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* grp.cc (initgroups): Call groups::clear_supp to free the

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supplementary group sids that may have been set by setgroups.
	* security.cc (cygsidlist::free_sids): Also zero the class members.
	* security.h (groups::clear_supp): New.
	Rename cygsidlist_unknown to cygsidlist_empty.
This commit is contained in:
Corinna Vinschen 2002-09-11 10:37:11 +00:00
parent 22f8000733
commit 5a8746b732
4 changed files with 21 additions and 3 deletions
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8
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,11 @@
2002-09-10 Pierre Humblet <pierre.humblet@ieee.org>
* grp.cc (initgroups): Call groups::clear_supp to free the
supplementary group sids that may have been set by setgroups.
* security.cc (cygsidlist::free_sids): Also zero the class members.
* security.h (groups::clear_supp): New.
Rename cygsidlist_unknown to cygsidlist_empty.
2002-09-08 Christopher Faylor <cgf@redhat.com> 2002-09-08 Christopher Faylor <cgf@redhat.com>
* fhandler_tty.cc (fhandler_tty_slave::open): Don't protect * fhandler_tty.cc (fhandler_tty_slave::open): Don't protect

6
winsup/cygwin/grp.cc
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@ -449,14 +449,16 @@ extern "C"
int int
initgroups32 (const char *, __gid32_t) initgroups32 (const char *, __gid32_t)
{ {
if (wincap.has_security ())
cygheap->user.groups.clear_supp ();
return 0; return 0;
} }
extern "C" extern "C"
int int
initgroups (const char *, __gid16_t) initgroups (const char * name, __gid16_t gid)
{ {
return 0; return initgroups32 (name, gid16togid32(gid));
} }
/* setgroups32: standards? */ /* setgroups32: standards? */

3
winsup/cygwin/security.cc
View File

@ -61,6 +61,9 @@ cygsidlist::free_sids ()
{ {
if (sids) if (sids)
cfree (sids); cfree (sids);
sids = NULL;
count = maxcount = 0;
type = cygsidlist_empty;
} }
extern "C" void extern "C" void

7
winsup/cygwin/security.h
View File

@ -86,7 +86,7 @@ public:
} }
}; };
typedef enum { cygsidlist_unknown, cygsidlist_alloc, cygsidlist_auto } cygsidlist_type; typedef enum { cygsidlist_empty, cygsidlist_alloc, cygsidlist_auto } cygsidlist_type;
class cygsidlist { class cygsidlist {
int maxcount; int maxcount;
public: public:
@ -167,6 +167,11 @@ public:
sgsids = newsids; sgsids = newsids;
ischanged = TRUE; ischanged = TRUE;
} }
void clear_supp ()
{
sgsids.free_sids ();
ischanged = TRUE;
}
void update_pgrp (const PSID sid) void update_pgrp (const PSID sid)
{ {
pgsid = sid; pgsid = sid;