mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
0d3c1c8b1a
This change fixes stderr to be unbuffered. Added hardware AES on ARM64 to help safeguard against timing attacks. The curl.com command will be somewhat more pleasant to use.
79 lines
3.3 KiB
C
79 lines
3.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/dirent.h"
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#include "libc/mem/mem.h"
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#include "libc/str/str.h"
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#include "libc/sysv/consts/dt.h"
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#include "libc/sysv/consts/o.h"
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#include "libc/thread/thread.h"
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#include "third_party/mbedtls/x509_crt.h"
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STATIC_YOINK("ssl_root_support");
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#define SSL_ROOT_DIR "/zip/usr/share/ssl/root"
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static struct {
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pthread_once_t once;
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mbedtls_x509_crt chain;
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} g_ssl_roots;
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static void FreeSslRoots(void) {
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mbedtls_x509_crt_free(&g_ssl_roots.chain);
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}
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static void InitSslRoots(void) {
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DIR *dir;
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if (!(dir = opendir(SSL_ROOT_DIR))) {
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perror(SSL_ROOT_DIR);
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return;
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}
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struct dirent *ent;
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while ((ent = readdir(dir))) {
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if (ent->d_type != DT_REG && //
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ent->d_type != DT_UNKNOWN) {
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continue;
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}
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char path[PATH_MAX];
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strlcpy(path, SSL_ROOT_DIR "/", sizeof(path));
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strlcat(path, ent->d_name, sizeof(path));
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uint8_t *data;
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int fd = open(path, O_RDONLY); // punt error to lseek
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size_t size = lseek(fd, 0, SEEK_END); // punt error to calloc
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if ((data = calloc(1, size + 1)) && pread(fd, data, size, 0) == size) {
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if (mbedtls_x509_crt_parse(&g_ssl_roots.chain, data, size + 1)) {
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tinyprint(2, path, ": error loading ssl root\n", NULL);
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}
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} else {
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perror(path);
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}
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free(data);
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close(fd);
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}
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closedir(dir);
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atexit(FreeSslRoots);
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}
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/**
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* Returns singleton of SSL roots stored in /zip/usr/share/ssl/root/...
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*/
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mbedtls_x509_crt *GetSslRoots(void) {
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pthread_once(&g_ssl_roots.once, InitSslRoots);
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return &g_ssl_roots.chain;
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}
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