jk_nsapi_plugin.c

jboss与apache集成的中间件,详情请参看文档说明.

            }

/*            if(wc_open(init_map, NULL, logger)) {
                magnus_atrestart(jk_term, NULL);
                rc = REQ_PROCEED;
            }
*/
        }

        jk_map_free(&init_map);
    }

#ifdef NETWARE
    PR_IsSocketSecure =
        (int (*)(void **))ImportSymbol(GetNLMHandle(), "PR_IsSocketSecure");
#endif
    return rc;
}

NSAPI_PUBLIC void jk_term(void *p)
{
#ifdef NETWARE
    if (NULL != PR_IsSocketSecure) {
        UnimportSymbol(GetNLMHandle(), "PR_IsSocketSecure");
        PR_IsSocketSecure = NULL;
    }
#endif
    wc_close(logger);
    if (logger) {
        jk_close_file_logger(&logger);
    }
}

NSAPI_PUBLIC int jk_service(pblock * pb, Session * sn, Request * rq)
{
    char *worker_name = pblock_findval(JK_WORKER_NAME_TAG, pb);
    char *uri_pattern = pblock_findval(URI_PATTERN, pb);
    jk_worker_t *worker;
    int rc = REQ_ABORTED;

    if (uri_pattern) {
        char *uri = pblock_findval("uri", rq->reqpb);

        if (0 != shexp_match(uri, uri_pattern)) {
            return REQ_NOACTION;
        }
    }

    if (!worker_name) {
        worker_name = DEFAULT_WORKER_NAME;
    }

    worker = wc_get_worker_for_name(worker_name, logger);
    if (worker) {
        nsapi_private_data_t private_data;
        jk_ws_service_t s;
        jk_pool_atom_t buf[SMALL_POOL_SIZE];

        jk_open_pool(&private_data.p, buf, sizeof(buf));

        private_data.request_started = JK_FALSE;
        private_data.pb = pb;
        private_data.sn = sn;
        private_data.rq = rq;

        jk_init_ws_service(&s);

        s.ws_private = &private_data;
        s.pool = &private_data.p;

        wc_maintain(logger);
        if (init_ws_service(&private_data, &s)) {
            jk_endpoint_t *e = NULL;
            if (worker->get_endpoint(worker, &e, logger)) {
                int recover = JK_FALSE;
                if (e->service(e, &s, logger, &recover)) {
                    rc = REQ_PROCEED;
                }
                e->done(&e, logger);
            }
        }
        jk_close_pool(&private_data.p);
    }

    return rc;
}

static int init_ws_service(nsapi_private_data_t * private_data,
                           jk_ws_service_t *s)
{
    char *tmp;
    int rc;

    s->jvm_route = NULL;
    s->start_response = start_response;
    s->read = ws_read;
    s->write = ws_write;
    s->flush = NULL;

    /* Clear RECO status */
    s->reco_status = RECO_NONE;

    s->auth_type = pblock_findval("auth-type", private_data->rq->vars);
    s->remote_user = pblock_findval("auth-user", private_data->rq->vars);

    s->content_length = 0;
    tmp = NULL;
    rc = request_header("content-length",
                        &tmp, private_data->sn, private_data->rq);

    if ((rc != REQ_ABORTED) && tmp) {
        s->content_length = atoi(tmp);
    }

    s->method = pblock_findval("method", private_data->rq->reqpb);
    s->protocol = pblock_findval("protocol", private_data->rq->reqpb);

    s->remote_host = session_dns(private_data->sn);
    s->remote_addr = pblock_findval("ip", private_data->sn->client);

    s->req_uri = pblock_findval("uri", private_data->rq->reqpb);
    s->query_string = pblock_findval("query", private_data->rq->reqpb);

    s->server_name = server_hostname;

#ifdef NETWARE
    /* On NetWare, since we have virtual servers, we have a different way of
     * getting the port that we need to try first.
     */
    tmp = pblock_findval("server_port", private_data->sn->client);
    if (NULL != tmp)
        s->server_port = atoi(tmp);
    else
#endif
        s->server_port = server_portnum;
    s->server_software = system_version();


    s->headers_names = NULL;
    s->headers_values = NULL;
    s->num_headers = 0;

#ifdef NETWARE
    /* on NetWare, we can have virtual servers that are secure.
     * PR_IsSocketSecure is an api made available with virtual servers to check
     * if the socket is secure or not
     */
    if (NULL != PR_IsSocketSecure)
        s->is_ssl = PR_IsSocketSecure(private_data->sn->csd);
    else
#endif
        s->is_ssl = security_active;

    s->ssl_key_size = -1;       /* required by Servlet 2.3 Api, added in jtc */
    if (s->is_ssl) {
        char *ssl_cert = pblock_findval("auth-cert", private_data->rq->vars);
        if (ssl_cert != NULL) {
            s->ssl_cert = jk_pool_alloc(s->pool, sizeof(ssl_cert_start)+
                                                 strlen(ssl_cert)+
                                                 sizeof(ssl_cert_end));
            strcpy(s->ssl_cert, ssl_cert_start);
            strcat(s->ssl_cert, ssl_cert);
            strcat(s->ssl_cert, ssl_cert_end);
            s->ssl_cert_len = strlen(s->ssl_cert);
        }
        s->ssl_cipher = pblock_findval("cipher", private_data->sn->client);
        s->ssl_session = pblock_findval("ssl-id", private_data->sn->client);
    }
    else {
        s->ssl_cert = NULL;
        s->ssl_cert_len = 0;
        s->ssl_cipher = NULL;
        s->ssl_session = NULL;
    }

    return setup_http_headers(private_data, s);
}

static int setup_http_headers(nsapi_private_data_t * private_data,
                              jk_ws_service_t *s)
{
    int need_content_length_header =
        (s->content_length == 0) ? JK_TRUE : JK_FALSE;

    pblock *headers_jar = private_data->rq->headers;
    int cnt;
    int i;

    for (i = 0, cnt = 0; i < headers_jar->hsize; i++) {
        struct pb_entry *h = headers_jar->ht[i];
        while (h && h->param) {
            cnt++;
            h = h->next;
        }
    }

    s->headers_names = NULL;
    s->headers_values = NULL;
    s->num_headers = cnt;
    if (cnt) {
        /* allocate an extra header slot in case we need to add a content-length header */
        s->headers_names =
            jk_pool_alloc(&private_data->p, (cnt + 1) * sizeof(char *));
        s->headers_values =
            jk_pool_alloc(&private_data->p, (cnt + 1) * sizeof(char *));

        if (s->headers_names && s->headers_values) {
            for (i = 0, cnt = 0; i < headers_jar->hsize; i++) {
                struct pb_entry *h = headers_jar->ht[i];
                while (h && h->param) {
                    s->headers_names[cnt] = h->param->name;
                    s->headers_values[cnt] = h->param->value;
                    if (need_content_length_header &&
                        !strncmp(h->param->name, "content-length", 14)) {
                        need_content_length_header = JK_FALSE;
                    }
                    cnt++;
                    h = h->next;
                }
            }
            /* Add a content-length = 0 header if needed.
             * Ajp13 assumes an absent content-length header means an unknown,
             * but non-zero length body.
             */
            if (need_content_length_header) {
                s->headers_names[cnt] = "content-length";
                s->headers_values[cnt] = "0";
                cnt++;
            }
            s->num_headers = cnt;
            return JK_TRUE;
        }
    }
    else {
        if (need_content_length_header) {
            s->headers_names =
                jk_pool_alloc(&private_data->p, sizeof(char *));
            s->headers_values =
                jk_pool_alloc(&private_data->p, sizeof(char *));
            if (s->headers_names && s->headers_values) {
                s->headers_names[0] = "content-length";
                s->headers_values[0] = "0";
                s->num_headers++;
                return JK_TRUE;
            }
        }
        else
            return JK_TRUE;
    }

    return JK_FALSE;
}