7 files changed, 300 insertions, 0 deletions

diff --git a/selinux/Config.in b/selinux/Config.in
new file mode 100644
index 000000000..b078ee59e
--- /dev/null
+++ b/selinux/Config.in
@@ -0,0 +1,47 @@
+#
+# For a description of the syntax of this configuration file,
+# see scripts/kbuild/config-language.txt.
+#
+
+menu "Selinux Utilities"
+        depends on SELINUX
+
+config GETENFORCE
+        bool "getenforce"
+        default n
+        depends on SELINUX
+        help
+          Enable support to get the current mode of SELinux.
+
+config GETSEBOOL
+        bool "getsebool"
+        default n
+        depends on SELINUX
+        help
+          Enable support to get SELinux boolean values.
+
+config MATCHPATHCON
+        bool "matchpathcon"
+        default n
+        depends on SELINUX
+        help
+          Enable support to get default security context of the
+          specified path from the file contexts configuration.
+
+config SELINUXENABLED
+        bool "selinuxenabled"
+        default n
+        depends on SELINUX
+        help
+          Enable support for this command to be used within shell scripts
+          to determine if selinux is enabled.
+
+config SETENFORCE
+        bool "setenforce"
+        default n
+        depends on SELINUX
+        help
+          Enable support to modify the mode SELinux is running in.
+
+endmenu
+
diff --git a/selinux/Kbuild b/selinux/Kbuild
new file mode 100644
index 000000000..8371df8e4
--- /dev/null
+++ b/selinux/Kbuild
@@ -0,0 +1,13 @@
+# Makefile for busybox
+#
+# Copyright (C) 1999-2005 by Erik Andersen <andersen@codepoet.org>
+# Copyright (C) 2007 by KaiGai Kohei <kaigai@kaigai.gr.jp>
+#
+# Licensed under the GPL v2, see the file LICENSE in this tarball.
+
+lib-y:=
+lib-$(CONFIG_GETENFORCE)        += getenforce.o
+lib-$(CONFIG_GETSEBOOL)         += getsebool.o
+lib-$(CONFIG_MATCHPATHCON)      += matchpathcon.o
+lib-$(CONFIG_SELINUXENABLED)    += selinuxenabled.o
+lib-$(CONFIG_SETENFORCE)        += setenforce.o
diff --git a/selinux/getenforce.c b/selinux/getenforce.c
new file mode 100644
index 000000000..e240e4dca
--- /dev/null
+++ b/selinux/getenforce.c
@@ -0,0 +1,33 @@
+/*
+ * getenforce
+ *
+ * Based on libselinux 1.33.1
+ * Port to BusyBox  Hiroshi Shinji <shiroshi@my.email.ne.jp>
+ *
+ */
+
+#include "busybox.h"
+
+int getenforce_main(int argc, char **argv)
+{
+        int rc;
+
+        rc = is_selinux_enabled();
+        if (rc < 0)
+                bb_error_msg_and_die("is_selinux_enabled() failed");
+
+        if (rc == 1) {
+                rc = security_getenforce();
+                if (rc < 0)
+                        bb_error_msg_and_die("getenforce() failed");
+
+                if (rc)
+                        puts("Enforcing");
+                else
+                        puts("Permissive");
+        } else {
+                puts("Disabled");
+        }
+
+        return 0;
+}
diff --git a/selinux/getsebool.c b/selinux/getsebool.c
new file mode 100644
index 000000000..d593937ba
--- /dev/null
+++ b/selinux/getsebool.c
@@ -0,0 +1,65 @@
+/*
+ * getsebool
+ *
+ * Based on libselinux 1.33.1
+ * Port to BusyBox  Hiroshi Shinji <shiroshi@my.email.ne.jp>
+ *
+ */
+
+#include "busybox.h"
+
+int getsebool_main(int argc, char **argv)
+{
+        int i, rc = 0, active, pending, len = 0;
+        char **names;
+        unsigned opt;
+
+        selinux_or_die();
+        opt = getopt32(argc, argv, "a");
+
+        if (opt) { /* -a */
+                if (argc > 2)
+                        bb_show_usage();
+
+                rc = security_get_boolean_names(&names, &len);
+                if (rc)
+                        bb_perror_msg_and_die("cannot get boolean names");
+
+                if (!len) {
+                        puts("No booleans");
+                        return 0;
+                }
+        }
+
+        if (!len) {
+                if (argc < 2)
+                        bb_show_usage();
+                len = argc - 1;
+                names = xmalloc(sizeof(char *) * len);
+                for (i = 0; i < len; i++)
+                        names[i] = xstrdup(argv[i + 1]);
+        }
+
+        for (i = 0; i < len; i++) {
+                active = security_get_boolean_active(names[i]);
+                if (active < 0) {
+                        bb_error_msg_and_die("error getting active value for %s", names[i]);
+                }
+                pending = security_get_boolean_pending(names[i]);
+                if (pending < 0) {
+                        bb_error_msg_and_die("error getting pending value for %s", names[i]);
+                }
+                printf("%s --> %s", names[i], (active ? "on" : "off"));
+                if (pending != active)
+                        printf(" pending: %s", (pending ? "on" : "off"));
+                putchar('\n');
+        }
+
+        if (ENABLE_FEATURE_CLEAN_UP) {
+                for (i = 0; i < len; i++)
+                        free(names[i]);
+                free(names);
+        }
+
+        return rc;
+}
diff --git a/selinux/matchpathcon.c b/selinux/matchpathcon.c
new file mode 100644
index 000000000..4fa95b0ef
--- /dev/null
+++ b/selinux/matchpathcon.c
@@ -0,0 +1,85 @@
+/* matchpathcon  -  get the default security context for the specified
+ *                  path from the file contexts configuration.
+ *                  based on libselinux-1.32
+ * Port to busybox: KaiGai Kohei <kaigai@kaigai.gr.jp>
+ *
+ */
+#include "busybox.h"
+
+static int print_matchpathcon(char *path, int noprint)
+{
+        char *buf;
+        int rc = matchpathcon(path, 0, &buf);
+        if (rc < 0) {
+                bb_perror_msg("matchpathcon(%s) failed", path);
+                return 1;
+        }
+        if (!noprint)
+                printf("%s\t%s\n", path, buf);
+        else
+                printf("%s\n", buf);
+
+        freecon(buf);
+        return 0;
+}
+
+#define OPT_NOT_PRINT   (1<<0)  /* -n */
+#define OPT_NOT_TRANS   (1<<1)  /* -N */
+#define OPT_FCONTEXT    (1<<2)  /* -f */
+#define OPT_PREFIX      (1<<3)  /* -p */
+#define OPT_VERIFY      (1<<4)  /* -V */
+
+int matchpathcon_main(int argc, char **argv)
+{
+        int error = 0;
+        unsigned opts;
+        char *fcontext, *prefix, *path;
+
+        opt_complementary = "-1:" /* at least one param reqd */
+                "f--p:p--f"; /* mutually exclusive */
+        opts = getopt32(argc, argv, "nNf:p:V", &fcontext, &prefix);
+        argv += optind;
+
+        if (opts & OPT_NOT_TRANS) {
+                set_matchpathcon_flags(NOTRANS);
+        }
+        if (opts & OPT_FCONTEXT) {
+                if (matchpathcon_init(fcontext))
+                        bb_perror_msg_and_die("error while processing %s", fcontext);
+        }
+        if (opts & OPT_PREFIX) {
+                if (matchpathcon_init_prefix(NULL, prefix))
+                        bb_perror_msg_and_die("error while processing %s", prefix);
+        }
+
+        while((path = *argv++) != NULL) {
+                security_context_t con;
+                int rc;
+
+                if (!(opts & OPT_VERIFY)) {
+                        error += print_matchpathcon(path, opt & OPT_NOT_PRINT);
+                        continue;
+                }
+
+                if (selinux_file_context_verify(path, 0)) {
+                        printf("%s verified\n", path);
+                        continue;
+                }
+
+                if (opts & OPT_NOT_TRANS)
+                        rc = lgetfilecon_raw(path, &con);
+                else
+                        rc = lgetfilecon(path, &con);
+
+                if (rc >= 0) {
+                        printf("%s has context %s, should be ", path, con);
+                        error += print_matchpathcon(path, 1);
+                        freecon(con);
+                        continue;
+                }
+                printf("actual context unknown: %s, should be ", strerror(errno));
+                error += print_matchpathcon(path, 1);
+        }
+        matchpathcon_fini();
+        return error;
+}
diff --git a/selinux/selinuxenabled.c b/selinux/selinuxenabled.c
new file mode 100644
index 000000000..b34228098
--- /dev/null
+++ b/selinux/selinuxenabled.c
@@ -0,0 +1,13 @@
+/*
+ * selinuxenabled
+ * 
+ * Based on libselinux 1.33.1
+ * Port to BusyBox  Hiroshi Shinji <shiroshi@my.email.ne.jp>
+ *
+ */
+#include "busybox.h"
+
+int selinuxenabled_main(int argc, char **argv)
+{
+        return !is_selinux_enabled();
+}
diff --git a/selinux/setenforce.c b/selinux/setenforce.c
new file mode 100644
index 000000000..670e30086
--- /dev/null
+++ b/selinux/setenforce.c
@@ -0,0 +1,44 @@
+/*
+ * setenforce
+ *
+ * Based on libselinux 1.33.1
+ * Port to BusyBox  Hiroshi Shinji <shiroshi@my.email.ne.jp>
+ *
+ */
+
+#include "busybox.h"
+
+static const smallint setenforce_mode[] = {
+        0,
+        1,
+        0,
+        1,
+};
+static const char *const setenforce_cmd[] = {
+        "0",
+        "1",
+        "permissive",
+        "enforcing",
+        NULL,
+};
+
+int setenforce_main(int argc, char **argv)
+{
+        int i, rc;
+
+        if (argc != 2)
+                bb_show_usage();
+
+        selinux_or_die();
+
+        for (i = 0; setenforce_cmd[i]; i++) {
+                if (strcasecmp(argv[1], setenforce_cmd[i]) != 0)
+                        continue;
+                rc = security_setenforce(setenforce_mode[i]);
+                if (rc < 0)
+                        bb_perror_msg_and_die("setenforce() failed");
+                return 0;
+        }
+
+        bb_show_usage();
+}