static void uh_cgi_shutdown(struct uh_cgi_state *state)
{
- close(state->rfd);
- close(state->wfd);
free(state);
}
static bool uh_cgi_socket_cb(struct client *cl)
{
- int i, len, hdroff;
+ int i, len, blen, hdroff;
char buf[UH_LIMIT_MSGHEAD];
struct uh_cgi_state *state = (struct uh_cgi_state *)cl->priv;
- struct http_response *res = &state->cl->response;
- struct http_request *req = &state->cl->request;
+ struct http_response *res = &cl->response;
+ struct http_request *req = &cl->request;
/* there is unread post data waiting */
while (state->content_length > 0)
{
/* remaining data in http head buffer ... */
- if (state->cl->httpbuf.len > 0)
+ if (cl->httpbuf.len > 0)
{
- len = min(state->content_length, state->cl->httpbuf.len);
+ len = min(state->content_length, cl->httpbuf.len);
- D("CGI: Child(%d) feed %d HTTP buffer bytes\n",
- state->cl->proc.pid, len);
+ D("CGI: Child(%d) feed %d HTTP buffer bytes\n", cl->proc.pid, len);
- memcpy(buf, state->cl->httpbuf.ptr, len);
+ memcpy(buf, cl->httpbuf.ptr, len);
- state->cl->httpbuf.len -= len;
- state->cl->httpbuf.ptr +=len;
+ cl->httpbuf.len -= len;
+ cl->httpbuf.ptr +=len;
}
/* read it from socket ... */
else
{
- len = uh_tcp_recv(state->cl, buf,
+ len = uh_tcp_recv(cl, buf,
min(state->content_length, sizeof(buf)));
if ((len < 0) && ((errno == EAGAIN) || (errno == EWOULDBLOCK)))
break;
D("CGI: Child(%d) feed %d/%d TCP socket bytes\n",
- state->cl->proc.pid, len,
- min(state->content_length, sizeof(buf)));
+ cl->proc.pid, len, min(state->content_length, sizeof(buf)));
}
if (len)
state->content_length = 0;
/* ... write to CGI process */
- len = uh_raw_send(state->wfd, buf, len,
+ len = uh_raw_send(cl->wpipe.fd, buf, len,
cl->server->conf->script_timeout);
/* explicit EOF notification for the child */
if (state->content_length <= 0)
- close(state->wfd);
+ uh_ufd_remove(&cl->wpipe);
}
/* try to read data from child */
- while ((len = uh_raw_recv(state->rfd, buf, sizeof(buf), -1)) > 0)
+ while ((len = uh_raw_recv(cl->rpipe.fd, buf, state->header_sent
+ ? sizeof(buf) : state->httpbuf.len, -1)) > 0)
{
/* we have not pushed out headers yet, parse input */
if (!state->header_sent)
{
/* try to parse header ... */
- memcpy(state->httpbuf, buf, len);
+ memcpy(state->httpbuf.ptr, buf, len);
+ state->httpbuf.len -= len;
+ state->httpbuf.ptr += len;
+
+ blen = state->httpbuf.ptr - state->httpbuf.buf;
- if (uh_cgi_header_parse(res, state->httpbuf, len, &hdroff))
+ if (uh_cgi_header_parse(res, state->httpbuf.buf, blen, &hdroff))
{
/* write status */
- ensure_out(uh_http_sendf(state->cl, NULL,
- "HTTP/%.1f %03d %s\r\n"
+ ensure_out(uh_http_sendf(cl, NULL,
+ "%s %03d %s\r\n"
"Connection: close\r\n",
- req->version, res->statuscode, res->statusmsg));
+ http_versions[req->version],
+ res->statuscode, res->statusmsg));
/* add Content-Type if no Location or Content-Type */
if (!uh_cgi_header_lookup(res, "Location") &&
!uh_cgi_header_lookup(res, "Content-Type"))
{
- ensure_out(uh_http_send(state->cl, NULL,
+ ensure_out(uh_http_send(cl, NULL,
"Content-Type: text/plain\r\n", -1));
}
/* if request was HTTP 1.1 we'll respond chunked */
- if ((req->version > 1.0) &&
+ if ((req->version > UH_HTTP_VER_1_0) &&
!uh_cgi_header_lookup(res, "Transfer-Encoding"))
{
- ensure_out(uh_http_send(state->cl, NULL,
+ ensure_out(uh_http_send(cl, NULL,
"Transfer-Encoding: chunked\r\n", -1));
}
/* write headers from CGI program */
foreach_header(i, res->headers)
{
- ensure_out(uh_http_sendf(state->cl, NULL, "%s: %s\r\n",
+ ensure_out(uh_http_sendf(cl, NULL, "%s: %s\r\n",
res->headers[i], res->headers[i+1]));
}
/* terminate header */
- ensure_out(uh_http_send(state->cl, NULL, "\r\n", -1));
+ ensure_out(uh_http_send(cl, NULL, "\r\n", -1));
state->header_sent = true;
/* push out remaining head buffer */
- if (hdroff < len)
+ if (hdroff < blen)
{
D("CGI: Child(%d) relaying %d rest bytes\n",
- state->cl->proc.pid, len - hdroff);
+ cl->proc.pid, blen - hdroff);
- ensure_out(uh_http_send(state->cl, req,
- &buf[hdroff], len - hdroff));
+ ensure_out(uh_http_send(cl, req,
+ state->httpbuf.buf + hdroff,
+ blen - hdroff));
}
}
/* ... failed and head buffer exceeded */
- else
+ else if (!state->httpbuf.len)
{
/* I would do this ...
*
* build the required headers here.
*/
- ensure_out(uh_http_sendf(state->cl, NULL,
- "HTTP/%.1f 200 OK\r\n"
+ ensure_out(uh_http_sendf(cl, NULL,
+ "%s 200 OK\r\n"
"Content-Type: text/plain\r\n"
"%s\r\n",
- req->version, (req->version > 1.0)
+ http_versions[req->version],
+ (req->version > UH_HTTP_VER_1_0)
? "Transfer-Encoding: chunked\r\n" : ""
));
state->header_sent = true;
D("CGI: Child(%d) relaying %d invalid bytes\n",
- state->cl->proc.pid, len);
+ cl->proc.pid, len);
- ensure_out(uh_http_send(state->cl, req, buf, len));
+ ensure_out(uh_http_send(cl, req, buf, len));
}
}
else
{
/* headers complete, pass through buffer to socket */
- D("CGI: Child(%d) relaying %d normal bytes\n",
- state->cl->proc.pid, len);
-
- ensure_out(uh_http_send(state->cl, req, buf, len));
+ D("CGI: Child(%d) relaying %d normal bytes\n", cl->proc.pid, len);
+ ensure_out(uh_http_send(cl, req, buf, len));
}
}
if ((len == 0) ||
((errno != EAGAIN) && (errno != EWOULDBLOCK) && (len == -1)))
{
- D("CGI: Child(%d) presumed dead [%s]\n",
- state->cl->proc.pid, strerror(errno));
+ D("CGI: Child(%d) presumed dead [%s]\n", cl->proc.pid, strerror(errno));
goto out;
}
out:
if (!state->header_sent)
{
- if (state->cl->timeout.pending)
- uh_http_sendhf(state->cl, 502, "Bad Gateway",
+ if (cl->timeout.pending)
+ uh_http_sendhf(cl, 502, "Bad Gateway",
"The CGI process did not produce any response\n");
else
- uh_http_sendhf(state->cl, 504, "Gateway Timeout",
+ uh_http_sendhf(cl, 504, "Gateway Timeout",
"The CGI process took too long to produce a "
"response\n");
}
else
{
- uh_http_send(state->cl, req, "", 0);
+ uh_http_send(cl, req, "", 0);
}
uh_cgi_shutdown(state);
sleep(atoi(getenv("UHTTPD_SLEEP_ON_FORK") ?: "0"));
#endif
+ /* do not leak parent epoll descriptor */
+ uloop_done();
+
/* close loose pipe ends */
close(rfd[0]);
close(wfd[1]);
}
/* http version */
- if (req->version > 1.0)
- setenv("SERVER_PROTOCOL", "HTTP/1.1", 1);
- else
- setenv("SERVER_PROTOCOL", "HTTP/1.0", 1);
+ setenv("SERVER_PROTOCOL", http_versions[req->version], 1);
/* request method */
- switch (req->method)
- {
- case UH_HTTP_MSG_GET:
- setenv("REQUEST_METHOD", "GET", 1);
- break;
-
- case UH_HTTP_MSG_HEAD:
- setenv("REQUEST_METHOD", "HEAD", 1);
- break;
-
- case UH_HTTP_MSG_POST:
- setenv("REQUEST_METHOD", "POST", 1);
- break;
- }
+ setenv("REQUEST_METHOD", http_methods[req->method], 1);
/* request url */
setenv("REQUEST_URI", req->url, 1);
default:
memset(state, 0, sizeof(*state));
- state->cl = cl;
- state->cl->proc.pid = child;
+ cl->rpipe.fd = rfd[0];
+ cl->wpipe.fd = wfd[1];
+ cl->proc.pid = child;
+
+ /* make pipe non-blocking */
+ fd_nonblock(cl->rpipe.fd);
+ fd_nonblock(cl->wpipe.fd);
/* close unneeded pipe ends */
close(rfd[1]);
D("CGI: Child(%d) created: rfd(%d) wfd(%d)\n", child, rfd[0], wfd[1]);
+ state->httpbuf.ptr = state->httpbuf.buf;
+ state->httpbuf.len = sizeof(state->httpbuf.buf);
+
state->content_length = cl->httpbuf.len;
/* find content length */
}
}
- state->rfd = rfd[0];
- fd_nonblock(state->rfd);
-
- state->wfd = wfd[1];
- fd_nonblock(state->wfd);
-
cl->cb = uh_cgi_socket_cb;
cl->priv = state;
projects / openwrt / staging / stintel.git / blobdiff