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Kernel+ping: Only allow superuser to create SOCK_RAW sockets

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/bin/ping is now setuid-root, and will drop privileges immediately
after opening a raw socket.
This commit is contained in:
Andreas Kling 2019-12-31 01:42:34 +01:00
parent 5c918d0e71
commit 3f254bfbc8
3 changed files with 8 additions and 0 deletions
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5
Userland/ping.cpp
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@ -37,6 +37,11 @@ int main(int argc, char** argv)
return 1;
}
if (setgid(getgid()) || setuid(getuid())) {
fprintf(stderr, "Failed to drop privileges.\n");
return 1;
}
struct timeval timeout {
1, 0
};