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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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2
winsup/cygwin/security.h
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@@ -366,6 +366,8 @@ extern "C" int acl32 (const char *, int, int, __acl32 *);
int getacl (HANDLE, path_conv &, int, __acl32 *);
int setacl (HANDLE, path_conv &, int, __acl32 *, bool &);
/* Set impersonation or restricted token. */
void set_imp_token (HANDLE token, int type);
/* Function creating a token by calling NtCreateToken. */
HANDLE create_token (cygsid &usersid, user_groups &groups, struct passwd * pw);
/* LSA authentication function. */