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 <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"
26 /* autofs build insists of using -b --suffix=.orig */
27 /* TODO? (short option for --suffix is -S) */
29 "context\0" Required_argument "Z"
30 "preserve_context\0" No_argument "\xff"
31 "preserve-context\0" No_argument "\xff"
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) MAIN_EXTERNALLY_VISIBLE;
70 int install_main(int argc, char **argv)
80 int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
82 int ret = EXIT_SUCCESS;
85 security_context_t scontext;
86 bool use_default_selinux_context = 1;
92 OPT_DIRECTORY = 1 << 3,
93 OPT_PRESERVE_TIME = 1 << 4,
99 OPT_SET_SECURITY_CONTEXT = 1 << 9,
100 OPT_PRESERVE_SECURITY_CONTEXT = 1 << 10,
104 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
105 applet_long_options = install_longopts;
107 opt_complementary = "s--d:d--s" USE_SELINUX(":Z--\xff:\xff--Z");
108 /* -c exists for backwards compatibility, it's needed */
109 /* -v is ignored ("print name of each created directory") */
110 /* -b is ignored ("make a backup of each existing destination file") */
111 flags = getopt32(argv, "cvb" "dpsg:m:o:" USE_SELINUX("Z:"),
112 &gid_str, &mode_str, &uid_str USE_SELINUX(, &scontext));
117 if (flags & (OPT_PRESERVE_SECURITY_CONTEXT|OPT_SET_SECURITY_CONTEXT)) {
119 use_default_selinux_context = 0;
120 if (flags & OPT_PRESERVE_SECURITY_CONTEXT) {
121 copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
123 if (flags & OPT_SET_SECURITY_CONTEXT) {
124 setfscreatecon_or_die(scontext);
125 copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
130 /* preserve access and modification time, this is GNU behaviour, BSD only preserves modification time */
131 if (flags & OPT_PRESERVE_TIME) {
132 copy_flags |= FILEUTILS_PRESERVE_STATUS;
135 if (flags & OPT_MODE)
136 bb_parse_mode(mode_str, &mode);
137 uid = (flags & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
138 gid = (flags & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
139 if (flags & (OPT_OWNER|OPT_GROUP))
142 /* Create directories
143 * don't use bb_make_directory() as it can't change uid or gid
144 * perhaps bb_make_directory() should be improved.
146 if (flags & OPT_DIRECTORY) {
147 while ((arg = *argv++) != NULL) {
150 slash = strchr(slash + 1, '/');
153 if (mkdir(arg, mode | 0111) == -1) {
154 if (errno != EEXIST) {
155 bb_perror_msg("cannot create %s", arg);
159 } /* dir was created, chown? */
160 else if ((flags & (OPT_OWNER|OPT_GROUP))
161 && lchown(arg, uid, gid) == -1
163 bb_perror_msg("cannot change ownership of %s", arg);
178 last = argv[argc - 1];
179 argv[argc - 1] = NULL;
180 /* coreutils install resolves link in this case, don't use lstat */
181 isdir = stat(last, &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
183 while ((arg = *argv++) != NULL) {
186 dest = concat_path_file(last, basename(arg));
187 if (copy_file(arg, dest, copy_flags)) {
188 /* copy is not made */
193 /* Set the file mode */
194 if ((flags & OPT_MODE) && chmod(dest, mode) == -1) {
195 bb_perror_msg("cannot change permissions of %s", dest);
199 if (use_default_selinux_context)
200 setdefaultfilecon(dest);
202 /* Set the user and group id */
203 if ((flags & (OPT_OWNER|OPT_GROUP))
204 && lchown(dest, uid, gid) == -1
206 bb_perror_msg("cannot change ownership of %s", dest);
209 if (flags & OPT_STRIP) {
211 args[0] = (char*)"strip";
214 if (spawn_and_wait(args)) {
215 bb_perror_msg("strip");
220 if (ENABLE_FEATURE_CLEAN_UP && isdir)