mirror of
https://github.com/signalwire/freeswitch.git
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Linux renaming from openzap to freetdm
git-svn-id: http://svn.openzap.org/svn/openzap/branches/sangoma_boost@967 a93c3328-9c30-0410-af19-c9cd2b2d52af
This commit is contained in:
Moises Silva
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/*
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* Copyright (c) 2007, Anthony Minessale II
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of the original author; nor the names of any contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "freetdm.h"
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#include "ftdm_config.h"
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int ftdm_config_open_file(ftdm_config_t *cfg, const char *file_path)
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{
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FILE *f;
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const char *path = NULL;
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char path_buf[1024];
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if (file_path[0] == '/') {
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path = file_path;
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} else {
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snprintf(path_buf, sizeof(path_buf), "%s%s%s", FTDM_CONFIG_DIR, FTDM_PATH_SEPARATOR, file_path);
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path = path_buf;
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}
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if (!path) {
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return 0;
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}
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memset(cfg, 0, sizeof(*cfg));
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cfg->lockto = -1;
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ftdm_log(FTDM_LOG_DEBUG, "Configuration file is %s.\n", path);
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f = fopen(path, "r");
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if (!f) {
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if (file_path[0] != '/') {
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int last = -1;
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char *var, *val;
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snprintf(path_buf, sizeof(path_buf), "%s%sfreetdm.conf", FTDM_CONFIG_DIR, FTDM_PATH_SEPARATOR);
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path = path_buf;
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if ((f = fopen(path, "r")) == 0) {
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return 0;
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}
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cfg->file = f;
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ftdm_set_string(cfg->path, path);
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while (ftdm_config_next_pair(cfg, &var, &val)) {
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if ((cfg->sectno != last) && !strcmp(cfg->section, file_path)) {
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cfg->lockto = cfg->sectno;
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return 1;
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}
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}
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ftdm_config_close_file(cfg);
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memset(cfg, 0, sizeof(*cfg));
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return 0;
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}
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return 0;
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} else {
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cfg->file = f;
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ftdm_set_string(cfg->path, path);
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return 1;
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}
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}
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void ftdm_config_close_file(ftdm_config_t *cfg)
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{
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if (cfg->file) {
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fclose(cfg->file);
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}
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memset(cfg, 0, sizeof(*cfg));
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}
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int ftdm_config_next_pair(ftdm_config_t *cfg, char **var, char **val)
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{
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int ret = 0;
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char *p, *end;
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*var = *val = NULL;
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if (!cfg->path) {
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return 0;
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}
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for (;;) {
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cfg->lineno++;
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if (!fgets(cfg->buf, sizeof(cfg->buf), cfg->file)) {
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ret = 0;
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break;
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}
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*var = cfg->buf;
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if (**var == '[' && (end = strchr(*var, ']')) != 0) {
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*end = '\0';
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(*var)++;
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if (**var == '+') {
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(*var)++;
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ftdm_copy_string(cfg->section, *var, sizeof(cfg->section));
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cfg->sectno++;
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if (cfg->lockto > -1 && cfg->sectno != cfg->lockto) {
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break;
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}
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cfg->catno = 0;
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cfg->lineno = 0;
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*var = (char *) "";
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*val = (char *) "";
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return 1;
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} else {
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ftdm_copy_string(cfg->category, *var, sizeof(cfg->category));
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cfg->catno++;
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}
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continue;
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}
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if (**var == '#' || **var == ';' || **var == '\n' || **var == '\r') {
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continue;
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}
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if (!strncmp(*var, "__END__", 7)) {
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break;
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}
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if ((end = strchr(*var, ';')) && *(end+1) == *end) {
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*end = '\0';
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end--;
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} else if ((end = strchr(*var, '\n')) != 0) {
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if (*(end - 1) == '\r') {
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end--;
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}
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*end = '\0';
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}
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p = *var;
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while ((*p == ' ' || *p == '\t') && p != end) {
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*p = '\0';
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p++;
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}
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*var = p;
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if ((*val = strchr(*var, '=')) == 0) {
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ret = -1;
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/* log_printf(0, server.log, "Invalid syntax on %s: line %d\n", cfg->path, cfg->lineno); */
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continue;
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} else {
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p = *val - 1;
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*(*val) = '\0';
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(*val)++;
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if (*(*val) == '>') {
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*(*val) = '\0';
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(*val)++;
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}
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while ((*p == ' ' || *p == '\t') && p != *var) {
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*p = '\0';
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p--;
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}
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p = *val;
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while ((*p == ' ' || *p == '\t') && p != end) {
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*p = '\0';
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p++;
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}
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*val = p;
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ret = 1;
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break;
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}
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}
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return ret;
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}
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FT_DECLARE (int) ftdm_config_get_cas_bits(char *strvalue, unsigned char *outbits)
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{
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char cas_bits[5];
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unsigned char bit = 0x8;
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int x = 0;
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char *double_colon = strchr(strvalue, ':');
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if (!double_colon) {
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ftdm_log(FTDM_LOG_ERROR, "No CAS bits specified: %s, :xxxx definition expected, where x is 1 or 0\n", strvalue);
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return -1;
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}
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double_colon++;
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*outbits = 0;
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cas_bits[4] = 0;
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if (sscanf(double_colon, "%c%c%c%c", &cas_bits[0], &cas_bits[1], &cas_bits[2], &cas_bits[3]) != 4) {
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ftdm_log(FTDM_LOG_ERROR, "Invalid CAS bits specified: '%s', :xxxx definition expected, where x is 1 or 0\n", double_colon);
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return -1;
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}
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ftdm_log(FTDM_LOG_DEBUG, "CAS bits specification found: %s\n", cas_bits);
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for (; cas_bits[x]; x++) {
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if ('1' == cas_bits[x]) {
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*outbits |= bit;
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} else if ('0' != cas_bits[x]) {
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ftdm_log(FTDM_LOG_ERROR, "Invalid CAS pattern specified: %s, just 0 or 1 allowed for each bit\n");
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return -1;
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}
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bit >>= 1;
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}
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return 0;
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}
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4:
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*/
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