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pop3: Added support for sasl ntlm authentication

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This commit is contained in:
Steve Holme 2012-06-02 11:55:58 +01:00
parent 6f964e4f06
commit 69f7156ad9
2 changed files with 98 additions and 1 deletions
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95
lib/pop3.c
View File

@ -284,6 +284,8 @@ static void state(struct connectdata *conn, pop3state newstate)
"AUTH_PLAIN",
"AUTH_LOGIN",
"AUTH_LOGIN_PASSWD",
"AUTH_NTLM",
"AUTH_NTLM_TYPE2MSG",
"AUTH_FINAL",
"USER",
"PASS",
@ -345,6 +347,14 @@ static CURLcode pop3_authenticate(struct connectdata *conn)
/* Check supported authentication mechanisms by decreasing order of
security */
#ifdef USE_NTLM
if(pop3c->authmechs & SASL_AUTH_NTLM) {
mech = "NTLM";
authstate = POP3_AUTH_NTLM;
pop3c->authused = SASL_AUTH_NTLM;
}
else
#endif
if(pop3c->authmechs & SASL_AUTH_LOGIN) {
mech = "LOGIN";
authstate = POP3_AUTH_LOGIN;
@ -567,6 +577,80 @@ static CURLcode pop3_state_auth_login_password_resp(struct connectdata *conn,
return result;
}
#ifdef USE_NTLM
/* For AUTH NTLM responses */
static CURLcode pop3_state_auth_ntlm_resp(struct connectdata *conn,
int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
char *type1msg = NULL;
size_t len = 0;
(void)instate; /* no use for this yet */
if(pop3code != '+') {
failf(data, "Access denied: %d", pop3code);
result = CURLE_LOGIN_DENIED;
}
else {
result = Curl_sasl_create_ntlm_type1_message(conn->user, conn->passwd,
&conn->ntlm, &type1msg, &len);
if(!result) {
if(type1msg) {
result = Curl_pp_sendf(&conn->proto.pop3c.pp, "%s", type1msg);
if(!result)
state(conn, POP3_AUTH_NTLM_TYPE2MSG);
}
Curl_safefree(type1msg);
}
}
return result;
}
/* For the NTLM type-2 response (sent in reponse to our type-1 message) */
static CURLcode pop3_state_auth_ntlm_type2msg_resp(struct connectdata *conn,
int pop3code,
pop3state instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
char *type3msg = NULL;
size_t len = 0;
(void)instate; /* no use for this yet */
if(pop3code != '+') {
failf(data, "Access denied: %d", pop3code);
result = CURLE_LOGIN_DENIED;
}
else {
result = Curl_sasl_decode_ntlm_type2_message(data,
data->state.buffer + 2,
conn->user, conn->passwd,
&conn->ntlm,
&type3msg, &len);
if(!result) {
if(type3msg) {
result = Curl_pp_sendf(&conn->proto.pop3c.pp, "%s", type3msg);
if(!result)
state(conn, POP3_AUTH_FINAL);
}
Curl_safefree(type3msg);
}
}
return result;
}
#endif
/* For final responses to the AUTH sequence */
static CURLcode pop3_state_auth_final_resp(struct connectdata *conn,
int pop3code,
@ -771,6 +855,14 @@ static CURLcode pop3_statemach_act(struct connectdata *conn)
result = pop3_state_auth_login_password_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_NTLM:
result = pop3_state_auth_ntlm_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_NTLM_TYPE2MSG:
result = pop3_state_auth_ntlm_type2msg_resp(conn, pop3code, pop3c->state);
break;
case POP3_AUTH_FINAL:
result = pop3_state_auth_final_resp(conn, pop3code, pop3c->state);
break;
@ -1083,6 +1175,9 @@ static CURLcode pop3_disconnect(struct connectdata *conn, bool dead_connection)
Curl_pp_disconnect(&pop3c->pp);
/* Cleanup the sasl module */
Curl_sasl_cleanup(conn, pop3c->authused);
return CURLE_OK;
}

2
lib/pop3.h
View File

@ -34,6 +34,8 @@ typedef enum {
POP3_AUTH_PLAIN,
POP3_AUTH_LOGIN,
POP3_AUTH_LOGIN_PASSWD,
POP3_AUTH_NTLM,
POP3_AUTH_NTLM_TYPE2MSG,
POP3_AUTH_FINAL,
POP3_USER,
POP3_PASS,