citadel/modules/migrate/serv_migrate.c

   1 /*
   2  * This module dumps and/or loads the Citadel database in XML format.
   3  *
   4  * Copyright (c) 1987-2018 by the citadel.org team
   5  *
   6  * This program is open source software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 3.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 /*
  16  * Explanation of <progress> tags:
  17  *
  18  * 0%              nothing
  19  * 2%              finished exporting configuration
  20  * 7%              finished exporting users
  21  * 12%             finished exporting openids
  22  * 17%             finished exporting rooms
  23  * 18%             finished exporting floors
  24  * 25%             finished exporting visits
  25  * 100%            finished exporting messages
  26  */
  27
  28 #include "sysdep.h"
  29 #include <stdlib.h>
  30 #include <unistd.h>
  31 #include <stdio.h>
  32 #include <fcntl.h>
  33 #include <signal.h>
  34 #include <pwd.h>
  35 #include <errno.h>
  36 #include <sys/types.h>
  37
  38 #if TIME_WITH_SYS_TIME
  39 # include <sys/time.h>
  40 # include <time.h>
  41 #else
  42 # if HAVE_SYS_TIME_H
  43 #  include <sys/time.h>
  44 # else
  45 #  include <time.h>
  46 # endif
  47 #endif
  48
  49 #include <sys/wait.h>
  50 #include <string.h>
  51 #include <ctype.h>
  52 #include <limits.h>
  53 #include <expat.h>
  54 #include <libcitadel.h>
  55 #include "citadel.h"
  56 #include "server.h"
  57 #include "citserver.h"
  58 #include "support.h"
  59 #include "config.h"
  60 #include "database.h"
  61 #include "msgbase.h"
  62 #include "user_ops.h"
  63 #include "euidindex.h"
  64 #include "ctdl_module.h"
  65
  66 #define END_OF_MESSAGE  "---eom---dbd---"
  67
  68 char migr_tempfilename1[PATH_MAX];
  69 char migr_tempfilename2[PATH_MAX];
  70 FILE *migr_global_message_list;
  71 int total_msgs = 0;
  72 char *ikey = NULL;                      // If we're importing a config key we store it here.
  73
  74
  75 /******************************************************************************
  76  *        Code which implements the export appears in this section            *
  77  ******************************************************************************/
  78
  79 /*
  80  * Output a string to the client with these characters escaped:  & < > " '
  81  */
  82 void xml_strout(char *str) {
  83
  84         char *c = str;
  85
  86         if (str == NULL) {
  87                 return;
  88         }
  89
  90         while (*c != 0) {
  91                 if (*c == '\"') {
  92                         client_write(HKEY("&quot;"));
  93                 }
  94                 else if (*c == '\'') {
  95                         client_write(HKEY("&apos;"));
  96                 }
  97                 else if (*c == '<') {
  98                         client_write(HKEY("&lt;"));
  99                 }
 100                 else if (*c == '>') {
 101                         client_write(HKEY("&gt;"));
 102                 }
 103                 else if (*c == '&') {
 104                         client_write(HKEY("&amp;"));
 105                 }
 106                 else {
 107                         client_write(c, 1);
 108                 }
 109                 ++c;
 110         }
 111 }
 112
 113
 114 /*
 115  * Export a user record as XML
 116  */
 117 void migr_export_users_backend(struct ctdluser *buf, void *data) {
 118         client_write(HKEY("<user>\n"));
 119         cprintf("<u_version>%d</u_version>\n", buf->version);
 120         cprintf("<u_uid>%ld</u_uid>\n", (long)buf->uid);
 121         client_write(HKEY("<u_password>"));     xml_strout(buf->password);              client_write(HKEY("</u_password>\n"));
 122         cprintf("<u_flags>%u</u_flags>\n", buf->flags);
 123         cprintf("<u_timescalled>%ld</u_timescalled>\n", buf->timescalled);
 124         cprintf("<u_posted>%ld</u_posted>\n", buf->posted);
 125         cprintf("<u_axlevel>%d</u_axlevel>\n", buf->axlevel);
 126         cprintf("<u_usernum>%ld</u_usernum>\n", buf->usernum);
 127         cprintf("<u_lastcall>%ld</u_lastcall>\n", (long)buf->lastcall);
 128         cprintf("<u_USuserpurge>%d</u_USuserpurge>\n", buf->USuserpurge);
 129         client_write(HKEY("<u_fullname>"));     xml_strout(buf->fullname);              client_write(HKEY("</u_fullname>\n"));
 130         cprintf("<u_msgnum_bio>%ld</u_msgnum_bio>\n", buf->msgnum_bio);
 131         cprintf("<u_msgnum_pic>%ld</u_msgnum_pic>\n", buf->msgnum_pic);
 132         client_write(HKEY("</user>\n"));
 133 }
 134
 135
 136 void migr_export_users(void) {
 137         ForEachUser(migr_export_users_backend, NULL);
 138 }
 139
 140
 141 void migr_export_room_msg(long msgnum, void *userdata) {
 142         cprintf("%ld\n", msgnum);
 143         fprintf(migr_global_message_list, "%ld\n", msgnum);
 144 }
 145
 146
 147 void migr_export_rooms_backend(struct ctdlroom *buf, void *data) {
 148         client_write(HKEY("<room>\n"));
 149         client_write(HKEY("<QRname>")); xml_strout(buf->QRname);        client_write(HKEY("</QRname>\n"));
 150         client_write(HKEY("<QRpasswd>"));       xml_strout(buf->QRpasswd);      client_write(HKEY("</QRpasswd>\n"));
 151         cprintf("<QRroomaide>%ld</QRroomaide>\n", buf->QRroomaide);
 152         cprintf("<QRhighest>%ld</QRhighest>\n", buf->QRhighest);
 153         cprintf("<QRgen>%ld</QRgen>\n", (long)buf->QRgen);
 154         cprintf("<QRflags>%u</QRflags>\n", buf->QRflags);
 155         if (buf->QRflags & QR_DIRECTORY) {
 156                 client_write(HKEY("<QRdirname>"));
 157                 xml_strout(buf->QRdirname);
 158                 client_write(HKEY("</QRdirname>\n"));
 159         }
 160         cprintf("<QRfloor>%d</QRfloor>\n", buf->QRfloor);
 161         cprintf("<QRmtime>%ld</QRmtime>\n", (long)buf->QRmtime);
 162         cprintf("<QRexpire_mode>%d</QRexpire_mode>\n", buf->QRep.expire_mode);
 163         cprintf("<QRexpire_value>%d</QRexpire_value>\n", buf->QRep.expire_value);
 164         cprintf("<QRnumber>%ld</QRnumber>\n", buf->QRnumber);
 165         cprintf("<QRorder>%d</QRorder>\n", buf->QRorder);
 166         cprintf("<QRflags2>%u</QRflags2>\n", buf->QRflags2);
 167         cprintf("<QRdefaultview>%d</QRdefaultview>\n", buf->QRdefaultview);
 168         cprintf("<msgnum_info>%ld</msgnum_info>\n", buf->msgnum_info);
 169         cprintf("<msgnum_pic>%ld</msgnum_pic>\n", buf->msgnum_pic);
 170         client_write(HKEY("</room>\n"));
 171
 172         /* message list goes inside this tag */
 173
 174         CtdlGetRoom(&CC->room, buf->QRname);
 175         client_write(HKEY("<room_messages>"));
 176         client_write(HKEY("<FRname>")); xml_strout(CC->room.QRname);    client_write(HKEY("</FRname>\n"));
 177         client_write(HKEY("<FRmsglist>"));
 178         CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, migr_export_room_msg, NULL);
 179         client_write(HKEY("</FRmsglist>\n"));
 180         client_write(HKEY("</room_messages>\n"));
 181
 182
 183 }
 184
 185
 186 void migr_export_rooms(void) {
 187         char cmd[SIZ];
 188         migr_global_message_list = fopen(migr_tempfilename1, "w");
 189         if (migr_global_message_list != NULL) {
 190                 CtdlForEachRoom(migr_export_rooms_backend, NULL);
 191                 fclose(migr_global_message_list);
 192         }
 193
 194         /*
 195          * Process the 'global' message list.  (Sort it and remove dups.
 196          * Dups are ok because a message may be in more than one room, but
 197          * this will be handled by exporting the reference count, not by
 198          * exporting the message multiple times.)
 199          */
 200         snprintf(cmd, sizeof cmd, "sort -n <%s >%s", migr_tempfilename1, migr_tempfilename2);
 201         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d", errno);
 202         snprintf(cmd, sizeof cmd, "uniq <%s >%s", migr_tempfilename2, migr_tempfilename1);
 203         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d", errno);
 204
 205
 206         snprintf(cmd, sizeof cmd, "wc -l %s", migr_tempfilename1);
 207         FILE *fp = popen(cmd, "r");
 208         if (fp) {
 209                 fgets(cmd, sizeof cmd, fp);
 210                 pclose(fp);
 211                 total_msgs = atoi(cmd);
 212         }
 213         else {
 214                 total_msgs = 1; // any nonzero just to keep it from barfing
 215         }
 216         syslog(LOG_DEBUG, "Total messages to be exported: %d", total_msgs);
 217 }
 218
 219
 220 void migr_export_floors(void) {
 221         struct floor qfbuf, *buf;
 222         int i;
 223
 224         for (i=0; i < MAXFLOORS; ++i) {
 225                 client_write(HKEY("<floor>\n"));
 226                 cprintf("<f_num>%d</f_num>\n", i);
 227                 CtdlGetFloor(&qfbuf, i);
 228                 buf = &qfbuf;
 229                 cprintf("<f_flags>%u</f_flags>\n", buf->f_flags);
 230                 client_write(HKEY("<f_name>")); xml_strout(buf->f_name); client_write(HKEY("</f_name>\n"));
 231                 cprintf("<f_ref_count>%d</f_ref_count>\n", buf->f_ref_count);
 232                 cprintf("<f_ep_expire_mode>%d</f_ep_expire_mode>\n", buf->f_ep.expire_mode);
 233                 cprintf("<f_ep_expire_value>%d</f_ep_expire_value>\n", buf->f_ep.expire_value);
 234                 client_write(HKEY("</floor>\n"));
 235         }
 236 }
 237
 238
 239 /*
 240  * Return nonzero if the supplied string contains only characters which are valid in a sequence set.
 241  */
 242 int is_sequence_set(char *s) {
 243         if (!s) return(0);
 244
 245         char *c = s;
 246         char ch;
 247         while (ch = *c++, ch) {
 248                 if (!strchr("0123456789*,:", ch)) {
 249                         return(0);
 250                 }
 251         }
 252         return(1);
 253 }
 254
 255
 256
 257 /*
 258  *  Traverse the visits file...
 259  */
 260 void migr_export_visits(void) {
 261         visit vbuf;
 262         struct cdbdata *cdbv;
 263
 264         cdb_rewind(CDB_VISIT);
 265
 266         while (cdbv = cdb_next_item(CDB_VISIT), cdbv != NULL) {
 267                 memset(&vbuf, 0, sizeof(visit));
 268                 memcpy(&vbuf, cdbv->ptr,
 269                        ((cdbv->len > sizeof(visit)) ?
 270                         sizeof(visit) : cdbv->len));
 271                 cdb_free(cdbv);
 272
 273                 client_write(HKEY("<visit>\n"));
 274                 cprintf("<v_roomnum>%ld</v_roomnum>\n", vbuf.v_roomnum);
 275                 cprintf("<v_roomgen>%ld</v_roomgen>\n", vbuf.v_roomgen);
 276                 cprintf("<v_usernum>%ld</v_usernum>\n", vbuf.v_usernum);
 277
 278                 client_write(HKEY("<v_seen>"));
 279                 if ( (!IsEmptyStr(vbuf.v_seen)) && (is_sequence_set(vbuf.v_seen)) ) {
 280                         xml_strout(vbuf.v_seen);
 281                 }
 282                 else {
 283                         cprintf("%ld", vbuf.v_lastseen);
 284                 }
 285                 client_write(HKEY("</v_seen>"));
 286
 287                 if ( (!IsEmptyStr(vbuf.v_answered)) && (is_sequence_set(vbuf.v_answered)) ) {
 288                         client_write(HKEY("<v_answered>"));
 289                         xml_strout(vbuf.v_answered);
 290                         client_write(HKEY("</v_answered>\n"));
 291                 }
 292
 293                 cprintf("<v_flags>%u</v_flags>\n", vbuf.v_flags);
 294                 cprintf("<v_view>%d</v_view>\n", vbuf.v_view);
 295                 client_write(HKEY("</visit>\n"));
 296         }
 297 }
 298
 299
 300 void migr_export_message(long msgnum) {
 301         struct MetaData smi;
 302         struct CtdlMessage *msg;
 303         struct ser_ret smr;
 304
 305         /* We can use a static buffer here because there will never be more than
 306          * one of this operation happening at any given time, and it's really best
 307          * to just keep it allocated once instead of torturing malloc/free.
 308          * Call this function with msgnum "-1" to free the buffer when finished.
 309          */
 310         static int encoded_alloc = 0;
 311         static char *encoded_msg = NULL;
 312
 313         if (msgnum < 0) {
 314                 if ((encoded_alloc == 0) && (encoded_msg != NULL)) {
 315                         free(encoded_msg);
 316                         encoded_alloc = 0;
 317                         encoded_msg = NULL;
 318                 }
 319                 return;
 320         }
 321
 322         /* Ok, here we go ... */
 323
 324         msg = CtdlFetchMessage(msgnum, 1, 0);
 325         if (msg == NULL) return;        /* fail silently */
 326
 327         client_write(HKEY("<message>\n"));
 328         GetMetaData(&smi, msgnum);
 329         cprintf("<msg_msgnum>%ld</msg_msgnum>\n", msgnum);
 330         cprintf("<msg_meta_refcount>%d</msg_meta_refcount>\n", smi.meta_refcount);
 331         cprintf("<msg_meta_rfc822_length>%ld</msg_meta_rfc822_length>\n", smi.meta_rfc822_length);
 332         client_write(HKEY("<msg_meta_content_type>")); xml_strout(smi.meta_content_type); client_write(HKEY("</msg_meta_content_type>\n"));
 333
 334         client_write(HKEY("<msg_text>"));
 335         CtdlSerializeMessage(&smr, msg);
 336         CM_Free(msg);
 337
 338         /* Predict the buffer size we need.  Expand the buffer if necessary. */
 339         int encoded_len = smr.len * 15 / 10 ;
 340         if (encoded_len > encoded_alloc) {
 341                 encoded_alloc = encoded_len;
 342                 encoded_msg = realloc(encoded_msg, encoded_alloc);
 343         }
 344
 345         if (encoded_msg == NULL) {
 346                 /* Questionable hack that hopes it'll work next time and we only lose one message */
 347                 encoded_alloc = 0;
 348         }
 349         else {
 350                 /* Once we do the encoding we know the exact size */
 351                 encoded_len = CtdlEncodeBase64(encoded_msg, (char *)smr.ser, smr.len, 1);
 352                 client_write(encoded_msg, encoded_len);
 353         }
 354
 355         free(smr.ser);
 356
 357         client_write(HKEY("</msg_text>\n"));
 358         client_write(HKEY("</message>\n"));
 359 }
 360
 361
 362
 363 void migr_export_openids(void) {
 364         struct cdbdata *cdboi;
 365         long usernum;
 366         char url[512];
 367
 368         cdb_rewind(CDB_EXTAUTH);
 369         while (cdboi = cdb_next_item(CDB_EXTAUTH), cdboi != NULL) {
 370                 if (cdboi->len > sizeof(long)) {
 371                         client_write(HKEY("<openid>\n"));
 372                         memcpy(&usernum, cdboi->ptr, sizeof(long));
 373                         snprintf(url, sizeof url, "%s", (cdboi->ptr)+sizeof(long) );
 374                         client_write(HKEY("<oid_url>"));
 375                         xml_strout(url);
 376                         client_write(HKEY("</oid_url>\n"));
 377                         cprintf("<oid_usernum>%ld</oid_usernum>\n", usernum);
 378                         client_write(HKEY("</openid>\n"));
 379                 }
 380                 cdb_free(cdboi);
 381         }
 382 }
 383
 384
 385 void migr_export_configs(void) {
 386         struct cdbdata *cdbcfg;
 387         int keylen = 0;
 388         char *key = NULL;
 389         char *value = NULL;
 390
 391         cdb_rewind(CDB_CONFIG);
 392         while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 393
 394                 keylen = strlen(cdbcfg->ptr);
 395                 key = cdbcfg->ptr;
 396                 value = cdbcfg->ptr + keylen + 1;
 397
 398                 client_write("<config key=\"", 13);
 399                 xml_strout(key);
 400                 client_write("\">", 2);
 401                 xml_strout(value);
 402                 client_write("</config>\n", 10);
 403                 cdb_free(cdbcfg);
 404         }
 405 }
 406
 407
 408
 409
 410 void migr_export_messages(void) {
 411         char buf[SIZ];
 412         long msgnum;
 413         int count = 0;
 414         int progress = 0;
 415         int prev_progress = 0;
 416         CitContext *Ctx;
 417
 418         Ctx = CC;
 419         migr_global_message_list = fopen(migr_tempfilename1, "r");
 420         if (migr_global_message_list != NULL) {
 421                 syslog(LOG_INFO, "Opened %s", migr_tempfilename1);
 422                 while ((Ctx->kill_me == 0) &&
 423                        (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
 424                         msgnum = atol(buf);
 425                         if (msgnum > 0L) {
 426                                 migr_export_message(msgnum);
 427                                 ++count;
 428                         }
 429                         progress = (count * 74 / total_msgs) + 25 ;
 430                         if ((progress > prev_progress) && (progress < 100)) {
 431                                 cprintf("<progress>%d</progress>\n", progress);
 432                         }
 433                         prev_progress = progress;
 434                 }
 435                 fclose(migr_global_message_list);
 436         }
 437         if (Ctx->kill_me == 0)
 438                 syslog(LOG_INFO, "Exported %d messages.", count);
 439         else
 440                 syslog(LOG_ERR, "Export aborted due to client disconnect!");
 441
 442         migr_export_message(-1L);       /* This frees the encoding buffer */
 443 }
 444
 445
 446
 447 void migr_do_export(void) {
 448         CitContext *Ctx;
 449
 450         Ctx = CC;
 451         cprintf("%d Exporting all Citadel databases.\n", LISTING_FOLLOWS);
 452         Ctx->dont_term = 1;
 453
 454         client_write(HKEY("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n"));
 455         client_write(HKEY("<citadel_migrate_data>\n"));
 456         cprintf("<version>%d</version>\n", REV_LEVEL);
 457         cprintf("<progress>%d</progress>\n", 0);
 458
 459         /* export the configuration database */
 460         migr_export_configs();
 461         cprintf("<progress>%d</progress>\n", 2);
 462
 463         if (Ctx->kill_me == 0)  migr_export_users();
 464         cprintf("<progress>%d</progress>\n", 7);
 465         if (Ctx->kill_me == 0)  migr_export_openids();
 466         cprintf("<progress>%d</progress>\n", 12);
 467         if (Ctx->kill_me == 0)  migr_export_rooms();
 468         cprintf("<progress>%d</progress>\n", 17);
 469         if (Ctx->kill_me == 0)  migr_export_floors();
 470         cprintf("<progress>%d</progress>\n", 18);
 471         if (Ctx->kill_me == 0)  migr_export_visits();
 472         cprintf("<progress>%d</progress>\n", 25);
 473         if (Ctx->kill_me == 0)  migr_export_messages();
 474         client_write(HKEY("</citadel_migrate_data>\n"));
 475         cprintf("<progress>%d</progress>\n", 100);
 476         client_write(HKEY("000\n"));
 477         Ctx->dont_term = 0;
 478 }
 479
 480
 481
 482
 483 /******************************************************************************
 484  *                              Import code                                   *
 485  *    Here's the code that implements the import side.  It's going to end up  *
 486  *        being one big loop with lots of global variables.  I don't care.    *
 487  * You wouldn't run multiple concurrent imports anyway.  If this offends your *
 488  * delicate sensibilities  then go rewrite it in Ruby on Rails or something.  *
 489  ******************************************************************************/
 490
 491
 492 int citadel_migrate_data = 0;           /* Are we inside a <citadel_migrate_data> tag pair? */
 493 StrBuf *migr_chardata = NULL;
 494 StrBuf *migr_MsgData = NULL;
 495 struct ctdluser usbuf;
 496 struct ctdlroom qrbuf;
 497 char openid_url[512];
 498 long openid_usernum = 0;
 499 char FRname[ROOMNAMELEN];
 500 struct floor flbuf;
 501 int floornum = 0;
 502 visit vbuf;
 503 struct MetaData smi;
 504 long import_msgnum = 0;
 505
 506 /*
 507  * This callback stores up the data which appears in between tags.
 508  */
 509 void migr_xml_chardata(void *data, const XML_Char *s, int len)
 510 {
 511         StrBufAppendBufPlain(migr_chardata, s, len, 0);
 512 }
 513
 514
 515 void migr_xml_start(void *data, const char *el, const char **attr) {
 516         int i;
 517
 518         /*** GENERAL STUFF ***/
 519
 520         /* Reset chardata_len to zero and init buffer */
 521         FlushStrBuf(migr_chardata);
 522         FlushStrBuf(migr_MsgData);
 523
 524         if (!strcasecmp(el, "citadel_migrate_data")) {
 525                 ++citadel_migrate_data;
 526
 527                 /* As soon as it looks like the input data is a genuine Citadel XML export,
 528                  * whack the existing database on disk to make room for the new one.
 529                  */
 530                 if (citadel_migrate_data == 1) {
 531                         for (i = 0; i < MAXCDB; ++i) {
 532                                 cdb_trunc(i);
 533                         }
 534                 }
 535                 return;
 536         }
 537
 538         if (citadel_migrate_data != 1) {
 539                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!", el);
 540                 return;
 541         }
 542
 543         /* When we begin receiving XML for one of these record types, clear out the associated
 544          * buffer so we don't accidentally carry over any data from a previous record.
 545          */
 546         if (!strcasecmp(el, "user"))                    memset(&usbuf, 0, sizeof (struct ctdluser));
 547         else if (!strcasecmp(el, "openid"))             memset(openid_url, 0, sizeof openid_url);
 548         else if (!strcasecmp(el, "room"))               memset(&qrbuf, 0, sizeof (struct ctdlroom));
 549         else if (!strcasecmp(el, "room_messages"))      memset(FRname, 0, sizeof FRname);
 550         else if (!strcasecmp(el, "floor"))              memset(&flbuf, 0, sizeof (struct floor));
 551         else if (!strcasecmp(el, "visit"))              memset(&vbuf, 0, sizeof (visit));
 552
 553         else if (!strcasecmp(el, "message")) {
 554                 memset(&smi, 0, sizeof (struct MetaData));
 555                 import_msgnum = 0;
 556         }
 557         else if (!strcasecmp(el, "config")) {
 558                 if (ikey != NULL) {
 559                         free(ikey);
 560                         ikey = NULL;
 561                 }
 562                 while (*attr) {
 563                         if (!strcasecmp(attr[0], "key")) {
 564                                 ikey = strdup(attr[1]);
 565                         }
 566                         attr += 2;
 567                 }
 568         }
 569
 570 }
 571
 572
 573 int migr_userrecord(void *data, const char *el)
 574 {
 575         if (!strcasecmp(el, "u_version"))                       usbuf.version = atoi(ChrPtr(migr_chardata));
 576         else if (!strcasecmp(el, "u_uid"))                      usbuf.uid = atol(ChrPtr(migr_chardata));
 577         else if (!strcasecmp(el, "u_password"))                 safestrncpy(usbuf.password, ChrPtr(migr_chardata), sizeof usbuf.password);
 578         else if (!strcasecmp(el, "u_flags"))                    usbuf.flags = atoi(ChrPtr(migr_chardata));
 579         else if (!strcasecmp(el, "u_timescalled"))              usbuf.timescalled = atol(ChrPtr(migr_chardata));
 580         else if (!strcasecmp(el, "u_posted"))                   usbuf.posted = atol(ChrPtr(migr_chardata));
 581         else if (!strcasecmp(el, "u_axlevel"))                  usbuf.axlevel = atoi(ChrPtr(migr_chardata));
 582         else if (!strcasecmp(el, "u_usernum"))                  usbuf.usernum = atol(ChrPtr(migr_chardata));
 583         else if (!strcasecmp(el, "u_lastcall"))                 usbuf.lastcall = atol(ChrPtr(migr_chardata));
 584         else if (!strcasecmp(el, "u_USuserpurge"))              usbuf.USuserpurge = atoi(ChrPtr(migr_chardata));
 585         else if (!strcasecmp(el, "u_fullname"))                 safestrncpy(usbuf.fullname, ChrPtr(migr_chardata), sizeof usbuf.fullname);
 586         else if (!strcasecmp(el, "u_msgnum_bio"))               usbuf.msgnum_bio = atol(ChrPtr(migr_chardata));
 587         else if (!strcasecmp(el, "u_msgnum_pic"))               usbuf.msgnum_pic = atol(ChrPtr(migr_chardata));
 588         else return 0;
 589         return 1;
 590 }
 591
 592
 593 int migr_roomrecord(void *data, const char *el)
 594 {
 595         if (!strcasecmp(el, "QRname"))                          safestrncpy(qrbuf.QRname, ChrPtr(migr_chardata), sizeof qrbuf.QRname);
 596         else if (!strcasecmp(el, "QRpasswd"))                   safestrncpy(qrbuf.QRpasswd, ChrPtr(migr_chardata), sizeof qrbuf.QRpasswd);
 597         else if (!strcasecmp(el, "QRroomaide"))                 qrbuf.QRroomaide = atol(ChrPtr(migr_chardata));
 598         else if (!strcasecmp(el, "QRhighest"))                  qrbuf.QRhighest = atol(ChrPtr(migr_chardata));
 599         else if (!strcasecmp(el, "QRgen"))                      qrbuf.QRgen = atol(ChrPtr(migr_chardata));
 600         else if (!strcasecmp(el, "QRflags"))                    qrbuf.QRflags = atoi(ChrPtr(migr_chardata));
 601         else if (!strcasecmp(el, "QRdirname"))                  safestrncpy(qrbuf.QRdirname, ChrPtr(migr_chardata), sizeof qrbuf.QRdirname);
 602         else if (!strcasecmp(el, "QRfloor"))                    qrbuf.QRfloor = atoi(ChrPtr(migr_chardata));
 603         else if (!strcasecmp(el, "QRmtime"))                    qrbuf.QRmtime = atol(ChrPtr(migr_chardata));
 604         else if (!strcasecmp(el, "QRexpire_mode"))              qrbuf.QRep.expire_mode = atoi(ChrPtr(migr_chardata));
 605         else if (!strcasecmp(el, "QRexpire_value"))             qrbuf.QRep.expire_value = atoi(ChrPtr(migr_chardata));
 606         else if (!strcasecmp(el, "QRnumber"))                   qrbuf.QRnumber = atol(ChrPtr(migr_chardata));
 607         else if (!strcasecmp(el, "QRorder"))                    qrbuf.QRorder = atoi(ChrPtr(migr_chardata));
 608         else if (!strcasecmp(el, "QRflags2"))                   qrbuf.QRflags2 = atoi(ChrPtr(migr_chardata));
 609         else if (!strcasecmp(el, "QRdefaultview"))              qrbuf.QRdefaultview = atoi(ChrPtr(migr_chardata));
 610         else if (!strcasecmp(el, "msgnum_info"))                qrbuf.msgnum_info = atol(ChrPtr(migr_chardata));
 611         else if (!strcasecmp(el, "msgnum_pic"))                 qrbuf.msgnum_pic = atol(ChrPtr(migr_chardata));
 612         else return 0;
 613         return 1;
 614 }
 615
 616 int migr_floorrecord(void *data, const char *el)
 617 {
 618         if (!strcasecmp(el, "f_num"))                   floornum = atoi(ChrPtr(migr_chardata));
 619         else if (!strcasecmp(el, "f_flags"))                    flbuf.f_flags = atoi(ChrPtr(migr_chardata));
 620         else if (!strcasecmp(el, "f_name"))                     safestrncpy(flbuf.f_name, ChrPtr(migr_chardata), sizeof flbuf.f_name);
 621         else if (!strcasecmp(el, "f_ref_count"))                flbuf.f_ref_count = atoi(ChrPtr(migr_chardata));
 622         else if (!strcasecmp(el, "f_ep_expire_mode"))           flbuf.f_ep.expire_mode = atoi(ChrPtr(migr_chardata));
 623         else if (!strcasecmp(el, "f_ep_expire_value"))          flbuf.f_ep.expire_value = atoi(ChrPtr(migr_chardata));
 624         else return 0;
 625         return 1;
 626 }
 627
 628 int migr_visitrecord(void *data, const char *el)
 629 {
 630         if (!strcasecmp(el, "v_roomnum"))                       vbuf.v_roomnum = atol(ChrPtr(migr_chardata));
 631         else if (!strcasecmp(el, "v_roomgen"))                  vbuf.v_roomgen = atol(ChrPtr(migr_chardata));
 632         else if (!strcasecmp(el, "v_usernum"))                  vbuf.v_usernum = atol(ChrPtr(migr_chardata));
 633
 634         else if (!strcasecmp(el, "v_seen")) {
 635                 int is_textual_seen = 0;
 636                 int i;
 637                 int max = StrLength(migr_chardata);
 638
 639                 vbuf.v_lastseen = atol(ChrPtr(migr_chardata));
 640                 is_textual_seen = 0;
 641                 for (i=0; i < max; ++i)
 642                         if (!isdigit(ChrPtr(migr_chardata)[i]))
 643                                 is_textual_seen = 1;
 644                 if (is_textual_seen)
 645                         safestrncpy(vbuf.v_seen, ChrPtr(migr_chardata), sizeof vbuf.v_seen);
 646         }
 647
 648         else if (!strcasecmp(el, "v_answered"))                 safestrncpy(vbuf.v_answered, ChrPtr(migr_chardata), sizeof vbuf.v_answered);
 649         else if (!strcasecmp(el, "v_flags"))                    vbuf.v_flags = atoi(ChrPtr(migr_chardata));
 650         else if (!strcasecmp(el, "v_view"))                     vbuf.v_view = atoi(ChrPtr(migr_chardata));
 651         else return 0;
 652         return 1;
 653 }
 654
 655
 656 void migr_xml_end(void *data, const char *el)
 657 {
 658         const char *ptr;
 659         int msgcount = 0;
 660         long msgnum = 0L;
 661         long *msglist = NULL;
 662         int msglist_alloc = 0;
 663         /*** GENERAL STUFF ***/
 664
 665         if (!strcasecmp(el, "citadel_migrate_data")) {
 666                 --citadel_migrate_data;
 667                 return;
 668         }
 669
 670         if (citadel_migrate_data != 1) {
 671                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!", el);
 672                 return;
 673         }
 674
 675         // syslog(LOG_DEBUG, "END TAG: <%s> DATA: <%s>\n", el, (migr_chardata_len ? migr_chardata : ""));
 676
 677         /*** CONFIG ***/
 678
 679         if (!strcasecmp(el, "config"))
 680         {
 681                 syslog(LOG_DEBUG, "Imported config key=%s", ikey);
 682
 683                 if (ikey != NULL) {
 684                         CtdlSetConfigStr(ikey, (char *)ChrPtr(migr_chardata));
 685                         free(ikey);
 686                         ikey = NULL;
 687                 }
 688                 else {
 689                         syslog(LOG_INFO, "Closed a <config> tag but no key name was supplied.");
 690                 }
 691         }
 692
 693         /*** USER ***/
 694         else if ((!strncasecmp(el, HKEY("u_"))) &&
 695                  migr_userrecord(data, el))
 696                 ; /* Nothing to do anymore */
 697         else if (!strcasecmp(el, "user")) {
 698                 CtdlPutUser(&usbuf);
 699                 syslog(LOG_INFO, "Imported user: %s", usbuf.fullname);
 700         }
 701
 702         /*** OPENID ***/
 703
 704         else if (!strcasecmp(el, "oid_url"))                    safestrncpy(openid_url, ChrPtr(migr_chardata), sizeof openid_url);
 705         else if (!strcasecmp(el, "oid_usernum"))                openid_usernum = atol(ChrPtr(migr_chardata));
 706
 707         else if (!strcasecmp(el, "openid")) {                   /* see serv_openid_rp.c for a description of the record format */
 708                 char *oid_data;
 709                 int oid_data_len;
 710                 oid_data_len = sizeof(long) + strlen(openid_url) + 1;
 711                 oid_data = malloc(oid_data_len);
 712                 memcpy(oid_data, &openid_usernum, sizeof(long));
 713                 memcpy(&oid_data[sizeof(long)], openid_url, strlen(openid_url) + 1);
 714                 cdb_store(CDB_EXTAUTH, openid_url, strlen(openid_url), oid_data, oid_data_len);
 715                 free(oid_data);
 716                 syslog(LOG_INFO, "Imported OpenID: %s (%ld)", openid_url, openid_usernum);
 717         }
 718
 719         /*** ROOM ***/
 720         else if ((!strncasecmp(el, HKEY("QR"))) &&
 721                  migr_roomrecord(data, el))
 722                 ; /* Nothing to do anymore */
 723         else if (!strcasecmp(el, "room")) {
 724                 CtdlPutRoom(&qrbuf);
 725                 syslog(LOG_INFO, "Imported room: %s", qrbuf.QRname);
 726         }
 727
 728         /*** ROOM MESSAGE POINTERS ***/
 729
 730         else if (!strcasecmp(el, "FRname"))                     safestrncpy(FRname, ChrPtr(migr_chardata), sizeof FRname);
 731
 732         else if (!strcasecmp(el, "FRmsglist")) {
 733                 if (!IsEmptyStr(FRname)) {
 734                         msgcount = 0;
 735                         msglist_alloc = 1000;
 736                         msglist = malloc(sizeof(long) * msglist_alloc);
 737
 738                         syslog(LOG_DEBUG, "Message list for: %s", FRname);
 739
 740                         ptr = ChrPtr(migr_chardata);
 741                         while (*ptr != 0) {
 742                                 while ((*ptr != 0) && (!isdigit(*ptr))) {
 743                                         ++ptr;
 744                                 }
 745                                 if ((*ptr != 0) && (isdigit(*ptr))) {
 746                                         msgnum = atol(ptr);
 747                                         if (msgnum > 0L) {
 748                                                 if (msgcount >= msglist_alloc) {
 749                                                         msglist_alloc *= 2;
 750                                                         msglist = realloc(msglist, sizeof(long) * msglist_alloc);
 751                                                 }
 752                                                 msglist[msgcount++] = msgnum;
 753                                                 }
 754                                         }
 755                                         while ((*ptr != 0) && (isdigit(*ptr))) {
 756                                                 ++ptr;
 757                                         }
 758                                 }
 759                         }
 760                         if (msgcount > 0) {
 761                                 CtdlSaveMsgPointersInRoom(FRname, msglist, msgcount, 0, NULL, 1);
 762                         }
 763                         free(msglist);
 764                         msglist = NULL;
 765                         msglist_alloc = 0;
 766                         syslog(LOG_DEBUG, "Imported %d messages.", msgcount);
 767                         if (server_shutting_down) {
 768                                 return;
 769                 }
 770         }
 771
 772         /*** FLOORS ***/
 773         else if ((!strncasecmp(el, HKEY("f_"))) &&
 774                  migr_floorrecord(data, el))
 775                 ; /* Nothing to do anymore */
 776
 777         else if (!strcasecmp(el, "floor")) {
 778                 CtdlPutFloor(&flbuf, floornum);
 779                 syslog(LOG_INFO, "Imported floor #%d (%s)", floornum, flbuf.f_name);
 780         }
 781
 782         /*** VISITS ***/
 783         else if ((!strncasecmp(el, HKEY("v_"))) &&
 784                  migr_visitrecord(data, el))
 785                 ; /* Nothing to do anymore */
 786         else if (!strcasecmp(el, "visit")) {
 787                 put_visit(&vbuf);
 788                 syslog(LOG_INFO, "Imported visit: %ld/%ld/%ld", vbuf.v_roomnum, vbuf.v_roomgen, vbuf.v_usernum);
 789         }
 790
 791         /*** MESSAGES ***/
 792
 793         else if (!strcasecmp(el, "msg_msgnum"))                 smi.meta_msgnum = import_msgnum = atol(ChrPtr(migr_chardata));
 794         else if (!strcasecmp(el, "msg_meta_refcount"))          smi.meta_refcount = atoi(ChrPtr(migr_chardata));
 795         else if (!strcasecmp(el, "msg_meta_rfc822_length"))     smi.meta_rfc822_length = atoi(ChrPtr(migr_chardata));
 796         else if (!strcasecmp(el, "msg_meta_content_type"))      safestrncpy(smi.meta_content_type, ChrPtr(migr_chardata), sizeof smi.meta_content_type);
 797
 798         else if (!strcasecmp(el, "msg_text"))
 799         {
 800                 long rc;
 801                 struct CtdlMessage *msg;
 802
 803                 FlushStrBuf(migr_MsgData);
 804                 StrBufDecodeBase64To(migr_chardata, migr_MsgData);
 805
 806                 msg = CtdlDeserializeMessage(import_msgnum, -1,
 807                                              ChrPtr(migr_MsgData),
 808                                              StrLength(migr_MsgData));
 809                 if (msg != NULL) {
 810                         rc = CtdlSaveThisMessage(msg, import_msgnum, 0);
 811                         if (rc == 0) {
 812                                 PutMetaData(&smi);
 813                         }
 814                         CM_Free(msg);
 815                 }
 816                 else {
 817                         rc = -1;
 818                 }
 819
 820                 syslog(LOG_INFO,
 821                        "%s message #%ld, size=%d, refcount=%d, bodylength=%ld, content-type: %s",
 822                        (rc!= 0)?"failed to import ":"Imported ",
 823                        import_msgnum,
 824                        StrLength(migr_MsgData),
 825                        smi.meta_refcount,
 826                        smi.meta_rfc822_length,
 827                        smi.meta_content_type
 828                 );
 829                 memset(&smi, 0, sizeof(smi));
 830         }
 831
 832         /*** MORE GENERAL STUFF ***/
 833
 834         FlushStrBuf(migr_chardata);
 835 }
 836
 837
 838
 839
 840 /*
 841  * Import begins here
 842  */
 843 void migr_do_import(void) {
 844         StrBuf *Buf;
 845         XML_Parser xp;
 846         int Finished = 0;
 847
 848         unbuffer_output();
 849         migr_chardata = NewStrBufPlain(NULL, SIZ * 20);
 850         migr_MsgData = NewStrBufPlain(NULL, SIZ * 20);
 851         Buf = NewStrBufPlain(NULL, SIZ);
 852         xp = XML_ParserCreate(NULL);
 853         if (!xp) {
 854                 cprintf("%d Failed to create XML parser instance\n", ERROR+INTERNAL_ERROR);
 855                 return;
 856         }
 857         XML_SetElementHandler(xp, migr_xml_start, migr_xml_end);
 858         XML_SetCharacterDataHandler(xp, migr_xml_chardata);
 859
 860         CC->dont_term = 1;
 861
 862         cprintf("%d sock it to me\n", SEND_LISTING);
 863         unbuffer_output();
 864
 865         client_set_inbound_buf(SIZ * 10);
 866
 867         while (!Finished && client_read_random_blob(Buf, -1) >= 0) {
 868                 if ((StrLength(Buf) > 4) &&
 869                     !strcmp(ChrPtr(Buf) + StrLength(Buf) - 4, "000\n"))
 870                 {
 871                         Finished = 1;
 872                         StrBufCutAt(Buf, StrLength(Buf) - 4, NULL);
 873                 }
 874                 if (server_shutting_down)
 875                         break;  // Should we break or return?
 876
 877                 if (StrLength(Buf) == 0)
 878                         continue;
 879
 880                 XML_Parse(xp, ChrPtr(Buf), StrLength(Buf), 0);
 881                 FlushStrBuf(Buf);
 882         }
 883
 884         XML_Parse(xp, "", 0, 1);
 885         XML_ParserFree(xp);
 886         FreeStrBuf(&Buf);
 887         FreeStrBuf(&migr_chardata);
 888         FreeStrBuf(&migr_MsgData);
 889         rebuild_euid_index();
 890         rebuild_usersbynumber();
 891         CtdlSetConfigInt("MM_fulltext_wordbreaker", -1);        // Set an invalid wordbreaker to force re-indexing
 892         CC->dont_term = 0;
 893 }
 894
 895
 896 /******************************************************************************
 897  *                         Dispatcher, Common code                            *
 898  ******************************************************************************/
 899 /*
 900  * Dump out the pathnames of directories which can be copied "as is"
 901  */
 902 void migr_do_listdirs(void) {
 903         cprintf("%d Don't forget these:\n", LISTING_FOLLOWS);
 904         cprintf("files|%s\n",           ctdl_file_dir);
 905         cprintf("messages|%s\n",        ctdl_message_dir);
 906         cprintf("keys|%s\n",            ctdl_key_dir);
 907         cprintf("000\n");
 908 }
 909
 910
 911 /******************************************************************************
 912  *                    Repair database integrity                               *
 913  ******************************************************************************/
 914
 915 StrBuf *PlainMessageBuf = NULL;
 916 HashList *UsedMessageIDS = NULL;
 917
 918 int migr_restore_message_metadata(long msgnum, int refcount)
 919 {
 920         CitContext *CCC = MyContext();
 921         struct MetaData smi;
 922         struct CtdlMessage *msg;
 923         char *mptr = NULL;
 924
 925         /* We can use a static buffer here because there will never be more than
 926          * one of this operation happening at any given time, and it's really best
 927          * to just keep it allocated once instead of torturing malloc/free.
 928          * Call this function with msgnum "-1" to free the buffer when finished.
 929          */
 930         static int encoded_alloc = 0;
 931         static char *encoded_msg = NULL;
 932
 933         if (msgnum < 0) {
 934                 if ((encoded_alloc == 0) && (encoded_msg != NULL)) {
 935                         free(encoded_msg);
 936                         encoded_alloc = 0;
 937                         encoded_msg = NULL;
 938                         // todo FreeStrBuf(&PlainMessageBuf); PlainMessageBuf = NULL;
 939                 }
 940                 return 0;
 941         }
 942
 943         if (PlainMessageBuf == NULL) {
 944                 PlainMessageBuf = NewStrBufPlain(NULL, 10*SIZ);
 945         }
 946
 947         /* Ok, here we go ... */
 948
 949         msg = CtdlFetchMessage(msgnum, 1, 0);
 950         if (msg == NULL) {
 951                 return 1;
 952         }
 953
 954         GetMetaData(&smi, msgnum);
 955         smi.meta_msgnum = msgnum;
 956         smi.meta_refcount = refcount;
 957
 958         /* restore the content type from the message body: */
 959         mptr = bmstrcasestr(msg->cm_fields[eMesageText], "Content-type:");
 960         if (mptr != NULL) {
 961                 char *aptr;
 962                 safestrncpy(smi.meta_content_type, &mptr[13], sizeof smi.meta_content_type);
 963                 striplt(smi.meta_content_type);
 964                 aptr = smi.meta_content_type;
 965                 while (!IsEmptyStr(aptr)) {
 966                         if ((*aptr == ';')
 967                             || (*aptr == ' ')
 968                             || (*aptr == 13)
 969                             || (*aptr == 10)) {
 970                                 memset(aptr, 0, sizeof(smi.meta_content_type) - (aptr - smi.meta_content_type));
 971                         }
 972                         else aptr++;
 973                 }
 974         }
 975
 976         CCC->redirect_buffer = PlainMessageBuf;
 977         CtdlOutputPreLoadedMsg(msg, MT_RFC822, HEADERS_ALL, 0, 1, QP_EADDR);
 978         smi.meta_rfc822_length = StrLength(CCC->redirect_buffer);
 979         CCC->redirect_buffer = NULL;
 980
 981
 982         syslog(LOG_INFO,
 983                "Setting message #%ld meta data to: refcount=%d, bodylength=%ld, content-type: %s",
 984                smi.meta_msgnum,
 985                smi.meta_refcount,
 986                smi.meta_rfc822_length,
 987                smi.meta_content_type
 988         );
 989
 990         PutMetaData(&smi);
 991
 992         CM_Free(msg);
 993
 994         return 0;
 995 }
 996
 997 void migr_check_room_msg(long msgnum, void *userdata) {
 998         fprintf(migr_global_message_list, "%ld %s\n", msgnum, CC->room.QRname);
 999 }
1000
1001
1002 void migr_check_rooms_backend(struct ctdlroom *buf, void *data) {
1003
1004         /* message list goes inside this tag */
1005
1006         CtdlGetRoom(&CC->room, buf->QRname);
1007         CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, migr_check_room_msg, NULL);
1008 }
1009
1010 void RemoveMessagesFromRooms(StrBuf *RoomNameVec, long msgnum) {
1011         struct MetaData smi;
1012         const char *Pos = NULL;
1013         StrBuf *oneRoom = NewStrBuf();
1014
1015         syslog(LOG_INFO, "removing message pointer %ld from these rooms: %s", msgnum, ChrPtr(RoomNameVec));
1016
1017         while (Pos != StrBufNOTNULL){
1018                 StrBufExtract_NextToken(oneRoom, RoomNameVec, &Pos, '|');
1019                 CtdlDeleteMessages(ChrPtr(oneRoom), &msgnum, 1, "");
1020         };
1021         GetMetaData(&smi, msgnum);
1022         TDAP_AdjRefCount(msgnum, -smi.meta_refcount);
1023 }
1024
1025 void migr_do_restore_meta(void) {
1026         char buf[SIZ];
1027         int failGetMessage;
1028         long msgnum = 0;
1029         int lastnum = 0;
1030         int refcount = 0;
1031         CitContext *Ctx;
1032         char *prn;
1033         StrBuf *RoomNames;
1034         char cmd[SIZ];
1035
1036         migr_global_message_list = fopen(migr_tempfilename1, "w");
1037         if (migr_global_message_list != NULL) {
1038                 CtdlForEachRoom(migr_check_rooms_backend, NULL);
1039                 fclose(migr_global_message_list);
1040         }
1041
1042         /*
1043          * Process the 'global' message list.  (Sort it and remove dups.
1044          * Dups are ok because a message may be in more than one room, but
1045          * this will be handled by exporting the reference count, not by
1046          * exporting the message multiple times.)
1047          */
1048         snprintf(cmd, sizeof cmd, "sort -n <%s >%s", migr_tempfilename1, migr_tempfilename2);
1049         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d", errno);
1050
1051         RoomNames = NewStrBuf();
1052         Ctx = CC;
1053         migr_global_message_list = fopen(migr_tempfilename2, "r");
1054         if (migr_global_message_list != NULL) {
1055                 syslog(LOG_INFO, "Opened %s", migr_tempfilename1);
1056                 while ((Ctx->kill_me == 0) &&
1057                        (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
1058                         msgnum = atol(buf);
1059                         if (msgnum == 0L)
1060                                 continue;
1061                         if (lastnum == 0) {
1062                                 lastnum = msgnum;
1063                         }
1064                         prn = strchr(buf, ' ');
1065                         if (lastnum != msgnum) {
1066                                 failGetMessage = migr_restore_message_metadata(lastnum, refcount);
1067                                 if (failGetMessage) {
1068                                         RemoveMessagesFromRooms(RoomNames, lastnum);
1069                                 }
1070                                 refcount = 1;
1071                                 lastnum = msgnum;
1072                                 if (prn != NULL)
1073                                         StrBufPlain(RoomNames, prn + 1, -1);
1074                                 StrBufTrim(RoomNames);
1075                         }
1076                         else {
1077                                 if (prn != NULL) {
1078                                         if (StrLength(RoomNames) > 0)
1079                                                 StrBufAppendBufPlain(RoomNames, HKEY("|"), 0);
1080                                         StrBufAppendBufPlain(RoomNames, prn, -1, 1);
1081                                         StrBufTrim(RoomNames);
1082                                 }
1083                                 refcount ++;
1084                         }
1085                         lastnum = msgnum;
1086                 }
1087                 failGetMessage = migr_restore_message_metadata(msgnum, refcount);
1088                 if (failGetMessage) {
1089                         RemoveMessagesFromRooms(RoomNames, lastnum);
1090                 }
1091                 fclose(migr_global_message_list);
1092         }
1093
1094         migr_restore_message_metadata(-1L, -1); /* This frees the encoding buffer */
1095         cprintf("%d system analysis completed", CIT_OK);
1096         Ctx->kill_me = 1;
1097 }
1098
1099
1100
1101
1102 /******************************************************************************
1103  *                         Dispatcher, Common code                            *
1104  ******************************************************************************/
1105 void cmd_migr(char *cmdbuf) {
1106         char cmd[32];
1107
1108         if (CtdlAccessCheck(ac_internal)) return;
1109
1110         if (CtdlTrySingleUser())
1111         {
1112                 CtdlDisableHouseKeeping();
1113                 CtdlMakeTempFileName(migr_tempfilename1, sizeof migr_tempfilename1);
1114                 CtdlMakeTempFileName(migr_tempfilename2, sizeof migr_tempfilename2);
1115
1116                 extract_token(cmd, cmdbuf, 0, '|', sizeof cmd);
1117                 if (!strcasecmp(cmd, "export")) {
1118                         migr_do_export();
1119                 }
1120                 else if (!strcasecmp(cmd, "import")) {
1121                         migr_do_import();
1122                 }
1123                 else if (!strcasecmp(cmd, "listdirs")) {
1124                         migr_do_listdirs();
1125                 }
1126                 else if (!strcasecmp(cmd, "restoremeta")) {
1127                         migr_do_restore_meta();
1128                 }
1129                 else {
1130                         cprintf("%d illegal command\n", ERROR + ILLEGAL_VALUE);
1131                 }
1132
1133                 unlink(migr_tempfilename1);
1134                 unlink(migr_tempfilename2);
1135
1136                 CtdlEnableHouseKeeping();
1137                 CtdlEndSingleUser();
1138         }
1139         else
1140         {
1141                 cprintf("%d The migrator is already running.\n", ERROR + RESOURCE_BUSY);
1142         }
1143 }
1144
1145 /******************************************************************************
1146  *                              Module Hook                                  *
1147  ******************************************************************************/
1148
1149 CTDL_MODULE_INIT(migrate)
1150 {
1151         if (!threading)
1152         {
1153                 CtdlRegisterProtoHook(cmd_migr, "MIGR", "Across-the-wire migration");
1154         }
1155
1156         /* return our module name for the log */
1157         return "migrate";
1158 }