X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fserv_extensions.c;h=73a1b7911094dc48858a5cf95b5d2c824c1fcee5;hb=HEAD;hp=a4c58d04883c7ba706a923648ee7fe39b50d1af5;hpb=69afe9d230c7ef68c414f0fa10a3e5624fbf0a49;p=citadel.git diff --git a/citadel/serv_extensions.c b/citadel/serv_extensions.c deleted file mode 100644 index a4c58d048..000000000 --- a/citadel/serv_extensions.c +++ /dev/null @@ -1,1484 +0,0 @@ -/* - * Citadel Dynamic Loading Module - * Written by Brian Costello - * - * 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, 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 "sysdep.h" -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "citadel.h" -#include "server.h" -#include "serv_extensions.h" -#include "sysdep_decls.h" -#include "msgbase.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" - - -int DebugModules = 0; - -/* - * Structure defentitions for hook tables - */ - -typedef struct __LogDebugEntry { - CtdlDbgFunction F; - const char *Name; - long Len; - const int *LogP; -} LogDebugEntry; -HashList *LogDebugEntryTable = NULL; - -typedef struct LogFunctionHook LogFunctionHook; -struct LogFunctionHook { - LogFunctionHook *next; - int loglevel; - void (*h_function_pointer) (char *); -}; -extern LogFunctionHook *LogHookTable; - -typedef struct FixedOutputHook FixedOutputHook; -struct FixedOutputHook { - FixedOutputHook *next; - char content_type[64]; - void (*h_function_pointer) (char *, int); -}; -extern FixedOutputHook *FixedOutputTable; - - - -/* - * 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; -}; -extern SessionFunctionHook *SessionHookTable; - - -/* - * 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; -}; -extern UserFunctionHook *UserHookTable; - -/* - * 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); - int eventtype; -}; -extern MessageFunctionHook *MessageHookTable; - - -/* - * NetprocFunctionHook extensions are used for hooks which implement handlers - * for incoming network messages. - */ -typedef struct NetprocFunctionHook NetprocFunctionHook; -struct NetprocFunctionHook { - NetprocFunctionHook *next; - int (*h_function_pointer) (struct CtdlMessage *msg, char *target_room); -}; -extern NetprocFunctionHook *NetprocHookTable; - - -/* - * 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); -}; -extern DeleteFunctionHook *DeleteHookTable; - - -/* - * 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; -}; -extern XmsgFunctionHook *XmsgHookTable; - - - - -/* - * RoomFunctionHook extensions are used for hooks which impliment room - * processing functions when new messages are added EG. SIEVE. - */ -typedef struct RoomFunctionHook RoomFunctionHook; -struct RoomFunctionHook { - RoomFunctionHook *next; - int (*fcn_ptr) (struct ctdlroom *); -}; -extern RoomFunctionHook *RoomHookTable; - - - -typedef struct SearchFunctionHook SearchFunctionHook; -struct SearchFunctionHook { - SearchFunctionHook *next; - void (*fcn_ptr) (int *, long **, const char *); - char *name; -}; -extern SearchFunctionHook *SearchFunctionHookTable; - - -CleanupFunctionHook *CleanupHookTable = NULL; -CleanupFunctionHook *EVCleanupHookTable = NULL; -SessionFunctionHook *SessionHookTable = NULL; -UserFunctionHook *UserHookTable = NULL; -XmsgFunctionHook *XmsgHookTable = NULL; -MessageFunctionHook *MessageHookTable = NULL; -NetprocFunctionHook *NetprocHookTable = NULL; -DeleteFunctionHook *DeleteHookTable = NULL; -ServiceFunctionHook *ServiceHookTable = NULL; -FixedOutputHook *FixedOutputTable = NULL; -RoomFunctionHook *RoomHookTable = NULL; -SearchFunctionHook *SearchFunctionHookTable = 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 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) -{ - 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); - - MOD_syslog(LOG_EMERG, "%s", ChrPtr(Message)); - MOD_syslog(LOG_EMERG, "%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; -} - -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 CtdlRegisterDebugFlagHook(const char *Name, long Len, CtdlDbgFunction F, const int *LogP) -{ - LogDebugEntry *E; - if (LogDebugEntryTable == NULL) - LogDebugEntryTable = NewHash(1, NULL); - E = (LogDebugEntry*) malloc(sizeof(LogDebugEntry)); - E->F = F; - E->Name = Name; - E->Len = Len; - E->LogP = LogP; - Put(LogDebugEntryTable, Name, Len, E, NULL); - -} -void CtdlSetDebugLogFacilities(const char **Str, long n) -{ - StrBuf *Token = NULL; - StrBuf *Buf = NULL; - const char *ch; - int i; - int DoAll = 0; - void *vptr; - - for (i=0; i < n; i++){ - if ((Str[i] != NULL) && !IsEmptyStr(Str[i])) { - if (strcmp(Str[i], "all") == 0) { - DoAll = 1; - continue; - } - Buf = NewStrBufPlain(Str[i], -1); - ch = NULL; - if (Token == NULL) - Token = NewStrBufPlain(NULL, StrLength(Buf)); - while ((ch != StrBufNOTNULL) && - StrBufExtract_NextToken(Token, Buf, &ch, ',')) { - if (GetHash(LogDebugEntryTable, SKEY(Token), &vptr) && - (vptr != NULL)) - { - LogDebugEntry *E = (LogDebugEntry*)vptr; - E->F(1); - } - } - } - FreeStrBuf(&Buf); - } - FreeStrBuf(&Token); - if (DoAll) { - long HKLen; - const char *ch; - HashPos *Pos; - - Pos = GetNewHashPos(LogDebugEntryTable, 0); - while (GetNextHashPos(LogDebugEntryTable, Pos, &HKLen, &ch, &vptr)) { - LogDebugEntry *E = (LogDebugEntry*)vptr; - E->F(1); - } - - DeleteHashPos(&Pos); - } -} -void cmd_log_get(char *argbuf) -{ - long HKLen; - const char *ch; - HashPos *Pos; - void *vptr; - - if (CtdlAccessCheck(ac_aide)) return; - - cprintf("%d Log modules enabled:\n", LISTING_FOLLOWS); - - Pos = GetNewHashPos(LogDebugEntryTable, 0); - - while (GetNextHashPos(LogDebugEntryTable, Pos, &HKLen, &ch, &vptr)) { - LogDebugEntry *E = (LogDebugEntry*)vptr; - cprintf("%s|%d\n", ch, *E->LogP); - } - - DeleteHashPos(&Pos); - cprintf("000\n"); -} -void cmd_log_set(char *argbuf) -{ - void *vptr; - int lset; - int wlen; - char which[SIZ] = ""; - - if (CtdlAccessCheck(ac_aide)) return; - - wlen = extract_token(which, argbuf, 0, '|', sizeof(which)); - if (wlen < 0) wlen = 0; - lset = extract_int(argbuf, 1); - if (lset != 0) lset = 1; - if (GetHash(LogDebugEntryTable, which, wlen, &vptr) && - (vptr != NULL)) - { - LogDebugEntry *E = (LogDebugEntry*)vptr; - E->F(lset); - cprintf("%d %s|%d\n", CIT_OK, which, lset); - } - else { - cprintf("%d Log setting %s not known\n", - ERROR, which); - } -} -void CtdlDestroyDebugTable(void) -{ - - DeleteHash(&LogDebugEntryTable); -} - -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); - MOD_syslog(LOG_DEBUG, "Registered server command %s (%s)\n", cmd, desc); -} - -void CtdlDestroyProtoHooks(void) -{ - - DeleteHash(&ProtoHookList); -} - - -void CtdlRegisterCleanupHook(void (*fcn_ptr) (void)) -{ - - CleanupFunctionHook *newfcn; - - newfcn = (CleanupFunctionHook *) - malloc(sizeof(CleanupFunctionHook)); - newfcn->next = CleanupHookTable; - newfcn->h_function_pointer = fcn_ptr; - CleanupHookTable = newfcn; - - MODM_syslog(LOG_DEBUG, "Registered a new cleanup function\n"); -} - - -void CtdlUnregisterCleanupHook(void (*fcn_ptr) (void)) -{ - CleanupFunctionHook *cur, *p, *last; - last = NULL; - cur = CleanupHookTable; - while (cur != NULL) - { - if (fcn_ptr == cur->h_function_pointer) - { - MODM_syslog(LOG_DEBUG, "Unregistered cleanup function\n"); - p = cur->next; - - free(cur); - cur = NULL; - - if (last != NULL) - last->next = p; - else - CleanupHookTable = p; - cur = p; - } - else { - last = cur; - cur = cur->next; - } - } -} - - -void CtdlDestroyCleanupHooks(void) -{ - CleanupFunctionHook *cur, *p; - - cur = CleanupHookTable; - while (cur != NULL) - { - MODM_syslog(LOG_DEBUG, "Destroyed cleanup function\n"); - p = cur->next; - free(cur); - cur = p; - } - CleanupHookTable = NULL; -} - -void CtdlRegisterEVCleanupHook(void (*fcn_ptr) (void)) -{ - - CleanupFunctionHook *newfcn; - - newfcn = (CleanupFunctionHook *) - malloc(sizeof(CleanupFunctionHook)); - newfcn->next = EVCleanupHookTable; - newfcn->h_function_pointer = fcn_ptr; - EVCleanupHookTable = newfcn; - - MODM_syslog(LOG_DEBUG, "Registered a new cleanup function\n"); -} - - -void CtdlUnregisterEVCleanupHook(void (*fcn_ptr) (void)) -{ - CleanupFunctionHook *cur, *p, *last; - last = NULL; - cur = EVCleanupHookTable; - while (cur != NULL) - { - if (fcn_ptr == cur->h_function_pointer) - { - MODM_syslog(LOG_DEBUG, "Unregistered cleanup function\n"); - p = cur->next; - - free(cur); - cur = NULL; - - if (last != NULL) - last->next = p; - else - EVCleanupHookTable = p; - cur = p; - } - else { - last = cur; - cur = cur->next; - } - } -} - - -void CtdlDestroyEVCleanupHooks(void) -{ - CleanupFunctionHook *cur, *p; - - cur = EVCleanupHookTable; - while (cur != NULL) - { - MODM_syslog(LOG_DEBUG, "Destroyed cleanup function\n"); - p = cur->next; - cur->h_function_pointer(); - free(cur); - cur = p; - } - EVCleanupHookTable = NULL; -} - - -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; - - MOD_syslog(LOG_DEBUG, "Registered a new session function (type %d Priority %d)\n", - 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)) - { - MOD_syslog(LOG_DEBUG, "Unregistered session function (type %d)\n", - 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 CtdlDestroySessionHooks(void) -{ - SessionFunctionHook *cur, *p; - - cur = SessionHookTable; - while (cur != NULL) - { - MODM_syslog(LOG_DEBUG, "Destroyed session function\n"); - p = cur->next; - free(cur); - cur = p; - } - SessionHookTable = NULL; -} - - -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; - - MOD_syslog(LOG_DEBUG, "Registered a new user function (type %d)\n", - 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)) - { - MOD_syslog(LOG_DEBUG, "Unregistered user function (type %d)\n", - 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 CtdlDestroyUserHooks(void) -{ - UserFunctionHook *cur, *p; - - cur = UserHookTable; - while (cur != NULL) - { - MODM_syslog(LOG_DEBUG, "Destroyed user function \n"); - p = cur->next; - free(cur); - cur = p; - } - UserHookTable = NULL; -} - - -void CtdlRegisterMessageHook(int (*handler)(struct CtdlMessage *), - int EventType) -{ - - MessageFunctionHook *newfcn; - - newfcn = (MessageFunctionHook *) - malloc(sizeof(MessageFunctionHook)); - newfcn->next = MessageHookTable; - newfcn->h_function_pointer = handler; - newfcn->eventtype = EventType; - MessageHookTable = newfcn; - - MOD_syslog(LOG_DEBUG, "Registered a new message function (type %d)\n", - EventType); -} - - -void CtdlUnregisterMessageHook(int (*handler)(struct CtdlMessage *), - int EventType) -{ - MessageFunctionHook *cur, *p, *last; - last = NULL; - cur = MessageHookTable; - while (cur != NULL) { - if ((handler == cur->h_function_pointer) && - (EventType == cur->eventtype)) - { - MOD_syslog(LOG_DEBUG, "Unregistered message function (type %d)\n", - 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 CtdlDestroyMessageHook(void) -{ - MessageFunctionHook *cur, *p; - - cur = MessageHookTable; - while (cur != NULL) - { - MOD_syslog(LOG_DEBUG, "Destroyed message function (type %d)\n", cur->eventtype); - p = cur->next; - free(cur); - cur = p; - } - MessageHookTable = NULL; -} - - -void CtdlRegisterRoomHook(int (*fcn_ptr)(struct ctdlroom *)) -{ - RoomFunctionHook *newfcn; - - newfcn = (RoomFunctionHook *) - malloc(sizeof(RoomFunctionHook)); - newfcn->next = RoomHookTable; - newfcn->fcn_ptr = fcn_ptr; - RoomHookTable = newfcn; - - MODM_syslog(LOG_DEBUG, "Registered a new room function\n"); -} - - -void CtdlUnregisterRoomHook(int (*fcn_ptr)(struct ctdlroom *)) -{ - RoomFunctionHook *cur, *p, *last; - last = NULL; - cur = RoomHookTable; - while (cur != NULL) - { - if (fcn_ptr == cur->fcn_ptr) { - MODM_syslog(LOG_DEBUG, "Unregistered room function\n"); - 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 CtdlDestroyRoomHooks(void) -{ - RoomFunctionHook *cur, *p; - - cur = RoomHookTable; - while (cur != NULL) - { - MODM_syslog(LOG_DEBUG, "Destroyed room function\n"); - p = cur->next; - free(cur); - cur = p; - } - RoomHookTable = NULL; -} - -void CtdlRegisterNetprocHook(int (*handler)(struct CtdlMessage *, char *) ) -{ - NetprocFunctionHook *newfcn; - - newfcn = (NetprocFunctionHook *) - malloc(sizeof(NetprocFunctionHook)); - newfcn->next = NetprocHookTable; - newfcn->h_function_pointer = handler; - NetprocHookTable = newfcn; - - MODM_syslog(LOG_DEBUG, "Registered a new netproc function\n"); -} - - -void CtdlUnregisterNetprocHook(int (*handler)(struct CtdlMessage *, char *) ) -{ - NetprocFunctionHook *cur, *p, *last; - - cur = NetprocHookTable; - last = NULL; - - while (cur != NULL) { - if (handler == cur->h_function_pointer) - { - MODM_syslog(LOG_DEBUG, "Unregistered netproc function\n"); - p = cur->next; - free(cur); - if (last != NULL) { - last->next = p; - } - else { - NetprocHookTable = p; - } - cur = p; - } - else { - last = cur; - cur = cur->next; - } - } -} - -void CtdlDestroyNetprocHooks(void) -{ - NetprocFunctionHook *cur, *p; - - cur = NetprocHookTable; - while (cur != NULL) - { - MODM_syslog(LOG_DEBUG, "Destroyed netproc function\n"); - p = cur->next; - free(cur); - cur = p; - } - NetprocHookTable = NULL; -} - - -void CtdlRegisterDeleteHook(void (*handler)(char *, long) ) -{ - DeleteFunctionHook *newfcn; - - newfcn = (DeleteFunctionHook *) - malloc(sizeof(DeleteFunctionHook)); - newfcn->next = DeleteHookTable; - newfcn->h_function_pointer = handler; - DeleteHookTable = newfcn; - - MODM_syslog(LOG_DEBUG, "Registered a new delete function\n"); -} - - -void CtdlUnregisterDeleteHook(void (*handler)(char *, long) ) -{ - DeleteFunctionHook *cur, *p, *last; - - last = NULL; - cur = DeleteHookTable; - while (cur != NULL) { - if (handler == cur->h_function_pointer ) - { - MODM_syslog(LOG_DEBUG, "Unregistered delete function\n"); - p = cur->next; - free(cur); - - if (last != NULL) - last->next = p; - else - DeleteHookTable = p; - - cur = p; - } - else { - last = cur; - cur = cur->next; - } - } -} -void CtdlDestroyDeleteHooks(void) -{ - DeleteFunctionHook *cur, *p; - - cur = DeleteHookTable; - while (cur != NULL) - { - MODM_syslog(LOG_DEBUG, "Destroyed delete function\n"); - p = cur->next; - free(cur); - cur = p; - } - DeleteHookTable = NULL; -} - - - - -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; - - MOD_syslog(LOG_DEBUG, "Registered a new fixed output function for %s\n", 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)) { - MOD_syslog(LOG_DEBUG, - "Unregistered fixed output function for %s\n", - content_type); - - p = cur->next; - free(cur); - - if (last != NULL) - last->next = p; - else - FixedOutputTable = p; - - cur = p; - } - else - { - last = cur; - cur = cur->next; - } - } -} - -void CtdlDestroyFixedOutputHooks(void) -{ - FixedOutputHook *cur, *p; - - cur = FixedOutputTable; - while (cur != NULL) - { - MOD_syslog(LOG_DEBUG, "Destroyed fixed output function for %s\n", cur->content_type); - p = cur->next; - free(cur); - cur = p; - - } - FixedOutputTable = NULL; -} - -/* 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; - MOD_syslog(LOG_DEBUG, "Registered a new x-msg function (priority %d)\n", 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) { - MOD_syslog(LOG_DEBUG, "Unregistered x-msg function " - "(priority %d)\n", order); - p = cur->next; - free(cur); - - if (last != NULL) - last->next = p; - else - XmsgHookTable = p; - - cur = p; - } - else { - last = cur; - cur = cur->next; - } - } -} - -void CtdlDestroyXmsgHooks(void) -{ - XmsgFunctionHook *cur, *p; - - cur = XmsgHookTable; - while (cur != NULL) - { - MOD_syslog(LOG_DEBUG, "Destroyed x-msg function " - "(priority %d)\n", cur->order); - p = cur->next; - - free(cur); - cur = p; - } - XmsgHookTable = NULL; -} - - -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; - char error[SIZ]; - - strcpy(error, ""); - 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, config.c_maxsessions, error); - snprintf(message, SIZ, "Unix domain socket '%s': ", sockpath); - } - else if (tcp_port <= 0) { /* port -1 to disable */ - MOD_syslog(LOG_INFO, "Service %s has been manually disabled, skipping\n", ServiceName); - free (message); - free(newfcn); - return; - } - else { - newfcn->msock = ctdl_tcp_server(config.c_ip_addr, - tcp_port, - config.c_maxsessions, - error); - snprintf(message, SIZ, "TCP port %s:%d: (%s) ", - config.c_ip_addr, tcp_port, ServiceName); - } - - if (newfcn->msock > 0) { - ServiceHookTable = newfcn; - strcat(message, "registered."); - MOD_syslog(LOG_INFO, "%s\n", message); - } - else { - AddPortError(message, error); - strcat(message, "FAILED."); - MOD_syslog(LOG_CRIT, "%s\n", 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) { - MOD_syslog(LOG_INFO, "Closed UNIX domain socket %s\n", - sockpath); - unlink(sockpath); - } else if (tcp_port) { - MOD_syslog(LOG_INFO, "Closed TCP port %d\n", tcp_port); - } else { - MOD_syslog(LOG_INFO, "Unregistered service \"%s\"\n", 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){ - MOD_syslog(LOG_INFO, "[%s] Closed UNIX domain socket %s\n", - cur->ServiceName, - cur->sockpath); - unlink(cur->sockpath); - } else { - MOD_syslog(LOG_INFO, "[%s] closing service\n", - cur->ServiceName); - } - } - cur = cur->next; - } -} - -void CtdlDestroyServiceHook(void) -{ - const char *Text; - ServiceFunctionHook *cur, *p; - - cur = ServiceHookTable; - while (cur != NULL) - { - if (cur->msock != -1) - { - close(cur->msock); - Text = "Closed"; - } - else - { - Text = " Not closing again"; - } - - if (cur->sockpath) { - MOD_syslog(LOG_INFO, "%s UNIX domain socket %s\n", - Text, - cur->sockpath); - unlink(cur->sockpath); - } else if (cur->tcp_port) { - MOD_syslog(LOG_INFO, "%s TCP port %d\n", Text, cur->tcp_port); - } else { - MOD_syslog(LOG_INFO, "Destroyed service \"%s\"\n", cur->ServiceName); - } - p = cur->next; - free(cur); - cur = p; - } - ServiceHookTable = NULL; -} - -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; - - MOD_syslog(LOG_DEBUG, "Registered a new search function (%s)\n", 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)) - { - MOD_syslog(LOG_DEBUG, "Unregistered search function(%s)\n", name); - p = cur->next; - free (cur); - if (last != NULL) - last->next = p; - else - SearchFunctionHookTable = p; - cur = p; - } - else { - last = cur; - cur = cur->next; - } - } -} - -void CtdlDestroySearchHooks(void) -{ - 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) -{ - 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, 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. - MOD_syslog(LOG_DEBUG, "** Event type is %d, flags are %d\n", EventType, msg->cm_flags); - */ - if (msg->cm_flags & CM_SKIP_HOOKS) { - MODM_syslog(LOG_DEBUG, "Skipping hooks\n"); - 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); - } - } - - /* 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; - - MOD_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); - } - - /* Return the sum of the return codes from the hook functions. - */ - return total_retval; -} - - -int PerformNetprocHooks(struct CtdlMessage *msg, char *target_room) -{ - NetprocFunctionHook *fcn; - int total_retval = 0; - - for (fcn = NetprocHookTable; fcn != NULL; fcn = fcn->next) { - total_retval = total_retval + - (*fcn->h_function_pointer) (msg, target_room); - } - - /* Return the sum of the return codes from the hook functions. - * A nonzero return code will cause the message to *not* be imported. - */ - 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; pnext) { - 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 -} - -void DebugModulesEnable(const int n) -{ - DebugModules = n; -} -CTDL_MODULE_INIT(modules) -{ - if (!threading) { - CtdlRegisterDebugFlagHook(HKEY("modules"), DebugModulesEnable, &DebugModules); - - CtdlRegisterProtoHook(cmd_log_get, "LOGP", "Print Log-parameters"); - CtdlRegisterProtoHook(cmd_log_set, "LOGS", "Set Log-parameters"); - } - return "modules"; -}