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This commit is contained in:
Erik Andersen 1999-12-21 02:55:11 +00:00
parent f294a0288d
commit d387d01f11
7 changed files with 203 additions and 13 deletions
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4
Makefile
View File

@ -84,6 +84,10 @@ ifdef BB_INIT_RC_EXIT_CMD
CFLAGS += -DBB_INIT_CMD_IF_RC_SCRIPT_EXITS=${BB_INIT_RC_EXIT_CMD}
endif
ifdef BB_INIT_SCRIPT
CFLAGS += -DBB_INIT_SCRIPT=${BB_INIT_SCRIPT}
endif
all: busybox busybox.links
busybox: $(OBJECTS)

4
busybox.def.h
View File

@ -28,7 +28,7 @@
#define BB_HEAD
#define BB_HOSTNAME
#define BB_INIT
#define BB_INSMOD
//#define BB_INSMOD
#define BB_KILL
#define BB_KLOGD
//#define BB_LENGTH
@ -60,7 +60,7 @@
#define BB_REBOOT
#define BB_RM
#define BB_RMDIR
#define BB_RMMOD
//#define BB_RMMOD
//#define BB_SFDISK
#define BB_SED
#define BB_SLEEP

2
busybox.spec
View File

@ -21,7 +21,7 @@ embedded system.
%setup -q -n %{Name}-%{Version}
%Build
BB_INIT_RC_EXIT_CMD=\"/bin/sh\" make
BB_INIT_RC_EXIT_CMD=\"/bin/sh\" BB_INIT_SCRIPT=\"/etc/rc.d/init.d/rcS\" make
%Install
rm -rf $RPM_BUILD_ROOT

2
examples/busybox.spec
View File

@ -21,7 +21,7 @@ embedded system.
%setup -q -n %{Name}-%{Version}
%Build
BB_INIT_RC_EXIT_CMD=\"/bin/sh\" make
BB_INIT_RC_EXIT_CMD=\"/bin/sh\" BB_INIT_SCRIPT=\"/etc/rc.d/init.d/rcS\" make
%Install
rm -rf $RPM_BUILD_ROOT

101
insmod.c
View File

@ -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);
}

101
modutils/insmod.c
View File

@ -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);
}

2
utility.c
View File

@ -378,7 +378,7 @@ int fullRead(int fd, char *buf, int len)
#endif
#if defined (BB_CHOWN) || defined (BB_CP) || defined (BB_FIND) || defined (BB_LS)
#if defined (BB_CHOWN) || defined (BB_CP) || defined (BB_FIND) || defined (BB_LS) || defined (BB_INSMOD)
/*
* Walk down all the directories under the specified
* location, and do something (something specified