| #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_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_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)); |
| } |
| } |