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3116e8d3be
This minimalistic version of ktutil dumps all principal names and encryption types from a keytab, eg: ./bin/samba4ktutil test.keytab ktpassuser@HILLHOUSE.SITE (arcfour-hmac-md5) ktpassuser@HILLHOUSE.SITE (aes256-cts-hmac-sha1-96) ktpassuser@HILLHOUSE.SITE (aes128-cts-hmac-sha1-96) ktpassuser@HILLHOUSE.SITE (des-cbc-md5) ktpassuser@HILLHOUSE.SITE (des-cbc-crc) This is all we need to run some tests against keytabs exported with `samba-tool domain exportkeytab`. Signed-off-by: Ralph Boehme <slow@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
/*
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Unix SMB/CIFS implementation.
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Minimal ktutil for selftest
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Copyright (C) Ralph Boehme <slow@samba.org> 2016
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "krb5_wrap/krb5_samba.h"
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static void smb_krb5_err(TALLOC_CTX *mem_ctx,
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krb5_context context,
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int exit_code,
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krb5_error_code code,
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const char *msg)
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{
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char *krb5_err_str = smb_get_krb5_error_message(context,
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code,
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mem_ctx);
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printf("%s: %s\n", msg, krb5_err_str ? krb5_err_str : "UNKOWN");
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talloc_free(mem_ctx);
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exit(exit_code);
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}
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int main (int argc, char **argv)
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{
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TALLOC_CTX *mem_ctx = talloc_init("ktutil");
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krb5_context context;
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krb5_keytab keytab;
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krb5_kt_cursor cursor;
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krb5_keytab_entry entry;
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krb5_error_code ret;
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char *keytab_name = NULL;
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if (mem_ctx == NULL) {
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printf("talloc_init() failed\n");
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exit(1);
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}
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if (argc != 2) {
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printf("Usage: %s KEYTAB\n", argv[0]);
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exit(1);
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}
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keytab_name = argv[1];
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initialize_krb5_error_table();
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ret = krb5_init_context(&context);
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if (ret) {
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smb_krb5_err(mem_ctx, context, 1, ret, "krb5_context");
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}
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ret = smb_krb5_open_keytab_relative(context, keytab_name, false, &keytab);
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if (ret) {
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smb_krb5_err(mem_ctx, context, 1, ret, "open keytab");
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}
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ret = krb5_kt_start_seq_get(context, keytab, &cursor);
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if (ret) {
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smb_krb5_err(mem_ctx, context, 1, ret, "krb5_kt_start_seq_get");
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}
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for (ret = krb5_kt_next_entry(context, keytab, &entry, &cursor);
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ret == 0;
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ret = krb5_kt_next_entry(context, keytab, &entry, &cursor))
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{
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char *principal = NULL;
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char *enctype_str = NULL;
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krb5_enctype enctype = smb_get_enctype_from_kt_entry(&entry);
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ret = smb_krb5_unparse_name(mem_ctx,
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context,
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entry.principal,
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&principal);
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if (ret) {
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smb_krb5_err(mem_ctx, context, 1, ret, "krb5_enctype_to_string");
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}
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ret = smb_krb5_enctype_to_string(context,
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enctype,
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&enctype_str);
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if (ret) {
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smb_krb5_err(mem_ctx, context, 1, ret, "krb5_enctype_to_string");
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}
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printf("%s (%s)\n", principal, enctype_str);
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TALLOC_FREE(principal);
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SAFE_FREE(enctype_str);
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smb_krb5_kt_free_entry(context, &entry);
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}
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ret = krb5_kt_end_seq_get(context, keytab, &cursor);
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if (ret) {
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smb_krb5_err(mem_ctx, context, 1, ret, "krb5_kt_end_seq_get");
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}
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ret = krb5_kt_close(context, keytab);
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if (ret) {
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smb_krb5_err(mem_ctx, context, 1, ret, "krb5_kt_close");
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}
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krb5_free_context(context);
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talloc_free(mem_ctx);
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return 0;
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}
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