cosmopolitan/net/https/getsslroots.c
Justine Tunney 47b3274665 Make improvements
- Add rusage to redbean Lua API
- Add more redbean documentation
- Add pledge() to redbean Lua API
- Polyfill OpenBSD pledge() for Linux
- Increase PATH_MAX limit to 1024 characters
- Untrack sibling processes after fork() on Windows
2022-04-28 09:57:07 -07:00

71 lines
3.1 KiB
C

/*-*- 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/dirent.h"
#include "libc/errno.h"
#include "libc/log/check.h"
#include "libc/log/log.h"
#include "libc/mem/mem.h"
#include "libc/runtime/runtime.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/dt.h"
#include "libc/sysv/consts/o.h"
#include "libc/x/x.h"
#include "net/https/https.h"
#include "third_party/mbedtls/x509_crt.h"
STATIC_YOINK("ssl_root_support");
static void FreeSslRoots(mbedtls_x509_crt *c) {
mbedtls_x509_crt_free(c);
free(c);
}
/**
* Returns singleton of SSL roots stored in /zip/usr/share/ssl/root/...
*/
mbedtls_x509_crt *GetSslRoots(void) {
int fd;
DIR *d;
uint8_t *p;
size_t n, m;
struct dirent *e;
static bool once;
char path[PATH_MAX];
static mbedtls_x509_crt *c;
if (!once) {
if ((c = calloc(1, sizeof(*c)))) {
m = stpcpy(path, "/zip/usr/share/ssl/root/") - path;
if ((d = opendir(path))) {
while ((e = readdir(d))) {
if (e->d_type != DT_REG) continue;
if (m + (n = strlen(e->d_name)) >= ARRAYLEN(path)) continue;
memcpy(path + m, e->d_name, n + 1);
CHECK((p = xslurp(path, &n)));
CHECK_GE(mbedtls_x509_crt_parse(c, p, n + 1), 0, "%s", path);
free(p);
}
closedir(d);
}
__cxa_atexit(FreeSslRoots, c, 0);
}
once = true;
}
return c;
}