head 1.8; access; symbols; locks; strict; comment @ * @; 1.8 date 95.06.10.04.05.31; author p-pomes; state Exp; branches; next 1.7; 1.7 date 94.03.12.04.27.19; author paul; state Exp; branches; next 1.6; 1.6 date 94.03.11.23.14.20; author paul; state Exp; branches; next 1.5; 1.5 date 93.12.16.21.46.45; author paul; state Exp; branches; next 1.4; 1.4 date 93.11.24.22.33.04; author paul; state Exp; branches; next 1.3; 1.3 date 93.11.24.18.05.56; author paul; state Exp; branches; next 1.2; 1.2 date 93.07.22.13.49.22; author paul; state Exp; branches; next 1.1; 1.1 date 93.06.14.20.37.07; author paul; state Exp; branches; next ; desc @@ 1.8 log @Changed default service from ns to csnet-ns (RFC-1700). @ text @/* * Copyright (c) 1985 Corporation for Research and Educational Networking * Copyright (c) 1988 University of Illinois Board of Trustees, Steven * Dorner, and Paul Pomes * All rights reserved. * * 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 the Corporation for * Research and Educational Networking (CREN), the University of * Illinois at Urbana, and their contributors. * 4. Neither the name of CREN, the University nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE TRUSTEES AND CONTRIBUTORS ``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 TRUSTEES OR CONTRIBUTORS 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. */ #ifndef lint static char RcsId[] = "@@(#)$Id: OpenQi.c,v 1.7 1994/03/12 04:27:19 paul Exp p-pomes $"; #endif /* ** OpenQi -- Connect to the Qi server ** ** Open socket connections to the Qi server. ** ** Parameters: ** Host - Name of server to contact ** To - pointer to stream descriptor ** From - pointer to stream descriptor ** ** Returns: ** 0 if successful ** -1 if any error ** ** Side Effects: ** Initializes global QiFields by calling GetFields() ** Reports error via syslog */ #include "qiapi.h" #include #include #include #include #include #ifndef NSSERVICE # define NSSERVICE "csnet-ns" #endif #ifdef NO_MEMMOVE # define memmove(a,b,c) bcopy(b,a,c) #endif int OpenQi (Host, To, From) char *Host; FILE **To, **From; { int sock; /* our socket */ struct sockaddr_in Qi; /* the address of the nameserver */ struct servent *Ns; /* nameserver service entry */ struct hostent *hp; /* host entry for nameserver */ if (QiDebug) fprintf(stderr, "contacting qi on %s\r\n", Host); /* Locate the proper port */ if (Ns = getservbyname (NSSERVICE, "tcp")) Qi.sin_port = Ns->s_port; else { if (QiDebug) fprintf(stderr, "OpenQi: service \"%s\" unknown - using 105\r\n", NSSERVICE); syslog(LOG_ERR, "OpenQi: service \"%s\" unknown - using 105", NSSERVICE); Qi.sin_port = htons((unsigned short) 105); } Qi.sin_family = AF_INET; /* Get a socket for the Qi connection */ if (geteuid() == 0) { /* if running as root, get a reserved port */ int localport = IPPORT_RESERVED - 1; if ((sock = rresvport(&localport)) < 0) { syslog(LOG_ERR, "OpenQI: rresvport(): %m"); return(-1); } } else if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) { if (QiDebug) fprintf(stderr, "OpenQi: socket(): %s\r\n", sys_errlist[errno]); syslog(LOG_ERR, "OpenQi: socket(): %m"); return(-1); } /* Locate the proper host */ if (hp = gethostbyname (Host)) memmove ((char *) &Qi.sin_addr.s_addr, hp->h_addr, 4); else { if (QiDebug) fprintf(stderr, "OpenQi: gethostbyname(%s): %s\r\n", Host, sys_errlist[errno]); syslog(LOG_ERR, "OpenQi: gethostbyname(%s): %m", Host); return(-1); } /* Connect to the nameserver */ if (connect (sock, (struct sockaddr *) &Qi, sizeof (Qi)) < 0) { if (QiDebug) fprintf(stderr, "OpenQi: connect(%s): %s\r\n", Host, sys_errlist[errno]); syslog(LOG_ERR, "OpenQi: connect(%s): %m", Host); (void) close(sock); return (-1); } /* Create stream descriptors */ if ((*To = fdopen(sock, "w")) == (FILE *) NULL) { syslog(LOG_ERR, "OpenQi: fdopen(s, \"w\"): %m"); return(-1); } if ((*From = fdopen(sock, "r")) == (FILE *) NULL) { syslog(LOG_ERR, "OpenQi: fdopen(s, \"r\"): %m"); return(-1); } /* Initialize QiFields global */ if (QiFields == QIF_NULL && (QiFields = GetFields(*To, *From)) == QIF_NULL) return(-1); /* Connection ok */ return (0); } @ 1.7 log @Changed NSSERVICE back to "ns" from "csnet-ns" as I can't get the latter to decode authenticators properly when used with Kerberos. @ text @d38 1 a38 1 static char RcsId[] = "@@(#)$Id: OpenQi.c,v 1.6 1994/03/11 23:14:20 paul Exp paul $"; d68 1 a68 1 # define NSSERVICE "ns" @ 1.6 log @New copyright statement. @ text @d38 1 a38 1 static char RcsId[] = "@@(#)$Id$"; d68 1 a68 1 # define NSSERVICE "csnet-ns" @ 1.5 log @Changed QISERVICE to NSSERVICE for consistency. @ text @d2 40 d68 1 a68 1 # define NSSERVICE "ns" a72 4 #endif #ifndef lint static char RcsId[] = "@@(#)$Id: OpenQi.c,v 1.4 1993/11/24 22:33:04 paul Exp paul $"; @ 1.4 log @Use a reserved port if running as root. From Alan Crosswell . @ text @d27 2 a28 2 #ifndef QISERVICE # define QISERVICE "ns" d36 1 a36 1 static char RcsId[] = "@@(#)$Id: OpenQi.c,v 1.3 1993/11/24 18:05:56 paul Exp paul $"; d53 1 a53 1 if (Ns = getservbyname (QISERVICE, "tcp")) d58 1 a58 1 QISERVICE); d60 1 a60 1 QISERVICE); @ 1.3 log @*** empty log message *** @ text @d36 1 a36 1 static char RcsId[] = "@@(#)$Id: OpenQi.c,v 1.2 1993/07/22 13:49:22 paul Exp paul $"; d66 7 a72 1 if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) { @ 1.2 log @*** empty log message *** @ text @d31 4 d36 1 a36 1 static char RcsId[] = "@@(#)$Id: OpenQi.c,v 1.1 1993/06/14 20:37:07 paul Exp paul $"; @ 1.1 log @Initial revision @ text @d32 1 a32 1 static char RcsId[] = "@@(#)$Id$"; d71 1 a71 1 bcopy (hp->h_addr, (char *) &Qi.sin_addr.s_addr, 4); @