diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/dns.cpp | 94 |
1 files changed, 37 insertions, 57 deletions
diff --git a/src/dns.cpp b/src/dns.cpp index b3b400fdc..e4ce602d6 100644 --- a/src/dns.cpp +++ b/src/dns.cpp @@ -3,13 +3,13 @@ * +------------------------------------+ * * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * <brain@chatspike.net> - * <Craig@chatspike.net> + * E-mail: + * <brain@chatspike.net> + * <Craig@chatspike.net> * * Written by Craig Edwards, Craig McLure, and others. * This program is free but copyrighted software; see - * the file COPYING for details. + * the file COPYING for details. * * --------------------------------------------------- */ @@ -74,7 +74,11 @@ connlist connections; Resolver* dns_classes[MAX_DESCRIPTORS]; -insp_inaddr servers[8]; +#ifdef IPV6 +in6_addr servers4[8]; +#else +in_addr servers4[8]; +#endif int i4; int initdone = 0; int lastcreate = -1; @@ -183,7 +187,7 @@ void DNS::dns_init() { FILE *f; int i; - insp_inaddr addr; + in_addr addr4; char buf[1024]; if (initdone == 1) return; @@ -191,7 +195,7 @@ void DNS::dns_init() initdone = 1; srand((unsigned int) TIME); - memset(servers,'\0',sizeof(insp_inaddr) * 8); + memset(servers4,'\0',sizeof(in_addr) * 8); f = fopen("/etc/resolv.conf","r"); if (f == NULL) return; @@ -203,8 +207,8 @@ void DNS::dns_init() i++; if (i4 < 8) { - if (dns_aton4_s(&buf[i],&addr) != NULL) - memcpy(&servers[i4++],&addr,sizeof(insp_inaddr)); + if (dns_aton4_s(&buf[i],&addr4) != NULL) + memcpy(&servers4[i4++],&addr4,sizeof(in_addr)); } } } @@ -213,19 +217,19 @@ void DNS::dns_init() void DNS::dns_init_2(const char* dnsserver) { - insp_inaddr addr; + in_addr addr4; i4 = 0; srand((unsigned int) TIME); - memset(servers,'\0',sizeof(insp_inaddr) * 8); - if (dns_aton4_s(dnsserver,&addr) != NULL) - memcpy(&servers[i4++],&addr,sizeof(insp_inaddr)); + memset(servers4,'\0',sizeof(in_addr) * 8); + if (dns_aton4_s(dnsserver,&addr4) != NULL) + memcpy(&servers4[i4++],&addr4,sizeof(in_addr)); } int dns_send_requests(const s_header *h, const s_connection *s, const int l) { int i; - insp_sockaddr addr; + sockaddr_in addr4; unsigned char payload[sizeof(s_header)]; dns_empty_header(payload,h,l); @@ -234,19 +238,12 @@ int dns_send_requests(const s_header *h, const s_connection *s, const int l) i = 0; /* otherwise send via standard ipv4 boringness */ - memset(&addr,0,sizeof(addr)); -#ifdef IPV6 - memcpy(&addr.sin6_addr,&servers[i],sizeof(addr.sin6_addr)); - addr.sin6_family = AF_FAMILY; - addr.sin6_port = htons(53); -#else - memcpy(&addr.sin_addr.s_addr,&servers[i],sizeof(addr.sin_addr)); - addr.sin_family = AF_FAMILY; - addr.sin_port = htons(53); -#endif - if (sendto(s->fd, payload, l + 12, 0, (sockaddr *) &addr, sizeof(addr)) == -1) + memset(&addr4,0,sizeof(addr4)); + memcpy(&addr4.sin_addr,&servers4[i],sizeof(addr4.sin_addr)); + addr4.sin_family = AF_INET; + addr4.sin_port = htons(53); + if (sendto(s->fd, payload, l + 12, 0, (sockaddr *) &addr4, sizeof(addr4)) == -1) { - log(DEBUG,"Error in sendto!"); return -1; } @@ -269,10 +266,9 @@ s_connection *dns_add_query(s_header *h) h->nscount = 0; h->arcount = 0; s->want_list = 0; - s->fd = socket(PF_PROTOCOL, SOCK_DGRAM, 0); + s->fd = socket(PF_INET, SOCK_DGRAM, 0); if (s->fd != -1) { - log(DEBUG,"Set query socket nonblock"); if (fcntl(s->fd, F_SETFL, O_NONBLOCK) != 0) { shutdown(s->fd,2); @@ -282,26 +278,17 @@ s_connection *dns_add_query(s_header *h) } if (s->fd != -1) { -#ifdef IPV6 - insp_sockaddr addr; + sockaddr_in addr; memset(&addr,0,sizeof(addr)); - addr.sin6_family = AF_FAMILY; - addr.sin6_port = 0; - memset(&addr.sin6_addr,255,sizeof(in6_addr)); -#else - insp_sockaddr addr; - memset(&addr,0,sizeof(addr)); - addr.sin_family = AF_FAMILY; + addr.sin_family = AF_INET; addr.sin_port = 0; addr.sin_addr.s_addr = INADDR_ANY; if (bind(s->fd,(sockaddr *)&addr,sizeof(addr)) != 0) { - log(DEBUG,"Cant bind with source port = 0"); shutdown(s->fd,2); close(s->fd); s->fd = -1; } -#endif } if (s->fd == -1) { @@ -360,15 +347,15 @@ int dns_build_query_payload(const char * const name, const unsigned short rr, co return payloadpos + 4; } -insp_inaddr* DNS::dns_aton4(const char * const ipstring) +in_addr* DNS::dns_aton4(const char * const ipstring) { - static insp_inaddr ip; + static in_addr ip; return dns_aton4_s(ipstring,&ip); } -insp_inaddr* DNS::dns_aton4_r(const char *ipstring) { /* ascii to numeric (reentrant): convert string to new 4part IP addr struct */ - insp_inaddr* ip; - ip = new insp_inaddr; +in_addr* DNS::dns_aton4_r(const char *ipstring) { /* ascii to numeric (reentrant): convert string to new 4part IP addr struct */ + in_addr* ip; + ip = new in_addr; if(dns_aton4_s(ipstring,ip) == NULL) { DELETE(ip); @@ -377,8 +364,8 @@ insp_inaddr* DNS::dns_aton4_r(const char *ipstring) { /* ascii to numeric (reent return ip; } -insp_inaddr* DNS::dns_aton4_s(const char *ipstring, insp_inaddr *ip) { /* ascii to numeric (buffered): convert string to given 4part IP addr struct */ - insp_aton(ipstring,ip); +in_addr* DNS::dns_aton4_s(const char *ipstring, in_addr *ip) { /* ascii to numeric (buffered): convert string to given 4part IP addr struct */ + inet_aton(ipstring,ip); return ip; } @@ -426,12 +413,7 @@ int DNS::dns_getip4list(const char *name) { /* build, add and send A query; retr return s->fd; } -int DNS::dns_getname4(const insp_inaddr *ip) -{ /* build, add and send PTR query; retrieve result with dns_getresult() */ -#ifdef IPV6 - return -1; -#else - log(DEBUG,"DNS::dns_getname4"); +int DNS::dns_getname4(const in_addr *ip) { /* build, add and send PTR query; retrieve result with dns_getresult() */ char query[512]; s_header h; s_connection * s; @@ -454,7 +436,6 @@ int DNS::dns_getname4(const insp_inaddr *ip) return -1; return s->fd; -#endif } char* DNS::dns_getresult(const int cfd) { /* retrieve result of DNS query */ @@ -898,14 +879,14 @@ void* dns_task(void* arg) userrec* u = (userrec*)arg; int thisfd = u->fd; - log(DEBUG,"DNS thread for user %s on ip %s",u->nick,insp_ntoa(u->ip4)); + log(DEBUG,"DNS thread for user %s",u->nick); DNS dns1(Config->DNSServer); DNS dns2(Config->DNSServer); std::string host; std::string ip; int iterations = 0; - if (dns1.ReverseLookup(insp_ntoa(u->ip4),false)) + if (dns1.ReverseLookup(inet_ntoa(u->ip4),false)) { /* FIX: Dont make these infinite! */ while ((!dns1.HasResult()) && (++iterations < 20)) @@ -929,7 +910,7 @@ void* dns_task(void* arg) if (dns2.GetFD() != -1) { ip = dns2.GetResultIP(); - if (ip == std::string(insp_ntoa(u->ip4))) + if (ip == std::string(inet_ntoa(u->ip4))) { if (host.length() < 65) { @@ -1086,4 +1067,3 @@ void init_dns() { memset(dns_classes,0,sizeof(dns_classes)); } - |