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hush/busybox.c
Erik Andersen f7c49ef2d1 Sync up a few things. Add in a new telnet implementation (still 
not perfect though).
 -Erik
2000-02-22 17:17:45 +00:00

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/* vi: set sw=4 ts=4: */
#include "internal.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#ifndef BB_INIT
#undef BB_FEATURE_LINUXRC
#endif
static int been_there_done_that = 0;
/* It has been alledged that doing such things can
* help reduce binary size when staticly linking,
* of course with glibc, this is unlikely as long
* as we use things like printf -- perhaps a printf
* replacement may be in order
*/
#if 0
void exit(int status) __attribute__ ((noreturn));
void exit(int status)
{
_exit(status);
};
void abort(void) __attribute__ ((__noreturn__));
void abort(void)
{
_exit(0);
};
int atexit(void (*__func) (void))
{
_exit(0);
};
void *__libc_stack_end;
#endif
static const struct Applet applets[] = {
#ifdef BB_BASENAME //usr/bin/basename
{"basename", basename_main},
#endif
#ifdef BB_BUSYBOX //bin
{"busybox", busybox_main},
#endif
#ifdef BB_BLOCK_DEVICE //sbin
{"block_device", block_device_main},
#endif
#ifdef BB_CAT //bin
{"cat", cat_main},
#endif
#ifdef BB_CHMOD_CHOWN_CHGRP //bin
{"chmod", chmod_chown_chgrp_main},
{"chown", chmod_chown_chgrp_main},
{"chgrp", chmod_chown_chgrp_main},
#endif
#ifdef BB_CHROOT //sbin
{"chroot", chroot_main},
#endif
#ifdef BB_CLEAR //usr/bin
{"clear", clear_main},
#endif
#ifdef BB_CHVT //usr/bin
{"chvt", chvt_main},
#endif
#ifdef BB_CP_MV //bin
{"cp", cp_mv_main},
{"mv", cp_mv_main},
#endif
#ifdef BB_DATE //bin
{"date", date_main},
#endif
#ifdef BB_DD //bin
{"dd", dd_main},
#endif
#ifdef BB_DF //bin
{"df", df_main},
#endif
#ifdef BB_DMESG //bin
{"dmesg", dmesg_main},
#endif
#ifdef BB_DU //bin
{"du", du_main},
#endif
#ifdef BB_DUTMP //usr/sbin
{"dutmp", dutmp_main},
#endif
#ifdef BB_FBSET //usr/sbin
{"fbset", fbset_main},
#endif
#ifdef BB_FDFLUSH //bin
{"fdflush", fdflush_main},
#endif
#ifdef BB_FIND //usr/bin
{"find", find_main},
#endif
#ifdef BB_FREE //usr/bin
{"free", free_main},
#endif
#ifdef BB_DEALLOCVT //usr/bin
{"deallocvt", deallocvt_main},
#endif
#ifdef BB_FSCK_MINIX //sbin
{"fsck.minix", fsck_minix_main},
#endif
#ifdef BB_MKFS_MINIX //sbin
{"mkfs.minix", mkfs_minix_main},
#endif
#ifdef BB_GREP //bin
{"grep", grep_main},
#endif
#ifdef BB_HALT //sbin
{"halt", halt_main},
#endif
#ifdef BB_HEAD //bin
{"head", head_main},
#endif
#ifdef BB_HOSTID //usr/bin
{"hostid", hostid_main},
#endif
#ifdef BB_HOSTNAME //bin
{"hostname", hostname_main},
#endif
#ifdef BB_INIT //sbin
{"init", init_main},
#endif
#ifdef BB_INSMOD //sbin
{"insmod", insmod_main},
#endif
#ifdef BB_FEATURE_LINUXRC //
{"linuxrc", init_main},
#endif
#ifdef BB_KILL //bin
{"kill", kill_main},
#endif
#ifdef BB_LENGTH //usr/bin
{"length", length_main},
#endif
#ifdef BB_LN //bin
{"ln", ln_main},
#endif
#ifdef BB_LOADACM //usr/bin
{"loadacm", loadacm_main},
#endif
#ifdef BB_LOADFONT //usr/bin
{"loadfont", loadfont_main},
#endif
#ifdef BB_LOADKMAP //sbin
{"loadkmap", loadkmap_main},
#endif
#ifdef BB_LS //bin
{"ls", ls_main},
#endif
#ifdef BB_LSMOD //sbin
{"lsmod", lsmod_main},
#endif
#ifdef BB_MAKEDEVS //sbin
{"makedevs", makedevs_main},
#endif
#ifdef BB_MATH //usr/bin
{"math", math_main},
#endif
#ifdef BB_MKDIR //bin
{"mkdir", mkdir_main},
#endif
#ifdef BB_MKFIFO //usr/bin
{"mkfifo", mkfifo_main},
#endif
#ifdef BB_MKNOD //bin
{"mknod", mknod_main},
#endif
#ifdef BB_MKSWAP //sbin
{"mkswap", mkswap_main},
#endif
#ifdef BB_MNC //usr/bin
{"mnc", mnc_main},
#endif
#ifdef BB_MORE //bin
{"more", more_main},
#endif
#ifdef BB_MOUNT //bin
{"mount", mount_main},
#endif
#ifdef BB_MT //bin
{"mt", mt_main},
#endif
#ifdef BB_NSLOOKUP //usr/bin
{"nslookup", nslookup_main},
#endif
#ifdef BB_PING //bin
{"ping", ping_main},
#endif
#ifdef BB_POWEROFF //sbin
{"poweroff", poweroff_main},
#endif
#ifdef BB_PRINTF //usr/bin
{"printf", printf_main},
#endif
#ifdef BB_PS //bin
{"ps", ps_main},
#endif
#ifdef BB_PWD //bin
{"pwd", pwd_main},
#endif
#ifdef BB_REBOOT //sbin
{"reboot", reboot_main},
#endif
#ifdef BB_RM //bin
{"rm", rm_main},
#endif
#ifdef BB_RMDIR //bin
{"rmdir", rmdir_main},
#endif
#ifdef BB_RMMOD //sbin
{"rmmod", rmmod_main},
#endif
#ifdef BB_SFDISK //sbin
{"fdisk", sfdisk_main},
{"sfdisk", sfdisk_main},
#endif
#ifdef BB_SED //bin
{"sed", sed_main},
#endif
#ifdef BB_SLEEP //bin
{"sleep", sleep_main},
#endif
#ifdef BB_SORT //bin
{"sort", sort_main},
#endif
#ifdef BB_SYNC //bin
{"sync", sync_main},
#endif
#ifdef BB_SYSLOGD //sbin
{"syslogd", syslogd_main},
#endif
#ifdef BB_LOGGER //usr/bin
{"logger", logger_main},
#endif
#ifdef BB_LOGNAME //usr/bin
{"logname", logname_main},
#endif
#ifdef BB_SWAPONOFF //sbin
{"swapon", swap_on_off_main},
{"swapoff", swap_on_off_main},
#endif
#ifdef BB_TAIL //usr/bin
{"tail", tail_main},
#endif
#ifdef BB_TAR //bin
{"tar", tar_main},
#endif
#ifdef BB_TELNET //usr/bin
{"telnet", telnet_main},
#endif
#ifdef BB_TEE //bin
{"tee", tee_main},
#endif
#ifdef BB_TOUCH //usr/bin
{"touch", touch_main},
#endif
#ifdef BB_TRUE_FALSE //bin
{"true", true_main},
{"false", false_main},
#endif
#ifdef BB_TTY //usr/bin
{"tty", tty_main},
#endif
#ifdef BB_UNAME //bin
{"uname", uname_main},
#endif
#ifdef BB_UMOUNT //bin
{"umount", umount_main},
#endif
#ifdef BB_UNIQ //bin
{"uniq", uniq_main},
#endif
#ifdef BB_UPDATE //sbin
{"update", update_main},
#endif
#ifdef BB_WC //usr/bin
{"wc", wc_main},
#endif
#ifdef BB_WHOAMI //usr/bin
{"whoami", whoami_main},
#endif
#ifdef BB_YES //usr/bin
{"yes", yes_main},
#endif
#ifdef BB_GUNZIP //bin
{"zcat", gunzip_main},
{"gunzip", gunzip_main},
#endif
#ifdef BB_GZIP //bin
{"gzip", gzip_main},
#endif
{0}
};
int main(int argc, char **argv)
{
char *s = argv[0];
char *name = argv[0];
const struct Applet *a = applets;
while (*s != '\0') {
if (*s++ == '/')
name = s;
}
while (a->name != 0) {
if (strcmp(name, a->name) == 0) {
int status;
status = ((*(a->main)) (argc, argv));
if (status < 0) {
fprintf(stderr, "%s: %s\n", a->name, strerror(errno));
}
fprintf(stderr, "\n");
exit(status);
}
a++;
}
exit(busybox_main(argc, argv));
}
int busybox_main(int argc, char **argv)
{
int col = 0;
argc--;
argv++;
if (been_there_done_that == 1 || argc < 1) {
const struct Applet *a = applets;
fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n",
BB_VER, BB_BT);
fprintf(stderr, "Usage: busybox [function] [arguments]...\n");
fprintf(stderr, " or: [function] [arguments]...\n\n");
fprintf(stderr,
"\tMost people will create a symlink to busybox for each\n"
"\tfunction name, and busybox will act like whatever you invoke it as.\n");
fprintf(stderr, "\nCurrently defined functions:\n");
while (a->name != 0) {
col +=
fprintf(stderr, "%s%s", ((col == 0) ? "\t" : ", "),
(a++)->name);
if (col > 60 && a->name != 0) {
fprintf(stderr, ",\n");
col = 0;
}
}
fprintf(stderr, "\n\n");
exit(-1);
} else {
/* If we've already been here once, exit now */
been_there_done_that = 1;
return (main(argc, argv));
}
}
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