X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fserv_extensions.c;h=f967e411be2be7c846f7002bfa9d173cff0738b3;hb=HEAD;hp=f81008464df5247f96343d9335b11a2936414e88;hpb=a520d904d0069654c57d2b69618bee1225ee3067;p=citadel.git

diff --git a/citadel/serv_extensions.c b/citadel/serv_extensions.c
deleted file mode 100644
index f81008464..000000000
--- a/citadel/serv_extensions.c
+++ /dev/null
@@ -1,909 +0,0 @@
-/*
- * Citadel Extension Loader
- * Originally written by Brian Costello <btx@calyx.net>
- *
- * Copyright (c) 1987-2021 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, version 3.
- *
- * 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.
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <sys/stat.h>
-#include <libcitadel.h>
-#include "sysdep_decls.h"
-#include "modules/crypto/serv_crypto.h"	/* Needed until a universal crypto startup hook is implimented for CtdlStartTLS */
-#include "serv_extensions.h"
-#include "ctdl_module.h"
-#include "config.h"
-
-
-/*
- * Structure defentitions for hook tables
- */
-
-typedef struct FixedOutputHook FixedOutputHook;
-struct FixedOutputHook {
-	FixedOutputHook *next;
-	char content_type[64];
-	void (*h_function_pointer) (char *, int);
-};
-FixedOutputHook *FixedOutputTable = NULL;
-
-
-/*
- * SessionFunctionHook extensions are used for any type of hook for which
- * the context in which it's being called (which is determined by the event
- * type) will make it obvious for the hook function to know where to look for
- * pertinent data.
- */
-typedef struct SessionFunctionHook SessionFunctionHook;
-struct SessionFunctionHook {
-	SessionFunctionHook *next;
-	int Priority;
-	void (*h_function_pointer) (void);
-	int eventtype;
-};
-SessionFunctionHook *SessionHookTable = NULL;
-
-
-/*
- * UserFunctionHook extensions are used for any type of hook which implements
- * an operation on a user or username (potentially) other than the one
- * operating the current session.
- */
-typedef struct UserFunctionHook UserFunctionHook;
-struct UserFunctionHook {
-	UserFunctionHook *next;
-	void (*h_function_pointer) (struct ctdluser *usbuf);
-	int eventtype;
-};
-UserFunctionHook *UserHookTable = NULL;
-
-
-/*
- * MessageFunctionHook extensions are used for hooks which implement handlers
- * for various types of message operations (save, read, etc.)
- */
-typedef struct MessageFunctionHook MessageFunctionHook;
-struct MessageFunctionHook {
-	MessageFunctionHook *next;
-	int (*h_function_pointer) (struct CtdlMessage *msg, recptypes *recps);
-	int eventtype;
-};
-MessageFunctionHook *MessageHookTable = NULL;
-
-
-/*
- * DeleteFunctionHook extensions are used for hooks which get called when a
- * message is about to be deleted.
- */
-typedef struct DeleteFunctionHook DeleteFunctionHook;
-struct DeleteFunctionHook {
-	DeleteFunctionHook *next;
-	void (*h_function_pointer) (char *target_room, long msgnum);
-};
-DeleteFunctionHook *DeleteHookTable = NULL;
-
-
-/*
- * ExpressMessageFunctionHook extensions are used for hooks which implement
- * the sending of an instant message through various channels.  Any function
- * registered should return the number of recipients to whom the message was
- * successfully transmitted.
- */
-typedef struct XmsgFunctionHook XmsgFunctionHook;
-struct XmsgFunctionHook {
-	XmsgFunctionHook *next;
-	int (*h_function_pointer) (char *, char *, char *, char *);
-	int order;
-};
-XmsgFunctionHook *XmsgHookTable = NULL;
-
-
-/*
- * RoomFunctionHook extensions are used for hooks which impliment room
- * processing functions when new messages are added.
- */
-typedef struct RoomFunctionHook RoomFunctionHook;
-struct RoomFunctionHook {
-	RoomFunctionHook *next;
-	int (*fcn_ptr) (struct ctdlroom *);
-};
-RoomFunctionHook *RoomHookTable = NULL;
-
-
-typedef struct SearchFunctionHook SearchFunctionHook;
-struct SearchFunctionHook {
-	SearchFunctionHook *next;
-	void (*fcn_ptr) (int *, long **, const char *);
-	char *name;
-};
-SearchFunctionHook *SearchFunctionHookTable = NULL;
-
-ServiceFunctionHook *ServiceHookTable = NULL;
-
-typedef struct ProtoFunctionHook ProtoFunctionHook;
-struct ProtoFunctionHook {
-	void (*handler) (char *cmdbuf);
-	const char *cmd;
-	const char *desc;
-};
-
-HashList *ProtoHookList = NULL;
-
-
-#define ERR_PORT (1 << 1)
-
-
-static StrBuf *portlist = NULL;
-static StrBuf *errormessages = NULL;
-
-
-long   DetailErrorFlags;
-ConstStr Empty = {HKEY("")};
-char *ErrSubject = "Startup Problems";
-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?id=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, or \"netstat -na\" on BSD"
-			       " and disable the program that binds these ports.\n")};
-
-
-void LogPrintMessages(long err)
-{
-	StrBuf *Message;
-	StrBuf *List, *DetailList;
-	ConstStr *Short, *Where, *Hint; 
-
-	
-	Message = NewStrBufPlain(NULL, StrLength(portlist) + StrLength(errormessages));
-	
-	DetailErrorFlags = DetailErrorFlags & ~err;
-
-	switch (err)
-	{
-	case ERR_PORT:
-		Short = &ErrPortShort;
-		Where = &ErrPortWhere;
-		Hint  = &ErrPortHint;
-		List  = portlist;
-		DetailList = errormessages;
-		break;
-	default:
-		Short = &Empty;
-		Where = &Empty;
-		Hint  = &Empty;
-		List  = NULL;
-		DetailList = NULL;
-	}
-
-	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_ERR, "extensions: %s", ChrPtr(Message));
-	syslog(LOG_ERR, "extensions: %s", ErrSubject);
-	quickie_message("Citadel", NULL, NULL, AIDEROOM, ChrPtr(Message), FMT_FIXED, ErrSubject);
-
-	FreeStrBuf(&Message);
-	FreeStrBuf(&List);
-	FreeStrBuf(&DetailList);
-}
-
-
-void AddPortError(char *Port, char *ErrorMessage)
-{
-	long len;
-
-	DetailErrorFlags |= ERR_PORT;
-
-	len = StrLength(errormessages);
-	if (len > 0) StrBufAppendBufPlain(errormessages, HKEY("; "), 0);
-	else errormessages = NewStrBuf();
-	StrBufAppendBufPlain(errormessages, ErrorMessage, -1, 0);
-
-
-	len = StrLength(portlist);
-	if (len > 0) StrBufAppendBufPlain(portlist, HKEY(";"), 0);
-	else portlist = NewStrBuf();
-	StrBufAppendBufPlain(portlist, Port, -1, 0);
-}
-
-
-int DLoader_Exec_Cmd(char *cmdbuf)
-{
-	void *vP;
-	ProtoFunctionHook *p;
-
-	if (GetHash(ProtoHookList, cmdbuf, 4, &vP) && (vP != NULL)) {
-		p = (ProtoFunctionHook*) vP;
-		p->handler(&cmdbuf[5]);
-		return 1;
-	}
-	return 0;
-}
-
-
-void CtdlRegisterProtoHook(void (*handler) (char *), char *cmd, char *desc)
-{
-	ProtoFunctionHook *p;
-
-	if (ProtoHookList == NULL)
-		ProtoHookList = NewHash (1, FourHash);
-
-
-	p = (ProtoFunctionHook *)
-		malloc(sizeof(ProtoFunctionHook));
-
-	if (p == NULL) {
-		fprintf(stderr, "can't malloc new ProtoFunctionHook\n");
-		exit(EXIT_FAILURE);
-	}
-	p->handler = handler;
-	p->cmd = cmd;
-	p->desc = desc;
-
-	Put(ProtoHookList, cmd, 4, p, NULL);
-	syslog(LOG_DEBUG, "extensions: registered server command %s (%s)", cmd, desc);
-}
-
-
-void CtdlRegisterSessionHook(void (*fcn_ptr) (void), int EventType, int Priority)
-{
-	SessionFunctionHook *newfcn;
-
-	newfcn = (SessionFunctionHook *)
-	    malloc(sizeof(SessionFunctionHook));
-	newfcn->Priority = Priority;
-	newfcn->h_function_pointer = fcn_ptr;
-	newfcn->eventtype = EventType;
-
-	SessionFunctionHook **pfcn;
-	pfcn = &SessionHookTable;
-	while ((*pfcn != NULL) && 
-	       ((*pfcn)->Priority < newfcn->Priority) &&
-	       ((*pfcn)->next != NULL))
-		pfcn = &(*pfcn)->next;
-		
-	newfcn->next = *pfcn;
-	*pfcn = newfcn;
-	
-	syslog(LOG_DEBUG, "extensions: registered a new session function (type %d Priority %d)", EventType, Priority);
-}
-
-
-void CtdlUnregisterSessionHook(void (*fcn_ptr) (void), int EventType)
-{
-	SessionFunctionHook *cur, *p, *last;
-	last = NULL;
-	cur = SessionHookTable;
-	while  (cur != NULL) {
-		if ((fcn_ptr == cur->h_function_pointer) &&
-		    (EventType == cur->eventtype))
-		{
-			syslog(LOG_DEBUG, "extensions: unregistered session function (type %d)", EventType);
-			p = cur->next;
-
-			free(cur);
-			cur = NULL;
-
-			if (last != NULL)
-				last->next = p;
-			else 
-				SessionHookTable = p;
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlRegisterUserHook(void (*fcn_ptr) (ctdluser *), int EventType)
-{
-
-	UserFunctionHook *newfcn;
-
-	newfcn = (UserFunctionHook *)
-	    malloc(sizeof(UserFunctionHook));
-	newfcn->next = UserHookTable;
-	newfcn->h_function_pointer = fcn_ptr;
-	newfcn->eventtype = EventType;
-	UserHookTable = newfcn;
-
-	syslog(LOG_DEBUG, "extensions: registered a new user function (type %d)",
-		   EventType);
-}
-
-
-void CtdlUnregisterUserHook(void (*fcn_ptr) (struct ctdluser *), int EventType)
-{
-	UserFunctionHook *cur, *p, *last;
-	last = NULL;
-	cur = UserHookTable;
-	while (cur != NULL) {
-		if ((fcn_ptr == cur->h_function_pointer) &&
-		    (EventType == cur->eventtype))
-		{
-			syslog(LOG_DEBUG, "extensions: unregistered user function (type %d)", EventType);
-			p = cur->next;
-
-			free(cur);
-			cur = NULL;
-
-			if (last != NULL)
-				last->next = p;
-			else 
-				UserHookTable = p;
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlRegisterMessageHook(int (*handler)(struct CtdlMessage *, recptypes *), int EventType)
-{
-
-	MessageFunctionHook *newfcn;
-
-	newfcn = (MessageFunctionHook *)
-	    malloc(sizeof(MessageFunctionHook));
-	newfcn->next = MessageHookTable;
-	newfcn->h_function_pointer = handler;
-	newfcn->eventtype = EventType;
-	MessageHookTable = newfcn;
-
-	syslog(LOG_DEBUG, "extensions: registered a new message function (type %d)", EventType);
-}
-
-
-void CtdlUnregisterMessageHook(int (*handler)(struct CtdlMessage *, recptypes *), int EventType)
-{
-	MessageFunctionHook *cur, *p, *last;
-	last = NULL;
-	cur = MessageHookTable;
-	while (cur != NULL) {
-		if ((handler == cur->h_function_pointer) &&
-		    (EventType == cur->eventtype))
-		{
-			syslog(LOG_DEBUG, "extensions: unregistered message function (type %d)", EventType);
-			p = cur->next;
-			free(cur);
-			cur = NULL;
-
-			if (last != NULL)
-				last->next = p;
-			else 
-				MessageHookTable = p;
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlRegisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
-{
-	RoomFunctionHook *newfcn;
-
-	newfcn = (RoomFunctionHook *)
-	    malloc(sizeof(RoomFunctionHook));
-	newfcn->next = RoomHookTable;
-	newfcn->fcn_ptr = fcn_ptr;
-	RoomHookTable = newfcn;
-
-	syslog(LOG_DEBUG, "extensions: registered a new room function");
-}
-
-
-void CtdlUnregisterRoomHook(int (*fcn_ptr)(struct ctdlroom *))
-{
-	RoomFunctionHook *cur, *p, *last;
-	last = NULL;
-	cur = RoomHookTable;
-	while (cur != NULL)
-	{
-		if (fcn_ptr == cur->fcn_ptr) {
-			syslog(LOG_DEBUG, "extensions: unregistered room function");
-			p = cur->next;
-
-			free(cur);
-			cur = NULL;
-
-			if (last != NULL)
-				last->next = p;
-			else 
-				RoomHookTable = p;
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlRegisterDeleteHook(void (*handler)(char *, long) )
-{
-	DeleteFunctionHook *newfcn;
-
-	newfcn = (DeleteFunctionHook *)
-	    malloc(sizeof(DeleteFunctionHook));
-	newfcn->next = DeleteHookTable;
-	newfcn->h_function_pointer = handler;
-	DeleteHookTable = newfcn;
-
-	syslog(LOG_DEBUG, "extensions: registered a new delete function");
-}
-
-
-void CtdlUnregisterDeleteHook(void (*handler)(char *, long) )
-{
-	DeleteFunctionHook *cur, *p, *last;
-
-	last = NULL;
-	cur = DeleteHookTable;
-	while (cur != NULL) {
-		if (handler == cur->h_function_pointer )
-		{
-			syslog(LOG_DEBUG, "extensions: unregistered delete function");
-			p = cur->next;
-			free(cur);
-
-			if (last != NULL)
-				last->next = p;
-			else
-				DeleteHookTable = p;
-
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlRegisterFixedOutputHook(char *content_type, void (*handler)(char *, int) )
-{
-	FixedOutputHook *newfcn;
-
-	newfcn = (FixedOutputHook *)
-	    malloc(sizeof(FixedOutputHook));
-	newfcn->next = FixedOutputTable;
-	newfcn->h_function_pointer = handler;
-	safestrncpy(newfcn->content_type, content_type, sizeof newfcn->content_type);
-	FixedOutputTable = newfcn;
-
-	syslog(LOG_DEBUG, "extensions: registered a new fixed output function for %s", newfcn->content_type);
-}
-
-
-void CtdlUnregisterFixedOutputHook(char *content_type)
-{
-	FixedOutputHook *cur, *p, *last;
-
-	last = NULL;
-	cur = FixedOutputTable;
-	while (cur != NULL) {
-		/* This will also remove duplicates if any */
-		if (!strcasecmp(content_type, cur->content_type)) {
-			syslog(LOG_DEBUG, "extensions: unregistered fixed output function for %s", content_type);
-			p = cur->next;
-			free(cur);
-
-			if (last != NULL)
-				last->next = p;
-			else
-				FixedOutputTable = p;
-			
-			cur = p;
-		}
-		else
-		{
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-/* returns nonzero if we found a hook and used it */
-int PerformFixedOutputHooks(char *content_type, char *content, int content_length)
-{
-	FixedOutputHook *fcn;
-
-	for (fcn = FixedOutputTable; fcn != NULL; fcn = fcn->next) {
-		if (!strcasecmp(content_type, fcn->content_type)) {
-			(*fcn->h_function_pointer) (content, content_length);
-			return(1);
-		}
-	}
-	return(0);
-}
-
-
-void CtdlRegisterXmsgHook(int (*fcn_ptr) (char *, char *, char *, char *), int order)
-{
-
-	XmsgFunctionHook *newfcn;
-
-	newfcn = (XmsgFunctionHook *) malloc(sizeof(XmsgFunctionHook));
-	newfcn->next = XmsgHookTable;
-	newfcn->order = order;
-	newfcn->h_function_pointer = fcn_ptr;
-	XmsgHookTable = newfcn;
-	syslog(LOG_DEBUG, "extensions: registered a new x-msg function (priority %d)", order);
-}
-
-
-void CtdlUnregisterXmsgHook(int (*fcn_ptr) (char *, char *, char *, char *), int order)
-{
-	XmsgFunctionHook *cur, *p, *last;
-
-	last = NULL;
-	cur = XmsgHookTable;
-	while (cur != NULL) {
-		/* This will also remove duplicates if any */
-		if (fcn_ptr == cur->h_function_pointer &&
-		    order == cur->order) {
-			syslog(LOG_DEBUG, "extensions: unregistered x-msg function (priority %d)", order);
-			p = cur->next;
-			free(cur);
-
-			if (last != NULL) {
-				last->next = p;
-			}
-			else {
-				XmsgHookTable = p;
-			}
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlRegisterServiceHook(int tcp_port,
-			     char *sockpath,
-			     void (*h_greeting_function) (void),
-			     void (*h_command_function) (void),
-			     void (*h_async_function) (void),
-			     const char *ServiceName)
-{
-	ServiceFunctionHook *newfcn;
-	char *message;
-
-	newfcn = (ServiceFunctionHook *) malloc(sizeof(ServiceFunctionHook));
-	message = (char*) malloc (SIZ + SIZ);
-	
-	newfcn->next = ServiceHookTable;
-	newfcn->tcp_port = tcp_port;
-	newfcn->sockpath = sockpath;
-	newfcn->h_greeting_function = h_greeting_function;
-	newfcn->h_command_function = h_command_function;
-	newfcn->h_async_function = h_async_function;
-	newfcn->ServiceName = ServiceName;
-
-	if (sockpath != NULL) {
-		newfcn->msock = ctdl_uds_server(sockpath, CtdlGetConfigInt("c_maxsessions"));
-		snprintf(message, SIZ, "extensions: unix domain socket '%s': ", sockpath);
-	}
-	else if (tcp_port <= 0) {	/* port -1 to disable */
-		syslog(LOG_INFO, "extensions: service %s has been manually disabled, skipping", ServiceName);
-		free (message);
-		free(newfcn);
-		return;
-	}
-	else {
-		newfcn->msock = ctdl_tcp_server(CtdlGetConfigStr("c_ip_addr"), tcp_port, CtdlGetConfigInt("c_maxsessions"));
-		snprintf(message, SIZ, "extensions: TCP port %s:%d: (%s) ", 
-			 CtdlGetConfigStr("c_ip_addr"), tcp_port, ServiceName);
-	}
-
-	if (newfcn->msock > 0) {
-		ServiceHookTable = newfcn;
-		strcat(message, "registered.");
-		syslog(LOG_INFO, "%s", message);
-	}
-	else {
-		AddPortError(message, "failed");
-		strcat(message, "FAILED.");
-		syslog(LOG_ERR, "%s", message);
-		free(newfcn);
-	}
-	free(message);
-}
-
-
-void CtdlUnregisterServiceHook(int tcp_port, char *sockpath,
-			void (*h_greeting_function) (void),
-			void (*h_command_function) (void),
-			void (*h_async_function) (void)
-			)
-{
-	ServiceFunctionHook *cur, *p, *last;
-
-	last = NULL;
-	cur = ServiceHookTable;
-	while (cur != NULL) {
-		/* This will also remove duplicates if any */
-		if (h_greeting_function == cur->h_greeting_function &&
-		    h_command_function == cur->h_command_function &&
-		    h_async_function == cur->h_async_function &&
-		    tcp_port == cur->tcp_port && 
-		    !(sockpath && cur->sockpath && strcmp(sockpath, cur->sockpath)) )
-		{
-			if (cur->msock > 0)
-				close(cur->msock);
-			if (sockpath) {
-				syslog(LOG_INFO, "extensions: closed UNIX domain socket %s", sockpath);
-				unlink(sockpath);
-			} else if (tcp_port) {
-				syslog(LOG_INFO, "extensions: closed TCP port %d", tcp_port);
-			} else {
-				syslog(LOG_INFO, "extensions: unregistered service \"%s\"", cur->ServiceName);
-			}
-			p = cur->next;
-			free(cur);
-			if (last != NULL)
-				last->next = p;
-			else
-				ServiceHookTable = p;
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlShutdownServiceHooks(void)
-{
-	/* sort of a duplicate of close_masters() but called earlier */
-	ServiceFunctionHook *cur;
-
-	cur = ServiceHookTable;
-	while (cur != NULL) 
-	{
-		if (cur->msock != -1)
-		{
-			close(cur->msock);
-			cur->msock = -1;
-			if (cur->sockpath != NULL){
-				syslog(LOG_INFO, "extensions: [%s] Closed UNIX domain socket %s", cur->ServiceName, cur->sockpath);
-				unlink(cur->sockpath);
-			} else {
-				syslog(LOG_INFO, "extensions: [%s] closing service", cur->ServiceName);
-			}
-		}
-		cur = cur->next;
-	}
-}
-
-
-void CtdlRegisterSearchFuncHook(void (*fcn_ptr)(int *, long **, const char *), char *name)
-{
-	SearchFunctionHook *newfcn;
-
-	if (!name || !fcn_ptr) {
-		return;
-	}
-	
-	newfcn = (SearchFunctionHook *)
-	    malloc(sizeof(SearchFunctionHook));
-	newfcn->next = SearchFunctionHookTable;
-	newfcn->name = name;
-	newfcn->fcn_ptr = fcn_ptr;
-	SearchFunctionHookTable = newfcn;
-
-	syslog(LOG_DEBUG, "extensions: registered a new search function (%s)", name);
-}
-
-void CtdlUnregisterSearchFuncHook(void (*fcn_ptr)(int *, long **, const char *), char *name)
-{
-	SearchFunctionHook *cur, *p, *last;
-	
-	last = NULL;
-	cur = SearchFunctionHookTable;
-	while (cur != NULL) {
-		if (fcn_ptr &&
-		    (cur->fcn_ptr == fcn_ptr) &&
-		    name && !strcmp(name, cur->name))
-		{
-			syslog(LOG_DEBUG, "extensions: unregistered search function(%s)", name);
-			p = cur->next;
-			free (cur);
-			if (last != NULL)
-				last->next = p;
-			else
-				SearchFunctionHookTable = p;
-			cur = p;
-		}
-		else {
-			last = cur;
-			cur = cur->next;
-		}
-	}
-}
-
-
-void CtdlModuleDoSearch(int *num_msgs, long **search_msgs, const char *search_string, const char *func_name)
-{
-	SearchFunctionHook *fcn = NULL;
-
-	for (fcn = SearchFunctionHookTable; fcn != NULL; fcn = fcn->next) {
-		if (!func_name || !strcmp(func_name, fcn->name)) {
-			(*fcn->fcn_ptr) (num_msgs, search_msgs, search_string);
-			return;
-		}
-	}
-	*num_msgs = 0;
-}
-
-
-void PerformSessionHooks(int EventType)
-{
-	SessionFunctionHook *fcn = NULL;
-
-	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) ();
-		}
-	}
-}
-
-void PerformUserHooks(ctdluser *usbuf, int EventType)
-{
-	UserFunctionHook *fcn = NULL;
-
-	for (fcn = UserHookTable; fcn != NULL; fcn = fcn->next) {
-		if (fcn->eventtype == EventType) {
-			(*fcn->h_function_pointer) (usbuf);
-		}
-	}
-}
-
-int PerformMessageHooks(struct CtdlMessage *msg, recptypes *recps, int EventType)
-{
-	MessageFunctionHook *fcn = NULL;
-	int total_retval = 0;
-
-	/* Other code may elect to protect this message from server-side
-	 * handlers; if this is the case, don't do anything.
-	 */
-	if (msg->cm_flags & CM_SKIP_HOOKS) {
-		return(0);
-	}
-
-	/* Otherwise, run all the hooks appropriate to this event type.
-	 */
-	for (fcn = MessageHookTable; fcn != NULL; fcn = fcn->next) {
-		if (fcn->eventtype == EventType) {
-			total_retval = total_retval + (*fcn->h_function_pointer) (msg, recps);
-		}
-	}
-
-	/* Return the sum of the return codes from the hook functions.  If
-	 * this is an EVT_BEFORESAVE event, a nonzero return code will cause
-	 * the save operation to abort.
-	 */
-	return total_retval;
-}
-
-
-int PerformRoomHooks(struct ctdlroom *target_room)
-{
-	RoomFunctionHook *fcn;
-	int total_retval = 0;
-
-	syslog(LOG_DEBUG, "extensions: performing room hooks for <%s>", target_room->QRname);
-
-	for (fcn = RoomHookTable; fcn != NULL; fcn = fcn->next) {
-		total_retval = total_retval + (*fcn->fcn_ptr) (target_room);
-	}
-
-	/* Return the sum of the return codes from the hook functions.
-	 */
-	return total_retval;
-}
-
-
-void PerformDeleteHooks(char *room, long msgnum)
-{
-	DeleteFunctionHook *fcn;
-
-	for (fcn = DeleteHookTable; fcn != NULL; fcn = fcn->next) {
-		(*fcn->h_function_pointer) (room, msgnum);
-	}
-}
-
-
-int PerformXmsgHooks(char *sender, char *sender_email, char *recp, char *msg)
-{
-	XmsgFunctionHook *fcn;
-	int total_sent = 0;
-	int p;
-
-	for (p=0; p<MAX_XMSG_PRI; ++p) {
-		for (fcn = XmsgHookTable; fcn != NULL; fcn = fcn->next) {
-			if (fcn->order == p) {
-				total_sent +=
-					(*fcn->h_function_pointer)
-						(sender, sender_email, recp, msg);
-			}
-		}
-		/* Break out of the loop if a higher-priority function
-		 * successfully delivered the message.  This prevents duplicate
-		 * deliveries to local users simultaneously signed onto
-		 * remote services.
-		 */
-		if (total_sent) break;
-	}
-	return total_sent;
-}
-
-
-/*
- * Dirty hack until we impliment a hook mechanism for this
- */
-void CtdlModuleStartCryptoMsgs(char *ok_response, char *nosup_response, char *error_response)
-{
-#ifdef HAVE_OPENSSL
-	CtdlStartTLS (ok_response, nosup_response, error_response);
-#endif
-}
-
-
-CTDL_MODULE_INIT(modules)
-{
-	if (!threading) {
-	}
-	return "modules";
-}