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Secure the testing infrastructure

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Justine Tunney 2021-08-07 13:22:35 -07:00
parent 1f766a332f
commit 0cdba6878b
15 changed files with 354 additions and 71 deletions
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tool/build/lib/psk.c Normal file
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/*-*- 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 "libc/calls/calls.h"
#include "libc/calls/struct/stat.h"
#include "libc/dce.h"
#include "libc/fmt/fmt.h"
#include "libc/log/check.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/sysv/consts/o.h"
#include "tool/build/lib/psk.h"
/**
* Returns preshared key for runit testing infrastructure.
*/
void *GetRunitPsk(void) {
int fd;
struct stat st;
const char *a, *b;
char *r, p[PATH_MAX + 1];
if ((a = getenv("HOME"))) {
b = "";
} else if (IsWindows()) {
a = getenv("HOMEDRIVE");
b = getenv("HOMEPATH");
if (!a || !b) {
a = "C:";
b = "";
}
} else {
fprintf(stderr, "need $HOME\n");
exit(1);
}
snprintf(p, sizeof(p), "%s%s/.runit.psk", a, b);
if (stat(p, &st) == -1 || st.st_size != 32) {
fprintf(stderr, "need o//examples/getrandom.com -bn32 >~/.runit.psk\n");
exit(1);
}
CHECK_NOTNULL((r = malloc(32)));
CHECK_NE(-1, (fd = open(p, O_RDONLY)));
CHECK_EQ(32, read(fd, r, 32));
CHECK_NE(-1, close(fd));
return r;
}