[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/selinux/chcon.c b/ap/app/busybox/src/selinux/chcon.c
new file mode 100644
index 0000000..f947c2c
--- /dev/null
+++ b/ap/app/busybox/src/selinux/chcon.c
@@ -0,0 +1,211 @@
+/*
+ * chcon -- change security context, based on coreutils-5.97-13
+ *
+ * Port to busybox: KaiGai Kohei <kaigai@kaigai.gr.jp>
+ *
+ * Copyright (C) 2006 - 2007 KaiGai Kohei <kaigai@kaigai.gr.jp>
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+
+//usage:#define chcon_trivial_usage
+//usage: "[OPTIONS] CONTEXT FILE..."
+//usage: "\n chcon [OPTIONS] [-u USER] [-r ROLE] [-l RANGE] [-t TYPE] FILE..."
+//usage: IF_FEATURE_CHCON_LONG_OPTIONS(
+//usage: "\n chcon [OPTIONS] --reference=RFILE FILE..."
+//usage: )
+//usage:#define chcon_full_usage "\n\n"
+//usage: "Change the security context of each FILE to CONTEXT\n"
+//usage: IF_FEATURE_CHCON_LONG_OPTIONS(
+//usage: "\n -v,--verbose Verbose"
+//usage: "\n -c,--changes Report changes made"
+//usage: "\n -h,--no-dereference Affect symlinks instead of their targets"
+//usage: "\n -f,--silent,--quiet Suppress most error messages"
+//usage: "\n --reference=RFILE Use RFILE's group instead of using a CONTEXT value"
+//usage: "\n -u,--user=USER Set user/role/type/range in the target"
+//usage: "\n -r,--role=ROLE security context"
+//usage: "\n -t,--type=TYPE"
+//usage: "\n -l,--range=RANGE"
+//usage: "\n -R,--recursive Recurse"
+//usage: )
+//usage: IF_NOT_FEATURE_CHCON_LONG_OPTIONS(
+//usage: "\n -v Verbose"
+//usage: "\n -c Report changes made"
+//usage: "\n -h Affect symlinks instead of their targets"
+//usage: "\n -f Suppress most error messages"
+//usage: "\n -u USER Set user/role/type/range in the target security context"
+//usage: "\n -r ROLE"
+//usage: "\n -t TYPE"
+//usage: "\n -l RNG"
+//usage: "\n -R Recurse"
+//usage: )
+
+#include <selinux/context.h>
+
+#include "libbb.h"
+
+#define OPT_RECURSIVE (1<<0) /* 'R' */
+#define OPT_CHANHES (1<<1) /* 'c' */
+#define OPT_NODEREFERENCE (1<<2) /* 'h' */
+#define OPT_QUIET (1<<3) /* 'f' */
+#define OPT_USER (1<<4) /* 'u' */
+#define OPT_ROLE (1<<5) /* 'r' */
+#define OPT_TYPE (1<<6) /* 't' */
+#define OPT_RANGE (1<<7) /* 'l' */
+#define OPT_VERBOSE (1<<8) /* 'v' */
+#define OPT_REFERENCE ((1<<9) * ENABLE_FEATURE_CHCON_LONG_OPTIONS)
+#define OPT_COMPONENT_SPECIFIED (OPT_USER | OPT_ROLE | OPT_TYPE | OPT_RANGE)
+
+static char *user = NULL;
+static char *role = NULL;
+static char *type = NULL;
+static char *range = NULL;
+static char *specified_context = NULL;
+
+static int FAST_FUNC change_filedir_context(
+ const char *fname,
+ struct stat *stbuf UNUSED_PARAM,
+ void *userData UNUSED_PARAM,
+ int depth UNUSED_PARAM)
+{
+ context_t context = NULL;
+ security_context_t file_context = NULL;
+ security_context_t context_string;
+ int rc = FALSE;
+ int status = 0;
+
+ if (option_mask32 & OPT_NODEREFERENCE) {
+ status = lgetfilecon(fname, &file_context);
+ } else {
+ status = getfilecon(fname, &file_context);
+ }
+ if (status < 0 && errno != ENODATA) {
+ if ((option_mask32 & OPT_QUIET) == 0)
+ bb_error_msg("can't obtain security context: %s", fname);
+ goto skip;
+ }
+
+ if (file_context == NULL && specified_context == NULL) {
+ bb_error_msg("can't apply partial context to unlabeled file %s", fname);
+ goto skip;
+ }
+
+ if (specified_context == NULL) {
+ context = set_security_context_component(file_context,
+ user, role, type, range);
+ if (!context) {
+ bb_error_msg("can't compute security context from %s", file_context);
+ goto skip;
+ }
+ } else {
+ context = context_new(specified_context);
+ if (!context) {
+ bb_error_msg("invalid context: %s", specified_context);
+ goto skip;
+ }
+ }
+
+ context_string = context_str(context);
+ if (!context_string) {
+ bb_error_msg("can't obtain security context in text expression");
+ goto skip;
+ }
+
+ if (file_context == NULL || strcmp(context_string, file_context) != 0) {
+ int fail;
+
+ if (option_mask32 & OPT_NODEREFERENCE) {
+ fail = lsetfilecon(fname, context_string);
+ } else {
+ fail = setfilecon(fname, context_string);
+ }
+ if ((option_mask32 & OPT_VERBOSE) || ((option_mask32 & OPT_CHANHES) && !fail)) {
+ printf(!fail
+ ? "context of %s changed to %s\n"
+ : "can't change context of %s to %s\n",
+ fname, context_string);
+ }
+ if (!fail) {
+ rc = TRUE;
+ } else if ((option_mask32 & OPT_QUIET) == 0) {
+ bb_error_msg("can't change context of %s to %s",
+ fname, context_string);
+ }
+ } else if (option_mask32 & OPT_VERBOSE) {
+ printf("context of %s retained as %s\n", fname, context_string);
+ rc = TRUE;
+ }
+skip:
+ context_free(context);
+ freecon(file_context);
+
+ return rc;
+}
+
+#if ENABLE_FEATURE_CHCON_LONG_OPTIONS
+static const char chcon_longopts[] ALIGN1 =
+ "recursive\0" No_argument "R"
+ "changes\0" No_argument "c"
+ "no-dereference\0" No_argument "h"
+ "silent\0" No_argument "f"
+ "quiet\0" No_argument "f"
+ "user\0" Required_argument "u"
+ "role\0" Required_argument "r"
+ "type\0" Required_argument "t"
+ "range\0" Required_argument "l"
+ "verbose\0" No_argument "v"
+ "reference\0" Required_argument "\xff" /* no short option */
+ ;
+#endif
+
+int chcon_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int chcon_main(int argc UNUSED_PARAM, char **argv)
+{
+ char *reference_file;
+ char *fname;
+ int i, errors = 0;
+
+#if ENABLE_FEATURE_CHCON_LONG_OPTIONS
+ applet_long_options = chcon_longopts;
+#endif
+ opt_complementary = "-1" /* at least 1 param */
+ ":?" /* error if exclusivity constraints are violated */
+#if ENABLE_FEATURE_CHCON_LONG_OPTIONS
+ ":\xff--urtl:u--\xff:r--\xff:t--\xff:l--\xff"
+#endif
+ ":f--v:v--f"; /* 'verbose' and 'quiet' are exclusive */
+ getopt32(argv, "Rchfu:r:t:l:v",
+ &user, &role, &type, &range, &reference_file);
+ argv += optind;
+
+#if ENABLE_FEATURE_CHCON_LONG_OPTIONS
+ if (option_mask32 & OPT_REFERENCE) {
+ /* FIXME: lgetfilecon() should be used when '-h' is specified.
+ * But current implementation follows the original one. */
+ if (getfilecon(reference_file, &specified_context) < 0)
+ bb_perror_msg_and_die("getfilecon('%s') failed", reference_file);
+ } else
+#endif
+ if ((option_mask32 & OPT_COMPONENT_SPECIFIED) == 0) {
+ specified_context = *argv++;
+ /* specified_context is never NULL -
+ * "-1" in opt_complementary prevents this. */
+ if (!argv[0])
+ bb_error_msg_and_die("too few arguments");
+ }
+
+ for (i = 0; (fname = argv[i]) != NULL; i++) {
+ int fname_len = strlen(fname);
+ while (fname_len > 1 && fname[fname_len - 1] == '/')
+ fname_len--;
+ fname[fname_len] = '\0';
+
+ if (recursive_action(fname,
+ 1<<option_mask32 & OPT_RECURSIVE,
+ change_filedir_context,
+ change_filedir_context,
+ NULL, 0) != TRUE)
+ errors = 1;
+ }
+ return errors;
+}