diff options
Diffstat (limited to 'busybox.c')
| -rw-r--r-- | busybox.c | 456 |
1 files changed, 235 insertions, 221 deletions
@@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ #include "internal.h" #include <stdio.h> #include <string.h> @@ -16,329 +17,342 @@ static int been_there_done_that = 0; * 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 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}, +#ifdef BB_BUSYBOX //bin + {"busybox", busybox_main}, +#endif +#ifdef BB_BLOCK_DEVICE //sbin + {"block_device", block_device_main}, #endif -#ifdef BB_BLOCK_DEVICE //sbin - {"block_device", block_device_main}, +#ifdef BB_CAT //bin + {"cat", cat_main}, #endif -#ifdef BB_CAT //bin - {"cat", cat_main}, +#ifdef BB_CHMOD_CHOWN_CHGRP //bin + {"chmod", chmod_chown_chgrp_main}, + {"chown", chmod_chown_chgrp_main}, + {"chgrp", chmod_chown_chgrp_main}, #endif -#ifdef BB_CHMOD_CHOWN_CHGRP //bin - {"chmod", chmod_chown_chgrp_main}, - {"chown", chmod_chown_chgrp_main}, - {"chgrp", chmod_chown_chgrp_main}, +#ifdef BB_CHROOT //sbin + {"chroot", chroot_main}, #endif -#ifdef BB_CHROOT //sbin - {"chroot", chroot_main}, +#ifdef BB_CLEAR //usr/bin + {"clear", clear_main}, #endif -#ifdef BB_CLEAR //usr/bin - {"clear", clear_main}, +#ifdef BB_CHVT //usr/bin + {"chvt", chvt_main}, #endif -#ifdef BB_CHVT //usr/bin - {"chvt", chvt_main}, +#ifdef BB_CP_MV //bin + {"cp", cp_mv_main}, + {"mv", cp_mv_main}, #endif -#ifdef BB_CP_MV //bin - {"cp", cp_mv_main}, - {"mv", cp_mv_main}, +#ifdef BB_DATE //bin + {"date", date_main}, #endif -#ifdef BB_DATE //bin - {"date", date_main}, +#ifdef BB_DD //bin + {"dd", dd_main}, #endif -#ifdef BB_DD //bin - {"dd", dd_main}, +#ifdef BB_DF //bin + {"df", df_main}, #endif -#ifdef BB_DF //bin - {"df", df_main}, +#ifdef BB_DMESG //bin + {"dmesg", dmesg_main}, #endif -#ifdef BB_DMESG //bin - {"dmesg", dmesg_main}, +#ifdef BB_DU //bin + {"du", du_main}, #endif -#ifdef BB_DU //bin - {"du", du_main}, +#ifdef BB_DUTMP //usr/sbin + {"dutmp", dutmp_main}, #endif -#ifdef BB_DUTMP //usr/sbin - {"dutmp", dutmp_main}, +#ifdef BB_FBSET //usr/sbin + {"fbset", fbset_main}, #endif -#ifdef BB_FBSET //usr/sbin - {"fbset", fbset_main}, +#ifdef BB_FDFLUSH //bin + {"fdflush", fdflush_main}, #endif -#ifdef BB_FDFLUSH //bin - {"fdflush", fdflush_main}, +#ifdef BB_FIND //usr/bin + {"find", find_main}, #endif -#ifdef BB_FIND //usr/bin - {"find", find_main}, +#ifdef BB_FREE //usr/bin + {"free", free_main}, #endif -#ifdef BB_FREE //usr/bin - {"free", free_main}, +#ifdef BB_DEALLOCVT //usr/bin + {"deallocvt", deallocvt_main}, #endif -#ifdef BB_DEALLOCVT //usr/bin - {"deallocvt", deallocvt_main}, +#ifdef BB_FSCK_MINIX //sbin + {"fsck.minix", fsck_minix_main}, #endif -#ifdef BB_FSCK_MINIX //sbin - {"fsck.minix", fsck_minix_main}, +#ifdef BB_MKFS_MINIX //sbin + {"mkfs.minix", mkfs_minix_main}, #endif -#ifdef BB_MKFS_MINIX //sbin - {"mkfs.minix", mkfs_minix_main}, +#ifdef BB_GREP //bin + {"grep", grep_main}, #endif -#ifdef BB_GREP //bin - {"grep", grep_main}, +#ifdef BB_HALT //sbin + {"halt", halt_main}, #endif -#ifdef BB_HALT //sbin - {"halt", halt_main}, +#ifdef BB_HEAD //bin + {"head", head_main}, #endif -#ifdef BB_HEAD //bin - {"head", head_main}, +#ifdef BB_HOSTID //usr/bin + {"hostid", hostid_main}, #endif -#ifdef BB_HOSTID //usr/bin - {"hostid", hostid_main}, +#ifdef BB_HOSTNAME //bin + {"hostname", hostname_main}, #endif -#ifdef BB_HOSTNAME //bin - {"hostname", hostname_main}, +#ifdef BB_INIT //sbin + {"init", init_main}, #endif -#ifdef BB_INIT //sbin - {"init", init_main}, +#ifdef BB_INSMOD //sbin + {"insmod", insmod_main}, #endif -#ifdef BB_INSMOD //sbin - {"insmod", insmod_main}, +#ifdef BB_FEATURE_LINUXRC // + {"linuxrc", init_main}, #endif -#ifdef BB_FEATURE_LINUXRC // - {"linuxrc", init_main}, +#ifdef BB_KILL //bin + {"kill", kill_main}, #endif -#ifdef BB_KILL //bin - {"kill", kill_main}, +#ifdef BB_LENGTH //usr/bin + {"length", length_main}, #endif -#ifdef BB_LENGTH //usr/bin - {"length", length_main}, +#ifdef BB_LN //bin + {"ln", ln_main}, #endif -#ifdef BB_LN //bin - {"ln", ln_main}, +#ifdef BB_LOADACM //usr/bin + {"loadacm", loadacm_main}, #endif -#ifdef BB_LOADACM //usr/bin - {"loadacm", loadacm_main}, -#endif -#ifdef BB_LOADFONT //usr/bin - {"loadfont", loadfont_main}, +#ifdef BB_LOADFONT //usr/bin + {"loadfont", loadfont_main}, #endif -#ifdef BB_LOADKMAP //sbin - {"loadkmap", loadkmap_main}, +#ifdef BB_LOADKMAP //sbin + {"loadkmap", loadkmap_main}, #endif -#ifdef BB_LS //bin - {"ls", ls_main}, +#ifdef BB_LS //bin + {"ls", ls_main}, #endif -#ifdef BB_LSMOD //sbin - {"lsmod", lsmod_main}, +#ifdef BB_LSMOD //sbin + {"lsmod", lsmod_main}, #endif -#ifdef BB_MAKEDEVS //sbin - {"makedevs", makedevs_main}, +#ifdef BB_MAKEDEVS //sbin + {"makedevs", makedevs_main}, #endif -#ifdef BB_MATH //usr/bin - {"math", math_main}, +#ifdef BB_MATH //usr/bin + {"math", math_main}, #endif -#ifdef BB_MKDIR //bin - {"mkdir", mkdir_main}, +#ifdef BB_MKDIR //bin + {"mkdir", mkdir_main}, #endif -#ifdef BB_MKFIFO //usr/bin - {"mkfifo", mkfifo_main}, +#ifdef BB_MKFIFO //usr/bin + {"mkfifo", mkfifo_main}, #endif -#ifdef BB_MKNOD //bin - {"mknod", mknod_main}, +#ifdef BB_MKNOD //bin + {"mknod", mknod_main}, #endif -#ifdef BB_MKSWAP //sbin - {"mkswap", mkswap_main}, +#ifdef BB_MKSWAP //sbin + {"mkswap", mkswap_main}, #endif -#ifdef BB_MNC //usr/bin - {"mnc", mnc_main}, +#ifdef BB_MNC //usr/bin + {"mnc", mnc_main}, #endif -#ifdef BB_MORE //bin - {"more", more_main}, +#ifdef BB_MORE //bin + {"more", more_main}, #endif -#ifdef BB_MOUNT //bin - {"mount", mount_main}, +#ifdef BB_MOUNT //bin + {"mount", mount_main}, #endif -#ifdef BB_MT //bin - {"mt", mt_main}, +#ifdef BB_MT //bin + {"mt", mt_main}, #endif -#ifdef BB_NSLOOKUP //usr/bin - {"nslookup", nslookup_main}, +#ifdef BB_NSLOOKUP //usr/bin + {"nslookup", nslookup_main}, #endif -#ifdef BB_PING //bin - {"ping", ping_main}, +#ifdef BB_PING //bin + {"ping", ping_main}, #endif -#ifdef BB_POWEROFF //sbin - {"poweroff", poweroff_main}, +#ifdef BB_POWEROFF //sbin + {"poweroff", poweroff_main}, #endif -#ifdef BB_PRINTF //usr/bin - {"printf", printf_main}, +#ifdef BB_PRINTF //usr/bin + {"printf", printf_main}, #endif -#ifdef BB_PS //bin - {"ps", ps_main}, +#ifdef BB_PS //bin + {"ps", ps_main}, #endif -#ifdef BB_PWD //bin - {"pwd", pwd_main}, +#ifdef BB_PWD //bin + {"pwd", pwd_main}, #endif -#ifdef BB_REBOOT //sbin - {"reboot", reboot_main}, +#ifdef BB_REBOOT //sbin + {"reboot", reboot_main}, #endif -#ifdef BB_RM //bin - {"rm", rm_main}, +#ifdef BB_RM //bin + {"rm", rm_main}, #endif -#ifdef BB_RMDIR //bin - {"rmdir", rmdir_main}, +#ifdef BB_RMDIR //bin + {"rmdir", rmdir_main}, #endif -#ifdef BB_RMMOD //sbin - {"rmmod", rmmod_main}, +#ifdef BB_RMMOD //sbin + {"rmmod", rmmod_main}, #endif -#ifdef BB_SFDISK //sbin - {"fdisk", sfdisk_main}, - {"sfdisk", sfdisk_main}, +#ifdef BB_SFDISK //sbin + {"fdisk", sfdisk_main}, + {"sfdisk", sfdisk_main}, #endif -#ifdef BB_SED //bin - {"sed", sed_main}, +#ifdef BB_SED //bin + {"sed", sed_main}, #endif -#ifdef BB_SLEEP //bin - {"sleep", sleep_main}, +#ifdef BB_SLEEP //bin + {"sleep", sleep_main}, #endif -#ifdef BB_SORT //bin - {"sort", sort_main}, +#ifdef BB_SORT //bin + {"sort", sort_main}, #endif -#ifdef BB_SYNC //bin - {"sync", sync_main}, +#ifdef BB_SYNC //bin + {"sync", sync_main}, #endif -#ifdef BB_SYSLOGD //sbin - {"syslogd", syslogd_main}, +#ifdef BB_SYSLOGD //sbin + {"syslogd", syslogd_main}, #endif -#ifdef BB_LOGGER //usr/bin - {"logger", logger_main}, +#ifdef BB_LOGGER //usr/bin + {"logger", logger_main}, #endif -#ifdef BB_LOGNAME //usr/bin - {"logname", logname_main}, +#ifdef BB_LOGNAME //usr/bin + {"logname", logname_main}, #endif -#ifdef BB_SWAPONOFF //sbin - {"swapon", swap_on_off_main}, - {"swapoff", swap_on_off_main}, +#ifdef BB_SWAPONOFF //sbin + {"swapon", swap_on_off_main}, + {"swapoff", swap_on_off_main}, #endif -#ifdef BB_TAIL //usr/bin - {"tail", tail_main}, +#ifdef BB_TAIL //usr/bin + {"tail", tail_main}, #endif -#ifdef BB_TAR //bin - {"tar", tar_main}, +#ifdef BB_TAR //bin + {"tar", tar_main}, #endif -#ifdef BB_TEE //bin - {"tee", tee_main}, +#ifdef BB_TEE //bin + {"tee", tee_main}, #endif -#ifdef BB_TOUCH //usr/bin - {"touch", touch_main}, +#ifdef BB_TOUCH //usr/bin + {"touch", touch_main}, #endif -#ifdef BB_TRUE_FALSE //bin - {"true", true_main}, - {"false", false_main}, +#ifdef BB_TRUE_FALSE //bin + {"true", true_main}, + {"false", false_main}, #endif -#ifdef BB_TTY //usr/bin - {"tty", tty_main}, +#ifdef BB_TTY //usr/bin + {"tty", tty_main}, #endif -#ifdef BB_UNAME //bin - {"uname", uname_main}, +#ifdef BB_UNAME //bin + {"uname", uname_main}, #endif -#ifdef BB_UMOUNT //bin - {"umount", umount_main}, +#ifdef BB_UMOUNT //bin + {"umount", umount_main}, #endif -#ifdef BB_UNIQ //bin - {"uniq", uniq_main}, +#ifdef BB_UNIQ //bin + {"uniq", uniq_main}, #endif -#ifdef BB_UPDATE //sbin - {"update", update_main}, +#ifdef BB_UPDATE //sbin + {"update", update_main}, #endif -#ifdef BB_WC //usr/bin - {"wc", wc_main}, +#ifdef BB_WC //usr/bin + {"wc", wc_main}, #endif -#ifdef BB_WHOAMI //usr/bin - {"whoami", whoami_main}, +#ifdef BB_WHOAMI //usr/bin + {"whoami", whoami_main}, #endif -#ifdef BB_YES //usr/bin - {"yes", yes_main}, +#ifdef BB_YES //usr/bin + {"yes", yes_main}, #endif -#ifdef BB_GUNZIP //bin - {"zcat", gunzip_main}, - {"gunzip", gunzip_main}, +#ifdef BB_GUNZIP //bin + {"zcat", gunzip_main}, + {"gunzip", gunzip_main}, #endif -#ifdef BB_GZIP //bin - {"gzip", gzip_main}, +#ifdef BB_GZIP //bin + {"gzip", gzip_main}, #endif - {0} + {0} }; int main(int argc, char **argv) { - char *s = argv[0]; - char *name = argv[0]; - const struct Applet *a = applets; + char *s = argv[0]; + char *name = argv[0]; + const struct Applet *a = applets; - while (*s != '\0') { - if (*s++ == '/') - name = s; - } + while (*s != '\0') { + if (*s++ == '/') + name = s; + } - while (a->name != 0) { - if (strcmp(name, a->name) == 0) { - int status; + 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); + status = ((*(a->main)) (argc, argv)); + if (status < 0) { + fprintf(stderr, "%s: %s\n", a->name, strerror(errno)); + } + fprintf(stderr, "\n"); + exit(status); + } + a++; } - a++; - } - exit (busybox_main(argc, argv)); + exit(busybox_main(argc, argv)); } int busybox_main(int argc, char **argv) { - int col=0; - argc--; - argv++; + int col = 0; - 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"); + argc--; + argv++; - 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; - } + 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)); } - 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)); - } } |