From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 08 Sep 2026 04:17:01 GMT
Subject: Re: [PATCH 1/3] imap-send: prepare for OpenSSL 4.1
Message-ID: <xmqqfqzkz8aq.fsf@gitster.g>
In-Reply-To: <20260907211210.2621693-2-dev+git@drbeat.li>

Beat Bolli <dev+git@drbeat.li> writes:

> OpenSSL master (to be v4.1 after the release) renamed the function
> ASN1_STRING_length() to ASN1_STRING_get_length(). Map the new name to
> the old one if we're compiling with a pre-4.1 version.
>
> Signed-off-by: Beat Bolli <dev+git@drbeat.li>
> ---
>  imap-send.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/imap-send.c b/imap-send.c
> index 0d16d02029..977d78005c 100644
> --- a/imap-send.c
> +++ b/imap-send.c
> @@ -219,12 +219,17 @@ static int ssl_socket_connect(struct imap_socket *sock UNUSED,
>  
>  #else
>  
> +#if (OPENSSL_VERSION_NUMBER < 0x40100000L)
> +// map to the pre-4.1 name

Style?

> +#define ASN1_STRING_get_length(s) ASN1_STRING_length(s)
> +#endif
> +
>  static int host_matches(const char *host, const ASN1_STRING *asn1_str)
>  {
>  	const char *pattern = (const char *)ASN1_STRING_get0_data(asn1_str);
>  
>  	/* embedded NUL characters may open a security hole */
> -	if (memchr(pattern, '\0', ASN1_STRING_length(asn1_str)))
> +	if (memchr(pattern, '\0', ASN1_STRING_get_length(asn1_str)))
>  	    return 0;
>  
>  	if (pattern[0] == '*' && pattern[1] == '.') {