OM_uint32
gss_init_sec_context(OM_uint32 * minor_status,
const gss_cred_id_t initiator_cred_handle,
gss_ctx_id_t * context_handle,
const gss_name_t target_name,
const gss_OID input_mech_type,
OM_uint32 req_flags,
OM_uint32 time_req,
const gss_channel_bindings_t input_chan_bindings,
const gss_buffer_t input_token,
gss_OID * actual_mech_type,
gss_buffer_t output_token,
OM_uint32 * ret_flags,
OM_uint32 * time_rec)
{
struct init_sec_context_res res;
struct init_sec_context_args args;
enum clnt_stat stat;
gss_ctx_id_t ctx = *context_handle;
*minor_status = 0;
if (!kgss_gssd_handle)
return (GSS_S_FAILURE);
args.uid = curthread->td_ucred->cr_uid;
if (initiator_cred_handle)
args.cred = initiator_cred_handle->handle;
else
args.cred = 0;
if (ctx)
args.ctx = ctx->handle;
else
args.ctx = 0;
args.name = target_name->handle;
args.mech_type = input_mech_type;
args.req_flags = req_flags;
args.time_req = time_req;
args.input_chan_bindings = input_chan_bindings;
if (input_token)
args.input_token = *input_token;
else {
args.input_token.length = 0;
args.input_token.value = NULL;
}
bzero(&res, sizeof(res));
stat = gssd_init_sec_context_1(&args, &res, kgss_gssd_handle);
if (stat != RPC_SUCCESS) {
*minor_status = stat;
return (GSS_S_FAILURE);
}
if (res.major_status != GSS_S_COMPLETE
&& res.major_status != GSS_S_CONTINUE_NEEDED) {
*minor_status = res.minor_status;
xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
return (res.major_status);
}
*minor_status = res.minor_status;
if (!ctx) {
ctx = kgss_create_context(res.actual_mech_type);
if (!ctx) {
xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
*minor_status = 0;
return (GSS_S_BAD_MECH);
}
}
*context_handle = ctx;
ctx->handle = res.ctx;
if (actual_mech_type)
*actual_mech_type = KGSS_MECH_TYPE(ctx);
kgss_copy_buffer(&res.output_token, output_token);
if (ret_flags)
*ret_flags = res.ret_flags;
if (time_rec)
*time_rec = res.time_rec;
xdr_free((xdrproc_t) xdr_init_sec_context_res, &res);
/*
* If the context establishment is complete, export it from
* userland and hand the result (which includes key material
* etc.) to the kernel implementation.
*/
if (res.major_status == GSS_S_COMPLETE)
res.major_status = kgss_transfer_context(ctx);
return (res.major_status);
}
OM_uint32 gss_accept_sec_context(OM_uint32 *minor_status,
gss_ctx_id_t *context_handle,
const gss_cred_id_t acceptor_cred_handle,
const gss_buffer_t input_token,
const gss_channel_bindings_t input_chan_bindings,
gss_name_t *src_name,
gss_OID *mech_type,
gss_buffer_t output_token,
OM_uint32 *ret_flags,
OM_uint32 *time_rec,
gss_cred_id_t *delegated_cred_handle)
{
struct accept_sec_context_res res;
struct accept_sec_context_args args;
enum clnt_stat stat;
gss_ctx_id_t ctx = *context_handle;
gss_name_t name;
gss_cred_id_t cred;
if (!kgss_gssd_handle)
return (GSS_S_FAILURE);
if (ctx)
args.ctx = ctx->handle;
else
args.ctx = 0;
if (acceptor_cred_handle)
args.cred = acceptor_cred_handle->handle;
else
args.cred = 0;
args.input_token = *input_token;
args.input_chan_bindings = input_chan_bindings;
bzero(&res, sizeof(res));
stat = gssd_accept_sec_context_1(&args, &res, kgss_gssd_handle);
if (stat != RPC_SUCCESS) {
*minor_status = stat;
return (GSS_S_FAILURE);
}
if (res.major_status != GSS_S_COMPLETE
&& res.major_status != GSS_S_CONTINUE_NEEDED) {
*minor_status = res.minor_status;
xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
return (res.major_status);
}
*minor_status = res.minor_status;
if (!ctx) {
ctx = kgss_create_context(res.mech_type);
if (!ctx) {
xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
*minor_status = 0;
return (GSS_S_BAD_MECH);
}
}
*context_handle = ctx;
ctx->handle = res.ctx;
name = malloc(sizeof(struct _gss_name_t), M_GSSAPI, M_WAITOK);
name->handle = res.src_name;
if (src_name) {
*src_name = name;
} else {
OM_uint32 junk;
gss_release_name(&junk, &name);
}
if (mech_type)
*mech_type = KGSS_MECH_TYPE(ctx);
kgss_copy_buffer(&res.output_token, output_token);
if (ret_flags)
*ret_flags = res.ret_flags;
if (time_rec)
*time_rec = res.time_rec;
cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK);
cred->handle = res.delegated_cred_handle;
if (delegated_cred_handle) {
*delegated_cred_handle = cred;
} else {
OM_uint32 junk;
gss_release_cred(&junk, &cred);
}
xdr_free((xdrproc_t) xdr_accept_sec_context_res, &res);
/*
* If the context establishment is complete, export it from
* userland and hand the result (which includes key material
* etc.) to the kernel implementation.
*/
if (res.major_status == GSS_S_COMPLETE)
res.major_status = kgss_transfer_context(ctx);
return (res.major_status);
}
