| // Copyright 2019 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "args.h" |
| |
| #include <fuchsia/boot/llcpp/fidl.h> |
| #include <lib/fdio/directory.h> |
| #include <stdlib.h> |
| |
| #include <cstring> |
| |
| namespace { |
| int ParseCommonArgs(int argc, char** argv, const char** error, std::string* interface) { |
| while (argc > 1) { |
| if (!strncmp(argv[1], "--interface", 11)) { |
| if (argc < 3) { |
| *error = "netsvc: missing argument to --interface"; |
| return -1; |
| } |
| *interface = argv[2]; |
| argv++; |
| argc--; |
| } |
| argv++; |
| argc--; |
| } |
| return 0; |
| } |
| } // namespace |
| |
| int ParseArgs(int argc, char** argv, const zx::channel& svc_root, const char** error, |
| NetsvcArgs* out) { |
| // Reset the args. |
| *out = NetsvcArgs(); |
| |
| // First parse from kernel args, then use use cmdline args as overrides. |
| zx::channel local, remote; |
| zx_status_t status = zx::channel::create(0, &local, &remote); |
| if (status != ZX_OK) { |
| *error = "netsvc: unable to create channel"; |
| return -1; |
| } |
| |
| status = fdio_service_connect_at(svc_root.get(), llcpp::fuchsia::boot::Arguments::Name, |
| remote.release()); |
| if (status != ZX_OK) { |
| *error = "netsvc: unable to connect to fuchsia.boot.Arguments"; |
| return -1; |
| } |
| |
| llcpp::fuchsia::boot::Arguments::SyncClient client(std::move(local)); |
| auto string_resp = client.GetString(fidl::StringView{"netsvc.interface"}); |
| if (string_resp.ok()) { |
| auto& value = string_resp->value; |
| out->interface = std::string{value.data(), value.size()}; |
| } |
| |
| llcpp::fuchsia::boot::BoolPair bool_keys[]{ |
| {fidl::StringView{"netsvc.disable"}, true}, |
| {fidl::StringView{"netsvc.netboot"}, false}, |
| {fidl::StringView{"netsvc.advertise"}, true}, |
| {fidl::StringView{"netsvc.all-features"}, false}, |
| }; |
| |
| auto bool_resp = client.GetBools(fidl::unowned_vec(bool_keys)); |
| if (bool_resp.ok()) { |
| out->disable = bool_resp->values[0]; |
| out->netboot = bool_resp->values[1]; |
| out->advertise = bool_resp->values[2]; |
| out->all_features = bool_resp->values[3]; |
| } |
| |
| int err = ParseCommonArgs(argc, argv, error, &out->interface); |
| if (err) { |
| return err; |
| } |
| while (argc > 1) { |
| if (!strncmp(argv[1], "--netboot", 9)) { |
| out->netboot = true; |
| } else if (!strncmp(argv[1], "--nodename", 10)) { |
| out->print_nodename_and_exit = true; |
| } else if (!strncmp(argv[1], "--advertise", 11)) { |
| out->advertise = true; |
| } else if (!strncmp(argv[1], "--all-features", 14)) { |
| out->all_features = true; |
| } |
| argv++; |
| argc--; |
| } |
| return 0; |
| } |