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asterisk
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Version 0.1.11 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@419 65c4cc65-6c06-0410-ace0-fbb531ad65f3
1.0
Mark Spencer 24 years ago
parent 5f53621223
commit 51a5499532
1 changed files with 125 additions and 86 deletions
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211
config.c
Unescape View File

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

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