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Sanitize command strings before logging them.

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Normally bitcoin core does not display any network originated strings without
 sanitizing or hex encoding.  This wasn't done for strcommand in many places.

This could be used to play havoc with a terminal displaying the logs,
 especially with printtoconsole in use.

Thanks to Evil-Knievel for reporting this issue.
This commit is contained in:
Gregory Maxwell
2015-02-08 00:59:58 +00:00
parent fb6140b54b
commit 28d4cff0ed
3 changed files with 9 additions and 9 deletions
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2
src/net.cpp
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@@ -1971,7 +1971,7 @@ void CNode::BeginMessage(const char* pszCommand) EXCLUSIVE_LOCK_FUNCTION(cs_vSen
ENTER_CRITICAL_SECTION(cs_vSend);
assert(ssSend.size() == 0);
ssSend << CMessageHeader(pszCommand, 0);
LogPrint("net", "sending: %s ", pszCommand);
LogPrint("net", "sending: %s ", SanitizeString(pszCommand));
}
void CNode::AbortMessage() UNLOCK_FUNCTION(cs_vSend)