1 files changed, 86 insertions, 0 deletions

diff --git a/libetpan/src/data-types/connect.c b/libetpan/src/data-types/connect.c
new file mode 100644
index 0000000..bd8da0e
--- a/dev/null
+++ b/libetpan/src/data-types/connect.c
@@ -0,0 +1,86 @@
+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2005 - DINH Viet Hoa
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the libEtPan! project nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * $Id$
+ */
+
+#include "connect.h"
+
+#include <sys/types.h>
+#include <string.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+uint16_t mail_get_service_port(const char * name, char * protocol)
+{
+  struct servent * service;
+
+  service = getservbyname(name, protocol);
+
+  if (service == NULL)
+    return 0;
+
+  return service->s_port;
+}
+
+int mail_tcp_connect(const char * server, uint16_t port)
+{
+  struct hostent * remotehost;
+  struct sockaddr_in sa;
+  int s;
+  int r;
+
+  s = socket(PF_INET, SOCK_STREAM, 0);
+  if (s == -1)
+    goto err;
+
+  remotehost = gethostbyname(server);
+  if (remotehost == NULL)
+    goto close_socket;
+
+  sa.sin_family = AF_INET;
+  sa.sin_port = htons(port);
+  memcpy(&sa.sin_addr, remotehost->h_addr, remotehost->h_length);
+
+  r = connect(s, (struct sockaddr *) &sa, sizeof(struct sockaddr_in));
+  if (r == -1)
+    goto close_socket;
+
+  return s;
+  
+ close_socket:
+  close(s);
+ err:
+  return -1;
+}