diff options
Diffstat (limited to 'src/system/Resolver.cxx')
| -rw-r--r-- | src/system/Resolver.cxx | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/system/Resolver.cxx b/src/system/Resolver.cxx deleted file mode 100644 index 389b3d4b5..000000000 --- a/src/system/Resolver.cxx +++ /dev/null @@ -1,161 +0,0 @@ -/* - * Copyright (C) 2003-2015 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "Resolver.hxx" -#include "util/Error.hxx" -#include "util/Domain.hxx" - -#ifndef WIN32 -#include <sys/socket.h> -#include <netdb.h> -#ifdef HAVE_TCP -#include <netinet/in.h> -#endif -#else -#include <ws2tcpip.h> -#include <winsock.h> -#endif - -#ifdef HAVE_UN -#include <sys/un.h> -#endif - -#include <string.h> -#include <stdio.h> - -const Domain resolver_domain("resolver"); - -std::string -sockaddr_to_string(const struct sockaddr *sa, size_t length) -{ -#ifdef HAVE_UN - if (sa->sa_family == AF_UNIX) { - /* return path of UNIX domain sockets */ - const sockaddr_un &s_un = *(const sockaddr_un *)sa; - if (length < sizeof(s_un) || s_un.sun_path[0] == 0) - return "local"; - - return s_un.sun_path; - } -#endif - -#if defined(HAVE_IPV6) && defined(IN6_IS_ADDR_V4MAPPED) - const struct sockaddr_in6 *a6 = (const struct sockaddr_in6 *)sa; - struct sockaddr_in a4; -#endif - int ret; - char host[NI_MAXHOST], serv[NI_MAXSERV]; - -#if defined(HAVE_IPV6) && defined(IN6_IS_ADDR_V4MAPPED) - 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) - return "unknown"; - -#ifdef HAVE_IPV6 - if (strchr(host, ':') != nullptr) { - std::string result("["); - result.append(host); - result.append("]:"); - result.append(serv); - return result; - } -#endif - - std::string result(host); - result.push_back(':'); - result.append(serv); - return result; -} - -struct addrinfo * -resolve_host_port(const char *host_port, unsigned default_port, - int flags, int socktype, - Error &error) -{ - std::string p(host_port); - const char *host = p.c_str(), *port = nullptr; - - if (host_port[0] == '[') { - /* IPv6 needs enclosing square braces, to - differentiate between IP colons and the port - separator */ - - size_t q = p.find(']', 1); - if (q != p.npos && p[q + 1] == ':' && p[q + 2] != 0) { - p[q] = 0; - port = host + q + 2; - ++host; - } - } - - if (port == nullptr) { - /* port is after the colon, but only if it's the only - colon (don't split IPv6 addresses) */ - - auto q = p.find(':'); - if (q != p.npos && p[q + 1] != 0 && - p.find(':', q + 1) == p.npos) { - p[q] = 0; - port = host + q + 1; - } - } - - char buffer[32]; - if (port == nullptr && default_port != 0) { - snprintf(buffer, sizeof(buffer), "%u", default_port); - port = buffer; - } - - if ((flags & AI_PASSIVE) != 0 && strcmp(host, "*") == 0) - host = nullptr; - - addrinfo hints; - memset(&hints, 0, sizeof(hints)); - hints.ai_flags = flags; - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = socktype; - - struct addrinfo *ai; - int ret = getaddrinfo(host, port, &hints, &ai); - if (ret != 0) { - error.Format(resolver_domain, ret, - "Failed to look up '%s': %s", - host_port, gai_strerror(ret)); - return nullptr; - } - - return ai; -} |