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https://github.com/asterisk/asterisk.git
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Version 0.1.11 from FTP
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@419 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
211
config.c
211
config.c
@@ -21,6 +21,8 @@
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#include <asterisk/logger.h>
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#include "asterisk.h"
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#define MAX_INCLUDE_LEVEL 10
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struct ast_category {
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char name[80];
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struct ast_variable *root;
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@@ -150,15 +152,119 @@ int ast_category_exist(struct ast_config *config, char *category_name)
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return 0;
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}
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struct ast_config *ast_load(char *configfile)
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static struct ast_config *__ast_load(char *configfile, struct ast_config *tmp, struct ast_category **_tmpc, struct ast_variable **_last, int includelevel);
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static int cfg_process(struct ast_config *tmp, struct ast_category **_tmpc, struct ast_variable **_last, char *buf, int lineno, char *configfile, int includelevel)
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{
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char *c;
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char *cur;
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struct ast_variable *v;
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/* Strip off lines using ; as comment */
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c = strchr(buf, ';');
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if (c)
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*c = '\0';
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cur = strip(buf);
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if (strlen(cur)) {
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/* Actually parse the entry */
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if (cur[0] == '[') {
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/* A category header */
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c = strchr(cur, ']');
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if (c) {
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*c = 0;
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*_tmpc = malloc(sizeof(struct ast_category));
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if (!*_tmpc) {
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ast_destroy(tmp);
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ast_log(LOG_WARNING,
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"Out of memory, line %d\n", lineno);
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return -1;
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}
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strncpy((*_tmpc)->name, cur+1, sizeof((*_tmpc)->name) - 1);
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(*_tmpc)->root = NULL;
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(*_tmpc)->next = tmp->root;
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tmp->root = *_tmpc;
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*_last = NULL;
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} else {
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ast_log(LOG_WARNING,
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"parse error: no closing ']', line %d of %s\n", lineno, configfile);
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}
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} else if (cur[0] == '#') {
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/* A directive */
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cur++;
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c = cur;
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while(*c && (*c > 32)) c++;
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if (*c) {
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*c = '\0';
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c++;
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/* Find real argument */
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while(*c && (*c < 33)) c++;
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if (!*c)
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c = NULL;
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} else
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c = NULL;
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if (!strcasecmp(cur, "include")) {
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/* A #include */
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if (c) {
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while((*c == '<') || (*c == '>') || (*c == '\"')) c++;
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/* Get rid of leading mess */
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cur = c;
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while(strlen(cur)) {
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c = cur + strlen(cur) - 1;
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if ((*c == '>') || (*c == '<') || (*c == '\"'))
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*c = '\0';
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else
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break;
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}
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if (includelevel < MAX_INCLUDE_LEVEL) {
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__ast_load(cur, tmp, _tmpc, _last, includelevel + 1);
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} else
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ast_log(LOG_WARNING, "Maximum Include level (%d) exceeded\n", includelevel);
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} else
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ast_log(LOG_WARNING, "Directive '#include' needs an argument (filename) at line %d of %s\n", lineno, configfile);
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/* Strip off leading and trailing "'s and <>'s */
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} else
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ast_log(LOG_WARNING, "Unknown directive '%s' at line %d of %s\n", cur, lineno, configfile);
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} else {
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/* Just a line (variable = value) */
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if (!*_tmpc) {
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ast_log(LOG_WARNING,
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"parse error: No category context for line %d of %s\n", lineno, configfile);
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}
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c = strchr(cur, '=');
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if (c) {
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*c = 0;
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c++;
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/* Ignore > in => */
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if (*c== '>')
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c++;
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v = malloc(sizeof(struct ast_variable));
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if (v) {
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v->next = NULL;
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v->name = strdup(strip(cur));
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v->value = strdup(strip(c));
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v->lineno = lineno;
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if (*_last)
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(*_last)->next = v;
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else
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(*_tmpc)->root = v;
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*_last = v;
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} else {
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ast_destroy(tmp);
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ast_log(LOG_WARNING, "Out of memory, line %d\n", lineno);
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return -1;
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}
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} else {
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ast_log(LOG_WARNING, "No '=' (equal sign) in line %d of %s\n", lineno, configfile);
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}
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}
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}
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return 0;
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}
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static struct ast_config *__ast_load(char *configfile, struct ast_config *tmp, struct ast_category **_tmpc, struct ast_variable **_last, int includelevel)
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{
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char fn[256];
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char buf[256];
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struct ast_config *tmp=NULL;
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struct ast_category *tmpc=NULL;
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struct ast_variable *v, *last=NULL;
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FILE *f;
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char *c, *cur;
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int lineno=0;
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if (configfile[0] == '/') {
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@@ -175,96 +281,22 @@ struct ast_config *ast_load(char *configfile)
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ast_log(LOG_DEBUG, "Parsing %s\n", fn);
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else if (option_verbose > 1)
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ast_verbose( "Found\n");
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tmp = malloc(sizeof(struct ast_config));
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if (!tmp) {
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tmp = malloc(sizeof(struct ast_config));
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tmp->root = NULL;
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}
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if (!tmp) {
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ast_log(LOG_WARNING, "Out of memory\n");
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fclose(f);
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return NULL;
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}
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tmp->root = NULL;
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while(!feof(f)) {
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fgets(buf, sizeof(buf), f);
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lineno++;
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if (!feof(f)) {
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/* Strip off lines using ; as comment */
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c = strchr(buf, ';');
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if (c)
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*c = '\0';
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cur = strip(buf);
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if (strlen(cur)) {
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/* Actually parse the entry */
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if (cur[0] == '[') {
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/* A category header */
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c = strchr(cur, ']');
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if (c) {
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*c = 0;
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#if 0
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/*
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* Check category duplicity before structure
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* allocation
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*/
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if (ast_category_exist(tmp,cur+1)) {
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ast_destroy(tmp);
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ast_log(LOG_WARNING,
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"Found duplicit category [%s] in "
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"file %s line %d\n",
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cur+1,configfile,lineno);
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fclose(f);
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return NULL;
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}
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#endif
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tmpc = malloc(sizeof(struct ast_category));
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if (!tmpc) {
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ast_destroy(tmp);
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ast_log(LOG_WARNING,
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"Out of memory, line %d\n", lineno);
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fclose(f);
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return NULL;
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}
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strncpy(tmpc->name, cur+1, sizeof(tmpc->name)-1);
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tmpc->root = NULL;
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tmpc->next = tmp->root;
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tmp->root = tmpc;
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last = NULL;
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} else {
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ast_log(LOG_WARNING,
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"parse error: no closing ']', line %d\n", lineno);
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}
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} else {
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/* Just a line (variable = value) */
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if (!tmpc) {
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ast_log(LOG_WARNING,
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"parse error: No category context for line %d\n", lineno);
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}
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c = strchr(cur, '=');
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if (c) {
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*c = 0;
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c++;
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/* Ignore > in => */
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if (*c== '>')
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c++;
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v = malloc(sizeof(struct ast_variable));
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if (v) {
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v->next = NULL;
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v->name = strdup(strip(cur));
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v->value = strdup(strip(c));
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v->lineno = lineno;
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if (last)
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last->next = v;
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else
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tmpc->root = v;
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last = v;
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} else {
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ast_destroy(tmp);
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ast_log(LOG_WARNING, "Out of memory, line %d\n", lineno);
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fclose(f);
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return NULL;
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}
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} else {
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ast_log(LOG_WARNING, "No '=' (equal sign) in line %d of %s\n", lineno, configfile);
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}
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}
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if (cfg_process(tmp, _tmpc, _last, buf, lineno, configfile, includelevel)) {
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fclose(f);
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return NULL;
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}
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}
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}
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@@ -278,6 +310,13 @@ struct ast_config *ast_load(char *configfile)
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return tmp;
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}
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struct ast_config *ast_load(char *configfile)
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{
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struct ast_category *tmpc=NULL;
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struct ast_variable *last = NULL;
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return __ast_load(configfile, NULL, &tmpc, &last, 0);
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}
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char *ast_category_browse(struct ast_config *config, char *prev)
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{
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struct ast_category *cat;
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