aboutsummaryrefslogtreecommitdiff
path: root/loginutils
diff options
context:
space:
mode:
authorGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2006-01-19 18:04:15 +0000
committerGravatar Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>2006-01-19 18:04:15 +0000
commit5a620ea22003cba12dc58bc1f30c11cfe9965825 (patch)
treec2bb185ff8b68b1a48a000636f722de3cd086029 /loginutils
parenta901b404644a8ab33a5ca595a39d4f3c0754f5c4 (diff)
downloadbusybox-5a620ea22003cba12dc58bc1f30c11cfe9965825.tar.gz
busybox-5a620ea22003cba12dc58bc1f30c11cfe9965825.tar.bz2
- Document -m, -c, -s and provide a default shell for standalone build.
- Wrap overlong lines plus a few whitespace fixes. - add GPL header.
Diffstat (limited to 'loginutils')
-rw-r--r--loginutils/su.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/loginutils/su.c b/loginutils/su.c
index 3e82d2428..b0227787a 100644
--- a/loginutils/su.c
+++ b/loginutils/su.c
@@ -1,4 +1,7 @@
/* vi: set sw=4 ts=4: */
+/*
+ Licensed under the GPL v2, see the file LICENSE in this tarball.
+*/
#include <fcntl.h>
#include <signal.h>
@@ -18,12 +21,15 @@
#include "busybox.h"
-
-
/* The shell to run if none is given in the user's passwd entry. */
+#ifndef DEFAULT_SHELL
+#define DEFAULT_SHELL "/bin/sh"
+#endif
+
+/* Default user. */
#define DEFAULT_USER "root"
-//#define SYSLOG_SUCCESS
+/* #define SYSLOG_SUCCESS */
#define SYSLOG_FAILURE
@@ -31,7 +37,8 @@
/* Log the fact that someone has run su */
# if defined( SYSLOG_SUCCESS ) && defined( SYSLOG_FAILURE )
-static void log_su (const char *successful, const char *old_user, const char *tty)
+static void log_su (const char *successful, const char *old_user,
+ const char *tty)
{
syslog ( LOG_NOTICE, "%s%s on %s", successful, old_user, tty);
}
@@ -98,7 +105,8 @@ int su_main ( int argc, char **argv )
if ( !old_user )
#endif
{
- /* getlogin can fail -- usually due to lack of utmp entry. Resort to getpwuid. */
+ /* getlogin can fail -- usually due to lack of utmp entry.
+ Resort to getpwuid. */
pw = getpwuid ( cur_uid );
old_user = ( pw ? pw->pw_name : "" );
}
@@ -116,8 +124,8 @@ int su_main ( int argc, char **argv )
/* Make sure pw->pw_shell is non-NULL. It may be NULL when NEW_USER
is a username that is retrieved via NIS (YP), but that doesn't have
a default shell listed. */
- if ( !pw-> pw_shell || !pw->pw_shell [0] )
- pw-> pw_shell = (char *) DEFAULT_SHELL;
+ if ( !pw->pw_shell || !pw->pw_shell [0] )
+ pw->pw_shell = (char *) DEFAULT_SHELL;
if ((( cur_uid == 0 ) || correct_password ( pw ))) {
log_su_successful(pw->pw_uid, old_user, tty );
@@ -133,7 +141,7 @@ int su_main ( int argc, char **argv )
if ( !opt_shell && opt_preserve )
opt_shell = getenv ( "SHELL" );
- if ( opt_shell && cur_uid && restricted_shell ( pw-> pw_shell )) {
+ if ( opt_shell && cur_uid && restricted_shell ( pw->pw_shell )) {
/* The user being su'd to has a nonstandard shell, and so is
probably a uucp account or has restricted access. Don't
compromise the account by allowing access with a standard
@@ -147,7 +155,7 @@ int su_main ( int argc, char **argv )
change_identity ( pw );
setup_environment ( opt_shell, opt_loginshell, !opt_preserve, pw );
-#ifdef CONFIG_SELINUX
+#if ENABLE_SELINUX
set_current_security_context(NULL);
#endif
run_shell ( opt_shell, opt_loginshell, opt_command, (const char**)opt_args);