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Diffstat (limited to 'src/parser.y')
| -rw-r--r-- | src/parser.y | 360 |
1 files changed, 360 insertions, 0 deletions
diff --git a/src/parser.y b/src/parser.y new file mode 100644 index 00000000..c8b9a12d --- /dev/null +++ b/src/parser.y @@ -0,0 +1,360 @@ +%{ +/* + * + * 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 <stdlib.h> +#include <string.h> +#include <stdarg.h> + +#include <sys/socket.h> +#include <asm/types.h> + +#include <glib.h> + +#include <bluetooth/bluetooth.h> +#include <bluetooth/hci.h> +#include <bluetooth/hci_lib.h> + +#include "hcid.h" +#include "kword.h" + +int cfg_error(const char *fmt, ...); + +int yyparse(void); +int yylex(void); +int yyerror(char *s); + +void yylex_destroy(void); + +%} + +%union { + char *str; + long num; +} + +%token K_OPTIONS K_DEVICE +%token K_AUTOINIT K_SECURITY K_PAIRING K_OFFMODE K_DEVICEID +%token K_PTYPE K_NAME K_CLASS K_VOICE K_PAGETO K_LM K_LP K_ISCAN K_PSCAN K_DISCOVTO +%token K_PASSKEY +%token K_YES K_NO + +%token <str> WORD PATH STRING LIST HCI BDADDR ID +%token <num> NUM + +%type <num> bool pkt_type link_mode link_policy sec_mode pair_mode off_mode +%type <str> dev_name dev_id hci bdaddr + +%% +config: statement | config statement; +statement: + K_OPTIONS hcid_options + + | device device_options + + | WORD { + cfg_error("Invalid statement '%s'", $1); + } + + | error { + yyclearin; yyerrok; + } + ; + +device: + K_DEVICE { + parser_device = &default_device; + } + + | K_DEVICE hci { + parser_device = alloc_device_opts($2); + } + + | K_DEVICE bdaddr { + parser_device = alloc_device_opts($2); + } + ; + +hcid_options: '{' hcid_opts '}'; +hcid_opts: | hcid_opt ';' | error ';' | hcid_opts hcid_opt ';'; +hcid_opt: + K_AUTOINIT bool { + hcid.auto_init = $2; + } + + | K_SECURITY sec_mode { + hcid.security = $2; + } + + | K_PAIRING pair_mode { + hcid.pairing = $2; + } + + | K_OFFMODE off_mode { + hcid.offmode = $2; + } + + | K_DEVICEID dev_id { + strncpy((char *) hcid.deviceid, $2, 15); + } + + | K_PASSKEY STRING { + strncpy((char *) hcid.pin_code, $2, 16); + hcid.pin_len = strlen($2); + if (hcid.pin_len > 16) + hcid.pin_len = 16; + } + + + | WORD { + cfg_error("Unknown option '%s'", $1); + } + ; + +sec_mode: + WORD { + int opt = find_keyword(sec_param, $1); + if (opt < 0) { + cfg_error("Unknown security mode '%s'", $1); + $$ = 0; + } else + $$ = opt; + } + + | K_NO { + $$ = HCID_SEC_NONE; + } + ; + +pair_mode: + WORD { + int opt = find_keyword(pair_param, $1); + if (opt < 0) { + cfg_error("Unknown pairing mode '%s'", $1); + $$ = 0; + } else + $$ = opt; + } + ; + +off_mode: + WORD { + int opt = find_keyword(off_param, $1); + if (opt < 0) { + cfg_error("Unknown off mode '%s'", $1); + $$ = 0; + } else + $$ = opt; + } + ; + +dev_id: + ID { + } + ; + +device_options: '{' device_opts '}'; +device_opts: | device_opt ';' | error ';' | device_opts device_opt ';'; +device_opt: + K_PTYPE pkt_type { + parser_device->flags |= (1 << HCID_SET_PTYPE); + parser_device->pkt_type = $2; + } + + | K_LM link_mode { + parser_device->flags |= (1 << HCID_SET_LM); + parser_device->link_mode = $2; + } + + | K_LP link_policy { + parser_device->flags |= (1 << HCID_SET_LP); + parser_device->link_policy = $2; + } + + | K_NAME dev_name { + if (parser_device->name) + g_free(parser_device->name); + parser_device->flags |= (1 << HCID_SET_NAME); + parser_device->name = g_strdup($2); + } + + | K_CLASS NUM { + parser_device->flags |= (1 << HCID_SET_CLASS); + parser_device->class = $2; + } + + | K_VOICE NUM { + parser_device->flags |= (1 << HCID_SET_VOICE); + parser_device->voice = $2; + } + + | K_PAGETO NUM { + parser_device->flags |= (1 << HCID_SET_PAGETO); + parser_device->pageto = $2; + } + + | K_DISCOVTO NUM { + parser_device->flags |= (1 << HCID_SET_DISCOVTO); + parser_device->discovto = $2; + } + + | K_ISCAN bool { + if ($2) + parser_device->scan |= SCAN_INQUIRY; + else + parser_device->scan &= ~SCAN_INQUIRY; + } + + | K_PSCAN bool { + if ($2) + parser_device->scan |= SCAN_PAGE; + else + parser_device->scan &= ~SCAN_PAGE; + } + + | WORD { + cfg_error("Unknown option '%s'",$1); + YYABORT; + } + ; + +dev_name: + WORD { + $$ = $1; + } + + | STRING { + $$ = $1; + } + ; + +hci: + HCI { + $$ = $1; + } + ; + +bdaddr: + BDADDR { + $$ = $1; + } + ; + +pkt_type: + WORD { + unsigned int opt; + if (!hci_strtoptype($1, &opt)) + cfg_error("Unknown packet type '%s'", $1); + $$ = opt; + } + + | LIST { + unsigned int opt; + if (!hci_strtoptype($1, &opt)) + cfg_error("Unknown packet type '%s'", $1); + $$ = opt; + } + ; + +link_mode: + WORD { + unsigned int opt; + if (!hci_strtolm($1, &opt)) + cfg_error("Unknown link mode '%s'", $1); + $$ = opt; + } + + | LIST { + unsigned int opt; + if (!hci_strtolm($1, &opt)) + cfg_error("Unknown link mode '%s'", $1); + $$ = opt; + } + ; + +link_policy: + WORD { + unsigned int opt; + if (!hci_strtolp($1, &opt)) + cfg_error("Unknown link policy '%s'", $1); + $$ = opt; + } + + | LIST { + unsigned int opt; + if (!hci_strtolp($1, &opt)) + cfg_error("Unknown link policy '%s'", $1); + $$ = opt; + } + ; + +bool: K_YES { $$ = 1; } | K_NO { $$ = 0; }; + +%% + +int yyerror(char *s) +{ + error("%s line %d", s, lineno); + return 0; +} + +int cfg_error(const char *fmt, ...) +{ + char buf[255]; + va_list ap; + + va_start(ap, fmt); + vsnprintf(buf,sizeof(buf),fmt,ap); + va_end(ap); + + yyerror(buf); + return 0; +} + +/* + * Read config file. + */ +int read_config(char *file) +{ + extern FILE *yyin; + + if (!(yyin = fopen(file, "r"))) { + error("Can't open config file %s", file); + return -1; + } + + lineno = 1; + yyparse(); + + fclose(yyin); + + return 0; +} |