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2005-01-08 Pierre Humblet <pierre.humblet@ieee.org> 

* syscalls.cc (seteuid32): Only change the default dacl when
	seteuid succeeds. Do not close HKCU.
This commit is contained in:
Pierre Humblet 2005-01-08 18:33:07 +00:00
parent fcab88fec6
commit a6888c92d9
2 changed files with 18 additions and 16 deletions
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5
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,8 @@
2005-01-08 Pierre Humblet <pierre.humblet@ieee.org>
* syscalls.cc (seteuid32): Only change the default dacl when
seteuid succeeds. Do not close HKCU.
2005-01-06 Corinna Vinschen <corinna@vinschen.de>
* fhandler_process.cc: Use strcasematch instead of strcasecmp

29
winsup/cygwin/syscalls.cc
View File

@ -2066,7 +2066,7 @@ seteuid32 (__uid32_t uid)
if (!wincap.has_security () && pw_new)
{
load_registry_hive (pw_new->pw_name);
goto success_9x;
goto success_9x;
}
if (!usersid.getfrompw (pw_new))
{
@ -2103,16 +2103,6 @@ seteuid32 (__uid32_t uid)
debug_printf ("Found token %d", new_token);
/* Set process def dacl to allow access to impersonated token */
if (sec_acl ((PACL) dacl_buf, true, true, usersid))
{
tdacl.DefaultDacl = (PACL) dacl_buf;
if (!SetTokenInformation (ptok, TokenDefaultDacl,
&tdacl, sizeof dacl_buf))
debug_printf ("SetTokenInformation"
"(TokenDefaultDacl), %E");
}
/* If no impersonation token is available, try to
authenticate using NtCreateToken () or subauthentication. */
if (new_token == INVALID_HANDLE_VALUE)
@ -2132,6 +2122,16 @@ seteuid32 (__uid32_t uid)
cygheap->user.internal_token = new_token;
}
/* Set process def dacl to allow access to impersonated token */
if (sec_acl ((PACL) dacl_buf, true, true, usersid))
{
tdacl.DefaultDacl = (PACL) dacl_buf;
if (!SetTokenInformation (ptok, TokenDefaultDacl,
&tdacl, sizeof dacl_buf))
debug_printf ("SetTokenInformation"
"(TokenDefaultDacl), %E");
}
if (new_token != ptok)
{
/* Avoid having HKCU use default user */
@ -2166,11 +2166,8 @@ success_9x:
cygheap->user.set_name (pw_new->pw_name);
myself->uid = uid;
groups.ischanged = FALSE;
if (!issamesid) /* MS KB 199190 */
{
RegCloseKey (HKEY_CURRENT_USER);
user_shared_initialize (true);
}
if (!issamesid)
user_shared_initialize (true);
return 0;
failed: