32 lines
864 B
C
32 lines
864 B
C
#define _GNU_SOURCE
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <dlfcn.h>
|
|
|
|
static const char sandbox_path[] = "/chrome-sandbox";
|
|
|
|
int __xstat(int ver, const char* path, struct stat* stat_buf) {
|
|
static int (*original_xstat)(int, const char*, struct stat*) = NULL;
|
|
if (original_xstat == NULL) {
|
|
int (*fun)(int, const char*, struct stat*) = dlsym(RTLD_NEXT, "__xstat");
|
|
if (fun == NULL) {
|
|
return -1;
|
|
};
|
|
original_xstat = fun;
|
|
};
|
|
|
|
int res = (*original_xstat)(ver, path, stat_buf);
|
|
if (res == 0) {
|
|
char* pos = strstr(path, sandbox_path);
|
|
if (pos != NULL && *(pos + sizeof(sandbox_path) - 1) == '\0') {
|
|
printf("Lying about chrome-sandbox access rights...\n");
|
|
stat_buf->st_uid = 0;
|
|
stat_buf->st_gid = 0;
|
|
stat_buf->st_mode = 0104755;
|
|
};
|
|
}
|
|
return res;
|
|
}
|