1 /* setpwd.cc: Set LSA private data password for current user.
3 Copyright 2008 Red Hat, Inc.
5 This file is part of Cygwin.
7 This software is a copyrighted work licensed under the terms of the
8 Cygwin license. Please consult the file "CYGWIN_LICENSE" for
11 #ifdef __OUTSIDE_CYGWIN__
26 #include "cygserver.h"
28 #include "transport.h"
30 #include "cygserver_setpwd.h"
32 client_request_setpwd::client_request_setpwd ()
33 : client_request (CYGSERVER_REQUEST_SETPWD,
34 &_parameters, sizeof (_parameters))
39 client_request_setpwd::serve (transport_layer_base *const conn,
40 process_cache *const cache)
44 WCHAR sidbuf[128], key_name [128 + wcslen (CYGWIN_LSA_KEY_PREFIX)];
45 UNICODE_STRING sid, key, data;
47 syscall_printf ("Request to set private data");
48 if (msglen () != sizeof (_parameters.in))
50 syscall_printf ("bad request body length: expecting %lu bytes, got %lu",
51 sizeof (_parameters), msglen ());
57 if (!conn->impersonate_client ())
62 if (!OpenThreadToken (GetCurrentThread (), TOKEN_READ, TRUE, &tok))
64 conn->revert_to_self ();
68 /* Get uid from user SID in token. */
69 user = (PTOKEN_USER) get_token_info (tok, TokenUser);
71 conn->revert_to_self ();
77 LSA_OBJECT_ATTRIBUTES oa = { 0, 0, 0, 0, 0, 0 };
79 NTSTATUS status = LsaOpenPolicy (NULL, &oa, POLICY_CREATE_SECRET, &lsa);
80 if (!NT_SUCCESS (status))
82 error_code (LsaNtStatusToWinError (status));
85 RtlInitEmptyUnicodeString (&sid, sidbuf, sizeof sidbuf);
86 RtlConvertSidToUnicodeString (&sid, user->User.Sid, FALSE);
88 RtlInitEmptyUnicodeString (&key, key_name, sizeof key_name);
89 RtlAppendUnicodeToString (&key, CYGWIN_LSA_KEY_PREFIX);
90 RtlAppendUnicodeStringToString (&key, &sid);
91 RtlInitUnicodeString (&data, _parameters.in.passwd);
92 status = LsaStorePrivateData (lsa, &key, data.Length ? &data : NULL);
94 memset (data.Buffer, 0, data.Length);
95 /* Success or we're trying to remove a password entry which doesn't exist. */
96 if (NT_SUCCESS (status)
97 || (data.Length == 0 && status == STATUS_OBJECT_NAME_NOT_FOUND))
100 error_code (LsaNtStatusToWinError (status));
101 syscall_printf ("Request to set private data returns error %d", error_code ());
104 #endif /* __OUTSIDE_CYGWIN__ */