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 source tree.
9 /* -v, -b, -c are ignored */
10 //usage:#define install_trivial_usage
11 //usage: "[-cdDsp] [-o USER] [-g GRP] [-m MODE] [SOURCE]... DEST"
12 //usage:#define install_full_usage "\n\n"
13 //usage: "Copy files and set attributes\n"
14 //usage: "\n -c Just copy (default)"
15 //usage: "\n -d Create directories"
16 //usage: "\n -D Create leading target directories"
17 //usage: "\n -s Strip symbol table"
18 //usage: "\n -p Preserve date"
19 //usage: "\n -o USER Set ownership"
20 //usage: "\n -g GRP Set group ownership"
21 //usage: "\n -m MODE Set permissions"
23 //usage: "\n -Z Set security context"
27 #include "libcoreutils/coreutils.h"
29 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
30 static const char install_longopts[] ALIGN1 =
31 "directory\0" No_argument "d"
32 "preserve-timestamps\0" No_argument "p"
33 "strip\0" No_argument "s"
34 "group\0" Required_argument "g"
35 "mode\0" Required_argument "m"
36 "owner\0" Required_argument "o"
37 /* autofs build insists of using -b --suffix=.orig */
38 /* TODO? (short option for --suffix is -S) */
40 "context\0" Required_argument "Z"
41 "preserve_context\0" No_argument "\xff"
42 "preserve-context\0" No_argument "\xff"
49 static void setdefaultfilecon(const char *path)
52 security_context_t scontext = NULL;
54 if (!is_selinux_enabled()) {
57 if (lstat(path, &s) != 0) {
61 if (matchpathcon(path, s.st_mode, &scontext) < 0) {
64 if (strcmp(scontext, "<<none>>") == 0) {
68 if (lsetfilecon(path, scontext) < 0) {
69 if (errno != ENOTSUP) {
70 bb_perror_msg("warning: can't change context"
71 " of %s to %s", path, scontext);
81 int install_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
82 int install_main(int argc, char **argv)
92 int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
95 int ret = EXIT_SUCCESS;
98 security_context_t scontext;
99 bool use_default_selinux_context = 1;
105 OPT_MKDIR_LEADING = 1 << 3,
106 OPT_DIRECTORY = 1 << 4,
107 OPT_PRESERVE_TIME = 1 << 5,
113 OPT_SET_SECURITY_CONTEXT = 1 << 10,
114 OPT_PRESERVE_SECURITY_CONTEXT = 1 << 11,
118 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
119 applet_long_options = install_longopts;
121 opt_complementary = "s--d:d--s" IF_FEATURE_INSTALL_LONG_OPTIONS(IF_SELINUX(":Z--\xff:\xff--Z"));
122 /* -c exists for backwards compatibility, it's needed */
123 /* -v is ignored ("print name of each created directory") */
124 /* -b is ignored ("make a backup of each existing destination file") */
125 opts = getopt32(argv, "cvb" "Ddpsg:m:o:" IF_SELINUX("Z:"),
126 &gid_str, &mode_str, &uid_str IF_SELINUX(, &scontext));
131 if (opts & (OPT_PRESERVE_SECURITY_CONTEXT|OPT_SET_SECURITY_CONTEXT)) {
133 use_default_selinux_context = 0;
134 if (opts & OPT_PRESERVE_SECURITY_CONTEXT) {
135 copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
137 if (opts & OPT_SET_SECURITY_CONTEXT) {
138 setfscreatecon_or_die(scontext);
139 copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
144 /* preserve access and modification time, this is GNU behaviour,
145 * BSD only preserves modification time */
146 if (opts & OPT_PRESERVE_TIME) {
147 copy_flags |= FILEUTILS_PRESERVE_STATUS;
149 mode = 0755; /* GNU coreutils 6.10 compat */
151 bb_parse_mode(mode_str, &mode);
152 uid = (opts & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
153 gid = (opts & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
155 last = argv[argc - 1];
156 if (!(opts & OPT_DIRECTORY)) {
157 argv[argc - 1] = NULL;
160 /* coreutils install resolves link in this case, don't use lstat */
161 isdir = stat(last, &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
167 while ((arg = *argv++) != NULL) {
169 if (opts & OPT_DIRECTORY) {
171 /* GNU coreutils 6.9 does not set uid:gid
172 * on intermediate created directories
173 * (only on last one) */
174 if (bb_make_directory(dest, 0755, FILEUTILS_RECUR)) {
179 if (opts & OPT_MKDIR_LEADING) {
180 char *ddir = xstrdup(dest);
181 bb_make_directory(dirname(ddir), 0755, FILEUTILS_RECUR);
182 /* errors are not checked. copy_file
183 * will fail if dir is not created. */
187 dest = concat_path_file(last, bb_basename(arg));
188 if (copy_file(arg, dest, copy_flags) != 0) {
189 /* copy is not made */
193 if (opts & OPT_STRIP) {
195 args[0] = (char*)"strip";
196 args[1] = (char*)"-p"; /* -p --preserve-dates */
199 if (spawn_and_wait(args)) {
200 bb_perror_msg("strip");
206 /* Set the file mode (always, not only with -m).
207 * GNU coreutils 6.10 is not affected by umask. */
208 if (chmod(dest, mode) == -1) {
209 bb_perror_msg("can't change %s of %s", "permissions", dest);
213 if (use_default_selinux_context)
214 setdefaultfilecon(dest);
216 /* Set the user and group id */
217 if ((opts & (OPT_OWNER|OPT_GROUP))
218 && lchown(dest, uid, gid) == -1
220 bb_perror_msg("can't change %s of %s", "ownership", dest);
224 if (ENABLE_FEATURE_CLEAN_UP && isdir)