void sendFile	(	int	conn_id,
		char *	buffer,
		int	size
	)

Definition at line 447 of file webServer.c.

References BUFSIZE, ext, extensions, getTime(), i, log_it(), O_BINARY, sendData(), sendSmiData(), size, SORRY, sprintf(), web_write(), and WebDID_Debug.

Referenced by handler().

{
        int j, file_fd, buflen, len;
        int i, ret;
        char * fstr;
                int flen;
        static char snd_buffer[BUFSIZE+1]; /* static so zero filled */
                static char date_buffer[128];


                ret = size;
        if(ret > 0 && ret < BUFSIZE)    /* return code is valid chars */
                buffer[ret]=0;          /* terminate the buffer */
        else buffer[0]=0;

if(WebDID_Debug)
printf("Got %s\n", buffer);
        if( strncmp(buffer,"GET ",4) && strncmp(buffer,"get ",4) )
                {
                log_it(SORRY,"Only simple GET operation supported",buffer,conn_id);
                                return;
                }

        for(i=4;i<BUFSIZE;i++) 
                { /* null terminate after the second space to ignore extra stuff */
                if(buffer[i] == ' ') 
                                { /* string is "GET URL " +lots of other stuff */
                        buffer[i] = 0;
                        break;
                }
        }

if(WebDID_Debug)
printf("Got 1 %s\n", buffer);
       for(j=0;j<i-1;j++)      /* check for illegal parent directory use .. */
                {
                if(buffer[j] == '.' && buffer[j+1] == '.')
                                {
                        log_it(SORRY,"Parent directory (..) path names not supported",buffer,conn_id);
                                                return;
                                }
                }
                if((int)strlen(buffer) == 5)
                {
                        if( !strncmp(&buffer[0],"GET /",5) || !strncmp(&buffer[0],"get /",5) ) 
                        /* convert no filename to index file */
                (void)strcpy(buffer,"GET /index.html");
                }
                if((int)strlen(buffer) == 8)
                {
                        if( !strncmp(&buffer[0],"GET /smi",8) || !strncmp(&buffer[0],"get /smi",8) ) 
                        /* convert no filename to index file */
                (void)strcpy(buffer,"GET /smi/index.html");
                }
        /* work out the file type and check we support it */
        buflen=(int)strlen(buffer);
        fstr = (char *)0;
        for(i=0;extensions[i].ext != 0;i++) 
                {
              len = (int)strlen(extensions[i].ext);
              if( !strncmp(&buffer[buflen-len], extensions[i].ext, (size_t)len)) 
                          {
                        fstr =extensions[i].filetype;
                        break;
                }
        }
/*
                (void)sprintf(snd_buffer,"HTTP/1.1 100 Continue\r\n\r\n");
        (void)web_write(conn_id,snd_buffer,(int)strlen(snd_buffer));
                printf("SENDING to conn %d:\n%s\n",conn_id, snd_buffer);
*/
                if(fstr == 0)
                {
if(WebDID_Debug)
printf("Got %s\n", buffer);
                        if(!strncmp(&buffer[5],"didHeader",9))
                        {
                                sendData(conn_id, &buffer[5], 0);
                                return;
                        }
                        else if(!strncmp(&buffer[5],"didData",7))
                        {
                                sendData(conn_id, &buffer[5], 1);
                                return;
                        }
                        else if(!strncmp(&buffer[5],"didServices",11))
                        {
                                sendData(conn_id, &buffer[5], 2);
                                return;
                        }
                        else if(!strncmp(&buffer[5],"didServiceData",14))
                        {
                                sendData(conn_id, &buffer[5], 3);
                                return;
                        }
                        else if(!strncmp(&buffer[5],"didPoll",7))
                        {
                                sendData(conn_id, &buffer[5], 5);
                                return;
                        }
                        else if(!strncmp(&buffer[5],"didQuery",8))
                        {
                                sendData(conn_id, &buffer[5], 6);
                                return;
                        }
                        else if(!strncmp(&buffer[5],"smiData",7))
                        {
                                sendSmiData(conn_id, &buffer[5], 1);
                                return;
                        }
                        else if(!strncmp(&buffer[5],"smiObjects",10))
                        {
                                sendSmiData(conn_id, &buffer[5], 2);
                                return;
                        }
/*
                        if((!strncmp(&buffer[5],"didData",7)) || (!strncmp(&buffer[5],"didServices",11)))
                        {
                                if(ptr = strchr(&buffer[5],'/'))
                                {
                                        *ptr = '\0';
                                }
                                buflen=(int)strlen(buffer);
                                for(i=0;extensions[i].ext != 0;i++) 
                                {
                                        len = (int)strlen(extensions[i].ext);
                                        if( !strncmp(&buffer[buflen-len], extensions[i].ext, len)) 
                                        {
                                            fstr =extensions[i].filetype;
                                                printf("fstr %s", fstr);
                        break;
                                        }
                                }
                                if(!strncmp(&buffer[5],"didData",7))
                                {
                                        sendData(conn_id, &buffer[5]);
                                }
                                else if(!strncmp(&buffer[5],"didServices",11))
                                {
                                        sendData(conn_id, &buffer[5]);
                                }
                        }
*/
                        else
                        {
                                log_it(SORRY,"file extension type not supported",buffer,conn_id);
                                return;
                        }
                }

                if(( file_fd = open(&buffer[5],O_RDONLY | O_BINARY)) == -1) /* open the file for reading */
                {
                log_it(SORRY, "failed to open file",&buffer[5],conn_id);
                                return;
                }

                flen = 0;
        while ( (ret = (int)read(file_fd, snd_buffer, BUFSIZE)) > 0 ) 
                {
                        flen += ret;
                }
                close(file_fd);

                if(( file_fd = open(&buffer[5],O_RDONLY | O_BINARY)) == -1) /* open the file for reading */
                {
                log_it(SORRY, "failed to open file",&buffer[5],conn_id);
                                return;
                }

                getTime(date_buffer);
                (void)sprintf(snd_buffer,"HTTP/1.1 200 OK\r\nDate: %s\r\nServer: DID/19.7\r\nContent-Length: %d\r\nContent-Type: %s\r\nConnection: close\r\n\r\n",
            date_buffer, flen, fstr);
        (void)web_write(conn_id,snd_buffer,(int)strlen(snd_buffer));
if(WebDID_Debug)
                printf("SENDING to conn %d:\n%s\n",conn_id, snd_buffer);

        /* send file in 8KB block - last block may be smaller */
        while ( (ret = (int)read(file_fd, snd_buffer, BUFSIZE)) > 0 ) {
                (void)web_write(conn_id,snd_buffer,ret);
if(WebDID_Debug == 2)
                        printf("SENDING data to conn %d: %d bytes\n",conn_id, ret);
        }
                close(file_fd);
#ifdef LINUX
        sleep(1);       /* to allow socket to drain */
#endif
}

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