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// Host Update |
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// |
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// Douglas Thrift |
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// |
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// $Id$ |
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|
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#include "HostUpdate.hpp" |
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#include "Host.hpp" |
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|
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#ifndef _WIN32 |
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|
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extern "C" |
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{ |
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#include <resolv.h> |
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} |
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|
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#else |
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|
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#include <windows.h> |
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|
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#endif |
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|
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int main(int argc, char* argv[]) |
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{ |
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#ifndef _WIN32 |
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res_init(); |
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|
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for (short index(0); index < MAXNS; ++index) |
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{ |
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if (index + 1 < MAXNS) |
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{ |
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memcpy(&_res.nsaddr_list[index].sin_addr, |
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&_res.nsaddr_list[index + 1].sin_addr, sizeof(in_addr_t)); |
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} |
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else |
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{ |
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memset(&_res.nsaddr_list[index].sin_addr, 0, sizeof(in_addr_t)); |
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} |
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} |
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#endif |
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|
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HostUpdate update; |
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|
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return 0; |
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} |
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|
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HostUpdate::HostUpdate() : host(false), name(false), address(false), |
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platform(false), since(false) |
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{ |
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struct stat* hosts = new struct stat; |
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|
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if (stat("hosts", hosts) != 0) |
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{ |
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mkdir("hosts"); |
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} |
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|
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delete [] hosts; |
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|
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string agent = sgetenv("HTTP_USER_AGENT"); |
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string method = sgetenv("REQUEST_METHOD"); |
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|
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parse(method); |
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mode(); |
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|
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if (agent.find("Host Update/") == 0 && method == "POST" && agent.find(" (") |
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!= string::npos && agent.find(") libwww-perl/") != string::npos) |
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{ |
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update(agent); |
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} |
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else if (agent.find("Host Update Sharp/") == 0 && method == "POST" && |
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agent.find(" (") != string::npos && agent.find(')') != string::npos) |
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{ |
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update(agent); |
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} |
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else |
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{ |
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display(); |
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} |
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} |
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|
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void HostUpdate::parse(const string& method) |
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{ |
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string query; |
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|
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if (method == "POST") |
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{ |
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getline(cin, query); |
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} |
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else |
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{ |
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query = sgetenv("QUERY_STRING"); |
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} |
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|
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if (query == "") return; |
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|
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istringstream input(query); |
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|
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do |
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{ |
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string name, value; |
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|
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getline(input, name, '='); |
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getline(input, value, '&'); |
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|
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cgi.insert(pair<string, string>(name, value)); |
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} |
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while (input.good()); |
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} |
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|
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void HostUpdate::mode() |
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{ |
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for (multimap<string, string>::iterator itor(cgi.find("mode")); |
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itor != cgi.upper_bound("mode") && itor != cgi.end(); itor++) |
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{ |
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string mode(itor->second); |
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|
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for (string::iterator itor(mode.begin()); itor != mode.end(); itor++) |
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{ |
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char mode(*itor); |
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|
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switch (mode) |
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{ |
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case 'h': |
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if (!host) host = true; |
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break; |
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case 'n': |
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if (!name) name = true; |
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break; |
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case 'a': |
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if (!address) address = true; |
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break; |
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case 'p': |
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if (!platform) platform = true; |
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break; |
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case 's': |
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if (!since) since = true; |
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break; |
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default: |
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break; |
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} |
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} |
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} |
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|
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if (!host && !name && !address && !platform && !since) host = true, name = |
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true, address = true, platform = true, since = true; |
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} |
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|
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void HostUpdate::update(const string& agent) |
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{ |
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cout << "Content-Type: text/plain\n\n"; |
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|
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multimap<string, string>::iterator itor = cgi.find("host"); |
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|
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if (itor == cgi.end()) return; |
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if (itor->second == "") return; |
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|
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string host(itor->second), name(sgetenv("REMOTE_HOST")), |
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address(sgetenv("REMOTE_ADDR")); |
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|
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string::size_type begin(agent.find('(') + 1), end(agent.rfind(')')); |
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|
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if (begin >= end) return; |
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|
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string platform(agent.substr(begin, end - begin)); |
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|
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Host client(host, name, address, platform), saved(host); |
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|
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if (client != ++saved) client--; |
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|
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display(client); |
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} |
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|
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void HostUpdate::display() |
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{ |
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cout << "Content-Type: text/plain\n\n"; |
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|
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{ |
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bool request(false); |
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|
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for (multimap<string, string>::iterator itor(cgi.find("host")); |
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itor != cgi.upper_bound("host") && itor != cgi.end(); itor++) |
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{ |
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if (!itor->second.empty()) |
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{ |
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Host host(itor->second); |
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|
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display(++host); |
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|
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if (!request) request = true; |
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} |
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} |
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|
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if (request) return; |
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} |
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|
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set<Host> hosts; |
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|
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#ifndef _WIN32 |
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DIR* dir(opendir("hosts")); |
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struct dirent* ent; |
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|
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while ((ent = readdir(dir)) != NULL) |
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{ |
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string file(ent->d_name); |
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|
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if (file == "." || file == "..") continue; |
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|
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Host host(file); |
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|
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hosts.insert(++host); |
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} |
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|
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closedir(dir); |
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#else |
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WIN32_FIND_DATA found; |
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HANDLE find(FindFirstFile("hosts\\*", &found)); |
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|
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do |
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{ |
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string file(found.cFileName); |
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|
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if (file == "." || file == "..") continue; |
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|
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Host host(file); |
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|
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hosts.insert(++host); |
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} |
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while (FindNextFile(find, &found) != 0); |
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|
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FindClose(find); |
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#endif |
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|
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for (set<Host>::iterator itor(hosts.begin()); itor != hosts.end(); itor++) |
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{ |
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display(*itor); |
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} |
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} |
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|
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void HostUpdate::display(const Host& host) |
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{ |
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if (this->host) cout << "host=" << host.getHost() << '\n'; |
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if (name) cout << "name=" << host.getName() << '\n'; |
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if (address) cout << "address=" << host.getAddress() << '\n'; |
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if (platform) cout << "platform=" << host.getPlatform() << '\n'; |
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|
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string name(string("hosts") + slash + host.getHost()); |
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struct stat file; |
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|
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if (since && stat(name.c_str(), &file) == 0) |
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{ |
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char since[20]; |
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|
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strftime(since, 20, "%m/%d/%Y %H:%M:%S", gmtime(&file.st_mtime)); |
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|
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cout << "since=" << since << " GMT\n"; |
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} |
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else if (since) |
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{ |
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char since[20]; |
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time_t now(time(NULL)); |
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|
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strftime(since, 20, "%m/%d/%Y %H:%M:%S", gmtime(&now)); |
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|
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cout << "since=" << since << " GMT\n"; |
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} |
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} |
