static void
php_apache_sapi_flush(void *server_context)
{
php_struct *ctx;
request_rec *r;
ctx = server_context;
/* If we haven't registered a server_context yet,
* then don't bother flushing. */
if (!server_context) {
return;
}
r = ctx->r;
sapi_send_headers();
r->status = SG(sapi_headers).http_response_code;
SG(headers_sent) = 1;
if (ap_rflush(r) < 0 || r->connection->aborted) {
php_handle_aborted_connection();
}
}
CAMLprim value
netcgi2_apache_request_rflush (value rv)
{
CAMLparam1 (rv);
request_rec *r = Request_rec_val (rv);
int i = ap_rflush (r);
CAMLreturn (Val_int (i));
}
/**
* Writes a single chunk of multipart/x-mixed-replace content
*/
static void osrfHttpTranslatorWriteChunk(osrfHttpTranslator* trans, transport_message* msg) {
osrfLogInternal(OSRF_LOG_MARK, "sending multipart chunk %s", msg->body);
ap_rprintf(trans->apreq,
"Content-type: %s\n\n%s\n\n", JSON_CONTENT_TYPE, msg->body);
//osrfLogInternal(OSRF_LOG_MARK, "Apache sending data: Content-type: %s\n\n%s\n\n",
//JSON_CONTENT_TYPE, msg->body);
if(trans->complete) {
ap_rprintf(trans->apreq, "--%s--\n", trans->delim);
//osrfLogInternal(OSRF_LOG_MARK, "Apache sending data: --%s--\n", trans->delim);
} else {
ap_rprintf(trans->apreq, "--%s\n", trans->delim);
//osrfLogInternal(OSRF_LOG_MARK, "Apache sending data: --%s\n", trans->delim);
}
ap_rflush(trans->apreq);
}
static int lua_ap_send(lua_State *L)
{
request_rec *r = CHECK_REQUEST_OBJECT(1);
size_t len;
const char* dat = luaL_checklstring(L, 2, &len);
int flush = lua_isnone(L, 3) ? 1 : lua_toboolean(L, 3);
int s = ap_rwrite(dat, len, r);
if (s == len)
{
s = flush ? ap_rflush(r) : 0;
}
lua_pushboolean(L, s == 0);
lua_pushinteger(L, s);
return 2;
}
static am_status_t set_custom_response(am_request_t *rq, const char *text, const char *cont_type) {
request_rec *r = (request_rec *) (rq != NULL ? rq->ctx : NULL);
if (r == NULL || !ISVALID(text)) return AM_EINVAL;
if (rq->status == AM_INTERNAL_REDIRECT) {
ap_internal_redirect(text, r);
rq->status = AM_DONE;
} else if (rq->status == AM_REDIRECT) {
apr_table_add(r->headers_out, "Location", text);
ap_custom_response(r, HTTP_MOVED_TEMPORARILY, text);
} else {
if (rq->status == AM_PDP_DONE) {
request_rec *sr = ap_sub_req_method_uri(am_method_num_to_str(rq->method),
rq->post_data_url, r, NULL);
sr->headers_in = r->headers_in;
sr->notes = r->notes;
am_log_debug(rq->instance_id, "set_custom_response(): issuing sub-request %s to %s",
sr->method, rq->post_data_url);
ap_run_sub_req(sr);
ap_destroy_sub_req(sr);
rq->status = AM_DONE;
} else {
size_t tl = strlen(text);
if (ISVALID(cont_type)) {
ap_set_content_type(r, cont_type);
}
ap_set_content_length(r, tl);
ap_rwrite(text, (int) tl, r);
ap_custom_response(r,
am_status_value(rq->status == AM_SUCCESS ||
rq->status == AM_DONE ? AM_SUCCESS : rq->status), text);
ap_rflush(r);
}
}
am_log_info(rq->instance_id, "set_custom_response(): status: %s", am_strerror(rq->status));
return AM_SUCCESS;
}
static PyObject * req_write(requestobject *self, PyObject *args)
{
int len;
int rc;
char *buff;
if (! PyArg_ParseTuple(args, "s#", &buff, &len))
return NULL; /* bad args */
Py_BEGIN_ALLOW_THREADS
ap_rwrite(buff, len, self->request_rec);
rc = ap_rflush(self->request_rec);
Py_END_ALLOW_THREADS
if (rc == EOF) {
PyErr_SetString(PyExc_IOError, "Write failed, client closed connection.");
return NULL;
}
Py_INCREF(Py_None);
return Py_None;
}
/* {{{ proto bool virtual(string uri)
Perform an apache sub-request */
PHP_FUNCTION(virtual)
{
char *filename;
size_t filename_len;
request_rec *rr;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "p", &filename, &filename_len) == FAILURE) {
return;
}
if (!(rr = php_apache_lookup_uri(filename))) {
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - URI lookup failed", filename);
RETURN_FALSE;
}
if (rr->status != HTTP_OK) {
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - error finding URI", filename);
ap_destroy_sub_req(rr);
RETURN_FALSE;
}
/* Flush everything. */
php_output_end_all();
php_header();
/* Ensure that the ap_r* layer for the main request is flushed, to
* work around http://issues.apache.org/bugzilla/show_bug.cgi?id=17629 */
ap_rflush(rr->main);
if (ap_run_sub_req(rr)) {
php_error_docref(NULL, E_WARNING, "Unable to include '%s' - request execution failed", filename);
ap_destroy_sub_req(rr);
RETURN_FALSE;
}
ap_destroy_sub_req(rr);
RETURN_TRUE;
}
/*
* ic_transfer_response()
* ----------------------
* Read the response from the Interchange server
* and relay it to the client
*/
static int ic_transfer_response(request_rec *r,BUFF *ic_buff)
{
const char *location;
int rc,ic_sock;
char sbuf[MAX_STRING_LEN],argsbuffer[MAX_STRING_LEN];
/*
* get the socket we are using to talk to the
* Interchange server, and wait for Interchange to
* send us some data
*/
ic_sock = ap_bfileno(ic_buff,B_RD);
rc = ic_select(ic_sock,0,IC_DEFAULT_TIMEOUT,0);
if (rc < 0){
ap_log_reason("Failed to select the response header",r->uri,r);
return HTTP_INTERNAL_SERVER_ERROR;
}
/*
* check the HTTP header to make sure that it looks valid
*/
if ((rc = ap_scan_script_header_err_buff(r,ic_buff,sbuf)) != OK) {
if (rc == HTTP_INTERNAL_SERVER_ERROR) {
ap_log_rerror(APLOG_MARK,APLOG_ERR|APLOG_NOERRNO,r,"Malformed header return by Interchange: %s",sbuf);
}
return rc;
}
/*
* check the header for an HTTP redirect request
*/
location = ap_table_get(r->headers_out,"Location");
if (r->status == 200 && location){
fd_set sock_set;
/*
* check if we need to do an external redirect
*/
if (*location != '/')
return REDIRECT;
/*
* we are here because we need to do an internal redirect
*
* soak up any data from the Interchange socket
*/
rc = ic_select(ic_sock,0,IC_DEFAULT_TIMEOUT,0);
if (rc < 0){
ap_log_reason("Failed to select the response text",r->uri,r);
return HTTP_INTERNAL_SERVER_ERROR;
}
/*
* soak up any body-text sent by the Interchange server
*/
ap_soft_timeout("mod_interchange: Interchange read",r);
while (ap_bgets(argsbuffer,MAX_STRING_LEN,ic_buff) > 0)
;
ap_kill_timeout(r);
/*
* always use the GET method for internal redirects
* also, unset the Content-Length so that nothing
* else tries to re-read the text we just soaked up
*/
r->method = ap_pstrdup(r->pool,"GET");
r->method_number = M_GET;
ap_table_unset(r->headers_in,"Content-Length");
ap_internal_redirect(location,r);
return OK;
}
/*
* we were not redirected, so send the HTTP headers
* to the client
*/
ap_hard_timeout("mod_interchange: Client write",r);
ap_send_http_header(r);
if (ap_rflush(r) < 0){
ap_log_reason("error sending headers to client",r->uri,r);
return HTTP_INTERNAL_SERVER_ERROR;
}
/*
* if Interchange is sending body text (HTML), then
* relay this to the client
*/
if (!r->header_only){
ap_reset_timeout(r);
if ((rc = ap_bnonblock(ic_buff,B_RD)) != 0){
ap_log_reason("error turning non blocking I/O on Interchange socket",r->uri,r);
return HTTP_INTERNAL_SERVER_ERROR;
}
ap_bsetflag(ic_buff,B_SAFEREAD,1);
if (ap_send_fb(ic_buff,r) <= 0){
ap_log_reason("error sending response body to client",r->uri,r);
return HTTP_INTERNAL_SERVER_ERROR;
}
}
ap_kill_timeout(r);
return OK;
}
/* CONNECT handler */
static int proxy_connect_handler(request_rec *r, proxy_worker *worker,
proxy_server_conf *conf,
char *url, const char *proxyname,
apr_port_t proxyport)
{
apr_pool_t *p = r->pool;
apr_socket_t *sock;
apr_status_t err, rv;
apr_size_t i, o, nbytes;
char buffer[HUGE_STRING_LEN];
apr_socket_t *client_socket = ap_get_module_config(r->connection->conn_config, &core_module);
int failed;
apr_pollset_t *pollset;
apr_pollfd_t pollfd;
const apr_pollfd_t *signalled;
apr_int32_t pollcnt, pi;
apr_int16_t pollevent;
apr_sockaddr_t *uri_addr, *connect_addr;
apr_uri_t uri;
const char *connectname;
int connectport = 0;
/* is this for us? */
if (r->method_number != M_CONNECT) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: declining URL %s", url);
return DECLINED;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: serving URL %s", url);
/*
* Step One: Determine Who To Connect To
*
* Break up the URL to determine the host to connect to
*/
/* we break the URL into host, port, uri */
if (APR_SUCCESS != apr_uri_parse_hostinfo(p, url, &uri)) {
return ap_proxyerror(r, HTTP_BAD_REQUEST,
apr_pstrcat(p, "URI cannot be parsed: ", url, NULL));
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: connecting %s to %s:%d", url, uri.hostname, uri.port);
/* do a DNS lookup for the destination host */
err = apr_sockaddr_info_get(&uri_addr, uri.hostname, APR_UNSPEC, uri.port, 0, p);
/* are we connecting directly, or via a proxy? */
if (proxyname) {
connectname = proxyname;
connectport = proxyport;
err = apr_sockaddr_info_get(&connect_addr, proxyname, APR_UNSPEC, proxyport, 0, p);
}
else {
connectname = uri.hostname;
connectport = uri.port;
connect_addr = uri_addr;
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: connecting to remote proxy %s on port %d", connectname, connectport);
/* check if ProxyBlock directive on this host */
if (OK != ap_proxy_checkproxyblock(r, conf, uri_addr)) {
return ap_proxyerror(r, HTTP_FORBIDDEN,
"Connect to remote machine blocked");
}
/* Check if it is an allowed port */
if (conf->allowed_connect_ports->nelts == 0) {
/* Default setting if not overridden by AllowCONNECT */
switch (uri.port) {
case APR_URI_HTTPS_DEFAULT_PORT:
case APR_URI_SNEWS_DEFAULT_PORT:
break;
default:
/* XXX can we call ap_proxyerror() here to get a nice log message? */
return HTTP_FORBIDDEN;
}
} else if(!allowed_port(conf, uri.port)) {
/* XXX can we call ap_proxyerror() here to get a nice log message? */
return HTTP_FORBIDDEN;
}
/*
* Step Two: Make the Connection
*
* We have determined who to connect to. Now make the connection.
*/
/* get all the possible IP addresses for the destname and loop through them
* until we get a successful connection
*/
if (APR_SUCCESS != err) {
return ap_proxyerror(r, HTTP_BAD_GATEWAY, apr_pstrcat(p,
"DNS lookup failure for: ",
connectname, NULL));
}
/*
* At this point we have a list of one or more IP addresses of
* the machine to connect to. If configured, reorder this
* list so that the "best candidate" is first try. "best
* candidate" could mean the least loaded server, the fastest
* responding server, whatever.
*
* For now we do nothing, ie we get DNS round robin.
* XXX FIXME
*/
failed = ap_proxy_connect_to_backend(&sock, "CONNECT", connect_addr,
connectname, conf, r->server,
r->pool);
/* handle a permanent error from the above loop */
if (failed) {
if (proxyname) {
return DECLINED;
}
else {
return HTTP_BAD_GATEWAY;
}
}
/*
* Step Three: Send the Request
*
* Send the HTTP/1.1 CONNECT request to the remote server
*/
/* we are acting as a tunnel - the output filter stack should
* be completely empty, because when we are done here we are done completely.
* We add the NULL filter to the stack to do this...
*/
r->output_filters = NULL;
r->connection->output_filters = NULL;
/* If we are connecting through a remote proxy, we need to pass
* the CONNECT request on to it.
*/
if (proxyport) {
/* FIXME: Error checking ignored.
*/
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: sending the CONNECT request to the remote proxy");
nbytes = apr_snprintf(buffer, sizeof(buffer),
"CONNECT %s HTTP/1.0" CRLF, r->uri);
apr_socket_send(sock, buffer, &nbytes);
nbytes = apr_snprintf(buffer, sizeof(buffer),
"Proxy-agent: %s" CRLF CRLF, ap_get_server_banner());
apr_socket_send(sock, buffer, &nbytes);
}
else {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: Returning 200 OK Status");
nbytes = apr_snprintf(buffer, sizeof(buffer),
"HTTP/1.0 200 Connection Established" CRLF);
ap_xlate_proto_to_ascii(buffer, nbytes);
apr_socket_send(client_socket, buffer, &nbytes);
nbytes = apr_snprintf(buffer, sizeof(buffer),
"Proxy-agent: %s" CRLF CRLF, ap_get_server_banner());
ap_xlate_proto_to_ascii(buffer, nbytes);
apr_socket_send(client_socket, buffer, &nbytes);
#if 0
/* This is safer code, but it doesn't work yet. I'm leaving it
* here so that I can fix it later.
*/
r->status = HTTP_OK;
r->header_only = 1;
apr_table_set(r->headers_out, "Proxy-agent: %s", ap_get_server_banner());
ap_rflush(r);
#endif
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: setting up poll()");
/*
* Step Four: Handle Data Transfer
*
* Handle two way transfer of data over the socket (this is a tunnel).
*/
/* r->sent_bodyct = 1;*/
if ((rv = apr_pollset_create(&pollset, 2, r->pool, 0)) != APR_SUCCESS)
{
apr_socket_close(sock);
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
"proxy: CONNECT: error apr_pollset_create()");
return HTTP_INTERNAL_SERVER_ERROR;
}
/* Add client side to the poll */
pollfd.p = r->pool;
pollfd.desc_type = APR_POLL_SOCKET;
pollfd.reqevents = APR_POLLIN;
pollfd.desc.s = client_socket;
pollfd.client_data = NULL;
apr_pollset_add(pollset, &pollfd);
/* Add the server side to the poll */
pollfd.desc.s = sock;
apr_pollset_add(pollset, &pollfd);
while (1) { /* Infinite loop until error (one side closes the connection) */
if ((rv = apr_pollset_poll(pollset, -1, &pollcnt, &signalled)) != APR_SUCCESS) {
apr_socket_close(sock);
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, "proxy: CONNECT: error apr_poll()");
return HTTP_INTERNAL_SERVER_ERROR;
}
#ifdef DEBUGGING
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: woke from select(), i=%d", pollcnt);
#endif
for (pi = 0; pi < pollcnt; pi++) {
const apr_pollfd_t *cur = &signalled[pi];
if (cur->desc.s == sock) {
pollevent = cur->rtnevents;
if (pollevent & APR_POLLIN) {
#ifdef DEBUGGING
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: sock was set");
#endif
nbytes = sizeof(buffer);
rv = apr_socket_recv(sock, buffer, &nbytes);
if (rv == APR_SUCCESS) {
o = 0;
i = nbytes;
while(i > 0)
{
nbytes = i;
/* This is just plain wrong. No module should ever write directly
* to the client. For now, this works, but this is high on my list of
* things to fix. The correct line is:
* if ((nbytes = ap_rwrite(buffer + o, nbytes, r)) < 0)
* rbb
*/
rv = apr_socket_send(client_socket, buffer + o, &nbytes);
if (rv != APR_SUCCESS)
break;
o += nbytes;
i -= nbytes;
}
}
else
break;
}
else if ((pollevent & APR_POLLERR) || (pollevent & APR_POLLHUP))
break;
}
else if (cur->desc.s == client_socket) {
pollevent = cur->rtnevents;
if (pollevent & APR_POLLIN) {
#ifdef DEBUGGING
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: client was set");
#endif
nbytes = sizeof(buffer);
rv = apr_socket_recv(client_socket, buffer, &nbytes);
if (rv == APR_SUCCESS) {
o = 0;
i = nbytes;
#ifdef DEBUGGING
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: read %d from client", i);
#endif
while(i > 0)
{
nbytes = i;
rv = apr_socket_send(sock, buffer + o, &nbytes);
if (rv != APR_SUCCESS)
break;
o += nbytes;
i -= nbytes;
}
}
else
break;
}
else if ((pollevent & APR_POLLERR) || (pollevent & APR_POLLHUP)) {
rv = APR_EOF;
break;
}
}
else
break;
}
if (rv != APR_SUCCESS) {
break;
}
}
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"proxy: CONNECT: finished with poll() - cleaning up");
/*
* Step Five: Clean Up
*
* Close the socket and clean up
*/
apr_socket_close(sock);
return OK;
}
/**
* Handle a request.
*/
static int
caucho_request(request_rec *r)
{
config_t *config = cse_get_module_config(r);
resin_host_t *host = 0;
stream_t s;
int retval;
int keepalive = 0;
int reuse;
int session_index;
int backup_index;
char *ip;
time_t now = r->request_time;
char *session_id = 0;
if (! config)
return HTTP_SERVICE_UNAVAILABLE;
if ((retval = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK)))
return retval;
/* ap_soft_timeout("servlet request", r); */
if (r->request_config && ! *config->alt_session_url_prefix &&
((session_id = ap_get_module_config(r->request_config, &caucho_module)) ||
r->prev &&
(session_id = ap_get_module_config(r->prev->request_config, &caucho_module)))) {
/* *session_id = *config->session_url_prefix; */
}
session_index = get_session_index(config, r, &backup_index);
ip = r->connection->remote_ip;
if (host) {
}
else if (config->manual_host)
host = config->manual_host;
else {
host = cse_match_host(config,
ap_get_server_name(r),
ap_get_server_port(r),
now);
}
if (! host ||
! cse_open_connection(&s, &host->cluster, session_index, backup_index,
now, r->pool)) {
return HTTP_SERVICE_UNAVAILABLE;
}
reuse = write_request(&s, r, config, &host->cluster, &keepalive,
session_index, backup_index,
ip, session_id);
/*
ap_kill_timeout(r);
*/
ap_rflush(r);
if (reuse == HMUX_QUIT)
cse_recycle(&s, now);
else
cse_close(&s, "no reuse");
if (reuse == HTTP_SERVICE_UNAVAILABLE)
return reuse;
else
return OK;
}
static void do_flush( void *_c ) {
mcontext *c = (mcontext*)_c;
ap_rflush(c->r);
}
/**
cgi_flush : void -> void
<doc>Flush the data written so it's immediatly sent to the client</doc>
**/
static value cgi_flush() {
ap_rflush(CONTEXT()->r);
return val_null;
}
/* CONNECT handler */
static int proxy_connect_handler(request_rec *r, proxy_worker *worker,
proxy_server_conf *conf,
char *url, const char *proxyname,
apr_port_t proxyport)
{
connect_conf *c_conf =
ap_get_module_config(r->server->module_config, &proxy_connect_module);
apr_pool_t *p = r->pool;
apr_socket_t *sock;
conn_rec *c = r->connection;
conn_rec *backconn;
apr_bucket_brigade *bb = apr_brigade_create(p, c->bucket_alloc);
apr_status_t rv;
apr_size_t nbytes;
char buffer[HUGE_STRING_LEN];
apr_socket_t *client_socket = ap_get_conn_socket(c);
int failed, rc;
int client_error = 0;
apr_pollset_t *pollset;
apr_pollfd_t pollfd;
const apr_pollfd_t *signalled;
apr_int32_t pollcnt, pi;
apr_int16_t pollevent;
apr_sockaddr_t *nexthop;
apr_uri_t uri;
const char *connectname;
int connectport = 0;
/* is this for us? */
if (r->method_number != M_CONNECT) {
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "declining URL %s", url);
return DECLINED;
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "serving URL %s", url);
/*
* Step One: Determine Who To Connect To
*
* Break up the URL to determine the host to connect to
*/
/* we break the URL into host, port, uri */
if (APR_SUCCESS != apr_uri_parse_hostinfo(p, url, &uri)) {
return ap_proxyerror(r, HTTP_BAD_REQUEST,
apr_pstrcat(p, "URI cannot be parsed: ", url,
NULL));
}
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01019)
"connecting %s to %s:%d", url, uri.hostname, uri.port);
/* Determine host/port of next hop; from request URI or of a proxy. */
connectname = proxyname ? proxyname : uri.hostname;
connectport = proxyname ? proxyport : uri.port;
/* Do a DNS lookup for the next hop */
rv = apr_sockaddr_info_get(&nexthop, connectname, APR_UNSPEC,
connectport, 0, p);
if (rv != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(02327)
"failed to resolve hostname '%s'", connectname);
return ap_proxyerror(r, HTTP_BAD_GATEWAY,
apr_pstrcat(p, "DNS lookup failure for: ",
connectname, NULL));
}
/* Check ProxyBlock directive on the hostname/address. */
if (ap_proxy_checkproxyblock2(r, conf, uri.hostname,
proxyname ? NULL : nexthop) != OK) {
return ap_proxyerror(r, HTTP_FORBIDDEN,
"Connect to remote machine blocked");
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r,
"connecting to remote proxy %s on port %d",
connectname, connectport);
/* Check if it is an allowed port */
if(!allowed_port(c_conf, uri.port)) {
return ap_proxyerror(r, HTTP_FORBIDDEN,
"Connect to remote machine blocked");
}
/*
* Step Two: Make the Connection
*
* We have determined who to connect to. Now make the connection.
*/
/*
* At this point we have a list of one or more IP addresses of
* the machine to connect to. If configured, reorder this
* list so that the "best candidate" is first try. "best
* candidate" could mean the least loaded server, the fastest
* responding server, whatever.
*
* For now we do nothing, ie we get DNS round robin.
* XXX FIXME
*/
failed = ap_proxy_connect_to_backend(&sock, "CONNECT", nexthop,
connectname, conf, r);
/* handle a permanent error from the above loop */
if (failed) {
if (proxyname) {
return DECLINED;
}
else {
return HTTP_SERVICE_UNAVAILABLE;
}
}
/* setup polling for connection */
ap_log_rerror(APLOG_MARK, APLOG_TRACE2, 0, r, "setting up poll()");
if ((rv = apr_pollset_create(&pollset, 2, r->pool, 0)) != APR_SUCCESS) {
apr_socket_close(sock);
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(01020)
"error apr_pollset_create()");
return HTTP_INTERNAL_SERVER_ERROR;
}
/* Add client side to the poll */
pollfd.p = r->pool;
pollfd.desc_type = APR_POLL_SOCKET;
pollfd.reqevents = APR_POLLIN;
pollfd.desc.s = client_socket;
pollfd.client_data = NULL;
apr_pollset_add(pollset, &pollfd);
/* Add the server side to the poll */
pollfd.desc.s = sock;
apr_pollset_add(pollset, &pollfd);
/*
* Step Three: Send the Request
*
* Send the HTTP/1.1 CONNECT request to the remote server
*/
backconn = ap_run_create_connection(c->pool, r->server, sock,
c->id, c->sbh, c->bucket_alloc);
if (!backconn) {
/* peer reset */
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(01021)
"an error occurred creating a new connection "
"to %pI (%s)", nexthop, connectname);
apr_socket_close(sock);
return HTTP_INTERNAL_SERVER_ERROR;
}
ap_proxy_ssl_disable(backconn);
rc = ap_run_pre_connection(backconn, sock);
if (rc != OK && rc != DONE) {
backconn->aborted = 1;
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01022)
"pre_connection setup failed (%d)", rc);
return HTTP_INTERNAL_SERVER_ERROR;
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE3, 0, r,
"connection complete to %pI (%s)",
nexthop, connectname);
apr_table_setn(r->notes, "proxy-source-port", apr_psprintf(r->pool, "%hu",
backconn->local_addr->port));
/* If we are connecting through a remote proxy, we need to pass
* the CONNECT request on to it.
*/
if (proxyport) {
/* FIXME: Error checking ignored.
*/
ap_log_rerror(APLOG_MARK, APLOG_TRACE2, 0, r,
"sending the CONNECT request to the remote proxy");
ap_fprintf(backconn->output_filters, bb,
"CONNECT %s HTTP/1.0" CRLF, r->uri);
ap_fprintf(backconn->output_filters, bb,
"Proxy-agent: %s" CRLF CRLF, ap_get_server_banner());
ap_fflush(backconn->output_filters, bb);
}
else {
ap_log_rerror(APLOG_MARK, APLOG_TRACE1, 0, r, "Returning 200 OK");
nbytes = apr_snprintf(buffer, sizeof(buffer),
"HTTP/1.0 200 Connection Established" CRLF);
ap_xlate_proto_to_ascii(buffer, nbytes);
ap_fwrite(c->output_filters, bb, buffer, nbytes);
nbytes = apr_snprintf(buffer, sizeof(buffer),
"Proxy-agent: %s" CRLF CRLF,
ap_get_server_banner());
ap_xlate_proto_to_ascii(buffer, nbytes);
ap_fwrite(c->output_filters, bb, buffer, nbytes);
ap_fflush(c->output_filters, bb);
#if 0
/* This is safer code, but it doesn't work yet. I'm leaving it
* here so that I can fix it later.
*/
r->status = HTTP_OK;
r->header_only = 1;
apr_table_set(r->headers_out, "Proxy-agent: %s", ap_get_server_banner());
ap_rflush(r);
#endif
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE2, 0, r, "setting up poll()");
/*
* Step Four: Handle Data Transfer
*
* Handle two way transfer of data over the socket (this is a tunnel).
*/
/* we are now acting as a tunnel - the input/output filter stacks should
* not contain any non-connection filters.
*/
r->output_filters = c->output_filters;
r->proto_output_filters = c->output_filters;
r->input_filters = c->input_filters;
r->proto_input_filters = c->input_filters;
/* r->sent_bodyct = 1;*/
while (1) { /* Infinite loop until error (one side closes the connection) */
if ((rv = apr_pollset_poll(pollset, -1, &pollcnt, &signalled))
!= APR_SUCCESS) {
if (APR_STATUS_IS_EINTR(rv)) {
continue;
}
apr_socket_close(sock);
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r, APLOGNO(01023) "error apr_poll()");
return HTTP_INTERNAL_SERVER_ERROR;
}
#ifdef DEBUGGING
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01024)
"woke from poll(), i=%d", pollcnt);
#endif
for (pi = 0; pi < pollcnt; pi++) {
const apr_pollfd_t *cur = &signalled[pi];
if (cur->desc.s == sock) {
pollevent = cur->rtnevents;
if (pollevent & APR_POLLIN) {
#ifdef DEBUGGING
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01025)
"sock was readable");
#endif
rv = proxy_connect_transfer(r, backconn, c, bb, "sock");
}
else if ((pollevent & APR_POLLERR)
|| (pollevent & APR_POLLHUP)) {
rv = APR_EPIPE;
ap_log_rerror(APLOG_MARK, APLOG_NOTICE, 0, r, APLOGNO(01026)
"err/hup on backconn");
}
if (rv != APR_SUCCESS)
client_error = 1;
}
else if (cur->desc.s == client_socket) {
pollevent = cur->rtnevents;
if (pollevent & APR_POLLIN) {
#ifdef DEBUGGING
ap_log_rerror(APLOG_MARK, APLOG_DEBUG, 0, r, APLOGNO(01027)
"client was readable");
#endif
rv = proxy_connect_transfer(r, c, backconn, bb, "client");
}
}
else {
rv = APR_EBADF;
ap_log_rerror(APLOG_MARK, APLOG_INFO, 0, r, APLOGNO(01028)
"unknown socket in pollset");
}
}
if (rv != APR_SUCCESS) {
break;
}
}
ap_log_rerror(APLOG_MARK, APLOG_TRACE2, 0, r,
"finished with poll() - cleaning up");
/*
* Step Five: Clean Up
*
* Close the socket and clean up
*/
if (client_error)
apr_socket_close(sock);
else
ap_lingering_close(backconn);
c->aborted = 1;
c->keepalive = AP_CONN_CLOSE;
return OK;
}
/**
* Copy data from the JVM to the browser.
*/
static int
send_data(stream_t *s, request_rec *r, int ack, int *keepalive)
{
int code = HMUX_QUIT;
char buf[8193];
char key[8193];
char value[8193];
int channel;
int i;
/* ap_reset_timeout(r); */
if (cse_fill_buffer(s) < 0)
return -1;
/*
code = cse_read_byte(s);
if (code != HMUX_CHANNEL) {
r->status = 500;
r->status_line = "Protocol error";
cse_close(s, "bad protocol");
return -1;
}
channel = hmux_read_len(s);
*/
do {
int len;
/* ap_reset_timeout(r); */
code = cse_read_byte(s);
if (s->socket < 0)
return -1;
switch (code) {
case HMUX_CHANNEL:
channel = hmux_read_len(s);
LOG(("channel %d\n", channel));
break;
case HMUX_ACK:
channel = hmux_read_len(s);
LOG(("ack %d\n", channel));
break;
case HMUX_STATUS:
len = hmux_read_len(s);
cse_read_limit(s, buf, sizeof(buf), len);
for (i = 0; buf[i] && buf[i] != ' '; i++) {
}
buf[i] = 0;
r->status = atoi(buf);
buf[i] = ' ';
i++;
r->status_line = ap_pstrdup(r->pool, buf);
break;
case HMUX_HEADER:
len = hmux_read_len(s);
cse_read_limit(s, key, sizeof(key), len);
cse_read_string(s, value, sizeof(value));
if (! strcasecmp(key, "content-type"))
r->content_type = ap_pstrdup(r->pool, value);
else
ap_table_add(r->headers_out, key, value);
break;
case HMUX_META_HEADER:
len = hmux_read_len(s);
cse_read_limit(s, key, sizeof(key), len);
cse_read_string(s, value, sizeof(value));
break;
case HMUX_DATA:
len = hmux_read_len(s);
if (cse_write_response(s, len, r) < 0)
return -1;
break;
case HMUX_FLUSH:
len = hmux_read_len(s);
ap_rflush(r);
break;
case CSE_KEEPALIVE:
len = hmux_read_len(s);
*keepalive = 1;
break;
case CSE_SEND_HEADER:
len = hmux_read_len(s);
ap_send_http_header(r);
break;
case -1:
break;
case HMUX_QUIT:
case HMUX_EXIT:
break;
default:
len = hmux_read_len(s);
cse_skip(s, len);
break;
}
} while (code > 0 && code != HMUX_QUIT && code != HMUX_EXIT && code != ack);
return code;
}
// dbuf is the request text
static int femto_do_request(request_rec* r, char* dbuf)
{
int i;
int rc;
femto_request_t *femto_request = NULL;
int zero;
struct timespec start;
struct timespec now;
r->content_type = "text/plain";
if (!r->header_only) {
char* index_path = NULL;
int index_path_len = 0;
index_path = apr_pstrdup(r->pool, r->filename);
index_path_len = strlen(index_path);
// Make a new version of the filename without the /r.
while( index_path_len >= 0 &&
index_path[index_path_len-1] != '/' &&
index_path[index_path_len-1] == 'r' ) {
index_path[index_path_len-1] = '\0';
index_path_len--;
}
//printf("FEMTO got request for %s: %s\n", index_path, dbuf);
// Look to break out of.
for( zero = 0; zero < 1; zero++ ) {
// Start going!
rc = femto_create_generic_request(&femto_request,
&femto_server,
index_path,
dbuf);
if( rc ) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
"FEMTO could not create request");
return HTTP_INTERNAL_SERVER_ERROR;
}
rc = femto_begin_request(&femto_server, femto_request);
if( rc ) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
"FEMTO could not begin request");
return HTTP_INTERNAL_SERVER_ERROR;
}
start.tv_sec = 0;
start.tv_nsec = 0;
now.tv_sec = 0;
now.tv_nsec = 0;
for( i = 0; ! r->connection->aborted; i++ ) {
int completed = 0;
struct timeval tv;
struct timespec ts;
rc = gettimeofday(&tv, NULL);
ts.tv_sec = tv.tv_sec;
ts.tv_nsec = 1000 * tv.tv_usec;
//rc = clock_gettime(CLOCK_REALTIME, &ts);
if( rc ) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
"FEMTO could not gettime");
return HTTP_INTERNAL_SERVER_ERROR;
}
ts.tv_sec += 2;
rc = femto_timedwait_request(&femto_server, femto_request, &ts, &completed);
if( rc ) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
"FEMTO could not wait for request");
return HTTP_INTERNAL_SERVER_ERROR;
}
if( completed ) break;
rc = gettimeofday(&tv, NULL);
now.tv_sec = tv.tv_sec;
now.tv_nsec = 1000 * tv.tv_usec;
//rc = clock_gettime(CLOCK_REALTIME, &now);
if( rc ) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
"FEMTO clock_gettime failed");
return HTTP_INTERNAL_SERVER_ERROR;
}
if( now.tv_sec > start.tv_sec ) {
// This is dopey.. but also the best way to check for
// an aborted connection... just send a byte every second.
ap_rputc(' ', r);
ap_rflush(r);
start = now;
}
}
}
if( ! r->connection->aborted ) {
char* response;
rc = femto_response_for_generic_request(femto_request, &femto_server, &response);
if( rc ) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
"FEMTO response_for_generic_request failed");
return HTTP_INTERNAL_SERVER_ERROR;
}
//printf("FEMTO sending response %s\n", response);
ap_rputc('\n', r);
ap_rputs(response, r);
free(response);
} else {
rc = femto_cancel_request(&femto_server, femto_request);
if( rc ) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rc, r,
"FEMTO could not cancel request");
return HTTP_INTERNAL_SERVER_ERROR;
}
}
femto_destroy_request(femto_request);
}
return OK;
}
static int
ipp_handler(request_rec *r)
{
papi_attribute_t **request = NULL, **response = NULL;
IPPListenerConfig *config;
papi_status_t status;
int ret;
/* Really, IPP is all POST requests */
if (r->method_number != M_POST)
return (DECLINED);
#ifndef APACHE2
/*
* An IPP request must have a MIME type of "application/ipp"
* (RFC-2910, Section 4, page 19). If it doesn't match this
* MIME type, we should decline the request and let someone else
* try and handle it.
*/
if (r->headers_in != NULL) {
char *mime_type = (char *)ap_table_get(r->headers_in,
"Content-Type");
if ((mime_type == NULL) ||
(strcasecmp(mime_type, "application/ipp") != 0))
return (DECLINED);
}
#endif
/* CHUNKED_DECHUNK might not work right for IPP? */
if ((ret = ap_setup_client_block(r, REQUEST_CHUNKED_DECHUNK)) != OK)
return (ret);
if (!ap_should_client_block(r))
return (HTTP_INTERNAL_SERVER_ERROR);
#ifndef APACHE2
ap_soft_timeout("ipp_module: read/reply request ", r);
#endif
/* read the IPP request off the network */
status = ipp_read_message(read_data, r, &request, IPP_TYPE_REQUEST);
if (status != PAPI_OK)
_log_rerror(APLOG_MARK, APLOG_ERR, r,
"read failed: %s\n", papiStatusString(status));
#ifdef DEBUG
papiAttributeListPrint(stderr, request, "request (%d) ", getpid());
#endif
(void) papiAttributeListAddString(&request, PAPI_ATTR_EXCL,
"originating-host", (char *)
#ifdef APACHE2
ap_get_remote_host
(r->connection, r->per_dir_config, REMOTE_NAME, NULL));
#else
ap_get_remote_host
(r->connection, r->per_dir_config, REMOTE_NAME));
#endif
(void) papiAttributeListAddInteger(&request, PAPI_ATTR_EXCL,
"uri-port", ap_get_server_port(r));
if (r->headers_in != NULL) {
char *host = (char *)ap_table_get(r->headers_in, "Host");
if ((host == NULL) || (host[0] == '\0'))
host = (char *)ap_get_server_name(r);
(void) papiAttributeListAddString(&request, PAPI_ATTR_EXCL,
"uri-host", host);
}
(void) papiAttributeListAddString(&request, PAPI_ATTR_EXCL,
"uri-path", r->uri);
config = ap_get_module_config(r->per_dir_config, &ipp_module);
if (config != NULL) {
(void) papiAttributeListAddInteger(&request, PAPI_ATTR_EXCL,
"conformance", config->conformance);
(void) papiAttributeListAddCollection(&request, PAPI_ATTR_EXCL,
"operations", config->operations);
if (config->default_user != NULL)
(void) papiAttributeListAddString(&request,
PAPI_ATTR_EXCL, "default-user",
config->default_user);
if (config->default_svc != NULL)
(void) papiAttributeListAddString(&request,
PAPI_ATTR_EXCL, "default-service",
config->default_svc);
}
/*
* For Trusted Solaris, pass the fd number of the socket connection
* to the backend so the it can be forwarded to the backend print
* service to retrieve the sensativity label off of a multi-level
* port.
*/
(void) papiAttributeListAddInteger(&request, PAPI_ATTR_EXCL,
"peer-socket", ap_bfileno(r->connection->client, B_RD));
/* process the request */
status = ipp_process_request(request, &response, read_data, r);
if (status != PAPI_OK) {
errno = 0;
_log_rerror(APLOG_MARK, APLOG_ERR, r,
"request failed: %s\n", papiStatusString(status));
discard_data(r);
}
#ifdef DEBUG
fprintf(stderr, "processing result: %s\n", papiStatusString(status));
papiAttributeListPrint(stderr, response, "response (%d) ", getpid());
#endif
/*
* If the client is using chunking and we have not yet received the
* final "0" sized chunk, we need to discard any data that may
* remain in the post request.
*/
if ((r->read_chunked != 0) &&
(ap_table_get(r->headers_in, "Content-Length") == NULL))
discard_data(r);
/* write an IPP response back to the network */
r->content_type = "application/ipp";
#ifndef APACHE2
ap_send_http_header(r);
#endif
status = ipp_write_message(write_data, r, response);
if (status != PAPI_OK)
_log_rerror(APLOG_MARK, APLOG_ERR, r,
"write failed: %s\n", papiStatusString(status));
#ifdef DEBUG
fprintf(stderr, "write result: %s\n", papiStatusString(status));
fflush(stderr);
#endif
papiAttributeListFree(request);
papiAttributeListFree(response);
#ifndef APACHE2
ap_kill_timeout(r);
if (ap_rflush(r) < 0)
_log_rerror(APLOG_MARK, APLOG_ERR, r,
"flush failed, response may not have been sent");
#endif
return (OK);
}
/**
* Copy data from the JVM to the browser.
*/
static int
send_data(stream_t *s, request_rec *r)
{
int code = -1;
char buf[8193];
char key[8193];
char value[8193];
int i;
int channel;
if (cse_fill_buffer(s) < 0) {
return -1;
}
while (1) {
int len;
code = cse_read_byte(s);
LOG(("%s:%d:send_data(): r-code %c\n", __FILE__, __LINE__, code));
switch (code) {
case HMUX_CHANNEL:
channel = hmux_read_len(s);
LOG(("%s:%d:send_data(): r-channel %d\n", __FILE__, __LINE__, channel));
break;
case HMUX_ACK:
channel = hmux_read_len(s);
LOG(("%s:%d:send_data(): r-ack %d\n", __FILE__, __LINE__, channel));
return code;
case HMUX_STATUS:
len = hmux_read_len(s);
cse_read_limit(s, buf, sizeof(buf), len);
for (i = 0; buf[i] && buf[i] != ' '; i++) {
}
i++;
r->status = atoi(buf);
r->status_line = apr_pstrdup(r->pool, buf);
break;
case HMUX_HEADER:
len = hmux_read_len(s);
cse_read_limit(s, key, sizeof(key), len);
cse_read_string(s, value, sizeof(value));
if (! strcasecmp(key, "content-type")) {
r->content_type = apr_pstrdup(r->pool, value);
apr_table_set(r->headers_out, key, value);
}
else
apr_table_add(r->headers_out, key, value);
break;
case HMUX_META_HEADER:
len = hmux_read_len(s);
cse_read_limit(s, key, sizeof(key), len);
cse_read_string(s, value, sizeof(value));
break;
case HMUX_DATA:
len = hmux_read_len(s);
if (cse_write_response(s, len, r) < 0)
return HMUX_EXIT;
break;
case HMUX_FLUSH:
len = hmux_read_len(s);
ap_rflush(r);
break;
case CSE_SEND_HEADER:
len = hmux_read_len(s);
break;
case HMUX_QUIT:
case HMUX_EXIT:
return code;
default:
if (code < 0) {
return code;
}
len = hmux_read_len(s);
cse_skip(s, len);
break;
}
}
}
