在ubuntu上拦截对文件夹的调用并模拟文件夹行为

sudo apt-get install fuse libfuse-dev

mkdir myfolder

#define FUSE_USE_VERSION 30
#include <fuse.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>

static int mygetattr(const char *path, struct stat *stbuf)
{
    // 模拟文件夹的属性
    memset(stbuf, 0, sizeof(struct stat));
    stbuf->st_mode = S_IFDIR | 0755;
    stbuf->st_nlink = 2;
    return 0;
}

static int myreaddir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info *fi)
{
    // 模拟文件夹的内容
    filler(buf, ".", NULL, 0);
    filler(buf, "..", NULL, 0);
    filler(buf, "file1.txt", NULL, 0);
    filler(buf, "file2.txt", NULL, 0);
    return 0;
}

static int myopen(const char *path, struct fuse_file_info *fi)
{
    // 模拟打开文件夹的操作
    if (strcmp(path, "/") != 0)
        return -ENOENT;
    return 0;
}

static struct fuse_operations myfuse_operations = {
    .getattr = mygetattr,
    .readdir = myreaddir,
    .open = myopen,
};

int main(int argc, char *argv[])
{
    return fuse_main(argc, argv, &myfuse_operations, NULL);
}

gcc -Wall myfuse.c `pkg-config fuse --cflags --libs` -o myfuse

./myfuse myfolder