diff options
Diffstat (limited to 'hunt/huntd/faketalk.c')
| -rw-r--r-- | hunt/huntd/faketalk.c | 199 |
1 files changed, 2 insertions, 197 deletions
diff --git a/hunt/huntd/faketalk.c b/hunt/huntd/faketalk.c index a5935cd9..2aef727b 100644 --- a/hunt/huntd/faketalk.c +++ b/hunt/huntd/faketalk.c @@ -1,4 +1,4 @@ -/* $NetBSD: faketalk.c,v 1.23 2014/03/29 20:16:09 dholland Exp $ */ +/* $NetBSD: faketalk.c,v 1.24 2014/03/29 20:32:04 dholland Exp $ */ /* * Copyright (c) 1983-2003, Regents of the University of California. * All rights reserved. @@ -32,209 +32,14 @@ #include <sys/cdefs.h> #ifndef lint -__RCSID("$NetBSD: faketalk.c,v 1.23 2014/03/29 20:16:09 dholland Exp $"); +__RCSID("$NetBSD: faketalk.c,v 1.24 2014/03/29 20:32:04 dholland Exp $"); #endif /* not lint */ #include "hunt.h" -#if defined(TALK_43) || defined(TALK_42) - -#include <sys/time.h> -#include <sys/wait.h> -#include <ctype.h> -#include <netdb.h> -#include <signal.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include "talk_ctl.h" - -/* defines for fake talk message to announce start of game */ -#ifdef TALK_43 -#define MASQUERADE "\"Hunt Game\"" -#else -#define MASQUERADE "HuntGame" -#endif -#define RENDEZVOUS "hunt-players" -#define ARGV0 "HUNT-ANNOUNCE" - -extern char *my_machine_name; - -static void do_announce(char *); -void exorcise(int); - -/* - * exorcise - disspell zombies - */ - -void -exorcise(int dummy __unused) -{ - (void) wait(0); -} - -/* - * query the local SMTP daemon to expand the RENDEZVOUS mailing list - * and fake a talk request to each address thus found. - */ - -void -faketalk(void) -{ - struct servent *sp; - char buf[BUFSIZ]; - FILE *f; - int service; /* socket of service */ - struct sockaddr_in des; /* address of destination */ - - (void) signal(SIGCHLD, exorcise); - - if (fork() != 0) - return; - - (void) signal(SIGINT, SIG_IGN); - (void) signal(SIGPIPE, SIG_IGN); - - /* - * change argv so that a ps shows ARGV0 - */ - setproctitle("%s", ARGV0); - - /* - * initialize "talk" - */ - get_local_name(MASQUERADE); - open_ctl(); - - /* - * start fetching addresses - */ - - if ((sp = getservbyname("smtp", NULL)) == NULL) { -#ifdef LOG - syslog(LOG_ERR, "faketalk: smtp protocol not supported\n"); -#else - warn("faketalk: smtp protocol not supported"); -#endif - _exit(1); - } - - memset(&des, 0, sizeof (des)); - des.sin_family = AF_INET; - des.sin_addr = my_machine_addr; - des.sin_port = sp->s_port; - - if ((service = socket(des.sin_family, SOCK_STREAM, 0)) < 0) { -#ifdef LOG - syslog(LOG_ERR, "falktalk: socket"); -#else - warn("falktalk: socket"); -#endif - _exit(1); - } - - if (connect(service, (struct sockaddr *) &des, sizeof(des)) != 0) { -#ifdef LOG - syslog(LOG_ERR, "faketalk: connect"); -#else - warn("faketalk: connect"); -#endif - _exit(1); - } - if ((f = fdopen(service, "r")) == NULL) { -#ifdef LOG - syslog(LOG_ERR, "fdopen failed\n"); -#else - warn("faketalk: fdopen"); -#endif - _exit(2); - } - - (void) fgets(buf, BUFSIZ, f); - (void) snprintf(buf, sizeof(buf), - "HELO HuntGame@%s\r\n", my_machine_name); - (void) write(service, buf, strlen(buf)); - (void) fgets(buf, BUFSIZ, f); - (void) snprintf(buf, sizeof(buf), - "EXPN %s@%s\r\n", RENDEZVOUS, my_machine_name); - (void) write(service, buf, strlen(buf)); - while (fgets(buf, BUFSIZ, f) != NULL) { - char *s, *t; - - if (buf[0] != '2' || buf[1] != '5' || buf[2] != '0') - break; - if ((s = strchr(buf + 4, '<')) == NULL) - s = buf + 4, t = buf + strlen(buf) - 1; - else { - s += 1; - if ((t = strrchr(s, '>')) == NULL) - t = s + strlen(s) - 1; - else - t -= 1; - } - while (isspace((unsigned char)*s)) - s += 1; - if (*s == '\\') - s += 1; - while (isspace((unsigned char)*t)) - t -= 1; - *(t + 1) = '\0'; - do_announce(s); /* construct and send talk request */ - if (buf[3] == ' ') - break; - } - (void) shutdown(service, 2); - (void) close(service); - _exit(0); -} - -/* - * The msg.id's for the invitations on the local and remote machines. - * These are used to delete the invitations. - */ - -static void -do_announce(char *s) -{ - CTL_RESPONSE response; - - get_remote_name(s); /* setup his_machine_addr, msg.r_name */ - -#ifdef TALK_43 - /* XXX this is nothing like a safe cast */ - msg.ctl_addr = *(struct talkd_sockaddr *) &ctl_addr; - msg.ctl_addr.sa_family = htons(msg.ctl_addr.sa_family); -#else - msg.ctl_addr = ctl_addr; - msg.ctl_addr.sin_family = htons(msg.ctl_addr.sin_family); -#endif - msg.id_num = (int) htonl((uint32_t) -1); /* an impossible id_num */ - ctl_transact(his_machine_addr, msg, ANNOUNCE, &response); - if (response.answer != SUCCESS) - return; - - /* - * Have the daemons delete the invitations now that we - * have announced. - */ - - /* we don't care if cleanup doesn't make it. */ - msg.type = DELETE; - msg.id_num = (int) htonl(response.id_num); - daemon_addr.sin_addr = his_machine_addr; - if (sendto(ctl_sockt, &msg, sizeof (msg), 0, - (struct sockaddr *) &daemon_addr, sizeof(daemon_addr)) - != sizeof(msg)) - p_error("send delete remote"); -} - -#else - void faketalk(void) { return; } -#endif |