return std::string("error");
});
lua.writeFunction("createForward", []() {
- static string allZerosIP("0.0.0.0");
- DNSName rel=s_lua_record_ctx->qname.makeRelative(s_lua_record_ctx->zone);
- // parts is something like ["1", "2", "3", "4", "static"] or
- // ["1", "2", "3", "4"] or ["ip40414243", "ip-addresses", ...]
- auto parts = rel.getRawLabels();
- // Yes, this still breaks if an 1-2-3-4.XXXX is nested too deeply...
- if(parts.size()>=4) {
- try {
- ComboAddress ca(parts[0]+"."+parts[1]+"."+parts[2]+"."+parts[3]);
- return ca.toString();
- } catch (const PDNSException &e) {
- return allZerosIP;
+ static string allZerosIP{"0.0.0.0"};
+ try {
+ DNSName rel{s_lua_record_ctx->qname.makeRelative(s_lua_record_ctx->zone)};
+
+ // parts is something like ["1", "2", "3", "4", "static"] or
+ // ["1", "2", "3", "4"] or ["ip40414243", "ip-addresses", ...]
+ auto parts = rel.getRawLabels();
+ // Yes, this still breaks if an 1-2-3-4.XXXX is nested too deeply...
+ if (parts.size() >= 4) {
+ ComboAddress address(parts[0]+"."+parts[1]+"."+parts[2]+"."+parts[3]);
+ return address.toString();
}
- } else if (!parts.empty()) {
- auto& input = parts.at(0);
+ if (!parts.empty()) {
+ auto& input = parts.at(0);
- // allow a word without - in front, as long as it does not contain anything that could be a number
- size_t nonhexprefix = strcspn(input.c_str(), "0123456789abcdefABCDEF");
- if (nonhexprefix > 0) {
- input = input.substr(nonhexprefix);
- }
+ // allow a word without - in front, as long as it does not contain anything that could be a number
+ size_t nonhexprefix = strcspn(input.c_str(), "0123456789abcdefABCDEF");
+ if (nonhexprefix > 0) {
+ input = input.substr(nonhexprefix);
+ }
- // either hex string, or 12-13-14-15
- vector<string> ip_parts;
-
- stringtok(ip_parts, input, "-");
- unsigned int x1, x2, x3, x4;
- if (ip_parts.size() >= 4) {
- // 1-2-3-4 with any prefix (e.g. ip-foo-bar-1-2-3-4)
- string ret;
- for (size_t index=4; index > 0; index--) {
- auto octet = ip_parts[ip_parts.size() - index];
- try {
- auto octetVal = std::stol(octet);
+ // either hex string, or 12-13-14-15
+ vector<string> ip_parts;
+
+ stringtok(ip_parts, input, "-");
+ if (ip_parts.size() >= 4) {
+ // 1-2-3-4 with any prefix (e.g. ip-foo-bar-1-2-3-4)
+ string ret;
+ for (size_t index=4; index > 0; index--) {
+ auto octet = ip_parts.at(ip_parts.size() - index);
+ auto octetVal = std::stol(octet); // may throw
if (octetVal >= 0 && octetVal <= 255) {
- ret += ip_parts.at(ip_parts.size() - index) + ".";
+ ret += octet + ".";
} else {
return allZerosIP;
}
- } catch (const std::exception &e) {
- return allZerosIP;
}
+ ret.resize(ret.size() - 1); // remove trailing dot after last octet
+ return ret;
}
- ret.resize(ret.size() - 1); // remove trailing dot after last octet
- return ret;
- }
- if(input.length() >= 8) {
- auto last8 = input.substr(input.length()-8);
- if(sscanf(last8.c_str(), "%02x%02x%02x%02x", &x1, &x2, &x3, &x4)==4) {
- return std::to_string(x1) + "." + std::to_string(x2) + "." + std::to_string(x3) + "." + std::to_string(x4);
+ if (input.length() >= 8) {
+ auto last8 = input.substr(input.length()-8);
+ unsigned int part1{0};
+ unsigned int part2{0};
+ unsigned int part3{0};
+ unsigned int part4{0};
+ if (sscanf(last8.c_str(), "%02x%02x%02x%02x", &part1, &part2, &part3, &part4) == 4) {
+ ComboAddress address(std::to_string(part1) + "." + std::to_string(part2) + "." + std::to_string(part3) + "." + std::to_string(part4));
+ return address.toString();
+ }
}
}
+ return allZerosIP;
+ } catch (const PDNSException &e) {
+ return allZerosIP;
}
- return allZerosIP;
});
lua.writeFunction("createForward6", []() {
- DNSName rel=s_lua_record_ctx->qname.makeRelative(s_lua_record_ctx->zone);
- auto parts = rel.getRawLabels();
- if(parts.size()==8) {
- string tot;
- for(int i=0; i<8; ++i) {
- if(i)
- tot.append(1,':');
- tot+=parts[i];
+ static string allZerosIP{"::"};
+ try {
+ DNSName rel{s_lua_record_ctx->qname.makeRelative(s_lua_record_ctx->zone)};
+
+ auto parts = rel.getRawLabels();
+ if (parts.size() == 8) {
+ string tot;
+ for (int chunk = 0; chunk < 8; ++chunk) {
+ if (chunk != 0) {
+ tot.append(1, ':');
+ }
+ tot += parts.at(chunk);
+ }
+ ComboAddress address(tot);
+ return address.toString();
}
- ComboAddress ca(tot);
- return ca.toString();
- }
- else if(parts.size()==1) {
- if (parts[0].find('-') != std::string::npos) {
- boost::replace_all(parts[0],"-",":");
- ComboAddress ca(parts[0]);
- return ca.toString();
- } else {
+ if (parts.size() == 1) {
+ if (parts[0].find('-') != std::string::npos) {
+ std::replace(parts[0].begin(), parts[0].end(), '-', ':');
+ ComboAddress address(parts[0]);
+ return address.toString();
+ }
if (parts[0].size() >= 32) {
auto ippart = parts[0].substr(parts[0].size()-32);
auto fulladdress =
ippart.substr(24, 4) + ":" +
ippart.substr(28, 4);
- ComboAddress ca(fulladdress);
- return ca.toString();
+ ComboAddress address(fulladdress);
+ return address.toString();
}
}
+ return allZerosIP;
+ } catch (const PDNSException &e) {
+ return allZerosIP;
}
-
- return std::string("::");
});
- lua.writeFunction("createReverse6", [](string format, boost::optional<std::unordered_map<string,string>> e){
+ lua.writeFunction("createReverse6", [](const string &format, boost::optional<std::unordered_map<string,string>> excp){
vector<ComboAddress> candidates;
try {
auto labels= s_lua_record_ctx->qname.getRawLabels();
- if(labels.size()<32)
+ if (labels.size()<32) {
return std::string("unknown");
+ }
boost::format fmt(format);
fmt.exceptions( boost::io::all_error_bits ^ ( boost::io::too_many_args_bit | boost::io::too_few_args_bit ) );
string together;
vector<string> quads;
- for(int i=0; i<8; ++i) {
- if(i)
- together+=":";
+ for (int chunk = 0; chunk < 8; ++chunk) {
+ if (chunk != 0) {
+ together += ":";
+ }
string lquad;
- for(int j=0; j <4; ++j) {
- lquad.append(1, labels[31-i*4-j][0]);
- together += labels[31-i*4-j][0];
+ for (int quartet = 0; quartet < 4; ++quartet) {
+ lquad.append(1, labels[31 - chunk * 4 - quartet][0]);
+ together += labels[31 - chunk * 4 - quartet][0];
}
quads.push_back(lquad);
}
- ComboAddress ip6(together,0);
+ ComboAddress ip6(together,0);
- if(e) {
- auto& addrs=*e;
+ if (excp) {
+ auto& addrs=*excp;
for(const auto& addr: addrs) {
// this makes sure we catch all forms of the address
- if(ComboAddress(addr.first,0)==ip6)
+ if (ComboAddress(addr.first, 0) == ip6) {
return addr.second;
+ }
}
}
string dashed=ip6.toString();
boost::replace_all(dashed, ":", "-");
- for(int i=31; i>=0; --i)
- fmt % labels[i];
+ for (int byte = 31; byte >= 0; --byte) {
+ fmt % labels[byte];
+ }
fmt % dashed;
- for(const auto& lquad : quads)
+ for(const auto& lquad : quads) {
fmt % lquad;
+ }
return fmt.str();
}
projects / thirdparty / pdns.git / commitdiff
