User-to-user client.
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3927 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Johan Danielsson
225
appl/test/uu_client.c
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225
appl/test/uu_client.c
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/*
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* Copyright (c) 1997 Kungliga Tekniska H<>gskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kungliga Tekniska
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* H<>gskolan and its contributors.
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*
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* 4. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "test_locl.h"
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RCSID("$Id$");
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krb5_context context;
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static int
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proto (int sock, const char *hostname, const char *service)
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{
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struct sockaddr_in remote, local;
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int addrlen;
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krb5_address remote_addr, local_addr;
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krb5_context context;
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krb5_ccache ccache;
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krb5_auth_context auth_context;
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krb5_error_code status;
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krb5_principal client, server;
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krb5_data data;
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krb5_data packet;
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u_int32_t len, net_len;
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krb5_creds mcred, cred;
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addrlen = sizeof(local);
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if (getsockname (sock, (struct sockaddr *)&local, &addrlen) < 0
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|| addrlen != sizeof(local))
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err (1, "getsockname(%s)", hostname);
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addrlen = sizeof(remote);
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if (getpeername (sock, (struct sockaddr *)&remote, &addrlen) < 0
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|| addrlen != sizeof(remote))
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err (1, "getpeername(%s)", hostname);
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status = krb5_init_context(&context);
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if (status)
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krb5_err(context, 1, status, "krb5_init_context");
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status = krb5_cc_default (context, &ccache);
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if (status)
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krb5_err(context, 1, status, "krb5_cc_default");
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status = krb5_auth_con_init (context, &auth_context);
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if (status)
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krb5_err(context, 1, status, "krb5_auth_con_init");
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local_addr.addr_type = AF_INET;
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local_addr.address.length = sizeof(local.sin_addr);
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local_addr.address.data = &local.sin_addr;
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remote_addr.addr_type = AF_INET;
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remote_addr.address.length = sizeof(remote.sin_addr);
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remote_addr.address.data = &remote.sin_addr;
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status = krb5_auth_con_setaddrs (context,
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auth_context,
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&local_addr,
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&remote_addr);
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if (status)
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krb5_err(context, 1, status, "krb5_auth_con_setaddr");
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status = krb5_cc_get_principal(context, ccache, &client);
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if(status)
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krb5_err(context, 1, status, "krb5_cc_get_principal");
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status = krb5_make_principal(context, &mcred.server,
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*krb5_princ_realm(context, client),
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"krbtgt",
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*krb5_princ_realm(context, client),
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NULL);
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if(status)
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krb5_err(context, 1, status, "krb5_make_principal");
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status = krb5_cc_retrieve_cred(context, ccache, 0, &mcred, &cred);
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if(status)
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krb5_err(context, 1, status, "krb5_cc_retrieve_cred");
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{
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char *client_name;
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krb5_data data;
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status = krb5_unparse_name(context, cred.client, &client_name);
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if(status)
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krb5_err(context, 1, status, "krb5_unparse_name");
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data.data = client_name;
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data.length = strlen(client_name) + 1;
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status = krb5_write_message(context, &sock, &data);
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if(status)
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krb5_err(context, 1, status, "krb5_write_message");
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free(client_name);
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}
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status = krb5_write_message(context, &sock, &cred.ticket);
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if(status)
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krb5_err(context, 1, status, "krb5_write_message");
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status = krb5_auth_con_setuserkey(context, auth_context, &cred.session);
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if(status)
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krb5_err(context, 1, status, "krb5_auth_con_setuserkey");
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status = krb5_sname_to_principal (context,
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hostname,
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service,
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KRB5_NT_SRV_HST,
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&server);
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if (status)
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krb5_err(context, 1, status, "krb5_sname_to_principal");
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status = krb5_recvauth(context, &auth_context, &sock,
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VERSION, client, 0, NULL, NULL);
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if (status)
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krb5_err(context, 1, status, "krb5_recvauth");
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data.data = "hej";
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data.length = 3;
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krb5_data_zero (&packet);
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status = krb5_mk_safe (context,
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auth_context,
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&data,
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&packet,
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NULL);
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if (status)
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krb5_err(context, 1, status, "krb5_mk_safe");
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status = krb5_write_message(context, &sock, &packet);
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if(status)
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krb5_err(context, 1, status, "krb5_write_message");
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data.data = "hemligt";
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data.length = 7;
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krb5_data_free (&packet);
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status = krb5_mk_priv (context,
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auth_context,
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&data,
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&packet,
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NULL);
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if (status)
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krb5_err(context, 1, status, "krb5_mk_priv");
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status = krb5_write_message(context, &sock, &packet);
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if(status)
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krb5_err(context, 1, status, "krb5_write_message");
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return 0;
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}
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static int
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doit (const char *hostname, int port, const char *service)
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{
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struct in_addr **h;
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struct hostent *hostent;
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hostent = gethostbyname (hostname);
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if (hostent == NULL)
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errx (1, "gethostbyname '%s' failed: %s",
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hostname,
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hstrerror(h_errno));
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for (h = (struct in_addr **)hostent->h_addr_list;
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*h != NULL;
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++h) {
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struct sockaddr_in addr;
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int s;
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memset (&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_port = port;
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addr.sin_addr = **h;
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s = socket (AF_INET, SOCK_STREAM, 0);
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if (s < 0)
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err (1, "socket");
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if (connect (s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
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warn ("connect(%s)", hostname);
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close (s);
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continue;
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}
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return proto (s, hostname, service);
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}
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return 1;
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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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int port = client_setup(&context, &argc, argv);
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return doit (argv[argc], port, service);
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}
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