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-rw-r--r--timsieved.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/timsieved.c b/timsieved.c
new file mode 100644
index 00000000..48313439
--- /dev/null
+++ b/timsieved.c
@@ -0,0 +1,315 @@
+/* $Id$
+* (c) 2000-2002 IC&S, The Netherlands
+*
+* timsieved.c
+*
+* main prg for tims daemon
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <errno.h>
+#include "imap4.h"
+#include "server.h"
+#include "debug.h"
+#include "misc.h"
+#include "dbmail.h"
+#include "clientinfo.h"
+#include "timsieve.h"
+#ifdef PROC_TITLES
+#include "proctitleutils.h"
+#endif
+
+
+#define PNAME "dbmail/timsieved"
+
+/* server timeout error */
+#define TIMS_TIMEOUT_MSG "221 Connection timeout BYE"
+
+struct list smtpItems;
+struct list timsItems;
+struct list sysItems;
+
+char *configFile = DEFAULT_CONFIG_FILE;
+
+/* set up database login data */
+extern db_param_t _db_params;
+
+void SetConfigItems(serverConfig_t *config, struct list *items);
+static int SetMainSigHandler(void);
+static void Daemonize(void);
+void MainSigHandler(int sig, siginfo_t *info, void *data);
+
+int tims_before_smtp = 0;
+int mainRestart = 0;
+int mainStop = 0;
+
+PopSession_t session;
+char *myhostname;
+char *timeout_setting;
+
+#ifdef PROC_TITLES
+int main(int argc, char *argv[], char **envp)
+#else
+ int main(int argc, char *argv[])
+#endif
+{
+ serverConfig_t config;
+ int result, status;
+ pid_t pid;
+
+ openlog(PNAME, LOG_PID, LOG_MAIL);
+
+ if (argc >= 2 && (argv[1]))
+ {
+ if (strcmp (argv[1],"-v") == 0)
+ {
+ printf ("\n*** DBMAIL: dbmail-timsieved version $Revision$ %s\n\n",COPYRIGHT);
+ return 0;
+ }
+ else
+ if (strcmp(argv[1],"-f")==0 && (argv[2]))
+ configFile = argv[2];
+ }
+
+ SetMainSigHandler();
+ Daemonize();
+ result = 0;
+
+ do
+ {
+ mainStop = 0;
+ mainRestart = 0;
+
+ trace(TRACE_DEBUG, "main(): reading config");
+#ifdef PROC_TITLES
+ init_set_proc_title(argc, argv, envp, PNAME);
+ set_proc_title("%s", "Idle");
+#endif
+
+ /* We need smtp config for bounce.c and forward.c */
+ ReadConfig("SMTP", configFile, &smtpItems);
+ ReadConfig("TIMSIEVED", configFile, &timsItems);
+ ReadConfig("DBMAIL", configFile, &sysItems);
+ SetConfigItems(&config, &timsItems);
+ SetTraceLevel(&timsItems);
+ GetDBParams(&_db_params, &sysItems);
+
+ config.ClientHandler = tims_handle_connection;
+ config.timeoutMsg = TIMS_TIMEOUT_MSG;
+
+ CreateSocket(&config);
+ trace(TRACE_DEBUG, "main(): socket created, starting server");
+
+ switch ( (pid = fork()) )
+ {
+ case -1:
+ close(config.listenSocket);
+ trace(TRACE_FATAL, "main(): fork failed [%s]", strerror(errno));
+
+ case 0:
+ /* child process */
+ drop_privileges(config.serverUser, config.serverGroup);
+ result = StartServer(&config);
+
+ trace(TRACE_INFO, "main(): server done, exit.");
+ exit(result);
+
+ default:
+ /* parent process, wait for child to exit */
+ while (waitpid(pid, &status, WNOHANG|WUNTRACED) == 0)
+ {
+ if (mainStop)
+ kill(pid, SIGTERM);
+
+ if (mainRestart)
+ kill(pid, SIGHUP);
+
+ sleep(2);
+ }
+
+ if (WIFEXITED(status))
+ {
+ /* child process terminated neatly */
+ result = WEXITSTATUS(status);
+ trace(TRACE_DEBUG, "main(): server has exited, exit status [%d]", result);
+ }
+ else
+ {
+ /* child stopped or signaled, don't like */
+ /* make sure it is dead */
+ trace(TRACE_DEBUG, "main(): server has not exited normally. Killing..");
+
+ kill(pid, SIGKILL);
+ result = 0;
+ }
+ }
+
+ list_freelist(&smtpItems.start);
+ list_freelist(&timsItems.start);
+ list_freelist(&sysItems.start);
+ close(config.listenSocket);
+
+ } while (result == 1 && !mainStop) ; /* 1 means reread-config and restart */
+
+ trace(TRACE_INFO, "main(): exit");
+ return 0;
+}
+
+
+void MainSigHandler(int sig, siginfo_t *info, void *data)
+{
+ trace(TRACE_DEBUG, "MainSigHandler(): got signal [%d]", sig);
+
+ if (sig == SIGHUP)
+ mainRestart = 1;
+ else
+ mainStop = 1;
+}
+
+
+void Daemonize()
+{
+ if (fork())
+ exit(0);
+ setsid();
+
+ if (fork())
+ exit(0);
+}
+
+
+int SetMainSigHandler()
+{
+ struct sigaction act;
+
+ /* init & install signal handlers */
+ memset(&act, 0, sizeof(act));
+
+ act.sa_sigaction = MainSigHandler;
+ sigemptyset(&act.sa_mask);
+ act.sa_flags = SA_SIGINFO;
+
+ sigaction(SIGINT, &act, 0);
+ sigaction(SIGQUIT, &act, 0);
+ sigaction(SIGTERM, &act, 0);
+ sigaction(SIGHUP, &act, 0);
+
+ return 0;
+}
+
+
+void SetConfigItems(serverConfig_t *config, struct list *items)
+{
+ field_t val;
+
+ /* read items: NCHILDREN */
+ GetConfigValue("NCHILDREN", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_FATAL, "SetConfigItems(): no value for NCHILDREN in config file");
+
+ if ( (config->nChildren = atoi(val)) <= 0)
+ trace(TRACE_FATAL, "SetConfigItems(): value for NCHILDREN is invalid: [%d]", config->nChildren);
+
+ trace(TRACE_DEBUG, "SetConfigItems(): server will create [%d] children", config->nChildren);
+
+
+ /* read items: MAXCONNECTS */
+ GetConfigValue("MAXCONNECTS", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_FATAL, "SetConfigItems(): no value for MAXCONNECTS in config file");
+
+ if ( (config->childMaxConnect = atoi(val)) <= 0)
+ trace(TRACE_FATAL, "SetConfigItems(): value for MAXCONNECTS is invalid: [%d]", config->childMaxConnect);
+
+ trace(TRACE_DEBUG, "SetConfigItems(): children will make max. [%d] connections", config->childMaxConnect);
+
+
+ /* read items: TIMEOUT */
+ GetConfigValue("TIMEOUT", items, val);
+ if (strlen(val) == 0)
+ {
+ trace(TRACE_DEBUG, "SetConfigItems(): no value for TIMEOUT in config file");
+ config->timeout = 0;
+ }
+ else if ( (config->timeout = atoi(val)) <= 30)
+ trace(TRACE_FATAL, "SetConfigItems(): value for TIMEOUT is invalid: [%d]", config->timeout);
+
+ trace(TRACE_DEBUG, "SetConfigItems(): timeout [%d] seconds", config->timeout);
+
+
+ /* read items: PORT */
+ GetConfigValue("PORT", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_FATAL, "SetConfigItems(): no value for PORT in config file");
+
+ if ( (config->port = atoi(val)) <= 0)
+ trace(TRACE_FATAL, "SetConfigItems(): value for PORT is invalid: [%d]", config->port);
+
+ trace(TRACE_DEBUG, "SetConfigItems(): binding to PORT [%d]", config->port);
+
+
+ /* read items: BINDIP */
+ GetConfigValue("BINDIP", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_FATAL, "SetConfigItems(): no value for BINDIP in config file");
+
+ strncpy(config->ip, val, IPLEN);
+ config->ip[IPLEN-1] = '\0';
+
+ trace(TRACE_DEBUG, "SetConfigItems(): binding to IP [%s]", config->ip);
+
+
+ /* read items: RESOLVE_IP */
+ GetConfigValue("RESOLVE_IP", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_DEBUG, "SetConfigItems(): no value for RESOLVE_IP in config file");
+
+ config->resolveIP = (strcasecmp(val, "yes") == 0);
+
+ trace(TRACE_DEBUG, "SetConfigItems(): %sresolving client IP", config->resolveIP ? "" : "not ");
+
+
+ /* read items: IMAP-BEFORE-SMTP */
+ GetConfigValue("TIMS_BEFORE_SMTP", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_DEBUG, "SetConfigItems(): no value for TIMS_BEFORE_SMTP in config file");
+
+ tims_before_smtp = (strcasecmp(val, "yes") == 0);
+
+ trace(TRACE_DEBUG, "SetConfigItems(): %s TIMS-before-SMTP",
+ tims_before_smtp ? "Enabling" : "Disabling");
+
+
+ /* read items: EFFECTIVE-USER */
+ GetConfigValue("EFFECTIVE_USER", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_FATAL, "SetConfigItems(): no value for EFFECTIVE_USER in config file");
+
+ strncpy(config->serverUser, val, FIELDSIZE);
+ config->serverUser[FIELDSIZE-1] = '\0';
+
+ trace(TRACE_DEBUG, "SetConfigItems(): effective user shall be [%s]", config->serverUser);
+
+
+ /* read items: EFFECTIVE-GROUP */
+ GetConfigValue("EFFECTIVE_GROUP", items, val);
+ if (strlen(val) == 0)
+ trace(TRACE_FATAL, "SetConfigItems(): no value for EFFECTIVE_GROUP in config file");
+
+ strncpy(config->serverGroup, val, FIELDSIZE);
+ config->serverGroup[FIELDSIZE-1] = '\0';
+
+ trace(TRACE_DEBUG, "SetConfigItems(): effective group shall be [%s]", config->serverGroup);
+
+
+
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-24 12:13:32 +0000