https://bugs.kde.org/show_bug.cgi?id=380491
Fabian Vogt <fab...@ritter-vogt.de> changed:
What |Removed |Added
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CC| |fab...@ritter-vogt.de
--- Comment #4 from Fabian Vogt <fab...@ritter-vogt.de> ---
I believe I figured out the issue, it's a simple protocol mismatch between
sender and receiver.
The receiver (kcheckpass) reads a string and if it is !nullptr, reads an int:
msg = GRecvStr ();
if (msg && (GRecvInt() & IsPassword) && !*msg)
GRecvStr returns a nullptr if the received string has a length of 0 or malloc
fails.
The sender (kscreenlocker_greet) sends a string and if it is not empty, send an
int:
GSendStr(m_password.toUtf8().constData());
if (!m_password.isEmpty()) {
// IsSecret
GSendInt(1);
}
Obviously that does not match, as an empty string still has a length of 1, so
kcheckpass will not receive the int it expects.
I'll test that and make a patch that cleans it up a bit. Although I'm not quite
sure what "IsSecret" (which should've been "IsPassword" instead, which even has
a different value now!) was originally supposed to mean, I'll leave it as-is.
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