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 */ 27 28 /* 29 * This program was originally written long ago, originally for a non 30 * BSD-like OS without mkstemp(). It's been modified over the years 31 * to use mkstemp() rather than the original O_CREAT|O_EXCL/fstat/lstat 32 * etc style hacks. 33 * A cleanup, misc options and mkdtemp() calls were added to try and work 34 * more like the OpenBSD version - which was first to publish the interface. 35 */ 36 37 #include <err.h> 38 #include <paths.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <string.h> 42 #include <unistd.h> 43 44 #ifndef lint 45 static const char rcsid[] = 46 "$FreeBSD$"; 47 #endif /* not lint */ 48 49 static void usage(void); 50 51 int 52 main(int argc, char **argv) 53 { 54 int c, fd, ret; 55 char *tmpdir; 56 const char *prefix; 57 char *name; 58 int dflag, qflag, tflag, uflag; 59 60 ret = dflag = qflag = tflag = uflag = 0; 61 prefix = "mktemp"; 62 name = NULL; 63 64 while ((c = getopt(argc, argv, "dqt:u")) != -1) 65 switch (c) { 66 case 'd': 67 dflag++; 68 break; 69 70 case 'q': 71 qflag++; 72 break; 73 74 case 't': 75 prefix = optarg; 76 tflag++; 77 break; 78 79 case 'u': 80 uflag++; 81 break; 82 83 default: 84 usage(); 85 } 86 87 argc -= optind; 88 argv += optind; 89 90 if (tflag) { 91 tmpdir = getenv("TMPDIR"); 92 if (tmpdir == NULL) 93 asprintf(&name, "%s%s.XXXXXXXX", _PATH_TMP, prefix); 94 else 95 asprintf(&name, "%s/%s.XXXXXXXX", tmpdir, prefix); 96 /* if this fails, the program is in big trouble already */ 97 if (name == NULL) { 98 if (qflag) 99 return (1); 100 else 101 errx(1, "cannot generate template"); 102 } 103 } else if (argc < 1) { 104 usage(); 105 } 106 107 /* generate all requested files */ 108 while (name != NULL || argc > 0) { 109 if (name == NULL) { 110 name = strdup(argv[0]); 111 argv++; 112 argc--; 113 } 114 115 if (dflag) { 116 if (mkdtemp(name) == NULL) { 117 ret = 1; 118 if (!qflag) 119 warn("mkdtemp failed on %s", name); 120 } else { 121 printf("%s\n", name); 122 if (uflag) 123 rmdir(name); 124 } 125 } else { 126 fd = mkstemp(name); 127 if (fd < 0) { 128 ret = 1; 129 if (!qflag) 130 warn("mkstemp failed on %s", name); 131 } else { 132 close(fd); 133 if (uflag) 134 unlink(name); 135 printf("%s\n", name); 136 } 137 } 138 if (name) 139 free(name); 140 name = NULL; 141 } 142 return (ret); 143 } 144 145 static void 146 usage(void) 147 { 148 fprintf(stderr, 149 "usage: mktemp [-d] [-q] [-t prefix] [-u] template ...\n"); 150 fprintf(stderr, 151 " mktemp [-d] [-q] [-u] -t prefix \n"); 152 exit (1); 153 } 154