use StrBuf to create startup failure messages.
[citadel.git] / citadel / serv_extensions.c
index 7af3da5341b055b6593346ea6ca8f2fd8d189337..4f2ddfa1fb38b707b2764a6340fc6834727b0fb7 100644 (file)
@@ -1,9 +1,22 @@
 /*
- * $Id$
- *
  * Citadel Dynamic Loading Module
  * Written by Brian Costello <btx@calyx.net>
  *
+ * Copyright (c) 1987-2011 by the citadel.org team
+ *
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 
 #include "sysdep.h"
 #include <string.h>
 #include <limits.h>
 #include <ctype.h>
+#include <syslog.h>
+#include <libcitadel.h>
 #include "citadel.h"
 #include "server.h"
 #include "serv_extensions.h"
 #include "sysdep_decls.h"
 #include "msgbase.h"
-#include "tools.h"
 #include "config.h"
 
 #include "modules/crypto/serv_crypto.h"        /* Needed until a universal crypto startup hook is implimented for CtdlStartTLS */
 
+#include "ctdl_module.h"
+
 #ifndef HAVE_SNPRINTF
 #include <stdarg.h>
 #include "snprintf.h"
@@ -40,144 +56,155 @@ struct DeleteFunctionHook *DeleteHookTable = NULL;
 struct ServiceFunctionHook *ServiceHookTable = NULL;
 struct FixedOutputHook *FixedOutputTable = NULL;
 struct RoomFunctionHook *RoomHookTable = NULL;
-struct MaintenanceThreadHook *MaintenanceThreadHookTable = NULL;
 struct SearchFunctionHook *SearchFunctionHookTable = NULL;
 
 struct ProtoFunctionHook {
        void (*handler) (char *cmdbuf);
-       char *cmd;
-       char *desc;
-       struct ProtoFunctionHook *next;
-} *ProtoHookList = NULL;
+       const char *cmd;
+       const char *desc;
+};
+
+HashList *ProtoHookList = NULL;
 
 
 #define ERR_PORT (1 << 1)
 
 
-static char *portlist = NULL;
-static size_t nSizPort = 0;
+static StrBuf *portlist = NULL;
 
-static char *errormessages = NULL;
-size_t nSizErrmsg = 0;
+static StrBuf *errormessages = NULL;
 
 
 long   DetailErrorFlags;
-
+ConstStr Empty = {HKEY("")};
 char *ErrSubject = "Startup Problems";
-char *ErrGeneral = "Citadel had trouble on starting up. %s This means, citadel won't be the service provider for a specific service you configured it to.\n\n"
-"If you don't want citadel to provide these services, turn them off in WebCit via %s%s\n\n%s\n\n"
-"To make both ways actualy take place restart the citserver with \"sendcommand down\"\n\n"
-"The errors returned by the system were:\n%s\n"
-"You can recheck the above if you follow this faq item:\n"
-"http://www.citadel.org/doku.php/faq:mastering_your_os:net#netstat";
-
-
-char *ErrPortShort = "We couldn't bind all ports you configured to be provided by citadel server.";
-char *ErrPortWhere = "Admin->System Preferences->Network.\n\nThe failed ports and sockets are: ";
-char *ErrPortHint = "If you want citadel to provide you with that functionality, "
-"check the output of \"netstat -lnp\" on linux Servers or \"netstat -na\" on *BSD"
-" and stop the programm, that binds these ports. You should eventually remove "
-" their initscripts in /etc/init.d so that you won't get this trouble once more.\n";
+ConstStr ErrGeneral[] = {
+       {HKEY("Citadel had trouble on starting up. ")},
+       {HKEY(" This means, citadel won't be the service provider for a specific service you configured it to.\n\n"
+             "If you don't want citadel to provide these services, turn them off in WebCit via: ")},
+       {HKEY("To make both ways actualy take place restart the citserver with \"sendcommand down\"\n\n"
+             "The errors returned by the system were:\n")},
+       {HKEY("You can recheck the above if you follow this faq item:\n"
+             "http://www.citadel.org/doku.php/faq:mastering_your_os:net#netstat")}
+};
+
+ConstStr ErrPortShort = { HKEY("We couldn't bind all ports you configured to be provided by citadel server.\n")};
+ConstStr ErrPortWhere = { HKEY("\"Admin->System Preferences->Network\".\n\nThe failed ports and sockets are: ")};
+ConstStr ErrPortHint  = { HKEY("If you want citadel to provide you with that functionality, "
+                              "check the output of \"netstat -lnp\" on linux Servers or \"netstat -na\" on *BSD"
+                              " and stop the program that binds these ports.\n You should eventually remove "
+                              " their initscripts in /etc/init.d so that you won't get this trouble once more.\n"
+                              " After that goto \"Administration -> Shutdown Citadel\" to make Citadel restart & retry to bind this port.\n")};
 
 
 void LogPrintMessages(long err)
 {
-       char *List, *DetailList, *Short, *Where, *Hint, *Message; 
-       int n = nSizPort + nSizErrmsg + 5;
+       StrBuf *Message;
+       StrBuf *List, *DetailList;
+       ConstStr *Short, *Where, *Hint; 
 
-       Message = (char*) malloc(n * SIZ);
+       
+       Message = NewStrBufPlain(NULL, 
+                                StrLength(portlist) + StrLength(errormessages));
+       
+       DetailErrorFlags = DetailErrorFlags & ~err;
 
        switch (err)
        {
        case ERR_PORT:
-               Short = ErrPortShort;
-               Where = ErrPortWhere;
-               Hint  = ErrPortHint;
+               Short = &ErrPortShort;
+               Where = &ErrPortWhere;
+               Hint  = &ErrPortHint;
                List  = portlist;
                DetailList = errormessages;
                break;
        default:
-               Short = "";
-               Where = "";
-               Hint  = "";
-               List  = "";
-               DetailList = "";
+               Short = &Empty;
+               Where = &Empty;
+               Hint  = &Empty;
+               List  = NULL;
+               DetailList = NULL;
        }
 
-
-       snprintf(Message, n * SIZ, ErrGeneral, Short, Where, List, Hint, DetailList);
-
-       lprintf(0,Message);
-       lprintf(0,ErrSubject);
-       quickie_message("Citadel", NULL, NULL, AIDEROOM, Message, FMT_FIXED, ErrSubject);
-       if (errormessages!=NULL) free (errormessages);
-       errormessages = NULL;
-       if (portlist!=NULL) free (portlist);
-       portlist = NULL;
-       free(Message);
+       StrBufAppendBufPlain(Message, CKEY(ErrGeneral[0]), 0);
+       StrBufAppendBufPlain(Message, CKEY(*Short), 0); 
+       StrBufAppendBufPlain(Message, CKEY(ErrGeneral[1]), 0);
+       StrBufAppendBufPlain(Message, CKEY(*Where), 0);
+       StrBufAppendBuf(Message, List, 0);
+       StrBufAppendBufPlain(Message, HKEY("\n\n"), 0);
+       StrBufAppendBufPlain(Message, CKEY(*Hint), 0);
+       StrBufAppendBufPlain(Message, HKEY("\n\n"), 0);
+       StrBufAppendBufPlain(Message, CKEY(ErrGeneral[2]), 0);
+       StrBufAppendBuf(Message, DetailList, 0);
+       StrBufAppendBufPlain(Message, HKEY("\n\n"), 0);
+       StrBufAppendBufPlain(Message, CKEY(ErrGeneral[3]), 0);
+
+       syslog(LOG_EMERG, "%s", ChrPtr(Message));
+       syslog(LOG_EMERG, "%s", ErrSubject);
+       quickie_message("Citadel", NULL, NULL, AIDEROOM, ChrPtr(Message), FMT_FIXED, ErrSubject);
+
+       FreeStrBuf(&Message);
+       FreeStrBuf(&List);
+       FreeStrBuf(&DetailList);
 }
 
 
-
-void AppendString(char **target, char *append, size_t *len, size_t rate)
+void AddPortError(char *Port, char *ErrorMessage)
 {
-       size_t oLen = 0;
-       long AddLen;
-       long RelPtr = 0;
+       long len;
 
-       AddLen = strlen(append);
+       DetailErrorFlags |= ERR_PORT;
 
-       if (*len == 0)
-       {
-               *len = rate;
+       len = StrLength(errormessages);
+       if (len > 0) StrBufAppendBufPlain(errormessages, HKEY("; "), 0);
+       else errormessages = NewStrBuf();
+       StrBufAppendBufPlain(errormessages, ErrorMessage, -1, 0);
 
-               *target = (char*)malloc (*len * SIZ);
-       }
-       else 
-       {
-               oLen = strlen(*target);
-               RelPtr = strlen(*target);
-               if (oLen + AddLen + 2 > *len * SIZ)
-               {
-                       char *Buff = *target;
-                       size_t NewSiz = *len + 10;
-                       *target = malloc (NewSiz * SIZ);
-                       memcpy (*target, Buff, NewSiz * SIZ);
-                       *len = NewSiz;
-               }
-       }
-       memcpy (*target + oLen, append, AddLen);
-       (*target)[oLen + AddLen + 1] = '\n';
-       (*target)[oLen + AddLen + 2] = '\0';
-}
 
-void AddPortError(char *Port, char *ErrorMessage)
-{
-       char *pos;
-       long len;
+       len = StrLength(portlist);
+       if (len > 0) StrBufAppendBufPlain(portlist, HKEY(";"), 0);
+       else portlist = NewStrBuf();
+       StrBufAppendBufPlain(portlist, Port, -1, 0);
+}
 
-       DetailErrorFlags |= ERR_PORT;
 
-       AppendString(&errormessages, ErrorMessage, &nSizErrmsg, 10);
-       AppendString(&portlist, Port, &nSizPort, 2);
+int DLoader_Exec_Cmd(char *cmdbuf)
+{
+       void *vP;
+       struct ProtoFunctionHook *p;
 
-       pos = strchr (portlist, ':');
-       if (pos != NULL) *pos = ';';
-       
-       len = strlen (errormessages);
-       if (nSizErrmsg * SIZ > len + 3)
-       {
-               errormessages[len] = ';';
-               errormessages[len+1] = ' ';
-               errormessages[len+2] = '\0';
-       }       
+       if (GetHash(ProtoHookList, cmdbuf, 4, &vP) && (vP != NULL)) {
+               p = (struct ProtoFunctionHook*) vP;
+               p->handler(&cmdbuf[5]);
+               return 1;
+       }
+       return 0;
 }
 
+long FourHash(const char *key, long length) 
+{
+       int i;
+       int ret = 0;
+       const unsigned char *ptr = (const unsigned char*)key;
+
+       for (i = 0; i < 4; i++, ptr ++) 
+               ret = (ret << 8) | 
+                       ( ((*ptr >= 'a') &&
+                          (*ptr <= 'z'))? 
+                         *ptr - 'a' + 'A': 
+                         *ptr);
+
+       return ret;
+}
 
 void CtdlRegisterProtoHook(void (*handler) (char *), char *cmd, char *desc)
 {
        struct ProtoFunctionHook *p;
 
+       if (ProtoHookList == NULL)
+               ProtoHookList = NewHash (1, FourHash);
+
+
        p = (struct ProtoFunctionHook *)
                malloc(sizeof(struct ProtoFunctionHook));
 
@@ -188,70 +215,15 @@ void CtdlRegisterProtoHook(void (*handler) (char *), char *cmd, char *desc)
        p->handler = handler;
        p->cmd = cmd;
        p->desc = desc;
-       p->next = ProtoHookList;
-       ProtoHookList = p;
-       lprintf(CTDL_INFO, "Registered server command %s (%s)\n", cmd, desc);
-}
-
-
-void CtdlUnregisterProtoHook(void (*handler) (char *), char *cmd)
-{
-       struct ProtoFunctionHook *cur = NULL;
-       struct ProtoFunctionHook *p = NULL;
-       struct ProtoFunctionHook *lastcur = NULL;
 
-       for (cur = ProtoHookList; 
-            cur != NULL; 
-            cur = (cur != NULL)? cur->next: NULL) {
-               /* This will also remove duplicates if any */
-               while (cur != NULL &&
-                               handler == cur->handler &&
-                               !strcmp(cmd, cur->cmd)) {
-                       lprintf(CTDL_INFO, "Unregistered server command %s (%s)\n",
-                                       cmd, cur->desc);
-                       p = cur->next;
-                       if (cur == ProtoHookList) {
-                               ProtoHookList = p;
-                       }
-                       else if (lastcur != NULL)
-                       {
-                               lastcur->next = p;
-                       }
-                       free(cur);
-                       cur = p;
-               }
-               lastcur = cur;
-       }
+       Put(ProtoHookList, cmd, 4, p, NULL);
+       syslog(LOG_INFO, "Registered server command %s (%s)\n", cmd, desc);
 }
 
 void CtdlDestroyProtoHooks(void)
 {
-       struct ProtoFunctionHook *cur, *p;
 
-       cur = ProtoHookList; 
-       while (cur != NULL)
-       {
-               lprintf(CTDL_INFO, "Destroyed server command %s (%s)\n",
-                       cur->cmd, cur->desc);
-               p = cur->next;
-               free(cur);
-               cur = p;
-       }
-       ProtoHookList = NULL;
-}
-
-
-int DLoader_Exec_Cmd(char *cmdbuf)
-{
-       struct ProtoFunctionHook *p;
-
-       for (p = ProtoHookList; p; p = p->next) {
-               if (!strncasecmp(cmdbuf, p->cmd, 4)) {
-                       p->handler(&cmdbuf[5]);
-                       return 1;
-               }
-       }
-       return 0;
+       DeleteHash(&ProtoHookList);
 }
 
 
@@ -266,7 +238,7 @@ void CtdlRegisterCleanupHook(void (*fcn_ptr) (void))
        newfcn->h_function_pointer = fcn_ptr;
        CleanupHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new cleanup function\n");
+       syslog(LOG_INFO, "Registered a new cleanup function\n");
 }
 
 
@@ -278,7 +250,7 @@ void CtdlUnregisterCleanupHook(void (*fcn_ptr) (void))
                /* This will also remove duplicates if any */
                while (cur != NULL &&
                                fcn_ptr == cur->h_function_pointer) {
-                       lprintf(CTDL_INFO, "Unregistered cleanup function\n");
+                       syslog(LOG_INFO, "Unregistered cleanup function\n");
                        p = cur->next;
                        if (cur == CleanupHookTable) {
                                CleanupHookTable = p;
@@ -296,7 +268,7 @@ void CtdlDestroyCleanupHooks(void)
        cur = CleanupHookTable;
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Destroyed cleanup function\n");
+               syslog(LOG_INFO, "Destroyed cleanup function\n");
                p = cur->next;
                free(cur);
                cur = p;
@@ -317,7 +289,7 @@ void CtdlRegisterSessionHook(void (*fcn_ptr) (void), int EventType)
        newfcn->eventtype = EventType;
        SessionHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new session function (type %d)\n",
+       syslog(LOG_INFO, "Registered a new session function (type %d)\n",
                EventType);
 }
 
@@ -331,7 +303,7 @@ void CtdlUnregisterSessionHook(void (*fcn_ptr) (void), int EventType)
                while (cur != NULL &&
                                fcn_ptr == cur->h_function_pointer &&
                                EventType == cur->eventtype) {
-                       lprintf(CTDL_INFO, "Unregistered session function (type %d)\n",
+                       syslog(LOG_INFO, "Unregistered session function (type %d)\n",
                                        EventType);
                        p = cur->next;
                        if (cur == SessionHookTable) {
@@ -350,7 +322,7 @@ void CtdlDestroySessionHooks(void)
        cur = SessionHookTable;
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Destroyed session function\n");
+               syslog(LOG_INFO, "Destroyed session function\n");
                p = cur->next;
                free(cur);
                cur = p;
@@ -371,7 +343,7 @@ void CtdlRegisterUserHook(void (*fcn_ptr) (struct ctdluser *), int EventType)
        newfcn->eventtype = EventType;
        UserHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new user function (type %d)\n",
+       syslog(LOG_INFO, "Registered a new user function (type %d)\n",
                EventType);
 }
 
@@ -385,7 +357,7 @@ void CtdlUnregisterUserHook(void (*fcn_ptr) (struct ctdluser *), int EventType)
                while (cur != NULL &&
                                fcn_ptr == cur->h_function_pointer &&
                                EventType == cur->eventtype) {
-                       lprintf(CTDL_INFO, "Unregistered user function (type %d)\n",
+                       syslog(LOG_INFO, "Unregistered user function (type %d)\n",
                                        EventType);
                        p = cur->next;
                        if (cur == UserHookTable) {
@@ -404,7 +376,7 @@ void CtdlDestroyUserHooks(void)
        cur = UserHookTable;
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Destroyed user function \n");
+               syslog(LOG_INFO, "Destroyed user function \n");
                p = cur->next;
                free(cur);
                cur = p;
@@ -426,7 +398,7 @@ void CtdlRegisterMessageHook(int (*handler)(struct CtdlMessage *),
        newfcn->eventtype = EventType;
        MessageHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new message function (type %d)\n",
+       syslog(LOG_INFO, "Registered a new message function (type %d)\n",
                EventType);
 }
 
@@ -441,7 +413,7 @@ void CtdlUnregisterMessageHook(int (*handler)(struct CtdlMessage *),
                while (cur != NULL &&
                                handler == cur->h_function_pointer &&
                                EventType == cur->eventtype) {
-                       lprintf(CTDL_INFO, "Unregistered message function (type %d)\n",
+                       syslog(LOG_INFO, "Unregistered message function (type %d)\n",
                                        EventType);
                        p = cur->next;
                        if (cur == MessageHookTable) {
@@ -460,7 +432,7 @@ void CtdlDestroyMessageHook(void)
        cur = MessageHookTable; 
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Destroyed message function \n");
+               syslog(LOG_INFO, "Destroyed message function (type %d)\n", cur->eventtype);
                p = cur->next;
                free(cur);
                cur = p;
@@ -479,7 +451,7 @@ void CtdlRegisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
        newfcn->fcn_ptr = fcn_ptr;
        RoomHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new room function\n");
+       syslog(LOG_INFO, "Registered a new room function\n");
 }
 
 
@@ -489,7 +461,7 @@ void CtdlUnregisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
 
        for (cur = RoomHookTable; cur != NULL; cur = cur->next) {
                while (cur != NULL && fcn_ptr == cur->fcn_ptr) {
-                       lprintf(CTDL_INFO, "Unregistered room function\n");
+                       syslog(LOG_INFO, "Unregistered room function\n");
                        p = cur->next;
                        if (cur == RoomHookTable) {
                                RoomHookTable = p;
@@ -508,7 +480,7 @@ void CtdlDestroyRoomHooks(void)
        cur = RoomHookTable;
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Unregistered room function\n");
+               syslog(LOG_INFO, "Destroyed room function\n");
                p = cur->next;
                free(cur);
                cur = p;
@@ -526,7 +498,7 @@ void CtdlRegisterNetprocHook(int (*handler)(struct CtdlMessage *, char *) )
        newfcn->h_function_pointer = handler;
        NetprocHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new netproc function\n");
+       syslog(LOG_INFO, "Registered a new netproc function\n");
 }
 
 
@@ -538,7 +510,7 @@ void CtdlUnregisterNetprocHook(int (*handler)(struct CtdlMessage *, char *) )
                /* This will also remove duplicates if any */
                while (cur != NULL &&
                                handler == cur->h_function_pointer ) {
-                       lprintf(CTDL_INFO, "Unregistered netproc function\n");
+                       syslog(LOG_INFO, "Unregistered netproc function\n");
                        p = cur->next;
                        if (cur == NetprocHookTable) {
                                NetprocHookTable = p;
@@ -556,7 +528,7 @@ void CtdlDestroyNetprocHooks(void)
        cur = NetprocHookTable;
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Unregistered netproc function\n");
+               syslog(LOG_INFO, "Destroyed netproc function\n");
                p = cur->next;
                free(cur);
                cur = p;
@@ -575,7 +547,7 @@ void CtdlRegisterDeleteHook(void (*handler)(char *, long) )
        newfcn->h_function_pointer = handler;
        DeleteHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new netproc function\n");
+       syslog(LOG_INFO, "Registered a new delete function\n");
 }
 
 
@@ -587,7 +559,7 @@ void CtdlUnregisterDeleteHook(void (*handler)(char *, long) )
                /* This will also remove duplicates if any */
                while (cur != NULL &&
                                handler == cur->h_function_pointer ) {
-                       lprintf(CTDL_INFO, "Unregistered netproc function\n");
+                       syslog(LOG_INFO, "Unregistered delete function\n");
                        p = cur->next;
                        if (cur == DeleteHookTable) {
                                DeleteHookTable = p;
@@ -604,7 +576,7 @@ void CtdlDestroyDeleteHooks(void)
        cur = DeleteHookTable;
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Destroyed netproc function\n");
+               syslog(LOG_INFO, "Destroyed delete function\n");
                p = cur->next;
                free(cur);
                cur = p;                
@@ -626,7 +598,7 @@ void CtdlRegisterFixedOutputHook(char *content_type, void (*handler)(char *, int
        safestrncpy(newfcn->content_type, content_type, sizeof newfcn->content_type);
        FixedOutputTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new fixed output function for %s\n", newfcn->content_type);
+       syslog(LOG_INFO, "Registered a new fixed output function for %s\n", newfcn->content_type);
 }
 
 
@@ -637,7 +609,7 @@ void CtdlUnregisterFixedOutputHook(char *content_type)
        for (cur = FixedOutputTable; cur != NULL; cur = cur->next) {
                /* This will also remove duplicates if any */
                while (cur != NULL && (!strcasecmp(content_type, cur->content_type))) {
-                       lprintf(CTDL_INFO, "Unregistered fixed output function for %s\n", content_type);
+                       syslog(LOG_INFO, "Unregistered fixed output function for %s\n", content_type);
                        p = cur->next;
                        if (cur == FixedOutputTable) {
                                FixedOutputTable = p;
@@ -655,7 +627,7 @@ void CtdlDestroyFixedOutputHooks(void)
        cur = FixedOutputTable; 
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Destroyed fixed output function for %s\n", cur->content_type);
+               syslog(LOG_INFO, "Destroyed fixed output function for %s\n", cur->content_type);
                p = cur->next;
                free(cur);
                cur = p;
@@ -682,22 +654,21 @@ int PerformFixedOutputHooks(char *content_type, char *content, int content_lengt
 
 
 
-void CtdlRegisterXmsgHook(int (*fcn_ptr) (char *, char *, char *), int order)
+void CtdlRegisterXmsgHook(int (*fcn_ptr) (char *, char *, char *, char *), int order)
 {
 
        struct XmsgFunctionHook *newfcn;
 
-       newfcn = (struct XmsgFunctionHook *)
-           malloc(sizeof(struct XmsgFunctionHook));
+       newfcn = (struct XmsgFunctionHook *) malloc(sizeof(struct XmsgFunctionHook));
        newfcn->next = XmsgHookTable;
        newfcn->order = order;
        newfcn->h_function_pointer = fcn_ptr;
        XmsgHookTable = newfcn;
-       lprintf(CTDL_INFO, "Registered a new x-msg function (priority %d)\n", order);
+       syslog(LOG_INFO, "Registered a new x-msg function (priority %d)\n", order);
 }
 
 
-void CtdlUnregisterXmsgHook(int (*fcn_ptr) (char *, char *, char *), int order)
+void CtdlUnregisterXmsgHook(int (*fcn_ptr) (char *, char *, char *, char *), int order)
 {
        struct XmsgFunctionHook *cur, *p;
 
@@ -706,7 +677,7 @@ void CtdlUnregisterXmsgHook(int (*fcn_ptr) (char *, char *, char *), int order)
                while (cur != NULL &&
                                fcn_ptr == cur->h_function_pointer &&
                                order == cur->order) {
-                       lprintf(CTDL_INFO, "Unregistered x-msg function "
+                       syslog(LOG_INFO, "Unregistered x-msg function "
                                        "(priority %d)\n", order);
                        p = cur->next;
                        if (cur == XmsgHookTable) {
@@ -725,7 +696,7 @@ void CtdlDestroyXmsgHooks(void)
        cur = XmsgHookTable;
        while (cur != NULL)
        {
-               lprintf(CTDL_INFO, "Destroyed x-msg function "
+               syslog(LOG_INFO, "Destroyed x-msg function "
                        "(priority %d)\n", cur->order);
                p = cur->next;
                        
@@ -745,12 +716,11 @@ void CtdlRegisterServiceHook(int tcp_port,
 {
        struct ServiceFunctionHook *newfcn;
        char *message;
-       char *error;
+       char error[SIZ];
 
-       error = NULL;
-       newfcn = (struct ServiceFunctionHook *)
-           malloc(sizeof(struct ServiceFunctionHook));
-       message = (char*) malloc (SIZ);
+       strcpy(error, "");
+       newfcn = (struct ServiceFunctionHook *) malloc(sizeof(struct ServiceFunctionHook));
+       message = (char*) malloc (SIZ + SIZ);
        
        newfcn->next = ServiceHookTable;
        newfcn->tcp_port = tcp_port;
@@ -761,20 +731,20 @@ void CtdlRegisterServiceHook(int tcp_port,
        newfcn->ServiceName = ServiceName;
 
        if (sockpath != NULL) {
-               newfcn->msock = ig_uds_server(sockpath, config.c_maxsessions, &error);
+               newfcn->msock = ctdl_uds_server(sockpath, config.c_maxsessions, error);
                snprintf(message, SIZ, "Unix domain socket '%s': ", sockpath);
        }
        else if (tcp_port <= 0) {       /* port -1 to disable */
-               lprintf(CTDL_INFO, "Service %s has been manually disabled, skipping\n", ServiceName);
+               syslog(LOG_INFO, "Service %s has been manually disabled, skipping\n", ServiceName);
                free (message);
                free(newfcn);
                return;
        }
        else {
-               newfcn->msock = ig_tcp_server(config.c_ip_addr,
+               newfcn->msock = ctdl_tcp_server(config.c_ip_addr,
                                              tcp_port,
                                              config.c_maxsessions, 
-                                             &error);
+                                             error);
                snprintf(message, SIZ, "TCP port %s:%d: (%s) ", 
                         config.c_ip_addr, tcp_port, ServiceName);
        }
@@ -782,13 +752,12 @@ void CtdlRegisterServiceHook(int tcp_port,
        if (newfcn->msock > 0) {
                ServiceHookTable = newfcn;
                strcat(message, "registered.");
-               lprintf(CTDL_INFO, "%s\n", message);
+               syslog(LOG_INFO, "%s\n", message);
        }
        else {
                AddPortError(message, error);
                strcat(message, "FAILED.");
-               lprintf(CTDL_CRIT, "%s\n", message);
-               free(error);
+               syslog(LOG_CRIT, "%s\n", message);
                free(newfcn);
        }
        free(message);
@@ -803,7 +772,8 @@ void CtdlUnregisterServiceHook(int tcp_port, char *sockpath,
 {
        struct ServiceFunctionHook *cur, *p;
 
-       for (cur = ServiceHookTable; cur != NULL; cur = cur->next) {
+       cur = ServiceHookTable;
+       while (cur != NULL) {
                /* This will also remove duplicates if any */
                while (cur != NULL &&
                                !(sockpath && cur->sockpath &&
@@ -814,12 +784,12 @@ void CtdlUnregisterServiceHook(int tcp_port, char *sockpath,
                                tcp_port == cur->tcp_port) {
                        close(cur->msock);
                        if (sockpath) {
-                               lprintf(CTDL_INFO, "Closed UNIX domain socket %s\n",
+                               syslog(LOG_INFO, "Closed UNIX domain socket %s\n",
                                                sockpath);
                        } else if (tcp_port) {
-                               lprintf(CTDL_INFO, "Closed TCP port %d\n", tcp_port);
+                               syslog(LOG_INFO, "Closed TCP port %d\n", tcp_port);
                        } else {
-                               lprintf(CTDL_INFO, "Unregistered unknown service\n");
+                               syslog(LOG_INFO, "Unregistered service \"%s\"\n", cur->ServiceName);
                        }
                        p = cur->next;
                        if (cur == ServiceHookTable) {
@@ -831,6 +801,32 @@ void CtdlUnregisterServiceHook(int tcp_port, char *sockpath,
        }
 }
 
+
+void CtdlShutdownServiceHooks(void)
+{
+       /* sort of a duplicate of close_masters() but called earlier */
+       struct ServiceFunctionHook *cur;
+
+       cur = ServiceHookTable;
+       while (cur != NULL) 
+       {
+               if (cur->msock != -1)
+               {
+                       close(cur->msock);
+                       cur->msock = -1;
+                       if (cur->sockpath != NULL){
+                               syslog(LOG_INFO, "[%s] Closed UNIX domain socket %s\n",
+                                             cur->ServiceName,
+                                             cur->sockpath);
+                       } else {
+                               syslog(LOG_INFO, "[%s] closing service\n", 
+                                             cur->ServiceName);
+                       }
+               }
+               cur = cur->next;
+       }
+}
+
 void CtdlDestroyServiceHook(void)
 {
        struct ServiceFunctionHook *cur, *p;
@@ -840,12 +836,12 @@ void CtdlDestroyServiceHook(void)
        {
                close(cur->msock);
                if (cur->sockpath) {
-                       lprintf(CTDL_INFO, "Closed UNIX domain socket %s\n",
+                       syslog(LOG_INFO, "Closed UNIX domain socket %s\n",
                                cur->sockpath);
                } else if (cur->tcp_port) {
-                       lprintf(CTDL_INFO, "Closed TCP port %d\n", cur->tcp_port);
+                       syslog(LOG_INFO, "Closed TCP port %d\n", cur->tcp_port);
                } else {
-                       lprintf(CTDL_INFO, "Unregistered unknown service\n");
+                       syslog(LOG_INFO, "Destroyed service \"%s\"\n", cur->ServiceName);
                }
                p = cur->next;
                free(cur);
@@ -854,7 +850,7 @@ void CtdlDestroyServiceHook(void)
        ServiceHookTable = NULL;
 }
 
-void CtdlRegisterSearchFuncHook(void (*fcn_ptr)(int *, long **, char *), char *name)
+void CtdlRegisterSearchFuncHook(void (*fcn_ptr)(int *, long **, const char *), char *name)
 {
        struct SearchFunctionHook *newfcn;
 
@@ -869,16 +865,16 @@ void CtdlRegisterSearchFuncHook(void (*fcn_ptr)(int *, long **, char *), char *n
        newfcn->fcn_ptr = fcn_ptr;
        SearchFunctionHookTable = newfcn;
 
-       lprintf(CTDL_INFO, "Registered a new search function (%s)\n", name);
+       syslog(LOG_INFO, "Registered a new search function (%s)\n", name);
 }
 
-void CtdlUnregisterSearchFuncHook(void (*fcn_ptr)(int *, long **, char *), char *name)
+void CtdlUnregisterSearchFuncHook(void (*fcn_ptr)(int *, long **, const char *), char *name)
 {
        struct SearchFunctionHook *cur, *p;
        
        for (cur = SearchFunctionHookTable; cur != NULL; cur = cur->next) {
                while (fcn_ptr && (cur->fcn_ptr == fcn_ptr) && name && !strcmp(name, cur->name)) {
-                       lprintf(CTDL_INFO, "Unregistered search function(%s)\n", name);
+                       syslog(LOG_INFO, "Unregistered search function(%s)\n", name);
                        p = cur->next;
                        if (cur == SearchFunctionHookTable) {
                                SearchFunctionHookTable = p;
@@ -889,7 +885,20 @@ void CtdlUnregisterSearchFuncHook(void (*fcn_ptr)(int *, long **, char *), char
        }
 }
 
-void CtdlModuleDoSearch(int *num_msgs, long **search_msgs, char *search_string, char *func_name)
+void CtdlDestroySearchHooks(void)
+{
+        struct SearchFunctionHook *cur, *p;
+
+       cur = SearchFunctionHookTable;
+       SearchFunctionHookTable = NULL;
+        while (cur != NULL) {
+               p = cur->next;
+               free(cur);
+               cur = p;
+       }
+}
+
+void CtdlModuleDoSearch(int *num_msgs, long **search_msgs, const char *search_string, const char *func_name)
 {
        struct SearchFunctionHook *fcn = NULL;
 
@@ -909,6 +918,9 @@ void PerformSessionHooks(int EventType)
 
        for (fcn = SessionHookTable; fcn != NULL; fcn = fcn->next) {
                if (fcn->eventtype == EventType) {
+                       if (EventType == EVT_TIMER) {
+                               pthread_setspecific(MyConKey, NULL);    /* for every hook */
+                       }
                        (*fcn->h_function_pointer) ();
                }
        }
@@ -932,11 +944,10 @@ int PerformMessageHooks(struct CtdlMessage *msg, int EventType)
 
        /* Other code may elect to protect this message from server-side
         * handlers; if this is the case, don't do anything.
-       lprintf(CTDL_DEBUG, "** Event type is %d, flags are %d\n",
-               EventType, msg->cm_flags);
+       syslog(LOG_DEBUG, "** Event type is %d, flags are %d\n", EventType, msg->cm_flags);
         */
        if (msg->cm_flags & CM_SKIP_HOOKS) {
-               lprintf(CTDL_DEBUG, "Skipping hooks\n");
+               syslog(LOG_DEBUG, "Skipping hooks\n");
                return(0);
        }
 
@@ -944,8 +955,7 @@ int PerformMessageHooks(struct CtdlMessage *msg, int EventType)
         */
        for (fcn = MessageHookTable; fcn != NULL; fcn = fcn->next) {
                if (fcn->eventtype == EventType) {
-                       total_retval = total_retval +
-                               (*fcn->h_function_pointer) (msg);
+                       total_retval = total_retval + (*fcn->h_function_pointer) (msg);
                }
        }
 
@@ -962,7 +972,7 @@ int PerformRoomHooks(struct ctdlroom *target_room)
        struct RoomFunctionHook *fcn;
        int total_retval = 0;
 
-       lprintf(CTDL_DEBUG, "Performing room hooks for <%s>\n", target_room->QRname);
+       syslog(LOG_DEBUG, "Performing room hooks for <%s>\n", target_room->QRname);
 
        for (fcn = RoomHookTable; fcn != NULL; fcn = fcn->next) {
                total_retval = total_retval + (*fcn->fcn_ptr) (target_room);
@@ -1004,7 +1014,7 @@ void PerformDeleteHooks(char *room, long msgnum)
 
 
 
-int PerformXmsgHooks(char *sender, char *recp, char *msg)
+int PerformXmsgHooks(char *sender, char *sender_email, char *recp, char *msg)
 {
        struct XmsgFunctionHook *fcn;
        int total_sent = 0;
@@ -1015,7 +1025,7 @@ int PerformXmsgHooks(char *sender, char *recp, char *msg)
                        if (fcn->order == p) {
                                total_sent +=
                                        (*fcn->h_function_pointer)
-                                               (sender, recp, msg);
+                                               (sender, sender_email, recp, msg);
                        }
                }
                /* Break out of the loop if a higher-priority function
@@ -1028,20 +1038,6 @@ int PerformXmsgHooks(char *sender, char *recp, char *msg)
        return total_sent;
 }
 
-void CtdlRegisterMaintenanceThread(char *name, void *(*thread_proc)(void *arg))
-{
-       struct MaintenanceThreadHook *newfcn;
-
-       newfcn = (struct MaintenanceThreadHook *)
-           malloc(sizeof(struct MaintenanceThreadHook));
-       newfcn->name = name;
-       newfcn->next = MaintenanceThreadHookTable;
-       newfcn->fcn_ptr = thread_proc;
-       MaintenanceThreadHookTable = newfcn;
-
-       lprintf(CTDL_INFO, "Registered a new maintenance thread function\n");
-}
-
 
 /*
  * Dirty hack until we impliment a hook mechanism for this