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Use curl API (versions after 7.56.0) to determine if openssl is in use

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This commit is contained in:
Vincent Sanders 2019-10-01 21:23:35 +01:00
parent 0a3786fed2
commit c9296f79a8
1 changed files with 23 additions and 4 deletions
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27
content/fetchers/curl.c
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@ -1592,6 +1592,18 @@ nserror fetch_curl_register(void)
.finalise = fetch_curl_finalise
};
#if LIBCURL_VERSION_NUM >= 0x073800
/* version 7.56.0 can select which SSL backend to use */
CURLsslset setres;
setres = curl_global_sslset(CURLSSLBACKEND_OPENSSL, NULL, NULL);
if (setres == CURLSSLSET_OK) {
curl_with_openssl = true;
} else {
curl_with_openssl = false;
}
#endif
NSLOG(netsurf, INFO, "curl_version %s", curl_version());
code = curl_global_init(CURL_GLOBAL_ALL);
@ -1673,17 +1685,24 @@ nserror fetch_curl_register(void)
SETOPT(CURLOPT_CAPATH, nsoption_charp(ca_path));
}
/* Detect whether the SSL CTX function API works */
code = curl_easy_setopt(fetch_blank_curl,
CURLOPT_SSL_CTX_FUNCTION, NULL);
#if LIBCURL_VERSION_NUM < 0x073800
/*
* before 7.56.0 Detect openssl from whether the SSL CTX
* function API works
*/
code = curl_easy_setopt(fetch_blank_curl, CURLOPT_SSL_CTX_FUNCTION, NULL);
if (code != CURLE_OK) {
curl_with_openssl = false;
} else {
curl_with_openssl = true;
}
#endif
if (curl_with_openssl) {
/* only set the cipher list with openssl otherwise the
* fetch fails with "Unknown cipher in list"
*/
SETOPT(CURLOPT_SSL_CIPHER_LIST, CIPHER_LIST);
curl_with_openssl = true;
}
NSLOG(netsurf, INFO, "cURL %slinked against openssl",