Added code to rebuild citadel.control if it gets deleted some how.
[citadel.git] / citadel / server_main.c
index 3fb00e3c706b54caa96bbcd09ed88177b9f56dce..f13a77361275d59f30c74137d8a239049fdf9a3f 100644 (file)
 #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
@@ -64,8 +68,8 @@
 #ifndef HAVE_SNPRINTF
 #include "snprintf.h"
 #endif
-
-int running_as_daemon = 0;
+const char *CitadelServiceUDS="citadel-UDS";
+const char *CitadelServiceTCP="citadel-TCP";
 
 /*
  * Here's where it all begins.
@@ -74,7 +78,8 @@ int main(int argc, char **argv)
 {
        char facility[32];
        int a, i;                       /* General-purpose variables */
-       struct passwd *pw;
+       struct passwd pw, *pwp = NULL;
+       char pwbuf[SIZ];
        int drop_root_perms = 1;
        size_t size;
        int relh=0;
@@ -84,6 +89,14 @@ int main(int argc, char **argv)
 #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 lprintf for thread safety
+        */
+       InitialiseSemaphores();
        
        /* initialize the master context */
        InitializeMasterCC();
@@ -146,25 +159,40 @@ int main(int argc, char **argv)
        }
 
        calc_dirs_n_files(relh, home, relhome, ctdldir);
-
        /* 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
         * facilities when we need to...
         */
        if (enable_syslog) {
-               if (running_as_daemon) {
-                       openlog("citadel", LOG_NDELAY, 0);
-               }
-               else {
-                       openlog("citadel", LOG_PERROR|LOG_NDELAY, 0);
-               }
+               openlog("citadel", LOG_NDELAY, 0);
                setlogmask(LOG_UPTO(verbosity));
        }
        
@@ -188,17 +216,17 @@ int main(int argc, char **argv)
        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. */
 
        if (stat(ctdl_run_dir, &filestats)==-1){
-               pw=getpwuid(config.c_ctdluid);
+#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
                mkdir(ctdl_run_dir, 0755);
-               chown(ctdl_run_dir, config.c_ctdluid, (pw==NULL)?-1:pw->pw_gid);
-
+               chown(ctdl_run_dir, config.c_ctdluid, (pwp==NULL)?-1:pw.pw_gid);
        }
                        
 
@@ -212,14 +240,18 @@ int main(int argc, char **argv)
         */
        master_startup();
 
+       lprintf(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).
@@ -228,28 +260,50 @@ int main(int argc, char **argv)
                                NULL,
                                citproto_begin_session,
                                do_command_loop,
-                               do_async_loop);
+                               do_async_loop,
+                               CitadelServiceTCP);
 
        /*
         * Load any server-side extensions available here.
         */
        lprintf(CTDL_INFO, "Initializing server extensions\n");
        size = strlen(ctdl_home_directory) + 9;
+       
+/*
        initialize_server_extensions();
+*/
+       
+       initialise_modules();
+       
+       
+
+       /*
+        * 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) {
-               if ((pw = getpwuid(CTDLUID)) == NULL)
+               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"
                                   "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,
+                       initgroups(pw.pw_name, pw.pw_gid);
+                       if (setgid(pw.pw_gid))
+                               lprintf(CTDL_CRIT, "setgid(%ld): %s\n", (long)pw.pw_gid,
                                        strerror(errno));
                }
                lprintf(CTDL_INFO, "Changing uid to %ld\n", (long)CTDLUID);
@@ -275,7 +329,7 @@ int main(int argc, char **argv)
        }
        end_critical_section(S_WORKER_LIST);
 
-       /* Create the indexer thread. */
+       /* Create the maintenance threads. */
        create_maintenance_threads();
 
        /* This thread is now useless.  It can't be turned into a worker