commit 8f85aa6bd3737547634bbbe1e141f728674fb594
author Robert Scheck <robert@fedoraproject.org> Sat Jan 28 00:52:27 2017 +0100
committer Rich Salz <rsalz@openssl.org> Fri Feb 03 09:49:54 2017 -0500
tree 8b3b00f071c4940a97e4a8e370e82758978451f4
parent bc1dba209533f2033a4de0d93380fc0f485e6f7e

Add NNTP support (RFC 4642) to s_client ("-starttls nntp")

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2310)

apps/s_client.c

diff --git a/apps/s_client.c b/apps/s_client.c
index 99770b9..d9dbe70 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -746,7 +746,8 @@
     PROTO_CONNECT,
     PROTO_IRC,
     PROTO_POSTGRES,
-    PROTO_LMTP
+    PROTO_LMTP,
+    PROTO_NNTP
 } PROTOCOL_CHOICE;
 
 static const OPT_PAIR services[] = {
@@ -760,6 +761,7 @@
     {"irc", PROTO_IRC},
     {"postgres", PROTO_POSTGRES},
     {"lmtp", PROTO_LMTP},
+    {"nntp", PROTO_NNTP},
     {NULL, 0}
 };
 
@@ -2172,6 +2174,33 @@
                 goto shut;
         }
         break;
+    case PROTO_NNTP:
+        {
+            int foundit = 0;
+            BIO *fbio = BIO_new(BIO_f_buffer());
+
+            BIO_push(fbio, sbio);
+            BIO_gets(fbio, mbuf, BUFSIZZ);
+            /* STARTTLS command requires CAPABILITIES... */
+            BIO_printf(fbio, "CAPABILITIES\r\n");
+            (void)BIO_flush(fbio);
+            /* wait for multi-line CAPABILITIES response */
+            do {
+                mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ);
+                if (strstr(mbuf, "STARTTLS"))
+                    foundit = 1;
+            } while (mbuf_len > 1 && mbuf[0] != '.');
+            (void)BIO_flush(fbio);
+            BIO_pop(fbio);
+            BIO_free(fbio);
+            if (!foundit)
+                BIO_printf(bio_err,
+                           "Didn't find STARTTLS in server response,"
+                           " trying anyway...\n");
+            BIO_printf(sbio, "STARTTLS\r\n");
+            BIO_read(sbio, sbuf, BUFSIZZ);
+        }
+        break;
     }
 
     for (;;) {