Fix two debug messages.
[kai/samba.git] / source3 / services / services_db.c
1 /* 
2  *  Unix SMB/CIFS implementation.
3  *  Service Control API Implementation
4  * 
5  *  Copyright (C) Marcin Krzysztof Porwit         2005.
6  *  Largely Rewritten by:
7  *  Copyright (C) Gerald (Jerry) Carter           2005.
8  *  
9  *  This program is free software; you can redistribute it and/or modify
10  *  it under the terms of the GNU General Public License as published by
11  *  the Free Software Foundation; either version 3 of the License, or
12  *  (at your option) any later version.
13  *  
14  *  This program is distributed in the hope that it will be useful,
15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  *  GNU General Public License for more details.
18  *  
19  *  You should have received a copy of the GNU General Public License
20  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
21  */
22
23 #include "includes.h"
24
25 struct rcinit_file_information {
26         char *description;
27 };
28
29 struct service_display_info {
30         const char *servicename;
31         const char *daemon;
32         const char *dispname;
33         const char *description;
34 };
35
36 struct service_display_info builtin_svcs[] = {
37   { "Spooler",        "smbd",   "Print Spooler", "Internal service for spooling files to print devices" },
38   { "NETLOGON",       "smbd",   "Net Logon", "File service providing access to policy and profile data (not remotely manageable)" },
39   { "RemoteRegistry", "smbd",   "Remote Registry Service", "Internal service providing remote access to "
40                                 "the Samba registry" },
41   { "WINS",           "nmbd",   "Windows Internet Name Service (WINS)", "Internal service providing a "
42                                 "NetBIOS point-to-point name server (not remotely manageable)" },
43   { NULL, NULL, NULL, NULL }
44 };
45
46 struct service_display_info common_unix_svcs[] = {
47   { "cups",          NULL, "Common Unix Printing System","Provides unified printing support for all operating systems" },
48   { "postfix",       NULL, "Internet Mail Service",     "Provides support for sending and receiving electonic mail" },
49   { "sendmail",      NULL, "Internet Mail Service",     "Provides support for sending and receiving electonic mail" },
50   { "portmap",       NULL, "TCP Port to RPC PortMapper",NULL },
51   { "xinetd",        NULL, "Internet Meta-Daemon",      NULL },
52   { "inet",          NULL, "Internet Meta-Daemon",      NULL },
53   { "xntpd",         NULL, "Network Time Service",      NULL },
54   { "ntpd",          NULL, "Network Time Service",      NULL },
55   { "lpd",           NULL, "BSD Print Spooler",         NULL },
56   { "nfsserver",     NULL, "Network File Service",      NULL },
57   { "cron",          NULL, "Scheduling Service",        NULL },
58   { "at",            NULL, "Scheduling Service",        NULL },
59   { "nscd",          NULL, "Name Service Cache Daemon", NULL },
60   { "slapd",         NULL, "LDAP Directory Service",    NULL },
61   { "ldap",          NULL, "LDAP DIrectory Service",    NULL },
62   { "ypbind",        NULL, "NIS Directory Service",     NULL },
63   { "courier-imap",  NULL, "IMAP4 Mail Service",        NULL },
64   { "courier-pop3",  NULL, "POP3 Mail Service",         NULL },
65   { "named",         NULL, "Domain Name Service",       NULL },
66   { "bind",          NULL, "Domain Name Service",       NULL },
67   { "httpd",         NULL, "HTTP Server",               NULL },
68   { "apache",        NULL, "HTTP Server",               "Provides s highly scalable and flexible web server "
69                                                         "capable of implementing various protocols incluing "
70                                                         "but not limited to HTTP" },
71   { "autofs",        NULL, "Automounter",               NULL },
72   { "squid",         NULL, "Web Cache Proxy ",          NULL },
73   { "perfcountd",    NULL, "Performance Monitoring Daemon", NULL },
74   { "pgsql",         NULL, "PgSQL Database Server",     "Provides service for SQL database from Postgresql.org" },
75   { "arpwatch",      NULL, "ARP Tables watcher",        "Provides service for monitoring ARP tables for changes" },
76   { "dhcpd",         NULL, "DHCP Server",               "Provides service for dynamic host configuration and IP assignment" },
77   { "nwserv",        NULL, "NetWare Server Emulator",   "Provides service for emulating Novell NetWare 3.12 server" },
78   { "proftpd",       NULL, "Professional FTP Server",   "Provides high configurable service for FTP connection and "
79                                                         "file transferring" },
80   { "ssh2",          NULL, "SSH Secure Shell",          "Provides service for secure connection for remote administration" },
81   { "sshd",          NULL, "SSH Secure Shell",          "Provides service for secure connection for remote administration" },
82   { NULL, NULL, NULL, NULL }
83 };
84
85
86 /********************************************************************
87 ********************************************************************/
88
89 static SEC_DESC* construct_service_sd( TALLOC_CTX *ctx )
90 {
91         SEC_ACE ace[4];
92         SEC_ACCESS mask;
93         size_t i = 0;
94         SEC_DESC *sd;
95         SEC_ACL *acl;
96         size_t sd_size;
97
98         /* basic access for Everyone */
99
100         init_sec_access(&mask, SERVICE_READ_ACCESS );
101         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
102
103         init_sec_access(&mask,SERVICE_EXECUTE_ACCESS );
104         init_sec_ace(&ace[i++], &global_sid_Builtin_Power_Users, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
105
106         init_sec_access(&mask,SERVICE_ALL_ACCESS );
107         init_sec_ace(&ace[i++], &global_sid_Builtin_Server_Operators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
108         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
109
110         /* create the security descriptor */
111
112         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
113                 return NULL;
114
115         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
116                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
117                                   acl, &sd_size)) )
118                 return NULL;
119
120         return sd;
121 }
122
123 /********************************************************************
124  This is where we do the dirty work of filling in things like the
125  Display name, Description, etc...
126 ********************************************************************/
127
128 static char *get_common_service_dispname( const char *servicename )
129 {
130         int i;
131
132         for ( i=0; common_unix_svcs[i].servicename; i++ ) {
133                 if (strequal(servicename, common_unix_svcs[i].servicename)) {
134                         char *dispname;
135                         if (asprintf(&dispname,
136                                 "%s (%s)",
137                                 common_unix_svcs[i].dispname,
138                                 common_unix_svcs[i].servicename) < 0) {
139                                 return NULL;
140                         }
141                         return dispname;
142                 }
143         }
144
145         return SMB_STRDUP(servicename );
146 }
147
148 /********************************************************************
149 ********************************************************************/
150
151 static char *cleanup_string( const char *string )
152 {
153         char *clean = NULL;
154         char *begin, *end;
155         TALLOC_CTX *ctx = talloc_tos();
156
157         clean = talloc_strdup(ctx, string);
158         if (!clean) {
159                 return NULL;
160         }
161         begin = clean;
162
163         /* trim any beginning whilespace */
164
165         while (isspace(*begin)) {
166                 begin++;
167         }
168
169         if (*begin == '\0') {
170                 return NULL;
171         }
172
173         /* trim any trailing whitespace or carriage returns.
174            Start at the end and move backwards */
175
176         end = begin + strlen(begin) - 1;
177
178         while ( isspace(*end) || *end=='\n' || *end=='\r' ) {
179                 *end = '\0';
180                 end--;
181         }
182
183         return begin;
184 }
185
186 /********************************************************************
187 ********************************************************************/
188
189 static bool read_init_file( const char *servicename, struct rcinit_file_information **service_info )
190 {
191         struct rcinit_file_information *info;
192         char *filepath = NULL;
193         char str[1024];
194         XFILE *f;
195         char *p;
196
197         if ( !(info = TALLOC_ZERO_P( NULL, struct rcinit_file_information ) ) )
198                 return False;
199
200         /* attempt the file open */
201
202         filepath = talloc_asprintf(info, "%s/%s/%s", get_dyn_LIBDIR(),
203                                 SVCCTL_SCRIPT_DIR, servicename);
204         if (!filepath) {
205                 TALLOC_FREE(info);
206                 return false;
207         }
208         if (!(f = x_fopen( filepath, O_RDONLY, 0 ))) {
209                 DEBUG(0,("read_init_file: failed to open [%s]\n", filepath));
210                 TALLOC_FREE(info);
211                 return false;
212         }
213
214         while ( (x_fgets( str, sizeof(str)-1, f )) != NULL ) {
215                 /* ignore everything that is not a full line
216                    comment starting with a '#' */
217
218                 if ( str[0] != '#' )
219                         continue;
220
221                 /* Look for a line like '^#.*Description:' */
222
223                 if ( (p = strstr( str, "Description:" )) != NULL ) {
224                         char *desc;
225
226                         p += strlen( "Description:" ) + 1;
227                         if ( !p )
228                                 break;
229
230                         if ( (desc = cleanup_string(p)) != NULL )
231                                 info->description = talloc_strdup( info, desc );
232                 }
233         }
234
235         x_fclose( f );
236
237         if ( !info->description )
238                 info->description = talloc_strdup( info, "External Unix Service" );
239
240         *service_info = info;
241         TALLOC_FREE(filepath);
242
243         return True;
244 }
245
246 /********************************************************************
247  This is where we do the dirty work of filling in things like the
248  Display name, Description, etc...
249 ********************************************************************/
250
251 static void fill_service_values( const char *name, REGVAL_CTR *values )
252 {
253         UNISTR2 data, dname, ipath, description;
254         uint32 dword;
255         int i;
256
257         /* These values are hardcoded in all QueryServiceConfig() replies.
258            I'm just storing them here for cosmetic purposes */
259
260         dword = SVCCTL_AUTO_START;
261         regval_ctr_addvalue( values, "Start", REG_DWORD, (char*)&dword, sizeof(uint32));
262
263         dword = SVCCTL_WIN32_OWN_PROC;
264         regval_ctr_addvalue( values, "Type", REG_DWORD, (char*)&dword, sizeof(uint32));
265
266         dword = SVCCTL_SVC_ERROR_NORMAL;
267         regval_ctr_addvalue( values, "ErrorControl", REG_DWORD, (char*)&dword, sizeof(uint32));
268
269         /* everything runs as LocalSystem */
270
271         init_unistr2( &data, "LocalSystem", UNI_STR_TERMINATE );
272         regval_ctr_addvalue( values, "ObjectName", REG_SZ, (char*)data.buffer, data.uni_str_len*2);
273
274         /* special considerations for internal services and the DisplayName value */
275
276         for ( i=0; builtin_svcs[i].servicename; i++ ) {
277                 if ( strequal( name, builtin_svcs[i].servicename ) ) {
278                         char *pstr = NULL;
279                         if (asprintf(&pstr, "%s/%s/%s",
280                                         get_dyn_LIBDIR(), SVCCTL_SCRIPT_DIR,
281                                         builtin_svcs[i].daemon) > 0) {
282                                 init_unistr2( &ipath, pstr, UNI_STR_TERMINATE );
283                                 SAFE_FREE(pstr);
284                         } else {
285                                 init_unistr2( &ipath, "", UNI_STR_TERMINATE );
286                         }
287                         init_unistr2( &description, builtin_svcs[i].description, UNI_STR_TERMINATE );
288                         init_unistr2( &dname, builtin_svcs[i].dispname, UNI_STR_TERMINATE );
289                         break;
290                 }
291         }
292
293         /* default to an external service if we haven't found a match */
294
295         if ( builtin_svcs[i].servicename == NULL ) {
296                 char *pstr = NULL;
297                 char *dispname = NULL;
298                 struct rcinit_file_information *init_info = NULL;
299
300                 if (asprintf(&pstr, "%s/%s/%s",get_dyn_LIBDIR(),
301                                         SVCCTL_SCRIPT_DIR, name) > 0) {
302                         init_unistr2( &ipath, pstr, UNI_STR_TERMINATE );
303                         SAFE_FREE(pstr);
304                 } else {
305                         init_unistr2( &ipath, "", UNI_STR_TERMINATE );
306                 }
307
308                 /* lookup common unix display names */
309                 dispname = get_common_service_dispname(name);
310                 init_unistr2( &dname, dispname ? dispname : "", UNI_STR_TERMINATE );
311                 SAFE_FREE(dispname);
312
313                 /* get info from init file itself */
314                 if ( read_init_file( name, &init_info ) ) {
315                         init_unistr2( &description, init_info->description, UNI_STR_TERMINATE );
316                         TALLOC_FREE( init_info );
317                 }
318                 else {
319                         init_unistr2( &description, "External Unix Service", UNI_STR_TERMINATE );
320                 }
321         }
322
323         /* add the new values */
324
325         regval_ctr_addvalue( values, "DisplayName", REG_SZ, (char*)dname.buffer, dname.uni_str_len*2);
326         regval_ctr_addvalue( values, "ImagePath", REG_SZ, (char*)ipath.buffer, ipath.uni_str_len*2);
327         regval_ctr_addvalue( values, "Description", REG_SZ, (char*)description.buffer, description.uni_str_len*2);
328
329         return;
330 }
331
332 /********************************************************************
333 ********************************************************************/
334
335 static void add_new_svc_name( REGISTRY_KEY *key_parent, REGSUBKEY_CTR *subkeys,
336                               const char *name )
337 {
338         REGISTRY_KEY *key_service, *key_secdesc;
339         WERROR wresult;
340         char *path = NULL;
341         REGVAL_CTR *values;
342         REGSUBKEY_CTR *svc_subkeys;
343         SEC_DESC *sd;
344         DATA_BLOB sd_blob;
345         NTSTATUS status;
346
347         /* add to the list and create the subkey path */
348
349         regsubkey_ctr_addkey( subkeys, name );
350         store_reg_keys( key_parent, subkeys );
351
352         /* open the new service key */
353
354         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
355                 return;
356         }
357         wresult = regkey_open_internal( NULL, &key_service, path,
358                                         get_root_nt_token(), REG_KEY_ALL );
359         if ( !W_ERROR_IS_OK(wresult) ) {
360                 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
361                         path, dos_errstr(wresult)));
362                 SAFE_FREE(path);
363                 return;
364         }
365         SAFE_FREE(path);
366
367         /* add the 'Security' key */
368
369         if ( !(svc_subkeys = TALLOC_ZERO_P( key_service, REGSUBKEY_CTR )) ) {
370                 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
371                 TALLOC_FREE( key_service );
372                 return;
373         }
374
375         fetch_reg_keys( key_service, svc_subkeys );
376         regsubkey_ctr_addkey( svc_subkeys, "Security" );
377         store_reg_keys( key_service, svc_subkeys );
378
379         /* now for the service values */
380
381         if ( !(values = TALLOC_ZERO_P( key_service, REGVAL_CTR )) ) {
382                 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
383                 TALLOC_FREE( key_service );
384                 return;
385         }
386
387         fill_service_values( name, values );
388         store_reg_values( key_service, values );
389
390         /* cleanup the service key*/
391
392         TALLOC_FREE( key_service );
393
394         /* now add the security descriptor */
395
396         if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
397                 return;
398         }
399         wresult = regkey_open_internal( NULL, &key_secdesc, path,
400                                         get_root_nt_token(), REG_KEY_ALL );
401         if ( !W_ERROR_IS_OK(wresult) ) {
402                 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
403                         path, dos_errstr(wresult)));
404                 TALLOC_FREE( key_secdesc );
405                 SAFE_FREE(path);
406                 return;
407         }
408         SAFE_FREE(path);
409
410         if ( !(values = TALLOC_ZERO_P( key_secdesc, REGVAL_CTR )) ) {
411                 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
412                 TALLOC_FREE( key_secdesc );
413                 return;
414         }
415
416         if ( !(sd = construct_service_sd(key_secdesc)) ) {
417                 DEBUG(0,("add_new_svc_name: Failed to create default sec_desc!\n"));
418                 TALLOC_FREE( key_secdesc );
419                 return;
420         }
421
422         status = marshall_sec_desc(key_secdesc, sd, &sd_blob.data,
423                                    &sd_blob.length);
424         if (!NT_STATUS_IS_OK(status)) {
425                 DEBUG(0, ("marshall_sec_desc failed: %s\n",
426                           nt_errstr(status)));
427                 TALLOC_FREE(key_secdesc);
428                 return;
429         }
430
431         regval_ctr_addvalue(values, "Security", REG_BINARY,
432                             (const char *)sd_blob.data, sd_blob.length);
433         store_reg_values( key_secdesc, values );
434
435         TALLOC_FREE( key_secdesc );
436
437         return;
438 }
439
440 /********************************************************************
441 ********************************************************************/
442
443 void svcctl_init_keys( void )
444 {
445         const char **service_list = lp_svcctl_list();
446         int i;
447         REGSUBKEY_CTR *subkeys;
448         REGISTRY_KEY *key = NULL;
449         WERROR wresult;
450
451         /* bad mojo here if the lookup failed.  Should not happen */
452
453         wresult = regkey_open_internal( NULL, &key, KEY_SERVICES,
454                                         get_root_nt_token(), REG_KEY_ALL );
455
456         if ( !W_ERROR_IS_OK(wresult) ) {
457                 DEBUG(0,("svcctl_init_keys: key lookup failed! (%s)\n",
458                         dos_errstr(wresult)));
459                 return;
460         }
461
462         /* lookup the available subkeys */
463
464         if ( !(subkeys = TALLOC_ZERO_P( key, REGSUBKEY_CTR )) ) {
465                 DEBUG(0,("svcctl_init_keys: talloc() failed!\n"));
466                 TALLOC_FREE( key );
467                 return;
468         }
469
470         fetch_reg_keys( key, subkeys );
471
472         /* the builting services exist */
473
474         for ( i=0; builtin_svcs[i].servicename; i++ )
475                 add_new_svc_name( key, subkeys, builtin_svcs[i].servicename );
476
477         for ( i=0; service_list && service_list[i]; i++ ) {
478
479                 /* only add new services */
480                 if ( regsubkey_ctr_key_exists( subkeys, service_list[i] ) )
481                         continue;
482
483                 /* Add the new service key and initialize the appropriate values */
484
485                 add_new_svc_name( key, subkeys, service_list[i] );
486         }
487
488         TALLOC_FREE( key );
489
490         /* initialize the control hooks */
491
492         init_service_op_table();
493
494         return;
495 }
496
497 /********************************************************************
498  This is where we do the dirty work of filling in things like the
499  Display name, Description, etc...Always return a default secdesc
500  in case of any failure.
501 ********************************************************************/
502
503 SEC_DESC *svcctl_get_secdesc( TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
504 {
505         REGISTRY_KEY *key;
506         REGVAL_CTR *values;
507         REGISTRY_VALUE *val;
508         SEC_DESC *ret_sd = NULL;
509         char *path= NULL;
510         WERROR wresult;
511         NTSTATUS status;
512
513         /* now add the security descriptor */
514
515         if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
516                 return NULL;
517         }
518         wresult = regkey_open_internal( NULL, &key, path, token,
519                                         REG_KEY_ALL );
520         if ( !W_ERROR_IS_OK(wresult) ) {
521                 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
522                         path, dos_errstr(wresult)));
523                 SAFE_FREE(path);
524                 return NULL;
525         }
526         SAFE_FREE(path);
527
528         if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
529                 DEBUG(0,("svcctl_get_secdesc: talloc() failed!\n"));
530                 TALLOC_FREE( key );
531                 return NULL;
532         }
533
534         fetch_reg_values( key, values );
535
536         TALLOC_FREE(key);
537
538         if ( !(val = regval_ctr_getvalue( values, "Security" )) ) {
539                 DEBUG(6,("svcctl_get_secdesc: constructing default secdesc for service [%s]\n", 
540                         name));
541                 return construct_service_sd( ctx );
542         }
543
544         /* stream the service security descriptor */
545
546         status = unmarshall_sec_desc(ctx, regval_data_p(val),
547                                      regval_size(val), &ret_sd);
548
549         if (!NT_STATUS_IS_OK(status)) {
550                 return construct_service_sd( ctx );
551         }
552
553         return ret_sd;
554 }
555
556 /********************************************************************
557  Wrapper to make storing a Service sd easier
558 ********************************************************************/
559
560 bool svcctl_set_secdesc( TALLOC_CTX *ctx, const char *name, SEC_DESC *sec_desc, NT_USER_TOKEN *token )
561 {
562         REGISTRY_KEY *key;
563         WERROR wresult;
564         char *path = NULL;
565         REGVAL_CTR *values;
566         prs_struct ps;
567         bool ret = False;
568
569         /* now add the security descriptor */
570
571         if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
572                 return false;
573         }
574         wresult = regkey_open_internal( NULL, &key, path, token,
575                                         REG_KEY_ALL );
576         if ( !W_ERROR_IS_OK(wresult) ) {
577                 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
578                         path, dos_errstr(wresult)));
579                 SAFE_FREE(path);
580                 return False;
581         }
582         SAFE_FREE(path);
583
584         if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
585                 DEBUG(0,("svcctl_set_secdesc: talloc() failed!\n"));
586                 TALLOC_FREE( key );
587                 return False;
588         }
589
590         /* stream the printer security descriptor */
591         prs_init( &ps, RPC_MAX_PDU_FRAG_LEN, key, MARSHALL);
592
593         if ( sec_io_desc("sec_desc", &sec_desc, &ps, 0 ) ) {
594                 uint32 offset = prs_offset( &ps );
595                 regval_ctr_addvalue( values, "Security", REG_BINARY, prs_data_p(&ps), offset );
596                 ret = store_reg_values( key, values );
597         }
598
599         /* cleanup */
600
601         prs_mem_free( &ps );
602         TALLOC_FREE( key);
603
604         return ret;
605 }
606
607 /********************************************************************
608 ********************************************************************/
609
610 const char *svcctl_lookup_dispname(TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
611 {
612         char *display_name = NULL;
613         REGISTRY_KEY *key = NULL;
614         REGVAL_CTR *values;
615         REGISTRY_VALUE *val;
616         char *path = NULL;
617         WERROR wresult;
618
619         /* now add the security descriptor */
620
621         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
622                 return NULL;
623         }
624         wresult = regkey_open_internal( NULL, &key, path, token,
625                                         REG_KEY_READ );
626         if ( !W_ERROR_IS_OK(wresult) ) {
627                 DEBUG(0,("svcctl_lookup_dispname: key lookup failed! [%s] (%s)\n", 
628                         path, dos_errstr(wresult)));
629                 SAFE_FREE(path);
630                 goto fail;
631         }
632         SAFE_FREE(path);
633
634         if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
635                 DEBUG(0,("svcctl_lookup_dispname: talloc() failed!\n"));
636                 TALLOC_FREE( key );
637                 goto fail;
638         }
639
640         fetch_reg_values( key, values );
641
642         if ( !(val = regval_ctr_getvalue( values, "DisplayName" )) )
643                 goto fail;
644
645         rpcstr_pull_talloc(ctx, &display_name, regval_data_p(val), regval_size(val), 0 );
646
647         TALLOC_FREE( key );
648
649         return display_name;
650
651 fail:
652         /* default to returning the service name */
653         TALLOC_FREE( key );
654         return talloc_strdup(ctx, name);
655 }
656
657 /********************************************************************
658 ********************************************************************/
659
660 const char *svcctl_lookup_description(TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
661 {
662         char *description = NULL;
663         REGISTRY_KEY *key = NULL;
664         REGVAL_CTR *values;
665         REGISTRY_VALUE *val;
666         char *path = NULL;
667         WERROR wresult;
668
669         /* now add the security descriptor */
670
671         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
672                 return NULL;
673         }
674         wresult = regkey_open_internal( NULL, &key, path, token,
675                                         REG_KEY_READ );
676         if ( !W_ERROR_IS_OK(wresult) ) {
677                 DEBUG(0,("svcctl_lookup_description: key lookup failed! [%s] (%s)\n", 
678                         path, dos_errstr(wresult)));
679                 SAFE_FREE(path);
680                 return NULL;
681         }
682         SAFE_FREE(path);
683
684         if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
685                 DEBUG(0,("svcctl_lookup_description: talloc() failed!\n"));
686                 TALLOC_FREE( key );
687                 return NULL;
688         }
689
690         fetch_reg_values( key, values );
691
692         if ( !(val = regval_ctr_getvalue( values, "Description" )) ) {
693                 TALLOC_FREE( key );
694                 return "Unix Service";
695         }
696         rpcstr_pull_talloc(ctx, &description, regval_data_p(val), regval_size(val), 0 );
697         TALLOC_FREE(key);
698
699         return description;
700 }
701
702
703 /********************************************************************
704 ********************************************************************/
705
706 REGVAL_CTR *svcctl_fetch_regvalues( const char *name, NT_USER_TOKEN *token )
707 {
708         REGISTRY_KEY *key = NULL;
709         REGVAL_CTR *values;
710         char *path = NULL;
711         WERROR wresult;
712
713         /* now add the security descriptor */
714
715         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
716                 return NULL;
717         }
718         wresult = regkey_open_internal( NULL, &key, path, token,
719                                         REG_KEY_READ );
720         if ( !W_ERROR_IS_OK(wresult) ) {
721                 DEBUG(0,("svcctl_fetch_regvalues: key lookup failed! [%s] (%s)\n",
722                         path, dos_errstr(wresult)));
723                 SAFE_FREE(path);
724                 return NULL;
725         }
726         SAFE_FREE(path);
727
728         if ( !(values = TALLOC_ZERO_P( NULL, REGVAL_CTR )) ) {
729                 DEBUG(0,("svcctl_fetch_regvalues: talloc() failed!\n"));
730                 TALLOC_FREE( key );
731                 return NULL;
732         }
733         fetch_reg_values( key, values );
734
735         TALLOC_FREE( key );
736         return values;
737 }