diff options
| -rw-r--r-- | source3/lib/smbconf/smbconf.c | 555 |
1 files changed, 326 insertions, 229 deletions
diff --git a/source3/lib/smbconf/smbconf.c b/source3/lib/smbconf/smbconf.c index dd044eef81..b47ce198e7 100644 --- a/source3/lib/smbconf/smbconf.c +++ b/source3/lib/smbconf/smbconf.c @@ -418,6 +418,21 @@ static int smbconf_destroy_ctx(struct smbconf_ctx *ctx) return regdb_close(); } +static WERROR smbconf_global_check(struct smbconf_ctx *ctx) +{ + if (!smbconf_share_exists(ctx, GLOBAL_NAME)) { + return smbconf_create_share(ctx, GLOBAL_NAME); + } + return WERR_OK; +} + + +/********************************************************************** + * + * smbconf operations: registry implementations + * + **********************************************************************/ + /** * Get the change sequence number of the given service/parameter. * service and parameter strings may be NULL. @@ -432,14 +447,306 @@ static void smbconf_reg_get_csn(struct smbconf_ctx *ctx, csn->csn = (uint64_t)regdb_get_seqnum(); } -static WERROR smbconf_global_check(struct smbconf_ctx *ctx) +/** + * Drop the whole configuration (restarting empty) - registry version + */ +static WERROR smbconf_reg_drop(struct smbconf_ctx *ctx) { - if (!smbconf_share_exists(ctx, GLOBAL_NAME)) { - return smbconf_create_share(ctx, GLOBAL_NAME); + char *path, *p; + WERROR werr = WERR_OK; + struct registry_key *parent_key = NULL; + struct registry_key *new_key = NULL; + TALLOC_CTX* mem_ctx = talloc_stackframe(); + enum winreg_CreateAction action; + + path = talloc_strdup(mem_ctx, KEY_SMBCONF); + if (path == NULL) { + werr = WERR_NOMEM; + goto done; } - return WERR_OK; + p = strrchr(path, '\\'); + *p = '\0'; + werr = smbconf_reg_open_path(mem_ctx, ctx, path, REG_KEY_WRITE, + &parent_key); + + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + werr = reg_deletekey_recursive(mem_ctx, parent_key, p+1); + + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + werr = reg_createkey(mem_ctx, parent_key, p+1, REG_KEY_WRITE, + &new_key, &action); + +done: + TALLOC_FREE(mem_ctx); + return werr; +} + +/** + * get the list of share names defined in the configuration. + * registry version. + */ +static WERROR smbconf_reg_get_share_names(struct smbconf_ctx *ctx, + TALLOC_CTX *mem_ctx, + uint32_t *num_shares, + char ***share_names) +{ + uint32_t count; + uint32_t added_count = 0; + TALLOC_CTX *tmp_ctx = NULL; + WERROR werr = WERR_OK; + struct registry_key *key = NULL; + char *subkey_name = NULL; + char **tmp_share_names = NULL; + + if ((num_shares == NULL) || (share_names == NULL)) { + werr = WERR_INVALID_PARAM; + goto done; + } + + tmp_ctx = talloc_stackframe(); + if (tmp_ctx == NULL) { + werr = WERR_NOMEM; + goto done; + } + + /* make sure "global" is always listed first */ + if (smbconf_share_exists(ctx, GLOBAL_NAME)) { + werr = smbconf_add_string_to_array(tmp_ctx, &tmp_share_names, + 0, GLOBAL_NAME); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + added_count++; + } + + werr = smbconf_reg_open_base_key(tmp_ctx, ctx, + SEC_RIGHTS_ENUM_SUBKEYS, &key); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + for (count = 0; + W_ERROR_IS_OK(werr = reg_enumkey(tmp_ctx, key, count, + &subkey_name, NULL)); + count++) + { + if (strequal(subkey_name, GLOBAL_NAME)) { + continue; + } + + werr = smbconf_add_string_to_array(tmp_ctx, + &tmp_share_names, + added_count, + subkey_name); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + added_count++; + } + if (!W_ERROR_EQUAL(WERR_NO_MORE_ITEMS, werr)) { + goto done; + } + werr = WERR_OK; + + *num_shares = added_count; + if (added_count > 0) { + *share_names = talloc_move(mem_ctx, &tmp_share_names); + } else { + *share_names = NULL; + } + +done: + TALLOC_FREE(tmp_ctx); + return werr; } +/** + * check if a share/service of a given name exists - registry version + */ +static bool smbconf_reg_share_exists(struct smbconf_ctx *ctx, + const char *servicename) +{ + bool ret = false; + WERROR werr = WERR_OK; + TALLOC_CTX *mem_ctx = talloc_stackframe(); + struct registry_key *key = NULL; + + werr = smbconf_reg_open_service_key(mem_ctx, 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 - registry version + */ +static WERROR smbconf_reg_create_share(struct smbconf_ctx *ctx, + const char *servicename) +{ + WERROR werr; + TALLOC_CTX *mem_ctx = talloc_stackframe(); + struct registry_key *key = NULL; + + werr = smbconf_reg_create_service_key(mem_ctx, ctx, servicename, &key); + + TALLOC_FREE(mem_ctx); + return werr; +} + +/** + * get a definition of a share (service) from configuration. + */ +static WERROR smbconf_reg_get_share(struct smbconf_ctx *ctx, + TALLOC_CTX *mem_ctx, + const char *servicename, + uint32_t *num_params, + char ***param_names, char ***param_values) +{ + WERROR werr = WERR_OK; + struct registry_key *key = NULL; + + werr = smbconf_reg_open_service_key(mem_ctx, ctx, servicename, + REG_KEY_READ, &key); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + werr = smbconf_reg_get_values(mem_ctx, key, num_params, + param_names, param_values); + +done: + TALLOC_FREE(key); + return werr; +} + +/** + * delete a service from configuration + */ +static WERROR smbconf_reg_delete_share(struct smbconf_ctx *ctx, + const char *servicename) +{ + WERROR werr = WERR_OK; + struct registry_key *key = NULL; + TALLOC_CTX *mem_ctx = talloc_stackframe(); + + werr = smbconf_reg_open_base_key(mem_ctx, ctx, REG_KEY_WRITE, &key); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + werr = reg_deletekey_recursive(key, key, servicename); + +done: + TALLOC_FREE(mem_ctx); + return werr; +} + +/** + * set a configuration parameter to the value provided. + */ +static WERROR smbconf_reg_set_parameter(struct smbconf_ctx *ctx, + const char *service, + const char *param, + const char *valstr) +{ + WERROR werr; + struct registry_key *key = NULL; + TALLOC_CTX *mem_ctx = talloc_stackframe(); + + werr = smbconf_reg_open_service_key(mem_ctx, ctx, service, + REG_KEY_WRITE, &key); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + werr = smbconf_reg_set_value(key, param, valstr); + +done: + TALLOC_FREE(mem_ctx); + return werr; +} + +/** + * get the value of a configuration parameter as a string + */ +static WERROR smbconf_reg_get_parameter(struct smbconf_ctx *ctx, + TALLOC_CTX *mem_ctx, + const char *service, + const char *param, + char **valstr) +{ + WERROR werr = WERR_OK; + struct registry_key *key = NULL; + struct registry_value *value = NULL; + + werr = smbconf_reg_open_service_key(mem_ctx, ctx, service, + REG_KEY_READ, &key); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + if (!smbconf_value_exists(key, param)) { + werr = WERR_INVALID_PARAM; + goto done; + } + + werr = reg_queryvalue(mem_ctx, key, param, &value); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + *valstr = smbconf_format_registry_value(mem_ctx, value); + + if (*valstr == NULL) { + werr = WERR_NOMEM; + } + +done: + TALLOC_FREE(key); + TALLOC_FREE(value); + return werr; +} + +/** + * delete a parameter from configuration + */ +static WERROR smbconf_reg_delete_parameter(struct smbconf_ctx *ctx, + const char *service, + const char *param) +{ + struct registry_key *key = NULL; + WERROR werr = WERR_OK; + TALLOC_CTX *mem_ctx = talloc_stackframe(); + + werr = smbconf_reg_open_service_key(mem_ctx, ctx, service, + REG_KEY_ALL, &key); + if (!W_ERROR_IS_OK(werr)) { + goto done; + } + + if (!smbconf_value_exists(key, param)) { + werr = WERR_INVALID_PARAM; + goto done; + } + + werr = reg_deletevalue(key, param); + +done: + TALLOC_FREE(mem_ctx); + return werr; +} + + /********************************************************************** * * The actual net conf api functions, that are exported. @@ -523,39 +830,7 @@ bool smbconf_changed(struct smbconf_ctx *ctx, struct smbconf_csn *csn, */ WERROR smbconf_drop(struct smbconf_ctx *ctx) { - char *path, *p; - WERROR werr = WERR_OK; - struct registry_key *parent_key = NULL; - struct registry_key *new_key = NULL; - TALLOC_CTX* mem_ctx = talloc_stackframe(); - enum winreg_CreateAction action; - - path = talloc_strdup(mem_ctx, KEY_SMBCONF); - if (path == NULL) { - werr = WERR_NOMEM; - goto done; - } - p = strrchr(path, '\\'); - *p = '\0'; - werr = smbconf_reg_open_path(mem_ctx, ctx, path, REG_KEY_WRITE, - &parent_key); - - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - werr = reg_deletekey_recursive(mem_ctx, parent_key, p+1); - - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - werr = reg_createkey(mem_ctx, parent_key, p+1, REG_KEY_WRITE, - &new_key, &action); - -done: - TALLOC_FREE(mem_ctx); - return werr; + return smbconf_reg_drop(ctx); } /** @@ -652,74 +927,8 @@ WERROR smbconf_get_share_names(struct smbconf_ctx *ctx, uint32_t *num_shares, char ***share_names) { - uint32_t count; - uint32_t added_count = 0; - TALLOC_CTX *tmp_ctx = NULL; - WERROR werr = WERR_OK; - struct registry_key *key = NULL; - char *subkey_name = NULL; - char **tmp_share_names = NULL; - - if ((num_shares == NULL) || (share_names == NULL)) { - werr = WERR_INVALID_PARAM; - goto done; - } - - tmp_ctx = talloc_stackframe(); - if (tmp_ctx == NULL) { - werr = WERR_NOMEM; - goto done; - } - - /* make sure "global" is always listed first */ - if (smbconf_share_exists(ctx, GLOBAL_NAME)) { - werr = smbconf_add_string_to_array(tmp_ctx, &tmp_share_names, - 0, GLOBAL_NAME); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - added_count++; - } - - werr = smbconf_reg_open_base_key(tmp_ctx, ctx, - SEC_RIGHTS_ENUM_SUBKEYS, &key); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - for (count = 0; - W_ERROR_IS_OK(werr = reg_enumkey(tmp_ctx, key, count, - &subkey_name, NULL)); - count++) - { - if (strequal(subkey_name, GLOBAL_NAME)) { - continue; - } - - werr = smbconf_add_string_to_array(tmp_ctx, - &tmp_share_names, - added_count, - subkey_name); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - added_count++; - } - if (!W_ERROR_EQUAL(WERR_NO_MORE_ITEMS, werr)) { - goto done; - } - werr = WERR_OK; - - *num_shares = added_count; - if (added_count > 0) { - *share_names = talloc_move(mem_ctx, &tmp_share_names); - } else { - *share_names = NULL; - } - -done: - TALLOC_FREE(tmp_ctx); - return werr; + return smbconf_reg_get_share_names(ctx, mem_ctx, num_shares, + share_names); } /** @@ -728,19 +937,7 @@ done: bool smbconf_share_exists(struct smbconf_ctx *ctx, const char *servicename) { - bool ret = false; - WERROR werr = WERR_OK; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - struct registry_key *key = NULL; - - werr = smbconf_reg_open_service_key(mem_ctx, ctx, servicename, - REG_KEY_READ, &key); - if (W_ERROR_IS_OK(werr)) { - ret = true; - } - - TALLOC_FREE(mem_ctx); - return ret; + return smbconf_reg_share_exists(ctx, servicename); } /** @@ -749,20 +946,11 @@ bool smbconf_share_exists(struct smbconf_ctx *ctx, WERROR smbconf_create_share(struct smbconf_ctx *ctx, const char *servicename) { - WERROR werr; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - struct registry_key *key = NULL; - if (smbconf_share_exists(ctx, servicename)) { - werr = WERR_ALREADY_EXISTS; - goto done; + return WERR_ALREADY_EXISTS; } - werr = smbconf_reg_create_service_key(mem_ctx, ctx, servicename, &key); - -done: - TALLOC_FREE(mem_ctx); - return werr; + return smbconf_reg_create_share(ctx, servicename); } /** @@ -773,21 +961,8 @@ WERROR smbconf_get_share(struct smbconf_ctx *ctx, const char *servicename, uint32_t *num_params, char ***param_names, char ***param_values) { - WERROR werr = WERR_OK; - struct registry_key *key = NULL; - - werr = smbconf_reg_open_service_key(mem_ctx, ctx, servicename, - REG_KEY_READ, &key); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - werr = smbconf_reg_get_values(mem_ctx, key, num_params, - param_names, param_values); - -done: - TALLOC_FREE(key); - return werr; + return smbconf_reg_get_share(ctx, mem_ctx, servicename, num_params, + param_names, param_values); } /** @@ -795,20 +970,7 @@ done: */ WERROR smbconf_delete_share(struct smbconf_ctx *ctx, const char *servicename) { - WERROR werr = WERR_OK; - struct registry_key *key = NULL; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - - werr = smbconf_reg_open_base_key(mem_ctx, ctx, REG_KEY_WRITE, &key); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - werr = reg_deletekey_recursive(key, key, servicename); - -done: - TALLOC_FREE(mem_ctx); - return werr; + return smbconf_reg_delete_share(ctx, servicename); } /** @@ -819,26 +981,11 @@ WERROR smbconf_set_parameter(struct smbconf_ctx *ctx, const char *param, const char *valstr) { - WERROR werr; - struct registry_key *key = NULL; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - if (!smbconf_share_exists(ctx, service)) { - werr = WERR_NO_SUCH_SERVICE; - goto done; - } - - werr = smbconf_reg_open_service_key(mem_ctx, ctx, service, - REG_KEY_WRITE, &key); - if (!W_ERROR_IS_OK(werr)) { - goto done; + return WERR_NO_SUCH_SERVICE; } - werr = smbconf_reg_set_value(key, param, valstr); - -done: - TALLOC_FREE(mem_ctx); - return werr; + return smbconf_reg_set_parameter(ctx, service, param, valstr); } /** @@ -869,46 +1016,15 @@ WERROR smbconf_get_parameter(struct smbconf_ctx *ctx, const char *param, char **valstr) { - WERROR werr = WERR_OK; - struct registry_key *key = NULL; - struct registry_value *value = NULL; - if (valstr == NULL) { - werr = WERR_INVALID_PARAM; - goto done; + return WERR_INVALID_PARAM; } if (!smbconf_share_exists(ctx, service)) { - werr = WERR_NO_SUCH_SERVICE; - goto done; - } - - werr = smbconf_reg_open_service_key(mem_ctx, ctx, service, - REG_KEY_READ, &key); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - if (!smbconf_value_exists(key, param)) { - werr = WERR_INVALID_PARAM; - goto done; - } - - werr = reg_queryvalue(mem_ctx, key, param, &value); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - *valstr = smbconf_format_registry_value(mem_ctx, value); - - if (*valstr == NULL) { - werr = WERR_NOMEM; + return WERR_NO_SUCH_SERVICE; } -done: - TALLOC_FREE(key); - TALLOC_FREE(value); - return werr; + return smbconf_reg_get_parameter(ctx, mem_ctx, service, param, valstr); } /** @@ -938,30 +1054,11 @@ WERROR smbconf_get_global_parameter(struct smbconf_ctx *ctx, WERROR smbconf_delete_parameter(struct smbconf_ctx *ctx, const char *service, const char *param) { - struct registry_key *key = NULL; - WERROR werr = WERR_OK; - TALLOC_CTX *mem_ctx = talloc_stackframe(); - if (!smbconf_share_exists(ctx, service)) { return WERR_NO_SUCH_SERVICE; } - werr = smbconf_reg_open_service_key(mem_ctx, ctx, service, - REG_KEY_ALL, &key); - if (!W_ERROR_IS_OK(werr)) { - goto done; - } - - if (!smbconf_value_exists(key, param)) { - werr = WERR_INVALID_PARAM; - goto done; - } - - werr = reg_deletevalue(key, param); - -done: - TALLOC_FREE(mem_ctx); - return werr; + return smbconf_reg_delete_parameter(ctx, service, param); } /** |