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https://github.com/cirosantilli/linux-kernel-module-cheat.git
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37 lines
962 B
C
37 lines
962 B
C
/*
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http://stackoverflow.com/questions/5947286/how-can-linux-kernel-modules-be-loaded-from-c-code/38606527#38606527
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*/
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#define _GNU_SOURCE
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#include <assert.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/syscall.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#define init_module(mod, len, opts) syscall(__NR_init_module, mod, len, opts)
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#define delete_module(name, flags) syscall(__NR_delete_module, name, flags)
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int main(void) {
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int fd = open("hello.ko", O_RDONLY);
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struct stat st;
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fstat(fd, &st);
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size_t image_size = st.st_size;
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void *image = malloc(image_size);
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read(fd, image, image_size);
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close(fd);
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if (init_module(image, image_size, "") != 0) {
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perror("init_module");
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return EXIT_FAILURE;
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}
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free(image);
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if (delete_module("hello", O_NONBLOCK) != 0) {
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perror("delete_modul");
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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