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From "Ch Zhang (JIRA)" <j...@apache.org>
Subject [jira] Created: (AXIS2C-1511) infinite loop when consuming a .NET ws with long header string (more than 512 chars in a row).
Date Tue, 14 Dec 2010 18:57:06 GMT
infinite loop when consuming a .NET ws with long header string (more than 512 chars in a row).
----------------------------------------------------------------------------------------------

                 Key: AXIS2C-1511
                 URL: https://issues.apache.org/jira/browse/AXIS2C-1511
             Project: Axis2-C
          Issue Type: Bug
          Components: transport/http
    Affects Versions: 1.6.0
         Environment: RHEL Linux 4.3.  Axis2/c 1.6.0
            Reporter: Ch Zhang
            Priority: Critical


Here is the http headers from the response  from the web service (get from tcpmon):

HTTP/1.1 200 OK

Date: Tue, 14 Dec 2010 18:47:17 GMT

Server: Microsoft-IIS/6.0

X-Powered-By: ASP.NET

X-AspNet-Version: 2.0.50727

Set-Cookie: pabca=E1805E180758BC35D93575A3597546AFD230A7607FA5BAE50040E84E5D45EB45732A0F11E079EE9233258616347A96DA23EE87A42A999CE55679596A4C2E7505CEC45630684815FB399246F720B76DC12DC52D9AE57ECD329F1BD0D10F09B284280733B6C21213053E1E4E6974668B77B0EFE7FFFB39F51F4A4F02ED6C2BA46531BAF3412E667076A5D677A933D6FE9EDD37488867D7CD5D9E0FA205E62002BE3E0818427A07EE8A52A99DF0605DC9AF0C93A1610285E65CF59397F6A06959C48CB83268E2BDC3DA1578D1082F4578A9A4B594F58FB41596F108E5D486C2B1E9DBA3F9E;
domain=somecompany.com; path=/; HttpOnly

Cache-Control: private, max-age=0

Content-Type: application/soap+xml; charset=utf-8

Content-Length: 899



Beause the header:  "Set-Cookie" is too long (it has 516 chars), so pasring this line in "core/transport/http/sender/http_client.c"
line 623(see below), axis2/c enters an infinite loop because it cannot find the end of line.
The client never finishes because of this infinite loop.

   /* now read the headers */
    memset(str_header, 0, 512);
    end_of_line = AXIS2_FALSE;
    while (AXIS2_FALSE == end_of_headers)
    {
        while ((read = axutil_stream_read(client->data_stream, env, tmp_buf,
                                          1)) > 0)
        {
            tmp_buf[read] = '\0';
            strcat(str_header, tmp_buf);
            if (0 != strstr(str_header, AXIS2_HTTP_CRLF)) /* !!! never true !!!*/
            {
                end_of_line = AXIS2_TRUE;
                break;
            }
        }
        if (AXIS2_TRUE == end_of_line)
        {
            if (0 == axutil_strcmp(str_header, AXIS2_HTTP_CRLF))
            {
                end_of_headers = AXIS2_TRUE;
            }
            else
            {
                axis2_http_header_t *tmp_header =
                    axis2_http_header_create_by_str(env, str_header);
                memset(str_header, 0, 512);
                if (tmp_header)
                {
                    axis2_http_simple_response_set_header(client->response,
                                                          env, tmp_header);
                }
            }
        }
        end_of_line = AXIS2_FALSE;
    }
    axis2_http_simple_response_set_body_stream(client->response, env,
                                               client->data_stream);


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