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timecond: do not add if-modified-since without timecondition

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The RTSP code path didn't skip adding the if-modified-since for certain
RTSP code paths, even if CURLOPT_TIMECONDITION was set to
CURL_TIMECOND_NONE.

Also, an unknown non-zero CURLOPT_TIMECONDITION value no longer equals
CURL_TIMECOND_IFMODSINCE.

Bug: http://stackoverflow.com/questions/33903982/curl-timecond-none-doesnt-work-how-to-remove-if-modified-since-header
This commit is contained in:
Daniel Stenberg 2015-11-25 11:38:10 +01:00
parent 5b96b5e79e
commit cd2b73b3ed
1 changed files with 12 additions and 7 deletions
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19
lib/http.c
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@ -1701,7 +1701,13 @@ CURLcode Curl_add_timecondition(struct SessionHandle *data,
const struct tm *tm;
char *buf = data->state.buffer;
struct tm keeptime;
CURLcode result = Curl_gmtime(data->set.timevalue, &keeptime);
CURLcode result;
if(data->set.timecondition == CURL_TIMECOND_NONE)
/* no condition was asked for */
return CURLE_OK;
result = Curl_gmtime(data->set.timevalue, &keeptime);
if(result) {
failf(data, "Invalid TIMEVALUE");
return result;
@ -1727,8 +1733,9 @@ CURLcode Curl_add_timecondition(struct SessionHandle *data,
tm->tm_sec);
switch(data->set.timecondition) {
case CURL_TIMECOND_IFMODSINCE:
default:
break;
case CURL_TIMECOND_IFMODSINCE:
result = Curl_add_bufferf(req_buffer,
"If-Modified-Since: %s\r\n", buf);
break;
@ -2394,11 +2401,9 @@ CURLcode Curl_http(struct connectdata *conn, bool *done)
}
#endif
if(data->set.timecondition) {
result = Curl_add_timecondition(data, req_buffer);
if(result)
return result;
}
result = Curl_add_timecondition(data, req_buffer);
if(result)
return result;
result = Curl_add_custom_headers(conn, FALSE, req_buffer);
if(result)