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ryzom-core
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Fixed: Simplify certificates management

Browse Source 
--HG--
branch : develop
hg/compatibility-develop
kervala 6 years ago
parent ad98b1414a
commit b86bf43090
6 changed files with 78 additions and 75 deletions
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3
code/nel/include/nel/gui/curl_certificates.h
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@ -27,9 +27,6 @@ namespace NLGUI
class CCurlCertificates
{
public:
// check if compiled with OpenSSL backend
static void init(CURL *curl);
// allow to use custom PEM certificates
static void addCertificateFile(const std::string &cert);

2
code/nel/include/nel/gui/group_html.h
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@ -66,8 +66,6 @@ namespace NLGUI
std::vector< std::string > trustedDomains;
/// Maximum concurrent MultiCurl connections per CGroupHTML instance
sint32 curlMaxConnections;
/// cacert.pem location
std::string curlCABundle;
SWebOptions(): curlMaxConnections(2)
{

121
code/nel/src/gui/curl_certificates.cpp
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@ -40,29 +40,43 @@ namespace NLGUI
class SX509Certificates
{
public:
std::vector<X509 *> CertList;
std::vector<std::string> FilesList;
struct CertEntry
{
X509 *cert;
std::string name;
std::string file;
bool operator == (const std::string &str)
{
return file == str;
}
};
std::vector<CertEntry> CertList;
bool isUsingOpenSSLBackend;
bool isInitialized;
SX509Certificates():isUsingOpenSSLBackend(false), isInitialized(false)
{
init();
}
~SX509Certificates()
{
for (uint i = 0; i < CertList.size(); ++i)
{
X509_free(CertList[i]);
X509_free(CertList[i].cert);
}
CertList.clear();
}
void init(CURL *curl)
void init()
{
if (isInitialized) return;
// init CURL
CURL *curl = curl_easy_init();
if (!curl) return;
// get information on CURL
curl_version_info_data *data = curl_version_info(CURLVERSION_NOW);
@ -98,9 +112,39 @@ namespace NLGUI
isUsingOpenSSLBackend = false;
}
// clean up CURL
curl_easy_cleanup(curl);
isInitialized = true;
}
static std::string getCertName(X509 *cert)
{
// NULL certificate
if (!cert) return "";
X509_NAME *subject = X509_get_subject_name(cert);
std::string name;
unsigned char *tmp = NULL;
// construct a multiline string with name
for (int j = 0, jlen = X509_NAME_entry_count(subject); j < jlen; ++j)
{
X509_NAME_ENTRY *e = X509_NAME_get_entry(subject, j);
ASN1_STRING *d = X509_NAME_ENTRY_get_data(e);
if (ASN1_STRING_to_UTF8(&tmp, d) > 0)
{
name += NLMISC::toString("%s\n", tmp);
OPENSSL_free(tmp);
}
}
return name;
}
#ifdef NL_OS_WINDOWS
void addCertificatesFrom(LPCSTR root)
{
@ -114,38 +158,36 @@ namespace NLGUI
{
x509 = NULL;
x509 = d2i_X509(NULL, (const unsigned char **)&pContext->pbCertEncoded, pContext->cbCertEncoded);
if (x509)
{
CertList.push_back(x509);
CertEntry entry;
entry.cert = x509;
entry.file = root;
entry.name = getCertName(x509);
CertList.push_back(entry);
}
}
CertFreeCertificateContext(pContext);
CertCloseStore(hStore, 0);
}
// this is called before debug context is set and log ends up in log.log
nlinfo("Loaded %d certificates from '%s' certificate store", (int)CertList.size(), root);
//nlinfo("Loaded %d certificates from '%s' certificate store", (int)CertList.size(), root);
}
#endif
void addCertificatesFromFile(const std::string &cert)
{
if (!isUsingOpenSSLBackend) return;
if (!isInitialized)
{
nlwarning("You MUST call NLGUI::CCurlCertificates::init before adding new certificates");
return;
}
if (!isInitialized || !isUsingOpenSSLBackend) return;
// this file was already loaded
if (std::find(FilesList.begin(), FilesList.end(), cert) != FilesList.end()) return;
FilesList.push_back(cert);
if (std::find(CertList.begin(), CertList.end(), cert) != CertList.end()) return;
// look for certificate in search paths
string path = CPath::lookup(cert, false);
nlinfo("Cert path '%s'", path.c_str());
if (path.empty())
{
@ -153,6 +195,8 @@ namespace NLGUI
return;
}
nlinfo("CURL CA bundle '%s'", path.c_str());
CIFile file;
// open certificate
@ -184,7 +228,12 @@ namespace NLGUI
if (itmp && itmp->x509)
{
CertList.push_back(X509_dup(itmp->x509));
CertEntry entry;
entry.cert = X509_dup(itmp->x509);
entry.file = cert;
entry.name = getCertName(entry.cert);
CertList.push_back(entry);
}
}
@ -224,27 +273,10 @@ namespace NLGUI
for (uint i = 0, ilen = x509CertListManager.CertList.size(); i < ilen; ++i)
{
X509_NAME *subject = X509_get_subject_name(x509CertListManager.CertList[i]);
std::string name;
unsigned char *tmp = NULL;
// construct a multiline string with name
for (int j = 0, jlen = X509_NAME_entry_count(subject); j < jlen; ++j)
{
X509_NAME_ENTRY *e = X509_NAME_get_entry(subject, j);
ASN1_STRING *d = X509_NAME_ENTRY_get_data(e);
if (ASN1_STRING_to_UTF8(&tmp, d) > 0)
{
name += NLMISC::toString("%s\n", tmp);
OPENSSL_free(tmp);
}
}
SX509Certificates::CertEntry entry = x509CertListManager.CertList[i];
// add our certificate to this store
if (X509_STORE_add_cert(x509store, x509CertListManager.CertList[i]) == 0)
if (X509_STORE_add_cert(x509store, entry.cert) == 0)
{
uint errCode = ERR_get_error();
@ -252,13 +284,13 @@ namespace NLGUI
if (ERR_GET_LIB(errCode) != ERR_LIB_X509 || ERR_GET_REASON(errCode) != X509_R_CERT_ALREADY_IN_HASH_TABLE)
{
ERR_error_string_n(errCode, errorBuffer, 1024);
nlwarning("Error adding certificate %s: %s", name.c_str(), errorBuffer);
nlwarning("Error adding certificate %s: %s", entry.name.c_str(), errorBuffer);
res = CURLE_SSL_CACERT;
}
}
else
{
nldebug("Added certificate %s", name.c_str());
nldebug("Added certificate %s", entry.name.c_str());
}
}
}
@ -275,13 +307,6 @@ namespace NLGUI
return res;
}
// ***************************************************************************
// static
void CCurlCertificates::init(CURL *curl)
{
x509CertListManager.init(curl);
}
// ***************************************************************************
// static
void CCurlCertificates::addCertificateFile(const std::string &cert)
@ -294,7 +319,7 @@ namespace NLGUI
void CCurlCertificates::useCertificates(CURL *curl)
{
// CURL must be valid, using OpenSSL backend and certificates must be loaded, else return
if (!curl || !x509CertListManager.isUsingOpenSSLBackend || x509CertListManager.CertList.empty()) return;
if (!curl || !x509CertListManager.isInitialized || !x509CertListManager.isUsingOpenSSLBackend || x509CertListManager.CertList.empty()) return;
curl_easy_setopt(curl, CURLOPT_SSLCERTTYPE, "PEM");

12
code/nel/src/gui/group_html.cpp
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@ -398,12 +398,6 @@ namespace NLGUI
// https://
if (toLower(download.url.substr(0, 8)) == "https://")
{
// check if compiled with OpenSSL backend
CCurlCertificates::init(curl);
// specify custom CA certs
CCurlCertificates::addCertificateFile(options.curlCABundle);
// if supported, use custom SSL context function to load certificates
CCurlCertificates::useCertificates(curl);
}
@ -5410,12 +5404,6 @@ namespace NLGUI
// https://
if (toLower(url.substr(0, 8)) == "https://")
{
// check if compiled with OpenSSL backend
CCurlCertificates::init(curl);
// specify custom CA certs
CCurlCertificates::addCertificateFile(options.curlCABundle);
// if supported, use custom SSL context function to load certificates
CCurlCertificates::useCertificates(curl);
}

3
code/ryzom/client/src/http_client_curl.cpp
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@ -71,9 +71,6 @@ bool CCurlHttpClient::verifyServer(bool verify)
curl_easy_setopt(_Curl, CURLOPT_SSL_VERIFYHOST, verify ? 2 : 0);
curl_easy_setopt(_Curl, CURLOPT_SSL_VERIFYPEER, verify ? 1 : 0);
// check if compiled with OpenSSL backend
NLGUI::CCurlCertificates::init(_Curl);
// specify custom CA certs
NLGUI::CCurlCertificates::addCertificateFile(CAFilename);

12
code/ryzom/client/src/interface_v3/interface_manager.cpp
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@ -113,6 +113,8 @@
#include "nel/gui/lua_helper.h"
using namespace NLGUI;
#include "nel/gui/lua_ihm.h"
#include "nel/gui/curl_certificates.h"
#include "lua_ihm_ryzom.h"
#include "add_on_manager.h"
@ -471,15 +473,11 @@ CInterfaceManager::CInterfaceManager()
CGroupHTML::options.appName = getUserAgentName();
CGroupHTML::options.appVersion = getUserAgentVersion();
CGroupHTML::options.curlMaxConnections = ClientCfg.CurlMaxConnections;
if (!ClientCfg.CurlCABundle.empty())
{
string filename = CPath::lookup(ClientCfg.CurlCABundle, false);
if (!filename.empty())
{
filename = CPath::getFullPath(filename, false);
CGroupHTML::options.curlCABundle = filename;
nlinfo("curl ca bundle '%s'", filename.c_str());
}
// specify custom CA certs, lookup will be made in this function
NLGUI::CCurlCertificates::addCertificateFile(ClientCfg.CurlCABundle);
}
NLGUI::CDBManager::getInstance()->resizeBanks( NB_CDB_BANKS );

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