--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pop3/main.c	Mon Jan 27 07:45:47 2003 +0200
@@ -0,0 +1,141 @@
+/* Copyright (C) 2002-2003 Timo Sirainen */
+
+#include "common.h"
+#include "ioloop.h"
+#include "lib-signals.h"
+#include "restrict-access.h"
+#include "fd-close-on-exec.h"
+#include "process-title.h"
+#include "mail-storage.h"
+
+#include <stdlib.h>
+#include <syslog.h>
+
+#define IS_STANDALONE() \
+        (getenv("LOGGED_IN") == NULL)
+
+struct ioloop *ioloop;
+static char log_prefix[128]; /* syslog() needs this to be permanent */
+
+static void sig_quit(int signo __attr_unused__)
+{
+	io_loop_stop(ioloop);
+}
+
+static void open_logfile(void)
+{
+	const char *user;
+
+	user = getenv("USER");
+	if (user == NULL) user = "??";
+	if (strlen(user) >= sizeof(log_prefix)-6) {
+		/* quite a long user name, cut it */
+		user = t_strndup(user, sizeof(log_prefix)-6-2);
+		user = t_strconcat(user, "..", NULL);
+	}
+	i_snprintf(log_prefix, sizeof(log_prefix), "pop3(%s)", user);
+
+	if (getenv("USE_SYSLOG") != NULL)
+		i_set_failure_syslog(log_prefix, LOG_NDELAY, LOG_MAIL);
+	else {
+		/* log to file or stderr */
+		i_set_failure_file(getenv("LOGFILE"), log_prefix);
+	}
+
+	if (getenv("INFOLOGFILE") != NULL)
+		i_set_info_file(getenv("INFOLOGFILE"));
+
+	i_set_failure_timestamp_format(getenv("LOGSTAMP"));
+}
+
+static void drop_privileges(void)
+{
+	/* Log file or syslog opening probably requires roots */
+	open_logfile();
+
+	restrict_access_by_env(!IS_STANDALONE());
+}
+
+static void main_init(void)
+{
+	struct client *client;
+	struct mail_storage *storage;
+	struct mailbox *mailbox;
+	const char *mail;
+
+	lib_init_signals(sig_quit);
+
+	if (getenv("USER") == NULL)
+		i_fatal("USER environment missing");
+
+	mail_storage_register_all();
+	clients_init();
+
+	mail = getenv("MAIL");
+	if (mail == NULL) {
+		/* support also maildir-specific environment */
+		mail = getenv("MAILDIR");
+		if (mail != NULL)
+			mail = t_strconcat("maildir:", mail, NULL);
+	}
+
+	storage = mail_storage_create_with_data(mail, getenv("USER"));
+	if (storage == NULL) {
+		/* failed */
+		if (mail != NULL && *mail != '\0')
+			i_fatal("Failed to create storage with data: %s", mail);
+		else {
+			const char *home;
+
+			home = getenv("HOME");
+			if (home == NULL) home = "not set";
+
+			i_fatal("MAIL environment missing and "
+				"autodetection failed (home %s)", home);
+		}
+	}
+
+	mailbox = storage->open_mailbox(storage, "INBOX", FALSE, FALSE);
+	if (mailbox == NULL)
+		i_fatal("No INBOX for user");
+
+	client = client_create(0, 1, mailbox);
+}
+
+static void main_deinit(void)
+{
+	/* warn about being killed because of some signal, except SIGINT (^C)
+	   which is too common at least while testing :) */
+	if (lib_signal_kill != 0 && lib_signal_kill != 2)
+		i_warning("Killed with signal %d", lib_signal_kill);
+
+	clients_deinit();
+
+	closelog();
+}
+
+int main(int argc __attr_unused__, char *argv[], char *envp[])
+{
+#ifdef DEBUG
+	if (getenv("LOGGED_IN") != NULL) {
+		fd_debug_verify_leaks(3, 1024);
+		putenv("DISABLE_ALARMHUP=1"); /* annoying when debugging */
+	}
+#endif
+	/* NOTE: we start rooted, so keep the code minimal until
+	   restrict_access_by_env() is called */
+	lib_init();
+	drop_privileges();
+
+        process_title_init(argv, envp);
+	ioloop = io_loop_create(system_pool);
+
+	main_init();
+        io_loop_run(ioloop);
+	main_deinit();
+
+	io_loop_destroy(ioloop);
+	lib_deinit();
+
+	return 0;
+}