| 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * Busybox main internal header file
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| 4 | *
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| 5 | * Licensed under GPLv2 or later, see file LICENSE in this source tree.
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| 6 | */
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| 7 | #ifndef BUSYBOX_H
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| 8 | #define BUSYBOX_H 1
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| 9 |
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| 10 | #include "libbb.h"
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| 11 |
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| 12 | PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
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| 13 |
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| 14 | /* order matters: used as index into "install_dir[]" in appletlib.c */
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| 15 | typedef enum bb_install_loc_t {
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| 16 | _BB_DIR_ROOT = 0,
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| 17 | _BB_DIR_BIN,
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| 18 | _BB_DIR_SBIN,
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| 19 | #if ENABLE_INSTALL_NO_USR
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| 20 | _BB_DIR_USR_BIN = _BB_DIR_BIN,
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| 21 | _BB_DIR_USR_SBIN = _BB_DIR_SBIN,
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| 22 | #else
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| 23 | _BB_DIR_USR_BIN,
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| 24 | _BB_DIR_USR_SBIN,
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| 25 | #endif
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| 26 | } bb_install_loc_t;
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| 27 |
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| 28 | typedef enum bb_suid_t {
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| 29 | _BB_SUID_DROP = 0,
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| 30 | _BB_SUID_MAYBE,
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| 31 | _BB_SUID_REQUIRE
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| 32 | } bb_suid_t;
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| 33 |
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| 34 |
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| 35 | /* Defined in appletlib.c (by including generated applet_tables.h) */
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| 36 | /* Keep in sync with applets/applet_tables.c! */
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| 37 | extern const char applet_names[];
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| 38 | extern int (*const applet_main[])(int argc, char **argv);
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| 39 | extern const uint16_t applet_nameofs[];
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| 40 | extern const uint8_t applet_install_loc[];
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| 41 |
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| 42 | #if ENABLE_FEATURE_SUID || ENABLE_FEATURE_PREFER_APPLETS
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| 43 | # define APPLET_NAME(i) (applet_names + (applet_nameofs[i] & 0x0fff))
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| 44 | #else
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| 45 | # define APPLET_NAME(i) (applet_names + applet_nameofs[i])
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| 46 | #endif
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| 47 |
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| 48 | #if ENABLE_FEATURE_PREFER_APPLETS
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| 49 | # define APPLET_IS_NOFORK(i) (applet_nameofs[i] & (1 << 12))
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| 50 | # define APPLET_IS_NOEXEC(i) (applet_nameofs[i] & (1 << 13))
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| 51 | #else
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| 52 | # define APPLET_IS_NOFORK(i) 0
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| 53 | # define APPLET_IS_NOEXEC(i) 0
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| 54 | #endif
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| 55 |
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| 56 | #if ENABLE_FEATURE_SUID
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| 57 | # define APPLET_SUID(i) ((applet_nameofs[i] >> 14) & 0x3)
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| 58 | #endif
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| 59 |
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| 60 | #if ENABLE_FEATURE_INSTALLER
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| 61 | #define APPLET_INSTALL_LOC(i) ({ \
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| 62 | unsigned v = (i); \
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| 63 | if (v & 1) v = applet_install_loc[v/2] >> 4; \
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| 64 | else v = applet_install_loc[v/2] & 0xf; \
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| 65 | v; })
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| 66 | #endif
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| 67 |
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| 68 |
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| 69 | /* Length of these names has effect on size of libbusybox
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| 70 | * and "individual" binaries. Keep them short.
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| 71 | */
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| 72 | #if ENABLE_BUILD_LIBBUSYBOX
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| 73 | #if ENABLE_FEATURE_SHARED_BUSYBOX
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| 74 | int lbb_main(char **argv) EXTERNALLY_VISIBLE;
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| 75 | #else
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| 76 | int lbb_main(char **argv);
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| 77 | #endif
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| 78 | #endif
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| 79 |
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| 80 | POP_SAVED_FUNCTION_VISIBILITY
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| 81 |
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| 82 | #endif
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