1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 #ident "%Z%%M% %I% %E% SMI" /* from SVR4 bnu:gwd.c 2.5 */ 27 28 #include "uucp.h" 29 30 /* 31 * gwd - get working directory 32 * Uid and Euid are global 33 * return 34 * 0 - ok 35 * FAIL - failed 36 */ 37 38 int 39 gwd(wkdir) 40 char *wkdir; 41 { 42 FILE *fp; 43 char cmd[BUFSIZ]; 44 45 *wkdir = '\0'; 46 (void) sprintf(cmd, "%s pwd 2>&-", PATH); 47 48 #ifndef V7 49 (void) setuid(Uid); 50 fp = popen(cmd, "r"); 51 (void) setuid(Euid); 52 #else 53 fp = popen(cmd, "r"); 54 #endif 55 56 if (fp == NULL) 57 return(FAIL); 58 59 if (fgets(wkdir, MAXFULLNAME, fp) == NULL) { 60 (void) pclose(fp); 61 return(FAIL); 62 } 63 if (wkdir[strlen(wkdir)-1] == '\n') 64 wkdir[strlen(wkdir)-1] = '\0'; 65 (void) pclose(fp); 66 return(0); 67 } 68 69 70 /* 71 * uidstat(file, &statbuf) 72 * This is a stat call with the uid set from Euid to Uid. 73 * Used from uucp.c and uux.c to permit file copies 74 * from directories that may not be searchable by other. 75 * return: 76 * same as stat() 77 */ 78 79 int 80 uidstat(file, buf) 81 char *file; 82 struct stat *buf; 83 { 84 #ifndef V7 85 register ret; 86 87 (void) setuid(Uid); 88 ret = stat(file, buf); 89 (void) setuid(Euid); 90 return(ret); 91 #else /* V7 */ 92 int ret; 93 94 if (vfork() == 0) { 95 (void) setuid(Uid); 96 _exit(stat(file, buf)); 97 } 98 wait(&ret); 99 return(ret); 100 #endif /* V7 */ 101 } 102