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" 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 opts
= getopt32(argv
, "cvb" "Ddpsg:m:o:" USE_SELINUX("Z:"),
109 &gid_str
, &mode_str
, &uid_str
USE_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
;
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
, basename(arg
));
171 if (copy_file(arg
, dest
, copy_flags
)) {
172 /* copy is not made */
178 /* Set the file mode */
179 if ((opts
& OPT_MODE
) && chmod(dest
, mode
) == -1) {
180 bb_perror_msg("can't change %s of %s", "permissions", dest
);
184 if (use_default_selinux_context
)
185 setdefaultfilecon(dest
);
187 /* Set the user and group id */
188 if ((opts
& (OPT_OWNER
|OPT_GROUP
))
189 && lchown(dest
, uid
, gid
) == -1
191 bb_perror_msg("can't change %s of %s", "ownership", dest
);
194 if (opts
& OPT_STRIP
) {
196 args
[0] = (char*)"strip";
199 if (spawn_and_wait(args
)) {
200 bb_perror_msg("strip");
205 if (ENABLE_FEATURE_CLEAN_UP
&& isdir
)