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 const char copyright[] = 39 "@(#) Copyright (c) 1990, 1993, 1994\n\ 40 The Regents of the University of California. All rights reserved.\n"; 41 #endif 42 43 #if 0 44 #ifndef lint 45 static char sccsid[] = "@(#)ar.c 8.3 (Berkeley) 4/2/94"; 46 #endif 47 #endif 48 49 #include <sys/cdefs.h> 50 __FBSDID("$FreeBSD$"); 51 52 #include <sys/param.h> 53 54 #include <ar.h> 55 #include <dirent.h> 56 #include <err.h> 57 #include <libgen.h> 58 #include <paths.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 #include <unistd.h> 63 #include <locale.h> 64 65 #include "archive.h" 66 #include "extern.h" 67 68 CHDR chdr; 69 u_int options; 70 char *archive, *posarg, *posname; 71 const char *envtmp; 72 static void badoptions(const char *); 73 static void usage(void); 74 75 /* 76 * main -- 77 * main basically uses getopt to parse options and calls the appropriate 78 * functions. Some hacks that let us be backward compatible with 4.3 ar 79 * option parsing and sanity checking. 80 */ 81 int 82 main(int argc, char **argv) 83 { 84 int c; 85 char *p; 86 int (*fcall)(char **) = NULL; 87 88 (void) setlocale(LC_TIME, "");; 89 90 if (argc < 3) 91 usage(); 92 93 /* 94 * Historic versions didn't require a '-' in front of the options. 95 * Fix it, if necessary. 96 */ 97 if (*argv[1] != '-') { 98 if (!(p = malloc((u_int)(strlen(argv[1]) + 2)))) 99 err(1, NULL); 100 *p = '-'; 101 (void)strcpy(p + 1, argv[1]); 102 argv[1] = p; 103 } 104 105 while ((c = getopt(argc, argv, "abcdilmopqrTtuvx")) != -1) { 106 switch(c) { 107 case 'a': 108 options |= AR_A; 109 break; 110 case 'b': 111 case 'i': 112 options |= AR_B; 113 break; 114 case 'c': 115 options |= AR_C; 116 break; 117 case 'd': 118 options |= AR_D; 119 fcall = delete; 120 break; 121 case 'l': /* not documented, compatibility only */ 122 envtmp = "."; 123 break; 124 case 'm': 125 options |= AR_M; 126 fcall = move; 127 break; 128 case 'o': 129 options |= AR_O; 130 break; 131 case 'p': 132 options |= AR_P; 133 fcall = print; 134 break; 135 case 'q': 136 options |= AR_Q; 137 fcall = append; 138 break; 139 case 'r': 140 options |= AR_R; 141 fcall = replace; 142 break; 143 case 'T': 144 options |= AR_TR; 145 break; 146 case 't': 147 options |= AR_T; 148 fcall = contents; 149 break; 150 case 'u': 151 options |= AR_U; 152 break; 153 case 'v': 154 options |= AR_V; 155 break; 156 case 'x': 157 options |= AR_X; 158 fcall = extract; 159 break; 160 default: 161 usage(); 162 } 163 } 164 165 argv += optind; 166 argc -= optind; 167 168 /* One of -dmpqrtx required. */ 169 if (!(options & (AR_D|AR_M|AR_P|AR_Q|AR_R|AR_T|AR_X))) { 170 warnx("one of options -dmpqrtx is required"); 171 usage(); 172 } 173 /* Only one of -a and -bi allowed. */ 174 if (options & AR_A && options & AR_B) { 175 warnx("only one of -a and -[bi] options allowed"); 176 usage(); 177 } 178 /* -ab require a position argument. */ 179 if (options & (AR_A|AR_B)) { 180 if (!(posarg = *argv++)) { 181 warnx("no position operand specified"); 182 usage(); 183 } 184 posname = basename(posarg); 185 } 186 /* -d only valid with -Tv. */ 187 if (options & AR_D && options & ~(AR_D|AR_TR|AR_V)) 188 badoptions("-d"); 189 /* -m only valid with -abiTv. */ 190 if (options & AR_M && options & ~(AR_A|AR_B|AR_M|AR_TR|AR_V)) 191 badoptions("-m"); 192 /* -p only valid with -Tv. */ 193 if (options & AR_P && options & ~(AR_P|AR_TR|AR_V)) 194 badoptions("-p"); 195 /* -q only valid with -cTv. */ 196 if (options & AR_Q && options & ~(AR_C|AR_Q|AR_TR|AR_V)) 197 badoptions("-q"); 198 /* -r only valid with -abcuTv. */ 199 if (options & AR_R && options & ~(AR_A|AR_B|AR_C|AR_R|AR_U|AR_TR|AR_V)) 200 badoptions("-r"); 201 /* -t only valid with -Tv. */ 202 if (options & AR_T && options & ~(AR_T|AR_TR|AR_V)) 203 badoptions("-t"); 204 /* -x only valid with -ouTv. */ 205 if (options & AR_X && options & ~(AR_O|AR_U|AR_TR|AR_V|AR_X)) 206 badoptions("-x"); 207 208 if (!(archive = *argv++)) { 209 warnx("no archive specified"); 210 usage(); 211 } 212 213 /* -dmr require a list of archive elements. */ 214 if (options & (AR_D|AR_M|AR_R) && !*argv) { 215 warnx("no archive members specified"); 216 usage(); 217 } 218 219 exit((*fcall)(argv)); 220 } 221 222 static void 223 badoptions(arg) 224 const char *arg; 225 { 226 227 warnx("illegal option combination for %s", arg); 228 usage(); 229 } 230 231 static void 232 usage() 233 { 234 235 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n%s\n", 236 "usage: ar -d [-Tv] archive file ...", 237 " ar -m [-Tv] archive file ...", 238 " ar -m [-abiTv] position archive file ...", 239 " ar -p [-Tv] archive [file ...]", 240 " ar -q [-cTv] archive file ...", 241 " ar -r [-cuTv] archive file ...", 242 " ar -r [-abciuTv] position archive file ...", 243 " ar -t [-Tv] archive [file ...]", 244 " ar -x [-ouTv] archive [file ...]"); 245 exit(1); 246 } 247