2 files changed, 24 insertions, 6 deletions

diff --git a/include/libbb.h b/include/libbb.h
index 7b3ac4b85..edb8a6ed4 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -39,6 +39,9 @@
 #include <features.h>
 
 #include "config.h"
+#ifdef CONFIG_SELINUX
+#include <proc_secure.h>
+#endif
 
 #include "pwd_.h"
 #include "grp_.h"
@@ -394,7 +397,11 @@ void bb_xasprintf(char **string_ptr, const char *format, ...) __attribute__ ((fo
 
 #define FAIL_DELAY    3
 extern void change_identity ( const struct passwd *pw );
-extern void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args );
+extern void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args
+#ifdef CONFIG_SELINUX
+        , security_id_t sid
+#endif
+);
 extern int run_parts(char **args, const unsigned char test_mode);
 extern int restricted_shell ( const char *shell );
 extern void setup_environment ( const char *shell, int loginshell, int changeenv, const struct passwd *pw );
@@ -425,7 +432,11 @@ typedef struct {
         char short_cmd[16];
 } procps_status_t;
 
-extern procps_status_t * procps_scan(int save_user_arg0);
+extern procps_status_t * procps_scan(int save_user_arg0
+#ifdef CONFIG_SELINUX
+        , int use_selinux, security_id_t *sid
+#endif
+);
 extern unsigned short compare_string_array(const char *string_array[], const char *key);
 
 extern int my_query_module(const char *name, int which, void **buf, size_t *bufsize, size_t *ret);
diff --git a/include/usage.h b/include/usage.h
index 701b40daa..e0cfa7d2f 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -882,6 +882,12 @@
         "\t-u\tthe hardware clock is kept in coordinated universal time\n" \
         "\t-l\tthe hardware clock is kept in local time"
 
+#ifdef CONFIG_SELINUX
+#define USAGE_SELINUX(a, b) a
+#else
+#define USAGE_SELINUX(a, b) b
+#endif
+
 #define id_trivial_usage \
         "[OPTIONS]... [USERNAME]"
 #define id_full_usage \
@@ -889,6 +895,7 @@
         "Options:\n" \
         "\t-g\tprints only the group ID\n" \
         "\t-u\tprints only the user ID\n" \
+        USAGE_SELINUX("\t-c\tprints only the security context\n", "") \
         "\t-n\tprint a name instead of a number (with for -ug)\n" \
         "\t-r\tprints the real user ID instead of the effective ID (with -ug)"
 #define id_example_usage \
@@ -1347,7 +1354,7 @@
   #define USAGE_AUTOWIDTH(a)
 #endif
 #define ls_trivial_usage \
-        "[-1Aa" USAGE_LS_TIMESTAMPS("c") "Cd" USAGE_LS_TIMESTAMPS("e") USAGE_LS_FILETYPES("F") "iln" USAGE_LS_FILETYPES("p") USAGE_LS_FOLLOWLINKS("L") USAGE_LS_RECURSIVE("R") USAGE_LS_SORTFILES("rS") "s" USAGE_AUTOWIDTH("T") USAGE_LS_TIMESTAMPS("tu") USAGE_LS_SORTFILES("v") USAGE_AUTOWIDTH("w") "x" USAGE_LS_SORTFILES("X") USAGE_HUMAN_READABLE("h") USAGE_NOT_HUMAN_READABLE("") "k] [filenames...]"
+        "[-1Aa" USAGE_LS_TIMESTAMPS("c") "Cd" USAGE_LS_TIMESTAMPS("e") USAGE_LS_FILETYPES("F") "iln" USAGE_LS_FILETYPES("p") USAGE_LS_FOLLOWLINKS("L") USAGE_LS_RECURSIVE("R") USAGE_LS_SORTFILES("rS") "s" USAGE_AUTOWIDTH("T") USAGE_LS_TIMESTAMPS("tu") USAGE_LS_SORTFILES("v") USAGE_AUTOWIDTH("w") "x" USAGE_LS_SORTFILES("X") USAGE_HUMAN_READABLE("h") USAGE_NOT_HUMAN_READABLE("") "k" USAGE_SELINUX("K", "") "] [filenames...]"
 #define ls_full_usage \
         "List directory contents\n\n" \
         "Options:\n" \
@@ -1377,8 +1384,7 @@
         USAGE_LS_SORTFILES("\t-X\tsort the listing by extension\n") \
         USAGE_HUMAN_READABLE( \
         "\t-h\tprint sizes in human readable format (e.g., 1K 243M 2G )\n" \
-        "\t-k\tprint sizes in kilobytes(default)") USAGE_NOT_HUMAN_READABLE( \
-        "\t-k\tprint sizes in kilobytes(compatibility)") 
+        USAGE_SELINUX("\t-k\tprint security context\n\t-K\tprint security context in long format\n", "")
 
 #define lsmod_trivial_usage \
         ""
@@ -1786,7 +1792,8 @@
         ""
 #define ps_full_usage \
         "Report process status\n" \
-        "\nThis version of ps accepts no options."
+        USAGE_SELINUX("\nOptions:\n\t-c\tshow SE Linux context", "\nThis version of ps accepts no options.")
+ 
 #define ps_example_usage \
         "$ ps\n" \
         "  PID  Uid      Gid State Command\n" \