07027db060f74c1f702e6682a251607f1f17bde0
[citadel.git] / citadel / modules / migrate / serv_migrate.c
1 /*
2  * $Id$
3  *
4  * Copyright (c) 2000-2009 by the citadel.org development team
5  *
6  * This module dumps and/or loads the Citadel database in XML format.
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 3, or (at your option)
11  * any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
21  * Boston, MA 02110-1301, USA.
22  * 
23  */
24
25 #include "sysdep.h"
26 #include <stdlib.h>
27 #include <unistd.h>
28 #include <stdio.h>
29 #include <fcntl.h>
30 #include <signal.h>
31 #include <pwd.h>
32 #include <errno.h>
33 #include <sys/types.h>
34
35 #if TIME_WITH_SYS_TIME
36 # include <sys/time.h>
37 # include <time.h>
38 #else
39 # if HAVE_SYS_TIME_H
40 #  include <sys/time.h>
41 # else
42 #  include <time.h>
43 # endif
44 #endif
45
46 #include <sys/wait.h>
47 #include <string.h>
48 #include <ctype.h>
49 #include <limits.h>
50 #include <expat.h>
51 #include <libcitadel.h>
52 #include "citadel.h"
53 #include "server.h"
54 #include "citserver.h"
55 #include "support.h"
56 #include "config.h"
57 #include "database.h"
58 #include "msgbase.h"
59 #include "user_ops.h"
60 #include "room_ops.h"
61 #include "control.h"
62 #include "euidindex.h"
63
64
65 #include "ctdl_module.h"
66
67
68
69 #define END_OF_MESSAGE  "---eom---dbd---"
70
71 char migr_tempfilename1[PATH_MAX];
72 char migr_tempfilename2[PATH_MAX];
73 FILE *migr_global_message_list;
74
75
76
77
78 /*
79  * Code which implements the export appears in this section
80  */
81
82
83
84 /*
85  * Output a string to the client with these characters escaped:  & < >
86  */
87 void xml_strout(char *str) {
88
89         char *c = str;
90
91         while (*c != 0) {
92                 if (*c == '&') {
93                         client_write("&amp;", 5);
94                 }
95                 else if (*c == '<') {
96                         client_write("&lt;", 4);
97                 }
98                 else if (*c == '>') {
99                         client_write("&gt;", 4);
100                 }
101                 else {
102                         client_write(c, 1);
103                 }
104                 ++c;
105         }
106 }
107
108
109 /*
110  * Export a user record as XML
111  */
112 void migr_export_users_backend(struct ctdluser *buf, void *data) {
113         client_write("<user>\n", 7);
114         cprintf("<u_version>%d</u_version>\n", buf->version);
115         cprintf("<u_uid>%ld</u_uid>\n", (long)buf->uid);
116         client_write("<u_password>", 12);       xml_strout(buf->password);              client_write("</u_password>\n", 14);
117         cprintf("<u_flags>%u</u_flags>\n", buf->flags);
118         cprintf("<u_timescalled>%ld</u_timescalled>\n", buf->timescalled);
119         cprintf("<u_posted>%ld</u_posted>\n", buf->posted);
120         cprintf("<u_axlevel>%d</u_axlevel>\n", buf->axlevel);
121         cprintf("<u_usernum>%ld</u_usernum>\n", buf->usernum);
122         cprintf("<u_lastcall>%ld</u_lastcall>\n", (long)buf->lastcall);
123         cprintf("<u_USuserpurge>%d</u_USuserpurge>\n", buf->USuserpurge);
124         client_write("<u_fullname>", 12);       xml_strout(buf->fullname);              client_write("</u_fullname>\n", 14);
125         client_write("</user>\n", 8);
126 }
127
128
129 void migr_export_users(void) {
130         ForEachUser(migr_export_users_backend, NULL);
131 }
132
133
134 void migr_export_room_msg(long msgnum, void *userdata) {
135         cprintf("%ld\n", msgnum);
136         fprintf(migr_global_message_list, "%ld\n", msgnum);
137 }
138
139
140 void migr_export_rooms_backend(struct ctdlroom *buf, void *data) {
141         client_write("<room>\n", 7);
142         client_write("<QRname>", 8);    xml_strout(buf->QRname);        client_write("</QRname>\n", 10);
143         client_write("<QRpasswd>", 10); xml_strout(buf->QRpasswd);      client_write("</QRpasswd>\n", 12);
144         cprintf("<QRroomaide>%ld</QRroomaide>\n", buf->QRroomaide);
145         cprintf("<QRhighest>%ld</QRhighest>\n", buf->QRhighest);
146         cprintf("<QRgen>%ld</QRgen>\n", (long)buf->QRgen);
147         cprintf("<QRflags>%u</QRflags>\n", buf->QRflags);
148         client_write("<QRdirname>", 11);        xml_strout(buf->QRdirname);     client_write("</QRdirname>\n", 13);
149         cprintf("<QRinfo>%ld</QRinfo>\n", buf->QRinfo);
150         cprintf("<QRfloor>%d</QRfloor>\n", buf->QRfloor);
151         cprintf("<QRmtime>%ld</QRmtime>\n", (long)buf->QRmtime);
152         cprintf("<QRexpire_mode>%d</QRexpire_mode>\n", buf->QRep.expire_mode);
153         cprintf("<QRexpire_value>%d</QRexpire_value>\n", buf->QRep.expire_value);
154         cprintf("<QRnumber>%ld</QRnumber>\n", buf->QRnumber);
155         cprintf("<QRorder>%d</QRorder>\n", buf->QRorder);
156         cprintf("<QRflags2>%u</QRflags2>\n", buf->QRflags2);
157         cprintf("<QRdefaultview>%d</QRdefaultview>\n", buf->QRdefaultview);
158         client_write("</room>\n", 8);
159
160         /* message list goes inside this tag */
161
162         getroom(&CC->room, buf->QRname);
163         client_write("<room_messages>", 15);
164         client_write("<FRname>", 8);    xml_strout(CC->room.QRname);    client_write("</FRname>\n", 10);
165         client_write("<FRmsglist>", 11);
166         CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, migr_export_room_msg, NULL);
167         client_write("</FRmsglist>\n", 13);
168         client_write("</room_messages>\n", 17);
169
170
171 }
172
173
174 void migr_export_rooms(void) {
175         char cmd[SIZ];
176         migr_global_message_list = fopen(migr_tempfilename1, "w");
177         if (migr_global_message_list != NULL) {
178                 ForEachRoom(migr_export_rooms_backend, NULL);
179                 fclose(migr_global_message_list);
180         }
181
182         /*
183          * Process the 'global' message list.  (Sort it and remove dups.
184          * Dups are ok because a message may be in more than one room, but
185          * this will be handled by exporting the reference count, not by
186          * exporting the message multiple times.)
187          */
188         snprintf(cmd, sizeof cmd, "sort <%s >%s", migr_tempfilename1, migr_tempfilename2);
189         if (system(cmd) != 0) CtdlLogPrintf(CTDL_ALERT, "Error %d\n", errno);
190         snprintf(cmd, sizeof cmd, "uniq <%s >%s", migr_tempfilename2, migr_tempfilename1);
191         if (system(cmd) != 0) CtdlLogPrintf(CTDL_ALERT, "Error %d\n", errno);
192 }
193
194
195 void migr_export_floors(void) {
196         struct floor qfbuf, *buf;
197         int i;
198
199         for (i=0; i < MAXFLOORS; ++i) {
200                 client_write("<floor>\n", 8);
201                 cprintf("<f_num>%d</f_num>\n", i);
202                 getfloor(&qfbuf, i);
203                 buf = &qfbuf;
204                 cprintf("<f_flags>%u</f_flags>\n", buf->f_flags);
205                 client_write("<f_name>", 8); xml_strout(buf->f_name); client_write("</f_name>\n", 10);
206                 cprintf("<f_ref_count>%d</f_ref_count>\n", buf->f_ref_count);
207                 cprintf("<f_ep_expire_mode>%d</f_ep_expire_mode>\n", buf->f_ep.expire_mode);
208                 cprintf("<f_ep_expire_value>%d</f_ep_expire_value>\n", buf->f_ep.expire_value);
209                 client_write("</floor>\n", 9);
210         }
211 }
212
213
214
215 /* 
216  *  Traverse the visits file...
217  */
218 void migr_export_visits(void) {
219         struct visit vbuf;
220         struct cdbdata *cdbv;
221
222         cdb_rewind(CDB_VISIT);
223
224         while (cdbv = cdb_next_item(CDB_VISIT), cdbv != NULL) {
225                 memset(&vbuf, 0, sizeof(struct visit));
226                 memcpy(&vbuf, cdbv->ptr,
227                        ((cdbv->len > sizeof(struct visit)) ?
228                         sizeof(struct visit) : cdbv->len));
229                 cdb_free(cdbv);
230
231                 client_write("<visit>\n", 8);
232                 cprintf("<v_roomnum>%ld</v_roomnum>\n", vbuf.v_roomnum);
233                 cprintf("<v_roomgen>%ld</v_roomgen>\n", vbuf.v_roomgen);
234                 cprintf("<v_usernum>%ld</v_usernum>\n", vbuf.v_usernum);
235
236                 client_write("<v_seen>", 8);
237                 if (!IsEmptyStr(vbuf.v_seen)) {
238                         xml_strout(vbuf.v_seen);
239                 }
240                 else {
241                         cprintf("%ld", vbuf.v_lastseen);
242                 }
243                 client_write("</v_seen>", 9);
244
245                 client_write("<v_answered>", 12); xml_strout(vbuf.v_answered); client_write("</v_answered>\n", 14);
246                 cprintf("<v_flags>%u</v_flags>\n", vbuf.v_flags);
247                 cprintf("<v_view>%d</v_view>\n", vbuf.v_view);
248                 client_write("</visit>\n", 9);
249         }
250 }
251
252
253 void migr_export_message(long msgnum) {
254         struct MetaData smi;
255         struct CtdlMessage *msg;
256         struct ser_ret smr;
257
258         /* We can use a static buffer here because there will never be more than
259          * one of this operation happening at any given time, and it's really best
260          * to just keep it allocated once instead of torturing malloc/free.
261          * Call this function with msgnum "-1" to free the buffer when finished.
262          */
263         static int encoded_alloc = 0;
264         static char *encoded_msg = NULL;
265
266         if (msgnum < 0) {
267                 if ((encoded_alloc == 0) && (encoded_msg != NULL)) {
268                         free(encoded_msg);
269                         encoded_alloc = 0;
270                         encoded_msg = NULL;
271                 }
272                 return;
273         }
274
275         /* Ok, here we go ... */
276
277         msg = CtdlFetchMessage(msgnum, 1);
278         if (msg == NULL) return;        /* fail silently */
279
280         client_write("<message>\n", 10);
281         GetMetaData(&smi, msgnum);
282         cprintf("<msg_msgnum>%ld</msg_msgnum>\n", msgnum);
283         cprintf("<msg_meta_refcount>%d</msg_meta_refcount>\n", smi.meta_refcount);
284         client_write("<msg_meta_content_type>", 23); xml_strout(smi.meta_content_type); client_write("</msg_meta_content_type>\n", 25);
285
286         client_write("<msg_text>", 10);
287         serialize_message(&smr, msg);
288         CtdlFreeMessage(msg);
289
290         /* Predict the buffer size we need.  Expand the buffer if necessary. */
291         int encoded_len = smr.len * 15 / 10 ;
292         if (encoded_len > encoded_alloc) {
293                 encoded_alloc = encoded_len;
294                 encoded_msg = realloc(encoded_msg, encoded_alloc);
295         }
296
297         if (encoded_msg == NULL) {
298                 /* Questionable hack that hopes it'll work next time and we only lose one message */
299                 encoded_alloc = 0;
300         }
301         else {
302                 /* Once we do the encoding we know the exact size */
303                 encoded_len = CtdlEncodeBase64(encoded_msg, (char *)smr.ser, smr.len, 1);
304                 client_write(encoded_msg, encoded_len);
305         }
306
307         free(smr.ser);
308
309         client_write("</msg_text>\n", 12);
310         client_write("</message>\n", 11);
311 }
312
313
314
315 void migr_export_openids(void) {
316         struct cdbdata *cdboi;
317         long usernum;
318         char url[512];
319
320         cdb_rewind(CDB_OPENID);
321         while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
322                 if (cdboi->len > sizeof(long)) {
323                         client_write("<openid>\n", 9);
324                         memcpy(&usernum, cdboi->ptr, sizeof(long));
325                         snprintf(url, sizeof url, "%s", (cdboi->ptr)+sizeof(long) );
326                         client_write("<oid_url>", 9);
327                         xml_strout(url);
328                         client_write("</oid_url>\n", 11);
329                         cprintf("<oid_usernum>%ld</oid_usernum>\n", usernum);
330                         client_write("</openid>\n", 10);
331                 }
332                 cdb_free(cdboi);
333         }
334 }
335
336
337
338
339 void migr_export_messages(void) {
340         char buf[SIZ];
341         long msgnum;
342         int count = 0;
343         t_context *Ctx;
344
345         Ctx = CC;
346         migr_global_message_list = fopen(migr_tempfilename1, "r");
347         if (migr_global_message_list != NULL) {
348                 CtdlLogPrintf(CTDL_INFO, "Opened %s\n", migr_tempfilename1);
349                 while ((Ctx->kill_me != 1) && 
350                        (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
351                         msgnum = atol(buf);
352                         if (msgnum > 0L) {
353                                 migr_export_message(msgnum);
354                                 ++count;
355                         }
356                 }
357                 fclose(migr_global_message_list);
358         }
359         if (Ctx->kill_me != 1)
360                 CtdlLogPrintf(CTDL_INFO, "Exported %d messages.\n", count);
361         else
362                 CtdlLogPrintf(CTDL_ERR, "Export aborted due to client disconnect! \n");
363
364         migr_export_message(-1L);       /* This frees the encoding buffer */
365 }
366
367
368
369 void migr_do_export(void) {
370         struct config *buf;
371         buf = &config;
372         t_context *Ctx;
373
374         Ctx = CC;
375         cprintf("%d Exporting all Citadel databases.\n", LISTING_FOLLOWS);
376         Ctx->dont_term = 1;
377
378         client_write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n", 40);
379         client_write("<citadel_migrate_data>\n", 23);
380         cprintf("<version>%d</version>\n", REV_LEVEL);
381
382         /* export the config file (this is done using x-macros) */
383         client_write("<config>\n", 9);
384         client_write("<c_nodename>", 12);       xml_strout(config.c_nodename);          client_write("</c_nodename>\n", 14);
385         client_write("<c_fqdn>", 8);            xml_strout(config.c_fqdn);              client_write("</c_fqdn>\n", 10);
386         client_write("<c_humannode>", 13);      xml_strout(config.c_humannode);         client_write("</c_humannode>\n", 15);
387         client_write("<c_phonenum>", 12);       xml_strout(config.c_phonenum);          client_write("</c_phonenum>\n", 14);
388         cprintf("<c_ctdluid>%d</c_ctdluid>\n", config.c_ctdluid);
389         cprintf("<c_creataide>%d</c_creataide>\n", config.c_creataide);
390         cprintf("<c_sleeping>%d</c_sleeping>\n", config.c_sleeping);
391         cprintf("<c_initax>%d</c_initax>\n", config.c_initax);
392         cprintf("<c_regiscall>%d</c_regiscall>\n", config.c_regiscall);
393         cprintf("<c_twitdetect>%d</c_twitdetect>\n", config.c_twitdetect);
394         client_write("<c_twitroom>", 12);       xml_strout(config.c_twitroom);          client_write("</c_twitroom>\n", 14);
395         client_write("<c_moreprompt>", 14);     xml_strout(config.c_moreprompt);        client_write("</c_moreprompt>\n", 16);
396         cprintf("<c_restrict>%d</c_restrict>\n", config.c_restrict);
397         client_write("<c_site_location>", 17);  xml_strout(config.c_site_location);     client_write("</c_site_location>\n", 19);
398         client_write("<c_sysadm>", 10);         xml_strout(config.c_sysadm);            client_write("</c_sysadm>\n", 12);
399         cprintf("<c_setup_level>%d</c_setup_level>\n", config.c_setup_level);
400         cprintf("<c_maxsessions>%d</c_maxsessions>\n", config.c_maxsessions);
401         client_write("<c_ip_addr>", 11);        xml_strout(config.c_ip_addr);           client_write("</c_ip_addr>\n", 13);
402         cprintf("<c_port_number>%d</c_port_number>\n", config.c_port_number);
403         cprintf("<c_ep_expire_mode>%d</c_ep_expire_mode>\n", config.c_ep.expire_mode);
404         cprintf("<c_ep_expire_value>%d</c_ep_expire_value>\n", config.c_ep.expire_value);
405         cprintf("<c_userpurge>%d</c_userpurge>\n", config.c_userpurge);
406         cprintf("<c_roompurge>%d</c_roompurge>\n", config.c_roompurge);
407         client_write("<c_logpages>", 12);       xml_strout(config.c_logpages);          client_write("</c_logpages>\n", 14);
408         cprintf("<c_createax>%d</c_createax>\n", config.c_createax);
409         cprintf("<c_maxmsglen>%ld</c_maxmsglen>\n", config.c_maxmsglen);
410         cprintf("<c_min_workers>%d</c_min_workers>\n", config.c_min_workers);
411         cprintf("<c_max_workers>%d</c_max_workers>\n", config.c_max_workers);
412         cprintf("<c_pop3_port>%d</c_pop3_port>\n", config.c_pop3_port);
413         cprintf("<c_smtp_port>%d</c_smtp_port>\n", config.c_smtp_port);
414         cprintf("<c_rfc822_strict_from>%d</c_rfc822_strict_from>\n", config.c_rfc822_strict_from);
415         cprintf("<c_aide_zap>%d</c_aide_zap>\n", config.c_aide_zap);
416         cprintf("<c_imap_port>%d</c_imap_port>\n", config.c_imap_port);
417         cprintf("<c_net_freq>%ld</c_net_freq>\n", config.c_net_freq);
418         cprintf("<c_disable_newu>%d</c_disable_newu>\n", config.c_disable_newu);
419         cprintf("<c_enable_fulltext>%d</c_enable_fulltext>\n", config.c_enable_fulltext);
420         client_write("<c_baseroom>", 12);       xml_strout(config.c_baseroom);          client_write("</c_baseroom>\n", 14);
421         client_write("<c_aideroom>", 12);       xml_strout(config.c_aideroom);          client_write("</c_aideroom>\n", 14);
422         cprintf("<c_purge_hour>%d</c_purge_hour>\n", config.c_purge_hour);
423         cprintf("<c_mbxep_expire_mode>%d</c_mbxep_expire_mode>\n", config.c_mbxep.expire_mode);
424         cprintf("<c_mbxep_expire_value>%d</c_mbxep_expire_value>\n", config.c_mbxep.expire_value);
425         client_write("<c_ldap_host>", 13);      xml_strout(config.c_ldap_host);         client_write("</c_ldap_host>\n", 15);
426         cprintf("<c_ldap_port>%d</c_ldap_port>\n", config.c_ldap_port);
427         client_write("<c_ldap_base_dn>", 16);   xml_strout(config.c_ldap_base_dn);      client_write("</c_ldap_base_dn>\n", 18);
428         client_write("<c_ldap_bind_dn>", 16);   xml_strout(config.c_ldap_bind_dn);      client_write("</c_ldap_bind_dn>\n", 18);
429         client_write("<c_ldap_bind_pw>", 16);   xml_strout(config.c_ldap_bind_pw);      client_write("</c_ldap_bind_pw>\n", 18);
430         cprintf("<c_msa_port>%d</c_msa_port>\n", config.c_msa_port);
431         cprintf("<c_imaps_port>%d</c_imaps_port>\n", config.c_imaps_port);
432         cprintf("<c_pop3s_port>%d</c_pop3s_port>\n", config.c_pop3s_port);
433         cprintf("<c_smtps_port>%d</c_smtps_port>\n", config.c_smtps_port);
434         cprintf("<c_auto_cull>%d</c_auto_cull>\n", config.c_auto_cull);
435         cprintf("<c_instant_expunge>%d</c_instant_expunge>\n", config.c_instant_expunge);
436         cprintf("<c_allow_spoofing>%d</c_allow_spoofing>\n", config.c_allow_spoofing);
437         cprintf("<c_journal_email>%d</c_journal_email>\n", config.c_journal_email);
438         cprintf("<c_journal_pubmsgs>%d</c_journal_pubmsgs>\n", config.c_journal_pubmsgs);
439         client_write("<c_journal_dest>", 16);   xml_strout(config.c_journal_dest);      client_write("</c_journal_dest>\n", 18);
440         client_write("<c_default_cal_zone>", 20);       xml_strout(config.c_default_cal_zone);  client_write("</c_default_cal_zone>\n", 22);
441         cprintf("<c_pftcpdict_port>%d</c_pftcpdict_port>\n", config.c_pftcpdict_port);
442         cprintf("<c_managesieve_port>%d</c_managesieve_port>\n", config.c_managesieve_port);
443         cprintf("<c_auth_mode>%d</c_auth_mode>\n", config.c_auth_mode);
444         client_write("<c_funambol_host>", 17);  xml_strout(config.c_funambol_host);     client_write("</c_funambol_host>\n", 19);
445         cprintf("<c_funambol_port>%d</c_funambol_port>\n", config.c_funambol_port);
446         client_write("<c_funambol_source>", 19);        xml_strout(config.c_funambol_source);   client_write("</c_funambol_source>\n", 21);
447         client_write("<c_funambol_auth>", 17);  xml_strout(config.c_funambol_auth);     client_write("</c_funambol_auth>\n", 19);
448         cprintf("<c_rbl_at_greeting>%d</c_rbl_at_greeting>\n", config.c_rbl_at_greeting);
449         client_write("<c_master_user>", 15);    xml_strout(config.c_master_user);               client_write("</c_master_user>\n", 17);
450         client_write("<c_master_pass>", 15);    xml_strout(config.c_master_pass);               client_write("</c_master_pass>\n", 17);
451         client_write("<c_pager_program>", 17);  xml_strout(config.c_pager_program);             client_write("</c_pager_program>\n", 19);
452         cprintf("<c_imap_keep_from>%d</c_imap_keep_from>\n", config.c_imap_keep_from);
453         cprintf("<c_xmpp_c2s_port>%d</c_xmpp_c2s_port>\n", config.c_xmpp_c2s_port);
454         cprintf("<c_xmpp_s2s_port>%d</c_xmpp_s2s_port>\n", config.c_xmpp_s2s_port);
455         cprintf("<c_pop3_fetch>%ld</c_pop3_fetch>\n", config.c_pop3_fetch);
456         cprintf("<c_pop3_fastest>%ld</c_pop3_fastest>\n", config.c_pop3_fastest);
457         cprintf("<c_spam_flag_only>%d</c_spam_flag_only>\n", config.c_spam_flag_only);
458         client_write("</config>\n", 10);
459         
460         /* Export the control file */
461         get_control();
462         client_write("<control>\n", 10);
463         cprintf("<control_highest>%ld</control_highest>\n", CitControl.MMhighest);
464         cprintf("<control_flags>%u</control_flags>\n", CitControl.MMflags);
465         cprintf("<control_nextuser>%ld</control_nextuser>\n", CitControl.MMnextuser);
466         cprintf("<control_nextroom>%ld</control_nextroom>\n", CitControl.MMnextroom);
467         cprintf("<control_version>%d</control_version>\n", CitControl.version);
468         client_write("</control>\n", 11);
469
470         if (Ctx->kill_me != 1)  migr_export_users();
471         if (Ctx->kill_me != 1)  migr_export_openids();
472         if (Ctx->kill_me != 1)  migr_export_rooms();
473         if (Ctx->kill_me != 1)  migr_export_floors();
474         if (Ctx->kill_me != 1)  migr_export_visits();
475         if (Ctx->kill_me != 1)  migr_export_messages();
476         client_write("</citadel_migrate_data>\n", 24);
477         client_write("000\n", 4);
478         Ctx->dont_term = 0;
479 }
480
481
482
483
484         
485 /*
486  * Here's the code that implements the import side.  It's going to end up being
487  * one big loop with lots of global variables.  I don't care.  You wouldn't run
488  * multiple concurrent imports anyway.  If this offends your delicate sensibilities
489  * then go rewrite it in Ruby on Rails or something.
490  */
491
492
493 int citadel_migrate_data = 0;           /* Are we inside a <citadel_migrate_data> tag pair? */
494 char *migr_chardata = NULL;
495 int migr_chardata_len = 0;
496 struct ctdluser usbuf;
497 struct ctdlroom qrbuf;
498 char openid_url[512];
499 long openid_usernum = 0;
500 char FRname[ROOMNAMELEN];
501 struct floor flbuf;
502 int floornum = 0;
503 struct visit vbuf;
504 struct MetaData smi;
505 long import_msgnum = 0;
506 char *decoded_msg = NULL;
507
508 /*
509  * This callback stores up the data which appears in between tags.
510  */
511 void migr_xml_chardata(void *data, const XML_Char *s, int len) {
512         int old_len;
513         int new_len;
514         char *new_buffer;
515
516         old_len = migr_chardata_len;
517         new_len = old_len + len;
518         new_buffer = realloc(migr_chardata, new_len + 1);
519         if (new_buffer != NULL) {
520                 memcpy(&new_buffer[old_len], s, len);
521                 new_buffer[new_len] = 0;
522                 migr_chardata = new_buffer;
523                 migr_chardata_len = new_len;
524         }
525 }
526
527
528 void migr_xml_start(void *data, const char *el, const char **attr) {
529         int i;
530
531         /*** GENERAL STUFF ***/
532
533         /* Throw away any existing chardata */
534         if (migr_chardata != NULL) {
535                 free(migr_chardata);
536                 migr_chardata = NULL;
537                 migr_chardata_len = 0;
538         }
539
540         if (!strcasecmp(el, "citadel_migrate_data")) {
541                 ++citadel_migrate_data;
542
543                 /* As soon as it looks like the input data is a genuine Citadel XML export,
544                  * whack the existing database on disk to make room for the new one.
545                  */
546                 if (citadel_migrate_data == 1) {
547                         for (i = 0; i < MAXCDB; ++i) {
548                                 cdb_trunc(i);
549                         }
550                 }
551                 return;
552         }
553
554         if (citadel_migrate_data != 1) {
555                 CtdlLogPrintf(CTDL_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n");
556                 return;
557         }
558
559         /* When we begin receiving XML for one of these record types, clear out the associated
560          * buffer so we don't accidentally carry over any data from a previous record.
561          */
562         if (!strcasecmp(el, "user"))                    memset(&usbuf, 0, sizeof (struct ctdluser));
563         else if (!strcasecmp(el, "openid"))             memset(openid_url, 0, sizeof openid_url);
564         else if (!strcasecmp(el, "room"))               memset(&qrbuf, 0, sizeof (struct ctdlroom));
565         else if (!strcasecmp(el, "room_messages"))      memset(FRname, 0, sizeof FRname);
566         else if (!strcasecmp(el, "floor"))              memset(&flbuf, 0, sizeof (struct floor));
567         else if (!strcasecmp(el, "visit"))              memset(&vbuf, 0, sizeof (struct visit));
568
569         else if (!strcasecmp(el, "message")) {
570                 memset(&smi, 0, sizeof (struct MetaData));
571                 import_msgnum = 0;
572                 if (decoded_msg != NULL) {
573                         free(decoded_msg);
574                         decoded_msg = NULL;
575                 }
576         }
577
578 }
579
580
581 void migr_xml_end(void *data, const char *el, const char **attr) {
582         char *ptr;
583         int msgcount = 0;
584         long msgnum = 0L;
585         long *msglist = NULL;
586         int msglist_alloc = 0;
587         int i;
588         int is_textual_seen = 0;
589         long msglen;
590         int len;
591
592         /*** GENERAL STUFF ***/
593
594         if (!strcasecmp(el, "citadel_migrate_data")) {
595                 --citadel_migrate_data;
596                 return;
597         }
598
599         if (citadel_migrate_data != 1) {
600                 CtdlLogPrintf(CTDL_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n");
601                 return;
602         }
603
604         if (migr_chardata == NULL) {            /* If NULL chardata, substitute an empty string instead. */
605                 migr_chardata = strdup("");
606                 migr_chardata_len = 0;
607         }
608
609         // CtdlLogPrintf(CTDL_DEBUG, "END TAG: <%s> DATA: <%s>\n", el, (migr_chardata_len ? migr_chardata : ""));
610
611         /*** CONFIG ***/
612
613         if (!strcasecmp(el, "config")) {
614                 config.c_enable_fulltext = 0;   /* always disable */
615                 put_config();
616                 CtdlLogPrintf(CTDL_INFO, "Completed import of server configuration\n");
617         }
618
619         else if (!strcasecmp(el, "c_nodename"))                 safestrncpy(config.c_nodename, migr_chardata, sizeof config.c_nodename);
620         else if (!strcasecmp(el, "c_fqdn"))                     safestrncpy(config.c_fqdn, migr_chardata, sizeof config.c_fqdn);
621         else if (!strcasecmp(el, "c_humannode"))                safestrncpy(config.c_humannode, migr_chardata, sizeof config.c_humannode);
622         else if (!strcasecmp(el, "c_phonenum"))                 safestrncpy(config.c_phonenum, migr_chardata, sizeof config.c_phonenum);
623         else if (!strcasecmp(el, "c_ctdluid"))                  config.c_ctdluid = atoi(migr_chardata);
624         else if (!strcasecmp(el, "c_creataide"))                config.c_creataide = atoi(migr_chardata);
625         else if (!strcasecmp(el, "c_sleeping"))                 config.c_sleeping = atoi(migr_chardata);
626         else if (!strcasecmp(el, "c_initax"))                   config.c_initax = atoi(migr_chardata);
627         else if (!strcasecmp(el, "c_regiscall"))                config.c_regiscall = atoi(migr_chardata);
628         else if (!strcasecmp(el, "c_twitdetect"))               config.c_twitdetect = atoi(migr_chardata);
629         else if (!strcasecmp(el, "c_twitroom"))                 safestrncpy(config.c_twitroom, migr_chardata, sizeof config.c_twitroom);
630         else if (!strcasecmp(el, "c_moreprompt"))               safestrncpy(config.c_moreprompt, migr_chardata, sizeof config.c_moreprompt);
631         else if (!strcasecmp(el, "c_restrict"))                 config.c_restrict = atoi(migr_chardata);
632         else if (!strcasecmp(el, "c_site_location"))            safestrncpy(config.c_site_location, migr_chardata, sizeof config.c_site_location);
633         else if (!strcasecmp(el, "c_sysadm"))                   safestrncpy(config.c_sysadm, migr_chardata, sizeof config.c_sysadm);
634         else if (!strcasecmp(el, "c_setup_level"))              config.c_setup_level = atoi(migr_chardata);
635         else if (!strcasecmp(el, "c_maxsessions"))              config.c_maxsessions = atoi(migr_chardata);
636         else if (!strcasecmp(el, "c_ip_addr"))                  safestrncpy(config.c_ip_addr, migr_chardata, sizeof config.c_ip_addr);
637         else if (!strcasecmp(el, "c_port_number"))              config.c_port_number = atoi(migr_chardata);
638         else if (!strcasecmp(el, "c_ep_expire_mode"))           config.c_ep.expire_mode = atoi(migr_chardata);
639         else if (!strcasecmp(el, "c_ep_expire_value"))          config.c_ep.expire_value = atoi(migr_chardata);
640         else if (!strcasecmp(el, "c_userpurge"))                config.c_userpurge = atoi(migr_chardata);
641         else if (!strcasecmp(el, "c_roompurge"))                config.c_roompurge = atoi(migr_chardata);
642         else if (!strcasecmp(el, "c_logpages"))                 safestrncpy(config.c_logpages, migr_chardata, sizeof config.c_logpages);
643         else if (!strcasecmp(el, "c_createax"))                 config.c_createax = atoi(migr_chardata);
644         else if (!strcasecmp(el, "c_maxmsglen"))                config.c_maxmsglen = atol(migr_chardata);
645         else if (!strcasecmp(el, "c_min_workers"))              config.c_min_workers = atoi(migr_chardata);
646         else if (!strcasecmp(el, "c_max_workers"))              config.c_max_workers = atoi(migr_chardata);
647         else if (!strcasecmp(el, "c_pop3_port"))                config.c_pop3_port = atoi(migr_chardata);
648         else if (!strcasecmp(el, "c_smtp_port"))                config.c_smtp_port = atoi(migr_chardata);
649         else if (!strcasecmp(el, "c_rfc822_strict_from"))       config.c_rfc822_strict_from = atoi(migr_chardata);
650         else if (!strcasecmp(el, "c_aide_zap"))                 config.c_aide_zap = atoi(migr_chardata);
651         else if (!strcasecmp(el, "c_imap_port"))                config.c_imap_port = atoi(migr_chardata);
652         else if (!strcasecmp(el, "c_net_freq"))                 config.c_net_freq = atol(migr_chardata);
653         else if (!strcasecmp(el, "c_disable_newu"))             config.c_disable_newu = atoi(migr_chardata);
654         else if (!strcasecmp(el, "c_enable_fulltext"))          config.c_enable_fulltext = atoi(migr_chardata);
655         else if (!strcasecmp(el, "c_baseroom"))                 safestrncpy(config.c_baseroom, migr_chardata, sizeof config.c_baseroom);
656         else if (!strcasecmp(el, "c_aideroom"))                 safestrncpy(config.c_aideroom, migr_chardata, sizeof config.c_aideroom);
657         else if (!strcasecmp(el, "c_purge_hour"))               config.c_purge_hour = atoi(migr_chardata);
658         else if (!strcasecmp(el, "c_mbxep_expire_mode"))        config.c_mbxep.expire_mode = atoi(migr_chardata);
659         else if (!strcasecmp(el, "c_mbxep_expire_value"))       config.c_mbxep.expire_value = atoi(migr_chardata);
660         else if (!strcasecmp(el, "c_ldap_host"))                safestrncpy(config.c_ldap_host, migr_chardata, sizeof config.c_ldap_host);
661         else if (!strcasecmp(el, "c_ldap_port"))                config.c_ldap_port = atoi(migr_chardata);
662         else if (!strcasecmp(el, "c_ldap_base_dn"))             safestrncpy(config.c_ldap_base_dn, migr_chardata, sizeof config.c_ldap_base_dn);
663         else if (!strcasecmp(el, "c_ldap_bind_dn"))             safestrncpy(config.c_ldap_bind_dn, migr_chardata, sizeof config.c_ldap_bind_dn);
664         else if (!strcasecmp(el, "c_ldap_bind_pw"))             safestrncpy(config.c_ldap_bind_pw, migr_chardata, sizeof config.c_ldap_bind_pw);
665         else if (!strcasecmp(el, "c_msa_port"))                 config.c_msa_port = atoi(migr_chardata);
666         else if (!strcasecmp(el, "c_imaps_port"))               config.c_imaps_port = atoi(migr_chardata);
667         else if (!strcasecmp(el, "c_pop3s_port"))               config.c_pop3s_port = atoi(migr_chardata);
668         else if (!strcasecmp(el, "c_smtps_port"))               config.c_smtps_port = atoi(migr_chardata);
669         else if (!strcasecmp(el, "c_auto_cull"))                config.c_auto_cull = atoi(migr_chardata);
670         else if (!strcasecmp(el, "c_instant_expunge"))          config.c_instant_expunge = atoi(migr_chardata);
671         else if (!strcasecmp(el, "c_allow_spoofing"))           config.c_allow_spoofing = atoi(migr_chardata);
672         else if (!strcasecmp(el, "c_journal_email"))            config.c_journal_email = atoi(migr_chardata);
673         else if (!strcasecmp(el, "c_journal_pubmsgs"))          config.c_journal_pubmsgs = atoi(migr_chardata);
674         else if (!strcasecmp(el, "c_journal_dest"))             safestrncpy(config.c_journal_dest, migr_chardata, sizeof config.c_journal_dest);
675         else if (!strcasecmp(el, "c_default_cal_zone"))         safestrncpy(config.c_default_cal_zone, migr_chardata, sizeof config.c_default_cal_zone);
676         else if (!strcasecmp(el, "c_pftcpdict_port"))           config.c_pftcpdict_port = atoi(migr_chardata);
677         else if (!strcasecmp(el, "c_managesieve_port"))         config.c_managesieve_port = atoi(migr_chardata);
678         else if (!strcasecmp(el, "c_auth_mode"))                config.c_auth_mode = atoi(migr_chardata);
679         else if (!strcasecmp(el, "c_funambol_host"))            safestrncpy(config.c_funambol_host, migr_chardata, sizeof config.c_funambol_host);
680         else if (!strcasecmp(el, "c_funambol_port"))            config.c_funambol_port = atoi(migr_chardata);
681         else if (!strcasecmp(el, "c_funambol_source"))          safestrncpy(config.c_funambol_source, migr_chardata, sizeof config.c_funambol_source);
682         else if (!strcasecmp(el, "c_funambol_auth"))            safestrncpy(config.c_funambol_auth, migr_chardata, sizeof config.c_funambol_auth);
683         else if (!strcasecmp(el, "c_rbl_at_greeting"))          config.c_rbl_at_greeting = atoi(migr_chardata);
684         else if (!strcasecmp(el, "c_master_user"))              safestrncpy(config.c_master_user, migr_chardata, sizeof config.c_master_user);
685         else if (!strcasecmp(el, "c_master_pass"))              safestrncpy(config.c_master_pass, migr_chardata, sizeof config.c_master_pass);
686         else if (!strcasecmp(el, "c_pager_program"))            safestrncpy(config.c_pager_program, migr_chardata, sizeof config.c_pager_program);
687         else if (!strcasecmp(el, "c_imap_keep_from"))           config.c_imap_keep_from = atoi(migr_chardata);
688         else if (!strcasecmp(el, "c_xmpp_c2s_port"))            config.c_xmpp_c2s_port = atoi(migr_chardata);
689         else if (!strcasecmp(el, "c_xmpp_s2s_port"))            config.c_xmpp_s2s_port = atoi(migr_chardata);
690         else if (!strcasecmp(el, "c_pop3_fetch"))               config.c_pop3_fetch = atol(migr_chardata);
691         else if (!strcasecmp(el, "c_pop3_fastest"))             config.c_pop3_fastest = atol(migr_chardata);
692         else if (!strcasecmp(el, "c_spam_flag_only"))           config.c_spam_flag_only = atoi(migr_chardata);
693
694         /*** CONTROL ***/
695
696         else if (!strcasecmp(el, "control_highest"))            CitControl.MMhighest = atol(migr_chardata);
697         else if (!strcasecmp(el, "control_flags"))              CitControl.MMflags = atoi(migr_chardata);
698         else if (!strcasecmp(el, "control_nextuser"))           CitControl.MMnextuser = atol(migr_chardata);
699         else if (!strcasecmp(el, "control_nextroom"))           CitControl.MMnextroom = atol(migr_chardata);
700         else if (!strcasecmp(el, "control_version"))            CitControl.version = atoi(migr_chardata);
701
702         else if (!strcasecmp(el, "control")) {
703                 CitControl.MMfulltext = (-1L);  /* always flush */
704                 put_control();
705                 CtdlLogPrintf(CTDL_INFO, "Completed import of control record\n");
706         }
707
708         /*** USER ***/
709
710         else if (!strcasecmp(el, "u_version"))                  usbuf.version = atoi(migr_chardata);
711         else if (!strcasecmp(el, "u_uid"))                      usbuf.uid = atol(migr_chardata);
712         else if (!strcasecmp(el, "u_password"))                 safestrncpy(usbuf.password, migr_chardata, sizeof usbuf.password);
713         else if (!strcasecmp(el, "u_flags"))                    usbuf.flags = atoi(migr_chardata);
714         else if (!strcasecmp(el, "u_timescalled"))              usbuf.timescalled = atol(migr_chardata);
715         else if (!strcasecmp(el, "u_posted"))                   usbuf.posted = atol(migr_chardata);
716         else if (!strcasecmp(el, "u_axlevel"))                  usbuf.axlevel = atoi(migr_chardata);
717         else if (!strcasecmp(el, "u_usernum"))                  usbuf.usernum = atol(migr_chardata);
718         else if (!strcasecmp(el, "u_lastcall"))                 usbuf.lastcall = atol(migr_chardata);
719         else if (!strcasecmp(el, "u_USuserpurge"))              usbuf.USuserpurge = atoi(migr_chardata);
720         else if (!strcasecmp(el, "u_fullname"))                 safestrncpy(usbuf.fullname, migr_chardata, sizeof usbuf.fullname);
721
722         else if (!strcasecmp(el, "user")) {
723                 putuser(&usbuf);
724                 CtdlLogPrintf(CTDL_INFO, "Imported user: %s\n", usbuf.fullname);
725         }
726
727         /*** OPENID ***/
728
729         else if (!strcasecmp(el, "oid_url"))                    safestrncpy(openid_url, migr_chardata, sizeof openid_url);
730         else if (!strcasecmp(el, "oid_usernum"))                openid_usernum = atol(migr_chardata);
731
732         else if (!strcasecmp(el, "openid")) {                   /* see serv_openid_rp.c for a description of the record format */
733                 char *oid_data;
734                 int oid_data_len;
735                 oid_data_len = sizeof(long) + strlen(openid_url) + 1;
736                 oid_data = malloc(oid_data_len);
737                 memcpy(oid_data, &openid_usernum, sizeof(long));
738                 memcpy(&oid_data[sizeof(long)], openid_url, strlen(openid_url) + 1);
739                 cdb_store(CDB_OPENID, openid_url, strlen(openid_url), oid_data, oid_data_len);
740                 free(oid_data);
741                 CtdlLogPrintf(CTDL_INFO, "Imported OpenID: %s (%ld)\n", openid_url, openid_usernum);
742         }
743
744         /*** ROOM ***/
745
746         else if (!strcasecmp(el, "QRname"))                     safestrncpy(qrbuf.QRname, migr_chardata, sizeof qrbuf.QRname);
747         else if (!strcasecmp(el, "QRpasswd"))                   safestrncpy(qrbuf.QRpasswd, migr_chardata, sizeof qrbuf.QRpasswd);
748         else if (!strcasecmp(el, "QRroomaide"))                 qrbuf.QRroomaide = atol(migr_chardata);
749         else if (!strcasecmp(el, "QRhighest"))                  qrbuf.QRhighest = atol(migr_chardata);
750         else if (!strcasecmp(el, "QRgen"))                      qrbuf.QRgen = atol(migr_chardata);
751         else if (!strcasecmp(el, "QRflags"))                    qrbuf.QRflags = atoi(migr_chardata);
752         else if (!strcasecmp(el, "QRdirname"))                  safestrncpy(qrbuf.QRdirname, migr_chardata, sizeof qrbuf.QRdirname);
753         else if (!strcasecmp(el, "QRinfo"))                     qrbuf.QRinfo = atol(migr_chardata);
754         else if (!strcasecmp(el, "QRfloor"))                    qrbuf.QRfloor = atoi(migr_chardata);
755         else if (!strcasecmp(el, "QRmtime"))                    qrbuf.QRmtime = atol(migr_chardata);
756         else if (!strcasecmp(el, "QRexpire_mode"))              qrbuf.QRep.expire_mode = atoi(migr_chardata);
757         else if (!strcasecmp(el, "QRexpire_value"))             qrbuf.QRep.expire_value = atoi(migr_chardata);
758         else if (!strcasecmp(el, "QRnumber"))                   qrbuf.QRnumber = atol(migr_chardata);
759         else if (!strcasecmp(el, "QRorder"))                    qrbuf.QRorder = atoi(migr_chardata);
760         else if (!strcasecmp(el, "QRflags2"))                   qrbuf.QRflags2 = atoi(migr_chardata);
761         else if (!strcasecmp(el, "QRdefaultview"))              qrbuf.QRdefaultview = atoi(migr_chardata);
762
763         else if (!strcasecmp(el, "room")) {
764                 putroom(&qrbuf);
765                 CtdlLogPrintf(CTDL_INFO, "Imported room: %s\n", qrbuf.QRname);
766         }
767
768         /*** ROOM MESSAGE POINTERS ***/
769
770         else if (!strcasecmp(el, "FRname"))                     safestrncpy(FRname, migr_chardata, sizeof FRname);
771
772         else if (!strcasecmp(el, "FRmsglist")) {
773                 if (!IsEmptyStr(FRname)) {
774                         msgcount = 0;
775                         msglist_alloc = 1000;
776                         msglist = malloc(sizeof(long) * msglist_alloc);
777
778                         CtdlLogPrintf(CTDL_DEBUG, "Message list for: %s\n", FRname);
779
780                         ptr = migr_chardata;
781                         while (*ptr != 0) {
782                                 while ((*ptr != 0) && (!isdigit(*ptr))) {
783                                         ++ptr;
784                                 }
785                                 if ((*ptr != 0) && (isdigit(*ptr))) {
786                                         msgnum = atol(ptr);
787                                         if (msgnum > 0L) {
788                                                 if (msgcount >= msglist_alloc) {
789                                                         msglist_alloc *= 2;
790                                                         msglist = realloc(msglist, sizeof(long) * msglist_alloc);
791                                                 }
792                                                 msglist[msgcount++] = msgnum;
793                                                 }
794                                         }
795                                         while ((*ptr != 0) && (isdigit(*ptr))) {
796                                                 ++ptr;
797                                         }
798                                 }
799                         }
800                         if (msgcount > 0) {
801                                 CtdlSaveMsgPointersInRoom(FRname, msglist, msgcount, 0, NULL);
802                         }
803                         free(msglist);
804                         msglist = NULL;
805                         msglist_alloc = 0;
806                         CtdlLogPrintf(CTDL_DEBUG, "Imported %d messages.\n", msgcount);
807                         if (CtdlThreadCheckStop()) {
808                                 return;
809                 }
810         }
811
812         /*** FLOORS ***/
813
814         else if (!strcasecmp(el, "f_num"))                      floornum = atoi(migr_chardata);
815         else if (!strcasecmp(el, "f_flags"))                    flbuf.f_flags = atoi(migr_chardata);
816         else if (!strcasecmp(el, "f_name"))                     safestrncpy(flbuf.f_name, migr_chardata, sizeof flbuf.f_name);
817         else if (!strcasecmp(el, "f_ref_count"))                flbuf.f_ref_count = atoi(migr_chardata);
818         else if (!strcasecmp(el, "f_ep_expire_mode"))           flbuf.f_ep.expire_mode = atoi(migr_chardata);
819         else if (!strcasecmp(el, "f_ep_expire_value"))          flbuf.f_ep.expire_value = atoi(migr_chardata);
820
821         else if (!strcasecmp(el, "floor")) {
822                 putfloor(&flbuf, floornum);
823                 CtdlLogPrintf(CTDL_INFO, "Imported floor #%d (%s)\n", floornum, flbuf.f_name);
824         }
825
826         /*** VISITS ***/
827
828         else if (!strcasecmp(el, "v_roomnum"))                  vbuf.v_roomnum = atol(migr_chardata);
829         else if (!strcasecmp(el, "v_roomgen"))                  vbuf.v_roomgen = atol(migr_chardata);
830         else if (!strcasecmp(el, "v_usernum"))                  vbuf.v_usernum = atol(migr_chardata);
831
832         else if (!strcasecmp(el, "v_seen")) {
833                 vbuf.v_lastseen = atol(migr_chardata);
834                 is_textual_seen = 0;
835                 for (i=0; migr_chardata[i]; ++i) if (!isdigit(migr_chardata[i])) is_textual_seen = 1;
836                 if (is_textual_seen)                            safestrncpy(vbuf.v_seen, migr_chardata, sizeof vbuf.v_seen);
837         }
838
839         else if (!strcasecmp(el, "v_answered"))                 safestrncpy(vbuf.v_answered, migr_chardata, sizeof vbuf.v_answered);
840         else if (!strcasecmp(el, "v_flags"))                    vbuf.v_flags = atoi(migr_chardata);
841         else if (!strcasecmp(el, "v_view"))                     vbuf.v_view = atoi(migr_chardata);
842
843         else if (!strcasecmp(el, "visit")) {
844                 put_visit(&vbuf);
845                 CtdlLogPrintf(CTDL_INFO, "Imported visit: %ld/%ld/%ld\n", vbuf.v_roomnum, vbuf.v_roomgen, vbuf.v_usernum);
846         }
847
848         /*** MESSAGES ***/
849
850         else if (!strcasecmp(el, "msg_msgnum"))                 import_msgnum = atol(migr_chardata);
851         else if (!strcasecmp(el, "msg_meta_refcount"))          smi.meta_refcount = atoi(migr_chardata);
852         else if (!strcasecmp(el, "msg_meta_content_type"))      safestrncpy(smi.meta_content_type, migr_chardata, sizeof smi.meta_content_type);
853
854         else if (!strcasecmp(el, "msg_text")) {
855                 if (decoded_msg != NULL) {
856                         free(decoded_msg);
857                 }
858                 len = strlen(migr_chardata);
859                 decoded_msg = malloc(len);
860                 msglen = CtdlDecodeBase64(decoded_msg, migr_chardata, len);
861                 cdb_store(CDB_MSGMAIN, &import_msgnum, sizeof(long), decoded_msg, msglen);
862                 free(decoded_msg);
863                 decoded_msg = NULL;
864                 PutMetaData(&smi);
865                 CtdlLogPrintf(CTDL_INFO, "Imported message #%ld, size=%ld, refcount=%d, content-type: %s\n",
866                         import_msgnum, msglen, smi.meta_refcount, smi.meta_content_type);
867         }
868
869         /*** MORE GENERAL STUFF ***/
870
871         if (migr_chardata != NULL) {
872                 free(migr_chardata);
873                 migr_chardata = NULL;
874                 migr_chardata_len = 0;
875         }
876 }
877
878
879
880
881 /*
882  * Import begins here
883  */
884 void migr_do_import(void) {
885         char buf[SIZ];
886         XML_Parser xp;
887         int linelen;
888         
889         unbuffer_output();
890
891         xp = XML_ParserCreate(NULL);
892         if (!xp) {
893                 cprintf("%d Failed to create XML parser instance\n", ERROR+INTERNAL_ERROR);
894                 return;
895         }
896         XML_SetElementHandler(xp, migr_xml_start, migr_xml_end);
897         XML_SetCharacterDataHandler(xp, migr_xml_chardata);
898
899         CC->dont_term = 1;
900
901         cprintf("%d sock it to me\n", SEND_LISTING);
902         unbuffer_output();
903
904         while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
905                 linelen = strlen(buf);
906                 strcpy(&buf[linelen++], "\n");
907
908                 if (CtdlThreadCheckStop())
909                         break;  // Should we break or return?
910                 
911                 if (buf[0] == '\0')
912                         continue;
913
914                 XML_Parse(xp, buf, linelen, 0);
915         }
916
917         XML_Parse(xp, "", 0, 1);
918         XML_ParserFree(xp);
919         
920         rebuild_euid_index();
921         rebuild_usersbynumber();
922         CC->dont_term = 0;
923 }
924
925
926
927 /*
928  * Dump out the pathnames of directories which can be copied "as is"
929  */
930 void migr_do_listdirs(void) {
931         cprintf("%d Don't forget these:\n", LISTING_FOLLOWS);
932         cprintf("bio|%s\n",             ctdl_bio_dir);
933         cprintf("files|%s\n",           ctdl_file_dir);
934         cprintf("userpics|%s\n",        ctdl_usrpic_dir);
935         cprintf("messages|%s\n",        ctdl_message_dir);
936         cprintf("netconfigs|%s\n",      ctdl_netcfg_dir);
937         cprintf("keys|%s\n",            ctdl_key_dir);
938         cprintf("images|%s\n",          ctdl_image_dir);
939         cprintf("info|%s\n",            ctdl_info_dir);
940         cprintf("000\n");
941 }
942
943
944 /*
945  * Common code appears in this section
946  */
947
948
949 void cmd_migr(char *cmdbuf) {
950         char cmd[32];
951         
952         if (CtdlAccessCheck(ac_internal)) return;
953         
954         if (CtdlTrySingleUser())
955         {
956                 CtdlMakeTempFileName(migr_tempfilename1, sizeof migr_tempfilename1);
957                 CtdlMakeTempFileName(migr_tempfilename2, sizeof migr_tempfilename2);
958
959                 extract_token(cmd, cmdbuf, 0, '|', sizeof cmd);
960                 if (!strcasecmp(cmd, "export")) {
961                         migr_do_export();
962                 }
963                 else if (!strcasecmp(cmd, "import")) {
964                         migr_do_import();
965                 }
966                 else if (!strcasecmp(cmd, "listdirs")) {
967                         migr_do_listdirs();
968                 }
969                 else {
970                         cprintf("%d illegal command\n", ERROR + ILLEGAL_VALUE);
971                 }
972
973                 unlink(migr_tempfilename1);
974                 unlink(migr_tempfilename2);
975                 
976                 CtdlEndSingleUser();
977         }
978         else
979         {
980                 cprintf("%d The migrator is already running.\n", ERROR + RESOURCE_BUSY);
981         }
982 }
983
984
985 CTDL_MODULE_INIT(migrate)
986 {
987         if (!threading)
988         {
989                 CtdlRegisterProtoHook(cmd_migr, "MIGR", "Across-the-wire migration");
990                 CtdlRegisterProtoHook(cmd_migr, "ARTV", "Across-the-wire migration (legacy syntax)");
991         }
992         
993         /* return our Subversion id for the Log */
994         return "$Id$";
995 }