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// Copyright (C) 2010-2014 David Sugar, Tycho Softworks.
// Copyright (C) 2015-2020 Cherokees of Idaho.
//
// This file is part of GNU uCommon C++.
//
// GNU uCommon C++ is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU uCommon C++ is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>.
#include <ucommon/ucommon.h>
using namespace ucommon;
static shell::flagopt helpflag('h',"--help", _TEXT("display this list"));
static shell::flagopt althelp('?', NULL, NULL);
static shell::flagopt udp('u', "--udp", _TEXT("lookup udp service"));
int main(int argc, char **argv)
{
unsigned type = SOCK_STREAM;
unsigned port;
char buffer[256];
shell::bind("sockaddr");
shell args(argc, argv);
if(is(helpflag) || is(althelp)) {
printf("%s\n", _TEXT("Usage: sockaddr [options] arguments..."));
printf("%s\n\n", _TEXT("Echo command line arguments"));
printf("%s\n", _TEXT("Options:"));
shell::help();
printf("\n%s\n", _TEXT("Report bugs to dyfet@gnu.org"));
return 0;
}
const char *host = args[0];
const char *service = args[1];
if(!host || !service)
shell::errexit(1, "use: sockaddr [options] host service\n");
if(udp)
type = SOCK_DGRAM;
Socket::address addr(host, service, type);
linked_pointer<struct sockaddr> ap = addr;
if(!is(ap))
shell::errexit(2, "*** sockaddr: %s/%s: %s\n",
host, service, _TEXT("could not find"));
while(is(ap)) {
port = 0;
switch(ap->sa_family) {
case AF_INET:
port = ntohs(ap.in()->sin_port);
break;
#ifdef AF_INET6
case AF_INET6:
port = ntohs(ap.in6()->sin6_port);
break;
#endif
}
if(port) {
Socket::query(*ap, buffer, sizeof(buffer));
printf("%s/%u\n", buffer, port);
}
ap.next();
}
return 0;
}
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