diff options
Diffstat (limited to 'src/sock/sock.cpp')
| -rwxr-xr-x | src/sock/sock.cpp | 593 |
1 files changed, 401 insertions, 192 deletions
diff --git a/src/sock/sock.cpp b/src/sock/sock.cpp index 531ccb9..8f66268 100755 --- a/src/sock/sock.cpp +++ b/src/sock/sock.cpp @@ -5,304 +5,513 @@ #include <errno.h> #include <sys/types.h> #include <unistd.h> + #include "sock.h" -#include "../chat/chat.h" -#include "../chat/user.h" using namespace std; sock::sock() { - this->b_run = true; - this->i_req = 0; - this->i_threads = 0; - this->req_parser = new reqp(); - this->thrd_pool = new pool(); - this->log_daemon = new logd( wrap::CONF->get_elem( "httpd.logging.accessfile" ), - wrap::CONF->get_elem( "httpd.logging.accesslines" ) ); - - pthread_mutex_init( &mut_threads, NULL ); + this->b_run = true; + this->i_req = 0; + this->req_parser = new reqp(); +#ifdef LOGGING + + this->log_daemon = new logd( wrap::CONF->get_elem( "httpd.logging.accessfile" ), + + wrap::CONF->get_elem( "httpd.logging.access_lines" ) ); +#endif +} + +int +sock::_send(socketcontainer *p_sock, const char *sz, int len) +{ + + return send( p_sock->i_sock, sz, len, 0 ); } -sock::~sock() +int +sock::_read(socketcontainer *p_sock, char *sz, int len) { - pthread_mutex_destroy( &mut_threads ); + + return read( p_sock->i_sock, sz, len ); +} + +int +sock::_close(socketcontainer *p_sock) +{ + shutdown( p_sock->i_sock, 2 ); + close ( p_sock->i_sock ); + delete p_sock; } //<<* void -sock::chat_stream( int i_sock, user* p_user, map_string &map_params ) +sock::chat_stream( socketcontainer *p_sock, user *p_user, map<string,string> &map_params ) { - string s_msg( "\n" ); + string s_msg( "\n" ); + + for ( int i = 0; i < PUSHSTR; i++ ) + _send(p_sock,s_msg.c_str(), s_msg.size()); - for ( int i = 0; i < PUSHSTR; i++ ) - send( i_sock, s_msg.c_str(), s_msg.size(), 0 ); + pthread_mutex_t mutex; + pthread_mutex_init( &mutex, NULL ); + pthread_mutex_lock( &mutex ); - pthread_mutex_t mutex; - pthread_mutex_init( &mutex, NULL ); - pthread_mutex_lock( &mutex ); + do + { + s_msg = p_user->get_mess( ); - do + if ( 0 > _send( p_sock, s_msg.c_str(), s_msg.size() ) ) { - s_msg = p_user->get_mess( ); - if ( 0 > send( i_sock, s_msg.c_str(), s_msg.size(), 0 ) ) - p_user->set_online( false ); - pthread_cond_wait( &(p_user->cond_message), &mutex ); + p_user->set_online( false ); + break; } - while( p_user->get_online() ); - pthread_mutex_destroy( &mutex ); - - // if there is still a message to send: - s_msg = p_user->get_mess( ); - if ( ! s_msg.empty() ) - send( i_sock, s_msg.c_str(), s_msg.size(), 0 ); + pthread_cond_wait( &(p_user->cond_message), &mutex ); + } + while( p_user->get_online() ); + + pthread_mutex_destroy( &mutex ); + + // if there is still a message to send: + s_msg = p_user->get_mess( ); + + if ( ! s_msg.empty() ) + _send( p_sock, s_msg.c_str(), s_msg.size()); - // remove the user from its room. - string s_user( p_user->get_name() ); - string s_user_lowercase( p_user->get_lowercase_name() ); - p_user->get_room()->del_elem( s_user_lowercase ); + // remove the user from its room. + string s_user( p_user->get_name() ); + string s_user_lowercase( p_user->get_lowercase_name() ); - // post the room that the user has left the chat. - s_msg = wrap::TIMR->get_time() + " " + p_user->get_room()->del_elem( s_user_lowercase ); + + // post the room that the user has left the chat. + s_msg = wrap::TIMR->get_time() + " " + p_user->get_colored_bold_name() + wrap::CONF->get_elem( "chat.msgs.userleaveschat" ) + "<br>\n"; - p_user->get_room()->msg_post( &s_msg ); - p_user->get_room()->reload_onlineframe(); + p_user->get_room()->msg_post( &s_msg ); + p_user->get_room()->reload_onlineframe(); #ifdef VERBOSE - cout << REMUSER << s_user << endl; + + cout << REMUSER << s_user << endl; #endif - wrap::GCOL->add_user_to_garbage( p_user ); + wrap::GCOL->add_user_to_garbage( p_user ); } //*>> int -sock::make_server_socket( int i_port ) +sock::_make_server_socket( int i_port ) { - size_t sock; - struct sockaddr_in name; + size_t i_sock; + struct sockaddr_in name; - // create the server socket. - sock = socket (PF_INET, SOCK_STREAM, 0); - if (sock < 0) - { - wrap::system_message( SOCKERR ); + // create the server socket. + i_sock = socket (PF_INET, SOCK_STREAM, 0); + if (i_sock < 0) + { + wrap::system_message( SOCKERR ); - if ( ++i_port > MAXPORT ) - exit(-1); + if ( ++i_port > MAXPORT ) + exit(1); - wrap::system_message( SOCKERR ); + wrap::system_message( SOCKERR ); - return make_server_socket( i_port ); - } + return _make_server_socket( i_port ); + } - // give the server socket a name. - name.sin_family = AF_INET; - name.sin_port = htons (i_port); - name.sin_addr.s_addr = htonl (INADDR_ANY); - int optval=1; + // give the server socket a name. + name.sin_family = AF_INET; + name.sin_port = htons(i_port); + name.sin_addr.s_addr = htonl(INADDR_ANY); + int i_optval = 1; - setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (char*)&optval, sizeof(int)); + setsockopt( i_sock, SOL_SOCKET, SO_REUSEADDR, (char*)&i_optval, sizeof(int) ); - if (bind (sock, (struct sockaddr *) &name, sizeof (name)) < 0) - { + if ( bind(i_sock, (struct sockaddr *) &name, sizeof (name)) < 0 ) + { - wrap::system_message( BINDERR ); + wrap::system_message( BINDERR ); - if ( ++i_port > MAXPORT ) - exit(-1); + if ( ++i_port > MAXPORT ) + exit(1); - wrap::system_message( string(SOCKERR) + tool::int2string(i_port) ); + wrap::system_message( string(SOCKERR) + tool::int2string(i_port) ); - return make_server_socket( i_port ); - } + // Rerun recursive. + return _make_server_socket( i_port ); + } - wrap::system_message( SOCKCRT + string("localhost:") + tool::int2string(i_port) ); + wrap::system_message( SOCKCRT + string("localhost:") + tool::int2string(i_port) ); -#ifdef NCURSES - mvprintw( NCUR_PORT_X,NCUR_PORT_Y, "Port: %d ", i_port); - refresh(); -#endif + i_server_port = i_port; + i_server_sock = i_sock; - return sock; + return i_sock; } +string +sock::read_http_line(socketcontainer *p_sock) +{ + string s_line; + int i_total = 0; + int i_read = 0; + char ch; + + do + { + i_read = _read(p_sock, &ch, sizeof(ch)); + + if(i_read <= 0) + return ""; + + s_line += ch; + i_total++; + } + while((ch != '\n') && i_total < MAXLENGTH); + + if(ch != '\n') + /* + ** the games people play + */ + return ""; + + return s_line; +} int -sock::read_write( thrd* p_thrd, int i_sock ) +sock::read_http(socketcontainer *p_sock, char *c_zbuf, int i_buflen, int &i_postpayloadoffset) { - char c_req[READSOCK]; - int i_bytes = read (i_sock, c_req, READSOCK); + /* + ** 1) Read the first line + ** 2) If GET, handle as such + ** 3) If POST, handle as such + */ + char ch; + int i_read; + int i_ret = -1; + int x,z; + + string s_content_length; + string s_cl; + string s_post_return; + string s_line = read_http_line(p_sock); + + i_postpayloadoffset = 0; + if(s_line.length() <= 0) + return -1; - if (i_bytes <= 0) + /* + ** GET yada\r\n Followed by stuff we don't care about :) heh. + ** 01234 + */ + /* + ** POST yada\r\n + ** xxxxx + ** Content-Length: NNN\n + ** \n + */ + if(s_line.substr(0,3) == "GET") + { + if(s_line.length() > i_buflen) { - wrap::system_message( READERR ); + /* + ** Buffer overflow + */ + return -1; } else { - // stores the request params. - map_string map_params; + memcpy(c_zbuf,s_line.c_str(),s_line.length()); + return s_line.length(); + } + } + + else + { + /* + ** POST yada + ** 01234 + */ + if(s_line.substr(0,4) != "POST") + return -1; + + /* + ** Get us to the Content-Length: + */ + s_post_return += s_line; + i_postpayloadoffset += s_line.length(); + + for(x=0 ;x < MAXLINES; x++) + { + s_line = read_http_line(p_sock); + s_post_return += s_line; + i_postpayloadoffset += s_line.length(); + + if (s_line.compare(0, 15, "Content-Length:")) + continue; - // get the s_rep ( s_html response which will be send imediatly to the client - struct sockaddr_in client; - size_t size = sizeof(client); + // Match found on Content-Length:... process, and then break out and get us to the promised land + s_content_length = s_line.substr( 16 /*strlen("Content-Length: ")*/, + s_line.length() - 16 /*strlen("Content-Length: ")*/); - getpeername( i_sock, (struct sockaddr *)&client, &size); + /* + ** Content-Length: 333\n + ** 0123456789abcdefghijklmnopqrstuvwxyzAB + */ - map_params["REMOTE_ADDR"] = inet_ntoa(client.sin_addr); - //map_params["REMOTE_PORT"] = ntohs(client.sin_port); + z = 0; - string s_rep = req_parser->parse( p_thrd, string( c_req ), map_params ); + do + { + ch = s_content_length[z]; + if(isdigit(ch)) + s_cl += ch; - log_daemon->log_access(map_params); + z++; + + } + while(ch != '\n'); + + break; + } - // send s_rep to the client. - send( i_sock, s_rep.c_str(), s_rep.size(), 0 ); + if(s_cl.length() <= 0) + return -1; - // dont need those vals anymore. - map_params.clear(); + z = atoi(s_cl.c_str()); + + /* + ** If we are going to overflow the buffer just by the payload, leave + ** of, if z did not convert correctly. (should have been ok by isdigit) + */ + if(z > i_buflen || z < 0) + return -1; + + /* + ** We have MAXLINES to get to the blank line separating POST data. + */ + for(x=0 ;x < MAXLINES; x++) + { + s_line = read_http_line(p_sock); + s_post_return += s_line; - return 0; + i_postpayloadoffset += s_line.length(); + if(s_line == "\r\n") + break; } - return -1; + /* + ** funny business + */ + if(x == MAXLINES) + return -1; + + for(x=0; x < z; x++) + { + if(_read(p_sock,&ch,sizeof(ch)) != 1) + return -1; + + s_post_return += ch; + } + + if(s_post_return.length() > i_buflen) + return -1; + + memcpy(c_zbuf,s_post_return.c_str(),s_post_return.length()); + return s_post_return.length(); + } +} + +int +sock::read_write(socketcontainer* p_sock) +{ + int i_postpayloadoffset; + int i_sock = p_sock->i_sock; + + char c_req[READSOCK]; + + memset(c_req,0,sizeof(c_req)); + + int i_bytes = read_http(p_sock, c_req, READSOCK-1,i_postpayloadoffset); + + if (i_bytes <= 0) + { + wrap::system_message( READERR ); + } + + else + { + // stores the request params. + map<string,string> map_params; + + // get the s_rep ( s_html response which will be send imediatly to the client + struct sockaddr_in client; + size_t size = sizeof(client); + + getpeername(i_sock, (struct sockaddr *)&client, &size); + + uint32_t &s_addr = client.sin_addr.s_addr; + if ( (map_params["REMOTE_ADDR"] = get_elem(s_addr)) == "" ) + { + map_params["REMOTE_ADDR"] = string(inet_ntoa(client.sin_addr)); + set_elem(map_params["REMOTE_ADDR"], s_addr); + wrap::system_message(SOCKCAC+map_params["REMOTE_ADDR"]); + } + + string s_rep = req_parser->parse(p_sock, string(c_req), map_params, i_postpayloadoffset); + +#ifdef LOGGING + + log_daemon->log_access(map_params); +#endif + + // send s_rep to the client. + _send(p_sock, s_rep.c_str(), s_rep.size()); + + // dont need those vals anymore. + map_params.clear(); + + _close(p_sock); + return 0; + } + + _close(p_sock); + return 1; +} + +void +sock::_main_loop_init() +{ + wrap::system_message(SOCKUNS); +} + +socketcontainer* +sock::_create_container(int &i_sock) +{ + socketcontainer* p_sock = new socketcontainer; + p_sock->i_sock = i_sock; + return p_sock; } int sock::start() { - wrap::system_message( SOCKSRV ); + wrap::system_message( SOCKSRV ); + pool* p_pool = wrap::POOL; + int i_sock = i_server_sock; #ifdef NCURSES - print_hits(); - print_threads(); - thrd_pool->print_pool_size(); + + print_hits(); + p_pool->print_pool_size(); #endif - auto int i_port = tool::string2int( wrap::CONF->get_elem( "httpd.serverport" ) ); + int i_port = tool::string2int( wrap::CONF->get_elem( "httpd.serverport" ) ); + _main_loop_init(); - int sock; - fd_set active_fd_set, read_fd_set; - int i; - struct sockaddr_in clientname; - size_t size; + int i; + fd_set active_fd_set, read_fd_set; + struct sockaddr_in clientname; + size_t size; + if (listen (i_sock, 1) < 0) + { + wrap::system_message( LISTERR ); + exit( EXIT_FAILURE ); + } - // create the server socket and set it up to accept connections. - sock = make_server_socket ( i_port ); + wrap::system_message( SOCKRDY ); - if (listen (sock, 1) < 0) + // initialize the set of active sockets. + FD_ZERO (&active_fd_set); + FD_SET (i_sock, &active_fd_set); + + print_server_port(); + + while( b_run ) + { + // block until input arrives on one or more active sockets. + read_fd_set = active_fd_set; + if (select (FD_SETSIZE, &read_fd_set, NULL, NULL, NULL) < 0) { - wrap::system_message( LISTERR ); + wrap::system_message( SELCERR ); + exit( EXIT_FAILURE ); } - wrap::system_message( SOCKRDY ); - - // initialize the set of active sockets. - FD_ZERO (&active_fd_set); - FD_SET (sock, &active_fd_set); - - while( b_run ) - { - // block until input arrives on one or more active sockets. - read_fd_set = active_fd_set; - if (select (FD_SETSIZE, &read_fd_set, NULL, NULL, NULL) < 0) + // service all the sockets with input pending. + for ( i = 0; i < FD_SETSIZE; i++ ) + if ( FD_ISSET (i, &read_fd_set) ) + { + if ( i == i_sock ) { - wrap::system_message( SELCERR ); + // connection request on original socket. + ++i_req; - exit( EXIT_FAILURE ); - } - - // service all the sockets with input pending. - for ( i = 0; i < FD_SETSIZE; i++ ) - if ( FD_ISSET (i, &read_fd_set) ) - { - if ( i == sock ) - { - // connection request on original socket. - i_req++; #ifdef NCURSES - print_hits(); + + print_hits(); #endif - int new_sock; - size = sizeof (clientname); - new_sock = accept (sock, (struct sockaddr *) &clientname, &size); - - if (new_sock < 0) - { - wrap::system_message( ACCPERR ); - close ( new_sock ); - } - - else - { + + int i_new_sock; + size = sizeof(clientname); + i_new_sock = accept (i_sock, (struct sockaddr *) &clientname, &size); + #ifdef VERBOSE - wrap::system_message(NEWREQU - + tool::int2string(i_req) + " " - + string(inet_ntoa( clientname.sin_addr )) + ":" - + tool::int2string(ntohs ( clientname.sin_port )) - ); + + wrap::system_message(NEWREQU + + tool::int2string(i_req) + " " + + string(inet_ntoa( clientname.sin_addr )) + ":" + + tool::int2string(ntohs ( clientname.sin_port )) + ); #endif - FD_SET (new_sock, &active_fd_set); - } - } - - else - { - thrd_pool->run( (void*) new thrd( i ) ); - FD_CLR( i, &active_fd_set ); - } - } - } -} -void -sock::increase_num_threads() -{ - pthread_mutex_lock( &mut_threads ); - i_threads++; - pthread_mutex_unlock( &mut_threads ); + FD_SET (i_new_sock, &active_fd_set); -#ifdef NCURSES - print_threads(); -#endif + } + else + { + socketcontainer *p_sock = _create_container(i); + p_pool->run( (void*) p_sock ); + FD_CLR( i, &active_fd_set ); + } + } + } } void -sock::decrease_num_threads() +sock::clean_ipcache() { - pthread_mutex_lock( &mut_threads ); - i_threads--; - pthread_mutex_unlock( &mut_threads ); - -#ifdef NCURSES - print_threads(); -#endif + int i_ipcachesize = wrap::CONF->get_int("httpd.ipcachesize"); + int i_currentsize = size(); + + if ( i_currentsize > 0 && (i_ipcachesize == 0 || i_ipcachesize <= i_currentsize) ) + { + wrap::system_message( + SOCKCA2+tool::int2string(i_currentsize)+","+tool::int2string(i_ipcachesize)+")"); + clear(); + } } #ifdef NCURSES void -sock::print_threads() -{ - if ( wrap::NCUR->is_ready() ) - { - mvprintw( NCUR_POOL_RUNNING_X,NCUR_POOL_RUNNING_Y, "In use: %d ", i_threads); - refresh(); - } +sock::print_server_port() { + mvprintw( NCUR_PORT_X,NCUR_PORT_Y, "Port: %d ", i_server_port); + refresh(); } void sock::print_hits() { - if ( wrap::NCUR->is_ready() ) - { - mvprintw( NCUR_HITS_X,NCUR_HITS_Y, "Hits: %d ", i_req); - refresh(); - } + if ( wrap::NCUR->is_ready() ) + { + mvprintw( NCUR_HITS_X,NCUR_HITS_Y, "Hits: %d ", i_req); + refresh(); + } } #endif |
