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-rw-r--r--package/utils/busybox/patches/470-insmod_search.patch137
1 files changed, 137 insertions, 0 deletions
diff --git a/package/utils/busybox/patches/470-insmod_search.patch b/package/utils/busybox/patches/470-insmod_search.patch
new file mode 100644
index 0000000000..7f0188fc82
--- /dev/null
+++ b/package/utils/busybox/patches/470-insmod_search.patch
@@ -0,0 +1,137 @@
+--- a/modutils/Config.src
++++ b/modutils/Config.src
+@@ -247,7 +247,7 @@ config FEATURE_MODUTILS_SYMBOLS
+ config DEFAULT_MODULES_DIR
+ string "Default directory containing modules"
+ default "/lib/modules"
+- depends on DEPMOD || MODPROBE || MODPROBE_SMALL || MODINFO
++ depends on DEPMOD || INSMOD || MODPROBE || MODPROBE_SMALL || MODINFO
+ help
+ Directory that contains kernel modules.
+ Defaults to "/lib/modules"
+--- a/modutils/insmod.c
++++ b/modutils/insmod.c
+@@ -11,6 +11,106 @@
+
+ #include "libbb.h"
+ #include "modutils.h"
++#include <sys/utsname.h>
++#ifndef CONFIG_FEATURE_2_4_MODULES
++#include <sys/mman.h>
++#include <asm/unistd.h>
++#include <sys/syscall.h>
++#endif
++
++static char *g_filename = NULL;
++
++static int FAST_FUNC check_module_name_match(const char *filename, struct stat *statbuf,
++ void *userdata, int depth)
++{
++ char *fullname = (char *) userdata;
++ char *tmp;
++
++ if (fullname[0] == '\0')
++ return FALSE;
++
++ tmp = bb_get_last_path_component_nostrip(filename);
++ if (strcmp(tmp, fullname) == 0) {
++ /* Stop searching if we find a match */
++ g_filename = xstrdup(filename);
++ return FALSE;
++ }
++
++ return TRUE;
++}
++
++static int find_module(char *filename)
++{
++ char *module_dir, real_module_dir[FILENAME_MAX];
++ int len, slen, ret = ENOENT, k_version;
++ struct utsname myuname;
++ const char *suffix = ".ko";
++ struct stat st;
++
++ /* check the kernel version */
++ if (uname(&myuname) != 0)
++ return EINVAL;
++
++ k_version = myuname.release[0] - '0';
++
++ if (k_version < 2 || k_version > 9)
++ return EINVAL;
++
++ if (k_version == 2) {
++ int k_patchlevel = myuname.release[2] - '0';
++ if (k_patchlevel <= 4)
++#if ENABLE_FEATURE_2_4_MODULES
++ suffix = ".o";
++#else
++ return EINVAL;
++#endif
++ }
++
++ len = strlen(filename);
++ slen = strlen(suffix);
++
++ /* check for suffix and absolute path first */
++ if ((len < slen + 2) || (strcmp(filename + len - slen, suffix) != 0)) {
++ filename = xasprintf("%s%s", filename, suffix);
++ } else {
++ filename = strdup(filename);
++ if ((stat(filename, &st) == 0) && S_ISREG(st.st_mode)) {
++ g_filename = filename;
++ return 0;
++ }
++ free(filename);
++ return ENOENT;
++ }
++
++ /* next: scan /lib/modules/<release> */
++ /* Jump through hoops in case /lib/modules/`uname -r`
++ * is a symlink. We do not want recursive_action to
++ * follow symlinks, but we do want to follow the
++ * /lib/modules/`uname -r` dir, So resolve it ourselves
++ * if it is a link... */
++ module_dir = concat_path_file(CONFIG_DEFAULT_MODULES_DIR, myuname.release);
++ if (realpath(module_dir, real_module_dir) != NULL) {
++ free(module_dir);
++ module_dir = real_module_dir;
++ }
++
++ recursive_action(module_dir, ACTION_RECURSE,
++ check_module_name_match, 0, filename, 0);
++
++ /* Check if we have a complete path */
++ if (g_filename == NULL)
++ goto done;
++
++ if ((stat(g_filename, &st) == 0) && S_ISREG(st.st_mode))
++ ret = 0;
++ else
++ free(g_filename);
++
++done:
++ free(filename);
++
++ return ret;
++}
+
+ /* 2.6 style insmod has no options and required filename
+ * (not module name - .ko can't be omitted) */
+@@ -58,9 +158,15 @@ int insmod_main(int argc UNUSED_PARAM, c
+ if (!filename)
+ bb_show_usage();
+
+- rc = bb_init_module(filename, parse_cmdline_module_options(argv, /*quote_spaces:*/ 0));
++ rc = find_module(filename);
++ if (rc || (g_filename == NULL))
++ goto done;
++
++ rc = bb_init_module(g_filename, parse_cmdline_module_options(argv, /*quote_spaces:*/ 0));
+ if (rc)
+ bb_error_msg("can't insert '%s': %s", filename, moderror(rc));
++ free (g_filename);
+
++done:
+ return rc;
+ }