diff options
Diffstat (limited to 'test/interactive-helper/aptwebserver.cc')
-rw-r--r-- | test/interactive-helper/aptwebserver.cc | 260 |
1 files changed, 153 insertions, 107 deletions
diff --git a/test/interactive-helper/aptwebserver.cc b/test/interactive-helper/aptwebserver.cc index ff60d64a3..dc17d4991 100644 --- a/test/interactive-helper/aptwebserver.cc +++ b/test/interactive-helper/aptwebserver.cc @@ -23,8 +23,10 @@ #include <dirent.h> #include <signal.h> -char const * const httpcodeToStr(int const httpcode) { /*{{{*/ - switch (httpcode) { +char const * const httpcodeToStr(int const httpcode) /*{{{*/ +{ + switch (httpcode) + { // Informational 1xx case 100: return "100 Continue"; case 101: return "101 Switching Protocols"; @@ -63,6 +65,7 @@ char const * const httpcodeToStr(int const httpcode) { /*{{{*/ case 415: return "415 Unsupported Media Type"; case 416: return "416 Requested range not satisfiable"; case 417: return "417 Expectation Failed"; + case 418: return "418 I'm a teapot"; // Server error 5xx case 500: return "500 Internal Server Error"; case 501: return "501 Not Implemented"; @@ -74,7 +77,8 @@ char const * const httpcodeToStr(int const httpcode) { /*{{{*/ return NULL; } /*}}}*/ -void addFileHeaders(std::list<std::string> &headers, FileFd &data) { /*{{{*/ +void addFileHeaders(std::list<std::string> &headers, FileFd &data) /*{{{*/ +{ std::ostringstream contentlength; contentlength << "Content-Length: " << data.FileSize(); headers.push_back(contentlength.str()); @@ -82,27 +86,17 @@ void addFileHeaders(std::list<std::string> &headers, FileFd &data) { /*{{{*/ std::string lastmodified("Last-Modified: "); lastmodified.append(TimeRFC1123(data.ModificationTime())); headers.push_back(lastmodified); - - std::string const fileext = flExtension(data.Name()); - if (fileext.empty() == false && fileext != data.Name()) { - std::string confcontenttype("aptwebserver::ContentType::"); - confcontenttype.append(fileext); - std::string const contenttype = _config->Find(confcontenttype); - if (contenttype.empty() == false) { - std::string header("Content-Type: "); - header.append(contenttype); - headers.push_back(header); - } - } } /*}}}*/ -void addDataHeaders(std::list<std::string> &headers, std::string &data) {/*{{{*/ +void addDataHeaders(std::list<std::string> &headers, std::string &data) /*{{{*/ +{ std::ostringstream contentlength; contentlength << "Content-Length: " << data.size(); headers.push_back(contentlength.str()); } /*}}}*/ -bool sendHead(int const client, int const httpcode, std::list<std::string> &headers) { /*{{{*/ +bool sendHead(int const client, int const httpcode, std::list<std::string> &headers)/*{{{*/ +{ std::string response("HTTP/1.1 "); response.append(httpcodeToStr(httpcode)); headers.push_front(response); @@ -113,12 +107,11 @@ bool sendHead(int const client, int const httpcode, std::list<std::string> &head date.append(TimeRFC1123(time(NULL))); headers.push_back(date); - headers.push_back("Accept-Ranges: bytes"); - 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 == true && h != headers.end(); ++h) + { Success &= FileFd::Write(client, h->c_str(), h->size()); if (Success == true) Success &= FileFd::Write(client, "\r\n", 2); @@ -130,11 +123,13 @@ bool sendHead(int const client, int const httpcode, std::list<std::string> &head return Success; } /*}}}*/ -bool sendFile(int const client, FileFd &data) { /*{{{*/ +bool sendFile(int const client, FileFd &data) /*{{{*/ +{ bool Success = true; char buffer[500]; unsigned long long actual = 0; - while ((Success &= data.Read(buffer, sizeof(buffer), &actual)) == true) { + while ((Success &= data.Read(buffer, sizeof(buffer), &actual)) == true) + { if (actual == 0) break; if (Success == true) @@ -145,7 +140,8 @@ bool sendFile(int const client, FileFd &data) { /*{{{*/ return Success; } /*}}}*/ -bool sendData(int const client, std::string const &data) { /*{{{*/ +bool sendData(int const client, std::string const &data) /*{{{*/ +{ bool Success = true; Success &= FileFd::Write(client, data.c_str(), data.size()); if (Success == true) @@ -153,7 +149,9 @@ bool sendData(int const client, std::string const &data) { /*{{{*/ return Success; } /*}}}*/ -void sendError(int const client, int const httpcode, std::string const &request, bool content, std::string const &error = "") { /*{{{*/ +void sendError(int const client, int const httpcode, std::string const &request,/*{{{*/ + bool content, std::string const &error = "") +{ std::list<std::string> headers; std::string response("<html><head><title>"); response.append(httpcodeToStr(httpcode)).append("</title></head>"); @@ -168,7 +166,9 @@ void sendError(int const client, int const httpcode, std::string const &request, sendData(client, response); } /*}}}*/ -void sendRedirect(int const client, int const httpcode, std::string const &uri, std::string const &request, bool content) { /*{{{*/ +void sendRedirect(int const client, int const httpcode, std::string const &uri,/*{{{*/ + std::string const &request, bool content) +{ std::list<std::string> headers; std::string response("<html><head><title>"); response.append(httpcodeToStr(httpcode)).append("</title></head>"); @@ -188,8 +188,8 @@ void sendRedirect(int const client, int const httpcode, std::string const &uri, sendData(client, response); } /*}}}*/ -// sendDirectoryLisiting /*{{{*/ -int filter_hidden_files(const struct dirent *a) { +int filter_hidden_files(const struct dirent *a) /*{{{*/ +{ if (a->d_name[0] == '.') return 0; #ifdef _DIRENT_HAVE_D_TYPE @@ -225,13 +225,17 @@ int grouped_alpha_case_sort(const struct dirent **a, const struct dirent **b) { } return strcasecmp((*a)->d_name, (*b)->d_name); } -void sendDirectoryListing(int const client, std::string const &dir, std::string const &request, bool content) { + /*}}}*/ +void sendDirectoryListing(int const client, std::string const &dir, /*{{{*/ + std::string const &request, bool content) +{ std::list<std::string> headers; std::ostringstream listing; struct dirent **namelist; int const counter = scandir(dir.c_str(), &namelist, filter_hidden_files, grouped_alpha_case_sort); - if (counter == -1) { + if (counter == -1) + { sendError(client, 500, request, content); return; } @@ -251,11 +255,14 @@ void sendDirectoryListing(int const client, std::string const &dir, std::string std::string filename(dir); filename.append("/").append(namelist[i]->d_name); stat(filename.c_str(), &fs); - if (S_ISDIR(fs.st_mode)) { + if (S_ISDIR(fs.st_mode)) + { listing << "<tr><td>d</td>" << "<td><a href=\"" << namelist[i]->d_name << "/\">" << namelist[i]->d_name << "</a></td>" << "<td>-</td>"; - } else { + } + else + { listing << "<tr><td>f</td>" << "<td><a href=\"" << namelist[i]->d_name << "\">" << namelist[i]->d_name << "</a></td>" << "<td>" << SizeToStr(fs.st_size) << "B</td>"; @@ -271,7 +278,10 @@ void sendDirectoryListing(int const client, std::string const &dir, std::string sendData(client, response); } /*}}}*/ -bool parseFirstLine(int const client, std::string const &request, std::string &filename, bool &sendContent, bool &closeConnection) { /*{{{*/ +bool parseFirstLine(int const client, std::string const &request, /*{{{*/ + std::string &filename, bool &sendContent, + bool &closeConnection) +{ if (strncmp(request.c_str(), "HEAD ", 5) == 0) sendContent = false; if (strncmp(request.c_str(), "GET ", 4) != 0) @@ -285,7 +295,8 @@ bool parseFirstLine(int const client, std::string const &request, std::string &f for (; request[filestart] == ' '; ++filestart); size_t fileend = request.rfind(' ', lineend); if (lineend == std::string::npos || filestart == std::string::npos || - fileend == std::string::npos || filestart == fileend) { + fileend == std::string::npos || filestart == fileend) + { sendError(client, 500, request, sendContent, "Filename can't be extracted"); return false; } @@ -296,13 +307,15 @@ bool parseFirstLine(int const client, std::string const &request, std::string &f closeConnection = strcasecmp(LookupTag(request, "Connection", "Keep-Alive").c_str(), "Keep-Alive") != 0; else if (strncmp(request.c_str() + httpstart, "HTTP/1.0\r", 9) == 0) closeConnection = strcasecmp(LookupTag(request, "Connection", "Keep-Alive").c_str(), "close") == 0; - else { - sendError(client, 500, request, sendContent, "Not an HTTP/1.{0,1} request"); + else + { + sendError(client, 500, request, sendContent, "Not a HTTP/1.{0,1} request"); return false; } filename = request.substr(filestart, fileend - filestart); - if (filename.find(' ') != std::string::npos) { + if (filename.find(' ') != std::string::npos) + { sendError(client, 500, request, sendContent, "Filename contains an unencoded space"); return false; } @@ -312,7 +325,8 @@ bool parseFirstLine(int const client, std::string const &request, std::string &f if (filename.empty() == true || filename[0] != '/' || strncmp(filename.c_str(), "//", 2) == 0 || filename.find_first_of("\r\n\t\f\v") != std::string::npos || - filename.find("/../") != std::string::npos) { + filename.find("/../") != std::string::npos) + { sendError(client, 400, request, sendContent, "Filename contains illegal character (sequence)"); return false; } @@ -336,7 +350,8 @@ int main(int const argc, const char * argv[]) }; CommandLine CmdL(Args, _config); - if(CmdL.Parse(argc,argv) == false) { + if(CmdL.Parse(argc,argv) == false) + { _error->DumpErrors(); exit(1); } @@ -345,7 +360,8 @@ int main(int const argc, const char * argv[]) // ignore SIGPIPE, this can happen on write() if the socket closes connection signal(SIGPIPE, SIG_IGN); int sock = socket(AF_INET6, SOCK_STREAM, 0); - if(sock < 0 ) { + if(sock < 0) + { _error->Errno("aptwerbserver", "Couldn't create socket"); _error->DumpErrors(std::cerr); return 1; @@ -358,7 +374,7 @@ int main(int const argc, const char * argv[]) // 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 + // to not linger on an address int const enable = 1; setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(enable)); @@ -368,29 +384,66 @@ int main(int const argc, const char * argv[]) locAddr.sin6_port = htons(port); locAddr.sin6_addr = in6addr_any; - if (bind(sock, (struct sockaddr*) &locAddr, sizeof(locAddr)) < 0) { + if (bind(sock, (struct sockaddr*) &locAddr, sizeof(locAddr)) < 0) + { _error->Errno("aptwerbserver", "Couldn't bind"); _error->DumpErrors(std::cerr); return 2; } + FileFd pidfile; + if (_config->FindB("aptwebserver::fork", false) == true) + { + std::string const pidfilename = _config->Find("aptwebserver::pidfile", "aptwebserver.pid"); + int const pidfilefd = GetLock(pidfilename); + if (pidfilefd < 0 || pidfile.OpenDescriptor(pidfilefd, FileFd::WriteOnly) == false) + { + _error->Errno("aptwebserver", "Couldn't acquire lock on pidfile '%s'", pidfilename.c_str()); + _error->DumpErrors(std::cerr); + return 3; + } + + pid_t child = fork(); + if (child < 0) + { + _error->Errno("aptwebserver", "Forking failed"); + _error->DumpErrors(std::cerr); + return 4; + } + else if (child != 0) + { + // successfully forked: ready to serve! + std::string pidcontent; + strprintf(pidcontent, "%d", child); + pidfile.Write(pidcontent.c_str(), pidcontent.size()); + if (_error->PendingError() == true) + { + _error->DumpErrors(std::cerr); + return 5; + } + std::cout << "Successfully forked as " << child << std::endl; + return 0; + } + } + if (simulate_broken_server) { std::clog << "Simulating a broken web server that return nonsense " "for all querries" << std::endl; } else { std::clog << "Serving ANY file on port: " << port << std::endl; } - listen(sock, 1); /*}}}*/ std::vector<std::string> messages; int client; - while ((client = accept(sock, NULL, NULL)) != -1) { + while ((client = accept(sock, NULL, NULL)) != -1) + { std::clog << "ACCEPT client " << client << " on socket " << sock << std::endl; - while (ReadMessages(client, messages)) { + while (ReadMessages(client, messages)) + { bool closeConnection = false; for (std::vector<std::string>::const_iterator m = messages.begin(); m != messages.end() && closeConnection == false; ++m) { @@ -403,7 +456,8 @@ int main(int const argc, const char * argv[]) continue; std::string host = LookupTag(*m, "Host", ""); - if (host.empty() == true) { + if (host.empty() == true) + { // RFC 2616 ยง14.23 requires Host sendError(client, 400, *m, sendContent, "Host header is required"); continue; @@ -414,90 +468,80 @@ int main(int const argc, const char * argv[]) addDataHeaders(headers, data); sendHead(client, 200, headers); sendData(client, data); + continue; } - else if (RealFileExists(filename) == true) { + + // string replacements in the requested filename + ::Configuration::Item const *Replaces = _config->Tree("aptwebserver::redirect::replace"); + if (Replaces != NULL) + { + std::string redirect = "/" + filename; + for (::Configuration::Item *I = Replaces->Child; I != NULL; I = I->Next) + redirect = SubstVar(redirect, I->Tag, I->Value); + redirect.erase(0,1); + if (redirect != filename) + { + sendRedirect(client, 301, redirect, *m, sendContent); + continue; + } + } + + ::Configuration::Item const *Overwrite = _config->Tree("aptwebserver::overwrite"); + if (Overwrite != NULL) + { + for (::Configuration::Item *I = Overwrite->Child; I != NULL; I = I->Next) + { + regex_t *pattern = new regex_t; + int const res = regcomp(pattern, I->Tag.c_str(), REG_EXTENDED | REG_ICASE | REG_NOSUB); + if (res != 0) + { + char error[300]; + regerror(res, pattern, error, sizeof(error)); + sendError(client, 500, *m, sendContent, error); + continue; + } + if (regexec(pattern, filename.c_str(), 0, 0, 0) == 0) + { + filename = _config->Find("aptwebserver::overwrite::" + I->Tag + "::filename", filename); + if (filename[0] == '/') + filename.erase(0,1); + regfree(pattern); + break; + } + regfree(pattern); + } + } + + // deal with the request + if (RealFileExists(filename) == true) + { FileFd data(filename, FileFd::ReadOnly); std::string condition = LookupTag(*m, "If-Modified-Since", ""); - if (condition.empty() == false) { + if (condition.empty() == false) + { time_t cache; if (RFC1123StrToTime(condition.c_str(), cache) == true && - cache >= data.ModificationTime()) { + cache >= data.ModificationTime()) + { sendHead(client, 304, headers); continue; } } - condition = LookupTag(*m, "If-Range", ""); - bool ignoreRange = false; - if (condition.empty() == false) { - time_t cache; - if (RFC1123StrToTime(condition.c_str(), cache) == false || - cache < data.ModificationTime()) - ignoreRange = true; - } - condition = LookupTag(*m, "Range", ""); - if (ignoreRange == false && condition.empty() == false && - strncmp(condition.c_str(), "bytes=", 6) == 0) { - size_t end = condition.find(','); - // FIXME: support multiple byte-ranges - if (end == std::string::npos) { - size_t start = 6; - unsigned long long filestart = strtoull(condition.c_str() + start, NULL, 10); - // FIXME: no fileend support - size_t dash = condition.find('-') + 1; - unsigned long long fileend = strtoull(condition.c_str() + dash, NULL, 10); - unsigned long long filesize = data.FileSize(); - if (fileend == 0 || fileend == filesize) { - if (filesize > filestart) { - data.Skip(filestart); - std::ostringstream contentlength; - contentlength << "Content-Length: " << (filesize - filestart); - headers.push_back(contentlength.str()); - std::ostringstream contentrange; - contentrange << "Content-Range: bytes " << filestart << "-" - << filesize - 1 << "/" << filesize; - headers.push_back(contentrange.str()); - sendHead(client, 206, headers); - if (sendContent == true) - sendFile(client, data); - continue; - } else { - headers.push_back("Content-Length: 0"); - std::ostringstream contentrange; - contentrange << "Content-Range: bytes 0-0/" << filesize; - headers.push_back(contentrange.str()); - sendHead(client, 416, headers); - continue; - } - } - } - } addFileHeaders(headers, data); sendHead(client, 200, headers); if (sendContent == true) sendFile(client, data); } - else if (DirectoryExists(filename) == true) { + else if (DirectoryExists(filename) == true) + { if (filename == "." || filename[filename.length()-1] == '/') sendDirectoryListing(client, filename, *m, sendContent); else sendRedirect(client, 301, filename.append("/"), *m, sendContent); } else - { - ::Configuration::Item const *Replaces = _config->Tree("aptwebserver::redirect::replace"); - if (Replaces != NULL) { - std::string redirect = "/" + filename; - for (::Configuration::Item *I = Replaces->Child; I != NULL; I = I->Next) - redirect = SubstVar(redirect, I->Tag, I->Value); - redirect.erase(0,1); - if (redirect != filename) { - sendRedirect(client, 301, redirect, *m, sendContent); - continue; - } - } sendError(client, 404, *m, sendContent); - } } _error->DumpErrors(std::cerr); messages.clear(); @@ -509,5 +553,7 @@ int main(int const argc, const char * argv[]) << " on socket " << sock << std::endl; close(client); } + pidfile.Close(); + return 0; } |