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Diffstat (limited to 'libs/libcurl/src/http_proxy.c')
-rw-r--r--libs/libcurl/src/http_proxy.c109
1 files changed, 81 insertions, 28 deletions
diff --git a/libs/libcurl/src/http_proxy.c b/libs/libcurl/src/http_proxy.c
index f403ffc0e0..a3a62c1cad 100644
--- a/libs/libcurl/src/http_proxy.c
+++ b/libs/libcurl/src/http_proxy.c
@@ -39,6 +39,8 @@
#include "connect.h"
#include "curlx.h"
#include "vtls/vtls.h"
+#include "transfer.h"
+#include "multiif.h"
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
@@ -88,29 +90,12 @@ CURLcode Curl_proxy_connect(struct Curl_easy *data, int sockindex)
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
#ifndef CURL_DISABLE_PROXY
/* for [protocol] tunneled through HTTP proxy */
- struct HTTP http_proxy;
- void *prot_save;
const char *hostname;
int remote_port;
CURLcode result;
- /* BLOCKING */
/* We want "seamless" operations through HTTP proxy tunnel */
- /* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the
- * member conn->proto.http; we want [protocol] through HTTP and we have
- * to change the member temporarily for connecting to the HTTP
- * proxy. After Curl_proxyCONNECT we have to set back the member to the
- * original pointer
- *
- * This function might be called several times in the multi interface case
- * if the proxy's CONNECT response is not instant.
- */
- prot_save = data->req.p.http;
- memset(&http_proxy, 0, sizeof(http_proxy));
- data->req.p.http = &http_proxy;
- connkeep(conn, "HTTP proxy CONNECT");
-
/* for the secondary socket (FTP), use the "connect to host"
* but ignore the "connect to port" (use the secondary port)
*/
@@ -128,8 +113,8 @@ CURLcode Curl_proxy_connect(struct Curl_easy *data, int sockindex)
remote_port = conn->conn_to_port;
else
remote_port = conn->remote_port;
+
result = Curl_proxyCONNECT(data, sockindex, hostname, remote_port);
- data->req.p.http = prot_save;
if(CURLE_OK != result)
return result;
Curl_safefree(data->state.aptr.proxyuserpwd);
@@ -153,18 +138,53 @@ bool Curl_connect_ongoing(struct connectdata *conn)
(conn->connect_state->tunnel_state != TUNNEL_COMPLETE);
}
+/* when we've sent a CONNECT to a proxy, we should rather either wait for the
+ socket to become readable to be able to get the response headers or if
+ we're still sending the request, wait for write. */
+int Curl_connect_getsock(struct connectdata *conn)
+{
+ struct HTTP *http;
+ DEBUGASSERT(conn);
+ DEBUGASSERT(conn->connect_state);
+ http = &conn->connect_state->http_proxy;
+
+ if(http->sending)
+ return GETSOCK_WRITESOCK(0);
+
+ return GETSOCK_READSOCK(0);
+}
+
static CURLcode connect_init(struct Curl_easy *data, bool reinit)
{
struct http_connect_state *s;
struct connectdata *conn = data->conn;
if(!reinit) {
+ CURLcode result;
DEBUGASSERT(!conn->connect_state);
+ /* we might need the upload buffer for streaming a partial request */
+ result = Curl_get_upload_buffer(data);
+ if(result)
+ return result;
+
s = calloc(1, sizeof(struct http_connect_state));
if(!s)
return CURLE_OUT_OF_MEMORY;
infof(data, "allocate connect buffer!\n");
conn->connect_state = s;
Curl_dyn_init(&s->rcvbuf, DYN_PROXY_CONNECT_HEADERS);
+
+ /* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the
+ * member conn->proto.http; we want [protocol] through HTTP and we have
+ * to change the member temporarily for connecting to the HTTP
+ * proxy. After Curl_proxyCONNECT we have to set back the member to the
+ * original pointer
+ *
+ * This function might be called several times in the multi interface case
+ * if the proxy's CONNECT response is not instant.
+ */
+ s->prot_save = data->req.p.http;
+ data->req.p.http = &s->http_proxy;
+ connkeep(conn, "HTTP proxy CONNECT");
}
else {
DEBUGASSERT(conn->connect_state);
@@ -184,6 +204,10 @@ static void connect_done(struct Curl_easy *data)
struct http_connect_state *s = conn->connect_state;
s->tunnel_state = TUNNEL_COMPLETE;
Curl_dyn_free(&s->rcvbuf);
+ Curl_dyn_free(&s->req);
+
+ /* retore the protocol pointer */
+ data->req.p.http = s->prot_save;
infof(data, "CONNECT phase completed!\n");
}
@@ -231,6 +255,7 @@ static CURLcode CONNECT(struct Curl_easy *data,
struct connectdata *conn = data->conn;
curl_socket_t tunnelsocket = conn->sock[sockindex];
struct http_connect_state *s = conn->connect_state;
+ struct HTTP *http = data->req.p.http;
char *linep;
size_t perline;
@@ -246,7 +271,7 @@ static CURLcode CONNECT(struct Curl_easy *data,
timediff_t check;
if(TUNNEL_INIT == s->tunnel_state) {
/* BEGIN CONNECT PHASE */
- struct dynbuf req;
+ struct dynbuf *req = &s->req;
char *hostheader = NULL;
char *host = NULL;
@@ -259,8 +284,8 @@ static CURLcode CONNECT(struct Curl_easy *data,
free(data->req.newurl);
data->req.newurl = NULL;
- /* initialize a dynamic send-buffer */
- Curl_dyn_init(&req, DYN_HTTP_REQUEST);
+ /* initialize send-buffer */
+ Curl_dyn_init(req, DYN_HTTP_REQUEST);
result = CONNECT_host(data, conn,
hostname, remote_port, &hostheader, &host);
@@ -285,7 +310,7 @@ static CURLcode CONNECT(struct Curl_easy *data,
useragent = data->state.aptr.uagent;
result =
- Curl_dyn_addf(&req,
+ Curl_dyn_addf(req,
"CONNECT %s HTTP/%s\r\n"
"%s" /* Host: */
"%s" /* Proxy-Authorization */
@@ -300,16 +325,15 @@ static CURLcode CONNECT(struct Curl_easy *data,
proxyconn);
if(!result)
- result = Curl_add_custom_headers(data, TRUE, &req);
+ result = Curl_add_custom_headers(data, TRUE, req);
if(!result)
/* CRLF terminate the request */
- result = Curl_dyn_add(&req, "\r\n");
+ result = Curl_dyn_add(req, "\r\n");
if(!result) {
/* Send the connect request to the proxy */
- /* BLOCKING */
- result = Curl_buffer_send(&req, data, &data->info.request_size, 0,
+ result = Curl_buffer_send(req, data, &data->info.request_size, 0,
sockindex);
}
if(result)
@@ -317,7 +341,6 @@ static CURLcode CONNECT(struct Curl_easy *data,
}
free(host);
free(hostheader);
- Curl_dyn_free(&req);
if(result)
return result;
@@ -330,12 +353,42 @@ static CURLcode CONNECT(struct Curl_easy *data,
return CURLE_OPERATION_TIMEDOUT;
}
- if(!Curl_conn_data_pending(conn, sockindex))
+ if(!Curl_conn_data_pending(conn, sockindex) && !http->sending)
/* return so we'll be called again polling-style */
return CURLE_OK;
/* at this point, the tunnel_connecting phase is over. */
+ if(http->sending == HTTPSEND_REQUEST) {
+ if(!s->nsend) {
+ size_t fillcount;
+ k->upload_fromhere = data->state.ulbuf;
+ result = Curl_fillreadbuffer(data, data->set.upload_buffer_size,
+ &fillcount);
+ if(result)
+ return result;
+ s->nsend = fillcount;
+ }
+ if(s->nsend) {
+ ssize_t bytes_written;
+ /* write to socket (send away data) */
+ result = Curl_write(data,
+ conn->writesockfd, /* socket to send to */
+ k->upload_fromhere, /* buffer pointer */
+ s->nsend, /* buffer size */
+ &bytes_written); /* actually sent */
+
+ if(!result)
+ /* send to debug callback! */
+ result = Curl_debug(data, CURLINFO_HEADER_OUT,
+ k->upload_fromhere, bytes_written);
+
+ s->nsend -= bytes_written;
+ k->upload_fromhere += bytes_written;
+ return result;
+ }
+ /* if nothing left to send, continue */
+ }
{ /* READING RESPONSE PHASE */
int error = SELECT_OK;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 16:35:11 +0000