--- /dev/null
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/cmndline.h>
+
+#include <vector>
+#include <string>
+#include <list>
+#include <sstream>
+
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <unistd.h>
+#include <errno.h>
+#include <time.h>
+#include <stdlib.h>
+
+char const * const httpcodeToStr(int httpcode) { /*{{{*/
+ switch (httpcode) {
+ // Informational 1xx
+ case 100: return "100 Continue";
+ case 101: return "101 Switching Protocols";
+ // Successful 2xx
+ case 200: return "200 OK";
+ case 201: return "201 Created";
+ case 202: return "202 Accepted";
+ case 203: return "203 Non-Authoritative Information";
+ case 204: return "204 No Content";
+ case 205: return "205 Reset Content";
+ case 206: return "206 Partial Conent";
+ // Redirections 3xx
+ case 300: return "300 Multiple Choices";
+ case 301: return "301 Moved Permanently";
+ case 302: return "302 Found";
+ case 303: return "303 See Other";
+ case 304: return "304 Not Modified";
+ case 305: return "304 Use Proxy";
+ case 307: return "307 Temporary Redirect";
+ // Client errors 4xx
+ case 400: return "400 Bad Request";
+ case 401: return "401 Unauthorized";
+ case 402: return "402 Payment Required";
+ case 403: return "403 Forbidden";
+ case 404: return "404 Not Found";
+ case 405: return "405 Method Not Allowed";
+ case 406: return "406 Not Acceptable";
+ case 407: return "Proxy Authentication Required";
+ case 408: return "Request Time-out";
+ case 409: return "Conflict";
+ case 410: return "Gone";
+ case 411: return "Length Required";
+ case 412: return "Precondition Failed";
+ case 413: return "Request Entity Too Large";
+ case 414: return "Request-URI Too Large";
+ case 415: return "Unsupported Media Type";
+ case 416: return "Requested range not satisfiable";
+ case 417: return "Expectation Failed";
+ // Server error 5xx
+ case 500: return "Internal Server Error";
+ case 501: return "Not Implemented";
+ case 502: return "Bad Gateway";
+ case 503: return "Service Unavailable";
+ case 504: return "Gateway Time-out";
+ case 505: return "HTTP Version not supported";
+ }
+ return NULL;
+} /*}}}*/
+void addFileHeaders(std::list<std::string> &headers, FileFd &data) { /*{{{*/
+ std::ostringstream contentlength;
+ contentlength << "Content-Length: " << data.FileSize();
+ headers.push_back(contentlength.str());
+
+ std::string lastmodified("Last-Modified: ");
+ lastmodified.append(TimeRFC1123(data.ModificationTime()));
+ headers.push_back(lastmodified);
+} /*}}}*/
+bool sendHead(int client, int httpcode, std::list<std::string> &headers) { /*{{{*/
+ string response("HTTP/1.1 ");
+ response.append(httpcodeToStr(httpcode));
+ headers.push_front(response);
+
+ headers.push_back("Server: APT webserver");
+
+ std::string date("Date: ");
+ date.append(TimeRFC1123(time(NULL)));
+ headers.push_back(date);
+
+ std::clog << ">>> RESPONSE >>>" << std::endl;
+ bool Success = true;
+ for (std::list<std::string>::const_iterator h = headers.begin();
+ Success == true && h != headers.end(); ++h) {
+ Success &= FileFd::Write(client, h->c_str(), h->size());
+ Success &= FileFd::Write(client, "\r\n", 2);
+ std::clog << *h << std::endl;
+ }
+ Success &= FileFd::Write(client, "\r\n", 2);
+ std::clog << "<<<<<<<<<<<<<<<<" << std::endl;
+ return Success;
+} /*}}}*/
+bool sendFile(int client, FileFd &data) { /*{{{*/
+ bool Success = true;
+ char buffer[500];
+ unsigned long long actual = 0;
+ while ((Success &= data.Read(buffer, sizeof(buffer), &actual)) == true) {
+ if (actual == 0)
+ break;
+ Success &= FileFd::Write(client, buffer, actual);
+ }
+ Success &= FileFd::Write(client, "\r\n", 2);
+ return Success;
+} /*}}}*/
+bool sendData(int client, std::string &data) { /*{{{*/
+ bool Success = true;
+ Success &= FileFd::Write(client, data.c_str(), data.size());
+ Success &= FileFd::Write(client, "\r\n", 2);
+ return Success;
+} /*}}}*/
+void sendError(int client, int httpcode, string request, bool content) { /*{{{*/
+ std::list<std::string> headers;
+ sendHead(client, httpcode, headers);
+ if (content == false)
+ return;
+ string response("<html><head><title>");
+ response.append(httpcodeToStr(httpcode)).append("</title></head>");
+ response.append("<body><h1>").append(httpcodeToStr(httpcode)).append("</h1");
+ response.append("This error is a result of the request: <pre>");
+ response.append(request).append("</pre></body></html>");
+ sendData(client, response);
+} /*}}}*/
+
+int main(int argc, const char *argv[])
+{
+ // create socket, bind and listen to it {{{
+ int sock = socket(AF_INET6, SOCK_STREAM, 0);
+ if(sock < 0 ) {
+ _error->Errno("aptwerbserver", "Couldn't create socket");
+ _error->DumpErrors(std::cerr);
+ return 1;
+ }
+
+ // ensure that we accept all connections: v4 or v6
+ int const iponly = 0;
+ setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &iponly, sizeof(iponly));
+ // to not linger to an address
+ int const enable = 1;
+ setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable));
+
+ struct sockaddr_in6 locAddr;
+ memset(&locAddr, 0, sizeof(locAddr));
+ locAddr.sin6_family = AF_INET6;
+ locAddr.sin6_port = htons(8080);
+ locAddr.sin6_addr = in6addr_any;
+
+ if (bind(sock, (struct sockaddr*) &locAddr, sizeof(locAddr)) < 0) {
+ _error->Errno("aptwerbserver", "Couldn't bind");
+ _error->DumpErrors(std::cerr);
+ return 2;
+ }
+
+ listen(sock, 1);
+ /*}}}*/
+
+ std::vector<std::string> messages;
+ int client;
+ while ((client = accept(sock, NULL, NULL)) != -1) {
+ std::clog << "ACCEPT client " << client << " on socket " << sock << std::endl;
+
+ while (ReadMessages(client, messages)) {
+ for (std::vector<std::string>::const_iterator m = messages.begin();
+ m != messages.end(); ++m) {
+ std::clog << ">>> REQUEST >>>>" << std::endl << *m << std::endl << "<<<<<<<<<<<<<<<<" << std::endl;
+ std::list<std::string> headers;
+ bool sendContent = true;
+ if (strncmp(m->c_str(), "HEAD ", 5) == 0)
+ sendContent = false;
+ if (strncmp(m->c_str(), "GET ", 4) != 0)
+ sendError(client, 501, *m, true);
+
+ std::string host = LookupTag(*m, "Host", "");
+ if (host.empty() == true) {
+ // RFC 2616 ยง14.23 Host
+ sendError(client, 400, *m, sendContent);
+ continue;
+ }
+
+ size_t const filestart = m->find(' ', 5);
+ string filename = m->substr(5, filestart - 5);
+
+ if (RealFileExists(filename) == false)
+ sendError(client, 404, *m, sendContent);
+ else {
+ FileFd data(filename, FileFd::ReadOnly);
+ std::string condition = LookupTag(*m, "If-Modified-Since", "");
+ if (condition.empty() == false) {
+ time_t cache;
+ if (RFC1123StrToTime(condition.c_str(), cache) == true && cache >= data.ModificationTime()) {
+ sendError(client, 304, *m, false);
+ continue;
+ }
+ }
+ addFileHeaders(headers, data);
+ sendHead(client, 200, headers);
+ if (sendContent == true)
+ sendFile(client, data);
+ }
+ }
+ _error->DumpErrors(std::cerr);
+ messages.clear();
+ }
+
+ std::clog << "CLOSE client " << client << " on socket " << sock << std::endl;
+ close(client);
+ }
+ return 0;
+}
projects / apt.git / commitdiff
