1 // Attempt to convert your database from 32-bit to 64-bit.
2 // Don't run this. It doesn't work and if you try to run it you will immediately die.
4 // Copyright (c) 2023 by the citadel.org team
6 // This program is open source software. Use, duplication, or disclosure
7 // is subject to the terms of the GNU General Public License, version 3.
14 #include <sys/types.h>
15 #include <sys/socket.h>
23 #include <libcitadel.h>
26 #include "../server/sysdep.h"
27 #include "../server/citadel_defs.h"
28 #include "../server/server.h"
29 #include "../server/citadel_dirs.h"
30 #include "ctdl3264_structs.h"
32 static DB_ENV *dbenv; // The DB environment (global)
34 // Open the database environment
35 void open_dbenv(char *src_dir) {
39 int dbversion_major, dbversion_minor, dbversion_patch;
41 printf( "db: open_dbenv() starting\n"
42 "db: Linked zlib: %s\n"
43 "db: Compiled libdb: %s\n"
44 "db: Linked libdb: %s\n",
47 db_version(&dbversion_major, &dbversion_minor, &dbversion_patch)
50 // Create synthetic integer version numbers and compare them.
51 // Never allow citserver to run with a libdb older then the one with which it was compiled.
52 int compiled_db_version = ( (DB_VERSION_MAJOR * 1000000) + (DB_VERSION_MINOR * 1000) + (DB_VERSION_PATCH) );
53 int linked_db_version = ( (dbversion_major * 1000000) + (dbversion_minor * 1000) + (dbversion_patch) );
54 if (compiled_db_version > linked_db_version) {
55 printf( "db: ctdl3264 is running with a version of libdb older than the one with which it was compiled.\n"
56 "db: This is an invalid configuration. ctdl3264 will now exit to prevent data loss.");
60 printf("db: Setting up DB environment\n");
61 ret = db_env_create(&dbenv, 0);
63 printf("db: db_env_create: %s\n", db_strerror(ret));
64 printf("db: exit code %d\n", ret);
68 // We want to specify the shared memory buffer pool cachesize, but everything else is the default.
69 ret = dbenv->set_cachesize(dbenv, 0, 64 * 1024, 0);
71 printf("db: set_cachesize: %s\n", db_strerror(ret));
72 dbenv->close(dbenv, 0);
73 printf("db: exit code %d\n", ret);
77 if ((ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT))) {
78 printf("db: set_lk_detect: %s\n", db_strerror(ret));
79 dbenv->close(dbenv, 0);
80 printf("db: exit code %d\n", ret);
84 flags = DB_CREATE | DB_INIT_MPOOL | DB_PRIVATE | DB_INIT_LOG;
85 printf("db: dbenv open(dir=%s, flags=%d)\n", src_dir, flags);
86 ret = dbenv->open(dbenv, src_dir, flags, 0);
88 printf("db: dbenv->open: %s\n", db_strerror(ret));
89 dbenv->close(dbenv, 0);
90 printf("db: exit code %d\n", ret);
96 void close_dbenv(void) {
97 printf("db: closing dbenv\n");
98 int ret = dbenv->close(dbenv, 0);
100 printf("db: DBENV->close: %s\n", db_strerror(ret));
105 // placeholder convert function for the data types not yet implemented
106 void null_function(int which_cdb, DBT *key, DBT *data) {
107 //printf("DB: %02x , keylen: %3d , datalen: %d , dataptr: %x\n", which_cdb, (int)key->size, (int)data->size, data->data);
111 // convert function for a message in msgmain
112 void convert_msgmain(int which_cdb, DBT *key, DBT *data) {
114 memcpy(&msgnum, key->data, sizeof(msgnum));
115 printf("msgmain: len is %d , key is %d\n", key->size, msgnum);
117 if (key->size != 4) {
118 printf("\033[31m\033[1m *** SOURCE DATABASE IS NOT 32-BIT *** ABORTING *** \033[0m\n");
124 struct MetaData_32 meta;
125 printf("metadata: db says %d bytes , struct says %ld bytes\n", data->size, sizeof meta);
126 memset(&meta, 0, sizeof meta);
127 memcpy(&meta, data->data, data->size);
130 // If the msgnum is positive, we are looking at a MESSAGE
131 // If the msgnum is negative, we are looking at METADATA
135 // convert function for a message in msgmain
136 void convert_users(int which_cdb, DBT *key, DBT *data) {
138 memcpy(userkey, key->data, key->size);
139 userkey[key->size] = 0;
140 printf("users: len is %d , key is %s\n", key->size, userkey);
144 void (*convert_functions[])(int which_cdb, DBT *key, DBT *data) = {
145 convert_msgmain, // CDB_MSGMAIN
146 convert_users, // CDB_USERS
147 null_function, // CDB_ROOMS
148 null_function, // CDB_FLOORTAB
149 null_function, // CDB_MSGLISTS
150 null_function, // CDB_VISIT
151 null_function, // CDB_DIRECTORY
152 null_function, // CDB_USETABLE
153 null_function, // CDB_BIGMSGS
154 null_function, // CDB_FULLTEXT
155 null_function, // CDB_EUIDINDEX
156 null_function, // CDB_USERSBYNUMBER
157 null_function, // CDB_EXTAUTH
158 null_function // CDB_CONFIG
162 void convert_table(int which_cdb) {
166 printf("\033[32m\033[1mConverting table %d\033[0m\n", which_cdb);
168 // shamelessly swiped from https://docs.oracle.com/database/bdb181/html/programmer_reference/am_cursor.html
174 // create a database handle
175 ret = db_create(&dbp, dbenv, 0);
177 printf("db: db_create: %s\n", db_strerror(ret));
178 printf("db: exit code %d\n", ret);
183 snprintf(dbfilename, sizeof dbfilename, "cdb.%02x", which_cdb);
184 printf("\033[33m\033[1mdb: opening %s\033[0m\n", dbfilename);
185 ret = dbp->open(dbp, NULL, dbfilename, NULL, DB_BTREE, 0, 0600);
187 printf("db: db_open: %s\n", db_strerror(ret));
188 printf("db: exit code %d\n", ret);
193 if ((ret = dbp->cursor(dbp, NULL, &dbcp, 0)) != 0) {
194 printf("db: db_cursor: %s\n", db_strerror(ret));
195 printf("db: exit code %d\n", ret);
199 // Initialize the key/data return pair.
200 memset(&key, 0, sizeof(key));
201 memset(&data, 0, sizeof(data));
203 // Walk through the database and print out the key/data pairs.
204 while ((ret = dbcp->get(dbcp, &key, &data, DB_NEXT)) == 0) {
208 // Call the convert function (this will need some parameters later)
209 convert_functions[which_cdb](which_cdb, &key, &data);
212 if (ret != DB_NOTFOUND) {
213 printf("db: db_get: %s\n", db_strerror(ret));
214 printf("db: exit code %d\n", ret);
218 printf("%d rows\n", num_rows);
221 //printf("\033[33m\033[1mdb: flushing the database logs\033[0m\n");
222 //if ((ret = dbenv->log_flush(dbenv, NULL))) {
223 //printf("db: log_flush: %s\n", db_strerror(ret));
226 // ...and close the database (table)
227 printf("\033[33m\033[1mdb: closing database %02x\033[0m\n", which_cdb);
228 ret = dbp->close(dbp, 0);
230 printf("db: db_close: %s\n", db_strerror(ret));
236 int main(int argc, char **argv) {
237 char *src_dir = NULL;
240 // Check to make sure we're running on the target 64-bit system
241 if (sizeof(void *) != 8) {
242 fprintf(stderr, "%s: this is a %ld-bit system.\n", argv[0], sizeof(void *)*8);
243 fprintf(stderr, "%s: you must run this on a 64-bit system, onto which a 32-bit database has been copied.\n", argv[0]);
247 // Parse command line
249 while ((a = getopt(argc, argv, "s:d:y")) != EOF) {
258 fprintf(stderr, "%s: usage: %s -s source_dir -d dest_dir\n", argv[0], argv[0]);
264 printf("------------------------------------------------------------------------\n");
265 printf("ctdl3264 converts a Citadel database written on a 32-bit system to one \n");
266 printf("that can be run on a 64-bit system. It is intended to be run OFFLINE. \n");
267 printf("Neither the source nor the target data directories should be mounted by \n");
268 printf("a running Citadel server. We guarantee data corruption if you do not \n");
269 printf("observe this warning! The source [-s] directory should contain a copy \n");
270 printf("of the database from your 32-bit system. The destination [-d] directory\n");
271 printf("should be empty and will receive your 64-bit database. \n");
272 printf("------------------------------------------------------------------------\n");
273 printf(" Source 32-bit directory: %s\n", src_dir);
274 printf("Destination 64-bit directory: %s\n", "FIXME");
275 printf("------------------------------------------------------------------------\n");
277 if (confirmed == 1) {
278 printf("You have specified the [-y] flag, so processing will continue.\n");
281 printf("Please consult the documentation to learn how to proceed.\n");
286 for (int i = 0; i < MAXCDB; ++i) {