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authorErik Andersen1999-12-21 02:55:11 +0000
committerErik Andersen1999-12-21 02:55:11 +0000
commitd387d01f11c3b9438322c951cd1eac8f29ea6afc (patch)
treeed81f0f41ce4af3de74c5025180ca158f93f5809 /modutils
parentf294a0288d5f90616c5a096c2236442394112daa (diff)
downloadbusybox-d387d01f11c3b9438322c951cd1eac8f29ea6afc.zip
busybox-d387d01f11c3b9438322c951cd1eac8f29ea6afc.tar.gz
Sync to my local tree
Diffstat (limited to 'modutils')
-rw-r--r--modutils/insmod.c101
1 files changed, 97 insertions, 4 deletions
diff --git a/modutils/insmod.c b/modutils/insmod.c
index 9a0daa7..9cb635f 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -29,6 +29,16 @@
#include <sys/syscall.h>
#include <linux/module.h>
+#define _PATH_MODULES "/lib/modules"
+
+#warning "Danger Will Robinson, Danger!!!"
+#warning " "
+#warning "insmod is still under construction. Don't use it."
+#warning " "
+#warning " You have been warned!"
+#warning " "
+
+
/* Some firendly syscalls to cheer everyone's day... */
_syscall2(int, init_module, const char *, name,
const struct module *, info)
@@ -57,6 +67,8 @@ _syscall2(unsigned long, create_module, const char *, name, size_t, size)
#endif
+static char m_filename[PATH_MAX] = "\0";
+static char m_fullName[PATH_MAX] ="\0";
static const char insmod_usage[] =
"insmod [OPTION]... MODULE [symbol=value]...\n\n"
"Loads the specified kernel modules into the kernel.\n\n"
@@ -65,14 +77,32 @@ static const char insmod_usage[] =
"\t-k\tMake module autoclean-able.\n";
+static int findNamedModule(const char *fileName, struct stat* statbuf)
+{
+ if (m_fullName[0]=='\0')
+ return( FALSE);
+ else {
+ char* tmp = strrchr( fileName, '/');
+ if (tmp == NULL)
+ tmp = (char*)fileName;
+ else
+ tmp++;
+ if (check_wildcard_match(tmp, m_fullName) == TRUE) {
+ /* Stop searching if we find a match */
+ memcpy(m_filename, fileName, strlen(fileName));
+ return( FALSE);
+ }
+ }
+ return( TRUE);
+}
+
extern int insmod_main(int argc, char **argv)
{
int len;
- char m_name[PATH_MAX];
- char* tmp;
-
-
+ char *tmp;
+ char m_name[PATH_MAX] ="\0";
+ FILE *fp;
if (argc<=1) {
usage( insmod_usage);
@@ -105,9 +135,72 @@ extern int insmod_main(int argc, char **argv)
if (len > 2 && tmp[len - 2] == '.' && tmp[len - 1] == 'o')
len -= 2;
memcpy(m_name, tmp, len);
+ strcpy(m_fullName, m_name);
+ strcat(m_fullName, ".o");
+
+ /* Get a filedesc for the module */
+ if ((fp = fopen(*argv, "r")) == NULL) {
+ /* Hmpf. Could not open it. Search through _PATH_MODULES to find a module named m_name */
+ if (recursiveAction(_PATH_MODULES, TRUE, FALSE, FALSE,
+ findNamedModule, findNamedModule) == FALSE) {
+ if ( m_filename[0] == '\0' || ((fp = fopen(m_filename, "r")) == NULL)) {
+ perror("No module by that name found in " _PATH_MODULES "\n");
+ exit( FALSE);
+ }
+ }
+ } else
+ memcpy(m_filename, *argv, strlen(*argv));
+
+ fprintf(stderr, "m_filename='%s'\n", m_filename);
fprintf(stderr, "m_name='%s'\n", m_name);
+
+ /* TODO: do something roughtly like this... */
+#if 0
+
+ if ((f = obj_load(fp)) == NULL) {
+ perror("Could not load the module\n");
+ exit( FALSE);
+ }
+ /* Let the module know about the kernel symbols. */
+ add_kernel_symbols(f);
+
+ if (!create_this_module(f, m_name)) {
+ perror("Could not create the module\n");
+ exit( FALSE);
+ }
+
+ if (!obj_check_undefineds(f, quiet)) {
+ perror("Undefined symbols in the module\n");
+ exit( FALSE);
+ }
+ obj_allocate_commons(f);
+
+ /* Perse the module's arguments */
+ while (argc-- >0 && *(argv++) != '\0') {
+ if (!process_module_arguments(f, argc - optind, argv + optind)) {
+ perror("Undefined symbols in the module\n");
+ exit( FALSE);
+ }
+ }
+
+ /* Find current size of the module */
+ m_size = obj_load_size(f);
+
+
+ errno = 0;
+ m_addr = create_module(m_name, m_size);
+ switch (errno) {
+ /* yada yada */
+ default:
+ perror("create_module: %m");
+
+ }
+
+#endif
+
+ fclose( fp);
exit( TRUE);
}