2 * Unix SMB/CIFS implementation.
3 * Service Control API Implementation
5 * Copyright (C) Marcin Krzysztof Porwit 2005.
6 * Largely Rewritten by:
7 * Copyright (C) Gerald (Jerry) Carter 2005.
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.
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.
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/>.
25 struct rcinit_file_information {
29 struct service_display_info {
30 const char *servicename;
33 const char *description;
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 }
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 }
86 /********************************************************************
87 ********************************************************************/
89 static SEC_DESC* construct_service_sd( TALLOC_CTX *ctx )
94 SEC_ACL *theacl = NULL;
97 /* basic access for Everyone */
99 init_sec_ace(&ace[i++], &global_sid_World,
100 SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_READ_ACCESS, 0);
102 init_sec_ace(&ace[i++], &global_sid_Builtin_Power_Users,
103 SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_EXECUTE_ACCESS, 0);
105 init_sec_ace(&ace[i++], &global_sid_Builtin_Server_Operators,
106 SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0);
107 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
108 SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0);
110 /* create the security descriptor */
112 if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
115 if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
116 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
123 /********************************************************************
124 This is where we do the dirty work of filling in things like the
125 Display name, Description, etc...
126 ********************************************************************/
128 static char *get_common_service_dispname( const char *servicename )
132 for ( i=0; common_unix_svcs[i].servicename; i++ ) {
133 if (strequal(servicename, common_unix_svcs[i].servicename)) {
135 if (asprintf(&dispname,
137 common_unix_svcs[i].dispname,
138 common_unix_svcs[i].servicename) < 0) {
145 return SMB_STRDUP(servicename );
148 /********************************************************************
149 ********************************************************************/
151 static char *cleanup_string( const char *string )
155 TALLOC_CTX *ctx = talloc_tos();
157 clean = talloc_strdup(ctx, string);
163 /* trim any beginning whilespace */
165 while (isspace(*begin)) {
169 if (*begin == '\0') {
173 /* trim any trailing whitespace or carriage returns.
174 Start at the end and move backwards */
176 end = begin + strlen(begin) - 1;
178 while ( isspace(*end) || *end=='\n' || *end=='\r' ) {
186 /********************************************************************
187 ********************************************************************/
189 static bool read_init_file( const char *servicename, struct rcinit_file_information **service_info )
191 struct rcinit_file_information *info = NULL;
192 char *filepath = NULL;
197 if ( !(info = TALLOC_ZERO_P( NULL, struct rcinit_file_information ) ) )
200 /* attempt the file open */
202 filepath = talloc_asprintf(info, "%s/%s/%s", get_dyn_MODULESDIR(),
203 SVCCTL_SCRIPT_DIR, servicename);
208 if (!(f = x_fopen( filepath, O_RDONLY, 0 ))) {
209 DEBUG(0,("read_init_file: failed to open [%s]\n", filepath));
214 while ( (x_fgets( str, sizeof(str)-1, f )) != NULL ) {
215 /* ignore everything that is not a full line
216 comment starting with a '#' */
221 /* Look for a line like '^#.*Description:' */
223 if ( (p = strstr( str, "Description:" )) != NULL ) {
226 p += strlen( "Description:" ) + 1;
230 if ( (desc = cleanup_string(p)) != NULL )
231 info->description = talloc_strdup( info, desc );
237 if ( !info->description )
238 info->description = talloc_strdup( info, "External Unix Service" );
240 *service_info = info;
241 TALLOC_FREE(filepath);
246 /********************************************************************
247 This is where we do the dirty work of filling in things like the
248 Display name, Description, etc...
249 ********************************************************************/
251 static void fill_service_values(const char *name, struct regval_ctr *values)
253 char *dname, *ipath, *description;
257 /* These values are hardcoded in all QueryServiceConfig() replies.
258 I'm just storing them here for cosmetic purposes */
260 dword = SVCCTL_AUTO_START;
261 regval_ctr_addvalue( values, "Start", REG_DWORD, (char*)&dword, sizeof(uint32));
263 dword = SERVICE_TYPE_WIN32_OWN_PROCESS;
264 regval_ctr_addvalue( values, "Type", REG_DWORD, (char*)&dword, sizeof(uint32));
266 dword = SVCCTL_SVC_ERROR_NORMAL;
267 regval_ctr_addvalue( values, "ErrorControl", REG_DWORD, (char*)&dword, sizeof(uint32));
269 /* everything runs as LocalSystem */
271 regval_ctr_addvalue_sz(values, "ObjectName", "LocalSystem");
273 /* special considerations for internal services and the DisplayName value */
275 for ( i=0; builtin_svcs[i].servicename; i++ ) {
276 if ( strequal( name, builtin_svcs[i].servicename ) ) {
277 ipath = talloc_asprintf(talloc_tos(), "%s/%s/%s",
278 get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR,
279 builtin_svcs[i].daemon);
280 description = talloc_strdup(talloc_tos(), builtin_svcs[i].description);
281 dname = talloc_strdup(talloc_tos(), builtin_svcs[i].dispname);
286 /* default to an external service if we haven't found a match */
288 if ( builtin_svcs[i].servicename == NULL ) {
289 char *dispname = NULL;
290 struct rcinit_file_information *init_info = NULL;
292 ipath = talloc_asprintf(talloc_tos(), "%s/%s/%s",
293 get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR,
296 /* lookup common unix display names */
297 dispname = get_common_service_dispname(name);
298 dname = talloc_strdup(talloc_tos(), dispname ? dispname : "");
301 /* get info from init file itself */
302 if ( read_init_file( name, &init_info ) ) {
303 description = talloc_strdup(talloc_tos(), init_info->description);
304 TALLOC_FREE( init_info );
307 description = talloc_strdup(talloc_tos(), "External Unix Service");
311 /* add the new values */
313 regval_ctr_addvalue_sz(values, "DisplayName", dname);
314 regval_ctr_addvalue_sz(values, "ImagePath", ipath);
315 regval_ctr_addvalue_sz(values, "Description", description);
319 TALLOC_FREE(description);
324 /********************************************************************
325 ********************************************************************/
327 static void add_new_svc_name(struct registry_key_handle *key_parent,
328 struct regsubkey_ctr *subkeys,
331 struct registry_key_handle *key_service = NULL, *key_secdesc = NULL;
334 struct regval_ctr *values = NULL;
335 struct regsubkey_ctr *svc_subkeys = NULL;
340 /* add to the list and create the subkey path */
342 regsubkey_ctr_addkey( subkeys, name );
343 store_reg_keys( key_parent, subkeys );
345 /* open the new service key */
347 if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
350 wresult = regkey_open_internal( NULL, &key_service, path,
351 get_root_nt_token(), REG_KEY_ALL );
352 if ( !W_ERROR_IS_OK(wresult) ) {
353 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
354 path, win_errstr(wresult)));
360 /* add the 'Security' key */
362 wresult = regsubkey_ctr_init(key_service, &svc_subkeys);
363 if (!W_ERROR_IS_OK(wresult)) {
364 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
365 TALLOC_FREE( key_service );
369 fetch_reg_keys( key_service, svc_subkeys );
370 regsubkey_ctr_addkey( svc_subkeys, "Security" );
371 store_reg_keys( key_service, svc_subkeys );
373 /* now for the service values */
375 if ( !(values = TALLOC_ZERO_P( key_service, struct regval_ctr )) ) {
376 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
377 TALLOC_FREE( key_service );
381 fill_service_values( name, values );
382 store_reg_values( key_service, values );
384 /* cleanup the service key*/
386 TALLOC_FREE( key_service );
388 /* now add the security descriptor */
390 if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
393 wresult = regkey_open_internal( NULL, &key_secdesc, path,
394 get_root_nt_token(), REG_KEY_ALL );
395 if ( !W_ERROR_IS_OK(wresult) ) {
396 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
397 path, win_errstr(wresult)));
398 TALLOC_FREE( key_secdesc );
404 if ( !(values = TALLOC_ZERO_P( key_secdesc, struct regval_ctr )) ) {
405 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
406 TALLOC_FREE( key_secdesc );
410 if ( !(sd = construct_service_sd(key_secdesc)) ) {
411 DEBUG(0,("add_new_svc_name: Failed to create default sec_desc!\n"));
412 TALLOC_FREE( key_secdesc );
416 status = marshall_sec_desc(key_secdesc, sd, &sd_blob.data,
418 if (!NT_STATUS_IS_OK(status)) {
419 DEBUG(0, ("marshall_sec_desc failed: %s\n",
421 TALLOC_FREE(key_secdesc);
425 regval_ctr_addvalue(values, "Security", REG_BINARY,
426 (const char *)sd_blob.data, sd_blob.length);
427 store_reg_values( key_secdesc, values );
429 TALLOC_FREE( key_secdesc );
434 /********************************************************************
435 ********************************************************************/
437 void svcctl_init_keys( void )
439 const char **service_list = lp_svcctl_list();
441 struct regsubkey_ctr *subkeys = NULL;
442 struct registry_key_handle *key = NULL;
445 /* bad mojo here if the lookup failed. Should not happen */
447 wresult = regkey_open_internal( NULL, &key, KEY_SERVICES,
448 get_root_nt_token(), REG_KEY_ALL );
450 if ( !W_ERROR_IS_OK(wresult) ) {
451 DEBUG(0,("svcctl_init_keys: key lookup failed! (%s)\n",
452 win_errstr(wresult)));
456 /* lookup the available subkeys */
458 wresult = regsubkey_ctr_init(key, &subkeys);
459 if (!W_ERROR_IS_OK(wresult)) {
460 DEBUG(0,("svcctl_init_keys: talloc() failed!\n"));
465 fetch_reg_keys( key, subkeys );
467 /* the builtin services exist */
469 for ( i=0; builtin_svcs[i].servicename; i++ )
470 add_new_svc_name( key, subkeys, builtin_svcs[i].servicename );
472 for ( i=0; service_list && service_list[i]; i++ ) {
474 /* only add new services */
475 if ( regsubkey_ctr_key_exists( subkeys, service_list[i] ) )
478 /* Add the new service key and initialize the appropriate values */
480 add_new_svc_name( key, subkeys, service_list[i] );
485 /* initialize the control hooks */
487 init_service_op_table();
492 /********************************************************************
493 This is where we do the dirty work of filling in things like the
494 Display name, Description, etc...Always return a default secdesc
495 in case of any failure.
496 ********************************************************************/
498 SEC_DESC *svcctl_get_secdesc( TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
500 struct registry_key_handle *key = NULL;
501 struct regval_ctr *values = NULL;
502 struct regval_blob *val = NULL;
503 SEC_DESC *ret_sd = NULL;
508 /* now add the security descriptor */
510 if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
513 wresult = regkey_open_internal( NULL, &key, path, token,
515 if ( !W_ERROR_IS_OK(wresult) ) {
516 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
517 path, win_errstr(wresult)));
521 if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
522 DEBUG(0,("svcctl_get_secdesc: talloc() failed!\n"));
526 if (fetch_reg_values( key, values ) == -1) {
527 DEBUG(0, ("Error getting registry values\n"));
531 if ( !(val = regval_ctr_getvalue( values, "Security" )) ) {
532 goto fallback_to_default_sd;
535 /* stream the service security descriptor */
537 status = unmarshall_sec_desc(ctx, regval_data_p(val),
538 regval_size(val), &ret_sd);
540 if (NT_STATUS_IS_OK(status)) {
544 fallback_to_default_sd:
545 DEBUG(6, ("svcctl_get_secdesc: constructing default secdesc for "
546 "service [%s]\n", name));
547 ret_sd = construct_service_sd(ctx);
555 /********************************************************************
556 Wrapper to make storing a Service sd easier
557 ********************************************************************/
559 bool svcctl_set_secdesc( TALLOC_CTX *ctx, const char *name, SEC_DESC *sec_desc, NT_USER_TOKEN *token )
561 struct registry_key_handle *key = NULL;
564 struct regval_ctr *values = NULL;
569 /* now add the security descriptor */
571 if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
574 wresult = regkey_open_internal( NULL, &key, path, token,
576 if ( !W_ERROR_IS_OK(wresult) ) {
577 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
578 path, win_errstr(wresult)));
584 if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
585 DEBUG(0,("svcctl_set_secdesc: talloc() failed!\n"));
590 /* stream the printer security descriptor */
592 status = marshall_sec_desc(ctx, sec_desc, &blob.data, &blob.length);
593 if (!NT_STATUS_IS_OK(status)) {
594 DEBUG(0,("svcctl_set_secdesc: ndr_push_struct_blob() failed!\n"));
599 regval_ctr_addvalue( values, "Security", REG_BINARY, (const char *)blob.data, blob.length);
600 ret = store_reg_values( key, values );
609 /********************************************************************
610 ********************************************************************/
612 const char *svcctl_lookup_dispname(TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
614 char *display_name = NULL;
615 struct registry_key_handle *key = NULL;
616 struct regval_ctr *values = NULL;
617 struct regval_blob *val = NULL;
621 /* now add the security descriptor */
623 if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
626 wresult = regkey_open_internal( NULL, &key, path, token,
628 if ( !W_ERROR_IS_OK(wresult) ) {
629 DEBUG(0,("svcctl_lookup_dispname: key lookup failed! [%s] (%s)\n",
630 path, win_errstr(wresult)));
636 if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
637 DEBUG(0,("svcctl_lookup_dispname: talloc() failed!\n"));
642 fetch_reg_values( key, values );
644 if ( !(val = regval_ctr_getvalue( values, "DisplayName" )) )
647 rpcstr_pull_talloc(ctx, &display_name, regval_data_p(val), regval_size(val), 0 );
654 /* default to returning the service name */
656 return talloc_strdup(ctx, name);
659 /********************************************************************
660 ********************************************************************/
662 const char *svcctl_lookup_description(TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
664 char *description = NULL;
665 struct registry_key_handle *key = NULL;
666 struct regval_ctr *values = NULL;
667 struct regval_blob *val = NULL;
671 /* now add the security descriptor */
673 if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
676 wresult = regkey_open_internal( NULL, &key, path, token,
678 if ( !W_ERROR_IS_OK(wresult) ) {
679 DEBUG(0,("svcctl_lookup_description: key lookup failed! [%s] (%s)\n",
680 path, win_errstr(wresult)));
686 if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
687 DEBUG(0,("svcctl_lookup_description: talloc() failed!\n"));
692 fetch_reg_values( key, values );
694 if ( !(val = regval_ctr_getvalue( values, "Description" )) ) {
696 return "Unix Service";
698 rpcstr_pull_talloc(ctx, &description, regval_data_p(val), regval_size(val), 0 );
705 /********************************************************************
706 ********************************************************************/
708 struct regval_ctr *svcctl_fetch_regvalues(const char *name, NT_USER_TOKEN *token)
710 struct registry_key_handle *key = NULL;
711 struct regval_ctr *values = NULL;
715 /* now add the security descriptor */
717 if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
720 wresult = regkey_open_internal( NULL, &key, path, token,
722 if ( !W_ERROR_IS_OK(wresult) ) {
723 DEBUG(0,("svcctl_fetch_regvalues: key lookup failed! [%s] (%s)\n",
724 path, win_errstr(wresult)));
730 if ( !(values = TALLOC_ZERO_P( NULL, struct regval_ctr )) ) {
731 DEBUG(0,("svcctl_fetch_regvalues: talloc() failed!\n"));
735 fetch_reg_values( key, values );