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Try to open certificate using cURL callback (allow to load it from BNP and support UTF-8 pathes), issue #261

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kervala 2016-02-20 19:25:31 +01:00
parent 379c8eeb64
commit 0c25d3ecab
1 changed files with 65 additions and 5 deletions
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70
code/ryzom/client/src/http_client_curl.cpp
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@ -15,9 +15,12 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>. // along with this program. If not, see <http://www.gnu.org/licenses/>.
#include "stdpch.h" #include "stdpch.h"
#include <curl/curl.h>
#include "http_client_curl.h" #include "http_client_curl.h"
#include <curl/curl.h>
#include <openssl/ssl.h>
using namespace NLMISC; using namespace NLMISC;
using namespace NLNET; using namespace NLNET;
using namespace std; using namespace std;
@ -58,16 +61,73 @@ bool CCurlHttpClient::authenticate(const std::string &user, const std::string &p
const char *CAFilename = "ssl_ca_cert.pem"; // this is the certificate "Thawte Server CA" const char *CAFilename = "ssl_ca_cert.pem"; // this is the certificate "Thawte Server CA"
static CURLcode sslctx_function(CURL *curl, void *sslctx, void *parm)
{
string path = CPath::lookup(CAFilename);
nldebug("Cert path '%s'", path.c_str());
CIFile file;
if (!file.open(CAFilename))
{
nlwarning("Unable to open %s", CAFilename.c_str());
return CURLE_SSL_CACERT;
}
CURLcode res = CURLE_OK;
std::vector<uint8> buffer(file.getFileSize());
file.serialBuffer(&buffer[0], file.getFileSize());
// get a BIO
BIO *bio = BIO_new_mem_buf(&buffer[0], file.getFileSize());
if (bio)
{
// use it to read the PEM formatted certificate from memory into an X509
// structure that SSL can use
X509 *cert = NULL;
PEM_read_bio_X509(bio, &cert, 0, NULL);
if (cert)
{
// get a pointer to the X509 certificate store (which may be empty!)
X509_STORE *store = SSL_CTX_get_cert_store((SSL_CTX *)sslctx);
// add our certificate to this store
if (X509_STORE_add_cert(store, cert) == 0)
{
nlwarning("Error adding certificate");
res = CURLE_SSL_CACERT;
}
// decrease reference counts
X509_free(cert);
}
else
{
nlwarning("PEM_read_bio_X509 failed...");
res = CURLE_SSL_CACERT;
}
// decrease reference counts
BIO_free(bio);
}
// all set to go
return CURLE_OK ;
}
// *************************************************************************** // ***************************************************************************
bool CCurlHttpClient::verifyServer(bool verify) bool CCurlHttpClient::verifyServer(bool verify)
{ {
curl_easy_setopt(_Curl, CURLOPT_SSL_VERIFYHOST, verify ? 2 : 0); curl_easy_setopt(_Curl, CURLOPT_SSL_VERIFYHOST, verify ? 2 : 0);
curl_easy_setopt(_Curl, CURLOPT_SSL_VERIFYPEER, verify ? 1 : 0); curl_easy_setopt(_Curl, CURLOPT_SSL_VERIFYPEER, verify ? 1 : 0);
curl_easy_setopt(_Curl, CURLOPT_SSLCERTTYPE, "PEM"); curl_easy_setopt(_Curl, CURLOPT_SSLCERTTYPE, "PEM");
//curl_easy_setopt(_Curl, CURLOPT_SSL_CTX_FUNCTION, *sslctx_function); // would allow to provide the CA in memory instead of using CURLOPT_CAINFO, but needs to include and link OpenSSL // would allow to provide the CA in memory instead of using CURLOPT_CAINFO, but needs to include and link OpenSSL
string path = CPath::lookup(CAFilename); curl_easy_setopt(_Curl, CURLOPT_SSL_CTX_FUNCTION, *sslctx_function);
nldebug("cert path '%s'", path.c_str()); // don't use that anymore, because CA can't be loaded from BNP and doesn't support UTF-8 under Windows
curl_easy_setopt(_Curl, CURLOPT_CAINFO, path.c_str()); // curl_easy_setopt(_Curl, CURLOPT_CAINFO, path.c_str());
curl_easy_setopt(_Curl, CURLOPT_CAPATH, NULL); curl_easy_setopt(_Curl, CURLOPT_CAPATH, NULL);
return true; return true;
} }