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authorMarcoFalke <falke.marco@gmail.com>2015-09-09 14:24:56 +0200
committerMarcoFalke <falke.marco@gmail.com>2015-09-16 15:23:29 +0200
commit1c1b1b315f2f89584abe9a7558945dea2fbee708 (patch)
tree80c5e16ed073213d4645f88eb42c398ed194c27f /src/init.cpp
parent536207f3167daad1fa3d60a1de7d9cb55db28ac9 (diff)
[uacomment] Sanitize per BIP-0014
* SanitizeString() can be requested to be more strict * Throw error when SanitizeString() changes uacomments * Fix tests
Diffstat (limited to 'src/init.cpp')
-rw-r--r--src/init.cpp11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/init.cpp b/src/init.cpp
index 5759b4b428..2239cc0724 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -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));