/*! \brief checks if the proto: host:port is one of the address we listen on
*
* if port==0, the port number is ignored
* if proto==0 (PROTO_NONE) the protocol is ignored
* returns 1 if true, 0 if false, -1 on error
* WARNING: uses str2ip6 so it will overwrite any previous
* unsaved result of this function (static buffer)
*/
int check_self(str* host, unsigned short port, unsigned short proto)
{
grep_aliases(host->s, host->len, port, proto);
if (grep_sock_info(host, port, proto)) goto found;
/* try to look into the aliases*/
if (grep_aliases(host->s, host->len, port, proto)==0){
LM_DBG("host != me\n");
return 1;
}
found:
return 1;
}
/* adds an alias to the list (only if it isn't already there)
* if port==0, the alias will match all the ports
* if proto==0, the alias will match all the protocols
* returns 1 if a new alias was added, 0 if a matching alias was already on
* the list and -1 on error */
int add_alias(char* name, int len, unsigned short port, unsigned short proto)
{
struct host_alias* a;
if ((port) && (proto)){
/* don't add if there is already an alias matching it */
if (grep_aliases(name,len, port, proto)) return 0;
}else{
/* don't add if already in the list with port or proto ==0*/
for(a=aliases;a;a=a->next)
if ((a->alias.len==len) && (a->port==port) && (a->proto==proto) &&
(strncasecmp(a->alias.s, name, len)==0))
return 0;
}
a=(struct host_alias*)pkg_malloc(sizeof(struct host_alias));
if(a==0) goto error;
a->alias.s=(char*)pkg_malloc(len+1);
if (a->alias.s==0) goto error;
a->alias.len=len;
memcpy(a->alias.s, name, len);
a->alias.s[len]=0; /* null terminate for easier printing*/
a->port=port;
a->proto=proto;
a->next=aliases;
aliases=a;
return 1;
error:
LM_ERR("pkg memory allocation error\n");
if (a) pkg_free(a);
return -1;
}
/* checks if the proto: host:port is one of the address we listen on;
* if port==0, the port number is ignored
* if proto==0 (PROTO_NONE) the protocol is ignored
* returns 1 if true, 0 if false, -1 on error
* WARNING: uses str2ip6 so it will overwrite any previous
* unsaved result of this function (static buffer)
*/
int check_self(str* host, unsigned short port, unsigned short proto)
{
if (grep_sock_info(host, port, proto)) goto found;
/* try to look into the aliases*/
if (grep_aliases(host->s, host->len, port, proto)==0){
DBG("check_self: host != me\n");
return (_check_self_func_list==NULL)?0:run_check_self_func(host,
port, proto);
}
found:
return 1;
}
