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-rw-r--r--src/storage.c784
1 files changed, 784 insertions, 0 deletions
diff --git a/src/storage.c b/src/storage.c
new file mode 100644
index 00000000..ded9a535
--- /dev/null
+++ b/src/storage.c
@@ -0,0 +1,784 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2006-2007 Nokia Corporation
+ * Copyright (C) 2004-2008 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 <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sys/file.h>
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <sys/socket.h>
+
+#include <glib.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/sdp.h>
+#include <bluetooth/sdp_lib.h>
+
+#include "textfile.h"
+#include "hcid.h"
+
+static inline int create_filename(char *buf, size_t size, const bdaddr_t *bdaddr, const char *name)
+{
+ char addr[18];
+
+ ba2str(bdaddr, addr);
+
+ return create_name(buf, size, STORAGEDIR, addr, name);
+}
+
+int write_discoverable_timeout(bdaddr_t *bdaddr, int timeout)
+{
+ char filename[PATH_MAX + 1], str[32];
+
+ snprintf(str, sizeof(str), "%d", timeout);
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ return textfile_put(filename, "discovto", str);
+}
+
+int read_discoverable_timeout(bdaddr_t *bdaddr, int *timeout)
+{
+ char filename[PATH_MAX + 1], *str;
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ str = textfile_get(filename, "discovto");
+ if (!str)
+ return -ENOENT;
+
+ if (sscanf(str, "%d", timeout) != 1) {
+ free(str);
+ return -ENOENT;
+ }
+
+ free(str);
+
+ return 0;
+}
+
+int write_device_mode(bdaddr_t *bdaddr, const char *mode)
+{
+ char filename[PATH_MAX + 1];
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ if (strcmp(mode, "off") != 0)
+ textfile_put(filename, "onmode", mode);
+
+ return textfile_put(filename, "mode", mode);
+}
+
+int read_device_mode(bdaddr_t *bdaddr, char *mode, int length)
+{
+ char filename[PATH_MAX + 1], *str;
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ str = textfile_get(filename, "mode");
+ if (!str)
+ return -ENOENT;
+
+ strncpy(mode, str, length);
+ mode[length - 1] = '\0';
+
+ free(str);
+
+ return 0;
+}
+
+int read_on_mode(bdaddr_t *bdaddr, char *mode, int length)
+{
+ char filename[PATH_MAX + 1], *str;
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ str = textfile_get(filename, "onmode");
+ if (!str)
+ return -ENOENT;
+
+ strncpy(mode, str, length);
+ mode[length - 1] = '\0';
+
+ free(str);
+
+ return 0;
+}
+
+int write_local_name(bdaddr_t *bdaddr, char *name)
+{
+ char filename[PATH_MAX + 1], str[249];
+ int i;
+
+ memset(str, 0, sizeof(str));
+ for (i = 0; i < 248 && name[i]; i++)
+ if ((unsigned char) name[i] < 32 || name[i] == 127)
+ str[i] = '.';
+ else
+ str[i] = name[i];
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ return textfile_put(filename, "name", str);
+}
+
+int read_local_name(bdaddr_t *bdaddr, char *name)
+{
+ char filename[PATH_MAX + 1], *str;
+ int len;
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ str = textfile_get(filename, "name");
+ if (!str)
+ return -ENOENT;
+
+ len = strlen(str);
+ if (len > 248)
+ str[248] = '\0';
+ strcpy(name, str);
+
+ free(str);
+
+ return 0;
+}
+
+int write_local_class(bdaddr_t *bdaddr, uint8_t *class)
+{
+ char filename[PATH_MAX + 1], str[9];
+
+ sprintf(str, "0x%2.2x%2.2x%2.2x", class[2], class[1], class[0]);
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ return textfile_put(filename, "class", str);
+}
+
+int read_local_class(bdaddr_t *bdaddr, uint8_t *class)
+{
+ char filename[PATH_MAX + 1], tmp[3], *str;
+ int i;
+
+ create_filename(filename, PATH_MAX, bdaddr, "config");
+
+ str = textfile_get(filename, "class");
+ if (!str)
+ return -ENOENT;
+
+ memset(tmp, 0, sizeof(tmp));
+ for (i = 0; i < 3; i++) {
+ memcpy(tmp, str + (i * 2) + 2, 2);
+ class[2 - i] = (uint8_t) strtol(tmp, NULL, 16);
+ }
+
+ free(str);
+
+ return 0;
+}
+
+int write_remote_class(bdaddr_t *local, bdaddr_t *peer, uint32_t class)
+{
+ char filename[PATH_MAX + 1], addr[18], str[9];
+
+ create_filename(filename, PATH_MAX, local, "classes");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ sprintf(str, "0x%6.6x", class);
+
+ return textfile_put(filename, addr, str);
+}
+
+int read_remote_class(bdaddr_t *local, bdaddr_t *peer, uint32_t *class)
+{
+ char filename[PATH_MAX + 1], addr[18], *str;
+
+ create_filename(filename, PATH_MAX, local, "classes");
+
+ ba2str(peer, addr);
+
+ str = textfile_get(filename, addr);
+ if (!str)
+ return -ENOENT;
+
+ if (sscanf(str, "%x", class) != 1) {
+ free(str);
+ return -ENOENT;
+ }
+
+ free(str);
+
+ return 0;
+}
+
+int write_device_name(bdaddr_t *local, bdaddr_t *peer, char *name)
+{
+ char filename[PATH_MAX + 1], addr[18], str[249];
+ int i;
+
+ memset(str, 0, sizeof(str));
+ for (i = 0; i < 248 && name[i]; i++)
+ if ((unsigned char) name[i] < 32 || name[i] == 127)
+ str[i] = '.';
+ else
+ str[i] = name[i];
+
+ create_filename(filename, PATH_MAX, local, "names");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ return textfile_put(filename, addr, str);
+}
+
+int read_device_name(bdaddr_t *local, bdaddr_t *peer, char *name)
+{
+ char filename[PATH_MAX + 1], addr[18], *str;
+ int len;
+
+ create_filename(filename, PATH_MAX, local, "names");
+
+ ba2str(peer, addr);
+ str = textfile_get(filename, addr);
+ if (!str)
+ return -ENOENT;
+
+ len = strlen(str);
+ if (len > 248)
+ str[248] = '\0';
+ strcpy(name, str);
+
+ free(str);
+
+ return 0;
+}
+
+int write_remote_eir(bdaddr_t *local, bdaddr_t *peer, uint8_t *data)
+{
+ char filename[PATH_MAX + 1], addr[18], str[481];
+ int i;
+
+ memset(str, 0, sizeof(str));
+ for (i = 0; i < 240; i++)
+ sprintf(str + (i * 2), "%2.2X", data[i]);
+
+ create_filename(filename, PATH_MAX, local, "eir");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ return textfile_put(filename, addr, str);
+}
+
+int write_l2cap_info(bdaddr_t *local, bdaddr_t *peer,
+ uint16_t mtu_result, uint16_t mtu,
+ uint16_t mask_result, uint32_t mask)
+{
+ char filename[PATH_MAX + 1], addr[18], str[18];
+
+ if (mask_result)
+ snprintf(str, sizeof(str), "%d -1", mtu_result ? -1 : mtu);
+ else
+ snprintf(str, sizeof(str), "%d 0x%08x", mtu_result ? -1 : mtu, mask);
+
+ create_filename(filename, PATH_MAX, local, "l2cap");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ return textfile_put(filename, addr, str);
+}
+
+int read_l2cap_info(bdaddr_t *local, bdaddr_t *peer,
+ uint16_t *mtu_result, uint16_t *mtu,
+ uint16_t *mask_result, uint32_t *mask)
+{
+ char filename[PATH_MAX + 1], addr[18], *str, *space, *msk;
+
+ create_filename(filename, PATH_MAX, local, "l2cap");
+
+ ba2str(peer, addr);
+ str = textfile_get(filename, addr);
+ if (!str)
+ return -ENOENT;
+
+ space = strchr(str, ' ');
+ if (!space) {
+ free(str);
+ return -ENOENT;
+ }
+
+ msk = space + 1;
+ *space = '\0';
+
+ if (mtu_result && mtu) {
+ if (str[0] == '-')
+ *mtu_result = 0x0001;
+ else {
+ *mtu_result = 0;
+ *mtu = (uint16_t) strtol(str, NULL, 0);
+ }
+ }
+
+ if (mask_result && mask) {
+ if (msk[0] == '-')
+ *mask_result = 0x0001;
+ else {
+ *mask_result = 0;
+ *mask = (uint32_t) strtol(msk, NULL, 16);
+ }
+ }
+
+ free(str);
+
+ return 0;
+}
+
+int write_version_info(bdaddr_t *local, bdaddr_t *peer, uint16_t manufacturer, uint8_t lmp_ver, uint16_t lmp_subver)
+{
+ char filename[PATH_MAX + 1], addr[18], str[16];
+
+ memset(str, 0, sizeof(str));
+ sprintf(str, "%d %d %d", manufacturer, lmp_ver, lmp_subver);
+
+ create_filename(filename, PATH_MAX, local, "manufacturers");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ return textfile_put(filename, addr, str);
+}
+
+int write_features_info(bdaddr_t *local, bdaddr_t *peer, unsigned char *features)
+{
+ char filename[PATH_MAX + 1], addr[18], str[17];
+ int i;
+
+ memset(str, 0, sizeof(str));
+ for (i = 0; i < 8; i++)
+ sprintf(str + (i * 2), "%2.2X", features[i]);
+
+ create_filename(filename, PATH_MAX, local, "features");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ return textfile_put(filename, addr, str);
+}
+
+int write_lastseen_info(bdaddr_t *local, bdaddr_t *peer, struct tm *tm)
+{
+ char filename[PATH_MAX + 1], addr[18], str[24];
+
+ memset(str, 0, sizeof(str));
+ strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %Z", tm);
+
+ create_filename(filename, PATH_MAX, local, "lastseen");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ return textfile_put(filename, addr, str);
+}
+
+int write_lastused_info(bdaddr_t *local, bdaddr_t *peer, struct tm *tm)
+{
+ char filename[PATH_MAX + 1], addr[18], str[24];
+
+ memset(str, 0, sizeof(str));
+ strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %Z", tm);
+
+ create_filename(filename, PATH_MAX, local, "lastused");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(peer, addr);
+ return textfile_put(filename, addr, str);
+}
+
+int write_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key, uint8_t type, int length)
+{
+ char filename[PATH_MAX + 1], addr[18], str[38];
+ int i;
+
+ memset(str, 0, sizeof(str));
+ for (i = 0; i < 16; i++)
+ sprintf(str + (i * 2), "%2.2X", key[i]);
+ sprintf(str + 32, " %d %d", type, length);
+
+ create_filename(filename, PATH_MAX, local, "linkkeys");
+
+ create_file(filename, S_IRUSR | S_IWUSR);
+
+ ba2str(peer, addr);
+
+ if (length < 0) {
+ char *tmp = textfile_get(filename, addr);
+ if (tmp) {
+ if (strlen(tmp) > 34)
+ memcpy(str + 34, tmp + 34, 3);
+ free(tmp);
+ }
+ }
+
+ return textfile_put(filename, addr, str);
+}
+
+int read_link_key(bdaddr_t *local, bdaddr_t *peer, unsigned char *key, uint8_t *type)
+{
+ char filename[PATH_MAX + 1], addr[18], tmp[3], *str;
+ int i;
+
+ create_filename(filename, PATH_MAX, local, "linkkeys");
+
+ ba2str(peer, addr);
+ str = textfile_get(filename, addr);
+ if (!str)
+ return -ENOENT;
+
+ memset(tmp, 0, sizeof(tmp));
+ for (i = 0; i < 16; i++) {
+ memcpy(tmp, str + (i * 2), 2);
+ key[i] = (uint8_t) strtol(tmp, NULL, 16);
+ }
+
+ if (type) {
+ memcpy(tmp, str + 33, 2);
+ *type = (uint8_t) strtol(tmp, NULL, 10);
+ }
+
+ free(str);
+
+ return 0;
+}
+
+int read_pin_length(bdaddr_t *local, bdaddr_t *peer)
+{
+ char filename[PATH_MAX + 1], addr[18], *str;
+ int len;
+
+ create_filename(filename, PATH_MAX, local, "linkkeys");
+
+ ba2str(peer, addr);
+ str = textfile_get(filename, addr);
+ if (!str)
+ return -ENOENT;
+
+ if (strlen(str) < 36) {
+ free(str);
+ return -ENOENT;
+ }
+
+ len = atoi(str + 35);
+
+ free(str);
+
+ return len;
+}
+
+int read_pin_code(bdaddr_t *local, bdaddr_t *peer, char *pin)
+{
+ char filename[PATH_MAX + 1], addr[18], *str;
+ int len;
+
+ create_filename(filename, PATH_MAX, local, "pincodes");
+
+ ba2str(peer, addr);
+ str = textfile_get(filename, addr);
+ if (!str)
+ return -ENOENT;
+
+ strncpy(pin, str, 16);
+ len = strlen(pin);
+
+ free(str);
+
+ return len;
+}
+
+static GSList *service_string_to_list(char *services)
+{
+ GSList *l = NULL;
+ char *start = services;
+ int i, finished = 0;
+
+ for (i = 0; !finished; i++) {
+ if (services[i] == '\0')
+ finished = 1;
+
+ if (services[i] == ' ' || services[i] == '\0') {
+ services[i] = '\0';
+ l = g_slist_append(l, start);
+ start = services + i + 1;
+ }
+ }
+
+ return l;
+}
+
+static char *service_list_to_string(GSList *services)
+{
+ char str[1024];
+ int len = 0;
+
+ if (!services)
+ return g_strdup("");
+
+ memset(str, 0, sizeof(str));
+
+ while (services) {
+ int ret;
+ char *ident = services->data;
+
+ ret = snprintf(str + len, sizeof(str) - len - 1, "%s%s",
+ ident, services->next ? " " : "");
+
+ if (ret > 0)
+ len += ret;
+
+ services = services->next;
+ }
+
+ return g_strdup(str);
+}
+
+int write_trust(bdaddr_t *local, const char *addr, const char *service,
+ gboolean trust)
+{
+ char filename[PATH_MAX + 1], *str;
+ GSList *services = NULL, *match;
+ gboolean trusted;
+ int ret;
+
+ create_filename(filename, PATH_MAX, local, "trusts");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ str = textfile_caseget(filename, addr);
+ if (str)
+ services = service_string_to_list(str);
+
+ match = g_slist_find_custom(services, service, (GCompareFunc) strcmp);
+ trusted = match ? TRUE : FALSE;
+
+ /* If the old setting is the same as the requested one, we're done */
+ if (trusted == trust) {
+ g_slist_free(services);
+ if (str)
+ free(str);
+ return 0;
+ }
+
+ if (trust)
+ services = g_slist_append(services, (void *) service);
+ else
+ services = g_slist_remove(services, match->data);
+
+ /* Remove the entry if the last trusted service was removed */
+ if (!trust && !services)
+ ret = textfile_casedel(filename, addr);
+ else {
+ char *new_str = service_list_to_string(services);
+ ret = textfile_caseput(filename, addr, new_str);
+ free(new_str);
+ }
+
+ g_slist_free(services);
+
+ if (str)
+ free(str);
+
+ return ret;
+}
+
+gboolean read_trust(const bdaddr_t *local, const char *addr, const char *service)
+{
+ char filename[PATH_MAX + 1], *str;
+ GSList *services;
+ gboolean ret;
+
+ create_filename(filename, PATH_MAX, local, "trusts");
+
+ str = textfile_caseget(filename, addr);
+ if (!str)
+ return FALSE;
+
+ services = service_string_to_list(str);
+
+ if (g_slist_find_custom(services, service, (GCompareFunc) strcmp))
+ ret = TRUE;
+ else
+ ret = FALSE;
+
+ g_slist_free(services);
+ free(str);
+
+ return ret;
+}
+
+struct trust_list {
+ GSList *trusts;
+ const char *service;
+};
+
+static void append_trust(char *key, char *value, void *data)
+{
+ struct trust_list *list = data;
+
+ if (strstr(value, list->service))
+ list->trusts = g_slist_append(list->trusts, g_strdup(key));
+}
+
+GSList *list_trusts(bdaddr_t *local, const char *service)
+{
+ char filename[PATH_MAX + 1];
+ struct trust_list list;
+
+ create_filename(filename, PATH_MAX, local, "trusts");
+
+ list.trusts = NULL;
+ list.service = service;
+
+ if (textfile_foreach(filename, append_trust, &list) < 0)
+ return NULL;
+
+ return list.trusts;
+}
+
+int write_device_profiles(bdaddr_t *src, bdaddr_t *dst, const char *profiles)
+{
+ char filename[PATH_MAX + 1], addr[18];
+
+ if (!profiles)
+ return -EINVAL;
+
+ create_filename(filename, PATH_MAX, src, "profiles");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ ba2str(dst, addr);
+ return textfile_put(filename, addr, profiles);
+}
+
+int delete_entry(bdaddr_t *src, const char *storage, const char *key)
+{
+ char filename[PATH_MAX + 1];
+
+ create_filename(filename, PATH_MAX, src, storage);
+
+ return textfile_del(filename, key);
+}
+
+int store_record(const gchar *src, const gchar *dst, sdp_record_t *rec)
+{
+ char filename[PATH_MAX + 1], key[28];
+ sdp_buf_t buf;
+ int err, size, i;
+ char *pdata, *str;
+
+ create_name(filename, PATH_MAX, STORAGEDIR, src, "sdp");
+
+ create_file(filename, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+
+ snprintf(key, sizeof(key), "%17s#%08X", dst, rec->handle);
+
+ if (sdp_gen_record_pdu(rec, &buf) < 0)
+ return -1;
+
+ pdata = (char *)buf.data;
+ size = buf.data_size;
+
+ str = g_malloc0(size*2+1);
+
+ for (i = 0; i < size; i++)
+ sprintf(str + (i * 2), "%02X", buf.data[i]);
+
+ err = textfile_put(filename, key, str);
+
+ free(buf.data);
+ free(str);
+
+ return err;
+}
+
+sdp_record_t *fetch_record(const gchar *src, const gchar *dst, const uint32_t handle)
+{
+ char filename[PATH_MAX + 1], key[28], tmp[3],*str;
+ sdp_record_t *rec;
+ int size, i, len;
+ uint8_t *pdata;
+
+ create_name(filename, PATH_MAX, STORAGEDIR, src, "sdp");
+
+ snprintf(key, sizeof(key), "%17s#%08X", dst, handle);
+
+ str = textfile_get(filename, key);
+
+ if (!str)
+ return NULL;
+
+ size = strlen(str)/2;
+ pdata = g_malloc0(size);
+
+ for (i = 0; i < size; i++) {
+ memcpy(tmp, str + (i*2), 2);
+ pdata[i] = (uint8_t) strtol(tmp, NULL, 16);
+ }
+
+ rec = sdp_extract_pdu(pdata, &len);
+
+ free(str);
+ free(pdata);
+
+ return rec;
+}
+
+int delete_record(const gchar *src, const gchar *dst, const uint32_t handle)
+{
+ char filename[PATH_MAX + 1], key[28];
+
+ create_name(filename, PATH_MAX, STORAGEDIR, src, "sdp");
+
+ snprintf(key, sizeof(key), "%17s#%08X", dst, handle);
+
+ return textfile_del(filename, key);
+}