citadel/modules/migrate/serv_migrate.c

   1 /*
   2  * This module dumps and/or loads the Citadel database in XML format.
   3  *
   4  * Copyright (c) 1987-2015 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
  73 /*
  74  * Code which implements the export appears in this section
  75  */
  76
  77 /*
  78  * Output a string to the client with these characters escaped:  & < >
  79  */
  80 void xml_strout(char *str) {
  81
  82         char *c = str;
  83
  84         if (str == NULL) {
  85                 return;
  86         }
  87
  88         while (*c != 0) {
  89                 if (*c == '\"') {
  90                         client_write("&quot;", 6);
  91                 }
  92                 else if (*c == '\'') {
  93                         client_write("&apos;", 6);
  94                 }
  95                 else if (*c == '<') {
  96                         client_write("&lt;", 4);
  97                 }
  98                 else if (*c == '>') {
  99                         client_write("&gt;", 4);
 100                 }
 101                 else if (*c == '&') {
 102                         client_write("&amp;", 5);
 103                 }
 104                 else {
 105                         client_write(c, 1);
 106                 }
 107                 ++c;
 108         }
 109 }
 110
 111
 112 /*
 113  * Export a user record as XML
 114  */
 115 void migr_export_users_backend(struct ctdluser *buf, void *data) {
 116         client_write("<user>\n", 7);
 117         cprintf("<u_version>%d</u_version>\n", buf->version);
 118         cprintf("<u_uid>%ld</u_uid>\n", (long)buf->uid);
 119         client_write("<u_password>", 12);       xml_strout(buf->password);              client_write("</u_password>\n", 14);
 120         cprintf("<u_flags>%u</u_flags>\n", buf->flags);
 121         cprintf("<u_timescalled>%ld</u_timescalled>\n", buf->timescalled);
 122         cprintf("<u_posted>%ld</u_posted>\n", buf->posted);
 123         cprintf("<u_axlevel>%d</u_axlevel>\n", buf->axlevel);
 124         cprintf("<u_usernum>%ld</u_usernum>\n", buf->usernum);
 125         cprintf("<u_lastcall>%ld</u_lastcall>\n", (long)buf->lastcall);
 126         cprintf("<u_USuserpurge>%d</u_USuserpurge>\n", buf->USuserpurge);
 127         client_write("<u_fullname>", 12);       xml_strout(buf->fullname);              client_write("</u_fullname>\n", 14);
 128         client_write("</user>\n", 8);
 129 }
 130
 131
 132 void migr_export_users(void) {
 133         ForEachUser(migr_export_users_backend, NULL);
 134 }
 135
 136
 137 void migr_export_room_msg(long msgnum, void *userdata) {
 138         cprintf("%ld\n", msgnum);
 139         fprintf(migr_global_message_list, "%ld\n", msgnum);
 140 }
 141
 142
 143 void migr_export_rooms_backend(struct ctdlroom *buf, void *data) {
 144         client_write("<room>\n", 7);
 145         client_write("<QRname>", 8);    xml_strout(buf->QRname);        client_write("</QRname>\n", 10);
 146         client_write("<QRpasswd>", 10); xml_strout(buf->QRpasswd);      client_write("</QRpasswd>\n", 12);
 147         cprintf("<QRroomaide>%ld</QRroomaide>\n", buf->QRroomaide);
 148         cprintf("<QRhighest>%ld</QRhighest>\n", buf->QRhighest);
 149         cprintf("<QRgen>%ld</QRgen>\n", (long)buf->QRgen);
 150         cprintf("<QRflags>%u</QRflags>\n", buf->QRflags);
 151         if (buf->QRflags & QR_DIRECTORY) {
 152                 client_write("<QRdirname>", 11);
 153                 xml_strout(buf->QRdirname);
 154                 client_write("</QRdirname>\n", 13);
 155         }
 156         cprintf("<QRinfo>%ld</QRinfo>\n", buf->QRinfo);
 157         cprintf("<QRfloor>%d</QRfloor>\n", buf->QRfloor);
 158         cprintf("<QRmtime>%ld</QRmtime>\n", (long)buf->QRmtime);
 159         cprintf("<QRexpire_mode>%d</QRexpire_mode>\n", buf->QRep.expire_mode);
 160         cprintf("<QRexpire_value>%d</QRexpire_value>\n", buf->QRep.expire_value);
 161         cprintf("<QRnumber>%ld</QRnumber>\n", buf->QRnumber);
 162         cprintf("<QRorder>%d</QRorder>\n", buf->QRorder);
 163         cprintf("<QRflags2>%u</QRflags2>\n", buf->QRflags2);
 164         cprintf("<QRdefaultview>%d</QRdefaultview>\n", buf->QRdefaultview);
 165         client_write("</room>\n", 8);
 166
 167         /* message list goes inside this tag */
 168
 169         CtdlGetRoom(&CC->room, buf->QRname);
 170         client_write("<room_messages>", 15);
 171         client_write("<FRname>", 8);    xml_strout(CC->room.QRname);    client_write("</FRname>\n", 10);
 172         client_write("<FRmsglist>", 11);
 173         CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, migr_export_room_msg, NULL);
 174         client_write("</FRmsglist>\n", 13);
 175         client_write("</room_messages>\n", 17);
 176
 177
 178 }
 179
 180
 181 void migr_export_rooms(void) {
 182         char cmd[SIZ];
 183         migr_global_message_list = fopen(migr_tempfilename1, "w");
 184         if (migr_global_message_list != NULL) {
 185                 CtdlForEachRoom(migr_export_rooms_backend, NULL);
 186                 fclose(migr_global_message_list);
 187         }
 188
 189         /*
 190          * Process the 'global' message list.  (Sort it and remove dups.
 191          * Dups are ok because a message may be in more than one room, but
 192          * this will be handled by exporting the reference count, not by
 193          * exporting the message multiple times.)
 194          */
 195         snprintf(cmd, sizeof cmd, "sort -n <%s >%s", migr_tempfilename1, migr_tempfilename2);
 196         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d\n", errno);
 197         snprintf(cmd, sizeof cmd, "uniq <%s >%s", migr_tempfilename2, migr_tempfilename1);
 198         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d\n", errno);
 199
 200
 201         snprintf(cmd, sizeof cmd, "wc -l %s", migr_tempfilename1);
 202         FILE *fp = popen(cmd, "r");
 203         if (fp) {
 204                 fgets(cmd, sizeof cmd, fp);
 205                 pclose(fp);
 206                 total_msgs = atoi(cmd);
 207         }
 208         else {
 209                 total_msgs = 1; // any nonzero just to keep it from barfing
 210         }
 211         syslog(LOG_DEBUG, "Total messages to be exported: %d", total_msgs);
 212 }
 213
 214
 215 void migr_export_floors(void) {
 216         struct floor qfbuf, *buf;
 217         int i;
 218
 219         for (i=0; i < MAXFLOORS; ++i) {
 220                 client_write("<floor>\n", 8);
 221                 cprintf("<f_num>%d</f_num>\n", i);
 222                 CtdlGetFloor(&qfbuf, i);
 223                 buf = &qfbuf;
 224                 cprintf("<f_flags>%u</f_flags>\n", buf->f_flags);
 225                 client_write("<f_name>", 8); xml_strout(buf->f_name); client_write("</f_name>\n", 10);
 226                 cprintf("<f_ref_count>%d</f_ref_count>\n", buf->f_ref_count);
 227                 cprintf("<f_ep_expire_mode>%d</f_ep_expire_mode>\n", buf->f_ep.expire_mode);
 228                 cprintf("<f_ep_expire_value>%d</f_ep_expire_value>\n", buf->f_ep.expire_value);
 229                 client_write("</floor>\n", 9);
 230         }
 231 }
 232
 233
 234 /*
 235  * Return nonzero if the supplied string contains only characters which are valid in a sequence set.
 236  */
 237 int is_sequence_set(char *s) {
 238         if (!s) return(0);
 239
 240         char *c = s;
 241         char ch;
 242         while (ch = *c++, ch) {
 243                 if (!strchr("0123456789*,:", ch)) {
 244                         return(0);
 245                 }
 246         }
 247         return(1);
 248 }
 249
 250
 251
 252 /*
 253  *  Traverse the visits file...
 254  */
 255 void migr_export_visits(void) {
 256         visit vbuf;
 257         struct cdbdata *cdbv;
 258
 259         cdb_rewind(CDB_VISIT);
 260
 261         while (cdbv = cdb_next_item(CDB_VISIT), cdbv != NULL) {
 262                 memset(&vbuf, 0, sizeof(visit));
 263                 memcpy(&vbuf, cdbv->ptr,
 264                        ((cdbv->len > sizeof(visit)) ?
 265                         sizeof(visit) : cdbv->len));
 266                 cdb_free(cdbv);
 267
 268                 client_write("<visit>\n", 8);
 269                 cprintf("<v_roomnum>%ld</v_roomnum>\n", vbuf.v_roomnum);
 270                 cprintf("<v_roomgen>%ld</v_roomgen>\n", vbuf.v_roomgen);
 271                 cprintf("<v_usernum>%ld</v_usernum>\n", vbuf.v_usernum);
 272
 273                 client_write("<v_seen>", 8);
 274                 if ( (!IsEmptyStr(vbuf.v_seen)) && (is_sequence_set(vbuf.v_seen)) ) {
 275                         xml_strout(vbuf.v_seen);
 276                 }
 277                 else {
 278                         cprintf("%ld", vbuf.v_lastseen);
 279                 }
 280                 client_write("</v_seen>", 9);
 281
 282                 if ( (!IsEmptyStr(vbuf.v_answered)) && (is_sequence_set(vbuf.v_answered)) ) {
 283                         client_write("<v_answered>", 12);
 284                         xml_strout(vbuf.v_answered);
 285                         client_write("</v_answered>\n", 14);
 286                 }
 287
 288                 cprintf("<v_flags>%u</v_flags>\n", vbuf.v_flags);
 289                 cprintf("<v_view>%d</v_view>\n", vbuf.v_view);
 290                 client_write("</visit>\n", 9);
 291         }
 292 }
 293
 294
 295 void migr_export_message(long msgnum) {
 296         struct MetaData smi;
 297         struct CtdlMessage *msg;
 298         struct ser_ret smr;
 299
 300         /* We can use a static buffer here because there will never be more than
 301          * one of this operation happening at any given time, and it's really best
 302          * to just keep it allocated once instead of torturing malloc/free.
 303          * Call this function with msgnum "-1" to free the buffer when finished.
 304          */
 305         static int encoded_alloc = 0;
 306         static char *encoded_msg = NULL;
 307
 308         if (msgnum < 0) {
 309                 if ((encoded_alloc == 0) && (encoded_msg != NULL)) {
 310                         free(encoded_msg);
 311                         encoded_alloc = 0;
 312                         encoded_msg = NULL;
 313                 }
 314                 return;
 315         }
 316
 317         /* Ok, here we go ... */
 318
 319         msg = CtdlFetchMessage(msgnum, 1);
 320         if (msg == NULL) return;        /* fail silently */
 321
 322         client_write("<message>\n", 10);
 323         GetMetaData(&smi, msgnum);
 324         cprintf("<msg_msgnum>%ld</msg_msgnum>\n", msgnum);
 325         cprintf("<msg_meta_refcount>%d</msg_meta_refcount>\n", smi.meta_refcount);
 326         client_write("<msg_meta_content_type>", 23); xml_strout(smi.meta_content_type); client_write("</msg_meta_content_type>\n", 25);
 327
 328         client_write("<msg_text>", 10);
 329         CtdlSerializeMessage(&smr, msg);
 330         CM_Free(msg);
 331
 332         /* Predict the buffer size we need.  Expand the buffer if necessary. */
 333         int encoded_len = smr.len * 15 / 10 ;
 334         if (encoded_len > encoded_alloc) {
 335                 encoded_alloc = encoded_len;
 336                 encoded_msg = realloc(encoded_msg, encoded_alloc);
 337         }
 338
 339         if (encoded_msg == NULL) {
 340                 /* Questionable hack that hopes it'll work next time and we only lose one message */
 341                 encoded_alloc = 0;
 342         }
 343         else {
 344                 /* Once we do the encoding we know the exact size */
 345                 encoded_len = CtdlEncodeBase64(encoded_msg, (char *)smr.ser, smr.len, 1);
 346                 client_write(encoded_msg, encoded_len);
 347         }
 348
 349         free(smr.ser);
 350
 351         client_write("</msg_text>\n", 12);
 352         client_write("</message>\n", 11);
 353 }
 354
 355
 356
 357 void migr_export_openids(void) {
 358         struct cdbdata *cdboi;
 359         long usernum;
 360         char url[512];
 361
 362         cdb_rewind(CDB_OPENID);
 363         while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
 364                 if (cdboi->len > sizeof(long)) {
 365                         client_write("<openid>\n", 9);
 366                         memcpy(&usernum, cdboi->ptr, sizeof(long));
 367                         snprintf(url, sizeof url, "%s", (cdboi->ptr)+sizeof(long) );
 368                         client_write("<oid_url>", 9);
 369                         xml_strout(url);
 370                         client_write("</oid_url>\n", 11);
 371                         cprintf("<oid_usernum>%ld</oid_usernum>\n", usernum);
 372                         client_write("</openid>\n", 10);
 373                 }
 374                 cdb_free(cdboi);
 375         }
 376 }
 377
 378
 379 void migr_export_configs(void) {
 380         struct cdbdata *cdbcfg;
 381         int keylen = 0;
 382         char *key = NULL;
 383         char *value = NULL;
 384
 385         cdb_rewind(CDB_CONFIG);
 386         while (cdbcfg = cdb_next_item(CDB_CONFIG), cdbcfg != NULL) {
 387
 388                 keylen = strlen(cdbcfg->ptr);
 389                 key = cdbcfg->ptr;
 390                 value = cdbcfg->ptr + keylen + 1;
 391
 392                 client_write("<config key=\"", 13);
 393                 xml_strout(key);
 394                 client_write("\">", 2);
 395                 xml_strout(value);
 396                 client_write("</config>\n", 10);
 397                 cdb_free(cdbcfg);
 398         }
 399 }
 400
 401
 402
 403
 404 void migr_export_messages(void) {
 405         char buf[SIZ];
 406         long msgnum;
 407         int count = 0;
 408         int progress = 0;
 409         int prev_progress = 0;
 410         CitContext *Ctx;
 411
 412         Ctx = CC;
 413         migr_global_message_list = fopen(migr_tempfilename1, "r");
 414         if (migr_global_message_list != NULL) {
 415                 syslog(LOG_INFO, "Opened %s\n", migr_tempfilename1);
 416                 while ((Ctx->kill_me == 0) &&
 417                        (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
 418                         msgnum = atol(buf);
 419                         if (msgnum > 0L) {
 420                                 migr_export_message(msgnum);
 421                                 ++count;
 422                         }
 423                         progress = (count * 74 / total_msgs) + 25 ;
 424                         if ((progress > prev_progress) && (progress < 100)) {
 425                                 cprintf("<progress>%d</progress>\n", progress);
 426                         }
 427                         prev_progress = progress;
 428                 }
 429                 fclose(migr_global_message_list);
 430         }
 431         if (Ctx->kill_me == 0)
 432                 syslog(LOG_INFO, "Exported %d messages.\n", count);
 433         else
 434                 syslog(LOG_ERR, "Export aborted due to client disconnect! \n");
 435
 436         migr_export_message(-1L);       /* This frees the encoding buffer */
 437 }
 438
 439
 440
 441 void migr_do_export(void) {
 442         CitContext *Ctx;
 443
 444         Ctx = CC;
 445         cprintf("%d Exporting all Citadel databases.\n", LISTING_FOLLOWS);
 446         Ctx->dont_term = 1;
 447
 448         client_write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n", 40);
 449         client_write("<citadel_migrate_data>\n", 23);
 450         cprintf("<version>%d</version>\n", REV_LEVEL);
 451         cprintf("<progress>%d</progress>\n", 0);
 452
 453         /* export the configuration database */
 454         migr_export_configs();
 455         cprintf("<progress>%d</progress>\n", 2);
 456
 457         if (Ctx->kill_me == 0)  migr_export_users();
 458         cprintf("<progress>%d</progress>\n", 7);
 459         if (Ctx->kill_me == 0)  migr_export_openids();
 460         cprintf("<progress>%d</progress>\n", 12);
 461         if (Ctx->kill_me == 0)  migr_export_rooms();
 462         cprintf("<progress>%d</progress>\n", 17);
 463         if (Ctx->kill_me == 0)  migr_export_floors();
 464         cprintf("<progress>%d</progress>\n", 18);
 465         if (Ctx->kill_me == 0)  migr_export_visits();
 466         cprintf("<progress>%d</progress>\n", 25);
 467         if (Ctx->kill_me == 0)  migr_export_messages();
 468         client_write("</citadel_migrate_data>\n", 24);
 469         cprintf("<progress>%d</progress>\n", 100);
 470         client_write("000\n", 4);
 471         Ctx->dont_term = 0;
 472 }
 473
 474
 475
 476
 477
 478 /*
 479  * Here's the code that implements the import side.  It's going to end up being
 480  * one big loop with lots of global variables.  I don't care.  You wouldn't run
 481  * multiple concurrent imports anyway.  If this offends your delicate sensibilities
 482  * then go rewrite it in Ruby on Rails or something.
 483  */
 484
 485
 486 int citadel_migrate_data = 0;           /* Are we inside a <citadel_migrate_data> tag pair? */
 487 StrBuf *migr_chardata = NULL;
 488 StrBuf *migr_MsgData = NULL;
 489 struct ctdluser usbuf;
 490 struct ctdlroom qrbuf;
 491 char openid_url[512];
 492 long openid_usernum = 0;
 493 char FRname[ROOMNAMELEN];
 494 struct floor flbuf;
 495 int floornum = 0;
 496 visit vbuf;
 497 struct MetaData smi;
 498 long import_msgnum = 0;
 499
 500 /*
 501  * This callback stores up the data which appears in between tags.
 502  */
 503 void migr_xml_chardata(void *data, const XML_Char *s, int len)
 504 {
 505         StrBufAppendBufPlain(migr_chardata, s, len, 0);
 506 }
 507
 508
 509 void migr_xml_start(void *data, const char *el, const char **attr) {
 510         int i;
 511
 512         /*** GENERAL STUFF ***/
 513
 514         /* Reset chardata_len to zero and init buffer */
 515         FlushStrBuf(migr_chardata);
 516         FlushStrBuf(migr_MsgData);
 517
 518         if (!strcasecmp(el, "citadel_migrate_data")) {
 519                 ++citadel_migrate_data;
 520
 521                 /* As soon as it looks like the input data is a genuine Citadel XML export,
 522                  * whack the existing database on disk to make room for the new one.
 523                  */
 524                 if (citadel_migrate_data == 1) {
 525                         for (i = 0; i < MAXCDB; ++i) {
 526                                 cdb_trunc(i);
 527                         }
 528                 }
 529                 return;
 530         }
 531
 532         if (citadel_migrate_data != 1) {
 533                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n", el);
 534                 return;
 535         }
 536
 537         /* When we begin receiving XML for one of these record types, clear out the associated
 538          * buffer so we don't accidentally carry over any data from a previous record.
 539          */
 540         if (!strcasecmp(el, "user"))                    memset(&usbuf, 0, sizeof (struct ctdluser));
 541         else if (!strcasecmp(el, "openid"))             memset(openid_url, 0, sizeof openid_url);
 542         else if (!strcasecmp(el, "room"))               memset(&qrbuf, 0, sizeof (struct ctdlroom));
 543         else if (!strcasecmp(el, "room_messages"))      memset(FRname, 0, sizeof FRname);
 544         else if (!strcasecmp(el, "floor"))              memset(&flbuf, 0, sizeof (struct floor));
 545         else if (!strcasecmp(el, "visit"))              memset(&vbuf, 0, sizeof (visit));
 546
 547         else if (!strcasecmp(el, "message")) {
 548                 memset(&smi, 0, sizeof (struct MetaData));
 549                 import_msgnum = 0;
 550         }
 551         else if (!strcasecmp(el, "config")) {
 552                 syslog(LOG_DEBUG, "\033[31m IMPORT OF CONFIG START ELEMENT FIXME\033\0m");
 553         }
 554
 555 }
 556
 557
 558 int migr_userrecord(void *data, const char *el)
 559 {
 560         if (!strcasecmp(el, "u_version"))                       usbuf.version = atoi(ChrPtr(migr_chardata));
 561         else if (!strcasecmp(el, "u_uid"))                      usbuf.uid = atol(ChrPtr(migr_chardata));
 562         else if (!strcasecmp(el, "u_password"))                 safestrncpy(usbuf.password, ChrPtr(migr_chardata), sizeof usbuf.password);
 563         else if (!strcasecmp(el, "u_flags"))                    usbuf.flags = atoi(ChrPtr(migr_chardata));
 564         else if (!strcasecmp(el, "u_timescalled"))              usbuf.timescalled = atol(ChrPtr(migr_chardata));
 565         else if (!strcasecmp(el, "u_posted"))                   usbuf.posted = atol(ChrPtr(migr_chardata));
 566         else if (!strcasecmp(el, "u_axlevel"))                  usbuf.axlevel = atoi(ChrPtr(migr_chardata));
 567         else if (!strcasecmp(el, "u_usernum"))                  usbuf.usernum = atol(ChrPtr(migr_chardata));
 568         else if (!strcasecmp(el, "u_lastcall"))                 usbuf.lastcall = atol(ChrPtr(migr_chardata));
 569         else if (!strcasecmp(el, "u_USuserpurge"))              usbuf.USuserpurge = atoi(ChrPtr(migr_chardata));
 570         else if (!strcasecmp(el, "u_fullname"))                 safestrncpy(usbuf.fullname, ChrPtr(migr_chardata), sizeof usbuf.fullname);
 571         else return 0;
 572         return 1;
 573 }
 574
 575 int migr_roomrecord(void *data, const char *el)
 576 {
 577         if (!strcasecmp(el, "QRname"))                  safestrncpy(qrbuf.QRname, ChrPtr(migr_chardata), sizeof qrbuf.QRname);
 578         else if (!strcasecmp(el, "QRpasswd"))                   safestrncpy(qrbuf.QRpasswd, ChrPtr(migr_chardata), sizeof qrbuf.QRpasswd);
 579         else if (!strcasecmp(el, "QRroomaide"))                 qrbuf.QRroomaide = atol(ChrPtr(migr_chardata));
 580         else if (!strcasecmp(el, "QRhighest"))                  qrbuf.QRhighest = atol(ChrPtr(migr_chardata));
 581         else if (!strcasecmp(el, "QRgen"))                      qrbuf.QRgen = atol(ChrPtr(migr_chardata));
 582         else if (!strcasecmp(el, "QRflags"))                    qrbuf.QRflags = atoi(ChrPtr(migr_chardata));
 583         else if (!strcasecmp(el, "QRdirname"))                  safestrncpy(qrbuf.QRdirname, ChrPtr(migr_chardata), sizeof qrbuf.QRdirname);
 584         else if (!strcasecmp(el, "QRinfo"))                     qrbuf.QRinfo = atol(ChrPtr(migr_chardata));
 585         else if (!strcasecmp(el, "QRfloor"))                    qrbuf.QRfloor = atoi(ChrPtr(migr_chardata));
 586         else if (!strcasecmp(el, "QRmtime"))                    qrbuf.QRmtime = atol(ChrPtr(migr_chardata));
 587         else if (!strcasecmp(el, "QRexpire_mode"))              qrbuf.QRep.expire_mode = atoi(ChrPtr(migr_chardata));
 588         else if (!strcasecmp(el, "QRexpire_value"))             qrbuf.QRep.expire_value = atoi(ChrPtr(migr_chardata));
 589         else if (!strcasecmp(el, "QRnumber"))                   qrbuf.QRnumber = atol(ChrPtr(migr_chardata));
 590         else if (!strcasecmp(el, "QRorder"))                    qrbuf.QRorder = atoi(ChrPtr(migr_chardata));
 591         else if (!strcasecmp(el, "QRflags2"))                   qrbuf.QRflags2 = atoi(ChrPtr(migr_chardata));
 592         else if (!strcasecmp(el, "QRdefaultview"))              qrbuf.QRdefaultview = atoi(ChrPtr(migr_chardata));
 593         else return 0;
 594         return 1;
 595 }
 596
 597 int migr_floorrecord(void *data, const char *el)
 598 {
 599         if (!strcasecmp(el, "f_num"))                   floornum = atoi(ChrPtr(migr_chardata));
 600         else if (!strcasecmp(el, "f_flags"))                    flbuf.f_flags = atoi(ChrPtr(migr_chardata));
 601         else if (!strcasecmp(el, "f_name"))                     safestrncpy(flbuf.f_name, ChrPtr(migr_chardata), sizeof flbuf.f_name);
 602         else if (!strcasecmp(el, "f_ref_count"))                flbuf.f_ref_count = atoi(ChrPtr(migr_chardata));
 603         else if (!strcasecmp(el, "f_ep_expire_mode"))           flbuf.f_ep.expire_mode = atoi(ChrPtr(migr_chardata));
 604         else if (!strcasecmp(el, "f_ep_expire_value"))          flbuf.f_ep.expire_value = atoi(ChrPtr(migr_chardata));
 605         else return 0;
 606         return 1;
 607 }
 608
 609 int migr_visitrecord(void *data, const char *el)
 610 {
 611         if (!strcasecmp(el, "v_roomnum"))                       vbuf.v_roomnum = atol(ChrPtr(migr_chardata));
 612         else if (!strcasecmp(el, "v_roomgen"))                  vbuf.v_roomgen = atol(ChrPtr(migr_chardata));
 613         else if (!strcasecmp(el, "v_usernum"))                  vbuf.v_usernum = atol(ChrPtr(migr_chardata));
 614
 615         else if (!strcasecmp(el, "v_seen")) {
 616                 int is_textual_seen = 0;
 617                 int i;
 618                 int max = StrLength(migr_chardata);
 619
 620                 vbuf.v_lastseen = atol(ChrPtr(migr_chardata));
 621                 is_textual_seen = 0;
 622                 for (i=0; i < max; ++i)
 623                         if (!isdigit(ChrPtr(migr_chardata)[i]))
 624                                 is_textual_seen = 1;
 625                 if (is_textual_seen)
 626                         safestrncpy(vbuf.v_seen, ChrPtr(migr_chardata), sizeof vbuf.v_seen);
 627         }
 628
 629         else if (!strcasecmp(el, "v_answered"))                 safestrncpy(vbuf.v_answered, ChrPtr(migr_chardata), sizeof vbuf.v_answered);
 630         else if (!strcasecmp(el, "v_flags"))                    vbuf.v_flags = atoi(ChrPtr(migr_chardata));
 631         else if (!strcasecmp(el, "v_view"))                     vbuf.v_view = atoi(ChrPtr(migr_chardata));
 632         else return 0;
 633         return 1;
 634 }
 635
 636
 637 void migr_xml_end(void *data, const char *el)
 638 {
 639         const char *ptr;
 640         int msgcount = 0;
 641         long msgnum = 0L;
 642         long *msglist = NULL;
 643         int msglist_alloc = 0;
 644         /*** GENERAL STUFF ***/
 645
 646         if (!strcasecmp(el, "citadel_migrate_data")) {
 647                 --citadel_migrate_data;
 648                 return;
 649         }
 650
 651         if (citadel_migrate_data != 1) {
 652                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n", el);
 653                 return;
 654         }
 655
 656         // syslog(LOG_DEBUG, "END TAG: <%s> DATA: <%s>\n", el, (migr_chardata_len ? migr_chardata : ""));
 657
 658         /*** CONFIG ***/
 659
 660         if (!strcasecmp(el, "config"))
 661         {
 662                 syslog(LOG_DEBUG, "\033[31m IMPORT OF CONFIG END ELEMENT FIXME\033\0m");
 663                 CtdlSetConfigInt("c_enable_fulltext", 0);       /* always disable FIXME put this somewhere more appropriate */
 664         }
 665
 666         /*** USER ***/
 667         else if ((!strncasecmp(el, HKEY("u_"))) &&
 668                  migr_userrecord(data, el))
 669                 ; /* Nothing to do anymore */
 670         else if (!strcasecmp(el, "user")) {
 671                 CtdlPutUser(&usbuf);
 672                 syslog(LOG_INFO, "Imported user: %s\n", usbuf.fullname);
 673         }
 674
 675         /*** OPENID ***/
 676
 677         else if (!strcasecmp(el, "oid_url"))                    safestrncpy(openid_url, ChrPtr(migr_chardata), sizeof openid_url);
 678         else if (!strcasecmp(el, "oid_usernum"))                openid_usernum = atol(ChrPtr(migr_chardata));
 679
 680         else if (!strcasecmp(el, "openid")) {                   /* see serv_openid_rp.c for a description of the record format */
 681                 char *oid_data;
 682                 int oid_data_len;
 683                 oid_data_len = sizeof(long) + strlen(openid_url) + 1;
 684                 oid_data = malloc(oid_data_len);
 685                 memcpy(oid_data, &openid_usernum, sizeof(long));
 686                 memcpy(&oid_data[sizeof(long)], openid_url, strlen(openid_url) + 1);
 687                 cdb_store(CDB_OPENID, openid_url, strlen(openid_url), oid_data, oid_data_len);
 688                 free(oid_data);
 689                 syslog(LOG_INFO, "Imported OpenID: %s (%ld)\n", openid_url, openid_usernum);
 690         }
 691
 692         /*** ROOM ***/
 693         else if ((!strncasecmp(el, HKEY("QR"))) &&
 694                  migr_roomrecord(data, el))
 695                 ; /* Nothing to do anymore */
 696         else if (!strcasecmp(el, "room")) {
 697                 CtdlPutRoom(&qrbuf);
 698                 syslog(LOG_INFO, "Imported room: %s\n", qrbuf.QRname);
 699         }
 700
 701         /*** ROOM MESSAGE POINTERS ***/
 702
 703         else if (!strcasecmp(el, "FRname"))                     safestrncpy(FRname, ChrPtr(migr_chardata), sizeof FRname);
 704
 705         else if (!strcasecmp(el, "FRmsglist")) {
 706                 if (!IsEmptyStr(FRname)) {
 707                         msgcount = 0;
 708                         msglist_alloc = 1000;
 709                         msglist = malloc(sizeof(long) * msglist_alloc);
 710
 711                         syslog(LOG_DEBUG, "Message list for: %s\n", FRname);
 712
 713                         ptr = ChrPtr(migr_chardata);
 714                         while (*ptr != 0) {
 715                                 while ((*ptr != 0) && (!isdigit(*ptr))) {
 716                                         ++ptr;
 717                                 }
 718                                 if ((*ptr != 0) && (isdigit(*ptr))) {
 719                                         msgnum = atol(ptr);
 720                                         if (msgnum > 0L) {
 721                                                 if (msgcount >= msglist_alloc) {
 722                                                         msglist_alloc *= 2;
 723                                                         msglist = realloc(msglist, sizeof(long) * msglist_alloc);
 724                                                 }
 725                                                 msglist[msgcount++] = msgnum;
 726                                                 }
 727                                         }
 728                                         while ((*ptr != 0) && (isdigit(*ptr))) {
 729                                                 ++ptr;
 730                                         }
 731                                 }
 732                         }
 733                         if (msgcount > 0) {
 734                                 CtdlSaveMsgPointersInRoom(FRname, msglist, msgcount, 0, NULL, 1);
 735                         }
 736                         free(msglist);
 737                         msglist = NULL;
 738                         msglist_alloc = 0;
 739                         syslog(LOG_DEBUG, "Imported %d messages.\n", msgcount);
 740                         if (server_shutting_down) {
 741                                 return;
 742                 }
 743         }
 744
 745         /*** FLOORS ***/
 746         else if ((!strncasecmp(el, HKEY("f_"))) &&
 747                  migr_floorrecord(data, el))
 748                 ; /* Nothing to do anymore */
 749
 750         else if (!strcasecmp(el, "floor")) {
 751                 CtdlPutFloor(&flbuf, floornum);
 752                 syslog(LOG_INFO, "Imported floor #%d (%s)\n", floornum, flbuf.f_name);
 753         }
 754
 755         /*** VISITS ***/
 756         else if ((!strncasecmp(el, HKEY("v_"))) &&
 757                  migr_visitrecord(data, el))
 758                 ; /* Nothing to do anymore */
 759         else if (!strcasecmp(el, "visit")) {
 760                 put_visit(&vbuf);
 761                 syslog(LOG_INFO, "Imported visit: %ld/%ld/%ld\n", vbuf.v_roomnum, vbuf.v_roomgen, vbuf.v_usernum);
 762         }
 763
 764         /*** MESSAGES ***/
 765
 766         else if (!strcasecmp(el, "msg_msgnum"))                 import_msgnum = atol(ChrPtr(migr_chardata));
 767         else if (!strcasecmp(el, "msg_meta_refcount"))          smi.meta_refcount = atoi(ChrPtr(migr_chardata));
 768         else if (!strcasecmp(el, "msg_meta_content_type"))      safestrncpy(smi.meta_content_type, ChrPtr(migr_chardata), sizeof smi.meta_content_type);
 769
 770         else if (!strcasecmp(el, "msg_text"))
 771         {
 772
 773                 FlushStrBuf(migr_MsgData);
 774                 StrBufDecodeBase64To(migr_MsgData, migr_MsgData);
 775
 776                 cdb_store(CDB_MSGMAIN,
 777                           &import_msgnum,
 778                           sizeof(long),
 779                           ChrPtr(migr_MsgData),
 780                           StrLength(migr_MsgData) + 1);
 781
 782                 smi.meta_msgnum = import_msgnum;
 783                 PutMetaData(&smi);
 784
 785                 syslog(LOG_INFO,
 786                        "Imported message #%ld, size=%d, refcount=%d, content-type: %s\n",
 787                        import_msgnum,
 788                        StrLength(migr_MsgData),
 789                        smi.meta_refcount,
 790                        smi.meta_content_type);
 791         }
 792
 793         /*** MORE GENERAL STUFF ***/
 794
 795         FlushStrBuf(migr_chardata);
 796 }
 797
 798
 799
 800
 801 /*
 802  * Import begins here
 803  */
 804 void migr_do_import(void) {
 805         StrBuf *Buf;
 806         XML_Parser xp;
 807         int Finished = 0;
 808
 809         unbuffer_output();
 810         migr_chardata = NewStrBufPlain(NULL, SIZ * 20);
 811         migr_MsgData = NewStrBufPlain(NULL, SIZ * 20);
 812         Buf = NewStrBufPlain(NULL, SIZ);
 813         xp = XML_ParserCreate(NULL);
 814         if (!xp) {
 815                 cprintf("%d Failed to create XML parser instance\n", ERROR+INTERNAL_ERROR);
 816                 return;
 817         }
 818         XML_SetElementHandler(xp, migr_xml_start, migr_xml_end);
 819         XML_SetCharacterDataHandler(xp, migr_xml_chardata);
 820
 821         CC->dont_term = 1;
 822
 823         cprintf("%d sock it to me\n", SEND_LISTING);
 824         unbuffer_output();
 825
 826         client_set_inbound_buf(SIZ * 10);
 827
 828         while (!Finished && client_read_random_blob(Buf, -1) >= 0) {
 829                 if ((StrLength(Buf) > 4) &&
 830                     !strcmp(ChrPtr(Buf) + StrLength(Buf) - 4, "000\n"))
 831                 {
 832                         Finished = 1;
 833                         StrBufCutAt(Buf, StrLength(Buf) - 4, NULL);
 834                 }
 835                 if (server_shutting_down)
 836                         break;  // Should we break or return?
 837
 838                 if (StrLength(Buf) == 0)
 839                         continue;
 840
 841                 XML_Parse(xp, ChrPtr(Buf), StrLength(Buf), 0);
 842                 FlushStrBuf(Buf);
 843         }
 844
 845         XML_Parse(xp, "", 0, 1);
 846         XML_ParserFree(xp);
 847         FreeStrBuf(&Buf);
 848         FreeStrBuf(&migr_chardata);
 849         FreeStrBuf(&migr_MsgData);
 850         rebuild_euid_index();
 851         rebuild_usersbynumber();
 852         CC->dont_term = 0;
 853 }
 854
 855
 856
 857 /*
 858  * Dump out the pathnames of directories which can be copied "as is"
 859  */
 860 void migr_do_listdirs(void) {
 861         cprintf("%d Don't forget these:\n", LISTING_FOLLOWS);
 862         cprintf("bio|%s\n",             ctdl_bio_dir);
 863         cprintf("files|%s\n",           ctdl_file_dir);
 864         cprintf("userpics|%s\n",        ctdl_usrpic_dir);
 865         cprintf("messages|%s\n",        ctdl_message_dir);
 866         cprintf("netconfigs|%s\n",      ctdl_netcfg_dir);
 867         cprintf("keys|%s\n",            ctdl_key_dir);
 868         cprintf("images|%s\n",          ctdl_image_dir);
 869         cprintf("info|%s\n",            ctdl_info_dir);
 870         cprintf("000\n");
 871 }
 872
 873
 874 /*
 875  * Common code appears in this section
 876  */
 877
 878
 879 void cmd_migr(char *cmdbuf) {
 880         char cmd[32];
 881
 882         if (CtdlAccessCheck(ac_internal)) return;
 883
 884         if (CtdlTrySingleUser())
 885         {
 886                 CtdlDisableHouseKeeping();
 887                 CtdlMakeTempFileName(migr_tempfilename1, sizeof migr_tempfilename1);
 888                 CtdlMakeTempFileName(migr_tempfilename2, sizeof migr_tempfilename2);
 889
 890                 extract_token(cmd, cmdbuf, 0, '|', sizeof cmd);
 891                 if (!strcasecmp(cmd, "export")) {
 892                         migr_do_export();
 893                 }
 894                 else if (!strcasecmp(cmd, "import")) {
 895                         migr_do_import();
 896                 }
 897                 else if (!strcasecmp(cmd, "listdirs")) {
 898                         migr_do_listdirs();
 899                 }
 900                 else {
 901                         cprintf("%d illegal command\n", ERROR + ILLEGAL_VALUE);
 902                 }
 903
 904                 unlink(migr_tempfilename1);
 905                 unlink(migr_tempfilename2);
 906
 907                 CtdlEnableHouseKeeping();
 908                 CtdlEndSingleUser();
 909         }
 910         else
 911         {
 912                 cprintf("%d The migrator is already running.\n", ERROR + RESOURCE_BUSY);
 913         }
 914 }
 915
 916
 917 CTDL_MODULE_INIT(migrate)
 918 {
 919         if (!threading)
 920         {
 921                 CtdlRegisterProtoHook(cmd_migr, "MIGR", "Across-the-wire migration");
 922         }
 923
 924         /* return our module name for the log */
 925         return "migrate";
 926 }