| File: | src/usr.sbin/mtree/mtree.c |
| Warning: | line 132, column 2 Value stored to 'argv' is never read |
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| 1 | /* $OpenBSD: mtree.c,v 1.27 2021/11/15 15:14:24 millert Exp $ */ |
| 2 | /* $NetBSD: mtree.c,v 1.7 1996/09/05 23:29:22 thorpej Exp $ */ |
| 3 | |
| 4 | /*- |
| 5 | * Copyright (c) 1989, 1990, 1993 |
| 6 | * The Regents of the University of California. All rights reserved. |
| 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. Neither the name of the University nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/stat.h> |
| 34 | #include <err.h> |
| 35 | #include <errno(*__errno()).h> |
| 36 | #include <unistd.h> |
| 37 | #include <stdio.h> |
| 38 | #include <limits.h> |
| 39 | #include <fts.h> |
| 40 | #include <grp.h> |
| 41 | #include <pwd.h> |
| 42 | #include "mtree.h" |
| 43 | #include "extern.h" |
| 44 | |
| 45 | extern u_int32_t crc_total; |
| 46 | |
| 47 | int ftsoptions = FTS_PHYSICAL0x0010; |
| 48 | int cflag, dflag, eflag, iflag, lflag, nflag, qflag, rflag, sflag, tflag, |
| 49 | uflag, Uflag; |
| 50 | u_int keys; |
| 51 | char fullpath[PATH_MAX1024]; |
| 52 | |
| 53 | static void usage(void); |
| 54 | |
| 55 | int |
| 56 | main(int argc, char *argv[]) |
| 57 | { |
| 58 | int ch; |
| 59 | char *dir, *p; |
| 60 | int status; |
| 61 | |
| 62 | dir = NULL((void *)0); |
| 63 | keys = KEYDEFAULT(0x000004 | 0x000080 | 0x000100 | 0x001000 | 0x002000 | 0x004000 | 0x010000); |
| 64 | while ((ch = getopt(argc, argv, "cdef:iK:k:lnp:qrs:tUux")) != -1) |
| 65 | switch(ch) { |
| 66 | case 'c': |
| 67 | cflag = 1; |
| 68 | break; |
| 69 | case 'd': |
| 70 | dflag = 1; |
| 71 | break; |
| 72 | case 'e': |
| 73 | eflag = 1; |
| 74 | break; |
| 75 | case 'f': |
| 76 | if (!(freopen(optarg, "r", stdin(&__sF[0])))) |
| 77 | error("%s: %s", optarg, strerror(errno(*__errno()))); |
| 78 | break; |
| 79 | case 'i': |
| 80 | iflag = 1; |
| 81 | break; |
| 82 | case 'K': |
| 83 | while ((p = strsep(&optarg, " \t,")) != NULL((void *)0)) |
| 84 | if (*p != '\0') |
| 85 | keys |= parsekey(p, NULL((void *)0)); |
| 86 | break; |
| 87 | case 'k': |
| 88 | keys = F_TYPE0x008000; |
| 89 | while ((p = strsep(&optarg, " \t,")) != NULL((void *)0)) |
| 90 | if (*p != '\0') |
| 91 | keys |= parsekey(p, NULL((void *)0)); |
| 92 | break; |
| 93 | case 'l': |
| 94 | lflag = 1; |
| 95 | break; |
| 96 | case 'n': |
| 97 | nflag = 1; |
| 98 | break; |
| 99 | case 'p': |
| 100 | dir = optarg; |
| 101 | break; |
| 102 | case 'q': |
| 103 | qflag = 1; |
| 104 | break; |
| 105 | case 'r': |
| 106 | rflag = 1; |
| 107 | break; |
| 108 | case 's': |
| 109 | sflag = 1; |
| 110 | crc_total = ~strtol(optarg, &p, 0); |
| 111 | if (*p) |
| 112 | error("illegal seed value -- %s", optarg); |
| 113 | break; |
| 114 | case 't': |
| 115 | tflag = 1; |
| 116 | break; |
| 117 | case 'U': |
| 118 | Uflag = 1; |
| 119 | uflag = 1; |
| 120 | break; |
| 121 | case 'u': |
| 122 | uflag = 1; |
| 123 | break; |
| 124 | case 'x': |
| 125 | ftsoptions |= FTS_XDEV0x0040; |
| 126 | break; |
| 127 | case '?': |
| 128 | default: |
| 129 | usage(); |
| 130 | } |
| 131 | argc -= optind; |
| 132 | argv += optind; |
Value stored to 'argv' is never read | |
| 133 | |
| 134 | if (argc) |
| 135 | usage(); |
| 136 | |
| 137 | /* |
| 138 | * If uflag is set we can't make any pledges because we must be able |
| 139 | * to chown and place setugid bits. Make sure that we're pledged |
| 140 | * when -c was specified. |
| 141 | */ |
| 142 | if (!uflag || cflag) { |
| 143 | if (rflag && tflag) { |
| 144 | if (pledge("stdio rpath cpath getpw fattr", NULL((void *)0)) == -1) |
| 145 | err(1, "pledge"); |
| 146 | } else if (rflag && !tflag) { |
| 147 | if (pledge("stdio rpath cpath getpw", NULL((void *)0)) == -1) |
| 148 | err(1, "pledge"); |
| 149 | } else if (!rflag && tflag) { |
| 150 | if (pledge("stdio rpath getpw fattr", NULL((void *)0)) == -1) |
| 151 | err(1, "pledge"); |
| 152 | } else { |
| 153 | if (pledge("stdio rpath getpw", NULL((void *)0)) == -1) |
| 154 | err(1, "pledge"); |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | /* Keep passwd and group files open for faster lookups. */ |
| 159 | setpassent(1); |
| 160 | setgroupent(1); |
| 161 | |
| 162 | if (dir && chdir(dir)) |
| 163 | error("%s: %s", dir, strerror(errno(*__errno()))); |
| 164 | |
| 165 | if ((cflag || sflag) && !getcwd(fullpath, sizeof fullpath)) |
| 166 | error("getcwd: %s", strerror(errno(*__errno()))); |
| 167 | |
| 168 | if (lflag == 1 && uflag == 1) |
| 169 | error("-l and -u flags are mutually exclusive"); |
| 170 | |
| 171 | if (cflag) { |
| 172 | cwalk(); |
| 173 | exit(0); |
| 174 | } |
| 175 | status = verify(); |
| 176 | if (Uflag && (status == MISMATCHEXIT2)) |
| 177 | status = 0; |
| 178 | exit(status); |
| 179 | } |
| 180 | |
| 181 | static void |
| 182 | usage(void) |
| 183 | { |
| 184 | (void)fprintf(stderr(&__sF[2]), |
| 185 | "usage: mtree [-cdeilnqrtUux] [-f spec] [-K keywords] " |
| 186 | "[-k keywords] [-p path]\n" |
| 187 | " [-s seed]\n"); |
| 188 | exit(1); |
| 189 | } |