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#include "k5-int.h"
#include "auth_con.h"
krb5_error_code
krb5_auth_con_init(context, auth_context)
krb5_context context;
krb5_auth_context ** auth_context;
{
if (*auth_context = (krb5_auth_context *)malloc(sizeof(krb5_auth_context))){
memset(*auth_context, 0, sizeof(krb5_auth_context));
/* Default flags, do time not seq */
(*auth_context)->auth_context_flags =
KRB5_AUTH_CONTEXT_DO_TIME | KRB5_AUTH_CONN_INITIALIZED;
(*auth_context)->cksumtype = CKSUMTYPE_RSA_MD4_DES;
/* (*auth_context)->cksumtype = CKSUMTYPE_CRC32; */
return 0;
}
return ENOMEM;
}
krb5_error_code
krb5_auth_con_free(context, auth_context)
krb5_context context;
krb5_auth_context * auth_context;
{
if (auth_context->authentp)
krb5_free_authenticator(context, auth_context->authentp);
if (auth_context->keyblock)
krb5_free_keyblock(context, auth_context->keyblock);
if (auth_context->local_subkey)
krb5_free_keyblock(context, auth_context->local_subkey);
if (auth_context->remote_subkey)
krb5_free_keyblock(context, auth_context->remote_subkey);
free(auth_context);
return 0;
}
krb5_error_code
krb5_auth_con_setaddrs(context, auth_context, local_addr, remote_addr)
krb5_context context;
krb5_auth_context * auth_context;
krb5_address * local_addr;
krb5_address * remote_addr;
{
/* Free old addresses */
if (auth_context->local_addr)
free(auth_context->local_addr);
if (auth_context->remote_addr)
free(auth_context->remote_addr);
if (local_addr) {
if ((auth_context->local_addr = (krb5_address *)
malloc(sizeof(krb5_address) + local_addr->length)) == NULL) {
return ENOMEM;
}
auth_context->local_addr->addrtype = local_addr->addrtype;
auth_context->local_addr->length = local_addr->length;
auth_context->local_addr->contents = (krb5_octet *)
auth_context->local_addr + sizeof(krb5_address);
memcpy(auth_context->local_addr->contents,
local_addr->contents, local_addr->length);
} else {
auth_context->local_addr = NULL;
}
if (remote_addr) {
if ((auth_context->remote_addr = (krb5_address *)
malloc(sizeof(krb5_address) + remote_addr->length)) == NULL) {
if (auth_context->local_addr)
free(auth_context->local_addr);
return ENOMEM;
}
auth_context->remote_addr->addrtype = remote_addr->addrtype;
auth_context->remote_addr->length = remote_addr->length;
auth_context->remote_addr->contents = (krb5_octet *)
auth_context->remote_addr + sizeof(krb5_address);
memcpy(auth_context->remote_addr->contents,
remote_addr->contents, remote_addr->length);
} else {
auth_context->remote_addr = NULL;
}
return 0;
}
krb5_error_code
krb5_auth_con_getaddrs(context, auth_context, local_addr, remote_addr)
krb5_context context;
krb5_auth_context * auth_context;
krb5_address ** local_addr;
krb5_address ** remote_addr;
{
krb5_address * tmp_addr;
if (local_addr && auth_context->local_addr) {
if ((tmp_addr = (krb5_address *)malloc(sizeof(krb5_address))) == NULL)
return ENOMEM;
if (tmp_addr->contents = malloc(auth_context->local_addr->length)) {
memcpy(tmp_addr->contents, auth_context->local_addr->contents,
auth_context->local_addr->length);
tmp_addr->addrtype = auth_context->local_addr->addrtype;
tmp_addr->length = auth_context->local_addr->length;
*local_addr = tmp_addr;
} else {
free(tmp_addr);
return ENOMEM;
}
}
if ((remote_addr) && auth_context->remote_addr) {
if ((tmp_addr = (krb5_address *)malloc(sizeof(krb5_address))) == NULL) {
if (local_addr && auth_context->local_addr) {
krb5_free_address(context, *local_addr);
}
return ENOMEM;
}
if (tmp_addr->contents = malloc(auth_context->remote_addr->length)) {
memcpy(tmp_addr->contents, auth_context->remote_addr->contents,
auth_context->remote_addr->length);
tmp_addr->addrtype = auth_context->remote_addr->addrtype;
tmp_addr->length = auth_context->remote_addr->length;
*remote_addr = tmp_addr;
} else {
if (local_addr && auth_context->local_addr) {
krb5_free_address(context, *local_addr);
}
free(tmp_addr);
return ENOMEM;
}
}
return 0 ;
}
/* XXX this call is a hack. Fixed when I do the servers. */
krb5_error_code
krb5_auth_con_setkey(context, auth_context, keyblock)
krb5_context context;
krb5_auth_context * auth_context;
krb5_keyblock * keyblock;
{
if (auth_context->keyblock)
krb5_free_keyblock(context, auth_context->keyblock);
return(krb5_copy_keyblock(context, keyblock, &(auth_context->keyblock)));
}
/*
* This function overloads the keyblock field. It is only useful prior to
* a krb5_rd_req_decode() call for user to user authentication where the
* server has the key and needs to use it to decrypt the incoming request.
* Once decrypted this key is no longer necessary and is then overwritten
* with the session key sent by the client.
*/
krb5_error_code
krb5_auth_con_setuseruserkey(context, auth_context, keyblock)
krb5_context context;
krb5_auth_context * auth_context;
krb5_keyblock * keyblock;
{
if (auth_context->keyblock)
krb5_free_keyblock(context, auth_context->keyblock);
return(krb5_copy_keyblock(context, keyblock, &(auth_context->keyblock)));
}
krb5_error_code
krb5_auth_con_getkey(context, auth_context, keyblock)
krb5_context context;
krb5_auth_context * auth_context;
krb5_keyblock ** keyblock;
{
if (auth_context->keyblock)
return krb5_copy_keyblock(context, auth_context->keyblock, keyblock);
*keyblock = NULL;
return 0;
}
krb5_error_code
krb5_auth_con_getlocalsubkey(context, auth_context, keyblock)
krb5_context context;
krb5_auth_context * auth_context;
krb5_keyblock ** keyblock;
{
if (auth_context->local_subkey)
return krb5_copy_keyblock(context,auth_context->local_subkey,keyblock);
*keyblock = NULL;
return 0;
}
krb5_error_code
krb5_auth_con_getremotesubkey(context, auth_context, keyblock)
krb5_context context;
krb5_auth_context * auth_context;
krb5_keyblock ** keyblock;
{
if (auth_context->remote_subkey)
return krb5_copy_keyblock(context,auth_context->remote_subkey,keyblock);
*keyblock = NULL;
return 0;
}
krb5_error_code
krb5_auth_con_setcksumtype(context, auth_context, cksumtype)
krb5_context context;
krb5_auth_context * auth_context;
krb5_cksumtype cksumtype;
{
auth_context->cksumtype = cksumtype;
return 0;
}
krb5_error_code
krb5_auth_con_getlocalseqnumber(context, auth_context, seqnumber)
krb5_context context;
krb5_auth_context * auth_context;
krb5_int32 * seqnumber;
{
*seqnumber = auth_context->local_seq_number;
return 0;
}
krb5_error_code
krb5_auth_con_getauthenticator(context, auth_context, authenticator)
krb5_context context;
krb5_auth_context * auth_context;
krb5_authenticator ** authenticator;
{
return (krb5_copy_authenticator(context, auth_context->authentp,
authenticator));
}
krb5_error_code
krb5_auth_con_getremoteseqnumber(context, auth_context, seqnumber)
krb5_context context;
krb5_auth_context * auth_context;
krb5_int32 * seqnumber;
{
*seqnumber = auth_context->remote_seq_number;
return 0;
}
krb5_error_code
krb5_auth_con_initivector(context, auth_context)
krb5_context context;
krb5_auth_context * auth_context;
{
if (auth_context->keyblock) {
int size = krb5_keytype_array[auth_context->keyblock->keytype]->
system->block_length;
if (auth_context->i_vector = (krb5_pointer)malloc(size)) {
memset(auth_context->i_vector, 0, size);
return 0;
}
return ENOMEM;
}
return EINVAL; /* XXX need an error for no keyblock */
}
krb5_error_code
krb5_auth_con_setivector(context, auth_context, ivector)
krb5_context context;
krb5_auth_context * auth_context;
krb5_pointer ivector;
{
auth_context->i_vector = ivector;
return 0;
}
krb5_error_code
krb5_auth_con_getivector(context, auth_context, ivector)
krb5_context context;
krb5_auth_context * auth_context;
krb5_pointer * ivector;
{
*ivector = auth_context->i_vector;
return 0;
}
krb5_error_code
krb5_auth_con_setflags(context, auth_context, flags)
krb5_context context;
krb5_auth_context * auth_context;
krb5_int32 flags;
{
auth_context->auth_context_flags = flags;
return 0;
}
krb5_error_code
krb5_auth_con_getflags(context, auth_context, flags)
krb5_context context;
krb5_auth_context * auth_context;
krb5_int32 * flags;
{
*flags = auth_context->auth_context_flags;
return 0;
}
krb5_error_code
krb5_auth_con_setrcache(context, auth_context, rcache)
krb5_context context;
krb5_auth_context * auth_context;
krb5_rcache rcache;
{
auth_context->rcache = rcache;
return 0;
}
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