Add SSL to redbean

Your redbean can now interoperate with clients that require TLS crypto.
This is accomplished using a protocol polyglot that lets us distinguish
between HTTP and HTTPS regardless of the port number. Certificates will
be generated automatically, if none are supplied by the user. Footprint
increases by only a few hundred kb so redbean in MODY=tiny is now 1.0mb

- Add lseek() polyfills for ZIP executable
- Automatically polyfill /tmp/FOO paths on NT
- Fix readdir() / ftw() / nftw() bugs on Windows
- Introduce -B flag for slower SSL that's stronger
- Remove mbedtls features Cosmopolitan doesn't need
- Have base64 decoder support the uri-safe alternative
- Remove Truncated HMAC because it's forbidden by the IETF
- Add all the mbedtls test suites and make them go 3x faster
- Support opendir() / readdir() / closedir() on ZIP executable
- Use Everest for ECDHE-ECDSA because it's so good it's so good
- Add tinier implementation of sha1 since it's not worth the rom
- Add chi-square monte-carlo mean correlation tests for getrandom()
- Source entropy on Windows from the proper interface everyone uses

We're continuing to outperform NGINX and other servers on raw message
throughput. Using SSL means that instead of 1,000,000 qps you can get
around 300,000 qps. However redbean isn't as fast as NGINX yet at SSL
handshakes, since redbean can do 2,627 per second and NGINX does 4.3k

Right now, the SSL UX story works best if you give your redbean a key
signing key since that can be easily generated by openssl using a one
liner then redbean will do all the things that are impossibly hard to
do like signing ecdsa and rsa certificates that'll work in chrome. We
should integrate the let's encrypt acme protocol in the future.

Live Demo: https://redbean.justine.lol/
Root Cert: https://redbean.justine.lol/redbean1.crt

third_party/mbedtls/base64.h

@@ -1,97 +1,15 @@
+#ifndef COSMOPOLITAN_THIRD_PARTY_MBEDTLS_BASE64_H_
+#define COSMOPOLITAN_THIRD_PARTY_MBEDTLS_BASE64_H_
+#include "third_party/mbedtls/config.h"
+COSMOPOLITAN_C_START_
 /* clang-format off */
 
-/**
- * \file base64.h
- *
- * \brief RFC 1521 base64 encoding/decoding
- */
-/*
- *  Copyright The Mbed TLS Contributors
- *  SPDX-License-Identifier: Apache-2.0
- *
- *  Licensed under the Apache License, Version 2.0 (the "License"); you may
- *  not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-#ifndef MBEDTLS_BASE64_H
-#define MBEDTLS_BASE64_H
+#define MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL   -0x002A  /**< Output buffer too small. */
+#define MBEDTLS_ERR_BASE64_INVALID_CHARACTER  -0x002C  /**< Invalid character in input. */
 
-#if !defined(MBEDTLS_CONFIG_FILE)
-#include "third_party/mbedtls/config.h"
-#else
-#include MBEDTLS_CONFIG_FILE
-#endif
+int mbedtls_base64_encode(unsigned char *, size_t, size_t *, const unsigned char *, size_t);
+int mbedtls_base64_decode(unsigned char *, size_t, size_t *, const unsigned char *, size_t);
+int mbedtls_base64_self_test(int);
 
-
-#define MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL               -0x002A  /**< Output buffer too small. */
-#define MBEDTLS_ERR_BASE64_INVALID_CHARACTER              -0x002C  /**< Invalid character in input. */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/**
- * \brief          Encode a buffer into base64 format
- *
- * \param dst      destination buffer
- * \param dlen     size of the destination buffer
- * \param olen     number of bytes written
- * \param src      source buffer
- * \param slen     amount of data to be encoded
- *
- * \return         0 if successful, or MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL.
- *                 *olen is always updated to reflect the amount
- *                 of data that has (or would have) been written.
- *                 If that length cannot be represented, then no data is
- *                 written to the buffer and *olen is set to the maximum
- *                 length representable as a size_t.
- *
- * \note           Call this function with dlen = 0 to obtain the
- *                 required buffer size in *olen
- */
-int mbedtls_base64_encode( unsigned char *dst, size_t dlen, size_t *olen,
-                   const unsigned char *src, size_t slen );
-
-/**
- * \brief          Decode a base64-formatted buffer
- *
- * \param dst      destination buffer (can be NULL for checking size)
- * \param dlen     size of the destination buffer
- * \param olen     number of bytes written
- * \param src      source buffer
- * \param slen     amount of data to be decoded
- *
- * \return         0 if successful, MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL, or
- *                 MBEDTLS_ERR_BASE64_INVALID_CHARACTER if the input data is
- *                 not correct. *olen is always updated to reflect the amount
- *                 of data that has (or would have) been written.
- *
- * \note           Call this function with *dst = NULL or dlen = 0 to obtain
- *                 the required buffer size in *olen
- */
-int mbedtls_base64_decode( unsigned char *dst, size_t dlen, size_t *olen,
-                   const unsigned char *src, size_t slen );
-
-#if defined(MBEDTLS_SELF_TEST)
-/**
- * \brief          Checkup routine
- *
- * \return         0 if successful, or 1 if the test failed
- */
-int mbedtls_base64_self_test( int verbose );
-
-#endif /* MBEDTLS_SELF_TEST */
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* base64.h */
+COSMOPOLITAN_C_END_
+#endif /* COSMOPOLITAN_THIRD_PARTY_MBEDTLS_BASE64_H_ */