mirror of
https://github.com/jart/cosmopolitan.git
synced 2026-11-07 17:22:16 -10:00
Justine Tunney
5ddb5c2ada
- Open flags (e.g. O_CREAT) are now constants - Error numbers (e.g. EINVAL) are now constants - Signal numbers (e.g. SIGINT) are now constants - fcntl() file locks now work properly on Windows - Significantly improve Windows path handling code - Implement true vfork() on Windows and make fork() faster - Implement scanf %[charset] support and improve conformance - Introduce $COSMOSDRIVE so you can use Windows 11 dev drives - Fix stdio seek/tell bug and make stdio locks faster and safer - Change TLS ABI to use tlscc wrapper that inserts function calls - Make malloc() faster on all platforms using new cosmo_shard() api - Make malloc() fast like tcmalloc on Linux using restartable sequences - Improve fsync() and fdatasync() polyfills so they abstract robustness - Fix CLOCK_BOOTTIME and CLOCK_MONOTONIC on XNU so it reflects uptime - Fix bugs in Windows overlapped code that could possibly cause crash - Fix bugs in Windows signal code that could possibly cause crash - Make symlinks with multiple components work right on Windows - Add FreeBSD ELF note to remove SIGBUS issue and other quirks - Support symlinks on Windows under non-administrator accounts - Make kisdangerous() scalable by adding radix trie to mmap() - Make large realloc() operations zero-cost on all platforms - Fix bugs in readdir() on Windows where d_reclen wasn't set - Make all system call wrappers memory safe (raises EFAULT) - Fix bugs in poll() and select() on Windows with 64+ fds - Fix bug in madvise() on Windows that could cause crash - Support WUNTRACED, SIGSTOP, and SIGCONT on Windows - Increase x86 image base from 0x400000 to 0x4200000 - Introduce -msysv and -mtinylinux flags to cosmocc - Fix issues with siglongjmp() on XNU and NetBSD - Make pthread_barrier_wait() work correctly - Make clock_gettime() faster on FreeBSD ARM - Support file mode bits better on Windows - Improve performance of string libraries - Raise EILSEQ when creating evil paths - Fix std::terminate to not use malloc - Modernize more c11 and c23 features - Make pthread_once() exception safe - Support RLIMIT_CPU on Windows - Introduce HACL* cryptography - Introduce cosmopolitan make - Introduce fasterzip program - Introduce open_memstream() - Introduce dedupe program - Introduce arc4random() - Introduce f2fs support
56 lines
3.0 KiB
C
56 lines
3.0 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/str/slice.h"
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#include "net/https/https.h"
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bool32 CertHasHost(const mbedtls_x509_crt *cert, const void *s, size_t n) {
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const mbedtls_x509_sequence *cur;
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if (!cert || !s || !n)
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return false;
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for (cur = &cert->subject_alt_names; cur; cur = cur->next) {
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if ((cur->buf.tag & MBEDTLS_ASN1_TAG_VALUE_MASK) ==
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MBEDTLS_X509_SAN_DNS_NAME) {
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if (!cur->buf.p || cur->buf.len < 1)
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continue;
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if (cur->buf.len > 2 && cur->buf.p[0] == '*' && cur->buf.p[1] == '.') {
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// handle subject alt name like *.foo.com
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// - match examples
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// - bar.foo.com
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// - zoo.foo.com
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// - does not match
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// - foo.com
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// - zoo.bar.foo.com
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if (n > cur->buf.len - 1 &&
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SlicesEqualCase((char *)s + (n - (cur->buf.len - 1)),
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cur->buf.len - 1, cur->buf.p + 1,
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cur->buf.len - 1) &&
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!memchr(s, '.', n - (cur->buf.len - 1))) {
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return true;
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}
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} else {
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// handle subject alt name like foo.com
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if (SlicesEqualCase(s, n, cur->buf.p, cur->buf.len)) {
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return true;
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}
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}
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}
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}
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return false;
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}
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