diff options
Diffstat (limited to 'Userland')
| -rw-r--r-- | Userland/Utilities/ping.cpp | 58 |
1 files changed, 14 insertions, 44 deletions
diff --git a/Userland/Utilities/ping.cpp b/Userland/Utilities/ping.cpp index 6182d36abc..9d2ad1ea6b 100644 --- a/Userland/Utilities/ping.cpp +++ b/Userland/Utilities/ping.cpp @@ -77,31 +77,16 @@ ErrorOr<int> serenity_main(Main::Arguments arguments) payload_size = 32 - sizeof(struct icmphdr); } - int fd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP); - if (fd < 0) { - perror("socket"); - return 1; - } + int fd = TRY(Core::System::socket(AF_INET, SOCK_RAW, IPPROTO_ICMP)); - if (setgid(getgid()) || setuid(getuid())) { - warnln("Failed to drop privileges."); - return 1; - } - - if (pledge("stdio inet unix sigaction", nullptr) < 0) { - perror("pledge"); - return 1; - } + TRY(Core::System::drop_privileges()); + TRY(Core::System::pledge("stdio inet unix sigaction")); struct timeval timeout { 1, 0 }; - int rc = setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout)); - if (rc < 0) { - perror("setsockopt"); - return 1; - } + TRY(Core::System::setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof(timeout))); auto* hostent = gethostbyname(host); if (!hostent) { @@ -109,30 +94,20 @@ ErrorOr<int> serenity_main(Main::Arguments arguments) return 1; } - if (pledge("stdio inet sigaction", nullptr) < 0) { - perror("pledge"); - return 1; - } + TRY(Core::System::pledge("stdio inet sigaction")); pid_t pid = getpid(); - sockaddr_in peer_address; - memset(&peer_address, 0, sizeof(peer_address)); + sockaddr_in peer_address {}; peer_address.sin_family = AF_INET; peer_address.sin_port = 0; - peer_address.sin_addr.s_addr = *(const in_addr_t*)hostent->h_addr_list[0]; uint16_t seq = 1; - sighandler_t ret = signal(SIGINT, [](int) { + TRY(Core::System::signal(SIGINT, [](int) { closing_statistics(); - }); - - if (ret == SIG_ERR) { - perror("failed to install SIGINT handler"); - return 1; - } + })); for (;;) { auto ping_packet_result = ByteBuffer::create_zeroed(sizeof(struct icmphdr) + payload_size); @@ -162,11 +137,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments) else total_pings++; - rc = sendto(fd, ping_packet.data(), ping_packet.size(), 0, (const struct sockaddr*)&peer_address, sizeof(sockaddr_in)); - if (rc < 0) { - perror("sendto"); - return 1; - } + TRY(Core::System::sendto(fd, ping_packet.data(), ping_packet.size(), 0, (const struct sockaddr*)&peer_address, sizeof(sockaddr_in))); for (;;) { auto pong_packet_result = ByteBuffer::create_uninitialized( @@ -177,14 +148,13 @@ ErrorOr<int> serenity_main(Main::Arguments arguments) } auto& pong_packet = pong_packet_result.value(); socklen_t peer_address_size = sizeof(peer_address); - rc = recvfrom(fd, pong_packet.data(), pong_packet.size(), 0, (struct sockaddr*)&peer_address, &peer_address_size); - if (rc < 0) { - if (errno == EAGAIN) { + auto result = Core::System::recvfrom(fd, pong_packet.data(), pong_packet.size(), 0, (struct sockaddr*)&peer_address, &peer_address_size); + if (result.is_error()) { + if (result.error().code() == EAGAIN) { outln("Request (seq={}) timed out.", ntohs(ping_hdr->un.echo.sequence)); break; } - perror("recvfrom"); - return 1; + return result.release_error(); } i8 internet_header_length = *pong_packet.data() & 0x0F; @@ -229,7 +199,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments) ntohs(pong_hdr->un.echo.id), ntohs(pong_hdr->un.echo.sequence), pong_hdr->un.echo.sequence != ping_hdr->un.echo.sequence ? "(!)" : "", - ms, rc); + ms, result.value()); // If this was a response to an earlier packet, we still need to wait for the current one. if (pong_hdr->un.echo.sequence != ping_hdr->un.echo.sequence) |