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* sec_auth.cc (verify_token): Disable code which returns false if

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the token contains additional groups not requested by setgroups.
	Explain why.
This commit is contained in:
Corinna Vinschen 2008-07-09 08:10:25 +00:00
parent 17bfd1e083
commit 2827371898
2 changed files with 17 additions and 0 deletions
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6
winsup/cygwin/ChangeLog
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@ -1,3 +1,9 @@
2008-07-09 Corinna Vinschen <corinna@vinschen.de>
* sec_auth.cc (verify_token): Disable code which returns false if
the token contains additional groups not requested by setgroups.
Explain why.
2008-07-08 Corinna Vinschen <corinna@vinschen.de>
* fhandler_socket.cc (fhandler_socket::bind): Don't run explicit

11
winsup/cygwin/sec_auth.cc
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@ -714,9 +714,20 @@ verify_token (HANDLE token, cygsid &usersid, user_groups &groups, bool *pintern)
saw[pos] = true;
else if (groups.pgsid == gsid)
sawpg = true;
#if 0
/* With this `else', verify_token returns false if we find
groups in the token, which are not in the group list set
with setgroups(). That's rather dangerous. What we're
really interested in is that all groups in the setgroups()
list are in the token. A token created through ADVAPI
should be allowed to contain more groups than requested
through setgroups(), esecially since Vista and the
addition of integrity groups. So we disable this statement
for now. */
else if (gsid != well_known_world_sid
&& gsid != usersid)
goto done;
#endif
}
/* user.sgsids groups must be in the token */
for (int gidx = 0; gidx < groups.sgsids.count (); gidx++)