highperfocused/bitcoin
1
0
Fork 0
mirror of https://github.com/bitcoin/bitcoin.git synced 2026-01-20 15:19:07 +01:00
Code Issues Packages Projects Releases Wiki Activity

[uacomment] Sanitize per BIP-0014

Browse Source 
* SanitizeString() can be requested to be more strict
* Throw error when SanitizeString() changes uacomments
* Fix tests
This commit is contained in:
MarcoFalke
2015-09-09 14:24:56 +02:00
parent 536207f316
commit 1c1b1b315f
4 changed files with 36 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/init.cpp
View File

@@ -1014,8 +1014,15 @@ bool AppInit2(boost::thread_group& threadGroup, CScheduler& scheduler)
RegisterNodeSignals(GetNodeSignals());
// format user agent, check total size
strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, mapMultiArgs.count("-uacomment") ? mapMultiArgs["-uacomment"] : std::vector<string>());
// sanitize comments per BIP-0014, format user agent and check total size
std::vector<string> uacomments;
BOOST_FOREACH(string cmt, mapMultiArgs["-uacomment"])
{
if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT))
return InitError(strprintf("User Agent comment (%s) contains unsafe characters.", cmt));
uacomments.push_back(SanitizeString(cmt, SAFE_CHARS_UA_COMMENT));
}
strSubVersion = FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, uacomments);
if (strSubVersion.size() > MAX_SUBVERSION_LENGTH) {
return InitError(strprintf("Total length of network version string %i exceeds maximum of %i characters. Reduce the number and/or size of uacomments.",
strSubVersion.size(), MAX_SUBVERSION_LENGTH));