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.
10 #include "libcoreutils/coreutils.h"
12 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
13 static const char install_longopts[] ALIGN1 =
14 "directory\0" No_argument "d"
15 "preserve-timestamps\0" No_argument "p"
16 "strip\0" No_argument "s"
17 "group\0" Required_argument "g"
18 "mode\0" Required_argument "m"
19 "owner\0" Required_argument "o"
20 /* autofs build insists of using -b --suffix=.orig */
21 /* TODO? (short option for --suffix is -S) */
23 "context\0" Required_argument "Z"
24 "preserve_context\0" No_argument "\xff"
25 "preserve-context\0" No_argument "\xff"
32 static void setdefaultfilecon(const char *path)
35 security_context_t scontext = NULL;
37 if (!is_selinux_enabled()) {
40 if (lstat(path, &s) != 0) {
44 if (matchpathcon(path, s.st_mode, &scontext) < 0) {
47 if (strcmp(scontext, "<<none>>") == 0) {
51 if (lsetfilecon(path, scontext) < 0) {
52 if (errno != ENOTSUP) {
53 bb_perror_msg("warning: failed to change context"
54 " of %s to %s", path, scontext);
64 int install_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
65 int install_main(int argc, char **argv)
75 int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
78 int ret = EXIT_SUCCESS;
81 security_context_t scontext;
82 bool use_default_selinux_context = 1;
88 OPT_MKDIR_LEADING = 1 << 3,
89 OPT_DIRECTORY = 1 << 4,
90 OPT_PRESERVE_TIME = 1 << 5,
96 OPT_SET_SECURITY_CONTEXT = 1 << 10,
97 OPT_PRESERVE_SECURITY_CONTEXT = 1 << 11,
101 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
102 applet_long_options = install_longopts;
104 opt_complementary = "s--d:d--s" IF_FEATURE_INSTALL_LONG_OPTIONS(IF_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 opts = getopt32(argv, "cvb" "Ddpsg:m:o:" IF_SELINUX("Z:"),
109 &gid_str, &mode_str, &uid_str IF_SELINUX(, &scontext));
114 if (opts & (OPT_PRESERVE_SECURITY_CONTEXT|OPT_SET_SECURITY_CONTEXT)) {
116 use_default_selinux_context = 0;
117 if (opts & OPT_PRESERVE_SECURITY_CONTEXT) {
118 copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
120 if (opts & 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,
128 * BSD only preserves modification time */
129 if (opts & OPT_PRESERVE_TIME) {
130 copy_flags |= FILEUTILS_PRESERVE_STATUS;
132 mode = 0755; /* GNU coreutils 6.10 compat */
134 bb_parse_mode(mode_str, &mode);
135 uid = (opts & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
136 gid = (opts & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
138 last = argv[argc - 1];
139 if (!(opts & OPT_DIRECTORY)) {
140 argv[argc - 1] = NULL;
143 /* coreutils install resolves link in this case, don't use lstat */
144 isdir = stat(last, &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
150 while ((arg = *argv++) != NULL) {
152 if (opts & OPT_DIRECTORY) {
154 /* GNU coreutils 6.9 does not set uid:gid
155 * on intermediate created directories
156 * (only on last one) */
157 if (bb_make_directory(dest, 0755, FILEUTILS_RECUR)) {
162 if (opts & OPT_MKDIR_LEADING) {
163 char *ddir = xstrdup(dest);
164 bb_make_directory(dirname(ddir), 0755, FILEUTILS_RECUR);
165 /* errors are not checked. copy_file
166 * will fail if dir is not created. */
170 dest = concat_path_file(last, bb_basename(arg));
171 if (copy_file(arg, dest, copy_flags) != 0) {
172 /* copy is not made */
176 if (opts & OPT_STRIP) {
178 args[0] = (char*)"strip";
179 args[1] = (char*)"-p"; /* -p --preserve-dates */
182 if (spawn_and_wait(args)) {
183 bb_perror_msg("strip");
189 /* Set the file mode (always, not only with -m).
190 * GNU coreutils 6.10 is not affected by umask. */
191 if (chmod(dest, mode) == -1) {
192 bb_perror_msg("can't change %s of %s", "permissions", dest);
196 if (use_default_selinux_context)
197 setdefaultfilecon(dest);
199 /* Set the user and group id */
200 if ((opts & (OPT_OWNER|OPT_GROUP))
201 && lchown(dest, uid, gid) == -1
203 bb_perror_msg("can't change %s of %s", "ownership", dest);
207 if (ENABLE_FEATURE_CLEAN_UP && isdir)