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Add tcp syn packet fingerprinting to redbean

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This change also fixes bugs in enoprotoopt reporting with setsockopt and
getsockopt error returns.
This commit is contained in:
Justine Tunney 2022-07-17 02:40:39 -07:00
parent 866b21a151
commit 4d25f8c3c9
75 changed files with 1551 additions and 115 deletions
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45
net/finger/getosname.c Normal file
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@ -0,0 +1,45 @@
/*-*- 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 2022 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 "libc/nexgen32e/bsr.h"
#include "net/finger/finger.h"
const char *GetOsName(int os) {
if (os) {
switch (bsr(os)) {
case 0:
return "LINUX";
case 1:
return "METAL";
case 2:
return "WINDOWS";
case 3:
return "XNU";
case 4:
return "OPENBSD";
case 5:
return "FREEBSD";
case 6:
return "NETBSD";
default:
return 0;
}
} else {
return 0;
}
}