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honor AT_SECURE aux vector flag

This commit is contained in:
Rich Felker 2011-08-16 07:46:42 -04:00
parent 623753ad64
commit a045883365
1 changed files with 2 additions and 2 deletions
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4
src/ldso/dynlink.c
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@ -60,7 +60,7 @@ static int runtime;
static jmp_buf rtld_fail;
static pthread_rwlock_t lock;
#define AUX_CNT 15
#define AUX_CNT 24
#define DYN_CNT 34
static void decode_vec(size_t *v, size_t *a, size_t cnt)
@ -491,7 +491,7 @@ void *__dynlink(int argc, char **argv, size_t *got)
/* Only trust user/env if kernel says we're not suid/sgid */
if ((aux[0]&0x7800)!=0x7800 || aux[AT_UID]!=aux[AT_EUID]
|| aux[AT_GID]!=aux[AT_EGID]) {
|| aux[AT_GID]!=aux[AT_EGID] || aux[AT_SECURE]) {
env_path = 0;
env_preload = 0;
}