1 // Transparently handle the upgrading of server data formats. If we see
2 // an existing version number of our database, we can make some intelligent
3 // guesses about what kind of data format changes need to be applied, and
4 // we apply them transparently.
6 // Copyright (c) 1987-2022 by the citadel.org team
8 // This program is open source software; you can redistribute it and/or
9 // modify it under the terms of the GNU General Public License version 3.
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.
16 #include "../../sysdep.h"
24 #include <sys/types.h>
29 #include <libcitadel.h>
30 #include "../../citadel_defs.h"
31 #include "../../server.h"
32 #include "../../citserver.h"
33 #include "../../support.h"
34 #include "../../config.h"
35 #include "../../control.h"
36 #include "../../database.h"
37 #include "../../user_ops.h"
38 #include "../../msgbase.h"
39 #include "serv_upgrade.h"
40 #include "../../euidindex.h"
41 #include "../../ctdl_module.h"
42 #include "../../serv_vcard.h"
43 #include "../../internet_addressing.h"
45 // oldver is the version number of Citadel Server which was active on the previous run of the program, learned from the system configuration.
46 // If we are running a new Citadel Server for the first time, oldver will be 0.
47 // We keep this value around for the entire duration of the program run because we'll need it during several stages of startup.
50 // Try to remove any extra users with number 0
51 void fix_sys_user_name(void) {
52 struct ctdluser usbuf;
53 char usernamekey[USERNAME_SIZE];
55 while (CtdlGetUserByNumber(&usbuf, 0) == 0) {
56 // delete user with number 0 and no name
57 if (IsEmptyStr(usbuf.fullname)) {
58 cdb_delete(CDB_USERS, "", 0);
61 // temporarily set this user to -1
67 // Delete any "user 0" accounts
68 while (CtdlGetUserByNumber(&usbuf, -1) == 0) {
69 makeuserkey(usernamekey, usbuf.fullname);
70 cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
75 // Back end processing function for reindex_uids()
76 void reindex_uids_backend(char *username, void *data) {
80 if (CtdlGetUserLock(&us, username) == 0) {
81 syslog(LOG_DEBUG, "Processing <%s> (%d)", us.fullname, us.uid);
82 if (us.uid == CTDLUID) {
83 us.uid = NATIVE_AUTH_UID;
90 // Build extauth index of all users with uid-based join (system auth, LDAP auth)
91 // Also changes all users with a uid of CTDLUID to NATIVE_AUTH_UID (-1)
92 void reindex_uids(void) {
93 syslog(LOG_WARNING, "upgrade: reindexing and applying uid changes");
94 ForEachUser(reindex_uids_backend, NULL);
99 // These accounts may have been created by code that ran between mid 2008 and early 2011.
100 // If present they are no longer in use and may be deleted.
101 void remove_thread_users(void) {
102 char *deleteusers[] = {
111 "SYS_select_on_master",
116 struct ctdluser usbuf;
117 for (i=0; i<(sizeof(deleteusers)/sizeof(char *)); ++i) {
118 if (CtdlGetUser(&usbuf, deleteusers[i]) == 0) {
120 strcpy(usbuf.password, "deleteme");
123 "System user account <%s> is no longer in use and will be deleted.",
131 // Attempt to guess the name of the time zone currently in use
132 // on the underlying host system.
133 void guess_time_zone(void) {
137 fp = popen(file_guesstimezone, "r");
139 if (fgets(buf, sizeof buf, fp) && (strlen(buf) > 2)) {
140 buf[strlen(buf)-1] = 0;
141 CtdlSetConfigStr("c_default_cal_zone", buf);
142 syslog(LOG_INFO, "Configuring timezone: %s", buf);
149 // Per-room callback function for ingest_old_roominfo_and_roompic_files()
150 // This is the second pass, where we process the list of rooms with info or pic files.
151 void iorarf_oneroom(char *roomname, char *infofile, char *picfile) {
154 char *unencoded_data;
156 long info_msgnum = 0;
160 // Test for the presence of a legacy "room info file"
161 if (!IsEmptyStr(infofile)) {
162 fp = fopen(infofile, "r");
168 fseek(fp, 0, SEEK_END);
169 data_length = ftell(fp);
171 if (data_length >= 1) {
173 unencoded_data = malloc(data_length);
174 if (unencoded_data) {
175 fread(unencoded_data, data_length, 1, fp);
176 encoded_data = malloc((data_length * 2) + 100);
178 sprintf(encoded_data, "Content-type: text/plain\nContent-transfer-encoding: base64\n\n");
179 CtdlEncodeBase64(&encoded_data[strlen(encoded_data)], unencoded_data, data_length, BASE64_YES_LINEBREAKS);
180 snprintf(subject, sizeof subject, "Imported room banner for %s", roomname);
181 info_msgnum = quickie_message("Citadel", NULL, NULL, SYSCONFIGROOM, encoded_data, FMT_RFC822, subject);
184 free(unencoded_data);
188 if (info_msgnum > 0) unlink(infofile);
191 // Test for the presence of a legacy "room picture file" and import it.
192 if (!IsEmptyStr(picfile)) {
193 fp = fopen(picfile, "r");
199 fseek(fp, 0, SEEK_END);
200 data_length = ftell(fp);
202 if (data_length >= 1) {
204 unencoded_data = malloc(data_length);
205 if (unencoded_data) {
206 fread(unencoded_data, data_length, 1, fp);
207 encoded_data = malloc((data_length * 2) + 100);
209 sprintf(encoded_data, "Content-type: image/gif\nContent-transfer-encoding: base64\n\n");
210 CtdlEncodeBase64(&encoded_data[strlen(encoded_data)], unencoded_data, data_length, BASE64_YES_LINEBREAKS);
211 snprintf(subject, sizeof subject, "Imported room icon for %s", roomname);
212 pic_msgnum = quickie_message("Citadel", NULL, NULL, SYSCONFIGROOM, encoded_data, FMT_RFC822, subject);
215 free(unencoded_data);
219 if (pic_msgnum > 0) unlink(picfile);
222 // Now we have the message numbers of our new banner and icon. Record them in the room record.
223 // NOTE: we are not deleting the old msgnum_info because that position in the record was previously
224 // a pointer to the highest message number which existed in the room when the info file was saved,
225 // and we don't want to delete messages that are not *actually* old banners.
226 struct ctdlroom qrbuf;
227 if (CtdlGetRoomLock(&qrbuf, roomname) == 0) {
228 qrbuf.msgnum_info = info_msgnum;
229 qrbuf.msgnum_pic = pic_msgnum;
230 CtdlPutRoomLock(&qrbuf);
237 struct iorarf_list *next;
238 char name[ROOMNAMELEN];
244 // Per-room callback function for ingest_old_roominfo_and_roompic_files()
245 // This is the first pass, where the list of qualifying rooms is gathered.
246 void iorarf_backend(struct ctdlroom *qrbuf, void *data) {
248 struct iorarf_list **iorarf_list = (struct iorarf_list **)data;
250 struct iorarf_list *i = malloc(sizeof(struct iorarf_list));
251 i->next = *iorarf_list;
252 strcpy(i->name, qrbuf->QRname);
256 // Test for the presence of a legacy "room info file"
257 assoc_file_name(i->info, sizeof i->info, qrbuf, ctdl_info_dir);
258 fp = fopen(i->info, "r");
266 // Test for the presence of a legacy "room picture file"
267 assoc_file_name(i->pic, sizeof i->pic, qrbuf, ctdl_image_dir);
268 fp = fopen(i->pic, "r");
276 if ( (!IsEmptyStr(i->info)) || (!IsEmptyStr(i->pic)) ) {
285 // Prior to Citadel Server version 902, room info and pictures (which comprise the
286 // displayed banner for each room) were stored in the filesystem. If we are upgrading
287 // from version >000 to version >=902, ingest those files into the database.
288 void ingest_old_roominfo_and_roompic_files(void) {
289 struct iorarf_list *il = NULL;
291 CtdlForEachRoom(iorarf_backend, &il);
293 struct iorarf_list *p;
295 iorarf_oneroom(il->name, il->info, il->pic);
301 unlink(ctdl_info_dir);
305 // For upgrades in which a new config setting appears for the first time, set default values.
306 // For new installations (oldver == 0) also set default values.
307 void update_config(void) {
310 CtdlSetConfigInt("c_rfc822_strict_from", 0);
314 CtdlSetConfigInt("c_purge_hour", 3);
318 CtdlSetConfigInt("c_ldap_port", 389);
322 CtdlSetConfigStr("c_ip_addr", "*");
326 CtdlSetConfigInt("c_enable_fulltext", 1);
330 CtdlSetConfigInt("c_auto_cull", 1);
334 CtdlSetConfigInt("c_xmpp_c2s_port", 5222);
335 CtdlSetConfigInt("c_xmpp_s2s_port", 5269);
339 CtdlSetConfigInt("c_nntp_port", 119);
340 CtdlSetConfigInt("c_nntps_port", 563);
343 if (IsEmptyStr(CtdlGetConfigStr("c_default_cal_zone"))) {
349 // Helper function for move_inet_addrs_from_vcards_to_user_records()
351 // Call this function as a ForEachUser backend in order to queue up
352 // user names, or call it with a null user to make it do the processing.
353 // This allows us to maintain the list as a static instead of passing
355 void miafvtur_backend(char *username, void *data) {
356 struct ctdluser usbuf;
357 char primary_inet_email[512] = { 0 };
358 char other_inet_emails[512] = { 0 };
359 char combined_inet_emails[512] = { 0 };
361 if (CtdlGetUser(&usbuf, username) != 0) {
365 struct vCard *v = vcard_get_user(&usbuf);
367 extract_inet_email_addrs(primary_inet_email, sizeof primary_inet_email, other_inet_emails, sizeof other_inet_emails, v, 1);
370 if ( (IsEmptyStr(primary_inet_email)) && (IsEmptyStr(other_inet_emails)) ) {
374 snprintf(combined_inet_emails, 512, "%s%s%s",
375 (!IsEmptyStr(primary_inet_email) ? primary_inet_email : ""),
376 ((!IsEmptyStr(primary_inet_email)&&(!IsEmptyStr(other_inet_emails))) ? "|" : ""),
377 (!IsEmptyStr(other_inet_emails) ? other_inet_emails : "")
380 CtdlSetEmailAddressesForUser(usbuf.fullname, combined_inet_emails);
384 // If our system still has a "refcount_adjustments.dat" sitting around from an old version, ingest it now.
385 int ProcessOldStyleAdjRefCountQueue(void) {
388 struct arcq arcq_rec;
389 int num_records_processed = 0;
391 fp = fopen(file_arcq, "rb");
393 return(num_records_processed);
396 syslog(LOG_INFO, "msgbase: ingesting %s", file_arcq);
398 while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
399 AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
400 ++num_records_processed;
404 r = unlink(file_arcq);
406 syslog(LOG_ERR, "%s: %m", file_arcq);
409 return(num_records_processed);
413 // Prior to version 912 we kept a user's various Internet email addresses in their vCards.
414 // This function moves them over to the user record, which is where we keep them now.
415 void move_inet_addrs_from_vcards_to_user_records(void) {
416 ForEachUser(miafvtur_backend, NULL);
417 CtdlRebuildDirectoryIndex();
421 // We found the legacy sieve config in the user's config room. Store the message number in the user record.
422 void mifm_found_config(long msgnum, void *userdata) {
423 struct ctdluser *us = (struct ctdluser *)userdata;
425 us->msgnum_inboxrules = msgnum;
426 syslog(LOG_DEBUG, "user: <%s> inbox filter msgnum: <%ld>", us->fullname, us->msgnum_inboxrules);
430 // Helper function for migrate_inbox_filter_msgnums()
431 void mifm_backend(char *username, void *data) {
433 char roomname[ROOMNAMELEN];
435 if (CtdlGetUserLock(&us, username) == 0) {
436 // Take a spin through the user's personal config room
437 syslog(LOG_DEBUG, "Processing <%s> (%ld)", us.fullname, us.usernum);
438 snprintf(roomname, sizeof roomname, "%010ld.%s", us.usernum, USERCONFIGROOM);
439 if (CtdlGetRoom(&CC->room, roomname) == 0) {
440 CtdlForEachMessage(MSGS_LAST, 1, NULL, SIEVECONFIG, NULL, mifm_found_config, (void *)&us );
442 CtdlPutUserLock(&us);
447 // Prior to version 930 we used a MIME type search to locate the user's inbox filter rules.
448 // This function locates those ruleset messages and simply stores the message number in the user record.
449 void migrate_inbox_filter_msgnums(void) {
450 ForEachUser(mifm_backend, NULL);
454 // Create a default administrator account so we can log in to a new installation
455 void create_default_admin_account(void) {
456 struct ctdluser usbuf;
458 create_user(DEFAULT_ADMIN_USERNAME, CREATE_USER_DO_NOT_BECOME_USER, (-1));
459 CtdlGetUser(&usbuf, DEFAULT_ADMIN_USERNAME);
460 safestrncpy(usbuf.password, DEFAULT_ADMIN_PASSWORD, sizeof(usbuf.password));
461 usbuf.axlevel = AxAideU;
463 CtdlSetConfigStr("c_sysadm", DEFAULT_ADMIN_USERNAME);
467 // Based on the server version number reported by the existing database,
468 // run in-place data format upgrades until everything is up to date.
469 void pre_startup_upgrades(void) {
471 oldver = CtdlGetConfigInt("MM_hosted_upgrade_level");
472 syslog(LOG_INFO, "Existing database version on disk is %d", oldver);
475 if (oldver < REV_LEVEL) {
476 syslog(LOG_WARNING, "Running pre-startup database upgrades.");
482 if ((oldver > 000) && (oldver < 591)) {
483 syslog(LOG_EMERG, "This database is too old to be upgraded. Citadel server will exit.");
486 if ((oldver > 000) && (oldver < 913)) {
489 if ((oldver > 000) && (oldver < 659)) {
490 rebuild_euid_index();
496 rebuild_usersbynumber();
499 remove_thread_users();
502 struct ctdlroom QRoom;
503 if (!CtdlGetRoom(&QRoom, SMTP_SPOOLOUT_ROOM)) {
504 QRoom.QRdefaultview = VIEW_QUEUE;
509 if ((oldver > 000) && (oldver < 902)) {
510 ingest_old_roominfo_and_roompic_files();
513 CtdlSetConfigInt("MM_hosted_upgrade_level", REV_LEVEL);
515 // Negative values for maxsessions are not allowed.
516 if (CtdlGetConfigInt("c_maxsessions") < 0) {
517 CtdlSetConfigInt("c_maxsessions", 0);
520 // We need a system default message expiry policy, because this is
521 // the top level and there's no 'higher' policy to fall back on.
522 // By default, do not expire messages at all.
523 if (CtdlGetConfigInt("c_ep_mode") == 0) {
524 CtdlSetConfigInt("c_ep_mode", EXPIRE_MANUAL);
525 CtdlSetConfigInt("c_ep_value", 0);
528 // If this is the first run on an empty database, create a default administrator
530 create_default_admin_account();
535 // Based on the server version number reported by the existing database,
536 // run in-place data format upgrades until everything is up to date.
537 void post_startup_upgrades(void) {
539 syslog(LOG_INFO, "Existing database version on disk is %d", oldver);
541 if (oldver < REV_LEVEL) {
542 syslog(LOG_WARNING, "Running post-startup database upgrades.");
548 if ((oldver > 000) && (oldver < 912)) {
549 move_inet_addrs_from_vcards_to_user_records();
552 if ((oldver > 000) && (oldver < 922)) {
553 ProcessOldStyleAdjRefCountQueue();
556 if ((oldver > 000) && (oldver < 930)) {
557 migrate_inbox_filter_msgnums();
563 // Initialization function, called from modules_init.c
564 char *ctdl_module_init_upgrade(void) {
566 post_startup_upgrades();
569 /* return our module name for the log */