1 files changed, 320 insertions, 0 deletions
diff --git a/src/doveadm/doveadm-settings.c b/src/doveadm/doveadm-settings.c
new file mode 100644
index 0000000..b6b31cf
--- /dev/null
+++ b/src/doveadm/doveadm-settings.c
@@ -0,0 +1,320 @@
+/* Copyright (c) 2010-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "array.h"
+#include "var-expand.h"
+#include "settings-parser.h"
+#include "service-settings.h"
+#include "mail-storage-settings.h"
+#include "master-service.h"
+#include "master-service-settings.h"
+#include "master-service-ssl-settings.h"
+#include "iostream-ssl.h"
+#include "doveadm-settings.h"
+
+ARRAY_TYPE(doveadm_setting_root) doveadm_setting_roots;
+bool doveadm_verbose_proctitle;
+
+static pool_t doveadm_settings_pool = NULL;
+
+static bool doveadm_settings_check(void *_set, pool_t pool, const char **error_r);
+
+/* <settings checks> */
+static struct file_listener_settings doveadm_unix_listeners_array[] = {
+	{ "doveadm-server", 0600, "", "" }
+};
+static struct file_listener_settings *doveadm_unix_listeners[] = {
+	&doveadm_unix_listeners_array[0]
+};
+static buffer_t doveadm_unix_listeners_buf = {
+	{ { doveadm_unix_listeners, sizeof(doveadm_unix_listeners) } }
+};
+/* </settings checks> */
+
+struct service_settings doveadm_service_settings = {
+	.name = "doveadm",
+	.protocol = "",
+	.type = "",
+	.executable = "doveadm-server",
+	.user = "",
+	.group = "",
+	.privileged_group = "",
+	.extra_groups = "$default_internal_group",
+	.chroot = "",
+
+	.drop_priv_before_exec = FALSE,
+
+	.process_min_avail = 0,
+	.process_limit = 0,
+	.client_limit = 1,
+	.service_count = 1,
+	.idle_kill = 0,
+	.vsz_limit = UOFF_T_MAX,
+
+	.unix_listeners = { { &doveadm_unix_listeners_buf,
+			      sizeof(doveadm_unix_listeners[0]) } },
+	.fifo_listeners = ARRAY_INIT,
+	.inet_listeners = ARRAY_INIT
+};
+
+#undef DEF
+#define DEF(type, name) \
+	SETTING_DEFINE_STRUCT_##type(#name, name, struct doveadm_settings)
+
+static const struct setting_define doveadm_setting_defines[] = {
+	DEF(STR, base_dir),
+	DEF(STR, libexec_dir),
+	DEF(STR, mail_plugins),
+	DEF(STR, mail_plugin_dir),
+	DEF(STR_VARS, mail_temp_dir),
+	DEF(BOOL, auth_debug),
+	DEF(STR, auth_socket_path),
+	DEF(STR, doveadm_socket_path),
+	DEF(UINT, doveadm_worker_count),
+	DEF(IN_PORT, doveadm_port),
+	{ .type = SET_ALIAS, .key = "doveadm_proxy_port" },
+	DEF(ENUM, doveadm_ssl),
+	DEF(STR, doveadm_username),
+	DEF(STR, doveadm_password),
+	DEF(STR, doveadm_allowed_commands),
+	DEF(STR, dsync_alt_char),
+	DEF(STR, dsync_remote_cmd),
+	DEF(STR, director_username_hash),
+	DEF(STR, doveadm_api_key),
+	DEF(STR, dsync_features),
+	DEF(UINT, dsync_commit_msgs_interval),
+	DEF(STR, doveadm_http_rawlog_dir),
+	DEF(STR, dsync_hashed_headers),
+
+	{ .type = SET_STRLIST, .key = "plugin",
+	  .offset = offsetof(struct doveadm_settings, plugin_envs) },
+
+	SETTING_DEFINE_LIST_END
+};
+
+const struct doveadm_settings doveadm_default_settings = {
+	.base_dir = PKG_RUNDIR,
+	.libexec_dir = PKG_LIBEXECDIR,
+	.mail_plugins = "",
+	.mail_plugin_dir = MODULEDIR,
+	.mail_temp_dir = "/tmp",
+	.auth_debug = FALSE,
+	.auth_socket_path = "auth-userdb",
+	.doveadm_socket_path = "doveadm-server",
+	.doveadm_worker_count = 0,
+	.doveadm_port = 0,
+	.doveadm_ssl = "no:ssl:starttls",
+	.doveadm_username = "doveadm",
+	.doveadm_password = "",
+	.doveadm_allowed_commands = "",
+	.dsync_alt_char = "_",
+	.dsync_remote_cmd = "ssh -l%{login} %{host} doveadm dsync-server -u%u -U",
+	.dsync_features = "",
+	.dsync_hashed_headers = "Date Message-ID",
+	.dsync_commit_msgs_interval = 100,
+	.director_username_hash = "%Lu",
+	.doveadm_api_key = "",
+	.doveadm_http_rawlog_dir = "",
+
+	.plugin_envs = ARRAY_INIT
+};
+
+static const struct setting_parser_info *doveadm_setting_dependencies[] = {
+	&mail_user_setting_parser_info,
+	NULL
+};
+
+const struct setting_parser_info doveadm_setting_parser_info = {
+	.module_name = "doveadm",
+	.defines = doveadm_setting_defines,
+	.defaults = &doveadm_default_settings,
+
+	.type_offset = SIZE_MAX,
+	.struct_size = sizeof(struct doveadm_settings),
+
+	.parent_offset = SIZE_MAX,
+	.check_func = doveadm_settings_check,
+	.dependencies = doveadm_setting_dependencies
+};
+
+struct doveadm_settings *doveadm_settings;
+const struct master_service_settings *service_set;
+
+static void
+fix_base_path(struct doveadm_settings *set, pool_t pool, const char **str)
+{
+	if (*str != NULL && **str != '\0' && **str != '/')
+		*str = p_strconcat(pool, set->base_dir, "/", *str, NULL);
+}
+
+/* <settings checks> */
+struct dsync_feature_list {
+	const char *name;
+	enum dsync_features num;
+};
+
+static const struct dsync_feature_list dsync_feature_list[] = {
+	{ "empty-header-workaround", DSYNC_FEATURE_EMPTY_HDR_WORKAROUND },
+	{ "no-header-hashes", DSYNC_FEATURE_NO_HEADER_HASHES },
+	{ NULL, 0 }
+};
+
+static int
+dsync_settings_parse_features(struct doveadm_settings *set,
+			      const char **error_r)
+{
+	enum dsync_features features = 0;
+	const struct dsync_feature_list *list;
+	const char *const *str;
+
+	str = t_strsplit_spaces(set->dsync_features, " ,");
+	for (; *str != NULL; str++) {
+		list = dsync_feature_list;
+		for (; list->name != NULL; list++) {
+			if (strcasecmp(*str, list->name) == 0) {
+				features |= list->num;
+				break;
+			}
+		}
+		if (list->name == NULL) {
+			*error_r = t_strdup_printf("dsync_features: "
+				"Unknown feature: %s", *str);
+			return -1;
+		}
+	}
+	set->parsed_features = features;
+	return 0;
+}
+
+static bool doveadm_settings_check(void *_set, pool_t pool ATTR_UNUSED,
+				   const char **error_r)
+{
+	struct doveadm_settings *set = _set;
+
+#ifndef CONFIG_BINARY
+	fix_base_path(set, pool, &set->auth_socket_path);
+	fix_base_path(set, pool, &set->doveadm_socket_path);
+#endif
+	if (*set->dsync_hashed_headers == '\0') {
+		*error_r = "dsync_hashed_headers must not be empty";
+		return FALSE;
+	}
+	if (*set->dsync_alt_char == '\0') {
+		*error_r = "dsync_alt_char must not be empty";
+		return FALSE;
+	}
+	if (dsync_settings_parse_features(set, error_r) != 0)
+		return FALSE;
+	return TRUE;
+}
+/* </settings checks> */
+
+const struct master_service_ssl_settings *doveadm_ssl_set = NULL;
+
+void doveadm_get_ssl_settings(struct ssl_iostream_settings *set_r, pool_t pool)
+{
+	master_service_ssl_client_settings_to_iostream_set(doveadm_ssl_set,
+							   pool, set_r);
+}
+
+void doveadm_settings_expand(struct doveadm_settings *set, pool_t pool)
+{
+	struct var_expand_table tab[] = { { '\0', NULL, NULL } };
+	const char *error;
+
+	if (settings_var_expand(&doveadm_setting_parser_info, set,
+				pool, tab, &error) <= 0)
+		i_fatal("Failed to expand settings: %s", error);
+}
+
+void doveadm_read_settings(void)
+{
+	static const struct setting_parser_info *default_set_roots[] = {
+		&master_service_ssl_setting_parser_info,
+		&doveadm_setting_parser_info,
+	};
+	struct master_service_settings_input input;
+	struct master_service_settings_output output;
+	const struct doveadm_settings *set;
+	struct doveadm_setting_root *root;
+	ARRAY(const struct setting_parser_info *) set_roots;
+	ARRAY_TYPE(const_string) module_names;
+	void **sets;
+	const char *error;
+
+	t_array_init(&set_roots, N_ELEMENTS(default_set_roots) +
+		     array_count(&doveadm_setting_roots) + 1);
+	array_append(&set_roots, default_set_roots,
+		     N_ELEMENTS(default_set_roots));
+	t_array_init(&module_names, 4);
+	array_foreach_modifiable(&doveadm_setting_roots, root) {
+		array_push_back(&module_names, &root->info->module_name);
+		array_push_back(&set_roots, &root->info);
+	}
+	array_append_zero(&module_names);
+	array_append_zero(&set_roots);
+
+	i_zero(&input);
+	input.roots = array_front(&set_roots);
+	input.module = "doveadm";
+	input.extra_modules = array_front(&module_names);
+	input.service = "doveadm";
+	input.preserve_user = TRUE;
+	input.preserve_home = TRUE;
+	if (master_service_settings_read(master_service, &input,
+					 &output, &error) < 0)
+		i_fatal("Error reading configuration: %s", error);
+
+	doveadm_settings_pool = pool_alloconly_create("doveadm settings", 1024);
+	service_set = master_service_settings_get(master_service);
+	service_set = settings_dup(&master_service_setting_parser_info,
+				   service_set, doveadm_settings_pool);
+	doveadm_verbose_proctitle = service_set->verbose_proctitle;
+
+	sets = master_service_settings_get_others(master_service);
+	set = sets[1];
+	doveadm_settings = settings_dup(&doveadm_setting_parser_info, set,
+					doveadm_settings_pool);
+	doveadm_ssl_set = settings_dup(&master_service_ssl_setting_parser_info,
+				       master_service_ssl_settings_get(master_service),
+				       doveadm_settings_pool);
+	doveadm_settings_expand(doveadm_settings, doveadm_settings_pool);
+	doveadm_settings->parsed_features = set->parsed_features; /* copy this value by hand */
+
+	array_foreach_modifiable(&doveadm_setting_roots, root) {
+		unsigned int idx =
+			array_foreach_idx(&doveadm_setting_roots, root);
+		root->settings = settings_dup(root->info, sets[2+idx],
+					      doveadm_settings_pool);
+	}
+}
+
+void doveadm_setting_roots_add(const struct setting_parser_info *info)
+{
+	struct doveadm_setting_root *root;
+
+	root = array_append_space(&doveadm_setting_roots);
+	root->info = info;
+}
+
+void *doveadm_setting_roots_get_settings(const struct setting_parser_info *info)
+{
+	const struct doveadm_setting_root *root;
+
+	array_foreach(&doveadm_setting_roots, root) {
+		if (root->info == info)
+			return root->settings;
+	}
+	i_panic("Failed to find settings for module %s", info->module_name);
+}
+
+void doveadm_settings_init(void)
+{
+	i_array_init(&doveadm_setting_roots, 8);
+}
+
+void doveadm_settings_deinit(void)
+{
+	array_free(&doveadm_setting_roots);
+	pool_unref(&doveadm_settings_pool);
+}