aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--lib/smtp.c160
1 files changed, 92 insertions, 68 deletions
diff --git a/lib/smtp.c b/lib/smtp.c
index 4c12a102b..334814a8a 100644
--- a/lib/smtp.c
+++ b/lib/smtp.c
@@ -105,6 +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);
/*
* SMTP protocol handler.
@@ -471,7 +475,6 @@ static CURLcode smtp_perform_auth(struct connectdata *conn,
static CURLcode smtp_perform_authentication(struct connectdata *conn)
{
CURLcode result = CURLE_OK;
- struct SessionHandle *data = conn->data;
struct smtp_conn *smtpc = &conn->proto.smtpc;
const char *mech = NULL;
char *initresp = NULL;
@@ -487,73 +490,9 @@ static CURLcode smtp_perform_authentication(struct connectdata *conn)
return result;
}
- /* 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) &&
- (smtpc->prefmech & SASL_MECH_DIGEST_MD5)) {
- mech = SASL_MECH_STRING_DIGEST_MD5;
- state1 = SMTP_AUTH_DIGESTMD5;
- smtpc->authused = SASL_MECH_DIGEST_MD5;
- }
- else if((smtpc->authmechs & SASL_MECH_CRAM_MD5) &&
- (smtpc->prefmech & SASL_MECH_CRAM_MD5)) {
- mech = SASL_MECH_STRING_CRAM_MD5;
- state1 = SMTP_AUTH_CRAMMD5;
- smtpc->authused = SASL_MECH_CRAM_MD5;
- }
- else
-#endif
-#ifdef USE_NTLM
- if((smtpc->authmechs & SASL_MECH_NTLM) &&
- (smtpc->prefmech & SASL_MECH_NTLM)) {
- mech = SASL_MECH_STRING_NTLM;
- state1 = SMTP_AUTH_NTLM;
- state2 = SMTP_AUTH_NTLM_TYPE2MSG;
- smtpc->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->authmechs & SASL_MECH_XOAUTH2) &&
- (smtpc->prefmech & SASL_MECH_XOAUTH2) &&
- (smtpc->prefmech != SASL_AUTH_ANY)) || conn->xoauth2_bearer) {
- mech = SASL_MECH_STRING_XOAUTH2;
- state1 = SMTP_AUTH_XOAUTH2;
- state2 = SMTP_AUTH_FINAL;
- smtpc->authused = SASL_MECH_XOAUTH2;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_xoauth2_message(conn->data, conn->user,
- conn->xoauth2_bearer,
- &initresp, &len);
- }
- else if((smtpc->authmechs & SASL_MECH_LOGIN) &&
- (smtpc->prefmech & SASL_MECH_LOGIN)) {
- mech = SASL_MECH_STRING_LOGIN;
- state1 = SMTP_AUTH_LOGIN;
- state2 = SMTP_AUTH_LOGIN_PASSWD;
- smtpc->authused = SASL_MECH_LOGIN;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_login_message(conn->data, conn->user,
- &initresp, &len);
- }
- else if((smtpc->authmechs & SASL_MECH_PLAIN) &&
- (smtpc->prefmech & SASL_MECH_PLAIN)) {
- mech = SASL_MECH_STRING_PLAIN;
- state1 = SMTP_AUTH_PLAIN;
- state2 = SMTP_AUTH_FINAL;
- smtpc->authused = SASL_MECH_PLAIN;
-
- if(data->set.sasl_ir)
- result = Curl_sasl_create_plain_message(conn->data, conn->user,
- conn->passwd, &initresp, &len);
- }
+ /* Calculate the SASL login details */
+ result = smtp_calc_sasl_details(conn, &mech, &initresp, &len, &state1,
+ &state2);
if(!result) {
if(mech) {
@@ -2044,6 +1983,91 @@ 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 */
+#ifndef CURL_DISABLE_CRYPTO_AUTH
+ if((smtpc->authmechs & SASL_MECH_DIGEST_MD5) &&
+ (smtpc->prefmech & SASL_MECH_DIGEST_MD5)) {
+ *mech = SASL_MECH_STRING_DIGEST_MD5;
+ *state1 = SMTP_AUTH_DIGESTMD5;
+ smtpc->authused = SASL_MECH_DIGEST_MD5;
+ }
+ else if((smtpc->authmechs & SASL_MECH_CRAM_MD5) &&
+ (smtpc->prefmech & SASL_MECH_CRAM_MD5)) {
+ *mech = SASL_MECH_STRING_CRAM_MD5;
+ *state1 = SMTP_AUTH_CRAMMD5;
+ smtpc->authused = SASL_MECH_CRAM_MD5;
+ }
+ else
+#endif
+#ifdef USE_NTLM
+ if((smtpc->authmechs & SASL_MECH_NTLM) &&
+ (smtpc->prefmech & SASL_MECH_NTLM)) {
+ *mech = SASL_MECH_STRING_NTLM;
+ *state1 = SMTP_AUTH_NTLM;
+ *state2 = SMTP_AUTH_NTLM_TYPE2MSG;
+ smtpc->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->authmechs & SASL_MECH_XOAUTH2) &&
+ (smtpc->prefmech & SASL_MECH_XOAUTH2) &&
+ (smtpc->prefmech != SASL_AUTH_ANY)) || conn->xoauth2_bearer) {
+ *mech = SASL_MECH_STRING_XOAUTH2;
+ *state1 = SMTP_AUTH_XOAUTH2;
+ *state2 = SMTP_AUTH_FINAL;
+ smtpc->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->authmechs & SASL_MECH_LOGIN) &&
+ (smtpc->prefmech & SASL_MECH_LOGIN)) {
+ *mech = SASL_MECH_STRING_LOGIN;
+ *state1 = SMTP_AUTH_LOGIN;
+ *state2 = SMTP_AUTH_LOGIN_PASSWD;
+ smtpc->authused = SASL_MECH_LOGIN;
+
+ if(data->set.sasl_ir)
+ result = Curl_sasl_create_login_message(data, conn->user, initresp, len);
+ }
+ else if((smtpc->authmechs & SASL_MECH_PLAIN) &&
+ (smtpc->prefmech & SASL_MECH_PLAIN)) {
+ *mech = SASL_MECH_STRING_PLAIN;
+ *state1 = SMTP_AUTH_PLAIN;
+ *state2 = SMTP_AUTH_FINAL;
+ smtpc->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, ssize_t nread)
{
/* When sending a SMTP payload we must detect CRLF. sequences making sure