mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-07-06 11:18:30 +00:00
Add .PLEDGE/.CPU/.MEMORY/etc. to Landlock Make 1.2
This commit is contained in:
parent
6c0bbfac4a
commit
7ab15e0b23
20 changed files with 494 additions and 329 deletions
43
libc/intrin/ispublicip.c
Normal file
43
libc/intrin/ispublicip.c
Normal file
|
@ -0,0 +1,43 @@
|
|||
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
||||
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
||||
╞══════════════════════════════════════════════════════════════════════════════╡
|
||||
│ Copyright 2021 Justine Alexandra Roberts Tunney │
|
||||
│ │
|
||||
│ Permission to use, copy, modify, and/or distribute this software for │
|
||||
│ any purpose with or without fee is hereby granted, provided that the │
|
||||
│ above copyright notice and this permission notice appear in all copies. │
|
||||
│ │
|
||||
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
||||
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
||||
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
||||
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
||||
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
||||
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
||||
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
||||
│ PERFORMANCE OF THIS SOFTWARE. │
|
||||
╚─────────────────────────────────────────────────────────────────────────────*/
|
||||
#include "net/http/ip.h"
|
||||
|
||||
/**
|
||||
* Returns true if IPv4 address is Globally Reachable.
|
||||
*
|
||||
* We intentionally omit TEST-NET here which can be used to simulate
|
||||
* public Internet traffic using non-Internet IPs.
|
||||
*
|
||||
* @return true 92.4499% of the time
|
||||
* @see IANA IPv4 Special-Purpose Address Registry
|
||||
*/
|
||||
bool IsPublicIp(uint32_t x) {
|
||||
return !((x & 0xffffffff) == 0x00000000 /* 0.0.0.0/32 */ ||
|
||||
(x & 0xff000000) == 0x00000000 /* 0.0.0.0/8 */ ||
|
||||
(x & 0xff000000) == 0x0a000000 /* 10.0.0.0/8 */ ||
|
||||
(x & 0xff000000) == 0x7f000000 /* 127.0.0.0/8 */ ||
|
||||
(x & 0xfff00000) == 0xac100000 /* 172.16.0.0/12 */ ||
|
||||
(x & 0xffffff00) == 0xc0000000 /* 192.0.0.0/24 */ ||
|
||||
(x & 0xffff0000) == 0xc0a80000 /* 192.168.0.0/16 */ ||
|
||||
(x & 0xffff0000) == 0xa9fe0000 /* 169.254.0.0/16 */ ||
|
||||
(x & 0xffc00000) == 0x64400000 /* 100.64.0.0/10 */ ||
|
||||
(x & 0xfffe0000) == 0xc6120000 /* 198.18.0.0/15 */ ||
|
||||
(x & 0xf0000000) == 0xf0000000 /* 240.0.0.0/4 */ ||
|
||||
(x & 0xffffffff) == 0xffffffff /* 255.255.255.255/32 */);
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue