diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2001-04-18 18:52:07 +0400 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2001-04-18 18:52:07 +0400 |
| commit | 77c45b121e815ab2a107f1e3e6f6b737da770d2a (patch) | |
| tree | 97132f7b965b7e48981b90ede0400c04eb8f14b3 | |
| parent | 4199e1e6fb0ec02c3da3983da88e633dc19a6841 (diff) | |
* grp.cc (getgroups): Avoid crash if passwd field if /etc/group is
empty.
| -rw-r--r-- | winsup/cygwin/ChangeLog | 5 | ||||
| -rw-r--r-- | winsup/cygwin/grp.cc | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog index bb52a53b6..a60d3361e 100644 --- a/winsup/cygwin/ChangeLog +++ b/winsup/cygwin/ChangeLog @@ -1,3 +1,8 @@ +2001-04-18 Egor Duda <deo@logos-m.ru> + + * grp.cc (getgroups): Avoid crash if passwd field if /etc/group is + empty. + Tue Apr 17 19:05:44 2001 Christopher Faylor <cgf@cygnus.com> * path.h (path_conv::add_ext_from_sym): Declare. diff --git a/winsup/cygwin/grp.cc b/winsup/cygwin/grp.cc index bfea59998..d3431a37f 100644 --- a/winsup/cygwin/grp.cc +++ b/winsup/cygwin/grp.cc @@ -260,7 +260,8 @@ getgroups (int gidsetsize, gid_t *grouplist, gid_t gid, const char *username) convert_sid_to_string_sid (groups->Groups[pg].Sid, ssid); for (int gg = 0; gg < curr_lines; ++gg) { - if (!strcmp (group_buf[gg].gr_passwd, ssid)) + if (group_buf[gg].gr_passwd && + !strcmp (group_buf[gg].gr_passwd, ssid)) { if (cnt < gidsetsize) grouplist[cnt] = group_buf[gg].gr_gid; |