1 /* vi: set sw=4 ts=4: */
3 * Copyright (C) 2003 by Glenn McGrath <bug1@iinet.net.au>
4 * SELinux support: by Yuichi Nakamura <ynakam@hitachisoft.jp>
6 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
8 * TODO: -d option, need a way of recursively making directories and changing
9 * owner/group, will probably modify bb_make_directory(...)
13 #include <getopt.h> /* struct option */
16 #include "libcoreutils/coreutils.h"
18 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
19 static const char install_longopts[] ALIGN1 =
20 "directory\0" No_argument "d"
21 "preserve-timestamps\0" No_argument "p"
22 "strip\0" No_argument "s"
23 "group\0" No_argument "g"
24 "mode\0" No_argument "m"
25 "owner\0" No_argument "o"
27 "context\0" Required_argument "Z"
28 "preserve_context\0" No_argument "\xff"
29 "preserve-context\0" No_argument "\xff"
36 static bool use_default_selinux_context = 1;
38 static void setdefaultfilecon(const char *path)
41 security_context_t scontext = NULL;
43 if (!is_selinux_enabled()) {
46 if (lstat(path, &s) != 0) {
50 if (matchpathcon(path, s.st_mode, &scontext) < 0) {
53 if (strcmp(scontext, "<<none>>") == 0) {
57 if (lsetfilecon(path, scontext) < 0) {
58 if (errno != ENOTSUP) {
59 bb_perror_msg("warning: failed to change context of %s to %s", path, scontext);
69 int install_main(int argc, char **argv);
70 int install_main(int argc, char **argv)
79 int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
80 int ret = EXIT_SUCCESS, flags, i, isdir;
82 security_context_t scontext;
87 OPT_PRESERVE_TIME = 0x4,
93 OPT_SET_SECURITY_CONTEXT = 0x80,
94 OPT_PRESERVE_SECURITY_CONTEXT = 0x100,
98 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
99 applet_long_options = install_longopts;
101 opt_complementary = "s--d:d--s" USE_SELINUX(":Z--\xff:\xff--Z");
102 /* -c exists for backwards compatibility, it's needed */
104 flags = getopt32(argc, argv, "cdpsg:m:o:" USE_SELINUX("Z:"),
105 &gid_str, &mode_str, &uid_str USE_SELINUX(, &scontext));
108 if (flags & OPT_PRESERVE_SECURITY_CONTEXT) {
109 use_default_selinux_context = 0;
110 copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
113 if (flags & OPT_SET_SECURITY_CONTEXT) {
115 setfscreatecon_or_die(scontext);
116 use_default_selinux_context = 0;
117 copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
121 /* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */
122 if (flags & OPT_PRESERVE_TIME) {
123 copy_flags |= FILEUTILS_PRESERVE_STATUS;
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);
131 /* Create directories
132 * don't use bb_make_directory() as it can't change uid or gid
133 * perhaps bb_make_directory() should be improved.
135 if (flags & OPT_DIRECTORY) {
136 for (argv += optind; *argv; argv++) {
137 char *old_argv_ptr = *argv + 1;
140 argv_ptr = strchr(old_argv_ptr, '/');
141 old_argv_ptr = argv_ptr;
146 if (mkdir(*argv, mode | 0111) == -1) {
147 if (errno != EEXIST) {
148 bb_perror_msg("cannot create %s", *argv);
153 if ((flags & (OPT_OWNER|OPT_GROUP))
154 && lchown(*argv, uid, gid) == -1
156 bb_perror_msg("cannot change ownership of %s", *argv);
163 } while (old_argv_ptr);
168 /* coreutils install resolves link in this case, don't use lstat */
169 isdir = stat(argv[argc - 1], &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
171 for (i = optind; i < argc - 1; i++) {
174 dest = argv[argc - 1];
176 dest = concat_path_file(argv[argc - 1], basename(argv[i]));
177 ret |= copy_file(argv[i], dest, copy_flags);
179 /* Set the file mode */
180 if ((flags & OPT_MODE) && chmod(dest, mode) == -1) {
181 bb_perror_msg("cannot change permissions of %s", dest);
185 if (use_default_selinux_context)
186 setdefaultfilecon(dest);
188 /* Set the user and group id */
189 if ((flags & (OPT_OWNER|OPT_GROUP))
190 && lchown(dest, uid, gid) == -1
192 bb_perror_msg("cannot change ownership of %s", dest);
195 if (flags & OPT_STRIP) {
197 args[0] = (char*)"strip";
200 if (spawn_and_wait(args)) {
201 bb_perror_msg("strip");
205 if (ENABLE_FEATURE_CLEAN_UP && isdir) free(dest);