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* cygthread.cc (cygthread::initialized): Avoid copying on fork or some threads

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may not end up in the pool.
(cygthread::new): Avoid race when checking for initialized.  Add debugging
code.
* fhandler.cc (fhandler_base::raw_read): Add case for ERROR_INVALID_HANDLE due
to Win95 directories.
(fhandler_base::open): Handle errors due to Win95 directories.
(fhandler_base::close): Add get_nohandle () test.
(fhandler_base::set_close_on_exec): Ditto.
(fhandler_base::fork_fixup): Ditto.
(fhandler_base::lock): Change error code to Posix EINVAL.
(fhandler_base::dup): If get_nohandle (), set new value to INVALID_HANDLE_VALUE
instead of NULL.
* fhandler_disk_file.cc (fhandler_disk_file::fstat): Call fstat_by_name if
get_nohandle ().  Remove extraneous element from strpbrk.
(fhandler_disk_file::open): Remove test for Win95 directory.
* fhandler_random.cc (fhandler_dev_random::open): Add set_nohandle ().
* fhandler_clipboard.cc (fhandler_dev_clipboard::open): Ditto.
* fhandler_zero.cc (fhandler_dev_zero::open): Ditto.
(fhandler_dev_zero::close): Delete.
* fhandler.h (class fhandler_dev_zero): Ditto.
This commit is contained in:
Christopher Faylor
2002-09-19 03:30:20 +00:00
parent 57dfd574a7
commit 5bf785a017
20 changed files with 152 additions and 111 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
winsup/cygwin/security.cc
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@ -697,10 +697,10 @@ get_priv_list (LSA_HANDLE lsa, cygsid &usersid, cygsidlist &grp_list)
/* Accept a token if
- the requested usersid matches the TokenUser and
- if setgroups has been called:
the token groups that are listed in /etc/group match the union of
the token groups that are listed in /etc/group match the union of
the requested primary and supplementary groups in gsids.
- else the (unknown) implicitly requested supplementary groups and those
in the token are the groups associated with the usersid. We assume
in the token are the groups associated with the usersid. We assume
they match and verify only the primary groups.
The requested primary group must appear in the token.
The primary group in the token is a group associated with the usersid,
@ -782,14 +782,14 @@ verify_token (HANDLE token, cygsid &usersid, user_groups &groups, BOOL *pintern)
saw[pos] = TRUE;
else if (groups.pgsid == gsid)
sawpg = TRUE;
else if (gsid != well_known_world_sid &&
else if (gsid != well_known_world_sid &&
gsid != usersid)
goto done;
}
for (int gidx = 0; gidx < groups.sgsids.count; gidx++)
if (!saw[gidx])
goto done;
if (sawpg ||
if (sawpg ||
groups.sgsids.contains (groups.pgsid) ||
groups.pgsid == usersid)
ret = TRUE;
@ -859,7 +859,7 @@ create_token (cygsid &usersid, user_groups &new_groups, struct passwd *pw)
else
{
/* Switching user context to SYSTEM doesn't inherit the authentication
id of the user account running current process. */
id of the user account running current process. */
if (usersid != well_known_system_sid)
if (!GetTokenInformation (my_token, TokenStatistics,
&stats, sizeof stats, &size))
@ -869,7 +869,7 @@ create_token (cygsid &usersid, user_groups &new_groups, struct passwd *pw)
auth_luid = stats.AuthenticationId;
/* Retrieving current processes group list to be able to inherit
some important well known group sids. */
some important well known group sids. */
if (!GetTokenInformation (my_token, TokenGroups, NULL, 0, &size) &&
GetLastError () != ERROR_INSUFFICIENT_BUFFER)
debug_printf ("GetTokenInformation(my_token, TokenGroups): %E\n");
@ -1187,8 +1187,8 @@ write_sd (const char *file, PSECURITY_DESCRIPTOR sd_buf, DWORD sd_size)
&bytes_written, FALSE, TRUE, &context))
{
/* Samba returns ERROR_NOT_SUPPORTED.
FAT returns ERROR_INVALID_SECURITY_DESCR.
This shouldn't return as error, but better be ignored. */
FAT returns ERROR_INVALID_SECURITY_DESCR.
This shouldn't return as error, but better be ignored. */
DWORD ret = GetLastError ();
if (ret != ERROR_NOT_SUPPORTED && ret != ERROR_INVALID_SECURITY_DESCR)
{
@ -1463,7 +1463,7 @@ get_object_attribute (HANDLE handle, SE_OBJECT_TYPE object_type,
if (allow_ntsec)
{
int res = get_nt_object_attribute (handle, object_type, attribute,
uidret, gidret);
uidret, gidret);
if (attribute && (*attribute & S_IFLNK) == S_IFLNK)
*attribute |= S_IRWXU | S_IRWXG | S_IRWXO;
return res;