f4c8ef7b34dab9da555244fd40354a7f14b2431c
[citadel.git] / citadel / modules / migrate / serv_migrate.c
1 /*
2  * This module dumps and/or loads the Citadel database in XML format.
3  *
4  * Copyright (c) 1987-2012 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 #include "sysdep.h"
16 #include <stdlib.h>
17 #include <unistd.h>
18 #include <stdio.h>
19 #include <fcntl.h>
20 #include <signal.h>
21 #include <pwd.h>
22 #include <errno.h>
23 #include <sys/types.h>
24
25 #if TIME_WITH_SYS_TIME
26 # include <sys/time.h>
27 # include <time.h>
28 #else
29 # if HAVE_SYS_TIME_H
30 #  include <sys/time.h>
31 # else
32 #  include <time.h>
33 # endif
34 #endif
35
36 #include <sys/wait.h>
37 #include <string.h>
38 #include <ctype.h>
39 #include <limits.h>
40 #include <expat.h>
41 #include <libcitadel.h>
42 #include "citadel.h"
43 #include "server.h"
44 #include "citserver.h"
45 #include "support.h"
46 #include "config.h"
47 #include "database.h"
48 #include "msgbase.h"
49 #include "user_ops.h"
50 #include "control.h"
51 #include "euidindex.h"
52 #include "ctdl_module.h"
53
54 #define END_OF_MESSAGE  "---eom---dbd---"
55
56 char migr_tempfilename1[PATH_MAX];
57 char migr_tempfilename2[PATH_MAX];
58 FILE *migr_global_message_list;
59
60
61 /*
62  * Code which implements the export appears in this section
63  */
64
65 /*
66  * Output a string to the client with these characters escaped:  & < >
67  */
68 void xml_strout(char *str) {
69
70         char *c = str;
71
72         while (*c != 0) {
73                 if (*c == '\"') {
74                         client_write("&quot;", 6);
75                 }
76                 else if (*c == '\'') {
77                         client_write("&apos;", 6);
78                 }
79                 else if (*c == '<') {
80                         client_write("&lt;", 4);
81                 }
82                 else if (*c == '>') {
83                         client_write("&gt;", 4);
84                 }
85                 else if (*c == '&') {
86                         client_write("&amp;", 5);
87                 }
88                 else {
89                         client_write(c, 1);
90                 }
91                 ++c;
92         }
93 }
94
95
96 /*
97  * Export a user record as XML
98  */
99 void migr_export_users_backend(struct ctdluser *buf, void *data) {
100         client_write("<user>\n", 7);
101         cprintf("<u_version>%d</u_version>\n", buf->version);
102         cprintf("<u_uid>%ld</u_uid>\n", (long)buf->uid);
103         client_write("<u_password>", 12);       xml_strout(buf->password);              client_write("</u_password>\n", 14);
104         cprintf("<u_flags>%u</u_flags>\n", buf->flags);
105         cprintf("<u_timescalled>%ld</u_timescalled>\n", buf->timescalled);
106         cprintf("<u_posted>%ld</u_posted>\n", buf->posted);
107         cprintf("<u_axlevel>%d</u_axlevel>\n", buf->axlevel);
108         cprintf("<u_usernum>%ld</u_usernum>\n", buf->usernum);
109         cprintf("<u_lastcall>%ld</u_lastcall>\n", (long)buf->lastcall);
110         cprintf("<u_USuserpurge>%d</u_USuserpurge>\n", buf->USuserpurge);
111         client_write("<u_fullname>", 12);       xml_strout(buf->fullname);              client_write("</u_fullname>\n", 14);
112         client_write("</user>\n", 8);
113 }
114
115
116 void migr_export_users(void) {
117         ForEachUser(migr_export_users_backend, NULL);
118 }
119
120
121 void migr_export_room_msg(long msgnum, void *userdata) {
122         cprintf("%ld\n", msgnum);
123         fprintf(migr_global_message_list, "%ld\n", msgnum);
124 }
125
126
127 void migr_export_rooms_backend(struct ctdlroom *buf, void *data) {
128         client_write("<room>\n", 7);
129         client_write("<QRname>", 8);    xml_strout(buf->QRname);        client_write("</QRname>\n", 10);
130         client_write("<QRpasswd>", 10); xml_strout(buf->QRpasswd);      client_write("</QRpasswd>\n", 12);
131         cprintf("<QRroomaide>%ld</QRroomaide>\n", buf->QRroomaide);
132         cprintf("<QRhighest>%ld</QRhighest>\n", buf->QRhighest);
133         cprintf("<QRgen>%ld</QRgen>\n", (long)buf->QRgen);
134         cprintf("<QRflags>%u</QRflags>\n", buf->QRflags);
135         if (buf->QRflags & QR_DIRECTORY) {
136                 client_write("<QRdirname>", 11);
137                 xml_strout(buf->QRdirname);
138                 client_write("</QRdirname>\n", 13);
139         }
140         cprintf("<QRinfo>%ld</QRinfo>\n", buf->QRinfo);
141         cprintf("<QRfloor>%d</QRfloor>\n", buf->QRfloor);
142         cprintf("<QRmtime>%ld</QRmtime>\n", (long)buf->QRmtime);
143         cprintf("<QRexpire_mode>%d</QRexpire_mode>\n", buf->QRep.expire_mode);
144         cprintf("<QRexpire_value>%d</QRexpire_value>\n", buf->QRep.expire_value);
145         cprintf("<QRnumber>%ld</QRnumber>\n", buf->QRnumber);
146         cprintf("<QRorder>%d</QRorder>\n", buf->QRorder);
147         cprintf("<QRflags2>%u</QRflags2>\n", buf->QRflags2);
148         cprintf("<QRdefaultview>%d</QRdefaultview>\n", buf->QRdefaultview);
149         client_write("</room>\n", 8);
150
151         /* message list goes inside this tag */
152
153         CtdlGetRoom(&CC->room, buf->QRname);
154         client_write("<room_messages>", 15);
155         client_write("<FRname>", 8);    xml_strout(CC->room.QRname);    client_write("</FRname>\n", 10);
156         client_write("<FRmsglist>", 11);
157         CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, migr_export_room_msg, NULL);
158         client_write("</FRmsglist>\n", 13);
159         client_write("</room_messages>\n", 17);
160
161
162 }
163
164
165 void migr_export_rooms(void) {
166         char cmd[SIZ];
167         migr_global_message_list = fopen(migr_tempfilename1, "w");
168         if (migr_global_message_list != NULL) {
169                 CtdlForEachRoom(migr_export_rooms_backend, NULL);
170                 fclose(migr_global_message_list);
171         }
172
173         /*
174          * Process the 'global' message list.  (Sort it and remove dups.
175          * Dups are ok because a message may be in more than one room, but
176          * this will be handled by exporting the reference count, not by
177          * exporting the message multiple times.)
178          */
179         snprintf(cmd, sizeof cmd, "sort -n <%s >%s", migr_tempfilename1, migr_tempfilename2);
180         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d\n", errno);
181         snprintf(cmd, sizeof cmd, "uniq <%s >%s", migr_tempfilename2, migr_tempfilename1);
182         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d\n", errno);
183 }
184
185
186 void migr_export_floors(void) {
187         struct floor qfbuf, *buf;
188         int i;
189
190         for (i=0; i < MAXFLOORS; ++i) {
191                 client_write("<floor>\n", 8);
192                 cprintf("<f_num>%d</f_num>\n", i);
193                 CtdlGetFloor(&qfbuf, i);
194                 buf = &qfbuf;
195                 cprintf("<f_flags>%u</f_flags>\n", buf->f_flags);
196                 client_write("<f_name>", 8); xml_strout(buf->f_name); client_write("</f_name>\n", 10);
197                 cprintf("<f_ref_count>%d</f_ref_count>\n", buf->f_ref_count);
198                 cprintf("<f_ep_expire_mode>%d</f_ep_expire_mode>\n", buf->f_ep.expire_mode);
199                 cprintf("<f_ep_expire_value>%d</f_ep_expire_value>\n", buf->f_ep.expire_value);
200                 client_write("</floor>\n", 9);
201         }
202 }
203
204
205 /*
206  * Return nonzero if the supplied string contains only characters which are valid in a sequence set.
207  */
208 int is_sequence_set(char *s) {
209         if (!s) return(0);
210
211         char *c = s;
212         char ch;
213         while (ch = *c++, ch) {
214                 if (!strchr("0123456789*,:", ch)) {
215                         return(0);
216                 }
217         }
218         return(1);
219 }
220
221
222
223 /* 
224  *  Traverse the visits file...
225  */
226 void migr_export_visits(void) {
227         visit vbuf;
228         struct cdbdata *cdbv;
229
230         cdb_rewind(CDB_VISIT);
231
232         while (cdbv = cdb_next_item(CDB_VISIT), cdbv != NULL) {
233                 memset(&vbuf, 0, sizeof(visit));
234                 memcpy(&vbuf, cdbv->ptr,
235                        ((cdbv->len > sizeof(visit)) ?
236                         sizeof(visit) : cdbv->len));
237                 cdb_free(cdbv);
238
239                 client_write("<visit>\n", 8);
240                 cprintf("<v_roomnum>%ld</v_roomnum>\n", vbuf.v_roomnum);
241                 cprintf("<v_roomgen>%ld</v_roomgen>\n", vbuf.v_roomgen);
242                 cprintf("<v_usernum>%ld</v_usernum>\n", vbuf.v_usernum);
243
244                 client_write("<v_seen>", 8);
245                 if ( (!IsEmptyStr(vbuf.v_seen)) && (is_sequence_set(vbuf.v_seen)) ) {
246                         xml_strout(vbuf.v_seen);
247                 }
248                 else {
249                         cprintf("%ld", vbuf.v_lastseen);
250                 }
251                 client_write("</v_seen>", 9);
252
253                 if ( (!IsEmptyStr(vbuf.v_answered)) && (is_sequence_set(vbuf.v_answered)) ) {
254                         client_write("<v_answered>", 12);
255                         xml_strout(vbuf.v_answered);
256                         client_write("</v_answered>\n", 14);
257                 }
258
259                 cprintf("<v_flags>%u</v_flags>\n", vbuf.v_flags);
260                 cprintf("<v_view>%d</v_view>\n", vbuf.v_view);
261                 client_write("</visit>\n", 9);
262         }
263 }
264
265
266 void migr_export_message(long msgnum) {
267         struct MetaData smi;
268         struct CtdlMessage *msg;
269         struct ser_ret smr;
270
271         /* We can use a static buffer here because there will never be more than
272          * one of this operation happening at any given time, and it's really best
273          * to just keep it allocated once instead of torturing malloc/free.
274          * Call this function with msgnum "-1" to free the buffer when finished.
275          */
276         static int encoded_alloc = 0;
277         static char *encoded_msg = NULL;
278
279         if (msgnum < 0) {
280                 if ((encoded_alloc == 0) && (encoded_msg != NULL)) {
281                         free(encoded_msg);
282                         encoded_alloc = 0;
283                         encoded_msg = NULL;
284                 }
285                 return;
286         }
287
288         /* Ok, here we go ... */
289
290         msg = CtdlFetchMessage(msgnum, 1);
291         if (msg == NULL) return;        /* fail silently */
292
293         client_write("<message>\n", 10);
294         GetMetaData(&smi, msgnum);
295         cprintf("<msg_msgnum>%ld</msg_msgnum>\n", msgnum);
296         cprintf("<msg_meta_refcount>%d</msg_meta_refcount>\n", smi.meta_refcount);
297         client_write("<msg_meta_content_type>", 23); xml_strout(smi.meta_content_type); client_write("</msg_meta_content_type>\n", 25);
298
299         client_write("<msg_text>", 10);
300         CtdlSerializeMessage(&smr, msg);
301         CM_Free(msg);
302
303         /* Predict the buffer size we need.  Expand the buffer if necessary. */
304         int encoded_len = smr.len * 15 / 10 ;
305         if (encoded_len > encoded_alloc) {
306                 encoded_alloc = encoded_len;
307                 encoded_msg = realloc(encoded_msg, encoded_alloc);
308         }
309
310         if (encoded_msg == NULL) {
311                 /* Questionable hack that hopes it'll work next time and we only lose one message */
312                 encoded_alloc = 0;
313         }
314         else {
315                 /* Once we do the encoding we know the exact size */
316                 encoded_len = CtdlEncodeBase64(encoded_msg, (char *)smr.ser, smr.len, 1);
317                 client_write(encoded_msg, encoded_len);
318         }
319
320         free(smr.ser);
321
322         client_write("</msg_text>\n", 12);
323         client_write("</message>\n", 11);
324 }
325
326
327
328 void migr_export_openids(void) {
329         struct cdbdata *cdboi;
330         long usernum;
331         char url[512];
332
333         cdb_rewind(CDB_OPENID);
334         while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
335                 if (cdboi->len > sizeof(long)) {
336                         client_write("<openid>\n", 9);
337                         memcpy(&usernum, cdboi->ptr, sizeof(long));
338                         snprintf(url, sizeof url, "%s", (cdboi->ptr)+sizeof(long) );
339                         client_write("<oid_url>", 9);
340                         xml_strout(url);
341                         client_write("</oid_url>\n", 11);
342                         cprintf("<oid_usernum>%ld</oid_usernum>\n", usernum);
343                         client_write("</openid>\n", 10);
344                 }
345                 cdb_free(cdboi);
346         }
347 }
348
349
350
351
352 void migr_export_messages(void) {
353         char buf[SIZ];
354         long msgnum;
355         int count = 0;
356         CitContext *Ctx;
357
358         Ctx = CC;
359         migr_global_message_list = fopen(migr_tempfilename1, "r");
360         if (migr_global_message_list != NULL) {
361                 syslog(LOG_INFO, "Opened %s\n", migr_tempfilename1);
362                 while ((Ctx->kill_me == 0) && 
363                        (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
364                         msgnum = atol(buf);
365                         if (msgnum > 0L) {
366                                 migr_export_message(msgnum);
367                                 ++count;
368                         }
369                 }
370                 fclose(migr_global_message_list);
371         }
372         if (Ctx->kill_me == 0)
373                 syslog(LOG_INFO, "Exported %d messages.\n", count);
374         else
375                 syslog(LOG_ERR, "Export aborted due to client disconnect! \n");
376
377         migr_export_message(-1L);       /* This frees the encoding buffer */
378 }
379
380
381
382 void migr_do_export(void) {
383         CitContext *Ctx;
384
385         Ctx = CC;
386         cprintf("%d Exporting all Citadel databases.\n", LISTING_FOLLOWS);
387         Ctx->dont_term = 1;
388
389         client_write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n", 40);
390         client_write("<citadel_migrate_data>\n", 23);
391         cprintf("<version>%d</version>\n", REV_LEVEL);
392
393         /* export the config file (this is done using x-macros) */
394         client_write("<config>\n", 9);
395         client_write("<c_nodename>", 12);       xml_strout(config.c_nodename);          client_write("</c_nodename>\n", 14);
396         client_write("<c_fqdn>", 8);            xml_strout(config.c_fqdn);              client_write("</c_fqdn>\n", 10);
397         client_write("<c_humannode>", 13);      xml_strout(config.c_humannode);         client_write("</c_humannode>\n", 15);
398         client_write("<c_phonenum>", 12);       xml_strout(config.c_phonenum);          client_write("</c_phonenum>\n", 14);
399         cprintf("<c_ctdluid>%d</c_ctdluid>\n", config.c_ctdluid);
400         cprintf("<c_creataide>%d</c_creataide>\n", config.c_creataide);
401         cprintf("<c_sleeping>%d</c_sleeping>\n", config.c_sleeping);
402         cprintf("<c_initax>%d</c_initax>\n", config.c_initax);
403         cprintf("<c_regiscall>%d</c_regiscall>\n", config.c_regiscall);
404         cprintf("<c_twitdetect>%d</c_twitdetect>\n", config.c_twitdetect);
405         client_write("<c_twitroom>", 12);       xml_strout(config.c_twitroom);          client_write("</c_twitroom>\n", 14);
406         client_write("<c_moreprompt>", 14);     xml_strout(config.c_moreprompt);        client_write("</c_moreprompt>\n", 16);
407         cprintf("<c_restrict>%d</c_restrict>\n", config.c_restrict);
408         client_write("<c_site_location>", 17);  xml_strout(config.c_site_location);     client_write("</c_site_location>\n", 19);
409         client_write("<c_sysadm>", 10);         xml_strout(config.c_sysadm);            client_write("</c_sysadm>\n", 12);
410         cprintf("<c_maxsessions>%d</c_maxsessions>\n", config.c_maxsessions);
411         client_write("<c_ip_addr>", 11);        xml_strout(config.c_ip_addr);           client_write("</c_ip_addr>\n", 13);
412         cprintf("<c_port_number>%d</c_port_number>\n", config.c_port_number);
413         cprintf("<c_ep_expire_mode>%d</c_ep_expire_mode>\n", config.c_ep.expire_mode);
414         cprintf("<c_ep_expire_value>%d</c_ep_expire_value>\n", config.c_ep.expire_value);
415         cprintf("<c_userpurge>%d</c_userpurge>\n", config.c_userpurge);
416         cprintf("<c_roompurge>%d</c_roompurge>\n", config.c_roompurge);
417         client_write("<c_logpages>", 12);       xml_strout(config.c_logpages);          client_write("</c_logpages>\n", 14);
418         cprintf("<c_createax>%d</c_createax>\n", config.c_createax);
419         cprintf("<c_maxmsglen>%ld</c_maxmsglen>\n", config.c_maxmsglen);
420         cprintf("<c_min_workers>%d</c_min_workers>\n", config.c_min_workers);
421         cprintf("<c_max_workers>%d</c_max_workers>\n", config.c_max_workers);
422         cprintf("<c_pop3_port>%d</c_pop3_port>\n", config.c_pop3_port);
423         cprintf("<c_smtp_port>%d</c_smtp_port>\n", config.c_smtp_port);
424         cprintf("<c_rfc822_strict_from>%d</c_rfc822_strict_from>\n", config.c_rfc822_strict_from);
425         cprintf("<c_aide_zap>%d</c_aide_zap>\n", config.c_aide_zap);
426         cprintf("<c_imap_port>%d</c_imap_port>\n", config.c_imap_port);
427         cprintf("<c_net_freq>%ld</c_net_freq>\n", config.c_net_freq);
428         cprintf("<c_disable_newu>%d</c_disable_newu>\n", config.c_disable_newu);
429         cprintf("<c_enable_fulltext>%d</c_enable_fulltext>\n", config.c_enable_fulltext);
430         client_write("<c_baseroom>", 12);       xml_strout(config.c_baseroom);          client_write("</c_baseroom>\n", 14);
431         client_write("<c_aideroom>", 12);       xml_strout(config.c_aideroom);          client_write("</c_aideroom>\n", 14);
432         cprintf("<c_purge_hour>%d</c_purge_hour>\n", config.c_purge_hour);
433         cprintf("<c_mbxep_expire_mode>%d</c_mbxep_expire_mode>\n", config.c_mbxep.expire_mode);
434         cprintf("<c_mbxep_expire_value>%d</c_mbxep_expire_value>\n", config.c_mbxep.expire_value);
435         client_write("<c_ldap_host>", 13);      xml_strout(config.c_ldap_host);         client_write("</c_ldap_host>\n", 15);
436         cprintf("<c_ldap_port>%d</c_ldap_port>\n", config.c_ldap_port);
437         client_write("<c_ldap_base_dn>", 16);   xml_strout(config.c_ldap_base_dn);      client_write("</c_ldap_base_dn>\n", 18);
438         client_write("<c_ldap_bind_dn>", 16);   xml_strout(config.c_ldap_bind_dn);      client_write("</c_ldap_bind_dn>\n", 18);
439         client_write("<c_ldap_bind_pw>", 16);   xml_strout(config.c_ldap_bind_pw);      client_write("</c_ldap_bind_pw>\n", 18);
440         cprintf("<c_msa_port>%d</c_msa_port>\n", config.c_msa_port);
441         cprintf("<c_imaps_port>%d</c_imaps_port>\n", config.c_imaps_port);
442         cprintf("<c_pop3s_port>%d</c_pop3s_port>\n", config.c_pop3s_port);
443         cprintf("<c_smtps_port>%d</c_smtps_port>\n", config.c_smtps_port);
444         cprintf("<c_auto_cull>%d</c_auto_cull>\n", config.c_auto_cull);
445         cprintf("<c_allow_spoofing>%d</c_allow_spoofing>\n", config.c_allow_spoofing);
446         cprintf("<c_journal_email>%d</c_journal_email>\n", config.c_journal_email);
447         cprintf("<c_journal_pubmsgs>%d</c_journal_pubmsgs>\n", config.c_journal_pubmsgs);
448         client_write("<c_journal_dest>", 16);   xml_strout(config.c_journal_dest);      client_write("</c_journal_dest>\n", 18);
449         client_write("<c_default_cal_zone>", 20);       xml_strout(config.c_default_cal_zone);  client_write("</c_default_cal_zone>\n", 22);
450         cprintf("<c_pftcpdict_port>%d</c_pftcpdict_port>\n", config.c_pftcpdict_port);
451         cprintf("<c_managesieve_port>%d</c_managesieve_port>\n", config.c_managesieve_port);
452         cprintf("<c_auth_mode>%d</c_auth_mode>\n", config.c_auth_mode);
453         client_write("<c_funambol_host>", 17);  xml_strout(config.c_funambol_host);     client_write("</c_funambol_host>\n", 19);
454         cprintf("<c_funambol_port>%d</c_funambol_port>\n", config.c_funambol_port);
455         client_write("<c_funambol_source>", 19);        xml_strout(config.c_funambol_source);   client_write("</c_funambol_source>\n", 21);
456         client_write("<c_funambol_auth>", 17);  xml_strout(config.c_funambol_auth);     client_write("</c_funambol_auth>\n", 19);
457         cprintf("<c_rbl_at_greeting>%d</c_rbl_at_greeting>\n", config.c_rbl_at_greeting);
458         client_write("<c_master_user>", 15);    xml_strout(config.c_master_user);               client_write("</c_master_user>\n", 17);
459         client_write("<c_master_pass>", 15);    xml_strout(config.c_master_pass);               client_write("</c_master_pass>\n", 17);
460         client_write("<c_pager_program>", 17);  xml_strout(config.c_pager_program);             client_write("</c_pager_program>\n", 19);
461         cprintf("<c_imap_keep_from>%d</c_imap_keep_from>\n", config.c_imap_keep_from);
462         cprintf("<c_xmpp_c2s_port>%d</c_xmpp_c2s_port>\n", config.c_xmpp_c2s_port);
463         cprintf("<c_xmpp_s2s_port>%d</c_xmpp_s2s_port>\n", config.c_xmpp_s2s_port);
464         cprintf("<c_pop3_fetch>%ld</c_pop3_fetch>\n", config.c_pop3_fetch);
465         cprintf("<c_pop3_fastest>%ld</c_pop3_fastest>\n", config.c_pop3_fastest);
466         cprintf("<c_spam_flag_only>%d</c_spam_flag_only>\n", config.c_spam_flag_only);
467         client_write("</config>\n", 10);
468         
469         /* Export the control file */
470         get_control();
471         client_write("<control>\n", 10);
472         cprintf("<control_highest>%ld</control_highest>\n", CitControl.MMhighest);
473         cprintf("<control_flags>%u</control_flags>\n", CitControl.MMflags);
474         cprintf("<control_nextuser>%ld</control_nextuser>\n", CitControl.MMnextuser);
475         cprintf("<control_nextroom>%ld</control_nextroom>\n", CitControl.MMnextroom);
476         cprintf("<control_version>%d</control_version>\n", CitControl.version);
477         client_write("</control>\n", 11);
478
479         if (Ctx->kill_me == 0)  migr_export_users();
480         if (Ctx->kill_me == 0)  migr_export_openids();
481         if (Ctx->kill_me == 0)  migr_export_rooms();
482         if (Ctx->kill_me == 0)  migr_export_floors();
483         if (Ctx->kill_me == 0)  migr_export_visits();
484         if (Ctx->kill_me == 0)  migr_export_messages();
485         client_write("</citadel_migrate_data>\n", 24);
486         client_write("000\n", 4);
487         Ctx->dont_term = 0;
488 }
489
490
491
492
493         
494 /*
495  * Here's the code that implements the import side.  It's going to end up being
496  * one big loop with lots of global variables.  I don't care.  You wouldn't run
497  * multiple concurrent imports anyway.  If this offends your delicate sensibilities
498  * then go rewrite it in Ruby on Rails or something.
499  */
500
501
502 int citadel_migrate_data = 0;           /* Are we inside a <citadel_migrate_data> tag pair? */
503 StrBuf *migr_chardata = NULL;
504 StrBuf *migr_MsgData = NULL;
505 struct ctdluser usbuf;
506 struct ctdlroom qrbuf;
507 char openid_url[512];
508 long openid_usernum = 0;
509 char FRname[ROOMNAMELEN];
510 struct floor flbuf;
511 int floornum = 0;
512 visit vbuf;
513 struct MetaData smi;
514 long import_msgnum = 0;
515
516 /*
517  * This callback stores up the data which appears in between tags.
518  */
519 void migr_xml_chardata(void *data, const XML_Char *s, int len)
520 {
521         StrBufAppendBufPlain(migr_chardata, s, len, 0);
522 }
523
524
525 void migr_xml_start(void *data, const char *el, const char **attr) {
526         int i;
527
528         /*** GENERAL STUFF ***/
529
530         /* Reset chardata_len to zero and init buffer */
531         FlushStrBuf(migr_chardata);
532         FlushStrBuf(migr_MsgData);
533
534         if (!strcasecmp(el, "citadel_migrate_data")) {
535                 ++citadel_migrate_data;
536
537                 /* As soon as it looks like the input data is a genuine Citadel XML export,
538                  * whack the existing database on disk to make room for the new one.
539                  */
540                 if (citadel_migrate_data == 1) {
541                         for (i = 0; i < MAXCDB; ++i) {
542                                 cdb_trunc(i);
543                         }
544                 }
545                 return;
546         }
547
548         if (citadel_migrate_data != 1) {
549                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n", el);
550                 return;
551         }
552
553         /* When we begin receiving XML for one of these record types, clear out the associated
554          * buffer so we don't accidentally carry over any data from a previous record.
555          */
556         if (!strcasecmp(el, "user"))                    memset(&usbuf, 0, sizeof (struct ctdluser));
557         else if (!strcasecmp(el, "openid"))             memset(openid_url, 0, sizeof openid_url);
558         else if (!strcasecmp(el, "room"))               memset(&qrbuf, 0, sizeof (struct ctdlroom));
559         else if (!strcasecmp(el, "room_messages"))      memset(FRname, 0, sizeof FRname);
560         else if (!strcasecmp(el, "floor"))              memset(&flbuf, 0, sizeof (struct floor));
561         else if (!strcasecmp(el, "visit"))              memset(&vbuf, 0, sizeof (visit));
562
563         else if (!strcasecmp(el, "message")) {
564                 memset(&smi, 0, sizeof (struct MetaData));
565                 import_msgnum = 0;
566         }
567
568 }
569
570
571 int migr_config(void *data, const char *el)
572 {
573         if (!strcasecmp(el, "c_nodename"))                      SET_CFGSTRBUF(c_nodename, migr_chardata);
574         else if (!strcasecmp(el, "c_fqdn"))                     SET_CFGSTRBUF(c_fqdn, migr_chardata);
575         else if (!strcasecmp(el, "c_humannode"))                SET_CFGSTRBUF(c_humannode, migr_chardata);
576         else if (!strcasecmp(el, "c_phonenum"))                 SET_CFGSTRBUF(c_phonenum, migr_chardata);
577         else if (!strcasecmp(el, "c_ctdluid"))                  config.c_ctdluid = atoi(ChrPtr(migr_chardata));
578         else if (!strcasecmp(el, "c_creataide"))                config.c_creataide = atoi(ChrPtr(migr_chardata));
579         else if (!strcasecmp(el, "c_sleeping"))                 config.c_sleeping = atoi(ChrPtr(migr_chardata));
580         else if (!strcasecmp(el, "c_initax"))                   config.c_initax = atoi(ChrPtr(migr_chardata));
581         else if (!strcasecmp(el, "c_regiscall"))                config.c_regiscall = atoi(ChrPtr(migr_chardata));
582         else if (!strcasecmp(el, "c_twitdetect"))               config.c_twitdetect = atoi(ChrPtr(migr_chardata));
583         else if (!strcasecmp(el, "c_twitroom"))                 SET_CFGSTRBUF(c_twitroom, migr_chardata);
584         else if (!strcasecmp(el, "c_moreprompt"))               SET_CFGSTRBUF(c_moreprompt, migr_chardata);
585         else if (!strcasecmp(el, "c_restrict"))                 config.c_restrict = atoi(ChrPtr(migr_chardata));
586         else if (!strcasecmp(el, "c_site_location"))            SET_CFGSTRBUF(c_site_location, migr_chardata);
587         else if (!strcasecmp(el, "c_sysadm"))                   SET_CFGSTRBUF(c_sysadm, migr_chardata);
588         else if (!strcasecmp(el, "c_maxsessions"))              config.c_maxsessions = atoi(ChrPtr(migr_chardata));
589         else if (!strcasecmp(el, "c_ip_addr"))                  SET_CFGSTRBUF(c_ip_addr, migr_chardata);
590         else if (!strcasecmp(el, "c_port_number"))              config.c_port_number = atoi(ChrPtr(migr_chardata));
591         else if (!strcasecmp(el, "c_ep_expire_mode"))           config.c_ep.expire_mode = atoi(ChrPtr(migr_chardata));
592         else if (!strcasecmp(el, "c_ep_expire_value"))          config.c_ep.expire_value = atoi(ChrPtr(migr_chardata));
593         else if (!strcasecmp(el, "c_userpurge"))                config.c_userpurge = atoi(ChrPtr(migr_chardata));
594         else if (!strcasecmp(el, "c_roompurge"))                config.c_roompurge = atoi(ChrPtr(migr_chardata));
595         else if (!strcasecmp(el, "c_logpages"))                 SET_CFGSTRBUF(c_logpages, migr_chardata);
596         else if (!strcasecmp(el, "c_createax"))                 config.c_createax = atoi(ChrPtr(migr_chardata));
597         else if (!strcasecmp(el, "c_maxmsglen"))                config.c_maxmsglen = atol(ChrPtr(migr_chardata));
598         else if (!strcasecmp(el, "c_min_workers"))              config.c_min_workers = atoi(ChrPtr(migr_chardata));
599         else if (!strcasecmp(el, "c_max_workers"))              config.c_max_workers = atoi(ChrPtr(migr_chardata));
600         else if (!strcasecmp(el, "c_pop3_port"))                config.c_pop3_port = atoi(ChrPtr(migr_chardata));
601         else if (!strcasecmp(el, "c_smtp_port"))                config.c_smtp_port = atoi(ChrPtr(migr_chardata));
602         else if (!strcasecmp(el, "c_rfc822_strict_from"))       config.c_rfc822_strict_from = atoi(ChrPtr(migr_chardata));
603         else if (!strcasecmp(el, "c_aide_zap"))                 config.c_aide_zap = atoi(ChrPtr(migr_chardata));
604         else if (!strcasecmp(el, "c_imap_port"))                config.c_imap_port = atoi(ChrPtr(migr_chardata));
605         else if (!strcasecmp(el, "c_net_freq"))                 config.c_net_freq = atol(ChrPtr(migr_chardata));
606         else if (!strcasecmp(el, "c_disable_newu"))             config.c_disable_newu = atoi(ChrPtr(migr_chardata));
607         else if (!strcasecmp(el, "c_enable_fulltext"))          config.c_enable_fulltext = atoi(ChrPtr(migr_chardata));
608         else if (!strcasecmp(el, "c_baseroom"))                 SET_CFGSTRBUF(c_baseroom, migr_chardata);
609         else if (!strcasecmp(el, "c_aideroom"))                 SET_CFGSTRBUF(c_aideroom, migr_chardata);
610         else if (!strcasecmp(el, "c_purge_hour"))               config.c_purge_hour = atoi(ChrPtr(migr_chardata));
611         else if (!strcasecmp(el, "c_mbxep_expire_mode"))        config.c_mbxep.expire_mode = atoi(ChrPtr(migr_chardata));
612         else if (!strcasecmp(el, "c_mbxep_expire_value"))       config.c_mbxep.expire_value = atoi(ChrPtr(migr_chardata));
613         else if (!strcasecmp(el, "c_ldap_host"))                SET_CFGSTRBUF(c_ldap_host, migr_chardata);
614         else if (!strcasecmp(el, "c_ldap_port"))                config.c_ldap_port = atoi(ChrPtr(migr_chardata));
615         else if (!strcasecmp(el, "c_ldap_base_dn"))             SET_CFGSTRBUF(c_ldap_base_dn, migr_chardata);
616         else if (!strcasecmp(el, "c_ldap_bind_dn"))             SET_CFGSTRBUF(c_ldap_bind_dn, migr_chardata);
617         else if (!strcasecmp(el, "c_ldap_bind_pw"))             SET_CFGSTRBUF(c_ldap_bind_pw, migr_chardata);
618         else if (!strcasecmp(el, "c_msa_port"))                 config.c_msa_port = atoi(ChrPtr(migr_chardata));
619         else if (!strcasecmp(el, "c_imaps_port"))               config.c_imaps_port = atoi(ChrPtr(migr_chardata));
620         else if (!strcasecmp(el, "c_pop3s_port"))               config.c_pop3s_port = atoi(ChrPtr(migr_chardata));
621         else if (!strcasecmp(el, "c_smtps_port"))               config.c_smtps_port = atoi(ChrPtr(migr_chardata));
622         else if (!strcasecmp(el, "c_auto_cull"))                config.c_auto_cull = atoi(ChrPtr(migr_chardata));
623         else if (!strcasecmp(el, "c_allow_spoofing"))           config.c_allow_spoofing = atoi(ChrPtr(migr_chardata));
624         else if (!strcasecmp(el, "c_journal_email"))            config.c_journal_email = atoi(ChrPtr(migr_chardata));
625         else if (!strcasecmp(el, "c_journal_pubmsgs"))          config.c_journal_pubmsgs = atoi(ChrPtr(migr_chardata));
626         else if (!strcasecmp(el, "c_journal_dest"))             SET_CFGSTRBUF(c_journal_dest, migr_chardata);
627         else if (!strcasecmp(el, "c_default_cal_zone"))         SET_CFGSTRBUF(c_default_cal_zone, migr_chardata);
628         else if (!strcasecmp(el, "c_pftcpdict_port"))           config.c_pftcpdict_port = atoi(ChrPtr(migr_chardata));
629         else if (!strcasecmp(el, "c_managesieve_port"))         config.c_managesieve_port = atoi(ChrPtr(migr_chardata));
630         else if (!strcasecmp(el, "c_auth_mode"))                config.c_auth_mode = atoi(ChrPtr(migr_chardata));
631         else if (!strcasecmp(el, "c_funambol_host"))            SET_CFGSTRBUF(c_funambol_host, migr_chardata);
632         else if (!strcasecmp(el, "c_funambol_port"))            config.c_funambol_port = atoi(ChrPtr(migr_chardata));
633         else if (!strcasecmp(el, "c_funambol_source"))          SET_CFGSTRBUF(c_funambol_source, migr_chardata);
634         else if (!strcasecmp(el, "c_funambol_auth"))            SET_CFGSTRBUF(c_funambol_auth, migr_chardata);
635         else if (!strcasecmp(el, "c_rbl_at_greeting"))          config.c_rbl_at_greeting = atoi(ChrPtr(migr_chardata));
636         else if (!strcasecmp(el, "c_master_user"))              SET_CFGSTRBUF(c_master_user, migr_chardata);
637         else if (!strcasecmp(el, "c_master_pass"))              SET_CFGSTRBUF(c_master_pass, migr_chardata);
638         else if (!strcasecmp(el, "c_pager_program"))            SET_CFGSTRBUF(c_pager_program, migr_chardata);
639         else if (!strcasecmp(el, "c_imap_keep_from"))           config.c_imap_keep_from = atoi(ChrPtr(migr_chardata));
640         else if (!strcasecmp(el, "c_xmpp_c2s_port"))            config.c_xmpp_c2s_port = atoi(ChrPtr(migr_chardata));
641         else if (!strcasecmp(el, "c_xmpp_s2s_port"))            config.c_xmpp_s2s_port = atoi(ChrPtr(migr_chardata));
642         else if (!strcasecmp(el, "c_pop3_fetch"))               config.c_pop3_fetch = atol(ChrPtr(migr_chardata));
643         else if (!strcasecmp(el, "c_pop3_fastest"))             config.c_pop3_fastest = atol(ChrPtr(migr_chardata));
644         else if (!strcasecmp(el, "c_spam_flag_only"))           config.c_spam_flag_only = atoi(ChrPtr(migr_chardata));
645         else return 0;
646         return 1; /* Found above...*/
647 }
648
649 int migr_controlrecord(void *data, const char *el)
650 {
651         if (!strcasecmp(el, "control_highest"))         CitControl.MMhighest = atol(ChrPtr(migr_chardata));
652         else if (!strcasecmp(el, "control_flags"))              CitControl.MMflags = atoi(ChrPtr(migr_chardata));
653         else if (!strcasecmp(el, "control_nextuser"))           CitControl.MMnextuser = atol(ChrPtr(migr_chardata));
654         else if (!strcasecmp(el, "control_nextroom"))           CitControl.MMnextroom = atol(ChrPtr(migr_chardata));
655         else if (!strcasecmp(el, "control_version"))            CitControl.version = atoi(ChrPtr(migr_chardata));
656
657         else if (!strcasecmp(el, "control")) {
658                 CitControl.MMfulltext = (-1L);  /* always flush */
659                 put_control();
660                 syslog(LOG_INFO, "Completed import of control record\n");
661         }
662         else return 0;
663         return 1;
664
665 }
666
667
668 int migr_userrecord(void *data, const char *el)
669 {
670         if (!strcasecmp(el, "u_version"))                       usbuf.version = atoi(ChrPtr(migr_chardata));
671         else if (!strcasecmp(el, "u_uid"))                      usbuf.uid = atol(ChrPtr(migr_chardata));
672         else if (!strcasecmp(el, "u_password"))                 safestrncpy(usbuf.password, ChrPtr(migr_chardata), sizeof usbuf.password);
673         else if (!strcasecmp(el, "u_flags"))                    usbuf.flags = atoi(ChrPtr(migr_chardata));
674         else if (!strcasecmp(el, "u_timescalled"))              usbuf.timescalled = atol(ChrPtr(migr_chardata));
675         else if (!strcasecmp(el, "u_posted"))                   usbuf.posted = atol(ChrPtr(migr_chardata));
676         else if (!strcasecmp(el, "u_axlevel"))                  usbuf.axlevel = atoi(ChrPtr(migr_chardata));
677         else if (!strcasecmp(el, "u_usernum"))                  usbuf.usernum = atol(ChrPtr(migr_chardata));
678         else if (!strcasecmp(el, "u_lastcall"))                 usbuf.lastcall = atol(ChrPtr(migr_chardata));
679         else if (!strcasecmp(el, "u_USuserpurge"))              usbuf.USuserpurge = atoi(ChrPtr(migr_chardata));
680         else if (!strcasecmp(el, "u_fullname"))                 safestrncpy(usbuf.fullname, ChrPtr(migr_chardata), sizeof usbuf.fullname);
681         else return 0;
682         return 1;
683 }
684
685 int migr_roomrecord(void *data, const char *el)
686 {
687         if (!strcasecmp(el, "QRname"))                  safestrncpy(qrbuf.QRname, ChrPtr(migr_chardata), sizeof qrbuf.QRname);
688         else if (!strcasecmp(el, "QRpasswd"))                   safestrncpy(qrbuf.QRpasswd, ChrPtr(migr_chardata), sizeof qrbuf.QRpasswd);
689         else if (!strcasecmp(el, "QRroomaide"))                 qrbuf.QRroomaide = atol(ChrPtr(migr_chardata));
690         else if (!strcasecmp(el, "QRhighest"))                  qrbuf.QRhighest = atol(ChrPtr(migr_chardata));
691         else if (!strcasecmp(el, "QRgen"))                      qrbuf.QRgen = atol(ChrPtr(migr_chardata));
692         else if (!strcasecmp(el, "QRflags"))                    qrbuf.QRflags = atoi(ChrPtr(migr_chardata));
693         else if (!strcasecmp(el, "QRdirname"))                  safestrncpy(qrbuf.QRdirname, ChrPtr(migr_chardata), sizeof qrbuf.QRdirname);
694         else if (!strcasecmp(el, "QRinfo"))                     qrbuf.QRinfo = atol(ChrPtr(migr_chardata));
695         else if (!strcasecmp(el, "QRfloor"))                    qrbuf.QRfloor = atoi(ChrPtr(migr_chardata));
696         else if (!strcasecmp(el, "QRmtime"))                    qrbuf.QRmtime = atol(ChrPtr(migr_chardata));
697         else if (!strcasecmp(el, "QRexpire_mode"))              qrbuf.QRep.expire_mode = atoi(ChrPtr(migr_chardata));
698         else if (!strcasecmp(el, "QRexpire_value"))             qrbuf.QRep.expire_value = atoi(ChrPtr(migr_chardata));
699         else if (!strcasecmp(el, "QRnumber"))                   qrbuf.QRnumber = atol(ChrPtr(migr_chardata));
700         else if (!strcasecmp(el, "QRorder"))                    qrbuf.QRorder = atoi(ChrPtr(migr_chardata));
701         else if (!strcasecmp(el, "QRflags2"))                   qrbuf.QRflags2 = atoi(ChrPtr(migr_chardata));
702         else if (!strcasecmp(el, "QRdefaultview"))              qrbuf.QRdefaultview = atoi(ChrPtr(migr_chardata));
703         else return 0;
704         return 1;
705 }
706
707 int migr_floorrecord(void *data, const char *el)
708 {
709         if (!strcasecmp(el, "f_num"))                   floornum = atoi(ChrPtr(migr_chardata));
710         else if (!strcasecmp(el, "f_flags"))                    flbuf.f_flags = atoi(ChrPtr(migr_chardata));
711         else if (!strcasecmp(el, "f_name"))                     safestrncpy(flbuf.f_name, ChrPtr(migr_chardata), sizeof flbuf.f_name);
712         else if (!strcasecmp(el, "f_ref_count"))                flbuf.f_ref_count = atoi(ChrPtr(migr_chardata));
713         else if (!strcasecmp(el, "f_ep_expire_mode"))           flbuf.f_ep.expire_mode = atoi(ChrPtr(migr_chardata));
714         else if (!strcasecmp(el, "f_ep_expire_value"))          flbuf.f_ep.expire_value = atoi(ChrPtr(migr_chardata));
715         else return 0;
716         return 1;
717 }
718
719 int migr_visitrecord(void *data, const char *el)
720 {
721         if (!strcasecmp(el, "v_roomnum"))                       vbuf.v_roomnum = atol(ChrPtr(migr_chardata));
722         else if (!strcasecmp(el, "v_roomgen"))                  vbuf.v_roomgen = atol(ChrPtr(migr_chardata));
723         else if (!strcasecmp(el, "v_usernum"))                  vbuf.v_usernum = atol(ChrPtr(migr_chardata));
724
725         else if (!strcasecmp(el, "v_seen")) {
726                 int is_textual_seen = 0;
727                 int i;
728                 int max = StrLength(migr_chardata);
729
730                 vbuf.v_lastseen = atol(ChrPtr(migr_chardata));
731                 is_textual_seen = 0;
732                 for (i=0; i < max; ++i) 
733                         if (!isdigit(ChrPtr(migr_chardata)[i]))
734                                 is_textual_seen = 1;
735                 if (is_textual_seen)
736                         safestrncpy(vbuf.v_seen, ChrPtr(migr_chardata), sizeof vbuf.v_seen);
737         }
738
739         else if (!strcasecmp(el, "v_answered"))                 safestrncpy(vbuf.v_answered, ChrPtr(migr_chardata), sizeof vbuf.v_answered);
740         else if (!strcasecmp(el, "v_flags"))                    vbuf.v_flags = atoi(ChrPtr(migr_chardata));
741         else if (!strcasecmp(el, "v_view"))                     vbuf.v_view = atoi(ChrPtr(migr_chardata));
742         else return 0;
743         return 1;
744 }
745 void migr_xml_end(void *data, const char *el)
746 {
747         const char *ptr;
748         int msgcount = 0;
749         long msgnum = 0L;
750         long *msglist = NULL;
751         int msglist_alloc = 0;
752         /*** GENERAL STUFF ***/
753
754         if (!strcasecmp(el, "citadel_migrate_data")) {
755                 --citadel_migrate_data;
756                 return;
757         }
758
759         if (citadel_migrate_data != 1) {
760                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n", el);
761                 return;
762         }
763
764         // syslog(LOG_DEBUG, "END TAG: <%s> DATA: <%s>\n", el, (migr_chardata_len ? migr_chardata : ""));
765
766         /*** CONFIG ***/
767
768         if (!strcasecmp(el, "config")) {
769                 config.c_enable_fulltext = 0;   /* always disable */
770                 put_config();
771                 syslog(LOG_INFO, "Completed import of server configuration\n");
772         }
773
774         else if ((!strncasecmp(el, HKEY("c_"))) && 
775                  migr_config(data, el))
776                 ; /* Nothing to do anymore */
777                 
778         /*** CONTROL ***/
779         else if ((!strncasecmp(el, HKEY("control"))) && 
780                  migr_controlrecord(data, el))
781                 ; /* Nothing to do anymore */
782         /*** USER ***/
783         else if ((!strncasecmp(el, HKEY("u_"))) && 
784                  migr_userrecord(data, el))
785                 ; /* Nothing to do anymore */
786         else if (!strcasecmp(el, "user")) {
787                 CtdlPutUser(&usbuf);
788                 syslog(LOG_INFO, "Imported user: %s\n", usbuf.fullname);
789         }
790
791         /*** OPENID ***/
792
793         else if (!strcasecmp(el, "oid_url"))                    safestrncpy(openid_url, ChrPtr(migr_chardata), sizeof openid_url);
794         else if (!strcasecmp(el, "oid_usernum"))                openid_usernum = atol(ChrPtr(migr_chardata));
795
796         else if (!strcasecmp(el, "openid")) {                   /* see serv_openid_rp.c for a description of the record format */
797                 char *oid_data;
798                 int oid_data_len;
799                 oid_data_len = sizeof(long) + strlen(openid_url) + 1;
800                 oid_data = malloc(oid_data_len);
801                 memcpy(oid_data, &openid_usernum, sizeof(long));
802                 memcpy(&oid_data[sizeof(long)], openid_url, strlen(openid_url) + 1);
803                 cdb_store(CDB_OPENID, openid_url, strlen(openid_url), oid_data, oid_data_len);
804                 free(oid_data);
805                 syslog(LOG_INFO, "Imported OpenID: %s (%ld)\n", openid_url, openid_usernum);
806         }
807
808         /*** ROOM ***/
809         else if ((!strncasecmp(el, HKEY("QR"))) && 
810                  migr_roomrecord(data, el))
811                 ; /* Nothing to do anymore */
812         else if (!strcasecmp(el, "room")) {
813                 CtdlPutRoom(&qrbuf);
814                 syslog(LOG_INFO, "Imported room: %s\n", qrbuf.QRname);
815         }
816
817         /*** ROOM MESSAGE POINTERS ***/
818
819         else if (!strcasecmp(el, "FRname"))                     safestrncpy(FRname, ChrPtr(migr_chardata), sizeof FRname);
820
821         else if (!strcasecmp(el, "FRmsglist")) {
822                 if (!IsEmptyStr(FRname)) {
823                         msgcount = 0;
824                         msglist_alloc = 1000;
825                         msglist = malloc(sizeof(long) * msglist_alloc);
826
827                         syslog(LOG_DEBUG, "Message list for: %s\n", FRname);
828
829                         ptr = ChrPtr(migr_chardata);
830                         while (*ptr != 0) {
831                                 while ((*ptr != 0) && (!isdigit(*ptr))) {
832                                         ++ptr;
833                                 }
834                                 if ((*ptr != 0) && (isdigit(*ptr))) {
835                                         msgnum = atol(ptr);
836                                         if (msgnum > 0L) {
837                                                 if (msgcount >= msglist_alloc) {
838                                                         msglist_alloc *= 2;
839                                                         msglist = realloc(msglist, sizeof(long) * msglist_alloc);
840                                                 }
841                                                 msglist[msgcount++] = msgnum;
842                                                 }
843                                         }
844                                         while ((*ptr != 0) && (isdigit(*ptr))) {
845                                                 ++ptr;
846                                         }
847                                 }
848                         }
849                         if (msgcount > 0) {
850                                 CtdlSaveMsgPointersInRoom(FRname, msglist, msgcount, 0, NULL, 1);
851                         }
852                         free(msglist);
853                         msglist = NULL;
854                         msglist_alloc = 0;
855                         syslog(LOG_DEBUG, "Imported %d messages.\n", msgcount);
856                         if (server_shutting_down) {
857                                 return;
858                 }
859         }
860
861         /*** FLOORS ***/
862         else if ((!strncasecmp(el, HKEY("f_"))) && 
863                  migr_floorrecord(data, el))
864                 ; /* Nothing to do anymore */
865
866         else if (!strcasecmp(el, "floor")) {
867                 CtdlPutFloor(&flbuf, floornum);
868                 syslog(LOG_INFO, "Imported floor #%d (%s)\n", floornum, flbuf.f_name);
869         }
870
871         /*** VISITS ***/
872         else if ((!strncasecmp(el, HKEY("v_"))) && 
873                  migr_visitrecord(data, el))
874                 ; /* Nothing to do anymore */
875         else if (!strcasecmp(el, "visit")) {
876                 put_visit(&vbuf);
877                 syslog(LOG_INFO, "Imported visit: %ld/%ld/%ld\n", vbuf.v_roomnum, vbuf.v_roomgen, vbuf.v_usernum);
878         }
879
880         /*** MESSAGES ***/
881         
882         else if (!strcasecmp(el, "msg_msgnum"))                 import_msgnum = atol(ChrPtr(migr_chardata));
883         else if (!strcasecmp(el, "msg_meta_refcount"))          smi.meta_refcount = atoi(ChrPtr(migr_chardata));
884         else if (!strcasecmp(el, "msg_meta_content_type"))      safestrncpy(smi.meta_content_type, ChrPtr(migr_chardata), sizeof smi.meta_content_type);
885
886         else if (!strcasecmp(el, "msg_text"))
887         {
888
889                 FlushStrBuf(migr_MsgData);
890                 StrBufDecodeBase64To(migr_MsgData, migr_MsgData);
891
892                 cdb_store(CDB_MSGMAIN,
893                           &import_msgnum,
894                           sizeof(long),
895                           ChrPtr(migr_MsgData), 
896                           StrLength(migr_MsgData) + 1);
897
898                 smi.meta_msgnum = import_msgnum;
899                 PutMetaData(&smi);
900
901                 syslog(LOG_INFO,
902                        "Imported message #%ld, size=%d, refcount=%d, content-type: %s\n",
903                        import_msgnum,
904                        StrLength(migr_MsgData),
905                        smi.meta_refcount,
906                        smi.meta_content_type);
907         }
908
909         /*** MORE GENERAL STUFF ***/
910
911         FlushStrBuf(migr_chardata);
912 }
913
914
915
916
917 /*
918  * Import begins here
919  */
920 void migr_do_import(void) {
921         StrBuf *Buf;
922         XML_Parser xp;
923         int Finished = 0;
924         
925         unbuffer_output();
926         migr_chardata = NewStrBufPlain(NULL, SIZ * 20);
927         migr_MsgData = NewStrBufPlain(NULL, SIZ * 20);
928         Buf = NewStrBufPlain(NULL, SIZ);
929         xp = XML_ParserCreate(NULL);
930         if (!xp) {
931                 cprintf("%d Failed to create XML parser instance\n", ERROR+INTERNAL_ERROR);
932                 return;
933         }
934         XML_SetElementHandler(xp, migr_xml_start, migr_xml_end);
935         XML_SetCharacterDataHandler(xp, migr_xml_chardata);
936
937         CC->dont_term = 1;
938
939         cprintf("%d sock it to me\n", SEND_LISTING);
940         unbuffer_output();
941
942         client_set_inbound_buf(SIZ * 10);
943
944         while (!Finished && client_read_random_blob(Buf, -1) >= 0) {
945                 if ((StrLength(Buf) > 4) &&
946                     !strcmp(ChrPtr(Buf) + StrLength(Buf) - 4, "000\n"))
947                 {
948                         Finished = 1;
949                         StrBufCutAt(Buf, StrLength(Buf) - 4, NULL);
950                 }
951                 if (server_shutting_down)
952                         break;  // Should we break or return?
953                 
954                 if (StrLength(Buf) == 0)
955                         continue;
956
957                 XML_Parse(xp, ChrPtr(Buf), StrLength(Buf), 0);
958                 FlushStrBuf(Buf);
959         }
960
961         XML_Parse(xp, "", 0, 1);
962         XML_ParserFree(xp);
963         FreeStrBuf(&Buf);
964         FreeStrBuf(&migr_chardata);
965         FreeStrBuf(&migr_MsgData);
966         rebuild_euid_index();
967         rebuild_usersbynumber();
968         CC->dont_term = 0;
969 }
970
971
972
973 /*
974  * Dump out the pathnames of directories which can be copied "as is"
975  */
976 void migr_do_listdirs(void) {
977         cprintf("%d Don't forget these:\n", LISTING_FOLLOWS);
978         cprintf("bio|%s\n",             ctdl_bio_dir);
979         cprintf("files|%s\n",           ctdl_file_dir);
980         cprintf("userpics|%s\n",        ctdl_usrpic_dir);
981         cprintf("messages|%s\n",        ctdl_message_dir);
982         cprintf("netconfigs|%s\n",      ctdl_netcfg_dir);
983         cprintf("keys|%s\n",            ctdl_key_dir);
984         cprintf("images|%s\n",          ctdl_image_dir);
985         cprintf("info|%s\n",            ctdl_info_dir);
986         cprintf("000\n");
987 }
988
989
990 /*
991  * Common code appears in this section
992  */
993
994
995 void cmd_migr(char *cmdbuf) {
996         char cmd[32];
997         
998         if (CtdlAccessCheck(ac_internal)) return;
999         
1000         if (CtdlTrySingleUser())
1001         {
1002                 CtdlMakeTempFileName(migr_tempfilename1, sizeof migr_tempfilename1);
1003                 CtdlMakeTempFileName(migr_tempfilename2, sizeof migr_tempfilename2);
1004
1005                 extract_token(cmd, cmdbuf, 0, '|', sizeof cmd);
1006                 if (!strcasecmp(cmd, "export")) {
1007                         migr_do_export();
1008                 }
1009                 else if (!strcasecmp(cmd, "import")) {
1010                         migr_do_import();
1011                 }
1012                 else if (!strcasecmp(cmd, "listdirs")) {
1013                         migr_do_listdirs();
1014                 }
1015                 else {
1016                         cprintf("%d illegal command\n", ERROR + ILLEGAL_VALUE);
1017                 }
1018
1019                 unlink(migr_tempfilename1);
1020                 unlink(migr_tempfilename2);
1021                 
1022                 CtdlEndSingleUser();
1023         }
1024         else
1025         {
1026                 cprintf("%d The migrator is already running.\n", ERROR + RESOURCE_BUSY);
1027         }
1028 }
1029
1030
1031 CTDL_MODULE_INIT(migrate)
1032 {
1033         if (!threading)
1034         {
1035                 CtdlRegisterProtoHook(cmd_migr, "MIGR", "Across-the-wire migration");
1036                 CtdlRegisterProtoHook(cmd_migr, "ARTV", "Across-the-wire migration (legacy syntax)");
1037         }
1038         
1039         /* return our module name for the log */
1040         return "migrate";
1041 }