/* * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * All rights reserved. * * This code is derived from software donated to Berkeley by * Jan-Simon Pendry. * * 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 University of * California, Berkeley and its contributors. * 4. Neither the name of 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 REGENTS 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 REGENTS 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. * * @(#)pt_file.c 8.2 (Berkeley) 3/27/94 * * $Id: pt_file.c,v 1.1.1.1 1994/05/26 06:34:34 rgrimes Exp $ */ #include #include #include #include #include #include #include #include #include #include "portald.h" int portal_file(pcr, key, v, so, fdp) struct portal_cred *pcr; char *key; char **v; int so; int *fdp; { int fd; char pbuf[MAXPATHLEN]; int error; gid_t gidset[NGROUPS]; int i; pbuf[0] = '/'; strcpy(pbuf+1, key + (v[1] ? strlen(v[1]) : 0)); #ifdef DEBUG printf("path = %s, uid = %d, gid = %d\n", pbuf, pcr->pcr_uid, pcr->pcr_groups[0]); #endif for (i = 0; i < pcr->pcr_ngroups; i++) gidset[i] = pcr->pcr_groups[i]; if (setgroups(pcr->pcr_ngroups, gidset) < 0) return (errno); if (seteuid(pcr->pcr_uid) < 0) return (errno); fd = open(pbuf, O_RDWR|O_CREAT, 0666); if (fd < 0) error = errno; else error = 0; if (seteuid((uid_t) 0) < 0) { /* XXX - should reset gidset too */ error = errno; syslog(LOG_ERR, "setcred: %s", strerror(error)); if (fd >= 0) { (void) close(fd); fd = -1; } } if (error == 0) *fdp = fd; #ifdef DEBUG fprintf(stderr, "pt_file returns *fdp = %d, error = %d\n", *fdp, error); #endif return (error); }