diff options
author | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
---|---|---|
committer | Andreas Baumann <mail@andreasbaumann.cc> | 2015-01-03 12:04:58 +0100 |
commit | 008d0be72b2f160382c6e880765e96b64a050c65 (patch) | |
tree | 36f48a98a3815a408e2ce1693dd182af90f80305 /release/src/router/busybox/console-tools/openvt.c | |
parent | 611becfb8726c60cb060368541ad98191d4532f5 (diff) | |
download | tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.gz tomato-008d0be72b2f160382c6e880765e96b64a050c65.tar.bz2 |
imported original firmware WRT54GL_v4.30.11_11_US
Diffstat (limited to 'release/src/router/busybox/console-tools/openvt.c')
-rw-r--r-- | release/src/router/busybox/console-tools/openvt.c | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/release/src/router/busybox/console-tools/openvt.c b/release/src/router/busybox/console-tools/openvt.c new file mode 100644 index 00000000..269dfc01 --- /dev/null +++ b/release/src/router/busybox/console-tools/openvt.c @@ -0,0 +1,97 @@ +/* vi: set sw=4 ts=4: */ +/* + * openvt.c - open a vt to run a command. + * + * busyboxed by Quy Tonthat <quy@signal3.com> + * hacked by Tito <farmatito@tiscali.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +/* getopt not needed */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <sys/types.h> +#include <ctype.h> + +#include "busybox.h" + +#define VTNAME "/dev/tty%d" + +int openvt_main(int argc, char **argv) +{ + int pid; + int fd; + int vtno; + char vtname[sizeof VTNAME + 2]; + + + if (argc < 3) + bb_show_usage(); + + if (!isdigit(argv[1][0])) + bb_show_usage(); + + vtno = (int) atol(argv[1]); + + /* if (vtno <= 0 || vtno > 63) */ + if (vtno <= 0 || vtno > 12) + bb_error_msg_and_die("Illegal vt number (%d)", vtno); + + sprintf(vtname, VTNAME, vtno); + + argv+=2; + argc-=2; + + if((pid = fork()) == 0) { + /* leave current vt */ + +#ifdef ESIX_5_3_2_D + if (setpgrp() < 0) { +#else + if (setsid() < 0) { +#endif + + bb_perror_msg_and_die("Unable to set new session"); + } + close(0); /* so that new vt becomes stdin */ + + /* and grab new one */ + if ((fd = open(vtname, O_RDWR)) == -1) + bb_perror_msg_and_die("could not open %s", vtname); + + /* Reassign stdout and sterr */ + close(1); + close(2); + dup(fd); + dup(fd); + + execvp(argv[0], argv); + _exit(1); + } + return EXIT_SUCCESS; +} + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ |