1 /* vi: set sw=4 ts=4: */
3 * Copyright (C) 2003 by Glenn McGrath
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 "libcoreutils/coreutils.h"
15 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
16 static const char install_longopts[] ALIGN1 =
17 "directory\0" No_argument "d"
18 "preserve-timestamps\0" No_argument "p"
19 "strip\0" No_argument "s"
20 "group\0" No_argument "g"
21 "mode\0" No_argument "m"
22 "owner\0" No_argument "o"
23 /* autofs build insists of using -b --suffix=.orig */
24 /* TODO? (short option for --suffix is -S) */
26 "context\0" Required_argument "Z"
27 "preserve_context\0" No_argument "\xff"
28 "preserve-context\0" No_argument "\xff"
35 static void setdefaultfilecon(const char *path)
38 security_context_t scontext = NULL;
40 if (!is_selinux_enabled()) {
43 if (lstat(path, &s) != 0) {
47 if (matchpathcon(path, s.st_mode, &scontext) < 0) {
50 if (strcmp(scontext, "<<none>>") == 0) {
54 if (lsetfilecon(path, scontext) < 0) {
55 if (errno != ENOTSUP) {
56 bb_perror_msg("warning: failed to change context of %s to %s", path, scontext);
66 int install_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
67 int install_main(int argc, char **argv)
77 int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
79 int ret = EXIT_SUCCESS;
82 security_context_t scontext;
83 bool use_default_selinux_context = 1;
89 OPT_DIRECTORY = 1 << 3,
90 OPT_PRESERVE_TIME = 1 << 4,
96 OPT_SET_SECURITY_CONTEXT = 1 << 9,
97 OPT_PRESERVE_SECURITY_CONTEXT = 1 << 10,
101 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
102 applet_long_options = install_longopts;
104 opt_complementary = "s--d:d--s" USE_SELINUX(":Z--\xff:\xff--Z");
105 /* -c exists for backwards compatibility, it's needed */
106 /* -v is ignored ("print name of each created directory") */
107 /* -b is ignored ("make a backup of each existing destination file") */
108 flags = getopt32(argv, "cvb" "dpsg:m:o:" USE_SELINUX("Z:"),
109 &gid_str, &mode_str, &uid_str USE_SELINUX(, &scontext));
114 if (flags & (OPT_PRESERVE_SECURITY_CONTEXT|OPT_SET_SECURITY_CONTEXT)) {
116 use_default_selinux_context = 0;
117 if (flags & OPT_PRESERVE_SECURITY_CONTEXT) {
118 copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
120 if (flags & OPT_SET_SECURITY_CONTEXT) {
121 setfscreatecon_or_die(scontext);
122 copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
127 /* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */
128 if (flags & OPT_PRESERVE_TIME) {
129 copy_flags |= FILEUTILS_PRESERVE_STATUS;
132 if (flags & OPT_MODE)
133 bb_parse_mode(mode_str, &mode);
134 uid = (flags & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
135 gid = (flags & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
136 if (flags & (OPT_OWNER|OPT_GROUP))
139 /* Create directories
140 * don't use bb_make_directory() as it can't change uid or gid
141 * perhaps bb_make_directory() should be improved.
143 if (flags & OPT_DIRECTORY) {
144 while ((arg = *argv++) != NULL) {
147 slash = strchr(slash + 1, '/');
150 if (mkdir(arg, mode | 0111) == -1) {
151 if (errno != EEXIST) {
152 bb_perror_msg("cannot create %s", arg);
156 } /* dir was created, chown? */
157 else if ((flags & (OPT_OWNER|OPT_GROUP))
158 && lchown(arg, uid, gid) == -1
160 bb_perror_msg("cannot change ownership of %s", arg);
175 last = argv[argc - 1];
176 argv[argc - 1] = NULL;
177 /* coreutils install resolves link in this case, don't use lstat */
178 isdir = stat(last, &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
180 while ((arg = *argv++) != NULL) {
183 dest = concat_path_file(last, basename(arg));
184 if (copy_file(arg, dest, copy_flags)) {
185 /* copy is not made */
190 /* Set the file mode */
191 if ((flags & OPT_MODE) && chmod(dest, mode) == -1) {
192 bb_perror_msg("cannot change permissions of %s", dest);
196 if (use_default_selinux_context)
197 setdefaultfilecon(dest);
199 /* Set the user and group id */
200 if ((flags & (OPT_OWNER|OPT_GROUP))
201 && lchown(dest, uid, gid) == -1
203 bb_perror_msg("cannot change ownership of %s", dest);
206 if (flags & OPT_STRIP) {
208 args[0] = (char*)"strip";
211 if (spawn_and_wait(args)) {
212 bb_perror_msg("strip");
217 if (ENABLE_FEATURE_CLEAN_UP && isdir)