This is an omnibus commit which moves the Citadel Server from crusty old GNU Autotool...
[citadel.git] / citadel / modules / upgrade / serv_upgrade.c
diff --git a/citadel/modules/upgrade/serv_upgrade.c b/citadel/modules/upgrade/serv_upgrade.c
deleted file mode 100644 (file)
index b961e41..0000000
+++ /dev/null
@@ -1,586 +0,0 @@
-// Transparently handle the upgrading of server data formats.  If we see
-// an existing version number of our database, we can make some intelligent
-// guesses about what kind of data format changes need to be applied, and
-// we apply them transparently.
-//
-// Copyright (c) 1987-2022 by the citadel.org team
-//
-// This program is open source software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License version 3.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <time.h>
-#include <sys/wait.h>
-#include <string.h>
-#include <limits.h>
-#include <libcitadel.h>
-#include "citadel.h"
-#include "server.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "control.h"
-#include "database.h"
-#include "user_ops.h"
-#include "msgbase.h"
-#include "serv_upgrade.h"
-#include "euidindex.h"
-#include "ctdl_module.h"
-#include "serv_vcard.h"
-#include "internet_addressing.h"
-
-// oldver is the version number of Citadel Server which was active on the previous run of the program, learned from the system configuration.
-// If we are running a new Citadel Server for the first time, oldver will be 0.
-// We keep this value around for the entire duration of the program run because we'll need it during several stages of startup.
-int oldver = 0;
-
-// Try to remove any extra users with number 0
-void fix_sys_user_name(void) {
-       struct ctdluser usbuf;
-       char usernamekey[USERNAME_SIZE];
-
-       while (CtdlGetUserByNumber(&usbuf, 0) == 0) {
-               // delete user with number 0 and no name
-               if (IsEmptyStr(usbuf.fullname)) {
-                       cdb_delete(CDB_USERS, "", 0);
-               }
-               else {
-                       // temporarily set this user to -1
-                       usbuf.usernum = -1;
-                       CtdlPutUser(&usbuf);
-               }
-       }
-
-       // Delete any "user 0" accounts
-       while (CtdlGetUserByNumber(&usbuf, -1) == 0) {
-               makeuserkey(usernamekey, usbuf.fullname);
-               cdb_delete(CDB_USERS, usernamekey, strlen(usernamekey));
-       }
-}
-
-
-// Back end processing function for reindex_uids()
-void reindex_uids_backend(char *username, void *data) {
-
-       struct ctdluser us;
-
-       if (CtdlGetUserLock(&us, username) == 0) {
-               syslog(LOG_DEBUG, "Processing <%s> (%d)", us.fullname, us.uid);
-               if (us.uid == CTDLUID) {
-                       us.uid = NATIVE_AUTH_UID;
-               }
-               CtdlPutUserLock(&us);
-               if ((us.uid > 0) && (us.uid != NATIVE_AUTH_UID)) {              // if non-native auth , index by uid
-                       StrBuf *claimed_id = NewStrBuf();
-                       StrBufPrintf(claimed_id, "uid:%d", us.uid);
-                       attach_extauth(&us, claimed_id);
-                       FreeStrBuf(&claimed_id);
-               }
-       }
-}
-
-
-// Build extauth index of all users with uid-based join (system auth, LDAP auth)
-// Also changes all users with a uid of CTDLUID to NATIVE_AUTH_UID (-1)
-void reindex_uids(void) {
-       syslog(LOG_WARNING, "upgrade: reindexing and applying uid changes");
-       ForEachUser(reindex_uids_backend, NULL);
-       return;
-}
-
-
-// These accounts may have been created by code that ran between mid 2008 and early 2011.
-// If present they are no longer in use and may be deleted.
-void remove_thread_users(void) {
-       char *deleteusers[] = {
-               "SYS_checkpoint",
-               "SYS_extnotify",
-               "SYS_IGnet Queue",
-               "SYS_indexer",
-               "SYS_network",
-               "SYS_popclient",
-               "SYS_purger",
-               "SYS_rssclient",
-               "SYS_select_on_master",
-               "SYS_SMTP Send"
-       };
-
-       int i;
-       struct ctdluser usbuf;
-       for (i=0; i<(sizeof(deleteusers)/sizeof(char *)); ++i) {
-               if (CtdlGetUser(&usbuf, deleteusers[i]) == 0) {
-                       usbuf.axlevel = 0;
-                       strcpy(usbuf.password, "deleteme");
-                       CtdlPutUser(&usbuf);
-                       syslog(LOG_INFO,
-                               "System user account <%s> is no longer in use and will be deleted.",
-                               deleteusers[i]
-                       );
-               }
-       }
-}
-
-
-// Attempt to guess the name of the time zone currently in use
-// on the underlying host system.
-void guess_time_zone(void) {
-       FILE *fp;
-       char buf[PATH_MAX];
-
-       fp = popen(file_guesstimezone, "r");
-       if (fp) {
-               if (fgets(buf, sizeof buf, fp) && (strlen(buf) > 2)) {
-                       buf[strlen(buf)-1] = 0;
-                       CtdlSetConfigStr("c_default_cal_zone", buf);
-                       syslog(LOG_INFO, "Configuring timezone: %s", buf);
-               }
-               fclose(fp);
-       }
-}
-
-
-// Per-room callback function for ingest_old_roominfo_and_roompic_files()
-// This is the second pass, where we process the list of rooms with info or pic files.
-void iorarf_oneroom(char *roomname, char *infofile, char *picfile) {
-       FILE *fp;
-       long data_length;
-       char *unencoded_data;
-       char *encoded_data;
-       long info_msgnum = 0;
-       long pic_msgnum = 0;
-       char subject[SIZ];
-
-       // Test for the presence of a legacy "room info file"
-       if (!IsEmptyStr(infofile)) {
-               fp = fopen(infofile, "r");
-       }
-       else {
-               fp = NULL;
-       }
-       if (fp) {
-               fseek(fp, 0, SEEK_END);
-               data_length = ftell(fp);
-
-               if (data_length >= 1) {
-                       rewind(fp);
-                       unencoded_data = malloc(data_length);
-                       if (unencoded_data) {
-                               fread(unencoded_data, data_length, 1, fp);
-                               encoded_data = malloc((data_length * 2) + 100);
-                               if (encoded_data) {
-                                       sprintf(encoded_data, "Content-type: text/plain\nContent-transfer-encoding: base64\n\n");
-                                       CtdlEncodeBase64(&encoded_data[strlen(encoded_data)], unencoded_data, data_length, 1);
-                                       snprintf(subject, sizeof subject, "Imported room banner for %s", roomname);
-                                       info_msgnum = quickie_message("Citadel", NULL, NULL, SYSCONFIGROOM, encoded_data, FMT_RFC822, subject);
-                                       free(encoded_data);
-                               }
-                               free(unencoded_data);
-                       }
-               }
-               fclose(fp);
-               if (info_msgnum > 0) unlink(infofile);
-       }
-
-       // Test for the presence of a legacy "room picture file" and import it.
-       if (!IsEmptyStr(picfile)) {
-               fp = fopen(picfile, "r");
-       }
-       else {
-               fp = NULL;
-       }
-       if (fp) {
-               fseek(fp, 0, SEEK_END);
-               data_length = ftell(fp);
-
-               if (data_length >= 1) {
-                       rewind(fp);
-                       unencoded_data = malloc(data_length);
-                       if (unencoded_data) {
-                               fread(unencoded_data, data_length, 1, fp);
-                               encoded_data = malloc((data_length * 2) + 100);
-                               if (encoded_data) {
-                                       sprintf(encoded_data, "Content-type: image/gif\nContent-transfer-encoding: base64\n\n");
-                                       CtdlEncodeBase64(&encoded_data[strlen(encoded_data)], unencoded_data, data_length, 1);
-                                       snprintf(subject, sizeof subject, "Imported room icon for %s", roomname);
-                                       pic_msgnum = quickie_message("Citadel", NULL, NULL, SYSCONFIGROOM, encoded_data, FMT_RFC822, subject);
-                                       free(encoded_data);
-                               }
-                               free(unencoded_data);
-                       }
-               }
-               fclose(fp);
-               if (pic_msgnum > 0) unlink(picfile);
-       }
-
-       // Now we have the message numbers of our new banner and icon.  Record them in the room record.
-       // NOTE: we are not deleting the old msgnum_info because that position in the record was previously
-       // a pointer to the highest message number which existed in the room when the info file was saved,
-       // and we don't want to delete messages that are not *actually* old banners.
-       struct ctdlroom qrbuf;
-       if (CtdlGetRoomLock(&qrbuf, roomname) == 0) {
-               qrbuf.msgnum_info = info_msgnum;
-               qrbuf.msgnum_pic = pic_msgnum;
-               CtdlPutRoomLock(&qrbuf);
-       }
-
-}
-
-
-struct iorarf_list {
-       struct iorarf_list *next;
-       char name[ROOMNAMELEN];
-       char info[PATH_MAX];
-       char pic[PATH_MAX];
-};
-
-
-// Per-room callback function for ingest_old_roominfo_and_roompic_files()
-// This is the first pass, where the list of qualifying rooms is gathered.
-void iorarf_backend(struct ctdlroom *qrbuf, void *data) {
-       FILE *fp;
-       struct iorarf_list **iorarf_list = (struct iorarf_list **)data;
-
-       struct iorarf_list *i = malloc(sizeof(struct iorarf_list));
-       i->next = *iorarf_list;
-       strcpy(i->name, qrbuf->QRname);
-       strcpy(i->info, "");
-       strcpy(i->pic, "");
-
-       // Test for the presence of a legacy "room info file"
-       assoc_file_name(i->info, sizeof i->info, qrbuf, ctdl_info_dir);
-       fp = fopen(i->info, "r");
-       if (fp) {
-               fclose(fp);
-       }
-       else {
-               i->info[0] = 0;
-       }
-
-       // Test for the presence of a legacy "room picture file"
-       assoc_file_name(i->pic, sizeof i->pic, qrbuf, ctdl_image_dir);
-       fp = fopen(i->pic, "r");
-       if (fp) {
-               fclose(fp);
-       }
-       else {
-               i->pic[0] = 0;
-       }
-
-       if ( (!IsEmptyStr(i->info)) || (!IsEmptyStr(i->pic)) ) {
-               *iorarf_list = i;
-       }
-       else {
-               free(i);
-       }
-}
-
-
-// Prior to Citadel Server version 902, room info and pictures (which comprise the
-// displayed banner for each room) were stored in the filesystem.  If we are upgrading
-// from version >000 to version >=902, ingest those files into the database.
-void ingest_old_roominfo_and_roompic_files(void) {
-       struct iorarf_list *il = NULL;
-
-       CtdlForEachRoom(iorarf_backend, &il);
-
-       struct iorarf_list *p;
-       while (il) {
-               iorarf_oneroom(il->name, il->info, il->pic);
-               p = il->next;
-               free(il);
-               il = p;
-       }
-
-       unlink(ctdl_info_dir);
-}
-
-
-// For upgrades in which a new config setting appears for the first time, set default values.
-// For new installations (oldver == 0) also set default values.
-void update_config(void) {
-
-       if (oldver < 606) {
-               CtdlSetConfigInt("c_rfc822_strict_from", 0);
-       }
-
-       if (oldver < 609) {
-               CtdlSetConfigInt("c_purge_hour", 3);
-       }
-
-       if (oldver < 615) {
-               CtdlSetConfigInt("c_ldap_port", 389);
-       }
-
-       if (oldver < 623) {
-               CtdlSetConfigStr("c_ip_addr", "*");
-       }
-
-       if (oldver < 650) {
-               CtdlSetConfigInt("c_enable_fulltext", 1);
-       }
-
-       if (oldver < 652) {
-               CtdlSetConfigInt("c_auto_cull", 1);
-       }
-
-       if (oldver < 725) {
-               CtdlSetConfigInt("c_xmpp_c2s_port", 5222);
-               CtdlSetConfigInt("c_xmpp_s2s_port", 5269);
-       }
-
-       if (oldver < 830) {
-               CtdlSetConfigInt("c_nntp_port", 119);
-               CtdlSetConfigInt("c_nntps_port", 563);
-       }
-
-       if (IsEmptyStr(CtdlGetConfigStr("c_default_cal_zone"))) {
-               guess_time_zone();
-       }
-}
-
-
-// Helper function for move_inet_addrs_from_vcards_to_user_records()
-//
-// Call this function as a ForEachUser backend in order to queue up
-// user names, or call it with a null user to make it do the processing.
-// This allows us to maintain the list as a static instead of passing
-// pointers around.
-void miafvtur_backend(char *username, void *data) {
-       struct ctdluser usbuf;
-       char primary_inet_email[512] = { 0 };
-       char other_inet_emails[512] = { 0 };
-       char combined_inet_emails[512] = { 0 };
-
-       if (CtdlGetUser(&usbuf, username) != 0) {
-               return;
-       }
-
-       struct vCard *v = vcard_get_user(&usbuf);
-       if (!v) return;
-       extract_inet_email_addrs(primary_inet_email, sizeof primary_inet_email, other_inet_emails, sizeof other_inet_emails, v, 1);
-       vcard_free(v);
-       
-       if ( (IsEmptyStr(primary_inet_email)) && (IsEmptyStr(other_inet_emails)) ) {
-               return;
-       }
-
-       snprintf(combined_inet_emails, 512, "%s%s%s",
-               (!IsEmptyStr(primary_inet_email) ? primary_inet_email : ""),
-               ((!IsEmptyStr(primary_inet_email)&&(!IsEmptyStr(other_inet_emails))) ? "|" : ""),
-               (!IsEmptyStr(other_inet_emails) ? other_inet_emails : "")
-       );
-
-       CtdlSetEmailAddressesForUser(usbuf.fullname, combined_inet_emails);
-}
-
-
-// If our system still has a "refcount_adjustments.dat" sitting around from an old version, ingest it now.
-int ProcessOldStyleAdjRefCountQueue(void) {
-       int r;
-       FILE *fp;
-       struct arcq arcq_rec;
-       int num_records_processed = 0;
-
-       fp = fopen(file_arcq, "rb");
-       if (fp == NULL) {
-               return(num_records_processed);
-       }
-
-       syslog(LOG_INFO, "msgbase: ingesting %s", file_arcq);
-
-       while (fread(&arcq_rec, sizeof(struct arcq), 1, fp) == 1) {
-               AdjRefCount(arcq_rec.arcq_msgnum, arcq_rec.arcq_delta);
-               ++num_records_processed;
-       }
-
-       fclose(fp);
-       r = unlink(file_arcq);
-       if (r != 0) {
-               syslog(LOG_ERR, "%s: %m", file_arcq);
-       }
-
-       return(num_records_processed);
-}
-
-
-// Prior to version 912 we kept a user's various Internet email addresses in their vCards.
-// This function moves them over to the user record, which is where we keep them now.
-void move_inet_addrs_from_vcards_to_user_records(void) {
-       ForEachUser(miafvtur_backend, NULL);
-       CtdlRebuildDirectoryIndex();
-}
-
-
-// We found the legacy sieve config in the user's config room.  Store the message number in the user record.
-void mifm_found_config(long msgnum, void *userdata) {
-       struct ctdluser *us = (struct ctdluser *)userdata;
-
-       us->msgnum_inboxrules = msgnum;
-       syslog(LOG_DEBUG, "user: <%s> inbox filter msgnum: <%ld>", us->fullname, us->msgnum_inboxrules);
-}
-
-
-// Helper function for migrate_inbox_filter_msgnums()
-void mifm_backend(char *username, void *data) {
-       struct ctdluser us;
-       char roomname[ROOMNAMELEN];
-
-       if (CtdlGetUserLock(&us, username) == 0) {
-               // Take a spin through the user's personal config room
-               syslog(LOG_DEBUG, "Processing <%s> (%ld)", us.fullname, us.usernum);
-               snprintf(roomname, sizeof roomname, "%010ld.%s", us.usernum, USERCONFIGROOM);
-               if (CtdlGetRoom(&CC->room, roomname) == 0) {
-                       CtdlForEachMessage(MSGS_LAST, 1, NULL, SIEVECONFIG, NULL, mifm_found_config, (void *)&us );
-               }
-               CtdlPutUserLock(&us);
-       }
-}
-
-
-// Prior to version 930 we used a MIME type search to locate the user's inbox filter rules. 
-// This function locates those ruleset messages and simply stores the message number in the user record.
-void migrate_inbox_filter_msgnums(void) {
-       ForEachUser(mifm_backend, NULL);
-}
-
-
-// Create a default administrator account so we can log in to a new installation
-void create_default_admin_account(void) {
-       struct ctdluser usbuf;
-
-       create_user(DEFAULT_ADMIN_USERNAME, CREATE_USER_DO_NOT_BECOME_USER, (-1));
-       CtdlGetUser(&usbuf, DEFAULT_ADMIN_USERNAME);
-       safestrncpy(usbuf.password, DEFAULT_ADMIN_PASSWORD, sizeof(usbuf.password));
-       usbuf.axlevel = AxAideU;
-       CtdlPutUser(&usbuf);
-       CtdlSetConfigStr("c_sysadm", DEFAULT_ADMIN_USERNAME);
-}
-
-
-// Based on the server version number reported by the existing database,
-// run in-place data format upgrades until everything is up to date.
-void pre_startup_upgrades(void) {
-
-       oldver = CtdlGetConfigInt("MM_hosted_upgrade_level");
-       syslog(LOG_INFO, "Existing database version on disk is %d", oldver);
-       update_config();
-
-       if (oldver < REV_LEVEL) {
-               syslog(LOG_WARNING, "Running pre-startup database upgrades.");
-       }
-       else {
-               return;
-       }
-
-       if ((oldver > 000) && (oldver < 591)) {
-               syslog(LOG_EMERG, "This database is too old to be upgraded.  Citadel server will exit.");
-               exit(EXIT_FAILURE);
-       }
-       if ((oldver > 000) && (oldver < 913)) {
-               reindex_uids();
-       }
-       if ((oldver > 000) && (oldver < 659)) {
-               rebuild_euid_index();
-       }
-       if (oldver < 735) {
-               fix_sys_user_name();
-       }
-       if (oldver < 736) {
-               rebuild_usersbynumber();
-       }
-       if (oldver < 790) {
-               remove_thread_users();
-       }
-       if (oldver < 810) {
-               struct ctdlroom QRoom;
-               if (!CtdlGetRoom(&QRoom, SMTP_SPOOLOUT_ROOM)) {
-                       QRoom.QRdefaultview = VIEW_QUEUE;
-                       CtdlPutRoom(&QRoom);
-               }
-       }
-
-       if ((oldver > 000) && (oldver < 902)) {
-               ingest_old_roominfo_and_roompic_files();
-       }
-
-       CtdlSetConfigInt("MM_hosted_upgrade_level", REV_LEVEL);
-
-       // Negative values for maxsessions are not allowed.
-       if (CtdlGetConfigInt("c_maxsessions") < 0) {
-               CtdlSetConfigInt("c_maxsessions", 0);
-       }
-
-       // We need a system default message expiry policy, because this is
-       // the top level and there's no 'higher' policy to fall back on.
-       // By default, do not expire messages at all.
-       if (CtdlGetConfigInt("c_ep_mode") == 0) {
-               CtdlSetConfigInt("c_ep_mode", EXPIRE_MANUAL);
-               CtdlSetConfigInt("c_ep_value", 0);
-       }
-
-       // If this is the first run on an empty database, create a default administrator
-       if (oldver == 0) {
-               create_default_admin_account();
-       }
-}
-
-
-// Based on the server version number reported by the existing database,
-// run in-place data format upgrades until everything is up to date.
-void post_startup_upgrades(void) {
-
-       syslog(LOG_INFO, "Existing database version on disk is %d", oldver);
-
-       if (oldver < REV_LEVEL) {
-               syslog(LOG_WARNING, "Running post-startup database upgrades.");
-       }
-       else {
-               return;
-       }
-
-       if ((oldver > 000) && (oldver < 912)) {
-               move_inet_addrs_from_vcards_to_user_records();
-       }
-
-       if ((oldver > 000) && (oldver < 922)) {
-               ProcessOldStyleAdjRefCountQueue();
-       }
-
-       if ((oldver > 000) && (oldver < 930)) {
-               migrate_inbox_filter_msgnums();
-       }
-
-}
-
-
-CTDL_MODULE_UPGRADE(upgrade)
-{
-       pre_startup_upgrades();
-       
-       /* return our module id for the Log */
-       return "upgrade";
-}
-
-
-CTDL_MODULE_INIT(upgrade)
-{
-       if (!threading) {
-               post_startup_upgrades();
-       }
-
-       /* return our module name for the log */
-        return "upgrade";
-}