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| -rw-r--r-- | src/torcontrol.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/torcontrol.cpp b/src/torcontrol.cpp index 0d787d16e6..bc48665f78 100644 --- a/src/torcontrol.cpp +++ b/src/torcontrol.cpp @@ -330,6 +330,10 @@ static std::pair<bool,std::string> ReadBinaryFile(const fs::path &filename, size char buffer[128]; size_t n; while ((n=fread(buffer, 1, sizeof(buffer), f)) > 0) { + // Check for reading errors so we don't return any data if we couldn't + // read the entire file (or up to maxsize) + if (ferror(f)) + return std::make_pair(false,""); retval.append(buffer, buffer+n); if (retval.size() > maxsize) break; |