diff options
| -rw-r--r-- | src/quick/items/qquicktextinput.cpp | 6 | ||||
| -rw-r--r-- | src/quick/items/qquicktextinput_p_p.h | 5 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/quick/items/qquicktextinput.cpp b/src/quick/items/qquicktextinput.cpp index a0ac884fef..aac7137ff3 100644 --- a/src/quick/items/qquicktextinput.cpp +++ b/src/quick/items/qquicktextinput.cpp @@ -1242,6 +1242,12 @@ void QQuickTextInput::setEchoMode(QQuickTextInput::EchoMode echo) d->updateDisplayText(); updateCursorRectangle(); + // If this control is used for password input, we want to minimize + // the possibility of string reallocation not to leak (parts of) + // the password. + if (d->m_echoMode != QQuickTextInput::Normal) + d->m_text.reserve(30); + emit echoModeChanged(echoMode()); } diff --git a/src/quick/items/qquicktextinput_p_p.h b/src/quick/items/qquicktextinput_p_p.h index a2e2f0f66d..7965f3d3f4 100644 --- a/src/quick/items/qquicktextinput_p_p.h +++ b/src/quick/items/qquicktextinput_p_p.h @@ -162,6 +162,11 @@ public: ~QQuickTextInputPrivate() { + // If this control is used for password input, we don't want the + // password data to stay in the process memory, therefore we need + // to zero it out + if (m_echoMode != QQuickTextInput::Normal) + m_text.fill(0); } void init(); |