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authorUlrich Drepper <drepper@redhat.com>1998-10-22 11:49:29 +0000
committerUlrich Drepper <drepper@redhat.com>1998-10-22 11:49:29 +0000
commit9271a050b5af6594ab112a9c116854953b041d8f (patch)
tree4e858e3b7bedaaba8122e7ef378313192ae9653f /sysdeps/unix/sysv/linux/i386/setgroups.c
parente595c802ca9a9eb2c7d5e72cb7b9437d25063c97 (diff)
Update.
1998-10-22 H.J. Lu <hjl@gnu.org> * sysdeps/unix/sysv/linux/i386/getgroups.c (__getgroups): Add sanity check for n. * sysdeps/unix/sysv/linux/i386/setgroups.c (setgroups): Likewise. * sysdeps/posix/fpathconf.c (__fpathconf): Set errno to EINVAL if errno == ENODEV. Tested by VSX-PCT. * sysdeps/posix/isatty.c (__isatty): Don't reset errno. Tested by VSX-PCT. * posix/execvp.c (execvp): Check "". Tested by VSX-PCT.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setgroups.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/setgroups.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setgroups.c b/sysdeps/unix/sysv/linux/i386/setgroups.c
index ad2a6b5493..67197e6f06 100644
--- a/sysdeps/unix/sysv/linux/i386/setgroups.c
+++ b/sysdeps/unix/sysv/linux/i386/setgroups.c
@@ -36,18 +36,26 @@ setgroups (n, groups)
size_t n;
const gid_t *groups;
{
- size_t i;
- __kernel_gid_t kernel_groups[n];
-
- for (i = 0; i < n; i++)
+ if (n < 0 || n > __sysconf (_SC_NGROUPS_MAX))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ else if
{
- kernel_groups[i] = groups[i];
- if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i]))
+ size_t i;
+ __kernel_gid_t kernel_groups[n];
+
+ for (i = 0; i < n; i++)
{
- __set_errno (EINVAL);
- return -1;
+ kernel_groups[i] = groups[i];
+ if (groups[i] != (gid_t) ((__kernel_gid_t) groups[i]))
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
}
- }
- return INLINE_SYSCALL (setgroups, 2, n, kernel_groups);
+ return INLINE_SYSCALL (setgroups, 2, n, kernel_groups);
+ }
}