Mercurial > dovecot > core-2.2
view src/login-common/main.c @ 9159:6324a79d3ee1 HEAD
Initial commit for v2.0 master rewrite. Several features are still missing.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Thu, 23 Apr 2009 19:53:44 -0400 |
parents | f012c053aa5a |
children | 4a42f694b762 |
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/* Copyright (c) 2002-2009 Dovecot authors, see the included COPYING file */ #include "common.h" #include "ioloop.h" #include "randgen.h" #include "restrict-access.h" #include "restrict-process-size.h" #include "process-title.h" #include "master-auth.h" #include "master-service.h" #include "master-interface.h" #include "client-common.h" #include "auth-client.h" #include "ssl-proxy.h" #include "login-proxy.h" #include <stdlib.h> #include <unistd.h> #include <syslog.h> struct auth_client *auth_client; bool closing_down; struct master_service *service; struct login_settings *login_settings; static bool ssl_connections = FALSE; static void client_connected(const struct master_service_connection *conn) { struct client *client; struct ssl_proxy *proxy; struct ip_addr local_ip; unsigned int local_port; int fd_ssl; if (net_getsockname(conn->fd, &local_ip, &local_port) < 0) { memset(&local_ip, 0, sizeof(local_ip)); local_port = 0; } // FIXME: a global ssl_connections isn't enough! if (!ssl_connections) { client = client_create(conn->fd, FALSE, &local_ip, &conn->remote_ip); } else { fd_ssl = ssl_proxy_new(conn->fd, &conn->remote_ip, &proxy); if (fd_ssl == -1) { net_disconnect(conn->fd); return; } client = client_create(fd_ssl, TRUE, &local_ip, &conn->remote_ip); client->proxying = TRUE; client->proxy = proxy; } client->remote_port = conn->remote_port; client->local_port = local_port; } static void auth_connect_notify(struct auth_client *client ATTR_UNUSED, bool connected, void *context ATTR_UNUSED) { if (connected) clients_notify_auth_connected(); } static void main_preinit(void) { unsigned int max_fds; random_init(); /* Initialize SSL proxy so it can read certificate and private key file. */ ssl_proxy_init(); /* set the number of fds we want to use. it may get increased or decreased. leave a couple of extra fds for auth sockets and such. normal connections each use one fd, but SSL connections use two */ max_fds = MASTER_LISTEN_FD_FIRST + 16 + master_service_get_socket_count(service) + login_settings->login_max_connections*2; restrict_fd_limit(max_fds); io_loop_set_max_fd_count(current_ioloop, max_fds); i_assert(strcmp(login_settings->ssl, "no") == 0 || ssl_initialized); restrict_access_by_env(NULL, TRUE); } static void main_init(void) { /* make sure we can't fork() */ restrict_process_size((unsigned int)-1, 1); if (restrict_access_get_current_chroot() == NULL) { if (chdir("login") < 0) i_fatal("chdir(login) failed: %m"); } auth_client = auth_client_new((unsigned int)getpid()); auth_client_set_connect_notify(auth_client, auth_connect_notify, NULL); clients_init(); master_auth_init(service); } static void main_deinit(void) { ssl_proxy_deinit(); login_proxy_deinit(); if (auth_client != NULL) auth_client_free(&auth_client); clients_deinit(); master_auth_deinit(service); } int main(int argc, char *argv[], char *envp[]) { const char *getopt_str; int c; //FIXME:is_inetd = getenv("DOVECOT_MASTER") == NULL; service = master_service_init(login_process_name, 0, argc, argv); master_service_init_log(service, t_strconcat(login_process_name, ": ", NULL), 0); getopt_str = t_strconcat("DS", master_service_getopt_string(), NULL); while ((c = getopt(argc, argv, getopt_str)) > 0) { switch (c) { case 'D': restrict_access_allow_coredumps(TRUE); break; case 'S': ssl_connections = TRUE; break; default: if (!master_service_parse_option(service, c, optarg)) exit(FATAL_DEFAULT); break; } } #if 0 if (is_inetd) { /* running from inetd. create master process before dropping privileges. */ master_fd = master_connect(t_strcut(login_process_name, '-')); } #endif process_title_init(argv, envp); login_settings = login_settings_read(service); main_preinit(); master_service_init_finish(service); main_init(); master_service_run(service, client_connected); main_deinit(); master_service_deinit(&service); return 0; }