+ err:
+ BIO_printf(bio_stdout, "ALPN results: client: '");
+ BIO_write(bio_stdout, client_proto, client_proto_len);
+ BIO_printf(bio_stdout, "', server: '");
+ BIO_write(bio_stdout, server_proto, server_proto_len);
+ BIO_printf(bio_stdout, "'\n");
+ BIO_printf(bio_stdout, "ALPN configured: client: '%s', server: '%s'\n",
+ alpn_client, alpn_server);
+ return -1;
+}
+
+#define SCT_EXT_TYPE 18
+
+/*
+ * WARNING : below extension types are *NOT* IETF assigned, and could
+ * conflict if these types are reassigned and handled specially by OpenSSL
+ * in the future
+ */
+#define TACK_EXT_TYPE 62208
+#define CUSTOM_EXT_TYPE_0 1000
+#define CUSTOM_EXT_TYPE_1 1001
+#define CUSTOM_EXT_TYPE_2 1002
+#define CUSTOM_EXT_TYPE_3 1003
+
+const char custom_ext_cli_string[] = "abc";
+const char custom_ext_srv_string[] = "defg";
+
+/* These set from cmdline */
+char *serverinfo_file = NULL;
+int serverinfo_sct = 0;
+int serverinfo_tack = 0;
+
+/* These set based on extension callbacks */
+int serverinfo_sct_seen = 0;
+int serverinfo_tack_seen = 0;
+int serverinfo_other_seen = 0;
+
+/* This set from cmdline */
+int custom_ext = 0;
+
+/* This set based on extension callbacks */
+int custom_ext_error = 0;
+
+static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in, size_t inlen,
+ int *al, void *arg)
+{
+ if (ext_type == SCT_EXT_TYPE)
+ serverinfo_sct_seen++;
+ else if (ext_type == TACK_EXT_TYPE)
+ serverinfo_tack_seen++;
+ else
+ serverinfo_other_seen++;
+ return 1;
+}
+
+static int verify_serverinfo()
+{
+ if (serverinfo_sct != serverinfo_sct_seen)
+ return -1;
+ if (serverinfo_tack != serverinfo_tack_seen)
+ return -1;
+ if (serverinfo_other_seen)
+ return -1;
+ return 0;
+}
+
+/*-
+ * Four test cases for custom extensions:
+ * 0 - no ClientHello extension or ServerHello response
+ * 1 - ClientHello with "abc", no response
+ * 2 - ClientHello with "abc", empty response
+ * 3 - ClientHello with "abc", "defg" response
+ */
+
+static int custom_ext_0_cli_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_0)
+ custom_ext_error = 1;
+ return 0; /* Don't send an extension */
+}
+
+static int custom_ext_0_cli_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ return 1;
+}
+
+static int custom_ext_1_cli_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_1)
+ custom_ext_error = 1;
+ *out = (const unsigned char *)custom_ext_cli_string;
+ *outlen = strlen(custom_ext_cli_string);
+ return 1; /* Send "abc" */
+}
+
+static int custom_ext_1_cli_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ return 1;
+}
+
+static int custom_ext_2_cli_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_2)
+ custom_ext_error = 1;
+ *out = (const unsigned char *)custom_ext_cli_string;
+ *outlen = strlen(custom_ext_cli_string);
+ return 1; /* Send "abc" */
+}
+
+static int custom_ext_2_cli_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_2)
+ custom_ext_error = 1;
+ if (inlen != 0)
+ custom_ext_error = 1; /* Should be empty response */
+ return 1;
+}
+
+static int custom_ext_3_cli_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_3)
+ custom_ext_error = 1;
+ *out = (const unsigned char *)custom_ext_cli_string;
+ *outlen = strlen(custom_ext_cli_string);
+ return 1; /* Send "abc" */
+}
+
+static int custom_ext_3_cli_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_3)
+ custom_ext_error = 1;
+ if (inlen != strlen(custom_ext_srv_string))
+ custom_ext_error = 1;
+ if (memcmp(custom_ext_srv_string, in, inlen) != 0)
+ custom_ext_error = 1; /* Check for "defg" */
+ return 1;
+}
+
+/*
+ * custom_ext_0_cli_add_cb returns 0 - the server won't receive a callback
+ * for this extension
+ */
+static int custom_ext_0_srv_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ custom_ext_error = 1;
+ return 1;
+}
+
+/* 'add' callbacks are only called if the 'parse' callback is called */
+static int custom_ext_0_srv_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ /* Error: should not have been called */
+ custom_ext_error = 1;
+ return 0; /* Don't send an extension */
+}
+
+static int custom_ext_1_srv_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_1)
+ custom_ext_error = 1;
+ /* Check for "abc" */
+ if (inlen != strlen(custom_ext_cli_string))
+ custom_ext_error = 1;
+ if (memcmp(in, custom_ext_cli_string, inlen) != 0)
+ custom_ext_error = 1;
+ return 1;
+}
+
+static int custom_ext_1_srv_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ return 0; /* Don't send an extension */
+}
+
+static int custom_ext_2_srv_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_2)
+ custom_ext_error = 1;
+ /* Check for "abc" */
+ if (inlen != strlen(custom_ext_cli_string))
+ custom_ext_error = 1;
+ if (memcmp(in, custom_ext_cli_string, inlen) != 0)
+ custom_ext_error = 1;
+ return 1;
+}
+
+static int custom_ext_2_srv_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ *out = NULL;
+ *outlen = 0;
+ return 1; /* Send empty extension */
+}
+
+static int custom_ext_3_srv_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in,
+ size_t inlen, int *al, void *arg)
+{
+ if (ext_type != CUSTOM_EXT_TYPE_3)
+ custom_ext_error = 1;
+ /* Check for "abc" */
+ if (inlen != strlen(custom_ext_cli_string))
+ custom_ext_error = 1;
+ if (memcmp(in, custom_ext_cli_string, inlen) != 0)
+ custom_ext_error = 1;
+ return 1;
+}
+
+static int custom_ext_3_srv_add_cb(SSL *s, unsigned int ext_type,
+ const unsigned char **out,
+ size_t *outlen, int *al, void *arg)
+{
+ *out = (const unsigned char *)custom_ext_srv_string;
+ *outlen = strlen(custom_ext_srv_string);
+ return 1; /* Send "defg" */
+}
+
+static char *cipher = NULL;
+static int verbose = 0;
+static int debug = 0;
+static const char rnd_seed[] =
+ "string to make the random number generator think it has entropy";
+
+int doit_biopair(SSL *s_ssl, SSL *c_ssl, long bytes, clock_t *s_time,
+ clock_t *c_time);
+int doit(SSL *s_ssl, SSL *c_ssl, long bytes);