153 lines
4.1 KiB
Objective-C
153 lines
4.1 KiB
Objective-C
/*
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* vmnet-bridged.m
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*
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* Copyright(c) 2022 Vladislav Yaroshchuk <vladislav.yaroshchuk@jetbrains.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qapi/qapi-types-net.h"
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#include "qapi/error.h"
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#include "clients.h"
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#include "vmnet_int.h"
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#include <vmnet/vmnet.h>
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static bool validate_ifname(const char *ifname)
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{
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xpc_object_t shared_if_list = vmnet_copy_shared_interface_list();
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bool match = false;
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if (!xpc_array_get_count(shared_if_list)) {
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goto done;
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}
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match = !xpc_array_apply(
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shared_if_list,
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^bool(size_t index, xpc_object_t value) {
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return strcmp(xpc_string_get_string_ptr(value), ifname) != 0;
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});
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done:
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xpc_release(shared_if_list);
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return match;
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}
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static char* get_valid_ifnames()
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{
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xpc_object_t shared_if_list = vmnet_copy_shared_interface_list();
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__block char *if_list = NULL;
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__block char *if_list_prev = NULL;
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if (!xpc_array_get_count(shared_if_list)) {
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goto done;
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}
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xpc_array_apply(
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shared_if_list,
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^bool(size_t index, xpc_object_t value) {
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/* build list of strings like "en0 en1 en2 " */
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if_list = g_strconcat(xpc_string_get_string_ptr(value),
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" ",
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if_list_prev,
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NULL);
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g_free(if_list_prev);
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if_list_prev = if_list;
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return true;
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});
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done:
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xpc_release(shared_if_list);
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return if_list;
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}
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static bool validate_options(const Netdev *netdev, Error **errp)
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{
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const NetdevVmnetBridgedOptions *options = &(netdev->u.vmnet_bridged);
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char* if_list;
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if (!validate_ifname(options->ifname)) {
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if_list = get_valid_ifnames();
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if (if_list) {
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error_setg(errp,
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"unsupported ifname '%s', expected one of [ %s]",
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options->ifname,
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if_list);
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g_free(if_list);
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} else {
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error_setg(errp,
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"unsupported ifname '%s', no supported "
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"interfaces available",
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options->ifname);
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}
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return false;
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}
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#if !defined(MAC_OS_VERSION_11_0) || \
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MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_VERSION_11_0
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if (options->has_isolated) {
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error_setg(errp,
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"vmnet-bridged.isolated feature is "
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"unavailable: outdated vmnet.framework API");
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return false;
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}
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#endif
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return true;
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}
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static xpc_object_t build_if_desc(const Netdev *netdev)
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{
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const NetdevVmnetBridgedOptions *options = &(netdev->u.vmnet_bridged);
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xpc_object_t if_desc = xpc_dictionary_create(NULL, NULL, 0);
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xpc_dictionary_set_uint64(if_desc,
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vmnet_operation_mode_key,
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VMNET_BRIDGED_MODE
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);
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xpc_dictionary_set_string(if_desc,
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vmnet_shared_interface_name_key,
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options->ifname);
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#if defined(MAC_OS_VERSION_11_0) && \
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MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0
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xpc_dictionary_set_bool(if_desc,
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vmnet_enable_isolation_key,
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options->isolated);
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#endif
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return if_desc;
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}
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static NetClientInfo net_vmnet_bridged_info = {
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.type = NET_CLIENT_DRIVER_VMNET_BRIDGED,
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.size = sizeof(VmnetState),
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.receive = vmnet_receive_common,
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.cleanup = vmnet_cleanup_common,
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};
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int net_init_vmnet_bridged(const Netdev *netdev, const char *name,
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NetClientState *peer, Error **errp)
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{
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NetClientState *nc = qemu_new_net_client(&net_vmnet_bridged_info,
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peer, "vmnet-bridged", name);
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xpc_object_t if_desc;
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int result = -1;
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if (!validate_options(netdev, errp)) {
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return result;
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}
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if_desc = build_if_desc(netdev);
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result = vmnet_if_create(nc, if_desc, errp);
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xpc_release(if_desc);
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return result;
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}
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