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* grp.cc (initgroups32): Run get_server_groups under original token.

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* syscalls.cc (seteuid32): Slightly reorganize code creating a token.
This commit is contained in:
Corinna Vinschen 2006-08-31 15:57:56 +00:00
parent c9f1f4b438
commit 55283468e6
3 changed files with 18 additions and 12 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2006-08-31 Corinna Vinschen <corinna@vinschen.de>
* grp.cc (initgroups32): Run get_server_groups under original token.
* syscalls.cc (seteuid32): Slightly reorganize code creating a token.
2006-08-27 Christopher Faylor <cgf@timesys.com>
* child_info.h (child_info_spawn::~child_info_spawn): Don't close

3
winsup/cygwin/grp.cc
View File

@ -471,6 +471,7 @@ initgroups32 (const char *name, __gid32_t gid)
if (wincap.has_security ())
{
ret = -1;
cygheap->user.deimpersonate ();
struct passwd *pw = internal_getpwnam (name);
struct __group32 *gr = internal_getgrgid (gid);
cygsid usersid, grpsid;
@ -492,6 +493,8 @@ initgroups32 (const char *name, __gid32_t gid)
ret = 0;
out:
if (wincap.has_security ())
cygheap->user.reimpersonate ();
syscall_printf ( "%d = initgroups (%s, %u)", ret, name, gid);
return ret;
}

22
winsup/cygwin/syscalls.cc
View File

@ -2205,27 +2205,25 @@ seteuid32 (__uid32_t uid)
if (new_token == INVALID_HANDLE_VALUE)
{
new_token = subauth (pw_new);
if (new_token == INVALID_HANDLE_VALUE)
debug_printf ("subauth %s, try create_token.",
new_token == INVALID_HANDLE_VALUE ? "failed" : "succeeded");
HANDLE new_token2 = create_token (usersid, groups, pw_new, new_token);
if (new_token2 == INVALID_HANDLE_VALUE)
{
debug_printf ("subauthentication failed, try create token.");
new_token = create_token (usersid, groups, pw_new, NULL);
if (new_token == INVALID_HANDLE_VALUE)
{
debug_printf ("create_token failed, bail out of here");
cygheap->user.reimpersonate ();
return -1;
}
debug_printf ("create_token failed, use original subauth token");
}
else
{
debug_printf ("subauthentication succeeded, try create token.");
HANDLE new_token2 = create_token (usersid, groups, pw_new, new_token);
if (new_token2 == INVALID_HANDLE_VALUE)
debug_printf ("create token failed, use original token");
else
{
CloseHandle (new_token);
new_token = new_token2;
}
debug_printf ("create_token succeeded");
if (new_token != INVALID_HANDLE_VALUE)
CloseHandle (new_token);
new_token = new_token2;
}
/* Keep at most one internal token */
if (cygheap->user.internal_token != NO_IMPERSONATION)