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