/* * Copyright (C) 2003-2009 The Music Player Daemon Project * http://www.musicpd.org * * 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 * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "socket_util.h" #include "config.h" #ifndef G_OS_WIN32 #include #include #else /* G_OS_WIN32 */ #include #endif /* G_OS_WIN32 */ #ifdef HAVE_IPV6 #include #endif char * sockaddr_to_string(const struct sockaddr *sa, size_t length, GError **error) { #ifdef HAVE_IPV6 const struct sockaddr_in6 *a6 = (const struct sockaddr_in6 *)sa; struct sockaddr_in a4; #endif int ret; char host[NI_MAXHOST], serv[NI_MAXSERV]; #ifdef HAVE_IPV6 if (sa->sa_family == AF_INET6 && IN6_IS_ADDR_V4MAPPED(&a6->sin6_addr)) { /* convert "::ffff:127.0.0.1" to "127.0.0.1" */ memset(&a4, 0, sizeof(a4)); a4.sin_family = AF_INET; memcpy(&a4.sin_addr, ((const char *)&a6->sin6_addr) + 12, sizeof(a4.sin_addr)); a4.sin_port = a6->sin6_port; sa = (const struct sockaddr *)&a4; length = sizeof(a4); } #endif ret = getnameinfo(sa, length, host, sizeof(host), serv, sizeof(serv), NI_NUMERICHOST|NI_NUMERICSERV); if (ret != 0) { g_set_error(error, g_quark_from_static_string("netdb"), ret, gai_strerror(ret)); return NULL; } #ifdef HAVE_UN if (sa->sa_family == AF_UNIX) /* "serv" contains corrupt information with unix sockets */ return g_strdup(host); #endif #ifdef HAVE_IPV6 if (strchr(host, ':') != NULL) return g_strconcat("[", host, "]:", serv, NULL); #endif return g_strconcat(host, ":", serv, NULL); }