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nixpkgs/pkgs/development/tools/unity3d/unity-nosuid.c

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2016-05-26 15:45:45 +01:00
#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;
}