diff options
Diffstat (limited to 'src/lib/krb5/krb/t_pac.c')
| -rw-r--r-- | src/lib/krb5/krb/t_pac.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/src/lib/krb5/krb/t_pac.c b/src/lib/krb5/krb/t_pac.c new file mode 100644 index 0000000..9e0ee7d --- /dev/null +++ b/src/lib/krb5/krb/t_pac.c @@ -0,0 +1,318 @@ +/* -*- mode: c; indent-tabs-mode: nil -*- */ +/* + * Copyright (c) 2006 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "k5-int.h" + +/* + * This PAC and keys are copied (with permission) from Samba torture + * regression test suite, they where created by Andrew Bartlet. + */ + +static const unsigned char saved_pac[] = { + 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0xd8, 0x01, 0x00, 0x00, + 0x48, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, + 0x20, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, + 0x40, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, + 0x58, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x10, 0x08, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, + 0xc8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x30, 0xdf, 0xa6, 0xcb, + 0x4f, 0x7d, 0xc5, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0xff, 0xff, 0xff, 0xff, + 0xff, 0xff, 0xff, 0x7f, 0xc0, 0x3c, 0x4e, 0x59, 0x62, 0x73, 0xc5, 0x01, 0xc0, 0x3c, 0x4e, 0x59, + 0x62, 0x73, 0xc5, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x16, 0x00, 0x16, 0x00, + 0x04, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x0c, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x14, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x02, 0x00, 0x65, 0x00, 0x00, 0x00, + 0xed, 0x03, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x02, 0x00, + 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x16, 0x00, 0x20, 0x00, 0x02, 0x00, 0x16, 0x00, 0x18, 0x00, + 0x24, 0x00, 0x02, 0x00, 0x28, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x01, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, + 0x57, 0x00, 0x32, 0x00, 0x30, 0x00, 0x30, 0x00, 0x33, 0x00, 0x46, 0x00, 0x49, 0x00, 0x4e, 0x00, + 0x41, 0x00, 0x4c, 0x00, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x04, 0x02, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, + 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x57, 0x00, 0x32, 0x00, + 0x30, 0x00, 0x30, 0x00, 0x33, 0x00, 0x46, 0x00, 0x49, 0x00, 0x4e, 0x00, 0x41, 0x00, 0x4c, 0x00, + 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x57, 0x00, 0x49, 0x00, + 0x4e, 0x00, 0x32, 0x00, 0x4b, 0x00, 0x33, 0x00, 0x54, 0x00, 0x48, 0x00, 0x49, 0x00, 0x4e, 0x00, + 0x4b, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, + 0x15, 0x00, 0x00, 0x00, 0x11, 0x2f, 0xaf, 0xb5, 0x90, 0x04, 0x1b, 0xec, 0x50, 0x3b, 0xec, 0xdc, + 0x01, 0x00, 0x00, 0x00, 0x30, 0x00, 0x02, 0x00, 0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x09, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x80, 0x66, 0x28, 0xea, 0x37, 0x80, 0xc5, 0x01, 0x16, 0x00, 0x77, 0x00, 0x32, 0x00, 0x30, 0x00, + 0x30, 0x00, 0x33, 0x00, 0x66, 0x00, 0x69, 0x00, 0x6e, 0x00, 0x61, 0x00, 0x6c, 0x00, 0x24, 0x00, + 0x76, 0xff, 0xff, 0xff, 0x37, 0xd5, 0xb0, 0xf7, 0x24, 0xf0, 0xd6, 0xd4, 0xec, 0x09, 0x86, 0x5a, + 0xa0, 0xe8, 0xc3, 0xa9, 0x00, 0x00, 0x00, 0x00, 0x76, 0xff, 0xff, 0xff, 0xb4, 0xd8, 0xb8, 0xfe, + 0x83, 0xb3, 0x13, 0x3f, 0xfc, 0x5c, 0x41, 0xad, 0xe2, 0x64, 0x83, 0xe0, 0x00, 0x00, 0x00, 0x00 +}; + +static unsigned int type_1_length = 472; + +static const krb5_keyblock kdc_keyblock = { + 0, ENCTYPE_ARCFOUR_HMAC, + 16, (krb5_octet *)"\xB2\x86\x75\x71\x48\xAF\x7F\xD2\x52\xC5\x36\x03\xA1\x50\xB7\xE7" +}; + +static const krb5_keyblock member_keyblock = { + 0, ENCTYPE_ARCFOUR_HMAC, + 16, (krb5_octet *)"\xD2\x17\xFA\xEA\xE5\xE6\xB5\xF9\x5C\xCC\x94\x07\x7A\xB8\xA5\xFC" +}; + +static time_t authtime = 1120440609; +static const char *user = "w2003final$@WIN2K3.THINKER.LOCAL"; + +static void err(krb5_context ctx, krb5_error_code code, const char *fmt, ...) + __attribute__((__format__(__printf__, 3, 0))); + +static void +err(krb5_context ctx, krb5_error_code code, const char *fmt, ...) +{ + va_list ap; + char *msg; + const char *errmsg = NULL; + + va_start(ap, fmt); + if (vasprintf(&msg, fmt, ap) < 0) + exit(1); + va_end(ap); + if (ctx && code) + errmsg = krb5_get_error_message(ctx, code); + if (errmsg) + fprintf(stderr, "t_pac: %s: %s\n", msg, errmsg); + else + fprintf(stderr, "t_pac: %s\n", msg); + exit(1); +} + +int +main(int argc, char **argv) +{ + krb5_error_code ret; + krb5_context context; + krb5_pac pac; + krb5_data data; + krb5_principal p; + + ret = krb5_init_context(&context); + if (ret) + err(NULL, 0, "krb5_init_contex"); + + krb5_set_default_realm(context, "WIN2K3.THINKER.LOCAL"); + + ret = krb5_parse_name(context, user, &p); + if (ret) + err(context, ret, "krb5_parse_name"); + + ret = krb5_pac_parse(context, saved_pac, sizeof(saved_pac), &pac); + if (ret) + err(context, ret, "krb5_pac_parse"); + + ret = krb5_pac_verify(context, pac, authtime, p, + &member_keyblock, &kdc_keyblock); + if (ret) + err(context, ret, "krb5_pac_verify"); + + ret = krb5int_pac_sign(context, pac, authtime, p, + &member_keyblock, &kdc_keyblock, &data); + if (ret) + err(context, ret, "krb5int_pac_sign"); + + krb5_pac_free(context, pac); + + ret = krb5_pac_parse(context, data.data, data.length, &pac); + krb5_free_data_contents(context, &data); + if (ret) + err(context, ret, "krb5_pac_parse 2"); + + ret = krb5_pac_verify(context, pac, authtime, p, + &member_keyblock, &kdc_keyblock); + if (ret) + err(context, ret, "krb5_pac_verify 2"); + + /* make a copy and try to reproduce it */ + { + uint32_t *list; + size_t len, i; + krb5_pac pac2; + + ret = krb5_pac_init(context, &pac2); + if (ret) + err(context, ret, "krb5_pac_init"); + + /* our two user buffer plus the three "system" buffers */ + ret = krb5_pac_get_types(context, pac, &len, &list); + if (ret) + err(context, ret, "krb5_pac_get_types"); + + for (i = 0; i < len; i++) { + /* skip server_cksum, privsvr_cksum, and logon_name */ + if (list[i] == 6 || list[i] == 7 || list[i] == 10) + continue; + + ret = krb5_pac_get_buffer(context, pac, list[i], &data); + if (ret) + err(context, ret, "krb5_pac_get_buffer"); + + if (list[i] == 1) { + if (type_1_length != data.length) + err(context, 0, "type 1 have wrong length: %lu", + (unsigned long)data.length); + } else + err(context, 0, "unknown type %lu", (unsigned long)list[i]); + + ret = krb5_pac_add_buffer(context, pac2, list[i], &data); + if (ret) + err(context, ret, "krb5_pac_add_buffer"); + krb5_free_data_contents(context, &data); + } + free(list); + + ret = krb5int_pac_sign(context, pac2, authtime, p, + &member_keyblock, &kdc_keyblock, &data); + if (ret) + err(context, ret, "krb5int_pac_sign 4"); + + krb5_pac_free(context, pac2); + + ret = krb5_pac_parse(context, data.data, data.length, &pac2); + if (ret) + err(context, ret, "krb5_pac_parse 4"); + + ret = krb5_pac_verify(context, pac2, authtime, p, + &member_keyblock, &kdc_keyblock); + if (ret) + err(context, ret, "krb5_pac_verify 4"); + + krb5_pac_free(context, pac2); + } + + krb5_pac_free(context, pac); + + /* + * Test empty free + */ + + ret = krb5_pac_init(context, &pac); + if (ret) + err(context, ret, "krb5_pac_init"); + krb5_pac_free(context, pac); + + /* + * Test add remove buffer + */ + + ret = krb5_pac_init(context, &pac); + if (ret) + err(context, ret, "krb5_pac_init"); + + { + const krb5_data cdata = { 0, 2, "\x00\x01" } ; + + ret = krb5_pac_add_buffer(context, pac, 1, &cdata); + if (ret) + err(context, ret, "krb5_pac_add_buffer"); + } + { + ret = krb5_pac_get_buffer(context, pac, 1, &data); + if (ret) + err(context, ret, "krb5_pac_get_buffer"); + if (data.length != 2 || memcmp(data.data, "\x00\x01", 2) != 0) + err(context, 0, "krb5_pac_get_buffer data not the same"); + krb5_free_data_contents(context, &data); + } + + { + const krb5_data cdata = { 0, 2, "\x02\x00" } ; + + ret = krb5_pac_add_buffer(context, pac, 2, &cdata); + if (ret) + err(context, ret, "krb5_pac_add_buffer"); + } + { + ret = krb5_pac_get_buffer(context, pac, 1, &data); + if (ret) + err(context, ret, "krb5_pac_get_buffer"); + if (data.length != 2 || memcmp(data.data, "\x00\x01", 2) != 0) + err(context, 0, "krb5_pac_get_buffer data not the same"); + krb5_free_data_contents(context, &data); + /* */ + ret = krb5_pac_get_buffer(context, pac, 2, &data); + if (ret) + err(context, ret, "krb5_pac_get_buffer"); + if (data.length != 2 || memcmp(data.data, "\x02\x00", 2) != 0) + err(context, 0, "krb5_pac_get_buffer data not the same"); + krb5_free_data_contents(context, &data); + } + + ret = krb5int_pac_sign(context, pac, authtime, p, + &member_keyblock, &kdc_keyblock, &data); + if (ret) + err(context, ret, "krb5int_pac_sign"); + + krb5_pac_free(context, pac); + + ret = krb5_pac_parse(context, data.data, data.length, &pac); + krb5_free_data_contents(context, &data); + if (ret) + err(context, ret, "krb5_pac_parse 3"); + + ret = krb5_pac_verify(context, pac, authtime, p, + &member_keyblock, &kdc_keyblock); + if (ret) + err(context, ret, "krb5_pac_verify 3"); + + { + uint32_t *list; + size_t len; + + /* our two user buffer plus the three "system" buffers */ + ret = krb5_pac_get_types(context, pac, &len, &list); + if (ret) + err(context, ret, "krb5_pac_get_types"); + if (len != 5) + err(context, 0, "list wrong length"); + free(list); + } + + krb5_pac_free(context, pac); + + krb5_free_principal(context, p); + krb5_free_context(context); + + return 0; +} |