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imap: Added support for sasl login authentication

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This commit is contained in:
Steve Holme 2013-01-06 23:14:18 +00:00
parent 494b8664da
commit 4e6265ea5a
2 changed files with 92 additions and 1 deletions
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91
lib/imap.c
View File

@ -433,6 +433,8 @@ static void state(struct connectdata *conn,
"UPGRADETLS",
"CAPABILITY",
"AUTHENTICATE_PLAIN",
"AUTHENTICATE_LOGIN",
"AUTHENTICATE_LOGIN_PASSWD",
"AUTHENTICATE",
"LOGIN",
"SELECT",
@ -511,7 +513,12 @@ static CURLcode imap_authenticate(struct connectdata *conn)
/* Check supported authentication mechanisms by decreasing order of
security */
if(imapc->authmechs & SASL_MECH_PLAIN) {
if(imapc->authmechs & SASL_MECH_LOGIN) {
mech = "LOGIN";
authstate = IMAP_AUTHENTICATE_LOGIN;
imapc->authused = SASL_MECH_LOGIN;
}
else if(imapc->authmechs & SASL_MECH_PLAIN) {
mech = "PLAIN";
authstate = IMAP_AUTHENTICATE_PLAIN;
imapc->authused = SASL_MECH_PLAIN;
@ -683,6 +690,79 @@ static CURLcode imap_state_auth_plain_resp(struct connectdata *conn,
return result;
}
/* For AUTHENTICATE LOGIN responses */
static CURLcode imap_state_auth_login_resp(struct connectdata *conn,
int imapcode,
imapstate instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
size_t len = 0;
char *authuser = NULL;
(void)instate; /* no use for this yet */
if(imapcode != '+') {
failf(data, "Access denied: %d", imapcode);
result = CURLE_LOGIN_DENIED;
}
else {
/* Create the user message */
result = Curl_sasl_create_login_message(data, conn->user,
&authuser, &len);
/* Send the user */
if(!result) {
if(authuser) {
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", authuser);
if(!result)
state(conn, IMAP_AUTHENTICATE_LOGIN_PASSWD);
}
Curl_safefree(authuser);
}
}
return result;
}
/* For AUTHENTICATE LOGIN user entry responses */
static CURLcode imap_state_auth_login_password_resp(struct connectdata *conn,
int imapcode,
imapstate instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
size_t len = 0;
char *authpasswd = NULL;
(void)instate; /* no use for this yet */
if(imapcode != '+') {
failf(data, "Access denied: %d", imapcode);
result = CURLE_LOGIN_DENIED;
}
else {
/* Create the password message */
result = Curl_sasl_create_login_message(data, conn->passwd,
&authpasswd, &len);
/* Send the password */
if(!result) {
if(authpasswd) {
result = Curl_pp_sendf(&conn->proto.imapc.pp, "%s", authpasswd);
if(!result)
state(conn, IMAP_AUTHENTICATE);
}
Curl_safefree(authpasswd);
}
}
return result;
}
/* For final responses to the AUTHENTICATE sequence */
static CURLcode imap_state_auth_final_resp(struct connectdata *conn,
@ -913,6 +993,15 @@ static CURLcode imap_statemach_act(struct connectdata *conn)
result = imap_state_auth_plain_resp(conn, imapcode, imapc->state);
break;
case IMAP_AUTHENTICATE_LOGIN:
result = imap_state_auth_login_resp(conn, imapcode, imapc->state);
break;
case IMAP_AUTHENTICATE_LOGIN_PASSWD:
result = imap_state_auth_login_password_resp(conn, imapcode,
imapc->state);
break;
case IMAP_AUTHENTICATE:
result = imap_state_auth_final_resp(conn, imapcode, imapc->state);
break;

2
lib/imap.h
View File

@ -36,6 +36,8 @@ typedef enum {
(multi mode only) */
IMAP_CAPABILITY,
IMAP_AUTHENTICATE_PLAIN,
IMAP_AUTHENTICATE_LOGIN,
IMAP_AUTHENTICATE_LOGIN_PASSWD,
IMAP_AUTHENTICATE,
IMAP_LOGIN,
IMAP_SELECT,