/* * OpenPBS (Portable Batch System) v2.3 Software License * * Copyright (c) 1999-2000 Veridian Information Solutions, Inc. * All rights reserved. * * --------------------------------------------------------------------------- * For a license to use or redistribute the OpenPBS software under conditions * other than those described below, or to purchase support for this software, * please contact Veridian Systems, PBS Products Department ("Licensor") at: * * www.OpenPBS.org +1 650 967-4675 sales@OpenPBS.org * 877 902-4PBS (US toll-free) * --------------------------------------------------------------------------- * * This license covers use of the OpenPBS v2.3 software (the "Software") at * your site or location, and, for certain users, redistribution of the * Software to other sites and locations. Use and redistribution of * OpenPBS v2.3 in source and binary forms, with or without modification, * are permitted provided that all of the following conditions are met. * After December 31, 2001, only conditions 3-6 must be met: * * 1. Commercial and/or non-commercial use of the Software is permitted * provided a current software registration is on file at www.OpenPBS.org. * If use of this software contributes to a publication, product, or * service, proper attribution must be given; see www.OpenPBS.org/credit.html * * 2. Redistribution in any form is only permitted for non-commercial, * non-profit purposes. There can be no charge for the Software or any * software incorporating the Software. Further, there can be no * expectation of revenue generated as a consequence of redistributing * the Software. * * 3. Any Redistribution of source code must retain the above copyright notice * and the acknowledgment contained in paragraph 6, this list of conditions * and the disclaimer contained in paragraph 7. * * 4. Any Redistribution in binary form must reproduce the above copyright * notice and the acknowledgment contained in paragraph 6, this list of * conditions and the disclaimer contained in paragraph 7 in the * documentation and/or other materials provided with the distribution. * * 5. Redistributions in any form must be accompanied by information on how to * obtain complete source code for the OpenPBS software and any * modifications and/or additions to the OpenPBS software. The source code * must either be included in the distribution or be available for no more * than the cost of distribution plus a nominal fee, and all modifications * and additions to the Software must be freely redistributable by any party * (including Licensor) without restriction. * * 6. All advertising materials mentioning features or use of the Software must * display the following acknowledgment: * * "This product includes software developed by NASA Ames Research Center, * Lawrence Livermore National Laboratory, and Veridian Information * Solutions, Inc. * Visit www.OpenPBS.org for OpenPBS software support, * products, and information." * * 7. DISCLAIMER OF WARRANTY * * THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT * ARE EXPRESSLY DISCLAIMED. * * IN NO EVENT SHALL VERIDIAN CORPORATION, ITS AFFILIATED COMPANIES, OR THE * U.S. GOVERNMENT OR ANY OF ITS AGENCIES BE LIABLE FOR ANY DIRECT OR 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. * * This license will be governed by the laws of the Commonwealth of Virginia, * without reference to its choice of law rules. */ #include /* the master config generated by configure */ #include #include #include #include #include #include #include #include "portability.h" #include "utils.h" #include "net_cache.h" #include "lib_net.h" /* * get_fullhostname - get the fully qualified name of a host * * Returns: 0 - if success * host name in character buffer pointed to by namebuf * -1 - if error */ /* NOTE: make response lower case */ int get_fullhostname( char *shortname, /* I */ char *namebuf, /* O */ int bufsize, /* I */ char *EMsg) /* O (optional,minsize=MAXLINE - 1024) */ { char *pbkslh = NULL; char *pcolon = NULL; char hostname[MAXLINE]; struct addrinfo *addr_info = NULL; struct addrinfo hints; char *full_name; int tmp_len = 0; if ((shortname == NULL) || (shortname[0] == '\0')) { /* FAILURE */ if (EMsg != NULL) strcpy(EMsg, "host name not specified"); return(PBSE_NOSERVER); } if ((pcolon = strchr(shortname, ':')) != NULL) { *pcolon = '\0'; if (*(pcolon - 1) == '\\') { pbkslh = pcolon - 1; *pbkslh = '\0'; } } if (pcolon != NULL) { *pcolon = ':'; /* replace the colon */ if (pbkslh) *pbkslh = '\\'; } if ((full_name = get_cached_fullhostname(shortname, NULL)) != NULL) { snprintf(namebuf, bufsize, "%s", full_name); return(PBSE_NONE); } memset(&hints,0,sizeof(hints)); hints.ai_flags = AI_CANONNAME; if (pbs_getaddrinfo(shortname, &hints, &addr_info) != 0) { /* FAILURE - cannot getaddrinfo() */ if (EMsg != NULL) snprintf(EMsg, MAXLINE, "getaddrinfo(%s) failed, h_errno=%d", shortname, h_errno); return(PBSE_CANNOT_RESOLVE); } if (getnameinfo(addr_info->ai_addr, addr_info->ai_addrlen, hostname, MAXLINE, NULL, 0, 0) != 0) { if (h_errno == HOST_NOT_FOUND) { fprintf(stderr, "Unable to lookup host '%s' by address (check /etc/hosts or DNS reverse name lookup)\n", shortname); } if (EMsg != NULL) snprintf(EMsg, MAXLINE, "getnameinfo(%s) failed, h_errno=%d", shortname, h_errno); /* FAILURE - cannot get host by address */ return(PBSE_CANNOT_RESOLVE); } tmp_len = strlen(addr_info->ai_canonname); if (bufsize <= tmp_len) { /* FAILURE - name too long */ if (EMsg != NULL) snprintf(EMsg, MAXLINE, "hostname (%.32s...) is too long (> %d chars)", addr_info->ai_canonname, bufsize); return(PBSE_BAD_PARAMETER); } snprintf(namebuf, bufsize, "%s", addr_info->ai_canonname); /* SUCCESS */ return(PBSE_NONE); } /* END get_fullhostname() */ /* END get_hostname.c */