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authorPatrick Monnerat <pm@datasphere.ch>2015-01-20 17:33:05 +0100
committerPatrick Monnerat <pm@datasphere.ch>2015-01-20 17:33:05 +0100
commit79543caf908118d056353714ba2cb5c5348e20c2 (patch)
tree3509da752a1a2be8b0c980bf6eae6637052e6777 /lib/smtp.c
parente1ea18f90e93d50fc999c46c53685fbdd9508659 (diff)
downloadcurl-79543caf908118d056353714ba2cb5c5348e20c2.tar.gz
SASL: common state engine for imap/pop3/smtp
Diffstat (limited to 'lib/smtp.c')
-rw-r--r--lib/smtp.c812
1 files changed, 53 insertions, 759 deletions
diff --git a/lib/smtp.c b/lib/smtp.c
index e5ddedb02..ca1ab2cec 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -105,10 +105,10 @@ static CURLcode smtp_setup_connection(struct connectdata *conn);
static CURLcode smtp_parse_url_options(struct connectdata *conn);
static CURLcode smtp_parse_url_path(struct connectdata *conn);
static CURLcode smtp_parse_custom_request(struct connectdata *conn);
-static CURLcode smtp_calc_sasl_details(struct connectdata *conn,
- const char **mech,
- char **initresp, size_t *len,
- smtpstate *state1, smtpstate *state2);
+static CURLcode smtp_perform_auth(struct connectdata *conn, const char *mech,
+ const char *initresp);
+static CURLcode smtp_continue_auth(struct connectdata *conn, const char *resp);
+static void smtp_get_message(char *buffer, char** outptr);
/*
* SMTP protocol handler.
@@ -213,6 +213,17 @@ static const struct Curl_handler Curl_handler_smtps_proxy = {
#endif
#endif
+/* SASL parameters for the smtp protocol */
+static const struct SASLproto saslsmtp = {
+ "smtp", /* The service name */
+ 334, /* Code received when continuation is expected */
+ 235, /* Code to receive upon authentication success */
+ 512 - 8, /* Maximum initial response length (no max) */
+ smtp_perform_auth, /* Send authentication command */
+ smtp_continue_auth, /* Send authentication continuation */
+ smtp_get_message /* Get SASL response message */
+};
+
#ifdef USE_SSL
static void smtp_to_smtps(struct connectdata *conn)
{
@@ -309,20 +320,7 @@ static void state(struct connectdata *conn, smtpstate newstate)
"HELO",
"STARTTLS",
"UPGRADETLS",
- "AUTH_PLAIN",
- "AUTH_LOGIN",
- "AUTH_LOGIN_PASSWD",
- "AUTH_CRAMMD5",
- "AUTH_DIGESTMD5",
- "AUTH_DIGESTMD5_RESP",
- "AUTH_NTLM",
- "AUTH_NTLM_TYPE2MSG",
- "AUTH_GSSAPI",
- "AUTH_GSSAPI_TOKEN",
- "AUTH_GSSAPI_NO_DATA",
- "AUTH_XOAUTH2",
- "AUTH_CANCEL",
- "AUTH_FINAL",
+ "AUTH",
"COMMAND",
"MAIL",
"RCPT",
@@ -445,25 +443,18 @@ static CURLcode smtp_perform_upgrade_tls(struct connectdata *conn)
*/
static CURLcode smtp_perform_auth(struct connectdata *conn,
const char *mech,
- const char *initresp, size_t len,
- smtpstate state1, smtpstate state2)
+ const char *initresp)
{
CURLcode result = CURLE_OK;
struct smtp_conn *smtpc = &conn->proto.smtpc;
- if(initresp && 8 + strlen(mech) + len <= 512) { /* AUTH <mech> ...<crlf> */
+ if(initresp) { /* AUTH <mech> ...<crlf> */
/* Send the AUTH command with the initial response */
result = Curl_pp_sendf(&smtpc->pp, "AUTH %s %s", mech, initresp);
-
- if(!result)
- state(conn, state2);
}
else {
/* Send the AUTH command */
result = Curl_pp_sendf(&smtpc->pp, "AUTH %s", mech);
-
- if(!result)
- state(conn, state1);
}
return result;
@@ -471,6 +462,19 @@ static CURLcode smtp_perform_auth(struct connectdata *conn,
/***********************************************************************
*
+ * smtp_continue_auth()
+ *
+ * Sends SASL continuation data or cancellation.
+ */
+static CURLcode smtp_continue_auth(struct connectdata *conn, const char *resp)
+{
+ struct smtp_conn *smtpc = &conn->proto.smtpc;
+
+ return Curl_pp_sendf(&smtpc->pp, "%s", resp);
+}
+
+/***********************************************************************
+ *
* smtp_perform_authentication()
*
* Initiates the authentication sequence, with the appropriate SASL
@@ -480,31 +484,21 @@ static CURLcode smtp_perform_authentication(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
struct smtp_conn *smtpc = &conn->proto.smtpc;
- const char *mech = NULL;
- char *initresp = NULL;
- size_t len = 0;
- smtpstate state1 = SMTP_STOP;
- smtpstate state2 = SMTP_STOP;
+ saslprogress progress;
/* Check we have a username and password to authenticate with, and the
server supports authentiation, and end the connect phase if not */
if(!conn->bits.user_passwd || !smtpc->auth_supported) {
state(conn, SMTP_STOP);
-
return result;
}
/* Calculate the SASL login details */
- result = smtp_calc_sasl_details(conn, &mech, &initresp, &len, &state1,
- &state2);
+ result = Curl_sasl_start(&smtpc->sasl, conn, FALSE, &progress);
if(!result) {
- if(mech) {
- /* Perform SASL based authentication */
- result = smtp_perform_auth(conn, mech, initresp, len, state1, state2);
-
- Curl_safefree(initresp);
- }
+ if(progress == SASL_INPROGRESS)
+ state(conn, SMTP_AUTH);
else {
/* Other mechanisms not supported */
infof(conn->data, "No known authentication mechanisms supported!\n");
@@ -825,566 +819,31 @@ static CURLcode smtp_state_helo_resp(struct connectdata *conn, int smtpcode,
return result;
}
-/* For AUTH PLAIN (without initial response) responses */
-static CURLcode smtp_state_auth_plain_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- size_t len = 0;
- char *plainauth = NULL;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Create the authorisation message */
- result = Curl_sasl_create_plain_message(conn->data, conn->user,
- conn->passwd, &plainauth, &len);
- if(!result && plainauth) {
- /* Send the message */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", plainauth);
-
- if(!result)
- state(conn, SMTP_AUTH_FINAL);
- }
- }
-
- Curl_safefree(plainauth);
-
- return result;
-}
-
-/* For AUTH LOGIN (without initial response) responses */
-static CURLcode smtp_state_auth_login_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate 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(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Create the user message */
- result = Curl_sasl_create_login_message(conn->data, conn->user,
- &authuser, &len);
- if(!result && authuser) {
- /* Send the user */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", authuser);
-
- if(!result)
- state(conn, SMTP_AUTH_LOGIN_PASSWD);
- }
- }
-
- Curl_safefree(authuser);
-
- return result;
-}
-
-/* For AUTH LOGIN user entry responses */
-static CURLcode smtp_state_auth_login_password_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate 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(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Create the password message */
- result = Curl_sasl_create_login_message(conn->data, conn->passwd,
- &authpasswd, &len);
- if(!result && authpasswd) {
- /* Send the password */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", authpasswd);
-
- if(!result)
- state(conn, SMTP_AUTH_FINAL);
- }
- }
-
- Curl_safefree(authpasswd);
-
- return result;
-}
-
-#ifndef CURL_DISABLE_CRYPTO_AUTH
-/* For AUTH CRAM-MD5 responses */
-static CURLcode smtp_state_auth_cram_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- char *chlg = NULL;
- char *chlg64 = NULL;
- char *rplyb64 = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- return CURLE_LOGIN_DENIED;
- }
-
- /* Get the challenge message */
- smtp_get_message(data->state.buffer, &chlg64);
-
- /* 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", "*");
-
- if(!result)
- state(conn, SMTP_AUTH_CANCEL);
- }
- else {
- /* Create the response message */
- result = Curl_sasl_create_cram_md5_message(data, chlg, 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(chlg);
- Curl_safefree(rplyb64);
-
- return result;
-}
-
-/* For AUTH DIGEST-MD5 challenge responses */
-static CURLcode smtp_state_auth_digest_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- char *chlg64 = NULL;
- char *rplyb64 = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- return CURLE_LOGIN_DENIED;
- }
-
- /* Get the challenge message */
- smtp_get_message(data->state.buffer, &chlg64);
-
- /* Create the response message */
- result = Curl_sasl_create_digest_md5_message(data, chlg64,
- conn->user, conn->passwd,
- "smtp", &rplyb64, &len);
- if(result) {
- if(result == CURLE_BAD_CONTENT_ENCODING) {
- /* Send the cancellation */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "*");
-
- if(!result)
- state(conn, SMTP_AUTH_CANCEL);
- }
- }
- else {
- /* Send the response */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", rplyb64);
-
- if(!result)
- state(conn, SMTP_AUTH_DIGESTMD5_RESP);
- }
-
- Curl_safefree(rplyb64);
-
- return result;
-}
-
-/* For AUTH DIGEST-MD5 challenge-response responses */
-static CURLcode smtp_state_auth_digest_resp_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Authentication failed: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Send an empty response */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "");
-
- if(!result)
- state(conn, SMTP_AUTH_FINAL);
- }
-
- return result;
-}
-
-#endif
-
-#ifdef USE_NTLM
-/* For AUTH NTLM (without initial response) responses */
-static CURLcode smtp_state_auth_ntlm_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate 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(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Create the type-1 message */
- result = Curl_sasl_create_ntlm_type1_message(conn->user, conn->passwd,
- &conn->ntlm,
- &type1msg, &len);
- if(!result && type1msg) {
- /* Send the message */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", type1msg);
-
- if(!result)
- state(conn, SMTP_AUTH_NTLM_TYPE2MSG);
- }
- }
-
- Curl_safefree(type1msg);
-
- return result;
-}
-
-/* For NTLM type-2 responses (sent in reponse to our type-1 message) */
-static CURLcode smtp_state_auth_ntlm_type2msg_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- char *type2msg = NULL;
- char *type3msg = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Get the type-2 message */
- smtp_get_message(data->state.buffer, &type2msg);
-
- /* Decode the type-2 message */
- result = Curl_sasl_decode_ntlm_type2_message(data, type2msg, &conn->ntlm);
- if(result) {
- /* Send the cancellation */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "*");
-
- if(!result)
- state(conn, SMTP_AUTH_CANCEL);
- }
- else {
- /* Create the type-3 message */
- result = Curl_sasl_create_ntlm_type3_message(data, conn->user,
- conn->passwd, &conn->ntlm,
- &type3msg, &len);
- if(!result && type3msg) {
- /* Send the message */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", type3msg);
-
- if(!result)
- state(conn, SMTP_AUTH_FINAL);
- }
- }
- }
-
- Curl_safefree(type3msg);
-
- return result;
-}
-#endif
-
-#if defined(USE_KERBEROS5)
-/* For AUTH GSSAPI (without initial response) responses */
-static CURLcode smtp_state_auth_gssapi_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct smtp_conn *smtpc = &conn->proto.smtpc;
- char *respmsg = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Create the initial response message */
- result = Curl_sasl_create_gssapi_user_message(data, conn->user,
- conn->passwd, "smtp",
- smtpc->sasl.mutual_auth,
- NULL,
- &conn->krb5,
- &respmsg, &len);
- if(!result && respmsg) {
- /* Send the message */
- result = Curl_pp_sendf(&smtpc->pp, "%s", respmsg);
-
- if(!result)
- state(conn, SMTP_AUTH_GSSAPI_TOKEN);
- }
- }
-
- Curl_safefree(respmsg);
-
- return result;
-}
-
-/* For AUTH GSSAPI user token responses */
-static CURLcode smtp_state_auth_gssapi_token_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct smtp_conn *smtpc = &conn->proto.smtpc;
- char *chlgmsg = NULL;
- char *respmsg = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Get the challenge message */
- smtp_get_message(data->state.buffer, &chlgmsg);
-
- if(smtpc->sasl.mutual_auth)
- /* Decode the user token challenge and create the optional response
- message */
- result = Curl_sasl_create_gssapi_user_message(data, NULL, NULL, NULL,
- smtpc->sasl.mutual_auth,
- chlgmsg, &conn->krb5,
- &respmsg, &len);
- else
- /* Decode the security challenge and create the response message */
- result = Curl_sasl_create_gssapi_security_message(data, chlgmsg,
- &conn->krb5,
- &respmsg, &len);
-
- if(result) {
- if(result == CURLE_BAD_CONTENT_ENCODING) {
- /* Send the cancellation */
- result = Curl_pp_sendf(&smtpc->pp, "%s", "*");
-
- if(!result)
- state(conn, SMTP_AUTH_CANCEL);
- }
- }
- else {
- /* Send the response */
- if(respmsg)
- result = Curl_pp_sendf(&smtpc->pp, "%s", respmsg);
- else
- result = Curl_pp_sendf(&smtpc->pp, "%s", "");
-
- if(!result)
- state(conn, (smtpc->sasl.mutual_auth ? SMTP_AUTH_GSSAPI_NO_DATA :
- SMTP_AUTH_FINAL));
- }
- }
-
- Curl_safefree(respmsg);
-
- return result;
-}
-
-/* For AUTH GSSAPI no data responses */
-static CURLcode smtp_state_auth_gssapi_no_data_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- char *chlgmsg = NULL;
- char *respmsg = NULL;
- size_t len = 0;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Get the challenge message */
- smtp_get_message(data->state.buffer, &chlgmsg);
-
- /* Decode the security challenge and create the response message */
- result = Curl_sasl_create_gssapi_security_message(data, chlgmsg,
- &conn->krb5,
- &respmsg, &len);
- if(result) {
- if(result == CURLE_BAD_CONTENT_ENCODING) {
- /* Send the cancellation */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", "*");
-
- if(!result)
- state(conn, SMTP_AUTH_CANCEL);
- }
- }
- else {
- /* Send the response */
- if(respmsg) {
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", respmsg);
-
- if(!result)
- state(conn, SMTP_AUTH_FINAL);
- }
- }
- }
-
- Curl_safefree(respmsg);
-
- return result;
-}
-#endif
-
-/* For AUTH XOAUTH2 (without initial response) responses */
-static CURLcode smtp_state_auth_xoauth2_resp(struct connectdata *conn,
- int smtpcode, smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- size_t len = 0;
- char *xoauth = NULL;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 334) {
- failf(data, "Access denied: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else {
- /* Create the authorisation message */
- result = Curl_sasl_create_xoauth2_message(conn->data, conn->user,
- conn->xoauth2_bearer,
- &xoauth, &len);
- if(!result && xoauth) {
- /* Send the message */
- result = Curl_pp_sendf(&conn->proto.smtpc.pp, "%s", xoauth);
-
- if(!result)
- state(conn, SMTP_AUTH_FINAL);
- }
- }
-
- Curl_safefree(xoauth);
-
- return result;
-}
-
-/* For AUTH cancellation responses */
-static CURLcode smtp_state_auth_cancel_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
+/* For SASL authentication responses */
+static CURLcode smtp_state_auth_resp(struct connectdata *conn,
+ int smtpcode,
+ smtpstate instate)
{
CURLcode result = CURLE_OK;
struct SessionHandle *data = conn->data;
struct smtp_conn *smtpc = &conn->proto.smtpc;
- const char *mech = NULL;
- char *initresp = NULL;
- size_t len = 0;
- smtpstate state1 = SMTP_STOP;
- smtpstate state2 = SMTP_STOP;
+ saslprogress progress;
- (void)smtpcode;
(void)instate; /* no use for this yet */
- /* Remove the offending mechanism from the supported list */
- smtpc->sasl.authmechs ^= smtpc->sasl.authused;
-
- /* Calculate alternative SASL login details */
- result = smtp_calc_sasl_details(conn, &mech, &initresp, &len, &state1,
- &state2);
-
- if(!result) {
- /* Do we have any mechanisms left? */
- if(mech) {
- /* Retry SASL based authentication */
- result = smtp_perform_auth(conn, mech, initresp, len, state1, state2);
-
- Curl_safefree(initresp);
- }
- else {
+ result = Curl_sasl_continue(&smtpc->sasl, conn, smtpcode, &progress);
+ if(!result)
+ switch(progress) {
+ case SASL_DONE:
+ state(conn, SMTP_STOP); /* Authenticated */
+ break;
+ case SASL_IDLE: /* No mechanism left after cancellation */
failf(data, "Authentication cancelled");
-
result = CURLE_LOGIN_DENIED;
+ break;
+ default:
+ break;
}
- }
-
- return result;
-}
-
-/* For final responses in the AUTH sequence */
-static CURLcode smtp_state_auth_final_resp(struct connectdata *conn,
- int smtpcode,
- smtpstate instate)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
-
- (void)instate; /* no use for this yet */
-
- if(smtpcode != 235) {
- failf(data, "Authentication failed: %d", smtpcode);
- result = CURLE_LOGIN_DENIED;
- }
- else
- /* End of connect phase */
- state(conn, SMTP_STOP);
return result;
}
@@ -1582,69 +1041,8 @@ static CURLcode smtp_statemach_act(struct connectdata *conn)
result = smtp_state_starttls_resp(conn, smtpcode, smtpc->state);
break;
- case SMTP_AUTH_PLAIN:
- result = smtp_state_auth_plain_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_LOGIN:
- result = smtp_state_auth_login_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_LOGIN_PASSWD:
- result = smtp_state_auth_login_password_resp(conn, smtpcode,
- smtpc->state);
- break;
-
-#ifndef CURL_DISABLE_CRYPTO_AUTH
- case SMTP_AUTH_CRAMMD5:
- result = smtp_state_auth_cram_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_DIGESTMD5:
- result = smtp_state_auth_digest_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_DIGESTMD5_RESP:
- result = smtp_state_auth_digest_resp_resp(conn, smtpcode, smtpc->state);
- break;
-#endif
-
-#ifdef USE_NTLM
- case SMTP_AUTH_NTLM:
- result = smtp_state_auth_ntlm_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_NTLM_TYPE2MSG:
- result = smtp_state_auth_ntlm_type2msg_resp(conn, smtpcode,
- smtpc->state);
- break;
-#endif
-
-#if defined(USE_KERBEROS5)
- case SMTP_AUTH_GSSAPI:
- result = smtp_state_auth_gssapi_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_GSSAPI_TOKEN:
- result = smtp_state_auth_gssapi_token_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_GSSAPI_NO_DATA:
- result = smtp_state_auth_gssapi_no_data_resp(conn, smtpcode,
- smtpc->state);
- break;
-#endif
-
- case SMTP_AUTH_XOAUTH2:
- result = smtp_state_auth_xoauth2_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_CANCEL:
- result = smtp_state_auth_cancel_resp(conn, smtpcode, smtpc->state);
- break;
-
- case SMTP_AUTH_FINAL:
- result = smtp_state_auth_final_resp(conn, smtpcode, smtpc->state);
+ case SMTP_AUTH:
+ result = smtp_state_auth_resp(conn, smtpcode, smtpc->state);
break;
case SMTP_COMMAND:
@@ -1758,7 +1156,7 @@ static CURLcode smtp_connect(struct connectdata *conn, bool *done)
pp->conn = conn;
/* Initialize the SASL storage */
- Curl_sasl_init(&smtpc->sasl);
+ Curl_sasl_init(&smtpc->sasl, &saslsmtp);
/* Initialise the pingpong layer */
Curl_pp_init(pp);
@@ -2172,110 +1570,6 @@ static CURLcode smtp_parse_custom_request(struct connectdata *conn)
return result;
}
-/***********************************************************************
- *
- * smtp_calc_sasl_details()
- *
- * Calculate the required login details for SASL authentication.
- */
-static CURLcode smtp_calc_sasl_details(struct connectdata *conn,
- const char **mech,
- char **initresp, size_t *len,
- smtpstate *state1, smtpstate *state2)
-{
- CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
- struct smtp_conn *smtpc = &conn->proto.smtpc;
-
- /* Calculate the supported authentication mechanism, by decreasing order of
- security, as well as the initial response where appropriate */
-#if defined(USE_KERBEROS5)
- if((smtpc->sasl.authmechs & SASL_MECH_GSSAPI) &&
- (smtpc->sasl.prefmech & SASL_MECH_GSSAPI)) {
- smtpc->sasl.mutual_auth = FALSE; /* TODO: Calculate mutual auth. */
-
- *mech = SASL_MECH_STRING_GSSAPI;
- *state1 = SMTP_AUTH_GSSAPI;
- *state2 = SMTP_AUTH_GSSAPI_TOKEN;
- smtpc->sasl.authused = SASL_MECH_GSSAPI;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_gssapi_user_message(data, conn->user,
- conn->passwd, "smtp",
- smtpc->sasl.mutual_auth,
- NULL, &conn->krb5,
- initresp, len);
- }
- else
-#endif
-#ifndef CURL_DISABLE_CRYPTO_AUTH
- if((smtpc->sasl.authmechs & SASL_MECH_DIGEST_MD5) &&
- (smtpc->sasl.prefmech & SASL_MECH_DIGEST_MD5)) {
- *mech = SASL_MECH_STRING_DIGEST_MD5;
- *state1 = SMTP_AUTH_DIGESTMD5;
- smtpc->sasl.authused = SASL_MECH_DIGEST_MD5;
- }
- else if((smtpc->sasl.authmechs & SASL_MECH_CRAM_MD5) &&
- (smtpc->sasl.prefmech & SASL_MECH_CRAM_MD5)) {
- *mech = SASL_MECH_STRING_CRAM_MD5;
- *state1 = SMTP_AUTH_CRAMMD5;
- smtpc->sasl.authused = SASL_MECH_CRAM_MD5;
- }
- else
-#endif
-#ifdef USE_NTLM
- if((smtpc->sasl.authmechs & SASL_MECH_NTLM) &&
- (smtpc->sasl.prefmech & SASL_MECH_NTLM)) {
- *mech = SASL_MECH_STRING_NTLM;
- *state1 = SMTP_AUTH_NTLM;
- *state2 = SMTP_AUTH_NTLM_TYPE2MSG;
- smtpc->sasl.authused = SASL_MECH_NTLM;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_ntlm_type1_message(conn->user, conn->passwd,
- &conn->ntlm,
- initresp, len);
- }
- else
-#endif
- if(((smtpc->sasl.authmechs & SASL_MECH_XOAUTH2) &&
- (smtpc->sasl.prefmech & SASL_MECH_XOAUTH2) &&
- (smtpc->sasl.prefmech != SASL_AUTH_ANY)) || conn->xoauth2_bearer) {
- *mech = SASL_MECH_STRING_XOAUTH2;
- *state1 = SMTP_AUTH_XOAUTH2;
- *state2 = SMTP_AUTH_FINAL;
- smtpc->sasl.authused = SASL_MECH_XOAUTH2;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_xoauth2_message(data, conn->user,
- conn->xoauth2_bearer,
- initresp, len);
- }
- else if((smtpc->sasl.authmechs & SASL_MECH_LOGIN) &&
- (smtpc->sasl.prefmech & SASL_MECH_LOGIN)) {
- *mech = SASL_MECH_STRING_LOGIN;
- *state1 = SMTP_AUTH_LOGIN;
- *state2 = SMTP_AUTH_LOGIN_PASSWD;
- smtpc->sasl.authused = SASL_MECH_LOGIN;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_login_message(data, conn->user, initresp, len);
- }
- else if((smtpc->sasl.authmechs & SASL_MECH_PLAIN) &&
- (smtpc->sasl.prefmech & SASL_MECH_PLAIN)) {
- *mech = SASL_MECH_STRING_PLAIN;
- *state1 = SMTP_AUTH_PLAIN;
- *state2 = SMTP_AUTH_FINAL;
- smtpc->sasl.authused = SASL_MECH_PLAIN;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_plain_message(data, conn->user, conn->passwd,
- initresp, len);
- }
-
- return result;
-}
-
CURLcode Curl_smtp_escape_eob(struct connectdata *conn, const ssize_t nread)
{
/* When sending a SMTP payload we must detect CRLF. sequences making sure