549 lines
13 KiB
C
549 lines
13 KiB
C
/* vi: set sw=4 ts=4: */
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#include "busybox.h"
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#define bb_need_full_version
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#define BB_DECLARE_EXTERN
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#include "messages.c"
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static int been_there_done_that = 0;
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const struct BB_applet applets[] = {
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#ifdef BB_AR
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{"ar", ar_main, _BB_DIR_USR_BIN, ar_usage},
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#endif
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#ifdef BB_BASENAME
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{"basename", basename_main, _BB_DIR_USR_BIN, basename_usage},
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#endif
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{"busybox", busybox_main, _BB_DIR_BIN, NULL},
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#ifdef BB_CAT
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{"cat", cat_main, _BB_DIR_BIN, cat_usage},
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#endif
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#ifdef BB_CHMOD_CHOWN_CHGRP
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{"chgrp", chmod_chown_chgrp_main, _BB_DIR_BIN, chgrp_usage},
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#endif
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#ifdef BB_CHMOD_CHOWN_CHGRP
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{"chmod", chmod_chown_chgrp_main, _BB_DIR_BIN, chmod_usage},
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#endif
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#ifdef BB_CHMOD_CHOWN_CHGRP
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{"chown", chmod_chown_chgrp_main, _BB_DIR_BIN, chown_usage},
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#endif
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#ifdef BB_CHROOT
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{"chroot", chroot_main, _BB_DIR_USR_SBIN, chroot_usage},
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#endif
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#ifdef BB_CLEAR
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{"clear", clear_main, _BB_DIR_USR_BIN, clear_usage},
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#endif
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#ifdef BB_CHVT
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{"chvt", chvt_main, _BB_DIR_USR_BIN, chvt_usage},
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#endif
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#ifdef BB_CMP
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{"cmp", cmp_main, _BB_DIR_USR_BIN, cmp_usage},
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#endif
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#ifdef BB_CP_MV
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{"cp", cp_mv_main, _BB_DIR_BIN, cp_usage},
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#endif
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#ifdef BB_CUT
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{"cut", cut_main, _BB_DIR_USR_BIN, cut_usage},
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#endif
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#ifdef BB_DATE
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{"date", date_main, _BB_DIR_BIN, date_usage},
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#endif
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#ifdef BB_DC
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{"dc", dc_main, _BB_DIR_USR_BIN, dc_usage},
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#endif
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#ifdef BB_DD
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{"dd", dd_main, _BB_DIR_BIN, dd_usage},
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#endif
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#ifdef BB_DF
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{"df", df_main, _BB_DIR_BIN, df_usage},
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#endif
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#ifdef BB_DIRNAME
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{"dirname", dirname_main, _BB_DIR_USR_BIN, dirname_usage},
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#endif
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#ifdef BB_DMESG
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{"dmesg", dmesg_main, _BB_DIR_BIN, dmesg_usage},
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#endif
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#ifdef BB_DOS2UNIX
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{"dos2unix", dos2unix_main, _BB_DIR_USR_BIN, dos2unix_usage},
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#endif
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#ifdef BB_DU
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{"du", du_main, _BB_DIR_USR_BIN, du_usage},
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#endif
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#ifdef BB_DUMPKMAP
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{"dumpkmap", dumpkmap_main, _BB_DIR_BIN, dumpkmap_usage},
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#endif
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#ifdef BB_DUTMP
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{"dutmp", dutmp_main, _BB_DIR_USR_SBIN, dutmp_usage},
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#endif
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#ifdef BB_ECHO
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{"echo", echo_main, _BB_DIR_BIN, echo_usage},
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#endif
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#ifdef BB_EXPR
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{"expr", expr_main, _BB_DIR_USR_BIN, expr_usage},
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#endif
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#ifdef BB_TRUE_FALSE
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{"false", false_main, _BB_DIR_BIN, false_usage},
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#endif
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#ifdef BB_FBSET
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{"fbset", fbset_main, _BB_DIR_USR_SBIN, NULL},
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#endif
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#ifdef BB_FDFLUSH
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{"fdflush", fdflush_main, _BB_DIR_BIN, fdflush_usage},
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#endif
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#ifdef BB_FIND
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{"find", find_main, _BB_DIR_USR_BIN, find_usage},
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#endif
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#ifdef BB_FREE
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{"free", free_main, _BB_DIR_USR_BIN, free_usage},
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#endif
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#ifdef BB_FREERAMDISK
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{"freeramdisk", freeramdisk_main, _BB_DIR_SBIN, freeramdisk_usage},
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#endif
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#ifdef BB_DEALLOCVT
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{"deallocvt", deallocvt_main, _BB_DIR_USR_BIN, deallocvt_usage},
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#endif
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#ifdef BB_FSCK_MINIX
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{"fsck.minix", fsck_minix_main, _BB_DIR_SBIN, fsck_minix_usage},
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#endif
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#ifdef BB_GETOPT
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{"getopt", getopt_main, _BB_DIR_BIN},
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#endif
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#ifdef BB_GREP
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{"grep", grep_main, _BB_DIR_BIN, grep_usage},
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#endif
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#ifdef BB_GUNZIP
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{"gunzip", gunzip_main, _BB_DIR_BIN, gunzip_usage},
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#endif
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#ifdef BB_GZIP
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{"gzip", gzip_main, _BB_DIR_BIN, gzip_usage},
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#endif
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#ifdef BB_HALT
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{"halt", halt_main, _BB_DIR_SBIN, halt_usage},
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#endif
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#ifdef BB_HEAD
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{"head", head_main, _BB_DIR_USR_BIN, head_usage},
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#endif
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#ifdef BB_HOSTID
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{"hostid", hostid_main, _BB_DIR_USR_BIN, hostid_usage},
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#endif
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#ifdef BB_HOSTNAME
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{"hostname", hostname_main, _BB_DIR_BIN, hostname_usage},
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#endif
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#ifdef BB_ID
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{"id", id_main, _BB_DIR_USR_BIN, id_usage},
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#endif
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#ifdef BB_INIT
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{"init", init_main, _BB_DIR_SBIN, NULL},
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#endif
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#ifdef BB_INSMOD
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{"insmod", insmod_main, _BB_DIR_SBIN, insmod_usage},
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#endif
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#ifdef BB_KILL
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{"kill", kill_main, _BB_DIR_BIN, kill_usage},
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#endif
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#ifdef BB_KILLALL
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{"killall", kill_main, _BB_DIR_USR_BIN, kill_usage},
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#endif
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#ifdef BB_LENGTH
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{"length", length_main, _BB_DIR_USR_BIN, length_usage},
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#endif
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#ifdef BB_LINUXRC
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{"linuxrc", init_main, _BB_DIR_ROOT, NULL},
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#endif
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#ifdef BB_LN
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{"ln", ln_main, _BB_DIR_BIN, ln_usage},
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#endif
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#ifdef BB_LOADACM
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{"loadacm", loadacm_main, _BB_DIR_USR_BIN, loadacm_usage},
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#endif
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#ifdef BB_LOADFONT
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{"loadfont", loadfont_main, _BB_DIR_USR_BIN, loadfont_usage},
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#endif
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#ifdef BB_LOADKMAP
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{"loadkmap", loadkmap_main, _BB_DIR_SBIN, loadkmap_usage},
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#endif
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#ifdef BB_LOGGER
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{"logger", logger_main, _BB_DIR_USR_BIN, logger_usage},
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#endif
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#ifdef BB_LOGNAME
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{"logname", logname_main, _BB_DIR_USR_BIN, logname_usage},
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#endif
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#ifdef BB_LS
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{"ls", ls_main, _BB_DIR_BIN, ls_usage},
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#endif
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#ifdef BB_LSMOD
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{"lsmod", lsmod_main, _BB_DIR_SBIN, lsmod_usage},
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#endif
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#ifdef BB_MAKEDEVS
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{"makedevs", makedevs_main, _BB_DIR_SBIN, makedevs_usage},
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#endif
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#ifdef BB_MD5SUM
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{"md5sum", md5sum_main, _BB_DIR_USR_BIN, md5sum_usage},
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#endif
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#ifdef BB_MKDIR
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{"mkdir", mkdir_main, _BB_DIR_BIN, mkdir_usage},
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#endif
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#ifdef BB_MKFIFO
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{"mkfifo", mkfifo_main, _BB_DIR_USR_BIN, mkfifo_usage},
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#endif
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#ifdef BB_MKFS_MINIX
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{"mkfs.minix", mkfs_minix_main, _BB_DIR_SBIN, mkfs_minix_usage},
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#endif
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#ifdef BB_MKNOD
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{"mknod", mknod_main, _BB_DIR_BIN, mknod_usage},
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#endif
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#ifdef BB_MKSWAP
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{"mkswap", mkswap_main, _BB_DIR_SBIN, mkswap_usage},
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#endif
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#ifdef BB_MKTEMP
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{"mktemp", mktemp_main, _BB_DIR_BIN, mktemp_usage},
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#endif
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#ifdef BB_NC
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{"nc", nc_main, _BB_DIR_USR_BIN, nc_usage},
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#endif
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#ifdef BB_MORE
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{"more", more_main, _BB_DIR_BIN, more_usage},
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#endif
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#ifdef BB_MOUNT
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{"mount", mount_main, _BB_DIR_BIN, mount_usage},
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#endif
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#ifdef BB_MT
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{"mt", mt_main, _BB_DIR_BIN, mt_usage},
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#endif
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#ifdef BB_CP_MV
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{"mv", cp_mv_main, _BB_DIR_BIN, mv_usage},
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#endif
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#ifdef BB_NSLOOKUP
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{"nslookup", nslookup_main, _BB_DIR_USR_BIN, nslookup_usage},
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#endif
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#ifdef BB_PING
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{"ping", ping_main, _BB_DIR_BIN, ping_usage},
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#endif
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#ifdef BB_POWEROFF
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{"poweroff", poweroff_main, _BB_DIR_SBIN, poweroff_usage},
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#endif
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#ifdef BB_PRINTF
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{"printf", printf_main, _BB_DIR_USR_BIN, printf_usage},
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#endif
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#ifdef BB_PS
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{"ps", ps_main, _BB_DIR_BIN, ps_usage},
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#endif
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#ifdef BB_PWD
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{"pwd", pwd_main, _BB_DIR_BIN, pwd_usage},
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#endif
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#ifdef BB_RDATE
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{"rdate", rdate_main, _BB_DIR_USR_BIN, rdate_usage},
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#endif
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#ifdef BB_READLINK
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{"readlink", readlink_main, _BB_DIR_USR_BIN, readlink_usage},
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#endif
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#ifdef BB_REBOOT
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{"reboot", reboot_main, _BB_DIR_SBIN, reboot_usage},
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#endif
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#ifdef BB_RENICE
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{"renice", renice_main, _BB_DIR_USR_BIN},
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#endif
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#ifdef BB_RESET
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{"reset", reset_main, _BB_DIR_USR_BIN, reset_usage},
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#endif
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#ifdef BB_RM
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{"rm", rm_main, _BB_DIR_BIN, rm_usage},
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#endif
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#ifdef BB_RMDIR
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{"rmdir", rmdir_main, _BB_DIR_BIN, rmdir_usage},
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#endif
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#ifdef BB_RMMOD
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{"rmmod", rmmod_main, _BB_DIR_SBIN, rmmod_usage},
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#endif
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#ifdef BB_SED
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{"sed", sed_main, _BB_DIR_BIN, sed_usage},
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#endif
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#ifdef BB_SETKEYCODES
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{"setkeycodes", setkeycodes_main, _BB_DIR_USR_BIN, setkeycodes_usage},
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#endif
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#ifdef BB_SH
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{"sh", shell_main, _BB_DIR_BIN, shell_usage},
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#endif
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#ifdef BB_SLEEP
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{"sleep", sleep_main, _BB_DIR_BIN, sleep_usage},
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#endif
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#ifdef BB_SORT
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{"sort", sort_main, _BB_DIR_USR_BIN, sort_usage},
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#endif
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#ifdef BB_SYNC
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{"sync", sync_main, _BB_DIR_BIN, sync_usage},
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#endif
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#ifdef BB_SYSLOGD
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{"syslogd", syslogd_main, _BB_DIR_SBIN, syslogd_usage},
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#endif
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#ifdef BB_SWAPONOFF
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{"swapon", swap_on_off_main, _BB_DIR_SBIN, swapon_usage},
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#endif
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#ifdef BB_SWAPONOFF
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{"swapoff", swap_on_off_main, _BB_DIR_SBIN, swapoff_usage},
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#endif
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#ifdef BB_TAIL
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{"tail", tail_main, _BB_DIR_USR_BIN, tail_usage},
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#endif
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#ifdef BB_TAR
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{"tar", tar_main, _BB_DIR_BIN, tar_usage},
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#endif
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#ifdef BB_TELNET
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{"telnet", telnet_main, _BB_DIR_USR_BIN, telnet_usage},
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#endif
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#ifdef BB_TEST
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{"test", test_main, _BB_DIR_USR_BIN, test_usage},
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#endif
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#ifdef BB_TEE
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{"tee", tee_main, _BB_DIR_USR_BIN, tee_usage},
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#endif
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#ifdef BB_TOUCH
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{"touch", touch_main, _BB_DIR_BIN, touch_usage},
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#endif
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#ifdef BB_TR
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{"tr", tr_main, _BB_DIR_USR_BIN, tr_usage},
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#endif
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#ifdef BB_TRUE_FALSE
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{"true", true_main, _BB_DIR_BIN, true_usage},
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#endif
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#ifdef BB_TTY
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{"tty", tty_main, _BB_DIR_USR_BIN, tty_usage},
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#endif
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#ifdef BB_UMOUNT
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{"umount", umount_main, _BB_DIR_BIN, umount_usage},
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#endif
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#ifdef BB_UNAME
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{"uname", uname_main, _BB_DIR_BIN, uname_usage},
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#endif
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#ifdef BB_UNIQ
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{"uniq", uniq_main, _BB_DIR_USR_BIN, uniq_usage},
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#endif
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#ifdef BB_UNIX2DOS
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{"unix2dos", unix2dos_main, _BB_DIR_USR_BIN, unix2dos_usage},
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#endif
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#ifdef BB_UNRPM
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{"unrpm", unrpm_main, _BB_DIR_USR_BIN, unrpm_usage},
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#endif
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#ifdef BB_UPDATE
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{"update", update_main, _BB_DIR_SBIN, update_usage},
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#endif
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#ifdef BB_UPTIME
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{"uptime", uptime_main, _BB_DIR_USR_BIN, uptime_usage},
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#endif
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#ifdef BB_UUENCODE
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{"uuencode", uuencode_main, _BB_DIR_USR_BIN, uuencode_usage},
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#endif
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#ifdef BB_UUDECODE
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{"uudecode", uudecode_main, _BB_DIR_USR_BIN, uudecode_usage},
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#endif
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#ifdef BB_USLEEP
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{"usleep", usleep_main, _BB_DIR_BIN, usleep_usage},
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#endif
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#ifdef BB_WC
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{"wc", wc_main, _BB_DIR_USR_BIN, wc_usage},
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#endif
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#ifdef BB_WGET
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{"wget", wget_main, _BB_DIR_USR_BIN, wget_usage},
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#endif
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#ifdef BB_WHICH
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{"which", which_main, _BB_DIR_USR_BIN, which_usage},
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#endif
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#ifdef BB_WHOAMI
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{"whoami", whoami_main, _BB_DIR_USR_BIN, whoami_usage},
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#endif
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#ifdef BB_XARGS
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{"xargs", xargs_main, _BB_DIR_USR_BIN, xargs_usage},
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#endif
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#ifdef BB_YES
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{"yes", yes_main, _BB_DIR_USR_BIN, yes_usage},
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#endif
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#ifdef BB_GUNZIP
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{"zcat", gunzip_main, _BB_DIR_BIN, gunzip_usage},
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#endif
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#ifdef BB_TEST
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{"[", test_main, _BB_DIR_USR_BIN, test_usage},
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#endif
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{0,NULL,0,NULL}
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};
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const char *applet_name;
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#ifdef BB_FEATURE_INSTALLER
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/*
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* directory table
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* this should be consistent w/ the enum, busybox.h::Location,
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* or else...
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*/
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static char* install_dir[] = {
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"/",
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"/bin",
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"/sbin",
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"/usr/bin",
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"/usr/sbin",
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};
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/* abstract link() */
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typedef int (*__link_f)(const char *, const char *);
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/*
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* Where in the filesystem is this busybox?
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* [return]
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* malloc'd string w/ full pathname of busybox's location
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* NULL on failure
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*/
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static char *busybox_fullpath()
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{
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pid_t pid;
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char path[256];
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char proc[256];
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int len;
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pid = getpid();
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sprintf(proc, "/proc/%d/exe", pid);
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len = readlink(proc, path, 256);
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if (len != -1) {
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path[len] = 0;
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} else {
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errorMsg("%s: %s\n", proc, strerror(errno));
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return NULL;
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}
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return strdup(path);
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}
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/* create (sym)links for each applet */
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static void install_links(const char *busybox, int use_symbolic_links)
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{
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__link_f Link = link;
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char command[256];
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int i;
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int rc;
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if (use_symbolic_links) Link = symlink;
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for (i = 0; applets[i].name != NULL; i++) {
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sprintf ( command, "%s/%s",
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install_dir[applets[i].location],
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applets[i].name);
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rc = Link(busybox, command);
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if (rc) {
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errorMsg("%s: %s\n", command, strerror(errno));
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}
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}
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}
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#endif /* BB_FEATURE_INSTALLER */
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int main(int argc, char **argv)
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{
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const char *s;
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const struct BB_applet *a = applets;
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applet_name = "busybox";
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#ifdef BB_FEATURE_INSTALLER
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/*
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* This style of argument parsing doesn't scale well
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* in the event that busybox starts wanting more --options.
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* If someone has a cleaner approach, by all means implement it.
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*/
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if (argc > 1 && (strcmp(argv[1], "--install") == 0)) {
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int use_symbolic_links = 0;
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int rc = 0;
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char *busybox;
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/* to use symlinks, or not to use symlinks... */
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if (argc > 2) {
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if ((strcmp(argv[2], "-s") == 0)) {
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use_symbolic_links = 1;
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}
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}
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/* link */
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busybox = busybox_fullpath();
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if (busybox) {
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install_links(busybox, use_symbolic_links);
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free(busybox);
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} else {
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rc = 1;
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}
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return rc;
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}
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#endif /* BB_FEATURE_INSTALLER */
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for (s = applet_name = argv[0]; *s != '\0';) {
|
|
if (*s++ == '/')
|
|
applet_name = s;
|
|
}
|
|
|
|
*argv = (char*)applet_name;
|
|
|
|
#ifdef BB_SH
|
|
/* Add in a special case hack -- whenever **argv == '-'
|
|
* (i.e. '-su' or '-sh') always invoke the shell */
|
|
if (**argv == '-' && *(*argv+1)!= '-') {
|
|
exit(((*(shell_main)) (argc, argv)));
|
|
}
|
|
#endif
|
|
|
|
while (a->name != 0) {
|
|
if (strcmp(applet_name, a->name) == 0) {
|
|
if (a->usage && argv[1] && strcmp(argv[1], "--help") == 0)
|
|
usage(a->usage);
|
|
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, "%s\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", full_version);
|
|
|
|
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:
|
|
*/
|