+#include <config.h>
+
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/error.h>
#include <apt-pkg/cmndline.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/init.h>
#include <vector>
#include <string>
#include <sys/socket.h>
#include <sys/types.h>
+#include <sys/stat.h>
#include <netinet/in.h>
#include <unistd.h>
#include <errno.h>
#include <time.h>
#include <stdlib.h>
+#include <dirent.h>
-char const * const httpcodeToStr(int httpcode) { /*{{{*/
+char const * const httpcodeToStr(int const httpcode) { /*{{{*/
switch (httpcode) {
// Informational 1xx
case 100: return "100 Continue";
case 505: return "HTTP Version not supported";
}
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());
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 ");
+}
+ /*}}}*/
+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) { /*{{{*/
+ std::string response("HTTP/1.1 ");
response.append(httpcodeToStr(httpcode));
headers.push_front(response);
Success &= FileFd::Write(client, "\r\n", 2);
std::clog << "<<<<<<<<<<<<<<<<" << std::endl;
return Success;
-} /*}}}*/
-bool sendFile(int client, FileFd &data) { /*{{{*/
+}
+ /*}}}*/
+bool sendFile(int const client, FileFd &data) { /*{{{*/
bool Success = true;
char buffer[500];
unsigned long long actual = 0;
}
Success &= FileFd::Write(client, "\r\n", 2);
return Success;
-} /*}}}*/
-bool sendData(int client, std::string &data) { /*{{{*/
+}
+ /*}}}*/
+bool sendData(int const client, std::string const &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) { /*{{{*/
+}
+ /*}}}*/
+void sendError(int const client, int const httpcode, std::string const &request, bool content) { /*{{{*/
std::list<std::string> headers;
- sendHead(client, httpcode, headers);
- if (content == false)
- return;
- string response("<html><head><title>");
+ std::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);
-} /*}}}*/
+ addDataHeaders(headers, response);
+ sendHead(client, httpcode, headers);
+ if (content == true)
+ sendData(client, response);
+}
+ /*}}}*/
+// sendDirectoryLisiting /*{{{*/
+int filter_hidden_files(const struct dirent *a) {
+ if (a->d_name[0] == '.')
+ return 0;
+#ifdef _DIRENT_HAVE_D_TYPE
+ // if we have the d_type check that only files and dirs will be included
+ if (a->d_type != DT_UNKNOWN &&
+ a->d_type != DT_REG &&
+ a->d_type != DT_LNK && // this includes links to regular files
+ a->d_type != DT_DIR)
+ return 0;
+#endif
+ return 1;
+}
+int grouped_alpha_case_sort(const struct dirent **a, const struct dirent **b) {
+#ifdef _DIRENT_HAVE_D_TYPE
+ if ((*a)->d_type == DT_DIR && (*b)->d_type == DT_DIR);
+ else if ((*a)->d_type == DT_DIR && (*b)->d_type == DT_REG)
+ return -1;
+ else if ((*b)->d_type == DT_DIR && (*a)->d_type == DT_REG)
+ return 1;
+ else
+#endif
+ {
+ struct stat f_prop; //File's property
+ stat((*a)->d_name, &f_prop);
+ int const amode = f_prop.st_mode;
+ stat((*b)->d_name, &f_prop);
+ int const bmode = f_prop.st_mode;
+ if (S_ISDIR(amode) && S_ISDIR(bmode));
+ else if (S_ISDIR(amode))
+ return -1;
+ else if (S_ISDIR(bmode))
+ return 1;
+ }
+ return strcasecmp((*a)->d_name, (*b)->d_name);
+}
+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) {
+ sendError(client, 500, request, content);
+ return;
+ }
-int main(int argc, const char *argv[])
+ listing << "<html><head><title>Index of " << dir << "</title>"
+ << "<style type=\"text/css\"><!-- td {padding: 0.02em 0.5em 0.02em 0.5em;}"
+ << "tr:nth-child(even){background-color:#dfdfdf;}"
+ << "h1, td:nth-child(3){text-align:center;}"
+ << "table {margin-left:auto;margin-right:auto;} --></style>"
+ << "</head>" << std::endl
+ << "<body><h1>Index of " << dir << "</h1>" << std::endl
+ << "<table><tr><th>#</th><th>Name</th><th>Size</th><th>Last-Modified</th></tr>" << std::endl;
+ if (dir != ".")
+ listing << "<tr><td>d</td><td><a href=\"..\">Parent Directory</a></td><td>-</td><td>-</td></tr>";
+ for (int i = 0; i < counter; ++i) {
+ struct stat fs;
+ std::string filename(dir);
+ filename.append("/").append(namelist[i]->d_name);
+ stat(filename.c_str(), &fs);
+ listing << "<tr><td>" << ((S_ISDIR(fs.st_mode)) ? 'd' : 'f') << "</td>"
+ << "<td><a href=\"" << namelist[i]->d_name << "\">" << namelist[i]->d_name << "</a></td>";
+ if (S_ISDIR(fs.st_mode))
+ listing << "<td>-</td>";
+ else
+ listing << "<td>" << SizeToStr(fs.st_size) << "B</td>";
+ listing << "<td>" << TimeRFC1123(fs.st_mtime) << "</td></tr>" << std::endl;
+ }
+ listing << "</table></body></html>" << std::endl;
+
+ std::string response(listing.str());
+ addDataHeaders(headers, response);
+ sendHead(client, 200, headers);
+ if (content == true)
+ sendData(client, response);
+}
+ /*}}}*/
+int main(int const argc, const char * argv[])
{
+ CommandLine::Args Args[] = {
+ {0, "simulate-paywall", "aptwebserver::Simulate-Paywall",
+ CommandLine::Boolean},
+ {0, "port", "aptwebserver::port", CommandLine::HasArg},
+ {0,0,0,0}
+ };
+
+ CommandLine CmdL(Args, _config);
+ if(CmdL.Parse(argc,argv) == false) {
+ _error->DumpErrors();
+ exit(1);
+ }
+
// create socket, bind and listen to it {{{
int sock = socket(AF_INET6, SOCK_STREAM, 0);
if(sock < 0 ) {
return 1;
}
+ // get the port
+ int const port = _config->FindI("aptwebserver::port", 8080);
+ bool const simulate_broken_server = _config->FindB("aptwebserver::Simulate-Paywall", false);
+
// ensure that we accept all connections: v4 or v6
int const iponly = 0;
setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, &iponly, sizeof(iponly));
struct sockaddr_in6 locAddr;
memset(&locAddr, 0, sizeof(locAddr));
locAddr.sin6_family = AF_INET6;
- locAddr.sin6_port = htons(8080);
+ locAddr.sin6_port = htons(port);
locAddr.sin6_addr = in6addr_any;
if (bind(sock, (struct sockaddr*) &locAddr, sizeof(locAddr)) < 0) {
return 2;
}
+ 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) {
- std::clog << "ACCEPT client " << client << " on socket " << sock << std::endl;
+ 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::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)
}
size_t const filestart = m->find(' ', 5);
- string filename = m->substr(5, filestart - 5);
+ std::string filename = m->substr(5, filestart - 5);
+ if (filename.empty() == true)
+ filename = ".";
- if (RealFileExists(filename) == false)
- sendError(client, 404, *m, sendContent);
- else {
+ if (simulate_broken_server == true) {
+ std::string data("ni ni ni\n");
+ addDataHeaders(headers, data);
+ sendHead(client, 200, headers);
+ sendData(client, data);
+ }
+ else if (RealFileExists(filename) == true) {
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);
+ if (RFC1123StrToTime(condition.c_str(), cache) == true &&
+ cache >= data.ModificationTime()) {
+ sendHead(client, 304, headers);
continue;
}
}
if (sendContent == true)
sendFile(client, data);
}
+ else if (DirectoryExists(filename) == true) {
+ sendDirectoryListing(client, filename, *m, sendContent);
+ }
+ else
+ sendError(client, 404, *m, false);
}
_error->DumpErrors(std::cerr);
messages.clear();
}
- std::clog << "CLOSE client " << client << " on socket " << sock << std::endl;
+ std::clog << "CLOSE client " << client
+ << " on socket " << sock << std::endl;
close(client);
}
return 0;