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#include "k5-int.h"
#include "auth_con.h"
static krb5_error_code
actx_copy_addr(context, inad, outad)
krb5_context context;
const krb5_address *inad;
krb5_address **outad;
{
krb5_address *tmpad;
if (!(tmpad = (krb5_address *)malloc(sizeof(*tmpad))))
return ENOMEM;
#ifdef HAVE_C_STRUCTURE_ASSIGNMENT
*tmpad = *inad;
#else
memcpy(tmpad, inad, sizeof(krb5_address));
#endif
if (!(tmpad->contents = (krb5_octet *)malloc(inad->length))) {
krb5_xfree(tmpad);
return ENOMEM;
}
memcpy((char *)tmpad->contents, (char *)inad->contents, inad->length);
*outad = tmpad;
return 0;
}
krb5_error_code
krb5_auth_con_init(context, auth_context)
krb5_context context;
krb5_auth_context * auth_context;
{
*auth_context =
(krb5_auth_context)malloc(sizeof(struct _krb5_auth_context));
if (!*auth_context)
return ENOMEM;
memset(*auth_context, 0, sizeof(struct _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; */
(*auth_context)->magic = KV5M_AUTH_CONTEXT;
return 0;
}
krb5_error_code
krb5_auth_con_free(context, auth_context)
krb5_context context;
krb5_auth_context auth_context;
{
if (auth_context->local_addr)
krb5_free_address(context, auth_context->local_addr);
if (auth_context->remote_addr)
krb5_free_address(context, auth_context->remote_addr);
if (auth_context->local_port)
krb5_free_address(context, auth_context->local_port);
if (auth_context->remote_port)
krb5_free_address(context, auth_context->remote_port);
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);
if (auth_context->rcache)
krb5_rc_close(context, auth_context->rcache);
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;
{
krb5_error_code retval;
/* Free old addresses */
if (auth_context->local_addr)
(void) krb5_free_address(context, auth_context->local_addr);
if (auth_context->remote_addr)
(void) krb5_free_address(context, auth_context->remote_addr);
retval = 0;
if (local_addr)
retval = actx_copy_addr(context,
local_addr,
&auth_context->local_addr);
else
auth_context->local_addr = NULL;
if (!retval && remote_addr)
retval = actx_copy_addr(context,
remote_addr,
&auth_context->remote_addr);
else
auth_context->remote_addr = NULL;
return retval;
}
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_error_code retval;
retval = 0;
if (local_addr && auth_context->local_addr) {
retval = actx_copy_addr(context,
auth_context->local_addr,
local_addr);
}
if (!retval && (remote_addr) && auth_context->remote_addr) {
retval = actx_copy_addr(context,
auth_context->remote_addr,
remote_addr);
}
return retval;
}
krb5_error_code
krb5_auth_con_setports(context, auth_context, local_port, remote_port)
krb5_context context;
krb5_auth_context auth_context;
krb5_address * local_port;
krb5_address * remote_port;
{
krb5_error_code retval;
/* Free old addresses */
if (auth_context->local_port)
(void) krb5_free_address(context, auth_context->local_port);
if (auth_context->remote_port)
(void) krb5_free_address(context, auth_context->remote_port);
retval = 0;
if (local_port)
retval = actx_copy_addr(context,
local_port,
&auth_context->local_port);
else
auth_context->local_port = NULL;
if (!retval && remote_port)
retval = actx_copy_addr(context,
remote_port,
&auth_context->remote_port);
else
auth_context->remote_port = NULL;
return retval;
}
/*
* 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;
}
krb5_error_code
krb5_auth_con_getrcache(context, auth_context, rcache)
krb5_context context;
krb5_auth_context auth_context;
krb5_rcache * rcache;
{
*rcache = auth_context->rcache;
return 0;
}
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