3rd-party/linux-kernel-module-cheat
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myinsmod takes params

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Ciro Santilli
2017-06-15 07:54:38 +01:00
parent a066fafe78
commit be105c7106
1 changed files with 11 additions and 5 deletions
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16
kernel_module/user/myinsmod.c
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@@ -10,22 +10,28 @@
#define init_module(mod, len, opts) syscall(__NR_init_module, mod, len, opts)
int main(int argc, char **argv) {
size_t image_size;
void *image;
const char *params;
int fd;
size_t image_size;
struct stat st;
void *image;
if (argc != 2) {
puts("Usage ./prog mymodule.ko");
if (argc < 2) {
puts("Usage ./prog mymodule.ko [args]");
return EXIT_FAILURE;
}
if (argc < 3) {
params = "";
} else {
params = argv[2];
}
fd = open(argv[1], O_RDONLY);
fstat(fd, &st);
image_size = st.st_size;
image = malloc(image_size);
read(fd, image, image_size);
close(fd);
if (init_module(image, image_size, "") != 0) {
if (init_module(image, image_size, params) != 0) {
perror("init_module");
return EXIT_FAILURE;
}