You really don't get it.
+ unveil_list = calloc(2 * argc, sizeof(char*));
Imagine argc is 10000.
+ for (i = 2 * argc - 2; i >= 0; i -= 2) {
+ if (unveil_list[i]) {
+ if (unveil(unveil_list[i], "r") == -1)
...
+ if (unveil_list[i | 1]) {
+ if (unveil(unveil_list[i | 1], "cw") ==
-1)
+ err(1, "unveil");
...
E2BIG The addition of path would exceed the per-process
limit for unveiled paths.
Great, under fairly normal usage ftp aborts with an error.
Since you start with up to 8 others, it looks like this limit is easily
hit at around 120 filenames.
So ftp simply fails to perform the task it is designed for.
Your proposal is to break the command.
