1 /*- 2 * Copyright (c) 1990, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Hugh Smith at The University of Guelph. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 37 #ifndef lint 38 static char copyright[] = 39 "@(#) Copyright (c) 1990, 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif /* not lint */ 42 43 #ifndef lint 44 static char sccsid[] = "@(#)ar.c 8.3 (Berkeley) 4/2/94"; 45 #endif /* not lint */ 46 47 #include <sys/param.h> 48 49 #include <ar.h> 50 #include <dirent.h> 51 #include <err.h> 52 #include <paths.h> 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <string.h> 56 #include <unistd.h> 57 58 #include "archive.h" 59 #include "extern.h" 60 61 CHDR chdr; 62 u_int options; 63 char *archive, *envtmp, *posarg, *posname; 64 static void badoptions __P((char *)); 65 static void usage __P((void)); 66 67 /* 68 * main -- 69 * main basically uses getopt to parse options and calls the appropriate 70 * functions. Some hacks that let us be backward compatible with 4.3 ar 71 * option parsing and sanity checking. 72 */ 73 int 74 main(argc, argv) 75 int argc; 76 char **argv; 77 { 78 int c; 79 char *p; 80 int (*fcall) __P((char **)); 81 82 if (argc < 3) 83 usage(); 84 85 /* 86 * Historic versions didn't require a '-' in front of the options. 87 * Fix it, if necessary. 88 */ 89 if (*argv[1] != '-') { 90 if (!(p = malloc((u_int)(strlen(argv[1]) + 2)))) 91 err(1, NULL); 92 *p = '-'; 93 (void)strcpy(p + 1, argv[1]); 94 argv[1] = p; 95 } 96 97 while ((c = getopt(argc, argv, "abcdilmopqrTtuvx")) != EOF) { 98 switch(c) { 99 case 'a': 100 options |= AR_A; 101 break; 102 case 'b': 103 case 'i': 104 options |= AR_B; 105 break; 106 case 'c': 107 options |= AR_C; 108 break; 109 case 'd': 110 options |= AR_D; 111 fcall = delete; 112 break; 113 case 'l': /* not documented, compatibility only */ 114 envtmp = "."; 115 break; 116 case 'm': 117 options |= AR_M; 118 fcall = move; 119 break; 120 case 'o': 121 options |= AR_O; 122 break; 123 case 'p': 124 options |= AR_P; 125 fcall = print; 126 break; 127 case 'q': 128 options |= AR_Q; 129 fcall = append; 130 break; 131 case 'r': 132 options |= AR_R; 133 fcall = replace; 134 break; 135 case 'T': 136 options |= AR_TR; 137 break; 138 case 't': 139 options |= AR_T; 140 fcall = contents; 141 break; 142 case 'u': 143 options |= AR_U; 144 break; 145 case 'v': 146 options |= AR_V; 147 break; 148 case 'x': 149 options |= AR_X; 150 fcall = extract; 151 break; 152 default: 153 usage(); 154 } 155 } 156 157 argv += optind; 158 argc -= optind; 159 160 /* One of -dmpqrtx required. */ 161 if (!(options & (AR_D|AR_M|AR_P|AR_Q|AR_R|AR_T|AR_X))) { 162 warnx("one of options -dmpqrtx is required"); 163 usage(); 164 } 165 /* Only one of -a and -bi allowed. */ 166 if (options & AR_A && options & AR_B) { 167 warnx("only one of -a and -[bi] options allowed"); 168 usage(); 169 } 170 /* -ab require a position argument. */ 171 if (options & (AR_A|AR_B)) { 172 if (!(posarg = *argv++)) { 173 warnx("no position operand specified"); 174 usage(); 175 } 176 posname = rname(posarg); 177 } 178 /* -d only valid with -Tv. */ 179 if (options & AR_D && options & ~(AR_D|AR_TR|AR_V)) 180 badoptions("-d"); 181 /* -m only valid with -abiTv. */ 182 if (options & AR_M && options & ~(AR_A|AR_B|AR_M|AR_TR|AR_V)) 183 badoptions("-m"); 184 /* -p only valid with -Tv. */ 185 if (options & AR_P && options & ~(AR_P|AR_TR|AR_V)) 186 badoptions("-p"); 187 /* -q only valid with -cTv. */ 188 if (options & AR_Q && options & ~(AR_C|AR_Q|AR_TR|AR_V)) 189 badoptions("-q"); 190 /* -r only valid with -abcuTv. */ 191 if (options & AR_R && options & ~(AR_A|AR_B|AR_C|AR_R|AR_U|AR_TR|AR_V)) 192 badoptions("-r"); 193 /* -t only valid with -Tv. */ 194 if (options & AR_T && options & ~(AR_T|AR_TR|AR_V)) 195 badoptions("-t"); 196 /* -x only valid with -ouTv. */ 197 if (options & AR_X && options & ~(AR_O|AR_U|AR_TR|AR_V|AR_X)) 198 badoptions("-x"); 199 200 if (!(archive = *argv++)) { 201 warnx("no archive specified"); 202 usage(); 203 } 204 205 /* -dmqr require a list of archive elements. */ 206 if (options & (AR_D|AR_M|AR_Q|AR_R) && !*argv) { 207 warnx("no archive members specified"); 208 usage(); 209 } 210 211 exit((*fcall)(argv)); 212 } 213 214 static void 215 badoptions(arg) 216 char *arg; 217 { 218 219 warnx("illegal option combination for %s", arg); 220 usage(); 221 } 222 223 static void 224 usage() 225 { 226 227 (void)fprintf(stderr, "usage: ar -d [-Tv] archive file ...\n"); 228 (void)fprintf(stderr, "\tar -m [-Tv] archive file ...\n"); 229 (void)fprintf(stderr, "\tar -m [-abiTv] position archive file ...\n"); 230 (void)fprintf(stderr, "\tar -p [-Tv] archive [file ...]\n"); 231 (void)fprintf(stderr, "\tar -q [-cTv] archive file ...\n"); 232 (void)fprintf(stderr, "\tar -r [-cuTv] archive file ...\n"); 233 (void)fprintf(stderr, "\tar -r [-abciuTv] position archive file ...\n"); 234 (void)fprintf(stderr, "\tar -t [-Tv] archive [file ...]\n"); 235 (void)fprintf(stderr, "\tar -x [-ouTv] archive [file ...]\n"); 236 exit(1); 237 } 238