mirror of
https://github.com/sheumann/hush.git
synced 2024-07-02 08:29:40 +00:00
e6b9dfa967
maintain it very well, so including it was not very appropriate. Those wanting an fdisk are invited to grab a copy from util-linux. -Erik
536 lines
11 KiB
C
536 lines
11 KiB
C
/* vi: set sw=4 ts=4: */
|
|
#include "internal.h"
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
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
|
|
|
|
const struct BB_applet applets[] = {
|
|
|
|
#ifdef BB_AR
|
|
{"ar", ar_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_BASENAME
|
|
{"basename", basename_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
{"busybox", busybox_main, _BB_DIR_BIN},
|
|
#ifdef BB_CAT
|
|
{"cat", cat_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_CHMOD_CHOWN_CHGRP
|
|
{"chgrp", chmod_chown_chgrp_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_CHMOD_CHOWN_CHGRP
|
|
{"chmod", chmod_chown_chgrp_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_CHMOD_CHOWN_CHGRP
|
|
{"chown", chmod_chown_chgrp_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_CHROOT
|
|
{"chroot", chroot_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_CLEAR
|
|
{"clear", clear_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_CHVT
|
|
{"chvt", chvt_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_CP_MV
|
|
{"cp", cp_mv_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_CUT
|
|
{"cut", cut_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_DATE
|
|
{"date", date_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_DC
|
|
{"dc", dc_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_DD
|
|
{"dd", dd_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_DF
|
|
{"df", df_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_DIRNAME
|
|
{"dirname", dirname_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_DMESG
|
|
{"dmesg", dmesg_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_DU
|
|
{"du", du_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_DUTMP
|
|
{"dutmp", dutmp_main, _BB_DIR_USR_SBIN},
|
|
#endif
|
|
#ifdef BB_ECHO
|
|
{"echo", echo_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_TRUE_FALSE
|
|
{"false", false_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_FBSET
|
|
{"fbset", fbset_main, _BB_DIR_USR_SBIN},
|
|
#endif
|
|
#ifdef BB_FDFLUSH
|
|
{"fdflush", fdflush_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_FIND
|
|
{"find", find_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_FREE
|
|
{"free", free_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_FREERAMDISK
|
|
{"freeramdisk", freeramdisk_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_DEALLOCVT
|
|
{"deallocvt", deallocvt_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_FSCK_MINIX
|
|
{"fsck.minix", fsck_minix_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_GREP
|
|
{"grep", grep_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_GUNZIP
|
|
{"gunzip", gunzip_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_GZIP
|
|
{"gzip", gzip_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_HALT
|
|
{"halt", halt_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_HEAD
|
|
{"head", head_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_HOSTID
|
|
{"hostid", hostid_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_HOSTNAME
|
|
{"hostname", hostname_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_ID
|
|
{"id", id_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_INIT
|
|
{"init", init_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_INSMOD
|
|
{"insmod", insmod_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_KILL
|
|
{"kill", kill_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_KILLALL
|
|
{"killall", kill_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_LENGTH
|
|
{"length", length_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_LINUXRC
|
|
{"linuxrc", init_main, _BB_DIR_ROOT},
|
|
#endif
|
|
#ifdef BB_LN
|
|
{"ln", ln_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_LOADACM
|
|
{"loadacm", loadacm_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_LOADFONT
|
|
{"loadfont", loadfont_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_LOADKMAP
|
|
{"loadkmap", loadkmap_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_LOGGER
|
|
{"logger", logger_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_LOGNAME
|
|
{"logname", logname_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_LS
|
|
{"ls", ls_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_LSMOD
|
|
{"lsmod", lsmod_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_MAKEDEVS
|
|
{"makedevs", makedevs_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_MD5SUM
|
|
{"md5sum", md5sum_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_MKDIR
|
|
{"mkdir", mkdir_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_MKFIFO
|
|
{"mkfifo", mkfifo_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_MKFS_MINIX
|
|
{"mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_MKNOD
|
|
{"mknod", mknod_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_MKSWAP
|
|
{"mkswap", mkswap_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_MKTEMP
|
|
{"mktemp", mktemp_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_NC
|
|
{"nc", nc_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_MORE
|
|
{"more", more_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_MOUNT
|
|
{"mount", mount_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_MT
|
|
{"mt", mt_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_CP_MV
|
|
{"mv", cp_mv_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_NSLOOKUP
|
|
{"nslookup", nslookup_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_PING
|
|
{"ping", ping_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_POWEROFF
|
|
{"poweroff", poweroff_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_PRINTF
|
|
{"printf", printf_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_PS
|
|
{"ps", ps_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_PWD
|
|
{"pwd", pwd_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_REBOOT
|
|
{"reboot", reboot_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_RM
|
|
{"rm", rm_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_RMDIR
|
|
{"rmdir", rmdir_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_RMMOD
|
|
{"rmmod", rmmod_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_SED
|
|
{"sed", sed_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_SETKEYCODES
|
|
{"setkeycodes", setkeycodes_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_SH
|
|
{"sh", shell_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_SLEEP
|
|
{"sleep", sleep_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_SORT
|
|
{"sort", sort_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_SYNC
|
|
{"sync", sync_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_SYSLOGD
|
|
{"syslogd", syslogd_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_SWAPONOFF
|
|
{"swapon", swap_on_off_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_SWAPONOFF
|
|
{"swapoff", swap_on_off_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_TAIL
|
|
{"tail", tail_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_TAR
|
|
{"tar", tar_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_TELNET
|
|
{"telnet", telnet_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_TEST
|
|
{"test", test_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_TEE
|
|
{"tee", tee_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_TOUCH
|
|
{"touch", touch_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_TR
|
|
{"tr", tr_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_TRUE_FALSE
|
|
{"true", true_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_TTY
|
|
{"tty", tty_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_UMOUNT
|
|
{"umount", umount_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_UNAME
|
|
{"uname", uname_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_UNIQ
|
|
{"uniq", uniq_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_UPDATE
|
|
{"update", update_main, _BB_DIR_SBIN},
|
|
#endif
|
|
#ifdef BB_UPTIME
|
|
{"uptime", uptime_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_UUENCODE
|
|
{"uuencode", uuencode_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_UUDECODE
|
|
{"uudecode", uudecode_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_USLEEP
|
|
{"usleep", usleep_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_WC
|
|
{"wc", wc_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_WHICH
|
|
{"which", which_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_WHOAMI
|
|
{"whoami", whoami_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_YES
|
|
{"yes", yes_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
#ifdef BB_GUNZIP
|
|
{"zcat", gunzip_main, _BB_DIR_BIN},
|
|
#endif
|
|
#ifdef BB_TEST
|
|
{"[", test_main, _BB_DIR_USR_BIN},
|
|
#endif
|
|
{0}
|
|
};
|
|
|
|
|
|
#ifdef BB_FEATURE_INSTALLER
|
|
/*
|
|
* directory table
|
|
* this should be consistent w/ the enum, internal.h::Location,
|
|
* or else...
|
|
*/
|
|
static char* install_dir[] = {
|
|
"/",
|
|
"/bin",
|
|
"/sbin",
|
|
"/usr/bin",
|
|
"/usr/sbin",
|
|
};
|
|
|
|
/* abstract link() */
|
|
typedef int (*__link_f)(const char *, const char *);
|
|
|
|
/*
|
|
* Where in the filesystem is this busybox?
|
|
* [return]
|
|
* malloc'd string w/ full pathname of busybox's location
|
|
* NULL on failure
|
|
*/
|
|
static char *busybox_fullpath()
|
|
{
|
|
pid_t pid;
|
|
char path[256];
|
|
char proc[256];
|
|
int len;
|
|
|
|
pid = getpid();
|
|
sprintf(proc, "/proc/%d/exe", pid);
|
|
len = readlink(proc, path, 256);
|
|
if (len != -1) {
|
|
path[len] = 0;
|
|
} else {
|
|
fprintf(stderr, "busybox : %s : %s\n", proc, strerror(errno));
|
|
return NULL;
|
|
}
|
|
return strdup(path);
|
|
}
|
|
|
|
/* create (sym)links for each applet */
|
|
static int install_links(const char *busybox, int use_symbolic_links)
|
|
{
|
|
__link_f Link = link;
|
|
|
|
char command[256];
|
|
int i;
|
|
int rc = 0;
|
|
|
|
if (use_symbolic_links) Link = symlink;
|
|
|
|
for (i = 0; applets[i].name != NULL; i++) {
|
|
sprintf (
|
|
command,
|
|
"%s/%s",
|
|
install_dir[applets[i].location],
|
|
applets[i].name
|
|
);
|
|
#if 1
|
|
rc |= Link(busybox, command);
|
|
#else
|
|
puts(command);
|
|
#endif
|
|
if (rc) {
|
|
fprintf(stderr,"busybox : %s : %s\n", command, strerror(errno));
|
|
}
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
#if 0
|
|
int uninstall_links() ?
|
|
#endif
|
|
#endif /* BB_FEATURE_INSTALLER */
|
|
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
char *s;
|
|
char *name;
|
|
const struct BB_applet *a = applets;
|
|
|
|
#ifdef BB_FEATURE_INSTALLER
|
|
/*
|
|
* This style of argument parsing doesn't scale well
|
|
* in the event that busybox starts wanting more --options.
|
|
* If someone has a cleaner approach, by all means implement it.
|
|
*/
|
|
if (argc > 1 && (strcmp(argv[1], "--install") == 0)) {
|
|
int use_symbolic_links = 0;
|
|
int rc = 0;
|
|
char *busybox;
|
|
|
|
/* to use symlinks, or not to use symlinks... */
|
|
if (argc > 2) {
|
|
if ((strcmp(argv[2], "-s") == 0)) {
|
|
use_symbolic_links = 1;
|
|
}
|
|
}
|
|
|
|
/* link */
|
|
busybox = busybox_fullpath();
|
|
if (busybox) {
|
|
install_links(busybox, use_symbolic_links);
|
|
free(busybox);
|
|
} else {
|
|
rc = 1;
|
|
}
|
|
return rc;
|
|
}
|
|
#endif /* BB_FEATURE_INSTALLER */
|
|
|
|
for (s = name = argv[0]; *s != '\0';) {
|
|
if (*s++ == '/')
|
|
name = s;
|
|
}
|
|
|
|
*argv = name;
|
|
|
|
#ifdef BB_SH
|
|
/* Add in a special case hack -- whenever **argv == '-'
|
|
* (i.e. '-su' or '-sh') always invoke the shell */
|
|
if (**argv == '-')
|
|
exit(((*(shell_main)) (argc, argv)));
|
|
#endif
|
|
|
|
while (a->name != 0) {
|
|
if (strcmp(name, a->name) == 0) {
|
|
exit(((*(a->main)) (argc, argv)));
|
|
}
|
|
a++;
|
|
}
|
|
return(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 BB_applet *a = applets;
|
|
|
|
fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n"
|
|
"Usage: busybox [function] [arguments]...\n"
|
|
" or: [function] [arguments]...\n\n"
|
|
"\tBusyBox is a multi-call binary that combines many common Unix\n"
|
|
"\tutilities into a single executable. Most people will create a\n"
|
|
"\tlink to busybox for each function they wish to use, and BusyBox\n"
|
|
"\twill act like whatever it was invoked as.\n"
|
|
"\nCurrently defined functions:\n", BB_VER, BB_BT);
|
|
|
|
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);
|
|
}
|
|
/* If we've already been here once, exit now */
|
|
been_there_done_that = 1;
|
|
return (main(argc, argv));
|
|
}
|
|
|
|
/*
|
|
Local Variables:
|
|
c-file-style: "linux"
|
|
c-basic-offset: 4
|
|
tab-width: 4
|
|
End:
|
|
*/
|