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78 lines
4.0 KiB
78 lines
4.0 KiB
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│ |
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│ |
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╞══════════════════════════════════════════════════════════════════════════════╡ |
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│ Copyright 2020 Justine Alexandra Roberts Tunney │ |
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│ │ |
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│ This program is free software; you can redistribute it and/or modify │ |
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│ it under the terms of the GNU General Public License as published by │ |
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│ the Free Software Foundation; version 2 of the License. │ |
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│ │ |
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│ This program is distributed in the hope that it will be useful, but │ |
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │ |
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │ |
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│ General Public License for more details. │ |
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│ │ |
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│ You should have received a copy of the GNU General Public License │ |
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│ along with this program; if not, write to the Free Software │ |
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │ |
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│ 02110-1301 USA │ |
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╚─────────────────────────────────────────────────────────────────────────────*/ |
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#include "libc/dns/dns.h" |
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#include "libc/log/log.h" |
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#include "libc/runtime/runtime.h" |
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#include "libc/sock/sock.h" |
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#include "libc/stdio/stdio.h" |
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#include "libc/str/str.h" |
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#include "libc/sysv/consts/af.h" |
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#include "libc/sysv/consts/ai.h" |
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#include "libc/sysv/consts/ipproto.h" |
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#include "libc/sysv/consts/sock.h" |
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#include "tool/decode/lib/flagger.h" |
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#include "tool/decode/lib/idname.h" |
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#include "tool/decode/lib/socknames.h" |
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void lookup(const char *name) { |
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struct addrinfo hints = (struct addrinfo){.ai_family = AF_INET, |
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.ai_socktype = SOCK_STREAM, |
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.ai_protocol = IPPROTO_TCP, |
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.ai_flags = AI_NUMERICSERV}; |
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struct addrinfo *addrs = NULL; |
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if (getaddrinfo(name, "80", &hints, &addrs) == -1) { |
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perror("getaddrinfo"); |
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exit(1); |
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} |
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if (addrs) { |
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for (struct addrinfo *addr = addrs; addr; addr = addr->ai_next) { |
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const unsigned char *ip = |
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addr->ai_family == AF_INET |
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? (const unsigned char *)&((struct sockaddr_in *)addr->ai_addr) |
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->sin_addr |
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: (const unsigned char *)"\0\0\0\0"; |
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printf("%-12s = %s\n", "ai_flags", |
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RecreateFlags(kAddrInfoFlagNames, addr->ai_flags), addr->ai_flags); |
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printf("%-12s = %s (%d)\n", "ai_family", |
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findnamebyid(kAddressFamilyNames, addr->ai_family), |
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addr->ai_family); |
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printf("%-12s = %s (%d)\n", "ai_socktype", |
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findnamebyid(kSockTypeNames, addr->ai_socktype), |
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addr->ai_socktype); |
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printf("%-12s = %s (%d)\n", "ai_protocol", |
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findnamebyid(kProtocolNames, addr->ai_protocol), |
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addr->ai_protocol); |
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printf("%-12s = %d\n", "ai_addrlen", addr->ai_addrlen); |
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printf("%-12s = %hhu.%hhu.%hhu.%hhu\n", "ai_addr", ip[0], ip[1], ip[2], |
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ip[3]); |
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printf("%-12s = %s\n", "ai_canonname", addr->ai_canonname); |
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} |
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freeaddrinfo(addrs); |
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} else { |
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fprintf(stderr, "%s: %s\n", name, "no results"); |
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} |
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} |
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int main(int argc, char *argv[]) { |
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int i; |
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showcrashreports(); |
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for (i = 1; i < argc; ++i) lookup(argv[i]); |
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return 0; |
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}
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