1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2009 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
18 #include "socketengine.h"
19 using irc::sockets::sockaddrs;
21 /** This will bind a socket to a port. It works for UDP/TCP.
22 * It can only bind to IP addresses, if you wish to bind to hostnames
23 * you should first resolve them using class 'Resolver'.
25 bool InspIRCd::BindSocket(int sockfd, int port, const char* addr, bool dolisten)
28 memset(&servaddr, 0, sizeof(servaddr));
38 /* There is an address here. Is it ipv6? */
41 if (inet_pton(AF_INET6, addr, &servaddr.in6.sin6_addr) < 1)
45 servaddr.in6.sin6_family = AF_INET6;
46 servaddr.in6.sin6_port = htons(port);
47 size = sizeof(sockaddr_in6);
51 if (inet_pton(AF_INET, addr, &servaddr.in4.sin_addr) < 1)
55 servaddr.in4.sin_family = AF_INET;
56 servaddr.in4.sin_port = htons(port);
57 size = sizeof(sockaddr_in);
64 /* Port -1: Means UDP IPV4 port binding - Special case
67 servaddr.in4.sin_family = AF_INET;
68 servaddr.in4.sin_addr.s_addr = htonl(INADDR_ANY);
69 servaddr.in4.sin_port = 0;
70 size = sizeof(sockaddr_in);
74 /* There's no address here, default to ipv6 bind to all */
75 servaddr.in6.sin6_family = AF_INET6;
76 servaddr.in6.sin6_port = htons(port);
77 size = sizeof(sockaddr_in6);
81 /* If we aren't built with ipv6, the choice becomes simple */
82 servaddr.in4.sin_family = AF_INET;
85 /* There is an address here. */
86 if (inet_pton(AF_INET, addr, &servaddr.in4.sin_addr) < 1)
93 /* Bind ipv4 to all */
94 servaddr.in4.sin_addr.s_addr = htonl(INADDR_ANY);
96 /* Bind ipv4 port number */
97 servaddr.in4.sin_port = htons(port);
98 size = sizeof(sockaddr_in);
100 ret = SE->Bind(sockfd, &servaddr.sa, size);
110 if (SE->Listen(sockfd, Config->MaxConn) == -1)
112 this->Logs->Log("SOCKET",DEFAULT,"ERROR in listen(): %s",strerror(errno));
117 this->Logs->Log("SOCKET",DEBUG,"New socket binding for %d with listen: %s:%d", sockfd, addr, port);
118 SE->NonBlocking(sockfd);
124 this->Logs->Log("SOCKET",DEBUG,"New socket binding for %d without listen: %s:%d", sockfd, addr, port);
131 int irc::sockets::OpenTCPSocket(const char* addr, int socktype)
136 struct linger linger = { 0, 0 };
140 sockfd = socket (PF_INET6, socktype, 0);
142 sockfd = socket (PF_INET, socktype, 0);
144 else if (strchr(addr,':'))
145 sockfd = socket (PF_INET6, socktype, 0);
147 sockfd = socket (PF_INET, socktype, 0);
150 if ((sockfd = socket (PF_INET, socktype, 0)) < 0)
157 setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on));
158 /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
161 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (char*)&linger,sizeof(linger));
166 // XXX: it would be VERY nice to genericize this so all listen stuff (server/client) could use the one function. -- w00t
167 int InspIRCd::BindPorts(FailedPortList &failed_ports)
169 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
171 bool started_with_nothing = (ports.size() == 0);
172 std::vector<std::pair<std::string, int> > old_ports;
174 /* XXX: Make a copy of the old ip/port pairs here */
175 for (std::vector<ListenSocketBase *>::iterator o = ports.begin(); o != ports.end(); ++o)
176 old_ports.push_back(make_pair((*o)->GetIP(), (*o)->GetPort()));
178 for (int count = 0; count < Config->ConfValueEnum("bind"); count++)
180 Config->ConfValue("bind", "port", count, configToken, MAXBUF);
181 Config->ConfValue("bind", "address", count, Addr, MAXBUF);
182 Config->ConfValue("bind", "type", count, Type, MAXBUF);
184 if (strncmp(Addr, "::ffff:", 7) == 0)
185 this->Logs->Log("SOCKET",DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
187 if ((!*Type) || (!strcmp(Type,"clients")))
189 irc::portparser portrange(configToken, false);
191 while (0 != (portno = portrange.GetToken()))
197 for (std::vector<ListenSocketBase *>::iterator n = ports.begin(); n != ports.end(); ++n)
199 if (((*n)->GetIP() == Addr) && ((*n)->GetPort() == portno))
202 /* XXX: Here, erase from our copy of the list */
203 for (std::vector<std::pair<std::string, int> >::iterator k = old_ports.begin(); k != old_ports.end(); ++k)
205 if ((k->first == Addr) && (k->second == portno))
215 ClientListenSocket *ll = new ClientListenSocket(this, portno, Addr);
216 if (ll->GetFd() > -1)
223 failed_ports.push_back(std::make_pair((*Addr ? Addr : "*") + std::string(":") + ConvToStr(portno), strerror(errno)));
230 /* XXX: Here, anything left in our copy list, close as removed */
231 if (!started_with_nothing)
233 for (size_t k = 0; k < old_ports.size(); ++k)
235 for (std::vector<ListenSocketBase *>::iterator n = ports.begin(); n != ports.end(); ++n)
237 if (((*n)->GetIP() == old_ports[k].first) && ((*n)->GetPort() == old_ports[k].second))
239 this->Logs->Log("SOCKET",DEFAULT,"Port binding %s:%d was removed from the config file, closing.", old_ports[k].first.c_str(), old_ports[k].second);
251 int irc::sockets::aptosa(const char* addr, int port, irc::sockets::sockaddrs* sa)
253 memset(sa, 0, sizeof(*sa));
257 sa->in6.sin6_family = AF_INET6;
258 sa->in6.sin6_port = htons(port);
260 sa->in4.sin_family = AF_INET;
261 sa->in4.sin_port = htons(port);
265 else if (inet_pton(AF_INET, addr, &sa->in4.sin_addr) > 0)
267 sa->in4.sin_family = AF_INET;
268 sa->in4.sin_port = htons(port);
271 else if (inet_pton(AF_INET6, addr, &sa->in6.sin6_addr) > 0)
273 sa->in6.sin6_family = AF_INET6;
274 sa->in6.sin6_port = htons(port);
280 int irc::sockets::satoap(const irc::sockets::sockaddrs* sa, std::string& addr, int &port) {
281 char addrv[INET6_ADDRSTRLEN+1];
282 if (sa->sa.sa_family == AF_INET)
284 if (!inet_ntop(AF_INET, &sa->in4.sin_addr, addrv, sizeof(addrv)))
287 port = ntohs(sa->in4.sin_port);
290 else if (sa->sa.sa_family == AF_INET6)
292 if (!inet_ntop(AF_INET6, &sa->in6.sin6_addr, addrv, sizeof(addrv)))
295 port = ntohs(sa->in6.sin6_port);
301 int irc::sockets::sa_size(irc::sockets::sockaddrs& sa)
303 if (sa.sa.sa_family == AF_INET)
304 return sizeof(sa.in4);
305 if (sa.sa.sa_family == AF_INET6)
306 return sizeof(sa.in6);