#include "mglueP.h"
static OM_uint32
val_seal_args(
OM_uint32 *minor_status,
gss_ctx_id_t context_handle,
int conf_req_flag,
int qop_req,
gss_buffer_t input_message_buffer,
int *conf_state,
gss_buffer_t output_message_buffer)
{
if (minor_status != NULL)
*minor_status = 0;
if (output_message_buffer != GSS_C_NO_BUFFER) {
output_message_buffer->length = 0;
output_message_buffer->value = NULL;
}
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
if (context_handle == GSS_C_NO_CONTEXT)
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
if (input_message_buffer == GSS_C_NO_BUFFER)
return (GSS_S_CALL_INACCESSIBLE_READ);
if (output_message_buffer == GSS_C_NO_BUFFER)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
return (GSS_S_COMPLETE);
}
OM_uint32 KRB5_CALLCONV
gss_seal (minor_status,
context_handle,
conf_req_flag,
qop_req,
input_message_buffer,
conf_state,
output_message_buffer)
OM_uint32 * minor_status;
gss_ctx_id_t context_handle;
int conf_req_flag;
int qop_req;
gss_buffer_t input_message_buffer;
int * conf_state;
gss_buffer_t output_message_buffer;
{
OM_uint32 status;
gss_union_ctx_id_t ctx;
gss_mechanism mech;
status = val_seal_args(minor_status, context_handle,
conf_req_flag, qop_req,
input_message_buffer, conf_state,
output_message_buffer);
if (status != GSS_S_COMPLETE)
return (status);
ctx = (gss_union_ctx_id_t) context_handle;
mech = gssint_get_mechanism (ctx->mech_type);
if (mech) {
if (mech->gss_seal)
status = mech->gss_seal(
mech->context,
minor_status,
ctx->internal_ctx_id,
conf_req_flag,
qop_req,
input_message_buffer,
conf_state,
output_message_buffer);
else
status = GSS_S_UNAVAILABLE;
return(status);
}
return (GSS_S_BAD_MECH);
}
OM_uint32 KRB5_CALLCONV
gss_wrap (minor_status,
context_handle,
conf_req_flag,
qop_req,
input_message_buffer,
conf_state,
output_message_buffer)
OM_uint32 * minor_status;
gss_ctx_id_t context_handle;
int conf_req_flag;
gss_qop_t qop_req;
gss_buffer_t input_message_buffer;
int * conf_state;
gss_buffer_t output_message_buffer;
{
return gss_seal(minor_status, (gss_ctx_id_t)context_handle,
conf_req_flag, (int) qop_req,
(gss_buffer_t)input_message_buffer, conf_state,
output_message_buffer);
}
OM_uint32 KRB5_CALLCONV
gss_wrap_size_limit(minor_status, context_handle, conf_req_flag,
qop_req, req_output_size, max_input_size)
OM_uint32 *minor_status;
gss_ctx_id_t context_handle;
int conf_req_flag;
gss_qop_t qop_req;
OM_uint32 req_output_size;
OM_uint32 *max_input_size;
{
gss_union_ctx_id_t ctx;
gss_mechanism mech;
if (minor_status == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
*minor_status = 0;
if (context_handle == GSS_C_NO_CONTEXT)
return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
if (max_input_size == NULL)
return (GSS_S_CALL_INACCESSIBLE_WRITE);
ctx = (gss_union_ctx_id_t) context_handle;
mech = gssint_get_mechanism (ctx->mech_type);
if (!mech)
return (GSS_S_BAD_MECH);
if (!mech->gss_wrap_size_limit)
return (GSS_S_UNAVAILABLE);
return (mech->gss_wrap_size_limit(mech->context, minor_status,
ctx->internal_ctx_id, conf_req_flag, qop_req,
req_output_size, max_input_size));
}