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