diff options
Diffstat (limited to 'remote_cmds/talk.tproj/get_addrs.c')
| -rw-r--r-- | remote_cmds/talk.tproj/get_addrs.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/remote_cmds/talk.tproj/get_addrs.c b/remote_cmds/talk.tproj/get_addrs.c new file mode 100644 index 0000000..e5a71ac --- /dev/null +++ b/remote_cmds/talk.tproj/get_addrs.c @@ -0,0 +1,71 @@ +/* + * Copyright (c) 1983, 1993 + * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University 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. + */ + +#include <sys/cdefs.h> + +#ifndef __APPLE__ +__FBSDID("$FreeBSD: src/usr.bin/talk/get_addrs.c,v 1.5 2001/12/11 23:51:14 markm Exp $"); + +#ifndef lint +static const char sccsid[] = "@(#)get_addrs.c 8.1 (Berkeley) 6/6/93"; +#endif +#endif /* __APPLE__ */ + +#include <err.h> +#include <netdb.h> +#include <string.h> + +#include "talk.h" +#include "talk_ctl.h" + +void +get_addrs(my_machine_name, his_machine_name) + char *my_machine_name __unused, *his_machine_name; +{ + struct hostent *hp; + struct servent *sp; + + msg.pid = htonl(getpid()); + + hp = gethostbyname(his_machine_name); + if (hp == NULL) + errx(1, "%s: %s", his_machine_name, hstrerror(h_errno)); + bcopy(hp->h_addr, (char *) &his_machine_addr, hp->h_length); + if (get_iface(&his_machine_addr, &my_machine_addr) == -1) + err(1, "failed to find my interface address"); + /* find the server's port */ + sp = getservbyname("ntalk", "udp"); + if (sp == 0) + errx(1, "ntalk/udp: service is not registered"); + daemon_port = sp->s_port; +} |