diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile.am | 9 | ||||
| -rw-r--r-- | lib/bluetooth.c | 448 | ||||
| -rw-r--r-- | lib/hci.c | 2489 | ||||
| -rw-r--r-- | lib/sdp.c | 4421 |
4 files changed, 7367 insertions, 0 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am new file mode 100644 index 00000000..065bbe60 --- /dev/null +++ b/lib/Makefile.am @@ -0,0 +1,9 @@ + +lib_LTLIBRARIES = libbluetooth.la + +libbluetooth_la_SOURCES = bluetooth.c hci.c sdp.c +libbluetooth_la_LDFLAGS = -version-info 13:2:11 + +INCLUDES = -I$(top_builddir)/include + +MAINTAINERCLEANFILES = Makefile.in diff --git a/lib/bluetooth.c b/lib/bluetooth.c new file mode 100644 index 00000000..f7a46bcf --- /dev/null +++ b/lib/bluetooth.c @@ -0,0 +1,448 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2000-2001 Qualcomm Incorporated + * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> + * Copyright (C) 2002-2008 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <errno.h> +#include <ctype.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <sys/socket.h> + +#include <bluetooth/bluetooth.h> +#include <bluetooth/hci.h> + +void baswap(bdaddr_t *dst, const bdaddr_t *src) +{ + register unsigned char *d = (unsigned char *) dst; + register const unsigned char *s = (const unsigned char *) src; + register int i; + for (i = 0; i < 6; i++) + d[i] = s[5-i]; +} + +char *batostr(const bdaddr_t *ba) +{ + char *str = bt_malloc(18); + if (!str) + return NULL; + + sprintf(str, "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X", + ba->b[0], ba->b[1], ba->b[2], + ba->b[3], ba->b[4], ba->b[5]); + return str; +} + +bdaddr_t *strtoba(const char *str) +{ + const char *ptr = str; + int i; + + uint8_t *ba = bt_malloc(sizeof(bdaddr_t)); + if (!ba) + return NULL; + + for(i = 0; i < 6; i++) { + ba[i] = (uint8_t) strtol(ptr, NULL, 16); + if (i != 5 && !(ptr = strchr(ptr,':'))) + ptr = ":00:00:00:00:00"; + ptr++; + } + return (bdaddr_t *) ba; +} + +int ba2str(const bdaddr_t *ba, char *str) +{ + uint8_t b[6]; + + baswap((bdaddr_t *) b, ba); + return sprintf(str, "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X", + b[0], b[1], b[2], b[3], b[4], b[5]); +} + +int str2ba(const char *str, bdaddr_t *ba) +{ + uint8_t b[6]; + const char *ptr = str; + int i; + + for (i = 0; i < 6; i++) { + b[i] = (uint8_t) strtol(ptr, NULL, 16); + if (i != 5 && !(ptr = strchr(ptr, ':'))) + ptr = ":00:00:00:00:00"; + ptr++; + } + baswap(ba, (bdaddr_t *) b); + return 0; +} + +int ba2oui(const bdaddr_t *ba, char *str) +{ + uint8_t b[6]; + + baswap((bdaddr_t *) b, ba); + return sprintf(str, "%2.2X-%2.2X-%2.2X", b[0], b[1], b[2]); +} + +int bachk(const char *str) +{ + char tmp[18], *ptr = tmp; + + if (!str) + return -1; + + if (strlen(str) != 17) + return -1; + + memcpy(tmp, str, 18); + + while (*ptr) { + *ptr = toupper(*ptr); + if (*ptr < '0'|| (*ptr > '9' && *ptr < 'A') || *ptr > 'F') + return -1; + ptr++; + + *ptr = toupper(*ptr); + if (*ptr < '0'|| (*ptr > '9' && *ptr < 'A') || *ptr > 'F') + return -1; + ptr++; + + *ptr = toupper(*ptr); + if (*ptr == 0) + break; + if (*ptr != ':') + return -1; + ptr++; + } + + return 0; +} + +int baprintf(const char *format, ...) +{ + va_list ap; + int len; + + va_start(ap, format); + len = vprintf(format, ap); + va_end(ap); + + return len; +} + +int bafprintf(FILE *stream, const char *format, ...) +{ + va_list ap; + int len; + + va_start(ap, format); + len = vfprintf(stream, format, ap); + va_end(ap); + + return len; +} + +int basprintf(char *str, const char *format, ...) +{ + va_list ap; + int len; + + va_start(ap, format); + len = vsnprintf(str, (~0U) >> 1, format, ap); + va_end(ap); + + return len; +} + +int basnprintf(char *str, size_t size, const char *format, ...) +{ + va_list ap; + int len; + + va_start(ap, format); + len = vsnprintf(str, size, format, ap); + va_end(ap); + + return len; +} + +void *bt_malloc(size_t size) +{ + return malloc(size); +} + +void bt_free(void *ptr) +{ + free(ptr); +} + +/* Bluetooth error codes to Unix errno mapping */ +int bt_error(uint16_t code) +{ + switch (code) { + case 0: + return 0; + case HCI_UNKNOWN_COMMAND: + return EBADRQC; + case HCI_NO_CONNECTION: + return ENOTCONN; + case HCI_HARDWARE_FAILURE: + return EIO; + case HCI_PAGE_TIMEOUT: + return EHOSTDOWN; + case HCI_AUTHENTICATION_FAILURE: + return EACCES; + case HCI_PIN_OR_KEY_MISSING: + return EINVAL; + case HCI_MEMORY_FULL: + return ENOMEM; + case HCI_CONNECTION_TIMEOUT: + return ETIMEDOUT; + case HCI_MAX_NUMBER_OF_CONNECTIONS: + case HCI_MAX_NUMBER_OF_SCO_CONNECTIONS: + return EMLINK; + case HCI_ACL_CONNECTION_EXISTS: + return EALREADY; + case HCI_COMMAND_DISALLOWED: + case HCI_TRANSACTION_COLLISION: + case HCI_ROLE_SWITCH_PENDING: + return EBUSY; + case HCI_REJECTED_LIMITED_RESOURCES: + case HCI_REJECTED_PERSONAL: + case HCI_QOS_REJECTED: + return ECONNREFUSED; + case HCI_HOST_TIMEOUT: + return ETIMEDOUT; + case HCI_UNSUPPORTED_FEATURE: + case HCI_QOS_NOT_SUPPORTED: + case HCI_PAIRING_NOT_SUPPORTED: + case HCI_CLASSIFICATION_NOT_SUPPORTED: + case HCI_UNSUPPORTED_LMP_PARAMETER_VALUE: + case HCI_PARAMETER_OUT_OF_RANGE: + case HCI_QOS_UNACCEPTABLE_PARAMETER: + return EOPNOTSUPP; + case HCI_INVALID_PARAMETERS: + case HCI_SLOT_VIOLATION: + return EINVAL; + case HCI_OE_USER_ENDED_CONNECTION: + case HCI_OE_LOW_RESOURCES: + case HCI_OE_POWER_OFF: + return ECONNRESET; + case HCI_CONNECTION_TERMINATED: + return ECONNABORTED; + case HCI_REPEATED_ATTEMPTS: + return ELOOP; + case HCI_REJECTED_SECURITY: + case HCI_PAIRING_NOT_ALLOWED: + case HCI_INSUFFICIENT_SECURITY: + return EACCES; + case HCI_UNSUPPORTED_REMOTE_FEATURE: + return EPROTONOSUPPORT; + case HCI_SCO_OFFSET_REJECTED: + return ECONNREFUSED; + case HCI_UNKNOWN_LMP_PDU: + case HCI_INVALID_LMP_PARAMETERS: + case HCI_LMP_ERROR_TRANSACTION_COLLISION: + case HCI_LMP_PDU_NOT_ALLOWED: + case HCI_ENCRYPTION_MODE_NOT_ACCEPTED: + return EPROTO; + default: + return ENOSYS; + } +} + +char *bt_compidtostr(int compid) +{ + switch (compid) { + case 0: + return "Ericsson Technology Licensing"; + case 1: + return "Nokia Mobile Phones"; + case 2: + return "Intel Corp."; + case 3: + return "IBM Corp."; + case 4: + return "Toshiba Corp."; + case 5: + return "3Com"; + case 6: + return "Microsoft"; + case 7: + return "Lucent"; + case 8: + return "Motorola"; + case 9: + return "Infineon Technologies AG"; + case 10: + return "Cambridge Silicon Radio"; + case 11: + return "Silicon Wave"; + case 12: + return "Digianswer A/S"; + case 13: + return "Texas Instruments Inc."; + case 14: + return "Parthus Technologies Inc."; + case 15: + return "Broadcom Corporation"; + case 16: + return "Mitel Semiconductor"; + case 17: + return "Widcomm, Inc."; + case 18: + return "Zeevo, Inc."; + case 19: + return "Atmel Corporation"; + case 20: + return "Mitsubishi Electric Corporation"; + case 21: + return "RTX Telecom A/S"; + case 22: + return "KC Technology Inc."; + case 23: + return "Newlogic"; + case 24: + return "Transilica, Inc."; + case 25: + return "Rohde & Schwartz GmbH & Co. KG"; + case 26: + return "TTPCom Limited"; + case 27: + return "Signia Technologies, Inc."; + case 28: + return "Conexant Systems Inc."; + case 29: + return "Qualcomm"; + case 30: + return "Inventel"; + case 31: + return "AVM Berlin"; + case 32: + return "BandSpeed, Inc."; + case 33: + return "Mansella Ltd"; + case 34: + return "NEC Corporation"; + case 35: + return "WavePlus Technology Co., Ltd."; + case 36: + return "Alcatel"; + case 37: + return "Philips Semiconductors"; + case 38: + return "C Technologies"; + case 39: + return "Open Interface"; + case 40: + return "R F Micro Devices"; + case 41: + return "Hitachi Ltd"; + case 42: + return "Symbol Technologies, Inc."; + case 43: + return "Tenovis"; + case 44: + return "Macronix International Co. Ltd."; + case 45: + return "GCT Semiconductor"; + case 46: + return "Norwood Systems"; + case 47: + return "MewTel Technology Inc."; + case 48: + return "ST Microelectronics"; + case 49: + return "Synopsys"; + case 50: + return "Red-M (Communications) Ltd"; + case 51: + return "Commil Ltd"; + case 52: + return "Computer Access Technology Corporation (CATC)"; + case 53: + return "Eclipse (HQ Espana) S.L."; + case 54: + return "Renesas Technology Corp."; + case 55: + return "Mobilian Corporation"; + case 56: + return "Terax"; + case 57: + return "Integrated System Solution Corp."; + case 58: + return "Matsushita Electric Industrial Co., Ltd."; + case 59: + return "Gennum Corporation"; + case 60: + return "Research In Motion"; + case 61: + return "IPextreme, Inc."; + case 62: + return "Systems and Chips, Inc"; + case 63: + return "Bluetooth SIG, Inc"; + case 64: + return "Seiko Epson Corporation"; + case 65: + return "Integrated Silicon Solution Taiwain, Inc."; + case 66: + return "CONWISE Technology Corporation Ltd"; + case 67: + return "PARROT SA"; + case 68: + return "Socket Communications"; + case 69: + return "Atheros Communications, Inc."; + case 70: + return "MediaTek, Inc."; + case 71: + return "Bluegiga"; /* (tentative) */ + case 72: + return "Marvell Technology Group Ltd."; + case 73: + return "3DSP Corporation"; + case 74: + return "Accel Semiconductor Ltd."; + case 75: + return "Continental Automotive Systems"; + case 76: + return "Apple, Inc."; + case 77: + return "Staccato Communications, Inc."; + case 78: + return "Avago Technologies"; + case 79: + return "APT Ltd."; + case 65535: + return "internal use"; + default: + return "not assigned"; + } +} diff --git a/lib/hci.c b/lib/hci.c new file mode 100644 index 00000000..a72b0355 --- /dev/null +++ b/lib/hci.c @@ -0,0 +1,2489 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2000-2001 Qualcomm Incorporated + * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> + * Copyright (C) 2002-2008 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> + +#include <sys/param.h> +#include <sys/uio.h> +#include <sys/poll.h> +#include <sys/types.h> +#include <sys/ioctl.h> +#include <sys/socket.h> + +#include <bluetooth/bluetooth.h> +#include <bluetooth/hci.h> +#include <bluetooth/hci_lib.h> + +#ifndef MIN +#define MIN(x, y) ((x) < (y) ? (x) : (y)) +#endif + +typedef struct { + char *str; + unsigned int val; +} hci_map; + +static char *hci_bit2str(hci_map *m, unsigned int val) +{ + char *str = malloc(120); + char *ptr = str; + + if (!str) + return NULL; + + *ptr = 0; + while (m->str) { + if ((unsigned int) m->val & val) + ptr += sprintf(ptr, "%s ", m->str); + m++; + } + return str; +} + +static int hci_str2bit(hci_map *map, char *str, unsigned int *val) +{ + char *t, *ptr; + hci_map *m; + int set; + + if (!str || !(str = ptr = strdup(str))) + return 0; + + *val = set = 0; + + while ((t = strsep(&ptr, ","))) { + for (m = map; m->str; m++) { + if (!strcasecmp(m->str, t)) { + *val |= (unsigned int) m->val; + set = 1; + } + } + } + free(str); + + return set; +} + +static char *hci_uint2str(hci_map *m, unsigned int val) +{ + char *str = malloc(50); + char *ptr = str; + + if (!str) + return NULL; + + *ptr = 0; + while (m->str) { + if ((unsigned int) m->val == val) { + ptr += sprintf(ptr, "%s", m->str); + break; + } + m++; + } + return str; +} + +static int hci_str2uint(hci_map *map, char *str, unsigned int *val) +{ + char *t, *ptr; + hci_map *m; + int set = 0; + + if (!str) + return 0; + + str = ptr = strdup(str); + + while ((t = strsep(&ptr, ","))) { + for (m = map; m->str; m++) { + if (!strcasecmp(m->str,t)) { + *val = (unsigned int) m->val; set = 1; + break; + } + } + } + free(str); + + return set; +} + +char *hci_dtypetostr(int type) +{ + switch (type) { + case HCI_VIRTUAL: + return "VIRTUAL"; + case HCI_USB: + return "USB"; + case HCI_PCCARD: + return "PCCARD"; + case HCI_UART: + return "UART"; + case HCI_RS232: + return "RS232"; + case HCI_PCI: + return "PCI"; + case HCI_SDIO: + return "SDIO"; + default: + return "UNKNOWN"; + } +} + +/* HCI dev flags mapping */ +static hci_map dev_flags_map[] = { + { "UP", HCI_UP }, + { "INIT", HCI_INIT }, + { "RUNNING", HCI_RUNNING }, + { "RAW", HCI_RAW }, + { "PSCAN", HCI_PSCAN }, + { "ISCAN", HCI_ISCAN }, + { "INQUIRY", HCI_INQUIRY }, + { "AUTH", HCI_AUTH }, + { "ENCRYPT", HCI_ENCRYPT }, + { "SECMGR", HCI_SECMGR }, + { NULL } +}; + +char *hci_dflagstostr(uint32_t flags) +{ + char *str = bt_malloc(50); + char *ptr = str; + hci_map *m = dev_flags_map; + + if (!str) + return NULL; + + *ptr = 0; + + if (!hci_test_bit(HCI_UP, &flags)) + ptr += sprintf(ptr, "DOWN "); + + while (m->str) { + if (hci_test_bit(m->val, &flags)) + ptr += sprintf(ptr, "%s ", m->str); + m++; + } + return str; +} + +/* HCI packet type mapping */ +static hci_map pkt_type_map[] = { + { "DM1", HCI_DM1 }, + { "DM3", HCI_DM3 }, + { "DM5", HCI_DM5 }, + { "DH1", HCI_DH1 }, + { "DH3", HCI_DH3 }, + { "DH5", HCI_DH5 }, + { "HV1", HCI_HV1 }, + { "HV2", HCI_HV2 }, + { "HV3", HCI_HV3 }, + { "2-DH1", HCI_2DH1 }, + { "2-DH3", HCI_2DH3 }, + { "2-DH5", HCI_2DH5 }, + { "3-DH1", HCI_3DH1 }, + { "3-DH3", HCI_3DH3 }, + { "3-DH5", HCI_3DH5 }, + { NULL } +}; + +static hci_map sco_ptype_map[] = { + { "HV1", 0x0001 }, + { "HV2", 0x0002 }, + { "HV3", 0x0004 }, + { "EV3", HCI_EV3 }, + { "EV4", HCI_EV4 }, + { "EV5", HCI_EV5 }, + { "2-EV3", HCI_2EV3 }, + { "2-EV5", HCI_2EV5 }, + { "3-EV3", HCI_3EV3 }, + { "3-EV5", HCI_3EV5 }, + { NULL } +}; + +char *hci_ptypetostr(unsigned int ptype) +{ + return hci_bit2str(pkt_type_map, ptype); +} + +int hci_strtoptype(char *str, unsigned int *val) +{ + return hci_str2bit(pkt_type_map, str, val); +} + +char *hci_scoptypetostr(unsigned int ptype) +{ + return hci_bit2str(sco_ptype_map, ptype); +} + +int hci_strtoscoptype(char *str, unsigned int *val) +{ + return hci_str2bit(sco_ptype_map, str, val); +} + +/* Link policy mapping */ +static hci_map link_policy_map[] = { + { "NONE", 0 }, + { "RSWITCH", HCI_LP_RSWITCH }, + { "HOLD", HCI_LP_HOLD }, + { "SNIFF", HCI_LP_SNIFF }, + { "PARK", HCI_LP_PARK }, + { NULL } +}; + +char *hci_lptostr(unsigned int lp) +{ + return hci_bit2str(link_policy_map, lp); +} + +int hci_strtolp(char *str, unsigned int *val) +{ + return hci_str2bit(link_policy_map, str, val); +} + +/* Link mode mapping */ +static hci_map link_mode_map[] = { + { "NONE", 0 }, + { "ACCEPT", HCI_LM_ACCEPT }, + { "MASTER", HCI_LM_MASTER }, + { "AUTH", HCI_LM_AUTH }, + { "ENCRYPT", HCI_LM_ENCRYPT }, + { "TRUSTED", HCI_LM_TRUSTED }, + { "RELIABLE", HCI_LM_RELIABLE }, + { "SECURE", HCI_LM_SECURE }, + { NULL } +}; + +char *hci_lmtostr(unsigned int lm) +{ + char *s, *str = bt_malloc(50); + if (!str) + return NULL; + + *str = 0; + if (!(lm & HCI_LM_MASTER)) + strcpy(str, "SLAVE "); + + s = hci_bit2str(link_mode_map, lm); + if (!s) { + bt_free(str); + return NULL; + } + + strcat(str, s); + free(s); + return str; +} + +int hci_strtolm(char *str, unsigned int *val) +{ + return hci_str2bit(link_mode_map, str, val); +} + +/* Command mapping */ +static hci_map commands_map[] = { + { "Inquiry", 0 }, + { "Inquiry Cancel", 1 }, + { "Periodic Inquiry Mode", 2 }, + { "Exit Periodic Inquiry Mode", 3 }, + { "Create Connection", 4 }, + { "Disconnect", 5 }, + { "Add SCO Connection", 6 }, + { "Cancel Create Connection", 7 }, + + { "Accept Connection Request", 8 }, + { "Reject Connection Request", 9 }, + { "Link Key Request Reply", 10 }, + { "Link Key Request Negative Reply", 11 }, + { "PIN Code Request Reply", 12 }, + { "PIN Code Request Negative Reply", 13 }, + { "Change Connection Packet Type", 14 }, + { "Authentication Requested", 15 }, + + { "Set Connection Encryption", 16 }, + { "Change Connection Link Key", 17 }, + { "Master Link Key", 18 }, + { "Remote Name Request", 19 }, + { "Cancel Remote Name Request", 20 }, + { "Read Remote Supported Features", 21 }, + { "Read Remote Extended Features", 22 }, + { "Read Remote Version Information", 23 }, + + { "Read Clock Offset", 24 }, + { "Read LMP Handle", 25 }, + { "Reserved", 26 }, + { "Reserved", 27 }, + { "Reserved", 28 }, + { "Reserved", 29 }, + { "Reserved", 30 }, + { "Reserved", 31 }, + + { "Reserved", 32 }, + { "Hold Mode", 33 }, + { "Sniff Mode", 34 }, + { "Exit Sniff Mode", 35 }, + { "Park State", 36 }, + { "Exit Park State", 37 }, + { "QoS Setup", 38 }, + { "Role Discovery", 39 }, + + { "Switch Role", 40 }, + { "Read Link Policy Settings", 41 }, + { "Write Link Policy Settings", 42 }, + { "Read Default Link Policy Settings", 43 }, + { "Write Default Link Policy Settings", 44 }, + { "Flow Specification", 45 }, + { "Set Event Mask", 46 }, + { "Reset", 47 }, + + { "Set Event Filter", 48 }, + { "Flush", 49 }, + { "Read PIN Type", 50 }, + { "Write PIN Type", 51 }, + { "Create New Unit Key", 52 }, + { "Read Stored Link Key", 53 }, + { "Write Stored Link Key", 54 }, + { "Delete Stored Link Key", 55 }, + + { "Write Local Name", 56 }, + { "Read Local Name", 57 }, + { "Read Connection Accept Timeout", 58 }, + { "Write Connection Accept Timeout", 59 }, + { "Read Page Timeout", 60 }, + { "Write Page Timeout", 61 }, + { "Read Scan Enable", 62 }, + { "Write Scan Enable", 63 }, + + { "Read Page Scan Activity", 64 }, + { "Write Page Scan Activity", 65 }, + { "Read Inquiry Scan Activity", 66 }, + { "Write Inquiry Scan Activity", 67 }, + { "Read Authentication Enable", 68 }, + { "Write Authentication Enable", 69 }, + { "Read Encryption Mode", 70 }, + { "Write Encryption Mode", 71 }, + + { "Read Class Of Device", 72 }, + { "Write Class Of Device", 73 }, + { "Read Voice Setting", 74 }, + { "Write Voice Setting", 75 }, + { "Read Automatic Flush Timeout", 76 }, + { "Write Automatic Flush Timeout", 77 }, + { "Read Num Broadcast Retransmissions", 78 }, + { "Write Num Broadcast Retransmissions", 79 }, + + { "Read Hold Mode Activity", 80 }, + { "Write Hold Mode Activity", 81 }, + { "Read Transmit Power Level", 82 }, + { "Read Synchronous Flow Control Enable", 83 }, + { "Write Synchronous Flow Control Enable", 84 }, + { "Set Host Controller To Host Flow Control", 85 }, + { "Host Buffer Size", 86 }, + { "Host Number Of Completed Packets", 87 }, + + { "Read Link Supervision Timeout", 88 }, + { "Write Link Supervision Timeout", 89 }, + { "Read Number of Supported IAC", 90 }, + { "Read Current IAC LAP", 91 }, + { "Write Current IAC LAP", 92 }, + { "Read Page Scan Period Mode", 93 }, + { "Write Page Scan Period Mode", 94 }, + { "Read Page Scan Mode", 95 }, + + { "Write Page Scan Mode", 96 }, + { "Set AFH Channel Classification", 97 }, + { "Reserved", 98 }, + { "Reserved", 99 }, + { "Read Inquiry Scan Type", 100 }, + { "Write Inquiry Scan Type", 101 }, + { "Read Inquiry Mode", 102 }, + { "Write Inquiry Mode", 103 }, + + { "Read Page Scan Type", 104 }, + { "Write Page Scan Type", 105 }, + { "Read AFH Channel Assessment Mode", 106 }, + { "Write AFH Channel Assessment Mode", 107 }, + { "Reserved", 108 }, + { "Reserved", 109 }, + { "Reserved", 110 }, + { "Reserved", 111 }, + + { "Reserved", 112 }, + { "Reserved", 113 }, + { "Reserved", 114 }, + { "Read Local Version Information", 115 }, + { "Read Local Supported Commands", 116 }, + { "Read Local Supported Features", 117 }, + { "Read Local Extended Features", 118 }, + { "Read Buffer Size", 119 }, + + { "Read Country Code", 120 }, + { "Read BD ADDR", 121 }, + { "Read Failed Contact Counter", 122 }, + { "Reset Failed Contact Counter", 123 }, + { "Get Link Quality", 124 }, + { "Read RSSI", 125 }, + { "Read AFH Channel Map", 126 }, + { "Read BD Clock", 127 }, + + { "Read Loopback Mode", 128 }, + { "Write Loopback Mode", 129 }, + { "Enable Device Under Test Mode", 130 }, + { "Setup Synchronous Connection", 131 }, + { "Accept Synchronous Connection", 132 }, + { "Reject Synchronous Connection", 133 }, + { "Reserved", 134 }, + { "Reserved", 135 }, + + { "Read Extended Inquiry Response", 136 }, + { "Write Extended Inquiry Response", 137 }, + { "Refresh Encryption Key", 138 }, + { "Reserved", 139 }, + { "Sniff Subrating", 140 }, + { "Read Simple Pairing Mode", 141 }, + { "Write Simple Pairing Mode", 142 }, + { "Read Local OOB Data", 143 }, + + { "Read Inquiry Transmit Power Level", 144 }, + { "Write Inquiry Transmit Power Level", 145 }, + { "Read Default Erroneous Data Reporting", 146 }, + { "Write Default Erroneous Data Reporting", 147 }, + { "Reserved", 148 }, + { "Reserved", 149 }, + { "Reserved", 150 }, + { "IO Capability Request Reply", 151 }, + + { "User Confirmation Request Reply", 152 }, + { "User Confirmation Request Negative Reply", 153 }, + { "User Passkey Request Reply", 154 }, + { "User Passkey Request Negative Reply", 155 }, + { "Remote OOB Data Request Reply", 156 }, + { "Write Simple Pairing Debug Mode", 157 }, + { "Enhanced Flush", 158 }, + { "Remote OOB Data Request Negative Reply", 159 }, + + { "Reserved", 160 }, + { "Reserved", 161 }, + { "Send Keypress Notification", 162 }, + { "IO Capabilities Response Negative Reply", 163 }, + { "Reserved", 164 }, + { "Reserved", 165 }, + { "Reserved", 166 }, + { "Reserved", 167 }, + + { NULL } +}; + +char *hci_cmdtostr(unsigned int cmd) +{ + return hci_uint2str(commands_map, cmd); +} + +char *hci_commandstostr(uint8_t *commands, char *pref, int width) +{ + hci_map *m; + char *off, *ptr, *str; + int size = 10; + + m = commands_map; + + while (m->str) { + if (commands[m->val / 8] & (1 << (m->val % 8))) + size += strlen(m->str) + (pref ? strlen(pref) : 0) + 3; + m++; + } + + str = bt_malloc(size); + if (!str) + return NULL; + + ptr = str; *ptr = '\0'; + + if (pref) + ptr += sprintf(ptr, "%s", pref); + + off = ptr; + + m = commands_map; + + while (m->str) { + if (commands[m->val / 8] & (1 << (m->val % 8))) { + if (strlen(off) + strlen(m->str) > width - 3) { + ptr += sprintf(ptr, "\n%s", pref ? pref : ""); + off = ptr; + } + ptr += sprintf(ptr, "'%s' ", m->str); + } + m++; + } + + return str; +} + +/* Version mapping */ +static hci_map ver_map[] = { + { "1.0b", 0x00 }, + { "1.1", 0x01 }, + { "1.2", 0x02 }, + { "2.0", 0x03 }, + { "2.1", 0x04 }, + { NULL } +}; + +char *hci_vertostr(unsigned int ver) +{ + return hci_uint2str(ver_map, ver); +} + +int hci_strtover(char *str, unsigned int *ver) +{ + return hci_str2uint(ver_map, str, ver); +} + +char *lmp_vertostr(unsigned int ver) +{ + return hci_uint2str(ver_map, ver); +} + +int lmp_strtover(char *str, unsigned int *ver) +{ + return hci_str2uint(ver_map, str, ver); +} + +/* LMP features mapping */ +static hci_map lmp_features_map[8][9] = { + { /* Byte 0 */ + { "<3-slot packets>", LMP_3SLOT }, /* Bit 0 */ + { "<5-slot packets>", LMP_5SLOT }, /* Bit 1 */ + { "<encryption>", LMP_ENCRYPT }, /* Bit 2 */ + { "<slot offset>", LMP_SOFFSET }, /* Bit 3 */ + { "<timing accuracy>", LMP_TACCURACY }, /* Bit 4 */ + { "<role switch>", LMP_RSWITCH }, /* Bit 5 */ + { "<hold mode>", LMP_HOLD }, /* Bit 6 */ + { "<sniff mode>", LMP_SNIFF }, /* Bit 7 */ + { NULL } + }, + { /* Byte 1 */ + { "<park state>", LMP_PARK }, /* Bit 0 */ + { "<RSSI>", LMP_RSSI }, /* Bit 1 */ + { "<channel quality>", LMP_QUALITY }, /* Bit 2 */ + { "<SCO link>", LMP_SCO }, /* Bit 3 */ + { "<HV2 packets>", LMP_HV2 }, /* Bit 4 */ + { "<HV3 packets>", LMP_HV3 }, /* Bit 5 */ + { "<u-law log>", LMP_ULAW }, /* Bit 6 */ + { "<A-law log>", LMP_ALAW }, /* Bit 7 */ + { NULL } + }, + { /* Byte 2 */ + { "<CVSD>", LMP_CVSD }, /* Bit 0 */ + { "<paging scheme>", LMP_PSCHEME }, /* Bit 1 */ + { "<power control>", LMP_PCONTROL }, /* Bit 2 */ + { "<transparent SCO>", LMP_TRSP_SCO }, /* Bit 3 */ + { "<broadcast encrypt>",LMP_BCAST_ENC }, /* Bit 7 */ + { NULL } + }, + { /* Byte 3 */ + { "<no. 24>", 0x01 }, /* Bit 0 */ + { "<EDR ACL 2 Mbps>", LMP_EDR_ACL_2M }, /* Bit 1 */ + { "<EDR ACL 3 Mbps>", LMP_EDR_ACL_3M }, /* Bit 2 */ + { "<enhanced iscan>", LMP_ENH_ISCAN }, /* Bit 3 */ + { "<interlaced iscan>", LMP_ILACE_ISCAN }, /* Bit 4 */ + { "<interlaced pscan>", LMP_ILACE_PSCAN }, /* Bit 5 */ + { "<inquiry with RSSI>",LMP_RSSI_INQ }, /* Bit 6 */ + { "<extended SCO>", LMP_ESCO }, /* Bit 7 */ + { NULL } + }, + { /* Byte 4 */ + { "<EV4 packets>", LMP_EV4 }, /* Bit 0 */ + { "<EV5 packets>", LMP_EV5 }, /* Bit 1 */ + { "<no. 34>", 0x04 }, /* Bit 2 */ + { "<AFH cap. slave>", LMP_AFH_CAP_SLV }, /* Bit 3 */ + { "<AFH class. slave>", LMP_AFH_CLS_SLV }, /* Bit 4 */ + { "<no. 37>", 0x20 }, /* Bit 5 */ + { "<no. 38>", 0x40 }, /* Bit 6 */ + { "<3-slot EDR ACL>", LMP_EDR_3SLOT }, /* Bit 7 */ + { NULL } + }, + { /* Byte 5 */ + { "<5-slot EDR ACL>", LMP_EDR_5SLOT }, /* Bit 0 */ + { "<sniff subrating>", LMP_SNIFF_SUBR }, /* Bit 1 */ + { "<pause encryption>", LMP_PAUSE_ENC }, /* Bit 2 */ + { "<AFH cap. master>", LMP_AFH_CAP_MST }, /* Bit 3 */ + { "<AFH class. master>",LMP_AFH_CLS_MST }, /* Bit 4 */ + { "<EDR eSCO 2 Mbps>", LMP_EDR_ESCO_2M }, /* Bit 5 */ + { "<EDR eSCO 3 Mbps>", LMP_EDR_ESCO_3M }, /* Bit 6 */ + { "<3-slot EDR eSCO>", LMP_EDR_3S_ESCO }, /* Bit 7 */ + { NULL } + }, + { /* Byte 6 */ + { "<extended inquiry>", LMP_EXT_INQ }, /* Bit 0 */ + { "<no. 49>", 0x02 }, /* Bit 1 */ + { "<no. 50>", 0x04 }, /* Bit 2 */ + { "<simple pairing>", LMP_SIMPLE_PAIR }, /* Bit 3 */ + { "<encapsulated PDU>", LMP_ENCAPS_PDU }, /* Bit 4 */ + { "<err. data report>", LMP_ERR_DAT_REP }, /* Bit 5 */ + { "<non-flush flag>", LMP_NFLUSH_PKTS }, /* Bit 6 */ + { "<no. 55>", 0x80 }, /* Bit 7 */ + { NULL } + }, + { /* Byte 7 */ + { "<LSTO>", LMP_LSTO }, /* Bit 1 */ + { "<inquiry TX power>", LMP_INQ_TX_PWR }, /* Bit 1 */ + { "<no. 58>", 0x04 }, /* Bit 2 */ + { "<no. 59>", 0x08 }, /* Bit 3 */ + { "<no. 60>", 0x10 }, /* Bit 4 */ + { "<no. 61>", 0x20 }, /* Bit 5 */ + { "<no. 62>", 0x40 }, /* Bit 6 */ + { "<extended features>",LMP_EXT_FEAT }, /* Bit 7 */ + { NULL } + }, +}; + +char *lmp_featurestostr(uint8_t *features, char *pref, int width) +{ + char *off, *ptr, *str; + int i, size = 10; + + for (i = 0; i < 8; i++) { + hci_map *m = lmp_features_map[i]; + + while (m->str) { + if (m->val & features[i]) + size += strlen(m->str) + (pref ? strlen(pref) : 0) + 1; + m++; + } + } + + str = bt_malloc(size); + if (!str) + return NULL; + + ptr = str; *ptr = '\0'; + + if (pref) + ptr += sprintf(ptr, "%s", pref); + + off = ptr; + + for (i = 0; i < 8; i++) { + hci_map *m = lmp_features_map[i]; + + while (m->str) { + if (m->val & features[i]) { + if (strlen(off) + strlen(m->str) > width - 1) { + ptr += sprintf(ptr, "\n%s", pref ? pref : ""); + off = ptr; + } + ptr += sprintf(ptr, "%s ", m->str); + } + m++; + } + } + + return str; +} + +/* HCI functions that do not require open device */ + +int hci_for_each_dev(int flag, int (*func)(int dd, int dev_id, long arg), long arg) +{ + struct hci_dev_list_req *dl; + struct hci_dev_req *dr; + int dev_id = -1; + int i, sk, err = 0; + + sk = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); + if (sk < 0) + return -1; + + dl = malloc(HCI_MAX_DEV * sizeof(*dr) + sizeof(*dl)); + if (!dl) { + err = errno; + goto done; + } + + memset(dl, 0, HCI_MAX_DEV * sizeof(*dr) + sizeof(*dl)); + + dl->dev_num = HCI_MAX_DEV; + dr = dl->dev_req; + + if (ioctl(sk, HCIGETDEVLIST, (void *) dl) < 0) { + err = errno; + goto free; + } + + for (i = 0; i < dl->dev_num; i++, dr++) { + if (hci_test_bit(flag, &dr->dev_opt)) + if (!func || func(sk, dr->dev_id, arg)) { + dev_id = dr->dev_id; + break; + } + } + + if (dev_id < 0) + err = ENODEV; + +free: + free(dl); + +done: + close(sk); + errno = err; + + return dev_id; +} + +static int __other_bdaddr(int dd, int dev_id, long arg) +{ + struct hci_dev_info di = { dev_id: dev_id }; + + if (ioctl(dd, HCIGETDEVINFO, (void *) &di)) + return 0; + + if (hci_test_bit(HCI_RAW, &di.flags)) + return 0; + + return bacmp((bdaddr_t *) arg, &di.bdaddr); +} + +static int __same_bdaddr(int dd, int dev_id, long arg) +{ + struct hci_dev_info di = { dev_id: dev_id }; + + if (ioctl(dd, HCIGETDEVINFO, (void *) &di)) + return 0; + + return !bacmp((bdaddr_t *) arg, &di.bdaddr); +} + +int hci_get_route(bdaddr_t *bdaddr) +{ + return hci_for_each_dev(HCI_UP, __other_bdaddr, + (long) (bdaddr ? bdaddr : BDADDR_ANY)); +} + +int hci_devid(const char *str) +{ + bdaddr_t ba; + int id = -1; + + if (!strncmp(str, "hci", 3) && strlen(str) >= 4) { + id = atoi(str + 3); + if (hci_devba(id, &ba) < 0) + return -1; + } else { + errno = ENODEV; + str2ba(str, &ba); + id = hci_for_each_dev(HCI_UP, __same_bdaddr, (long) &ba); + } + + return id; +} + +int hci_devinfo(int dev_id, struct hci_dev_info *di) +{ + int dd, err, ret; + + dd = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); + if (dd < 0) + return dd; + + memset(di, 0, sizeof(struct hci_dev_info)); + + di->dev_id = dev_id; + ret = ioctl(dd, HCIGETDEVINFO, (void *) di); + + err = errno; + close(dd); + errno = err; + + return ret; +} + +int hci_devba(int dev_id, bdaddr_t *bdaddr) +{ + struct hci_dev_info di; + + memset(&di, 0, sizeof(di)); + + if (hci_devinfo(dev_id, &di)) + return -1; + + if (!hci_test_bit(HCI_UP, &di.flags)) { + errno = ENETDOWN; + return -1; + } + + bacpy(bdaddr, &di.bdaddr); + + return 0; +} + +int hci_inquiry(int dev_id, int len, int nrsp, const uint8_t *lap, inquiry_info **ii, long flags) +{ + struct hci_inquiry_req *ir; + uint8_t num_rsp = nrsp; + void *buf; + int dd, size, err, ret = -1; + + if (nrsp <= 0) { + num_rsp = 0; + nrsp = 255; + } + + if (dev_id < 0) { + dev_id = hci_get_route(NULL); + if (dev_id < 0) { + errno = ENODEV; + return -1; + } + } + + dd = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); + if (dd < 0) + return dd; + + buf = malloc(sizeof(*ir) + (sizeof(inquiry_info) * (nrsp))); + if (!buf) + goto done; + + ir = buf; + ir->dev_id = dev_id; + ir->num_rsp = num_rsp; + ir->length = len; + ir->flags = flags; + + if (lap) { + memcpy(ir->lap, lap, 3); + } else { + ir->lap[0] = 0x33; + ir->lap[1] = 0x8b; + ir->lap[2] = 0x9e; + } + + ret = ioctl(dd, HCIINQUIRY, (unsigned long) buf); + if (ret < 0) + goto free; + + size = sizeof(inquiry_info) * ir->num_rsp; + + if (!*ii) + *ii = malloc(size); + + if (*ii) { + memcpy((void *) *ii, buf + sizeof(*ir), size); + ret = ir->num_rsp; + } else + ret = -1; + +free: + free(buf); + +done: + err = errno; + close(dd); + errno = err; + + return ret; +} + +/* Open HCI device. + * Returns device descriptor (dd). */ +int hci_open_dev(int dev_id) +{ + struct sockaddr_hci a; + int dd, err; + + /* Create HCI socket */ + dd = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI); + if (dd < 0) + return dd; + + /* Bind socket to the HCI device */ + memset(&a, 0, sizeof(a)); + a.hci_family = AF_BLUETOOTH; + a.hci_dev = dev_id; + if (bind(dd, (struct sockaddr *) &a, sizeof(a)) < 0) + goto failed; + + return dd; + +failed: + err = errno; + close(dd); + errno = err; + + return -1; +} + +int hci_close_dev(int dd) +{ + return close(dd); +} + +/* HCI functions that require open device + * dd - Device descriptor returned by hci_open_dev. */ + +int hci_send_cmd(int dd, uint16_t ogf, uint16_t ocf, uint8_t plen, void *param) +{ + uint8_t type = HCI_COMMAND_PKT; + hci_command_hdr hc; + struct iovec iv[3]; + int ivn; + + hc.opcode = htobs(cmd_opcode_pack(ogf, ocf)); + hc.plen= plen; + + iv[0].iov_base = &type; + iv[0].iov_len = 1; + iv[1].iov_base = &hc; + iv[1].iov_len = HCI_COMMAND_HDR_SIZE; + ivn = 2; + + if (plen) { + iv[2].iov_base = param; + iv[2].iov_len = plen; + ivn = 3; + } + + while (writev(dd, iv, ivn) < 0) { + if (errno == EAGAIN || errno == EINTR) + continue; + return -1; + } + return 0; +} + +int hci_send_req(int dd, struct hci_request *r, int to) +{ + unsigned char buf[HCI_MAX_EVENT_SIZE], *ptr; + uint16_t opcode = htobs(cmd_opcode_pack(r->ogf, r->ocf)); + struct hci_filter nf, of; + socklen_t len; + hci_event_hdr *hdr; + int err, try; + + len = sizeof(of); + if (getsockopt(dd, SOL_HCI, HCI_FILTER, &of, &len) < 0) + return -1; + + hci_filter_clear(&nf); + hci_filter_set_ptype(HCI_EVENT_PKT, &nf); + hci_filter_set_event(EVT_CMD_STATUS, &nf); + hci_filter_set_event(EVT_CMD_COMPLETE, &nf); + hci_filter_set_event(r->event, &nf); + hci_filter_set_opcode(opcode, &nf); + if (setsockopt(dd, SOL_HCI, HCI_FILTER, &nf, sizeof(nf)) < 0) + return -1; + + if (hci_send_cmd(dd, r->ogf, r->ocf, r->clen, r->cparam) < 0) + goto failed; + + try = 10; + while (try--) { + evt_cmd_complete *cc; + evt_cmd_status *cs; + evt_remote_name_req_complete *rn; + remote_name_req_cp *cp; + + if (to) { + struct pollfd p; + int n; + + p.fd = dd; p.events = POLLIN; + while ((n = poll(&p, 1, to)) < 0) { + if (errno == EAGAIN || errno == EINTR) + continue; + goto failed; + } + + if (!n) { + errno = ETIMEDOUT; + goto failed; + } + + to -= 10; + if (to < 0) to = 0; + + } + + while ((len = read(dd, buf, sizeof(buf))) < 0) { + if (errno == EAGAIN || errno == EINTR) + continue; + goto failed; + } + + hdr = (void *) (buf + 1); + ptr = buf + (1 + HCI_EVENT_HDR_SIZE); + len -= (1 + HCI_EVENT_HDR_SIZE); + + switch (hdr->evt) { + case EVT_CMD_STATUS: + cs = (void *) ptr; + + if (cs->opcode != opcode) + continue; + + if (r->event != EVT_CMD_STATUS) { + if (cs->status) { + errno = EIO; + goto failed; + } + break; + } + + r->rlen = MIN(len, r->rlen); + memcpy(r->rparam, ptr, r->rlen); + goto done; + + case EVT_CMD_COMPLETE: + cc = (void *) ptr; + + if (cc->opcode != opcode) + continue; + + ptr += EVT_CMD_COMPLETE_SIZE; + len -= EVT_CMD_COMPLETE_SIZE; + + r->rlen = MIN(len, r->rlen); + memcpy(r->rparam, ptr, r->rlen); + goto done; + + case EVT_REMOTE_NAME_REQ_COMPLETE: + if (hdr->evt != r->event) + break; + + rn = (void *) ptr; + cp = r->cparam; + + if (bacmp(&rn->bdaddr, &cp->bdaddr)) + continue; + + r->rlen = MIN(len, r->rlen); + memcpy(r->rparam, ptr, r->rlen); + goto done; + + default: + if (hdr->evt != r->event) + break; + + r->rlen = MIN(len, r->rlen); + memcpy(r->rparam, ptr, r->rlen); + goto done; + } + } + errno = ETIMEDOUT; + +failed: + err = errno; + setsockopt(dd, SOL_HCI, HCI_FILTER, &of, sizeof(of)); + errno = err; + return -1; + +done: + setsockopt(dd, SOL_HCI, HCI_FILTER, &of, sizeof(of)); + return 0; +} + +int hci_create_connection(int dd, const bdaddr_t *bdaddr, uint16_t ptype, uint16_t clkoffset, uint8_t rswitch, uint16_t *handle, int to) +{ + evt_conn_complete rp; + create_conn_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + bacpy(&cp.bdaddr, bdaddr); + cp.pkt_type = ptype; + cp.pscan_rep_mode = 0x02; + cp.clock_offset = clkoffset; + cp.role_switch = rswitch; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_CREATE_CONN; + rq.event = EVT_CONN_COMPLETE; + rq.cparam = &cp; + rq.clen = CREATE_CONN_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_CONN_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *handle = rp.handle; + return 0; +} + +int hci_disconnect(int dd, uint16_t handle, uint8_t reason, int to) +{ + evt_disconn_complete rp; + disconnect_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + cp.reason = reason; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_DISCONNECT; + rq.event = EVT_DISCONN_COMPLETE; + rq.cparam = &cp; + rq.clen = DISCONNECT_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_DISCONN_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + return 0; +} + +int hci_read_local_name(int dd, int len, char *name, int to) +{ + read_local_name_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_LOCAL_NAME; + rq.rparam = &rp; + rq.rlen = READ_LOCAL_NAME_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + rp.name[247] = '\0'; + strncpy(name, (char *) rp.name, len); + return 0; +} + +int hci_write_local_name(int dd, const char *name, int to) +{ + change_local_name_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + strncpy((char *) cp.name, name, sizeof(cp.name)); + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_CHANGE_LOCAL_NAME; + rq.cparam = &cp; + rq.clen = CHANGE_LOCAL_NAME_CP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + return 0; +} + +int hci_read_remote_name_with_clock_offset(int dd, const bdaddr_t *bdaddr, uint8_t pscan_rep_mode, uint16_t clkoffset, int len, char *name, int to) +{ + evt_remote_name_req_complete rn; + remote_name_req_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + bacpy(&cp.bdaddr, bdaddr); + cp.pscan_rep_mode = pscan_rep_mode; + cp.clock_offset = clkoffset; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_REMOTE_NAME_REQ; + rq.cparam = &cp; + rq.clen = REMOTE_NAME_REQ_CP_SIZE; + rq.event = EVT_REMOTE_NAME_REQ_COMPLETE; + rq.rparam = &rn; + rq.rlen = EVT_REMOTE_NAME_REQ_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rn.status) { + errno = EIO; + return -1; + } + + rn.name[247] = '\0'; + strncpy(name, (char *) rn.name, len); + return 0; +} + +int hci_read_remote_name(int dd, const bdaddr_t *bdaddr, int len, char *name, int to) +{ + return hci_read_remote_name_with_clock_offset(dd, bdaddr, 0x02, 0x0000, len, name, to); +} + +int hci_read_remote_name_cancel(int dd, const bdaddr_t *bdaddr, int to) +{ + remote_name_req_cancel_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + bacpy(&cp.bdaddr, bdaddr); + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_REMOTE_NAME_REQ_CANCEL; + rq.cparam = &cp; + rq.clen = REMOTE_NAME_REQ_CANCEL_CP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + return 0; +} + +int hci_read_remote_version(int dd, uint16_t handle, struct hci_version *ver, int to) +{ + evt_read_remote_version_complete rp; + read_remote_version_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_READ_REMOTE_VERSION; + rq.event = EVT_READ_REMOTE_VERSION_COMPLETE; + rq.cparam = &cp; + rq.clen = READ_REMOTE_VERSION_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_READ_REMOTE_VERSION_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + ver->manufacturer = btohs(rp.manufacturer); + ver->lmp_ver = rp.lmp_ver; + ver->lmp_subver = btohs(rp.lmp_subver); + return 0; +} + +int hci_read_remote_features(int dd, uint16_t handle, uint8_t *features, int to) +{ + evt_read_remote_features_complete rp; + read_remote_features_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_READ_REMOTE_FEATURES; + rq.event = EVT_READ_REMOTE_FEATURES_COMPLETE; + rq.cparam = &cp; + rq.clen = READ_REMOTE_FEATURES_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_READ_REMOTE_FEATURES_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + memcpy(features, rp.features, 8); + return 0; +} + +int hci_read_remote_ext_features(int dd, uint16_t handle, uint8_t page, uint8_t *max_page, uint8_t *features, int to) +{ + evt_read_remote_ext_features_complete rp; + read_remote_ext_features_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + cp.page_num = page; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_READ_REMOTE_EXT_FEATURES; + rq.event = EVT_READ_REMOTE_EXT_FEATURES_COMPLETE; + rq.cparam = &cp; + rq.clen = READ_REMOTE_EXT_FEATURES_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_READ_REMOTE_EXT_FEATURES_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *max_page = rp.max_page_num; + memcpy(features, rp.features, 8); + return 0; +} + +int hci_read_clock_offset(int dd, uint16_t handle, uint16_t *clkoffset, int to) +{ + evt_read_clock_offset_complete rp; + read_clock_offset_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_READ_CLOCK_OFFSET; + rq.event = EVT_READ_CLOCK_OFFSET_COMPLETE; + rq.cparam = &cp; + rq.clen = READ_CLOCK_OFFSET_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_READ_CLOCK_OFFSET_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *clkoffset = rp.clock_offset; + return 0; +} + +int hci_read_local_version(int dd, struct hci_version *ver, int to) +{ + read_local_version_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_INFO_PARAM; + rq.ocf = OCF_READ_LOCAL_VERSION; + rq.rparam = &rp; + rq.rlen = READ_LOCAL_VERSION_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + ver->manufacturer = btohs(rp.manufacturer); + ver->hci_ver = rp.hci_ver; + ver->hci_rev = btohs(rp.hci_rev); + ver->lmp_ver = rp.lmp_ver; + ver->lmp_subver = btohs(rp.lmp_subver); + return 0; +} + +int hci_read_local_commands(int dd, uint8_t *commands, int to) +{ + read_local_commands_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_INFO_PARAM; + rq.ocf = OCF_READ_LOCAL_COMMANDS; + rq.rparam = &rp; + rq.rlen = READ_LOCAL_COMMANDS_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + memcpy(commands, rp.commands, 64); + return 0; +} + +int hci_read_local_features(int dd, uint8_t *features, int to) +{ + read_local_features_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_INFO_PARAM; + rq.ocf = OCF_READ_LOCAL_FEATURES; + rq.rparam = &rp; + rq.rlen = READ_LOCAL_FEATURES_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + memcpy(features, rp.features, 8); + return 0; +} + +int hci_read_local_ext_features(int dd, uint8_t page, uint8_t *max_page, uint8_t *features, int to) +{ + read_local_ext_features_cp cp; + read_local_ext_features_rp rp; + struct hci_request rq; + + cp.page_num = page; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_INFO_PARAM; + rq.ocf = OCF_READ_LOCAL_EXT_FEATURES; + rq.cparam = &cp; + rq.clen = READ_LOCAL_EXT_FEATURES_CP_SIZE; + rq.rparam = &rp; + rq.rlen = READ_LOCAL_EXT_FEATURES_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *max_page = rp.max_page_num; + memcpy(features, rp.features, 8); + return 0; +} + +int hci_read_bd_addr(int dd, bdaddr_t *bdaddr, int to) +{ + read_bd_addr_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_INFO_PARAM; + rq.ocf = OCF_READ_BD_ADDR; + rq.rparam = &rp; + rq.rlen = READ_BD_ADDR_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + bacpy(bdaddr, &rp.bdaddr); + return 0; +} + +int hci_read_class_of_dev(int dd, uint8_t *cls, int to) +{ + read_class_of_dev_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_CLASS_OF_DEV; + rq.rparam = &rp; + rq.rlen = READ_CLASS_OF_DEV_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + memcpy(cls, rp.dev_class, 3); + return 0; +} + +int hci_write_class_of_dev(int dd, uint32_t cls, int to) +{ + write_class_of_dev_cp cp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + cp.dev_class[0] = cls & 0xff; + cp.dev_class[1] = (cls >> 8) & 0xff; + cp.dev_class[2] = (cls >> 16) & 0xff; + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_CLASS_OF_DEV; + rq.cparam = &cp; + rq.clen = WRITE_CLASS_OF_DEV_CP_SIZE; + return hci_send_req(dd, &rq, to); +} + +int hci_read_voice_setting(int dd, uint16_t *vs, int to) +{ + read_voice_setting_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_VOICE_SETTING; + rq.rparam = &rp; + rq.rlen = READ_VOICE_SETTING_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *vs = rp.voice_setting; + return 0; +} + +int hci_write_voice_setting(int dd, uint16_t vs, int to) +{ + write_voice_setting_cp cp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + cp.voice_setting = vs; + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_VOICE_SETTING; + rq.cparam = &cp; + rq.clen = WRITE_VOICE_SETTING_CP_SIZE; + + return hci_send_req(dd, &rq, to); +} + +int hci_read_current_iac_lap(int dd, uint8_t *num_iac, uint8_t *lap, int to) +{ + read_current_iac_lap_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_CURRENT_IAC_LAP; + rq.rparam = &rp; + rq.rlen = READ_CURRENT_IAC_LAP_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *num_iac = rp.num_current_iac; + memcpy(lap, rp.lap, rp.num_current_iac * 3); + return 0; +} + +int hci_write_current_iac_lap(int dd, uint8_t num_iac, uint8_t *lap, int to) +{ + write_current_iac_lap_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.num_current_iac = num_iac; + memcpy(&cp.lap, lap, num_iac * 3); + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_CURRENT_IAC_LAP; + rq.cparam = &cp; + rq.clen = num_iac * 3 + 1; + + return hci_send_req(dd, &rq, to); +} + +int hci_read_stored_link_key(int dd, bdaddr_t *bdaddr, uint8_t all, int to) +{ + read_stored_link_key_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + bacpy(&cp.bdaddr, bdaddr); + cp.read_all = all; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_STORED_LINK_KEY; + rq.cparam = &cp; + rq.clen = READ_STORED_LINK_KEY_CP_SIZE; + + return hci_send_req(dd, &rq, to); +} + +int hci_write_stored_link_key(int dd, bdaddr_t *bdaddr, uint8_t *key, int to) +{ + unsigned char cp[WRITE_STORED_LINK_KEY_CP_SIZE + 6 + 16]; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp[0] = 1; + bacpy((bdaddr_t *) (cp + 1), bdaddr); + memcpy(cp + 7, key, 16); + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_STORED_LINK_KEY; + rq.cparam = &cp; + rq.clen = WRITE_STORED_LINK_KEY_CP_SIZE + 6 + 16; + + return hci_send_req(dd, &rq, to); +} + +int hci_delete_stored_link_key(int dd, bdaddr_t *bdaddr, uint8_t all, int to) +{ + delete_stored_link_key_cp cp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + bacpy(&cp.bdaddr, bdaddr); + cp.delete_all = all; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_DELETE_STORED_LINK_KEY; + rq.cparam = &cp; + rq.clen = DELETE_STORED_LINK_KEY_CP_SIZE; + + return hci_send_req(dd, &rq, to); +} + +int hci_authenticate_link(int dd, uint16_t handle, int to) +{ + auth_requested_cp cp; + evt_auth_complete rp; + struct hci_request rq; + + cp.handle = handle; + + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_AUTH_REQUESTED; + rq.event = EVT_AUTH_COMPLETE; + rq.cparam = &cp; + rq.clen = AUTH_REQUESTED_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_AUTH_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_encrypt_link(int dd, uint16_t handle, uint8_t encrypt, int to) +{ + set_conn_encrypt_cp cp; + evt_encrypt_change rp; + struct hci_request rq; + + cp.handle = handle; + cp.encrypt = encrypt; + + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_SET_CONN_ENCRYPT; + rq.event = EVT_ENCRYPT_CHANGE; + rq.cparam = &cp; + rq.clen = SET_CONN_ENCRYPT_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_ENCRYPT_CHANGE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_change_link_key(int dd, uint16_t handle, int to) +{ + change_conn_link_key_cp cp; + evt_change_conn_link_key_complete rp; + struct hci_request rq; + + cp.handle = handle; + + rq.ogf = OGF_LINK_CTL; + rq.ocf = OCF_CHANGE_CONN_LINK_KEY; + rq.event = EVT_CHANGE_CONN_LINK_KEY_COMPLETE; + rq.cparam = &cp; + rq.clen = CHANGE_CONN_LINK_KEY_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_CHANGE_CONN_LINK_KEY_COMPLETE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_switch_role(int dd, bdaddr_t *bdaddr, uint8_t role, int to) +{ + switch_role_cp cp; + evt_role_change rp; + struct hci_request rq; + + bacpy(&cp.bdaddr, bdaddr); + cp.role = role; + rq.ogf = OGF_LINK_POLICY; + rq.ocf = OCF_SWITCH_ROLE; + rq.cparam = &cp; + rq.clen = SWITCH_ROLE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_ROLE_CHANGE_SIZE; + rq.event = EVT_ROLE_CHANGE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_park_mode(int dd, uint16_t handle, uint16_t max_interval, uint16_t min_interval, int to) +{ + park_mode_cp cp; + evt_mode_change rp; + struct hci_request rq; + + memset(&cp, 0, sizeof (cp)); + cp.handle = handle; + cp.max_interval = max_interval; + cp.min_interval = min_interval; + + memset(&rq, 0, sizeof (rq)); + rq.ogf = OGF_LINK_POLICY; + rq.ocf = OCF_PARK_MODE; + rq.event = EVT_MODE_CHANGE; + rq.cparam = &cp; + rq.clen = PARK_MODE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_MODE_CHANGE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_exit_park_mode(int dd, uint16_t handle, int to) +{ + exit_park_mode_cp cp; + evt_mode_change rp; + struct hci_request rq; + + memset(&cp, 0, sizeof (cp)); + cp.handle = handle; + + memset (&rq, 0, sizeof (rq)); + rq.ogf = OGF_LINK_POLICY; + rq.ocf = OCF_EXIT_PARK_MODE; + rq.event = EVT_MODE_CHANGE; + rq.cparam = &cp; + rq.clen = EXIT_PARK_MODE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = EVT_MODE_CHANGE_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_inquiry_scan_type(int dd, uint8_t *type, int to) +{ + read_inquiry_scan_type_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_INQUIRY_SCAN_TYPE; + rq.rparam = &rp; + rq.rlen = READ_INQUIRY_SCAN_TYPE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *type = rp.type; + return 0; +} + +int hci_write_inquiry_scan_type(int dd, uint8_t type, int to) +{ + write_inquiry_scan_type_cp cp; + write_inquiry_scan_type_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.type = type; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_INQUIRY_SCAN_TYPE; + rq.cparam = &cp; + rq.clen = WRITE_INQUIRY_SCAN_TYPE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_INQUIRY_SCAN_TYPE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_inquiry_mode(int dd, uint8_t *mode, int to) +{ + read_inquiry_mode_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_INQUIRY_MODE; + rq.rparam = &rp; + rq.rlen = READ_INQUIRY_MODE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *mode = rp.mode; + return 0; +} + +int hci_write_inquiry_mode(int dd, uint8_t mode, int to) +{ + write_inquiry_mode_cp cp; + write_inquiry_mode_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.mode = mode; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_INQUIRY_MODE; + rq.cparam = &cp; + rq.clen = WRITE_INQUIRY_MODE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_INQUIRY_MODE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_afh_mode(int dd, uint8_t *mode, int to) +{ + read_afh_mode_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_AFH_MODE; + rq.rparam = &rp; + rq.rlen = READ_AFH_MODE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *mode = rp.mode; + return 0; +} + +int hci_write_afh_mode(int dd, uint8_t mode, int to) +{ + write_afh_mode_cp cp; + write_afh_mode_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.mode = mode; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_AFH_MODE; + rq.cparam = &cp; + rq.clen = WRITE_AFH_MODE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_AFH_MODE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_ext_inquiry_response(int dd, uint8_t *fec, uint8_t *data, int to) +{ + read_ext_inquiry_response_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_EXT_INQUIRY_RESPONSE; + rq.rparam = &rp; + rq.rlen = READ_EXT_INQUIRY_RESPONSE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *fec = rp.fec; + memcpy(data, rp.data, 240); + + return 0; +} + +int hci_write_ext_inquiry_response(int dd, uint8_t fec, uint8_t *data, int to) +{ + write_ext_inquiry_response_cp cp; + write_ext_inquiry_response_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.fec = fec; + memcpy(cp.data, data, 240); + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_EXT_INQUIRY_RESPONSE; + rq.cparam = &cp; + rq.clen = WRITE_EXT_INQUIRY_RESPONSE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_EXT_INQUIRY_RESPONSE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_simple_pairing_mode(int dd, uint8_t *mode, int to) +{ + read_simple_pairing_mode_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_SIMPLE_PAIRING_MODE; + rq.rparam = &rp; + rq.rlen = READ_SIMPLE_PAIRING_MODE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *mode = rp.mode; + return 0; +} + +int hci_write_simple_pairing_mode(int dd, uint8_t mode, int to) +{ + write_simple_pairing_mode_cp cp; + write_simple_pairing_mode_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.mode = mode; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_SIMPLE_PAIRING_MODE; + rq.cparam = &cp; + rq.clen = WRITE_SIMPLE_PAIRING_MODE_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_SIMPLE_PAIRING_MODE_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_local_oob_data(int dd, uint8_t *hash, uint8_t *randomizer, int to) +{ + read_local_oob_data_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_LOCAL_OOB_DATA; + rq.rparam = &rp; + rq.rlen = READ_LOCAL_OOB_DATA_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + memcpy(hash, rp.hash, 16); + memcpy(randomizer, rp.randomizer, 16); + return 0; +} + +int hci_read_inquiry_transmit_power_level(int dd, int8_t *level, int to) +{ + read_inquiry_transmit_power_level_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_INQUIRY_TRANSMIT_POWER_LEVEL; + rq.rparam = &rp; + rq.rlen = READ_INQUIRY_TRANSMIT_POWER_LEVEL_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *level = rp.level; + return 0; +} + +int hci_write_inquiry_transmit_power_level(int dd, int8_t level, int to) +{ + write_inquiry_transmit_power_level_cp cp; + write_inquiry_transmit_power_level_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.level = level; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_INQUIRY_TRANSMIT_POWER_LEVEL; + rq.cparam = &cp; + rq.clen = WRITE_INQUIRY_TRANSMIT_POWER_LEVEL_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_INQUIRY_TRANSMIT_POWER_LEVEL_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_transmit_power_level(int dd, uint16_t handle, uint8_t type, int8_t *level, int to) +{ + read_transmit_power_level_cp cp; + read_transmit_power_level_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + cp.type = type; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_TRANSMIT_POWER_LEVEL; + rq.cparam = &cp; + rq.clen = READ_TRANSMIT_POWER_LEVEL_CP_SIZE; + rq.rparam = &rp; + rq.rlen = READ_TRANSMIT_POWER_LEVEL_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *level = rp.level; + return 0; +} + +int hci_read_link_policy(int dd, uint16_t handle, uint16_t *policy, int to) +{ + read_link_policy_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_POLICY; + rq.ocf = OCF_READ_LINK_POLICY; + rq.cparam = &handle; + rq.clen = 2; + rq.rparam = &rp; + rq.rlen = READ_LINK_POLICY_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *policy = rp.policy; + return 0; +} + +int hci_write_link_policy(int dd, uint16_t handle, uint16_t policy, int to) +{ + write_link_policy_cp cp; + write_link_policy_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + cp.policy = policy; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_LINK_POLICY; + rq.ocf = OCF_WRITE_LINK_POLICY; + rq.cparam = &cp; + rq.clen = WRITE_LINK_POLICY_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_LINK_POLICY_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_link_supervision_timeout(int dd, uint16_t handle, uint16_t *timeout, int to) +{ + read_link_supervision_timeout_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_READ_LINK_SUPERVISION_TIMEOUT; + rq.cparam = &handle; + rq.clen = 2; + rq.rparam = &rp; + rq.rlen = READ_LINK_SUPERVISION_TIMEOUT_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *timeout = rp.timeout; + return 0; +} + +int hci_write_link_supervision_timeout(int dd, uint16_t handle, uint16_t timeout, int to) +{ + write_link_supervision_timeout_cp cp; + write_link_supervision_timeout_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + cp.timeout = timeout; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_WRITE_LINK_SUPERVISION_TIMEOUT; + rq.cparam = &cp; + rq.clen = WRITE_LINK_SUPERVISION_TIMEOUT_CP_SIZE; + rq.rparam = &rp; + rq.rlen = WRITE_LINK_SUPERVISION_TIMEOUT_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_set_afh_classification(int dd, uint8_t *map, int to) +{ + set_afh_classification_cp cp; + set_afh_classification_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + memcpy(cp.map, map, 10); + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_HOST_CTL; + rq.ocf = OCF_SET_AFH_CLASSIFICATION; + rq.cparam = &cp; + rq.clen = SET_AFH_CLASSIFICATION_CP_SIZE; + rq.rparam = &rp; + rq.rlen = SET_AFH_CLASSIFICATION_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + return 0; +} + +int hci_read_link_quality(int dd, uint16_t handle, uint8_t *link_quality, int to) +{ + read_link_quality_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_STATUS_PARAM; + rq.ocf = OCF_READ_LINK_QUALITY; + rq.cparam = &handle; + rq.clen = 2; + rq.rparam = &rp; + rq.rlen = READ_LINK_QUALITY_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *link_quality = rp.link_quality; + return 0; +} + +int hci_read_rssi(int dd, uint16_t handle, int8_t *rssi, int to) +{ + read_rssi_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_STATUS_PARAM; + rq.ocf = OCF_READ_RSSI; + rq.cparam = &handle; + rq.clen = 2; + rq.rparam = &rp; + rq.rlen = READ_RSSI_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *rssi = rp.rssi; + return 0; +} + +int hci_read_afh_map(int dd, uint16_t handle, uint8_t *mode, uint8_t *map, int to) +{ + read_afh_map_rp rp; + struct hci_request rq; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_STATUS_PARAM; + rq.ocf = OCF_READ_AFH_MAP; + rq.cparam = &handle; + rq.clen = 2; + rq.rparam = &rp; + rq.rlen = READ_AFH_MAP_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *mode = rp.mode; + memcpy(map, rp.map, 10); + return 0; +} + +int hci_read_clock(int dd, uint16_t handle, uint8_t which, uint32_t *clock, uint16_t *accuracy, int to) +{ + read_clock_cp cp; + read_clock_rp rp; + struct hci_request rq; + + memset(&cp, 0, sizeof(cp)); + cp.handle = handle; + cp.which_clock = which; + + memset(&rq, 0, sizeof(rq)); + rq.ogf = OGF_STATUS_PARAM; + rq.ocf = OCF_READ_CLOCK; + rq.cparam = &cp; + rq.clen = READ_CLOCK_CP_SIZE; + rq.rparam = &rp; + rq.rlen = READ_CLOCK_RP_SIZE; + + if (hci_send_req(dd, &rq, to) < 0) + return -1; + + if (rp.status) { + errno = EIO; + return -1; + } + + *clock = rp.clock; + *accuracy = rp.accuracy; + return 0; +} + +int hci_local_name(int dd, int len, char *name, int to) +{ + return hci_read_local_name(dd, len, name, to); +} + +int hci_remote_name(int dd, const bdaddr_t *bdaddr, int len, char *name, int to) +{ + return hci_read_remote_name(dd, bdaddr, len, name, to); +} diff --git a/lib/sdp.c b/lib/sdp.c new file mode 100644 index 00000000..3149c0f1 --- /dev/null +++ b/lib/sdp.c @@ -0,0 +1,4421 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2001-2002 Nokia Corporation + * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> + * Copyright (C) 2002-2008 Marcel Holtmann <marcel@holtmann.org> + * Copyright (C) 2002-2003 Stephen Crane <steve.crane@rococosoft.com> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <errno.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> +#include <limits.h> +#include <string.h> +#include <syslog.h> +#include <sys/time.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/un.h> + +#include <bluetooth/bluetooth.h> +#include <bluetooth/hci.h> +#include <bluetooth/hci_lib.h> +#include <bluetooth/l2cap.h> +#include <bluetooth/sdp.h> +#include <bluetooth/sdp_lib.h> + +#include <netinet/in.h> + +#define SDPINF(fmt, arg...) syslog(LOG_INFO, fmt "\n", ## arg) +#define SDPERR(fmt, arg...) syslog(LOG_ERR, "%s: " fmt "\n", __func__ , ## arg) + +#ifdef SDP_DEBUG +#define SDPDBG(fmt, arg...) syslog(LOG_DEBUG, "%s: " fmt "\n", __func__ , ## arg) +#else +#define SDPDBG(fmt...) +#endif + +#if __BYTE_ORDER == __BIG_ENDIAN +#define ntoh64(x) (x) +static inline void ntoh128(uint128_t *src, uint128_t *dst) +{ + int i; + for (i = 0; i < 16; i++) + dst->data[i] = src->data[i]; +} +#else +static inline uint64_t ntoh64(uint64_t n) +{ + uint64_t h; + uint64_t tmp = ntohl(n & 0x00000000ffffffff); + h = ntohl(n >> 32); + h |= tmp << 32; + return h; +} +static inline void ntoh128(uint128_t *src, uint128_t *dst) +{ + int i; + for (i = 0; i < 16; i++) + dst->data[15 - i] = src->data[i]; +} +#endif + +#define hton64(x) ntoh64(x) +#define hton128(x, y) ntoh128(x, y) + +#define BASE_UUID "00000000-0000-1000-8000-00805F9B34FB" + +static uint128_t bluetooth_base_uuid = { + .data = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, + 0x80, 0x00, 0x00, 0x80, 0x5F, 0x9B, 0x34, 0xFB } +}; + +#define SDP_MAX_ATTR_LEN 65535 + +/* Message structure. */ +struct tupla { + int index; + char *str; +}; + +static struct tupla Protocol[] = { + { SDP_UUID, "SDP" }, + { UDP_UUID, "UDP" }, + { RFCOMM_UUID, "RFCOMM" }, + { TCP_UUID, "TCP" }, + { TCS_BIN_UUID, "TCS-BIN" }, + { TCS_AT_UUID, "TCS-AT" }, + { OBEX_UUID, "OBEX" }, + { IP_UUID, "IP" }, + { FTP_UUID, "FTP" }, + { HTTP_UUID, "HTTP" }, + { WSP_UUID, "WSP" }, + { BNEP_UUID, "BNEP" }, + { UPNP_UUID, "UPNP" }, + { HIDP_UUID, "HIDP" }, + { HCRP_CTRL_UUID, "HCRP-Ctrl" }, + { HCRP_DATA_UUID, "HCRP-Data" }, + { HCRP_NOTE_UUID, "HCRP-Notify" }, + { AVCTP_UUID, "AVCTP" }, + { AVDTP_UUID, "AVDTP" }, + { CMTP_UUID, "CMTP" }, + { UDI_UUID, "UDI" }, + { MCAP_CTRL_UUID, "MCAP-Ctrl" }, + { MCAP_DATA_UUID, "MCAP-Data" }, + { L2CAP_UUID, "L2CAP" }, + { 0 } +}; + +static struct tupla ServiceClass[] = { + { SDP_SERVER_SVCLASS_ID, "SDP Server" }, + { BROWSE_GRP_DESC_SVCLASS_ID, "Browse Group Descriptor" }, + { PUBLIC_BROWSE_GROUP, "Public Browse Group" }, + { SERIAL_PORT_SVCLASS_ID, "Serial Port" }, + { LAN_ACCESS_SVCLASS_ID, "LAN Access Using PPP" }, + { DIALUP_NET_SVCLASS_ID, "Dialup Networking" }, + { IRMC_SYNC_SVCLASS_ID, "IrMC Sync" }, + { OBEX_OBJPUSH_SVCLASS_ID, "OBEX Object Push" }, + { OBEX_FILETRANS_SVCLASS_ID, "OBEX File Transfer" }, + { IRMC_SYNC_CMD_SVCLASS_ID, "IrMC Sync Command" }, + { HEADSET_SVCLASS_ID, "Headset" }, + { CORDLESS_TELEPHONY_SVCLASS_ID, "Cordless Telephony" }, + { AUDIO_SOURCE_SVCLASS_ID, "Audio Source" }, + { AUDIO_SINK_SVCLASS_ID, "Audio Sink" }, + { AV_REMOTE_TARGET_SVCLASS_ID, "AV Remote Target" }, + { ADVANCED_AUDIO_SVCLASS_ID, "Advanced Audio" }, + { AV_REMOTE_SVCLASS_ID, "AV Remote" }, + { VIDEO_CONF_SVCLASS_ID, "Video Conferencing" }, + { INTERCOM_SVCLASS_ID, "Intercom" }, + { FAX_SVCLASS_ID, "Fax" }, + { HEADSET_AGW_SVCLASS_ID, "Headset Audio Gateway" }, + { WAP_SVCLASS_ID, "WAP" }, + { WAP_CLIENT_SVCLASS_ID, "WAP Client" }, + { PANU_SVCLASS_ID, "PAN User" }, + { NAP_SVCLASS_ID, "Network Access Point" }, + { GN_SVCLASS_ID, "PAN Group Network" }, + { DIRECT_PRINTING_SVCLASS_ID, "Direct Printing" }, + { REFERENCE_PRINTING_SVCLASS_ID, "Reference Printing" }, + { IMAGING_SVCLASS_ID, "Imaging" }, + { IMAGING_RESPONDER_SVCLASS_ID, "Imaging Responder" }, + { IMAGING_ARCHIVE_SVCLASS_ID, "Imaging Automatic Archive" }, + { IMAGING_REFOBJS_SVCLASS_ID, "Imaging Referenced Objects" }, + { HANDSFREE_SVCLASS_ID, "Handsfree" }, + { HANDSFREE_AGW_SVCLASS_ID, "Handsfree Audio Gateway" }, + { DIRECT_PRT_REFOBJS_SVCLASS_ID, "Direct Printing Ref. Objects" }, + { REFLECTED_UI_SVCLASS_ID, "Reflected UI" }, + { BASIC_PRINTING_SVCLASS_ID, "Basic Printing" }, + { PRINTING_STATUS_SVCLASS_ID, "Printing Status" }, + { HID_SVCLASS_ID, "Human Interface Device" }, + { HCR_SVCLASS_ID, "Hardcopy Cable Replacement" }, + { HCR_PRINT_SVCLASS_ID, "HCR Print" }, + { HCR_SCAN_SVCLASS_ID, "HCR Scan" }, + { CIP_SVCLASS_ID, "Common ISDN Access" }, + { VIDEO_CONF_GW_SVCLASS_ID, "Video Conferencing Gateway" }, + { UDI_MT_SVCLASS_ID, "UDI MT" }, + { UDI_TA_SVCLASS_ID, "UDI TA" }, + { AV_SVCLASS_ID, "Audio/Video" }, + { SAP_SVCLASS_ID, "SIM Access" }, + { PBAP_PCE_SVCLASS_ID, "Phonebook Access - PCE" }, + { PBAP_PSE_SVCLASS_ID, "Phonebook Access - PSE" }, + { PBAP_SVCLASS_ID, "Phonebook Access" }, + { PNP_INFO_SVCLASS_ID, "PnP Information" }, + { GENERIC_NETWORKING_SVCLASS_ID, "Generic Networking" }, + { GENERIC_FILETRANS_SVCLASS_ID, "Generic File Transfer" }, + { GENERIC_AUDIO_SVCLASS_ID, "Generic Audio" }, + { GENERIC_TELEPHONY_SVCLASS_ID, "Generic Telephony" }, + { UPNP_SVCLASS_ID, "UPnP" }, + { UPNP_IP_SVCLASS_ID, "UPnP IP" }, + { UPNP_PAN_SVCLASS_ID, "UPnP PAN" }, + { UPNP_LAP_SVCLASS_ID, "UPnP LAP" }, + { UPNP_L2CAP_SVCLASS_ID, "UPnP L2CAP" }, + { VIDEO_SOURCE_SVCLASS_ID, "Video Source" }, + { VIDEO_SINK_SVCLASS_ID, "Video Sink" }, + { VIDEO_DISTRIBUTION_SVCLASS_ID, "Video Distribution" }, + { MDP_SVCLASS_ID, "MDP" }, + { MDP_SOURCE_SVCLASS_ID, "MDP Source" }, + { MDP_SINK_SVCLASS_ID, "MDP Sink" }, + { APPLE_AGENT_SVCLASS_ID, "Apple Agent" }, + { 0 } +}; + +#define Profile ServiceClass + +static char *string_lookup(struct tupla *pt0, int index) +{ + struct tupla *pt; + + for (pt = pt0; pt->index; pt++) + if (pt->index == index) + return pt->str; + + return ""; +} + +static char *string_lookup_uuid(struct tupla *pt0, const uuid_t* uuid) +{ + uuid_t tmp_uuid; + + memcpy(&tmp_uuid, uuid, sizeof(tmp_uuid)); + + if (sdp_uuid128_to_uuid(&tmp_uuid)) { + switch (tmp_uuid.type) { + case SDP_UUID16: + return string_lookup(pt0, tmp_uuid.value.uuid16); + case SDP_UUID32: + return string_lookup(pt0, tmp_uuid.value.uuid32); + } + } + + return ""; +} + +/* + * Prints into a string the Protocol UUID + * coping a maximum of n characters. + */ +static int uuid2str(struct tupla *message, const uuid_t *uuid, char *str, size_t n) +{ + char *str2; + + if (!uuid) { + snprintf(str, n, "NULL"); + return -2; + } + + switch (uuid->type) { + case SDP_UUID16: + str2 = string_lookup(message, uuid->value.uuid16); + snprintf(str, n, str2); + break; + case SDP_UUID32: + str2 = string_lookup(message, uuid->value.uuid32); + snprintf(str, n, str2); + break; + case SDP_UUID128: + str2 = string_lookup_uuid(message, uuid); + snprintf(str, n, str2); + break; + default: + snprintf(str, n, "Type of UUID (%x) unknown.", uuid->type); + return -1; + } + + return 0; +} + +int sdp_proto_uuid2strn(const uuid_t *uuid, char *str, size_t n) +{ + return uuid2str(Protocol, uuid, str, n); +} + +int sdp_svclass_uuid2strn(const uuid_t *uuid, char *str, size_t n) +{ + return uuid2str(ServiceClass, uuid, str, n); +} + +int sdp_profile_uuid2strn(const uuid_t *uuid, char *str, size_t n) +{ + return uuid2str(Profile, uuid, str, n); +} + +/* + * convert the UUID to string, copying a maximum of n characters. + */ +int sdp_uuid2strn(const uuid_t *uuid, char *str, size_t n) +{ + if (!uuid) { + snprintf(str, n, "NULL"); + return -2; + } + switch (uuid->type) { + case SDP_UUID16: + snprintf(str, n, "%.4x", uuid->value.uuid16); + break; + case SDP_UUID32: + snprintf(str, n, "%.8x", uuid->value.uuid32); + break; + case SDP_UUID128:{ + unsigned int data0; + unsigned short data1; + unsigned short data2; + unsigned short data3; + unsigned int data4; + unsigned short data5; + + memcpy(&data0, &uuid->value.uuid128.data[0], 4); + memcpy(&data1, &uuid->value.uuid128.data[4], 2); + memcpy(&data2, &uuid->value.uuid128.data[6], 2); + memcpy(&data3, &uuid->value.uuid128.data[8], 2); + memcpy(&data4, &uuid->value.uuid128.data[10], 4); + memcpy(&data5, &uuid->value.uuid128.data[14], 2); + + snprintf(str, n, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x", + ntohl(data0), ntohs(data1), + ntohs(data2), ntohs(data3), + ntohl(data4), ntohs(data5)); + } + break; + default: + snprintf(str, n, "Type of UUID (%x) unknown.", uuid->type); + return -1; // Enum type of UUID not set + } + return 0; +} + +#ifdef SDP_DEBUG +/* + * Function prints the UUID in hex as per defined syntax - + * + * 4bytes-2bytes-2bytes-2bytes-6bytes + * + * There is some ugly code, including hardcoding, but + * that is just the way it is converting 16 and 32 bit + * UUIDs to 128 bit as defined in the SDP doc + */ +void sdp_uuid_print(const uuid_t *uuid) +{ + if (uuid == NULL) { + SDPERR("Null passed to print UUID\n"); + return; + } + if (uuid->type == SDP_UUID16) { + SDPDBG(" uint16_t : 0x%.4x\n", uuid->value.uuid16); + } else if (uuid->type == SDP_UUID32) { + SDPDBG(" uint32_t : 0x%.8x\n", uuid->value.uuid32); + } else if (uuid->type == SDP_UUID128) { + unsigned int data0; + unsigned short data1; + unsigned short data2; + unsigned short data3; + unsigned int data4; + unsigned short data5; + + memcpy(&data0, &uuid->value.uuid128.data[0], 4); + memcpy(&data1, &uuid->value.uuid128.data[4], 2); + memcpy(&data2, &uuid->value.uuid128.data[6], 2); + memcpy(&data3, &uuid->value.uuid128.data[8], 2); + memcpy(&data4, &uuid->value.uuid128.data[10], 4); + memcpy(&data5, &uuid->value.uuid128.data[14], 2); + + SDPDBG(" uint128_t : 0x%.8x-", ntohl(data0)); + SDPDBG("%.4x-", ntohs(data1)); + SDPDBG("%.4x-", ntohs(data2)); + SDPDBG("%.4x-", ntohs(data3)); + SDPDBG("%.8x", ntohl(data4)); + SDPDBG("%.4x\n", ntohs(data5)); + } else + SDPERR("Enum type of UUID not set\n"); +} +#endif + +sdp_data_t *sdp_data_alloc_with_length(uint8_t dtd, const void *value, uint32_t length) +{ + sdp_data_t *seq; + sdp_data_t *d = malloc(sizeof(sdp_data_t)); + + if (!d) + return NULL; + + memset(d, 0, sizeof(sdp_data_t)); + d->dtd = dtd; + d->unitSize = sizeof(uint8_t); + + switch (dtd) { + case SDP_DATA_NIL: + break; + case SDP_UINT8: + d->val.uint8 = *(uint8_t *) value; + d->unitSize += sizeof(uint8_t); + break; + case SDP_INT8: + case SDP_BOOL: + d->val.int8 = *(int8_t *) value; + d->unitSize += sizeof(int8_t); + break; + case SDP_UINT16: + d->val.uint16 = bt_get_unaligned((uint16_t *) value); + d->unitSize += sizeof(uint16_t); + break; + case SDP_INT16: + d->val.int16 = bt_get_unaligned((int16_t *) value); + d->unitSize += sizeof(int16_t); + break; + case SDP_UINT32: + d->val.uint32 = bt_get_unaligned((uint32_t *) value); + d->unitSize += sizeof(uint32_t); + break; + case SDP_INT32: + d->val.int32 = bt_get_unaligned((int32_t *) value); + d->unitSize += sizeof(int32_t); + break; + case SDP_INT64: + d->val.int64 = bt_get_unaligned((int64_t *) value); + d->unitSize += sizeof(int64_t); + break; + case SDP_UINT64: + d->val.uint64 = bt_get_unaligned((uint64_t *) value); + d->unitSize += sizeof(uint64_t); + break; + case SDP_UINT128: + memcpy(&d->val.uint128.data, value, sizeof(uint128_t)); + d->unitSize += sizeof(uint128_t); + break; + case SDP_INT128: + memcpy(&d->val.int128.data, value, sizeof(uint128_t)); + d->unitSize += sizeof(uint128_t); + break; + case SDP_UUID16: + sdp_uuid16_create(&d->val.uuid, bt_get_unaligned((uint16_t *) value)); + d->unitSize += sizeof(uint16_t); + break; + case SDP_UUID32: + sdp_uuid32_create(&d->val.uuid, bt_get_unaligned((uint32_t *) value)); + d->unitSize += sizeof(uint32_t); + break; + case SDP_UUID128: + sdp_uuid128_create(&d->val.uuid, value); + d->unitSize += sizeof(uint128_t); + break; + case SDP_URL_STR8: + case SDP_URL_STR16: + case SDP_TEXT_STR8: + case SDP_TEXT_STR16: + if (!value) { + free(d); + return NULL; + } + + d->unitSize += length; + if (length <= USHRT_MAX) { + d->val.str = malloc(length); + if (!d->val.str) { + free(d); + return NULL; + } + + memcpy(d->val.str, value, length); + } else { + SDPERR("Strings of size > USHRT_MAX not supported\n"); + free(d); + d = NULL; + } + break; + case SDP_URL_STR32: + case SDP_TEXT_STR32: + SDPERR("Strings of size > USHRT_MAX not supported\n"); + break; + case SDP_ALT8: + case SDP_ALT16: + case SDP_ALT32: + case SDP_SEQ8: + case SDP_SEQ16: + case SDP_SEQ32: + if (dtd == SDP_ALT8 || dtd == SDP_SEQ8) + d->unitSize += sizeof(uint8_t); + else if (dtd == SDP_ALT16 || dtd == SDP_SEQ16) + d->unitSize += sizeof(uint16_t); + else if (dtd == SDP_ALT32 || dtd == SDP_SEQ32) + d->unitSize += sizeof(uint32_t); + seq = (sdp_data_t *)value; + d->val.dataseq = seq; + for (; seq; seq = seq->next) + d->unitSize += seq->unitSize; + break; + default: + free(d); + d = NULL; + } + + return d; +} + +sdp_data_t *sdp_data_alloc(uint8_t dtd, const void *value) +{ + uint32_t length; + + switch (dtd) { + case SDP_URL_STR8: + case SDP_URL_STR16: + case SDP_TEXT_STR8: + case SDP_TEXT_STR16: + if (!value) + return NULL; + + length = strlen((char *) value); + break; + default: + length = 0; + break; + } + + return sdp_data_alloc_with_length(dtd, value, length); +} + +sdp_data_t *sdp_seq_append(sdp_data_t *seq, sdp_data_t *d) +{ + if (seq) { + sdp_data_t *p; + for (p = seq; p->next; p = p->next); + p->next = d; + } else + seq = d; + d->next = NULL; + return seq; +} + +sdp_data_t *sdp_seq_alloc_with_length(void **dtds, void **values, int *length, int len) +{ + sdp_data_t *curr = NULL, *seq = NULL; + int i; + + for (i = 0; i < len; i++) { + sdp_data_t *data; + int8_t dtd = *(uint8_t *) dtds[i]; + + if (dtd >= SDP_SEQ8 && dtd <= SDP_ALT32) + data = (sdp_data_t *) values[i]; + else + data = sdp_data_alloc_with_length(dtd, values[i], length[i]); + + if (!data) + return NULL; + + if (curr) + curr->next = data; + else + seq = data; + + curr = data; + } + + return sdp_data_alloc_with_length(SDP_SEQ8, seq, length[i]); +} + +sdp_data_t *sdp_seq_alloc(void **dtds, void **values, int len) +{ + sdp_data_t *curr = NULL, *seq = NULL; + int i; + + for (i = 0; i < len; i++) { + sdp_data_t *data; + uint8_t dtd = *(uint8_t *) dtds[i]; + + if (dtd >= SDP_SEQ8 && dtd <= SDP_ALT32) + data = (sdp_data_t *) values[i]; + else + data = sdp_data_alloc(dtd, values[i]); + + if (!data) + return NULL; + + if (curr) + curr->next = data; + else + seq = data; + + curr = data; + } + + return sdp_data_alloc(SDP_SEQ8, seq); +} + +static void extract_svclass_uuid(sdp_data_t *data, uuid_t *uuid) +{ + sdp_data_t *d; + + if (!data || data->dtd < SDP_SEQ8 || data->dtd > SDP_SEQ32) + return; + + d = data->val.dataseq; + if (!d) + return; + + if (d->dtd < SDP_UUID16 || d->dtd > SDP_UUID128) + return; + + *uuid = d->val.uuid; +} + +int sdp_attr_add(sdp_record_t *rec, uint16_t attr, sdp_data_t *d) +{ + sdp_data_t *p = sdp_data_get(rec, attr); + + if (p) + return -1; + + d->attrId = attr; + rec->attrlist = sdp_list_insert_sorted(rec->attrlist, d, sdp_attrid_comp_func); + + if (attr == SDP_ATTR_SVCLASS_ID_LIST) + extract_svclass_uuid(d, &rec->svclass); + + return 0; +} + +void sdp_attr_remove(sdp_record_t *rec, uint16_t attr) +{ + sdp_data_t *d = sdp_data_get(rec, attr); + + if (d) + rec->attrlist = sdp_list_remove(rec->attrlist, d); + + if (attr == SDP_ATTR_SVCLASS_ID_LIST) + memset(&rec->svclass, 0, sizeof(rec->svclass)); +} + +void sdp_set_seq_len(uint8_t *ptr, uint32_t length) +{ + uint8_t dtd = *(uint8_t *) ptr++; + + switch (dtd) { + case SDP_SEQ8: + case SDP_ALT8: + case SDP_TEXT_STR8: + case SDP_URL_STR8: + *(uint8_t *)ptr = (uint8_t) length; + break; + case SDP_SEQ16: + case SDP_ALT16: + case SDP_TEXT_STR16: + case SDP_URL_STR16: + bt_put_unaligned(htons(length), (uint16_t *) ptr); + break; + case SDP_SEQ32: + case SDP_ALT32: + case SDP_TEXT_STR32: + case SDP_URL_STR32: + bt_put_unaligned(htonl(length), (uint32_t *) ptr); + break; + } +} + +int sdp_set_data_type(sdp_buf_t *buf, uint8_t dtd) +{ + int orig = buf->data_size; + uint8_t *p = buf->data + buf->data_size; + + *p++ = dtd; + buf->data_size += sizeof(uint8_t); + + switch (dtd) { + case SDP_SEQ8: + case SDP_TEXT_STR8: + case SDP_URL_STR8: + case SDP_ALT8: + buf->data_size += sizeof(uint8_t); + break; + case SDP_SEQ16: + case SDP_TEXT_STR16: + case SDP_URL_STR16: + case SDP_ALT16: + buf->data_size += sizeof(uint16_t); + break; + case SDP_SEQ32: + case SDP_TEXT_STR32: + case SDP_URL_STR32: + case SDP_ALT32: + buf->data_size += sizeof(uint32_t); + break; + } + + return buf->data_size - orig; +} + +void sdp_set_attrid(sdp_buf_t *buf, uint16_t attr) +{ + uint8_t *p = buf->data; + + // data type for attr + *p++ = SDP_UINT16; + buf->data_size = sizeof(uint8_t); + bt_put_unaligned(htons(attr), (uint16_t *) p); + p += sizeof(uint16_t); + buf->data_size += sizeof(uint16_t); +} + +static int get_data_size(sdp_buf_t *buf, sdp_data_t *sdpdata) +{ + sdp_data_t *d; + int n = 0; + + for (d = sdpdata->val.dataseq; d; d = d->next) + n += sdp_gen_pdu(buf, d); + + return n; +} + +int sdp_gen_pdu(sdp_buf_t *buf, sdp_data_t *d) +{ + uint32_t pdu_size = 0, data_size = 0; + unsigned char *src = NULL, is_seq = 0, is_alt = 0; + uint8_t dtd = d->dtd; + uint16_t u16; + uint32_t u32; + uint64_t u64; + uint128_t u128; + uint8_t *seqp = buf->data + buf->data_size; + + pdu_size = sdp_set_data_type(buf, dtd); + + switch (dtd) { + case SDP_DATA_NIL: + break; + case SDP_UINT8: + src = &d->val.uint8; + data_size = sizeof(uint8_t); + break; + case SDP_UINT16: + u16 = htons(d->val.uint16); + src = (unsigned char *) &u16; + data_size = sizeof(uint16_t); + break; + case SDP_UINT32: + u32 = htonl(d->val.uint32); + src = (unsigned char *) &u32; + data_size = sizeof(uint32_t); + break; + case SDP_UINT64: + u64 = hton64(d->val.uint64); + src = (unsigned char *) &u64; + data_size = sizeof(uint64_t); + break; + case SDP_UINT128: + hton128(&d->val.uint128, &u128); + src = (unsigned char *) &u128; + data_size = sizeof(uint128_t); + break; + case SDP_INT8: + case SDP_BOOL: + src = (unsigned char *) &d->val.int8; + data_size = sizeof(int8_t); + break; + case SDP_INT16: + u16 = htons(d->val.int16); + src = (unsigned char *) &u16; + data_size = sizeof(int16_t); + break; + case SDP_INT32: + u32 = htonl(d->val.int32); + src = (unsigned char *) &u32; + data_size = sizeof(int32_t); + break; + case SDP_INT64: + u64 = hton64(d->val.int64); + src = (unsigned char *) &u64; + data_size = sizeof(int64_t); + break; + case SDP_INT128: + hton128(&d->val.int128, &u128); + src = (unsigned char *) &u128; + data_size = sizeof(uint128_t); + break; + case SDP_TEXT_STR8: + case SDP_TEXT_STR16: + case SDP_TEXT_STR32: + case SDP_URL_STR8: + case SDP_URL_STR16: + case SDP_URL_STR32: + src = (unsigned char *) d->val.str; + data_size = d->unitSize - sizeof(uint8_t); + sdp_set_seq_len(seqp, data_size); + break; + case SDP_SEQ8: + case SDP_SEQ16: + case SDP_SEQ32: + is_seq = 1; + data_size = get_data_size(buf, d); + sdp_set_seq_len(seqp, data_size); + break; + case SDP_ALT8: + case SDP_ALT16: + case SDP_ALT32: + is_alt = 1; + data_size = get_data_size(buf, d); + sdp_set_seq_len(seqp, data_size); + break; + case SDP_UUID16: + u16 = htons(d->val.uuid.value.uuid16); + src = (unsigned char *) &u16; + data_size = sizeof(uint16_t); + break; + case SDP_UUID32: + u32 = htonl(d->val.uuid.value.uuid32); + src = (unsigned char *) &u32; + data_size = sizeof(uint32_t); + break; + case SDP_UUID128: + src = (unsigned char *) &d->val.uuid.value.uuid128; + data_size = sizeof(uint128_t); + break; + default: + break; + } + + if (!is_seq && !is_alt) { + if (src && buf) { + memcpy(buf->data + buf->data_size, src, data_size); + buf->data_size += data_size; + } else if (dtd != SDP_DATA_NIL) + SDPDBG("Gen PDU : Cant copy from NULL source or dest\n"); + } + + pdu_size += data_size; + + return pdu_size; +} + +static void sdp_attr_pdu(void *value, void *udata) +{ + sdp_append_to_pdu((sdp_buf_t *)udata, (sdp_data_t *)value); +} + +int sdp_gen_record_pdu(const sdp_record_t *rec, sdp_buf_t *buf) +{ + buf->data = malloc(SDP_PDU_CHUNK_SIZE); + if (!buf->data) + return -ENOMEM; + + buf->buf_size = SDP_PDU_CHUNK_SIZE; + buf->data_size = 0; + memset(buf->data, 0, buf->buf_size); + sdp_list_foreach(rec->attrlist, sdp_attr_pdu, buf); + + return 0; +} + +void sdp_attr_replace(sdp_record_t *rec, uint16_t attr, sdp_data_t *d) +{ + sdp_data_t *p = sdp_data_get(rec, attr); + + if (p) { + rec->attrlist = sdp_list_remove(rec->attrlist, p); + sdp_data_free(p); + } + + d->attrId = attr; + rec->attrlist = sdp_list_insert_sorted(rec->attrlist, d, sdp_attrid_comp_func); + + if (attr == SDP_ATTR_SVCLASS_ID_LIST) + extract_svclass_uuid(d, &rec->svclass); +} + +int sdp_attrid_comp_func(const void *key1, const void *key2) +{ + const sdp_data_t *d1 = (const sdp_data_t *)key1; + const sdp_data_t *d2 = (const sdp_data_t *)key2; + + if (d1 && d2) + return d1->attrId - d2->attrId; + return 0; +} + +static void data_seq_free(sdp_data_t *seq) +{ + sdp_data_t *d = seq->val.dataseq; + + while (d) { + sdp_data_t *next = d->next; + sdp_data_free(d); + d = next; + } +} + +void sdp_data_free(sdp_data_t *d) +{ + switch (d->dtd) { + case SDP_SEQ8: + case SDP_SEQ16: + case SDP_SEQ32: + data_seq_free(d); + break; + case SDP_URL_STR8: + case SDP_URL_STR16: + case SDP_URL_STR32: + case SDP_TEXT_STR8: + case SDP_TEXT_STR16: + case SDP_TEXT_STR32: + free(d->val.str); + break; + } + free(d); +} + +int sdp_uuid_extract_safe(const uint8_t *p, int bufsize, uuid_t *uuid, int *scanned) +{ + uint8_t type; + + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + return -1; + } + + type = *(const uint8_t *) p; + + if (!SDP_IS_UUID(type)) { + SDPERR("Unknown data type : %d expecting a svc UUID\n", type); + return -1; + } + p += sizeof(uint8_t); + *scanned += sizeof(uint8_t); + bufsize -= sizeof(uint8_t); + if (type == SDP_UUID16) { + if (bufsize < sizeof(uint16_t)) { + SDPERR("Not enough room for 16-bit UUID"); + return -1; + } + sdp_uuid16_create(uuid, ntohs(bt_get_unaligned((uint16_t *) p))); + *scanned += sizeof(uint16_t); + p += sizeof(uint16_t); + } else if (type == SDP_UUID32) { + if (bufsize < sizeof(uint32_t)) { + SDPERR("Not enough room for 32-bit UUID"); + return -1; + } + sdp_uuid32_create(uuid, ntohl(bt_get_unaligned((uint32_t *) p))); + *scanned += sizeof(uint32_t); + p += sizeof(uint32_t); + } else { + if (bufsize < sizeof(uint128_t)) { + SDPERR("Not enough room for 128-bit UUID"); + return -1; + } + sdp_uuid128_create(uuid, p); + *scanned += sizeof(uint128_t); + p += sizeof(uint128_t); + } + return 0; +} + +int sdp_uuid_extract(const uint8_t *p, uuid_t *uuid, int *scanned) +{ + /* Assume p points to a buffer of size at least SDP_MAX_ATTR_LEN, + because we don't have any better information */ + return sdp_uuid_extract_safe(p, SDP_MAX_ATTR_LEN, uuid, scanned); +} + +static sdp_data_t *extract_int(const void *p, int bufsize, int *len) +{ + sdp_data_t *d; + + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + return NULL; + } + + d = malloc(sizeof(sdp_data_t)); + + SDPDBG("Extracting integer\n"); + memset(d, 0, sizeof(sdp_data_t)); + d->dtd = *(uint8_t *) p; + p += sizeof(uint8_t); + *len += sizeof(uint8_t); + bufsize -= sizeof(uint8_t); + + switch (d->dtd) { + case SDP_DATA_NIL: + break; + case SDP_BOOL: + case SDP_INT8: + case SDP_UINT8: + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + free(d); + return NULL; + } + *len += sizeof(uint8_t); + d->val.uint8 = *(uint8_t *) p; + break; + case SDP_INT16: + case SDP_UINT16: + if (bufsize < sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + free(d); + return NULL; + } + *len += sizeof(uint16_t); + d->val.uint16 = ntohs(bt_get_unaligned((uint16_t *) p)); + break; + case SDP_INT32: + case SDP_UINT32: + if (bufsize < sizeof(uint32_t)) { + SDPERR("Unexpected end of packet"); + free(d); + return NULL; + } + *len += sizeof(uint32_t); + d->val.uint32 = ntohl(bt_get_unaligned((uint32_t *) p)); + break; + case SDP_INT64: + case SDP_UINT64: + if (bufsize < sizeof(uint64_t)) { + SDPERR("Unexpected end of packet"); + free(d); + return NULL; + } + *len += sizeof(uint64_t); + d->val.uint64 = ntoh64(bt_get_unaligned((uint64_t *) p)); + break; + case SDP_INT128: + case SDP_UINT128: + if (bufsize < sizeof(uint128_t)) { + SDPERR("Unexpected end of packet"); + free(d); + return NULL; + } + *len += sizeof(uint128_t); + ntoh128((uint128_t *) p, &d->val.uint128); + break; + default: + free(d); + d = NULL; + } + return d; +} + +static sdp_data_t *extract_uuid(const uint8_t *p, int bufsize, int *len, sdp_record_t *rec) +{ + sdp_data_t *d = malloc(sizeof(sdp_data_t)); + + SDPDBG("Extracting UUID"); + memset(d, 0, sizeof(sdp_data_t)); + if (sdp_uuid_extract_safe(p, bufsize, &d->val.uuid, len) < 0) { + free(d); + return NULL; + } + d->dtd = *(uint8_t *) p; + if (rec) + sdp_pattern_add_uuid(rec, &d->val.uuid); + return d; +} + +/* + * Extract strings from the PDU (could be service description and similar info) + */ +static sdp_data_t *extract_str(const void *p, int bufsize, int *len) +{ + char *s; + int n; + sdp_data_t *d; + + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + return NULL; + } + + d = malloc(sizeof(sdp_data_t)); + + memset(d, 0, sizeof(sdp_data_t)); + d->dtd = *(uint8_t *) p; + p += sizeof(uint8_t); + *len += sizeof(uint8_t); + bufsize -= sizeof(uint8_t); + + switch (d->dtd) { + case SDP_TEXT_STR8: + case SDP_URL_STR8: + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + free(d); + return NULL; + } + n = *(uint8_t *) p; + p += sizeof(uint8_t); + *len += sizeof(uint8_t); + bufsize -= sizeof(uint8_t); + break; + case SDP_TEXT_STR16: + case SDP_URL_STR16: + if (bufsize < sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + free(d); + return NULL; + } + n = ntohs(bt_get_unaligned((uint16_t *) p)); + p += sizeof(uint16_t); + *len += sizeof(uint16_t) + n; + bufsize -= sizeof(uint16_t); + break; + default: + SDPERR("Sizeof text string > UINT16_MAX\n"); + free(d); + return 0; + } + + if (bufsize < n) { + SDPERR("String too long to fit in packet"); + free(d); + return NULL; + } + + s = malloc(n + 1); + if (!s) { + SDPERR("Not enough memory for incoming string"); + free(d); + return NULL; + } + memset(s, 0, n + 1); + memcpy(s, p, n); + + *len += n; + + SDPDBG("Len : %d\n", n); + SDPDBG("Str : %s\n", s); + + d->val.str = s; + d->unitSize = n + sizeof(uint8_t); + return d; +} + +/* + * Extract the sequence type and its length, and return offset into buf + * or 0 on failure. + */ +int sdp_extract_seqtype_safe(const uint8_t *buf, int bufsize, uint8_t *dtdp, int *size) +{ + uint8_t dtd; + int scanned = sizeof(uint8_t); + + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + return 0; + } + + dtd = *(uint8_t *) buf; + buf += sizeof(uint8_t); + bufsize -= sizeof(uint8_t); + *dtdp = dtd; + switch (dtd) { + case SDP_SEQ8: + case SDP_ALT8: + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + return 0; + } + *size = *(uint8_t *) buf; + scanned += sizeof(uint8_t); + break; + case SDP_SEQ16: + case SDP_ALT16: + if (bufsize < sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + return 0; + } + *size = ntohs(bt_get_unaligned((uint16_t *) buf)); + scanned += sizeof(uint16_t); + break; + case SDP_SEQ32: + case SDP_ALT32: + if (bufsize < sizeof(uint32_t)) { + SDPERR("Unexpected end of packet"); + return 0; + } + *size = ntohl(bt_get_unaligned((uint32_t *) buf)); + scanned += sizeof(uint32_t); + break; + default: + SDPERR("Unknown sequence type, aborting\n"); + return 0; + } + return scanned; +} + +int sdp_extract_seqtype(const uint8_t *buf, uint8_t *dtdp, int *size) +{ + /* Assume buf points to a buffer of size at least SDP_MAX_ATTR_LEN, + because we don't have any better information */ + return sdp_extract_seqtype_safe(buf, SDP_MAX_ATTR_LEN, dtdp, size); +} + +static sdp_data_t *extract_seq(const void *p, int bufsize, int *len, sdp_record_t *rec) +{ + int seqlen, n = 0; + sdp_data_t *curr, *prev; + sdp_data_t *d = malloc(sizeof(sdp_data_t)); + + SDPDBG("Extracting SEQ"); + memset(d, 0, sizeof(sdp_data_t)); + *len = sdp_extract_seqtype_safe(p, bufsize, &d->dtd, &seqlen); + SDPDBG("Sequence Type : 0x%x length : 0x%x\n", d->dtd, seqlen); + + if (*len == 0) + return d; + + if (*len > bufsize) { + SDPERR("Packet not big enough to hold sequence."); + free(d); + return NULL; + } + + p += *len; + bufsize -= *len; + curr = prev = NULL; + while (n < seqlen) { + int attrlen = 0; + curr = sdp_extract_attr_safe(p, bufsize, &attrlen, rec); + if (curr == NULL) + break; + + if (prev) + prev->next = curr; + else + d->val.dataseq = curr; + prev = curr; + p += attrlen; + n += attrlen; + bufsize -= attrlen; + + SDPDBG("Extracted: %d SequenceLength: %d", n, seqlen); + } + + *len += n; + return d; +} + +sdp_data_t *sdp_extract_attr_safe(const uint8_t *p, int bufsize, int *size, sdp_record_t *rec) +{ + sdp_data_t *elem; + int n = 0; + uint8_t dtd; + + if (bufsize < sizeof(uint8_t)) { + SDPERR("Unexpected end of packet"); + return NULL; + } + + dtd = *(const uint8_t *)p; + + SDPDBG("extract_attr: dtd=0x%x", dtd); + switch (dtd) { + case SDP_DATA_NIL: + case SDP_BOOL: + case SDP_UINT8: + case SDP_UINT16: + case SDP_UINT32: + case SDP_UINT64: + case SDP_UINT128: + case SDP_INT8: + case SDP_INT16: + case SDP_INT32: + case SDP_INT64: + case SDP_INT128: + elem = extract_int(p, bufsize, &n); + break; + case SDP_UUID16: + case SDP_UUID32: + case SDP_UUID128: + elem = extract_uuid(p, bufsize, &n, rec); + break; + case SDP_TEXT_STR8: + case SDP_TEXT_STR16: + case SDP_TEXT_STR32: + case SDP_URL_STR8: + case SDP_URL_STR16: + case SDP_URL_STR32: + elem = extract_str(p, bufsize, &n); + break; + case SDP_SEQ8: + case SDP_SEQ16: + case SDP_SEQ32: + case SDP_ALT8: + case SDP_ALT16: + case SDP_ALT32: + elem = extract_seq(p, bufsize, &n, rec); + break; + default: + SDPERR("Unknown data descriptor : 0x%x terminating\n", dtd); + return NULL; + } + *size += n; + return elem; +} + +sdp_data_t *sdp_extract_attr(const uint8_t *p, int *size, sdp_record_t *rec) +{ + /* Assume p points to a buffer of size at least SDP_MAX_ATTR_LEN, + because we don't have any better information */ + return sdp_extract_attr_safe(p, SDP_MAX_ATTR_LEN, size, rec); +} + +#ifdef SDP_DEBUG +static void attr_print_func(void *value, void *userData) +{ + sdp_data_t *d = (sdp_data_t *)value; + + SDPDBG("=====================================\n"); + SDPDBG("ATTRIBUTE IDENTIFIER : 0x%x\n", d->attrId); + SDPDBG("ATTRIBUTE VALUE PTR : 0x%x\n", (uint32_t)value); + if (d) + sdp_data_print(d); + else + SDPDBG("NULL value\n"); + SDPDBG("=====================================\n"); +} + +void sdp_print_service_attr(sdp_list_t *svcAttrList) +{ + SDPDBG("Printing service attr list %p\n", svcAttrList); + sdp_list_foreach(svcAttrList, attr_print_func, NULL); + SDPDBG("Printed service attr list %p\n", svcAttrList); +} +#endif + +sdp_record_t *sdp_extract_pdu_safe(const uint8_t *buf, int bufsize, int *scanned) +{ + int extracted = 0, seqlen = 0; + uint8_t dtd; + uint16_t attr; + sdp_record_t *rec = sdp_record_alloc(); + const uint8_t *p = buf; + + *scanned = sdp_extract_seqtype_safe(buf, bufsize, &dtd, &seqlen); + p += *scanned; + bufsize -= *scanned; + rec->attrlist = NULL; + + while (extracted < seqlen && bufsize > 0) { + int n = sizeof(uint8_t), attrlen = 0; + sdp_data_t *data = NULL; + + SDPDBG("Extract PDU, sequenceLength: %d localExtractedLength: %d", + seqlen, extracted); + + if (bufsize < n + sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + break; + } + + dtd = *(uint8_t *) p; + attr = ntohs(bt_get_unaligned((uint16_t *) (p + n))); + n += sizeof(uint16_t); + + SDPDBG("DTD of attrId : %d Attr id : 0x%x \n", dtd, attr); + + data = sdp_extract_attr_safe(p + n, bufsize - n, &attrlen, rec); + + SDPDBG("Attr id : 0x%x attrValueLength : %d\n", attr, attrlen); + + n += attrlen; + if (data == NULL) { + SDPDBG("Terminating extraction of attributes"); + break; + } + + if (attr == SDP_ATTR_RECORD_HANDLE) + rec->handle = data->val.uint32; + + if (attr == SDP_ATTR_SVCLASS_ID_LIST) + extract_svclass_uuid(data, &rec->svclass); + + extracted += n; + p += n; + bufsize -= n; + sdp_attr_replace(rec, attr, data); + + SDPDBG("Extract PDU, seqLength: %d localExtractedLength: %d", + seqlen, extracted); + } +#ifdef SDP_DEBUG + SDPDBG("Successful extracting of Svc Rec attributes\n"); + sdp_print_service_attr(rec->attrlist); +#endif + *scanned += seqlen; + return rec; +} + +sdp_record_t *sdp_extract_pdu(const uint8_t *buf, int *scanned) +{ + /* Assume buf points to a buffer of size at least SDP_MAX_ATTR_LEN, + because we don't have any better information */ + return sdp_extract_pdu_safe(buf, SDP_MAX_ATTR_LEN, scanned); +} + +#ifdef SDP_DEBUG +static void print_dataseq(sdp_data_t *p) +{ + sdp_data_t *d; + + for (d = p; d; d = d->next) + sdp_data_print(d); +} +#endif + +void sdp_record_print(const sdp_record_t *rec) +{ + sdp_data_t *d = sdp_data_get(rec, SDP_ATTR_SVCNAME_PRIMARY); + if (d) + printf("Service Name: %.*s\n", d->unitSize, d->val.str); + d = sdp_data_get(rec, SDP_ATTR_SVCDESC_PRIMARY); + if (d) + printf("Service Description: %.*s\n", d->unitSize, d->val.str); + d = sdp_data_get(rec, SDP_ATTR_PROVNAME_PRIMARY); + if (d) + printf("Service Provider: %.*s\n", d->unitSize, d->val.str); +} + +#ifdef SDP_DEBUG +void sdp_data_print(sdp_data_t *d) +{ + switch (d->dtd) { + case SDP_DATA_NIL: + SDPDBG("NIL\n"); + break; + case SDP_BOOL: + case SDP_UINT8: + case SDP_UINT16: + case SDP_UINT32: + case SDP_UINT64: + case SDP_UINT128: + case SDP_INT8: + case SDP_INT16: + case SDP_INT32: + case SDP_INT64: + case SDP_INT128: + SDPDBG("Integer : 0x%x\n", d->val.uint32); + break; + case SDP_UUID16: + case SDP_UUID32: + case SDP_UUID128: + SDPDBG("UUID\n"); + sdp_uuid_print(&d->val.uuid); + break; + case SDP_TEXT_STR8: + case SDP_TEXT_STR16: + case SDP_TEXT_STR32: + SDPDBG("Text : %s\n", d->val.str); + break; + case SDP_URL_STR8: + case SDP_URL_STR16: + case SDP_URL_STR32: + SDPDBG("URL : %s\n", d->val.str); + break; + case SDP_SEQ8: + case SDP_SEQ16: + case SDP_SEQ32: + print_dataseq(d->val.dataseq); + break; + case SDP_ALT8: + case SDP_ALT16: + case SDP_ALT32: + SDPDBG("Data Sequence Alternates\n"); + print_dataseq(d->val.dataseq); + break; + } +} +#endif + +sdp_data_t *sdp_data_get(const sdp_record_t *rec, uint16_t attrId) +{ + if (rec->attrlist) { + sdp_data_t sdpTemplate; + sdp_list_t *p; + + sdpTemplate.attrId = attrId; + p = sdp_list_find(rec->attrlist, &sdpTemplate, sdp_attrid_comp_func); + if (p) + return (sdp_data_t *)p->data; + } + return NULL; +} + +int sdp_send_req(sdp_session_t *session, uint8_t *buf, uint32_t size) +{ + uint32_t sent = 0; + + while (sent < size) { + int n = send(session->sock, buf + sent, size - sent, 0); + if (n < 0) + return -1; + sent += n; + } + return 0; +} + +int sdp_read_rsp(sdp_session_t *session, uint8_t *buf, uint32_t size) +{ + fd_set readFds; + struct timeval timeout = { SDP_RESPONSE_TIMEOUT, 0 }; + + FD_ZERO(&readFds); + FD_SET(session->sock, &readFds); + SDPDBG("Waiting for response\n"); + if (select(session->sock + 1, &readFds, NULL, NULL, &timeout) == 0) { + SDPERR("Client timed out\n"); + errno = ETIMEDOUT; + return -1; + } + return recv(session->sock, buf, size, 0); +} + +/* + * generic send request, wait for response method. + */ +int sdp_send_req_w4_rsp(sdp_session_t *session, uint8_t *reqbuf, uint8_t *rspbuf, uint32_t reqsize, uint32_t *rspsize) +{ + int n; + sdp_pdu_hdr_t *reqhdr = (sdp_pdu_hdr_t *)reqbuf; + sdp_pdu_hdr_t *rsphdr = (sdp_pdu_hdr_t *)rspbuf; + + SDPDBG(""); + if (0 > sdp_send_req(session, reqbuf, reqsize)) { + SDPERR("Error sending data:%s", strerror(errno)); + return -1; + } + n = sdp_read_rsp(session, rspbuf, SDP_RSP_BUFFER_SIZE); + if (0 > n) + return -1; + SDPDBG("Read : %d\n", n); + if (n == 0 || reqhdr->tid != rsphdr->tid) { + errno = EPROTO; + return -1; + } + *rspsize = n; + return 0; +} + +/* + * singly-linked lists (after openobex implementation) + */ +sdp_list_t *sdp_list_append(sdp_list_t *p, void *d) +{ + sdp_list_t *q, *n = malloc(sizeof(sdp_list_t)); + + if (!n) + return 0; + + n->data = d; + n->next = 0; + + if (!p) + return n; + + for (q = p; q->next; q = q->next); + q->next = n; + + return p; +} + +sdp_list_t *sdp_list_remove(sdp_list_t *list, void *d) +{ + sdp_list_t *p, *q; + + for (q = 0, p = list; p; q = p, p = p->next) + if (p->data == d) { + if (q) + q->next = p->next; + else + list = p->next; + free(p); + break; + } + + return list; +} + +sdp_list_t *sdp_list_insert_sorted(sdp_list_t *list, void *d, sdp_comp_func_t f) +{ + sdp_list_t *q, *p, *n; + + n = malloc(sizeof(sdp_list_t)); + if (!n) + return 0; + n->data = d; + for (q = 0, p = list; p; q = p, p = p->next) + if (f(p->data, d) >= 0) + break; + // insert between q and p; if !q insert at head + if (q) + q->next = n; + else + list = n; + n->next = p; + return list; +} + +/* + * Every element of the list points to things which need + * to be free()'d. This method frees the list's contents + */ +void sdp_list_free(sdp_list_t *list, sdp_free_func_t f) +{ + sdp_list_t *next; + while (list) { + next = list->next; + if (f) + f(list->data); + free(list); + list = next; + } +} + +static inline int __find_port(sdp_data_t *seq, int proto) +{ + if (!seq || !seq->next) + return 0; + + if (SDP_IS_UUID(seq->dtd) && sdp_uuid_to_proto(&seq->val.uuid) == proto) { + seq = seq->next; + switch (seq->dtd) { + case SDP_UINT8: + return seq->val.uint8; + case SDP_UINT16: + return seq->val.uint16; + } + } + return 0; +} + +int sdp_get_proto_port(const sdp_list_t *list, int proto) +{ + if (proto != L2CAP_UUID && proto != RFCOMM_UUID) { + errno = EINVAL; + return -1; + } + + for (; list; list = list->next) { + sdp_list_t *p; + for (p = list->data; p; p = p->next) { + sdp_data_t *seq = (sdp_data_t *) p->data; + int port = __find_port(seq, proto); + if (port) + return port; + } + } + return 0; +} + +sdp_data_t *sdp_get_proto_desc(sdp_list_t *list, int proto) +{ + for (; list; list = list->next) { + sdp_list_t *p; + for (p = list->data; p; p = p->next) { + sdp_data_t *seq = (sdp_data_t *) p->data; + if (SDP_IS_UUID(seq->dtd) && + sdp_uuid_to_proto(&seq->val.uuid) == proto) + return seq->next; + } + } + return NULL; +} + +int sdp_get_access_protos(const sdp_record_t *rec, sdp_list_t **pap) +{ + sdp_data_t *pdlist, *curr; + sdp_list_t *ap = 0; + + pdlist = sdp_data_get(rec, SDP_ATTR_PROTO_DESC_LIST); + if (pdlist == NULL) { + errno = ENODATA; + return -1; + } + SDPDBG("AP type : 0%x\n", pdlist->dtd); + + for (; pdlist; pdlist = pdlist->next) { + sdp_list_t *pds = 0; + for (curr = pdlist->val.dataseq; curr; curr = curr->next) + pds = sdp_list_append(pds, curr->val.dataseq); + ap = sdp_list_append(ap, pds); + } + *pap = ap; + return 0; +} + +int sdp_get_add_access_protos(const sdp_record_t *rec, sdp_list_t **pap) +{ + sdp_data_t *pdlist, *curr; + sdp_list_t *ap = 0; + + pdlist = sdp_data_get(rec, SDP_ATTR_ADD_PROTO_DESC_LIST); + if (pdlist == NULL) { + errno = ENODATA; + return -1; + } + SDPDBG("AP type : 0%x\n", pdlist->dtd); + + pdlist = pdlist->val.dataseq; + + for (; pdlist; pdlist = pdlist->next) { + sdp_list_t *pds = 0; + for (curr = pdlist->val.dataseq; curr; curr = curr->next) + pds = sdp_list_append(pds, curr->val.dataseq); + ap = sdp_list_append(ap, pds); + } + *pap = ap; + return 0; +} + +int sdp_get_uuidseq_attr(const sdp_record_t *rec, uint16_t attr, sdp_list_t **seqp) +{ + sdp_data_t *sdpdata = sdp_data_get(rec, attr); + + *seqp = NULL; + if (sdpdata && sdpdata->dtd >= SDP_SEQ8 && sdpdata->dtd <= SDP_SEQ32) { + sdp_data_t *d; + for (d = sdpdata->val.dataseq; d; d = d->next) { + uuid_t *u; + if (d->dtd < SDP_UUID16 || d->dtd > SDP_UUID128) + goto fail; + + u = malloc(sizeof(uuid_t)); + memset(u, 0, sizeof(uuid_t)); + *u = d->val.uuid; + *seqp = sdp_list_append(*seqp, u); + } + return 0; + } +fail: + sdp_list_free(*seqp, free); + errno = EINVAL; + return -1; +} + +int sdp_set_uuidseq_attr(sdp_record_t *rec, uint16_t aid, sdp_list_t *seq) +{ + int status = 0, i, len; + void **dtds, **values; + uint8_t uuid16 = SDP_UUID16; + uint8_t uuid32 = SDP_UUID32; + uint8_t uuid128 = SDP_UUID128; + sdp_list_t *p; + + len = sdp_list_len(seq); + if (!seq || len == 0) + return -1; + dtds = (void **)malloc(len * sizeof(void *)); + values = (void **)malloc(len * sizeof(void *)); + for (p = seq, i = 0; i < len; i++, p = p->next) { + uuid_t *uuid = (uuid_t *)p->data; + if (uuid) + switch (uuid->type) { + case SDP_UUID16: + dtds[i] = &uuid16; + values[i] = &uuid->value.uuid16; + break; + case SDP_UUID32: + dtds[i] = &uuid32; + values[i] = &uuid->value.uuid32; + break; + case SDP_UUID128: + dtds[i] = &uuid128; + values[i] = &uuid->value.uuid128; + break; + default: + status = -1; + break; + } + else { + status = -1; + break; + } + } + if (status == 0) { + sdp_data_t *data = sdp_seq_alloc(dtds, values, len); + sdp_attr_replace(rec, aid, data); + sdp_pattern_add_uuidseq(rec, seq); + } + free(dtds); + free(values); + return status; +} + +int sdp_get_lang_attr(const sdp_record_t *rec, sdp_list_t **langSeq) +{ + sdp_lang_attr_t *lang; + sdp_data_t *sdpdata, *curr_data; + + *langSeq = NULL; + sdpdata = sdp_data_get(rec, SDP_ATTR_LANG_BASE_ATTR_ID_LIST); + if (sdpdata == NULL) { + errno = ENODATA; + return -1; + } + curr_data = sdpdata->val.dataseq; + while (curr_data) { + sdp_data_t *pCode = curr_data; + sdp_data_t *pEncoding = pCode->next; + sdp_data_t *pOffset = pEncoding->next; + if (pCode && pEncoding && pOffset) { + lang = malloc(sizeof(sdp_lang_attr_t)); + lang->code_ISO639 = pCode->val.uint16; + lang->encoding = pEncoding->val.uint16; + lang->base_offset = pOffset->val.uint16; + SDPDBG("code_ISO639 : 0x%02x\n", lang->code_ISO639); + SDPDBG("encoding : 0x%02x\n", lang->encoding); + SDPDBG("base_offfset : 0x%02x\n", lang->base_offset); + *langSeq = sdp_list_append(*langSeq, lang); + } + curr_data = pOffset->next; + } + return 0; +} + +int sdp_get_profile_descs(const sdp_record_t *rec, sdp_list_t **profDescSeq) +{ + sdp_profile_desc_t *profDesc; + sdp_data_t *sdpdata, *seq; + + *profDescSeq = NULL; + sdpdata = sdp_data_get(rec, SDP_ATTR_PFILE_DESC_LIST); + if (!sdpdata || !sdpdata->val.dataseq) { + errno = ENODATA; + return -1; + } + for (seq = sdpdata->val.dataseq; seq && seq->val.dataseq; seq = seq->next) { + uuid_t *uuid = NULL; + uint16_t version = 0x100; + + if (SDP_IS_UUID(seq->dtd)) { + uuid = &seq->val.uuid; + } else { + sdp_data_t *puuid = seq->val.dataseq; + sdp_data_t *pVnum = seq->val.dataseq->next; + if (puuid && pVnum) { + uuid = &puuid->val.uuid; + version = pVnum->val.uint16; + } + } + + if (uuid != NULL) { + profDesc = malloc(sizeof(sdp_profile_desc_t)); + profDesc->uuid = *uuid; + profDesc->version = version; +#ifdef SDP_DEBUG + sdp_uuid_print(&profDesc->uuid); + SDPDBG("Vnum : 0x%04x\n", profDesc->version); +#endif + *profDescSeq = sdp_list_append(*profDescSeq, profDesc); + } + } + return 0; +} + +int sdp_get_server_ver(const sdp_record_t *rec, sdp_list_t **u16) +{ + sdp_data_t *d, *curr; + + *u16 = NULL; + d = sdp_data_get(rec, SDP_ATTR_VERSION_NUM_LIST); + if (d == NULL) { + errno = ENODATA; + return -1; + } + for (curr = d->val.dataseq; curr; curr = curr->next) + *u16 = sdp_list_append(*u16, &curr->val.uint16); + return 0; +} + +/* flexible extraction of basic attributes - Jean II */ +/* How do we expect caller to extract predefined data sequences? */ +int sdp_get_int_attr(const sdp_record_t *rec, uint16_t attrid, int *value) +{ + sdp_data_t *sdpdata = sdp_data_get(rec, attrid); + + if (sdpdata) + /* Verify that it is what the caller expects */ + if (sdpdata->dtd == SDP_BOOL || sdpdata->dtd == SDP_UINT8 || + sdpdata->dtd == SDP_UINT16 || sdpdata->dtd == SDP_UINT32 || + sdpdata->dtd == SDP_INT8 || sdpdata->dtd == SDP_INT16 || + sdpdata->dtd == SDP_INT32) { + *value = sdpdata->val.uint32; + return 0; + } + errno = EINVAL; + return -1; +} + +int sdp_get_string_attr(const sdp_record_t *rec, uint16_t attrid, char *value, int valuelen) +{ + sdp_data_t *sdpdata = sdp_data_get(rec, attrid); + if (sdpdata) + /* Verify that it is what the caller expects */ + if (sdpdata->dtd == SDP_TEXT_STR8 || sdpdata->dtd == SDP_TEXT_STR16 || sdpdata->dtd == SDP_TEXT_STR32) + if (strlen(sdpdata->val.str) < valuelen) { + strcpy(value, sdpdata->val.str); + return 0; + } + errno = EINVAL; + return -1; +} + +#define get_basic_attr(attrID, pAttrValue, fieldName) \ + sdp_data_t *data = sdp_data_get(rec, attrID); \ + if (data) { \ + *pAttrValue = data->val.fieldName; \ + return 0; \ + } \ + errno = EINVAL; \ + return -1; + +int sdp_get_service_id(const sdp_record_t *rec, uuid_t *uuid) +{ + get_basic_attr(SDP_ATTR_SERVICE_ID, uuid, uuid); +} + +int sdp_get_group_id(const sdp_record_t *rec, uuid_t *uuid) +{ + get_basic_attr(SDP_ATTR_GROUP_ID, uuid, uuid); +} + +int sdp_get_record_state(const sdp_record_t *rec, uint32_t *svcRecState) +{ + get_basic_attr(SDP_ATTR_RECORD_STATE, svcRecState, uint32); +} + +int sdp_get_service_avail(const sdp_record_t *rec, uint8_t *svcAvail) +{ + get_basic_attr(SDP_ATTR_SERVICE_AVAILABILITY, svcAvail, uint8); +} + +int sdp_get_service_ttl(const sdp_record_t *rec, uint32_t *svcTTLInfo) +{ + get_basic_attr(SDP_ATTR_SVCINFO_TTL, svcTTLInfo, uint32); +} + +int sdp_get_database_state(const sdp_record_t *rec, uint32_t *svcDBState) +{ + get_basic_attr(SDP_ATTR_SVCDB_STATE, svcDBState, uint32); +} + +/* + * NOTE that none of the setXXX() functions below will + * actually update the SDP server, unless the + * {register, update}sdp_record_t() function is invoked. + */ + +int sdp_attr_add_new(sdp_record_t *rec, uint16_t attr, uint8_t dtd, const void *value) +{ + sdp_data_t *d = sdp_data_alloc(dtd, value); + if (d) { + sdp_attr_replace(rec, attr, d); + return 0; + } + return -1; +} + +/* + * Set the information attributes of the service + * pointed to by rec. The attributes are + * service name, description and provider name + */ +void sdp_set_info_attr(sdp_record_t *rec, const char *name, const char *prov, const char *desc) +{ + if (name) + sdp_attr_add_new(rec, SDP_ATTR_SVCNAME_PRIMARY, SDP_TEXT_STR8, (void *)name); + if (prov) + sdp_attr_add_new(rec, SDP_ATTR_PROVNAME_PRIMARY, SDP_TEXT_STR8, (void *)prov); + if (desc) + sdp_attr_add_new(rec, SDP_ATTR_SVCDESC_PRIMARY, SDP_TEXT_STR8, (void *)desc); +} + +static sdp_data_t *access_proto_to_dataseq(sdp_record_t *rec, sdp_list_t *proto) +{ + sdp_data_t *seq = NULL; + void *dtds[10], *values[10]; + void **seqDTDs, **seqs; + int i, seqlen; + sdp_list_t *p; + + seqlen = sdp_list_len(proto); + seqDTDs = (void **)malloc(seqlen * sizeof(void *)); + seqs = (void **)malloc(seqlen * sizeof(void *)); + for (i = 0, p = proto; p; p = p->next, i++) { + sdp_list_t *elt = (sdp_list_t *)p->data; + sdp_data_t *s; + int pslen = 0; + for (; elt && pslen < sizeof(dtds); elt = elt->next, pslen++) { + sdp_data_t *d = (sdp_data_t *)elt->data; + dtds[pslen] = &d->dtd; + switch (d->dtd) { + case SDP_UUID16: + values[pslen] = &((uuid_t *)d)->value.uuid16; + break; + case SDP_UUID32: + values[pslen] = &((uuid_t *)d)->value.uuid32; + break; + case SDP_UUID128: + values[pslen] = &((uuid_t *)d)->value.uuid128; + break; + case SDP_UINT8: + values[pslen] = &d->val.uint8; + break; + case SDP_UINT16: + values[pslen] = &d->val.uint16; + break; + case SDP_SEQ8: + case SDP_SEQ16: + case SDP_SEQ32: + values[pslen] = d; + break; + // FIXME: more + } + } + s = sdp_seq_alloc(dtds, values, pslen); + if (s) { + seqDTDs[i] = &s->dtd; + seqs[i] = s; + } + } + seq = sdp_seq_alloc(seqDTDs, seqs, seqlen); + free(seqDTDs); + free(seqs); + return seq; +} + +/* + * sets the access protocols of the service specified + * to the value specified in "access_proto" + * + * Note that if there are alternate mechanisms by + * which the service is accessed, then they should + * be specified as sequences + * + * Using a value of NULL for accessProtocols has + * effect of removing this attribute (if previously set) + * + * This function replaces the existing sdp_access_proto_t + * structure (if any) with the new one specified. + * + * returns 0 if successful or -1 if there is a failure. + */ +int sdp_set_access_protos(sdp_record_t *rec, const sdp_list_t *ap) +{ + const sdp_list_t *p; + sdp_data_t *protos = NULL; + + for (p = ap; p; p = p->next) { + sdp_data_t *seq = access_proto_to_dataseq(rec, (sdp_list_t *) p->data); + protos = sdp_seq_append(protos, seq); + } + + sdp_attr_add(rec, SDP_ATTR_PROTO_DESC_LIST, protos); + + return 0; +} + +int sdp_set_add_access_protos(sdp_record_t *rec, const sdp_list_t *ap) +{ + const sdp_list_t *p; + sdp_data_t *protos = NULL; + + for (p = ap; p; p = p->next) { + sdp_data_t *seq = access_proto_to_dataseq(rec, (sdp_list_t *) p->data); + protos = sdp_seq_append(protos, seq); + } + + sdp_attr_add(rec, SDP_ATTR_ADD_PROTO_DESC_LIST, + protos ? sdp_data_alloc(SDP_SEQ8, protos) : NULL); + + return 0; +} + +/* + * set the "LanguageBase" attributes of the service record + * record to the value specified in "langAttrList". + * + * "langAttrList" is a linked list of "sdp_lang_attr_t" + * objects, one for each language in which user visible + * attributes are present in the service record. + * + * Using a value of NULL for langAttrList has + * effect of removing this attribute (if previously set) + * + * This function replaces the exisiting sdp_lang_attr_t + * structure (if any) with the new one specified. + * + * returns 0 if successful or -1 if there is a failure. + */ +int sdp_set_lang_attr(sdp_record_t *rec, const sdp_list_t *seq) +{ + uint8_t uint16 = SDP_UINT16; + int status = 0, i = 0, seqlen = sdp_list_len(seq); + void **dtds = (void **)malloc(3 * seqlen * sizeof(void *)); + void **values = (void **)malloc(3 * seqlen * sizeof(void *)); + const sdp_list_t *p; + + for (p = seq; p; p = p->next) { + sdp_lang_attr_t *lang = (sdp_lang_attr_t *)p->data; + if (!lang) { + status = -1; + break; + } + dtds[i] = &uint16; + values[i] = &lang->code_ISO639; + i++; + dtds[i] = &uint16; + values[i] = &lang->encoding; + i++; + dtds[i] = &uint16; + values[i] = &lang->base_offset; + i++; + } + if (status == 0) { + sdp_data_t *seq = sdp_seq_alloc(dtds, values, 3 * seqlen); + sdp_attr_add(rec, SDP_ATTR_LANG_BASE_ATTR_ID_LIST, seq); + } + free(dtds); + free(values); + return status; +} + +/* + * set the "ServiceID" attribute of the service. + * + * This is the UUID of the service. + * + * returns 0 if successful or -1 if there is a failure. + */ +void sdp_set_service_id(sdp_record_t *rec, uuid_t uuid) +{ + switch (uuid.type) { + case SDP_UUID16: + sdp_attr_add_new(rec, SDP_ATTR_SERVICE_ID, SDP_UUID16, &uuid.value.uuid16); + break; + case SDP_UUID32: + sdp_attr_add_new(rec, SDP_ATTR_SERVICE_ID, SDP_UUID32, &uuid.value.uuid32); + break; + case SDP_UUID128: + sdp_attr_add_new(rec, SDP_ATTR_SERVICE_ID, SDP_UUID128, &uuid.value.uuid128); + break; + } + sdp_pattern_add_uuid(rec, &uuid); +} + +/* + * set the GroupID attribute of the service record defining a group. + * + * This is the UUID of the group. + * + * returns 0 if successful or -1 if there is a failure. + */ +void sdp_set_group_id(sdp_record_t *rec, uuid_t uuid) +{ + switch (uuid.type) { + case SDP_UUID16: + sdp_attr_add_new(rec, SDP_ATTR_GROUP_ID, SDP_UUID16, &uuid.value.uuid16); + break; + case SDP_UUID32: + sdp_attr_add_new(rec, SDP_ATTR_GROUP_ID, SDP_UUID32, &uuid.value.uuid32); + break; + case SDP_UUID128: + sdp_attr_add_new(rec, SDP_ATTR_GROUP_ID, SDP_UUID128, &uuid.value.uuid128); + break; + } + sdp_pattern_add_uuid(rec, &uuid); +} + +/* + * set the ProfileDescriptorList attribute of the service record + * pointed to by record to the value specified in "profileDesc". + * + * Each element in the list is an object of type + * sdp_profile_desc_t which is a definition of the + * Bluetooth profile that this service conforms to. + * + * Using a value of NULL for profileDesc has + * effect of removing this attribute (if previously set) + * + * This function replaces the exisiting ProfileDescriptorList + * structure (if any) with the new one specified. + * + * returns 0 if successful or -1 if there is a failure. + */ +int sdp_set_profile_descs(sdp_record_t *rec, const sdp_list_t *profiles) +{ + int status = 0; + uint8_t uuid16 = SDP_UUID16; + uint8_t uuid32 = SDP_UUID32; + uint8_t uuid128 = SDP_UUID128; + uint8_t uint16 = SDP_UINT16; + int i = 0, seqlen = sdp_list_len(profiles); + void **seqDTDs = (void **)malloc(seqlen * sizeof(void *)); + void **seqs = (void **)malloc(seqlen * sizeof(void *)); + const sdp_list_t *p; + + for (p = profiles; p; p = p->next) { + sdp_data_t *seq; + void *dtds[2], *values[2]; + sdp_profile_desc_t *profile = (sdp_profile_desc_t *)p->data; + if (!profile) { + status = -1; + break; + } + switch (profile->uuid.type) { + case SDP_UUID16: + dtds[0] = &uuid16; + values[0] = &profile->uuid.value.uuid16; + break; + case SDP_UUID32: + dtds[0] = &uuid32; + values[0] = &profile->uuid.value.uuid32; + break; + case SDP_UUID128: + dtds[0] = &uuid128; + values[0] = &profile->uuid.value.uuid128; + break; + default: + status = -1; + break; + } + dtds[1] = &uint16; + values[1] = &profile->version; + seq = sdp_seq_alloc(dtds, values, 2); + if (seq) { + seqDTDs[i] = &seq->dtd; + seqs[i] = seq; + sdp_pattern_add_uuid(rec, &profile->uuid); + } + i++; + } + if (status == 0) { + sdp_data_t *pAPSeq = sdp_seq_alloc(seqDTDs, seqs, seqlen); + sdp_attr_add(rec, SDP_ATTR_PFILE_DESC_LIST, pAPSeq); + } + free(seqDTDs); + free(seqs); + return status; +} + +/* + * sets various URL attributes of the service + * pointed to by record. The URL include + * + * client: a URL to the client's + * platform specific (WinCE, PalmOS) executable + * code that can be used to access this service. + * + * doc: a URL pointing to service documentation + * + * icon: a URL to an icon that can be used to represent + * this service. + * + * Note that you need to pass NULL for any URLs + * that you don't want to set or remove + */ +void sdp_set_url_attr(sdp_record_t *rec, const char *client, const char *doc, const char *icon) +{ + sdp_attr_add_new(rec, SDP_ATTR_CLNT_EXEC_URL, SDP_URL_STR8, client); + sdp_attr_add_new(rec, SDP_ATTR_DOC_URL, SDP_URL_STR8, doc); + sdp_attr_add_new(rec, SDP_ATTR_ICON_URL, SDP_URL_STR8, icon); +} + +/* + * The code in this function is executed only once per + * thread. We compute the actual bit value of the Bluetooth + * base UUID which is a string defined in bt_std_values.h + * and is assumed to be of the standard form with "-" separators. + * + * The algorithm however converts the string to 4 unsigned longs + * using the strtoul() and assigns the values in sequence to + * the 128bit value + */ +uint128_t *sdp_create_base_uuid(void) +{ + uint128_t *base_uuid; + char baseStr[128]; + int delim = '-'; + unsigned long dataLongValue; + char *delimPtr; + char *dataPtr; + char temp[10]; + int toBeCopied; + uint8_t *data; + + strcpy(baseStr, BASE_UUID); + base_uuid = malloc(sizeof(uint128_t)); + if (!base_uuid) + return NULL; + + data = base_uuid->data; + memset(data, '\0', sizeof(uint128_t)); + memset(temp, '\0', 10); + dataPtr = baseStr; + delimPtr = NULL; + delimPtr = strchr(dataPtr, delim); + toBeCopied = delimPtr - dataPtr; + if (toBeCopied != 8) { + SDPDBG("To be copied(1) : %d\n", toBeCopied); + free(base_uuid); + return NULL; + } + strncpy(temp, dataPtr, toBeCopied); + dataLongValue = htonl(strtoul(temp, NULL, 16)); + memcpy(&data[0], &dataLongValue, 4); + + /* + * Get the next 4 bytes (note that there is a "-" + * between them now) + */ + memset(temp, '\0', 10); + dataPtr = delimPtr + 1; + delimPtr = strchr(dataPtr, delim); + toBeCopied = delimPtr - dataPtr; + if (toBeCopied != 4) { + SDPDBG("To be copied(2) : %d\n", toBeCopied); + free(base_uuid); + return NULL; + } + strncpy(temp, dataPtr, toBeCopied); + dataPtr = delimPtr + 1; + delimPtr = strchr(dataPtr, delim); + toBeCopied = delimPtr - dataPtr; + if (toBeCopied != 4) { + SDPDBG("To be copied(3) : %d\n", toBeCopied); + free(base_uuid); + return NULL; + } + strncat(temp, dataPtr, toBeCopied); + dataLongValue = htonl(strtoul(temp, NULL, 16)); + memcpy(&data[4], &dataLongValue, 4); + + /* + * Get the last 4 bytes (note that there are 6 bytes + * after the last separator, which is truncated (2+4) + */ + memset(temp, '\0', 10); + dataPtr = delimPtr + 1; + dataPtr = delimPtr + 1; + delimPtr = strchr(dataPtr, delim); + toBeCopied = delimPtr - dataPtr; + if (toBeCopied != 4) { + SDPDBG("To be copied(4) : %d\n", toBeCopied); + free(base_uuid); + return NULL; + } + strncpy(temp, dataPtr, toBeCopied); + strncat(temp, (delimPtr + 1), 4); + dataLongValue = htonl(strtoul(temp, NULL, 16)); + memcpy(&data[8], &dataLongValue, 4); + dataLongValue = htonl(strtoul(delimPtr + 5, NULL, 16)); + memcpy(&data[12], &dataLongValue, 4); + + return base_uuid; +} + +uuid_t *sdp_uuid16_create(uuid_t *u, uint16_t val) +{ + memset(u, 0, sizeof(uuid_t)); + u->type = SDP_UUID16; + u->value.uuid16 = val; + return u; +} + +uuid_t *sdp_uuid32_create(uuid_t *u, uint32_t val) +{ + memset(u, 0, sizeof(uuid_t)); + u->type = SDP_UUID32; + u->value.uuid32 = val; + return u; +} + +uuid_t *sdp_uuid128_create(uuid_t *u, const void *val) +{ + memset(u, 0, sizeof(uuid_t)); + u->type = SDP_UUID128; + memcpy(&u->value.uuid128, val, sizeof(uint128_t)); + return u; +} + +/* + * UUID comparison function + * returns 0 if uuidValue1 == uuidValue2 else -1 + */ +int sdp_uuid16_cmp(const void *p1, const void *p2) +{ + const uuid_t *u1 = (const uuid_t *)p1; + const uuid_t *u2 = (const uuid_t *)p2; + return memcmp(&u1->value.uuid16, &u2->value.uuid16, sizeof(uint16_t)); +} + +/* + * UUID comparison function + * returns 0 if uuidValue1 == uuidValue2 else -1 + */ +int sdp_uuid128_cmp(const void *p1, const void *p2) +{ + const uuid_t *u1 = (const uuid_t *)p1; + const uuid_t *u2 = (const uuid_t *)p2; + return memcmp(&u1->value.uuid128, &u2->value.uuid128, sizeof(uint128_t)); +} + +/* + * 128 to 16 bit and 32 to 16 bit UUID conversion functions + * yet to be implemented. Note that the input is in NBO in + * both 32 and 128 bit UUIDs and conversion is needed + */ +void sdp_uuid16_to_uuid128(uuid_t *uuid128, uuid_t *uuid16) +{ + /* + * We have a 16 bit value, which needs to be added to + * bytes 3 and 4 (at indices 2 and 3) of the Bluetooth base + */ + unsigned short data1; + + // allocate a 128bit UUID and init to the Bluetooth base UUID + uuid128->value.uuid128 = bluetooth_base_uuid; + uuid128->type = SDP_UUID128; + + // extract bytes 2 and 3 of 128bit BT base UUID + memcpy(&data1, &bluetooth_base_uuid.data[2], 2); + + // add the given UUID (16 bits) + data1 += htons(uuid16->value.uuid16); + + // set bytes 2 and 3 of the 128 bit value + memcpy(&uuid128->value.uuid128.data[2], &data1, 2); +} + +void sdp_uuid32_to_uuid128(uuid_t *uuid128, uuid_t *uuid32) +{ + /* + * We have a 32 bit value, which needs to be added to + * bytes 1->4 (at indices 0 thru 3) of the Bluetooth base + */ + unsigned int data0; + + // allocate a 128bit UUID and init to the Bluetooth base UUID + uuid128->value.uuid128 = bluetooth_base_uuid; + uuid128->type = SDP_UUID128; + + // extract first 4 bytes + memcpy(&data0, &bluetooth_base_uuid.data[0], 4); + + // add the given UUID (32bits) + data0 += htonl(uuid32->value.uuid32); + + // set the 4 bytes of the 128 bit value + memcpy(&uuid128->value.uuid128.data[0], &data0, 4); +} + +uuid_t *sdp_uuid_to_uuid128(uuid_t *uuid) +{ + uuid_t *uuid128 = bt_malloc(sizeof(uuid_t)); + memset(uuid128, 0, sizeof(uuid_t)); + switch (uuid->type) { + case SDP_UUID128: + *uuid128 = *uuid; + break; + case SDP_UUID32: + sdp_uuid32_to_uuid128(uuid128, uuid); + break; + case SDP_UUID16: + sdp_uuid16_to_uuid128(uuid128, uuid); + break; + } + return uuid128; +} + +/* + * converts a 128-bit uuid to a 16/32-bit one if possible + * returns true if uuid contains a 16/32-bit UUID at exit + */ +int sdp_uuid128_to_uuid(uuid_t *uuid) +{ + uint128_t *b = &bluetooth_base_uuid; + uint128_t *u = &uuid->value.uuid128; + uint32_t data; + int i; + + if (uuid->type != SDP_UUID128) + return 1; + + for (i = 4; i < sizeof(b->data); i++) + if (b->data[i] != u->data[i]) + return 0; + + memcpy(&data, u->data, 4); + data = htonl(data); + if (data <= 0xffff) { + uuid->type = SDP_UUID16; + uuid->value.uuid16 = (uint16_t) data; + } else { + uuid->type = SDP_UUID32; + uuid->value.uuid32 = data; + } + return 1; +} + +/* + * convert a UUID to the 16-bit short-form + */ +int sdp_uuid_to_proto(uuid_t *uuid) +{ + uuid_t u = *uuid; + if (sdp_uuid128_to_uuid(&u)) { + switch (u.type) { + case SDP_UUID16: + return u.value.uuid16; + case SDP_UUID32: + return u.value.uuid32; + } + } + return 0; +} + +/* + * This function appends data to the PDU buffer "dst" from source "src". + * The data length is also computed and set. + * Should the PDU length exceed 2^8, then sequence type is + * set accordingly and the data is memmove()'d. + */ +void sdp_append_to_buf(sdp_buf_t *dst, uint8_t *data, uint32_t len) +{ + uint8_t *p = dst->data; + uint8_t dtd = *(uint8_t *) p; + + SDPDBG("Append src size: %d\n", len); + SDPDBG("Append dst size: %d\n", dst->data_size); + SDPDBG("Dst buffer size: %d\n", dst->buf_size); + if (dst->data_size + len > dst->buf_size) { + int need = SDP_PDU_CHUNK_SIZE * ((len / SDP_PDU_CHUNK_SIZE) + 1); + dst->data = realloc(dst->data, dst->buf_size + need); + + SDPDBG("Realloc'ing : %d\n", need); + + if (dst->data == NULL) { + SDPERR("Realloc fails \n"); + } + dst->buf_size += need; + } + if (dst->data_size == 0 && dtd == 0) { + // create initial sequence + *(uint8_t *)p = SDP_SEQ8; + p += sizeof(uint8_t); + dst->data_size += sizeof(uint8_t); + // reserve space for sequence size + p += sizeof(uint8_t); + dst->data_size += sizeof(uint8_t); + } + + memcpy(dst->data + dst->data_size, data, len); + dst->data_size += len; + + dtd = *(uint8_t *)dst->data; + if (dst->data_size > UCHAR_MAX && dtd == SDP_SEQ8) { + short offset = sizeof(uint8_t) + sizeof(uint8_t); + memmove(dst->data + offset + 1, dst->data + offset, dst->data_size - offset); + p = dst->data; + *(uint8_t *) p = SDP_SEQ16; + p += sizeof(uint8_t); + dst->data_size += 1; + } + p = dst->data; + dtd = *(uint8_t *) p; + p += sizeof(uint8_t); + switch (dtd) { + case SDP_SEQ8: + *(uint8_t *) p = dst->data_size - sizeof(uint8_t) - sizeof(uint8_t); + break; + case SDP_SEQ16: + bt_put_unaligned(htons(dst->data_size - sizeof(uint8_t) - sizeof(uint16_t)), (uint16_t *) p); + break; + case SDP_SEQ32: + bt_put_unaligned(htonl(dst->data_size - sizeof(uint8_t) - sizeof(uint32_t)), (uint32_t *) p); + break; + } +} + +void sdp_append_to_pdu(sdp_buf_t *pdu, sdp_data_t *d) +{ + uint8_t buf[256]; + sdp_buf_t append; + + memset(&append, 0, sizeof(sdp_buf_t)); + append.data = buf; + append.buf_size = sizeof(buf); + append.data_size = 0; + + sdp_set_attrid(&append, d->attrId); + sdp_gen_pdu(&append, d); + sdp_append_to_buf(pdu, append.data, append.data_size); +} + +/* + * Registers an sdp record. + * + * It is incorrect to call this method on a record that + * has been already registered with the server. + * + * Returns zero on success, otherwise -1 (and sets errno). + */ +int sdp_device_record_register_binary(sdp_session_t *session, bdaddr_t *device, uint8_t *data, uint32_t size, uint8_t flags, uint32_t *handle) +{ + uint8_t *req, *rsp, *p; + uint32_t reqsize, rspsize; + sdp_pdu_hdr_t *reqhdr, *rsphdr; + int status; + + SDPDBG(""); + + if (!session->local) { + errno = EREMOTE; + return -1; + } + req = malloc(SDP_REQ_BUFFER_SIZE); + rsp = malloc(SDP_RSP_BUFFER_SIZE); + if (req == NULL || rsp == NULL) { + status = -1; + errno = ENOMEM; + goto end; + } + + reqhdr = (sdp_pdu_hdr_t *)req; + reqhdr->pdu_id = SDP_SVC_REGISTER_REQ; + reqhdr->tid = htons(sdp_gen_tid(session)); + reqsize = sizeof(sdp_pdu_hdr_t) + 1; + p = req + sizeof(sdp_pdu_hdr_t); + + if (bacmp(device, BDADDR_ANY)) { + *p++ = flags | SDP_DEVICE_RECORD; + bacpy((bdaddr_t *) p, device); + p += sizeof(bdaddr_t); + reqsize += sizeof(bdaddr_t); + } else + *p++ = flags; + + memcpy(p, data, size); + reqsize += size; + reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t)); + + status = sdp_send_req_w4_rsp(session, req, rsp, reqsize, &rspsize); + if (status < 0) + goto end; + + if (rspsize < sizeof(sdp_pdu_hdr_t)) { + SDPERR("Unexpected end of packet"); + errno = EPROTO; + status = -1; + goto end; + } + + rsphdr = (sdp_pdu_hdr_t *) rsp; + p = rsp + sizeof(sdp_pdu_hdr_t); + + if (rsphdr->pdu_id == SDP_ERROR_RSP) { + /* Invalid service record */ + errno = EINVAL; + status = -1; + } else if (rsphdr->pdu_id != SDP_SVC_REGISTER_RSP) { + errno = EPROTO; + status = -1; + } else { + if (rspsize < sizeof(sdp_pdu_hdr_t) + sizeof(uint32_t)) { + SDPERR("Unexpected end of packet"); + errno = EPROTO; + status = -1; + goto end; + } + if (handle) + *handle = ntohl(bt_get_unaligned((uint32_t *) p)); + } + +end: + if (req) + free(req); + + if (rsp) + free(rsp); + + return status; +} + +int sdp_device_record_register(sdp_session_t *session, bdaddr_t *device, sdp_record_t *rec, uint8_t flags) +{ + sdp_buf_t pdu; + uint32_t handle; + int err; + + SDPDBG(""); + + if (rec->handle && rec->handle != 0xffffffff) { + uint32_t handle = rec->handle; + sdp_data_t *data = sdp_data_alloc(SDP_UINT32, &handle); + sdp_attr_replace(rec, SDP_ATTR_RECORD_HANDLE, data); + } + + if (sdp_gen_record_pdu(rec, &pdu) < 0) { + errno = ENOMEM; + return -1; + } + + err = sdp_device_record_register_binary(session, device, + pdu.data, pdu.data_size, flags, &handle); + + free(pdu.data); + + if (err == 0) { + sdp_data_t *data = sdp_data_alloc(SDP_UINT32, &handle); + rec->handle = handle; + sdp_attr_replace(rec, SDP_ATTR_RECORD_HANDLE, data); + } + + return err; +} + +int sdp_record_register(sdp_session_t *session, sdp_record_t *rec, uint8_t flags) +{ + return sdp_device_record_register(session, BDADDR_ANY, rec, flags); +} + +/* + * unregister a service record + */ +int sdp_device_record_unregister_binary(sdp_session_t *session, bdaddr_t *device, uint32_t handle) +{ + uint8_t *reqbuf, *rspbuf, *p; + uint32_t reqsize = 0, rspsize = 0; + sdp_pdu_hdr_t *reqhdr, *rsphdr; + int status; + + SDPDBG(""); + + if (handle == SDP_SERVER_RECORD_HANDLE) { + errno = EINVAL; + return -1; + } + + if (!session->local) { + errno = EREMOTE; + return -1; + } + + reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + rspbuf = malloc(SDP_RSP_BUFFER_SIZE); + if (!reqbuf || !rspbuf) { + errno = ENOMEM; + status = -1; + goto end; + } + reqhdr = (sdp_pdu_hdr_t *) reqbuf; + reqhdr->pdu_id = SDP_SVC_REMOVE_REQ; + reqhdr->tid = htons(sdp_gen_tid(session)); + + p = reqbuf + sizeof(sdp_pdu_hdr_t); + reqsize = sizeof(sdp_pdu_hdr_t); + bt_put_unaligned(htonl(handle), (uint32_t *) p); + reqsize += sizeof(uint32_t); + + reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t)); + status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize); + if (status < 0) + goto end; + + if (rspsize < sizeof(sdp_pdu_hdr_t) + sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + errno = EPROTO; + status = -1; + goto end; + } + + rsphdr = (sdp_pdu_hdr_t *) rspbuf; + p = rspbuf + sizeof(sdp_pdu_hdr_t); + status = bt_get_unaligned((uint16_t *) p); + + if (rsphdr->pdu_id == SDP_ERROR_RSP) { + /* For this case the status always is invalid record handle */ + errno = EINVAL; + status = -1; + } else if (rsphdr->pdu_id != SDP_SVC_REMOVE_RSP) { + errno = EPROTO; + status = -1; + } +end: + if (reqbuf) + free(reqbuf); + + if (rspbuf) + free(rspbuf); + + return status; +} + +int sdp_device_record_unregister(sdp_session_t *session, bdaddr_t *device, sdp_record_t *rec) +{ + int err; + + err = sdp_device_record_unregister_binary(session, device, rec->handle); + if (err == 0) + sdp_record_free(rec); + + return err; +} + +int sdp_record_unregister(sdp_session_t *session, sdp_record_t *rec) +{ + return sdp_device_record_unregister(session, BDADDR_ANY, rec); +} + +/* + * modify an existing service record + */ +int sdp_device_record_update_binary(sdp_session_t *session, bdaddr_t *device, uint32_t handle, uint8_t *data, uint32_t size) +{ + return -1; +} + +int sdp_device_record_update(sdp_session_t *session, bdaddr_t *device, const sdp_record_t *rec) +{ + uint8_t *reqbuf, *rspbuf, *p; + uint32_t reqsize, rspsize; + sdp_pdu_hdr_t *reqhdr, *rsphdr; + uint32_t handle; + sdp_buf_t pdu; + int status; + + SDPDBG(""); + + handle = rec->handle; + + if (handle == SDP_SERVER_RECORD_HANDLE) { + errno = EINVAL; + return -1; + } + if (!session->local) { + errno = EREMOTE; + return -1; + } + reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + rspbuf = malloc(SDP_RSP_BUFFER_SIZE); + if (!reqbuf || !rspbuf) { + errno = ENOMEM; + status = -1; + goto end; + } + reqhdr = (sdp_pdu_hdr_t *) reqbuf; + reqhdr->pdu_id = SDP_SVC_UPDATE_REQ; + reqhdr->tid = htons(sdp_gen_tid(session)); + + p = reqbuf + sizeof(sdp_pdu_hdr_t); + reqsize = sizeof(sdp_pdu_hdr_t); + + bt_put_unaligned(htonl(handle), (uint32_t *) p); + reqsize += sizeof(uint32_t); + p += sizeof(uint32_t); + + if (sdp_gen_record_pdu(rec, &pdu) < 0) { + errno = ENOMEM; + status = -1; + goto end; + } + memcpy(p, pdu.data, pdu.data_size); + reqsize += pdu.data_size; + free(pdu.data); + + reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t)); + status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize); + if (status < 0) + goto end; + + if (rspsize < sizeof(sdp_pdu_hdr_t) + sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + errno = EPROTO; + status = -1; + goto end; + } + + SDPDBG("Send req status : %d\n", status); + + rsphdr = (sdp_pdu_hdr_t *) rspbuf; + p = rspbuf + sizeof(sdp_pdu_hdr_t); + status = bt_get_unaligned((uint16_t *) p); + + if (rsphdr->pdu_id == SDP_ERROR_RSP) { + /* The status can be invalid sintax or invalid record handle */ + errno = EINVAL; + status = -1; + } else if (rsphdr->pdu_id != SDP_SVC_UPDATE_RSP) { + errno = EPROTO; + status = -1; + } +end: + if (reqbuf) + free(reqbuf); + if (rspbuf) + free(rspbuf); + return status; +} + +int sdp_record_update(sdp_session_t *session, const sdp_record_t *rec) +{ + return sdp_device_record_update(session, BDADDR_ANY, rec); +} + +sdp_record_t *sdp_record_alloc() +{ + sdp_record_t *rec = malloc(sizeof(sdp_record_t)); + memset((void *)rec, 0, sizeof(sdp_record_t)); + rec->handle = 0xffffffff; + return rec; +} + +/* + * Free the contents of a service record + */ +void sdp_record_free(sdp_record_t *rec) +{ + sdp_list_free(rec->attrlist, (sdp_free_func_t)sdp_data_free); + sdp_list_free(rec->pattern, free); + free(rec); +} + +void sdp_pattern_add_uuid(sdp_record_t *rec, uuid_t *uuid) +{ + uuid_t *uuid128 = sdp_uuid_to_uuid128(uuid); + + SDPDBG("SvcRec : 0x%lx\n", (unsigned long)rec); + SDPDBG("Elements in target pattern : %d\n", sdp_list_len(rec->pattern)); + SDPDBG("Trying to add : 0x%lx\n", (unsigned long)uuid128); + + if (sdp_list_find(rec->pattern, uuid128, sdp_uuid128_cmp) == NULL) + rec->pattern = sdp_list_insert_sorted(rec->pattern, uuid128, sdp_uuid128_cmp); + else + bt_free(uuid128); + + SDPDBG("Elements in target pattern : %d\n", sdp_list_len(rec->pattern)); +} + +void sdp_pattern_add_uuidseq(sdp_record_t *rec, sdp_list_t *seq) +{ + for (; seq; seq = seq->next) { + uuid_t *uuid = (uuid_t *)seq->data; + sdp_pattern_add_uuid(rec, uuid); + } +} + +/* + * Extract a sequence of service record handles from a PDU buffer + * and add the entries to a sdp_list_t. Note that the service record + * handles are not in "data element sequence" form, but just like + * an array of service handles + */ +static void extract_record_handle_seq(uint8_t *pdu, int bufsize, sdp_list_t **seq, int count, int *scanned) +{ + sdp_list_t *pSeq = *seq; + uint8_t *pdata = pdu; + int n; + + for (n = 0; n < count; n++) { + if (bufsize < sizeof(uint32_t)) { + SDPERR("Unexpected end of packet"); + break; + } + uint32_t *pSvcRec = malloc(sizeof(uint32_t)); + *pSvcRec = ntohl(bt_get_unaligned((uint32_t *) pdata)); + pSeq = sdp_list_append(pSeq, pSvcRec); + pdata += sizeof(uint32_t); + *scanned += sizeof(uint32_t); + bufsize -= sizeof(uint32_t); + } + *seq = pSeq; +} +/* + * Generate the attribute sequence pdu form + * from sdp_list_t elements. Return length of attr seq + */ +static int gen_dataseq_pdu(uint8_t *dst, const sdp_list_t *seq, uint8_t dtd) +{ + sdp_data_t *dataseq; + void **types, **values; + sdp_buf_t buf; + int i, seqlen = sdp_list_len(seq); + + // Fill up the value and the dtd arrays + SDPDBG(""); + + memset(&buf, 0, sizeof(sdp_buf_t)); + buf.data = malloc(256); + buf.buf_size = 256; + + if (!buf.data) + return -ENOMEM; + + SDPDBG("Seq length : %d\n", seqlen); + + types = malloc(seqlen * sizeof(void *)); + values = malloc(seqlen * sizeof(void *)); + for (i = 0; i < seqlen; i++) { + void *data = seq->data; + types[i] = &dtd; + if (SDP_IS_UUID(dtd)) + data = &((uuid_t *)data)->value; + values[i] = data; + seq = seq->next; + } + + dataseq = sdp_seq_alloc(types, values, seqlen); + SDPDBG("Data Seq : 0x%p\n", seq); + seqlen = sdp_gen_pdu(&buf, dataseq); + SDPDBG("Copying : %d\n", buf.data_size); + memcpy(dst, buf.data, buf.data_size); + + sdp_data_free(dataseq); + + free(types); + free(values); + free(buf.data); + return seqlen; +} + +static int gen_searchseq_pdu(uint8_t *dst, const sdp_list_t *seq) +{ + uuid_t *uuid = (uuid_t *) seq->data; + return gen_dataseq_pdu(dst, seq, uuid->type); +} + +static int gen_attridseq_pdu(uint8_t *dst, const sdp_list_t *seq, uint8_t dataType) +{ + return gen_dataseq_pdu(dst, seq, dataType); +} + +typedef struct { + uint8_t length; + unsigned char data[16]; +} __attribute__ ((packed)) sdp_cstate_t; + +static int copy_cstate(uint8_t *pdata, int pdata_len, const sdp_cstate_t *cstate) +{ + if (cstate) { + uint8_t len = cstate->length; + if (len >= pdata_len) { + SDPERR("Continuation state size exceeds internal buffer"); + len = pdata_len - 1; + } + *pdata++ = len; + memcpy(pdata, cstate->data, len); + return len + 1; + } + *pdata = 0; + return 1; +} + +/* + * This is a service search request. + * + * INPUT : + * + * sdp_list_t *search + * Singly linked list containing elements of the search + * pattern. Each entry in the list is a UUID (DataTypeSDP_UUID16) + * of the service to be searched + * + * uint16_t max_rec_num + * A 16 bit integer which tells the service, the maximum + * entries that the client can handle in the response. The + * server is obliged not to return > max_rec_num entries + * + * OUTPUT : + * + * int return value + * 0: + * The request completed successfully. This does not + * mean the requested services were found + * -1: + * On any failure and sets errno + * + * sdp_list_t **rsp_list + * This variable is set on a successful return if there are + * non-zero service handles. It is a singly linked list of + * service record handles (uint16_t) + */ +int sdp_service_search_req(sdp_session_t *session, const sdp_list_t *search, + uint16_t max_rec_num, sdp_list_t **rsp) +{ + int status = 0; + uint32_t reqsize = 0, _reqsize; + uint32_t rspsize = 0, rsplen; + int seqlen = 0; + int scanned, total_rec_count, rec_count, pdata_len; + uint8_t *pdata, *_pdata; + uint8_t *reqbuf, *rspbuf; + sdp_pdu_hdr_t *reqhdr, *rsphdr; + sdp_cstate_t *cstate = NULL; + + reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + rspbuf = malloc(SDP_RSP_BUFFER_SIZE); + if (!reqbuf || !rspbuf) { + errno = ENOMEM; + status = -1; + goto end; + } + reqhdr = (sdp_pdu_hdr_t *) reqbuf; + reqhdr->pdu_id = SDP_SVC_SEARCH_REQ; + pdata = reqbuf + sizeof(sdp_pdu_hdr_t); + reqsize = sizeof(sdp_pdu_hdr_t); + + // add service class IDs for search + seqlen = gen_searchseq_pdu(pdata, search); + + SDPDBG("Data seq added : %d\n", seqlen); + + // set the length and increment the pointer + reqsize += seqlen; + pdata += seqlen; + + // specify the maximum svc rec count that client expects + bt_put_unaligned(htons(max_rec_num), (uint16_t *) pdata); + reqsize += sizeof(uint16_t); + pdata += sizeof(uint16_t); + + _reqsize = reqsize; + _pdata = pdata; + *rsp = NULL; + + do { + // Add continuation state or NULL (first time) + reqsize = _reqsize + copy_cstate(_pdata, + SDP_REQ_BUFFER_SIZE - _reqsize, cstate); + + // Set the request header's param length + reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t)); + + reqhdr->tid = htons(sdp_gen_tid(session)); + /* + * Send the request, wait for response and if + * no error, set the appropriate values and return + */ + status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize); + if (status < 0) + goto end; + + if (rspsize < sizeof(sdp_pdu_hdr_t)) { + SDPERR("Unexpected end of packet"); + status = -1; + goto end; + } + + rsphdr = (sdp_pdu_hdr_t *) rspbuf; + rsplen = ntohs(rsphdr->plen); + + if (rsphdr->pdu_id == SDP_ERROR_RSP) { + SDPDBG("Status : 0x%x\n", rsphdr->pdu_id); + status = -1; + goto end; + } + scanned = 0; + pdata = rspbuf + sizeof(sdp_pdu_hdr_t); + pdata_len = rspsize - sizeof(sdp_pdu_hdr_t); + + if (pdata_len < sizeof(uint16_t) + sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + status = -1; + goto end; + } + + // net service record match count + total_rec_count = ntohs(bt_get_unaligned((uint16_t *) pdata)); + pdata += sizeof(uint16_t); + scanned += sizeof(uint16_t); + pdata_len -= sizeof(uint16_t); + rec_count = ntohs(bt_get_unaligned((uint16_t *) pdata)); + pdata += sizeof(uint16_t); + scanned += sizeof(uint16_t); + pdata_len -= sizeof(uint16_t); + + SDPDBG("Total svc count: %d\n", total_rec_count); + SDPDBG("Current svc count: %d\n", rec_count); + SDPDBG("ResponseLength: %d\n", rsplen); + + if (!rec_count) { + status = -1; + goto end; + } + extract_record_handle_seq(pdata, pdata_len, rsp, rec_count, &scanned); + SDPDBG("BytesScanned : %d\n", scanned); + + if (rsplen > scanned) { + uint8_t cstate_len; + + if (rspsize < sizeof(sdp_pdu_hdr_t) + scanned + sizeof(uint8_t)) { + SDPERR("Unexpected end of packet: continuation state data missing"); + status = -1; + goto end; + } + + pdata = rspbuf + sizeof(sdp_pdu_hdr_t) + scanned; + cstate_len = *(uint8_t *) pdata; + if (cstate_len > 0) { + cstate = (sdp_cstate_t *)pdata; + SDPDBG("Cont state length: %d\n", cstate_len); + } else + cstate = NULL; + } + } while (cstate); + +end: + if (reqbuf) + free(reqbuf); + if (rspbuf) + free(rspbuf); + + return status; +} + +/* + * This is a service attribute request. + * + * INPUT : + * + * uint32_t handle + * The handle of the service for which the attribute(s) are + * requested + * + * sdp_attrreq_type_t reqtype + * Attribute identifiers are 16 bit unsigned integers specified + * in one of 2 ways described below : + * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers + * They are the actual attribute identifiers in ascending order + * + * SDP_ATTR_REQ_RANGE - 32bit identifier range + * The high-order 16bits is the start of range + * the low-order 16bits are the end of range + * 0x0000 to 0xFFFF gets all attributes + * + * sdp_list_t *attrid + * Singly linked list containing attribute identifiers desired. + * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL) + * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE) + * + * OUTPUT : + * return sdp_record_t * + * 0: + * On any error and sets errno + * !0: + * The service record + */ +sdp_record_t *sdp_service_attr_req(sdp_session_t *session, uint32_t handle, + sdp_attrreq_type_t reqtype, const sdp_list_t *attrids) +{ + int status = 0; + uint32_t reqsize = 0, _reqsize; + uint32_t rspsize = 0, rsp_count; + int attr_list_len = 0; + int seqlen = 0, pdata_len; + uint8_t *pdata, *_pdata; + uint8_t *reqbuf, *rspbuf; + sdp_pdu_hdr_t *reqhdr, *rsphdr; + sdp_cstate_t *cstate = NULL; + uint8_t cstate_len = 0; + sdp_buf_t rsp_concat_buf; + sdp_record_t *rec = 0; + + if (reqtype != SDP_ATTR_REQ_INDIVIDUAL && reqtype != SDP_ATTR_REQ_RANGE) { + errno = EINVAL; + return 0; + } + + reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + rspbuf = malloc(SDP_RSP_BUFFER_SIZE); + if (!reqbuf || !rspbuf) { + errno = ENOMEM; + status = -1; + goto end; + } + memset((char *) &rsp_concat_buf, 0, sizeof(sdp_buf_t)); + reqhdr = (sdp_pdu_hdr_t *) reqbuf; + reqhdr->pdu_id = SDP_SVC_ATTR_REQ; + + pdata = reqbuf + sizeof(sdp_pdu_hdr_t); + reqsize = sizeof(sdp_pdu_hdr_t); + + // add the service record handle + bt_put_unaligned(htonl(handle), (uint32_t *) pdata); + reqsize += sizeof(uint32_t); + pdata += sizeof(uint32_t); + + // specify the response limit + bt_put_unaligned(htons(65535), (uint16_t *) pdata); + reqsize += sizeof(uint16_t); + pdata += sizeof(uint16_t); + + // get attr seq PDU form + seqlen = gen_attridseq_pdu(pdata, attrids, + reqtype == SDP_ATTR_REQ_INDIVIDUAL? SDP_UINT16 : SDP_UINT32); + if (seqlen == -1) { + errno = EINVAL; + status = -1; + goto end; + } + pdata += seqlen; + reqsize += seqlen; + SDPDBG("Attr list length : %d\n", seqlen); + + // save before Continuation State + _pdata = pdata; + _reqsize = reqsize; + + do { + // add NULL continuation state + reqsize = _reqsize + copy_cstate(_pdata, + SDP_REQ_BUFFER_SIZE - _reqsize, cstate); + + // set the request header's param length + reqhdr->tid = htons(sdp_gen_tid(session)); + reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t)); + + status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize); + if (status < 0) + goto end; + + if (rspsize < sizeof(sdp_pdu_hdr_t)) { + SDPERR("Unexpected end of packet"); + status = -1; + goto end; + } + + rsp_count = 0; + rsphdr = (sdp_pdu_hdr_t *) rspbuf; + if (rsphdr->pdu_id == SDP_ERROR_RSP) { + SDPDBG("PDU ID : 0x%x\n", rsphdr->pdu_id); + status = -1; + goto end; + } + pdata = rspbuf + sizeof(sdp_pdu_hdr_t); + pdata_len = rspsize - sizeof(sdp_pdu_hdr_t); + + if (pdata_len < sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + status = -1; + goto end; + } + + rsp_count = ntohs(bt_get_unaligned((uint16_t *) pdata)); + attr_list_len += rsp_count; + pdata += sizeof(uint16_t); + pdata_len -= sizeof(uint16_t); + + // if continuation state set need to re-issue request before parsing + if (pdata_len < rsp_count + sizeof(uint8_t)) { + SDPERR("Unexpected end of packet: continuation state data missing"); + status = -1; + goto end; + } + cstate_len = *(uint8_t *) (pdata + rsp_count); + + SDPDBG("Response id : %d\n", rsphdr->pdu_id); + SDPDBG("Attrlist byte count : %d\n", rsp_count); + SDPDBG("sdp_cstate_t length : %d\n", cstate_len); + + /* + * a split response: concatenate intermediate responses + * and the last one (which has cstate_len == 0) + */ + if (cstate_len > 0 || rsp_concat_buf.data_size != 0) { + uint8_t *targetPtr = NULL; + + cstate = cstate_len > 0 ? (sdp_cstate_t *) (pdata + rsp_count) : 0; + + // build concatenated response buffer + rsp_concat_buf.data = realloc(rsp_concat_buf.data, rsp_concat_buf.data_size + rsp_count); + rsp_concat_buf.buf_size = rsp_concat_buf.data_size + rsp_count; + targetPtr = rsp_concat_buf.data + rsp_concat_buf.data_size; + memcpy(targetPtr, pdata, rsp_count); + rsp_concat_buf.data_size += rsp_count; + } + } while (cstate); + + if (attr_list_len > 0) { + int scanned = 0; + if (rsp_concat_buf.data_size != 0) { + pdata = rsp_concat_buf.data; + pdata_len = rsp_concat_buf.data_size; + } + rec = sdp_extract_pdu_safe(pdata, pdata_len, &scanned); + + if (!rec) + status = -1; + } + +end: + if (reqbuf) + free(reqbuf); + if (rsp_concat_buf.data) + free(rsp_concat_buf.data); + if (rspbuf) + free(rspbuf); + return rec; +} + +/* + * SDP transaction structure for asynchronous search + */ +struct sdp_transaction { + sdp_callback_t *cb; /* called when the transaction finishes */ + void *udata; /* client user data */ + uint8_t *reqbuf; /* pointer to request PDU */ + sdp_buf_t rsp_concat_buf; + uint32_t reqsize; /* without cstate */ + int err; /* ZERO if success or the errno if failed */ +}; + +/* + * Creates a new sdp session for asynchronous search + * INPUT: + * int sk + * non-blocking L2CAP socket + * + * RETURN: + * sdp_session_t * + * NULL - On memory allocation failure + */ +sdp_session_t *sdp_create(int sk, uint32_t flags) +{ + sdp_session_t *session; + struct sdp_transaction *t; + + session = malloc(sizeof(sdp_session_t)); + if (!session) { + errno = ENOMEM; + return NULL; + } + memset(session, 0, sizeof(*session)); + + session->flags = flags; + session->sock = sk; + + t = malloc(sizeof(struct sdp_transaction)); + if (!t) { + errno = ENOMEM; + free(session); + return NULL; + } + memset(t, 0, sizeof(*t)); + + session->priv = t; + + return session; +} + +/* + * Sets the callback function/user data used to notify the application + * that the asynchronous transaction finished. This function must be + * called before request an asynchronous search. + * + * INPUT: + * sdp_session_t *session + * Current sdp session to be handled + * sdp_callback_t *cb + * callback to be called when the transaction finishes + * void *udata + * user data passed to callback + * RETURN: + * 0 - Success + * -1 - Failure + */ +int sdp_set_notify(sdp_session_t *session, sdp_callback_t *func, void *udata) +{ + struct sdp_transaction *t; + + if (!session || !session->priv) + return -1; + + t = session->priv; + t->cb = func; + t->udata = udata; + + return 0; +} + +/* + * This function starts an asynchronous service search request. + * The incomming and outgoing data are stored in the transaction structure + * buffers. When there is incomming data the sdp_process function must be + * called to get the data and handle the continuation state. + * + * INPUT : + * sdp_session_t *session + * Current sdp session to be handled + * + * sdp_list_t *search + * Singly linked list containing elements of the search + * pattern. Each entry in the list is a UUID (DataTypeSDP_UUID16) + * of the service to be searched + * + * uint16_t max_rec_num + * A 16 bit integer which tells the service, the maximum + * entries that the client can handle in the response. The + * server is obliged not to return > max_rec_num entries + * + * OUTPUT : + * + * int return value + * 0 - if the request has been sent properly + * -1 - On any failure and sets errno + */ + +int sdp_service_search_async(sdp_session_t *session, const sdp_list_t *search, uint16_t max_rec_num) +{ + struct sdp_transaction *t; + sdp_pdu_hdr_t *reqhdr; + uint8_t *pdata; + int cstate_len, seqlen = 0; + + if (!session || !session->priv) + return -1; + + t = session->priv; + + /* check if the buffer is already allocated */ + if (t->rsp_concat_buf.data) + free(t->rsp_concat_buf.data); + memset(&t->rsp_concat_buf, 0, sizeof(sdp_buf_t)); + + if (!t->reqbuf) { + t->reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + if (!t->reqbuf) { + t->err = ENOMEM; + goto end; + } + } + memset(t->reqbuf, 0, SDP_REQ_BUFFER_SIZE); + + reqhdr = (sdp_pdu_hdr_t *) t->reqbuf; + reqhdr->tid = htons(sdp_gen_tid(session)); + reqhdr->pdu_id = SDP_SVC_SEARCH_REQ; + + // generate PDU + pdata = t->reqbuf + sizeof(sdp_pdu_hdr_t); + t->reqsize = sizeof(sdp_pdu_hdr_t); + + // add service class IDs for search + seqlen = gen_searchseq_pdu(pdata, search); + + SDPDBG("Data seq added : %d\n", seqlen); + + // now set the length and increment the pointer + t->reqsize += seqlen; + pdata += seqlen; + + bt_put_unaligned(htons(max_rec_num), (uint16_t *) pdata); + t->reqsize += sizeof(uint16_t); + pdata += sizeof(uint16_t); + + // set the request header's param length + cstate_len = copy_cstate(pdata, SDP_REQ_BUFFER_SIZE - t->reqsize, NULL); + reqhdr->plen = htons((t->reqsize + cstate_len) - sizeof(sdp_pdu_hdr_t)); + + if (sdp_send_req(session, t->reqbuf, t->reqsize + cstate_len) < 0) { + SDPERR("Error sendind data:%s", strerror(errno)); + t->err = errno; + goto end; + } + + return 0; +end: + + if (t->reqbuf) { + free(t->reqbuf); + t->reqbuf = NULL; + } + + return -1; +} + +/* + * This function starts an asynchronous service attribute request. + * The incomming and outgoing data are stored in the transaction structure + * buffers. When there is incomming data the sdp_process function must be + * called to get the data and handle the continuation state. + * + * INPUT : + * sdp_session_t *session + * Current sdp session to be handled + * + * uint32_t handle + * The handle of the service for which the attribute(s) are + * requested + * + * sdp_attrreq_type_t reqtype + * Attribute identifiers are 16 bit unsigned integers specified + * in one of 2 ways described below : + * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers + * They are the actual attribute identifiers in ascending order + * + * SDP_ATTR_REQ_RANGE - 32bit identifier range + * The high-order 16bits is the start of range + * the low-order 16bits are the end of range + * 0x0000 to 0xFFFF gets all attributes + * + * sdp_list_t *attrid_list + * Singly linked list containing attribute identifiers desired. + * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL) + * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE) + * + * OUTPUT : + * int return value + * 0 - if the request has been sent properly + * -1 - On any failure and sets errno + */ + +int sdp_service_attr_async(sdp_session_t *session, uint32_t handle, sdp_attrreq_type_t reqtype, const sdp_list_t *attrid_list) +{ + struct sdp_transaction *t; + sdp_pdu_hdr_t *reqhdr; + uint8_t *pdata; + int cstate_len, seqlen = 0; + + if (!session || !session->priv) + return -1; + + t = session->priv; + + /* check if the buffer is already allocated */ + if (t->rsp_concat_buf.data) + free(t->rsp_concat_buf.data); + memset(&t->rsp_concat_buf, 0, sizeof(sdp_buf_t)); + + if (!t->reqbuf) { + t->reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + if (!t->reqbuf) { + t->err = ENOMEM; + goto end; + } + } + memset(t->reqbuf, 0, SDP_REQ_BUFFER_SIZE); + + reqhdr = (sdp_pdu_hdr_t *) t->reqbuf; + reqhdr->tid = htons(sdp_gen_tid(session)); + reqhdr->pdu_id = SDP_SVC_ATTR_REQ; + + // generate PDU + pdata = t->reqbuf + sizeof(sdp_pdu_hdr_t); + t->reqsize = sizeof(sdp_pdu_hdr_t); + + // add the service record handle + bt_put_unaligned(htonl(handle), (uint32_t *) pdata); + t->reqsize += sizeof(uint32_t); + pdata += sizeof(uint32_t); + + // specify the response limit + bt_put_unaligned(htons(65535), (uint16_t *) pdata); + t->reqsize += sizeof(uint16_t); + pdata += sizeof(uint16_t); + + // get attr seq PDU form + seqlen = gen_attridseq_pdu(pdata, attrid_list, + reqtype == SDP_ATTR_REQ_INDIVIDUAL? SDP_UINT16 : SDP_UINT32); + if (seqlen == -1) { + t->err = EINVAL; + goto end; + } + + // now set the length and increment the pointer + t->reqsize += seqlen; + pdata += seqlen; + SDPDBG("Attr list length : %d\n", seqlen); + + // set the request header's param length + cstate_len = copy_cstate(pdata, SDP_REQ_BUFFER_SIZE - t->reqsize, NULL); + reqhdr->plen = htons((t->reqsize + cstate_len) - sizeof(sdp_pdu_hdr_t)); + + if (sdp_send_req(session, t->reqbuf, t->reqsize + cstate_len) < 0) { + SDPERR("Error sendind data:%s", strerror(errno)); + t->err = errno; + goto end; + } + + return 0; +end: + + if (t->reqbuf) { + free(t->reqbuf); + t->reqbuf = NULL; + } + + return -1; +} + +/* + * This function starts an asynchronous service search attributes. + * It is a service search request combined with attribute request. The incomming + * and outgoing data are stored in the transaction structure buffers. When there + * is incomming data the sdp_process function must be called to get the data + * and handle the continuation state. + * + * INPUT: + * sdp_session_t *session + * Current sdp session to be handled + * + * sdp_list_t *search + * Singly linked list containing elements of the search + * pattern. Each entry in the list is a UUID(DataTypeSDP_UUID16) + * of the service to be searched + * + * AttributeSpecification attrSpec + * Attribute identifiers are 16 bit unsigned integers specified + * in one of 2 ways described below : + * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers + * They are the actual attribute identifiers in ascending order + * + * SDP_ATTR_REQ_RANGE - 32bit identifier range + * The high-order 16bits is the start of range + * the low-order 16bits are the end of range + * 0x0000 to 0xFFFF gets all attributes + * + * sdp_list_t *attrid_list + * Singly linked list containing attribute identifiers desired. + * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL) + * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE) + * + + * RETURN: + * 0 - if the request has been sent properly + * -1 - On any failure + */ +int sdp_service_search_attr_async(sdp_session_t *session, const sdp_list_t *search, sdp_attrreq_type_t reqtype, const sdp_list_t *attrid_list) +{ + struct sdp_transaction *t; + sdp_pdu_hdr_t *reqhdr; + uint8_t *pdata; + int cstate_len, seqlen = 0; + + if (!session || !session->priv) + return -1; + + t = session->priv; + + /* check if the buffer is already allocated */ + if (t->rsp_concat_buf.data) + free(t->rsp_concat_buf.data); + memset(&t->rsp_concat_buf, 0, sizeof(sdp_buf_t)); + + if (!t->reqbuf) { + t->reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + if (!t->reqbuf) { + t->err = ENOMEM; + goto end; + } + } + memset(t->reqbuf, 0, SDP_REQ_BUFFER_SIZE); + + reqhdr = (sdp_pdu_hdr_t *) t->reqbuf; + reqhdr->tid = htons(sdp_gen_tid(session)); + reqhdr->pdu_id = SDP_SVC_SEARCH_ATTR_REQ; + + // generate PDU + pdata = t->reqbuf + sizeof(sdp_pdu_hdr_t); + t->reqsize = sizeof(sdp_pdu_hdr_t); + + // add service class IDs for search + seqlen = gen_searchseq_pdu(pdata, search); + + SDPDBG("Data seq added : %d\n", seqlen); + + // now set the length and increment the pointer + t->reqsize += seqlen; + pdata += seqlen; + + bt_put_unaligned(htons(SDP_MAX_ATTR_LEN), (uint16_t *) pdata); + t->reqsize += sizeof(uint16_t); + pdata += sizeof(uint16_t); + + SDPDBG("Max attr byte count : %d\n", SDP_MAX_ATTR_LEN); + + // get attr seq PDU form + seqlen = gen_attridseq_pdu(pdata, attrid_list, + reqtype == SDP_ATTR_REQ_INDIVIDUAL ? SDP_UINT16 : SDP_UINT32); + if (seqlen == -1) { + t->err = EINVAL; + goto end; + } + + pdata += seqlen; + SDPDBG("Attr list length : %d\n", seqlen); + t->reqsize += seqlen; + + // set the request header's param length + cstate_len = copy_cstate(pdata, SDP_REQ_BUFFER_SIZE - t->reqsize, NULL); + reqhdr->plen = htons((t->reqsize + cstate_len) - sizeof(sdp_pdu_hdr_t)); + + if (sdp_send_req(session, t->reqbuf, t->reqsize + cstate_len) < 0) { + SDPERR("Error sendind data:%s", strerror(errno)); + t->err = errno; + goto end; + } + + return 0; +end: + + if (t->reqbuf) { + free(t->reqbuf); + t->reqbuf = NULL; + } + + return -1; +} + +/* + * Function used to get the error reason after sdp_callback_t function has been called + * and the status is 0xffff or if sdp_service_{search, attr, search_attr}_async returns -1. + * It indicates that an error NOT related to SDP_ErrorResponse happened. Get errno directly + * is not safe because multiple transactions can be triggered. + * This function must be used with asynchronous sdp functions only. + * + * INPUT: + * sdp_session_t *session + * Current sdp session to be handled + * RETURN: + * 0 = No error in the current transaction + * -1 - if the session is invalid + * positive value - the errno value + * + */ +int sdp_get_error(sdp_session_t *session) +{ + struct sdp_transaction *t; + + if (!session || !session->priv) { + SDPERR("Invalid session"); + return -1; + } + + t = session->priv; + + return t->err; +} + +/* + * Receive the incomming SDP PDU. This function must be called when there is data + * available to be read. On continuation state, the original request (with a new + * transaction ID) and the continuation state data will be appended in the initial PDU. + * If an error happens or the transaction finishes the callback function will be called. + * + * INPUT: + * sdp_session_t *session + * Current sdp session to be handled + * RETURN: + * 0 - if the transaction is on continuation state + * -1 - On any failure or the transaction finished + */ +int sdp_process(sdp_session_t *session) +{ + struct sdp_transaction *t; + sdp_pdu_hdr_t *reqhdr, *rsphdr; + sdp_cstate_t *pcstate; + uint8_t *pdata, *rspbuf, *targetPtr; + int rsp_count, err = -1; + size_t size = 0; + int n, plen; + uint16_t status = 0xffff; + uint8_t pdu_id = 0x00; + + if (!session || !session->priv) { + SDPERR("Invalid session"); + return -1; + } + + rspbuf = malloc(SDP_RSP_BUFFER_SIZE); + if (!rspbuf) { + SDPERR("Response buffer alloc failure:%s (%d)", + strerror(errno), errno); + return -1; + } + + memset(rspbuf, 0, SDP_RSP_BUFFER_SIZE); + + t = session->priv; + reqhdr = (sdp_pdu_hdr_t *)t->reqbuf; + rsphdr = (sdp_pdu_hdr_t *)rspbuf; + + pdata = rspbuf + sizeof(sdp_pdu_hdr_t); + + n = sdp_read_rsp(session, rspbuf, SDP_RSP_BUFFER_SIZE); + if (n < 0) { + SDPERR("Read response:%s (%d)", strerror(errno), errno); + t->err = errno; + goto end; + } + + if (n == 0 || reqhdr->tid != rsphdr->tid || + (n != (ntohs(rsphdr->plen) + sizeof(sdp_pdu_hdr_t)))) { + t->err = EPROTO; + SDPERR("Protocol error."); + goto end; + } + + pdu_id = rsphdr->pdu_id; + switch (rsphdr->pdu_id) { + uint8_t *ssr_pdata; + uint16_t tsrc, csrc; + case SDP_SVC_SEARCH_RSP: + /* + * TSRC: Total Service Record Count (2 bytes) + * CSRC: Current Service Record Count (2 bytes) + */ + ssr_pdata = pdata; + tsrc = ntohs(bt_get_unaligned((uint16_t *) ssr_pdata)); + ssr_pdata += sizeof(uint16_t); + csrc = ntohs(bt_get_unaligned((uint16_t *) ssr_pdata)); + + /* csrc should never be larger than tsrc */ + if (csrc > tsrc) { + t->err = EPROTO; + SDPERR("Protocol error: wrong current service record count value."); + goto end; + } + + SDPDBG("Total svc count: %d\n", tsrc); + SDPDBG("Current svc count: %d\n", csrc); + + /* parameter length without continuation state */ + plen = sizeof(tsrc) + sizeof(csrc) + csrc * 4; + + if (t->rsp_concat_buf.data_size == 0) { + /* first fragment */ + rsp_count = sizeof(tsrc) + sizeof(csrc) + csrc * 4; + } else { + /* point to the first csrc */ + uint16_t *pcsrc = (uint16_t *) (t->rsp_concat_buf.data + 2); + + /* FIXME: update the interface later. csrc doesn't need be passed to clients */ + + pdata += sizeof(uint16_t); /* point to csrc */ + + /* the first csrc contains the sum of partial csrc responses */ + *pcsrc += bt_get_unaligned((uint16_t *) pdata); + + pdata += sizeof(uint16_t); /* point to the first handle */ + rsp_count = csrc * 4; + } + status = 0x0000; + break; + case SDP_SVC_ATTR_RSP: + case SDP_SVC_SEARCH_ATTR_RSP: + rsp_count = ntohs(bt_get_unaligned((uint16_t *) pdata)); + SDPDBG("Attrlist byte count : %d\n", rsp_count); + + /* + * Number of bytes in the AttributeLists parameter(without + * continuation state) + AttributeListsByteCount field size. + */ + plen = sizeof(uint16_t) + rsp_count; + + pdata += sizeof(uint16_t); // points to attribute list + status = 0x0000; + break; + case SDP_ERROR_RSP: + status = ntohs(bt_get_unaligned((uint16_t *) pdata)); + size = ntohs(rsphdr->plen); + + /* error code + error info */ + plen = size; + goto end; + default: + t->err = EPROTO; + SDPERR("Illegal PDU ID: 0x%x", rsphdr->pdu_id); + goto end; + } + + pcstate = (sdp_cstate_t *) (pdata + rsp_count); + + SDPDBG("Cstate length : %d\n", pcstate->length); + + /* + * Check out of bound. Continuation state must have at least + * 1 byte: ZERO to indicate that it is not a partial response. + */ + if ((n - sizeof(sdp_pdu_hdr_t)) != (plen + pcstate->length + 1)) { + t->err = EPROTO; + SDPERR("Protocol error: wrong PDU size."); + status = 0xffff; + goto end; + } + + /* + * This is a split response, need to concatenate intermediate + * responses and the last one which will have cstate length == 0 + */ + t->rsp_concat_buf.data = realloc(t->rsp_concat_buf.data, t->rsp_concat_buf.data_size + rsp_count); + targetPtr = t->rsp_concat_buf.data + t->rsp_concat_buf.data_size; + t->rsp_concat_buf.buf_size = t->rsp_concat_buf.data_size + rsp_count; + memcpy(targetPtr, pdata, rsp_count); + t->rsp_concat_buf.data_size += rsp_count; + + if (pcstate->length > 0) { + int reqsize, cstate_len; + + reqhdr->tid = htons(sdp_gen_tid(session)); + + // add continuation state + cstate_len = copy_cstate(t->reqbuf + t->reqsize, + SDP_REQ_BUFFER_SIZE - t->reqsize, pcstate); + + reqsize = t->reqsize + cstate_len; + + // set the request header's param length + reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t)); + + if (sdp_send_req(session, t->reqbuf, reqsize) < 0) { + SDPERR("Error sendind data:%s(%d)", strerror(errno), errno); + status = 0xffff; + t->err = errno; + goto end; + } + err = 0; + } + +end: + if (err) { + if (t->rsp_concat_buf.data_size != 0) { + pdata = t->rsp_concat_buf.data; + size = t->rsp_concat_buf.data_size; + } + if (t->cb) + t->cb(pdu_id, status, pdata, size, t->udata); + } + + if (rspbuf) + free(rspbuf); + + return err; +} + +/* + * This is a service search request combined with the service + * attribute request. First a service class match is done and + * for matching service, requested attributes are extracted + * + * INPUT : + * + * sdp_list_t *search + * Singly linked list containing elements of the search + * pattern. Each entry in the list is a UUID(DataTypeSDP_UUID16) + * of the service to be searched + * + * AttributeSpecification attrSpec + * Attribute identifiers are 16 bit unsigned integers specified + * in one of 2 ways described below : + * SDP_ATTR_REQ_INDIVIDUAL - 16bit individual identifiers + * They are the actual attribute identifiers in ascending order + * + * SDP_ATTR_REQ_RANGE - 32bit identifier range + * The high-order 16bits is the start of range + * the low-order 16bits are the end of range + * 0x0000 to 0xFFFF gets all attributes + * + * sdp_list_t *attrids + * Singly linked list containing attribute identifiers desired. + * Every element is either a uint16_t(attrSpec = SDP_ATTR_REQ_INDIVIDUAL) + * or a uint32_t(attrSpec=SDP_ATTR_REQ_RANGE) + * + * OUTPUT : + * int return value + * 0: + * The request completed successfully. This does not + * mean the requested services were found + * -1: + * On any error and sets errno + * + * sdp_list_t **rsp + * This variable is set on a successful return to point to + * service(s) found. Each element of this list is of type + * sdp_record_t* (of the services which matched the search list) + */ +int sdp_service_search_attr_req(sdp_session_t *session, const sdp_list_t *search, sdp_attrreq_type_t reqtype, const sdp_list_t *attrids, sdp_list_t **rsp) +{ + int status = 0; + uint32_t reqsize = 0, _reqsize; + uint32_t rspsize = 0; + int seqlen = 0, attr_list_len = 0; + int rsp_count = 0, cstate_len = 0, pdata_len; + uint8_t *pdata, *_pdata; + uint8_t *reqbuf, *rspbuf; + sdp_pdu_hdr_t *reqhdr, *rsphdr; + uint8_t dataType; + sdp_list_t *rec_list = NULL; + sdp_buf_t rsp_concat_buf; + sdp_cstate_t *cstate = NULL; + + if (reqtype != SDP_ATTR_REQ_INDIVIDUAL && reqtype != SDP_ATTR_REQ_RANGE) { + errno = EINVAL; + return -1; + } + reqbuf = malloc(SDP_REQ_BUFFER_SIZE); + rspbuf = malloc(SDP_RSP_BUFFER_SIZE); + if (!reqbuf || !rspbuf) { + errno = ENOMEM; + status = -1; + goto end; + } + + memset((char *)&rsp_concat_buf, 0, sizeof(sdp_buf_t)); + reqhdr = (sdp_pdu_hdr_t *) reqbuf; + reqhdr->pdu_id = SDP_SVC_SEARCH_ATTR_REQ; + + // generate PDU + pdata = reqbuf + sizeof(sdp_pdu_hdr_t); + reqsize = sizeof(sdp_pdu_hdr_t); + + // add service class IDs for search + seqlen = gen_searchseq_pdu(pdata, search); + + SDPDBG("Data seq added : %d\n", seqlen); + + // now set the length and increment the pointer + reqsize += seqlen; + pdata += seqlen; + + bt_put_unaligned(htons(SDP_MAX_ATTR_LEN), (uint16_t *) pdata); + reqsize += sizeof(uint16_t); + pdata += sizeof(uint16_t); + + SDPDBG("Max attr byte count : %d\n", SDP_MAX_ATTR_LEN); + + // get attr seq PDU form + seqlen = gen_attridseq_pdu(pdata, attrids, + reqtype == SDP_ATTR_REQ_INDIVIDUAL ? SDP_UINT16 : SDP_UINT32); + if (seqlen == -1) { + status = EINVAL; + goto end; + } + pdata += seqlen; + SDPDBG("Attr list length : %d\n", seqlen); + reqsize += seqlen; + *rsp = 0; + + // save before Continuation State + _pdata = pdata; + _reqsize = reqsize; + + do { + reqhdr->tid = htons(sdp_gen_tid(session)); + + // add continuation state (can be null) + reqsize = _reqsize + copy_cstate(_pdata, + SDP_REQ_BUFFER_SIZE - _reqsize, cstate); + + // set the request header's param length + reqhdr->plen = htons(reqsize - sizeof(sdp_pdu_hdr_t)); + rsphdr = (sdp_pdu_hdr_t *) rspbuf; + status = sdp_send_req_w4_rsp(session, reqbuf, rspbuf, reqsize, &rspsize); + if (rspsize < sizeof(sdp_pdu_hdr_t)) { + SDPERR("Unexpected end of packet"); + status = -1; + goto end; + } + + if (status < 0) { + SDPDBG("Status : 0x%x\n", rsphdr->pdu_id); + goto end; + } + + if (rsphdr->pdu_id == SDP_ERROR_RSP) { + status = -1; + goto end; + } + + pdata = rspbuf + sizeof(sdp_pdu_hdr_t); + pdata_len = rspsize - sizeof(sdp_pdu_hdr_t); + + if (pdata_len < sizeof(uint16_t)) { + SDPERR("Unexpected end of packet"); + status = -1; + goto end; + } + + rsp_count = ntohs(bt_get_unaligned((uint16_t *) pdata)); + attr_list_len += rsp_count; + pdata += sizeof(uint16_t); // pdata points to attribute list + pdata_len -= sizeof(uint16_t); + + if (pdata_len < rsp_count + sizeof(uint8_t)) { + SDPERR("Unexpected end of packet: continuation state data missing"); + status = -1; + goto end; + } + + cstate_len = *(uint8_t *) (pdata + rsp_count); + + SDPDBG("Attrlist byte count : %d\n", attr_list_len); + SDPDBG("Response byte count : %d\n", rsp_count); + SDPDBG("Cstate length : %d\n", cstate_len); + /* + * This is a split response, need to concatenate intermediate + * responses and the last one which will have cstate_len == 0 + */ + if (cstate_len > 0 || rsp_concat_buf.data_size != 0) { + uint8_t *targetPtr = NULL; + + cstate = cstate_len > 0 ? (sdp_cstate_t *) (pdata + rsp_count) : 0; + + // build concatenated response buffer + rsp_concat_buf.data = realloc(rsp_concat_buf.data, rsp_concat_buf.data_size + rsp_count); + targetPtr = rsp_concat_buf.data + rsp_concat_buf.data_size; + rsp_concat_buf.buf_size = rsp_concat_buf.data_size + rsp_count; + memcpy(targetPtr, pdata, rsp_count); + rsp_concat_buf.data_size += rsp_count; + } + } while (cstate); + + if (attr_list_len > 0) { + int scanned = 0; + + if (rsp_concat_buf.data_size != 0) { + pdata = rsp_concat_buf.data; + pdata_len = rsp_concat_buf.data_size; + } + + /* + * Response is a sequence of sequence(s) for one or + * more data element sequence(s) representing services + * for which attributes are returned + */ + scanned = sdp_extract_seqtype_safe(pdata, pdata_len, &dataType, &seqlen); + + SDPDBG("Bytes scanned : %d\n", scanned); + SDPDBG("Seq length : %d\n", seqlen); + + if (scanned && seqlen) { + pdata += scanned; + pdata_len -= scanned; + do { + int recsize = 0; + sdp_record_t *rec = sdp_extract_pdu_safe(pdata, pdata_len, &recsize); + if (rec == NULL) { + SDPERR("SVC REC is null\n"); + status = -1; + goto end; + } + if (!recsize) { + sdp_record_free(rec); + break; + } + scanned += recsize; + pdata += recsize; + pdata_len -= recsize; + + SDPDBG("Loc seq length : %d\n", recsize); + SDPDBG("Svc Rec Handle : 0x%x\n", rec->handle); + SDPDBG("Bytes scanned : %d\n", scanned); + SDPDBG("Attrlist byte count : %d\n", attr_list_len); + rec_list = sdp_list_append(rec_list, rec); + } while (scanned < attr_list_len && pdata_len > 0); + + SDPDBG("Successful scan of service attr lists\n"); + *rsp = rec_list; + } + } + end: + if (rsp_concat_buf.data) + free(rsp_concat_buf.data); + if (reqbuf) + free(reqbuf); + if (rspbuf) + free(rspbuf); + return status; +} + +/* + * Find devices in the piconet. + */ +int sdp_general_inquiry(inquiry_info *ii, int num_dev, int duration, uint8_t *found) +{ + int n = hci_inquiry(-1, 10, num_dev, NULL, &ii, 0); + if (n < 0) { + SDPERR("Inquiry failed:%s", strerror(errno)); + return -1; + } + *found = n; + return 0; +} + +int sdp_close(sdp_session_t *session) +{ + struct sdp_transaction *t; + int ret; + + if (!session) + return -1; + + ret = close(session->sock); + + t = session->priv; + + if (t) { + if (t->reqbuf) + free(t->reqbuf); + + if (t->rsp_concat_buf.data) + free(t->rsp_concat_buf.data); + + free(t); + } + free(session); + return ret; +} + +static inline int sdp_is_local(const bdaddr_t *device) +{ + return memcmp(device, BDADDR_LOCAL, sizeof(bdaddr_t)) == 0; +} + +static int sdp_connect_local(sdp_session_t *session) +{ + struct sockaddr_un sa; + + session->sock = socket(PF_UNIX, SOCK_STREAM, 0); + if (session->sock < 0) + return -1; + session->local = 1; + + sa.sun_family = AF_UNIX; + strcpy(sa.sun_path, SDP_UNIX_PATH); + + return connect(session->sock, (struct sockaddr *)&sa, sizeof(sa)); +} + +static int sdp_connect_l2cap(const bdaddr_t *src, + const bdaddr_t *dst, sdp_session_t *session) +{ + uint32_t flags = session->flags; + struct sockaddr_l2 sa; + int sk; + + session->sock = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP); + if (session->sock < 0) + return -1; + session->local = 0; + + sk = session->sock; + + if (flags & SDP_NON_BLOCKING) { + long arg = fcntl(sk, F_GETFL, 0); + fcntl(sk, F_SETFL, arg | O_NONBLOCK); + } + + sa.l2_family = AF_BLUETOOTH; + sa.l2_psm = 0; + + if (bacmp(src, BDADDR_ANY)) { + sa.l2_bdaddr = *src; + if (bind(sk, (struct sockaddr *) &sa, sizeof(sa)) < 0) + return -1; + } + + if (flags & SDP_WAIT_ON_CLOSE) { + struct linger l = { .l_onoff = 1, .l_linger = 1 }; + setsockopt(sk, SOL_SOCKET, SO_LINGER, &l, sizeof(l)); + } + + sa.l2_psm = htobs(SDP_PSM); + sa.l2_bdaddr = *dst; + + do { + int ret = connect(sk, (struct sockaddr *) &sa, sizeof(sa)); + if (!ret) + return 0; + if (ret < 0 && (flags & SDP_NON_BLOCKING) && + (errno == EAGAIN || errno == EINPROGRESS)) + return 0; + } while (errno == EBUSY && (flags & SDP_RETRY_IF_BUSY)); + + return -1; +} + +sdp_session_t *sdp_connect(const bdaddr_t *src, + const bdaddr_t *dst, uint32_t flags) +{ + sdp_session_t *session; + int err; + + if ((flags & SDP_RETRY_IF_BUSY) && (flags & SDP_NON_BLOCKING)) { + errno = EINVAL; + return NULL; + } + + session = sdp_create(-1, flags); + if (!session) + return NULL; + + if (sdp_is_local(dst)) { + if (sdp_connect_local(session) < 0) + goto fail; + } else { + if (sdp_connect_l2cap(src, dst, session) < 0) + goto fail; + } + + return session; + +fail: + err = errno; + if (session->sock >= 0) + close(session->sock); + if (session->priv) + free(session->priv); + free(session); + errno = err; + + return NULL; +} + +int sdp_get_socket(const sdp_session_t *session) +{ + return session->sock; +} + +uint16_t sdp_gen_tid(sdp_session_t *session) +{ + return session->tid++; +} |