1 | /*-
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2 | * Copyright (c) 1989, 1993, 1994
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3 | * The Regents of the University of California. All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 4. Neither the name of the University nor the names of its contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 |
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30 | #if 0
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31 | #ifndef lint
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32 | static char const copyright[] =
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33 | "@(#) Copyright (c) 1989, 1993, 1994\n\
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34 | The Regents of the University of California. All rights reserved.\n";
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35 | #endif /* not lint */
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36 |
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37 | #ifndef lint
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38 | static char sccsid[] = "@(#)chmod.c 8.8 (Berkeley) 4/1/94";
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39 | #endif /* not lint */
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40 | #endif
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41 | /*#include <sys/cdefs.h> */
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42 | /*__FBSDID("$FreeBSD: src/bin/chmod/chmod.c,v 1.33 2005/01/10 08:39:20 imp Exp $");*/
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43 |
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44 | /*********************************************************************************************************************************
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45 | * Header Files *
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46 | *********************************************************************************************************************************/
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47 | #define FAKES_NO_GETOPT_H /* bird */
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48 | #include "config.h"
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49 | #include <sys/types.h>
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50 | #include <sys/stat.h>
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51 |
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52 | #include "err.h"
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53 | #include <errno.h>
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54 | #include "fts.h"
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55 | #include <limits.h>
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56 | #include <stdio.h>
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57 | #include <stdlib.h>
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58 | #include <string.h>
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59 | #ifndef _MSC_VER
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60 | # include <unistd.h>
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61 | #else
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62 | # include "mscfakes.h"
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63 | #endif
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64 | #ifdef __sun__
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65 | # include "solfakes.h"
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66 | #endif
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67 | #ifdef __HAIKU__
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68 | # include "haikufakes.h"
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69 | #endif
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70 | #include "getopt_r.h"
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71 | #include "kmkbuiltin.h"
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72 |
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73 |
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74 | /*********************************************************************************************************************************
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75 | * Global Variables *
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76 | *********************************************************************************************************************************/
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77 | static struct option long_options[] =
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78 | {
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79 | { "help", no_argument, 0, 261 },
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80 | { "version", no_argument, 0, 262 },
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81 | { 0, 0, 0, 0 },
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82 | };
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83 |
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84 |
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85 | /*********************************************************************************************************************************
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86 | * Internal Functions *
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87 | *********************************************************************************************************************************/
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88 | extern void * bsd_setmode(const char *p);
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89 | extern mode_t bsd_getmode(const void *bbox, mode_t omode);
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90 | extern void bsd_strmode(mode_t mode, char *p);
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91 |
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92 | #if (defined(__APPLE__) && !defined(_DARWIN_FEATURE_UNIX_CONFORMANCE)) || defined(__OpenBSD__)
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93 | extern int lchmod(const char *, mode_t);
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94 | #endif
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95 |
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96 | static int usage(PKMKBUILTINCTX pCtx, int is_err);
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97 |
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98 |
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99 | int
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100 | kmk_builtin_chmod(int argc, char *argv[], char **envp, PKMKBUILTINCTX pCtx)
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101 | {
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102 | struct getopt_state_r gos;
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103 | FTS *ftsp;
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104 | FTSENT *p;
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105 | mode_t *set;
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106 | int Hflag, Lflag, Rflag, ch, fflag, fts_options, hflag, rval;
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107 | int vflag;
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108 | char *mode;
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109 | mode_t newmode;
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110 | int (*change_mode)(const char *, mode_t);
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111 |
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112 | set = NULL;
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113 | Hflag = Lflag = Rflag = fflag = hflag = vflag = 0;
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114 |
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115 | getopt_initialize_r(&gos, argc, argv, "HLPRXfghorstuvwx", long_options, envp, pCtx);
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116 | while ((ch = getopt_long_r(&gos, NULL)) != -1)
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117 | switch (ch) {
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118 | case 'H':
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119 | Hflag = 1;
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120 | Lflag = 0;
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121 | break;
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122 | case 'L':
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123 | Lflag = 1;
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124 | Hflag = 0;
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125 | break;
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126 | case 'P':
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127 | Hflag = Lflag = 0;
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128 | break;
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129 | case 'R':
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130 | Rflag = 1;
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131 | break;
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132 | case 'f':
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133 | fflag = 1;
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134 | break;
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135 | case 'h':
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136 | /*
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137 | * In System V (and probably POSIX.2) the -h option
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138 | * causes chmod to change the mode of the symbolic
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139 | * link. 4.4BSD's symbolic links didn't have modes,
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140 | * so it was an undocumented noop. In FreeBSD 3.0,
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141 | * lchmod(2) is introduced and this option does real
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142 | * work.
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143 | */
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144 | hflag = 1;
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145 | break;
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146 | /*
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147 | * XXX
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148 | * "-[rwx]" are valid mode commands. If they are the entire
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149 | * argument, getopt has moved past them, so decrement optind.
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150 | * Regardless, we're done argument processing.
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151 | */
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152 | case 'g': case 'o': case 'r': case 's':
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153 | case 't': case 'u': case 'w': case 'X': case 'x':
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154 | if (argv[gos.optind - 1][0] == '-' &&
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155 | argv[gos.optind - 1][1] == ch &&
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156 | argv[gos.optind - 1][2] == '\0')
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157 | --gos.optind;
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158 | goto done;
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159 | case 'v':
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160 | vflag++;
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161 | break;
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162 | case 261:
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163 | usage(pCtx, 0);
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164 | return 0;
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165 | case 262:
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166 | return kbuild_version(argv[0]);
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167 | case '?':
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168 | default:
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169 | return usage(pCtx, 1);
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170 | }
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171 | done: argv += gos.optind;
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172 | argc -= gos.optind;
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173 |
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174 | if (argc < 2)
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175 | return usage(pCtx, 1);
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176 |
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177 | if (Rflag) {
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178 | fts_options = FTS_PHYSICAL;
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179 | if (hflag)
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180 | return errx(pCtx, 1,
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181 | "the -R and -h options may not be specified together.");
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182 | if (Hflag)
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183 | fts_options |= FTS_COMFOLLOW;
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184 | if (Lflag) {
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185 | fts_options &= ~FTS_PHYSICAL;
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186 | fts_options |= FTS_LOGICAL;
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187 | }
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188 | } else
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189 | fts_options = hflag ? FTS_PHYSICAL : FTS_LOGICAL;
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190 | #ifndef KMK_BUILTIN_STANDALONE
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191 | fts_options |= FTS_NOCHDIR; /* Don't change the CWD while inside kmk. */
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192 | #endif
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193 |
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194 | if (hflag)
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195 | change_mode = lchmod;
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196 | else
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197 | change_mode = chmod;
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198 |
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199 | mode = *argv;
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200 | if ((set = bsd_setmode(mode)) == NULL)
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201 | return errx(pCtx, 1, "invalid file mode: %s", mode);
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202 |
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203 | if ((ftsp = fts_open(++argv, fts_options, 0)) == NULL)
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204 | return err(pCtx, 1, "fts_open");
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205 | for (rval = 0; (p = fts_read(ftsp)) != NULL;) {
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206 | switch (p->fts_info) {
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207 | case FTS_D: /* Change it at FTS_DP. */
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208 | if (!Rflag)
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209 | fts_set(ftsp, p, FTS_SKIP);
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210 | continue;
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211 | case FTS_DNR: /* Warn, chmod, continue. */
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212 | warnx(pCtx, "fts: %s: %s", p->fts_path, strerror(p->fts_errno));
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213 | rval = 1;
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214 | break;
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215 | case FTS_ERR: /* Warn, continue. */
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216 | case FTS_NS:
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217 | warnx(pCtx, "fts: %s: %s", p->fts_path, strerror(p->fts_errno));
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218 | rval = 1;
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219 | continue;
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220 | case FTS_SL: /* Ignore. */
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221 | case FTS_SLNONE:
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222 | /*
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223 | * The only symlinks that end up here are ones that
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224 | * don't point to anything and ones that we found
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225 | * doing a physical walk.
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226 | */
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227 | if (!hflag)
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228 | continue;
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229 | /* else */
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230 | /* FALLTHROUGH */
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231 | default:
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232 | break;
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233 | }
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234 | newmode = bsd_getmode(set, p->fts_statp->st_mode);
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235 | if ((newmode & ALLPERMS) == (p->fts_statp->st_mode & ALLPERMS))
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236 | continue;
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237 | if ((*change_mode)(p->fts_accpath, newmode) && !fflag) {
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238 | warn(pCtx, "%schmod: %s", hflag ? "l" : "", p->fts_path);
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239 | rval = 1;
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240 | } else {
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241 | if (vflag) {
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242 | kmk_builtin_ctx_printf(pCtx, 0, "%s", p->fts_path);
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243 |
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244 | if (vflag > 1) {
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245 | char m1[12], m2[12];
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246 |
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247 | bsd_strmode(p->fts_statp->st_mode, m1);
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248 | bsd_strmode((p->fts_statp->st_mode &
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249 | S_IFMT) | newmode, m2);
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250 |
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251 | kmk_builtin_ctx_printf(pCtx, 0, ": 0%o [%s] -> 0%o [%s]",
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252 | (unsigned int)p->fts_statp->st_mode, m1,
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253 | (unsigned int)((p->fts_statp->st_mode & S_IFMT) | newmode), m2);
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254 | }
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255 | kmk_builtin_ctx_printf(pCtx, 0, "\n");
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256 | }
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257 |
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258 | }
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259 | }
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260 | if (errno)
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261 | rval = err(pCtx, 1, "fts_read");
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262 | free(set);
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263 | fts_close(ftsp);
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264 | return rval;
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265 | }
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266 |
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267 | int
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268 | usage(PKMKBUILTINCTX pCtx, int is_err)
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269 | {
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270 | kmk_builtin_ctx_printf(pCtx, is_err,
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271 | "usage: %s [-fhv] [-R [-H | -L | -P]] mode file ...\n"
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272 | " or: %s --version\n"
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273 | " or: %s --help\n",
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274 | pCtx->pszProgName, pCtx->pszProgName, pCtx->pszProgName);
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275 |
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276 | return 1;
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277 | }
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278 |
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279 | #ifdef KMK_BUILTIN_STANDALONE
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280 | int main(int argc, char **argv, char **envp)
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281 | {
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282 | KMKBUILTINCTX Ctx = { "kmk_chmod", NULL };
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283 | return kmk_builtin_chmod(argc, argv, envp, &Ctx);
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284 | }
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285 | #endif
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286 |
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