int http_serve_file ( http_request *h, const gchar *docroot ) {
gchar *path;
guint fd, status;
path = http_fix_path( h->uri, docroot );
fd = http_open_file( path, &status );
http_add_header( h, "Content-Type", http_mime_type( path ) );
http_send_header( h, status, fd == -1 ? "Not OK" : "OK" );
if ( fd != -1 )
http_sendfile( h, fd );
close(fd);
g_free(path);
return ( fd != -1 );
}
void http_tcpapp(unsigned int idx, char *rx, unsigned int rx_len, unsigned char *tx)
{
unsigned int tx_len;
DEBUGOUT("HTTP: TCP app\n");
switch(http_table[idx].status)
{
case HTTP_CLOSED: //new connection
if(rx_len)
{
if(strncmpi(rx, "GET", 3) == 0)
{
rx += 3+1;
rx_len -= 3+1;
http_sendfile(idx, rx, tx);
}
else if(strncmpi(rx, "POST", 4) == 0)
{
rx += 4+1;
rx_len -= 4+1;
if(strncmpi(rx, "/station", 8) == 0)
{
http_table[idx].status = HTTP_STATION;
rx = (char*)http_skiphd(rx, &rx_len);
}
else if(strncmpi(rx, "/alarm", 6) == 0)
{
http_table[idx].status = HTTP_ALARM;
rx = http_skiphd(rx, &rx_len);
}
else if(strncmpi(rx, "/settings", 9) == 0)
{
http_table[idx].status = HTTP_SETTINGS;
rx = http_skiphd(rx, &rx_len);
}
else
{
http_sendfile(idx, rx, tx);
}
}
else
{
tx_len = sprintf((char*)tx, HTTP_400_HEADER"Error 400 Bad request\r\n\r\n");
tcp_send(idx, tx_len, 0);
tcp_close(idx);
}
}
break;
case HTTP_SEND:
http_sendfile(idx, 0, tx);
break;
}
//parse station, alarm or settings
switch(http_table[idx].status)
{
case HTTP_STATION:
if(rx_len)
{
http_station(rx, rx_len);
http_sendfile(idx, "/station", tx);
}
else
{
tcp_send(idx, 0, 0);
}
break;
case HTTP_ALARM:
if(rx_len)
{
http_alarm(rx, rx_len);
http_sendfile(idx, "/alarm", tx);
}
else
{
tcp_send(idx, 0, 0);
}
break;
case HTTP_SETTINGS:
if(rx_len)
{
http_settings(rx, rx_len);
http_sendfile(idx, "/settings", tx);
}
else
{
tcp_send(idx, 0, 0);
}
break;
}
return;
}
void http_engine(unsigned int idx, char *rx, unsigned int rx_len, unsigned char *tx)
{
unsigned int tx_len = 0;
static unsigned int updFlag=0;
switch (http_table[idx].status)
{
case HTTP_CLOSED:
if (rx_len)
{
if(strncmpi(rx, "GET", 3) == 0)/*METHOD/part-to-resource-HTTP/Version-number*/
{
updFlag=0;
log_info("GET Table form data.\n");
rx += 3+1;
rx_len -= 3+1;
if (strncmpi(rx, "/login.html", strlen("/login.html")) == 0)
{
log_info("Login system.\n");
http_sendfile(idx, "/login.html", tx);
}
else if (strncmpi(rx, "/status.html", strlen("/status.html")) == 0)
{
log_info("Get system status html.\n");
http_sendfile(idx, "/status.html", tx);
}
else if (strncmpi(rx, "/wifibase.html", strlen("/wifibase.html")) == 0)
{
log_info("Get wifibase html.\n");
http_sendfile(idx, "/wifibase.html", tx);
}
else if (strncmpi(rx, "/wifinet.html", strlen("/wifinet.html")) == 0)
{
log_info("Get wifi network html.\n");
http_sendfile(idx, "/wifinet.html", tx);
}
else if (strncmpi(rx, "/public.css", strlen("/public.css")) == 0)
{
log_info("Get public css.\n");
http_sendfile(idx, "/public.css", tx);
}
else
{
log_info("Default login webserver.\n\n");
http_sendfile(idx, "/login.html", tx);
}
}
else if(strncmpi(rx, "POST", 4) == 0)
{
log_info("POST Table form data.\n");
updFlag=0;
rx += 4+1;
rx_len -= 4+1;
if (strncmpi(rx, "/reboot", 7) == 0) /* process setupwifi form */
{
tx_len = sprintf((char*)tx, HTTP_200_HEADER);
http_resetsys(idx, (char*)tx, tx_len);
}
else if (strncmpi(rx, "/factory", 8) == 0) /* process resetwifi form */
{
tx_len = sprintf((char*)tx, HTTP_200_HEADER);
http_factory(idx, (char*)tx, tx_len);
}
else if (strncmpi(rx, "/update", 7) == 0) /* process resetwifi form */
{
updFlag=1;
}
else if (strncmpi(rx, "/wifibase", 9) == 0) /* process resetwifi form */
{
http_setup_wifibase(idx, (char*)rx, rx_len, (char *)tx);
}
else if (strncmpi(rx, "/setupuart", 10) == 0) /* process resetwifi form */
{
http_setup_uart(idx, (char*)rx, rx_len, (char *)tx);
}
else if (strncmpi(rx, "/setupnet", 9) == 0) /* process resetwifi form */
{
http_setup_net(idx, (char*)rx, rx_len, (char *)tx);
}
else
{
http_sendfile(idx, rx, tx);
}
}
else if(updFlag != 0)
{
if(http_update(idx, (char*)rx, rx_len, (char *)tx, updFlag) == 0)
{
updFlag=0;
printf("rebooting....\r\n");
BSP_ChipReset();
}
else
updFlag++;
}
else
{
tx_len = sprintf((char*)tx, HTTP_400_HEADER"Error 400 Bad request\r\n\r\n");
tcp_send(idx, tx_len);
}
}
break;
case HTTP_SEND:
http_sendfile(idx, 0, tx);
break;
default:
break;
}
return;
}
static void work_http( connection* conn )
{
int i;
virtual_host * host;
//check if the connection cannot work.
if( conn->state != C_READY )
return;
conn->state = C_REQUESTING;
http_request( conn );
if( conn->state != C_REQUESTING )
return;
//response
conn->code = 200;
conn->state = C_RESPONSING;
/* Check Host and then set root directory. */
host = loop_search( &conn->server->loop_vhost, conn->host, vhost_searcher );
if( !host ){
host = loop_search( &conn->server->loop_vhost, "*", vhost_searcher );
}
if( host ){
//read root
conn->root_dir = host->root_dir;
if( !loop_is_empty( &host->loop_rewrite ) )
loop_search( &host->loop_rewrite, (void*)conn, loop_rewrite_match );
http_parse_uri( conn );
DBG("[%s]%s%s", conn->client->ip_string, conn->host, conn->uri );
_RESPONSE:
http_parse_path( conn );
conn->document_type = http_doctype( conn->server, conn->extension );
if( !conn->document_type ){
http_error( conn, 404, "<h1>File not found.</h1>" );
}else if( conn->extension[0] &&
strstr( conn->server->asp_exts, conn->extension ) )
{
//php do ...
exec_asp( conn );
}else if( host->proxy && ( !host->proxy_exts[0] ||
strstr( host->proxy_exts, conn->extension ) ) )
{
// uses proxy server
proxy_request( conn, host->proxy_ip, host->proxy_port );
}else if( access(conn->full_path, 0)==0 ){
if( is_dir(conn->full_path) ){
char* tmp;
NEW( tmp, PATH_LEN+32 );
if( conn->script_name[strlen(conn->script_name)-1] != '/' ){
//Are you sure that script starts with '/'?
sprintf( tmp, "http://%s%s/", conn->host, conn->script_name );
http_redirect( conn, tmp );
}else{
if( tmp ){
for( i = 0; i<10; i++ )
{
if( !conn->server->default_pages[i][0] ) {
i=10;
break;
}
sprintf( tmp, "%s/%s", conn->full_path, conn->server->default_pages[i] );
if( access( tmp, 0 ) == 0 )
{
//091004 by Huang Guan.
sprintf( conn->script_name, "%s%s", conn->script_name,
conn->server->default_pages[i] );
DEL( tmp );
goto _RESPONSE;
}
}
}
if( i == 10 ){
// List Directory
if( host->list ){
int ret;
NEW( conn->data_send, MAX_DATASEND+4 );
strcpy( conn->extension, "html" );
conn->document_type = http_doctype( conn->server, conn->extension );
ret = listdir( conn->data_send, MAX_DATASEND, conn->full_path,
conn->script_name );
conn->data_size = ret;
}else{
http_error( conn, 403, "<h1>Forbidden</h1>" );
}
}
}
DEL( tmp );
}else{
http_sendfile( conn, conn->full_path );
}
}else if( strncmp(conn->current_dir, "/system", 7)==0 && conn->root_dir==host->root_dir ){
strcpy(conn->script_name, conn->script_name+7);
conn->root_dir = conn->client->server->root_dir;
goto _RESPONSE;
}else{
http_error( conn, 404, "<h1>File not found.</h1>" );
}
}else{
http_error( conn, 403, "<h1>Unknown host name.</h1>" );
}
if( conn->state == C_RESPONSING )
http_response( conn );
conn->requests ++;
if( conn->form_data )
DEL( conn->form_data );
if( conn->data_send )
DEL( conn->data_send );
if( conn->session )
conn->session->reference --;
conn->session = NULL;
//next request
if( conn->keep_alive ){
conn->state = C_READY;
}else{
conn->state = C_END;
}
}
