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* include/sys/cygwin.h: Add new cygwin_getinfo_type

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CW_SET_EXTERNAL_TOKEN.
	Add new enum CW_TOKEN_IMPERSONATION, CW_TOKEN_RESTRICTED.
	* cygheap.h (cyguser): New flags ext_token_is_restricted,
	curr_token_is_restricted and setuid_to_restricted.
	* external.cc (cygwin_internal): Add CW_SET_EXTERNAL_TOKEN.
	* sec_auth.cc (set_imp_token): New function.
	(cygwin_set_impersonation_token): Call set_imp_token ().
	* security.h (set_imp_token): New prototype.
	* spawn.cc (spawn_guts): Use CreateProcessAsUserW if restricted token
	was enabled by setuid().  Do not create new window station in this case.
	* syscalls.cc (seteuid32): Add handling of restricted external tokens.
	Set HANDLE_FLAG_INHERIT for primary token.
	(setuid32): Set setuid_to_restricted flag.
	* uinfo.cc (uinfo_init): Do not reimpersonate if restricted token was
	enabled by setuid ().  Initialize user.*_restricted flags.
This commit is contained in:
Corinna Vinschen
2009-10-13 10:23:31 +00:00
parent 6c41e710c9
commit 0191627a26
9 changed files with 122 additions and 16 deletions
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12
winsup/cygwin/sec_auth.cc
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@ -30,11 +30,19 @@ details. */
#include "cygserver_setpwd.h"
#include <cygwin/version.h>
void
set_imp_token (HANDLE token, int type)
{
debug_printf ("set_imp_token (%d, %d)", token, type);
cygheap->user.external_token = (token == INVALID_HANDLE_VALUE
? NO_IMPERSONATION : token);
cygheap->user.ext_token_is_restricted = (type == CW_TOKEN_RESTRICTED);
}
extern "C" void
cygwin_set_impersonation_token (const HANDLE hToken)
{
debug_printf ("set_impersonation_token (%d)", hToken);
cygheap->user.external_token = hToken == INVALID_HANDLE_VALUE ? NO_IMPERSONATION : hToken;
set_imp_token (hToken, CW_TOKEN_IMPERSONATION);
}
void