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openssl: add CURL_BORINGSSL_VERSION to identify BoringSSL

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BoringSSL doesn't keep a version number, and doesn't self-identify itself
via any other revision number via its own headers. We can identify
BoringSSL revisions by their commit hash. This hash is typically known by
the builder. This patch adds a way to pass this hash to libcurl, so that
it can display in the curl version string:

For example:

`CFLAGS=-DCURL_BORINGSSL_VERSION="c239ffd0"`

```
curl 7.84.0 (x86_64-w64-mingw32) libcurl/7.84.0 BoringSSL/c239ffd0 (Schannel) zlib/1.2.12 [...]
Release-Date: 2022-06-27
Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap ldaps mqtt pop3 [...]
Features: alt-svc AsynchDNS brotli gsasl HSTS HTTP2 HTTP3 HTTPS-proxy IDN IPv6 Kerberos [...]
```

The setting is optional, and if not passed, BoringSSL will appear without
a version number, like before this patch.

Closes #9113
This commit is contained in:
Viktor Szakats 2022-07-08 10:10:04 +00:00
parent 30c862513d
commit 9153ba708b
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GPG Key ID: B5ABD165E2AEF201
1 changed files with 6 additions and 0 deletions
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6
lib/vtls/openssl.c
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@ -4454,7 +4454,13 @@ static size_t ossl_version(char *buffer, size_t size)
(LIBRESSL_VERSION_NUMBER>>12)&0xff);
#endif
#elif defined(OPENSSL_IS_BORINGSSL)
#ifdef CURL_BORINGSSL_VERSION
return msnprintf(buffer, size, "%s/%s",
OSSL_PACKAGE,
CURL_BORINGSSL_VERSION);
#else
return msnprintf(buffer, size, OSSL_PACKAGE);
#endif
#elif defined(HAVE_OPENSSL_VERSION) && defined(OPENSSL_VERSION_STRING)
return msnprintf(buffer, size, "%s/%s",
OSSL_PACKAGE, OpenSSL_version(OPENSSL_VERSION_STRING));