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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
81 lines
3.4 KiB
C
81 lines
3.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et 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/cosmo.h"
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#include "libc/limits.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 "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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_Atomic(uint32_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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cosmo_once(&g_ssl_roots.once, InitSslRoots);
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return &g_ssl_roots.chain;
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}
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