Copyright dates are now 2008.
[citadel.git] / citadel / server_main.c
index d831ec0f5dc14cfcd5628e6abcc67d5a5613e316..a0d7b31f742a0ed1a19d52d7bd18fdd35a8b3d64 100644 (file)
 #include <stdarg.h>
 #include <grp.h>
 #include <pwd.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
 #ifdef HAVE_SYS_PRCTL_H
 #include <sys/prctl.h>
 #endif
+#include <libcitadel.h>
 #include "citadel.h"
 #include "server.h"
 #include "serv_extensions.h"
 #include "sysdep_decls.h"
+#include "threads.h"
 #include "citserver.h"
 #include "support.h"
 #include "config.h"
 #include "control.h"
 #include "database.h"
+#include "user_ops.h"
 #include "housekeeping.h"
-#include "tools.h"
 #include "citadel_dirs.c"
 
+#include "modules_init.h"
+#include "ecrash.h"
+
 #ifdef HAVE_SYS_SELECT_H
 #include <sys/select.h>
 #endif
 #ifndef HAVE_SNPRINTF
 #include "snprintf.h"
 #endif
+const char *CitadelServiceUDS="citadel-UDS";
+const char *CitadelServiceTCP="citadel-TCP";
+
+
+void go_threading(void);
 
-int running_as_daemon = 0;
 
 /*
  * Here's where it all begins.
@@ -73,18 +79,28 @@ int running_as_daemon = 0;
 int main(int argc, char **argv)
 {
        char facility[32];
-       int a, i;                       /* General-purpose variables */
+       int a;                  /* General-purpose variables */
        struct passwd pw, *pwp = NULL;
        char pwbuf[SIZ];
        int drop_root_perms = 1;
        size_t size;
        int relh=0;
        int home=0;
+       int dbg=0;
        char relhome[PATH_MAX]="";
        char ctdldir[PATH_MAX]=CTDLDIR;
 #ifdef HAVE_RUN_DIR
        struct stat filestats;
 #endif
+#ifdef HAVE_BACKTRACE
+       eCrashParameters params;
+//     eCrashSymbolTable symbol_table;
+#endif
+       /* initialise semaphores here. Patch by Matt and davew
+        * its called here as they are needed by CtdlLogPrintf for thread safety
+        */
+       CtdlInitBase64Table();
+       InitialiseSemaphores();
        
        /* initialize the master context */
        InitializeMasterCC();
@@ -127,6 +143,10 @@ int main(int argc, char **argv)
                        do_defrag = 1;
                }
 
+               else if (!strncmp(argv[a], "-D", 2)) {
+                       dbg = 1;
+               }
+
                /* -r tells the server not to drop root permissions. don't use
                 * this unless you know what you're doing. this should be
                 * removed in the next release if it proves unnecessary. */
@@ -135,10 +155,10 @@ int main(int argc, char **argv)
 
                /* any other parameter makes it crash and burn */
                else {
-                       lprintf(CTDL_EMERG,     "citserver: usage: "
+                       CtdlLogPrintf(CTDL_EMERG,       "citserver: usage: "
                                        "citserver "
                                        "[-lLogFacility] "
-                                       "[-d] [-f]"
+                                       "[-d] [-f] [-D] "
                                        " [-tTraceFile]"
                                        " [-xLogLevel] [-hHomeDir]\n");
                        exit(1);
@@ -146,14 +166,34 @@ int main(int argc, char **argv)
 
        }
 
-       calc_dirs_n_files(relh, home, relhome, ctdldir);
-
+       calc_dirs_n_files(relh, home, relhome, ctdldir, dbg);
        /* daemonize, if we were asked to */
        if (running_as_daemon) {
                start_daemon(0);
                drop_root_perms = 1;
        }
 
+#ifdef HAVE_BACKTRACE
+       bzero(&params, sizeof(params));
+       params.filename = file_pid_paniclog;
+       panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
+       params.filep = fopen(file_pid_paniclog, "a+");
+       params.debugLevel = ECRASH_DEBUG_VERBOSE;
+       params.dumpAllThreads = TRUE;
+       params.useBacktraceSymbols = 1;
+///    BuildSymbolTable(&symbol_table);
+//     params.symbolTable = &symbol_table;
+       params.signals[0]=SIGSEGV;
+       params.signals[1]=SIGILL;
+       params.signals[2]=SIGBUS;
+       params.signals[3]=SIGABRT;
+
+       eCrash_Init(&params);
+               
+       eCrash_RegisterThread("MasterThread", 0);
+
+///    signal(SIGSEGV, cit_panic_backtrace);
+#endif
        /* Initialize the syslogger.  Yes, we are really using 0 as the
         * facility, because we are going to bitwise-OR the facility to
         * the severity of each message, allowing us to write to other
@@ -165,28 +205,26 @@ int main(int argc, char **argv)
        }
        
        /* Tell 'em who's in da house */
-       lprintf(CTDL_NOTICE, "\n");
-       lprintf(CTDL_NOTICE, "\n");
-       lprintf(CTDL_NOTICE,
+       CtdlLogPrintf(CTDL_NOTICE, "\n");
+       CtdlLogPrintf(CTDL_NOTICE, "\n");
+       CtdlLogPrintf(CTDL_NOTICE,
                "*** Citadel server engine v%d.%02d ***\n",
                (REV_LEVEL/100), (REV_LEVEL%100));
-       lprintf(CTDL_NOTICE,
-               "Copyright (C) 1987-2007 by the Citadel development team.\n");
-       lprintf(CTDL_NOTICE,
+       CtdlLogPrintf(CTDL_NOTICE,
+               "Copyright (C) 1987-2008 by the Citadel development team.\n");
+       CtdlLogPrintf(CTDL_NOTICE,
                "This program is distributed under the terms of the GNU "
                "General Public License.\n");
-       lprintf(CTDL_NOTICE, "\n");
-       lprintf(CTDL_DEBUG, "Called as: %s\n", argv[0]);
+       CtdlLogPrintf(CTDL_NOTICE, "\n");
+       CtdlLogPrintf(CTDL_DEBUG, "Called as: %s\n", argv[0]);
+       CtdlLogPrintf(CTDL_INFO, "%s\n", libcitadel_version_string());
 
        /* Load site-specific parameters, and set the ipgm secret */
-       lprintf(CTDL_INFO, "Loading citadel.config\n");
+       CtdlLogPrintf(CTDL_INFO, "Loading citadel.config\n");
        get_config();
        config.c_ipgm_secret = rand();
        put_config();
 
-       lprintf(CTDL_INFO, "Acquiring control record\n");
-       get_control();
-
 #ifdef HAVE_RUN_DIR
        /* on some dists rundir gets purged on startup. so we need to recreate it. */
 
@@ -211,14 +249,18 @@ int main(int argc, char **argv)
         */
        master_startup();
 
+       CtdlLogPrintf(CTDL_INFO, "Acquiring control record\n");
+       get_control();
+
        /*
         * Bind the server to a Unix-domain socket.
         */
        CtdlRegisterServiceHook(0,
-                                                       file_citadel_socket,
-                                                       citproto_begin_session,
-                                                       do_command_loop,
-                                                       do_async_loop);
+                               file_citadel_socket,
+                               citproto_begin_session,
+                               do_command_loop,
+                               do_async_loop,
+                               CitadelServiceUDS);
 
        /*
         * Bind the server to our favorite TCP port (usually 504).
@@ -227,38 +269,59 @@ int main(int argc, char **argv)
                                NULL,
                                citproto_begin_session,
                                do_command_loop,
-                               do_async_loop);
+                               do_async_loop,
+                               CitadelServiceTCP);
 
+                               
+       /*
+        * Run any upgrade entry points
+        */
+       CtdlLogPrintf(CTDL_INFO, "Upgrading modules.\n");
+       upgrade_modules();
+       
+       
        /*
         * Load any server-side extensions available here.
         */
-       lprintf(CTDL_INFO, "Initializing server extensions\n");
+       CtdlLogPrintf(CTDL_INFO, "Initializing server extensions\n");
        size = strlen(ctdl_home_directory) + 9;
-       initialize_server_extensions();
+       
+       initialise_modules(0);
+       
+       
+
+       /*
+        * If we need host auth, start our chkpwd daemon.
+        */
+       if (config.c_auth_mode == 1) {
+               start_chkpwd_daemon();
+       }
 
        /*
         * Now that we've bound the sockets, change to the Citadel user id and its
         * corresponding group ids
         */
        if (drop_root_perms) {
+               cdb_chmod_data();       /* make sure we own our data files */
+
 #ifdef SOLARIS_GETPWUID
                pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
 #else
                getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
 #endif
                if (pwp == NULL)
-                       lprintf(CTDL_CRIT, "WARNING: getpwuid(%ld): %s\n"
+                       CtdlLogPrintf(CTDL_CRIT, "WARNING: getpwuid(%ld): %s\n"
                                   "Group IDs will be incorrect.\n", (long)CTDLUID,
                                strerror(errno));
                else {
                        initgroups(pw.pw_name, pw.pw_gid);
                        if (setgid(pw.pw_gid))
-                               lprintf(CTDL_CRIT, "setgid(%ld): %s\n", (long)pw.pw_gid,
+                               CtdlLogPrintf(CTDL_CRIT, "setgid(%ld): %s\n", (long)pw.pw_gid,
                                        strerror(errno));
                }
-               lprintf(CTDL_INFO, "Changing uid to %ld\n", (long)CTDLUID);
+               CtdlLogPrintf(CTDL_INFO, "Changing uid to %ld\n", (long)CTDLUID);
                if (setuid(CTDLUID) != 0) {
-                       lprintf(CTDL_CRIT, "setuid() failed: %s\n", strerror(errno));
+                       CtdlLogPrintf(CTDL_CRIT, "setuid() failed: %s\n", strerror(errno));
                }
 #if defined (HAVE_SYS_PRCTL_H) && defined (PR_SET_DUMPABLE)
                prctl(PR_SET_DUMPABLE, 1);
@@ -268,26 +331,9 @@ int main(int argc, char **argv)
        /* We want to check for idle sessions once per minute */
        CtdlRegisterSessionHook(terminate_idle_sessions, EVT_TIMER);
 
-       /*
-        * Now create a bunch of worker threads.
-        */
-       lprintf(CTDL_DEBUG, "Starting %d worker threads\n",
-               config.c_min_workers-1);
-       begin_critical_section(S_WORKER_LIST);
-       for (i=0; i<(config.c_min_workers-1); ++i) {
-               create_worker();
-       }
-       end_critical_section(S_WORKER_LIST);
-
-       /* Create the indexer thread. */
-       create_maintenance_threads();
-
-       /* This thread is now useless.  It can't be turned into a worker
-        * thread because its stack is too small, but it can't be killed
-        * either because the whole server process would exit.  So we just
-        * join to the first worker thread and exit when it exits.
-        */
-       pthread_join(worker_list->tid, NULL);
-       master_cleanup(0);
+       go_threading();
+       
+       
+       master_cleanup(exit_signal);
        return(0);
 }