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/* Asterisk Manager Proxy
Copyright (c) 2005-2008 David C. Troy <dave@popvox.com>
This program is free software, distributed under the terms of
the GNU General Public License.
config_perms.c
routines to read and parse the astmanproxy.users file
*/
#include "astmanproxy.h"
extern pthread_mutex_t userslock;
void *free_userperm(struct proxy_user *pu) {
struct proxy_user *next_pu;
while( pu ) {
next_pu = pu->next;
free( pu );
pu = next_pu;
}
return 0;
}
void *add_userperm(char* username, char *userspec, struct proxy_user **pu) {
int ccount = 0;
struct proxy_user *user;
char *s;
/* malloc ourselves a server credentials structure */
user = malloc(sizeof(struct proxy_user));
if ( !user ) {
fprintf(stderr, "Failed to allocate user credentials: %s\n", strerror(errno));
exit(1);
}
memset(user, 0, sizeof (struct proxy_user) );
s = userspec;
strncpy(user->username, username, sizeof(user->username)-1 );
do {
if ( *s == ',' ) {
ccount++;
continue;
}
switch(ccount) {
case 0:
strncat(user->secret, s, 1);
break;
case 1:
strncat(user->channel, s, 1);
break;
case 2:
strncat(user->ocontext, s, 1);
break;
case 3:
strncat(user->icontext, s, 1);
break;
}
} while (*(s++));
user->next = *pu;
*pu = user;
return 0;
}
void *processperm(char *s, struct proxy_user **pu) {
char name[80],value[80];
int nvstate = 0;
memset (name,0,sizeof name);
memset (value,0,sizeof value);
do {
*s = tolower(*s);
if ( *s == ' ' || *s == '\t')
continue;
if ( *s == ';' || *s == '#' || *s == '\r' || *s == '\n' )
break;
if ( *s == '=' ) {
nvstate = 1;
continue;
}
if (!nvstate)
strncat(name, s, 1);
else
strncat(value, s, 1);
} while (*(s++));
if (debug)
debugmsg("perm: %s, %s", name, value);
add_userperm(name,value,pu);
return 0;
}
int ReadPerms() {
FILE *FP;
char buf[1024];
char cfn[80];
struct proxy_user *pu;
pu=0;
sprintf(cfn, "%s/%s", PDIR, PFILE);
FP = fopen( cfn, "r" );
if ( !FP )
{
fprintf(stderr, "Unable to open permissions file: %s/%s!\n", PDIR, PFILE);
exit( 1 );
}
if (debug)
debugmsg("config: parsing configuration file: %s", cfn);
while ( fgets( buf, sizeof buf, FP ) ) {
if (*buf == ';' || *buf == '\r' || *buf == '\n' || *buf == '#') continue;
processperm(buf,&pu);
}
fclose(FP);
pthread_mutex_lock(&userslock);
free_userperm(pc.userlist);
pc.userlist=pu;
pthread_mutex_unlock(&userslock);
return 0;
}
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