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-rw-r--r--src/init.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/init.cpp b/src/init.cpp
index c92e9a7692..ef1c39db25 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1020,6 +1020,13 @@ 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>());
+ 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));
+ }
+
if (mapArgs.count("-onlynet")) {
std::set<enum Network> nets;
BOOST_FOREACH(const std::string& snet, mapMultiArgs["-onlynet"]) {