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util: Don't allow base58-decoding of std::string:s containing non-base58 characters

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practicalswift
2019-12-11 11:00:52 +00:00
parent ff7a999226
commit d945c6f5e6
3 changed files with 20 additions and 1 deletions
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3
src/util/strencodings.cpp
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@@ -4,6 +4,7 @@
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <util/strencodings.h>
#include <util/string.h>
#include <tinyformat.h>
@@ -269,7 +270,7 @@ NODISCARD static bool ParsePrechecks(const std::string& str)
return false;
if (str.size() >= 1 && (IsSpace(str[0]) || IsSpace(str[str.size()-1]))) // No padding allowed
return false;
if (str.size() != strlen(str.c_str())) // No embedded NUL characters allowed
if (!ValidAsCString(str)) // No embedded NUL characters allowed
return false;
return true;
}