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-rw-r--r--lib/http.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/http.c b/lib/http.c
index c500ae0d7..39e4d3447 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -1689,7 +1689,7 @@ static CURLcode expect100(struct Curl_easy *data,
CURLcode result = CURLE_OK;
data->state.expect100header = FALSE; /* default to false unless it is set
to TRUE below */
- if(use_http_1_1plus(data, conn) &&
+ if(!data->state.disableexpect && use_http_1_1plus(data, conn) &&
(conn->httpversion < 20)) {
/* if not doing HTTP 1.0 or version 2, or disabled explicitly, we add an
Expect: 100-continue to the headers which actually speeds up post
@@ -3543,7 +3543,16 @@ CURLcode Curl_http_readwrite_headers(struct Curl_easy *data,
*/
Curl_expire_done(data, EXPIRE_100_TIMEOUT);
if(!k->upload_done) {
- if(data->set.http_keep_sending_on_error) {
+ if((k->httpcode == 417) && data->state.expect100header) {
+ /* 417 Expectation Failed - try again without the Expect
+ header */
+ infof(data, "Got 417 while waiting for a 100\n");
+ data->state.disableexpect = TRUE;
+ DEBUGASSERT(!data->req.newurl);
+ data->req.newurl = strdup(conn->data->change.url);
+ Curl_done_sending(conn, k);
+ }
+ else if(data->set.http_keep_sending_on_error) {
infof(data, "HTTP error before end of send, keep sending\n");
if(k->exp100 > EXP100_SEND_DATA) {
k->exp100 = EXP100_SEND_DATA;