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2004-10-28 Pierre Humblet <pierre.humblet@ieee.org>

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* path.cc (mount_info::from_registry): Deimpersonate while
        accessing HKLM.
        (mount_info::read_cygdrive_info_from_registry): Ditto.
        * cygheap.h: Define NO_IMPERSONATION.
        (cygheap_user::issetuid): Replace INVALID_HANDLE_VALUE by
        NO_IMPERSONATION.
        (cygheap_user::has_impersonation_tokens): Ditto.
        (cygheap_user::close_impersonation_tokens): Ditto.
        * uinfo.cc (uinfo_init): Ditto.
        * syscalls.cc (seteuid32): Ditto.
        * security.cc (set_impersonation_token): Ditto.
This commit is contained in:
Pierre Humblet
2004-10-28 01:46:01 +00:00
parent 3905510834
commit 531979231d
6 changed files with 41 additions and 23 deletions
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21
winsup/cygwin/cygheap.h
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@@ -169,7 +169,8 @@ public:
PSID sid () { return effec_cygsid; }
PSID saved_sid () { return saved_cygsid; }
const char *ontherange (homebodies what, struct passwd * = NULL);
bool issetuid () const { return current_token != INVALID_HANDLE_VALUE; }
#define NO_IMPERSONATION NULL
bool issetuid () const { return current_token != NO_IMPERSONATION; }
HANDLE token () { return current_token; }
void deimpersonate ()
{
@@ -183,26 +184,26 @@ public:
system_printf ("ImpersonateLoggedOnUser: %E");
}
bool has_impersonation_tokens ()
{ return external_token != INVALID_HANDLE_VALUE
|| internal_token != INVALID_HANDLE_VALUE
|| current_token != INVALID_HANDLE_VALUE; }
{ return external_token != NO_IMPERSONATION
|| internal_token != NO_IMPERSONATION
|| current_token != NO_IMPERSONATION; }
void close_impersonation_tokens ()
{
if (current_token != INVALID_HANDLE_VALUE)
if (current_token != NO_IMPERSONATION)
{
if( current_token != external_token && current_token != internal_token)
CloseHandle (current_token);
current_token = INVALID_HANDLE_VALUE;
current_token = NO_IMPERSONATION;
}
if (external_token != INVALID_HANDLE_VALUE)
if (external_token != NO_IMPERSONATION)
{
CloseHandle (external_token);
external_token = INVALID_HANDLE_VALUE;
external_token = NO_IMPERSONATION;
}
if (internal_token != INVALID_HANDLE_VALUE)
if (internal_token != NO_IMPERSONATION)
{
CloseHandle (internal_token);
internal_token = INVALID_HANDLE_VALUE;
internal_token = NO_IMPERSONATION;
}
}
const char *cygheap_user::test_uid (char *&, const char *, size_t)