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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
274
netwerk/test/TestDNSDaemon.cpp
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274
netwerk/test/TestDNSDaemon.cpp
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <errno.h>
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#if defined(AIX) || defined(__linux)
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#include <sys/select.h> // for fd_set
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#endif
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#if defined(__linux)
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// Didn't find gettdtablehi() or gettdtablesize() on linux. Using FD_SETSIZE
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#define getdtablehi() FD_SETSIZE
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#else
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#define getdtablehi() getdtablesize()
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// If you find a system doesn't have getdtablesize try #define getdtablesize
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// to FD_SETSIZE. And if you encounter a system that doesn't even have
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// FD_SETSIZE, just grab your ankles and use 255.
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#endif
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#include "nspr.h"
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#include "nsCRT.h"
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#include "unix_dns.h"
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struct sockaddr_un unix_addr;
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int async_dns_lookup(char* hostName)
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{
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fprintf(stderr, "start async_dns_lookup\n");
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int socket_fd = socket(PF_UNIX, SOCK_STREAM, 0);
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if (socket_fd == -1) {
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fprintf(stderr, "socket returned error.\n");
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return -1;
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}
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unix_addr.sun_family = AF_UNIX;
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strcpy(unix_addr.sun_path, DNS_SOCK_NAME);
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int err = connect(socket_fd,(struct sockaddr*)&unix_addr, sizeof(unix_addr));
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if (err == -1) {
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fprintf(stderr, "connect failed (errno = %d).\n",errno);
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close(socket_fd);
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return -1;
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}
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char buf[256];
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strcpy(buf, "lookup: ");
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strcpy(&buf[8], hostName);
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err = send(socket_fd, buf, strlen(buf)+1, 0);
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if (err < 0)
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fprintf(stderr, "send(%s) returned error (errno=%d).\n",buf, errno);
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// receive 4 byte ID
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err = recv(socket_fd, buf, 256, 0);
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if (err < 0)
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fprintf(stderr, "recv() returned error (errno=%d).\n", errno);
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else
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{
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// printf("recv() returned %d bytes.");
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int id = *(int *)buf;
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fprintf(stderr, "id: %d\n", id);
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}
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return socket_fd;
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}
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static char *
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string_trim(char *s)
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{
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char *s2;
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if (!s) return 0;
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s2 = s + strlen(s) - 1;
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while (s2 > s && (*s2 == '\n' || *s2 == '\r' || *s2 == ' ' || *s2 == '\t'))
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*s2-- = 0;
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while (*s == ' ' || *s == '\t' || *s == '\n' || *s == '\r')
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s++;
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return s;
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}
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hostent *
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bytesToHostent(char *buf)
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{
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int i;
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// int size = 0;
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int len, aliasCount, addressCount;
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int addrtype, addrlength;
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char* p = buf;
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char s[1024];
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len = *(int *)p; // length of name
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p += sizeof(int); // advance past name length
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memcpy(s, p, len); s[len] = 0;
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fprintf(stderr, "hostname: %s\n", s);
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p += len; // advance past name
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aliasCount = *(int *)p; // number of aliases
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p += sizeof(int); // advance past alias count
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for (i=0; i<aliasCount; i++) {
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len = *(int *)p; // length of alias name
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p += sizeof(int); // advance past alias name length
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memcpy(s, p, len); s[len] = 0;
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fprintf(stderr, "alias: %s\n", s);
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p += len; // advance past alias name
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}
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addrtype = *(int *)p;
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fprintf(stderr, "addrtype: %d\n", addrtype);
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p += sizeof(int);
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addrlength = *(int *)p;
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fprintf(stderr, "addrlength: %d\n", addrlength);
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p += sizeof(int);
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addressCount = *(int *)p;
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p += sizeof(int);
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for (i=0; i<addressCount; i++) {
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len = *(int *)p;
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p += sizeof(int);
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fprintf(stderr, "addr len: %d\n", len);
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fprintf(stderr, "addr : %x\n", *(int *)p);
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p += len;
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}
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// size = p - buf;
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// size += 1 + aliasCount;
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return 0;
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}
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int
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main(int argc, char* argv[])
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{
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PRStatus status;
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// launch daemon
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printf("### launch daemon...\n");
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PRProcessAttr *attributes = PR_NewProcessAttr();
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if (attributes == nullptr) {
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printf("PR_NewProcessAttr() failed.\n");
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return -1;
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}
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PRProcess *daemon = PR_CreateProcess("nsDnsAsyncLookup", nullptr, nullptr, attributes);
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if (daemon == nullptr) {
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printf("PR_CreateProcess failed.\n");
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} else {
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// status = PR_DetachProcess(daemon);
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//if (status != 0)
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// printf("PR_DetachProcess returned %d\n", status);
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//daemon = nullptr;
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}
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PR_DestroyProcessAttr(attributes);
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// create socket and connect to daemon
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int socket_fd = 0;
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bool notDone = true;
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char buf[1024];
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while(notDone) {
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int status = 0;
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fd_set fdset;
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FD_ZERO(&fdset);
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FD_SET(fileno(stdin), &fdset);
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if (socket_fd > 0)
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FD_SET(socket_fd, &fdset);
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status = select(getdtablehi(), &fdset, 0, 0, 0);
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if (status <= 0)
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{
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fprintf(stderr, "%s: select() returned %d\n", argv[0], status);
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exit(-1);
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}
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// which fd is set?
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if (FD_ISSET(fileno(stdin), &fdset))
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{
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char *line = fgets(buf, sizeof(buf)-1, stdin);
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line = string_trim(line);
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if(!strcmp(line, "quit") || !strcmp(line, "exit"))
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{
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fprintf(stderr, "bye now.\n");
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notDone = false;
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}
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else if (!strncmp(line, "abort ", 6))
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{
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// abort id
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}
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else if (strchr(line, ' ') || strchr(line, '\t'))
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{
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fprintf(stderr, "%s: unrecognized command %s.\n", argv[0], line);
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}
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else
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{
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fprintf(stderr, "%s: looking up %s...\n", argv[0], line);
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// initiate dns lookup
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socket_fd = async_dns_lookup(line);
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}
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}
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if (socket_fd && FD_ISSET(socket_fd, &fdset))
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{
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// read from socket, parse results
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int size = read(socket_fd, buf, 1024);
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if (size > 0)
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{
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// parse buffer into hostent
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char *p = buf;
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fprintf(stderr, "bytes read: %d\n", size);
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fprintf(stderr, "response code: %d\n", *(int *)p);
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p += sizeof(int);
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for (int i=0; i < size; i++) {
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if (!(i%8))
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fprintf(stderr, "\n");
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fprintf(stderr, "%2.2x ",(unsigned char)buf[i]);
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}
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fprintf(stderr, "\n");
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hostent *h;
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h = bytesToHostent(p);
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}
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close(socket_fd);
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socket_fd = 0;
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}
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}
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return 0;
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}
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/*
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buffer
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int nameLen;
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if (nameLen > 0)
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char [nameLen+1] name
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int aliasCount
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for each alias
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int aliasNameLen
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char [aliasNameLen+1] aliasName
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int h_addrtype
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int h_length
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int addrCount
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for each addr
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char[h_length] addr
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*/
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