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"
20 /** This will bind a socket to a port. It works for UDP/TCP.
21 * It can only bind to IP addresses, if you wish to bind to hostnames
22 * you should first resolve them using class 'Resolver'.
24 bool InspIRCd::BindSocket(int sockfd, int port, const char* addr, bool dolisten)
26 /* We allocate 2 of these, because sockaddr_in6 is larger than sockaddr (ugh, hax) */
27 sockaddr* servaddr = new sockaddr[2];
28 memset(servaddr,0,sizeof(sockaddr)*2);
38 /* There is an address here. Is it ipv6? */
43 if (inet_pton(AF_INET6, addr, &addy) < 1)
49 ((sockaddr_in6*)servaddr)->sin6_family = AF_INET6;
50 memcpy(&(((sockaddr_in6*)servaddr)->sin6_addr), &addy, sizeof(in6_addr));
51 ((sockaddr_in6*)servaddr)->sin6_port = htons(port);
52 size = sizeof(sockaddr_in6);
58 if (inet_pton(AF_INET, addr, &addy) < 1)
64 ((sockaddr_in*)servaddr)->sin_family = AF_INET;
65 ((sockaddr_in*)servaddr)->sin_addr = addy;
66 ((sockaddr_in*)servaddr)->sin_port = htons(port);
67 size = sizeof(sockaddr_in);
74 /* Port -1: Means UDP IPV4 port binding - Special case
77 ((sockaddr_in*)servaddr)->sin_family = AF_INET;
78 ((sockaddr_in*)servaddr)->sin_addr.s_addr = htonl(INADDR_ANY);
79 ((sockaddr_in*)servaddr)->sin_port = 0;
80 size = sizeof(sockaddr_in);
84 /* Theres no address here, default to ipv6 bind to all */
85 ((sockaddr_in6*)servaddr)->sin6_family = AF_INET6;
86 memset(&(((sockaddr_in6*)servaddr)->sin6_addr), 0, sizeof(in6_addr));
87 ((sockaddr_in6*)servaddr)->sin6_port = htons(port);
88 size = sizeof(sockaddr_in6);
92 /* If we aren't built with ipv6, the choice becomes simple */
93 ((sockaddr_in*)servaddr)->sin_family = AF_INET;
96 /* There is an address here. */
98 if (inet_pton(AF_INET, addr, &addy) < 1)
103 ((sockaddr_in*)servaddr)->sin_addr = addy;
107 /* Bind ipv4 to all */
108 ((sockaddr_in*)servaddr)->sin_addr.s_addr = htonl(INADDR_ANY);
110 /* Bind ipv4 port number */
111 ((sockaddr_in*)servaddr)->sin_port = htons(port);
112 size = sizeof(sockaddr_in);
114 ret = SE->Bind(sockfd, servaddr, size);
125 if (SE->Listen(sockfd, Config->MaxConn) == -1)
127 this->Logs->Log("SOCKET",DEFAULT,"ERROR in listen(): %s",strerror(errno));
132 this->Logs->Log("SOCKET",DEBUG,"New socket binding for %d with listen: %s:%d", sockfd, addr, port);
133 SE->NonBlocking(sockfd);
139 this->Logs->Log("SOCKET",DEBUG,"New socket binding for %d without listen: %s:%d", sockfd, addr, port);
146 int irc::sockets::OpenTCPSocket(const char* addr, int socktype)
151 struct linger linger = { 0, 0 };
155 sockfd = socket (PF_INET6, socktype, 0);
157 sockfd = socket (PF_INET, socktype, 0);
159 else if (strchr(addr,':'))
160 sockfd = socket (PF_INET6, socktype, 0);
162 sockfd = socket (PF_INET, socktype, 0);
165 if ((sockfd = socket (PF_INET, socktype, 0)) < 0)
172 setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on));
173 /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
176 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, (char*)&linger,sizeof(linger));
181 // XXX: it would be VERY nice to genericize this so all listen stuff (server/client) could use the one function. -- w00t
182 int InspIRCd::BindPorts(bool, int &ports_found, FailedPortList &failed_ports)
184 char configToken[MAXBUF], Addr[MAXBUF], Type[MAXBUF];
186 bool started_with_nothing = (Config->ports.size() == 0);
187 std::vector<std::pair<std::string, int> > old_ports;
189 /* XXX: Make a copy of the old ip/port pairs here */
190 for (std::vector<ListenSocketBase *>::iterator o = Config->ports.begin(); o != Config->ports.end(); ++o)
191 old_ports.push_back(make_pair((*o)->GetIP(), (*o)->GetPort()));
193 for (int count = 0; count < Config->ConfValueEnum(Config->config_data, "bind"); count++)
195 Config->ConfValue(Config->config_data, "bind", "port", count, configToken, MAXBUF);
196 Config->ConfValue(Config->config_data, "bind", "address", count, Addr, MAXBUF);
197 Config->ConfValue(Config->config_data, "bind", "type", count, Type, MAXBUF);
199 if (strncmp(Addr, "::ffff:", 7) == 0)
200 this->Logs->Log("SOCKET",DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
202 if ((!*Type) || (!strcmp(Type,"clients")))
204 irc::portparser portrange(configToken, false);
206 while (0 != (portno = portrange.GetToken()))
212 for (std::vector<ListenSocketBase *>::iterator n = Config->ports.begin(); n != Config->ports.end(); ++n)
214 if (((*n)->GetIP() == Addr) && ((*n)->GetPort() == portno))
217 /* XXX: Here, erase from our copy of the list */
218 for (std::vector<std::pair<std::string, int> >::iterator k = old_ports.begin(); k != old_ports.end(); ++k)
220 if ((k->first == Addr) && (k->second == portno))
230 ClientListenSocket *ll = new ClientListenSocket(this, portno, Addr);
231 if (ll->GetFd() > -1)
234 Config->ports.push_back(ll);
238 failed_ports.push_back(std::make_pair((*Addr ? Addr : "*") + std::string(":") + ConvToStr(portno), strerror(errno)));
246 /* XXX: Here, anything left in our copy list, close as removed */
247 if (!started_with_nothing)
249 for (size_t k = 0; k < old_ports.size(); ++k)
251 for (std::vector<ListenSocketBase *>::iterator n = Config->ports.begin(); n != Config->ports.end(); ++n)
253 if (((*n)->GetIP() == old_ports[k].first) && ((*n)->GetPort() == old_ports[k].second))
255 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);
257 Config->ports.erase(n);
267 const char* irc::sockets::insp_ntoa(insp_inaddr n)
269 static char buf[1024];
270 inet_ntop(AF_FAMILY, &n, buf, sizeof(buf));
274 int irc::sockets::insp_aton(const char* a, insp_inaddr* n)
276 return inet_pton(AF_FAMILY, a, n);
279 int irc::sockets::aptosa(const char* addr, int port, irc::sockets::sockaddrs* sa)
281 memset(sa, 0, sizeof(*sa));
285 sa->in6.sin6_family = AF_INET6;
286 sa->in6.sin6_port = htons(port);
288 sa->in4.sin_family = AF_INET;
289 sa->in4.sin_port = htons(port);
293 else if (inet_pton(AF_INET, addr, &sa->in4.sin_addr) > 0)
295 sa->in4.sin_family = AF_INET;
296 sa->in4.sin_port = htons(port);
299 else if (inet_pton(AF_INET6, addr, &sa->in6.sin6_addr) > 0)
301 sa->in6.sin6_family = AF_INET6;
302 sa->in6.sin6_port = htons(port);
308 int irc::sockets::satoap(const irc::sockets::sockaddrs* sa, std::string& addr, int &port) {
309 char addrv[INET6_ADDRSTRLEN+1];
310 if (sa->sa.sa_family == AF_INET)
312 if (!inet_ntop(AF_INET, &sa->in4.sin_addr, addrv, sizeof(addrv)))
315 port = ntohs(sa->in4.sin_port);
318 else if (sa->sa.sa_family == AF_INET6)
320 if (!inet_ntop(AF_INET6, &sa->in6.sin6_addr, addrv, sizeof(addrv)))
323 port = ntohs(sa->in6.sin6_port);
329 int irc::sockets::sa_size(irc::sockets::sockaddrs& sa)
331 if (sa.sa.sa_family == AF_INET)
332 return sizeof(sa.in4);
333 if (sa.sa.sa_family == AF_INET6)
334 return sizeof(sa.in6);