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A patch from Takeharu KATO to update/fix SE-Linux support.

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This commit is contained in:
Rob Landley 2005-05-03 06:25:50 +00:00
parent 988a78c61c
commit 60158cb93e
12 changed files with 161 additions and 143 deletions
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43
libbb/run_shell.c
View file

@ -37,7 +37,33 @@
#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(&current_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.
@ -45,11 +71,7 @@
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;
@ -78,10 +100,11 @@ void run_shell ( const char *shell, int loginshell, const char *command, const c
}
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 );
}