diff options
| -rw-r--r-- | console-tools/Makefile.in | 1 | ||||
| -rw-r--r-- | console-tools/config.in | 1 | ||||
| -rw-r--r-- | console-tools/openvt.c | 84 | ||||
| -rw-r--r-- | include/applets.h | 3 | ||||
| -rw-r--r-- | include/usage.h | 7 |
5 files changed, 96 insertions, 0 deletions
diff --git a/console-tools/Makefile.in b/console-tools/Makefile.in index bc0335643..c2c1bad6a 100644 --- a/console-tools/Makefile.in +++ b/console-tools/Makefile.in @@ -30,6 +30,7 @@ CONSOLETOOLS_DIR-$(CONFIG_DUMPKMAP) += dumpkmap.o CONSOLETOOLS_DIR-$(CONFIG_LOADACM) += loadacm.o CONSOLETOOLS_DIR-$(CONFIG_LOADFONT) += loadfont.o CONSOLETOOLS_DIR-$(CONFIG_LOADKMAP) += loadkmap.o +CONSOLETOOLS_DIR-$(CONFIG_OPENVT) += openvt.o CONSOLETOOLS_DIR-$(CONFIG_RESET) += reset.o CONSOLETOOLS_DIR-$(CONFIG_SETKEYCODES) += setkeycodes.o diff --git a/console-tools/config.in b/console-tools/config.in index 53d5ac6b4..2ea96aec4 100644 --- a/console-tools/config.in +++ b/console-tools/config.in @@ -12,6 +12,7 @@ bool 'dumpkmap' CONFIG_DUMPKMAP bool 'loadacm' CONFIG_LOADACM bool 'loadfont' CONFIG_LOADFONT bool 'loadkmap' CONFIG_LOADKMAP +bool 'openvt' CONFIG_OPENVT bool 'reset' CONFIG_RESET bool 'setkeycodes' CONFIG_SETKEYCODES diff --git a/console-tools/openvt.c b/console-tools/openvt.c new file mode 100644 index 000000000..3373edd29 --- /dev/null +++ b/console-tools/openvt.c @@ -0,0 +1,84 @@ +/* vi: set sw=4 ts=4: */ + +/* + * openvt.c - open a vt to run a command. + * + * busyboxed by Quy Tonthat <quy@signal3.com> + */ + +/* getopt not needed */ + +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <sys/types.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]; + char * cmd = NULL; + char * cmd_args = NULL; + + if (argc < 3) + show_usage(); + + if (!isdigit(argv[1][0])) + show_usage(); + + vtno = (int) atol(argv[1]); + + /* if (vtno <= 0 || vtno > 63) */ + if (vtno <= 0 || vtno > 12) + error_msg_and_die("Illegal vt number (%d)", vtno); + + sprintf(vtname, VTNAME, vtno); + + cmd = argv[2]; + cmd_args = xmalloc(80); + cmd_args[0] = '\0'; + + if((pid = fork()) == 0) { + /* leave current vt */ + +#ifdef ESIX_5_3_2_D + if (setpgrp() < 0) { +#else + if (setsid() < 0) { +#endif + + 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) + perror_msg_and_die("could not open %s", vtname); + + /* Reassign stdout and sterr */ + close(1); + close(2); + dup(fd); + dup(fd); + + execvp(cmd, &argv[2]); + /*execlp(cmd, cmd_args);*/ + _exit(1); + } + return EXIT_SUCCESS; +} + +/* +Local Variables: +c-file-style: "linux" +c-basic-offset: 4 +tab-width: 4 +End: +*/ diff --git a/include/applets.h b/include/applets.h index 9117880ad..38d75344f 100644 --- a/include/applets.h +++ b/include/applets.h @@ -341,6 +341,9 @@ #ifdef CONFIG_OD APPLET(od, od_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) #endif +#ifdef CONFIG_OPENVT + APPLET(openvt, openvt_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) +#endif #ifdef CONFIG_PASSWD APPLET(passwd, passwd_main, _BB_DIR_USR_BIN, _BB_SUID_ALWAYS) #endif diff --git a/include/usage.h b/include/usage.h index 9e16a085f..98b81cf1d 100644 --- a/include/usage.h +++ b/include/usage.h @@ -1347,6 +1347,13 @@ "Write an unambiguous representation, octal bytes by default, of FILE\n"\ "to standard output. With no FILE, or when FILE is -, read standard input." +#define openvt_trivial_usage \ + "<vtnum> <COMMAND> [ARGS...]" +#define openvt_full_usage \ + "Start a command on a new virtual terminal" +#define openvt_example_usage \ + "openvt 2 /bin/ash\n" + #ifdef CONFIG_FEATURE_SHA1_PASSWORDS #define PASSWORD_ALG_TYPES(a) a #else |