2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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7 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
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18 * may be used to endorse or promote products derived from this software
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34 #include <krb5_locl.h>
36 RCSID("$Id: rd_rep.c,v 1.22 2001/06/18 02:46:53 assar Exp $");
39 krb5_rd_rep(krb5_context context
,
40 krb5_auth_context auth_context
,
41 const krb5_data
*inbuf
,
42 krb5_ap_rep_enc_part
**repl
)
50 krb5_data_zero (&data
);
53 ret
= decode_AP_REP(inbuf
->data
, inbuf
->length
, &ap_rep
, &len
);
56 if (ap_rep
.pvno
!= 5) {
57 ret
= KRB5KRB_AP_ERR_BADVERSION
;
58 krb5_clear_error_string (context
);
61 if (ap_rep
.msg_type
!= krb_ap_rep
) {
62 ret
= KRB5KRB_AP_ERR_MSG_TYPE
;
63 krb5_clear_error_string (context
);
67 ret
= krb5_crypto_init(context
, auth_context
->keyblock
, 0, &crypto
);
70 ret
= krb5_decrypt_EncryptedData (context
,
72 KRB5_KU_AP_REQ_ENC_PART
,
75 krb5_crypto_destroy(context
, crypto
);
79 *repl
= malloc(sizeof(**repl
));
82 krb5_set_error_string (context
, "malloc: out of memory");
85 ret
= krb5_decode_EncAPRepPart(context
,
93 if ((*repl
)->ctime
!= auth_context
->authenticator
->ctime
||
94 (*repl
)->cusec
!= auth_context
->authenticator
->cusec
) {
95 ret
= KRB5KRB_AP_ERR_MUT_FAIL
;
96 krb5_clear_error_string (context
);
99 if ((*repl
)->seq_number
)
100 krb5_auth_con_setremoteseqnumber(context
, auth_context
,
101 *((*repl
)->seq_number
));
103 krb5_auth_con_setremotesubkey(context
, auth_context
, (*repl
)->subkey
);
106 krb5_data_free (&data
);
107 free_AP_REP (&ap_rep
);
112 krb5_free_ap_rep_enc_part (krb5_context context
,
113 krb5_ap_rep_enc_part
*val
)
115 free_EncAPRepPart (val
);