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Diffstat (limited to 'test/interactive-helper/aptwebserver.cc')
| -rw-r--r-- | test/interactive-helper/aptwebserver.cc | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/test/interactive-helper/aptwebserver.cc b/test/interactive-helper/aptwebserver.cc new file mode 100644 index 000000000..7a3624b6e --- /dev/null +++ b/test/interactive-helper/aptwebserver.cc @@ -0,0 +1,216 @@ +#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; +} |