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openvt applet by Quy Tonthat
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6714862bdd
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@ -30,6 +30,7 @@ CONSOLETOOLS_DIR-$(CONFIG_DUMPKMAP) += dumpkmap.o
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CONSOLETOOLS_DIR-$(CONFIG_LOADACM) += loadacm.o
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CONSOLETOOLS_DIR-$(CONFIG_LOADFONT) += loadfont.o
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CONSOLETOOLS_DIR-$(CONFIG_LOADKMAP) += loadkmap.o
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CONSOLETOOLS_DIR-$(CONFIG_OPENVT) += openvt.o
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CONSOLETOOLS_DIR-$(CONFIG_RESET) += reset.o
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CONSOLETOOLS_DIR-$(CONFIG_SETKEYCODES) += setkeycodes.o
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@ -12,6 +12,7 @@ bool 'dumpkmap' CONFIG_DUMPKMAP
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bool 'loadacm' CONFIG_LOADACM
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bool 'loadfont' CONFIG_LOADFONT
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bool 'loadkmap' CONFIG_LOADKMAP
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bool 'openvt' CONFIG_OPENVT
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bool 'reset' CONFIG_RESET
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bool 'setkeycodes' CONFIG_SETKEYCODES
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84
console-tools/openvt.c
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84
console-tools/openvt.c
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@ -0,0 +1,84 @@
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/* vi: set sw=4 ts=4: */
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/*
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* openvt.c - open a vt to run a command.
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*
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* busyboxed by Quy Tonthat <quy@signal3.com>
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*/
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/* getopt not needed */
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <string.h>
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#include <sys/types.h>
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#include "busybox.h"
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#define VTNAME "/dev/tty%d"
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int openvt_main(int argc, char **argv)
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{
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int pid;
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int fd;
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int vtno;
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char vtname[sizeof VTNAME + 2];
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char * cmd = NULL;
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char * cmd_args = NULL;
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if (argc < 3)
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show_usage();
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if (!isdigit(argv[1][0]))
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show_usage();
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vtno = (int) atol(argv[1]);
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/* if (vtno <= 0 || vtno > 63) */
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if (vtno <= 0 || vtno > 12)
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error_msg_and_die("Illegal vt number (%d)", vtno);
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sprintf(vtname, VTNAME, vtno);
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cmd = argv[2];
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cmd_args = xmalloc(80);
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cmd_args[0] = '\0';
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if((pid = fork()) == 0) {
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/* leave current vt */
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#ifdef ESIX_5_3_2_D
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if (setpgrp() < 0) {
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#else
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if (setsid() < 0) {
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#endif
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perror_msg_and_die("Unable to set new session");
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}
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close(0); /* so that new vt becomes stdin */
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/* and grab new one */
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if ((fd = open(vtname, O_RDWR)) == -1)
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perror_msg_and_die("could not open %s", vtname);
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/* Reassign stdout and sterr */
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close(1);
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close(2);
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dup(fd);
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dup(fd);
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execvp(cmd, &argv[2]);
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/*execlp(cmd, cmd_args);*/
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_exit(1);
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}
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return EXIT_SUCCESS;
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}
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/*
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Local Variables:
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c-file-style: "linux"
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c-basic-offset: 4
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tab-width: 4
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End:
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*/
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@ -341,6 +341,9 @@
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#ifdef CONFIG_OD
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APPLET(od, od_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
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#endif
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#ifdef CONFIG_OPENVT
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APPLET(openvt, openvt_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
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#endif
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#ifdef CONFIG_PASSWD
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APPLET(passwd, passwd_main, _BB_DIR_USR_BIN, _BB_SUID_ALWAYS)
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#endif
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@ -1347,6 +1347,13 @@
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"Write an unambiguous representation, octal bytes by default, of FILE\n"\
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"to standard output. With no FILE, or when FILE is -, read standard input."
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#define openvt_trivial_usage \
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"<vtnum> <COMMAND> [ARGS...]"
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#define openvt_full_usage \
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"Start a command on a new virtual terminal"
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#define openvt_example_usage \
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"openvt 2 /bin/ash\n"
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#ifdef CONFIG_FEATURE_SHA1_PASSWORDS
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#define PASSWORD_ALG_TYPES(a) a
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#else
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