diff options
Diffstat (limited to 'source3/services/services_db.c')
| -rw-r--r-- | source3/services/services_db.c | 726 |
1 files changed, 0 insertions, 726 deletions
diff --git a/source3/services/services_db.c b/source3/services/services_db.c deleted file mode 100644 index 03f7951b7c..0000000000 --- a/source3/services/services_db.c +++ /dev/null @@ -1,726 +0,0 @@ -/* - * Unix SMB/CIFS implementation. - * Service Control API Implementation - * - * Copyright (C) Marcin Krzysztof Porwit 2005. - * Largely Rewritten 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" -#include "services/services.h" -#include "registry.h" -#include "registry/reg_api.h" -#include "registry/reg_api_util.h" -#include "../libcli/security/security.h" - -struct rcinit_file_information { - char *description; -}; - -struct service_display_info { - const char *servicename; - const char *daemon; - const char *dispname; - const char *description; -}; - -struct service_display_info builtin_svcs[] = { - { "Spooler", "smbd", "Print Spooler", "Internal service for spooling files to print devices" }, - { "NETLOGON", "smbd", "Net Logon", "File service providing access to policy and profile data (not remotely manageable)" }, - { "RemoteRegistry", "smbd", "Remote Registry Service", "Internal service providing remote access to " - "the Samba registry" }, - { "WINS", "nmbd", "Windows Internet Name Service (WINS)", "Internal service providing a " - "NetBIOS point-to-point name server (not remotely manageable)" }, - { NULL, NULL, NULL, NULL } -}; - -struct service_display_info common_unix_svcs[] = { - { "cups", NULL, "Common Unix Printing System","Provides unified printing support for all operating systems" }, - { "postfix", NULL, "Internet Mail Service", "Provides support for sending and receiving electonic mail" }, - { "sendmail", NULL, "Internet Mail Service", "Provides support for sending and receiving electonic mail" }, - { "portmap", NULL, "TCP Port to RPC PortMapper",NULL }, - { "xinetd", NULL, "Internet Meta-Daemon", NULL }, - { "inet", NULL, "Internet Meta-Daemon", NULL }, - { "xntpd", NULL, "Network Time Service", NULL }, - { "ntpd", NULL, "Network Time Service", NULL }, - { "lpd", NULL, "BSD Print Spooler", NULL }, - { "nfsserver", NULL, "Network File Service", NULL }, - { "cron", NULL, "Scheduling Service", NULL }, - { "at", NULL, "Scheduling Service", NULL }, - { "nscd", NULL, "Name Service Cache Daemon", NULL }, - { "slapd", NULL, "LDAP Directory Service", NULL }, - { "ldap", NULL, "LDAP DIrectory Service", NULL }, - { "ypbind", NULL, "NIS Directory Service", NULL }, - { "courier-imap", NULL, "IMAP4 Mail Service", NULL }, - { "courier-pop3", NULL, "POP3 Mail Service", NULL }, - { "named", NULL, "Domain Name Service", NULL }, - { "bind", NULL, "Domain Name Service", NULL }, - { "httpd", NULL, "HTTP Server", NULL }, - { "apache", NULL, "HTTP Server", "Provides s highly scalable and flexible web server " - "capable of implementing various protocols incluing " - "but not limited to HTTP" }, - { "autofs", NULL, "Automounter", NULL }, - { "squid", NULL, "Web Cache Proxy ", NULL }, - { "perfcountd", NULL, "Performance Monitoring Daemon", NULL }, - { "pgsql", NULL, "PgSQL Database Server", "Provides service for SQL database from Postgresql.org" }, - { "arpwatch", NULL, "ARP Tables watcher", "Provides service for monitoring ARP tables for changes" }, - { "dhcpd", NULL, "DHCP Server", "Provides service for dynamic host configuration and IP assignment" }, - { "nwserv", NULL, "NetWare Server Emulator", "Provides service for emulating Novell NetWare 3.12 server" }, - { "proftpd", NULL, "Professional FTP Server", "Provides high configurable service for FTP connection and " - "file transferring" }, - { "ssh2", NULL, "SSH Secure Shell", "Provides service for secure connection for remote administration" }, - { "sshd", NULL, "SSH Secure Shell", "Provides service for secure connection for remote administration" }, - { NULL, NULL, NULL, NULL } -}; - -static WERROR svcctl_set_secdesc_internal(struct registry_key *key, - struct security_descriptor *sec_desc); - -/******************************************************************** -********************************************************************/ - -static struct security_descriptor* construct_service_sd( TALLOC_CTX *ctx ) -{ - struct security_ace ace[4]; - size_t i = 0; - struct security_descriptor *sd = NULL; - struct security_acl *theacl = NULL; - size_t sd_size; - - /* basic access for Everyone */ - - init_sec_ace(&ace[i++], &global_sid_World, - SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_READ_ACCESS, 0); - - init_sec_ace(&ace[i++], &global_sid_Builtin_Power_Users, - SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_EXECUTE_ACCESS, 0); - - init_sec_ace(&ace[i++], &global_sid_Builtin_Server_Operators, - SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0); - init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, - SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0); - - /* create the security descriptor */ - - theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace); - if (theacl == NULL) { - return NULL; - } - - sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1, - SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, - theacl, &sd_size); - if (sd == NULL) { - return NULL; - } - - return sd; -} - -/******************************************************************** - This is where we do the dirty work of filling in things like the - Display name, Description, etc... -********************************************************************/ - -static char *get_common_service_dispname(TALLOC_CTX *mem_ctx, - const char *servicename) -{ - int i; - - for ( i=0; common_unix_svcs[i].servicename; i++ ) { - if (strequal(servicename, common_unix_svcs[i].servicename)) { - char *dispname; - dispname = talloc_asprintf(mem_ctx, "%s (%s)", - common_unix_svcs[i].dispname, - common_unix_svcs[i].servicename); - if (dispname == NULL) { - return NULL; - } - return dispname; - } - } - - return talloc_strdup(mem_ctx, servicename); -} - -/******************************************************************** -********************************************************************/ - -static char *cleanup_string( const char *string ) -{ - char *clean = NULL; - char *begin, *end; - TALLOC_CTX *ctx = talloc_tos(); - - clean = talloc_strdup(ctx, string); - if (!clean) { - return NULL; - } - begin = clean; - - /* trim any beginning whilespace */ - - while (isspace(*begin)) { - begin++; - } - - if (*begin == '\0') { - return NULL; - } - - /* trim any trailing whitespace or carriage returns. - Start at the end and move backwards */ - - end = begin + strlen(begin) - 1; - - while ( isspace(*end) || *end=='\n' || *end=='\r' ) { - *end = '\0'; - end--; - } - - return begin; -} - -/******************************************************************** -********************************************************************/ - -static bool read_init_file( const char *servicename, struct rcinit_file_information **service_info ) -{ - struct rcinit_file_information *info = NULL; - char *filepath = NULL; - char str[1024]; - XFILE *f = NULL; - char *p = NULL; - - info = TALLOC_ZERO_P( NULL, struct rcinit_file_information ); - if (info == NULL) { - return False; - } - - /* attempt the file open */ - - filepath = talloc_asprintf(info, "%s/%s/%s", get_dyn_MODULESDIR(), - SVCCTL_SCRIPT_DIR, servicename); - if (!filepath) { - TALLOC_FREE(info); - return false; - } - f = x_fopen( filepath, O_RDONLY, 0 ); - if (f == NULL) { - DEBUG(0,("read_init_file: failed to open [%s]\n", filepath)); - TALLOC_FREE(info); - return false; - } - - while ( (x_fgets( str, sizeof(str)-1, f )) != NULL ) { - /* ignore everything that is not a full line - comment starting with a '#' */ - - if ( str[0] != '#' ) - continue; - - /* Look for a line like '^#.*Description:' */ - - p = strstr( str, "Description:" ); - if (p != NULL) { - char *desc; - - p += strlen( "Description:" ) + 1; - if ( !p ) - break; - - desc = cleanup_string(p); - if (desc != NULL) - info->description = talloc_strdup( info, desc ); - } - } - - x_fclose( f ); - - if ( !info->description ) - info->description = talloc_strdup( info, "External Unix Service" ); - - *service_info = info; - TALLOC_FREE(filepath); - - return True; -} - -/******************************************************************** - This is where we do the dirty work of filling in things like the - Display name, Description, etc... -********************************************************************/ - -static WERROR svcctl_setvalue(struct registry_key *key, - const char *name, - struct registry_value *value) -{ - WERROR wresult; - struct registry_value *existing; - - wresult = reg_queryvalue(talloc_tos(), key, name, &existing); - if (W_ERROR_IS_OK(wresult)) { - bool exists; - - exists = ((value->type == existing->type) && - (data_blob_cmp(&value->data, &existing->data) == 0)); - - TALLOC_FREE(existing); - - if (exists) { - /* - * Avoid an expensive write when not necessary - */ - return WERR_OK; - } - } - - wresult = reg_setvalue(key, name, value); - if (!W_ERROR_IS_OK(wresult)) { - DEBUG(0, ("reg_setvalue failed for %s in key %s: %s\n", - name, key->key->name, win_errstr(wresult))); - } - - return wresult; -} - -static WERROR svcctl_setvalue_dword(struct registry_key *key, - const char *name, - uint32_t dword) -{ - struct registry_value value; - - value.type = REG_DWORD; - value.data.length = sizeof(uint32_t); - value.data.data = (uint8_t *)&dword; - - return svcctl_setvalue(key, name, &value); -} - -static WERROR svcctl_setvalue_sz(struct registry_key *key, - const char *name, - const char *sz) -{ - struct registry_value value; - WERROR wresult; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - - if (!push_reg_sz(mem_ctx, &value.data, sz)) { - DEBUG(0, ("push_reg_sz failed\n")); - wresult = WERR_NOMEM; - goto done; - } - value.type = REG_SZ; - - wresult = svcctl_setvalue(key, name, &value); -done: - talloc_free(mem_ctx); - return wresult; -} - -static void fill_service_values(struct registry_key *key) -{ - char *dname, *ipath, *description; - int i; - WERROR wresult; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - char *name = NULL; - - name = strrchr(key->key->name, '\\'); - if (name == NULL) { - name = key->key->name; - } else { - name++; - } - - /* These values are hardcoded in all QueryServiceConfig() replies. - I'm just storing them here for cosmetic purposes */ - - wresult = svcctl_setvalue_dword(key, "Start", SVCCTL_AUTO_START); - if (!W_ERROR_IS_OK(wresult)) { - goto done; - } - - wresult = svcctl_setvalue_dword(key, "Type", SERVICE_TYPE_WIN32_OWN_PROCESS); - if (!W_ERROR_IS_OK(wresult)) { - goto done; - } - - wresult = svcctl_setvalue_dword(key, "ErrorControl", SVCCTL_SVC_ERROR_NORMAL); - if (!W_ERROR_IS_OK(wresult)) { - goto done; - } - - /* everything runs as LocalSystem */ - - wresult = svcctl_setvalue_sz(key, "ObjectName", "LocalSystem"); - if (!W_ERROR_IS_OK(wresult)) { - goto done; - } - - /* special considerations for internal services and the DisplayName value */ - - for ( i=0; builtin_svcs[i].servicename; i++ ) { - if ( strequal( name, builtin_svcs[i].servicename ) ) { - ipath = talloc_asprintf(mem_ctx, "%s/%s/%s", - get_dyn_MODULESDIR(), - SVCCTL_SCRIPT_DIR, - builtin_svcs[i].daemon); - description = talloc_strdup(mem_ctx, builtin_svcs[i].description); - dname = talloc_strdup(mem_ctx, builtin_svcs[i].dispname); - break; - } - } - - /* default to an external service if we haven't found a match */ - - if ( builtin_svcs[i].servicename == NULL ) { - char *dispname = NULL; - struct rcinit_file_information *init_info = NULL; - - ipath = talloc_asprintf(mem_ctx, "%s/%s/%s", - get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR, - name); - - /* lookup common unix display names */ - dispname = get_common_service_dispname(mem_ctx, name); - dname = talloc_strdup(mem_ctx, dispname ? dispname : ""); - - /* get info from init file itself */ - if ( read_init_file( name, &init_info ) ) { - description = talloc_strdup(mem_ctx, init_info->description); - TALLOC_FREE( init_info ); - } - else { - description = talloc_strdup(mem_ctx, "External Unix Service"); - } - } - - /* add the new values */ - - wresult = svcctl_setvalue_sz(key, "DisplayName", dname); - if (!W_ERROR_IS_OK(wresult)) { - goto done; - } - - wresult = svcctl_setvalue_sz(key, "ImagePath", ipath); - if (!W_ERROR_IS_OK(wresult)) { - goto done; - } - - wresult = svcctl_setvalue_sz(key, "Description", description); - -done: - talloc_free(mem_ctx); - return; -} - -/******************************************************************** -********************************************************************/ - -static void add_new_svc_name(struct registry_key *key_parent, - const char *name) -{ - struct registry_key *key_service = NULL, *key_secdesc = NULL; - WERROR wresult; - struct security_descriptor *sd = NULL; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - enum winreg_CreateAction action = REG_ACTION_NONE; - - wresult = reg_createkey(mem_ctx, key_parent, name, REG_KEY_ALL, - &key_service, &action); - - if (!W_ERROR_IS_OK(wresult)) { - DEBUG(0, ("add_new_svc_name: reg_createkey failed for %s\\%s: " - "%s\n", key_parent->key->name, name, - win_errstr(wresult))); - goto done; - } - - /* now for the service values */ - - fill_service_values(key_service); - - /* now add the security descriptor */ - - sd = construct_service_sd(key_secdesc); - if (sd == NULL) { - DEBUG(0, ("add_new_svc_name: Failed to create default " - "sec_desc!\n")); - goto done; - } - - wresult = svcctl_set_secdesc_internal(key_service, sd); - -done: - talloc_free(mem_ctx); - return; -} - -/******************************************************************** -********************************************************************/ - -void svcctl_init_keys( void ) -{ - const char **service_list = lp_svcctl_list(); - int i; - struct registry_key *key = NULL; - struct registry_key *subkey = NULL; - WERROR wresult; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - - /* bad mojo here if the lookup failed. Should not happen */ - - wresult = reg_open_path(mem_ctx, KEY_SERVICES, REG_KEY_ALL, get_root_nt_token(), &key); - - if ( !W_ERROR_IS_OK(wresult) ) { - DEBUG(0,("svcctl_init_keys: key lookup failed! (%s)\n", - win_errstr(wresult))); - goto done; - } - - /* the builtin services exist */ - - for ( i=0; builtin_svcs[i].servicename; i++ ) - add_new_svc_name(key, builtin_svcs[i].servicename); - - for ( i=0; service_list && service_list[i]; i++ ) { - - /* only add new services */ - - wresult = reg_openkey(mem_ctx, key, service_list[i], REG_KEY_ALL, &subkey); - if (W_ERROR_IS_OK(wresult)) { - continue; - } - - /* Add the new service key and initialize the appropriate values */ - - add_new_svc_name(key, service_list[i]); - } - - /* initialize the control hooks */ - - init_service_op_table(); - -done: - talloc_free(mem_ctx); - return; -} - -/******************************************************************** - This is where we do the dirty work of filling in things like the - Display name, Description, etc...Always return a default secdesc - in case of any failure. -********************************************************************/ - -struct security_descriptor *svcctl_get_secdesc( TALLOC_CTX *ctx, const char *name, struct security_token *token ) -{ - struct registry_key *key = NULL; - struct registry_value *value; - struct security_descriptor *ret_sd = NULL; - char *path= NULL; - WERROR wresult; - NTSTATUS status; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - - path = talloc_asprintf(mem_ctx, "%s\\%s\\%s", KEY_SERVICES, name, - "Security"); - if (path == NULL) { - goto done; - } - - wresult = reg_open_path(mem_ctx, path, REG_KEY_ALL, token, &key); - if ( !W_ERROR_IS_OK(wresult) ) { - DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n", - path, win_errstr(wresult))); - goto done; - } - - wresult = reg_queryvalue(mem_ctx, key, "Security", &value); - if (W_ERROR_EQUAL(wresult, WERR_BADFILE)) { - goto fallback_to_default_sd; - } else if (!W_ERROR_IS_OK(wresult)) { - DEBUG(0, ("svcctl_get_secdesc: error getting value 'Security': " - "%s\n", win_errstr(wresult))); - goto done; - } - - status = unmarshall_sec_desc(ctx, value->data.data, - value->data.length, &ret_sd); - - if (NT_STATUS_IS_OK(status)) { - goto done; - } - -fallback_to_default_sd: - DEBUG(6, ("svcctl_get_secdesc: constructing default secdesc for " - "service [%s]\n", name)); - ret_sd = construct_service_sd(ctx); - -done: - talloc_free(mem_ctx); - return ret_sd; -} - -/******************************************************************** - Wrapper to make storing a Service sd easier -********************************************************************/ - -static WERROR svcctl_set_secdesc_internal(struct registry_key *key, - struct security_descriptor *sec_desc) -{ - struct registry_key *key_security = NULL; - WERROR wresult; - struct registry_value value; - NTSTATUS status; - enum winreg_CreateAction action = REG_ACTION_NONE; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - - wresult = reg_createkey(mem_ctx, key, "Security", REG_KEY_ALL, &key_security, &action); - if (!W_ERROR_IS_OK(wresult)) { - DEBUG(0, ("svcctl_set_secdesc: reg_createkey failed: " - "[%s\\Security] (%s)\n", key->key->name, - win_errstr(wresult))); - goto done; - } - - status = marshall_sec_desc(mem_ctx, sec_desc, &value.data.data, - &value.data.length); - if (!NT_STATUS_IS_OK(status)) { - DEBUG(0, ("svcctl_set_secdesc: marshall_sec_desc() failed: %s\n", - nt_errstr(status))); - wresult = ntstatus_to_werror(status); - goto done; - } - - value.type = REG_BINARY; - - wresult = reg_setvalue(key_security, "Security", &value); - if (!W_ERROR_IS_OK(wresult)) { - DEBUG(0, ("svcctl_set_secdesc: reg_setvalue failed: %s\n", - win_errstr(wresult))); - } - -done: - talloc_free(mem_ctx); - return wresult; -} - -bool svcctl_set_secdesc(const char *name, struct security_descriptor *sec_desc, - struct security_token *token) -{ - struct registry_key *key = NULL; - WERROR wresult; - char *path = NULL; - bool ret = false; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - - path = talloc_asprintf(mem_ctx, "%s\\%s", KEY_SERVICES, name); - if (path == NULL) { - goto done; - } - - wresult = reg_open_path(mem_ctx, path, REG_KEY_ALL, token, &key); - if ( !W_ERROR_IS_OK(wresult) ) { - DEBUG(0, ("svcctl_set_secdesc: key lookup failed! [%s] (%s)\n", - path, win_errstr(wresult))); - goto done; - } - - wresult = svcctl_set_secdesc_internal(key, sec_desc); - - ret = W_ERROR_IS_OK(wresult); - -done: - talloc_free(mem_ctx); - return ret; -} - -const char *svcctl_get_string_value(TALLOC_CTX *ctx, const char *key_name, - const char *value_name, - struct security_token *token) -{ - const char *result = NULL; - struct registry_key *key = NULL; - struct registry_value *value = NULL; - char *path = NULL; - WERROR wresult; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - - path = talloc_asprintf(mem_ctx, "%s\\%s", KEY_SERVICES, key_name); - if (path == NULL) { - goto done; - } - - wresult = reg_open_path(mem_ctx, path, REG_KEY_READ, token, &key); - if (!W_ERROR_IS_OK(wresult)) { - DEBUG(0, ("svcctl_get_string_value: key lookup failed! " - "[%s] (%s)\n", path, win_errstr(wresult))); - goto done; - } - - wresult = reg_queryvalue(mem_ctx, key, value_name, &value); - if (!W_ERROR_IS_OK(wresult)) { - DEBUG(0, ("svcctl_get_string_value: error getting value " - "'%s': %s\n", value_name, win_errstr(wresult))); - goto done; - } - - if (value->type != REG_SZ) { - goto done; - } - - pull_reg_sz(ctx, &value->data, &result); - - goto done; - -done: - talloc_free(mem_ctx); - return result; -} - -/******************************************************************** -********************************************************************/ - -const char *svcctl_lookup_dispname(TALLOC_CTX *ctx, const char *name, struct security_token *token ) -{ - const char *display_name = NULL; - - display_name = svcctl_get_string_value(ctx, name, "DisplayName", token); - - if (display_name == NULL) { - display_name = talloc_strdup(ctx, name); - } - - return display_name; -} - -/******************************************************************** -********************************************************************/ - -const char *svcctl_lookup_description(TALLOC_CTX *ctx, const char *name, struct security_token *token ) -{ - const char *description = NULL; - - description = svcctl_get_string_value(ctx, name, "Description", token); - - if (description == NULL) { - description = talloc_strdup(ctx, "Unix Service"); - } - - return description; -} |