static char *gse_errstr(TALLOC_CTX *mem_ctx, OM_uint32 maj, OM_uint32 min);
struct gse_context {
+ gss_ctx_id_t gssapi_context;
+ gss_name_t server_name;
+ gss_name_t client_name;
+ OM_uint32 gss_want_flags, gss_got_flags;
+
+ gss_cred_id_t delegated_cred_handle;
+
+ gss_krb5_lucid_context_v1_t *lucid;
+
+ /* gensec_gse only */
krb5_context k5ctx;
krb5_ccache ccache;
krb5_keytab keytab;
- gss_ctx_id_t gssapi_context;
-
gss_OID_desc gss_mech;
- OM_uint32 gss_want_flags;
gss_cred_id_t creds;
- gss_name_t server_name;
gss_OID ret_mech;
- OM_uint32 gss_got_flags;
- gss_cred_id_t delegated_cred_handle;
- gss_name_t client_name;
};
#ifndef HAVE_GSS_OID_EQUAL
gse_ctx->gss_want_flags |= GSS_C_INTEG_FLAG;
}
if (do_seal) {
+ gse_ctx->gss_want_flags |= GSS_C_INTEG_FLAG;
gse_ctx->gss_want_flags |= GSS_C_CONF_FLAG;
}
goto done;
}
- blob = data_blob_talloc(mem_ctx, out_data.value, out_data.length);
- if (!blob.data) {
- status = NT_STATUS_NO_MEMORY;
- }
+ /* we may be told to return nothing */
+ if (out_data.length) {
+ blob = data_blob_talloc(mem_ctx, out_data.value, out_data.length);
+ if (!blob.data) {
+ status = NT_STATUS_NO_MEMORY;
+ }
- gss_maj = gss_release_buffer(&gss_min, &out_data);
+ gss_maj = gss_release_buffer(&gss_min, &out_data);
+ }
done:
*token_out = blob;
}
/* GSS_C_MUTUAL_FLAG */
- if (gse_ctx->gss_want_flags & GSS_C_MUTUAL_FLAG) {
- if (!(gse_ctx->gss_got_flags & GSS_C_MUTUAL_FLAG)) {
- return NT_STATUS_ACCESS_DENIED;
- }
- }
-
/* GSS_C_DELEG_FLAG */
/* GSS_C_DELEG_POLICY_FLAG */
/* GSS_C_REPLAY_FLAG */
if (!(gse_ctx->gss_got_flags & GSS_C_CONF_FLAG)) {
return NT_STATUS_ACCESS_DENIED;
}
+
+ /* GSS_C_CONF_FLAG implies GSS_C_INTEG_FLAG */
+ if (!(gse_ctx->gss_got_flags & GSS_C_INTEG_FLAG)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ }
+
+ /* GSS_C_DCE_STYLE */
+ if (gse_ctx->gss_want_flags & GSS_C_DCE_STYLE) {
+ if (!(gse_ctx->gss_got_flags & GSS_C_DCE_STYLE)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ /* GSS_C_DCE_STYLE implies GSS_C_MUTUAL_FLAG */
+ if (!(gse_ctx->gss_got_flags & GSS_C_MUTUAL_FLAG)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
}
return NT_STATUS_OK;
return errstr;
}
+static NTSTATUS gse_init_lucid(struct gse_context *gse_ctx)
+{
+ OM_uint32 maj_stat, min_stat;
+ void *ptr = NULL;
+
+ if (gse_ctx->lucid) {
+ return NT_STATUS_OK;
+ }
+
+ maj_stat = gss_krb5_export_lucid_sec_context(&min_stat,
+ &gse_ctx->gssapi_context,
+ 1, &ptr);
+ if (maj_stat != GSS_S_COMPLETE) {
+ DEBUG(0,("gse_init_lucid: %s\n",
+ gse_errstr(talloc_tos(), maj_stat, min_stat)));
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+ gse_ctx->lucid = (gss_krb5_lucid_context_v1_t *)ptr;
+
+ if (gse_ctx->lucid->version != 1) {
+ DEBUG(0,("gse_init_lucid: lucid version[%d] != 1\n",
+ gse_ctx->lucid->version));
+ gss_krb5_free_lucid_sec_context(&min_stat, gse_ctx->lucid);
+ gse_ctx->lucid = NULL;
+ return NT_STATUS_INTERNAL_ERROR;
+ }
+
+ return NT_STATUS_OK;
+}
+
static DATA_BLOB gse_get_session_key(TALLOC_CTX *mem_ctx,
struct gse_context *gse_ctx)
{
if (feature & GENSEC_FEATURE_DCE_STYLE) {
return gse_ctx->gss_got_flags & GSS_C_DCE_STYLE;
}
+ if (feature & GENSEC_FEATURE_NEW_SPNEGO) {
+ NTSTATUS status;
+
+ if (!(gse_ctx->gss_got_flags & GSS_C_INTEG_FLAG)) {
+ return false;
+ }
+
+ status = gse_init_lucid(gse_ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ return false;
+ }
+
+ if (gse_ctx->lucid->protocol == 1) {
+ return true;
+ }
+
+ return false;
+ }
/* We can always do async (rather than strict request/reply) packets. */
if (feature & GENSEC_FEATURE_ASYNC_REPLIES) {
return true;