- Document -m, -c, -s and provide a default shell for standalone build.

- Wrap overlong lines plus a few whitespace fixes.
- add GPL header.
This commit is contained in:
Bernhard Reutner-Fischer 2006-01-19 18:04:15 +00:00
parent a901b40464
commit 5a620ea220
2 changed files with 20 additions and 10 deletions

View File

@ -2814,7 +2814,9 @@
#define su_full_usage \
"Change user id or become root.\n" \
"Options:\n" \
"\t-p\tPreserve environment"
"\t-p, -m\tPreserve environment" \
"\n\t-c\tCommand to pass to 'sh -c'" \
"\n\t-s\tShell to use instead of default shell"
#define sulogin_trivial_usage \
"[OPTION]... [tty-device]"

View File

@ -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 : "" );
}
@ -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);