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path: root/kmicromail/libetpan/tools/connect.c
authorzautrix <zautrix>2004-07-03 16:33:12 (UTC)
committer zautrix <zautrix>2004-07-03 16:33:12 (UTC)
commite3b89230f065c48c84b48c88edb6eb088374c487 (patch) (side-by-side diff)
tree162ea2ef909a6f82ccfcedf45d80d6c821174912 /kmicromail/libetpan/tools/connect.c
parent2dd6ac0b2d24c91d35ce674a6c26351352df2b15 (diff)
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Initial revision
Diffstat (limited to 'kmicromail/libetpan/tools/connect.c') (more/less context) (ignore whitespace changes)
-rw-r--r--kmicromail/libetpan/tools/connect.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/kmicromail/libetpan/tools/connect.c b/kmicromail/libetpan/tools/connect.c
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+++ b/kmicromail/libetpan/tools/connect.c
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+/*
+ * libEtPan! -- a mail stuff library
+ *
+ * Copyright (C) 2001, 2002 - 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 REGENTS 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 REGENTS 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;
+}