// Copyright (c) 2017, The Monero Project // // All rights reserved. // // Redistribution and use in source and binary forms, with or without modification, are // permitted provided that the following conditions are met: // // 1. Redistributions of source code must retain the above copyright notice, this list of // conditions and the following disclaimer. // // 2. Redistributions in binary form must reproduce the above copyright notice, this list // of conditions and the following disclaimer in the documentation and/or other // materials provided with the distribution. // // 3. Neither the name of the copyright holder nor the names of its contributors may be // used to endorse or promote products derived from this software without specific // prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "util.h" #include "dns_utils.h" #include "updates.h" #undef MONERO_DEFAULT_LOG_CATEGORY #define MONERO_DEFAULT_LOG_CATEGORY "updates" namespace tools { bool check_updates(const std::string &software, const std::string &buildtag, std::string &version, std::string &hash) { std::vector records; bool found = false; MDEBUG("Checking updates for " << buildtag << " " << software); // All four MoneroPulse domains have DNSSEC on and valid static const std::vector dns_urls = { "updates.moneropulse.org", "updates.moneropulse.net", "updates.moneropulse.co", "updates.moneropulse.se" }; if (!tools::dns_utils::load_txt_records_from_dns(records, dns_urls)) return false; for (const auto& record : records) { std::vector fields; boost::split(fields, record, boost::is_any_of(":")); if (fields.size() != 4) { MWARNING("Updates record does not have 4 fields: " << record); continue; } if (software != fields[0] || buildtag != fields[1]) continue; bool alnum = true; for (auto c: hash) if (!isalnum(c)) alnum = false; if (hash.size() != 64 && !alnum) { MWARNING("Invalid hash: " << hash); continue; } // use highest version if (found) { int cmp = vercmp(version.c_str(), fields[2].c_str()); if (cmp > 0) continue; if (cmp == 0 && hash != fields[3]) MWARNING("Two matches found for " << software << " version " << version << " on " << buildtag); } version = fields[2]; hash = fields[3]; MINFO("Found new version " << version << " with hash " << hash); found = true; } return found; } std::string get_update_url(const std::string &software, const std::string &subdir, const std::string &buildtag, const std::string &version, bool user) { static const char *base = user ? "https://downloads.getmonero.org/" : "http://updates.getmonero.org/"; #ifdef _WIN32 static const char extension[] = ".zip"; #else static const char extension[] = ".tar.bz2"; #endif std::string url; url = base; if (!subdir.empty()) url += subdir + "/"; url = url + software + "-" + buildtag + "-v" + version + extension; return url; } }