#include <ctype.h>
#include "libbb.h"
#ifdef CONFIG_SELINUX
-#include <proc_secure.h>
+#include <selinux/selinux.h> /* for setexeccon */
+#endif
+
+#ifdef CONFIG_SELINUX
+static security_context_t current_sid=NULL;
+
+void
+renew_current_security_context(void)
+{
+ if (current_sid)
+ freecon(current_sid); /* Release old context */
+
+ getcon(¤t_sid); /* update */
+
+ return;
+}
+void
+set_current_security_context(security_context_t sid)
+{
+ if (current_sid)
+ freecon(current_sid); /* Release old context */
+
+ current_sid=sid;
+
+ return;
+}
+
#endif
/* Run SHELL, or DEFAULT_SHELL if SHELL is empty.
If ADDITIONAL_ARGS is nonzero, pass it to the shell as more
arguments. */
-void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args
-#ifdef CONFIG_SELINUX
- , security_id_t sid
-#endif
-)
+void run_shell ( const char *shell, int loginshell, const char *command, const char **additional_args)
{
const char **args;
int argno = 1;
int additional_args_cnt = 0;
-
+
for ( args = additional_args; args && *args; args++ )
additional_args_cnt++;
args = (const char **) xmalloc (sizeof (char *) * ( 4 + additional_args_cnt ));
-
+
args [0] = bb_get_last_path_component ( bb_xstrdup ( shell ));
-
- if ( loginshell ) {
- char *args0;
- bb_xasprintf ( &args0, "-%s", args [0] );
- args [0] = args0;
- }
-
+
+ if ( loginshell )
+ args [0] = bb_xasprintf ("-%s", args [0]);
+
if ( command ) {
args [argno++] = "-c";
args [argno++] = command;
}
args [argno] = 0;
#ifdef CONFIG_SELINUX
- if(sid)
- execve_secure(shell, (char **) args, environ, sid);
- else
+ if ( (current_sid) && (!setexeccon(current_sid)) ) {
+ freecon(current_sid);
+ execve(shell, (char **) args, environ);
+ } else
#endif
- execv ( shell, (char **) args );
+ execv ( shell, (char **) args );
bb_perror_msg_and_die ( "cannot run %s", shell );
}