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] [-t DIR] [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"
22 //usage: "\n -t DIR Install to DIR"
24 //usage: "\n -Z Set security context"
28 #include "libcoreutils/coreutils.h"
30 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
31 static const char install_longopts[] ALIGN1 =
33 "verbose\0" No_argument "v"
35 "directory\0" No_argument "d"
36 "preserve-timestamps\0" No_argument "p"
37 "strip\0" No_argument "s"
38 "group\0" Required_argument "g"
39 "mode\0" Required_argument "m"
40 "owner\0" Required_argument "o"
41 "target-directory\0" Required_argument "t"
42 /* autofs build insists of using -b --suffix=.orig */
43 /* TODO? (short option for --suffix is -S) */
45 "context\0" Required_argument "Z"
46 "preserve_context\0" No_argument "\xff"
47 "preserve-context\0" No_argument "\xff"
54 static void setdefaultfilecon(const char *path)
57 security_context_t scontext = NULL;
59 if (!is_selinux_enabled()) {
62 if (lstat(path, &s) != 0) {
66 if (matchpathcon(path, s.st_mode, &scontext) < 0) {
69 if (strcmp(scontext, "<<none>>") == 0) {
73 if (lsetfilecon(path, scontext) < 0) {
74 if (errno != ENOTSUP) {
75 bb_perror_msg("warning: can't change context"
76 " of %s to %s", path, scontext);
86 int install_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
87 int install_main(int argc, char **argv)
97 int mkdir_flags = FILEUTILS_RECUR;
98 int copy_flags = FILEUTILS_DEREFERENCE | FILEUTILS_FORCE;
100 int ret = EXIT_SUCCESS;
103 security_context_t scontext;
104 bool use_default_selinux_context = 1;
110 OPT_MKDIR_LEADING = 1 << 3,
111 OPT_DIRECTORY = 1 << 4,
112 OPT_PRESERVE_TIME = 1 << 5,
117 OPT_TARGET = 1 << 10,
119 OPT_SET_SECURITY_CONTEXT = 1 << 11,
120 OPT_PRESERVE_SECURITY_CONTEXT = 1 << 12,
124 #if ENABLE_FEATURE_INSTALL_LONG_OPTIONS
125 applet_long_options = install_longopts;
127 opt_complementary = "t--d:d--t:s--d:d--s" IF_FEATURE_INSTALL_LONG_OPTIONS(IF_SELINUX(":Z--\xff:\xff--Z"));
128 /* -c exists for backwards compatibility, it's needed */
129 /* -b is ignored ("make a backup of each existing destination file") */
130 opts = getopt32(argv, "cvb" "Ddpsg:m:o:t:" IF_SELINUX("Z:"),
131 &gid_str, &mode_str, &uid_str, &last
132 IF_SELINUX(, &scontext));
137 if (opts & (OPT_PRESERVE_SECURITY_CONTEXT|OPT_SET_SECURITY_CONTEXT)) {
139 use_default_selinux_context = 0;
140 if (opts & OPT_PRESERVE_SECURITY_CONTEXT) {
141 copy_flags |= FILEUTILS_PRESERVE_SECURITY_CONTEXT;
143 if (opts & OPT_SET_SECURITY_CONTEXT) {
144 setfscreatecon_or_die(scontext);
145 copy_flags |= FILEUTILS_SET_SECURITY_CONTEXT;
150 if ((opts & OPT_v) && FILEUTILS_VERBOSE) {
151 mkdir_flags |= FILEUTILS_VERBOSE;
152 copy_flags |= FILEUTILS_VERBOSE;
155 /* preserve access and modification time, this is GNU behaviour,
156 * BSD only preserves modification time */
157 if (opts & OPT_PRESERVE_TIME) {
158 copy_flags |= FILEUTILS_PRESERVE_STATUS;
160 mode = 0755; /* GNU coreutils 6.10 compat */
162 bb_parse_mode(mode_str, &mode);
163 uid = (opts & OPT_OWNER) ? get_ug_id(uid_str, xuname2uid) : getuid();
164 gid = (opts & OPT_GROUP) ? get_ug_id(gid_str, xgroup2gid) : getgid();
166 /* If -t DIR is in use, then isdir=true, last="DIR" */
167 isdir = (opts & OPT_TARGET);
168 if (!(opts & (OPT_TARGET|OPT_DIRECTORY))) {
169 /* Neither -t DIR nor -d is in use */
173 /* coreutils install resolves link in this case, don't use lstat */
174 isdir = stat(last, &statbuf) < 0 ? 0 : S_ISDIR(statbuf.st_mode);
180 while ((arg = *argv++) != NULL) {
183 if (opts & OPT_DIRECTORY) {
185 /* GNU coreutils 6.9 does not set uid:gid
186 * on intermediate created directories
187 * (only on last one) */
188 if (bb_make_directory(dest, 0755, mkdir_flags)) {
194 if (opts & OPT_MKDIR_LEADING) {
195 char *ddir = xstrdup(dest);
196 bb_make_directory(dirname(ddir), 0755, mkdir_flags);
197 /* errors are not checked. copy_file
198 * will fail if dir is not created. */
202 dest = concat_path_file(last, bb_basename(arg));
203 if (copy_file(arg, dest, copy_flags) != 0) {
204 /* copy is not made */
208 if (opts & OPT_STRIP) {
210 args[0] = (char*)"strip";
211 args[1] = (char*)"-p"; /* -p --preserve-dates */
214 if (spawn_and_wait(args)) {
215 bb_perror_msg("strip");
221 /* Set the file mode (always, not only with -m).
222 * GNU coreutils 6.10 is not affected by umask. */
223 if (chmod(dest, mode) == -1) {
224 bb_perror_msg("can't change %s of %s", "permissions", dest);
228 if (use_default_selinux_context)
229 setdefaultfilecon(dest);
231 /* Set the user and group id */
232 if ((opts & (OPT_OWNER|OPT_GROUP))
233 && lchown(dest, uid, gid) == -1
235 bb_perror_msg("can't change %s of %s", "ownership", dest);
239 if (ENABLE_FEATURE_CLEAN_UP && isdir)