+++ /dev/null
-/*
- * admin/edit/dumpv4.c
- *
- * Copyright 1990,1991, 1994 by the Massachusetts Institute of Technology.
- * All Rights Reserved.
- *
- * Export of this software from the United States of America may
- * require a specific license from the United States Government.
- * It is the responsibility of any person or organization contemplating
- * export to obtain such a license before exporting.
- *
- * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
- * distribute this software and its documentation for any purpose and
- * without fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright notice and
- * this permission notice appear in supporting documentation, and that
- * the name of M.I.T. not be used in advertising or publicity pertaining
- * to distribution of the software without specific, written prior
- * permission. Furthermore if you modify this software you must label
- * your software as modified software and not distribute it in such a
- * fashion that it might be confused with the original M.I.T. software.
- * M.I.T. makes no representations about the suitability of
- * this software for any purpose. It is provided "as is" without express
- * or implied warranty.
- *
- *
- * Dump a KDC database into a V4 slave dump.
- */
-
-/*
- * Copyright (C) 1998 by the FundsXpress, INC.
- *
- * All rights reserved.
- *
- * Export of this software from the United States of America may require
- * a specific license from the United States Government. It is the
- * responsibility of any person or organization contemplating export to
- * obtain such a license before exporting.
- *
- * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
- * distribute this software and its documentation for any purpose and
- * without fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright notice and
- * this permission notice appear in supporting documentation, and that
- * the name of FundsXpress. not be used in advertising or publicity pertaining
- * to distribution of the software without specific, written prior
- * permission. FundsXpress makes no representations about the suitability of
- * this software for any purpose. It is provided "as is" without express
- * or implied warranty.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifdef KRB5_KRB4_COMPAT
-
-#include "k5-int.h"
-#include "com_err.h"
-
-#include <des.h>
-#include <krb.h>
-#ifdef HAVE_KRB_DB_H
-#include <krb_db.h>
-#endif /*HAVE_KRB_DB_H*/
-#ifdef HAVE_KDC_H
-;/* MKEYFILE is now defined in kdc.h */
-#include <kdc.h>
-#endif /*HAVE_KDC_H*/
-#include <stdio.h>
-#include <kadm5/admin.h>
-#include "kdb5_util.h"
-
-struct dump_record {
- char *comerr_name;
- FILE *f;
- krb5_keyblock *v5mkey;
- C_Block v4_master_key;
- Key_schedule v4_master_key_schedule;
- long master_key_version;
- char *realm;
-};
-
-
-void update_ok_file();
-
-#define ANAME_SZ 40
-#define INST_SZ 40
-
-static char *v4_mkeyfile = "/.k";
-static int shortlife;
-static krb5_error_code handle_one_key(struct dump_record *arg,
- krb5_keyblock *v5mkey,
- krb5_key_data *v5key,
- des_cblock v4key);
-static int handle_keys(struct dump_record *arg);
-
-static int
-v4init(arg, manual)
- struct dump_record *arg;
- int manual;
-{
- int fd;
- int ok = 0;
-
- if (!manual) {
- fd = open(v4_mkeyfile, O_RDONLY, 0600);
- if (fd >= 0) {
- if (read(fd,arg->v4_master_key,sizeof(C_Block)) == sizeof(C_Block))
- ok = 1;
- close(fd);
- }
- }
- if (!ok) {
- des_read_password(&arg->v4_master_key, "V4 Kerberos master key", 1);
- printf("\n");
- }
- arg->master_key_version = 1;
- key_sched(arg->v4_master_key, arg->v4_master_key_schedule);
-
- return 0;
-}
-
-static void
-v4_print_time(file, timeval)
- FILE *file;
- unsigned long timeval;
-{
- struct tm *tm;
- struct tm *gmtime();
- tm = gmtime((time_t *)&timeval);
- fprintf(file, " %04d%02d%02d%02d%02d",
- tm->tm_year < 1900 ? tm->tm_year + 1900: tm->tm_year,
- tm->tm_mon + 1,
- tm->tm_mday,
- tm->tm_hour,
- tm->tm_min);
-}
-
-
-
-static krb5_error_code
-dump_v4_iterator(ptr, entry)
- krb5_pointer ptr;
- krb5_db_entry *entry;
-{
- struct dump_record *arg = (struct dump_record *) ptr;
- krb5_principal mod_princ;
- krb5_timestamp mod_time;
- krb5_error_code retval;
- int i, max_kvno, ok_key;
-
- struct v4princ {
- char name[ANAME_SZ+1];
- char instance[INST_SZ+1];
- char realm[REALM_SZ+1];
- int max_life;
- int kdc_key_ver, key_version, attributes;
- char mod_name[ANAME_SZ+1];
- char mod_instance[INST_SZ+1];
- char mod_realm[REALM_SZ+1];
- } v4princ, *principal;
- des_cblock v4key;
-
- principal = &v4princ;
-
- if (strcmp(krb5_princ_realm(util_context, entry->princ)->data, arg->realm))
- /* skip this because it's a key for a different realm, probably
- * a paired krbtgt key */
- return 0;
-
- retval = krb5_524_conv_principal(util_context, entry->princ,
- principal->name, principal->instance,
- principal->realm);
- if (retval)
- /* Skip invalid V4 principals */
- return 0;
-
- if (!strcmp(principal->name, "K") && !strcmp(principal->instance, "M"))
- /* The V4 master key is handled specially */
- return 0;
-
- if (! principal->name[0])
- return 0;
- if (! principal->instance[0])
- strlcpy(principal->instance, "*", sizeof(principal->instance));
-
- /* Now move to mod princ */
- if ((retval = krb5_dbe_lookup_mod_princ_data(util_context,entry,
- &mod_time, &mod_princ))){
- com_err(arg->comerr_name, retval, "while unparsing db entry");
- exit_status++;
- return retval;
- }
- retval = krb5_524_conv_principal(util_context, mod_princ,
- principal->mod_name, principal->mod_instance,
- principal->mod_realm);
- if (retval) {
- /* Invalid V4 mod principal */
- principal->mod_name[0] = '\0';
- principal->mod_instance[0] = '\0';
- }
-
- if (! principal->mod_name[0])
- strlcpy(principal->mod_name, "*", sizeof(principal->mod_name));
- if (! principal->mod_instance[0])
- strlcpy(principal->mod_instance, "*", sizeof(principal->mod_instance));
-
- /* OK deal with the key now. */
- for (max_kvno = i = 0; i < entry->n_key_data; i++) {
- if (max_kvno < entry->key_data[i].key_data_kvno) {
- max_kvno = entry->key_data[i].key_data_kvno;
- ok_key = i;
- }
- }
-
- i = ok_key;
- while (ok_key < entry->n_key_data) {
- if (max_kvno == entry->key_data[ok_key].key_data_kvno) {
- if (entry->key_data[ok_key].key_data_type[1]
- == KRB5_KDB_SALTTYPE_V4) {
- goto found_one;
- }
- }
- ok_key++;
- }
-
- /* See if there are any DES keys that may be suitable */
- ok_key = i;
- while (ok_key < entry->n_key_data) {
- if (max_kvno == entry->key_data[ok_key].key_data_kvno) {
- krb5_enctype enctype = entry->key_data[ok_key].key_data_type[0];
- if ((enctype == ENCTYPE_DES_CBC_CRC) ||
- (enctype == ENCTYPE_DES_CBC_MD5) ||
- (enctype == ENCTYPE_DES_CBC_RAW))
- goto found_one;
- }
- ok_key++;
- }
- /* skip this because it's a new style key and we can't help it */
- return 0;
-
-found_one:;
- principal->key_version = max_kvno;
- if (!shortlife)
- principal->max_life = krb_time_to_life(0, entry->max_life);
- else {
- principal->max_life = entry->max_life / (60 * 5);
- if (principal->max_life > 255)
- principal->max_life = 255;
- }
-
- principal->kdc_key_ver = arg->master_key_version;
- principal->attributes = 0; /* ??? not preserved either */
-
- fprintf(arg->f, "%s %s %d %d %d %d ",
- principal->name,
- principal->instance,
- principal->max_life,
- principal->kdc_key_ver,
- principal->key_version,
- principal->attributes);
-
- handle_one_key(arg, arg->v5mkey, &entry->key_data[ok_key], v4key);
-
- for (i = 0; i < 8; i++) {
- fprintf(arg->f, "%02x", ((unsigned char*)v4key)[i]);
- if (i == 3) fputc(' ', arg->f);
- }
-
- if (entry->expiration == 0) {
- /* 0 means "never" expire. V4 didn't support that, so rather than
- having everything appear to have expired in 1970, we nail in the
- Cygnus 96q1 default value. The value quoted here is directly
- from src/admin/kdb_init.c in Cygnus CNS V4 96q1, and is
- roughly 12/31/2009. */
- v4_print_time(arg->f, 946702799+((365*10+3)*24*60*60));
- } else {
- v4_print_time(arg->f, entry->expiration);
- }
- v4_print_time(arg->f, mod_time);
-
- fprintf(arg->f, " %s %s\n", principal->mod_name, principal->mod_instance);
- return 0;
-}
-
-/*ARGSUSED*/
-void dump_v4db(argc, argv)
- int argc;
- char **argv;
-{
- int i;
- char *outname = NULL;
- FILE *f;
- struct dump_record arg;
-
- for (i = 1; i < argc; i++) {
- if (!strcmp(argv[i], "-S")) {
- shortlife++;
- continue;
- }
- break;
- }
- if (argc - i > 1) {
- com_err(argv[0], 0, "Usage: %s [-S] filename", argv[0]);
- exit_status++;
- return;
- }
- if (!dbactive) {
- com_err(argv[0], 0, Err_no_database);
- exit_status++;
- return;
- }
- if (argc - i == 1) {
- outname = argv[i];
- /*
- * Make sure that we don't open and truncate on the fopen,
- * since that may hose an on-going kprop process.
- *
- * We could also control this by opening for read and
- * write, doing an flock with LOCK_EX, and then
- * truncating the file once we have gotten the lock,
- * but that would involve more OS dependancies than I
- * want to get into.
- */
- unlink(outname);
- if (!(f = fopen(outname, "w"))) {
- com_err(argv[0], errno,
- "While opening file %s for writing", outname);
- exit_status++;
- return;
- }
- } else {
- f = stdout;
- }
-
- arg.comerr_name = argv[0];
- arg.f = f;
- v4init(&arg, 0);
- handle_keys(&arg);
-
- /* special handling for K.M since it isn't preserved */
- {
- des_cblock v4key;
- int i2;
-
- /* assume:
- max lifetime (255)
- key version == 1 (actually, should be whatever the v5 one is)
- master key version == key version
- args == 0 (none are preserved)
- expiration date is the default 2000
- last mod time is near zero (arbitrarily.)
- creator is db_creation *
- */
-
- fprintf(f,"K M 255 1 1 0 ");
-
-#ifndef KDB4_DISABLE
- kdb_encrypt_key (arg.v4_master_key, v4key,
- arg.v4_master_key, arg.v4_master_key_schedule,
- ENCRYPT);
-#else /* KDB4_DISABLE */
- pcbc_encrypt((C_Block *) arg.v4_master_key,
- (C_Block *) v4key,
- (long) sizeof(C_Block),
- arg.v4_master_key_schedule,
- (C_Block *) arg.v4_master_key,
- ENCRYPT);
-#endif /* KDB4_DISABLE */
-
- for (i2=0; i2<8; i2++) {
- fprintf(f, "%02x", ((unsigned char*)v4key)[i2]);
- if (i2 == 3) fputc(' ', f);
- }
- fprintf(f," 200001010459 197001020000 db_creation *\n");
- }
-
- (void) krb5_db_iterate(util_context, dump_v4_iterator,
- (krb5_pointer) &arg);
- if (argc == 2)
- fclose(f);
- if (outname)
- update_ok_file(outname);
-}
-
-static int handle_keys(arg)
- struct dump_record *arg;
-{
- krb5_error_code retval;
- char *defrealm;
- char *mkey_name = 0;
- char *mkey_fullname;
- krb5_principal l_master_princ;
-
- if ((retval = krb5_get_default_realm(util_context, &defrealm))) {
- com_err(arg->comerr_name, retval,
- "while retrieving default realm name");
- exit(1);
- }
- arg->realm = defrealm;
-
- /* assemble & parse the master key name */
-
- if ((retval = krb5_db_setup_mkey_name(util_context, mkey_name, arg->realm,
- &mkey_fullname, &l_master_princ))) {
- com_err(arg->comerr_name, retval, "while setting up master key name");
- exit(1);
- }
-
- if ((retval = krb5_db_fetch_mkey(util_context, l_master_princ,
- master_keyblock.enctype, 0,
- 0, global_params.stash_file, 0,
- &master_keyblock))) {
- com_err(arg->comerr_name, retval, "while reading master key");
- exit(1);
- }
- arg->v5mkey = &master_keyblock;
- return(0);
-}
-
-static krb5_error_code
-handle_one_key(arg, v5mkey, v5key, v4key)
- struct dump_record *arg;
- krb5_keyblock *v5mkey;
- krb5_key_data *v5key;
- des_cblock v4key;
-{
- krb5_error_code retval;
-
- krb5_keyblock v5plainkey;
- /* v4key is the actual v4 key from the file. */
-
- retval = krb5_dbekd_decrypt_key_data(util_context, v5mkey, v5key,
- &v5plainkey, NULL);
- if (retval)
- return retval;
-
- memcpy(v4key, v5plainkey.contents, sizeof(des_cblock));
-#ifndef KDB4_DISABLE
- kdb_encrypt_key (v4key, v4key,
- arg->v4_master_key, arg->v4_master_key_schedule,
- ENCRYPT);
-#else /* KDB4_DISABLE */
- pcbc_encrypt((C_Block *) v4key,
- (C_Block *) v4key,
- (long) sizeof(C_Block),
- arg->v4_master_key_schedule,
- (C_Block *) arg->v4_master_key,
- ENCRYPT);
-#endif /* KDB4_DISABLE */
- return 0;
-}
-
-#else /* KRB5_KRB4_COMPAT */
-void dump_v4db(argc, argv)
- int argc;
- char **argv;
-{
- printf("This version of krb5_edit does not support the V4 dump command.\n");
-}
-#endif /* KRB5_KRB4_COMPAT */
+++ /dev/null
-/*
- * kadmin/dbutil/loadv4.c
- *
- * Copyright 1996 by the Massachusetts Institute of Technology.
- * All Rights Reserved.
- *
- * Export of this software from the United States of America may
- * require a specific license from the United States Government.
- * It is the responsibility of any person or organization contemplating
- * export to obtain such a license before exporting.
- *
- * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
- * distribute this software and its documentation for any purpose and
- * without fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright notice and
- * this permission notice appear in supporting documentation, and that
- * the name of M.I.T. not be used in advertising or publicity pertaining
- * to distribution of the software without specific, written prior
- * permission. Furthermore if you modify this software you must label
- * your software as modified software and not distribute it in such a
- * fashion that it might be confused with the original M.I.T. software.
- * M.I.T. makes no representations about the suitability of
- * this software for any purpose. It is provided "as is" without express
- * or implied warranty.
- *
- *
- * Generate (from scratch) a Kerberos V5 KDC database, filling it in with the
- * entries from a V4 database.
- */
-
-/*
- * Copyright (C) 1998 by the FundsXpress, INC.
- *
- * All rights reserved.
- *
- * Export of this software from the United States of America may require
- * a specific license from the United States Government. It is the
- * responsibility of any person or organization contemplating export to
- * obtain such a license before exporting.
- *
- * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
- * distribute this software and its documentation for any purpose and
- * without fee is hereby granted, provided that the above copyright
- * notice appear in all copies and that both that copyright notice and
- * this permission notice appear in supporting documentation, and that
- * the name of FundsXpress. not be used in advertising or publicity pertaining
- * to distribution of the software without specific, written prior
- * permission. FundsXpress makes no representations about the suitability of
- * this software for any purpose. It is provided "as is" without express
- * or implied warranty.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#include <stdio.h>
-
-#ifdef KRB5_KRB4_COMPAT
-
-#include "k5-int.h"
-#include "com_err.h"
-
-#include <des.h>
-#include <krb.h>
-#include <krb_db.h>
-/* MKEYFILE is now defined in kdc.h */
-#include <kdc.h>
-
-static C_Block master_key;
-static Key_schedule master_key_schedule;
-
-static char *v4_mkeyfile = "/.k";
-
-#include <kadm5/admin.h>
-/* Define to make certain blocks private */
-#define V4_DECLARES_STATIC
-#include "kdb5_util.h"
-#include "kadm5/adb.h" /* osa_adb_create_policy_db */
-#include <netinet/in.h> /* ntohl */
-
-#define PROGNAME argv[0]
-
-enum ap_op {
- NULL_KEY, /* setup null keys */
- MASTER_KEY, /* use master key as new key */
- RANDOM_KEY /* choose a random key */
-};
-
-struct realm_info {
- krb5_deltat max_life;
- krb5_deltat max_rlife;
- krb5_timestamp expiration;
- krb5_flags flags;
- krb5_keyblock *key;
-};
-
-static struct realm_info rblock = { /* XXX */
- KRB5_KDB_MAX_LIFE,
- KRB5_KDB_MAX_RLIFE,
- KRB5_KDB_EXPIRATION,
- KRB5_KDB_DEF_FLAGS,
- 0
-};
-
-static int verbose = 0;
-
-static int shortlife = 0;
-
-static krb5_error_code add_principal
- (krb5_context,
- krb5_principal,
- enum ap_op,
- struct realm_info *);
-
-static int v4init (char *, int, char *);
-static krb5_error_code enter_in_v5_db (krb5_context,
- char *, Principal *);
-static krb5_error_code process_v4_dump (krb5_context, char *,
- char *, long);
-static krb5_error_code v4_dump_find_default (krb5_context, char *,
- char *, long *);
-static krb5_error_code fixup_database (krb5_context, char *);
-
-static int create_local_tgt = 0;
-
-static krb5_keyblock master_keyblock;
-static krb5_principal master_princ;
-
-static krb5_data tgt_princ_entries[] = {
- {0, KRB5_TGS_NAME_SIZE, KRB5_TGS_NAME},
- {0, 0, 0} };
-
-static krb5_data db_creator_entries[] = {
- {0, sizeof("db_creation")-1, "db_creation"} };
-
-/* XXX knows about contents of krb5_principal, and that tgt names
- are of form TGT/REALM@REALM */
-static krb5_principal_data tgt_princ = {
- 0, /* magic number */
- {0, 0, 0}, /* krb5_data realm */
- tgt_princ_entries, /* krb5_data *data */
- 2, /* int length */
- KRB5_NT_SRV_INST /* int type */
-};
-
-static krb5_principal_data db_create_princ = {
- 0, /* magic number */
- {0, 0, 0}, /* krb5_data realm */
- db_creator_entries, /* krb5_data *data */
- 1, /* int length */
- KRB5_NT_SRV_INST /* int type */
-};
-
-
-void
-load_v4db(argc, argv)
- int argc;
- char *argv[];
-{
- krb5_error_code retval;
- /* The kdb library will default to this, but it is convenient to
- make it explicit (error reporting and temporary filename generation
- use it). */
- char *dbname = DEFAULT_KDB_FILE;
- char *v4dumpfile = 0;
- char *realm = 0;
- char *mkey_name = 0;
- char *mkey_fullname;
- char *defrealm;
- int v4manual = 0;
- krb5_boolean read_mkey = 0;
- int tempdb = 0;
- char *tempdbname;
- krb5_context context;
- char *stash_file = (char *) NULL;
- int persist, op_ind;
- kadm5_config_params newparams;
- extern kadm5_config_params global_params;
- long exp_time = 0;
- krb5_int32 crflags = KRB5_KDB_CREATE_BTREE;
- krb5_data seed;
-
- retval = kadm5_init_krb5_context(&context);
- if (retval) {
- fprintf(stderr, "%s: Could not initialize krb5 context.\n", PROGNAME);
- return;
- }
-
- if (strrchr(argv[0], '/'))
- argv[0] = strrchr(argv[0], '/')+1;
-
- persist = 1;
- op_ind = 1;
- while (persist && (op_ind < argc)) {
- if (!strcmp(argv[op_ind], "-T")) {
- create_local_tgt = 1;
- }
- else if (!strcmp(argv[op_ind], "-t")) {
- tempdb = 1;
- }
- else if (!strcmp(argv[op_ind], "-K")) {
- read_mkey = 1;
- }
- else if (!strcmp(argv[op_ind], "-v")) {
- verbose = 1;
- }
- else if (!strcmp(argv[op_ind], "-n")) {
- v4manual++;
- }
- else if (!strcmp(argv[op_ind], "-S")) {
- shortlife++;
- }
- else if (!strcmp(argv[op_ind], "-s")) {
- if ((argc - op_ind) >= 1) {
- v4_mkeyfile = argv[op_ind+1];
- op_ind++;
- } else {
- usage();
- }
- }
- else if (!strcmp(argv[op_ind], "-h")) {
- crflags = KRB5_KDB_CREATE_HASH;
- }
- else if ((argc - op_ind) >= 1) {
- v4dumpfile = argv[op_ind];
- op_ind++;
- }
- else
- usage();
- op_ind++;
- }
-
- realm = global_params.realm;
- dbname = global_params.dbname;
- mkey_name = global_params.mkey_name;
- master_keyblock.enctype = global_params.enctype;
- if (global_params.stash_file)
- stash_file = strdup(global_params.stash_file);
- rblock.max_life = global_params.max_life;
- rblock.max_rlife = global_params.max_rlife;
- rblock.expiration = global_params.expiration;
- rblock.flags = global_params.flags;
-
- if (!v4dumpfile) {
- usage();
- krb5_free_context(context);
- return;
- }
-
- if (!krb5_c_valid_enctype(master_keyblock.enctype)) {
- com_err(PROGNAME, KRB5_PROG_KEYTYPE_NOSUPP,
- "while setting up enctype %d", master_keyblock.enctype);
- krb5_free_context(context);
- return;
- }
-
- /* If the user has not requested locking, don't modify an existing database. */
- if (! tempdb) {
- retval = krb5_db_set_name(context, dbname);
- if (retval != ENOENT) {
- fprintf(stderr,
- "%s: The v5 database appears to already exist.\n",
- PROGNAME);
- krb5_free_context(context);
- return;
- }
- tempdbname = dbname;
- } else {
- if (asprintf(&tempdbname, "%s~", dbname) < 0)
- com_err(PROGNAME, ENOMEM, "allocating temporary filename");
- krb5_free_context(context);
- return;
- }
- (void) krb5_db_destroy(context, tempdbname);
- }
-
-
- if (!realm) {
- retval = krb5_get_default_realm(context, &defrealm);
- if (retval) {
- com_err(PROGNAME, retval, "while retrieving default realm name");
- krb5_free_context(context);
- return;
- }
- realm = defrealm;
- }
-
- /* assemble & parse the master key name */
-
- retval = krb5_db_setup_mkey_name(context, mkey_name, realm,
- &mkey_fullname, &master_princ);
- if (retval) {
- com_err(PROGNAME, retval, "while setting up master key name");
- krb5_free_context(context);
- return;
- }
-
- krb5_princ_set_realm_data(context, &db_create_princ, realm);
- krb5_princ_set_realm_length(context, &db_create_princ, strlen(realm));
- krb5_princ_set_realm_data(context, &tgt_princ, realm);
- krb5_princ_set_realm_length(context, &tgt_princ, strlen(realm));
- krb5_princ_component(context, &tgt_princ,1)->data = realm;
- krb5_princ_component(context, &tgt_princ,1)->length = strlen(realm);
-
- printf("Initializing database '%s' for realm '%s',\n\
-master key name '%s'\n",
- dbname, realm, mkey_fullname);
-
- if (read_mkey) {
- puts("You will be prompted for the version 5 database Master Password.");
- puts("It is important that you NOT FORGET this password.");
- fflush(stdout);
- }
-
-
- retval = krb5_db_fetch_mkey(context, master_princ,
- master_keyblock.enctype,
- read_mkey, read_mkey, stash_file, 0,
- &master_keyblock);
- if (retval) {
- com_err(PROGNAME, retval, "while reading master key");
- krb5_free_context(context);
- return;
- }
-
- rblock.key = &master_keyblock;
-
- seed.length = master_keyblock.length;
- seed.data = master_keyblock.contents;
-
- retval = krb5_c_random_seed(context, &seed);
- if (retval) {
- com_err(PROGNAME, retval, "while initializing random key generator");
- krb5_free_context(context);
- return;
- }
-
- retval = krb5_db_create(context, tempdbname, crflags);
- if (retval) {
- com_err(PROGNAME, retval, "while creating %sdatabase '%s'",
- tempdb ? "temporary " : "", tempdbname);
- krb5_free_context(context);
- return;
- }
-
- retval = krb5_db_set_name(context, tempdbname);
- if (retval) {
- (void) krb5_db_destroy(context, tempdbname);
- com_err(PROGNAME, retval, "while setting active database to '%s'",
- tempdbname);
- krb5_free_context(context);
- return;
- }
- if (v4init(PROGNAME, v4manual, v4dumpfile)) {
- (void) krb5_db_destroy(context, tempdbname);
- krb5_free_context(context);
- return;
- }
- if ((retval = krb5_db_init(context)) ||
- (retval = krb5_db_open_database(context))) {
- (void) krb5_db_destroy(context, tempdbname);
- com_err(PROGNAME, retval, "while initializing the database '%s'",
- tempdbname);
- krb5_free_context(context);
- return;
- }
-
- retval = add_principal(context, master_princ, MASTER_KEY, &rblock);
- if (retval) {
- (void) krb5_db_fini(context);
- (void) krb5_db_destroy(context, tempdbname);
- com_err(PROGNAME, retval, "while adding K/M to the database");
- krb5_free_context(context);
- return;
- }
-
- if (create_local_tgt &&
- (retval = add_principal(context, &tgt_princ, RANDOM_KEY, &rblock))) {
- (void) krb5_db_fini(context);
- (void) krb5_db_destroy(context, tempdbname);
- com_err(PROGNAME, retval, "while adding TGT service to the database");
- krb5_free_context(context);
- return;
- }
-
- retval = v4_dump_find_default(context, v4dumpfile, realm, &exp_time);
- if (retval) {
- com_err(PROGNAME, retval, "warning: default entry not found");
- }
-
- retval = process_v4_dump(context, v4dumpfile, realm, exp_time);
- putchar('\n');
- if (retval)
- com_err(PROGNAME, retval, "while translating entries to the database");
- else {
- retval = fixup_database(context, realm);
- }
-
- /* clean up; rename temporary database if there were no errors */
- if (retval == 0) {
- retval = krb5_db_fini (context);
- if (retval)
- com_err(PROGNAME, retval, "while shutting down database");
- else if (tempdb && (retval = krb5_db_rename(context, tempdbname,
- dbname)))
- com_err(PROGNAME, retval, "while renaming temporary database");
- } else {
- (void) krb5_db_fini (context);
- if (tempdb)
- (void) krb5_db_destroy (context, tempdbname);
- }
- memset((char *)master_keyblock.contents, 0, master_keyblock.length);
-
- /*
- * Cons up config params for new database; using the global_params
- * is just fine.
- */
- newparams = global_params;
-
- /*
- * Always create the policy db, even if we are not loading a dump
- * file with policy info.
- */
- if (!tempdb && (retval = osa_adb_create_policy_db(&newparams))) {
- com_err(PROGNAME, retval, "while creating policy database");
- kadm5_free_config_params(context, &newparams);
- krb5_free_context(context);
- return;
- }
- /*
- * Create the magic principals in the database.
- */
- retval = kadm5_create_magic_princs(&newparams, context);
- if (retval) {
- com_err(PROGNAME, retval, "while creating KADM5 principals");
- krb5_free_context(context);
- return;
- }
-
- krb5_free_context(context);
- return;
-}
-
-static int
-v4init(pname, manual, dumpfile)
-char *pname;
-int manual;
-char *dumpfile;
-{
- int fd;
- int ok = 0;
-
- if (!manual) {
- fd = open(v4_mkeyfile, O_RDONLY, 0600);
- if (fd >= 0) {
- if (read(fd, master_key, sizeof(master_key)) == sizeof(master_key))
- ok = 1;
- close(fd);
- }
- }
- if (!ok) {
- des_read_password(&master_key, "V4 Kerberos master key", 0);
- printf("\n");
- }
- key_sched(master_key, master_key_schedule);
- return 0;
-}
-
-static krb5_error_code
-enter_in_v5_db(context, realm, princ)
-krb5_context context;
-char *realm;
-Principal *princ;
-{
- krb5_db_entry entry;
- krb5_error_code retval;
- krb5_keyblock v4v5key;
- int nentries = 1;
- des_cblock v4key;
- char *name;
- krb5_timestamp mod_time;
- krb5_principal mod_princ;
- krb5_keysalt keysalt;
-
- /* don't convert local TGT if we created a TGT already.... */
- if (create_local_tgt && !strcmp(princ->name, "krbtgt") &&
- !strcmp(princ->instance, realm)) {
- if (verbose)
- printf("\nignoring local TGT: '%s.%s' ...",
- princ->name, princ->instance);
- return 0;
- }
- if (!strcmp(princ->name, KERB_M_NAME) &&
- !strcmp(princ->instance, KERB_M_INST)) {
- des_cblock key_from_db;
- int val;
-
- /* here's our chance to verify the master key */
- /*
- * use the master key to decrypt the key in the db, had better
- * be the same!
- */
- memcpy(key_from_db, (char *)&princ->key_low, 4);
- memcpy(((char *) key_from_db) + 4, (char *)&princ->key_high, 4);
- pcbc_encrypt((C_Block *) &key_from_db,
- (C_Block *) &key_from_db,
- (long) sizeof(C_Block),
- master_key_schedule,
- (C_Block *) master_key,
- DECRYPT);
- val = memcmp((char *) master_key, (char *) key_from_db,
- sizeof(master_key));
- memset((char *)key_from_db, 0, sizeof(key_from_db));
- if (val) {
- return KRB5_KDB_BADMASTERKEY;
- }
- if (verbose)
- printf("\nignoring '%s.%s' ...", princ->name, princ->instance);
- return 0;
- }
- memset((char *) &entry, 0, sizeof(entry));
- retval = krb5_425_conv_principal(context, princ->name, princ->instance,
- realm, &entry.princ);
- if (retval)
- return retval;
- if (verbose) {
- retval = krb5_unparse_name(context, entry.princ, &name);
- if (retval)
- name = strdup("<not unparsable name!>");
- if (verbose)
- printf("\ntranslating %s...", name);
- free(name);
- }
-
- retval = krb5_build_principal(context, &mod_princ,
- strlen(realm), realm, princ->mod_name,
- princ->mod_instance[0] ?
- princ->mod_instance : NULL,
- NULL);
- if (retval) {
- krb5_free_principal(context, entry.princ);
- return retval;
- }
- mod_time = princ->mod_date;
-
- if (!shortlife)
- entry.max_life = krb_life_to_time(0, princ->max_life);
- else
- entry.max_life = princ->max_life * 60 * 5;
- entry.max_renewable_life = rblock.max_rlife;
- entry.len = KRB5_KDB_V1_BASE_LENGTH;
- entry.expiration = princ->exp_date;
- entry.attributes = rblock.flags; /* XXX is there a way to convert
- the old attrs? */
-
- memcpy((char *)v4key, (char *)&(princ->key_low), 4);
- memcpy((char *) (((char *) v4key) + 4), (char *)&(princ->key_high), 4);
- pcbc_encrypt((C_Block *) &v4key,
- (C_Block *) &v4key,
- (long) sizeof(C_Block),
- master_key_schedule,
- (C_Block *) master_key,
- DECRYPT);
-
- v4v5key.magic = KV5M_KEYBLOCK;
- v4v5key.contents = (krb5_octet *)v4key;
- v4v5key.enctype = ENCTYPE_DES_CBC_CRC;
- v4v5key.length = sizeof(v4key);
-
- retval = krb5_dbe_create_key_data(context, &entry);
- if (retval) {
- krb5_free_principal(context, entry.princ);
- krb5_free_principal(context, mod_princ);
- return retval;
- }
-
- keysalt.type = KRB5_KDB_SALTTYPE_V4;
- keysalt.data.length = 0;
- keysalt.data.data = (char *) NULL;
- retval = krb5_dbekd_encrypt_key_data(context, rblock.key,
- &v4v5key, &keysalt,
- princ->key_version,
- &entry.key_data[0]);
- if (!retval)
- retval = krb5_dbe_update_mod_princ_data(context, &entry,
- mod_time, mod_princ);
- if (!retval)
- retval = krb5_dbe_update_last_pwd_change(context, &entry, mod_time);
-
- if (retval) {
- krb5_db_free_principal(context, &entry, 1);
- krb5_free_principal(context, mod_princ);
- return retval;
- }
- memset((char *)v4key, 0, sizeof(v4key));
-
- retval = krb5_db_put_principal(context, &entry, &nentries);
-
- if (!retval && !strcmp(princ->name, "krbtgt") &&
- strcmp(princ->instance, realm) && princ->instance[0]) {
- krb5_free_principal(context, entry.princ);
- retval = krb5_build_principal(context, &entry.princ,
- strlen(princ->instance),
- princ->instance,
- "krbtgt", realm, NULL);
- if (retval)
- return retval;
- retval = krb5_db_put_principal(context, &entry, &nentries);
- }
-
- krb5_db_free_principal(context, &entry, 1);
- krb5_free_principal(context, mod_princ);
-
- return retval;
-}
-
-static krb5_error_code
-add_principal(context, princ, op, pblock)
-krb5_context context;
-krb5_principal princ;
-enum ap_op op;
-struct realm_info *pblock;
-{
- krb5_db_entry entry;
- krb5_error_code retval;
- krb5_keyblock rkey;
- int nentries = 1;
- krb5_timestamp mod_time;
-
- memset((char *) &entry, 0, sizeof(entry));
- retval = krb5_copy_principal(context, princ, &entry.princ);
- if (retval)
- return(retval);
- entry.max_life = pblock->max_life;
- entry.max_renewable_life = pblock->max_rlife;
- entry.len = KRB5_KDB_V1_BASE_LENGTH;
- entry.expiration = pblock->expiration;
-
- retval = krb5_timeofday(context, &mod_time);
- if (retval) {
- krb5_db_free_principal(context, &entry, 1);
- return retval;
- }
- entry.attributes = pblock->flags;
-
- retval = krb5_dbe_create_key_data(context, &entry);
- if (retval) {
- krb5_db_free_principal(context, &entry, 1);
- return(retval);
- }
-
- switch (op) {
- case MASTER_KEY:
- entry.attributes |= KRB5_KDB_DISALLOW_ALL_TIX;
- retval = krb5_dbekd_encrypt_key_data(context, pblock->key,
- &master_keyblock,
- (krb5_keysalt *) NULL, 1,
- &entry.key_data[0]);
- if (retval) {
- krb5_db_free_principal(context, &entry, 1);
- return retval;
- }
- break;
- case RANDOM_KEY:
- retval = krb5_c_make_random_key(context, pblock->key->enctype,
- &rkey);
- if (retval) {
- krb5_db_free_principal(context, &entry, 1);
- return retval;
- }
- retval = krb5_dbekd_encrypt_key_data(context, pblock->key,
- &rkey, (krb5_keysalt *) NULL,
- 1, &entry.key_data[0]);
- if (retval) {
- krb5_db_free_principal(context, &entry, 1);
- return(retval);
- }
- krb5_free_keyblock_contents(context, &rkey);
- break;
- case NULL_KEY:
- return EOPNOTSUPP;
- default:
- break;
- }
-
- retval = krb5_dbe_update_mod_princ_data(context, &entry,
- mod_time, &db_create_princ);
- if (!retval)
- retval = krb5_db_put_principal(context, &entry, &nentries);
- krb5_db_free_principal(context, &entry, 1);
- return retval;
-}
-
-/*
- * Convert a struct tm * to a UNIX time.
- */
-
-
-#define daysinyear(y) (((y) % 4) ? 365 : (((y) % 100) ? 366 : (((y) % 400) ? 365 : 366)))
-
-#define SECSPERDAY 24*60*60
-#define SECSPERHOUR 60*60
-#define SECSPERMIN 60
-
-static int cumdays[] = { 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334,
- 365};
-
-static int leapyear[] = {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-static int nonleapyear[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
-
-static long
-maketime(tp, local)
-register struct tm *tp;
-int local;
-{
- register long retval;
- int foo;
- int *marray;
-
- if (tp->tm_mon < 0 || tp->tm_mon > 11 ||
- tp->tm_hour < 0 || tp->tm_hour > 23 ||
- tp->tm_min < 0 || tp->tm_min > 59 ||
- tp->tm_sec < 0 || tp->tm_sec > 59) /* out of range */
- return 0;
-
- retval = 0;
- if (tp->tm_year < 1900)
- foo = tp->tm_year + 1900;
- else
- foo = tp->tm_year;
-
- if (foo < 1901 || foo > 2038) /* year is too small/large */
- return 0;
-
- if (daysinyear(foo) == 366) {
- if (tp->tm_mon > 1)
- retval+= SECSPERDAY; /* add leap day */
- marray = leapyear;
- } else
- marray = nonleapyear;
-
- if (tp->tm_mday < 0 || tp->tm_mday > marray[tp->tm_mon])
- return 0; /* out of range */
-
- while (--foo >= 1970)
- retval += daysinyear(foo) * SECSPERDAY;
-
- retval += cumdays[tp->tm_mon] * SECSPERDAY;
- retval += (tp->tm_mday-1) * SECSPERDAY;
- retval += tp->tm_hour * SECSPERHOUR + tp->tm_min * SECSPERMIN + tp->tm_sec;
-
- if (local) {
- /* need to use local time, so we retrieve timezone info */
- struct timezone tz;
- struct timeval tv;
- if (gettimeofday(&tv, &tz) < 0) {
- /* some error--give up? */
- return(retval);
- }
- retval += tz.tz_minuteswest * SECSPERMIN;
- }
- return(retval);
-}
-
-static long
-time_explode(cp)
-register char *cp;
-{
- char wbuf[5];
- struct tm tp;
- int local;
-
- memset((char *)&tp, 0, sizeof(tp));
-
- if (strlen(cp) > 10) { /* new format */
- (void) strncpy(wbuf, cp, 4);
- wbuf[4] = 0;
- tp.tm_year = atoi(wbuf);
- cp += 4; /* step over the year */
- local = 0; /* GMT */
- } else { /* old format: local time,
- year is 2 digits, assuming 19xx */
- wbuf[0] = *cp++;
- wbuf[1] = *cp++;
- wbuf[2] = 0;
- tp.tm_year = 1900 + atoi(wbuf);
- local = 1; /* local */
- }
-
- wbuf[0] = *cp++;
- wbuf[1] = *cp++;
- wbuf[2] = 0;
- tp.tm_mon = atoi(wbuf)-1;
-
- wbuf[0] = *cp++;
- wbuf[1] = *cp++;
- tp.tm_mday = atoi(wbuf);
-
- wbuf[0] = *cp++;
- wbuf[1] = *cp++;
- tp.tm_hour = atoi(wbuf);
-
- wbuf[0] = *cp++;
- wbuf[1] = *cp++;
- tp.tm_min = atoi(wbuf);
-
-
- return(maketime(&tp, local));
-}
-
-static krb5_error_code
-process_v4_dump(context, dumpfile, realm, default_exp_time)
-krb5_context context;
-char *dumpfile;
-char *realm;
-long default_exp_time;
-{
- krb5_error_code retval;
- FILE *input_file;
- Principal aprinc;
- char exp_date_str[50];
- char mod_date_str[50];
- int temp1, temp2, temp3;
-
- input_file = fopen(dumpfile, "r");
- if (!input_file)
- return errno;
-
- for (;;) { /* explicit break on eof from fscanf */
- int nread;
-
- memset((char *)&aprinc, 0, sizeof(aprinc));
- nread = fscanf(input_file,
- "%s %s %d %d %d %hd %lx %lx %s %s %s %s\n",
- aprinc.name,
- aprinc.instance,
- &temp1,
- &temp2,
- &temp3,
- &aprinc.attributes,
- &aprinc.key_low,
- &aprinc.key_high,
- exp_date_str,
- mod_date_str,
- aprinc.mod_name,
- aprinc.mod_instance);
- if (nread != 12) {
- retval = nread == EOF ? 0 : KRB5_KDB_DB_CORRUPT;
- break;
- }
- aprinc.key_low = ntohl (aprinc.key_low);
- aprinc.key_high = ntohl (aprinc.key_high);
- aprinc.max_life = (unsigned char) temp1;
- aprinc.kdc_key_ver = (unsigned char) temp2;
- aprinc.key_version = (unsigned char) temp3;
- aprinc.exp_date = time_explode(exp_date_str);
- if (aprinc.exp_date == default_exp_time)
- aprinc.exp_date = 0;
- aprinc.mod_date = time_explode(mod_date_str);
- if (aprinc.instance[0] == '*')
- aprinc.instance[0] = '\0';
- if (aprinc.mod_name[0] == '*')
- aprinc.mod_name[0] = '\0';
- if (aprinc.mod_instance[0] == '*')
- aprinc.mod_instance[0] = '\0';
- retval = enter_in_v5_db(context, realm, &aprinc);
- if (retval)
- break;
- }
- (void) fclose(input_file);
- return retval;
-}
-
-static krb5_error_code
-v4_dump_find_default(context, dumpfile, realm, exptime)
-krb5_context context;
-char *dumpfile;
-char *realm;
-long *exptime;
-{
- krb5_error_code retval = 0;
- FILE *input_file;
- Principal aprinc;
- char exp_date_str[50];
- char mod_date_str[50];
- int temp1, temp2, temp3;
- long foundtime, guess1, guess2;
-
- /* kdb_init is usually the only thing to touch the time in the
- default entry, and everything else just copies that time. If
- the site hasn't changed it, we can assume that "never" is an
- appropriate value for V5. There have been two values compiled
- in, typically:
-
- MIT V4 had the code
- principal.exp_date = 946702799;
- strncpy(principal.exp_date_txt, "12/31/99", DATE_SZ);
-
- Cygnus CNS V4 had the code
- principal.exp_date = 946702799+((365*10+3)*24*60*60);
- strncpy(principal.exp_date_txt, "12/31/2009", DATE_SZ);
-
- However, the dump files only store minutes -- so these values
- are 59 seconds high.
-
- Other values could be added later, but in practice these are
- likely to be the only ones. */
-
- guess1 = 946702799-59;
- guess2 = 946702799+((365*10+3)*24*60*60);
-
- input_file = fopen(dumpfile, "r");
- if (!input_file)
- return errno;
-
- for (;;) { /* explicit break on eof from fscanf */
- int nread;
-
- memset((char *)&aprinc, 0, sizeof(aprinc));
- nread = fscanf(input_file,
- "%s %s %d %d %d %hd %lx %lx %s %s %s %s\n",
- aprinc.name,
- aprinc.instance,
- &temp1,
- &temp2,
- &temp3,
- &aprinc.attributes,
- &aprinc.key_low,
- &aprinc.key_high,
- exp_date_str,
- mod_date_str,
- aprinc.mod_name,
- aprinc.mod_instance);
- if (nread != 12) {
- retval = nread == EOF ? 0 : KRB5_KDB_DB_CORRUPT;
- break;
- }
- if (!strcmp(aprinc.name, "default")
- && !strcmp(aprinc.instance, "*")) {
- foundtime = time_explode(exp_date_str);
- if (foundtime == guess1 || foundtime == guess2)
- *exptime = foundtime;
- if (verbose) {
- printf("\ndefault expiration found: ");
- if (foundtime == guess1) {
- printf("MIT or pre96q1 value (1999)");
- } else if (foundtime == guess2) {
- printf("Cygnus CNS post 96q1 value (2009)");
- } else {
- printf("non-default start time (%ld,%s)",
- foundtime, exp_date_str);
- }
- }
- break;
- }
- }
- (void) fclose(input_file);
- return retval;
-}
-
-static krb5_error_code fixup_database(context, realm)
- krb5_context context;
- char * realm;
-{
- return 0;
-}
-
-#else /* KRB5_KRB4_COMPAT */
-void
-load_v4db(argc, argv)
- int argc;
- char *argv[];
-{
- printf("This version of kdb5_util does not support the V4 load command.\n");
-}
-#endif /* KRB5_KRB4_COMPAT */
projects / krb5.git / commitdiff