diff options
Diffstat (limited to 'src/xz/main.c')
| -rw-r--r-- | src/xz/main.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/xz/main.c b/src/xz/main.c index 5608229d..5e0789ad 100644 --- a/src/xz/main.c +++ b/src/xz/main.c @@ -205,6 +205,24 @@ main(int argc, char **argv) if (opt_mode != MODE_LIST) signals_init(); +#ifdef ENABLE_SANDBOX + // Set a flag that sandboxing is allowed if all these are true: + // - --files or --files0 wasn't used. + // - There is exactly one input file or we are reading from stdin. + // - We won't create any files: output goes to stdout or --test + // or --list was used. Note that --test implies opt_stdout = true + // but --list doesn't. + // + // This is obviously not ideal but it was easy to implement and + // it covers the most common use cases. + // + // TODO: Make sandboxing work for other situations too. + if (args.files_name == NULL && args.arg_count == 1 + && (opt_stdout || strcmp("-", args.arg_names[0]) == 0 + || opt_mode == MODE_LIST)) + io_allow_sandbox(); +#endif + // coder_run() handles compression, decompression, and testing. // list_file() is for --list. void (*run)(const char *filename) = opt_mode == MODE_LIST |