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ircd:Ⓜ️ Stringify request verification into tls buffer.

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This commit is contained in:
Jason Volk 2018-04-02 23:19:33 -07:00
parent b9bb4b4a45
commit a2ecd6339c
1 changed files with 23 additions and 2 deletions
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25
ircd/m/request.cc
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@ -194,9 +194,30 @@ ircd::m::request::verify(const ed25519::pk &pk,
const ed25519::sig &sig)
const
{
const json::strung object
static const size_t request_max
{
*this
1_MiB
};
const size_t request_size
{
json::serialized(*this)
};
const ctx::critical_assertion ca;
thread_local char buf[request_max];
if(unlikely(request_size > sizeof(buf)))
throw m::error
{
http::PAYLOAD_TOO_LARGE, "M_REQUEST_TOO_LARGE",
"The request size %zu bytes exceeds maximum of %zu bytes",
request_size,
request_max
};
const json::object object
{
stringify(mutable_buffer{buf}, *this)
};
return verify(pk, sig, object);