diff options
Diffstat (limited to 'busybox.c')
| -rw-r--r-- | busybox.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/busybox.c b/busybox.c new file mode 100644 index 0000000..b7b2b60 --- /dev/null +++ b/busybox.c @@ -0,0 +1,230 @@ +#include "internal.h" +#include <stdio.h> +#include <string.h> +#include <errno.h> + +static int been_there_done_that = 0; + +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_more_main}, +#endif +#ifdef BB_CHGRP //bin + {"chgrp", chgrp_main}, +#endif +#ifdef BB_CHMOD //bin + {"chmod", chmod_main}, +#endif +#ifdef BB_CHOWN //bin + {"chown", chown_main}, +#endif +#ifdef BB_CHROOT //sbin + {"chroot", chroot_main}, +#endif +#ifdef BB_CLEAR //usr/bin + {"clear", clear_main}, +#endif +#ifdef BB_CP //bin + {"cp", dyadic_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_DUTMP //usr/sbin + {"dutmp", cat_more_main}, +#endif +#ifdef BB_FALSE //bin + {"false", false_main}, +#endif +#ifdef BB_FDFLUSH //bin + {"fdflush", monadic_main}, +#endif +#ifdef BB_FIND //usr/bin + {"find", find_main}, +#endif +#ifdef BB_GREP //bin + {"grep", grep_main}, +#endif +#ifdef BB_HALT //sbin + {"halt", halt_main}, +#endif +#ifdef BB_INIT //sbin + {"init", 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", dyadic_main}, +#endif +#ifdef BB_LOADKMAP //sbin + {"loadkmap", loadkmap_main}, +#endif +#ifdef BB_LOSETUP //sbin + {"losetup", losetup_main}, +#endif +#ifdef BB_LS //bin + {"ls", ls_main}, +#endif +#ifdef BB_MAKEDEVS //sbin + {"makedevs", makedevs_main}, +#endif +#ifdef BB_MATH //usr/bin + {"math", math_main}, +#endif +#ifdef BB_MKDIR //bin + {"mkdir", monadic_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", cat_more_main}, +#endif +#ifdef BB_MOUNT //bin + {"mount", mount_main}, +#endif +#ifdef BB_MT //bin + {"mt", mt_main}, +#endif +#ifdef BB_MV //bin + {"mv", dyadic_main}, +#endif +#ifdef BB_PRINTF //usr/bin + {"printf", printf_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", monadic_main}, +#endif +#ifdef BB_SLEEP //bin + {"sleep", sleep_main}, +#endif +#ifdef BB_TAR //bin + {"tar", tar_main}, +#endif +#ifdef BB_SWAPOFF //sbin + {"swapoff", monadic_main}, +#endif +#ifdef BB_SWAPON //sbin + {"swapon", monadic_main}, +#endif +#ifdef BB_SYNC //bin + {"sync", sync_main}, +#endif +#ifdef BB_TOUCH //usr/bin + {"touch", monadic_main}, +#endif +#ifdef BB_TRUE //bin + {"true", true_main}, +#endif +#ifdef BB_UMOUNT //bin + {"umount", umount_main}, +#endif +#ifdef BB_UPDATE //sbin + {"update", update_main}, +#endif +#ifdef BB_ZCAT //bin + {"zcat", zcat_main}, + {"gunzip", zcat_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++; + } + return (busybox_main(argc, argv)); +} + + +int busybox_main(int argc, char **argv) +{ + argc--; + argv++; + + /* If we've already been here once, exit now */ + if (been_there_done_that == 1) + return -1; + been_there_done_that = 1; + + if (argc < 1) { + const struct Applet *a = applets; + fprintf(stderr, "BusyBox v%s (%s) multi-call binary -- GPL2\n", + BB_VER, BB_BT); + fprintf(stderr, "Usage: busybox [function] [arguments]...\n"); + fprintf(stderr, + "\n\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"); + + if (a->name != 0) { + fprintf(stderr, "%s", a->name); + a++; + } + while (a->name != 0) { + fprintf(stderr, ", %s", a->name); + a++; + } + fprintf(stderr, "\n\n"); + exit(-1); + } else + return (main(argc, argv)); +} |