static int write_from_line(struct mbox_save_context *ctx, time_t received_date,
const char *from_envelope)
{
int ret;
T_BEGIN {
const char *line;
if (from_envelope == NULL) {
struct mail_storage *storage =
&ctx->mbox->storage->storage;
from_envelope =
strchr(storage->user->username, '@') != NULL ?
storage->user->username :
t_strconcat(storage->user->username,
"@", my_hostdomain(), NULL);
} else if (*from_envelope == '\0') {
/* can't write empty envelope */
from_envelope = "MAILER-DAEMON";
}
/* save in local timezone, no matter what it was given with */
line = mbox_from_create(from_envelope, received_date);
if ((ret = o_stream_send_str(ctx->output, line)) < 0)
write_error(ctx);
} T_END;
return ret;
}
static void
service_process_setup_environment(struct service *service, unsigned int uid)
{
master_service_env_clean();
env_put(MASTER_IS_PARENT_ENV"=1");
service_process_setup_config_environment(service);
env_put(t_strdup_printf(MASTER_CLIENT_LIMIT_ENV"=%u",
service->client_limit));
env_put(t_strdup_printf(MASTER_PROCESS_LIMIT_ENV"=%u",
service->process_limit));
env_put(t_strdup_printf(MASTER_SERVICE_IDLE_KILL_ENV"=%u",
service->idle_kill));
if (service->set->service_count != 0) {
env_put(t_strdup_printf(MASTER_SERVICE_COUNT_ENV"=%u",
service->set->service_count));
}
env_put(t_strdup_printf(MASTER_UID_ENV"=%u", uid));
env_put(t_strdup_printf(MY_HOSTNAME_ENV"=%s", my_hostname));
env_put(t_strdup_printf(MY_HOSTDOMAIN_ENV"=%s", my_hostdomain()));
if (!service->set->master_set->version_ignore)
env_put(MASTER_DOVECOT_VERSION_ENV"="PACKAGE_VERSION);
if (ssl_manual_key_password != NULL && service->have_inet_listeners) {
/* manually given SSL password. give it only to services
that have inet listeners. */
env_put(t_strconcat(MASTER_SSL_KEY_PASSWORD_ENV"=",
ssl_manual_key_password, NULL));
}
if (service->type == SERVICE_TYPE_ANVIL &&
service_anvil_global->restarted)
env_put("ANVIL_RESTARTED=1");
}
static bool lda_settings_check(void *_set, pool_t pool, const char **error_r)
{
struct lda_settings *set = _set;
if (*set->hostname == '\0')
set->hostname = p_strdup(pool, my_hostdomain());
if (*set->postmaster_address == '\0') {
/* check for valid looking fqdn in hostname */
if (strchr(set->hostname, '.') == NULL) {
*error_r = "postmaster_address setting not given";
return FALSE;
}
set->postmaster_address = p_strconcat(pool, "postmaster@",
set->hostname, NULL);
}
return TRUE;
}
static bool
submission_settings_verify(void *_set, pool_t pool ATTR_UNUSED, const char **error_r)
{
struct submission_settings *set = _set;
if (submission_settings_parse_workarounds(set, error_r) < 0)
return FALSE;
#ifndef CONFIG_BINARY
if (set->submission_relay_max_idle_time == 0) {
*error_r = "submission_relay_max_idle_time must not be 0";
return FALSE;
}
if (*set->hostname == '\0')
set->hostname = p_strdup(pool, my_hostdomain());
#endif
return TRUE;
}
struct service_process *service_process_create(struct service *service)
{
static unsigned int uid_counter = 0;
struct service_process *process;
unsigned int uid = ++uid_counter;
const char *hostdomain;
pid_t pid;
bool process_forked;
i_assert(service->status_fd[0] != -1);
if (service->to_throttle != NULL) {
/* throttling service, don't create new processes */
return NULL;
}
if (service->list->destroying) {
/* these services are being destroyed, no point in creating
new processes now */
return NULL;
}
/* look this up before fork()ing so that it gets cached for all the
future lookups. */
hostdomain = my_hostdomain();
if (service->type == SERVICE_TYPE_ANVIL &&
service_anvil_global->pid != 0) {
pid = service_anvil_global->pid;
uid = service_anvil_global->uid;
process_forked = FALSE;
} else {
pid = fork();
process_forked = TRUE;
service->list->fork_counter++;
}
if (pid < 0) {
service_error(service, "fork() failed: %m");
return NULL;
}
if (pid == 0) {
/* child */
service_process_setup_environment(service, uid, hostdomain);
service_reopen_inet_listeners(service);
service_dup_fds(service);
drop_privileges(service);
process_exec(service->executable, NULL);
}
i_assert(hash_table_lookup(service_pids, POINTER_CAST(pid)) == NULL);
process = i_new(struct service_process, 1);
process->service = service;
process->refcount = 1;
process->pid = pid;
process->uid = uid;
if (process_forked) {
process->to_status =
timeout_add(SERVICE_FIRST_STATUS_TIMEOUT_SECS * 1000,
service_process_status_timeout, process);
}
process->available_count = service->client_limit;
service->process_count++;
service->process_avail++;
DLLIST_PREPEND(&service->processes, process);
service_list_ref(service->list);
hash_table_insert(service_pids, POINTER_CAST(process->pid), process);
if (service->type == SERVICE_TYPE_ANVIL && process_forked)
service_anvil_process_created(process);
return process;
}
struct sieve_instance *sieve_tool_init_finish
(struct sieve_tool *tool, bool init_mailstore, bool preserve_root)
{
enum mail_storage_service_flags storage_service_flags =
MAIL_STORAGE_SERVICE_FLAG_NO_CHDIR |
MAIL_STORAGE_SERVICE_FLAG_NO_LOG_INIT |
MAIL_STORAGE_SERVICE_FLAG_USE_SYSEXITS;
struct mail_storage_service_input service_input;
struct sieve_environment svenv;
const char *username = tool->username;
const char *homedir = tool->homedir;
const char *errstr;
master_service_init_finish(master_service);
if ( username == NULL ) {
sieve_tool_get_user_data(&username, &homedir);
username = tool->username = i_strdup(username);
if ( tool->homedir != NULL )
i_free(tool->homedir);
tool->homedir = i_strdup(homedir);
if ( preserve_root ) {
storage_service_flags |=
MAIL_STORAGE_SERVICE_FLAG_NO_RESTRICT_ACCESS;
}
} else {
storage_service_flags |=
MAIL_STORAGE_SERVICE_FLAG_USERDB_LOOKUP;
}
if ( !init_mailstore )
storage_service_flags |=
MAIL_STORAGE_SERVICE_FLAG_NO_NAMESPACES;
memset(&service_input, 0, sizeof(service_input));
service_input.module = "mail";
service_input.service = tool->name;
service_input.username = username;
tool->storage_service = mail_storage_service_init
(master_service, NULL, storage_service_flags);
if (mail_storage_service_lookup_next
(tool->storage_service, &service_input, &tool->service_user,
&tool->mail_user_dovecot, &errstr) <= 0)
i_fatal("%s", errstr);
if ( master_service_set
(master_service, "mail_full_filesystem_access=yes") < 0 )
i_unreached();
memset((void *)&svenv, 0, sizeof(svenv));
svenv.username = username;
(void)mail_user_get_home(tool->mail_user_dovecot, &svenv.home_dir);
svenv.hostname = my_hostdomain();
svenv.base_dir = tool->mail_user_dovecot->set->base_dir;
svenv.temp_dir = tool->mail_user_dovecot->set->mail_temp_dir;
svenv.location = SIEVE_ENV_LOCATION_MS;
svenv.delivery_phase = SIEVE_DELIVERY_PHASE_POST;
/* Initialize Sieve Engine */
if ( (tool->svinst=sieve_init
(&svenv, &sieve_tool_callbacks, tool, tool->debug)) == NULL )
i_fatal("failed to initialize sieve implementation");
/* Load Sieve plugins */
if ( array_count(&tool->sieve_plugins) > 0 ) {
sieve_tool_load_plugins(tool);
}
/* Set active Sieve extensions */
if ( tool->sieve_extensions != NULL ) {
sieve_set_extensions(tool->svinst, tool->sieve_extensions);
} else if ( tool->no_config ) {
sieve_set_extensions(tool->svinst, NULL);
}
return tool->svinst;
}
