1 /* vi: set sw=4 ts=4: */
7 static int been_there_done_that = 0;
9 /* It has been alledged that doing such things can
10 * help reduce binary size when staticly linking,
11 * of course with glibc, this is unlikely as long
12 * as we use things like printf -- perhaps a printf
13 * replacement may be in order
16 void exit(int status) __attribute__ ((noreturn));
21 void abort(void) __attribute__ ((__noreturn__));
26 int atexit(void (*__func) (void))
30 void *__libc_stack_end;
33 const struct BB_applet applets[] = {
36 {"ar", ar_main, _BB_DIR_USR_BIN},
39 {"basename", basename_main, _BB_DIR_USR_BIN},
41 {"busybox", busybox_main, _BB_DIR_BIN},
42 #ifdef BB_BLOCK_DEVICE
43 {"block_device", block_device_main, _BB_DIR_SBIN},
46 {"cat", cat_main, _BB_DIR_BIN},
48 #ifdef BB_CHMOD_CHOWN_CHGRP
49 {"chgrp", chmod_chown_chgrp_main, _BB_DIR_BIN},
51 #ifdef BB_CHMOD_CHOWN_CHGRP
52 {"chmod", chmod_chown_chgrp_main, _BB_DIR_BIN},
54 #ifdef BB_CHMOD_CHOWN_CHGRP
55 {"chown", chmod_chown_chgrp_main, _BB_DIR_BIN},
58 {"chroot", chroot_main, _BB_DIR_SBIN},
61 {"clear", clear_main, _BB_DIR_USR_BIN},
64 {"chvt", chvt_main, _BB_DIR_USR_BIN},
67 {"cp", cp_mv_main, _BB_DIR_BIN},
70 {"cut", cut_main, _BB_DIR_USR_BIN},
73 {"date", date_main, _BB_DIR_BIN},
76 {"dc", dc_main, _BB_DIR_USR_BIN},
79 {"dd", dd_main, _BB_DIR_BIN},
82 {"df", df_main, _BB_DIR_BIN},
85 {"dirname", dirname_main, _BB_DIR_USR_BIN},
88 {"dmesg", dmesg_main, _BB_DIR_BIN},
91 {"du", du_main, _BB_DIR_BIN},
94 {"dutmp", dutmp_main, _BB_DIR_USR_SBIN},
97 {"echo", echo_main, _BB_DIR_BIN},
100 {"false", false_main, _BB_DIR_BIN},
103 {"fbset", fbset_main, _BB_DIR_USR_SBIN},
106 {"fdflush", fdflush_main, _BB_DIR_BIN},
109 {"find", find_main, _BB_DIR_USR_BIN},
112 {"free", free_main, _BB_DIR_USR_BIN},
114 #ifdef BB_FREERAMDISK
115 {"freeramdisk", freeramdisk_main, _BB_DIR_SBIN},
118 {"deallocvt", deallocvt_main, _BB_DIR_USR_BIN},
121 {"fsck.minix", fsck_minix_main, _BB_DIR_SBIN},
124 {"grep", grep_main, _BB_DIR_BIN},
127 {"gunzip", gunzip_main, _BB_DIR_BIN},
130 {"gzip", gzip_main, _BB_DIR_BIN},
133 {"halt", halt_main, _BB_DIR_SBIN},
136 {"head", head_main, _BB_DIR_BIN},
139 {"hostid", hostid_main, _BB_DIR_USR_BIN},
142 {"hostname", hostname_main, _BB_DIR_BIN},
145 {"id", id_main, _BB_DIR_USR_BIN},
148 {"init", init_main, _BB_DIR_SBIN},
151 {"insmod", insmod_main, _BB_DIR_SBIN},
154 {"kill", kill_main, _BB_DIR_BIN},
157 {"killall", kill_main, _BB_DIR_USR_BIN},
160 {"length", length_main, _BB_DIR_USR_BIN},
163 {"linuxrc", init_main, _BB_DIR_ROOT},
166 {"ln", ln_main, _BB_DIR_BIN},
169 {"loadacm", loadacm_main, _BB_DIR_USR_BIN},
172 {"loadfont", loadfont_main, _BB_DIR_USR_BIN},
175 {"loadkmap", loadkmap_main, _BB_DIR_SBIN},
178 {"logger", logger_main, _BB_DIR_USR_BIN},
181 {"logname", logname_main, _BB_DIR_USR_BIN},
184 {"ls", ls_main, _BB_DIR_BIN},
187 {"lsmod", lsmod_main, _BB_DIR_SBIN},
190 {"makedevs", makedevs_main, _BB_DIR_SBIN},
193 {"md5sum", md5sum_main, _BB_DIR_USR_BIN},
196 {"mkdir", mkdir_main, _BB_DIR_BIN},
199 {"mkfifo", mkfifo_main, _BB_DIR_USR_BIN},
202 {"mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN},
205 {"mknod", mknod_main, _BB_DIR_BIN},
208 {"mkswap", mkswap_main, _BB_DIR_SBIN},
211 {"mktemp", mktemp_main, _BB_DIR_BIN},
214 {"nc", nc_main, _BB_DIR_USR_BIN},
217 {"more", more_main, _BB_DIR_BIN},
220 {"mount", mount_main, _BB_DIR_BIN},
223 {"mt", mt_main, _BB_DIR_BIN},
226 {"mv", cp_mv_main, _BB_DIR_BIN},
229 {"nslookup", nslookup_main, _BB_DIR_USR_BIN},
232 {"ping", ping_main, _BB_DIR_BIN},
235 {"poweroff", poweroff_main, _BB_DIR_SBIN},
238 {"printf", printf_main, _BB_DIR_USR_BIN},
241 {"ps", ps_main, _BB_DIR_BIN},
244 {"pwd", pwd_main, _BB_DIR_BIN},
247 {"reboot", reboot_main, _BB_DIR_SBIN},
250 {"rm", rm_main, _BB_DIR_BIN},
253 {"rmdir", rmdir_main, _BB_DIR_BIN},
256 {"rmmod", rmmod_main, _BB_DIR_SBIN},
259 {"sed", sed_main, _BB_DIR_BIN},
261 #ifdef BB_SETKEYCODES
262 {"setkeycodes", setkeycodes_main, _BB_DIR_USR_BIN},
265 {"sfdisk", sfdisk_main, _BB_DIR_SBIN},
268 {"sh", shell_main, _BB_DIR_BIN},
271 {"sleep", sleep_main, _BB_DIR_BIN},
274 {"sort", sort_main, _BB_DIR_BIN},
277 {"sync", sync_main, _BB_DIR_BIN},
280 {"syslogd", syslogd_main, _BB_DIR_SBIN},
283 {"swapon", swap_on_off_main, _BB_DIR_SBIN},
286 {"swapoff", swap_on_off_main, _BB_DIR_SBIN},
289 {"tail", tail_main, _BB_DIR_USR_BIN},
292 {"tar", tar_main, _BB_DIR_BIN},
295 {"telnet", telnet_main, _BB_DIR_USR_BIN},
298 {"test", test_main, _BB_DIR_USR_BIN},
301 {"tee", tee_main, _BB_DIR_BIN},
304 {"touch", touch_main, _BB_DIR_USR_BIN},
307 {"tr", tr_main, _BB_DIR_USR_BIN},
310 {"true", true_main, _BB_DIR_BIN},
313 {"tty", tty_main, _BB_DIR_USR_BIN},
316 {"umount", umount_main, _BB_DIR_BIN},
319 {"uname", uname_main, _BB_DIR_BIN},
322 {"uniq", uniq_main, _BB_DIR_USR_BIN},
325 {"update", update_main, _BB_DIR_SBIN},
328 {"uptime", uptime_main, _BB_DIR_USR_BIN},
331 {"uuencode", uuencode_main, _BB_DIR_USR_BIN},
334 {"uudecode", uudecode_main, _BB_DIR_USR_BIN},
337 {"usleep", usleep_main, _BB_DIR_BIN},
340 {"wc", wc_main, _BB_DIR_USR_BIN},
343 {"which", which_main, _BB_DIR_USR_BIN},
346 {"whoami", whoami_main, _BB_DIR_USR_BIN},
349 {"yes", yes_main, _BB_DIR_USR_BIN},
352 {"zcat", gunzip_main, _BB_DIR_BIN},
355 {"[", test_main, _BB_DIR_USR_BIN},
361 #ifdef BB_FEATURE_INSTALLER
364 * this should be consistent w/ the enum, internal.h::Location,
367 static char* install_dir[] = {
376 /* abstract link() */
377 typedef int (*__link_f)(const char *, const char *);
379 /* create (sym)links for each applet */
380 int install_links(const char *busybox, int use_symbolic_links)
382 __link_f Link = link;
388 if (use_symbolic_links) Link = symlink;
390 for (i = 0; applets[i].name != NULL; i++) {
394 install_dir[applets[i].location],
398 rc |= Link(busybox, command);
403 fprintf(stderr,"busybox : %s : %s\n", command, strerror(errno));
411 int uninstall_links() ?
413 #endif /* BB_FEATURE_INSTALLER */
416 int main(int argc, char **argv)
420 const struct BB_applet *a = applets;
422 #ifdef BB_FEATURE_INSTALLER
424 * This style of argument parsing doesn't scale well
425 * in the event that busybox starts wanting more --options.
426 * If someone has a cleaner approach, by all means implement it.
428 if (argc > 1 && (strcmp(argv[1], "--install") == 0)) {
429 int use_symbolic_links = 0;
431 /* to use symlinks, or not to use symlinks... */
433 if ((strcmp(argv[2], "-s") == 0)) {
434 use_symbolic_links = 1;
439 * I need a clever unix trick that'll tell
440 * me where to find the currently running
443 return install_links("/bin/busybox", use_symbolic_links);
445 #endif /* BB_FEATURE_INSTALLER */
447 for (s = name = argv[0]; *s != '\0';) {
454 while (a->name != 0) {
455 if (strcmp(name, a->name) == 0) {
456 exit(((*(a->main)) (argc, argv)));
460 return(busybox_main(argc, argv));
464 int busybox_main(int argc, char **argv)
471 if (been_there_done_that == 1 || argc < 1) {
472 const struct BB_applet *a = applets;
474 fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n\n"
475 "Usage: busybox [function] [arguments]...\n"
476 " or: [function] [arguments]...\n\n"
477 "\tBusyBox is a multi-call binary that combines many common Unix\n"
478 "\tutilities into a single executable. Most people will create a\n"
479 "\tlink to busybox for each function they wish to use, and BusyBox\n"
480 "\twill act like whatever it was invoked as.\n"
481 "\nCurrently defined functions:\n", BB_VER, BB_BT);
483 while (a->name != 0) {
485 fprintf(stderr, "%s%s", ((col == 0) ? "\t" : ", "),
487 if (col > 60 && a->name != 0) {
488 fprintf(stderr, ",\n");
492 fprintf(stderr, "\n\n");
495 /* If we've already been here once, exit now */
496 been_there_done_that = 1;
497 return (main(argc, argv));
502 c-file-style: "linux"