r23579: Up to now, the "allparameters" argument to lp_next_parameter was
[ira/wip.git] / source3 / param / loadparm.c
index 3fa9e859e1b9bbf28cd7e08781a9b44873b749f7..a04c0f2fbd9065b06b7d400d9880191193e0e1c3 100644 (file)
@@ -72,6 +72,17 @@ extern userdom_struct current_user_info;
 #define HOMES_NAME "homes"
 #endif
 
+/* the special value for the include parameter
+ * to be interpreted not as a file name but to
+ * trigger loading of the global smb.conf options
+ * from registry. */
+#ifndef INCLUDE_REGISTRY_NAME
+#define INCLUDE_REGISTRY_NAME "registry"
+#endif
+
+static int regdb_last_seqnum = 0;
+static BOOL include_registry_globals = False;
+
 /* some helpful bits */
 #define LP_SNUM_OK(i) (((i) >= 0) && ((i) < iNumServices) && (ServicePtrs != NULL) && ServicePtrs[(i)]->valid)
 #define VALID(i) (ServicePtrs != NULL && ServicePtrs[i]->valid)
@@ -1644,6 +1655,7 @@ static void init_globals(BOOL first_time_only)
        Globals.bWinbindTrustedDomainsOnly = False;
        Globals.bWinbindNestedGroups = True;
        Globals.winbind_expand_groups = 1;      
+       Globals.szWinbindNssInfo = str_list_make("template", NULL);
        Globals.bWinbindRefreshTickets = False;
        Globals.bWinbindOfflineLogon = False;
 
@@ -1705,7 +1717,7 @@ TALLOC_CTX *tmp_talloc_ctx(void)
        }
 
        if (lp_talloc == NULL) {
-               smb_panic("Could not create temporary talloc context\n");
+               smb_panic("Could not create temporary talloc context");
        }
 
        return lp_talloc;
@@ -3036,6 +3048,247 @@ BOOL service_ok(int iService)
        return (bRetval);
 }
 
+/*
+ * lp_regdb_open - regdb helper function 
+ *
+ * this should be considered an interim solution that becomes
+ * superfluous once the registry code has been rewritten
+ * do allow use of the tdb portion of the registry alone.
+ *
+ * in the meanwhile this provides a lean access
+ * to the registry globals.
+ */
+
+static struct tdb_wrap *lp_regdb_open(void)
+{
+       struct tdb_wrap *reg_tdb = NULL;
+       const char *vstring = "INFO/version";
+       uint32 vers_id;
+
+       become_root();
+       reg_tdb = tdb_wrap_open(NULL, lock_path("registry.tdb"), 0, 
+                               REG_TDB_FLAGS, O_RDWR, 0600);
+       if (!reg_tdb) {
+               DEBUG(0, ("lp_regdb_open: failed to open %s: %s\n",
+                        lock_path("registry.tdb"), strerror(errno)));
+               goto done;
+       }
+       else {
+               DEBUG(10, ("lp_regdb_open: reg tdb opened.\n"));
+       }
+       unbecome_root();
+
+       vers_id = tdb_fetch_int32(reg_tdb->tdb, vstring);
+       if (vers_id != REGVER_V1) {
+               DEBUG(10, ("lp_regdb_open: INFO: registry tdb %s has wrong "
+                         "INFO/version (got %d, expected %d)\n",
+                         lock_path("registry.tdb"), vers_id, REGVER_V1));
+               /* this is apparently not implemented in the tdb */
+       }
+
+done:
+       return reg_tdb;
+}
+
+/*
+ * process_registry_globals
+ *
+ * this is the interim version of process_registry globals
+ *
+ * until we can do it as we would like using the api and only
+ * using the tdb portion of the registry (see below),
+ * this just provides the needed functionality of regdb_fetch_values
+ * and regdb_unpack_values, circumventing any fancy stuff, to
+ * give us access to the registry globals.
+ */
+static BOOL process_registry_globals(BOOL (*pfunc)(const char *, const char *))
+{
+       BOOL ret = False;
+       struct tdb_wrap *reg_tdb = NULL;
+       WERROR err;
+       char *keystr;
+       TDB_DATA data;
+       /* vars for the tdb unpack loop */
+       int len = 0;
+       int i;
+       int buflen;
+       uint8 *buf;
+       uint32 type;
+       uint32 size;
+       uint32 num_values = 0;
+       uint8 *data_p;
+       pstring valname;
+       char * valstr;
+       struct registry_value *value = NULL;
+
+       include_registry_globals = True;
+
+       ZERO_STRUCT(data);
+
+       reg_tdb = lp_regdb_open();
+       if (!reg_tdb) {
+               DEBUG(1, ("Error opening the registry!\n"));
+               goto done;
+       }
+
+       /* reg_tdb is from now on used as talloc ctx.
+        * freeing it closes the tdb (if refcount is 0) */
+
+       keystr = talloc_asprintf(reg_tdb,"%s/%s/%s", REG_VALUE_PREFIX, 
+                                KEY_SMBCONF, GLOBAL_NAME);
+       normalize_dbkey(keystr);
+
+       DEBUG(10, ("process_registry_globals: fetching key '%s'\n",
+                  keystr));
+
+       data = tdb_fetch_bystring(reg_tdb->tdb, keystr);
+       if (!data.dptr) {
+               ret = True;
+               goto done;
+       }
+
+       buf = data.dptr;
+       buflen = data.dsize;
+
+       /* unpack number of values */
+       len = tdb_unpack(buf, buflen, "d", &num_values);
+       DEBUG(10, ("process_registry_globals: got %d values from tdb\n",
+                  num_values));
+
+       /* unpack the values */
+       for (i=0; i < num_values; i++) {
+               type = REG_NONE;
+               size = 0;
+               data_p = NULL;
+               len += tdb_unpack(buf+len, buflen-len, "fdB",
+                                 valname,
+                                 &type,
+                                 &size,
+                                 &data_p);
+               if ((strwicmp(valname,"include") == 0) ||
+                   (strwicmp(valname, "lock directory") == 0) ||
+                   (strwicmp(valname, "lock dir") == 0)) 
+               {
+                       DEBUG(10, ("process_registry_globals: Ignoring "
+                                  "parameter '%s' in registry.\n", valname));
+                       continue;
+               }
+               DEBUG(10, ("process_registry_globals: got value '%s'\n",
+                          valname));
+               if (size && data_p) {
+                       err = registry_pull_value(reg_tdb, 
+                                                 &value,
+                                                 type,
+                                                 data_p,
+                                                 size,
+                                                 size);
+                       SAFE_FREE(data_p);
+                       if (!W_ERROR_IS_OK(err)) {
+                               goto done;
+                       }
+                       switch(type) {
+                       case REG_DWORD:
+                               valstr = talloc_asprintf(reg_tdb, "%d", 
+                                                        value->v.dword);
+                               pfunc(valname, valstr);
+                               break;
+                       case REG_SZ:
+                               pfunc(valname, value->v.sz.str);
+                               break;
+                       default:
+                               /* ignore other types */
+                               break;
+                       }
+               }
+       }
+
+       ret = pfunc("registry shares", "yes");
+       regdb_last_seqnum = tdb_get_seqnum(reg_tdb->tdb);
+
+done:
+       TALLOC_FREE(reg_tdb);
+       SAFE_FREE(data.dptr);
+       return ret;
+}
+
+#if 0
+/*
+ * this is process_registry_globals as it _should_ be (roughly)
+ * using the reg_api functions...
+ * 
+ */
+static BOOL process_registry_globals(BOOL (*pfunc)(const char *, const char *))
+{
+       BOOL ret = False;
+       TALLOC_CTX *ctx = NULL;
+       char *regpath = NULL;
+       WERROR werr = WERR_OK;
+       struct registry_key *key = NULL;
+       struct registry_value *value = NULL;
+       char *valname = NULL;
+       char *valstr = NULL;
+       uint32 idx = 0;
+       NT_USER_TOKEN *token;
+
+       ctx = talloc_init("process_registry_globals");
+       if (!ctx) {
+               smb_panic("Failed to create talloc context!");
+       }
+
+       include_registry_globals = True;
+
+       if (!registry_init_regdb()) {
+               DEBUG(1, ("Error initializing the registry.\n"));
+               goto done;
+       }
+
+       if (!(token = registry_create_admin_token(ctx))) {
+               DEBUG(1, ("Error creating admin token\n"));
+               goto done;
+       }
+
+       regpath = talloc_asprintf(ctx,"%s\\%s", KEY_SMBCONF, GLOBAL_NAME);
+       werr = reg_open_path(ctx, regpath, REG_KEY_READ, token, &key);
+       if (!W_ERROR_IS_OK(werr)) {
+               DEBUG(1, ("Registry smbconf global section does not exist.\n"));
+               DEBUGADD(1, ("Error opening registry path '%s\\%s: %s\n",
+                            KEY_SMBCONF, GLOBAL_NAME, dos_errstr(werr)));
+               goto done;
+       }
+
+       for (idx = 0;
+            W_ERROR_IS_OK(werr = reg_enumvalue(ctx, key, idx, &valname,
+                                               &value));
+            idx++)
+       {
+               DEBUG(5, ("got global registry parameter '%s'\n", valname));
+               switch(value->type) {
+               case REG_DWORD:
+                       valstr = talloc_asprintf(ctx, "%d", value->v.dword);
+                       pfunc(valname, valstr);
+                       TALLOC_FREE(valstr);
+                       break;
+               case REG_SZ:
+                       pfunc(valname, value->v.sz.str);
+                       break;
+               default:
+                       /* ignore other types */
+                       break;
+               }
+               TALLOC_FREE(value);
+               TALLOC_FREE(valstr);
+       }
+
+       ret = pfunc("registry shares", "yes");
+
+       regdb_last_seqnum = regdb_get_seqnum();
+
+done:
+       talloc_destroy(ctx);
+       return ret;
+}
+#endif /* if 0 */
+
 static struct file_lists {
        struct file_lists *next;
        char *name;
@@ -3089,9 +3342,21 @@ static void add_to_file_list(const char *fname, const char *subfname)
 BOOL lp_file_list_changed(void)
 {
        struct file_lists *f = file_lists;
+       struct tdb_wrap *reg_tdb = NULL;
 
        DEBUG(6, ("lp_file_list_changed()\n"));
 
+       if (include_registry_globals) {
+               reg_tdb = lp_regdb_open();
+               if (reg_tdb && (regdb_last_seqnum != tdb_get_seqnum(reg_tdb->tdb)))
+               {
+                       DEBUGADD(6, ("regdb seqnum changed: old = %d, new = %d\n",
+                                   regdb_last_seqnum, tdb_get_seqnum(reg_tdb->tdb)));
+                       TALLOC_FREE(reg_tdb);
+                       return True;
+               }
+       }
+
        while (f) {
                pstring n2;
                time_t mod_time;
@@ -3192,6 +3457,17 @@ static BOOL handle_include(int snum, const char *pszParmValue, char **ptr)
        pstring fname;
        pstrcpy(fname, pszParmValue);
 
+       if (strequal(fname, INCLUDE_REGISTRY_NAME)) {
+               if (bInGlobalSection) {
+                       return process_registry_globals(do_parameter);
+               }
+               else {
+                       DEBUG(1, ("\"include = registry\" only effective "
+                                 "in %s section\n", GLOBAL_NAME));
+                       return False;
+               }
+       }
+
        standard_sub_basic(get_current_username(), current_user_info.domain,
                           fname,sizeof(fname));
 
@@ -4032,6 +4308,9 @@ struct parm_struct *lp_next_parameter(int snum, int *i, int allparameters)
                            && (parm_table[*i].ptr ==
                                parm_table[(*i) - 1].ptr))
                                continue;
+                       
+                       if (is_default(*i) && !allparameters)
+                               continue;
 
                        return &parm_table[(*i)++];
                }