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-rw-r--r--connect.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/connect.c b/connect.c
new file mode 100644
index 0000000..0566742
--- /dev/null
+++ b/connect.c
@@ -0,0 +1,57 @@
+/* $Id$ */
+/*
+ * Copyright (c) 2004 demon <demon@vhost.dyndns.org>
+ *
+ * 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 <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <err.h>
+#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)
+{
+ if (send(s, buf, strlen(buf), 0) == -1)
+ err(1, "send()");
+ memset(buf, '\0', size);
+ if (recv(s, buf, size, 0) == -1)
+ err(1, "recv()");
+ return 0;
+}