diff options
Diffstat (limited to 'source3/rpc_server/srv_svcctl_nt.c')
-rw-r--r-- | source3/rpc_server/srv_svcctl_nt.c | 1109 |
1 files changed, 1109 insertions, 0 deletions
diff --git a/source3/rpc_server/srv_svcctl_nt.c b/source3/rpc_server/srv_svcctl_nt.c new file mode 100644 index 0000000000..6bb538a311 --- /dev/null +++ b/source3/rpc_server/srv_svcctl_nt.c @@ -0,0 +1,1109 @@ +/* + * Unix SMB/CIFS implementation. + * RPC Pipe client / server routines + * + * Copyright (C) Marcin Krzysztof Porwit 2005. + * + * Largely Rewritten (Again) by: + * Copyright (C) Gerald (Jerry) Carter 2005. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#include "includes.h" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_RPC_SRV + +struct service_control_op { + const char *name; + SERVICE_CONTROL_OPS *ops; +}; + +#define SVCCTL_NUM_INTERNAL_SERVICES 4 + +/* handle external services */ +extern SERVICE_CONTROL_OPS rcinit_svc_ops; + +/* builtin services (see service_db.c and services/svc_*.c */ +extern SERVICE_CONTROL_OPS spoolss_svc_ops; +extern SERVICE_CONTROL_OPS netlogon_svc_ops; +extern SERVICE_CONTROL_OPS winreg_svc_ops; +extern SERVICE_CONTROL_OPS wins_svc_ops; + +/* make sure this number patches the number of builtin + SERVICE_CONTROL_OPS structure listed above */ + +#define SVCCTL_NUM_INTERNAL_SERVICES 4 + +struct service_control_op *svcctl_ops; + +static const struct generic_mapping scm_generic_map = + { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS }; +static const struct generic_mapping svc_generic_map = + { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS }; + + +/******************************************************************** +********************************************************************/ + +bool init_service_op_table( void ) +{ + const char **service_list = lp_svcctl_list(); + int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_count( service_list ); + int i; + + if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) { + DEBUG(0,("init_service_op_table: talloc() failed!\n")); + return False; + } + + /* services listed in smb.conf get the rc.init interface */ + + for ( i=0; service_list && service_list[i]; i++ ) { + svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] ); + svcctl_ops[i].ops = &rcinit_svc_ops; + } + + /* add builtin services */ + + svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" ); + svcctl_ops[i].ops = &spoolss_svc_ops; + i++; + + svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" ); + svcctl_ops[i].ops = &netlogon_svc_ops; + i++; + + svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" ); + svcctl_ops[i].ops = &winreg_svc_ops; + i++; + + svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" ); + svcctl_ops[i].ops = &wins_svc_ops; + i++; + + /* NULL terminate the array */ + + svcctl_ops[i].name = NULL; + svcctl_ops[i].ops = NULL; + + return True; +} + +/******************************************************************** +********************************************************************/ + +static struct service_control_op* find_service_by_name( const char *name ) +{ + int i; + + for ( i=0; svcctl_ops[i].name; i++ ) { + if ( strequal( name, svcctl_ops[i].name ) ) + return &svcctl_ops[i]; + } + + return NULL; +} +/******************************************************************** +********************************************************************/ + +static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token, + uint32 access_desired, uint32 *access_granted ) +{ + NTSTATUS result; + + if ( geteuid() == sec_initial_uid() ) { + DEBUG(5,("svcctl_access_check: using root's token\n")); + token = get_root_nt_token(); + } + + se_access_check( sec_desc, token, access_desired, access_granted, &result ); + + return result; +} + +/******************************************************************** +********************************************************************/ + +static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx ) +{ + SEC_ACE ace[2]; + SEC_ACCESS mask; + size_t i = 0; + SEC_DESC *sd; + SEC_ACL *acl; + size_t sd_size; + + /* basic access for Everyone */ + + init_sec_access(&mask, SC_MANAGER_READ_ACCESS ); + init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); + + /* Full Access 'BUILTIN\Administrators' */ + + init_sec_access(&mask,SC_MANAGER_ALL_ACCESS ); + init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0); + + + /* create the security descriptor */ + + if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) ) + return NULL; + + if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1, + SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, + acl, &sd_size)) ) + return NULL; + + return sd; +} + +/****************************************************************** + free() function for REGISTRY_KEY + *****************************************************************/ + +static void free_service_handle_info(void *ptr) +{ + TALLOC_FREE( ptr ); +} + +/****************************************************************** + Find a registry key handle and return a SERVICE_INFO + *****************************************************************/ + +static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd) +{ + SERVICE_INFO *service_info = NULL; + + if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) { + DEBUG(2,("find_service_info_by_hnd: handle not found\n")); + return NULL; + } + + return service_info; +} + +/****************************************************************** + *****************************************************************/ + +static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle, uint32 type, + const char *service, uint32 access_granted ) +{ + SERVICE_INFO *info = NULL; + WERROR result = WERR_OK; + struct service_control_op *s_op; + + if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) ) + return WERR_NOMEM; + + /* the Service Manager has a NULL name */ + + info->type = SVC_HANDLE_IS_SCM; + + switch ( type ) { + case SVC_HANDLE_IS_SCM: + info->type = SVC_HANDLE_IS_SCM; + break; + + case SVC_HANDLE_IS_DBLOCK: + info->type = SVC_HANDLE_IS_DBLOCK; + break; + + case SVC_HANDLE_IS_SERVICE: + info->type = SVC_HANDLE_IS_SERVICE; + + /* lookup the SERVICE_CONTROL_OPS */ + + if ( !(s_op = find_service_by_name( service )) ) { + result = WERR_NO_SUCH_SERVICE; + goto done; + } + + info->ops = s_op->ops; + + if ( !(info->name = talloc_strdup( info, s_op->name )) ) { + result = WERR_NOMEM; + goto done; + } + break; + + default: + result = WERR_NO_SUCH_SERVICE; + goto done; + } + + info->access_granted = access_granted; + + /* store the SERVICE_INFO and create an open handle */ + + if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) { + result = WERR_ACCESS_DENIED; + goto done; + } + +done: + if ( !W_ERROR_IS_OK(result) ) + free_service_handle_info( info ); + + return result; +} + +/******************************************************************** +********************************************************************/ + +WERROR _svcctl_OpenSCManagerW(pipes_struct *p, + struct svcctl_OpenSCManagerW *r) +{ + SEC_DESC *sec_desc; + uint32 access_granted = 0; + NTSTATUS status; + + /* perform access checks */ + + if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) ) + return WERR_NOMEM; + + se_map_generic( &r->in.access_mask, &scm_generic_map ); + status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, r->in.access_mask, &access_granted ); + if ( !NT_STATUS_IS_OK(status) ) + return ntstatus_to_werror( status ); + + return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted ); +} + +/******************************************************************** + _svcctl_OpenServiceW +********************************************************************/ + +WERROR _svcctl_OpenServiceW(pipes_struct *p, + struct svcctl_OpenServiceW *r) +{ + SEC_DESC *sec_desc; + uint32 access_granted = 0; + NTSTATUS status; + const char *service = NULL; + + service = r->in.ServiceName; + if (!service) { + return WERR_NOMEM; + } + DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service)); + + /* based on my tests you can open a service if you have a valid scm handle */ + + if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) ) + return WERR_BADFID; + + /* perform access checks. Use the root token in order to ensure that we + retrieve the security descriptor */ + + if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) ) + return WERR_NOMEM; + + se_map_generic( &r->in.access_mask, &svc_generic_map ); + status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, r->in.access_mask, &access_granted ); + if ( !NT_STATUS_IS_OK(status) ) + return ntstatus_to_werror( status ); + + return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted ); +} + +/******************************************************************** +********************************************************************/ + +WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r) +{ + if ( !close_policy_hnd( p, r->in.handle ) ) + return WERR_BADFID; + + ZERO_STRUCTP(r->out.handle); + + return WERR_OK; +} + +/******************************************************************** + _svcctl_GetServiceDisplayNameW +********************************************************************/ + +WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p, + struct svcctl_GetServiceDisplayNameW *r) +{ + const char *service; + const char *display_name; + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle ); + + /* can only use an SCM handle here */ + + if ( !info || (info->type != SVC_HANDLE_IS_SCM) ) + return WERR_BADFID; + + service = r->in.service_name; + + display_name = svcctl_lookup_dispname(p->mem_ctx, service, p->pipe_user.nt_user_token ); + if (!display_name) { + display_name = ""; + } + + *r->out.display_name = display_name; + *r->out.display_name_length = strlen(display_name); + + return WERR_OK; +} + +/******************************************************************** + _svcctl_QueryServiceStatus +********************************************************************/ + +WERROR _svcctl_QueryServiceStatus(pipes_struct *p, + struct svcctl_QueryServiceStatus *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle ); + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) ) + return WERR_ACCESS_DENIED; + + /* try the service specific status call */ + + return info->ops->service_status( info->name, r->out.service_status ); +} + +/******************************************************************** +********************************************************************/ + +static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token ) +{ + int num_services = 0; + int i; + ENUM_SERVICES_STATUS *st; + const char *display_name; + + /* just count */ + while ( svcctl_ops[num_services].name ) + num_services++; + + if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) { + DEBUG(0,("enumerate_status: talloc() failed!\n")); + return -1; + } + + for ( i=0; i<num_services; i++ ) { + init_unistr( &st[i].servicename, svcctl_ops[i].name ); + + display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token ); + init_unistr( &st[i].displayname, display_name ? display_name : ""); + + svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status ); + } + + *status = st; + + return num_services; +} + +/******************************************************************** +********************************************************************/ + +WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u) +{ + ENUM_SERVICES_STATUS *services = NULL; + int num_services; + int i = 0; + size_t buffer_size = 0; + WERROR result = WERR_OK; + SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle ); + NT_USER_TOKEN *token = p->pipe_user.nt_user_token; + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SCM) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) { + return WERR_ACCESS_DENIED; + } + + num_services = enumerate_status( p->mem_ctx, &services, token ); + if (num_services == -1 ) { + return WERR_NOMEM; + } + + for ( i=0; i<num_services; i++ ) { + buffer_size += svcctl_sizeof_enum_services_status(&services[i]); + } + + buffer_size += buffer_size % 4; + + if (buffer_size > q_u->buffer_size ) { + num_services = 0; + result = WERR_MORE_DATA; + } + + rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx); + + if ( W_ERROR_IS_OK(result) ) { + for ( i=0; i<num_services; i++ ) + svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 ); + } + + r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size; + r_u->returned = (uint32)num_services; + + if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) ) + return WERR_NOMEM; + + *r_u->resume = 0x0; + + return result; +} + +/******************************************************************** + _svcctl_StartServiceW +********************************************************************/ + +WERROR _svcctl_StartServiceW(pipes_struct *p, + struct svcctl_StartServiceW *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle ); + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_SVC_START) ) + return WERR_ACCESS_DENIED; + + return info->ops->start_service( info->name ); +} + +/******************************************************************** + _svcctl_ControlService +********************************************************************/ + +WERROR _svcctl_ControlService(pipes_struct *p, + struct svcctl_ControlService *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle ); + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) ) + return WERR_BADFID; + + switch ( r->in.control ) { + case SVCCTL_CONTROL_STOP: + if ( !(info->access_granted & SC_RIGHT_SVC_STOP) ) + return WERR_ACCESS_DENIED; + + return info->ops->stop_service( info->name, + r->out.service_status ); + + case SVCCTL_CONTROL_INTERROGATE: + if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) ) + return WERR_ACCESS_DENIED; + + return info->ops->service_status( info->name, + r->out.service_status ); + } + + /* default control action */ + + return WERR_ACCESS_DENIED; +} + +/******************************************************************** + _svcctl_EnumDependentServicesW +********************************************************************/ + +WERROR _svcctl_EnumDependentServicesW(pipes_struct *p, + struct svcctl_EnumDependentServicesW *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service ); + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) ) + return WERR_ACCESS_DENIED; + + /* we have to set the outgoing buffer size to the same as the + incoming buffer size (even in the case of failure */ + /* this is done in the autogenerated server already - gd */ + + *r->out.bytes_needed = r->in.buf_size; + + /* no dependent services...basically a stub function */ + *r->out.services_returned = 0; + + return WERR_OK; +} + +/******************************************************************** +********************************************************************/ + +WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u ) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle ); + uint32 buffer_size; + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) ) + return WERR_ACCESS_DENIED; + + /* we have to set the outgoing buffer size to the same as the + incoming buffer size (even in the case of failure) */ + + rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx ); + r_u->needed = q_u->buffer_size; + + switch ( q_u->level ) { + case SVC_STATUS_PROCESS_INFO: + { + SERVICE_STATUS_PROCESS svc_stat_proc; + + /* Get the status of the service.. */ + info->ops->service_status( info->name, &svc_stat_proc.status ); + svc_stat_proc.process_id = sys_getpid(); + svc_stat_proc.service_flags = 0x0; + + svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 ); + buffer_size = sizeof(SERVICE_STATUS_PROCESS); + break; + } + + default: + return WERR_UNKNOWN_LEVEL; + } + + + buffer_size += buffer_size % 4; + r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size; + + if (buffer_size > q_u->buffer_size ) + return WERR_MORE_DATA; + + return WERR_OK; +} + +/******************************************************************** +********************************************************************/ + +static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name, SERVICE_CONFIG *config, NT_USER_TOKEN *token ) +{ + REGVAL_CTR *values; + REGISTRY_VALUE *val; + + /* retrieve the registry values for this service */ + + if ( !(values = svcctl_fetch_regvalues( name, token )) ) + return WERR_REG_CORRUPT; + + /* now fill in the individual values */ + + config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 ); + if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL ) + init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE ); + else + init_unistr2( config->displayname, name, UNI_STR_TERMINATE ); + + if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) { + config->startname = TALLOC_ZERO_P( ctx, UNISTR2 ); + init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE ); + } + + if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) { + config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 ); + init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE ); + } + + /* a few hard coded values */ + /* loadordergroup and dependencies are empty */ + + config->tag_id = 0x00000000; /* unassigned loadorder group */ + config->service_type = SVCCTL_WIN32_OWN_PROC; + config->error_control = SVCCTL_SVC_ERROR_NORMAL; + + /* set the start type. NetLogon and WINS are disabled to prevent + the client from showing the "Start" button (if of course the services + are not running */ + + if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) ) + config->start_type = SVCCTL_DISABLED; + else if ( strequal( name, "WINS" ) && ( !lp_wins_support() )) + config->start_type = SVCCTL_DISABLED; + else + config->start_type = SVCCTL_DEMAND_START; + + + TALLOC_FREE( values ); + + return WERR_OK; +} + +/******************************************************************** +********************************************************************/ + +WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u ) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle ); + uint32 buffer_size; + WERROR wresult; + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) ) + return WERR_ACCESS_DENIED; + + /* we have to set the outgoing buffer size to the same as the + incoming buffer size (even in the case of failure */ + + r_u->needed = q_u->buffer_size; + + wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token ); + if ( !W_ERROR_IS_OK(wresult) ) + return wresult; + + buffer_size = svcctl_sizeof_service_config( &r_u->config ); + r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size; + + if (buffer_size > q_u->buffer_size ) { + ZERO_STRUCTP( &r_u->config ); + return WERR_INSUFFICIENT_BUFFER; + } + + return WERR_OK; +} + +/******************************************************************** +********************************************************************/ + +WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u ) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle ); + uint32 buffer_size; + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) ) + return WERR_ACCESS_DENIED; + + /* we have to set the outgoing buffer size to the same as the + incoming buffer size (even in the case of failure */ + + rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx ); + r_u->needed = q_u->buffer_size; + + switch ( q_u->level ) { + case SERVICE_CONFIG_DESCRIPTION: + { + SERVICE_DESCRIPTION desc_buf; + const char *description; + + description = svcctl_lookup_description(p->mem_ctx, info->name, p->pipe_user.nt_user_token ); + + ZERO_STRUCTP( &desc_buf ); + + init_service_description_buffer( &desc_buf, description ? description : ""); + svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 ); + buffer_size = svcctl_sizeof_service_description( &desc_buf ); + + break; + } + break; + case SERVICE_CONFIG_FAILURE_ACTIONS: + { + SERVICE_FAILURE_ACTIONS actions; + + /* nothing to say...just service the request */ + + ZERO_STRUCTP( &actions ); + svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 ); + buffer_size = svcctl_sizeof_service_fa( &actions ); + + break; + } + break; + + default: + return WERR_UNKNOWN_LEVEL; + } + + buffer_size += buffer_size % 4; + r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size; + + if (buffer_size > q_u->buffer_size ) + return WERR_INSUFFICIENT_BUFFER; + + return WERR_OK; +} + +/******************************************************************** + _svcctl_LockServiceDatabase +********************************************************************/ + +WERROR _svcctl_LockServiceDatabase(pipes_struct *p, + struct svcctl_LockServiceDatabase *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle ); + + /* perform access checks */ + + if ( !info || (info->type != SVC_HANDLE_IS_SCM) ) + return WERR_BADFID; + + if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) ) + return WERR_ACCESS_DENIED; + + /* Just open a handle. Doesn't actually lock anything */ + + return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 ); +} + +/******************************************************************** + _svcctl_UnlockServiceDatabase +********************************************************************/ + +WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p, + struct svcctl_UnlockServiceDatabase *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock ); + + + if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) ) + return WERR_BADFID; + + return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID; +} + +/******************************************************************** + _svcctl_QueryServiceObjectSecurity +********************************************************************/ + +WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p, + struct svcctl_QueryServiceObjectSecurity *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle ); + SEC_DESC *sec_desc; + NTSTATUS status; + uint8_t *buffer = NULL; + size_t len = 0; + + + /* only support the SCM and individual services */ + + if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) ) + return WERR_BADFID; + + /* check access reights (according to MSDN) */ + + if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) ) + return WERR_ACCESS_DENIED; + + /* TODO: handle something besides DACL_SECURITY_INFORMATION */ + + if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION ) + return WERR_INVALID_PARAM; + + /* lookup the security descriptor and marshall it up for a reply */ + + if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) ) + return WERR_NOMEM; + + *r->out.needed = ndr_size_security_descriptor( sec_desc, 0 ); + + if ( *r->out.needed > r->in.buffer_size ) { + ZERO_STRUCTP( &r->out.buffer ); + return WERR_INSUFFICIENT_BUFFER; + } + + status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len); + if (!NT_STATUS_IS_OK(status)) { + return ntstatus_to_werror(status); + } + + *r->out.needed = len; + r->out.buffer = buffer; + + return WERR_OK; +} + +/******************************************************************** + _svcctl_SetServiceObjectSecurity +********************************************************************/ + +WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p, + struct svcctl_SetServiceObjectSecurity *r) +{ + SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle ); + SEC_DESC *sec_desc = NULL; + uint32 required_access; + NTSTATUS status; + + if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) ) + return WERR_BADFID; + + /* can't set the security de4scriptor on the ServiceControlManager */ + + if ( info->type == SVC_HANDLE_IS_SCM ) + return WERR_ACCESS_DENIED; + + /* check the access on the open handle */ + + switch ( r->in.security_flags ) { + case DACL_SECURITY_INFORMATION: + required_access = STD_RIGHT_WRITE_DAC_ACCESS; + break; + + case OWNER_SECURITY_INFORMATION: + case GROUP_SECURITY_INFORMATION: + required_access = STD_RIGHT_WRITE_OWNER_ACCESS; + break; + + case SACL_SECURITY_INFORMATION: + return WERR_INVALID_PARAM; + default: + return WERR_INVALID_PARAM; + } + + if ( !(info->access_granted & required_access) ) + return WERR_ACCESS_DENIED; + + /* read the security descfriptor */ + + status = unmarshall_sec_desc(p->mem_ctx, + r->in.buffer, r->in.buffer_size, + &sec_desc); + if (!NT_STATUS_IS_OK(status)) { + return ntstatus_to_werror(status); + } + + /* store the new SD */ + + if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) ) + return WERR_ACCESS_DENIED; + + return WERR_OK; +} + + +WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + +WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r) +{ + p->rng_fault_state = True; + return WERR_NOT_SUPPORTED; +} + |