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-rw-r--r--lib/http.c33
1 files changed, 23 insertions, 10 deletions
diff --git a/lib/http.c b/lib/http.c
index 15991336a..087d1af02 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -3054,19 +3054,19 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
#endif /* CURL_DOES_CONVERSIONS */
if(100 <= k->httpcode && 199 >= k->httpcode) {
- /*
- * We have made a HTTP PUT or POST and this is 1.1-lingo
- * that tells us that the server is OK with this and ready
- * to receive the data.
- * However, we'll get more headers now so we must get
- * back into the header-parsing state!
- */
- k->header = TRUE;
- k->headerline = 0; /* restart the header line counter */
-
/* "A user agent MAY ignore unexpected 1xx status responses." */
switch(k->httpcode) {
case 100:
+ /*
+ * We have made a HTTP PUT or POST and this is 1.1-lingo
+ * that tells us that the server is OK with this and ready
+ * to receive the data.
+ * However, we'll get more headers now so we must get
+ * back into the header-parsing state!
+ */
+ k->header = TRUE;
+ k->headerline = 0; /* restart the header line counter */
+
/* if we did wait for this do enable write now! */
if(k->exp100 > EXP100_SEND_DATA) {
k->exp100 = EXP100_SEND_DATA;
@@ -3076,9 +3076,14 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
case 101:
/* Switching Protocols */
if(k->upgr101 == UPGR101_REQUESTED) {
+ /* Switching to HTTP/2 */
infof(data, "Received 101\n");
k->upgr101 = UPGR101_RECEIVED;
+ /* we'll get more headers (HTTP/2 response) */
+ k->header = TRUE;
+ k->headerline = 0; /* restart the header line counter */
+
/* switch to http2 now. The bytes after response headers
are also processed here, otherwise they are lost. */
result = Curl_http2_switched(conn, k->str, *nread);
@@ -3086,8 +3091,16 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
return result;
*nread = 0;
}
+ else {
+ /* Switching to another protocol (e.g. WebSocket) */
+ k->header = FALSE; /* no more header to parse! */
+ }
break;
default:
+ /* the status code 1xx indicates a provisional response, so
+ we'll get another set of headers */
+ k->header = TRUE;
+ k->headerline = 0; /* restart the header line counter */
break;
}
}