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http: add custom empty headers to repeated requests

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Closes #1920
This commit is contained in:
Michael Kaufmann 2017-09-24 19:31:43 +02:00
parent 284d06df9e
commit eac324f284
2 changed files with 15 additions and 3 deletions
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8
lib/http.c
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@ -1626,12 +1626,12 @@ CURLcode Curl_add_custom_headers(struct connectdata *conn,
else if(conn->bits.authneg &&
/* while doing auth neg, don't allow the custom length since
we will force length zero then */
checkprefix("Content-Length", headers->data))
checkprefix("Content-Length:", headers->data))
;
else if(conn->allocptr.te &&
/* when asking for Transfer-Encoding, don't pass on a custom
Connection: */
checkprefix("Connection", headers->data))
checkprefix("Connection:", headers->data))
;
else if((conn->httpversion == 20) &&
checkprefix("Transfer-Encoding:", headers->data))
@ -1664,6 +1664,10 @@ CURLcode Curl_add_custom_headers(struct connectdata *conn,
*ptr = ':';
result = Curl_add_bufferf(req_buffer, "%s\r\n",
headers->data);
/* restore the previous value */
*ptr = ';';
if(result)
return result;
}