/* $Id: getservent.c,v 1.1.1.1 2006/09/14 01:59:06 root Exp $ */ /* * Copyright (c) 2000-2002 Opsycon AB (www.opsycon.se) * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Opsycon AB. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * */ #include #include #include #include #include #include #include struct servtab { const char *name; const char *alias; short port; short proto; }; #define TCP 0 #define UDP 1 static const struct servtab servtab[] = { {"echo", 0, 7, TCP}, {"echo", 0, 7, UDP}, {"discard", "sink", 9, TCP}, {"discard", "sink", 9, UDP}, {"daytime", 0, 13, TCP}, {"daytime", 0, 13, UDP}, {"ftp", 0, 21, TCP}, {"telnet", 0, 23, TCP}, {"time", 0, 37, TCP}, {"time", 0, 37, UDP}, {"bootps", 0, 67, UDP}, {"bootpc", 0, 68, UDP}, {"tftp", 0, 69, UDP}, {"sunrpc", 0, 111, TCP}, {"sunrpc", 0, 111, UDP}, /* Unix specials */ {"exec", 0, 512, TCP}, {"login", 0, 513, TCP}, {"shell", "cmd", 514, TCP}, {"talk", 0, 518, UDP}, {"bfs", 0, 2201, UDP}, /* MIPS boot file server */ {"gdb", "rdbg", 2202, UDP}, /* GDB remote debugging */ {0} }; static int servidx; int _serv_stayopen; void setservent(x) { servidx = 0; } void endservent() { servidx = -1; } struct servent * getservent() { static struct servent sv; static char *aliases[2]; const struct servtab *st; if (servidx < 0) return (0); st = &servtab[servidx]; if (!st->name) return (0); sv.s_name = (char *)st->name; aliases[0] = (char *)st->alias; aliases[1] = 0; sv.s_aliases = aliases; sv.s_port = htons(st->port); sv.s_proto = (st->proto == TCP) ? "tcp" : "udp"; servidx++; return (&sv); }