/* $Id$ */ /* * Copyright (c) 2005 Dimitri Sokolyuk * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include "connect.h" int connecttohost(const char *host, const int port) { struct hostent *he; struct sockaddr_in sin; int s; if ((he = gethostbyname(host)) == NULL) err(1, "gethostbyname()"); sin.sin_family = AF_INET; sin.sin_port = htons(port); sin.sin_addr = *(struct in_addr *) he->h_addr; if ((s = socket(AF_INET, SOCK_STREAM, 0)) == -1) err(1, "socket()"); if (connect(s, (struct sockaddr *) &sin, sizeof(sin)) == -1) err(1, "connect()"); return s; } int transfer(int s, char *buf, int size) { int total = 0; int left = strlen(buf); int ret = 0; while (total < left) { if ((ret = send(s, buf + total, left, 0)) == -1) err(1, "send()"); total += ret; left -= ret; } memset(buf, '\0', size); total = 0; left = size; do { if ((ret = recv(s, buf + total, size, 0)) == -1) err(1, "recv()"); total += ret; size -= ret; } while (ret > 0); return 0; }