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 )
98 /* basic access for Everyone */
100 init_sec_access(&mask, SERVICE_READ_ACCESS );
101 init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
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);
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);
110 /* create the security descriptor */
112 if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
115 if ( !(sd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, acl, &sd_size)) )
121 /********************************************************************
122 This is where we do the dirty work of filling in things like the
123 Display name, Description, etc...
124 ********************************************************************/
126 static char *get_common_service_dispname( const char *servicename )
128 static fstring dispname;
131 for ( i=0; common_unix_svcs[i].servicename; i++ ) {
132 if ( strequal( servicename, common_unix_svcs[i].servicename ) ) {
133 fstr_sprintf( dispname, "%s (%s)",
134 common_unix_svcs[i].dispname,
135 common_unix_svcs[i].servicename );
141 fstrcpy( dispname, servicename );
146 /********************************************************************
147 ********************************************************************/
149 static char* cleanup_string( const char *string )
151 static pstring clean;
154 pstrcpy( clean, string );
157 /* trim any beginning whilespace */
159 while ( isspace(*begin) )
162 if ( *begin == '\0' )
165 /* trim any trailing whitespace or carriage returns.
166 Start at the end and move backwards */
168 end = begin + strlen(begin) - 1;
170 while ( isspace(*end) || *end=='\n' || *end=='\r' ) {
178 /********************************************************************
179 ********************************************************************/
181 static BOOL read_init_file( const char *servicename, struct rcinit_file_information **service_info )
183 struct rcinit_file_information *info;
184 pstring filepath, str;
188 if ( !(info = TALLOC_ZERO_P( NULL, struct rcinit_file_information ) ) )
191 /* attempt the file open */
193 pstr_sprintf( filepath, "%s/%s/%s", dyn_LIBDIR, SVCCTL_SCRIPT_DIR, servicename );
194 if ( !(f = x_fopen( filepath, O_RDONLY, 0 )) ) {
195 DEBUG(0,("read_init_file: failed to open [%s]\n", filepath));
200 while ( (x_fgets( str, sizeof(str)-1, f )) != NULL ) {
201 /* ignore everything that is not a full line
202 comment starting with a '#' */
207 /* Look for a line like '^#.*Description:' */
209 if ( (p = strstr( str, "Description:" )) != NULL ) {
212 p += strlen( "Description:" ) + 1;
216 if ( (desc = cleanup_string(p)) != NULL )
217 info->description = talloc_strdup( info, desc );
223 if ( !info->description )
224 info->description = talloc_strdup( info, "External Unix Service" );
226 *service_info = info;
231 /********************************************************************
232 This is where we do the dirty work of filling in things like the
233 Display name, Description, etc...
234 ********************************************************************/
236 static void fill_service_values( const char *name, REGVAL_CTR *values )
238 UNISTR2 data, dname, ipath, description;
243 /* These values are hardcoded in all QueryServiceConfig() replies.
244 I'm just storing them here for cosmetic purposes */
246 dword = SVCCTL_AUTO_START;
247 regval_ctr_addvalue( values, "Start", REG_DWORD, (char*)&dword, sizeof(uint32));
249 dword = SVCCTL_WIN32_OWN_PROC;
250 regval_ctr_addvalue( values, "Type", REG_DWORD, (char*)&dword, sizeof(uint32));
252 dword = SVCCTL_SVC_ERROR_NORMAL;
253 regval_ctr_addvalue( values, "ErrorControl", REG_DWORD, (char*)&dword, sizeof(uint32));
255 /* everything runs as LocalSystem */
257 init_unistr2( &data, "LocalSystem", UNI_STR_TERMINATE );
258 regval_ctr_addvalue( values, "ObjectName", REG_SZ, (char*)data.buffer, data.uni_str_len*2);
260 /* special considerations for internal services and the DisplayName value */
262 for ( i=0; builtin_svcs[i].servicename; i++ ) {
263 if ( strequal( name, builtin_svcs[i].servicename ) ) {
264 pstr_sprintf( pstr, "%s/%s/%s",dyn_LIBDIR, SVCCTL_SCRIPT_DIR, builtin_svcs[i].daemon );
265 init_unistr2( &ipath, pstr, UNI_STR_TERMINATE );
266 init_unistr2( &description, builtin_svcs[i].description, UNI_STR_TERMINATE );
267 init_unistr2( &dname, builtin_svcs[i].dispname, UNI_STR_TERMINATE );
272 /* default to an external service if we haven't found a match */
274 if ( builtin_svcs[i].servicename == NULL ) {
275 struct rcinit_file_information *init_info = NULL;
277 pstr_sprintf( pstr, "%s/%s/%s",dyn_LIBDIR, SVCCTL_SCRIPT_DIR, name );
278 init_unistr2( &ipath, pstr, UNI_STR_TERMINATE );
280 /* lookup common unix display names */
281 init_unistr2( &dname, get_common_service_dispname( name ), UNI_STR_TERMINATE );
283 /* get info from init file itself */
284 if ( read_init_file( name, &init_info ) ) {
285 init_unistr2( &description, init_info->description, UNI_STR_TERMINATE );
286 TALLOC_FREE( init_info );
289 init_unistr2( &description, "External Unix Service", UNI_STR_TERMINATE );
293 /* add the new values */
295 regval_ctr_addvalue( values, "DisplayName", REG_SZ, (char*)dname.buffer, dname.uni_str_len*2);
296 regval_ctr_addvalue( values, "ImagePath", REG_SZ, (char*)ipath.buffer, ipath.uni_str_len*2);
297 regval_ctr_addvalue( values, "Description", REG_SZ, (char*)description.buffer, description.uni_str_len*2);
302 /********************************************************************
303 ********************************************************************/
305 static void add_new_svc_name( REGISTRY_KEY *key_parent, REGSUBKEY_CTR *subkeys,
308 REGISTRY_KEY *key_service, *key_secdesc;
312 REGSUBKEY_CTR *svc_subkeys;
316 /* add to the list and create the subkey path */
318 regsubkey_ctr_addkey( subkeys, name );
319 store_reg_keys( key_parent, subkeys );
321 /* open the new service key */
323 pstr_sprintf( path, "%s\\%s", KEY_SERVICES, name );
324 wresult = regkey_open_internal( NULL, &key_service, path,
325 get_root_nt_token(), REG_KEY_ALL );
326 if ( !W_ERROR_IS_OK(wresult) ) {
327 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
328 path, dos_errstr(wresult)));
332 /* add the 'Security' key */
334 if ( !(svc_subkeys = TALLOC_ZERO_P( key_service, REGSUBKEY_CTR )) ) {
335 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
336 TALLOC_FREE( key_service );
340 fetch_reg_keys( key_service, svc_subkeys );
341 regsubkey_ctr_addkey( svc_subkeys, "Security" );
342 store_reg_keys( key_service, svc_subkeys );
344 /* now for the service values */
346 if ( !(values = TALLOC_ZERO_P( key_service, REGVAL_CTR )) ) {
347 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
348 TALLOC_FREE( key_service );
352 fill_service_values( name, values );
353 store_reg_values( key_service, values );
355 /* cleanup the service key*/
357 TALLOC_FREE( key_service );
359 /* now add the security descriptor */
361 pstr_sprintf( path, "%s\\%s\\%s", KEY_SERVICES, name, "Security" );
362 wresult = regkey_open_internal( NULL, &key_secdesc, path,
363 get_root_nt_token(), REG_KEY_ALL );
364 if ( !W_ERROR_IS_OK(wresult) ) {
365 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
366 path, dos_errstr(wresult)));
367 TALLOC_FREE( key_secdesc );
371 if ( !(values = TALLOC_ZERO_P( key_secdesc, REGVAL_CTR )) ) {
372 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
373 TALLOC_FREE( key_secdesc );
377 if ( !(sd = construct_service_sd(key_secdesc)) ) {
378 DEBUG(0,("add_new_svc_name: Failed to create default sec_desc!\n"));
379 TALLOC_FREE( key_secdesc );
383 /* stream the printer security descriptor */
385 prs_init( &ps, RPC_MAX_PDU_FRAG_LEN, key_secdesc, MARSHALL);
387 if ( sec_io_desc("sec_desc", &sd, &ps, 0 ) ) {
388 uint32 offset = prs_offset( &ps );
389 regval_ctr_addvalue( values, "Security", REG_BINARY, prs_data_p(&ps), offset );
390 store_reg_values( key_secdesc, values );
393 /* finally cleanup the Security key */
396 TALLOC_FREE( key_secdesc );
401 /********************************************************************
402 ********************************************************************/
404 void svcctl_init_keys( void )
406 const char **service_list = lp_svcctl_list();
408 REGSUBKEY_CTR *subkeys;
409 REGISTRY_KEY *key = NULL;
412 /* bad mojo here if the lookup failed. Should not happen */
414 wresult = regkey_open_internal( NULL, &key, KEY_SERVICES,
415 get_root_nt_token(), REG_KEY_ALL );
417 if ( !W_ERROR_IS_OK(wresult) ) {
418 DEBUG(0,("init_services_keys: key lookup failed! (%s)\n",
419 dos_errstr(wresult)));
423 /* lookup the available subkeys */
425 if ( !(subkeys = TALLOC_ZERO_P( key, REGSUBKEY_CTR )) ) {
426 DEBUG(0,("init_services_keys: talloc() failed!\n"));
431 fetch_reg_keys( key, subkeys );
433 /* the builting services exist */
435 for ( i=0; builtin_svcs[i].servicename; i++ )
436 add_new_svc_name( key, subkeys, builtin_svcs[i].servicename );
438 for ( i=0; service_list && service_list[i]; i++ ) {
440 /* only add new services */
441 if ( regsubkey_ctr_key_exists( subkeys, service_list[i] ) )
444 /* Add the new service key and initialize the appropriate values */
446 add_new_svc_name( key, subkeys, service_list[i] );
451 /* initialize the control hooks */
453 init_service_op_table();
458 /********************************************************************
459 This is where we do the dirty work of filling in things like the
460 Display name, Description, etc...Always return a default secdesc
461 in case of any failure.
462 ********************************************************************/
464 SEC_DESC* svcctl_get_secdesc( TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
471 SEC_DESC *ret_sd = NULL;
475 /* now add the security descriptor */
477 pstr_sprintf( path, "%s\\%s\\%s", KEY_SERVICES, name, "Security" );
478 wresult = regkey_open_internal( NULL, &key, path, token,
480 if ( !W_ERROR_IS_OK(wresult) ) {
481 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
482 path, dos_errstr(wresult)));
486 if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
487 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
492 fetch_reg_values( key, values );
494 if ( !(val = regval_ctr_getvalue( values, "Security" )) ) {
495 DEBUG(6,("svcctl_get_secdesc: constructing default secdesc for service [%s]\n",
498 return construct_service_sd( ctx );
502 /* stream the printer security descriptor */
504 prs_init( &ps, 0, key, UNMARSHALL);
505 prs_give_memory( &ps, (char *)regval_data_p(val), regval_size(val), False );
507 if ( !sec_io_desc("sec_desc", &sd, &ps, 0 ) ) {
509 return construct_service_sd( ctx );
512 ret_sd = dup_sec_desc( ctx, sd );
514 /* finally cleanup the Security key */
522 /********************************************************************
523 Wrapper to make storing a Service sd easier
524 ********************************************************************/
526 BOOL svcctl_set_secdesc( TALLOC_CTX *ctx, const char *name, SEC_DESC *sec_desc, NT_USER_TOKEN *token )
535 /* now add the security descriptor */
537 pstr_sprintf( path, "%s\\%s\\%s", KEY_SERVICES, name, "Security" );
538 wresult = regkey_open_internal( NULL, &key, path, token,
540 if ( !W_ERROR_IS_OK(wresult) ) {
541 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
542 path, dos_errstr(wresult)));
546 if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
547 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
552 /* stream the printer security descriptor */
554 prs_init( &ps, RPC_MAX_PDU_FRAG_LEN, key, MARSHALL);
556 if ( sec_io_desc("sec_desc", &sec_desc, &ps, 0 ) ) {
557 uint32 offset = prs_offset( &ps );
558 regval_ctr_addvalue( values, "Security", REG_BINARY, prs_data_p(&ps), offset );
559 ret = store_reg_values( key, values );
570 /********************************************************************
571 ********************************************************************/
573 char* svcctl_lookup_dispname( const char *name, NT_USER_TOKEN *token )
575 static fstring display_name;
582 /* now add the security descriptor */
584 pstr_sprintf( path, "%s\\%s", KEY_SERVICES, name );
585 wresult = regkey_open_internal( NULL, &key, path, token,
587 if ( !W_ERROR_IS_OK(wresult) ) {
588 DEBUG(0,("svcctl_lookup_dispname: key lookup failed! [%s] (%s)\n",
589 path, dos_errstr(wresult)));
593 if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
594 DEBUG(0,("svcctl_lookup_dispname: talloc() failed!\n"));
599 fetch_reg_values( key, values );
601 if ( !(val = regval_ctr_getvalue( values, "DisplayName" )) )
604 rpcstr_pull( display_name, regval_data_p(val), sizeof(display_name), regval_size(val), 0 );
611 /* default to returning the service name */
613 fstrcpy( display_name, name );
617 /********************************************************************
618 ********************************************************************/
620 char* svcctl_lookup_description( const char *name, NT_USER_TOKEN *token )
622 static fstring description;
629 /* now add the security descriptor */
631 pstr_sprintf( path, "%s\\%s", KEY_SERVICES, name );
632 wresult = regkey_open_internal( NULL, &key, path, token,
634 if ( !W_ERROR_IS_OK(wresult) ) {
635 DEBUG(0,("svcctl_lookup_dispname: key lookup failed! [%s] (%s)\n",
636 path, dos_errstr(wresult)));
640 if ( !(values = TALLOC_ZERO_P( key, REGVAL_CTR )) ) {
641 DEBUG(0,("svcctl_lookup_dispname: talloc() failed!\n"));
646 fetch_reg_values( key, values );
648 if ( !(val = regval_ctr_getvalue( values, "Description" )) )
649 fstrcpy( description, "Unix Service");
651 rpcstr_pull( description, regval_data_p(val), sizeof(description), regval_size(val), 0 );
659 /********************************************************************
660 ********************************************************************/
662 REGVAL_CTR* svcctl_fetch_regvalues( const char *name, NT_USER_TOKEN *token )
669 /* now add the security descriptor */
671 pstr_sprintf( path, "%s\\%s", KEY_SERVICES, name );
672 wresult = regkey_open_internal( NULL, &key, path, token,
674 if ( !W_ERROR_IS_OK(wresult) ) {
675 DEBUG(0,("svcctl_fetch_regvalues: key lookup failed! [%s] (%s)\n",
676 path, dos_errstr(wresult)));
680 if ( !(values = TALLOC_ZERO_P( NULL, REGVAL_CTR )) ) {
681 DEBUG(0,("svcctl_fetch_regvalues: talloc() failed!\n"));
686 fetch_reg_values( key, values );