Began working on the 'clean shutdown' code for the new thread architecture.
[citadel.git] / citadel / modules / migrate / serv_migrate.c
1 /*
2  * This module dumps and/or loads the Citadel database in XML format.
3  *
4  * Copyright (c) 1987-2010 by the citadel.org team
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20
21 #include "sysdep.h"
22 #include <stdlib.h>
23 #include <unistd.h>
24 #include <stdio.h>
25 #include <fcntl.h>
26 #include <signal.h>
27 #include <pwd.h>
28 #include <errno.h>
29 #include <sys/types.h>
30
31 #if TIME_WITH_SYS_TIME
32 # include <sys/time.h>
33 # include <time.h>
34 #else
35 # if HAVE_SYS_TIME_H
36 #  include <sys/time.h>
37 # else
38 #  include <time.h>
39 # endif
40 #endif
41
42 #include <sys/wait.h>
43 #include <string.h>
44 #include <ctype.h>
45 #include <limits.h>
46 #include <expat.h>
47 #include <libcitadel.h>
48 #include "citadel.h"
49 #include "server.h"
50 #include "citserver.h"
51 #include "support.h"
52 #include "config.h"
53 #include "database.h"
54 #include "msgbase.h"
55 #include "user_ops.h"
56 #include "control.h"
57 #include "euidindex.h"
58
59
60 #include "ctdl_module.h"
61
62
63
64 #define END_OF_MESSAGE  "---eom---dbd---"
65
66 char migr_tempfilename1[PATH_MAX];
67 char migr_tempfilename2[PATH_MAX];
68 FILE *migr_global_message_list;
69
70
71
72
73 /*
74  * Code which implements the export appears in this section
75  */
76
77
78
79 /*
80  * Output a string to the client with these characters escaped:  & < >
81  */
82 void xml_strout(char *str) {
83
84         char *c = str;
85
86         while (*c != 0) {
87                 if (*c == '\"') {
88                         client_write("&quot;", 6);
89                 }
90                 else if (*c == '\'') {
91                         client_write("&apos;", 6);
92                 }
93                 else if (*c == '<') {
94                         client_write("&lt;", 4);
95                 }
96                 else if (*c == '>') {
97                         client_write("&gt;", 4);
98                 }
99                 else if (*c == '&') {
100                         client_write("&amp;", 5);
101                 }
102                 else {
103                         client_write(c, 1);
104                 }
105                 ++c;
106         }
107 }
108
109
110 /*
111  * Export a user record as XML
112  */
113 void migr_export_users_backend(struct ctdluser *buf, void *data) {
114         client_write("<user>\n", 7);
115         cprintf("<u_version>%d</u_version>\n", buf->version);
116         cprintf("<u_uid>%ld</u_uid>\n", (long)buf->uid);
117         client_write("<u_password>", 12);       xml_strout(buf->password);              client_write("</u_password>\n", 14);
118         cprintf("<u_flags>%u</u_flags>\n", buf->flags);
119         cprintf("<u_timescalled>%ld</u_timescalled>\n", buf->timescalled);
120         cprintf("<u_posted>%ld</u_posted>\n", buf->posted);
121         cprintf("<u_axlevel>%d</u_axlevel>\n", buf->axlevel);
122         cprintf("<u_usernum>%ld</u_usernum>\n", buf->usernum);
123         cprintf("<u_lastcall>%ld</u_lastcall>\n", (long)buf->lastcall);
124         cprintf("<u_USuserpurge>%d</u_USuserpurge>\n", buf->USuserpurge);
125         client_write("<u_fullname>", 12);       xml_strout(buf->fullname);              client_write("</u_fullname>\n", 14);
126         client_write("</user>\n", 8);
127 }
128
129
130 void migr_export_users(void) {
131         ForEachUser(migr_export_users_backend, NULL);
132 }
133
134
135 void migr_export_room_msg(long msgnum, void *userdata) {
136         cprintf("%ld\n", msgnum);
137         fprintf(migr_global_message_list, "%ld\n", msgnum);
138 }
139
140
141 void migr_export_rooms_backend(struct ctdlroom *buf, void *data) {
142         client_write("<room>\n", 7);
143         client_write("<QRname>", 8);    xml_strout(buf->QRname);        client_write("</QRname>\n", 10);
144         client_write("<QRpasswd>", 10); xml_strout(buf->QRpasswd);      client_write("</QRpasswd>\n", 12);
145         cprintf("<QRroomaide>%ld</QRroomaide>\n", buf->QRroomaide);
146         cprintf("<QRhighest>%ld</QRhighest>\n", buf->QRhighest);
147         cprintf("<QRgen>%ld</QRgen>\n", (long)buf->QRgen);
148         cprintf("<QRflags>%u</QRflags>\n", buf->QRflags);
149         if (buf->QRflags & QR_DIRECTORY) {
150                 client_write("<QRdirname>", 11);
151                 xml_strout(buf->QRdirname);
152                 client_write("</QRdirname>\n", 13);
153         }
154         cprintf("<QRinfo>%ld</QRinfo>\n", buf->QRinfo);
155         cprintf("<QRfloor>%d</QRfloor>\n", buf->QRfloor);
156         cprintf("<QRmtime>%ld</QRmtime>\n", (long)buf->QRmtime);
157         cprintf("<QRexpire_mode>%d</QRexpire_mode>\n", buf->QRep.expire_mode);
158         cprintf("<QRexpire_value>%d</QRexpire_value>\n", buf->QRep.expire_value);
159         cprintf("<QRnumber>%ld</QRnumber>\n", buf->QRnumber);
160         cprintf("<QRorder>%d</QRorder>\n", buf->QRorder);
161         cprintf("<QRflags2>%u</QRflags2>\n", buf->QRflags2);
162         cprintf("<QRdefaultview>%d</QRdefaultview>\n", buf->QRdefaultview);
163         client_write("</room>\n", 8);
164
165         /* message list goes inside this tag */
166
167         CtdlGetRoom(&CC->room, buf->QRname);
168         client_write("<room_messages>", 15);
169         client_write("<FRname>", 8);    xml_strout(CC->room.QRname);    client_write("</FRname>\n", 10);
170         client_write("<FRmsglist>", 11);
171         CtdlForEachMessage(MSGS_ALL, 0L, NULL, NULL, NULL, migr_export_room_msg, NULL);
172         client_write("</FRmsglist>\n", 13);
173         client_write("</room_messages>\n", 17);
174
175
176 }
177
178
179 void migr_export_rooms(void) {
180         char cmd[SIZ];
181         migr_global_message_list = fopen(migr_tempfilename1, "w");
182         if (migr_global_message_list != NULL) {
183                 CtdlForEachRoom(migr_export_rooms_backend, NULL);
184                 fclose(migr_global_message_list);
185         }
186
187         /*
188          * Process the 'global' message list.  (Sort it and remove dups.
189          * Dups are ok because a message may be in more than one room, but
190          * this will be handled by exporting the reference count, not by
191          * exporting the message multiple times.)
192          */
193         snprintf(cmd, sizeof cmd, "sort -n <%s >%s", migr_tempfilename1, migr_tempfilename2);
194         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d\n", errno);
195         snprintf(cmd, sizeof cmd, "uniq <%s >%s", migr_tempfilename2, migr_tempfilename1);
196         if (system(cmd) != 0) syslog(LOG_ALERT, "Error %d\n", errno);
197 }
198
199
200 void migr_export_floors(void) {
201         struct floor qfbuf, *buf;
202         int i;
203
204         for (i=0; i < MAXFLOORS; ++i) {
205                 client_write("<floor>\n", 8);
206                 cprintf("<f_num>%d</f_num>\n", i);
207                 CtdlGetFloor(&qfbuf, i);
208                 buf = &qfbuf;
209                 cprintf("<f_flags>%u</f_flags>\n", buf->f_flags);
210                 client_write("<f_name>", 8); xml_strout(buf->f_name); client_write("</f_name>\n", 10);
211                 cprintf("<f_ref_count>%d</f_ref_count>\n", buf->f_ref_count);
212                 cprintf("<f_ep_expire_mode>%d</f_ep_expire_mode>\n", buf->f_ep.expire_mode);
213                 cprintf("<f_ep_expire_value>%d</f_ep_expire_value>\n", buf->f_ep.expire_value);
214                 client_write("</floor>\n", 9);
215         }
216 }
217
218
219 /*
220  * Return nonzero if the supplied string contains only characters which are valid in a sequence set.
221  */
222 int is_sequence_set(char *s) {
223         if (!s) return(0);
224
225         char *c = s;
226         char ch;
227         while (ch = *c++, ch) {
228                 if (!strchr("0123456789*,:", ch)) {
229                         return(0);
230                 }
231         }
232         return(1);
233 }
234
235
236
237 /* 
238  *  Traverse the visits file...
239  */
240 void migr_export_visits(void) {
241         visit vbuf;
242         struct cdbdata *cdbv;
243
244         cdb_rewind(CDB_VISIT);
245
246         while (cdbv = cdb_next_item(CDB_VISIT), cdbv != NULL) {
247                 memset(&vbuf, 0, sizeof(visit));
248                 memcpy(&vbuf, cdbv->ptr,
249                        ((cdbv->len > sizeof(visit)) ?
250                         sizeof(visit) : cdbv->len));
251                 cdb_free(cdbv);
252
253                 client_write("<visit>\n", 8);
254                 cprintf("<v_roomnum>%ld</v_roomnum>\n", vbuf.v_roomnum);
255                 cprintf("<v_roomgen>%ld</v_roomgen>\n", vbuf.v_roomgen);
256                 cprintf("<v_usernum>%ld</v_usernum>\n", vbuf.v_usernum);
257
258                 client_write("<v_seen>", 8);
259                 if ( (!IsEmptyStr(vbuf.v_seen)) && (is_sequence_set(vbuf.v_seen)) ) {
260                         xml_strout(vbuf.v_seen);
261                 }
262                 else {
263                         cprintf("%ld", vbuf.v_lastseen);
264                 }
265                 client_write("</v_seen>", 9);
266
267                 if ( (!IsEmptyStr(vbuf.v_answered)) && (is_sequence_set(vbuf.v_answered)) ) {
268                         client_write("<v_answered>", 12);
269                         xml_strout(vbuf.v_answered);
270                         client_write("</v_answered>\n", 14);
271                 }
272
273                 cprintf("<v_flags>%u</v_flags>\n", vbuf.v_flags);
274                 cprintf("<v_view>%d</v_view>\n", vbuf.v_view);
275                 client_write("</visit>\n", 9);
276         }
277 }
278
279
280 void migr_export_message(long msgnum) {
281         struct MetaData smi;
282         struct CtdlMessage *msg;
283         struct ser_ret smr;
284
285         /* We can use a static buffer here because there will never be more than
286          * one of this operation happening at any given time, and it's really best
287          * to just keep it allocated once instead of torturing malloc/free.
288          * Call this function with msgnum "-1" to free the buffer when finished.
289          */
290         static int encoded_alloc = 0;
291         static char *encoded_msg = NULL;
292
293         if (msgnum < 0) {
294                 if ((encoded_alloc == 0) && (encoded_msg != NULL)) {
295                         free(encoded_msg);
296                         encoded_alloc = 0;
297                         encoded_msg = NULL;
298                 }
299                 return;
300         }
301
302         /* Ok, here we go ... */
303
304         msg = CtdlFetchMessage(msgnum, 1);
305         if (msg == NULL) return;        /* fail silently */
306
307         client_write("<message>\n", 10);
308         GetMetaData(&smi, msgnum);
309         cprintf("<msg_msgnum>%ld</msg_msgnum>\n", msgnum);
310         cprintf("<msg_meta_refcount>%d</msg_meta_refcount>\n", smi.meta_refcount);
311         client_write("<msg_meta_content_type>", 23); xml_strout(smi.meta_content_type); client_write("</msg_meta_content_type>\n", 25);
312
313         client_write("<msg_text>", 10);
314         serialize_message(&smr, msg);
315         CtdlFreeMessage(msg);
316
317         /* Predict the buffer size we need.  Expand the buffer if necessary. */
318         int encoded_len = smr.len * 15 / 10 ;
319         if (encoded_len > encoded_alloc) {
320                 encoded_alloc = encoded_len;
321                 encoded_msg = realloc(encoded_msg, encoded_alloc);
322         }
323
324         if (encoded_msg == NULL) {
325                 /* Questionable hack that hopes it'll work next time and we only lose one message */
326                 encoded_alloc = 0;
327         }
328         else {
329                 /* Once we do the encoding we know the exact size */
330                 encoded_len = CtdlEncodeBase64(encoded_msg, (char *)smr.ser, smr.len, 1);
331                 client_write(encoded_msg, encoded_len);
332         }
333
334         free(smr.ser);
335
336         client_write("</msg_text>\n", 12);
337         client_write("</message>\n", 11);
338 }
339
340
341
342 void migr_export_openids(void) {
343         struct cdbdata *cdboi;
344         long usernum;
345         char url[512];
346
347         cdb_rewind(CDB_OPENID);
348         while (cdboi = cdb_next_item(CDB_OPENID), cdboi != NULL) {
349                 if (cdboi->len > sizeof(long)) {
350                         client_write("<openid>\n", 9);
351                         memcpy(&usernum, cdboi->ptr, sizeof(long));
352                         snprintf(url, sizeof url, "%s", (cdboi->ptr)+sizeof(long) );
353                         client_write("<oid_url>", 9);
354                         xml_strout(url);
355                         client_write("</oid_url>\n", 11);
356                         cprintf("<oid_usernum>%ld</oid_usernum>\n", usernum);
357                         client_write("</openid>\n", 10);
358                 }
359                 cdb_free(cdboi);
360         }
361 }
362
363
364
365
366 void migr_export_messages(void) {
367         char buf[SIZ];
368         long msgnum;
369         int count = 0;
370         CitContext *Ctx;
371
372         Ctx = CC;
373         migr_global_message_list = fopen(migr_tempfilename1, "r");
374         if (migr_global_message_list != NULL) {
375                 syslog(LOG_INFO, "Opened %s\n", migr_tempfilename1);
376                 while ((Ctx->kill_me == 0) && 
377                        (fgets(buf, sizeof(buf), migr_global_message_list) != NULL)) {
378                         msgnum = atol(buf);
379                         if (msgnum > 0L) {
380                                 migr_export_message(msgnum);
381                                 ++count;
382                         }
383                 }
384                 fclose(migr_global_message_list);
385         }
386         if (Ctx->kill_me == 0)
387                 syslog(LOG_INFO, "Exported %d messages.\n", count);
388         else
389                 syslog(LOG_ERR, "Export aborted due to client disconnect! \n");
390
391         migr_export_message(-1L);       /* This frees the encoding buffer */
392 }
393
394
395
396 void migr_do_export(void) {
397         struct config *buf;
398         buf = &config;
399         CitContext *Ctx;
400
401         Ctx = CC;
402         cprintf("%d Exporting all Citadel databases.\n", LISTING_FOLLOWS);
403         Ctx->dont_term = 1;
404
405         client_write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n", 40);
406         client_write("<citadel_migrate_data>\n", 23);
407         cprintf("<version>%d</version>\n", REV_LEVEL);
408
409         /* export the config file (this is done using x-macros) */
410         client_write("<config>\n", 9);
411         client_write("<c_nodename>", 12);       xml_strout(config.c_nodename);          client_write("</c_nodename>\n", 14);
412         client_write("<c_fqdn>", 8);            xml_strout(config.c_fqdn);              client_write("</c_fqdn>\n", 10);
413         client_write("<c_humannode>", 13);      xml_strout(config.c_humannode);         client_write("</c_humannode>\n", 15);
414         client_write("<c_phonenum>", 12);       xml_strout(config.c_phonenum);          client_write("</c_phonenum>\n", 14);
415         cprintf("<c_ctdluid>%d</c_ctdluid>\n", config.c_ctdluid);
416         cprintf("<c_creataide>%d</c_creataide>\n", config.c_creataide);
417         cprintf("<c_sleeping>%d</c_sleeping>\n", config.c_sleeping);
418         cprintf("<c_initax>%d</c_initax>\n", config.c_initax);
419         cprintf("<c_regiscall>%d</c_regiscall>\n", config.c_regiscall);
420         cprintf("<c_twitdetect>%d</c_twitdetect>\n", config.c_twitdetect);
421         client_write("<c_twitroom>", 12);       xml_strout(config.c_twitroom);          client_write("</c_twitroom>\n", 14);
422         client_write("<c_moreprompt>", 14);     xml_strout(config.c_moreprompt);        client_write("</c_moreprompt>\n", 16);
423         cprintf("<c_restrict>%d</c_restrict>\n", config.c_restrict);
424         client_write("<c_site_location>", 17);  xml_strout(config.c_site_location);     client_write("</c_site_location>\n", 19);
425         client_write("<c_sysadm>", 10);         xml_strout(config.c_sysadm);            client_write("</c_sysadm>\n", 12);
426         cprintf("<c_setup_level>%d</c_setup_level>\n", config.c_setup_level);
427         cprintf("<c_maxsessions>%d</c_maxsessions>\n", config.c_maxsessions);
428         client_write("<c_ip_addr>", 11);        xml_strout(config.c_ip_addr);           client_write("</c_ip_addr>\n", 13);
429         cprintf("<c_port_number>%d</c_port_number>\n", config.c_port_number);
430         cprintf("<c_ep_expire_mode>%d</c_ep_expire_mode>\n", config.c_ep.expire_mode);
431         cprintf("<c_ep_expire_value>%d</c_ep_expire_value>\n", config.c_ep.expire_value);
432         cprintf("<c_userpurge>%d</c_userpurge>\n", config.c_userpurge);
433         cprintf("<c_roompurge>%d</c_roompurge>\n", config.c_roompurge);
434         client_write("<c_logpages>", 12);       xml_strout(config.c_logpages);          client_write("</c_logpages>\n", 14);
435         cprintf("<c_createax>%d</c_createax>\n", config.c_createax);
436         cprintf("<c_maxmsglen>%ld</c_maxmsglen>\n", config.c_maxmsglen);
437         cprintf("<c_min_workers>%d</c_min_workers>\n", config.c_min_workers);
438         cprintf("<c_max_workers>%d</c_max_workers>\n", config.c_max_workers);
439         cprintf("<c_pop3_port>%d</c_pop3_port>\n", config.c_pop3_port);
440         cprintf("<c_smtp_port>%d</c_smtp_port>\n", config.c_smtp_port);
441         cprintf("<c_rfc822_strict_from>%d</c_rfc822_strict_from>\n", config.c_rfc822_strict_from);
442         cprintf("<c_aide_zap>%d</c_aide_zap>\n", config.c_aide_zap);
443         cprintf("<c_imap_port>%d</c_imap_port>\n", config.c_imap_port);
444         cprintf("<c_net_freq>%ld</c_net_freq>\n", config.c_net_freq);
445         cprintf("<c_disable_newu>%d</c_disable_newu>\n", config.c_disable_newu);
446         cprintf("<c_enable_fulltext>%d</c_enable_fulltext>\n", config.c_enable_fulltext);
447         client_write("<c_baseroom>", 12);       xml_strout(config.c_baseroom);          client_write("</c_baseroom>\n", 14);
448         client_write("<c_aideroom>", 12);       xml_strout(config.c_aideroom);          client_write("</c_aideroom>\n", 14);
449         cprintf("<c_purge_hour>%d</c_purge_hour>\n", config.c_purge_hour);
450         cprintf("<c_mbxep_expire_mode>%d</c_mbxep_expire_mode>\n", config.c_mbxep.expire_mode);
451         cprintf("<c_mbxep_expire_value>%d</c_mbxep_expire_value>\n", config.c_mbxep.expire_value);
452         client_write("<c_ldap_host>", 13);      xml_strout(config.c_ldap_host);         client_write("</c_ldap_host>\n", 15);
453         cprintf("<c_ldap_port>%d</c_ldap_port>\n", config.c_ldap_port);
454         client_write("<c_ldap_base_dn>", 16);   xml_strout(config.c_ldap_base_dn);      client_write("</c_ldap_base_dn>\n", 18);
455         client_write("<c_ldap_bind_dn>", 16);   xml_strout(config.c_ldap_bind_dn);      client_write("</c_ldap_bind_dn>\n", 18);
456         client_write("<c_ldap_bind_pw>", 16);   xml_strout(config.c_ldap_bind_pw);      client_write("</c_ldap_bind_pw>\n", 18);
457         cprintf("<c_msa_port>%d</c_msa_port>\n", config.c_msa_port);
458         cprintf("<c_imaps_port>%d</c_imaps_port>\n", config.c_imaps_port);
459         cprintf("<c_pop3s_port>%d</c_pop3s_port>\n", config.c_pop3s_port);
460         cprintf("<c_smtps_port>%d</c_smtps_port>\n", config.c_smtps_port);
461         cprintf("<c_auto_cull>%d</c_auto_cull>\n", config.c_auto_cull);
462         cprintf("<c_instant_expunge>%d</c_instant_expunge>\n", config.c_instant_expunge);
463         cprintf("<c_allow_spoofing>%d</c_allow_spoofing>\n", config.c_allow_spoofing);
464         cprintf("<c_journal_email>%d</c_journal_email>\n", config.c_journal_email);
465         cprintf("<c_journal_pubmsgs>%d</c_journal_pubmsgs>\n", config.c_journal_pubmsgs);
466         client_write("<c_journal_dest>", 16);   xml_strout(config.c_journal_dest);      client_write("</c_journal_dest>\n", 18);
467         client_write("<c_default_cal_zone>", 20);       xml_strout(config.c_default_cal_zone);  client_write("</c_default_cal_zone>\n", 22);
468         cprintf("<c_pftcpdict_port>%d</c_pftcpdict_port>\n", config.c_pftcpdict_port);
469         cprintf("<c_managesieve_port>%d</c_managesieve_port>\n", config.c_managesieve_port);
470         cprintf("<c_auth_mode>%d</c_auth_mode>\n", config.c_auth_mode);
471         client_write("<c_funambol_host>", 17);  xml_strout(config.c_funambol_host);     client_write("</c_funambol_host>\n", 19);
472         cprintf("<c_funambol_port>%d</c_funambol_port>\n", config.c_funambol_port);
473         client_write("<c_funambol_source>", 19);        xml_strout(config.c_funambol_source);   client_write("</c_funambol_source>\n", 21);
474         client_write("<c_funambol_auth>", 17);  xml_strout(config.c_funambol_auth);     client_write("</c_funambol_auth>\n", 19);
475         cprintf("<c_rbl_at_greeting>%d</c_rbl_at_greeting>\n", config.c_rbl_at_greeting);
476         client_write("<c_master_user>", 15);    xml_strout(config.c_master_user);               client_write("</c_master_user>\n", 17);
477         client_write("<c_master_pass>", 15);    xml_strout(config.c_master_pass);               client_write("</c_master_pass>\n", 17);
478         client_write("<c_pager_program>", 17);  xml_strout(config.c_pager_program);             client_write("</c_pager_program>\n", 19);
479         cprintf("<c_imap_keep_from>%d</c_imap_keep_from>\n", config.c_imap_keep_from);
480         cprintf("<c_xmpp_c2s_port>%d</c_xmpp_c2s_port>\n", config.c_xmpp_c2s_port);
481         cprintf("<c_xmpp_s2s_port>%d</c_xmpp_s2s_port>\n", config.c_xmpp_s2s_port);
482         cprintf("<c_pop3_fetch>%ld</c_pop3_fetch>\n", config.c_pop3_fetch);
483         cprintf("<c_pop3_fastest>%ld</c_pop3_fastest>\n", config.c_pop3_fastest);
484         cprintf("<c_spam_flag_only>%d</c_spam_flag_only>\n", config.c_spam_flag_only);
485         client_write("</config>\n", 10);
486         
487         /* Export the control file */
488         get_control();
489         client_write("<control>\n", 10);
490         cprintf("<control_highest>%ld</control_highest>\n", CitControl.MMhighest);
491         cprintf("<control_flags>%u</control_flags>\n", CitControl.MMflags);
492         cprintf("<control_nextuser>%ld</control_nextuser>\n", CitControl.MMnextuser);
493         cprintf("<control_nextroom>%ld</control_nextroom>\n", CitControl.MMnextroom);
494         cprintf("<control_version>%d</control_version>\n", CitControl.version);
495         client_write("</control>\n", 11);
496
497         if (Ctx->kill_me == 0)  migr_export_users();
498         if (Ctx->kill_me == 0)  migr_export_openids();
499         if (Ctx->kill_me == 0)  migr_export_rooms();
500         if (Ctx->kill_me == 0)  migr_export_floors();
501         if (Ctx->kill_me == 0)  migr_export_visits();
502         if (Ctx->kill_me == 0)  migr_export_messages();
503         client_write("</citadel_migrate_data>\n", 24);
504         client_write("000\n", 4);
505         Ctx->dont_term = 0;
506 }
507
508
509
510
511         
512 /*
513  * Here's the code that implements the import side.  It's going to end up being
514  * one big loop with lots of global variables.  I don't care.  You wouldn't run
515  * multiple concurrent imports anyway.  If this offends your delicate sensibilities
516  * then go rewrite it in Ruby on Rails or something.
517  */
518
519
520 int citadel_migrate_data = 0;           /* Are we inside a <citadel_migrate_data> tag pair? */
521 char *migr_chardata = NULL;
522 int migr_chardata_len = 0;
523 struct ctdluser usbuf;
524 struct ctdlroom qrbuf;
525 char openid_url[512];
526 long openid_usernum = 0;
527 char FRname[ROOMNAMELEN];
528 struct floor flbuf;
529 int floornum = 0;
530 visit vbuf;
531 struct MetaData smi;
532 long import_msgnum = 0;
533 char *decoded_msg = NULL;
534
535 /*
536  * This callback stores up the data which appears in between tags.
537  */
538 void migr_xml_chardata(void *data, const XML_Char *s, int len) {
539         int old_len;
540         int new_len;
541         char *new_buffer;
542
543         old_len = migr_chardata_len;
544         new_len = old_len + len;
545         new_buffer = realloc(migr_chardata, new_len + 1);
546         if (new_buffer != NULL) {
547                 memcpy(&new_buffer[old_len], s, len);
548                 new_buffer[new_len] = 0;
549                 migr_chardata = new_buffer;
550                 migr_chardata_len = new_len;
551         }
552 }
553
554
555 void migr_xml_start(void *data, const char *el, const char **attr) {
556         int i;
557
558         /*** GENERAL STUFF ***/
559
560         /* Throw away any existing chardata */
561         if (migr_chardata != NULL) {
562                 free(migr_chardata);
563                 migr_chardata = NULL;
564                 migr_chardata_len = 0;
565         }
566
567         if (!strcasecmp(el, "citadel_migrate_data")) {
568                 ++citadel_migrate_data;
569
570                 /* As soon as it looks like the input data is a genuine Citadel XML export,
571                  * whack the existing database on disk to make room for the new one.
572                  */
573                 if (citadel_migrate_data == 1) {
574                         for (i = 0; i < MAXCDB; ++i) {
575                                 cdb_trunc(i);
576                         }
577                 }
578                 return;
579         }
580
581         if (citadel_migrate_data != 1) {
582                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n", el);
583                 return;
584         }
585
586         /* When we begin receiving XML for one of these record types, clear out the associated
587          * buffer so we don't accidentally carry over any data from a previous record.
588          */
589         if (!strcasecmp(el, "user"))                    memset(&usbuf, 0, sizeof (struct ctdluser));
590         else if (!strcasecmp(el, "openid"))             memset(openid_url, 0, sizeof openid_url);
591         else if (!strcasecmp(el, "room"))               memset(&qrbuf, 0, sizeof (struct ctdlroom));
592         else if (!strcasecmp(el, "room_messages"))      memset(FRname, 0, sizeof FRname);
593         else if (!strcasecmp(el, "floor"))              memset(&flbuf, 0, sizeof (struct floor));
594         else if (!strcasecmp(el, "visit"))              memset(&vbuf, 0, sizeof (visit));
595
596         else if (!strcasecmp(el, "message")) {
597                 memset(&smi, 0, sizeof (struct MetaData));
598                 import_msgnum = 0;
599                 if (decoded_msg != NULL) {
600                         free(decoded_msg);
601                         decoded_msg = NULL;
602                 }
603         }
604
605 }
606
607
608 void migr_xml_end(void *data, const char *el) {
609         char *ptr;
610         int msgcount = 0;
611         long msgnum = 0L;
612         long *msglist = NULL;
613         int msglist_alloc = 0;
614         int i;
615         int is_textual_seen = 0;
616         long msglen;
617         int len;
618
619         /*** GENERAL STUFF ***/
620
621         if (!strcasecmp(el, "citadel_migrate_data")) {
622                 --citadel_migrate_data;
623                 return;
624         }
625
626         if (citadel_migrate_data != 1) {
627                 syslog(LOG_ALERT, "Out-of-sequence tag <%s> detected.  Warning: ODD-DATA!\n", el);
628                 return;
629         }
630
631         if (migr_chardata == NULL) {            /* If NULL chardata, substitute an empty string instead. */
632                 migr_chardata = strdup("");
633                 migr_chardata_len = 0;
634         }
635
636         // syslog(LOG_DEBUG, "END TAG: <%s> DATA: <%s>\n", el, (migr_chardata_len ? migr_chardata : ""));
637
638         /*** CONFIG ***/
639
640         if (!strcasecmp(el, "config")) {
641                 config.c_enable_fulltext = 0;   /* always disable */
642                 put_config();
643                 syslog(LOG_INFO, "Completed import of server configuration\n");
644         }
645
646         else if (!strcasecmp(el, "c_nodename"))                 safestrncpy(config.c_nodename, migr_chardata, sizeof config.c_nodename);
647         else if (!strcasecmp(el, "c_fqdn"))                     safestrncpy(config.c_fqdn, migr_chardata, sizeof config.c_fqdn);
648         else if (!strcasecmp(el, "c_humannode"))                safestrncpy(config.c_humannode, migr_chardata, sizeof config.c_humannode);
649         else if (!strcasecmp(el, "c_phonenum"))                 safestrncpy(config.c_phonenum, migr_chardata, sizeof config.c_phonenum);
650         else if (!strcasecmp(el, "c_ctdluid"))                  config.c_ctdluid = atoi(migr_chardata);
651         else if (!strcasecmp(el, "c_creataide"))                config.c_creataide = atoi(migr_chardata);
652         else if (!strcasecmp(el, "c_sleeping"))                 config.c_sleeping = atoi(migr_chardata);
653         else if (!strcasecmp(el, "c_initax"))                   config.c_initax = atoi(migr_chardata);
654         else if (!strcasecmp(el, "c_regiscall"))                config.c_regiscall = atoi(migr_chardata);
655         else if (!strcasecmp(el, "c_twitdetect"))               config.c_twitdetect = atoi(migr_chardata);
656         else if (!strcasecmp(el, "c_twitroom"))                 safestrncpy(config.c_twitroom, migr_chardata, sizeof config.c_twitroom);
657         else if (!strcasecmp(el, "c_moreprompt"))               safestrncpy(config.c_moreprompt, migr_chardata, sizeof config.c_moreprompt);
658         else if (!strcasecmp(el, "c_restrict"))                 config.c_restrict = atoi(migr_chardata);
659         else if (!strcasecmp(el, "c_site_location"))            safestrncpy(config.c_site_location, migr_chardata, sizeof config.c_site_location);
660         else if (!strcasecmp(el, "c_sysadm"))                   safestrncpy(config.c_sysadm, migr_chardata, sizeof config.c_sysadm);
661         else if (!strcasecmp(el, "c_setup_level"))              config.c_setup_level = atoi(migr_chardata);
662         else if (!strcasecmp(el, "c_maxsessions"))              config.c_maxsessions = atoi(migr_chardata);
663         else if (!strcasecmp(el, "c_ip_addr"))                  safestrncpy(config.c_ip_addr, migr_chardata, sizeof config.c_ip_addr);
664         else if (!strcasecmp(el, "c_port_number"))              config.c_port_number = atoi(migr_chardata);
665         else if (!strcasecmp(el, "c_ep_expire_mode"))           config.c_ep.expire_mode = atoi(migr_chardata);
666         else if (!strcasecmp(el, "c_ep_expire_value"))          config.c_ep.expire_value = atoi(migr_chardata);
667         else if (!strcasecmp(el, "c_userpurge"))                config.c_userpurge = atoi(migr_chardata);
668         else if (!strcasecmp(el, "c_roompurge"))                config.c_roompurge = atoi(migr_chardata);
669         else if (!strcasecmp(el, "c_logpages"))                 safestrncpy(config.c_logpages, migr_chardata, sizeof config.c_logpages);
670         else if (!strcasecmp(el, "c_createax"))                 config.c_createax = atoi(migr_chardata);
671         else if (!strcasecmp(el, "c_maxmsglen"))                config.c_maxmsglen = atol(migr_chardata);
672         else if (!strcasecmp(el, "c_min_workers"))              config.c_min_workers = atoi(migr_chardata);
673         else if (!strcasecmp(el, "c_max_workers"))              config.c_max_workers = atoi(migr_chardata);
674         else if (!strcasecmp(el, "c_pop3_port"))                config.c_pop3_port = atoi(migr_chardata);
675         else if (!strcasecmp(el, "c_smtp_port"))                config.c_smtp_port = atoi(migr_chardata);
676         else if (!strcasecmp(el, "c_rfc822_strict_from"))       config.c_rfc822_strict_from = atoi(migr_chardata);
677         else if (!strcasecmp(el, "c_aide_zap"))                 config.c_aide_zap = atoi(migr_chardata);
678         else if (!strcasecmp(el, "c_imap_port"))                config.c_imap_port = atoi(migr_chardata);
679         else if (!strcasecmp(el, "c_net_freq"))                 config.c_net_freq = atol(migr_chardata);
680         else if (!strcasecmp(el, "c_disable_newu"))             config.c_disable_newu = atoi(migr_chardata);
681         else if (!strcasecmp(el, "c_enable_fulltext"))          config.c_enable_fulltext = atoi(migr_chardata);
682         else if (!strcasecmp(el, "c_baseroom"))                 safestrncpy(config.c_baseroom, migr_chardata, sizeof config.c_baseroom);
683         else if (!strcasecmp(el, "c_aideroom"))                 safestrncpy(config.c_aideroom, migr_chardata, sizeof config.c_aideroom);
684         else if (!strcasecmp(el, "c_purge_hour"))               config.c_purge_hour = atoi(migr_chardata);
685         else if (!strcasecmp(el, "c_mbxep_expire_mode"))        config.c_mbxep.expire_mode = atoi(migr_chardata);
686         else if (!strcasecmp(el, "c_mbxep_expire_value"))       config.c_mbxep.expire_value = atoi(migr_chardata);
687         else if (!strcasecmp(el, "c_ldap_host"))                safestrncpy(config.c_ldap_host, migr_chardata, sizeof config.c_ldap_host);
688         else if (!strcasecmp(el, "c_ldap_port"))                config.c_ldap_port = atoi(migr_chardata);
689         else if (!strcasecmp(el, "c_ldap_base_dn"))             safestrncpy(config.c_ldap_base_dn, migr_chardata, sizeof config.c_ldap_base_dn);
690         else if (!strcasecmp(el, "c_ldap_bind_dn"))             safestrncpy(config.c_ldap_bind_dn, migr_chardata, sizeof config.c_ldap_bind_dn);
691         else if (!strcasecmp(el, "c_ldap_bind_pw"))             safestrncpy(config.c_ldap_bind_pw, migr_chardata, sizeof config.c_ldap_bind_pw);
692         else if (!strcasecmp(el, "c_msa_port"))                 config.c_msa_port = atoi(migr_chardata);
693         else if (!strcasecmp(el, "c_imaps_port"))               config.c_imaps_port = atoi(migr_chardata);
694         else if (!strcasecmp(el, "c_pop3s_port"))               config.c_pop3s_port = atoi(migr_chardata);
695         else if (!strcasecmp(el, "c_smtps_port"))               config.c_smtps_port = atoi(migr_chardata);
696         else if (!strcasecmp(el, "c_auto_cull"))                config.c_auto_cull = atoi(migr_chardata);
697         else if (!strcasecmp(el, "c_instant_expunge"))          config.c_instant_expunge = atoi(migr_chardata);
698         else if (!strcasecmp(el, "c_allow_spoofing"))           config.c_allow_spoofing = atoi(migr_chardata);
699         else if (!strcasecmp(el, "c_journal_email"))            config.c_journal_email = atoi(migr_chardata);
700         else if (!strcasecmp(el, "c_journal_pubmsgs"))          config.c_journal_pubmsgs = atoi(migr_chardata);
701         else if (!strcasecmp(el, "c_journal_dest"))             safestrncpy(config.c_journal_dest, migr_chardata, sizeof config.c_journal_dest);
702         else if (!strcasecmp(el, "c_default_cal_zone"))         safestrncpy(config.c_default_cal_zone, migr_chardata, sizeof config.c_default_cal_zone);
703         else if (!strcasecmp(el, "c_pftcpdict_port"))           config.c_pftcpdict_port = atoi(migr_chardata);
704         else if (!strcasecmp(el, "c_managesieve_port"))         config.c_managesieve_port = atoi(migr_chardata);
705         else if (!strcasecmp(el, "c_auth_mode"))                config.c_auth_mode = atoi(migr_chardata);
706         else if (!strcasecmp(el, "c_funambol_host"))            safestrncpy(config.c_funambol_host, migr_chardata, sizeof config.c_funambol_host);
707         else if (!strcasecmp(el, "c_funambol_port"))            config.c_funambol_port = atoi(migr_chardata);
708         else if (!strcasecmp(el, "c_funambol_source"))          safestrncpy(config.c_funambol_source, migr_chardata, sizeof config.c_funambol_source);
709         else if (!strcasecmp(el, "c_funambol_auth"))            safestrncpy(config.c_funambol_auth, migr_chardata, sizeof config.c_funambol_auth);
710         else if (!strcasecmp(el, "c_rbl_at_greeting"))          config.c_rbl_at_greeting = atoi(migr_chardata);
711         else if (!strcasecmp(el, "c_master_user"))              safestrncpy(config.c_master_user, migr_chardata, sizeof config.c_master_user);
712         else if (!strcasecmp(el, "c_master_pass"))              safestrncpy(config.c_master_pass, migr_chardata, sizeof config.c_master_pass);
713         else if (!strcasecmp(el, "c_pager_program"))            safestrncpy(config.c_pager_program, migr_chardata, sizeof config.c_pager_program);
714         else if (!strcasecmp(el, "c_imap_keep_from"))           config.c_imap_keep_from = atoi(migr_chardata);
715         else if (!strcasecmp(el, "c_xmpp_c2s_port"))            config.c_xmpp_c2s_port = atoi(migr_chardata);
716         else if (!strcasecmp(el, "c_xmpp_s2s_port"))            config.c_xmpp_s2s_port = atoi(migr_chardata);
717         else if (!strcasecmp(el, "c_pop3_fetch"))               config.c_pop3_fetch = atol(migr_chardata);
718         else if (!strcasecmp(el, "c_pop3_fastest"))             config.c_pop3_fastest = atol(migr_chardata);
719         else if (!strcasecmp(el, "c_spam_flag_only"))           config.c_spam_flag_only = atoi(migr_chardata);
720
721         /*** CONTROL ***/
722
723         else if (!strcasecmp(el, "control_highest"))            CitControl.MMhighest = atol(migr_chardata);
724         else if (!strcasecmp(el, "control_flags"))              CitControl.MMflags = atoi(migr_chardata);
725         else if (!strcasecmp(el, "control_nextuser"))           CitControl.MMnextuser = atol(migr_chardata);
726         else if (!strcasecmp(el, "control_nextroom"))           CitControl.MMnextroom = atol(migr_chardata);
727         else if (!strcasecmp(el, "control_version"))            CitControl.version = atoi(migr_chardata);
728
729         else if (!strcasecmp(el, "control")) {
730                 CitControl.MMfulltext = (-1L);  /* always flush */
731                 put_control();
732                 syslog(LOG_INFO, "Completed import of control record\n");
733         }
734
735         /*** USER ***/
736
737         else if (!strcasecmp(el, "u_version"))                  usbuf.version = atoi(migr_chardata);
738         else if (!strcasecmp(el, "u_uid"))                      usbuf.uid = atol(migr_chardata);
739         else if (!strcasecmp(el, "u_password"))                 safestrncpy(usbuf.password, migr_chardata, sizeof usbuf.password);
740         else if (!strcasecmp(el, "u_flags"))                    usbuf.flags = atoi(migr_chardata);
741         else if (!strcasecmp(el, "u_timescalled"))              usbuf.timescalled = atol(migr_chardata);
742         else if (!strcasecmp(el, "u_posted"))                   usbuf.posted = atol(migr_chardata);
743         else if (!strcasecmp(el, "u_axlevel"))                  usbuf.axlevel = atoi(migr_chardata);
744         else if (!strcasecmp(el, "u_usernum"))                  usbuf.usernum = atol(migr_chardata);
745         else if (!strcasecmp(el, "u_lastcall"))                 usbuf.lastcall = atol(migr_chardata);
746         else if (!strcasecmp(el, "u_USuserpurge"))              usbuf.USuserpurge = atoi(migr_chardata);
747         else if (!strcasecmp(el, "u_fullname"))                 safestrncpy(usbuf.fullname, migr_chardata, sizeof usbuf.fullname);
748
749         else if (!strcasecmp(el, "user")) {
750                 CtdlPutUser(&usbuf);
751                 syslog(LOG_INFO, "Imported user: %s\n", usbuf.fullname);
752         }
753
754         /*** OPENID ***/
755
756         else if (!strcasecmp(el, "oid_url"))                    safestrncpy(openid_url, migr_chardata, sizeof openid_url);
757         else if (!strcasecmp(el, "oid_usernum"))                openid_usernum = atol(migr_chardata);
758
759         else if (!strcasecmp(el, "openid")) {                   /* see serv_openid_rp.c for a description of the record format */
760                 char *oid_data;
761                 int oid_data_len;
762                 oid_data_len = sizeof(long) + strlen(openid_url) + 1;
763                 oid_data = malloc(oid_data_len);
764                 memcpy(oid_data, &openid_usernum, sizeof(long));
765                 memcpy(&oid_data[sizeof(long)], openid_url, strlen(openid_url) + 1);
766                 cdb_store(CDB_OPENID, openid_url, strlen(openid_url), oid_data, oid_data_len);
767                 free(oid_data);
768                 syslog(LOG_INFO, "Imported OpenID: %s (%ld)\n", openid_url, openid_usernum);
769         }
770
771         /*** ROOM ***/
772
773         else if (!strcasecmp(el, "QRname"))                     safestrncpy(qrbuf.QRname, migr_chardata, sizeof qrbuf.QRname);
774         else if (!strcasecmp(el, "QRpasswd"))                   safestrncpy(qrbuf.QRpasswd, migr_chardata, sizeof qrbuf.QRpasswd);
775         else if (!strcasecmp(el, "QRroomaide"))                 qrbuf.QRroomaide = atol(migr_chardata);
776         else if (!strcasecmp(el, "QRhighest"))                  qrbuf.QRhighest = atol(migr_chardata);
777         else if (!strcasecmp(el, "QRgen"))                      qrbuf.QRgen = atol(migr_chardata);
778         else if (!strcasecmp(el, "QRflags"))                    qrbuf.QRflags = atoi(migr_chardata);
779         else if (!strcasecmp(el, "QRdirname"))                  safestrncpy(qrbuf.QRdirname, migr_chardata, sizeof qrbuf.QRdirname);
780         else if (!strcasecmp(el, "QRinfo"))                     qrbuf.QRinfo = atol(migr_chardata);
781         else if (!strcasecmp(el, "QRfloor"))                    qrbuf.QRfloor = atoi(migr_chardata);
782         else if (!strcasecmp(el, "QRmtime"))                    qrbuf.QRmtime = atol(migr_chardata);
783         else if (!strcasecmp(el, "QRexpire_mode"))              qrbuf.QRep.expire_mode = atoi(migr_chardata);
784         else if (!strcasecmp(el, "QRexpire_value"))             qrbuf.QRep.expire_value = atoi(migr_chardata);
785         else if (!strcasecmp(el, "QRnumber"))                   qrbuf.QRnumber = atol(migr_chardata);
786         else if (!strcasecmp(el, "QRorder"))                    qrbuf.QRorder = atoi(migr_chardata);
787         else if (!strcasecmp(el, "QRflags2"))                   qrbuf.QRflags2 = atoi(migr_chardata);
788         else if (!strcasecmp(el, "QRdefaultview"))              qrbuf.QRdefaultview = atoi(migr_chardata);
789
790         else if (!strcasecmp(el, "room")) {
791                 CtdlPutRoom(&qrbuf);
792                 syslog(LOG_INFO, "Imported room: %s\n", qrbuf.QRname);
793         }
794
795         /*** ROOM MESSAGE POINTERS ***/
796
797         else if (!strcasecmp(el, "FRname"))                     safestrncpy(FRname, migr_chardata, sizeof FRname);
798
799         else if (!strcasecmp(el, "FRmsglist")) {
800                 if (!IsEmptyStr(FRname)) {
801                         msgcount = 0;
802                         msglist_alloc = 1000;
803                         msglist = malloc(sizeof(long) * msglist_alloc);
804
805                         syslog(LOG_DEBUG, "Message list for: %s\n", FRname);
806
807                         ptr = migr_chardata;
808                         while (*ptr != 0) {
809                                 while ((*ptr != 0) && (!isdigit(*ptr))) {
810                                         ++ptr;
811                                 }
812                                 if ((*ptr != 0) && (isdigit(*ptr))) {
813                                         msgnum = atol(ptr);
814                                         if (msgnum > 0L) {
815                                                 if (msgcount >= msglist_alloc) {
816                                                         msglist_alloc *= 2;
817                                                         msglist = realloc(msglist, sizeof(long) * msglist_alloc);
818                                                 }
819                                                 msglist[msgcount++] = msgnum;
820                                                 }
821                                         }
822                                         while ((*ptr != 0) && (isdigit(*ptr))) {
823                                                 ++ptr;
824                                         }
825                                 }
826                         }
827                         if (msgcount > 0) {
828                                 CtdlSaveMsgPointersInRoom(FRname, msglist, msgcount, 0, NULL, 1);
829                         }
830                         free(msglist);
831                         msglist = NULL;
832                         msglist_alloc = 0;
833                         syslog(LOG_DEBUG, "Imported %d messages.\n", msgcount);
834                         if (server_shutting_down) {
835                                 return;
836                 }
837         }
838
839         /*** FLOORS ***/
840
841         else if (!strcasecmp(el, "f_num"))                      floornum = atoi(migr_chardata);
842         else if (!strcasecmp(el, "f_flags"))                    flbuf.f_flags = atoi(migr_chardata);
843         else if (!strcasecmp(el, "f_name"))                     safestrncpy(flbuf.f_name, migr_chardata, sizeof flbuf.f_name);
844         else if (!strcasecmp(el, "f_ref_count"))                flbuf.f_ref_count = atoi(migr_chardata);
845         else if (!strcasecmp(el, "f_ep_expire_mode"))           flbuf.f_ep.expire_mode = atoi(migr_chardata);
846         else if (!strcasecmp(el, "f_ep_expire_value"))          flbuf.f_ep.expire_value = atoi(migr_chardata);
847
848         else if (!strcasecmp(el, "floor")) {
849                 CtdlPutFloor(&flbuf, floornum);
850                 syslog(LOG_INFO, "Imported floor #%d (%s)\n", floornum, flbuf.f_name);
851         }
852
853         /*** VISITS ***/
854
855         else if (!strcasecmp(el, "v_roomnum"))                  vbuf.v_roomnum = atol(migr_chardata);
856         else if (!strcasecmp(el, "v_roomgen"))                  vbuf.v_roomgen = atol(migr_chardata);
857         else if (!strcasecmp(el, "v_usernum"))                  vbuf.v_usernum = atol(migr_chardata);
858
859         else if (!strcasecmp(el, "v_seen")) {
860                 vbuf.v_lastseen = atol(migr_chardata);
861                 is_textual_seen = 0;
862                 for (i=0; migr_chardata[i]; ++i) if (!isdigit(migr_chardata[i])) is_textual_seen = 1;
863                 if (is_textual_seen)                            safestrncpy(vbuf.v_seen, migr_chardata, sizeof vbuf.v_seen);
864         }
865
866         else if (!strcasecmp(el, "v_answered"))                 safestrncpy(vbuf.v_answered, migr_chardata, sizeof vbuf.v_answered);
867         else if (!strcasecmp(el, "v_flags"))                    vbuf.v_flags = atoi(migr_chardata);
868         else if (!strcasecmp(el, "v_view"))                     vbuf.v_view = atoi(migr_chardata);
869
870         else if (!strcasecmp(el, "visit")) {
871                 put_visit(&vbuf);
872                 syslog(LOG_INFO, "Imported visit: %ld/%ld/%ld\n", vbuf.v_roomnum, vbuf.v_roomgen, vbuf.v_usernum);
873         }
874
875         /*** MESSAGES ***/
876
877         else if (!strcasecmp(el, "msg_msgnum"))                 import_msgnum = atol(migr_chardata);
878         else if (!strcasecmp(el, "msg_meta_refcount"))          smi.meta_refcount = atoi(migr_chardata);
879         else if (!strcasecmp(el, "msg_meta_content_type"))      safestrncpy(smi.meta_content_type, migr_chardata, sizeof smi.meta_content_type);
880
881         else if (!strcasecmp(el, "msg_text")) {
882                 if (decoded_msg != NULL) {
883                         free(decoded_msg);
884                 }
885                 len = strlen(migr_chardata);
886                 decoded_msg = malloc(len);
887                 msglen = CtdlDecodeBase64(decoded_msg, migr_chardata, len);
888                 cdb_store(CDB_MSGMAIN, &import_msgnum, sizeof(long), decoded_msg, msglen);
889                 free(decoded_msg);
890                 decoded_msg = NULL;
891                 PutMetaData(&smi);
892                 syslog(LOG_INFO, "Imported message #%ld, size=%ld, refcount=%d, content-type: %s\n",
893                         import_msgnum, msglen, smi.meta_refcount, smi.meta_content_type);
894         }
895
896         /*** MORE GENERAL STUFF ***/
897
898         if (migr_chardata != NULL) {
899                 free(migr_chardata);
900                 migr_chardata = NULL;
901                 migr_chardata_len = 0;
902         }
903 }
904
905
906
907
908 /*
909  * Import begins here
910  */
911 void migr_do_import(void) {
912         char buf[SIZ];
913         XML_Parser xp;
914         int linelen;
915         
916         unbuffer_output();
917
918         xp = XML_ParserCreate(NULL);
919         if (!xp) {
920                 cprintf("%d Failed to create XML parser instance\n", ERROR+INTERNAL_ERROR);
921                 return;
922         }
923         XML_SetElementHandler(xp, migr_xml_start, migr_xml_end);
924         XML_SetCharacterDataHandler(xp, migr_xml_chardata);
925
926         CC->dont_term = 1;
927
928         cprintf("%d sock it to me\n", SEND_LISTING);
929         unbuffer_output();
930
931         while (client_getln(buf, sizeof buf) >= 0 && strcmp(buf, "000")) {
932                 linelen = strlen(buf);
933                 strcpy(&buf[linelen++], "\n");
934
935                 if (server_shutting_down)
936                         break;  // Should we break or return?
937                 
938                 if (buf[0] == '\0')
939                         continue;
940
941                 XML_Parse(xp, buf, linelen, 0);
942         }
943
944         XML_Parse(xp, "", 0, 1);
945         XML_ParserFree(xp);
946         
947         rebuild_euid_index();
948         rebuild_usersbynumber();
949         CC->dont_term = 0;
950 }
951
952
953
954 /*
955  * Dump out the pathnames of directories which can be copied "as is"
956  */
957 void migr_do_listdirs(void) {
958         cprintf("%d Don't forget these:\n", LISTING_FOLLOWS);
959         cprintf("bio|%s\n",             ctdl_bio_dir);
960         cprintf("files|%s\n",           ctdl_file_dir);
961         cprintf("userpics|%s\n",        ctdl_usrpic_dir);
962         cprintf("messages|%s\n",        ctdl_message_dir);
963         cprintf("netconfigs|%s\n",      ctdl_netcfg_dir);
964         cprintf("keys|%s\n",            ctdl_key_dir);
965         cprintf("images|%s\n",          ctdl_image_dir);
966         cprintf("info|%s\n",            ctdl_info_dir);
967         cprintf("000\n");
968 }
969
970
971 /*
972  * Common code appears in this section
973  */
974
975
976 void cmd_migr(char *cmdbuf) {
977         char cmd[32];
978         
979         if (CtdlAccessCheck(ac_internal)) return;
980         
981         if (CtdlTrySingleUser())
982         {
983                 CtdlMakeTempFileName(migr_tempfilename1, sizeof migr_tempfilename1);
984                 CtdlMakeTempFileName(migr_tempfilename2, sizeof migr_tempfilename2);
985
986                 extract_token(cmd, cmdbuf, 0, '|', sizeof cmd);
987                 if (!strcasecmp(cmd, "export")) {
988                         migr_do_export();
989                 }
990                 else if (!strcasecmp(cmd, "import")) {
991                         migr_do_import();
992                 }
993                 else if (!strcasecmp(cmd, "listdirs")) {
994                         migr_do_listdirs();
995                 }
996                 else {
997                         cprintf("%d illegal command\n", ERROR + ILLEGAL_VALUE);
998                 }
999
1000                 unlink(migr_tempfilename1);
1001                 unlink(migr_tempfilename2);
1002                 
1003                 CtdlEndSingleUser();
1004         }
1005         else
1006         {
1007                 cprintf("%d The migrator is already running.\n", ERROR + RESOURCE_BUSY);
1008         }
1009 }
1010
1011
1012 CTDL_MODULE_INIT(migrate)
1013 {
1014         if (!threading)
1015         {
1016                 CtdlRegisterProtoHook(cmd_migr, "MIGR", "Across-the-wire migration");
1017                 CtdlRegisterProtoHook(cmd_migr, "ARTV", "Across-the-wire migration (legacy syntax)");
1018         }
1019         
1020         /* return our Subversion id for the Log */
1021         return "migrate";
1022 }