/* SmoothWall helper program - iowrap. * * This program is distributed under the terms of the GNU General Public * Licence. See the file COPYING for details. * * (c) Lawrence Manning, 2001 * Installer helper for redirecting stdout/stderr to a file/terminal. * init calls ash through this program to shove it on a tty. * * $Id: iowrap.c,v 1.2 2001/11/27 15:20:50 riddles Exp $ * */ #include #include #include #include #include int main(int argc, char *argv[]) { /* Prog takes one argument. A device to run on (like a getty) */ if (argc >= 2) { int fd; if ((fd = open(argv[1], O_RDWR)) == -1) { printf("Couldn't open device\n"); return 0; } dup2(fd, 0); dup2(fd, 1); dup2(fd, 2); /* Now its sending/reading on that device. */ } if (argc >= 3) execvp(argv[2], &argv[2]); else printf("No command\n"); return 0; }