src/auth/auth-settings.c

	auth-settings.c revision f01eb1f51d618633c0189be9ab60a774f47fb7df
2e37d45867d081db150ab78dad303b9077aea24fTimo Sirainen/* Copyright (c) 2005-2012 Dovecot authors, see the included COPYING file */
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#include "lib.h"
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#include "array.h"
636f017be100bce67d66fd3ae1544a47681efd33Timo Sirainen#include "settings-parser.h"
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#include "master-service-private.h"
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#include "master-service-settings.h"
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#include "service-settings.h"
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#include "auth-settings.h"
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#include <stddef.h>
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic bool auth_settings_check(void *_set, pool_t pool, const char **error_r);
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenstatic bool auth_passdb_settings_check(void *_set, pool_t pool, const char **error_r);
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenstatic bool auth_userdb_settings_check(void *_set, pool_t pool, const char **error_r);
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen/* <settings checks> */
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenstatic struct file_listener_settings auth_unix_listeners_array[] = {
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    { "login/login", 0666, "", "" },
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    { "token-login/tokenlogin", 0666, "", "" },
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    { "auth-login", 0600, "$default_internal_user", "" },
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    { "auth-client", 0600, "", "" },
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    { "auth-userdb", 0666, "$default_internal_user", "" },
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    { "auth-master", 0600, "", "" }
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic struct file_listener_settings *auth_unix_listeners[] = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    &auth_unix_listeners_array[0],
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    &auth_unix_listeners_array[1],
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    &auth_unix_listeners_array[2],
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    &auth_unix_listeners_array[3],
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    &auth_unix_listeners_array[4],
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    &auth_unix_listeners_array[5]
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic buffer_t auth_unix_listeners_buf = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    auth_unix_listeners, sizeof(auth_unix_listeners), { 0, }
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen/* </settings checks> */
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstruct service_settings auth_service_settings = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .name = "auth",
c14ceb2cabfd4934243d09ff2dfbc24791ef4eb2Timo Sirainen    .protocol = "",
c14ceb2cabfd4934243d09ff2dfbc24791ef4eb2Timo Sirainen    .type = "",
c14ceb2cabfd4934243d09ff2dfbc24791ef4eb2Timo Sirainen    .executable = "auth",
c14ceb2cabfd4934243d09ff2dfbc24791ef4eb2Timo Sirainen    .user = "$default_internal_user",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .group = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .privileged_group = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .extra_groups = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .chroot = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .drop_priv_before_exec = FALSE,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .process_min_avail = 0,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .process_limit = 1,
eef4ba0cc3e78f8c26804c1c9251a76580a41f0cTimo Sirainen    .client_limit = 0,
eef4ba0cc3e78f8c26804c1c9251a76580a41f0cTimo Sirainen    .service_count = 0,
eef4ba0cc3e78f8c26804c1c9251a76580a41f0cTimo Sirainen    .idle_kill = 0,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .vsz_limit = (uoff_t)-1,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .unix_listeners = { { &auth_unix_listeners_buf,
eef4ba0cc3e78f8c26804c1c9251a76580a41f0cTimo Sirainen                  sizeof(auth_unix_listeners[0]) } },
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .fifo_listeners = ARRAY_INIT,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .inet_listeners = ARRAY_INIT,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .process_limit_1 = TRUE
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
11352dc3e4b29f3d2763c82f8ea4f99e8daf4fa3Timo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen/* <settings checks> */
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic struct file_listener_settings auth_worker_unix_listeners_array[] = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    { "auth-worker", 0600, "$default_internal_user", "" }
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic struct file_listener_settings *auth_worker_unix_listeners[] = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    &auth_worker_unix_listeners_array[0]
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic buffer_t auth_worker_unix_listeners_buf = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    auth_worker_unix_listeners, sizeof(auth_worker_unix_listeners), { 0, }
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen/* </settings checks> */
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstruct service_settings auth_worker_service_settings = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .name = "auth-worker",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .protocol = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .type = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .executable = "auth -w",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .user = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .group = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .privileged_group = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .extra_groups = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .chroot = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .drop_priv_before_exec = FALSE,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .process_min_avail = 0,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .process_limit = 0,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .client_limit = 1,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .service_count = 1,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .idle_kill = 0,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .vsz_limit = (uoff_t)-1,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .unix_listeners = { { &auth_worker_unix_listeners_buf,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen                  sizeof(auth_worker_unix_listeners[0]) } },
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .fifo_listeners = ARRAY_INIT,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .inet_listeners = ARRAY_INIT
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#undef DEF
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#define DEF(type, name) \
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    { type, #name, offsetof(struct auth_passdb_settings, name), NULL }
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic const struct setting_define auth_passdb_setting_defines[] = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, driver),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, args),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, default_fields),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, override_fields),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_ENUM, skip),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_ENUM, result_success),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_ENUM, result_failure),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_ENUM, result_internalfail),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, deny),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, pass),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, master),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    SETTING_DEFINE_LIST_END
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen};
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenstatic const struct auth_passdb_settings auth_passdb_default_settings = {
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .driver = "",
636f017be100bce67d66fd3ae1544a47681efd33Timo Sirainen    .args = "",
636f017be100bce67d66fd3ae1544a47681efd33Timo Sirainen    .default_fields = "",
636f017be100bce67d66fd3ae1544a47681efd33Timo Sirainen    .override_fields = "",
636f017be100bce67d66fd3ae1544a47681efd33Timo Sirainen    .skip = "never:authenticated:unauthenticated",
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .result_success = "return-ok:return:return-fail:continue:continue-ok:continue-fail",
c0a87e5f3316a57e6f915882fa1951d0fbb74a61Timo Sirainen    .result_failure = "continue:return:return-ok:return-fail:continue-ok:continue-fail",
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .result_internalfail = "continue:return:return-ok:return-fail:continue-ok:continue-fail",
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .deny = FALSE,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .pass = FALSE,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .master = FALSE
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen};
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenconst struct setting_parser_info auth_passdb_setting_parser_info = {
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .defines = auth_passdb_setting_defines,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .defaults = &auth_passdb_default_settings,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .type_offset = (size_t)-1,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .struct_size = sizeof(struct auth_passdb_settings),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .parent_offset = (size_t)-1,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .parent = &auth_setting_parser_info,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .check_func = auth_passdb_settings_check
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen#undef DEF
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen#define DEF(type, name) \
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    { type, #name, offsetof(struct auth_userdb_settings, name), NULL }
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenstatic const struct setting_define auth_userdb_setting_defines[] = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, driver),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, args),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, default_fields),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    DEF(SET_STR, override_fields),
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    SETTING_DEFINE_LIST_END
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen};
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainenstatic const struct auth_userdb_settings auth_userdb_default_settings = {
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .driver = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .args = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .default_fields = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .override_fields = ""
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen};
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenconst struct setting_parser_info auth_userdb_setting_parser_info = {
c0a87e5f3316a57e6f915882fa1951d0fbb74a61Timo Sirainen    .defines = auth_userdb_setting_defines,
c0a87e5f3316a57e6f915882fa1951d0fbb74a61Timo Sirainen    .defaults = &auth_userdb_default_settings,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .type_offset = (size_t)-1,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .struct_size = sizeof(struct auth_userdb_settings),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .parent_offset = (size_t)-1,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .parent = &auth_setting_parser_info,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .check_func = auth_userdb_settings_check
c0a87e5f3316a57e6f915882fa1951d0fbb74a61Timo Sirainen};
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen/* we're kind of kludging here to avoid "auth_" prefix in the struct fields */
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen#undef DEF
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen#undef DEF_NOPREFIX
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen#undef DEFLIST
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen#define DEF(type, name) \
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    { type, "auth_"#name, offsetof(struct auth_settings, name), NULL }
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen#define DEF_NOPREFIX(type, name) \
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    { type, #name, offsetof(struct auth_settings, name), NULL }
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen#define DEFLIST(field, name, defines) \
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    { SET_DEFLIST, name, offsetof(struct auth_settings, field), defines }
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenstatic const struct setting_define auth_setting_defines[] = {
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, mechanisms),
c0a87e5f3316a57e6f915882fa1951d0fbb74a61Timo Sirainen    DEF(SET_STR, realms),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, default_realm),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_SIZE, cache_size),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_TIME, cache_ttl),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_TIME, cache_negative_ttl),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, username_chars),
c0a87e5f3316a57e6f915882fa1951d0fbb74a61Timo Sirainen    DEF(SET_STR, username_translation),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, username_format),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, master_user_separator),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, anonymous_username),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, krb5_keytab),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, gssapi_hostname),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, winbind_helper_path),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_STR, proxy_self),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_TIME, failure_delay),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, verbose),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, debug),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, debug_passwords),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_ENUM, verbose_passwords),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, ssl_require_client_cert),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, ssl_username_from_cert),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_BOOL, use_winbind),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF(SET_UINT, worker_max_count),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEFLIST(passdbs, "passdb", &auth_passdb_setting_parser_info),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEFLIST(userdbs, "userdb", &auth_userdb_setting_parser_info),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF_NOPREFIX(SET_STR, base_dir),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF_NOPREFIX(SET_BOOL, verbose_proctitle),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF_NOPREFIX(SET_UINT, first_valid_uid),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    DEF_NOPREFIX(SET_UINT, last_valid_uid),
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    SETTING_DEFINE_LIST_END
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen};
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainenstatic const struct auth_settings auth_default_settings = {
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .mechanisms = "plain",
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .realms = "",
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .default_realm = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .cache_size = 0,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .cache_ttl = 60*60,
9bd607718368ffb39bcfbc82010073364901c5a2Timo Sirainen    .cache_negative_ttl = 60*60,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .username_chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .username_translation = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .username_format = "%Lu",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .master_user_separator = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .anonymous_username = "anonymous",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .krb5_keytab = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .gssapi_hostname = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .winbind_helper_path = "/usr/bin/ntlm_auth",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .proxy_self = "",
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen    .failure_delay = 2,
a6e79dffa06db28bcfad9c1e5fc819c48172d5deTimo Sirainen
    .verbose = FALSE,
    .debug = FALSE,
    .debug_passwords = FALSE,
    .verbose_passwords = "no:plain:sha1",
    .ssl_require_client_cert = FALSE,
    .ssl_username_from_cert = FALSE,
    .use_winbind = FALSE,

    .worker_max_count = 30,

    .passdbs = ARRAY_INIT,
    .userdbs = ARRAY_INIT,

    .base_dir = PKG_RUNDIR,
    .verbose_proctitle = FALSE,
    .first_valid_uid = 500,
    .last_valid_uid = 0,
};

const struct setting_parser_info auth_setting_parser_info = {
    .module_name = "auth",
    .defines = auth_setting_defines,
    .defaults = &auth_default_settings,

    .type_offset = (size_t)-1,
    .struct_size = sizeof(struct auth_settings),

    .parent_offset = (size_t)-1,

    .check_func = auth_settings_check
};

/* <settings checks> */
static bool
auth_settings_set_self_ips(struct auth_settings *set, pool_t pool,
               const char **error_r)
{
    const char *const *tmp;
    ARRAY(struct ip_addr) ips_array;
    struct ip_addr *ips;
    unsigned int ips_count;
    int ret;

    if (*set->proxy_self == '\0') {
        set->proxy_self_ips = p_new(pool, struct ip_addr, 1);
        return TRUE;
    }

    p_array_init(&ips_array, pool, 4);
    tmp = t_strsplit_spaces(set->proxy_self, " ");
    for (; *tmp != NULL; tmp++) {
        ret = net_gethostbyname(*tmp, &ips, &ips_count);
        if (ret != 0) {
            *error_r = t_strdup_printf("auth_proxy_self_ips: "
                "gethostbyname(%s) failed: %s",
                *tmp, net_gethosterror(ret));
        }
        array_append(&ips_array, ips, ips_count);
    }
    array_append_zero(&ips_array);
    set->proxy_self_ips = array_idx(&ips_array, 0);
    return TRUE;
}

static bool auth_settings_check(void *_set, pool_t pool,
                const char **error_r)
{
    struct auth_settings *set = _set;
    const char *p;

    if (set->debug_passwords)
        set->debug = TRUE;
    if (set->debug)
        set->verbose = TRUE;

    if (set->worker_max_count == 0) {
        *error_r = "auth_worker_max_count must be above zero";
        return FALSE;
    }

    if (set->cache_size > 0 && set->cache_size < 1024) {
        /* probably a configuration error.
           older versions used megabyte numbers */
        *error_r = t_strdup_printf("auth_cache_size value is too small "
                       "(%"PRIuUOFF_T" bytes)",
                       set->cache_size);
        return FALSE;
    }

    if (*set->username_chars == '\0') {
        /* all chars are allowed */
        memset(set->username_chars_map, 1,
               sizeof(set->username_chars_map));
    } else {
        for (p = set->username_chars; *p != '\0'; p++)
            set->username_chars_map[(int)(uint8_t)*p] = 1;
    }

    if (*set->username_translation != '\0') {
        p = set->username_translation;
        for (; *p != '\0' && p[1] != '\0'; p += 2)
            set->username_translation_map[(int)(uint8_t)*p] = p[1];
    }
    set->realms_arr =
        (const char *const *)p_strsplit_spaces(pool, set->realms, " ");

    if (!auth_settings_set_self_ips(set, pool, error_r))
        return FALSE;
    return TRUE;
}

static bool
auth_passdb_settings_check(void *_set, pool_t pool ATTR_UNUSED,
               const char **error_r)
{
    struct auth_passdb_settings *set = _set;

    if (set->driver == NULL || *set->driver == '\0') {
        *error_r = "passdb is missing driver";
        return FALSE;
    }
    if (set->pass && strcmp(set->result_success, "return-ok") != 0) {
        *error_r = "Obsolete pass=yes setting mixed with non-default result_success";
        return FALSE;
    }
    return TRUE;
}

static bool
auth_userdb_settings_check(void *_set, pool_t pool ATTR_UNUSED,
               const char **error_r)
{
    struct auth_userdb_settings *set = _set;

    if (set->driver == NULL || *set->driver == '\0') {
        *error_r = "userdb is missing driver";
        return FALSE;
    }
    return TRUE;
}
/* </settings checks> */

struct auth_settings *global_auth_settings;

struct auth_settings *
auth_settings_read(const char *service, pool_t pool,
           struct master_service_settings_output *output_r)
{
    static const struct setting_parser_info *set_roots[] = {
        &auth_setting_parser_info,
        NULL
    };
    struct master_service_settings_input input;
    struct setting_parser_context *set_parser;
    const char *error;
    void **sets;

    memset(&input, 0, sizeof(input));
    input.roots = set_roots;
    input.module = "auth";
    input.service = service;
    if (master_service_settings_read(master_service, &input,
                     output_r, &error) < 0)
        i_fatal("Error reading configuration: %s", error);

    pool_ref(pool);
    set_parser = settings_parser_dup(master_service->set_parser, pool);
    if (!settings_parser_check(set_parser, pool, &error))
        i_unreached();

    sets = master_service_settings_parser_get_others(master_service,
                             set_parser);
    settings_parser_deinit(&set_parser);
    return sets[0];
}