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email: Added support for canceling CRAM-MD5 authentication

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This commit is contained in:
Steve Holme
2013-10-27 12:34:56 +00:00
parent 8230af0b94
commit 1e39b95682
5 changed files with 98 additions and 44 deletions
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26
lib/smtp.c
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@@ -944,6 +944,7 @@ static CURLcode smtp_state_auth_cram_resp(struct connectdata *conn,
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
char *chlg = NULL;
char *chlg64 = NULL;
char *rplyb64 = NULL;
size_t len = 0;
@@ -958,22 +959,31 @@ static CURLcode smtp_state_auth_cram_resp(struct connectdata *conn,
/* Get the challenge message */
smtp_get_message(data->state.buffer, &chlg64);
/* Create the response message */
result = Curl_sasl_create_cram_md5_message(data, chlg64, conn->user,
conn->passwd, &rplyb64, &len);
/* Decode the challenge message */
result = Curl_sasl_decode_cram_md5_message(chlg64, &chlg, &len);
if(result) {
/* Send the cancellation */
result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "*");
/* Send the response */
if(!result) {
if(rplyb64) {
if(!result)
state(conn, SMTP_AUTH_CANCEL);
}
else {
/* Create the response message */
result = Curl_sasl_create_cram_md5_message(data, chlg64, conn->user,
conn->passwd, &rplyb64, &len);
if(!result && rplyb64) {
/* Send the response */
result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", rplyb64);
if(!result)
state(conn, SMTP_AUTH_FINAL);
}
Curl_safefree(rplyb64);
}
Curl_safefree(chlg);
Curl_safefree(rplyb64);
return result;
}