2 * Copyright (c) 1980, 1992, 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
33 * @(#) Copyright (c) 1980, 1992, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)script.c 8.1 (Berkeley) 6/6/93
35 * $FreeBSD: src/usr.bin/script/script.c,v 1.11.2.1 2000/07/20 10:35:21 kris Exp $
36 * $DragonFly: src/usr.bin/script/script.c,v 1.4 2004/03/28 01:02:54 cpressey Exp $
39 #include <sys/types.h>
42 #include <sys/ioctl.h>
65 static void done(int) __dead2;
66 static void dooutput(void);
67 static void doshell(char **);
68 static void fail(void);
69 static void finish(void);
70 static void usage(void);
73 main(int argc, char **argv)
76 struct termios rtt, stt;
78 int aflg, kflg, ch, n;
79 struct timeval tv, *tvp;
88 while ((ch = getopt(argc, argv, "aqkt:")) != -1)
100 flushtime = atoi(optarg);
102 err(1, "invalid flush time %d", flushtime);
116 fname = "typescript";
118 if ((fscript = fopen(fname, aflg ? "a" : "w")) == NULL)
121 tcgetattr(STDIN_FILENO, &tt);
122 ioctl(STDIN_FILENO, TIOCGWINSZ, &win);
123 if (openpty(&master, &slave, NULL, &tt, &win) == -1)
128 printf("Script started, output file is %s\n", fname);
129 fprintf(fscript, "Script started on %s", ctime(&tvec));
134 rtt.c_lflag &= ~ECHO;
135 tcsetattr(STDIN_FILENO, TCSAFLUSH, &rtt);
153 FD_SET(master, &rfd);
154 FD_SET(STDIN_FILENO, &rfd);
156 tv.tv_sec = flushtime;
159 n = select(master + 1, &rfd, 0, 0, tvp);
160 if (n < 0 && errno != EINTR)
162 if (n > 0 && FD_ISSET(STDIN_FILENO, &rfd)) {
163 cc = read(STDIN_FILENO, ibuf, sizeof(ibuf));
167 write(master, ibuf, cc);
168 if (kflg && tcgetattr(master, &stt) >= 0 &&
169 ((stt.c_lflag & ECHO) == 0)) {
170 fwrite(ibuf, 1, cc, fscript);
174 if (n > 0 && FD_ISSET(master, &rfd)) {
175 cc = read(master, obuf, sizeof(obuf));
178 write(STDOUT_FILENO, obuf, cc);
179 fwrite(obuf, 1, cc, fscript);
182 if (tvec - start >= flushtime) {
195 "usage: script [-a] [-q] [-k] [-t time] [file] [command]\n");
206 while ((pid = wait3((int *)&status, WNOHANG, 0)) > 0)
209 if (WIFEXITED(status))
210 e = WEXITSTATUS(status);
211 else if (WIFSIGNALED(status))
212 e = WTERMSIG(status);
213 else /* can't happen */
226 shell = getenv("SHELL");
228 shell = _PATH_BSHELL;
237 execl(shell, shell, "-i", NULL);
255 tcsetattr(STDIN_FILENO, TCSAFLUSH, &tt);
258 fprintf(fscript,"\nScript done on %s", ctime(&tvec));
259 printf("\nScript done, output file is %s\n", fname);