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#include <errno.h>
#include <gd.h>
#include <map>
#include <pthread.h>
#include <stdlib.h>
#include <string>
#include <string.h>
#include <unistd.h>
#include <vector>
#include <sys/socket.h>
#include <sys/types.h>
#include "error.h"
#include "log.h"
#include "utils.h"
#include "hasher.h"
#include "math.h"
#include "stirrer.h"
#include "random_source.h"
#include "fips140.h"
#include "scc.h"
#include "hasher_type.h"
#include "stirrer_type.h"
#include "pool_crypto.h"
#include "pool.h"
#include "pools.h"
#include "config.h"
#include "encrypt_stream.h"
#include "statistics.h"
#include "statistics_global.h"
#include "statistics_user.h"
#include "users.h"
#include "handle_client.h"
#include "data_store_int.h"
#include "data_logger.h"
#include "graph.h"
#include "http_request_t.h"
#include "http_bundle.h"
#include "http_file.h"
#include "http_file_file.h"
#include "http_file_root.h"
#include "http_file_stats.h"
#include "http_file_404.h"
#include "http_file_version.h"
#include "http_file_graph_data_logger.h"
#include "http_file_logfile.h"
#include "http_file_users.h"
#include "http_server.h"
#include "web_server.h"
typedef struct
{
web_server *p_server;
int fd;
} http_client_t;
void *start_web_server_thread_wrapper(void *p)
{
web_server *ws = reinterpret_cast<web_server *>(p);
ws -> run();
return NULL;
}
void start_web_server(config_t *config, std::vector<client_t *> *clients, pthread_mutex_t *clients_mutex, pools *ppools, statistics_global *ps, fips140 *pfips140, scc *pscc, data_logger *dl, users *pusers)
{
web_server *ws = new web_server(config, clients, clients_mutex, ppools, ps, pfips140, pscc, dl, pusers);
pthread_attr_t attr;
pthread_check(pthread_attr_init(&attr), "pthread_attr_init");
pthread_check(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED), "pthread_attr_setdetachstate");
pthread_t thread;
pthread_check(pthread_create(&thread, &attr, start_web_server_thread_wrapper, ws), "pthread_create");
}
web_server::web_server(config_t *config, std::vector<client_t *> *clients, pthread_mutex_t *clients_mutex, pools *ppools, statistics_global *ps, fips140 *pfips140, scc *pscc, data_logger *dl, users *pusers)
{
fd = start_listen(config -> webserver_interface.c_str(), config -> webserver_port, config -> listen_queue_size);
add_object(new http_file_root());
add_object(new http_file_404());
add_object(new http_file_stats(clients, clients_mutex, ppools, ps, pfips140, pscc));
add_object(new http_file_version());
add_object(new http_file_file("/stylesheet.css", "text/css", WEB_DIR "/stylesheet.css"));
add_object(new http_file_file("/favicon.ico", "image/x-ico", WEB_DIR "/favicon.ico"));
add_object(new http_file_file("/logo.png", "image/png", WEB_DIR "/logo.png"));
add_object(new http_file_graph_data_logger(dl, config -> graph_font));
add_object(new http_file_logfile(ps));
add_object(new http_file_file("/logo-bw.png", "image/png", WEB_DIR "/logo-bw.png"));
add_object(new http_file_file("/logfiles.png", "image/png", WEB_DIR "/logfiles.png"));
add_object(new http_file_file("/statistics.png", "image/png", WEB_DIR "/statistics.png"));
add_object(new http_file_users(pusers));
add_object(new http_file_file("/users.png", "image/png", WEB_DIR "/users.png"));
}
web_server::~web_server()
{
if (fd != -1)
close(fd);
std::map<std::string, http_file *>::iterator it = objects.begin();
while(it != objects.end())
{
delete it -> second;
it++;
}
}
void web_server::add_object(http_file *p)
{
objects.insert(std::pair<std::string, http_file *>(p -> get_url(), p));
}
void * thread_wrapper_http_server(void *thread_data)
{
http_client_t *p_data = reinterpret_cast<http_client_t *>(thread_data);
http_server *hs = new http_server(p_data -> fd);
// get url
std::string url = hs -> get_request_url();
dolog(LOG_INFO, "Processing url: %s", url.c_str());
// get request type
http_request_t request_type = hs -> get_request_type();
// get request_details
http_bundle *request_details = hs -> get_request();
// lookup_url -> file
http_file *obj = p_data -> p_server -> lookup_url(url); // not allocated, don't free it
if (!obj)
{
dolog(LOG_INFO, "URL not found");
obj = p_data -> p_server -> lookup_url("/404.html"); // not allocated, don't free it
}
if (!obj)
dolog(LOG_INFO, "No object applicable found");
else
{
http_bundle *response = obj -> do_request(request_type, url, request_details);
std::vector<std::string> headers;
headers.push_back(("Content-Type: " + obj -> get_meta_type()).c_str());
headers.push_back("Connection: close");
hs -> send_response(200, &headers, response);
delete response;
}
delete request_details;
delete hs;
close(p_data -> fd);
delete p_data;
return NULL;
}
void web_server::run(void)
{
pthread_attr_t attr;
pthread_check(pthread_attr_init(&attr), "pthread_attr_init");
pthread_check(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED), "pthread_attr_setdetachstate");
for(;;)
{
int client_fd = accept(fd, NULL, NULL);
if (client_fd == -1)
{
dolog(LOG_INFO, "web_server: accept failed: %s", strerror(errno));
continue;
}
std::string host = get_endpoint_name(client_fd);
dolog(LOG_INFO, "web_server: connected with %s", host.c_str());
http_client_t *p_client = new http_client_t;
p_client -> p_server = this;
p_client -> fd = client_fd;
pthread_t thread;
pthread_check(pthread_create(&thread, &attr, thread_wrapper_http_server, reinterpret_cast<void *>(p_client)), "pthread_create");
}
}
http_file * web_server::lookup_url(std::string url)
{
size_t parameters_pos = url.find('?');
if (parameters_pos != std::string::npos)
url = url.substr(0, parameters_pos);
std::map<std::string, http_file *>::iterator index = objects.find(url);
if (index != objects.end())
return index -> second;
return NULL;
}
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