X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fngircd%2Fresolve.c;h=c7e600381e81b571ded2cd343887529418e7d59c;hb=b6f19ea8feceeb2246995222f03790e6f00b0dfd;hp=9aeb68e35e82a9fc0db263d573d2ca91e8e3d158;hpb=2a7dd06ebd9cc72d45a6a4becdbef5213d7b7800;p=ngircd-alex.git diff --git a/src/ngircd/resolve.c b/src/ngircd/resolve.c index 9aeb68e3..c7e60038 100644 --- a/src/ngircd/resolve.c +++ b/src/ngircd/resolve.c @@ -1,6 +1,6 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001-2009 by Alexander Barton (alex@barton.de) + * Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -75,7 +75,8 @@ Resolve_Addr(PROC_STAT * s, const ng_ipaddr_t *Addr, int identsock, } else if( pid == 0 ) { /* Sub process */ Log_Init_Subprocess("Resolver"); - Do_ResolveAddr( Addr, identsock, pipefd[1]); + Conn_CloseAllSockets(identsock); + Do_ResolveAddr(Addr, identsock, pipefd[1]); Log_Exit_Subprocess("Resolver"); exit(0); } @@ -104,6 +105,7 @@ Resolve_Name( PROC_STAT *s, const char *Host, void (*cbfunc)(int, short)) } else if( pid == 0 ) { /* Sub process */ Log_Init_Subprocess("Resolver"); + Conn_CloseAllSockets(NONE); Do_ResolveName(Host, pipefd[1]); Log_Exit_Subprocess("Resolver"); exit(0); @@ -236,7 +238,7 @@ ReverseLookup(const ng_ipaddr_t *IpAddr, char *resbuf, size_t reslen) * @return true if lookup successful, false if domain name not found */ static bool -ForwardLookup(const char *hostname, array *IpAddr) +ForwardLookup(const char *hostname, array *IpAddr, int af) { ng_ipaddr_t addr; @@ -245,23 +247,13 @@ ForwardLookup(const char *hostname, array *IpAddr) struct addrinfo *a, *ai_results; static struct addrinfo hints; -#ifndef WANT_IPV6 - hints.ai_family = AF_INET; -#endif #ifdef AI_ADDRCONFIG /* glibc has this, but not e.g. netbsd 4.0 */ hints.ai_flags = AI_ADDRCONFIG; #endif hints.ai_socktype = SOCK_STREAM; hints.ai_protocol = IPPROTO_TCP; + hints.ai_family = af; -#ifdef WANT_IPV6 - assert(Conf_ConnectIPv6 || Conf_ConnectIPv4); - - if (!Conf_ConnectIPv6) - hints.ai_family = AF_INET; - if (!Conf_ConnectIPv4) - hints.ai_family = AF_INET6; -#endif memset(&addr, 0, sizeof(addr)); res = getaddrinfo(hostname, NULL, &hints, &ai_results); @@ -390,7 +382,7 @@ Do_ResolveAddr(const ng_ipaddr_t *Addr, int identsock, int w_fd) if (!ReverseLookup(Addr, hostname, sizeof(hostname))) goto dns_done; - if (ForwardLookup(hostname, &resolved_addr)) { + if (ForwardLookup(hostname, &resolved_addr, ng_ipaddr_af(Addr))) { if (!Addr_in_list(&resolved_addr, Addr)) { Log_Forgery_WrongIP(tmp_ip_str, hostname); strlcpy(hostname, tmp_ip_str, sizeof(hostname)); @@ -427,6 +419,7 @@ Do_ResolveName( const char *Host, int w_fd ) /* Resolver sub-process: resolve name and write result into pipe * to parent. */ array IpAddrs; + int af; #ifdef DEBUG ng_ipaddr_t *addr; size_t len; @@ -434,8 +427,19 @@ Do_ResolveName( const char *Host, int w_fd ) Log_Subprocess(LOG_DEBUG, "Now resolving \"%s\" ...", Host); array_init(&IpAddrs); - /* Resolve hostname */ - if (!ForwardLookup(Host, &IpAddrs)) { + +#ifdef WANT_IPV6 + af = AF_UNSPEC; + assert(Conf_ConnectIPv6 || Conf_ConnectIPv4); + + if (!Conf_ConnectIPv6) + af = AF_INET; + if (!Conf_ConnectIPv4) + af = AF_INET6; +#else + af = AF_INET; +#endif + if (!ForwardLookup(Host, &IpAddrs, af)) { close(w_fd); return; }