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Call `gssapi_krb5_make_header'

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2283 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-07-14 11:44:56 +00:00
parent 88e55002dc
commit ded732c214
4 changed files with 68 additions and 56 deletions
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26
lib/gssapi/krb5/get_mic.c
View File

@@ -11,27 +11,25 @@ OM_uint32 gss_get_mic
)
{
u_char *p;
size_t len;
struct md5 md5;
u_char hash[16];
des_key_schedule schedule;
des_cblock key;
des_cblock zero;
int32_t seq_number;
size_t len, total_len;
len = 28 + GSS_KRB5_MECHANISM->length;
message_token->length = len;
message_token->value = malloc (len);
gssapi_krb5_encap_length (22, &len, &total_len);
message_token->length = total_len;
message_token->value = malloc (total_len);
if (message_token->value == NULL)
return GSS_S_FAILURE;
p = message_token->value;
memcpy (p, "\x60\x07\x06\x05", 4);
p += 4;
memcpy (p, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length);
p += GSS_KRB5_MECHANISM->length;
memcpy (p, "\x01\x01", 2);
p += 2;
p = gssapi_krb5_make_header(message_token->value,
len,
"\x01\x01");
memcpy (p, "\x00\x00", 2);
p += 2;
memcpy (p, "\xff\xff\xff\xff", 4);
@@ -49,8 +47,12 @@ OM_uint32 gss_get_mic
md5_finito (&md5, hash);
memset (&zero, 0, sizeof(zero));
#if 0
memcpy (&key, context_handle->auth_context->key.keyvalue.data,
sizeof(key));
#endif
memcpy (&key, context_handle->auth_context->local_subkey.keyvalue.data,
sizeof(key));
des_set_key (&key, schedule);
des_cbc_cksum ((des_cblock *)hash,
(des_cblock *)hash, sizeof(hash), schedule, &zero);
@@ -72,7 +74,7 @@ OM_uint32 gss_get_mic
des_set_key (&key, schedule);
des_cbc_encrypt ((des_cblock *)p, (des_cblock *)p, 8,
schedule, (des_cblock *)(p + 16), DES_ENCRYPT);
schedule, (des_cblock *)(p + 8), DES_ENCRYPT);
krb5_auth_setlocalseqnumber (gssapi_krb5_context,
context_handle->auth_context,

36
lib/gssapi/krb5/wrap.c
View File

@@ -13,33 +13,29 @@ OM_uint32 gss_wrap
)
{
u_char *p;
size_t len;
struct md5 md5;
u_char hash[16];
des_key_schedule schedule;
des_cblock key;
des_cblock zero;
size_t padlength;
int i;
int32_t seq_number;
size_t len, total_len, padlength;
padlength = 8 - (input_message_buffer->length % 8);
len = input_message_buffer->length + 8 + padlength + 22;
gssapi_krb5_encap_length (len, &len, &total_len);
len = input_message_buffer->length + 8 + padlength + 28
+ GSS_KRB5_MECHANISM->length;
output_message_buffer->length = len;
output_message_buffer->value = malloc (len);
output_message_buffer->length = total_len;
output_message_buffer->value = malloc (total_len);
if (output_message_buffer->value == NULL)
return GSS_S_FAILURE;
p = output_message_buffer->value;
memcpy (p, "\x60\x07\x06\x05", 4);
p += 4;
memcpy (p, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length);
p += GSS_KRB5_MECHANISM->length;
/* TOK_ID */
memcpy (p, "\x02\x01", 2);
p += 2;
p = gssapi_krb5_make_header(output_message_buffer->value,
len,
"\x02\x01");
/* SGN_ALG */
memcpy (p, "\x00\x00", 2);
p += 2;
@@ -63,12 +59,16 @@ OM_uint32 gss_wrap
/* checksum */
md5_init (&md5);
md5_update (&md5, p - 24, 8);
md5_update (&md5, p + 8, input_message_buffer->length + padlength);
md5_update (&md5, p, input_message_buffer->length + padlength + 8);
md5_finito (&md5, hash);
memset (&zero, 0, sizeof(zero));
#if 0
memcpy (&key, context_handle->auth_context->key.keyvalue.data,
sizeof(key));
#endif
memcpy (&key, context_handle->auth_context->local_subkey.keyvalue.data,
sizeof(key));
des_set_key (&key, schedule);
des_cbc_cksum ((des_cblock *)hash,
(des_cblock *)hash, sizeof(hash), schedule, &zero);
@@ -90,7 +90,7 @@ OM_uint32 gss_wrap
des_set_key (&key, schedule);
des_cbc_encrypt ((des_cblock *)p, (des_cblock *)p, 8,
schedule, (des_cblock *)(p + 16), DES_ENCRYPT);
schedule, (des_cblock *)(p + 8), DES_ENCRYPT);
krb5_auth_setlocalseqnumber (gssapi_krb5_context,
context_handle->auth_context,
@@ -100,8 +100,12 @@ OM_uint32 gss_wrap
p += 16;
memset (&zero, 0, sizeof(zero));
#if 0
memcpy (&key, context_handle->auth_context->key.keyvalue.data,
sizeof(key));
#endif
memcpy (&key, context_handle->auth_context->local_subkey.keyvalue.data,
sizeof(key));
for (i = 0; i < sizeof(key); ++i)
key[i] ^= 0xf0;
des_set_key (&key, schedule);