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-rw-r--r--lib/imap.c25
-rw-r--r--lib/imap.h3
-rw-r--r--tests/data/Makefile.inc2
-rw-r--r--tests/data/test84650
4 files changed, 68 insertions, 12 deletions
diff --git a/lib/imap.c b/lib/imap.c
index bc20110c2..417d48055 100644
--- a/lib/imap.c
+++ b/lib/imap.c
@@ -254,6 +254,8 @@ static bool imap_endofresp(struct connectdata *conn, char *line, size_t len,
*resp = 'N';
else if(len >= 3 && !memcmp(line, "BAD", 3))
*resp = 'B';
+ else if(len >= 7 && !memcmp(line, "PREAUTH", 7))
+ *resp = 'P';
else {
failf(conn->data, "Bad tagged response");
*resp = -1;
@@ -563,9 +565,10 @@ static CURLcode imap_perform_authentication(struct connectdata *conn)
struct imap_conn *imapc = &conn->proto.imapc;
saslprogress progress;
- /* Check we have enough data to authenticate with and end the
- connect phase if we don't */
- if(!Curl_sasl_can_authenticate(&imapc->sasl, conn)) {
+ /* Check if already authenticated OR if there is enough data to authenticate
+ with and end the connect phase if we don't */
+ if(imapc->preauth ||
+ !Curl_sasl_can_authenticate(&imapc->sasl, conn)) {
state(conn, IMAP_STOP);
return result;
}
@@ -789,19 +792,21 @@ static CURLcode imap_state_servergreet_resp(struct connectdata *conn,
int imapcode,
imapstate instate)
{
- CURLcode result = CURLE_OK;
struct Curl_easy *data = conn->data;
-
(void)instate; /* no use for this yet */
- if(imapcode != 'O') {
+ if(imapcode == 'P') {
+ /* PREAUTH */
+ struct imap_conn *imapc = &conn->proto.imapc;
+ imapc->preauth = TRUE;
+ infof(data, "PREAUTH connection, already authenticated!\n");
+ }
+ else if(imapcode != 'O') {
failf(data, "Got unexpected imap-server response");
- result = CURLE_WEIRD_SERVER_REPLY;
+ return CURLE_WEIRD_SERVER_REPLY;
}
- else
- result = imap_perform_capability(conn);
- return result;
+ return imap_perform_capability(conn);
}
/* For CAPABILITY responses */
diff --git a/lib/imap.h b/lib/imap.h
index 5e0e228f5..9fc4ff5a3 100644
--- a/lib/imap.h
+++ b/lib/imap.h
@@ -7,7 +7,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 2009 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2009 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -71,6 +71,7 @@ struct imap_conn {
struct pingpong pp;
imapstate state; /* Always use imap.c:state() to change state! */
bool ssldone; /* Is connect() over SSL done? */
+ bool preauth; /* Is this connection PREAUTH? */
struct SASL sasl; /* SASL-related parameters */
unsigned int preftype; /* Preferred authentication type */
int cmdid; /* Last used command ID */
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index 9da3e7e94..098f3f60f 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -87,7 +87,7 @@ test809 test810 test811 test812 test813 test814 test815 test816 test817 \
test818 test819 test820 test821 test822 test823 test824 test825 test826 \
test827 test828 test829 test830 test831 test832 test833 test834 test835 \
test836 test837 test838 test839 test840 test841 test842 test843 test844 \
-test845 \
+test845 test846 \
\
test850 test851 test852 test853 test854 test855 test856 test857 test858 \
test859 test860 test861 test862 test863 test864 test865 test866 test867 \
diff --git a/tests/data/test846 b/tests/data/test846
new file mode 100644
index 000000000..b363ffd18
--- /dev/null
+++ b/tests/data/test846
@@ -0,0 +1,50 @@
+<testcase>
+<info>
+<keywords>
+IMAP
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<servercmd>
+REPLY welcome * PREAUTH ready to serve already!
+REPLY CAPABILITY * CAPABILITY IMAP4REV1 I18NLEVEL=1 LITERAL+ IDLE UIDPLUS NAMESPACE CHILDREN MAILBOX-REFERRALS BINARY UNSELECT ESEARCH WITHIN SCAN SORT THREAD=REFERENCES THREAD=ORDEREDSUBJECT MULTIAPPEND SASL-IR LOGIN-REFERRALS STARTTLS LOGINDISABLED\r\nA001 OK CAPABILITY completed
+</servercmd>
+<data>
+From: me@somewhere
+To: fake@nowhere
+
+body
+
+--
+ yours sincerely
+</data>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+imap
+</server>
+ <name>
+IMAP PREAUTH response
+ </name>
+ <command>
+'imap://%HOSTIP:%IMAPPORT/846/;UID=1' -u notused:still-provided
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+A001 CAPABILITY
+A002 SELECT 846
+A003 FETCH 1 BODY[]
+A004 LOGOUT
+</protocol>
+</verify>
+</testcase>