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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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10
winsup/cygwin/path.cc
View File

@@ -1802,11 +1802,13 @@ mount_info::from_registry ()
read_mounts (r);
/* Then read mounts from system-wide mount table. */
cygheap->user.deimpersonate ();
reg_key r1 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE",
CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
NULL);
read_mounts (r1);
cygheap->user.reimpersonate ();
}
/* add_reg_mount: Add mount item to registry. Return zero on success,
@@ -1922,16 +1924,16 @@ mount_info::read_cygdrive_info_from_registry ()
{
/* reg_key for user path prefix in HKEY_CURRENT_USER. */
reg_key r;
/* First read cygdrive from user's registry. */
if (r.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, cygdrive, sizeof (cygdrive), "") != 0)
{
/* Didn't find the user path prefix so check the system path prefix. */
/* reg_key for system path prefix in HKEY_LOCAL_MACHINE. */
/* Then read cygdrive from system-wide registry. */
cygheap->user.deimpersonate ();
reg_key r2 (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE",
CYGWIN_INFO_CYGNUS_REGISTRY_NAME, CYGWIN_REGNAME,
CYGWIN_INFO_CYGWIN_MOUNT_REGISTRY_NAME,
NULL);
cygheap->user.reimpersonate ();
if (r2.get_string (CYGWIN_INFO_CYGDRIVE_PREFIX, cygdrive,
sizeof (cygdrive), ""))