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sasl: Combined DIGEST-MD5 message decoding and generation

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This commit is contained in:
Steve Holme 2014-04-02 20:53:43 +01:00
parent 45d3f00803
commit 3a92de5636
5 changed files with 76 additions and 94 deletions
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42
lib/imap.c
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@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -1110,10 +1110,6 @@ static CURLcode imap_state_auth_digest_resp(struct connectdata *conn,
char *rplyb64 = NULL;
size_t len = 0;
char nonce[64];
char realm[128];
char algorithm[64];
(void)instate; /* no use for this yet */
if(imapcode != '+') {
@ -1124,30 +1120,26 @@ static CURLcode imap_state_auth_digest_resp(struct connectdata *conn,
/* Get the challenge message */
imap_get_message(data->state.buffer, &chlg64);
/* Decode the challange message */
result = Curl_sasl_decode_digest_md5_message(chlg64, nonce, sizeof(nonce),
realm, sizeof(realm),
algorithm, sizeof(algorithm));
if(result || strcmp(algorithm, "md5-sess") != 0) {
/* Send the cancellation */
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "*");
if(!result)
state(conn, IMAP_AUTHENTICATE_CANCEL);
}
else {
/* Create the response message */
result = Curl_sasl_create_digest_md5_message(data, nonce, realm,
conn->user, conn->passwd,
"imap", &rplyb64, &len);
if(!result && rplyb64) {
/* Send the response */
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", rplyb64);
/* Create the response message */
result = Curl_sasl_create_digest_md5_message(data, chlg64,
conn->user, conn->passwd,
"imap", &rplyb64, &len);
if(result) {
if(result == CURLE_BAD_CONTENT_ENCODING) {
/* Send the cancellation */
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", "*");
if(!result)
state(conn, IMAP_AUTHENTICATE_DIGESTMD5_RESP);
state(conn, IMAP_AUTHENTICATE_CANCEL);
}
}
else {
/* Send the response */
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", rplyb64);
if(!result)
state(conn, IMAP_AUTHENTICATE_DIGESTMD5_RESP);
}
Curl_safefree(rplyb64);