1 /*- 2 * Copyright (c) 1994, 1995, 1996, 1998 Peter Wemm <peter@netplex.com.au> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/usr.bin/mktemp/mktemp.c,v 1.2.6.1 2000/10/15 11:37:43 alex Exp $ 27 * $DragonFly: src/usr.bin/mktemp/mktemp.c,v 1.4 2005/01/01 21:10:43 cpressey Exp $ 28 */ 29 30 /* 31 * This program was originally written long ago, originally for a non 32 * BSD-like OS without mkstemp(). It's been modified over the years 33 * to use mkstemp() rather than the original O_CREAT|O_EXCL/fstat/lstat 34 * etc style hacks. 35 * A cleanup, misc options and mkdtemp() calls were added to try and work 36 * more like the OpenBSD version - which was first to publish the interface. 37 */ 38 39 #include <err.h> 40 #include <paths.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <unistd.h> 45 46 static void usage(void); 47 48 int 49 main(int argc, char **argv) 50 { 51 int c, fd, ret; 52 const char *tmpdir, *prefix; 53 char *name; 54 int dflag, qflag, tflag, uflag; 55 56 ret = dflag = qflag = tflag = uflag = 0; 57 prefix = "mktemp"; 58 name = NULL; 59 60 while ((c = getopt(argc, argv, "dqt:u")) != -1) 61 switch (c) { 62 case 'd': 63 dflag++; 64 break; 65 66 case 'q': 67 qflag++; 68 break; 69 70 case 't': 71 prefix = optarg; 72 tflag++; 73 break; 74 75 case 'u': 76 uflag++; 77 break; 78 79 default: 80 usage(); 81 } 82 83 argc -= optind; 84 argv += optind; 85 86 if (tflag) { 87 tmpdir = getenv("TMPDIR"); 88 if (tmpdir == NULL) 89 asprintf(&name, "%s%s.XXXXXXXX", _PATH_TMP, prefix); 90 else 91 asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix); 92 /* if this fails, the program is in big trouble already */ 93 if (name == NULL) { 94 if (qflag) 95 return (1); 96 else 97 errx(1, "cannot generate template"); 98 } 99 } else if (argc < 1) { 100 usage(); 101 } 102 103 /* generate all requested files */ 104 while (name != NULL || argc > 0) { 105 if (name == NULL) { 106 name = strdup(argv[0]); 107 argv++; 108 argc--; 109 } 110 111 if (dflag) { 112 if (mkdtemp(name) == NULL) { 113 ret = 1; 114 if (!qflag) 115 warn("mkdtemp failed on %s", name); 116 } else { 117 printf("%s\n", name); 118 if (uflag) 119 rmdir(name); 120 } 121 } else { 122 fd = mkstemp(name); 123 if (fd < 0) { 124 ret = 1; 125 if (!qflag) 126 warn("mkstemp failed on %s", name); 127 } else { 128 close(fd); 129 if (uflag) 130 unlink(name); 131 printf("%s\n", name); 132 } 133 } 134 if (name) 135 free(name); 136 name = NULL; 137 } 138 return (ret); 139 } 140 141 static void 142 usage(void) 143 { 144 fprintf(stderr, 145 "usage: mktemp [-d] [-q] [-t prefix] [-u] template ...\n"); 146 fprintf(stderr, 147 " mktemp [-d] [-q] [-u] -t prefix \n"); 148 exit (1); 149 } 150