src/lmtp/lmtp-settings.c

/* Copyright (c) 2009-2018 Dovecot authors, see the included COPYING file */

#include "lib.h"
#include "buffer.h"
#include "var-expand.h"
#include "settings-parser.h"
#include "service-settings.h"
#include "master-service.h"
#include "master-service-settings.h"
#include "lda-settings.h"
#include "lmtp-settings.h"
#include "mail-storage-settings.h"

#include <stddef.h>
#include <unistd.h>

static bool lmtp_settings_check(void *_set, pool_t pool, const char **error_r);

/* <settings checks> */
static struct file_listener_settings lmtp_unix_listeners_array[] = {
    { "lmtp", 0666, "", "" }
};
static struct file_listener_settings *lmtp_unix_listeners[] = {
    &lmtp_unix_listeners_array[0]
};
static buffer_t lmtp_unix_listeners_buf = {
    lmtp_unix_listeners, sizeof(lmtp_unix_listeners), { NULL, }
};
/* </settings checks> */

struct service_settings lmtp_service_settings = {
    .name = "lmtp",
    .protocol = "lmtp",
    .type = "",
    .executable = "lmtp",
    .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 = 0,
    .idle_kill = 0,
    .vsz_limit = (uoff_t)-1,

    .unix_listeners = { { &lmtp_unix_listeners_buf,
                  sizeof(lmtp_unix_listeners[0]) } },
    .fifo_listeners = ARRAY_INIT,
    .inet_listeners = ARRAY_INIT
};

#undef DEF
#define DEF(type, name) \
    { type, #name, offsetof(struct lmtp_settings, name), NULL }

static const struct setting_define lmtp_setting_defines[] = {
    DEF(SET_BOOL, lmtp_proxy),
    DEF(SET_BOOL, lmtp_save_to_detail_mailbox),
    DEF(SET_BOOL, lmtp_rcpt_check_quota),
    DEF(SET_UINT, lmtp_user_concurrency_limit),
    DEF(SET_ENUM, lmtp_hdr_delivery_address),
    DEF(SET_STR_VARS, login_greeting),
    DEF(SET_STR, login_trusted_networks),

    SETTING_DEFINE_LIST_END
};

static const struct lmtp_settings lmtp_default_settings = {
    .lmtp_proxy = FALSE,
    .lmtp_save_to_detail_mailbox = FALSE,
    .lmtp_rcpt_check_quota = FALSE,
    .lmtp_user_concurrency_limit = 0,
    .lmtp_hdr_delivery_address = "final:none:original",
    .login_greeting = PACKAGE_NAME" ready.",
    .login_trusted_networks = ""
};

static const struct setting_parser_info *lmtp_setting_dependencies[] = {
    &lda_setting_parser_info,
    NULL
};

const struct setting_parser_info lmtp_setting_parser_info = {
    .module_name = "lmtp",
    .defines = lmtp_setting_defines,
    .defaults = &lmtp_default_settings,

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

    .parent_offset = (size_t)-1,

    .check_func = lmtp_settings_check,
    .dependencies = lmtp_setting_dependencies
};

/* <settings checks> */
static bool lmtp_settings_check(void *_set, pool_t pool ATTR_UNUSED,
                const char **error_r)
{
    struct lmtp_settings *set = _set;

    if (strcmp(set->lmtp_hdr_delivery_address, "none") == 0) {
        set->parsed_lmtp_hdr_delivery_address =
            LMTP_HDR_DELIVERY_ADDRESS_NONE;
    } else if (strcmp(set->lmtp_hdr_delivery_address, "final") == 0) {
        set->parsed_lmtp_hdr_delivery_address =
            LMTP_HDR_DELIVERY_ADDRESS_FINAL;
    } else if (strcmp(set->lmtp_hdr_delivery_address, "original") == 0) {
        set->parsed_lmtp_hdr_delivery_address =
            LMTP_HDR_DELIVERY_ADDRESS_ORIGINAL;
    } else {
        *error_r = t_strdup_printf("Unknown lmtp_hdr_delivery_address: %s",
                       set->lmtp_hdr_delivery_address);
        return FALSE;
    }
    return TRUE;
}
/* </settings checks> */

void lmtp_settings_dup(const struct setting_parser_context *set_parser,
               pool_t pool,
               struct lmtp_settings **lmtp_set_r,
               struct lda_settings **lda_set_r)
{
    void **sets;

    sets = master_service_settings_parser_get_others(master_service,
                             set_parser);
    *lda_set_r = settings_dup(&lda_setting_parser_info, sets[2], pool);
    *lmtp_set_r = settings_dup(&lmtp_setting_parser_info, sets[3], pool);
}