diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | file.c | 4 |
2 files changed, 8 insertions, 1 deletions
@@ -1,3 +1,8 @@ +Thu Feb 21 13:47:59 2013 KOSAKI Motohiro <kosaki.motohiro@gmail.com> + + * file.c (rb_group_member): added an error check. SUS says, + getgroups(small_value) may return EINVAL. + Thu Feb 21 13:37:07 2013 KOSAKI Motohiro <kosaki.motohiro@gmail.com> * file.c (RB_MAX_GROUPS): moved to @@ -1036,7 +1036,7 @@ rb_group_member(GETGROUPS_T gid) while (groups <= RB_MAX_GROUPS) { gary = ALLOCV_N(GETGROUPS_T, v, groups); anum = getgroups(groups, gary); - if (anum != groups) + if (anum != -1 && anum != groups) break; groups *= 2; if (v) { @@ -1044,6 +1044,8 @@ rb_group_member(GETGROUPS_T gid) v = 0; } } + if (anum == -1) + return FALSE; while (--anum >= 0) { if (gary[anum] == gid) { |