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Use SSL_MODE_RELEASE_BUFFERS in QSslSocket

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If SSL_MODE_RELEASE_BUFFERS is available we should tell OpenSSL
to release memory early.
http://www.openssl.org/docs/ssl/SSL_CTX_set_mode.html

Task-number: QTBUG-14985
Change-Id: Ib6656ebb3c4d67ca868b317ee83ddbf0983953f9
Reviewed-by: Richard J. Moore <rich@kde.org>
Reviewed-by: Shane Kearns <shane.kearns@accenture.com>
Reviewed-by: Markus Goetz <markus@woboq.com>
This commit is contained in:
Martin Petersson 2012-03-07 16:17:11 +01:00 committed by Qt by Nokia
parent 7e53debcf2
commit 47a62485c0
2 changed files with 8 additions and 0 deletions
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7
src/network/ssl/qsslsocket_openssl.cpp
View File

@ -338,6 +338,13 @@ init_context:
long options = setupOpenSslOptions(configuration.protocol, configuration.sslOptions);
q_SSL_CTX_set_options(ctx, options);
#if OPENSSL_VERSION_NUMBER >= 0x10000000L
// Tell OpenSSL to release memory early
// http://www.openssl.org/docs/ssl/SSL_CTX_set_mode.html
if (q_SSLeay() >= 0x10000000L)
q_SSL_CTX_set_mode(ctx, SSL_MODE_RELEASE_BUFFERS);
#endif
// Initialize ciphers
QByteArray cipherString;
int first = true;

1
src/network/ssl/qsslsocket_openssl_symbols_p.h
View File

@ -411,6 +411,7 @@ DSA *q_d2i_DSAPrivateKey(DSA **a, unsigned char **pp, long length);
bp,(char *)x,enc,kstr,klen,cb,u)
#endif
#define q_SSL_CTX_set_options(ctx,op) q_SSL_CTX_ctrl((ctx),SSL_CTRL_OPTIONS,(op),NULL)
#define q_SSL_CTX_set_mode(ctx,op) q_SSL_CTX_ctrl((ctx),SSL_CTRL_MODE,(op),NULL)
#define q_SKM_sk_num(type, st) ((int (*)(const STACK_OF(type) *))q_sk_num)(st)
#define q_SKM_sk_value(type, st,i) ((type * (*)(const STACK_OF(type) *, int))q_sk_value)(st, i)
#define q_sk_GENERAL_NAME_num(st) q_SKM_sk_num(GENERAL_NAME, (st))