Rename libnet_smbconf_get_config() to libnet_conf_get_config().
[ira/wip.git] / source3 / libnet / libnet_conf.c
index 1069abcfbdff8e5e9aa2615d825ddcc751bfaeef..ec055439d7607cf8eb5428051e7d5e8c890fbfd9 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *  Unix SMB/CIFS implementation.
  *  libnet smbconf registry Support
- *  Copyright (C) Michael Adam 2007
+ *  Copyright (C) Michael Adam 2007-2008
  *  Copyright (C) Guenther Deschner 2007
  *
  *  This program is free software; you can redistribute it and/or modify
 /**
  * add a string to a talloced array of strings.
  */
-static WERROR libnet_smbconf_add_string_to_array(TALLOC_CTX *mem_ctx,
-                                               char ***array,
-                                               uint32_t count,
-                                               const char *string)
+static WERROR libnet_conf_add_string_to_array(TALLOC_CTX *mem_ctx,
+                                             char ***array,
+                                             uint32_t count,
+                                             const char *string)
 {
-       WERROR werr = WERR_OK;
        char **new_array = NULL;
 
        if ((array == NULL) || (string == NULL)) {
@@ -55,31 +54,39 @@ static WERROR libnet_smbconf_add_string_to_array(TALLOC_CTX *mem_ctx,
        return WERR_OK;
 }
 
-/*
- * Open a subkey of KEY_SMBCONF (i.e a service)
+/**
+ * Open a registry key specified by "path"
  */
-static WERROR libnet_smbconf_reg_open_path(TALLOC_CTX *ctx,
-                                          const char *subkeyname,
-                                          uint32 desired_access,
-                                          struct registry_key **key)
+static WERROR libnet_conf_reg_open_path(TALLOC_CTX *mem_ctx,
+                                       const char *path,
+                                       uint32 desired_access,
+                                       struct registry_key **key)
 {
        WERROR werr = WERR_OK;
-       char *path = NULL;
        NT_USER_TOKEN *token;
+       TALLOC_CTX *tmp_ctx = NULL;
 
-       if (!(token = registry_create_admin_token(ctx))) {
-               DEBUG(1, ("Error creating admin token\n"));
+       if (path == NULL) {
+               DEBUG(1, ("Error: NULL path string given\n"));
+               werr = WERR_INVALID_PARAM;
                goto done;
        }
 
-       if (subkeyname == NULL) {
-               path = talloc_strdup(ctx, KEY_SMBCONF);
-       } else {
-               path = talloc_asprintf(ctx, "%s\\%s", KEY_SMBCONF, subkeyname);
+       tmp_ctx = talloc_new(mem_ctx);
+       if (tmp_ctx == NULL) {
+               werr = WERR_NOMEM;
+               goto done;
+       }
+
+       token = registry_create_admin_token(tmp_ctx);
+       if (token == NULL) {
+               DEBUG(1, ("Error creating admin token\n"));
+               /* what is the appropriate error code here? */
+               werr = WERR_CAN_NOT_COMPLETE;
+               goto done;
        }
 
-       werr = reg_open_path(ctx, path, desired_access,
-                            token, key);
+       werr = reg_open_path(mem_ctx, path, desired_access, token, key);
 
        if (!W_ERROR_IS_OK(werr)) {
                DEBUG(1, ("Error opening registry path '%s': %s\n",
@@ -87,42 +94,48 @@ static WERROR libnet_smbconf_reg_open_path(TALLOC_CTX *ctx,
        }
 
 done:
-       TALLOC_FREE(path);
+       TALLOC_FREE(tmp_ctx);
        return werr;
 }
 
-/*
- * open the base key KEY_SMBCONF
+/**
+ * Open a subkey of KEY_SMBCONF (i.e a service)
  */
-static WERROR libnet_smbconf_reg_open_basepath(TALLOC_CTX *ctx,
+static WERROR libnet_conf_reg_open_service_key(TALLOC_CTX *ctx,
+                                              const char *servicename,
                                               uint32 desired_access,
                                               struct registry_key **key)
 {
-       return libnet_smbconf_reg_open_path(ctx, NULL, desired_access, key);
+       WERROR werr = WERR_OK;
+       char *path = NULL;
+
+       if (servicename == NULL) {
+               DEBUG(3, ("Error: NULL servicename given.\n"));
+               werr = WERR_INVALID_PARAM;
+               goto done;
+       }
+
+       path = talloc_asprintf(ctx, "%s\\%s", KEY_SMBCONF, servicename);
+
+       werr = libnet_conf_reg_open_path(ctx, path, desired_access, key);
+
+done:
+       TALLOC_FREE(path);
+       return werr;
 }
 
 /*
- * check if a subkey of KEY_SMBCONF of a given name exists
+ * open the base key KEY_SMBCONF
  */
-bool libnet_smbconf_key_exists(const char *subkeyname)
+static WERROR libnet_conf_reg_open_base_key(TALLOC_CTX *ctx,
+                                           uint32 desired_access,
+                                           struct registry_key **key)
 {
-       bool ret = false;
-       WERROR werr = WERR_OK;
-       TALLOC_CTX *mem_ctx = talloc_stackframe();
-       struct registry_key *key = NULL;
-
-       werr = libnet_smbconf_reg_open_path(mem_ctx, subkeyname, REG_KEY_READ,
-                                           &key);
-       if (W_ERROR_IS_OK(werr)) {
-               ret = true;
-       }
-
-       TALLOC_FREE(mem_ctx);
-       return ret;
+       return libnet_conf_reg_open_path(ctx, KEY_SMBCONF, desired_access, key);
 }
 
-static bool libnet_smbconf_value_exists(struct registry_key *key,
-                                       const char *param)
+static bool libnet_conf_value_exists(struct registry_key *key,
+                                    const char *param)
 {
        bool ret = false;
        WERROR werr = WERR_OK;
@@ -141,9 +154,9 @@ static bool libnet_smbconf_value_exists(struct registry_key *key,
 /*
  * create a subkey of KEY_SMBCONF
  */
-WERROR libnet_smbconf_reg_createkey_internal(TALLOC_CTX *ctx,
-                                            const char * subkeyname,
-                                            struct registry_key **newkey)
+static WERROR libnet_conf_reg_create_service_key(TALLOC_CTX *ctx,
+                                                const char * subkeyname,
+                                                struct registry_key **newkey)
 {
        WERROR werr = WERR_OK;
        struct registry_key *create_parent = NULL;
@@ -158,8 +171,8 @@ WERROR libnet_smbconf_reg_createkey_internal(TALLOC_CTX *ctx,
                goto done;
        }
 
-       werr = libnet_smbconf_reg_open_basepath(create_ctx, REG_KEY_WRITE,
-                                               &create_parent);
+       werr = libnet_conf_reg_open_base_key(create_ctx, REG_KEY_WRITE,
+                                            &create_parent);
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
        }
@@ -167,12 +180,12 @@ WERROR libnet_smbconf_reg_createkey_internal(TALLOC_CTX *ctx,
        werr = reg_createkey(ctx, create_parent, subkeyname,
                             REG_KEY_WRITE, newkey, &action);
        if (W_ERROR_IS_OK(werr) && (action != REG_CREATED_NEW_KEY)) {
-               d_fprintf(stderr, "Key '%s' already exists.\n", subkeyname);
+               DEBUG(10, ("Key '%s' already exists.\n", subkeyname));
                werr = WERR_ALREADY_EXISTS;
        }
        if (!W_ERROR_IS_OK(werr)) {
-               d_fprintf(stderr, "Error creating key %s: %s\n",
-                        subkeyname, dos_errstr(werr));
+               DEBUG(5, ("Error creating key %s: %s\n",
+                        subkeyname, dos_errstr(werr)));
        }
 
 done:
@@ -183,9 +196,9 @@ done:
 /*
  * add a value to a key.
  */
-WERROR libnet_smbconf_reg_setvalue_internal(struct registry_key *key,
-                                                  const char *valname,
-                                                  const char *valstr)
+static WERROR libnet_conf_reg_set_value(struct registry_key *key,
+                                       const char *valname,
+                                       const char *valstr)
 {
        struct registry_value val;
        WERROR werr = WERR_OK;
@@ -198,11 +211,11 @@ WERROR libnet_smbconf_reg_setvalue_internal(struct registry_key *key,
                                                  &canon_valstr))
        {
                if (canon_valname == NULL) {
-                       d_fprintf(stderr, "invalid parameter '%s' given\n",
-                                 valname);
+                       DEBUG(5, ("invalid parameter '%s' given\n",
+                                 valname));
                } else {
-                       d_fprintf(stderr, "invalid value '%s' given for "
-                                 "parameter '%s'\n", valstr, valname);
+                       DEBUG(5, ("invalid value '%s' given for "
+                                 "parameter '%s'\n", valstr, valname));
                }
                werr = WERR_INVALID_PARAM;
                goto done;
@@ -215,16 +228,16 @@ WERROR libnet_smbconf_reg_setvalue_internal(struct registry_key *key,
        val.v.sz.len = strlen(canon_valstr) + 1;
 
        if (registry_smbconf_valname_forbidden(canon_valname)) {
-               d_fprintf(stderr, "Parameter '%s' not allowed in registry.\n",
-                         canon_valname);
+               DEBUG(5, ("Parameter '%s' not allowed in registry.\n",
+                         canon_valname));
                werr = WERR_INVALID_PARAM;
                goto done;
        }
 
        subkeyname = strrchr_m(key->key->name, '\\');
        if ((subkeyname == NULL) || (*(subkeyname +1) == '\0')) {
-               d_fprintf(stderr, "Invalid registry key '%s' given as "
-                         "smbconf section.\n", key->key->name);
+               DEBUG(5, ("Invalid registry key '%s' given as "
+                         "smbconf section.\n", key->key->name));
                werr = WERR_INVALID_PARAM;
                goto done;
        }
@@ -232,19 +245,18 @@ WERROR libnet_smbconf_reg_setvalue_internal(struct registry_key *key,
        if (!strequal(subkeyname, GLOBAL_NAME) &&
            lp_parameter_is_global(valname))
        {
-               d_fprintf(stderr, "Global paramter '%s' not allowed in "
+               DEBUG(5, ("Global paramter '%s' not allowed in "
                          "service definition ('%s').\n", canon_valname,
-                         subkeyname);
+                         subkeyname));
                werr = WERR_INVALID_PARAM;
                goto done;
        }
 
        werr = reg_setvalue(key, canon_valname, &val);
        if (!W_ERROR_IS_OK(werr)) {
-               d_fprintf(stderr,
-                         "Error adding value '%s' to "
+               DEBUG(5, ("Error adding value '%s' to "
                          "key '%s': %s\n",
-                         canon_valname, key->key->name, dos_errstr(werr));
+                         canon_valname, key->key->name, dos_errstr(werr)));
        }
 
 done:
@@ -258,8 +270,8 @@ done:
  * which are ar stored as REG_SZ values, so the incomplete
  * handling should be ok.
  */
-static char *libnet_smbconf_format_registry_value(TALLOC_CTX *mem_ctx,
-                                                 struct registry_value *value)
+static char *libnet_conf_format_registry_value(TALLOC_CTX *mem_ctx,
+                                              struct registry_value *value)
 {
        char *result = NULL;
 
@@ -299,11 +311,11 @@ static char *libnet_smbconf_format_registry_value(TALLOC_CTX *mem_ctx,
  * Get the values of a key as a list of value names
  * and a list of value strings (ordered)
  */
-static WERROR libnet_smbconf_reg_get_values(TALLOC_CTX *mem_ctx,
-                                           struct registry_key *key,
-                                           uint32_t *num_values,
-                                           char ***value_names,
-                                           char ***value_strings)
+static WERROR libnet_conf_reg_get_values(TALLOC_CTX *mem_ctx,
+                                        struct registry_key *key,
+                                        uint32_t *num_values,
+                                        char ***value_names,
+                                        char ***value_strings)
 {
        TALLOC_CTX *tmp_ctx = NULL;
        WERROR werr = WERR_OK;
@@ -333,19 +345,19 @@ static WERROR libnet_smbconf_reg_get_values(TALLOC_CTX *mem_ctx,
        {
                char *valstring;
 
-               werr = libnet_smbconf_add_string_to_array(tmp_ctx,
-                                                         &tmp_valnames,
-                                                         count, valname);
+               werr = libnet_conf_add_string_to_array(tmp_ctx,
+                                                      &tmp_valnames,
+                                                      count, valname);
                if (!W_ERROR_IS_OK(werr)) {
                        goto done;
                }
 
-               valstring = libnet_smbconf_format_registry_value(tmp_ctx,
-                                                                valvalue);
-               werr = libnet_smbconf_add_string_to_array(tmp_ctx,
-                                                         &tmp_valstrings,
-                                                         count,
-                                                         valstring);
+               valstring = libnet_conf_format_registry_value(tmp_ctx,
+                                                             valvalue);
+               werr = libnet_conf_add_string_to_array(tmp_ctx,
+                                                      &tmp_valstrings,
+                                                      count,
+                                                      valstring);
                if (!W_ERROR_IS_OK(werr)) {
                        goto done;
                }
@@ -379,22 +391,15 @@ done:
 /**
  * Drop the whole configuration (restarting empty).
  */
-WERROR libnet_smbconf_drop(void)
+WERROR libnet_conf_drop(void)
 {
        char *path, *p;
        WERROR werr = WERR_OK;
-       NT_USER_TOKEN *token;
        struct registry_key *parent_key = NULL;
        struct registry_key *new_key = NULL;
        TALLOC_CTX* mem_ctx = talloc_stackframe();
        enum winreg_CreateAction action;
 
-       if (!(token = registry_create_admin_token(mem_ctx))) {
-               /* what is the appropriate error code here? */
-               werr = WERR_CAN_NOT_COMPLETE;
-               goto done;
-       }
-
        path = talloc_strdup(mem_ctx, KEY_SMBCONF);
        if (path == NULL) {
                werr = WERR_NOMEM;
@@ -402,7 +407,8 @@ WERROR libnet_smbconf_drop(void)
        }
        p = strrchr(path, '\\');
        *p = '\0';
-       werr = reg_open_path(mem_ctx, path, REG_KEY_WRITE, token, &parent_key);
+       werr = libnet_conf_reg_open_path(mem_ctx, path, REG_KEY_WRITE,
+                                        &parent_key);
 
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
@@ -431,9 +437,9 @@ done:
  *  param_names  : list of lists of parameter names for each share
  *  param_values : list of lists of parameter values for each share
  */
-WERROR libnet_smbconf_get_config(TALLOC_CTX *mem_ctx, uint32_t *num_shares,
-                                char ***share_names, uint32_t **num_params,
-                                char ****param_names, char ****param_values)
+WERROR libnet_conf_get_config(TALLOC_CTX *mem_ctx, uint32_t *num_shares,
+                             char ***share_names, uint32_t **num_params,
+                             char ****param_names, char ****param_values)
 {
        WERROR werr = WERR_OK;
        TALLOC_CTX *tmp_ctx = NULL;
@@ -532,19 +538,18 @@ WERROR libnet_smbconf_get_share_names(TALLOC_CTX *mem_ctx, uint32_t *num_shares,
        }
 
        /* make sure "global" is always listed first */
-       if (libnet_smbconf_key_exists(GLOBAL_NAME)) {
-               werr = libnet_smbconf_add_string_to_array(tmp_ctx,
-                                                         &tmp_share_names,
-                                                         0, GLOBAL_NAME);
+       if (libnet_smbconf_share_exists(GLOBAL_NAME)) {
+               werr = libnet_conf_add_string_to_array(tmp_ctx,
+                                                      &tmp_share_names,
+                                                      0, GLOBAL_NAME);
                if (!W_ERROR_IS_OK(werr)) {
                        goto done;
                }
                added_count++;
        }
 
-       werr = libnet_smbconf_reg_open_basepath(tmp_ctx,
-                                               SEC_RIGHTS_ENUM_SUBKEYS,
-                                               &key);
+       werr = libnet_conf_reg_open_base_key(tmp_ctx, SEC_RIGHTS_ENUM_SUBKEYS,
+                                            &key);
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
        }
@@ -558,10 +563,10 @@ WERROR libnet_smbconf_get_share_names(TALLOC_CTX *mem_ctx, uint32_t *num_shares,
                        continue;
                }
 
-               werr = libnet_smbconf_add_string_to_array(tmp_ctx,
-                                                         &tmp_share_names,
-                                                         added_count,
-                                                         subkey_name);
+               werr = libnet_conf_add_string_to_array(tmp_ctx,
+                                                      &tmp_share_names,
+                                                      added_count,
+                                                      subkey_name);
                if (!W_ERROR_IS_OK(werr)) {
                        goto done;
                }
@@ -584,6 +589,47 @@ done:
        return werr;
 }
 
+/**
+ * check if a share/service of a given name exists
+ */
+bool libnet_smbconf_share_exists(const char *servicename)
+{
+       bool ret = false;
+       WERROR werr = WERR_OK;
+       TALLOC_CTX *mem_ctx = talloc_stackframe();
+       struct registry_key *key = NULL;
+
+       werr = libnet_conf_reg_open_service_key(mem_ctx, servicename,
+                                               REG_KEY_READ, &key);
+       if (W_ERROR_IS_OK(werr)) {
+               ret = true;
+       }
+
+       TALLOC_FREE(mem_ctx);
+       return ret;
+}
+
+/**
+ * Add a service if it does not already exist.
+ */
+WERROR libnet_smbconf_create_share(const char *servicename)
+{
+       WERROR werr;
+       TALLOC_CTX *mem_ctx = talloc_stackframe();
+       struct registry_key *key = NULL;
+
+       if (libnet_smbconf_share_exists(servicename)) {
+               werr = WERR_ALREADY_EXISTS;
+               goto done;
+       }
+
+       werr = libnet_conf_reg_create_service_key(mem_ctx, servicename, &key);
+
+done:
+       TALLOC_FREE(mem_ctx);
+       return werr;
+}
+
 /**
  * get a definition of a share (service) from configuration.
  */
@@ -594,14 +640,14 @@ WERROR libnet_smbconf_getshare(TALLOC_CTX *mem_ctx, const char *servicename,
        WERROR werr = WERR_OK;
        struct registry_key *key = NULL;
 
-       werr = libnet_smbconf_reg_open_path(mem_ctx, servicename, REG_KEY_READ,
-                                           &key);
+       werr = libnet_conf_reg_open_service_key(mem_ctx, servicename,
+                                               REG_KEY_READ, &key);
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
        }
 
-       werr = libnet_smbconf_reg_get_values(mem_ctx, key, num_params,
-                                            param_names, param_values);
+       werr = libnet_conf_reg_get_values(mem_ctx, key, num_params,
+                                         param_names, param_values);
 
 done:
        TALLOC_FREE(key);
@@ -617,7 +663,7 @@ WERROR libnet_smbconf_delshare(const char *servicename)
        struct registry_key *key = NULL;
        TALLOC_CTX *ctx = talloc_stackframe();
 
-       werr = libnet_smbconf_reg_open_basepath(ctx, REG_KEY_WRITE, &key);
+       werr = libnet_conf_reg_open_base_key(ctx, REG_KEY_WRITE, &key);
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
        }
@@ -640,18 +686,18 @@ WERROR libnet_smbconf_setparm(const char *service,
        struct registry_key *key = NULL;
        TALLOC_CTX *mem_ctx = talloc_stackframe();
 
-       if (!libnet_smbconf_key_exists(service)) {
-               werr = libnet_smbconf_reg_createkey_internal(mem_ctx, service,
-                                                            &key);
-       } else {
-               werr = libnet_smbconf_reg_open_path(mem_ctx, service,
-                                                   REG_KEY_WRITE, &key);
+       if (!libnet_smbconf_share_exists(service)) {
+               werr = WERR_NO_SUCH_SERVICE;
+               goto done;
        }
+
+       werr = libnet_conf_reg_open_service_key(mem_ctx, service, REG_KEY_WRITE,
+                                               &key);
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
        }
 
-       werr = libnet_smbconf_reg_setvalue_internal(key, param, valstr);
+       werr = libnet_conf_reg_set_value(key, param, valstr);
 
 done:
        TALLOC_FREE(mem_ctx);
@@ -675,18 +721,18 @@ WERROR libnet_smbconf_getparm(TALLOC_CTX *mem_ctx,
                goto done;
        }
 
-       if (!libnet_smbconf_key_exists(service)) {
+       if (!libnet_smbconf_share_exists(service)) {
                werr = WERR_NO_SUCH_SERVICE;
                goto done;
        }
 
-       werr = libnet_smbconf_reg_open_path(mem_ctx, service, REG_KEY_READ,
-                                           &key);
+       werr = libnet_conf_reg_open_service_key(mem_ctx, service, REG_KEY_READ,
+                                               &key);
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
        }
 
-       if (!libnet_smbconf_value_exists(key, param)) {
+       if (!libnet_conf_value_exists(key, param)) {
                werr = WERR_INVALID_PARAM;
                goto done;
        }
@@ -696,7 +742,7 @@ WERROR libnet_smbconf_getparm(TALLOC_CTX *mem_ctx,
                goto done;
        }
 
-       *valstr = libnet_smbconf_format_registry_value(mem_ctx, value);
+       *valstr = libnet_conf_format_registry_value(mem_ctx, value);
 
        if (*valstr == NULL) {
                werr = WERR_NOMEM;
@@ -718,16 +764,17 @@ WERROR libnet_smbconf_delparm(const char *service,
        WERROR werr = WERR_OK;
        TALLOC_CTX *mem_ctx = talloc_stackframe();
 
-       if (!libnet_smbconf_key_exists(service)) {
+       if (!libnet_smbconf_share_exists(service)) {
                return WERR_NO_SUCH_SERVICE;
        }
 
-       werr = libnet_smbconf_reg_open_path(mem_ctx, service, REG_KEY_ALL, &key);
+       werr = libnet_conf_reg_open_service_key(mem_ctx, service, REG_KEY_ALL,
+                                               &key);
        if (!W_ERROR_IS_OK(werr)) {
                goto done;
        }
 
-       if (!libnet_smbconf_value_exists(key, param)) {
+       if (!libnet_conf_value_exists(key, param)) {
                werr = WERR_INVALID_PARAM;
                goto done;
        }