diff options
Diffstat (limited to 'usr.bin/talk/invite.c')
| -rw-r--r-- | usr.bin/talk/invite.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/usr.bin/talk/invite.c b/usr.bin/talk/invite.c deleted file mode 100644 index 99c2514..0000000 --- a/usr.bin/talk/invite.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * 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> - -__FBSDID("$FreeBSD$"); - -#ifndef lint -static const char sccsid[] = "@(#)invite.c 8.1 (Berkeley) 6/6/93"; -#endif - -#include <sys/types.h> -#include <sys/socket.h> -#include <protocols/talkd.h> - -#include <err.h> -#include <errno.h> -#include <setjmp.h> -#include <signal.h> - -#include "talk_ctl.h" -#include "talk.h" - -/* - * There wasn't an invitation waiting, so send a request containing - * our sockt address to the remote talk daemon so it can invite - * him - */ - -/* - * The msg.id's for the invitations - * on the local and remote machines. - * These are used to delete the - * invitations. - */ -int local_id, remote_id; -jmp_buf invitebuf; - -void -invite_remote(void) -{ - int new_sockt; - struct itimerval itimer; - CTL_RESPONSE response; - - itimer.it_value.tv_sec = RING_WAIT; - itimer.it_value.tv_usec = 0; - itimer.it_interval = itimer.it_value; - if (listen(sockt, 5) != 0) - p_error("Error on attempt to listen for caller"); -#ifdef MSG_EOR - /* copy new style sockaddr to old, swap family (short in old) */ - msg.addr = *(struct osockaddr *)&my_addr; /* XXX new to old style*/ - msg.addr.sa_family = htons(my_addr.sin_family); -#else - msg.addr = *(struct sockaddr *)&my_addr; -#endif - msg.id_num = htonl(-1); /* an impossible id_num */ - invitation_waiting = 1; - announce_invite(); - /* - * Shut off the automatic messages for a while, - * so we can use the interupt timer to resend the invitation - */ - end_msgs(); - setitimer(ITIMER_REAL, &itimer, (struct itimerval *)0); - message("Waiting for your party to respond"); - signal(SIGALRM, re_invite); - (void) setjmp(invitebuf); - while ((new_sockt = accept(sockt, 0, 0)) < 0) { - if (errno == EINTR) - continue; - p_error("Unable to connect with your party"); - } - close(sockt); - sockt = new_sockt; - - /* - * Have the daemons delete the invitations now that we - * have connected. - */ - current_state = "Waiting for your party to respond"; - start_msgs(); - - msg.id_num = htonl(local_id); - ctl_transact(my_machine_addr, msg, DELETE, &response); - msg.id_num = htonl(remote_id); - ctl_transact(his_machine_addr, msg, DELETE, &response); - invitation_waiting = 0; -} - -/* - * Routine called on interupt to re-invite the callee - */ -/* ARGSUSED */ -void -re_invite(int signo __unused) -{ - - message("Ringing your party again"); - waddch(my_win.x_win, '\n'); - if (current_line < my_win.x_nlines - 1) - current_line++; - /* force a re-announce */ - msg.id_num = htonl(remote_id + 1); - announce_invite(); - longjmp(invitebuf, 1); -} - -static const char *answers[] = { - "answer #0", /* SUCCESS */ - "Your party is not logged on", /* NOT_HERE */ - "Target machine is too confused to talk to us", /* FAILED */ - "Target machine does not recognize us", /* MACHINE_UNKNOWN */ - "Your party is refusing messages", /* PERMISSION_REFUSED */ - "Target machine can not handle remote talk", /* UNKNOWN_REQUEST */ - "Target machine indicates protocol mismatch", /* BADVERSION */ - "Target machine indicates protocol botch (addr)",/* BADADDR */ - "Target machine indicates protocol botch (ctl_addr)",/* BADCTLADDR */ -}; -#define NANSWERS (sizeof (answers) / sizeof (answers[0])) - -/* - * Transmit the invitation and process the response - */ -void -announce_invite(void) -{ - CTL_RESPONSE response; - - current_state = "Trying to connect to your party's talk daemon"; - ctl_transact(his_machine_addr, msg, ANNOUNCE, &response); - remote_id = response.id_num; - if (response.answer != SUCCESS) { - if (response.answer < NANSWERS) - message(answers[response.answer]); - quit(); - } - /* leave the actual invitation on my talk daemon */ - current_state = "Trying to connect to local talk daemon"; - ctl_transact(my_machine_addr, msg, LEAVE_INVITE, &response); - local_id = response.id_num; -} - -/* - * Tell the daemon to remove your invitation - */ -void -send_delete(void) -{ - - msg.type = DELETE; - /* - * This is just an extra clean up, so just send it - * and don't wait for an answer - */ - msg.id_num = htonl(remote_id); - daemon_addr.sin_addr = his_machine_addr; - if (sendto(ctl_sockt, &msg, sizeof (msg), 0, - (struct sockaddr *)&daemon_addr, - sizeof (daemon_addr)) != sizeof(msg)) - warn("send_delete (remote)"); - msg.id_num = htonl(local_id); - daemon_addr.sin_addr = my_machine_addr; - if (sendto(ctl_sockt, &msg, sizeof (msg), 0, - (struct sockaddr *)&daemon_addr, - sizeof (daemon_addr)) != sizeof (msg)) - warn("send_delete (local)"); -} |
