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flash_lock, flash_unlock: new applets
By Thierry Reding (thierry.reding AT avionic-design.de) Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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@ -155,8 +155,9 @@ IF_FDISK(APPLET(fdisk, _BB_DIR_SBIN, _BB_SUID_NEVER))
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IF_FEATURE_GREP_FGREP_ALIAS(APPLET_ODDNAME(fgrep, grep, _BB_DIR_BIN, _BB_SUID_NEVER, fgrep))
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IF_FIND(APPLET_NOEXEC(find, find, _BB_DIR_USR_BIN, _BB_SUID_NEVER, find))
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IF_FINDFS(APPLET(findfs, _BB_DIR_SBIN, _BB_SUID_MAYBE))
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//IF_FLASH_ERASEALL(APPLET_ODDNAME(flash_eraseall, flash_eraseall, _BB_DIR_USR_SBIN, _BB_SUID_NEVER, flash_eraseall))
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IF_FLASH_ERASEALL(APPLET(flash_eraseall, _BB_DIR_USR_SBIN, _BB_SUID_NEVER))
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IF_FLASH_LOCK(APPLET_ODDNAME(flash_lock, flash_lock_unlock, _BB_DIR_USR_SBIN, _BB_SUID_NEVER, flash_lock))
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IF_FLASH_UNLOCK(APPLET_ODDNAME(flash_unlock, flash_lock_unlock, _BB_DIR_USR_SBIN, _BB_SUID_NEVER, flash_unlock))
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IF_FOLD(APPLET(fold, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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IF_FREE(APPLET(free, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
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IF_FREERAMDISK(APPLET(freeramdisk, _BB_DIR_SBIN, _BB_SUID_NEVER))
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@ -1248,6 +1248,17 @@
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"$ find / -name passwd\n" \
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"/etc/passwd\n"
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#define flash_lock_trivial_usage \
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"MTD_DEVICE OFFSET SECTORS"
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#define flash_lock_full_usage "\n\n" \
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"Lock part or all of an MTD device. If SECTORS is -1, then all sectors\n" \
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"will be locked, regardless of the value of OFFSET"
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#define flash_unlock_trivial_usage \
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"MTD_DEVICE"
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#define flash_unlock_full_usage "\n\n" \
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"Unlock an MTD device"
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#define flash_eraseall_trivial_usage \
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"[-jq] MTD_DEVICE"
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#define flash_eraseall_full_usage "\n\n" \
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@ -22,6 +22,7 @@ unsigned type xato##UT##_sfx(const char *str, const struct suffix_mult *sfx) FAS
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unsigned type xato##UT(const char *str) FAST_FUNC; \
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type xstrto##T##_range_sfx(const char *str, int b, type l, type u, const struct suffix_mult *sfx) FAST_FUNC; \
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type xstrto##T##_range(const char *str, int b, type l, type u) FAST_FUNC; \
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type xstrto##T(const char *str, int b) FAST_FUNC; \
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type xato##T##_range_sfx(const char *str, type l, type u, const struct suffix_mult *sfx) FAST_FUNC; \
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type xato##T##_range(const char *str, type l, type u) FAST_FUNC; \
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type xato##T##_sfx(const char *str, const struct suffix_mult *sfx) FAST_FUNC; \
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@ -66,6 +67,9 @@ static ALWAYS_INLINE \
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narrow xstrto##N##_range(const char *str, int b, narrow l, narrow u) \
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{ return xstrto##W##_range(str, b, l, u); } \
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static ALWAYS_INLINE \
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narrow xstrto##N(const char *str, int b) \
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{ return xstrto##W(str, b); } \
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static ALWAYS_INLINE \
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narrow xato##N##_range_sfx(const char *str, narrow l, narrow u, const struct suffix_mult *sfx) \
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{ return xato##W##_range_sfx(str, l, u, sfx); } \
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static ALWAYS_INLINE \
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@ -157,6 +157,11 @@ type FAST_FUNC xstrto(_range)(const char *numstr, int base, type lower, type upp
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return xstrto(_range_sfx)(numstr, base, lower, upper, NULL);
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}
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type FAST_FUNC xstrto()(const char *numstr, int base)
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{
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return xstrto(_range_sfx)(numstr, base, XSTR_TYPE_MIN, XSTR_TYPE_MAX, NULL);
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}
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type FAST_FUNC xato(_range_sfx)(const char *numstr,
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type lower,
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type upper,
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@ -30,7 +30,7 @@ static void xgroup_study(struct group *g)
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}
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/* if a specific gid is requested, the --system switch and */
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/* min and max values are overriden, and the range of valid */
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/* min and max values are overridden, and the range of valid */
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/* gid values is set to [0, INT_MAX] */
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if (!(option_mask32 & OPT_GID)) {
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if (option_mask32 & OPT_SYSTEM_ACCOUNT) {
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@ -250,6 +250,20 @@ config FBSPLASH
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"NN" (ASCII decimal number) - percentage to show on progress bar
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"exit" - well you guessed it
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config FLASH_LOCK
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bool "flash_lock"
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default n
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help
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The flash_lock binary from mtd-utils as of git head 5ec0c10d0. This
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utility locks part or all of the flash device.
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config FLASH_UNLOCK
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bool "flash_unlock"
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default n
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help
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The flash_unlock binary from mtd-utils as of git head 5ec0c10d0. This
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utility unlocks part or all of the flash device.
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config FLASH_ERASEALL
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bool "flash_eraseall"
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default n
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@ -16,7 +16,9 @@ lib-$(CONFIG_DEVFSD) += devfsd.o
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lib-$(CONFIG_DEVMEM) += devmem.o
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lib-$(CONFIG_EJECT) += eject.o
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lib-$(CONFIG_FBSPLASH) += fbsplash.o
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lib-$(CONFIG_FLASH_ERASEALL) += flash_eraseall.o
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lib-$(CONFIG_FLASH_ERASEALL) += flash_eraseall.o
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lib-$(CONFIG_FLASH_LOCK) += flash_lock_unlock.o
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lib-$(CONFIG_FLASH_UNLOCK) += flash_lock_unlock.o
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lib-$(CONFIG_IONICE) += ionice.o
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lib-$(CONFIG_HDPARM) += hdparm.o
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lib-$(CONFIG_INOTIFYD) += inotifyd.o
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69
miscutils/flash_lock_unlock.c
Normal file
69
miscutils/flash_lock_unlock.c
Normal file
@ -0,0 +1,69 @@
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/* vi: set sw=4 ts=4: */
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/* Ported to busybox from mtd-utils.
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*
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* Licensed under GPLv2, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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#include <mtd/mtd-user.h>
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int flash_lock_unlock_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int flash_lock_unlock_main(int argc UNUSED_PARAM, char **argv)
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{
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/* note: fields in these structs are 32-bits.
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* apparently we can't win anything by using off_t
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* or long long's for offset and/or sectors vars. */
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struct mtd_info_user info;
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struct erase_info_user lock;
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unsigned long offset;
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long sectors;
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int fd;
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#define do_lock (ENABLE_FLASH_LOCK && (!ENABLE_FLASH_UNLOCK || (applet_name[6] == 'l')))
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if (!argv[1])
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bb_show_usage();
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/* parse offset and number of sectors to lock */
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offset = 0;
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sectors = -1;
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if (do_lock) {
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if (!argv[2] || !argv[3])
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bb_show_usage();
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offset = xstrtoul(argv[2], 0);
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sectors = xstrtol(argv[3], 0);
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}
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fd = xopen(argv[1], O_RDWR);
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xioctl(fd, MEMGETINFO, &info);
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lock.start = 0;
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lock.length = info.size;
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if (do_lock) {
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unsigned long size = info.size - info.erasesize;
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if (offset > size) {
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bb_error_msg_and_die("%lx is beyond device size %lx\n",
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offset, size);
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}
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if (sectors == -1) {
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sectors = info.size / info.erasesize;
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} else {
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// isn't this useless?
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unsigned long num = info.size / info.erasesize;
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if (sectors > num) {
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bb_error_msg_and_die("%ld are too many "
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"sectors, device only has "
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"%ld\n", sectors, num);
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}
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}
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lock.start = offset;
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lock.length = sectors * info.erasesize;
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xioctl(fd, MEMLOCK, &lock);
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} else {
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xioctl(fd, MEMUNLOCK, &lock);
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}
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return EXIT_SUCCESS;
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}
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@ -656,7 +656,7 @@ depmod -[aA] [-n -e -v -q -V -r -u]
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[-b basedirectory] [forced_version]
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depmod [-n -e -v -q -r -u] [-F kernelsyms] module1.ko module2.ko ...
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If no arguments (except options) are given, "depmod -a" is assumed.
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depmod will output a dependancy list suitable for the modprobe utility.
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depmod will output a dependency list suitable for the modprobe utility.
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Options:
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-a, --all Probe all modules
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-A, --quick Only does the work if there's a new module
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@ -322,7 +322,7 @@ static int print_qdisc(const struct sockaddr_nl *who UNUSED_PARAM,
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int qqq = index_in_strings(_q_, name);
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if (qqq == 0) { /* pfifo_fast aka prio */
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prio_print_opt(tb[TCA_OPTIONS]);
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} else if (qqq == 1) { /* class based queueing */
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} else if (qqq == 1) { /* class based queuing */
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cbq_print_opt(tb[TCA_OPTIONS]);
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} else
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bb_error_msg("unknown %s", name);
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@ -388,7 +388,7 @@ static int print_class(const struct sockaddr_nl *who UNUSED_PARAM,
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int qqq = index_in_strings(_q_, name);
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if (qqq == 0) { /* pfifo_fast aka prio */
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/* nothing. */ /*prio_print_opt(tb[TCA_OPTIONS]);*/
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} else if (qqq == 1) { /* class based queueing */
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} else if (qqq == 1) { /* class based queuing */
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/* cbq_print_copt() is identical to cbq_print_opt(). */
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cbq_print_opt(tb[TCA_OPTIONS]);
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} else
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