diff options
Diffstat (limited to 'src/network/ssl/qsslsocket_openssl_symbols.cpp')
-rw-r--r-- | src/network/ssl/qsslsocket_openssl_symbols.cpp | 128 |
1 files changed, 64 insertions, 64 deletions
diff --git a/src/network/ssl/qsslsocket_openssl_symbols.cpp b/src/network/ssl/qsslsocket_openssl_symbols.cpp index 2eb9763e90..1fcfdf9f16 100644 --- a/src/network/ssl/qsslsocket_openssl_symbols.cpp +++ b/src/network/ssl/qsslsocket_openssl_symbols.cpp @@ -63,13 +63,11 @@ # include <QtCore/qlibrary.h> #endif #include <QtCore/qmutex.h> -#if QT_CONFIG(thread) -#include <private/qmutexpool_p.h> -#endif #include <QtCore/qdatetime.h> #if defined(Q_OS_UNIX) #include <QtCore/qdir.h> #endif +#include <QtCore/private/qmemory_p.h> #if defined(Q_OS_LINUX) && !defined(Q_OS_ANDROID) #include <link.h> #endif @@ -599,8 +597,8 @@ DEFINEFUNC2(PKCS12 *, d2i_PKCS12_bio, BIO *bio, bio, PKCS12 **pkcs12, pkcs12, re DEFINEFUNC(void, PKCS12_free, PKCS12 *pkcs12, pkcs12, return, DUMMYARG) #define RESOLVEFUNC(func) \ - if (!(_q_##func = _q_PTR_##func(libs.first->resolve(#func))) \ - && !(_q_##func = _q_PTR_##func(libs.second->resolve(#func)))) \ + if (!(_q_##func = _q_PTR_##func(libs.ssl->resolve(#func))) \ + && !(_q_##func = _q_PTR_##func(libs.crypto->resolve(#func)))) \ qsslSocketCannotResolveSymbolWarning(#func); #if !defined QT_LINKED_OPENSSL @@ -736,34 +734,31 @@ static QStringList findAllLibCrypto() # endif #ifdef Q_OS_WIN -static bool tryToLoadOpenSslWin32Library(QLatin1String ssleay32LibName, QLatin1String libeay32LibName, QPair<QSystemLibrary*, QSystemLibrary*> &pair) -{ - pair.first = 0; - pair.second = 0; - QSystemLibrary *ssleay32 = new QSystemLibrary(ssleay32LibName); +struct LoadedOpenSsl { + std::unique_ptr<QSystemLibrary> ssl, crypto; +}; + +static bool tryToLoadOpenSslWin32Library(QLatin1String ssleay32LibName, QLatin1String libeay32LibName, LoadedOpenSsl &result) +{ + auto ssleay32 = qt_make_unique<QSystemLibrary>(ssleay32LibName); if (!ssleay32->load(false)) { - delete ssleay32; return FALSE; } - QSystemLibrary *libeay32 = new QSystemLibrary(libeay32LibName); + auto libeay32 = qt_make_unique<QSystemLibrary>(libeay32LibName); if (!libeay32->load(false)) { - delete ssleay32; - delete libeay32; return FALSE; } - pair.first = ssleay32; - pair.second = libeay32; + result.ssl = std::move(ssleay32); + result.crypto = std::move(libeay32); return TRUE; } -static QPair<QSystemLibrary*, QSystemLibrary*> loadOpenSslWin32() +static LoadedOpenSsl loadOpenSsl() { - QPair<QSystemLibrary*,QSystemLibrary*> pair; - pair.first = 0; - pair.second = 0; + LoadedOpenSsl result; #if QT_CONFIG(opensslv11) // With OpenSSL 1.1 the names have changed to libssl-1_1(-x64) and libcrypto-1_1(-x64), for builds using @@ -776,7 +771,7 @@ static QPair<QSystemLibrary*, QSystemLibrary*> loadOpenSslWin32() #endif // !Q_PROCESSOR_x86_64 tryToLoadOpenSslWin32Library(QLatin1String("libssl-1_1" QT_SSL_SUFFIX), - QLatin1String("libcrypto-1_1" QT_SSL_SUFFIX), pair); + QLatin1String("libcrypto-1_1" QT_SSL_SUFFIX), result); #undef QT_SSL_SUFFIX @@ -785,28 +780,30 @@ static QPair<QSystemLibrary*, QSystemLibrary*> loadOpenSslWin32() // When OpenSSL is built using MSVC then the libraries are named 'ssleay32.dll' and 'libeay32'dll'. // When OpenSSL is built using GCC then different library names are used (depending on the OpenSSL version) // The oldest version of a GCC-based OpenSSL which can be detected by the code below is 0.9.8g (released in 2007) - if (!tryToLoadOpenSslWin32Library(QLatin1String("ssleay32"), QLatin1String("libeay32"), pair)) { - if (!tryToLoadOpenSslWin32Library(QLatin1String("libssl-10"), QLatin1String("libcrypto-10"), pair)) { - if (!tryToLoadOpenSslWin32Library(QLatin1String("libssl-8"), QLatin1String("libcrypto-8"), pair)) { - tryToLoadOpenSslWin32Library(QLatin1String("libssl-7"), QLatin1String("libcrypto-7"), pair); + if (!tryToLoadOpenSslWin32Library(QLatin1String("ssleay32"), QLatin1String("libeay32"), result)) { + if (!tryToLoadOpenSslWin32Library(QLatin1String("libssl-10"), QLatin1String("libcrypto-10"), result)) { + if (!tryToLoadOpenSslWin32Library(QLatin1String("libssl-8"), QLatin1String("libcrypto-8"), result)) { + tryToLoadOpenSslWin32Library(QLatin1String("libssl-7"), QLatin1String("libcrypto-7"), result); } } } #endif // !QT_CONFIG(opensslv11) - return pair; + return result; } #else -static QPair<QLibrary*, QLibrary*> loadOpenSsl() +struct LoadedOpenSsl { + std::unique_ptr<QLibrary> ssl, crypto; +}; + +static LoadedOpenSsl loadOpenSsl() { - QPair<QLibrary*,QLibrary*> pair; + LoadedOpenSsl result = {qt_make_unique<QLibrary>(), qt_make_unique<QLibrary>()}; # if defined(Q_OS_UNIX) - QLibrary *&libssl = pair.first; - QLibrary *&libcrypto = pair.second; - libssl = new QLibrary; - libcrypto = new QLibrary; + QLibrary * const libssl = result.ssl.get(); + QLibrary * const libcrypto = result.crypto.get(); // Try to find the libssl library on the system. // @@ -850,7 +847,7 @@ static QPair<QLibrary*, QLibrary*> loadOpenSsl() libcrypto->setFileNameAndVersion(QLatin1String("crypto"), QLatin1String(SHLIB_VERSION_NUMBER)); if (libcrypto->load() && libssl->load()) { // libssl.so.<SHLIB_VERSION_NUMBER> and libcrypto.so.<SHLIB_VERSION_NUMBER> found - return pair; + return result; } else { libssl->unload(); libcrypto->unload(); @@ -869,7 +866,7 @@ static QPair<QLibrary*, QLibrary*> loadOpenSsl() libssl->setFileNameAndVersion(QLatin1String("ssl"), fallbackSoname); libcrypto->setFileNameAndVersion(QLatin1String("crypto"), fallbackSoname); if (libcrypto->load() && libssl->load()) { - return pair; + return result; } else { libssl->unload(); libcrypto->unload(); @@ -885,11 +882,28 @@ static QPair<QLibrary*, QLibrary*> loadOpenSsl() // macOS's /usr/lib/libssl.dylib, /usr/lib/libcrypto.dylib will be picked up in the third // attempt, _after_ <bundle>/Contents/Frameworks has been searched. // iOS does not ship a system libssl.dylib, libcrypto.dylib in the first place. +# if defined(Q_OS_ANDROID) + // OpenSSL 1.1.x must be suffixed otherwise it will use the system libcrypto.so libssl.so which on API-21 are OpenSSL 1.0 not 1.1 + auto openSSLSuffix = [](const QByteArray &defaultSuffix = {}) { + auto suffix = qgetenv("ANDROID_OPENSSL_SUFFIX"); + if (suffix.isEmpty()) + return defaultSuffix; + return suffix; + }; +# if QT_CONFIG(opensslv11) + static QString suffix = QString::fromLatin1(openSSLSuffix("_1_1")); +# else + static QString suffix = QString::fromLatin1(openSSLSuffix()); +# endif + libssl->setFileNameAndVersion(QLatin1String("ssl") + suffix, -1); + libcrypto->setFileNameAndVersion(QLatin1String("crypto") + suffix, -1); +# else libssl->setFileNameAndVersion(QLatin1String("ssl"), -1); libcrypto->setFileNameAndVersion(QLatin1String("crypto"), -1); +# endif if (libcrypto->load() && libssl->load()) { // libssl.so.0 and libcrypto.so.0 found - return pair; + return result; } else { libssl->unload(); libcrypto->unload(); @@ -914,7 +928,7 @@ static QPair<QLibrary*, QLibrary*> loadOpenSsl() if (libssl->load()) { // libssl.so.x and libcrypto.so.x found - return pair; + return result; } else { libssl->unload(); } @@ -924,41 +938,33 @@ static QPair<QLibrary*, QLibrary*> loadOpenSsl() } // failed to load anything - delete libssl; - delete libcrypto; - libssl = libcrypto = 0; - return pair; + result = {}; + return result; # else // not implemented for this platform yet - return pair; + return result; # endif } #endif +static QBasicMutex symbolResolveMutex; +static QBasicAtomicInt symbolsResolved = Q_BASIC_ATOMIC_INITIALIZER(false); +static bool triedToResolveSymbols = false; + bool q_resolveOpenSslSymbols() { - static bool symbolsResolved = false; - static bool triedToResolveSymbols = false; -#if QT_CONFIG(thread) -#if QT_CONFIG(opensslv11) - QMutexLocker locker(QMutexPool::globalInstanceGet((void *)&q_OPENSSL_init_ssl)); -#else - QMutexLocker locker(QMutexPool::globalInstanceGet((void *)&q_SSL_library_init)); -#endif -#endif - if (symbolsResolved) + if (symbolsResolved.loadAcquire()) + return true; + QMutexLocker locker(&symbolResolveMutex); + if (symbolsResolved.loadRelaxed()) return true; if (triedToResolveSymbols) return false; triedToResolveSymbols = true; -#ifdef Q_OS_WIN - QPair<QSystemLibrary *, QSystemLibrary *> libs = loadOpenSslWin32(); -#else - QPair<QLibrary *, QLibrary *> libs = loadOpenSsl(); -#endif - if (!libs.first || !libs.second) + LoadedOpenSsl libs = loadOpenSsl(); + if (!libs.ssl || !libs.crypto) // failed to load them return false; @@ -1007,8 +1013,6 @@ bool q_resolveOpenSslSymbols() if (!_q_OpenSSL_version) { // Apparently, we were built with OpenSSL 1.1 enabled but are now using // a wrong library. - delete libs.first; - delete libs.second; qCWarning(lcSsl, "Incompatible version of OpenSSL"); return false; } @@ -1130,8 +1134,6 @@ bool q_resolveOpenSslSymbols() // OpenSSL 1.1 has deprecated and removed SSLeay. We consider a failure to // resolve this symbol as a failure to resolve symbols. // The right operand of '||' above is ... a bit of paranoia. - delete libs.first; - delete libs.second; qCWarning(lcSsl, "Incompatible version of OpenSSL"); return false; } @@ -1402,9 +1404,7 @@ bool q_resolveOpenSslSymbols() RESOLVEFUNC(d2i_PKCS12_bio) RESOLVEFUNC(PKCS12_free) - symbolsResolved = true; - delete libs.first; - delete libs.second; + symbolsResolved.storeRelease(true); return true; } #endif // QT_CONFIG(library) |