Some formatting updates (ran the code through indent)
-Erik
This commit is contained in:
Erik Andersen
@@ -1,3 +1,4 @@
|
||||
/* vi: set sw=4 ts=4: */
|
||||
/*
|
||||
* Mini insmod implementation for busybox
|
||||
*
|
||||
@@ -41,8 +42,7 @@
|
||||
|
||||
/* Some firendly syscalls to cheer everyone's day... */
|
||||
_syscall2(int, init_module, const char *, name,
|
||||
const struct module *, info)
|
||||
|
||||
const struct module *, info)
|
||||
#ifndef BB_RMMOD
|
||||
_syscall1(int, delete_module, const char *, name)
|
||||
#else
|
||||
@@ -52,155 +52,159 @@ extern int delete_module(const char *);
|
||||
#if defined(__i386__) || defined(__m68k__) || defined(__arm__)
|
||||
/* Jump through hoops to fixup error return codes */
|
||||
#define __NR__create_module __NR_create_module
|
||||
static inline _syscall2(long, _create_module, const char *, name, size_t, size)
|
||||
static inline _syscall2(long, _create_module, const char *, name, size_t,
|
||||
size)
|
||||
unsigned long create_module(const char *name, size_t size)
|
||||
{
|
||||
long ret = _create_module(name, size);
|
||||
if (ret == -1 && errno > 125) {
|
||||
ret = -errno;
|
||||
errno = 0;
|
||||
}
|
||||
return ret;
|
||||
long ret = _create_module(name, size);
|
||||
|
||||
if (ret == -1 && errno > 125) {
|
||||
ret = -errno;
|
||||
errno = 0;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
#else
|
||||
_syscall2(unsigned long, create_module, const char *, name, size_t, size)
|
||||
#endif
|
||||
|
||||
|
||||
static char m_filename[PATH_MAX + 1] = "\0";
|
||||
static char m_fullName[PATH_MAX + 1] = "\0";
|
||||
static const char insmod_usage[] =
|
||||
"insmod [OPTION]... MODULE [symbol=value]...\n\n"
|
||||
"Loads the specified kernel modules into the kernel.\n\n"
|
||||
"Options:\n"
|
||||
"\t-f\tForce module to load into the wrong kernel version.\n"
|
||||
"\t-k\tMake module autoclean-able.\n";
|
||||
"insmod [OPTION]... MODULE [symbol=value]...\n\n"
|
||||
"Loads the specified kernel modules into the kernel.\n\n"
|
||||
"Options:\n"
|
||||
|
||||
"\t-f\tForce module to load into the wrong kernel version.\n"
|
||||
"\t-k\tMake module autoclean-able.\n";
|
||||
|
||||
|
||||
static int findNamedModule(const char *fileName, struct stat* statbuf)
|
||||
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);
|
||||
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);
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
|
||||
extern int insmod_main(int argc, char **argv)
|
||||
{
|
||||
int len;
|
||||
char *tmp;
|
||||
char m_name[PATH_MAX + 1] ="\0";
|
||||
FILE *fp;
|
||||
int len;
|
||||
char *tmp;
|
||||
char m_name[PATH_MAX + 1] = "\0";
|
||||
FILE *fp;
|
||||
|
||||
if (argc<=1) {
|
||||
usage( insmod_usage);
|
||||
}
|
||||
|
||||
/* Parse any options */
|
||||
while (--argc > 0 && **(++argv) == '-') {
|
||||
while (*(++(*argv))) {
|
||||
switch (**argv) {
|
||||
case 'f':
|
||||
break;
|
||||
case 'k':
|
||||
break;
|
||||
default:
|
||||
if (argc <= 1) {
|
||||
usage(insmod_usage);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (argc <= 0 )
|
||||
usage(insmod_usage);
|
||||
|
||||
/* Grab the module name */
|
||||
if ((tmp = strrchr(*argv, '/')) != NULL)
|
||||
tmp++;
|
||||
else
|
||||
tmp = *argv;
|
||||
len = strlen(tmp);
|
||||
|
||||
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);
|
||||
}
|
||||
/* Parse any options */
|
||||
while (--argc > 0 && **(++argv) == '-') {
|
||||
while (*(++(*argv))) {
|
||||
switch (**argv) {
|
||||
case 'f':
|
||||
break;
|
||||
case 'k':
|
||||
break;
|
||||
default:
|
||||
usage(insmod_usage);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else
|
||||
memcpy(m_filename, *argv, strlen(*argv));
|
||||
|
||||
if (argc <= 0)
|
||||
usage(insmod_usage);
|
||||
|
||||
/* Grab the module name */
|
||||
if ((tmp = strrchr(*argv, '/')) != NULL)
|
||||
tmp++;
|
||||
else
|
||||
tmp = *argv;
|
||||
len = strlen(tmp);
|
||||
|
||||
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);
|
||||
fprintf(stderr, "m_filename='%s'\n", m_filename);
|
||||
fprintf(stderr, "m_name='%s'\n", m_name);
|
||||
|
||||
|
||||
/* TODO: do something roughtly like this... */
|
||||
/* 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);
|
||||
if ((f = obj_load(fp)) == NULL) {
|
||||
perror("Could not load the module\n");
|
||||
exit(FALSE);
|
||||
}
|
||||
}
|
||||
|
||||
/* Find current size of the module */
|
||||
m_size = obj_load_size(f);
|
||||
/* 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 */
|
||||
errno = 0;
|
||||
m_addr = create_module(m_name, m_size);
|
||||
switch (errno) {
|
||||
/* yada yada */
|
||||
default:
|
||||
perror("create_module: %m");
|
||||
perror("create_module: %m");
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
fclose( fp);
|
||||
exit( TRUE);
|
||||
fclose(fp);
|
||||
exit(TRUE);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user