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
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9 * notice, this list of conditions and the following disclaimer.
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11 * notice, this list of conditions and the following disclaimer in the
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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
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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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
33 * @(#)tipout.c 8.1 (Berkeley) 6/6/93
34 * $FreeBSD: src/usr.bin/tip/tip/tipout.c,v 1.6.2.2 2001/06/02 08:08:24 phk Exp $
35 * $DragonFly: src/usr.bin/tip/tip/tipout.c,v 1.2 2003/06/17 04:29:33 dillon Exp $
43 * lower fork of tip -- handles passive side
44 * reading from the remote host
47 static jmp_buf sigbuf;
50 * TIPOUT wait state routine --
51 * sent by TIPIN when it wants to posses the remote host
57 write(repdes[1],&ccc,1);
58 read(fildes[0], &ccc,1);
63 * Scripting command interpreter --
64 * accepts script file name over the pipe and acts accordingly
70 register char *pline = line;
73 read(fildes[0], &c, 1);
74 while (c != '\n' && pline - line < sizeof(line)) {
76 read(fildes[0], &c, 1);
79 if (boolean(value(SCRIPT)) && fscript != NULL)
82 boolean(value(SCRIPT)) = FALSE;
85 if ((fscript = fopen(line, "a")) == NULL)
89 boolean(value(SCRIPT)) = TRUE;
92 write(repdes[1], &reply, 1);
100 if (boolean(value(SCRIPT)) && fscript != NULL)
109 boolean(value(BEAUTIFY)) = !boolean(value(BEAUTIFY));
114 * ****TIPOUT TIPOUT****
124 signal(SIGINT, SIG_IGN);
125 signal(SIGQUIT, SIG_IGN);
126 signal(SIGEMT, intEMT); /* attention from TIPIN */
127 signal(SIGTERM, intTERM); /* time to go signal */
128 signal(SIGIOT, intIOT); /* scripting going on signal */
129 signal(SIGHUP, intTERM); /* for dial-ups */
130 signal(SIGSYS, intSYS); /* beautify toggle */
131 (void) setjmp(sigbuf);
132 for (omask = 0;; sigsetmask(omask)) {
133 cnt = read(FD, buf, BUFSIZ);
136 if (cnt < 0 && errno == EIO) {
137 sigblock(sigmask(SIGTERM));
140 } else if (cnt == 0 && errno == ENOENT) {
142 kill(getppid(),SIGUSR1);
143 sigblock(sigmask(SIGTERM));
146 } else if (cnt < 0) {
148 kill(getppid(),SIGUSR1);
149 sigblock(sigmask(SIGTERM));
155 #define ALLSIGS sigmask(SIGEMT)|sigmask(SIGTERM)|sigmask(SIGIOT)|sigmask(SIGSYS)
156 omask = sigblock(ALLSIGS);
157 for (cp = buf; cp < buf + cnt; cp++)
159 if (write(1, buf, cnt) < 0)
161 if (boolean(value(SCRIPT)) && fscript != NULL) {
162 if (!boolean(value(BEAUTIFY))) {
163 fwrite(buf, 1, cnt, fscript);
166 for (cp = buf; cp < buf + cnt; cp++)
167 if ((*cp >= ' ' && *cp <= '~') ||
168 any(*cp, value(EXCEPTIONS)))