dumalogiya
/
openwrt
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fix insmod search when 2.4 module support is disabled

Browse Source 
SVN-Revision: 7528
v19.07.3_mercusys_ac12_duma
Imre Kaloz 17 years ago
parent 741dbcff16
commit a2f2b9cfad
1 changed files with 196 additions and 0 deletions
Show Stats Download Patch File Download Diff File

196
package/busybox/patches/999-insmod2.6_search.patch
Unescape Escape View File

@ -0,0 +1,196 @@
--- busybox/modutils/insmod.c 2007-05-11 12:10:43.000000000 +0200
+++ busybox/modutils/insmod.c 2007-05-11 12:12:15.000000000 +0200
@@ -75,6 +75,30 @@
extern int insmod_ng_main( int argc, char **argv);
#endif
+static char *m_filename;
+static char *m_fullName;
+#define _PATH_MODULES "/lib/modules"
+
+static int check_module_name_match(const char *filename, struct stat *statbuf,
+ void *userdata, int depth)
+{
+ char *fullname = (char *) userdata;
+
+ if (fullname[0] == '\0')
+ return FALSE;
+ else {
+ char *tmp, *tmp1 = xstrdup(filename);
+ tmp = bb_get_last_path_component(tmp1);
+ if (strcmp(tmp, fullname) == 0) {
+ free(tmp1);
+ /* Stop searching if we find a match */
+ m_filename = xstrdup(filename);
+ return FALSE;
+ }
+ free(tmp1);
+ }
+ return TRUE;
+}
#if ENABLE_FEATURE_2_4_MODULES
@@ -680,7 +704,6 @@
#endif
-#define _PATH_MODULES "/lib/modules"
enum { STRVERSIONLEN = 64 };
/*======================================================================*/
@@ -793,37 +816,6 @@
static int n_ext_modules_used;
extern int delete_module(const char *);
-static char *m_filename;
-static char *m_fullName;
-
-
-/*======================================================================*/
-
-
-static int check_module_name_match(const char *filename, struct stat *statbuf,
- void *userdata, int depth)
-{
- char *fullname = (char *) userdata;
-
- if (fullname[0] == '\0')
- return FALSE;
- else {
- char *tmp, *tmp1 = xstrdup(filename);
- tmp = bb_get_last_path_component(tmp1);
- if (strcmp(tmp, fullname) == 0) {
- free(tmp1);
- /* Stop searching if we find a match */
- m_filename = xstrdup(filename);
- return FALSE;
- }
- free(tmp1);
- }
- return TRUE;
-}
-
-
-/*======================================================================*/
-
static struct obj_file *arch_new_file(void)
{
struct arch_file *f;
@@ -4265,14 +4257,97 @@
long ret;
size_t len;
void *map;
- char *filename, *options;
+ char *options, *tmp;
+ struct stat st;
+#if ENABLE_FEATURE_CLEAN_UP
+ FILE *fp = 0;
+#else
+ FILE *fp;
+#endif
+ int k_version = 0;
+ struct utsname myuname;
- filename = *++argv;
- if (!filename)
+ if (argc < 2)
bb_show_usage();
+#if !ENABLE_FEATURE_2_4_MODULES
+ /* Grab the module name */
+ tmp = basename(xstrdup(argv[1]));
+ len = strlen(tmp);
+
+ if (uname(&myuname) == 0) {
+ if (myuname.release[0] == '2') {
+ k_version = myuname.release[2] - '0';
+ }
+ }
+
+ if (len > 3 && tmp[len - 3] == '.' && tmp[len - 2] == 'k' && tmp[len - 1] == 'o') {
+ len -= 3;
+ tmp[len] = '\0';
+ }
+
+
+ m_fullName = xasprintf("%s.ko", tmp);
+
+ /* Get a filedesc for the module. Check we we have a complete path */
+ if (stat(argv[1], &st) < 0 || !S_ISREG(st.st_mode)
+ || (fp = fopen(argv[1], "r")) == NULL
+ ) {
+ /* Hmm. Could not open it. First search under /lib/modules/`uname -r`,
+ * but do not error out yet if we fail to find it... */
+ if (k_version) { /* uname succeedd */
+ char *module_dir;
+ char *tmdn;
+ char real_module_dir[FILENAME_MAX];
+
+ tmdn = concat_path_file(_PATH_MODULES, myuname.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... */
+ if (realpath(tmdn, real_module_dir) == NULL)
+ module_dir = tmdn;
+ else
+ module_dir = real_module_dir;
+ recursive_action(module_dir, TRUE, FALSE, FALSE,
+ check_module_name_match, 0, m_fullName, 0);
+ free(tmdn);
+ }
+
+ /* Check if we have found anything yet */
+ if (m_filename == 0 || ((fp = fopen(m_filename, "r")) == NULL)) {
+ char module_dir[FILENAME_MAX];
+
+ free(m_filename);
+ m_filename = 0;
+ if (realpath (_PATH_MODULES, module_dir) == NULL)
+ strcpy(module_dir, _PATH_MODULES);
+ /* No module found under /lib/modules/`uname -r`, this
+ * time cast the net a bit wider. Search /lib/modules/ */
+ if (!recursive_action(module_dir, TRUE, FALSE, FALSE,
+ check_module_name_match, 0, m_fullName, 0)
+ ) {
+ if (m_filename == 0
+ || ((fp = fopen(m_filename, "r")) == NULL)
+ ) {
+ bb_error_msg("%s: no module by that name found", m_fullName);
+#if ENABLE_FEATURE_CLEAN_UP
+ if(fp)
+ fclose(fp);
+ free(m_filename);
+#endif
+ }
+ } else
+ bb_error_msg_and_die("%s: no module by that name found", m_fullName);
+ }
+ } else
+ m_filename = xstrdup(argv[1]);
+#endif
+
/* Rest is options */
options = xstrdup("");
+ argv++;
while (*++argv) {
int optlen = strlen(options);
options = xrealloc(options, optlen + 2 + strlen(*argv) + 2);
@@ -4300,13 +4375,13 @@
}
#else
len = MAXINT(ssize_t);
- map = xmalloc_open_read_close(filename, &len);
+ map = xmalloc_open_read_close(m_filename, &len);
#endif
ret = syscall(__NR_init_module, map, len, options);
if (ret != 0) {
bb_perror_msg_and_die("cannot insert '%s': %s (%li)",
- filename, moderror(errno), ret);
+ m_filename, moderror(errno), ret);
}
return 0;
Write Preview
Loading…
Cancel
Save