* Licensed under GPLv2, see file LICENSE in this source tree.
*/
+//applet:IF_MODPROBE_SMALL(APPLET(modprobe, BB_DIR_SBIN, BB_SUID_DROP))
+//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(depmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, modprobe))
+//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(insmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, modprobe))
+//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(lsmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, modprobe))
+//applet:IF_MODPROBE_SMALL(APPLET_ODDNAME(rmmod, modprobe, BB_DIR_SBIN, BB_SUID_DROP, modprobe))
+
#include "libbb.h"
/* After libbb.h, since it needs sys/types.h on some systems */
#include <sys/utsname.h> /* uname() */
extern int query_module(const char *name, int which, void *buf, size_t bufsize, size_t *ret);
-#define dbg1_error_msg(...) ((void)0)
-#define dbg2_error_msg(...) ((void)0)
-//#define dbg1_error_msg(...) bb_error_msg(__VA_ARGS__)
-//#define dbg2_error_msg(...) bb_error_msg(__VA_ARGS__)
+#if 1
+# define dbg1_error_msg(...) ((void)0)
+# define dbg2_error_msg(...) ((void)0)
+#else
+# define dbg1_error_msg(...) bb_error_msg(__VA_ARGS__)
+# define dbg2_error_msg(...) bb_error_msg(__VA_ARGS__)
+#endif
#define DEPFILE_BB CONFIG_DEFAULT_DEPMOD_FILE".bb"
/* Read (possibly compressed) module */
len = 64 * 1024 * 1024; /* 64 Mb at most */
module_image = xmalloc_open_zipped_read_close(pathname, &len);
+ /* module_image == NULL is ok here, find_keyword handles it */
//TODO: optimize redundant module body reads
/* "alias1 symbol:sym1 alias2 symbol:sym2" */
/* rmmod? unload it by name */
if (is_rmmod) {
- if (delete_module(name, O_NONBLOCK | O_EXCL) != 0
- && !(option_mask32 & OPT_q)
- ) {
- bb_perror_msg("remove '%s'", name);
+ if (delete_module(name, O_NONBLOCK | O_EXCL) != 0) {
+ if (!(option_mask32 & OPT_q))
+ bb_perror_msg("remove '%s'", name);
goto ret;
}
- /* N.B. we do not stop here -
+
+ if (applet_name[0] == 'r') {
+ /* rmmod: do not remove dependencies, exit */
+ goto ret;
+ }
+
+ /* modprobe -r: we do not stop here -
* continue to unload modules on which the module depends:
* "-r --remove: option causes modprobe to remove a module.
* If the modules it depends on are also unused, modprobe
- * will try to remove them, too." */
+ * will try to remove them, too."
+ */
}
if (!info) {
/* both dirscan and find_alias found nothing */
- if (applet_name[0] != 'd') /* it wasn't depmod */
+ if (!is_rmmod && applet_name[0] != 'd') /* it wasn't rmmod or depmod */
bb_error_msg("module '%s' not found", name);
-//TODO: _and_die()?
+//TODO: _and_die()? or should we continue (un)loading modules listed on cmdline?
goto ret;
}
*/
//usage:#if ENABLE_MODPROBE_SMALL
+
+//// Note: currently, help system shows modprobe --help text for all aliased cmds
+//// (see APPLET_ODDNAME macro definition).
+//// All other help texts defined below are not used. FIXME?
+
+//usage:#define depmod_trivial_usage NOUSAGE_STR
+//usage:#define depmod_full_usage ""
+
+//usage:#define lsmod_trivial_usage
+//usage: ""
+//usage:#define lsmod_full_usage "\n\n"
+//usage: "List the currently loaded kernel modules"
+
+//usage:#define insmod_trivial_usage
+//usage: IF_FEATURE_2_4_MODULES("[OPTIONS] MODULE ")
+//usage: IF_NOT_FEATURE_2_4_MODULES("FILE ")
+//usage: "[SYMBOL=VALUE]..."
+//usage:#define insmod_full_usage "\n\n"
+//usage: "Load the specified kernel modules into the kernel"
+//usage: IF_FEATURE_2_4_MODULES( "\n"
+//usage: "\n -f Force module to load into the wrong kernel version"
+//usage: "\n -k Make module autoclean-able"
+//usage: "\n -v Verbose"
+//usage: "\n -q Quiet"
+//usage: "\n -L Lock: prevent simultaneous loads"
+//usage: IF_FEATURE_INSMOD_LOAD_MAP(
+//usage: "\n -m Output load map to stdout"
+//usage: )
+//usage: "\n -x Don't export externs"
+//usage: )
+
+//usage:#define rmmod_trivial_usage
+//usage: "[-wfa] [MODULE]..."
+//usage:#define rmmod_full_usage "\n\n"
+//usage: "Unload kernel modules\n"
+//usage: "\n -w Wait until the module is no longer used"
+//usage: "\n -f Force unload"
+//usage: "\n -a Remove all unused modules (recursively)"
+//usage:
+//usage:#define rmmod_example_usage
+//usage: "$ rmmod tulip\n"
+
//usage:#define modprobe_trivial_usage
//usage: "[-qfwrsv] MODULE [symbol=value]..."
//usage:#define modprobe_full_usage "\n\n"
-//usage: "Options:"
-//usage: "\n -r Remove MODULE (stacks) or do autoclean"
+//usage: " -r Remove MODULE (stacks) or do autoclean"
//usage: "\n -q Quiet"
//usage: "\n -v Verbose"
//usage: "\n -f Force"
//usage: "\n -w Wait for unload"
//usage: "\n -s Report via syslog instead of stderr"
-//usage:#endif /* ENABLE_MODPROBE_SMALL */
+
+//usage:#endif
int modprobe_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int modprobe_main(int argc UNUSED_PARAM, char **argv)
opt_complementary = "-1";
/* only -q (quiet) and -r (rmmod),
* the rest are accepted and ignored (compat) */
- getopt32(argv, "qrfsvw");
+ getopt32(argv, "qrfsvwb");
argv += optind;
/* are we rmmod? -> simulate modprobe -r */
void *map;
len = MAXINT(ssize_t);
- map = xmalloc_xopen_read_close(*argv, &len);
+ map = xmalloc_open_zipped_read_close(*argv, &len);
+ if (!map)
+ bb_perror_msg_and_die("can't read '%s'", *argv);
if (init_module(map, len,
IF_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(options ? options : "")
IF_NOT_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE("")
- ) != 0)
+ ) != 0
+ ) {
bb_error_msg_and_die("can't insert '%s': %s",
*argv, moderror(errno));
+ }
return 0;
}
/* Load/remove modules.
* Only rmmod loops here, modprobe has only argv[0] */
do {
- process_module(*argv++, options);
- } while (*argv);
+ process_module(*argv, options);
+ } while (*++argv);
if (ENABLE_FEATURE_CLEAN_UP) {
IF_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(free(options);)
projects / oweals / busybox.git / blobdiff