diff options
Diffstat (limited to 'src/server.c')
| -rw-r--r-- | src/server.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/src/server.c b/src/server.c index 1b28b14..3ec6603 100644 --- a/src/server.c +++ b/src/server.c @@ -5,7 +5,7 @@ #include "server.h" -void run_dns_server ( void ) +void run_dns_server ( server_config_t* _config ) { int ret; struct sockaddr_in sock_server_addr; @@ -21,6 +21,8 @@ void run_dns_server ( void ) log_init_stdout ( _LOG_DEBUG ); + LOGPRINTF(_LOG_NOTE, "Initializing DNS Server on %s:%i", _config->bind_ip, _config->bind_port); + sock_server = socket ( AF_INET, SOCK_DGRAM, 0 ); if ( sock_server == -1 ) { LOGPRINTF(_LOG_ERROR, "socket() failed"); @@ -29,8 +31,8 @@ void run_dns_server ( void ) memset( &sock_server_addr, '\0', sizeof(struct sockaddr_in) ); sock_server_addr.sin_family = AF_INET; - sock_server_addr.sin_port = htons( 53 ); - ret = inet_aton ( "0.0.0.0", & sock_server_addr.sin_addr ); + sock_server_addr.sin_port = htons( _config->bind_port ); + ret = inet_aton ( _config->bind_ip, & sock_server_addr.sin_addr ); if( ret == 0 ) { //Error on 0, no errno! LOGPRINTF(_LOG_NOTE, "inet_aton(): Invalid bind IP\n" ); exit ( 1 ); @@ -44,6 +46,8 @@ void run_dns_server ( void ) exit ( errno ); } + LOGPRINTF(_LOG_NOTE, "Done!"); + while( 1 ) { struct sockaddr_in sock_client_addr; @@ -95,10 +99,16 @@ int handle_connection ( int _socket, } //Always return NXDOMAIN - struct dns_header head = {msg.header.id,1,OP_Q,0,0,0,0,0,NAMEERR,0,0,0,0}; - char ret[20]; - int retlen = dns_construct_header ( &head, ret, 20 ); - sendto (_socket, ret, retlen, 0, (struct sockaddr*) sockaddr_client, sockaddr_client_len); + + struct dns_question quest = & msg.question[0]; + + struct dns_header head = {msg.header.id,1,OP_Q,0,0,0,0,0,dns_responsecode.NOERR,0,0,0,0}; + struct dns_answer answ = {quest->qname, quest->qname_len, } + + char ret[512]; + int hlen = dns_construct_header ( ret, 512, &head ); + int alen = dns_construct_answer ( ret + hlen, 512-hlen, &answer ); + sendto (_socket, ret, hlen + alen, 0, (struct sockaddr*) sockaddr_client, sockaddr_client_len); dns_destroy_struct ( &msg ); |