Пример #1
0
/* R_SERVICE_UNAVAILABLE: 503 */
void send_r_service_unavailable(request * req) /* 503 */
{
    static char body[] =
        "<HTML><HEAD><TITLE>503 Service Unavailable</TITLE></HEAD>\n"
        "<BODY><H1>503 Service Unavailable</H1>\n"
        "There are too many connections in use right now.\r\n"
        "Please try again later.\r\n</BODY></HTML>\n";
    static int _body_len;
    static char *body_len;

    if (!_body_len)
        _body_len = strlen(body);
    if (!body_len)
        body_len = strdup(simple_itoa(_body_len));


    SQUASH_KA(req);
    req->response_status = R_SERVICE_UNAV;
    if (!req->simple) {
        req_write(req, "HTTP/1.0 503 Service Unavailable\r\n");
        print_http_headers(req);
        req_write(req, "Content-Length: ");
        req_write(req, body_len);
        req_write(req, "\r\nContent-Type: " HTML "\r\n\r\n"); /* terminate header
                                                               */
    }
    if (req->method != M_HEAD) {
        req_write(req, body);
    }
    req_flush(req);
}
Пример #2
0
/* R_REQUEST_OK: 200 */
void send_r_request_ok(request * req)
{
	req->response_status = R_REQUEST_OK;
	if (req->simple)
		return;

	req_write(req, "HTTP/1.0 200 OK\r\n");
	print_http_headers(req);

	
	if (req->is_cgi)
	{
		if (req->content_type)
			print_content_type(req);
		else
			if (req->is_cgi)
			{
				req_write(req, req->header_line);
				req_write(req, "\r\n");
			}
	}else
	{
		print_content_type(req);
		print_content_length(req);
		print_last_modified(req);
	}
		req_write(req, "\r\n");	/* terminate header */
}
Пример #3
0
/* R_NOT_MODIFIED: 304 */
void send_r_not_modified(request * req)
{
	req_write(req, "HTTP/1.0 304 Not Modified\r\n");
	req->response_status = R_NOT_MODIFIED;
	print_http_headers(req);
	print_content_type(req);
	req_write(req, "\r\n");		/* terminate header */
	req_flush(req);
}
Пример #4
0
/* R_MOVED_TEMP: 302 */
void send_redirect_temp(request * req, char *url, char *more_hdr)
{
    SQUASH_KA(req);
    req->response_status = R_MOVED_TEMP;
    if (!req->simple) {
        req_write(req, "HTTP/1.0 302 Moved Temporarily\r\n");
        print_http_headers(req);
        req_write(req, "Content-Type: " HTML "\r\n");

        req_write(req, "Location: ");
        req_write_escape_http(req, url);
        req_write(req, "\r\n");
        req_write(req, more_hdr);
        req_write(req, "\r\n\r\n");
    }
    if (req->method != M_HEAD) {
        req_write(req,
                  "<HTML><HEAD><TITLE>302 Moved Temporarily</TITLE></HEAD>\n"
                  "<BODY>\n<H1>302 Moved</H1>The document has moved\n"
                  "<A HREF=\"");
        req_write_escape_html(req, url);
        req_write(req, "\">here</A>.\n</BODY></HTML>\n");
    }
    req_flush(req);
}
Пример #5
0
void print_content_type(request * req)
{
	req_write(req, "Content-Type: ");
	if (req->content_type)
		req_write(req,req->content_type);
	else	req_write(req, get_mime_type(req->request_uri));
#ifdef USE_CHARSET_HEADER
#ifdef USE_BROWSERMATCH
       if (req->send_charset)
#endif
         {
	  req_write(req,"; charset=");
#ifdef USE_NLS
		if (req->cp_name)
		{
			req_write(req,req->cp_name);
		}else
#endif
	  if (local_codepage)
	    req_write(req,local_codepage);
	  else req_write(req,DEFAULT_CHARSET);
         }
#endif
	req_write(req, "\r\n");
}
Пример #6
0
/* R_NOT_IMP: 501 */
void send_r_not_implemented(request * req)
{
	req->response_status = R_NOT_IMP;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 501 Not Implemented\r\n");
		print_http_headers(req);
		req_write(req, "Content-Type: text/html\r\n\r\n");	/* terminate header */
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>501 Not Implemented</TITLE></HEAD>\n"
				"<BODY><H1>501 Not Implemented</H1>\nPOST to non-script "
					 "is not supported in Boa.\n</BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #7
0
/* R_BAD_REQUEST: 400 */
void send_r_bad_request(request * req)
{
	req->response_status = R_BAD_REQUEST;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 400 Bad Request\r\n");
		print_http_headers(req);
		req_write(req, "Content-Type: text/html\r\n\r\n");	/* terminate header */
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>400 Bad Request</TITLE></HEAD>\n"
				"<BODY><H1>400 Bad Request</H1>\nYour client has issued "
					 "a malformed or illegal request.\n</BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #8
0
inline void print_last_modified(request * req)
{
    static char lm[] = "Last-Modified: "
        "                             " "\r\n";
    rfc822_time_buf(lm + 15, req->last_modified);
    req_write(req, lm);
}
Пример #9
0
/* R_ERROR: 500 */
void send_r_error(request * req)
{
	req->response_status = R_ERROR;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 500 Server Error\r\n");
		print_http_headers(req);
		req_write(req, "Content-Type: text/html\r\n\r\n");	/* terminate header */
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>500 Server Error</TITLE></HEAD>\n"
			   "<BODY><H1>500 Server Error</H1>\nThe server encountered "
			   "an internal error and could not complete your request.\n"
					 "</BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #10
0
/* R_NOT_FOUND: 404 */
void send_r_not_found(request * req)
{
	req->response_status = R_NOT_FOUND;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 404 Not Found\r\n");
		print_http_headers(req);
		req_write(req, "Content-Type: text/html\r\n\r\n");	/* terminate header */
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>404 Not Found</TITLE></HEAD>\n"
					 "<BODY><H1>404 Not Found</H1>\nThe requested URL ");
		req_write(req, escape_string(req->request_uri, e_s));
		req_write(req, " was not found on this server.\n</BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #11
0
/* R_REQUEST_OK: 200 */
void send_r_request_ok(request * req)
{
    req->response_status = R_REQUEST_OK;
    if (req->simple)
        return;

    req_write(req, "HTTP/1.0 200 OK\r\n");
    print_http_headers(req);

    if (!req->is_cgi) {
        print_content_length(req);
        print_last_modified(req);
        print_content_type(req);
        req_write(req, "\r\n");
    }
}
Пример #12
0
/* R_FORBIDDEN: 403 */
void send_r_forbidden(request * req)
{
	req->response_status = R_FORBIDDEN;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 403 Forbidden\r\n");
		print_http_headers(req);
		req_write(req, "Content-Type: text/html\r\n\r\n");	/* terminate header */
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>403 Forbidden</TITLE></HEAD>\n"
					 "<BODY><H1>403 Forbidden</H1>\nYour client does not "
					 "have permission to get URL ");
		req_write(req, escape_string(req->request_uri, e_s));
		req_write(req, " from this server.\n</BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #13
0
/* R_BAD_GATEWAY: 502 */
void send_r_bad_gateway(request * req)
{
    SQUASH_KA(req);
    req->response_status = R_BAD_GATEWAY;
    if (!req->simple) {
        req_write(req, "HTTP/1.0 502 Bad Gateway" CRLF);
        print_http_headers(req);
        req_write(req, "Content-Type: " HTML CRLF CRLF); /* terminate header */
    }
    if (req->method != M_HEAD) {
        req_write(req,
                  "<HTML><HEAD><TITLE>502 Bad Gateway</TITLE></HEAD>\n"
                  "<BODY><H1>502 Bad Gateway</H1>\nThe CGI was "
                  "not CGI/1.1 compliant.\n" "</BODY></HTML>\n");
    }
    req_flush(req);
}
Пример #14
0
/* R_NOT_IMP: 505 */
void send_r_bad_version(request * req)
{
	req->response_status = R_BAD_VERSION;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 505 HTTP Version Not Supported\r\n");
		print_http_headers(req);
		req_write(req, "Content-Type: text/html\r\n\r\n");	/* terminate header */
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>505 HTTP Version Not Supported</TITLE></HEAD>\n"
				"<BODY><H1>505 HTTP Version Not Supported</H1>\nHTTP versions "
					 "other than 0.9 and 1.0 "
					 "are not supported in Boa.\n<p><p>Version encountered: ");
		req_write(req, req->http_version);
		req_write(req, "<p><p></BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #15
0
/* R_REQUEST_OK: 200 */
void send_r_request_ok(request * req)
{
	req->response_status = R_REQUEST_OK;
	if (req->simple)
		return;

	req_write(req, "HTTP/1.0 200 OK\r\n");
	print_http_headers(req);

	print_content_type(req);
	print_content_length(req);
	print_last_modified(req);

	if (req->pcExtraHeader != NULL && req->pcExtraHeader[0] != '\0')
		req_write(req, req->pcExtraHeader);

	req_write(req, "\r\n");	/* terminate header */
}
Пример #16
0
int audio_get(request * req, int video_type)
{
	AV_DATA av_data;
	int ret;

	if (req->audio_book == 0) {
		GetAVData(AV_OP_GET_ULAW_SERIAL, -1, &av_data );
		if (av_data.serial <= req->audio_lock) {
			dbg("av_data.serial <= req->audio_lock!!!\n");
			req->busy_flag &= ~BUSY_FLAG_AUDIO;
			return 0;
		}
		req->audio_book = av_data.serial;
	}

	ret = GetAVData(AV_OP_LOCK_ULAW, req->audio_book, &av_data );
	if (ret == RET_SUCCESS) {
		extern int CheckAudioStatus(void);
		if (req->audio_lock > 0) {
			GetAVData(AV_OP_UNLOCK_ULAW, req->audio_lock, NULL);
			req->audio_lock = 0;
		}
		if(CheckAudioStatus())
		{
			req->data_mem = av_data.ptr;
		}else{
			static int IsFirst = 1;

			if(IsFirst)
			{
				IsFirst = 0;
				memset(AUDIO_MUTE_ARRAY,0xff,sizeof(AUDIO_MUTE_ARRAY));
			}

			req->data_mem = AUDIO_MUTE_ARRAY;
		}
		req->filesize = av_data.size;
		req->filepos = 0;
		req->audio_lock = av_data.serial;
		req->audio_book = av_data.serial + 1;
		req->audio_sync = av_data.ref_serial[video_type];
		reset_output_buffer(req);
		req_write(req, "\r\n");
		print_audio_headers(req);
		return 1;
	}
	else if (ret == RET_NO_VALID_DATA) {
		req->busy_flag &= ~BUSY_FLAG_AUDIO;
		return 0;
	}
	else {
		req->audio_book = 0;
		dbg("ERROR, ret=%d\n", ret);
		return -1;
	}

}
Пример #17
0
void audio_send(request * req)
{
	req->data_mem = req->audio_data;
	req->filesize = req->audio_length;
	req->filepos = 0;
	req->audio_length = 0;
	reset_output_buffer(req);
	req_write(req, "\r\n");
	print_audio_headers(req);
}
Пример #18
0
void print_http_headers(request * req)
{
    static char stuff[] = "Date: "
        "                             "
        "\r\nServer: " SERVER_VERSION "\r\n";

    rfc822_time_buf(stuff + 6, 0);
    req_write(req, stuff);
    print_ka_phrase(req);
}
Пример #19
0
void print_http_headers(request * req)
{

	req_write(req, "Date: ");
	req_write_rfc822_time(req, 0);
	req_write(req, "\r\nServer: " SERVER_VERSION "\r\n");

	if (req->keepalive == KA_ACTIVE) {
		req_write(req, "Connection: Keep-Alive\r\n" \
			"Keep-Alive: timeout=");
		req_write(req, simple_itoa(ka_timeout));
		req_write(req, ", max=");
		req_write(req, simple_itoa(ka_max));
		req_write(req, "\r\n");
	} else
		req_write(req, "Connection: close\r\n");
}
Пример #20
0
inline void print_ka_phrase(request * req)
{
    if (req->kacount > 0 &&
        req->keepalive == KA_ACTIVE && req->response_status < 500) {
        req_write(req, "Connection: Keep-Alive\r\nKeep-Alive: timeout=");
        req_write(req, simple_itoa(ka_timeout));
        req_write(req, ", max=");
        req_write(req, simple_itoa(req->kacount));
        req_write(req, "\r\n");
    } else
        req_write(req, "Connection: close\r\n");
}
Пример #21
0
/* R_UNAUTHORIZED: 401 */
void send_r_unauthorized(request * req, const char *realm_name)
{
	req->response_status = R_UNAUTHORIZED;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 401 Unauthorized\r\n");
		print_http_headers(req);
		req_write(req, "WWW-Authenticate: Basic realm=\"");
		req_write(req, realm_name);
		req_write(req, "\"\r\n");
		req_write(req, "Content-Type: text/html\r\n\r\n");	/* terminate header */
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>401 Unauthorized</TITLE></HEAD>\n"
				 "<BODY><H1>401 Unauthorized</H1>\nYour client does not "
					 "have permission to get URL ");
		req_write(req, escape_string(req->request_uri, e_s));
		req_write(req, " from this server.\n</BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #22
0
/* R_MOVED_PERM: 301 */
void send_redirect_perm(request * req, char *url)
{
	req->response_status = R_MOVED_PERM;
	if (!req->simple) {
		req_write(req, "HTTP/1.0 301 Moved Permanently\r\n");
		print_http_headers(req);
		req_write(req, "Content-Type: text/html\r\n");

		req_write(req, "Location: ");
		req_write(req, escape_string(url, e_s));
		req_write(req, "\r\n\r\n");
	}
	if (req->method != M_HEAD) {
		req_write(req, "<HTML><HEAD><TITLE>301 Moved Permanently</TITLE></HEAD>\n"
					 "<BODY>\n<H1>301 Moved</H1>The document has moved\n"
					 "<A HREF=\"");
		req_write(req, escape_string(url, e_s));
		req_write(req, "\">here</A>.\n</BODY></HTML>\n");
	}
	req_flush(req);
}
Пример #23
0
void print_content_type(request * req)
{
	char *mime_type;
	req_write(req, "Content-Type: ");
	if ((mime_type = get_mime_type(req->request_uri)) == default_type
		&& req->content_type)
		req_write(req, req->content_type);
	else req_write(req, mime_type);
#ifdef USE_CHARSET_HEADER
         {
	  req_write(req,"; charset=");
	  if (local_codepage)
	    req_write(req,local_codepage);
	  else req_write(req,DEFAULT_CHARSET);
         }
#endif
	req_write(req, "\r\n");
}
Пример #24
0
Файл: get.c Проект: gpg/boa
int init_get(request * req)
{
    int data_fd, saved_errno;
    struct stat statbuf;
    volatile off_t bytes_free;

    data_fd = open(req->pathname, O_RDONLY|O_LARGEFILE);
    saved_errno = errno;        /* might not get used */

    while (use_lang_rewrite && data_fd == -1 && errno == ENOENT) {
         /* We cannot open that file - Check whether we can rewrite it
          * to a different language suffix.  We only support filenames
          * of the format: "foo.ll.html" as an alias for "foo.html". */
        unsigned int len;

        len = strlen(req->pathname);
        if (len < 6 || strcmp (req->pathname + len - 5, ".html"))
            break;  /* does not end in ".html" */
        if (len > 8 && req->pathname[len-8] == '.'
            && req->pathname[len-7] >= 'a' && req->pathname[len-7] <= 'z'
            && req->pathname[len-6] >= 'a' && req->pathname[len-6] <= 'z') {
            /* The request was for a language dependent file.  Strip
             * it and try the generic form. */
            char save_name[8];

            strcpy (save_name, req->pathname + len - 7);
            strcpy (req->pathname + len - 7, "html");
            data_fd = open(req->pathname, O_RDONLY);
            if (data_fd == -1)
                strcpy (req->pathname + len - 7, save_name);
            break;
        }
        else if ( 0 ) {
            /* Fixme: Other items to try from the list of accepted_languages */
            data_fd = open(req->pathname, O_RDONLY);
        }
        else
            break;
    }


#ifdef GUNZIP
    if (data_fd == -1 && errno == ENOENT) {
        /* cannot open */
        /* it's either a gunzipped file or a directory */
        char gzip_pathname[MAX_PATH_LENGTH];
        unsigned int len;

        len = strlen(req->pathname);

        if (len + 4 > sizeof(gzip_pathname)) {
            log_error_doc(req);
            fprintf(stderr, "Pathname + .gz too long! (%s)\n", req->pathname);
            send_r_bad_request(req);
            return 0;
        }

        memcpy(gzip_pathname, req->pathname, len);
        memcpy(gzip_pathname + len, ".gz", 3);
        gzip_pathname[len + 3] = '\0';
        data_fd = open(gzip_pathname, O_RDONLY|O_LARGEFILE);
        if (data_fd != -1) {
            close(data_fd);

            req->response_status = R_REQUEST_OK;
            if (req->pathname)
                free(req->pathname);
            req->pathname = strdup(gzip_pathname);
            if (!req->pathname) {
                boa_perror(req, "strdup req->pathname for gzipped filename " __FILE__ ":" STR(__LINE__));
                return 0;
            }
            if (req->http_version != HTTP09) {
                req_write(req, http_ver_string(req->http_version));
                req_write(req, " 200 OK-GUNZIP" CRLF);
                print_http_headers(req);
                print_content_type(req);
                print_last_modified(req);
                req_write(req, CRLF);
                req_flush(req);
            }
            if (req->method == M_HEAD)
                return 0;

            return init_cgi(req);
        }
    }
#endif

    if (data_fd == -1) {
        log_error_doc(req);
        errno = saved_errno;
        perror("document open");

        if (saved_errno == ENOENT)
            send_r_not_found(req);
        else if (saved_errno == EACCES)
            send_r_forbidden(req);
        else
            send_r_bad_request(req);
        return 0;
    }

#ifdef ACCESS_CONTROL
    if (!access_allow(req->pathname)) {
      send_r_forbidden(req);
      return 0;
    }
#endif

    fstat(data_fd, &statbuf);

    if (S_ISDIR(statbuf.st_mode)) { /* directory */
        close(data_fd);         /* close dir */

        if (req->pathname[strlen(req->pathname) - 1] != '/') {
            char buffer[3 * MAX_PATH_LENGTH + 128];
            unsigned int len;

#ifdef ALLOW_LOCAL_REDIRECT
            len = strlen(req->request_uri);
            if (len + 2 > sizeof(buffer)) {
                send_r_error(req);
                return 0;
            }
            memcpy(buffer, req->request_uri, len);
            buffer[len] = '/';
            buffer[len+1] = '\0';
#else
            char *host = server_name;
            unsigned int l2;
            char *port = NULL;
            const char *prefix = hsts_header? "https://" : "http://";
            static unsigned int l3 = 0;
            static unsigned int l4 = 0;

            if (l4 == 0) {
                l4 = strlen(prefix);
            }
            len = strlen(req->request_uri);
            if (!port && server_port != 80 && !no_redirect_port) {
                port = strdup(simple_itoa(server_port));
                if (port == NULL) {
                    errno = ENOMEM;
                    boa_perror(req, "Unable to perform simple_itoa conversion on server port!");
                    return 0;
                }
                l3 = strlen(port);
            }
            /* l3 and l4 are done */

            if (req->host) {
                /* only shows up in vhost mode */
                /* what about the port? (in vhost_mode?) */
                /* we don't currently report ports that differ
                 * from out "bound" (listening) port, so we don't care
                 */
                host = req->host;
            }
            l2 = strlen(host);

            if (server_port != 80 && !no_redirect_port) {
                if (l4 + l2 + 1 + l3 + len + 1 > sizeof(buffer)) {
                    errno = ENOMEM;
                    boa_perror(req, "buffer not large enough for directory redirect");
                    return 0;
                }
                memcpy(buffer, prefix, l4);
                memcpy(buffer + l4, host, l2);
                buffer[l4 + l2] = ':';
                memcpy(buffer + l4 + l2 + 1, port, l3);
                memcpy(buffer + l4 + l2 + 1 + l3, req->request_uri, len);
                buffer[l4 + l2 + 1 + l3 + len] = '/';
                buffer[l4 + l2 + 1 + l3 + len + 1] = '\0';
            } else {
                if (l4 + l2 + len + 1 > sizeof(buffer)) {
                    errno = ENOMEM;
                    boa_perror(req, "buffer not large enough for directory redirect");
                    return 0;
                }
                memcpy(buffer, prefix, l4);
                memcpy(buffer + l4, host, l2);
                memcpy(buffer + l4 + l2, req->request_uri, len);
                buffer[l4 + l2 + len] = '/';
                buffer[l4 + l2 + len + 1] = '\0';
            }
#endif /* ALLOW LOCAL REDIRECT */
            send_r_moved_perm(req, buffer);
            return 0;
        }
        data_fd = get_dir(req, &statbuf); /* updates statbuf */

        if (data_fd < 0)      /* couldn't do it */
            return 0;           /* errors reported by get_dir */
        else if (data_fd == 0 || data_fd == 1)
            return data_fd;
        /* else, data_fd contains the fd of the file... */
    }

    if (!S_ISREG(statbuf.st_mode)) { /* regular file */
        log_error_doc(req);
        fprintf(stderr, "Resulting file is not a regular file.\n");
        send_r_bad_request(req);
        close(data_fd);
        return 0;
    }

    /* If-UnModified-Since asks
     *  is the file newer than date located in time_cval
     *  yes -> return 412
     *   no -> return 200
     *
     * If-Modified-Since asks
     *  is the file date less than or same as the date located in time_cval
     *  yes -> return 304
     *  no  -> return 200
     *
     * If-Unmodified-Since overrides If-Modified-Since
     */

    /*
    if (req->headers[H_IF_UNMODIFIED_SINCE] &&
        modified_since(&(statbuf.st_mtime),
                       req->headers[H_IF_UNMODIFIED_SINCE])) {
        send_r_precondition_failed(req);
        return 0;
    } else
    */
    if (req->if_modified_since &&
        !modified_since(&(statbuf.st_mtime), req->if_modified_since)) {
        send_r_not_modified(req);
        close(data_fd);
        return 0;
    }

    req->filesize = statbuf.st_size;
    req->last_modified = statbuf.st_mtime;

    /* ignore if-range without range */
    if (req->header_ifrange && !req->ranges)
        req->header_ifrange = NULL;

    /* we don't support it yet */
    req->header_ifrange = NULL;

    /* parse ranges now */
    /* we have to wait until req->filesize exists to fix them up */
    /* fixup handles handles communicating with the client */
    /* ranges_fixup logs as appropriate, and sends
     * send_r_invalid_range on error.
     */

    if (req->filesize == 0) {
        if (req->http_version < HTTP11) {
            send_r_request_ok(req);
            close(data_fd);
            return 0;
        }
        send_r_no_content(req);
        close(data_fd);
        return 0;
    }

    if (req->ranges && !ranges_fixup(req)) {
        close(data_fd);
        return 0;
    }

    /* if no range has been set, use default range */
#if 0
    DEBUG(DEBUG_RANGE) {
        log_error_time();
        fprintf(stderr, "if-range: %s\time_cval: %d\tmtime: %d\n",
                req->header_ifrange, req->time_cval, statbuf->st_mtime);
    }
#endif

    /*
     If the entity tag given in the If-Range header matches the current
     entity tag for the entity, then the server should provide the
     specified sub-range of the entity using a 206 (Partial content)
     response.

     If the entity tag does not match, then the server should
     return the entire entity using a 200 (OK) response.
     */
    /* IF we have range data *and* no if-range or if-range matches... */

#ifdef MAX_FILE_MMAP
    if (req->filesize > MAX_FILE_MMAP) {
        req->data_fd = data_fd;
        req->status = IOSHUFFLE;
    } else
#endif
    {
        /* NOTE: I (Jon Nelson) tried performing a read(2)
         * into the output buffer provided the file data would
         * fit, before mmapping, and if successful, writing that
         * and stopping there -- all to avoid the cost
         * of a mmap.  Oddly, it was *slower* in benchmarks.
         */
        req->mmap_entry_var = find_mmap(data_fd, &statbuf);
        if (req->mmap_entry_var == NULL) {
            req->data_fd = data_fd;
            req->status = IOSHUFFLE;
        } else {
            req->data_mem = req->mmap_entry_var->mmap;
            close(data_fd);             /* close data file */
        }
    }

    if (!req->ranges) {
        req->ranges = range_pool_pop();
        req->ranges->start = 0;
        req->ranges->stop = -1;
        if (!ranges_fixup(req)) {
            return 0;
        }
        send_r_request_ok(req);
    } else {
        /* FIXME: support if-range header here, by the following logic:
         * if !req->header_ifrange || st_mtime > header_ifrange,
         *   send_r_partial_content
         * else
         *   reset-ranges, etc...
         */
        if (!req->header_ifrange) {
            send_r_partial_content(req);
        } else {
            /* either no if-range or the if-range does not match */
            ranges_reset(req);
            req->ranges = range_pool_pop();
            req->ranges->start = 0;
            req->ranges->stop = -1;
            if (!ranges_fixup(req)) {
                return 0;
            }
            send_r_request_ok(req);
        }
    }

    if (req->method == M_HEAD) {
        return complete_response(req);
    }

    bytes_free = 0;
    if (req->data_mem) {
        /* things can really go tilt if req->buffer_end > BUFFER_SIZE,
         * but basically that can't happen
         */

        /* We lose statbuf here, so make sure response has been sent */
        bytes_free = BUFFER_SIZE - req->buffer_end;
        /* 256 bytes for the **trailing** headers */

        /* bytes is now how much the buffer can hold
         * after the headers
         */
    }

    if (req->data_mem && bytes_free > 256) {
        unsigned int want;
        Range *r;

        r = req->ranges;

        want = (r->stop - r->start) + 1;

        if (bytes_free > want)
            bytes_free = want;
        else {
            /* bytes_free <= want */
            ;
        }

        if (setjmp(env) == 0) {
            handle_sigbus = 1;
            memcpy(req->buffer + req->buffer_end,
                   req->data_mem + r->start, bytes_free);
            handle_sigbus = 0;
            /* OK, SIGBUS **after** this point is very bad! */
        } else {
            /* sigbus! */
            log_error_doc(req);
            reset_output_buffer(req);
            send_r_error(req);
            log_error("Got SIGBUS in memcpy\n");
            return 0;
        }
        req->buffer_end += bytes_free;
        req->bytes_written += bytes_free;
        r->start += bytes_free;
        if (bytes_free == want) {
            /* this will fit due to the 256 extra bytes_free */
            return complete_response(req);
        }
    }

    /* We lose statbuf here, so make sure response has been sent */
    return 1;
}
Пример #25
0
Файл: get.c Проект: gpg/boa
int process_get(request * req)
{
    off_t bytes_written;
    volatile off_t bytes_to_write;

    if (req->method == M_HEAD) {
        return complete_response(req);
    }

    bytes_to_write = (req->ranges->stop - req->ranges->start) + 1;

    if (bytes_to_write > system_bufsize)
        bytes_to_write = system_bufsize;

    if (setjmp(env) == 0) {
        handle_sigbus = 1;
        bytes_written = write(req->fd, req->data_mem + req->ranges->start,
                              bytes_to_write);
        handle_sigbus = 0;
        /* OK, SIGBUS **after** this point is very bad! */
    } else {
        /* sigbus! */
        req->status = DEAD;
        log_error_doc(req);
        fprintf(stderr, "%sGot SIGBUS in write(2)!\n",
                get_commonlog_time());
        /* sending an error here is inappropriate
         * if we are here, the file is mmapped, and thus,
         * a content-length has been sent. If we send fewer bytes
         * the client knows there has been a problem.
         * We run the risk of accidentally sending the right number
         * of bytes (or a few too many) and the client
         * won't be the wiser.
         */
        return 0;
    }

    if (bytes_written < 0) {
        if (errno == EWOULDBLOCK || errno == EAGAIN)
            return -1;
        /* request blocked at the pipe level, but keep going */
        else {
#ifdef QUIET_DISCONNECT
            if (errno != EPIPE) {
#else
            if (1) {
#endif
                log_error_doc(req);
                /* Can generate lots of log entries, */
                perror("write");
                /* OK to disable if your logs get too big */
            }
            req->status = DEAD;
            return 0;
        }
    }

    req->bytes_written += bytes_written;
    req->ranges->start += bytes_written;

    if ((req->ranges->stop + 1 - req->ranges->start) == 0) {
        return complete_response(req);
    }

    return 1;               /* more to do */
}

/*
 * Name: get_dir
 * Description: Called from process_get if the request is a directory.
 * statbuf must describe directory on input, since we may need its
 *   device, inode, and mtime.
 * statbuf is updated, since we may need to check mtimes of a cache.
 * returns:
 *  -1 error
 *  0  cgi (either gunzip or auto-generated)
 *  >0  file descriptor of file
 */

int get_dir(request * req, struct stat *statbuf)
{

    char pathname_with_index[MAX_PATH_LENGTH];
    int data_fd;

    if (directory_index) {      /* look for index.html first?? */
        unsigned int l1, l2;

        l1 = strlen(req->pathname);
        l2 = strlen(directory_index);
#ifdef GUNZIP
        if (l1 + l2 + 3 + 1 > sizeof(pathname_with_index)) { /* for .gz */
#else
        if (l1 + l2 + 1 > sizeof(pathname_with_index)) {
#endif

            errno = ENOMEM;
            boa_perror(req, "pathname_with_index not large enough for pathname + index");
            return -1;
        }
        memcpy(pathname_with_index, req->pathname, l1); /* doesn't copy NUL */
        memcpy(pathname_with_index + l1, directory_index, l2 + 1); /* does */

        data_fd = open(pathname_with_index, O_RDONLY|O_LARGEFILE);

        if (data_fd != -1) {    /* user's index file */
            /* We have to assume that directory_index will fit, because
             * if it doesn't, well, that's a huge configuration problem.
             * this is only the 'index.html' pathname for mime type
             */
            memcpy(req->request_uri, directory_index, l2 + 1); /* for mimetype */
            fstat(data_fd, statbuf);
            return data_fd;
        }
        if (errno == EACCES) {
            send_r_forbidden(req);
            return -1;
        } else if (errno != ENOENT) {
            /* if there is an error *other* than EACCES or ENOENT */
            send_r_not_found(req);
            return -1;
        }
#ifdef GUNZIP
        /* if we are here, trying index.html didn't work
         * try index.html.gz
         */
        strcat(pathname_with_index, ".gz");
        data_fd = open(pathname_with_index, O_RDONLY|O_LARGEFILE);
        if (data_fd != -1) {    /* user's index file */
            close(data_fd);

            req->response_status = R_REQUEST_OK;
            SQUASH_KA(req);
            if (req->pathname)
                free(req->pathname);
            req->pathname = strdup(pathname_with_index);
            if (!req->pathname) {
                boa_perror(req, "strdup of pathname_with_index for .gz files " __FILE__ ":" STR(__LINE__));
                return 0;
            }
            if (req->http_version != HTTP09) {
                req_write(req, http_ver_string(req->http_version));
                req_write(req, " 200 OK-GUNZIP" CRLF);
                print_http_headers(req);
                print_last_modified(req);
                req_write(req, "Content-Type: ");
                req_write(req, get_mime_type(directory_index));
                req_write(req, CRLF CRLF);
                req_flush(req);
            }
            if (req->method == M_HEAD)
                return 0;
            return init_cgi(req);
        }
#endif
    }

    /* only here if index.html, index.html.gz don't exist */
    if (dirmaker != NULL) {     /* don't look for index.html... maybe automake? */
        req->response_status = R_REQUEST_OK;
        SQUASH_KA(req);

        /* the indexer should take care of all headers */
        if (req->http_version != HTTP09) {
            req_write(req, http_ver_string(req->http_version));
            req_write(req, " 200 OK" CRLF);
            print_http_headers(req);
            print_last_modified(req);
            req_write(req, "Content-Type: text/html" CRLF CRLF);
            req_flush(req);
        }
        if (req->method == M_HEAD)
            return 0;

        return init_cgi(req);
        /* in this case, 0 means success */
    } else if (cachedir) {
        return get_cachedir_file(req, statbuf);
    } else {                    /* neither index.html nor autogenerate are allowed */
        send_r_forbidden(req);
        return -1;              /* nothing worked */
    }
}

static int get_cachedir_file(request * req, struct stat *statbuf)
{

    char pathname_with_index[MAX_PATH_LENGTH];
    int data_fd;
    time_t real_dir_mtime;

    real_dir_mtime = statbuf->st_mtime;
    /* the sizeof() doesn't need a -1 because snprintf will
     * include the NUL when calculating if the size is enough
     */
    snprintf(pathname_with_index, sizeof(pathname_with_index),
             "%s/dir.%d." PRINTF_OFF_T_ARG, cachedir,
             (int) statbuf->st_dev, statbuf->st_ino);
    data_fd = open(pathname_with_index, O_RDONLY|O_LARGEFILE);

    if (data_fd != -1) {        /* index cache */

        fstat(data_fd, statbuf);
        if (statbuf->st_mtime > real_dir_mtime) {
            statbuf->st_mtime = real_dir_mtime; /* lie */
            strcpy(req->request_uri, directory_index); /* for mimetype */
            return data_fd;
        }
        close(data_fd);
        unlink(pathname_with_index); /* cache is stale, delete it */
    }
    if (index_directory(req, pathname_with_index) == -1)
        return -1;

    data_fd = open(pathname_with_index, O_RDONLY|O_LARGEFILE); /* Last chance */
    if (data_fd != -1) {
        strcpy(req->request_uri, directory_index); /* for mimetype */
        fstat(data_fd, statbuf);
        statbuf->st_mtime = real_dir_mtime; /* lie */
        return data_fd;
    }

    boa_perror(req, "re-opening dircache");
    return -1;                  /* Nothing worked. */

}
Пример #26
0
static void
img_png_write (png_structp png_ptr, png_bytep data, png_size_t size)
{
   req_write( (( PImgLoadFileInstance) png_get_io_ptr(png_ptr))-> req, size, data);
}
Пример #27
0
int init_get(request * req)
{
    int data_fd, saved_errno;
    struct stat statbuf;
    volatile unsigned int bytes_free;

//fprintf(stderr, "###[%s %d] req->pathname=%s###\n", __FUNCTION__, __LINE__, req->pathname);
//fprintf(stderr, "###[%s %d] req->client_stream=%s###\n", __FUNCTION__, __LINE__, req->client_stream);
//fprintf(stderr, "###[%s %d] req->logline=%s###\n", __FUNCTION__, __LINE__, req->logline);
//fprintf(stderr, "###[%s %d] req->request_uri=%s###\n", __FUNCTION__, __LINE__, req->request_uri);
//fprintf(stderr, "###[%s %d] req->host=%s###\n", __FUNCTION__, __LINE__, req->host);

	/* A special GET request: "GET /boaform/formWlanRedirect?redirect-url=wlbasic.htm&wlan_id=0 HTTP/1.1" */
	if (strstr(req->request_uri, "formWlanRedirect")) {
		char *redirectUrl, *strWlanId, *ptr;
		extern void formWlanRedirect2(request *wp, char *redirectUrl, char *strWlanId);
		if ((ptr = strstr(req->client_stream, "redirect-url="))) {
			redirectUrl = ptr + strlen("redirect-url=");
			if ((ptr = strstr(redirectUrl, "&wlan_id="))) {
				*ptr = '\0';
				strWlanId = ptr + strlen("&wlan_id=");
				if ((ptr = strstr(strWlanId, " HTTP"))) {
					*ptr = '\0';
					//fprintf(stderr, "###[%s %d] redirectUrl=%s strWlanId=%s###\n", __FUNCTION__, __LINE__, redirectUrl, strWlanId);
					formWlanRedirect2(req, redirectUrl, strWlanId);
					return 0;
				}
			}
		}
	}

    data_fd = open(req->pathname, O_RDONLY);
    saved_errno = errno;        /* might not get used */

#ifdef GUNZIP
    if (data_fd == -1 && errno == ENOENT) {
        /* cannot open */
        /* it's either a gunzipped file or a directory */
        char gzip_pathname[MAX_PATH_LENGTH];
        unsigned int len;

        len = strlen(req->pathname);

        if (len + 4 > sizeof(gzip_pathname)) {
            log_error_doc(req);
            fprintf(stderr, "Pathname + .gz too long! (%s)\n", req->pathname);
            send_r_bad_request(req);
            return 0;
        }

        memcpy(gzip_pathname, req->pathname, len);
        memcpy(gzip_pathname + len, ".gz", 3);
        gzip_pathname[len + 3] = '\0';
        data_fd = open(gzip_pathname, O_RDONLY);
        if (data_fd != -1) {
            close(data_fd);

            req->response_status = R_REQUEST_OK;
            if (req->pathname)
                free(req->pathname);
            req->pathname = strdup(gzip_pathname);
            if (!req->pathname) {
                boa_perror(req, "strdup req->pathname for gzipped filename " __FILE__ ":" STR(__LINE__));
                return 0;
            }
            if (req->http_version != HTTP09) {
                req_write(req, http_ver_string(req->http_version));
                req_write(req, " 200 OK-GUNZIP" CRLF);
                print_http_headers(req);
                print_content_type(req);
                print_last_modified(req);
                req_write(req, CRLF);
                req_flush(req);
            }
            if (req->method == M_HEAD)
                return 0;

            return init_cgi(req);
        }
    }
#endif

    if (data_fd == -1) {


        log_error_doc(req);
        errno = saved_errno;
	DEBUG(DEBUG_BOA) {
        perror("document open");
        fprintf(stderr, "req->pathname=%s\n", (req->pathname ? req->pathname : "null"));
	}
#if 0
        if (saved_errno == ENOENT)
            send_r_not_found(req);
        else if (saved_errno == EACCES)
            send_r_forbidden(req);
        else
            send_r_bad_request(req);
#else
	send_redirect_perm(req,"home.htm");
#endif

	return 0;
    }
Пример #28
0
int init_get2(request * req)
{
	int data_fd;
	//Brad add begin for update content length
	char *content_length_orig1;
	char *content_length_orig2;
	int orig_char_length=0;
	int exact_char_length=0;
	int byte_shift=0;
	int exact_size=0;
	int total_length_shift=0;
	char *exact_content=NULL;
	int head_offset=0;
	int first_offset=0;
	int antecedent_segment=0;
	int subsequent_segment=0;
	//Brad add end for update content length
#ifdef GUNZIP
	char buf[MAX_PATH_LENGTH];
#endif
	struct stat statbuf;
	SQUASH_KA(req);

	complete_env(req);

	middle_segment=0;
	req->cgi_env[req->cgi_env_index] = NULL;     /* terminate cgi env */
	if ((strstr(req->request_uri,".htm")==NULL) &&
	    (strstr(req->request_uri,".asp")==NULL)) {
			return 1;
	}

	data_fd = open(req->pathname, O_RDONLY);
	if (data_fd == -1) {		/* cannot open */
#ifdef GUNZIP
		sprintf(buf, "%s.gz", req->pathname);
		data_fd = open(buf, O_RDONLY);
		if (data_fd == -1) {
#endif
			int errno_save = errno;
			log_error_doc(req);
			errno = errno_save;
#if 0
			perror("document open");
#endif
//			syslog(LOG_ERR, "Error opening %s for %s: %s\n", req->pathname,
//					req->remote_ip_addr, strerror(errno_save));
			errno = errno_save;

			if (errno == ENOENT)
				send_r_not_found(req);
			else if (errno == EACCES)
				send_r_forbidden(req);
			else
				send_r_bad_request(req);
			return 0;
#ifdef GUNZIP
		}
		close(data_fd);

		req->response_status = R_REQUEST_OK;
		if (!req->simple) {			
			req_write(req, "HTTP/1.0 200 OK-GUNZIP\r\n");
			print_http_headers(req);
			print_content_type(req);
			print_last_modified(req);
			req_write(req, "\r\n");
			req_flush(req);
		}
		if (req->method == M_HEAD)
			return 0;
		if (req->pathname)
			free(req->pathname);
		req->pathname = strdup(buf);
		return init_cgi(req);	/* 1 - OK, 2 - die */
#endif
	}
	fstat(data_fd, &statbuf);
	if (S_ISDIR(statbuf.st_mode)) {
		close(data_fd);			/* close dir */

		if (req->pathname[strlen(req->pathname) - 1] != '/') {
			char buffer[3 * MAX_PATH_LENGTH + 128];

			if (server_port != 80)
				sprintf(buffer, "http://%s:%d%s/", req->host?req->host:server_name, server_port,
						req->request_uri);
			else
				sprintf(buffer, "http://%s%s/", req->host?req->host:server_name, req->request_uri);

			send_redirect_perm(req, buffer);

			return 0;
		}
		data_fd = get_dir(req, &statbuf);	/* updates statbuf */

		if (data_fd == -1) {		/* couldn't do it */
			return 0;			/* errors reported by get_dir */
		}
		else if (data_fd == 0) {
			return 1;
		}
	}

//start modify here : tony
#if 0	
	if (req->if_modified_since &&
		!modified_since(&(statbuf.st_mtime), req->if_modified_since)) {
		send_r_not_modified(req);
		close(data_fd);
		return 0;
	}
#endif


	req->filesize = statbuf.st_size;
//	req->last_modified = statbuf.st_mtime;

	if (req->method == M_HEAD) {
		send_r_request_ok(req);
		close(data_fd);
		return 0;
	}
	/* MAP_OPTIONS: see compat.h */
	req->data_mem = mmap(0, req->filesize, 
#ifdef USE_NLS			
			PROT_READ|PROT_WRITE
#else
			PROT_READ
#endif
			, MAP_OPTIONS,data_fd, 0);

	close(data_fd);				/* close data file */

	if ((long) req->data_mem == -1) {
		boa_perror(req, "mmap");
		return 0;
	}
	
	send_r_request_ok(req);		/* All's well */

	{
		//parse and send asp page
		char *left,*right,*last_right=req->data_mem;
		int bob;
		first_offset=req->buffer_end;     //Brad add for update content length
		while (1) {
			left=strstr(last_right,"<%");
			if (left!=NULL)
				right=strstr(left,"%>");

			if ((left!=NULL) && (right!=NULL)) {
				bob=(unsigned int)left-(unsigned int)last_right;
#ifdef SUPPORT_ASP
				while((bob+req->buffer_end+10)>(req->max_buffer_size)) {    //Brad modify
					int ret;
					ret=allocNewBuffer(req);	
					if (ret==-1) {
						bob=req->max_buffer_size- req->buffer_end;
						printf("will break\n");
						break;
					}
				}
#endif
				antecedent_segment =antecedent_segment+bob;		//Brad add for update content length
				if (bob>=0) {
					memcpy(req->buffer + req->buffer_end, req->data_mem + req->filepos, bob);
					last_right=right+2;
					req->buffer_end += bob;
					req->filepos += (bob+(unsigned int)last_right-(unsigned int)left);
					handleScript(req,left,right);
				}
			}
			else {
				bob=(unsigned int)req->data_mem+req->filesize-(unsigned int)last_right;
#ifdef SUPPORT_ASP
				while((bob+req->buffer_end+10)>req->max_buffer_size) {  //Brad modify
					int ret;
					ret=allocNewBuffer(req);
					if (ret==-1) {
						bob=req->max_buffer_size- req->buffer_end;
						break;
					}
				}
#endif				
				subsequent_segment = subsequent_segment+bob;    //Brad add for update content length
				if (bob > 0) {
					memcpy(req->buffer + req->buffer_end, req->data_mem + req->filepos, bob);
					req->buffer_end += bob;
					req->filepos += bob;
				}
				break;
			}
		}
	}
//Brad add begin for update content length
	exact_content = req->buffer+first_offset;
	exact_size = antecedent_segment+middle_segment+subsequent_segment;
	//fprintf(stderr, "the exact total length of asp file=%d\n", exact_size);
	
	content_length_orig1 = strstr(req->buffer, "Content-Length:");
	content_length_orig2 = strstr(content_length_orig1, "\r\n");
	content_length_orig1 = content_length_orig1 + strlen("Content-Length: ");
	orig_char_length = content_length_orig2 - content_length_orig1;
	//fprintf(stderr, "the orig_char_length=%d\n", orig_char_length);
	exact_char_length = strlen(simple_itoa(exact_size));
	//fprintf(stderr, "the exact_char_length=%d\n", exact_char_length);
	if(orig_char_length == exact_char_length) {
		//fprintf(stderr, "Update the content length with the same char length!\n");
		memcpy(content_length_orig1, simple_itoa(exact_size),exact_char_length); 
	}else if(orig_char_length < exact_char_length) {
		//fprintf(stderr, " Update the content length with shift to later bytes!\n");
		byte_shift = exact_char_length - orig_char_length;
		head_offset = first_offset- (content_length_orig2 - req->buffer);
		total_length_shift = head_offset+exact_size;
		memmove((content_length_orig2+byte_shift), content_length_orig2, total_length_shift);
		memcpy(content_length_orig1, simple_itoa(exact_size),exact_char_length); 
		req->buffer_end = req->buffer_end+byte_shift; 
	}else {
		//fprintf(stderr, "Update the content length with shift to preceding bytes!\n");
		byte_shift = orig_char_length - exact_char_length;
		head_offset = first_offset- (content_length_orig2 - req->buffer);
		total_length_shift = head_offset+exact_size;
		memmove((content_length_orig2-byte_shift), content_length_orig2, total_length_shift);
		memcpy(content_length_orig1, simple_itoa(exact_size),exact_char_length); 
		req->buffer_end = req->buffer_end-byte_shift;  
	}	
//Brad add end for update content length
	if (req->filepos == req->filesize) {
//		req->status = CLOSE;
		return 0; /* done! */
	}

	/* We lose statbuf here, so make sure response has been sent */
	return 1;
}
Пример #29
0
int get_dir(request * req, struct stat *statbuf)
{

    char pathname_with_index[MAX_PATH_LENGTH];
    int data_fd;

    if (directory_index) {      /* look for index.html first?? */
        strcpy(pathname_with_index, req->pathname);
        strcat(pathname_with_index, directory_index);
        /*
           sprintf(pathname_with_index, "%s%s", req->pathname, directory_index);
         */

        data_fd = open(pathname_with_index, O_RDONLY);

        if (data_fd != -1) {    /* user's index file */
            strcpy(req->request_uri, directory_index); /* for mimetype */
            fstat(data_fd, statbuf);
            return data_fd;
        }
        if (errno == EACCES) {
            send_r_forbidden(req);
            return -1;
        } else if (errno != ENOENT) {
            /* if there is an error *other* than EACCES or ENOENT */
            send_r_not_found(req);
            return -1;
        }

#ifdef GUNZIP
        /* if we are here, trying index.html didn't work
         * try index.html.gz
         */
        strcat(pathname_with_index, ".gz");
        data_fd = open(pathname_with_index, O_RDONLY);
        if (data_fd != -1) {    /* user's index file */
            close(data_fd);

            req->response_status = R_REQUEST_OK;
            SQUASH_KA(req);
            if (req->pathname)
                free(req->pathname);
            req->pathname = strdup(pathname_with_index);
            if (!req->pathname) {
                log_error_time();
                perror("strdup");
                send_r_error(req);
                return 0;
            }
            if (!req->simple) {
                req_write(req, "HTTP/1.0 200 OK-GUNZIP\r\n");
                print_http_headers(req);
                print_last_modified(req);
                req_write(req, "Content-Type: ");
                req_write(req, get_mime_type(directory_index));
                req_write(req, "\r\n\r\n");
                req_flush(req);
            }
            if (req->method == M_HEAD)
                return 0;
            return init_cgi(req);
        }
#endif
    }

    /* only here if index.html, index.html.gz don't exist */
    if (dirmaker != NULL) {     /* don't look for index.html... maybe automake? */
        req->response_status = R_REQUEST_OK;
        SQUASH_KA(req);

        /* the indexer should take care of all headers */
        if (!req->simple) {
            req_write(req, "HTTP/1.0 200 OK\r\n");
            print_http_headers(req);
            print_last_modified(req);
            req_write(req, "Content-Type: text/html\r\n\r\n");
            req_flush(req);
        }
        if (req->method == M_HEAD)
            return 0;

        return init_cgi(req);
        /* in this case, 0 means success */
    } else if (cachedir) {
        return get_cachedir_file(req, statbuf);
    } else {                    /* neither index.html nor autogenerate are allowed */
        send_r_forbidden(req);
        return -1;              /* nothing worked */
    }
}
Пример #30
0
int process_get(request * req)
{
    int bytes_written;
    volatile int bytes_to_write;

    bytes_to_write = req->filesize - req->filepos;
    if (bytes_to_write > SOCKETBUF_SIZE)
        bytes_to_write = SOCKETBUF_SIZE;


    if (sigsetjmp(env, 1) == 0) {
        handle_sigbus = 1;
#ifdef SERVER_SSL
	if(req->ssl == NULL){
#endif /*SERVER_SSL*/
        bytes_written = write(req->fd, req->data_mem + req->filepos,
                              bytes_to_write);
#ifdef SERVER_SSL
	}else{
		bytes_written = SSL_write(req->ssl, req->data_mem + req->filepos, bytes_to_write);
#if 0
		printf("SSL_write\n");
#endif /*0*/
	}
#endif /*SERVER_SSL*/
        handle_sigbus = 0;
        /* OK, SIGBUS **after** this point is very bad! */
    } else {
        /* sigbus! */
        log_error_doc(req);
        /* sending an error here is inappropriate
         * if we are here, the file is mmapped, and thus,
         * a content-length has been sent. If we send fewer bytes
         * the client knows there has been a problem.
         * We run the risk of accidentally sending the right number
         * of bytes (or a few too many) and the client
         * won't be the wiser.
         */
        req->status = DEAD;
        fprintf(stderr, "%sGot SIGBUS in write(2)!\n", get_commonlog_time());
        return 0;
    }

    if (bytes_written < 0) {
        if (errno == EWOULDBLOCK || errno == EAGAIN)
            return -1;
        /* request blocked at the pipe level, but keep going */
        else {
            if (errno != EPIPE) {
                log_error_doc(req);
                /* Can generate lots of log entries, */
                perror("write");
                /* OK to disable if your logs get too big */
            }
            req->status = DEAD;
            return 0;
        }
    }
    req->filepos += bytes_written;
	req->busy_flag = BUSY_FLAG_AUDIO|BUSY_FLAG_VIDEO;
    if (req->filepos == req->filesize) { /* EOF */

#ifdef DAVINCI_IPCAM
        if (req->http_stream == URI_STREAM_MJPEG) {
#if 1
#if 0
            while (audio_get(req) > 0);
            if (req->audio_length >= AUDIO_SEND_SIZE) {
                audio_send(req);
                return 1;
            }
#else
            if (audio_get(req, FMT_MJPEG) > 0)
			return 1;
#endif
#else
		req->busy_flag &= ~BUSY_FLAG_AUDIO;
#endif
            if (req->serial_lock) {
                GetAVData(AV_OP_UNLOCK_MJPEG, req->serial_lock, NULL);
                req->serial_lock = 0;
            }
            GetAVData(AV_OP_GET_MJPEG_SERIAL, -1, &req->av_data);
            if (req->av_data.serial < req->serial_book) {
                req->busy_flag &= ~BUSY_FLAG_VIDEO;
                return 1;
            }
            GetAVData(AV_OP_LOCK_MJPEG, req->av_data.serial, &req->av_data );
            req->data_mem = req->av_data.ptr;
            req->filesize = req->av_data.size+16;
            req->filepos = 0;
            req->serial_lock = req->av_data.serial;
            req->serial_book = req->av_data.serial+1;
            reset_output_buffer(req);
            req_write(req, "\r\n");
            print_mjpeg_headers(req);
            return 1;
        }
        if (req->http_stream == URI_STREAM_MPEG4 || req->http_stream == URI_STREAM_AVC) {
            int ret;
#if 1
#if 0
		while (audio_get(req) > 0);
		if (req->audio_length > AUDIO_SEND_SIZE) {
			req->busy_flag |= BUSY_FLAG_AUDIO;
			audio_send(req);
      		      return 1;
		}
#else
            if (audio_get(req, FMT_MPEG4) > 0)
			return 1;
#endif
#else
		req->busy_flag &= ~BUSY_FLAG_AUDIO;
#endif
            ret = GetAVData(AV_OP_LOCK_MP4, req->serial_book, &req->av_data);
            if (ret == RET_SUCCESS) {
                GetAVData(AV_OP_UNLOCK_MP4, req->serial_lock, NULL);
                req->data_mem = req->av_data.ptr;
                req->filesize = req->av_data.size+16;
                req->filepos = 0;

                req->serial_lock = req->av_data.serial;
                req->serial_book = req->av_data.serial+1;

                reset_output_buffer(req);
                req_write(req, "\r\n");
				if (req->http_stream == URI_STREAM_AVC)
                { print_avc_headers(req); }
				else
				{ print_mpeg4_headers(req); }
                return 1;
            }
            else if (ret == RET_NO_VALID_DATA) {
                req->busy_flag &= ~BUSY_FLAG_VIDEO;
                return 1;
            }
            else {
                GetAVData(AV_OP_GET_MPEG4_SERIAL, -1, &req->av_data );
                req->serial_book = req->av_data.serial;
                dbg("lock error ret=%d\n", ret);
                return 1;
            }
        }
        if (req->http_stream == URI_STREAM_MPEG4CIF || req->http_stream == URI_STREAM_AVCCIF) {
            int ret;
#if 1
#if 0
		while (audio_get(req) > 0);
		if (req->audio_length > AUDIO_SEND_SIZE) {
			audio_send(req);
      		      return 1;
		}
#else
            if (audio_get(req, FMT_MPEG4_EXT) > 0)
			return 1;
#endif
#else
		req->busy_flag &= ~BUSY_FLAG_AUDIO;
#endif
            ret = GetAVData(AV_OP_LOCK_MP4_CIF, req->serial_book, &req->av_data);
            if (ret == RET_SUCCESS) {
                GetAVData(AV_OP_UNLOCK_MP4_CIF, req->serial_lock, NULL);
                req->data_mem = req->av_data.ptr;
                req->filesize = req->av_data.size+16;
                req->filepos = 0;

                req->serial_lock = req->av_data.serial;
                req->serial_book = req->av_data.serial+1;

                reset_output_buffer(req);
                req_write(req, "\r\n");
				if (req->http_stream == URI_STREAM_AVCCIF)
                { print_avc_headers(req); }
				else
				{ print_mpeg4_headers(req); }
                return 1;
            }
            else if (ret == RET_NO_VALID_DATA) {
                req->busy_flag &= ~BUSY_FLAG_VIDEO;
                return 1;
            }
            else {
                GetAVData(AV_OP_GET_MPEG4_CIF_SERIAL, -1, &req->av_data );
                req->serial_book = req->av_data.serial;
                dbg("lock error ret=%d\n", ret);
                return 1;
            }
        }
#endif  // DAVINCI_IPCAM
        return 0;
    } else
        return 1;               /* more to do */
}