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freeswitch_rs/include/switch_config.c

211 lines
4.3 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
*
*
* switch_config.c -- Configuration File Parser
*
*/
#include <switch.h>
#include <switch_config.h>
SWITCH_DECLARE(int) switch_config_open_file(switch_config_t *cfg, char *file_path)
{
FILE *f;
char *path = NULL;
char path_buf[1024];
if (!file_path) {
return 0;
}
if (switch_is_file_path(file_path)) {
path = file_path;
} else {
switch_snprintf(path_buf, sizeof(path_buf), "%s%s%s", SWITCH_GLOBAL_dirs.conf_dir, SWITCH_PATH_SEPARATOR, file_path);
path = path_buf;
}
memset(cfg, 0, sizeof(*cfg));
cfg->lockto = -1;
if (!(f = fopen(path, "r"))) {
if (!switch_is_file_path(file_path)) {
int last = -1;
char *var, *val;
switch_snprintf(path_buf, sizeof(path_buf), "%s%sfreeswitch.conf", SWITCH_GLOBAL_dirs.conf_dir, SWITCH_PATH_SEPARATOR);
path = path_buf;
if ((f = fopen(path, "r")) == 0) {
return 0;
}
cfg->file = f;
switch_set_string(cfg->path, path);
while (switch_config_next_pair(cfg, &var, &val)) {
if ((cfg->sectno != last) && !strcmp(cfg->section, file_path)) {
cfg->lockto = cfg->sectno;
return 1;
}
}
switch_config_close_file(cfg);
memset(cfg, 0, sizeof(*cfg));
return 0;
}
return 0;
} else {
cfg->file = f;
switch_set_string(cfg->path, path);
return 1;
}
}
SWITCH_DECLARE(void) switch_config_close_file(switch_config_t *cfg)
{
if (cfg->file) {
fclose(cfg->file);
}
memset(cfg, 0, sizeof(*cfg));
}
SWITCH_DECLARE(int) switch_config_next_pair(switch_config_t *cfg, char **var, char **val)
{
int ret = 0;
char *p, *end;
*var = *val = NULL;
if ( !cfg->path[0] ){
return 0;
}
for (;;) {
cfg->lineno++;
if (!fgets(cfg->buf, sizeof(cfg->buf), cfg->file)) {
ret = 0;
break;
}
*var = cfg->buf;
if (**var == '[' && (end = strchr(*var, ']')) != 0) {
*end = '\0';
(*var)++;
if (**var == '+') {
(*var)++;
switch_copy_string(cfg->section, *var, sizeof(cfg->section));
cfg->sectno++;
if (cfg->lockto > -1 && cfg->sectno != cfg->lockto) {
break;
}
cfg->catno = 0;
cfg->lineno = 0;
*var = "";
*val = "";
return 1;
} else {
switch_copy_string(cfg->category, *var, sizeof(cfg->category));
cfg->catno++;
}
continue;
}
if (**var == '#' || **var == ';' || **var == '\n' || **var == '\r') {
continue;
}
if (!strncmp(*var, "__END__", 7)) {
break;
}
if ((end = strchr(*var, '#')) != 0 || (end = strchr(*var, ';')) != 0) {
*end = '\0';
end--;
} else if ((end = strchr(*var, '\n')) != 0) {
if (*(end - 1) == '\r') {
end--;
}
*end = '\0';
}
p = *var;
while ((*p == ' ' || *p == '\t') && p != end) {
*p = '\0';
p++;
}
*var = p;
if ((*val = strchr(*var, '=')) == 0) {
ret = -1;
/* log_printf(0, server.log, "Invalid syntax on %s: line %d\n", cfg->path, cfg->lineno); */
continue;
} else {
p = *val - 1;
*(*val) = '\0';
(*val)++;
if (*(*val) == '>') {
*(*val) = '\0';
(*val)++;
}
while ((*p == ' ' || *p == '\t') && p != *var) {
*p = '\0';
p--;
}
p = *val;
while ((*p == ' ' || *p == '\t') && p != end) {
*p = '\0';
p++;
}
*val = p;
ret = 1;
break;
}
}
return ret;
}
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:t
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
*/