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| author | Ulrich Drepper <drepper@redhat.com> | 2003-04-23 21:27:36 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-04-23 21:27:36 +0000 |
| commit | b9b9a51e4911b17e75b39fd3db9f7268e233ce20 (patch) | |
| tree | 95c02630a80ee0b0c094bdde7594401d350cf58e /grp/initgroups.c | |
| parent | 370b4d44dc9f8c29f842d1799cc096825bcc1ed7 (diff) | |
| download | glibc-b9b9a51e4911b17e75b39fd3db9f7268e233ce20.zip glibc-b9b9a51e4911b17e75b39fd3db9f7268e233ce20.tar.gz glibc-b9b9a51e4911b17e75b39fd3db9f7268e233ce20.tar.bz2 | |
Update.
2003-04-23 Ulrich Drepper <drepper@redhat.com>
* grp/initgroups.c (getgrouplist): Don't copy too much into the
user buffer if more groups are found than fit into it.
* nis/nss_nis/nis-initgroups.c (_nss_nis_initgroups_dyn): Use
extend_alloca.
Diffstat (limited to 'grp/initgroups.c')
| -rw-r--r-- | grp/initgroups.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/grp/initgroups.c b/grp/initgroups.c index dd7a8fd..1e4c2b5 100644 --- a/grp/initgroups.c +++ b/grp/initgroups.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1989,91,93,1996-2001, 2002 Free Software Foundation, Inc. +/* Copyright (C) 1989,91,93,1996-2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,6 +23,7 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> +#include <sys/param.h> #include <sys/types.h> #include <nsswitch.h> @@ -207,6 +208,9 @@ getgrouplist (const char *user, gid_t group, gid_t *groups, int *ngroups) return -1; result = internal_getgrouplist (user, group, &size, &newgroups, -1); + + memcpy (groups, newgroups, MIN (*ngroups, result) * sizeof (gid_t)); + if (result > *ngroups) { *ngroups = result; @@ -215,8 +219,6 @@ getgrouplist (const char *user, gid_t group, gid_t *groups, int *ngroups) else *ngroups = result; - memcpy (groups, newgroups, *ngroups * sizeof (gid_t)); - free (newgroups); return result; } |