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r19663: merge changes from lorikeet heimdal:

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support for netbios domain based realms

metze
This commit is contained in:
Stefan Metzmacher 2006-11-11 14:00:24 +00:00 committed by Gerald (Jerry) Carter
parent cfee02143f
commit dcec6eebf1
1 changed files with 53 additions and 23 deletions
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76
source/heimdal/lib/krb5/get_in_tkt.c
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@ -131,12 +131,21 @@ _krb5_extract_ticket(krb5_context context,
krb5_const_pointer decryptarg)
{
krb5_error_code ret;
krb5_principal tmp_principal;
krb5_principal tmp_principal, srv_principal = NULL;
int tmp;
size_t len;
time_t tmp_time;
krb5_timestamp sec_now;
/*
* HACK:
* this is really a ugly hack, to support using the Netbios Domain Name
* as realm against windows KDC's, they always return the full realm
* based on the DNS Name.
*/
allow_server_mismatch = 1;
ignore_cname = 1;
ret = _krb5_principalname2krb5_principal (context,
&tmp_principal,
rep->kdc_rep.cname,
@ -169,28 +178,6 @@ _krb5_extract_ticket(krb5_context context,
creds->second_ticket.length = 0;
creds->second_ticket.data = NULL;
/* compare server */
ret = _krb5_principalname2krb5_principal (context,
&tmp_principal,
rep->kdc_rep.ticket.sname,
rep->kdc_rep.ticket.realm);
if (ret)
goto out;
if(allow_server_mismatch){
krb5_free_principal(context, creds->server);
creds->server = tmp_principal;
tmp_principal = NULL;
}else{
tmp = krb5_principal_compare (context, tmp_principal, creds->server);
krb5_free_principal (context, tmp_principal);
if (!tmp) {
ret = KRB5KRB_AP_ERR_MODIFIED;
krb5_clear_error_string (context);
goto out;
}
}
/* decrypt */
if (decrypt_proc == NULL)
@ -207,6 +194,47 @@ _krb5_extract_ticket(krb5_context context,
goto out;
#endif
/* compare server */
ret = _krb5_principalname2krb5_principal (context,
&srv_principal,
rep->kdc_rep.ticket.sname,
rep->kdc_rep.ticket.realm);
if (ret)
goto out;
ret = _krb5_principalname2krb5_principal (context,
&tmp_principal,
rep->enc_part.sname,
rep->enc_part.srealm);
if (ret)
goto out;
/*
* see if the service principal matches in the ticket
* and in the enc_part
*/
tmp = krb5_principal_compare (context, tmp_principal, srv_principal);
krb5_free_principal (context, tmp_principal);
if (!tmp) {
ret = KRB5KRB_AP_ERR_MODIFIED;
krb5_clear_error_string (context);
goto out;
}
if(allow_server_mismatch){
krb5_free_principal(context, creds->server);
creds->server = srv_principal;
srv_principal = NULL;
}else{
tmp = krb5_principal_compare (context, srv_principal, creds->server);
if (!tmp) {
ret = KRB5KRB_AP_ERR_MODIFIED;
krb5_clear_error_string (context);
goto out;
}
}
/* compare nonces */
if (nonce != rep->enc_part.nonce) {
@ -301,6 +329,8 @@ _krb5_extract_ticket(krb5_context context,
out:
memset (rep->enc_part.key.keyvalue.data, 0,
rep->enc_part.key.keyvalue.length);
if (srv_principal)
krb5_free_principal (context, srv_principal);
return ret;
}