email: Provided extra comments following recent pop3/imap fixes

Provided additional clarification about the logic of the authenticate()
functions following commit 6b6bdc83bd and b4270a9af1.
This commit is contained in:
Steve Holme
2013-02-04 23:51:36 +00:00
parent 7fd5f680ea
commit 022e67294e
3 changed files with 17 additions and 7 deletions

View File

@@ -373,8 +373,8 @@ static CURLcode smtp_authenticate(struct connectdata *conn)
return result;
}
/* Check supported authentication mechanisms by decreasing order of
security */
/* Calculate the supported authentication mechanism, by decreasing order of
security, as well as the initial response where appropriate */
#ifndef CURL_DISABLE_CRYPTO_AUTH
if(smtpc->authmechs & SASL_MECH_DIGEST_MD5) {
mech = "DIGEST-MD5";
@@ -417,11 +417,13 @@ static CURLcode smtp_authenticate(struct connectdata *conn)
conn->passwd, &initresp, &len);
}
else {
/* Other mechanisms not supported */
infof(conn->data, "No known authentication mechanisms supported!\n");
result = CURLE_LOGIN_DENIED; /* Other mechanisms not supported */
result = CURLE_LOGIN_DENIED;
}
if(!result) {
/* Perform SASL based authentication */
if(initresp &&
strlen(mech) + len <= 512 - 8) { /* AUTH <mech> ...<crlf> */
result = Curl_pp_sendf(&smtpc->pp, "AUTH %s %s", mech, initresp);
@@ -435,6 +437,7 @@ static CURLcode smtp_authenticate(struct connectdata *conn)
if(!result)
state(conn, state1);
}
Curl_safefree(initresp);
}