2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static char sccsid[] = "@(#)tipout.c 8.1 (Berkeley) 6/6/93";
38 static const char rcsid[] =
39 "$FreeBSD: src/usr.bin/tip/tip/tipout.c,v 1.6.2.2 2001/06/02 08:08:24 phk Exp $";
47 * lower fork of tip -- handles passive side
48 * reading from the remote host
51 static jmp_buf sigbuf;
54 * TIPOUT wait state routine --
55 * sent by TIPIN when it wants to posses the remote host
61 write(repdes[1],&ccc,1);
62 read(fildes[0], &ccc,1);
67 * Scripting command interpreter --
68 * accepts script file name over the pipe and acts accordingly
74 register char *pline = line;
77 read(fildes[0], &c, 1);
78 while (c != '\n' && pline - line < sizeof(line)) {
80 read(fildes[0], &c, 1);
83 if (boolean(value(SCRIPT)) && fscript != NULL)
86 boolean(value(SCRIPT)) = FALSE;
89 if ((fscript = fopen(line, "a")) == NULL)
93 boolean(value(SCRIPT)) = TRUE;
96 write(repdes[1], &reply, 1);
104 if (boolean(value(SCRIPT)) && fscript != NULL)
113 boolean(value(BEAUTIFY)) = !boolean(value(BEAUTIFY));
118 * ****TIPOUT TIPOUT****
128 signal(SIGINT, SIG_IGN);
129 signal(SIGQUIT, SIG_IGN);
130 signal(SIGEMT, intEMT); /* attention from TIPIN */
131 signal(SIGTERM, intTERM); /* time to go signal */
132 signal(SIGIOT, intIOT); /* scripting going on signal */
133 signal(SIGHUP, intTERM); /* for dial-ups */
134 signal(SIGSYS, intSYS); /* beautify toggle */
135 (void) setjmp(sigbuf);
136 for (omask = 0;; sigsetmask(omask)) {
137 cnt = read(FD, buf, BUFSIZ);
140 if (cnt < 0 && errno == EIO) {
141 sigblock(sigmask(SIGTERM));
144 } else if (cnt == 0 && errno == ENOENT) {
146 kill(getppid(),SIGUSR1);
147 sigblock(sigmask(SIGTERM));
150 } else if (cnt < 0) {
152 kill(getppid(),SIGUSR1);
153 sigblock(sigmask(SIGTERM));
159 #define ALLSIGS sigmask(SIGEMT)|sigmask(SIGTERM)|sigmask(SIGIOT)|sigmask(SIGSYS)
160 omask = sigblock(ALLSIGS);
161 for (cp = buf; cp < buf + cnt; cp++)
163 if (write(1, buf, cnt) < 0)
165 if (boolean(value(SCRIPT)) && fscript != NULL) {
166 if (!boolean(value(BEAUTIFY))) {
167 fwrite(buf, 1, cnt, fscript);
170 for (cp = buf; cp < buf + cnt; cp++)
171 if ((*cp >= ' ' && *cp <= '~') ||
172 any(*cp, value(EXCEPTIONS)))