aboutsummaryrefslogtreecommitdiff
path: root/src/server.c
diff options
context:
space:
mode:
authorGravatar Jonas Gunz <himself@jonasgunz.de> 2021-04-30 23:27:11 +0200
committerGravatar Jonas Gunz <himself@jonasgunz.de> 2021-04-30 23:27:11 +0200
commitbd8e73aad283611c096f07e0fc16aa4985f9f2eb (patch)
tree9ce9d9d41387a62dd4cc3b88669a991244d7b8b7 /src/server.c
parentba7c93085b419d1453dfb722b570245c4a725c83 (diff)
downloaddns-bd8e73aad283611c096f07e0fc16aa4985f9f2eb.tar.gz
implemented database
Diffstat (limited to 'src/server.c')
-rw-r--r--src/server.c28
1 files changed, 23 insertions, 5 deletions
diff --git a/src/server.c b/src/server.c
index 1dc65a0..26b26ca 100644
--- a/src/server.c
+++ b/src/server.c
@@ -12,6 +12,8 @@ void run_dns_server ( server_config_t* _config )
char recv_buffer[ UDP_BUFFER_LEN ];
+ struct database zone_db;
+
signal ( SIGTERM, signal_term );
signal ( SIGINT, signal_term );
@@ -21,6 +23,11 @@ void run_dns_server ( server_config_t* _config )
log_init_stdout ( _LOG_DEBUG );
+ if ( (ret = database_populate ( &zone_db, "/nofile" )) ) {
+ LOGPRINTF(_LOG_ERROR, "Failed to populate database from zonefile");
+ exit(1);
+ }
+
LOGPRINTF(_LOG_NOTE, "Initializing DNS Server on %s:%i", _config->bind_ip, _config->bind_port);
sock_server = socket ( AF_INET, SOCK_DGRAM, 0 );
@@ -73,7 +80,8 @@ void run_dns_server ( server_config_t* _config )
&sock_client_addr,
sock_client_addr_len,
recv_buffer,
- ret );
+ ret,
+ &zone_db );
}
close( sock_server );
@@ -83,7 +91,8 @@ int handle_connection ( int _socket,
struct sockaddr_in *sockaddr_client,
socklen_t sockaddr_client_len,
char* _buffer,
- int _bufflen )
+ int _bufflen,
+ struct database* _zone_db )
{
struct dns_message msg;
@@ -98,12 +107,21 @@ int handle_connection ( int _socket,
LOGPRINTF(_LOG_DEBUG, "Request for %s QTYPE %i", out, msg.question[0].qtype);
}
- //Always return NXDOMAIN
+ // Only handles first request
+ // TODO heavy refactoring. major POC vibe
+ struct database_rdata rdata;
struct dns_question* quest = & msg.question[0];
- struct dns_header head = {msg.header.id,1,OP_Q,0,0,0,0,0,RCODE_NOERR,0,1,0,0};
- struct dns_answer answ = {quest->qname, quest->qname_len, RR_A, CL_IN, 69, 4, "aaa" };
+ int db_ret = database_query( &rdata, _zone_db, quest->qname, quest->qname_len, quest->qtype, quest->qclass );
+ if (db_ret) {
+
+ LOGPRINTF(_LOG_DEBUG, "DB Query exited with code %i", db_ret);
+ return 1;
+ }
+
+ struct dns_header head = {msg.header.id,1,OP_QUERY,0,0,0,0,0,RCODE_NOERR,0,1,0,0};
+ struct dns_answer answ = {quest->qname, quest->qname_len, RR_A, CL_IN, rdata.ttl, rdata.rdlen, rdata.rdata };
char ret[512];
int hlen = dns_construct_header ( ret, 512, &head );