int total_msgs = 0;
-/*
- * Code which implements the export appears in this section
- */
+/******************************************************************************
+ * Code which implements the export appears in this section *
+ ******************************************************************************/
/*
* Output a string to the client with these characters escaped: & < >
-
-/*
- * Here's the code that implements the import side. It's going to end up being
- * one big loop with lots of global variables. I don't care. You wouldn't run
- * multiple concurrent imports anyway. If this offends your delicate sensibilities
- * then go rewrite it in Ruby on Rails or something.
- */
+/******************************************************************************
+ * Import code *
+ * Here's the code that implements the import side. It's going to end up *
+ * being one big loop with lots of global variables. I don't care. *
+ * You wouldn't run multiple concurrent imports anyway. If this offends your *
+ * delicate sensibilities then go rewrite it in Ruby on Rails or something. *
+ ******************************************************************************/
int citadel_migrate_data = 0; /* Are we inside a <citadel_migrate_data> tag pair? */
+/******************************************************************************
+ * Dispatcher, Common code *
+ ******************************************************************************/
/*
* Dump out the pathnames of directories which can be copied "as is"
*/
cprintf("000\n");
}
+/******************************************************************************
+ * Repair database integrity *
+ ******************************************************************************/
-/*
- * Common code appears in this section
- */
+StrBuf *PlainMessageBuf = NULL;
+HashList *UsedMessageIDS = NULL;
+
+int migr_restore_message_metadata(long msgnum, int refcount)
+{
+ CitContext *CCC = MyContext();
+ struct MetaData smi;
+ struct CtdlMessage *msg;
+ char *mptr = NULL;
+
+ /* We can use a static buffer here because there will never be more than
+ * one of this operation happening at any given time, and it's really best
+ * to just keep it allocated once instead of torturing malloc/free.
+ * Call this function with msgnum "-1" to free the buffer when finished.
+ */
+ static int encoded_alloc = 0;
+ static char *encoded_msg = NULL;
+
+ if (msgnum < 0) {
+ if ((encoded_alloc == 0) && (encoded_msg != NULL)) {
+ free(encoded_msg);
+ encoded_alloc = 0;
+ encoded_msg = NULL;
+ // todo FreeStrBuf(&PlainMessageBuf); PlainMessageBuf = NULL;
+ }
+ return 0;
+ }
+ if (PlainMessageBuf == NULL) {
+ PlainMessageBuf = NewStrBufPlain(NULL, 10*SIZ);
+ }
+ /* Ok, here we go ... */
+
+ msg = CtdlFetchMessage(msgnum, 1, 0);
+ if (msg == NULL) {
+ return 1;
+ }
+
+ GetMetaData(&smi, msgnum);
+ smi.meta_msgnum = msgnum;
+ smi.meta_refcount = refcount;
+
+ /* restore the content type from the message body: */
+ mptr = bmstrcasestr(msg->cm_fields[eMesageText], "Content-type:");
+ if (mptr != NULL) {
+ char *aptr;
+ safestrncpy(smi.meta_content_type, &mptr[13], sizeof smi.meta_content_type);
+ striplt(smi.meta_content_type);
+ aptr = smi.meta_content_type;
+ while (!IsEmptyStr(aptr)) {
+ if ((*aptr == ';')
+ || (*aptr == ' ')
+ || (*aptr == 13)
+ || (*aptr == 10)) {
+ memset(aptr, 0, sizeof(smi.meta_content_type) - (aptr - smi.meta_content_type));
+ }
+ else aptr++;
+ }
+ }
+
+ CCC->redirect_buffer = PlainMessageBuf;
+ CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
+ smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
+ CCC->redirect_buffer = NULL;
+
+
+ syslog(LOG_INFO,
+ "Setting message #%ld meta data to: refcount=%d, bodylength=%ld, content-type: %s / %s \n",
+ smi.meta_msgnum,
+ smi.meta_refcount,
+ smi.meta_rfc822_length,
+ smi.meta_content_type,
+ smi.mimetype);
+
+ PutMetaData(&smi);
+
+ CM_Free(msg);
+
+ return 0;
+}
+
+void migr_check_room_msg(long msgnum, void *userdata) {
+ fprintf(migr_global_message_list, "%ld %s\n", msgnum, CC->room.QRname);
+}
+
+
+void migr_check_rooms_backend(struct ctdlroom *buf, void *data) {
+
+ /* message list goes inside this tag */
+
+ CtdlGetRoom(&CC->room, buf->QRname);
+ CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, migr_check_room_msg, NULL);
+}
+
+void RemoveMessagesFromRooms(StrBuf *RoomNameVec, long msgnum) {
+ struct MetaData smi;
+ const char *Pos = NULL;
+ StrBuf *oneRoom = NewStrBuf();
+
+ syslog(LOG_INFO, "removing message pointer %ld from these rooms: %s", msgnum, ChrPtr(RoomNameVec));
+
+ while (Pos != StrBufNOTNULL){
+ StrBufExtract_NextToken(oneRoom, RoomNameVec, &Pos, '|');
+ CtdlDeleteMessages(ChrPtr(oneRoom), &msgnum, 1, "");
+ };
+ GetMetaData(&smi, msgnum);
+ TDAP_AdjRefCount(msgnum, -smi.meta_refcount);
+}
+
+void migr_do_restore_meta(void) {
+ char buf[SIZ];
+ int failGetMessage;
+ long msgnum;
+ int lastnum = 0;
+ int refcount = 0;
+ int count = 0;
+ CitContext *Ctx;
+ char *prn;
+ StrBuf *RoomNames;
+ char cmd[SIZ];
+
+ migr_global_message_list = fopen(migr_tempfilename1, "w");
+ if (migr_global_message_list != NULL) {
+ CtdlForEachRoom(migr_check_rooms_backend, NULL);
+ fclose(migr_global_message_list);
+ }
+
+ /*
+ * Process the 'global' message list. (Sort it and remove dups.
+ * Dups are ok because a message may be in more than one room, but
+ * this will be handled by exporting the reference count, not by
+ * exporting the message multiple times.)
+ */
+ snprintf(cmd, sizeof cmd, "sort -n <%s >%s", migr_tempfilename1, migr_tempfilename2);
+ if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d\n", errno);
+
+ RoomNames = NewStrBuf();
+ Ctx = CC;
+ migr_global_message_list = fopen(migr_tempfilename2, "r");
+ if (migr_global_message_list != NULL) {
+ syslog(LOG_INFO, "Opened %s\n", migr_tempfilename1);
+ while ((Ctx->kill_me == 0) &&
+ (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
+ msgnum = atol(buf);
+ if (msgnum == 0L)
+ continue;
+ if (lastnum == 0) {
+ lastnum = msgnum;
+ }
+ prn = strchr(buf, ' ');
+ if (lastnum != msgnum) {
+ failGetMessage = migr_restore_message_metadata(lastnum, refcount);
+ if (failGetMessage) {
+ RemoveMessagesFromRooms(RoomNames, lastnum);
+ }
+ refcount = 1;
+ lastnum = msgnum;
+ if (prn != NULL)
+ StrBufPlain(RoomNames, prn + 1, -1);
+ StrBufTrim(RoomNames);
+ }
+ else {
+ if (prn != NULL) {
+ if (StrLength(RoomNames) > 0)
+ StrBufAppendBufPlain(RoomNames, HKEY("|"), 0);
+ StrBufAppendBufPlain(RoomNames, prn, -1, 1);
+ StrBufTrim(RoomNames);
+ }
+ refcount ++;
+ }
+ lastnum = msgnum;
+ }
+ failGetMessage = migr_restore_message_metadata(msgnum, refcount);
+ if (failGetMessage) {
+ RemoveMessagesFromRooms(RoomNames, lastnum);
+ }
+ fclose(migr_global_message_list);
+ }
+
+ if (Ctx->kill_me == 0)
+ syslog(LOG_INFO, "Exported %d messages.\n", count);
+ else
+ syslog(LOG_ERR, "Export aborted due to client disconnect! \n");
+
+ migr_restore_message_metadata(-1L, -1); /* This frees the encoding buffer */
+}
+
+
+
+
+/******************************************************************************
+ * Dispatcher, Common code *
+ ******************************************************************************/
void cmd_migr(char *cmdbuf) {
char cmd[32];
else if (!strcasecmp(cmd, "listdirs")) {
migr_do_listdirs();
}
+ else if (!strcasecmp(cmd, "restoremeta")) {
+ migr_do_restore_meta();
+ }
else {
cprintf("%d illegal command\n", ERROR + ILLEGAL_VALUE);
}
}
}
+/******************************************************************************
+ * Module Hook *
+ ******************************************************************************/
CTDL_MODULE_INIT(migrate)
{