"Robert P. J. Day" | 63fc1a9 | 2006-07-02 19:47:05 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 2 | /* |
Denis Vlasenko | 1203c9b | 2007-03-11 22:16:02 +0000 | [diff] [blame] | 3 | * Copyright (C) 2003 by Glenn McGrath <bug1@iinet.net.au> |
| 4 | * SELinux support: by Yuichi Nakamura <ynakam@hitachisoft.jp> |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 5 | * |
"Robert P. J. Day" | 801ab14 | 2006-07-12 07:56:04 +0000 | [diff] [blame] | 6 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 7 | * |
| 8 | * TODO: -d option, need a way of recursively making directories and changing |
| 9 | * owner/group, will probably modify bb_make_directory(...) |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 10 | */ |
| 11 | |
Rob Landley | 519d7df | 2006-08-09 20:56:23 +0000 | [diff] [blame] | 12 | #include <libgen.h> |
| 13 | #include <getopt.h> /* struct option */ |
Glenn L McGrath | 11e6947 | 2003-11-27 22:40:08 +0000 | [diff] [blame] | 14 | |
Denis Vlasenko | b6adbf1 | 2007-05-26 19:00:18 +0000 | [diff] [blame^] | 15 | #include "libbb.h" |
| 16 | #include "libcoreutils/coreutils.h" |
| 17 | |
Bernhard Reutner-Fischer | 01d23ad | 2006-05-26 20:19:22 +0000 | [diff] [blame] | 18 | #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS |
Glenn L McGrath | ca43b48 | 2004-01-23 21:57:16 +0000 | [diff] [blame] | 19 | static const struct option install_long_options[] = { |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 20 | { "directory", 0, NULL, 'd' }, |
| 21 | { "preserve-timestamps", 0, NULL, 'p' }, |
| 22 | { "strip", 0, NULL, 's' }, |
| 23 | { "group", 0, NULL, 'g' }, |
| 24 | { "mode", 0, NULL, 'm' }, |
| 25 | { "owner", 0, NULL, 'o' }, |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 26 | #if ENABLE_SELINUX |
| 27 | { "context", 1, NULL, 'Z' }, |
| 28 | { "preserve_context", 0, NULL, 0xff }, |
| 29 | { "preserve-context", 0, NULL, 0xff }, |
| 30 | #endif |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 31 | { 0, 0, 0, 0 } |
Glenn L McGrath | ca43b48 | 2004-01-23 21:57:16 +0000 | [diff] [blame] | 32 | }; |
Bernhard Reutner-Fischer | 01d23ad | 2006-05-26 20:19:22 +0000 | [diff] [blame] | 33 | #endif |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 34 | |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 35 | |
| 36 | #if ENABLE_SELINUX |
| 37 | static bool use_default_selinux_context = 1; |
| 38 | |
Denis Vlasenko | ac678ec | 2007-04-16 22:32:04 +0000 | [diff] [blame] | 39 | static void setdefaultfilecon(const char *path) |
| 40 | { |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 41 | struct stat s; |
| 42 | security_context_t scontext = NULL; |
| 43 | |
| 44 | if (!is_selinux_enabled()) { |
| 45 | return; |
Denis Vlasenko | c86e052 | 2007-03-20 11:30:28 +0000 | [diff] [blame] | 46 | } |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 47 | if (lstat(path, &s) != 0) { |
| 48 | return; |
| 49 | } |
| 50 | |
| 51 | if (matchpathcon(path, s.st_mode, &scontext) < 0) { |
| 52 | goto out; |
| 53 | } |
| 54 | if (strcmp(scontext, "<<none>>") == 0) { |
| 55 | goto out; |
| 56 | } |
| 57 | |
| 58 | if (lsetfilecon(path, scontext) < 0) { |
| 59 | if (errno != ENOTSUP) { |
| 60 | bb_perror_msg("warning: failed to change context of %s to %s", path, scontext); |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | out: |
| 65 | freecon(scontext); |
| 66 | } |
| 67 | |
| 68 | #endif |
| 69 | |
Denis Vlasenko | 06af216 | 2007-02-03 17:28:39 +0000 | [diff] [blame] | 70 | int install_main(int argc, char **argv); |
Rob Landley | dfba741 | 2006-03-06 20:47:33 +0000 | [diff] [blame] | 71 | int install_main(int argc, char **argv) |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 72 | { |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 73 | struct stat statbuf; |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 74 | mode_t mode; |
| 75 | uid_t uid; |
| 76 | gid_t gid; |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 77 | const char *gid_str; |
| 78 | const char *uid_str; |
| 79 | const char *mode_str; |
Glenn L McGrath | 11e6947 | 2003-11-27 22:40:08 +0000 | [diff] [blame] | 80 | int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE; |
Rob Landley | ae907f3 | 2005-10-09 11:16:01 +0000 | [diff] [blame] | 81 | int ret = EXIT_SUCCESS, flags, i, isdir; |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 82 | #if ENABLE_SELINUX |
| 83 | security_context_t scontext; |
| 84 | #endif |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 85 | enum { |
| 86 | OPT_CMD = 0x1, |
| 87 | OPT_DIRECTORY = 0x2, |
| 88 | OPT_PRESERVE_TIME = 0x4, |
| 89 | OPT_STRIP = 0x8, |
| 90 | OPT_GROUP = 0x10, |
| 91 | OPT_MODE = 0x20, |
| 92 | OPT_OWNER = 0x40, |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 93 | #if ENABLE_SELINUX |
| 94 | OPT_SET_SECURITY_CONTEXT = 0x80, |
| 95 | OPT_PRESERVE_SECURITY_CONTEXT = 0x100, |
| 96 | #endif |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 97 | }; |
| 98 | |
Bernhard Reutner-Fischer | 01d23ad | 2006-05-26 20:19:22 +0000 | [diff] [blame] | 99 | #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS |
Denis Vlasenko | 67b23e6 | 2006-10-03 21:00:06 +0000 | [diff] [blame] | 100 | applet_long_options = install_long_options; |
Bernhard Reutner-Fischer | 01d23ad | 2006-05-26 20:19:22 +0000 | [diff] [blame] | 101 | #endif |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 102 | opt_complementary = "?:s--d:d--s" USE_SELINUX(":Z--\xff:\xff--Z"); |
| 103 | /* -c exists for backwards compatibility, it's needed */ |
| 104 | |
| 105 | flags = getopt32(argc, argv, "cdpsg:m:o:" USE_SELINUX("Z:"), &gid_str, &mode_str, &uid_str USE_SELINUX(, &scontext)); |
Denis Vlasenko | c86e052 | 2007-03-20 11:30:28 +0000 | [diff] [blame] | 106 | |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 107 | #if ENABLE_SELINUX |
| 108 | if (flags & OPT_PRESERVE_SECURITY_CONTEXT) { |
| 109 | use_default_selinux_context = 0; |
| 110 | copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT; |
| 111 | selinux_or_die(); |
| 112 | } |
| 113 | if (flags & OPT_SET_SECURITY_CONTEXT) { |
| 114 | selinux_or_die(); |
Denis Vlasenko | 39c651e | 2007-03-12 18:22:55 +0000 | [diff] [blame] | 115 | setfscreatecon_or_die(scontext); |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 116 | use_default_selinux_context = 0; |
| 117 | copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT; |
| 118 | } |
| 119 | #endif |
Glenn L McGrath | 11e6947 | 2003-11-27 22:40:08 +0000 | [diff] [blame] | 120 | |
| 121 | /* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */ |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 122 | if (flags & OPT_PRESERVE_TIME) { |
Glenn L McGrath | 11e6947 | 2003-11-27 22:40:08 +0000 | [diff] [blame] | 123 | copy_flags |= FILEUTILS_PRESERVE_STATUS; |
| 124 | } |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 125 | mode = 0666; |
| 126 | if (flags & OPT_MODE) bb_parse_mode(mode_str, &mode); |
| 127 | uid = (flags & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid(); |
| 128 | gid = (flags & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid(); |
| 129 | if (flags & (OPT_OWNER|OPT_GROUP)) umask(0); |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 130 | |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 131 | /* Create directories |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 132 | * don't use bb_make_directory() as it can't change uid or gid |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 133 | * perhaps bb_make_directory() should be improved. |
| 134 | */ |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 135 | if (flags & OPT_DIRECTORY) { |
Glenn L McGrath | a406a9c | 2003-09-24 05:00:29 +0000 | [diff] [blame] | 136 | for (argv += optind; *argv; argv++) { |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 137 | char *old_argv_ptr = *argv + 1; |
| 138 | char *argv_ptr; |
Glenn L McGrath | a406a9c | 2003-09-24 05:00:29 +0000 | [diff] [blame] | 139 | do { |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 140 | argv_ptr = strchr(old_argv_ptr, '/'); |
| 141 | old_argv_ptr = argv_ptr; |
Glenn L McGrath | a406a9c | 2003-09-24 05:00:29 +0000 | [diff] [blame] | 142 | if (argv_ptr) { |
| 143 | *argv_ptr = '\0'; |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 144 | old_argv_ptr++; |
Glenn L McGrath | a406a9c | 2003-09-24 05:00:29 +0000 | [diff] [blame] | 145 | } |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 146 | if (mkdir(*argv, mode | 0111) == -1) { |
Glenn L McGrath | 711bb92 | 2004-01-23 20:28:53 +0000 | [diff] [blame] | 147 | if (errno != EEXIST) { |
Denis Vlasenko | e1a0d48 | 2006-10-20 13:28:22 +0000 | [diff] [blame] | 148 | bb_perror_msg("cannot create %s", *argv); |
Glenn L McGrath | 711bb92 | 2004-01-23 20:28:53 +0000 | [diff] [blame] | 149 | ret = EXIT_FAILURE; |
| 150 | break; |
| 151 | } |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 152 | } |
Denis Vlasenko | 150f402 | 2007-01-13 21:06:21 +0000 | [diff] [blame] | 153 | if ((flags & (OPT_OWNER|OPT_GROUP)) |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 154 | && lchown(*argv, uid, gid) == -1 |
| 155 | ) { |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 156 | bb_perror_msg("cannot change ownership of %s", *argv); |
| 157 | ret = EXIT_FAILURE; |
| 158 | break; |
| 159 | } |
| 160 | if (argv_ptr) { |
| 161 | *argv_ptr = '/'; |
| 162 | } |
| 163 | } while (old_argv_ptr); |
Glenn L McGrath | a406a9c | 2003-09-24 05:00:29 +0000 | [diff] [blame] | 164 | } |
Denis Vlasenko | 079f8af | 2006-11-27 16:49:31 +0000 | [diff] [blame] | 165 | return ret; |
Glenn L McGrath | a406a9c | 2003-09-24 05:00:29 +0000 | [diff] [blame] | 166 | } |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 167 | |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 168 | isdir = lstat(argv[argc - 1], &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode); |
| 169 | |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 170 | for (i = optind; i < argc - 1; i++) { |
Eric Andersen | 5e67887 | 2006-01-30 19:48:23 +0000 | [diff] [blame] | 171 | char *dest; |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 172 | |
Rob Landley | ae907f3 | 2005-10-09 11:16:01 +0000 | [diff] [blame] | 173 | dest = argv[argc - 1]; |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 174 | if (isdir) |
| 175 | dest = concat_path_file(argv[argc - 1], basename(argv[i])); |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 176 | ret |= copy_file(argv[i], dest, copy_flags); |
| 177 | |
| 178 | /* Set the file mode */ |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 179 | if ((flags & OPT_MODE) && chmod(dest, mode) == -1) { |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 180 | bb_perror_msg("cannot change permissions of %s", dest); |
Glenn L McGrath | 578eff5 | 2004-01-23 10:57:00 +0000 | [diff] [blame] | 181 | ret = EXIT_FAILURE; |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 182 | } |
Denis Vlasenko | 49622d7 | 2007-03-10 16:58:49 +0000 | [diff] [blame] | 183 | #if ENABLE_SELINUX |
| 184 | if (use_default_selinux_context) |
| 185 | setdefaultfilecon(dest); |
| 186 | #endif |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 187 | /* Set the user and group id */ |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 188 | if ((flags & (OPT_OWNER|OPT_GROUP)) |
| 189 | && lchown(dest, uid, gid) == -1 |
| 190 | ) { |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 191 | bb_perror_msg("cannot change ownership of %s", dest); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 192 | ret = EXIT_FAILURE; |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 193 | } |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 194 | if (flags & OPT_STRIP) { |
Denis Vlasenko | 1d76f43 | 2007-02-06 01:20:12 +0000 | [diff] [blame] | 195 | if (BB_EXECLP("strip", "strip", dest, NULL) == -1) { |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 196 | bb_perror_msg("strip"); |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 197 | ret = EXIT_FAILURE; |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 198 | } |
| 199 | } |
Denis Vlasenko | 9a44c4f | 2006-12-28 05:44:47 +0000 | [diff] [blame] | 200 | if (ENABLE_FEATURE_CLEAN_UP && isdir) free(dest); |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 201 | } |
Eric Andersen | c7bda1c | 2004-03-15 08:29:22 +0000 | [diff] [blame] | 202 | |
Denis Vlasenko | 079f8af | 2006-11-27 16:49:31 +0000 | [diff] [blame] | 203 | return ret; |
Glenn L McGrath | eebcc1d | 2003-09-24 03:22:57 +0000 | [diff] [blame] | 204 | } |