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schannel: use Win8 CERT_NAME_SEARCH_ALL_NAMES_FLAG with old SDKs

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Define `CERT_NAME_SEARCH_ALL_NAMES_FLAG` macro if missing.
To allow using a runtime branch regardless of build-time SDK version,
when running on Windows 8+.

In practice it enables this branch for builds using mingw-w64 v3, and
MSVC with Windows SDK <8.

Also reducing build variations.

Follow-up to 29e40a6d8a #4761 #3711
Follow-up to 8996300211 #1325
Follow-up to 172b2beba6 #264 (comment)

Closes #20000
This commit is contained in:
Viktor Szakats 2025-12-16 17:26:46 +01:00
parent 5196abad73
commit 8dadff9434
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GPG key ID: B5ABD165E2AEF201
1 changed files with 4 additions and 6 deletions
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10
lib/vtls/schannel_verify.c
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@ -371,10 +371,12 @@ static DWORD cert_get_name_string(struct Curl_easy *data,
LPTSTR current_pos = NULL;
DWORD i;
/* Offered by mingw-w64 v4+. MS SDK ~10+/~VS2017+. */
#ifdef CERT_NAME_SEARCH_ALL_NAMES_FLAG
/* CERT_NAME_SEARCH_ALL_NAMES_FLAG is available from Windows 8 onwards. */
if(Win8_compat) {
/* Offered by mingw-w64 v4+. MS SDK ~10+/~VS2017+. */
#ifndef CERT_NAME_SEARCH_ALL_NAMES_FLAG
#define CERT_NAME_SEARCH_ALL_NAMES_FLAG 0x2
#endif
/* CertGetNameString will provide the 8-bit character string without
* any decoding */
DWORD name_flags =
@ -387,10 +389,6 @@ static DWORD cert_get_name_string(struct Curl_easy *data,
length);
return actual_length;
}
#else
(void)cert_context;
(void)Win8_compat;
#endif
if(!alt_name_info)
return 0;