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/* Copyright (c) 2005-2018 Dovecot authors, see the included COPYING file */
#include "lib.h"
#include "lib-signals.h"
#include "hostpid.h"
#include "restrict-access.h"
#include "master-interface.h"
#include "master-service-private.h"
#include "master-service-settings.h"
#include "log-error-buffer.h"
#include "log-connection.h"
#include "doveadm-connection.h"
#include <unistd.h>
bool verbose_proctitle;
char *global_log_prefix;
static struct log_error_buffer *errorbuf;
static void
sig_reopen_logs(const siginfo_t *si ATTR_UNUSED, void *context ATTR_UNUSED)
{
master_service->log_initialized = FALSE;
master_service_init_log_with_prefix(master_service, global_log_prefix);
}
static void main_init(void)
{
lib_signals_set_handler(SIGUSR1, LIBSIG_FLAGS_SAFE,
sig_reopen_logs, NULL);
errorbuf = log_error_buffer_init();
log_connections_init();
}
static void main_deinit(void)
{
log_connections_deinit();
log_error_buffer_deinit(&errorbuf);
i_free(global_log_prefix);
}
static void client_connected(struct master_service_connection *conn)
{
if (conn->fifo) {
log_connection_create(errorbuf, conn->fd, conn->listen_fd);
/* kludge: normally FIFOs aren't counted as connections,
but here we want log process to stay open until all writers
have closed */
conn->fifo = FALSE;
} else if (strcmp(conn->name, "log-errors") == 0)
doveadm_connection_create(errorbuf, conn->fd);
else {
i_error("Unknown listener name: %s", conn->name);
return;
}
master_service_client_connection_accept(conn);
}
int main(int argc, char *argv[])
{
const enum master_service_flags service_flags =
MASTER_SERVICE_FLAG_DONT_SEND_STATS;
const char *error;
master_service = master_service_init("log", service_flags,
&argc, &argv, "");
/* use log prefix and log to stderr until we've configured the real
logging */
global_log_prefix = i_strdup_printf("log(%s): ", my_pid);
i_set_failure_file("/dev/stderr", global_log_prefix);
if (master_getopt(master_service) > 0)
return FATAL_DEFAULT;
if (master_service_settings_read_simple(master_service,
NULL, &error) < 0)
i_fatal("Error reading configuration: %s", error);
master_service_init_log_with_prefix(master_service, global_log_prefix);
verbose_proctitle = master_service_settings_get(master_service)->verbose_proctitle;
restrict_access_by_env(RESTRICT_ACCESS_FLAG_ALLOW_ROOT, NULL);
restrict_access_allow_coredumps(TRUE);
/* logging should never die if there are some clients */
master_service_set_die_with_master(master_service, FALSE);
main_init();
master_service_init_finish(master_service);
master_service_run(master_service, client_connected);
main_deinit();
master_service_deinit(&master_service);
return 0;
}
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