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Migrated user inputs from domain sockets to memfd. (#159)

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This commit is contained in:
Ravin Perera
2020-11-23 21:52:05 +05:30
committed by GitHub
parent bf710c6bde
commit 9c1f62dbde
18 changed files with 512 additions and 527 deletions
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28
src/usr/usr.cpp
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@@ -7,6 +7,7 @@
#include "../crypto.hpp"
#include "../hplog.hpp"
#include "../ledger.hpp"
#include "../util/buffer_store.hpp"
#include "usr.hpp"
#include "user_session_handler.hpp"
#include "user_comm_session.hpp"
@@ -20,6 +21,7 @@ namespace usr
// Holds global connected-users and related objects.
connected_context ctx;
util::buffer_store input_store;
uint64_t metric_thresholds[5];
bool init_success = false;
@@ -30,11 +32,14 @@ namespace usr
int init()
{
metric_thresholds[0] = conf::cfg.pubmaxcpm;
metric_thresholds[1] = 0; // This metric doesn't apply to user context.
metric_thresholds[2] = 0; // This metric doesn't apply to user context.
metric_thresholds[1] = 0; // This metric doesn't apply to user context.
metric_thresholds[2] = 0; // This metric doesn't apply to user context.
metric_thresholds[3] = conf::cfg.pubmaxbadmpm;
metric_thresholds[4] = conf::cfg.pubidletimeout;
if (input_store.init() == -1)
return -1;
// Start listening for incoming user connections.
if (start_listening() == -1)
return -1;
@@ -49,7 +54,10 @@ namespace usr
void deinit()
{
if (init_success)
{
ctx.server->stop();
input_store.deinit();
}
}
/**
@@ -213,8 +221,8 @@ namespace usr
const util::PROTOCOL protocol = (protocol_code == "json" ? util::PROTOCOL::JSON : util::PROTOCOL::BSON);
session.mark_as_verified(); // Mark connection as a verified connection.
session.issued_challenge.clear(); // Remove the stored challenge
session.mark_as_verified(); // Mark connection as a verified connection.
session.issued_challenge.clear(); // Remove the stored challenge
session.uniqueid = pubkey;
// Add the user to the global authed user list
@@ -250,7 +258,7 @@ namespace usr
const char *validate_user_input_submission(const std::string_view user_pubkey, const usr::user_input &umsg,
const uint64_t lcl_seq_no, size_t &total_input_len,
util::rollover_hashset &recent_user_input_hashes,
std::string &hash, std::string &input, uint64_t &max_lcl_seqno)
std::string &hash, util::buffer_view &input, uint64_t &max_lcl_seqno)
{
const std::string sig_hash = crypto::get_hash(umsg.sig);
@@ -270,7 +278,9 @@ namespace usr
std::string nonce;
msg::usrmsg::usrmsg_parser parser(umsg.protocol);
parser.extract_input_container(input, nonce, max_lcl_seqno, umsg.input_container);
std::string input_data;
parser.extract_input_container(input_data, nonce, max_lcl_seqno, umsg.input_container);
// Ignore the input if our ledger has passed the input TTL.
if (max_lcl_seqno <= lcl_seq_no)
@@ -280,7 +290,7 @@ namespace usr
}
// Keep checking the subtotal of inputs extracted so far with the appbill account balance.
total_input_len += input.length();
total_input_len += input_data.length();
if (!verify_appbill_check(user_pubkey, total_input_len))
{
LOG_DEBUG << "User message app bill balance exceeded.";
@@ -292,6 +302,10 @@ namespace usr
// Append the hash of the message signature to get the final hash.
hash.append(sig_hash);
// Copy the input data into the input store.
std::string_view s();
input = input_store.write_buf(input_data.data(), input_data.size());
return NULL; // Success. No reject reason.
}