tests: Added POP3 SASL downgrade tests

tests/data/Makefile.am

@@ -71,7 +71,7 @@ test827 test828 test829 test830 test831 test832 test833 test834 test835 \
 test850 test851 test852 test853 test854 test855 test856 test857 test858 \
 test859 test860 test861 test862 test863 test864 test865 test866 test867 \
 test868 test869 test870 test871 test872 test873 test874 test875 test876 \
-test877 test878 \
+test877 test878 test879 test880 test881 \
 \
 test900 test901 test902 test903 test904 test905 test906 test907 test908 \
 test909 test910 test911 test912 test913 test914 test915 test916 test917 \

tests/data/test879

@@ -0,0 +1,63 @@
+<testcase>
+<info>
+<keywords>
+POP3
+POP3 AUTH CRAM-MD5 SASL DOWNGRADE
+RFC1734
+RFC2195
+RFC5034
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<servercmd>
+AUTH CRAM-MD5 PLAIN
+REPLY "AUTH CRAM-MD5" + Rubbish
+REPLY * -ERR AUTH exchange cancelled by client
+REPLY "AUTH PLAIN" +
+REPLY dXNlcgB1c2VyAHNlY3JldA== +OK Login successful
+</servercmd>
+<data>
+From: me@somewhere
+To: fake@nowhere
+
+body
+
+--
+  yours sincerely
+</data>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+pop3
+</server>
+<features>
+crypto
+</features>
+ <name>
+POP3 CRAM-MD5 authentication with SASL downgrade
+ </name>
+ <command>
+pop3://%HOSTIP:%POP3PORT/879 -u user:secret
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+CAPA
+AUTH CRAM-MD5
+*
+AUTH PLAIN
+dXNlcgB1c2VyAHNlY3JldA==
+RETR 879
+QUIT
+</protocol>
+</verify>
+</testcase>

tests/data/test880

@@ -0,0 +1,73 @@
+<testcase>
+<info>
+<keywords>
+POP3
+POP3 AUTH NTLM SASL DOWNGRADE
+RFC1734
+RFC5034
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<servercmd>
+AUTH NTLM PLAIN
+REPLY "AUTH NTLM" +
+REPLY TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA= + Rubbish
+REPLY * -ERR AUTH exchange cancelled by client
+REPLY "AUTH PLAIN" +
+REPLY dXNlcgB1c2VyAHNlY3JldA== +OK Login successful
+</servercmd>
+<data>
+From: me@somewhere
+To: fake@nowhere
+
+body
+
+--
+  yours sincerely
+</data>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+pop3
+</server>
+<features>
+NTLM
+</features>
+ <name>
+POP3 NTLM authentication with SASL downgrade
+ </name>
+ <setenv>
+# we force our own host name, in order to make the test machine independent
+CURL_GETHOSTNAME=curlhost
+# we try to use the LD_PRELOAD hack, if not a debug build
+LD_PRELOAD=%PWD/libtest/.libs/libhostname.so
+ </setenv>
+ <command>
+pop3://%HOSTIP:%POP3PORT/880 -u user:secret
+</command>
+<precheck>
+chkhostname curlhost
+</precheck>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+CAPA
+AUTH NTLM
+TlRMTVNTUAABAAAABoIIAAAAAAAAAAAAAAAAAAAAAAA=
+*
+AUTH PLAIN
+dXNlcgB1c2VyAHNlY3JldA==
+RETR 880
+QUIT
+</protocol>
+</verify>
+</testcase>

tests/data/test881

@@ -0,0 +1,64 @@
+<testcase>
+<info>
+<keywords>
+POP3
+POP3 AUTH DIGEST-MD5 SASL DOWNGRADE
+RFC1734
+RFC2831
+RFC5034
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<servercmd>
+AUTH DIGEST-MD5 PLAIN
+REPLY "AUTH DIGEST-MD5" + Rubbish
+REPLY * -ERR AUTH exchange cancelled by client
+REPLY "AUTH PLAIN" +
+REPLY dXNlcgB1c2VyAHNlY3JldA== +OK Login successful
+</servercmd>
+<data>
+From: me@somewhere
+To: fake@nowhere
+
+body
+
+--
+  yours sincerely
+</data>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+pop3
+</server>
+<features>
+debug
+crypto
+</features>
+ <name>
+POP3 DIGEST-MD5 authentication with SASL downgrade
+ </name>
+ <command>
+pop3://%HOSTIP:%POP3PORT/881 -u user:secret
+</command>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<protocol>
+CAPA
+AUTH DIGEST-MD5
+*
+AUTH PLAIN
+dXNlcgB1c2VyAHNlY3JldA==
+RETR 881
+QUIT
+</protocol>
+</verify>
+</testcase>