s4 - SID allocation using FDS DNA plugin
[samba.git] / source4 / param / loadparm.c
index 1ab842c8f897688e3079e19ae3dd7b57aebc1a27..f2e4ace122c2cc9fe0693e94bb95872bdeb169ab 100644 (file)
@@ -79,6 +79,7 @@ static bool defaults_saved = false;
 struct loadparm_global
 {
        enum server_role server_role;
+       enum sid_generator sid_generator;
 
        const char **smb_ports;
        char *ncalrpc_dir;
@@ -103,6 +104,8 @@ struct loadparm_global
        const char **szPasswordServers;
        char *szSocketOptions;
        char *szRealm;
+       char *szRealm_upper;
+       char *szRealm_lower;
        const char **szWINSservers;
        const char **szInterfaces;
        char *szSocketAddress;
@@ -182,7 +185,7 @@ struct loadparm_global
        int bDisableNetbios;
        int bRpcBigEndian;
        char *szNTPSignDSocketDirectory;
-       struct param_opt *param_opt;
+       struct parmlist_entry *param_opt;
 };
 
 
@@ -222,7 +225,7 @@ struct loadparm_service
        int bMSDfsRoot;
        int bStrictSync;
        int bCIFileSystem;
-       struct param_opt *param_opt;
+       struct parmlist_entry *param_opt;
 
        char dummy[3];          /* for alignment */
 };
@@ -234,6 +237,8 @@ struct loadparm_service
 /* prototypes for the special type handlers */
 static bool handle_include(struct loadparm_context *lp_ctx,
                           const char *pszParmValue, char **ptr);
+static bool handle_realm(struct loadparm_context *lp_ctx,
+                        const char *pszParmValue, char **ptr);
 static bool handle_copy(struct loadparm_context *lp_ctx,
                        const char *pszParmValue, char **ptr);
 static bool handle_debuglevel(struct loadparm_context *lp_ctx,
@@ -324,12 +329,18 @@ static const struct enum_list enum_server_role[] = {
        {-1, NULL}
 };
 
+static const struct enum_list enum_sid_generator[] = {
+       {SID_GENERATOR_INTERNAL, "internal"},
+       {SID_GENERATOR_BACKEND, "backend"},
+       {-1, NULL}
+};
 
 #define GLOBAL_VAR(name) offsetof(struct loadparm_global, name)
 #define LOCAL_VAR(name) offsetof(struct loadparm_service, name)
 
 static struct parm_struct parm_table[] = {
        {"server role", P_ENUM, P_GLOBAL, GLOBAL_VAR(server_role), NULL, enum_server_role},
+       {"sid generator", P_ENUM, P_GLOBAL, GLOBAL_VAR(sid_generator), NULL, enum_sid_generator},
 
        {"dos charset", P_STRING, P_GLOBAL, GLOBAL_VAR(dos_charset), NULL, NULL},
        {"unix charset", P_STRING, P_GLOBAL, GLOBAL_VAR(unix_charset), NULL, NULL},
@@ -339,7 +350,7 @@ static struct parm_struct parm_table[] = {
        {"path", P_STRING, P_LOCAL, LOCAL_VAR(szPath), NULL, NULL},
        {"directory", P_STRING, P_LOCAL, LOCAL_VAR(szPath), NULL, NULL},
        {"workgroup", P_USTRING, P_GLOBAL, GLOBAL_VAR(szWorkgroup), NULL, NULL},
-       {"realm", P_STRING, P_GLOBAL, GLOBAL_VAR(szRealm), NULL, NULL},
+       {"realm", P_STRING, P_GLOBAL, GLOBAL_VAR(szRealm), handle_realm, NULL},
        {"netbios name", P_USTRING, P_GLOBAL, GLOBAL_VAR(szNetbiosName), NULL, NULL},
        {"netbios aliases", P_LIST, P_GLOBAL, GLOBAL_VAR(szNetbiosAliases), NULL, NULL},
        {"netbios scope", P_USTRING, P_GLOBAL, GLOBAL_VAR(szNetbiosScope), NULL, NULL},
@@ -608,6 +619,7 @@ static const char *lp_string(const char *s)
  int fn_name(struct loadparm_service *service, struct loadparm_service *sDefault) {return((service != NULL)? service->val : sDefault->val);}
 
 _PUBLIC_ FN_GLOBAL_INTEGER(lp_server_role, server_role)
+_PUBLIC_ FN_GLOBAL_INTEGER(lp_sid_generator, sid_generator)
 _PUBLIC_ FN_GLOBAL_LIST(lp_smb_ports, smb_ports)
 _PUBLIC_ FN_GLOBAL_INTEGER(lp_nbt_port, nbt_port)
 _PUBLIC_ FN_GLOBAL_INTEGER(lp_dgram_port, dgram_port)
@@ -648,7 +660,8 @@ _PUBLIC_ FN_GLOBAL_STRING(lp_auto_services, szAutoServices)
 _PUBLIC_ FN_GLOBAL_STRING(lp_passwd_chat, szPasswdChat)
 _PUBLIC_ FN_GLOBAL_LIST(lp_passwordserver, szPasswordServers)
 _PUBLIC_ FN_GLOBAL_LIST(lp_name_resolve_order, szNameResolveOrder)
-_PUBLIC_ FN_GLOBAL_STRING(lp_realm, szRealm)
+_PUBLIC_ FN_GLOBAL_STRING(lp_realm, szRealm_upper)
+_PUBLIC_ FN_GLOBAL_STRING(lp_dnsdomain, szRealm_lower)
 _PUBLIC_ FN_GLOBAL_STRING(lp_socket_options, socket_options)
 _PUBLIC_ FN_GLOBAL_STRING(lp_workgroup, szWorkgroup)
 _PUBLIC_ FN_GLOBAL_STRING(lp_netbios_name, szNetbiosName)
@@ -657,7 +670,6 @@ _PUBLIC_ FN_GLOBAL_LIST(lp_wins_server_list, szWINSservers)
 _PUBLIC_ FN_GLOBAL_LIST(lp_interfaces, szInterfaces)
 _PUBLIC_ FN_GLOBAL_STRING(lp_socket_address, szSocketAddress)
 _PUBLIC_ FN_GLOBAL_LIST(lp_netbios_aliases, szNetbiosAliases)
-
 _PUBLIC_ FN_GLOBAL_BOOL(lp_disable_netbios, bDisableNetbios)
 _PUBLIC_ FN_GLOBAL_BOOL(lp_wins_support, bWINSsupport)
 _PUBLIC_ FN_GLOBAL_BOOL(lp_wins_dns_proxy, bWINSdnsProxy)
@@ -695,6 +707,7 @@ _PUBLIC_ FN_GLOBAL_INTEGER(lp_cli_minprotocol, cli_minprotocol)
 _PUBLIC_ FN_GLOBAL_INTEGER(lp_security, security)
 _PUBLIC_ FN_GLOBAL_BOOL(lp_paranoid_server_security, paranoid_server_security)
 _PUBLIC_ FN_GLOBAL_INTEGER(lp_announce_as, announce_as)
+
 const char *lp_servicename(const struct loadparm_service *service)
 {
        return lp_string((const char *)service->szService);
@@ -749,7 +762,7 @@ const char *lp_get_parametric(struct loadparm_context *lp_ctx,
                              const char *type, const char *option)
 {
        char *vfskey;
-        struct param_opt *data;
+        struct parmlist_entry *data;
 
        if (lp_ctx == NULL)
                return NULL;
@@ -1020,7 +1033,7 @@ struct loadparm_service *lp_add_service(struct loadparm_context *lp_ctx,
        int i;
        struct loadparm_service tservice;
        int num_to_alloc = lp_ctx->iNumServices + 1;
-       struct param_opt *data, *pdata;
+       struct parmlist_entry *data, *pdata;
 
        tservice = *pservice;
 
@@ -1221,9 +1234,9 @@ void *lp_parm_ptr(struct loadparm_context *lp_ctx,
                  struct loadparm_service *service, struct parm_struct *parm)
 {
        if (service == NULL) {
-               if (parm->class == P_LOCAL)
+               if (parm->pclass == P_LOCAL)
                        return ((char *)lp_ctx->sDefault)+parm->offset;
-               else if (parm->class == P_GLOBAL)
+               else if (parm->pclass == P_GLOBAL)
                        return ((char *)lp_ctx->globals)+parm->offset;
                else return NULL;
        } else {
@@ -1260,11 +1273,11 @@ static void copy_service(struct loadparm_service *pserviceDest,
 {
        int i;
        bool bcopyall = (pcopymapDest == NULL);
-       struct param_opt *data, *pdata, *paramo;
+       struct parmlist_entry *data, *pdata, *paramo;
        bool not_added;
 
        for (i = 0; parm_table[i].label; i++)
-               if (parm_table[i].offset != -1 && parm_table[i].class == P_LOCAL &&
+               if (parm_table[i].offset != -1 && parm_table[i].pclass == P_LOCAL &&
                    (bcopyall || pcopymapDest[i])) {
                        void *src_ptr =
                                ((char *)pserviceSource) + parm_table[i].offset;
@@ -1328,7 +1341,7 @@ static void copy_service(struct loadparm_service *pserviceDest,
                        pdata = pdata->next;
                }
                if (not_added) {
-                       paramo = talloc(pserviceDest, struct param_opt);
+                       paramo = talloc(pserviceDest, struct parmlist_entry);
                        if (paramo == NULL)
                                smb_panic("OOM");
                        paramo->key = talloc_reference(paramo, data->key);
@@ -1447,6 +1460,21 @@ bool lp_file_list_changed(struct loadparm_context *lp_ctx)
        return false;
 }
 
+/***************************************************************************
+ Handle the "realm" parameter
+***************************************************************************/
+
+static bool handle_realm(struct loadparm_context *lp_ctx,
+                        const char *pszParmValue, char **ptr)
+{
+       string_set(lp_ctx, ptr, pszParmValue);
+
+       lp_ctx->globals->szRealm_upper = strupper_talloc(lp_ctx, pszParmValue);
+       lp_ctx->globals->szRealm_lower = strlower_talloc(lp_ctx, pszParmValue);
+
+       return true;
+}
+
 /***************************************************************************
  Handle the include operation.
 ***************************************************************************/
@@ -1544,7 +1572,7 @@ static bool lp_do_parameter_parametric(struct loadparm_context *lp_ctx,
                                       const char *pszParmName,
                                       const char *pszParmValue, int flags)
 {
-       struct param_opt *paramo, *data;
+       struct parmlist_entry *paramo, *data;
        char *name;
        TALLOC_CTX *mem_ctx;
 
@@ -1583,7 +1611,7 @@ static bool lp_do_parameter_parametric(struct loadparm_context *lp_ctx,
                }
        }
 
-       paramo = talloc(mem_ctx, struct param_opt);
+       paramo = talloc(mem_ctx, struct parmlist_entry);
        if (!paramo)
                smb_panic("OOM");
        paramo->key = talloc_strdup(paramo, name);
@@ -1743,7 +1771,7 @@ bool lp_do_service_parameter(struct loadparm_context *lp_ctx,
                return true;
        }
 
-       if (parm_table[parmnum].class == P_GLOBAL) {
+       if (parm_table[parmnum].pclass == P_GLOBAL) {
                DEBUG(0,
                      ("Global parameter %s found in service section!\n",
                       pszParmName));
@@ -1758,7 +1786,7 @@ bool lp_do_service_parameter(struct loadparm_context *lp_ctx,
         * entries with the same data pointer */
        for (i = 0; parm_table[i].label; i++)
                if (parm_table[i].offset == parm_table[parmnum].offset &&
-                   parm_table[i].class == parm_table[parmnum].class)
+                   parm_table[i].pclass == parm_table[parmnum].pclass)
                        service->copymap[i] = false;
 
        return set_variable(service, parmnum, parm_ptr, pszParmName,
@@ -2048,12 +2076,12 @@ static void dump_globals(struct loadparm_context *lp_ctx, FILE *f,
                         bool show_defaults)
 {
        int i;
-       struct param_opt *data;
+       struct parmlist_entry *data;
 
        fprintf(f, "# Global parameters\n[global]\n");
 
        for (i = 0; parm_table[i].label; i++)
-               if (parm_table[i].class == P_GLOBAL &&
+               if (parm_table[i].pclass == P_GLOBAL &&
                    parm_table[i].offset != -1 &&
                    (i == 0 || (parm_table[i].offset != parm_table[i - 1].offset))) {
                        if (!show_defaults && (lp_ctx->flags[i] & FLAG_DEFAULT)) 
@@ -2078,16 +2106,17 @@ static void dump_globals(struct loadparm_context *lp_ctx, FILE *f,
 static void dump_a_service(struct loadparm_service * pService, struct loadparm_service *sDefault, FILE * f)
 {
        int i;
-       struct param_opt *data;
+       struct parmlist_entry *data;
 
        if (pService != sDefault)
                fprintf(f, "\n[%s]\n", pService->szService);
 
-       for (i = 0; parm_table[i].label; i++)
-               if (parm_table[i].class == P_LOCAL &&
+       for (i = 0; parm_table[i].label; i++) {
+               if (parm_table[i].pclass == P_LOCAL &&
                    parm_table[i].offset != -1 &&
                    (*parm_table[i].label != '-') &&
-                   (i == 0 || (parm_table[i].offset != parm_table[i - 1].offset))) {
+                   (i == 0 || (parm_table[i].offset != parm_table[i - 1].offset)))
+               {
                        if (pService == sDefault) {
                                if (defaults_saved && is_default(sDefault, i))
                                        continue;
@@ -2104,6 +2133,7 @@ static void dump_a_service(struct loadparm_service * pService, struct loadparm_s
                        print_parameter(&parm_table[i],
                                        ((char *)pService) + parm_table[i].offset, f);
                        fprintf(f, "\n");
+               }
        }
        if (pService->param_opt != NULL) {
                for (data = pService->param_opt; data; data = data->next) {
@@ -2132,7 +2162,8 @@ bool lp_dump_a_parameter(struct loadparm_context *lp_ctx,
 }
 
 /**
- * Return info about the next service  in a service. snum==-1 gives the globals.
+ * Return info about the next parameter in a service.
+ * snum==-1 gives the globals.
  * Return NULL when out of parameters.
  */
 
@@ -2157,7 +2188,7 @@ struct parm_struct *lp_next_parameter(struct loadparm_context *lp_ctx, int snum,
                struct loadparm_service *pService = lp_ctx->services[snum];
 
                for (; parm_table[*i].label; (*i)++) {
-                       if (parm_table[*i].class == P_LOCAL &&
+                       if (parm_table[*i].pclass == P_LOCAL &&
                            parm_table[*i].offset != -1 &&
                            (*parm_table[*i].label != '-') &&
                            ((*i) == 0 ||
@@ -2214,10 +2245,10 @@ void lp_killunused(struct loadparm_context *lp_ctx,
 
 static int lp_destructor(struct loadparm_context *lp_ctx)
 {
-       struct param_opt *data;
+       struct parmlist_entry *data;
 
        if (lp_ctx->globals->param_opt != NULL) {
-               struct param_opt *next;
+               struct parmlist_entry *next;
                for (data = lp_ctx->globals->param_opt; data; data=next) {
                        next = data->next;
                        if (data->priority & FLAG_CMDLINE) continue;
@@ -2267,7 +2298,7 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx)
                    parm_table[i].offset != -1 &&
                    !(lp_ctx->flags[i] & FLAG_CMDLINE)) {
                        char **r;
-                       if (parm_table[i].class == P_LOCAL) {
+                       if (parm_table[i].pclass == P_LOCAL) {
                                r = (char **)(((char *)lp_ctx->sDefault) + parm_table[i].offset);
                        } else {
                                r = (char **)(((char *)lp_ctx->globals) + parm_table[i].offset);
@@ -2286,9 +2317,9 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx)
        lp_do_global_parameter(lp_ctx, "socket options", "TCP_NODELAY");
 #endif
        lp_do_global_parameter(lp_ctx, "workgroup", DEFAULT_WORKGROUP);
-       myname = get_myname();
+       myname = get_myname(lp_ctx);
        lp_do_global_parameter(lp_ctx, "netbios name", myname);
-       SAFE_FREE(myname);
+       talloc_free(myname);
        lp_do_global_parameter(lp_ctx, "name resolve order", "wins host bcast");
 
        lp_do_global_parameter(lp_ctx, "fstype", "NTFS");
@@ -2296,8 +2327,8 @@ struct loadparm_context *loadparm_init(TALLOC_CTX *mem_ctx)
        lp_do_global_parameter(lp_ctx, "ntvfs handler", "unixuid default");
        lp_do_global_parameter(lp_ctx, "max connections", "-1");
 
-       lp_do_global_parameter(lp_ctx, "dcerpc endpoint servers", "epmapper srvsvc wkssvc rpcecho samr netlogon lsarpc spoolss drsuapi winreg dssetup unixinfo");
-       lp_do_global_parameter(lp_ctx, "server services", "smb rpc nbt wrepl ldap cldap kdc drepl winbind ntp_signd");
+       lp_do_global_parameter(lp_ctx, "dcerpc endpoint servers", "epmapper srvsvc wkssvc rpcecho samr netlogon lsarpc spoolss drsuapi winreg dssetup unixinfo browser");
+       lp_do_global_parameter(lp_ctx, "server services", "smb rpc nbt wrepl ldap cldap kdc drepl winbind ntp_signd kcc");
        lp_do_global_parameter(lp_ctx, "ntptr providor", "simple_ldb");
        lp_do_global_parameter(lp_ctx, "auth methods:domain controller", "anonymous sam_ignoredomain");
        lp_do_global_parameter(lp_ctx, "auth methods:member server", "anonymous sam winbind");
@@ -2427,44 +2458,20 @@ const char *lp_configfile(struct loadparm_context *lp_ctx)
        return lp_ctx->szConfigFile;
 }
 
-bool lp_load_default(struct loadparm_context *lp_ctx)
+const char *lp_default_path(void)
 {
     if (getenv("SMB_CONF_PATH"))
-        return lp_load(lp_ctx, getenv("SMB_CONF_PATH"));
+        return getenv("SMB_CONF_PATH");
     else
-        return lp_load(lp_ctx, dyn_CONFIGFILE);
+        return dyn_CONFIGFILE;
 }
 
 /**
- * Load the services array from the services file.
- *
- * Return True on success, False on failure.
+ * Update the internal state of a loadparm context after settings 
+ * have changed.
  */
-bool lp_load(struct loadparm_context *lp_ctx, const char *filename)
+static bool lp_update(struct loadparm_context *lp_ctx)
 {
-       char *n2;
-       bool bRetval;
-
-       filename = talloc_strdup(lp_ctx, filename);
-
-       lp_ctx->szConfigFile = filename;
-
-       lp_ctx->bInGlobalSection = true;
-       n2 = standard_sub_basic(lp_ctx, lp_ctx->szConfigFile);
-       DEBUG(2, ("lp_load: refreshing parameters from %s\n", n2));
-
-       add_to_file_list(lp_ctx, lp_ctx->szConfigFile, n2);
-
-       /* We get sections first, so have to start 'behind' to make up */
-       lp_ctx->currentService = NULL;
-       bRetval = pm_process(n2, do_section, do_parameter, lp_ctx);
-
-       /* finish up the last section */
-       DEBUG(4, ("pm_process() returned %s\n", BOOLSTR(bRetval)));
-       if (bRetval)
-               if (lp_ctx->currentService != NULL)
-                       bRetval = service_ok(lp_ctx->currentService);
-
        lp_add_auto_services(lp_ctx, lp_auto_services(lp_ctx));
 
        lp_add_hidden(lp_ctx, "IPC$", "IPC");
@@ -2494,6 +2501,56 @@ bool lp_load(struct loadparm_context *lp_ctx, const char *filename)
        else
                d_set_iconv((smb_iconv_t)-1);
 
+       return true;
+}
+
+bool lp_load_default(struct loadparm_context *lp_ctx)
+{
+    const char *path;
+
+    path = lp_default_path();
+
+    if (!file_exist(path)) {
+           /* We allow the default smb.conf file to not exist, 
+            * basically the equivalent of an empty file. */
+           return lp_update(lp_ctx);
+    }
+
+    return lp_load(lp_ctx, path);
+}
+
+/**
+ * Load the services array from the services file.
+ *
+ * Return True on success, False on failure.
+ */
+bool lp_load(struct loadparm_context *lp_ctx, const char *filename)
+{
+       char *n2;
+       bool bRetval;
+
+       filename = talloc_strdup(lp_ctx, filename);
+
+       lp_ctx->szConfigFile = filename;
+
+       lp_ctx->bInGlobalSection = true;
+       n2 = standard_sub_basic(lp_ctx, lp_ctx->szConfigFile);
+       DEBUG(2, ("lp_load: refreshing parameters from %s\n", n2));
+
+       add_to_file_list(lp_ctx, lp_ctx->szConfigFile, n2);
+
+       /* We get sections first, so have to start 'behind' to make up */
+       lp_ctx->currentService = NULL;
+       bRetval = pm_process(n2, do_section, do_parameter, lp_ctx);
+
+       /* finish up the last section */
+       DEBUG(4, ("pm_process() returned %s\n", BOOLSTR(bRetval)));
+       if (bRetval)
+               if (lp_ctx->currentService != NULL)
+                       bRetval = service_ok(lp_ctx->currentService);
+
+       bRetval = bRetval && lp_update(lp_ctx);
+
        return bRetval;
 }
 
@@ -2560,8 +2617,11 @@ struct loadparm_service *lp_service(struct loadparm_context *lp_ctx,
                        serviceName = standard_sub_basic(
                                        lp_ctx->services[iService],
                                        lp_ctx->services[iService]->szService);
-                       if (strequal(serviceName, service_name))
+                       if (strequal(serviceName, service_name)) {
+                               talloc_free(serviceName);
                                return lp_ctx->services[iService];
+                       }
+                       talloc_free(serviceName);
                }
        }
 
@@ -2621,7 +2681,7 @@ struct smb_iconv_convenience *lp_iconv_convenience(struct loadparm_context *lp_c
 
 _PUBLIC_ void reload_charcnv(struct loadparm_context *lp_ctx)
 {
-       talloc_free(lp_ctx->iconv_convenience);
+       talloc_unlink(lp_ctx, lp_ctx->iconv_convenience);
        global_iconv_convenience = lp_ctx->iconv_convenience = smb_iconv_convenience_init_lp(lp_ctx, lp_ctx);
 }
 
@@ -2687,7 +2747,7 @@ _PUBLIC_ struct dcerpc_server_info *lp_dcerpc_server_info(TALLOC_CTX *mem_ctx, s
 
 struct gensec_settings *lp_gensec_settings(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx)
 {
-       struct gensec_settings *settings = talloc(NULL, struct gensec_settings);
+       struct gensec_settings *settings = talloc(mem_ctx, struct gensec_settings);
        if (settings == NULL)
                return NULL;
        SMB_ASSERT(lp_ctx != NULL);
@@ -2696,3 +2756,4 @@ struct gensec_settings *lp_gensec_settings(TALLOC_CTX *mem_ctx, struct loadparm_
        settings->target_hostname = lp_parm_string(lp_ctx, NULL, "gensec", "target_hostname");
        return settings;
 }
+