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Don't abort Negotiate auth when the server has a response for us

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It's wrong to assume that we can send a single SPNEGO packet which will
complete the authentication. It's a *negotiation* — the clue is in the
name. So make sure we handle responses from the server.

Curl_input_negotiate() will already handle bailing out if it thinks the
state is GSS_S_COMPLETE (or SEC_E_OK on Windows) and the server keeps
talking to us, so we should avoid endless loops that way.
This commit is contained in:
David Woodhouse 2014-07-11 10:59:37 +01:00 committed by Daniel Stenberg
parent f78ae415d2
commit 6bc76194e8
1 changed files with 2 additions and 7 deletions
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9
lib/http.c
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@ -775,13 +775,8 @@ CURLcode Curl_http_input_auth(struct connectdata *conn, bool proxy,
authp->avail |= CURLAUTH_GSSNEGOTIATE; authp->avail |= CURLAUTH_GSSNEGOTIATE;
if(authp->picked == CURLAUTH_GSSNEGOTIATE) { if(authp->picked == CURLAUTH_GSSNEGOTIATE) {
if(data->state.negotiate.state == GSS_AUTHSENT) { if(data->state.negotiate.state == GSS_AUTHSENT ||
/* if we sent GSS authentication in the outgoing request and we get data->state.negotiate.state == GSS_AUTHNONE) {
this back, we're in trouble */
infof(data, "Authentication problem. Ignoring this.\n");
data->state.authproblem = TRUE;
}
else if(data->state.negotiate.state == GSS_AUTHNONE) {
neg = Curl_input_negotiate(conn, proxy, auth); neg = Curl_input_negotiate(conn, proxy, auth);
if(neg == 0) { if(neg == 0) {
DEBUGASSERT(!data->req.newurl); DEBUGASSERT(!data->req.newurl);