* svn propset svn_keywords 'Id' on some files that didn't have it
[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         msg = CtdlFetchMessage(msgnum, 1);
259         if (msg == NULL) return;        /* fail silently */
260
261         client_write("<message>\n", 10);
262         GetMetaData(&smi, msgnum);
263         cprintf("<msg_msgnum>%ld</msg_msgnum>\n", msgnum);
264         cprintf("<msg_meta_refcount>%d</msg_meta_refcount>\n", smi.meta_refcount);
265         client_write("<msg_meta_content_type>", 23); xml_strout(smi.meta_content_type); client_write("</msg_meta_content_type>\n", 25);
266
267         client_write("<msg_text>", 10);
268         serialize_message(&smr, msg);
269         CtdlFreeMessage(msg);
270
271         int encoded_len = 0;
272         int encoded_alloc = smr.len * 14 / 10;  /* well-tested formula for predicting encoded size */
273         char *encoded_msg = malloc(encoded_alloc);
274
275         if (encoded_msg != NULL) {
276                 encoded_len = CtdlEncodeBase64(encoded_msg, (char *)smr.ser, smr.len, 1);
277                 client_write(encoded_msg, encoded_len);
278                 free(encoded_msg);
279         }
280
281         free(smr.ser);
282
283         client_write("</msg_text>\n", 12);
284         client_write("</message>\n", 11);
285 }
286
287
288
289 void migr_export_openids(void) {
290         struct cdbdata *cdboi;
291         long usernum;
292         char url[512];
293
294         cdb_rewind(CDB_OPENID);
295         while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
296                 if (cdboi->len > sizeof(long)) {
297                         client_write("<openid>\n", 9);
298                         memcpy(&usernum, cdboi->ptr, sizeof(long));
299                         snprintf(url, sizeof url, "%s", (cdboi->ptr)+sizeof(long) );
300                         client_write("<oid_url>", 9);
301                         xml_strout(url);
302                         client_write("</oid_url>\n", 11);
303                         cprintf("<oid_usernum>%ld</oid_usernum>\n", usernum);
304                         client_write("</openid>\n", 10);
305                 }
306                 cdb_free(cdboi);
307         }
308 }
309
310
311
312
313 void migr_export_messages(void) {
314         char buf[SIZ];
315         long msgnum;
316         int count = 0;
317         t_context *Ctx;
318
319         Ctx = CC;
320         migr_global_message_list = fopen(migr_tempfilename1, "r");
321         if (migr_global_message_list != NULL) {
322                 CtdlLogPrintf(CTDL_INFO, "Opened %s\n", migr_tempfilename1);
323                 while ((Ctx->kill_me != 1) && 
324                        (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
325                         msgnum = atol(buf);
326                         if (msgnum > 0L) {
327                                 migr_export_message(msgnum);
328                                 ++count;
329                         }
330                 }
331                 fclose(migr_global_message_list);
332         }
333         if (Ctx->kill_me != 1)
334                 CtdlLogPrintf(CTDL_INFO, "Exported %d messages.\n", count);
335         else
336                 CtdlLogPrintf(CTDL_ERR, "Export aborted due to client disconnect! \n");
337 }
338
339
340
341 void migr_do_export(void) {
342         struct config *buf;
343         buf = &config;
344         t_context *Ctx;
345
346         Ctx = CC;
347         cprintf("%d Exporting all Citadel databases.\n", LISTING_FOLLOWS);
348         Ctx->dont_term = 1;
349
350         client_write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n", 40);
351         client_write("<citadel_migrate_data>\n", 23);
352         cprintf("<version>%d</version>\n", REV_LEVEL);
353
354         /* export the config file (this is done using x-macros) */
355         client_write("<config>\n", 9);
356         client_write("<c_nodename>", 12);       xml_strout(config.c_nodename);          client_write("</c_nodename>\n", 14);
357         client_write("<c_fqdn>", 8);            xml_strout(config.c_fqdn);              client_write("</c_fqdn>\n", 10);
358         client_write("<c_humannode>", 13);      xml_strout(config.c_humannode);         client_write("</c_humannode>\n", 15);
359         client_write("<c_phonenum>", 12);       xml_strout(config.c_phonenum);          client_write("</c_phonenum>\n", 14);
360         cprintf("<c_ctdluid>%d</c_ctdluid>\n", config.c_ctdluid);
361         cprintf("<c_creataide>%d</c_creataide>\n", config.c_creataide);
362         cprintf("<c_sleeping>%d</c_sleeping>\n", config.c_sleeping);
363         cprintf("<c_initax>%d</c_initax>\n", config.c_initax);
364         cprintf("<c_regiscall>%d</c_regiscall>\n", config.c_regiscall);
365         cprintf("<c_twitdetect>%d</c_twitdetect>\n", config.c_twitdetect);
366         client_write("<c_twitroom>", 12);       xml_strout(config.c_twitroom);          client_write("</c_twitroom>\n", 14);
367         client_write("<c_moreprompt>", 14);     xml_strout(config.c_moreprompt);        client_write("</c_moreprompt>\n", 16);
368         cprintf("<c_restrict>%d</c_restrict>\n", config.c_restrict);
369         client_write("<c_site_location>", 17);  xml_strout(config.c_site_location);     client_write("</c_site_location>\n", 19);
370         client_write("<c_sysadm>", 10);         xml_strout(config.c_sysadm);            client_write("</c_sysadm>\n", 12);
371         cprintf("<c_setup_level>%d</c_setup_level>\n", config.c_setup_level);
372         cprintf("<c_maxsessions>%d</c_maxsessions>\n", config.c_maxsessions);
373         client_write("<c_ip_addr>", 11);        xml_strout(config.c_ip_addr);           client_write("</c_ip_addr>\n", 13);
374         cprintf("<c_port_number>%d</c_port_number>\n", config.c_port_number);
375         cprintf("<c_ep_expire_mode>%d</c_ep_expire_mode>\n", config.c_ep.expire_mode);
376         cprintf("<c_ep_expire_value>%d</c_ep_expire_value>\n", config.c_ep.expire_value);
377         cprintf("<c_userpurge>%d</c_userpurge>\n", config.c_userpurge);
378         cprintf("<c_roompurge>%d</c_roompurge>\n", config.c_roompurge);
379         client_write("<c_logpages>", 12);       xml_strout(config.c_logpages);          client_write("</c_logpages>\n", 14);
380         cprintf("<c_createax>%d</c_createax>\n", config.c_createax);
381         cprintf("<c_maxmsglen>%ld</c_maxmsglen>\n", config.c_maxmsglen);
382         cprintf("<c_min_workers>%d</c_min_workers>\n", config.c_min_workers);
383         cprintf("<c_max_workers>%d</c_max_workers>\n", config.c_max_workers);
384         cprintf("<c_pop3_port>%d</c_pop3_port>\n", config.c_pop3_port);
385         cprintf("<c_smtp_port>%d</c_smtp_port>\n", config.c_smtp_port);
386         cprintf("<c_rfc822_strict_from>%d</c_rfc822_strict_from>\n", config.c_rfc822_strict_from);
387         cprintf("<c_aide_zap>%d</c_aide_zap>\n", config.c_aide_zap);
388         cprintf("<c_imap_port>%d</c_imap_port>\n", config.c_imap_port);
389         cprintf("<c_net_freq>%ld</c_net_freq>\n", config.c_net_freq);
390         cprintf("<c_disable_newu>%d</c_disable_newu>\n", config.c_disable_newu);
391         cprintf("<c_enable_fulltext>%d</c_enable_fulltext>\n", config.c_enable_fulltext);
392         client_write("<c_baseroom>", 12);       xml_strout(config.c_baseroom);          client_write("</c_baseroom>\n", 14);
393         client_write("<c_aideroom>", 12);       xml_strout(config.c_aideroom);          client_write("</c_aideroom>\n", 14);
394         cprintf("<c_purge_hour>%d</c_purge_hour>\n", config.c_purge_hour);
395         cprintf("<c_mbxep_expire_mode>%d</c_mbxep_expire_mode>\n", config.c_mbxep.expire_mode);
396         cprintf("<c_mbxep_expire_value>%d</c_mbxep_expire_value>\n", config.c_mbxep.expire_value);
397         client_write("<c_ldap_host>", 13);      xml_strout(config.c_ldap_host);         client_write("</c_ldap_host>\n", 15);
398         cprintf("<c_ldap_port>%d</c_ldap_port>\n", config.c_ldap_port);
399         client_write("<c_ldap_base_dn>", 16);   xml_strout(config.c_ldap_base_dn);      client_write("</c_ldap_base_dn>\n", 18);
400         client_write("<c_ldap_bind_dn>", 16);   xml_strout(config.c_ldap_bind_dn);      client_write("</c_ldap_bind_dn>\n", 18);
401         client_write("<c_ldap_bind_pw>", 16);   xml_strout(config.c_ldap_bind_pw);      client_write("</c_ldap_bind_pw>\n", 18);
402         cprintf("<c_msa_port>%d</c_msa_port>\n", config.c_msa_port);
403         cprintf("<c_imaps_port>%d</c_imaps_port>\n", config.c_imaps_port);
404         cprintf("<c_pop3s_port>%d</c_pop3s_port>\n", config.c_pop3s_port);
405         cprintf("<c_smtps_port>%d</c_smtps_port>\n", config.c_smtps_port);
406         cprintf("<c_auto_cull>%d</c_auto_cull>\n", config.c_auto_cull);
407         cprintf("<c_instant_expunge>%d</c_instant_expunge>\n", config.c_instant_expunge);
408         cprintf("<c_allow_spoofing>%d</c_allow_spoofing>\n", config.c_allow_spoofing);
409         cprintf("<c_journal_email>%d</c_journal_email>\n", config.c_journal_email);
410         cprintf("<c_journal_pubmsgs>%d</c_journal_pubmsgs>\n", config.c_journal_pubmsgs);
411         client_write("<c_journal_dest>", 16);   xml_strout(config.c_journal_dest);      client_write("</c_journal_dest>\n", 18);
412         client_write("<c_default_cal_zone>", 20);       xml_strout(config.c_default_cal_zone);  client_write("</c_default_cal_zone>\n", 22);
413         cprintf("<c_pftcpdict_port>%d</c_pftcpdict_port>\n", config.c_pftcpdict_port);
414         cprintf("<c_managesieve_port>%d</c_managesieve_port>\n", config.c_managesieve_port);
415         cprintf("<c_auth_mode>%d</c_auth_mode>\n", config.c_auth_mode);
416         client_write("<c_funambol_host>", 17);  xml_strout(config.c_funambol_host);     client_write("</c_funambol_host>\n", 19);
417         cprintf("<c_funambol_port>%d</c_funambol_port>\n", config.c_funambol_port);
418         client_write("<c_funambol_source>", 19);        xml_strout(config.c_funambol_source);   client_write("</c_funambol_source>\n", 21);
419         client_write("<c_funambol_auth>", 17);  xml_strout(config.c_funambol_auth);     client_write("</c_funambol_auth>\n", 19);
420         cprintf("<c_rbl_at_greeting>%d</c_rbl_at_greeting>\n", config.c_rbl_at_greeting);
421         client_write("<c_master_user>", 15);    xml_strout(config.c_master_user);               client_write("</c_master_user>\n", 17);
422         client_write("<c_master_pass>", 15);    xml_strout(config.c_master_pass);               client_write("</c_master_pass>\n", 17);
423         client_write("<c_pager_program>", 17);  xml_strout(config.c_pager_program);             client_write("</c_pager_program>\n", 19);
424         cprintf("<c_imap_keep_from>%d</c_imap_keep_from>\n", config.c_imap_keep_from);
425         cprintf("<c_xmpp_c2s_port>%d</c_xmpp_c2s_port>\n", config.c_xmpp_c2s_port);
426         cprintf("<c_xmpp_s2s_port>%d</c_xmpp_s2s_port>\n", config.c_xmpp_s2s_port);
427         cprintf("<c_pop3_fetch>%ld</c_pop3_fetch>\n", config.c_pop3_fetch);
428         cprintf("<c_pop3_fastest>%ld</c_pop3_fastest>\n", config.c_pop3_fastest);
429         cprintf("<c_spam_flag_only>%d</c_spam_flag_only>\n", config.c_spam_flag_only);
430         client_write("</config>\n", 10);
431         
432         /* Export the control file */
433         get_control();
434         client_write("<control>\n", 10);
435         cprintf("<control_highest>%ld</control_highest>\n", CitControl.MMhighest);
436         cprintf("<control_flags>%u</control_flags>\n", CitControl.MMflags);
437         cprintf("<control_nextuser>%ld</control_nextuser>\n", CitControl.MMnextuser);
438         cprintf("<control_nextroom>%ld</control_nextroom>\n", CitControl.MMnextroom);
439         cprintf("<control_version>%d</control_version>\n", CitControl.version);
440         client_write("</control>\n", 11);
441
442         if (Ctx->kill_me != 1)  migr_export_users();
443         if (Ctx->kill_me != 1)  migr_export_openids();
444         if (Ctx->kill_me != 1)  migr_export_rooms();
445         if (Ctx->kill_me != 1)  migr_export_floors();
446         if (Ctx->kill_me != 1)  migr_export_visits();
447         if (Ctx->kill_me != 1)  migr_export_messages();
448         client_write("</citadel_migrate_data>\n", 24);
449         client_write("000\n", 4);
450         Ctx->dont_term = 0;
451 }
452
453
454
455
456         
457 /*
458  * Here's the code that implements the import side.  It's going to end up being
459  * one big loop with lots of global variables.  I don't care.  You wouldn't run
460  * multiple concurrent imports anyway.  If this offends your delicate sensibilities
461  * then go rewrite it in Ruby on Rails or something.
462  */
463
464
465 int citadel_migrate_data = 0;           /* Are we inside a <citadel_migrate_data> tag pair? */
466 char *migr_chardata = NULL;
467 int migr_chardata_len = 0;
468 struct ctdluser usbuf;
469 struct ctdlroom qrbuf;
470 char openid_url[512];
471 long openid_usernum = 0;
472 char FRname[ROOMNAMELEN];
473 struct floor flbuf;
474 int floornum = 0;
475 struct visit vbuf;
476 struct MetaData smi;
477 long import_msgnum = 0;
478 char *decoded_msg = NULL;
479
480 /*
481  * This callback stores up the data which appears in between tags.
482  */
483 void migr_xml_chardata(void *data, const XML_Char *s, int len) {
484         int old_len;
485         int new_len;
486         char *new_buffer;
487
488         old_len = migr_chardata_len;
489         new_len = old_len + len;
490         new_buffer = realloc(migr_chardata, new_len + 1);
491         if (new_buffer != NULL) {
492                 memcpy(&new_buffer[old_len], s, len);
493                 new_buffer[new_len] = 0;
494                 migr_chardata = new_buffer;
495                 migr_chardata_len = new_len;
496         }
497 }
498
499
500 void migr_xml_start(void *data, const char *el, const char **attr) {
501         int i;
502
503         /*** GENERAL STUFF ***/
504
505         /* Throw away any existing chardata */
506         if (migr_chardata != NULL) {
507                 free(migr_chardata);
508                 migr_chardata = NULL;
509                 migr_chardata_len = 0;
510         }
511
512         if (!strcasecmp(el, "citadel_migrate_data")) {
513                 ++citadel_migrate_data;
514
515                 /* As soon as it looks like the input data is a genuine Citadel XML export,
516                  * whack the existing database on disk to make room for the new one.
517                  */
518                 if (citadel_migrate_data == 1) {
519                         for (i = 0; i < MAXCDB; ++i) {
520                                 cdb_trunc(i);
521                         }
522                 }
523                 return;
524         }
525
526         if (citadel_migrate_data != 1) {
527                 CtdlLogPrintf(CTDL_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n");
528                 return;
529         }
530
531         /* When we begin receiving XML for one of these record types, clear out the associated
532          * buffer so we don't accidentally carry over any data from a previous record.
533          */
534         if (!strcasecmp(el, "user"))                    memset(&usbuf, 0, sizeof (struct ctdluser));
535         else if (!strcasecmp(el, "openid"))             memset(openid_url, 0, sizeof openid_url);
536         else if (!strcasecmp(el, "room"))               memset(&qrbuf, 0, sizeof (struct ctdlroom));
537         else if (!strcasecmp(el, "room_messages"))      memset(FRname, 0, sizeof FRname);
538         else if (!strcasecmp(el, "floor"))              memset(&flbuf, 0, sizeof (struct floor));
539         else if (!strcasecmp(el, "visit"))              memset(&vbuf, 0, sizeof (struct visit));
540
541         else if (!strcasecmp(el, "message")) {
542                 memset(&smi, 0, sizeof (struct MetaData));
543                 import_msgnum = 0;
544                 if (decoded_msg != NULL) {
545                         free(decoded_msg);
546                         decoded_msg = NULL;
547                 }
548         }
549
550 }
551
552
553 void migr_xml_end(void *data, const char *el, const char **attr) {
554         char *ptr;
555         int msgcount = 0;
556         long msgnum = 0L;
557         long *msglist = NULL;
558         int msglist_alloc = 0;
559         int i;
560         int is_textual_seen = 0;
561         long msglen;
562         int len;
563
564         /*** GENERAL STUFF ***/
565
566         if (!strcasecmp(el, "citadel_migrate_data")) {
567                 --citadel_migrate_data;
568                 return;
569         }
570
571         if (citadel_migrate_data != 1) {
572                 CtdlLogPrintf(CTDL_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n");
573                 return;
574         }
575
576         if (migr_chardata == NULL) {            /* If NULL chardata, substitute an empty string instead. */
577                 migr_chardata = strdup("");
578                 migr_chardata_len = 0;
579         }
580
581         // CtdlLogPrintf(CTDL_DEBUG, "END TAG: <%s> DATA: <%s>\n", el, (migr_chardata_len ? migr_chardata : ""));
582
583         /*** CONFIG ***/
584
585         if (!strcasecmp(el, "config")) {
586                 config.c_enable_fulltext = 0;   /* always disable */
587                 put_config();
588                 CtdlLogPrintf(CTDL_INFO, "Completed import of server configuration\n");
589         }
590
591         else if (!strcasecmp(el, "c_nodename"))                 safestrncpy(config.c_nodename, migr_chardata, sizeof config.c_nodename);
592         else if (!strcasecmp(el, "c_fqdn"))                     safestrncpy(config.c_fqdn, migr_chardata, sizeof config.c_fqdn);
593         else if (!strcasecmp(el, "c_humannode"))                safestrncpy(config.c_humannode, migr_chardata, sizeof config.c_humannode);
594         else if (!strcasecmp(el, "c_phonenum"))                 safestrncpy(config.c_phonenum, migr_chardata, sizeof config.c_phonenum);
595         else if (!strcasecmp(el, "c_ctdluid"))                  config.c_ctdluid = atoi(migr_chardata);
596         else if (!strcasecmp(el, "c_creataide"))                config.c_creataide = atoi(migr_chardata);
597         else if (!strcasecmp(el, "c_sleeping"))                 config.c_sleeping = atoi(migr_chardata);
598         else if (!strcasecmp(el, "c_initax"))                   config.c_initax = atoi(migr_chardata);
599         else if (!strcasecmp(el, "c_regiscall"))                config.c_regiscall = atoi(migr_chardata);
600         else if (!strcasecmp(el, "c_twitdetect"))               config.c_twitdetect = atoi(migr_chardata);
601         else if (!strcasecmp(el, "c_twitroom"))                 safestrncpy(config.c_twitroom, migr_chardata, sizeof config.c_twitroom);
602         else if (!strcasecmp(el, "c_moreprompt"))               safestrncpy(config.c_moreprompt, migr_chardata, sizeof config.c_moreprompt);
603         else if (!strcasecmp(el, "c_restrict"))                 config.c_restrict = atoi(migr_chardata);
604         else if (!strcasecmp(el, "c_site_location"))            safestrncpy(config.c_site_location, migr_chardata, sizeof config.c_site_location);
605         else if (!strcasecmp(el, "c_sysadm"))                   safestrncpy(config.c_sysadm, migr_chardata, sizeof config.c_sysadm);
606         else if (!strcasecmp(el, "c_setup_level"))              config.c_setup_level = atoi(migr_chardata);
607         else if (!strcasecmp(el, "c_maxsessions"))              config.c_maxsessions = atoi(migr_chardata);
608         else if (!strcasecmp(el, "c_ip_addr"))                  safestrncpy(config.c_ip_addr, migr_chardata, sizeof config.c_ip_addr);
609         else if (!strcasecmp(el, "c_port_number"))              config.c_port_number = atoi(migr_chardata);
610         else if (!strcasecmp(el, "c_ep_expire_mode"))           config.c_ep.expire_mode = atoi(migr_chardata);
611         else if (!strcasecmp(el, "c_ep_expire_value"))          config.c_ep.expire_value = atoi(migr_chardata);
612         else if (!strcasecmp(el, "c_userpurge"))                config.c_userpurge = atoi(migr_chardata);
613         else if (!strcasecmp(el, "c_roompurge"))                config.c_roompurge = atoi(migr_chardata);
614         else if (!strcasecmp(el, "c_logpages"))                 safestrncpy(config.c_logpages, migr_chardata, sizeof config.c_logpages);
615         else if (!strcasecmp(el, "c_createax"))                 config.c_createax = atoi(migr_chardata);
616         else if (!strcasecmp(el, "c_maxmsglen"))                config.c_maxmsglen = atol(migr_chardata);
617         else if (!strcasecmp(el, "c_min_workers"))              config.c_min_workers = atoi(migr_chardata);
618         else if (!strcasecmp(el, "c_max_workers"))              config.c_max_workers = atoi(migr_chardata);
619         else if (!strcasecmp(el, "c_pop3_port"))                config.c_pop3_port = atoi(migr_chardata);
620         else if (!strcasecmp(el, "c_smtp_port"))                config.c_smtp_port = atoi(migr_chardata);
621         else if (!strcasecmp(el, "c_rfc822_strict_from"))       config.c_rfc822_strict_from = atoi(migr_chardata);
622         else if (!strcasecmp(el, "c_aide_zap"))                 config.c_aide_zap = atoi(migr_chardata);
623         else if (!strcasecmp(el, "c_imap_port"))                config.c_imap_port = atoi(migr_chardata);
624         else if (!strcasecmp(el, "c_net_freq"))                 config.c_net_freq = atol(migr_chardata);
625         else if (!strcasecmp(el, "c_disable_newu"))             config.c_disable_newu = atoi(migr_chardata);
626         else if (!strcasecmp(el, "c_enable_fulltext"))          config.c_enable_fulltext = atoi(migr_chardata);
627         else if (!strcasecmp(el, "c_baseroom"))                 safestrncpy(config.c_baseroom, migr_chardata, sizeof config.c_baseroom);
628         else if (!strcasecmp(el, "c_aideroom"))                 safestrncpy(config.c_aideroom, migr_chardata, sizeof config.c_aideroom);
629         else if (!strcasecmp(el, "c_purge_hour"))               config.c_purge_hour = atoi(migr_chardata);
630         else if (!strcasecmp(el, "c_mbxep_expire_mode"))        config.c_mbxep.expire_mode = atoi(migr_chardata);
631         else if (!strcasecmp(el, "c_mbxep_expire_value"))       config.c_mbxep.expire_value = atoi(migr_chardata);
632         else if (!strcasecmp(el, "c_ldap_host"))                safestrncpy(config.c_ldap_host, migr_chardata, sizeof config.c_ldap_host);
633         else if (!strcasecmp(el, "c_ldap_port"))                config.c_ldap_port = atoi(migr_chardata);
634         else if (!strcasecmp(el, "c_ldap_base_dn"))             safestrncpy(config.c_ldap_base_dn, migr_chardata, sizeof config.c_ldap_base_dn);
635         else if (!strcasecmp(el, "c_ldap_bind_dn"))             safestrncpy(config.c_ldap_bind_dn, migr_chardata, sizeof config.c_ldap_bind_dn);
636         else if (!strcasecmp(el, "c_ldap_bind_pw"))             safestrncpy(config.c_ldap_bind_pw, migr_chardata, sizeof config.c_ldap_bind_pw);
637         else if (!strcasecmp(el, "c_msa_port"))                 config.c_msa_port = atoi(migr_chardata);
638         else if (!strcasecmp(el, "c_imaps_port"))               config.c_imaps_port = atoi(migr_chardata);
639         else if (!strcasecmp(el, "c_pop3s_port"))               config.c_pop3s_port = atoi(migr_chardata);
640         else if (!strcasecmp(el, "c_smtps_port"))               config.c_smtps_port = atoi(migr_chardata);
641         else if (!strcasecmp(el, "c_auto_cull"))                config.c_auto_cull = atoi(migr_chardata);
642         else if (!strcasecmp(el, "c_instant_expunge"))          config.c_instant_expunge = atoi(migr_chardata);
643         else if (!strcasecmp(el, "c_allow_spoofing"))           config.c_allow_spoofing = atoi(migr_chardata);
644         else if (!strcasecmp(el, "c_journal_email"))            config.c_journal_email = atoi(migr_chardata);
645         else if (!strcasecmp(el, "c_journal_pubmsgs"))          config.c_journal_pubmsgs = atoi(migr_chardata);
646         else if (!strcasecmp(el, "c_journal_dest"))             safestrncpy(config.c_journal_dest, migr_chardata, sizeof config.c_journal_dest);
647         else if (!strcasecmp(el, "c_default_cal_zone"))         safestrncpy(config.c_default_cal_zone, migr_chardata, sizeof config.c_default_cal_zone);
648         else if (!strcasecmp(el, "c_pftcpdict_port"))           config.c_pftcpdict_port = atoi(migr_chardata);
649         else if (!strcasecmp(el, "c_managesieve_port"))         config.c_managesieve_port = atoi(migr_chardata);
650         else if (!strcasecmp(el, "c_auth_mode"))                config.c_auth_mode = atoi(migr_chardata);
651         else if (!strcasecmp(el, "c_funambol_host"))            safestrncpy(config.c_funambol_host, migr_chardata, sizeof config.c_funambol_host);
652         else if (!strcasecmp(el, "c_funambol_port"))            config.c_funambol_port = atoi(migr_chardata);
653         else if (!strcasecmp(el, "c_funambol_source"))          safestrncpy(config.c_funambol_source, migr_chardata, sizeof config.c_funambol_source);
654         else if (!strcasecmp(el, "c_funambol_auth"))            safestrncpy(config.c_funambol_auth, migr_chardata, sizeof config.c_funambol_auth);
655         else if (!strcasecmp(el, "c_rbl_at_greeting"))          config.c_rbl_at_greeting = atoi(migr_chardata);
656         else if (!strcasecmp(el, "c_master_user"))              safestrncpy(config.c_master_user, migr_chardata, sizeof config.c_master_user);
657         else if (!strcasecmp(el, "c_master_pass"))              safestrncpy(config.c_master_pass, migr_chardata, sizeof config.c_master_pass);
658         else if (!strcasecmp(el, "c_pager_program"))            safestrncpy(config.c_pager_program, migr_chardata, sizeof config.c_pager_program);
659         else if (!strcasecmp(el, "c_imap_keep_from"))           config.c_imap_keep_from = atoi(migr_chardata);
660         else if (!strcasecmp(el, "c_xmpp_c2s_port"))            config.c_xmpp_c2s_port = atoi(migr_chardata);
661         else if (!strcasecmp(el, "c_xmpp_s2s_port"))            config.c_xmpp_s2s_port = atoi(migr_chardata);
662         else if (!strcasecmp(el, "c_pop3_fetch"))               config.c_pop3_fetch = atol(migr_chardata);
663         else if (!strcasecmp(el, "c_pop3_fastest"))             config.c_pop3_fastest = atol(migr_chardata);
664         else if (!strcasecmp(el, "c_spam_flag_only"))           config.c_spam_flag_only = atoi(migr_chardata);
665
666         /*** CONTROL ***/
667
668         else if (!strcasecmp(el, "control_highest"))            CitControl.MMhighest = atol(migr_chardata);
669         else if (!strcasecmp(el, "control_flags"))              CitControl.MMflags = atoi(migr_chardata);
670         else if (!strcasecmp(el, "control_nextuser"))           CitControl.MMnextuser = atol(migr_chardata);
671         else if (!strcasecmp(el, "control_nextroom"))           CitControl.MMnextroom = atol(migr_chardata);
672         else if (!strcasecmp(el, "control_version"))            CitControl.version = atoi(migr_chardata);
673
674         else if (!strcasecmp(el, "control")) {
675                 CitControl.MMfulltext = (-1L);  /* always flush */
676                 put_control();
677                 CtdlLogPrintf(CTDL_INFO, "Completed import of control record\n");
678         }
679
680         /*** USER ***/
681
682         else if (!strcasecmp(el, "u_version"))                  usbuf.version = atoi(migr_chardata);
683         else if (!strcasecmp(el, "u_uid"))                      usbuf.uid = atol(migr_chardata);
684         else if (!strcasecmp(el, "u_password"))                 safestrncpy(usbuf.password, migr_chardata, sizeof usbuf.password);
685         else if (!strcasecmp(el, "u_flags"))                    usbuf.flags = atoi(migr_chardata);
686         else if (!strcasecmp(el, "u_timescalled"))              usbuf.timescalled = atol(migr_chardata);
687         else if (!strcasecmp(el, "u_posted"))                   usbuf.posted = atol(migr_chardata);
688         else if (!strcasecmp(el, "u_axlevel"))                  usbuf.axlevel = atoi(migr_chardata);
689         else if (!strcasecmp(el, "u_usernum"))                  usbuf.usernum = atol(migr_chardata);
690         else if (!strcasecmp(el, "u_lastcall"))                 usbuf.lastcall = atol(migr_chardata);
691         else if (!strcasecmp(el, "u_USuserpurge"))              usbuf.USuserpurge = atoi(migr_chardata);
692         else if (!strcasecmp(el, "u_fullname"))                 safestrncpy(usbuf.fullname, migr_chardata, sizeof usbuf.fullname);
693
694         else if (!strcasecmp(el, "user")) {
695                 putuser(&usbuf);
696                 CtdlLogPrintf(CTDL_INFO, "Imported user: %s\n", usbuf.fullname);
697         }
698
699         /*** OPENID ***/
700
701         else if (!strcasecmp(el, "oid_url"))                    safestrncpy(openid_url, migr_chardata, sizeof openid_url);
702         else if (!strcasecmp(el, "oid_usernum"))                openid_usernum = atol(migr_chardata);
703
704         else if (!strcasecmp(el, "openid")) {                   /* see serv_openid_rp.c for a description of the record format */
705                 char *oid_data;
706                 int oid_data_len;
707                 oid_data_len = sizeof(long) + strlen(openid_url) + 1;
708                 oid_data = malloc(oid_data_len);
709                 memcpy(oid_data, &openid_usernum, sizeof(long));
710                 memcpy(&oid_data[sizeof(long)], openid_url, strlen(openid_url) + 1);
711                 cdb_store(CDB_OPENID, openid_url, strlen(openid_url), oid_data, oid_data_len);
712                 free(oid_data);
713                 CtdlLogPrintf(CTDL_INFO, "Imported OpenID: %s (%ld)\n", openid_url, openid_usernum);
714         }
715
716         /*** ROOM ***/
717
718         else if (!strcasecmp(el, "QRname"))                     safestrncpy(qrbuf.QRname, migr_chardata, sizeof qrbuf.QRname);
719         else if (!strcasecmp(el, "QRpasswd"))                   safestrncpy(qrbuf.QRpasswd, migr_chardata, sizeof qrbuf.QRpasswd);
720         else if (!strcasecmp(el, "QRroomaide"))                 qrbuf.QRroomaide = atol(migr_chardata);
721         else if (!strcasecmp(el, "QRhighest"))                  qrbuf.QRhighest = atol(migr_chardata);
722         else if (!strcasecmp(el, "QRgen"))                      qrbuf.QRgen = atol(migr_chardata);
723         else if (!strcasecmp(el, "QRflags"))                    qrbuf.QRflags = atoi(migr_chardata);
724         else if (!strcasecmp(el, "QRdirname"))                  safestrncpy(qrbuf.QRdirname, migr_chardata, sizeof qrbuf.QRdirname);
725         else if (!strcasecmp(el, "QRinfo"))                     qrbuf.QRinfo = atol(migr_chardata);
726         else if (!strcasecmp(el, "QRfloor"))                    qrbuf.QRfloor = atoi(migr_chardata);
727         else if (!strcasecmp(el, "QRmtime"))                    qrbuf.QRmtime = atol(migr_chardata);
728         else if (!strcasecmp(el, "QRexpire_mode"))              qrbuf.QRep.expire_mode = atoi(migr_chardata);
729         else if (!strcasecmp(el, "QRexpire_value"))             qrbuf.QRep.expire_value = atoi(migr_chardata);
730         else if (!strcasecmp(el, "QRnumber"))                   qrbuf.QRnumber = atol(migr_chardata);
731         else if (!strcasecmp(el, "QRorder"))                    qrbuf.QRorder = atoi(migr_chardata);
732         else if (!strcasecmp(el, "QRflags2"))                   qrbuf.QRflags2 = atoi(migr_chardata);
733         else if (!strcasecmp(el, "QRdefaultview"))              qrbuf.QRdefaultview = atoi(migr_chardata);
734
735         else if (!strcasecmp(el, "room")) {
736                 putroom(&qrbuf);
737                 CtdlLogPrintf(CTDL_INFO, "Imported room: %s\n", qrbuf.QRname);
738         }
739
740         /*** ROOM MESSAGE POINTERS ***/
741
742         else if (!strcasecmp(el, "FRname"))                     safestrncpy(FRname, migr_chardata, sizeof FRname);
743
744         else if (!strcasecmp(el, "FRmsglist")) {
745                 if (!IsEmptyStr(FRname)) {
746                         msgcount = 0;
747                         msglist_alloc = 1000;
748                         msglist = malloc(sizeof(long) * msglist_alloc);
749
750                         CtdlLogPrintf(CTDL_DEBUG, "Message list for: %s\n", FRname);
751
752                         ptr = migr_chardata;
753                         while (*ptr != 0) {
754                                 while ((*ptr != 0) && (!isdigit(*ptr))) {
755                                         ++ptr;
756                                 }
757                                 if ((*ptr != 0) && (isdigit(*ptr))) {
758                                         msgnum = atol(ptr);
759                                         if (msgnum > 0L) {
760                                                 if (msgcount >= msglist_alloc) {
761                                                         msglist_alloc *= 2;
762                                                         msglist = realloc(msglist, sizeof(long) * msglist_alloc);
763                                                 }
764                                                 msglist[msgcount++] = msgnum;
765                                                 }
766                                         }
767                                         while ((*ptr != 0) && (isdigit(*ptr))) {
768                                                 ++ptr;
769                                         }
770                                 }
771                         }
772                         if (msgcount > 0) {
773                                 CtdlSaveMsgPointersInRoom(FRname, msglist, msgcount, 0, NULL);
774                         }
775                         free(msglist);
776                         msglist = NULL;
777                         msglist_alloc = 0;
778                         CtdlLogPrintf(CTDL_DEBUG, "Imported %d messages.\n", msgcount);
779                         if (CtdlThreadCheckStop()) {
780                                 return;
781                 }
782         }
783
784         /*** FLOORS ***/
785
786         else if (!strcasecmp(el, "f_num"))                      floornum = atoi(migr_chardata);
787         else if (!strcasecmp(el, "f_flags"))                    flbuf.f_flags = atoi(migr_chardata);
788         else if (!strcasecmp(el, "f_name"))                     safestrncpy(flbuf.f_name, migr_chardata, sizeof flbuf.f_name);
789         else if (!strcasecmp(el, "f_ref_count"))                flbuf.f_ref_count = atoi(migr_chardata);
790         else if (!strcasecmp(el, "f_ep_expire_mode"))           flbuf.f_ep.expire_mode = atoi(migr_chardata);
791         else if (!strcasecmp(el, "f_ep_expire_value"))          flbuf.f_ep.expire_value = atoi(migr_chardata);
792
793         else if (!strcasecmp(el, "floor")) {
794                 putfloor(&flbuf, floornum);
795                 CtdlLogPrintf(CTDL_INFO, "Imported floor #%d (%s)\n", floornum, flbuf.f_name);
796         }
797
798         /*** VISITS ***/
799
800         else if (!strcasecmp(el, "v_roomnum"))                  vbuf.v_roomnum = atol(migr_chardata);
801         else if (!strcasecmp(el, "v_roomgen"))                  vbuf.v_roomgen = atol(migr_chardata);
802         else if (!strcasecmp(el, "v_usernum"))                  vbuf.v_usernum = atol(migr_chardata);
803
804         else if (!strcasecmp(el, "v_seen")) {
805                 vbuf.v_lastseen = atol(migr_chardata);
806                 is_textual_seen = 0;
807                 for (i=0; migr_chardata[i]; ++i) if (!isdigit(migr_chardata[i])) is_textual_seen = 1;
808                 if (is_textual_seen)                            safestrncpy(vbuf.v_seen, migr_chardata, sizeof vbuf.v_seen);
809         }
810
811         else if (!strcasecmp(el, "v_answered"))                 safestrncpy(vbuf.v_answered, migr_chardata, sizeof vbuf.v_answered);
812         else if (!strcasecmp(el, "v_flags"))                    vbuf.v_flags = atoi(migr_chardata);
813         else if (!strcasecmp(el, "v_view"))                     vbuf.v_view = atoi(migr_chardata);
814
815         else if (!strcasecmp(el, "visit")) {
816                 put_visit(&vbuf);
817                 CtdlLogPrintf(CTDL_INFO, "Imported visit: %ld/%ld/%ld\n", vbuf.v_roomnum, vbuf.v_roomgen, vbuf.v_usernum);
818         }
819
820         /*** MESSAGES ***/
821
822         else if (!strcasecmp(el, "msg_msgnum"))                 import_msgnum = atol(migr_chardata);
823         else if (!strcasecmp(el, "msg_meta_refcount"))          smi.meta_refcount = atoi(migr_chardata);
824         else if (!strcasecmp(el, "msg_meta_content_type"))      safestrncpy(smi.meta_content_type, migr_chardata, sizeof smi.meta_content_type);
825
826         else if (!strcasecmp(el, "msg_text")) {
827                 if (decoded_msg != NULL) {
828                         free(decoded_msg);
829                 }
830                 len = strlen(migr_chardata);
831                 decoded_msg = malloc(len);
832                 msglen = CtdlDecodeBase64(decoded_msg, migr_chardata, len);
833                 cdb_store(CDB_MSGMAIN, &import_msgnum, sizeof(long), decoded_msg, msglen);
834                 free(decoded_msg);
835                 decoded_msg = NULL;
836                 PutMetaData(&smi);
837                 CtdlLogPrintf(CTDL_INFO, "Imported message #%ld, size=%ld, refcount=%d, content-type: %s\n",
838                         import_msgnum, msglen, smi.meta_refcount, smi.meta_content_type);
839         }
840
841         /*** MORE GENERAL STUFF ***/
842
843         if (migr_chardata != NULL) {
844                 free(migr_chardata);
845                 migr_chardata = NULL;
846                 migr_chardata_len = 0;
847         }
848 }
849
850
851
852
853 /*
854  * Import begins here
855  */
856 void migr_do_import(void) {
857         char buf[SIZ];
858         XML_Parser xp;
859         int linelen;
860         
861         unbuffer_output();
862
863         xp = XML_ParserCreate(NULL);
864         if (!xp) {
865                 cprintf("%d Failed to create XML parser instance\n", ERROR+INTERNAL_ERROR);
866                 return;
867         }
868         XML_SetElementHandler(xp, migr_xml_start, migr_xml_end);
869         XML_SetCharacterDataHandler(xp, migr_xml_chardata);
870
871         CC->dont_term = 1;
872
873         cprintf("%d sock it to me\n", SEND_LISTING);
874         unbuffer_output();
875
876         while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
877                 linelen = strlen(buf);
878                 strcpy(&buf[linelen++], "\n");
879
880                 if (CtdlThreadCheckStop())
881                         break;  // Should we break or return?
882                 
883                 if (buf[0] == '\0')
884                         continue;
885
886                 XML_Parse(xp, buf, linelen, 0);
887         }
888
889         XML_Parse(xp, "", 0, 1);
890         XML_ParserFree(xp);
891         
892         rebuild_euid_index();
893         rebuild_usersbynumber();
894         CC->dont_term = 0;
895 }
896
897
898
899 /*
900  * Common code appears in this section
901  */
902
903
904 void cmd_migr(char *cmdbuf) {
905         char cmd[32];
906         
907         if (CtdlAccessCheck(ac_internal)) return;
908         
909         if (CtdlTrySingleUser())
910         {
911                 CtdlMakeTempFileName(migr_tempfilename1, sizeof migr_tempfilename1);
912                 CtdlMakeTempFileName(migr_tempfilename2, sizeof migr_tempfilename2);
913
914                 extract_token(cmd, cmdbuf, 0, '|', sizeof cmd);
915                 if (!strcasecmp(cmd, "export")) {
916                         migr_do_export();
917                 }
918                 else if (!strcasecmp(cmd, "import")) {
919                         migr_do_import();
920                 }
921                 else {
922                         cprintf("%d illegal command\n", ERROR + ILLEGAL_VALUE);
923                 }
924
925                 unlink(migr_tempfilename1);
926                 unlink(migr_tempfilename2);
927                 
928                 CtdlEndSingleUser();
929         }
930         else
931         {
932                 cprintf("%d The migrator is already running.\n", ERROR + RESOURCE_BUSY);
933         }
934 }
935
936
937 CTDL_MODULE_INIT(migrate)
938 {
939         if (!threading)
940         {
941                 CtdlRegisterProtoHook(cmd_migr, "MIGR", "Across-the-wire migration");
942                 CtdlRegisterProtoHook(cmd_migr, "ARTV", "Across-the-wire migration (legacy syntax)");
943         }
944         
945         /* return our Subversion id for the Log */
946         return "$Id$";
947 }