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(decrypt_authenticator): add an encryption `usage'. also try the old

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(and wrong) usage of KRB5_KU_AP_REQ_AUTH for backwards compatibility
(krb5_verify_ap_req2): new function for specifying the usage different
from the default (KRB5_KU_AP_REQ_AUTH)


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@9199 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
2000-11-15 23:16:28 +00:00
parent dadda4470a
commit fd1fa8bd77
1 changed files with 34 additions and 3 deletions
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37
lib/krb5/rd_req.c
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@@ -68,7 +68,8 @@ static krb5_error_code
decrypt_authenticator (krb5_context context,
EncryptionKey *key,
EncryptedData *enc_part,
Authenticator *authenticator)
Authenticator *authenticator,
krb5_key_usage usage)
{
krb5_error_code ret;
krb5_data plain;
@@ -80,9 +81,16 @@ decrypt_authenticator (krb5_context context,
return ret;
ret = krb5_decrypt_EncryptedData (context,
crypto,
KRB5_KU_AP_REQ_AUTH,
usage /* KRB5_KU_AP_REQ_AUTH */,
enc_part,
&plain);
/* for backwards compatibility, also try the old usage */
if (ret && usage == KRB5_KU_TGS_REQ_AUTH)
ret = krb5_decrypt_EncryptedData (context,
crypto,
KRB5_KU_AP_REQ_AUTH,
enc_part,
&plain);
krb5_crypto_destroy(context, crypto);
if (ret)
return ret;
@@ -229,6 +237,28 @@ krb5_verify_ap_req(krb5_context context,
krb5_flags flags,
krb5_flags *ap_req_options,
krb5_ticket **ticket)
{
return krb5_verify_ap_req2 (context,
auth_context,
ap_req,
server,
keyblock,
flags,
ap_req_options,
ticket,
KRB5_KU_AP_REQ_AUTH);
}
krb5_error_code
krb5_verify_ap_req2(krb5_context context,
krb5_auth_context *auth_context,
krb5_ap_req *ap_req,
krb5_const_principal server,
krb5_keyblock *keyblock,
krb5_flags flags,
krb5_flags *ap_req_options,
krb5_ticket **ticket,
krb5_key_usage usage)
{
krb5_ticket t;
krb5_auth_context ac;
@@ -270,7 +300,8 @@ krb5_verify_ap_req(krb5_context context,
ret = decrypt_authenticator (context,
&t.ticket.key,
&ap_req->authenticator,
ac->authenticator);
ac->authenticator,
usage);
if (ret)
goto out2;