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Problem: ZMQ_METADATA setsockopt ignores length and assumes nUL-terminated string

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Solution: use length too
This commit is contained in:
Luca Boccassi 2020-08-22 17:00:57 +01:00
parent 241240b79f
commit 2fb04c1018
1 changed files with 2 additions and 1 deletions
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3
src/options.cpp
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@ -761,7 +761,8 @@ int zmq::options_t::setsockopt (int option_,
case ZMQ_METADATA:
if (optvallen_ > 0 && !is_int) {
const std::string s (static_cast<const char *> (optval_));
const std::string s (static_cast<const char *> (optval_),
optvallen_);
const size_t pos = s.find (':');
if (pos != std::string::npos && pos != 0
&& pos != s.length () - 1) {