+char *srtp_profiles = NULL;
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+/* This the context that we pass to next_proto_cb */
+typedef struct tlsextnextprotoctx_st {
+ unsigned char *data;
+ unsigned short len;
+ int status;
+} tlsextnextprotoctx;
+
+static tlsextnextprotoctx next_proto;
+
+static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen,
+ const unsigned char *in, unsigned int inlen,
+ void *arg)
+{
+ tlsextnextprotoctx *ctx = arg;
+
+ if (!c_quiet) {
+ /* We can assume that |in| is syntactically valid. */
+ unsigned i;
+ BIO_printf(bio_c_out, "Protocols advertised by server: ");
+ for (i = 0; i < inlen;) {
+ if (i)
+ BIO_write(bio_c_out, ", ", 2);
+ BIO_write(bio_c_out, &in[i + 1], in[i]);
+ i += in[i] + 1;
+ }
+ BIO_write(bio_c_out, "\n", 1);
+ }
+
+ ctx->status =
+ SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
+ return SSL_TLSEXT_ERR_OK;
+}
+#endif /* ndef OPENSSL_NO_NEXTPROTONEG */
+
+static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type,
+ const unsigned char *in, size_t inlen,
+ int *al, void *arg)
+{
+ char pem_name[100];
+ unsigned char ext_buf[4 + 65536];
+
+ /* Reconstruct the type/len fields prior to extension data */
+ ext_buf[0] = ext_type >> 8;
+ ext_buf[1] = ext_type & 0xFF;
+ ext_buf[2] = inlen >> 8;
+ ext_buf[3] = inlen & 0xFF;
+ memcpy(ext_buf + 4, in, inlen);
+
+ BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
+ ext_type);
+ PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
+ return 1;
+}
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_HOST, OPT_PORT, OPT_CONNECT, OPT_UNIX, OPT_XMPPHOST, OPT_VERIFY,
+ OPT_CERT, OPT_CRL, OPT_CRL_DOWNLOAD, OPT_SESS_OUT, OPT_SESS_IN,
+ OPT_CERTFORM, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET,
+ OPT_BRIEF, OPT_PREXIT, OPT_CRLF, OPT_QUIET, OPT_NBIO,
+ OPT_SSL_CLIENT_ENGINE, OPT_RAND, OPT_IGN_EOF, OPT_NO_IGN_EOF,
+ OPT_PAUSE, OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_WDEBUG,
+ OPT_MSG, OPT_MSGFILE, OPT_ENGINE, OPT_TRACE, OPT_SECURITY_DEBUG,
+ OPT_SECURITY_DEBUG_VERBOSE, OPT_SHOWCERTS, OPT_NBIO_TEST, OPT_STATE,
+ OPT_PSK_IDENTITY, OPT_PSK, OPT_SRPUSER, OPT_SRPPASS, OPT_SRP_STRENGTH,
+ OPT_SRP_LATEUSER, OPT_SRP_MOREGROUPS, OPT_SSL3,
+ OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1,
+ OPT_DTLS1_2, OPT_TIMEOUT, OPT_MTU, OPT_KEYFORM, OPT_PASS,
+ OPT_CERT_CHAIN, OPT_CAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH,
+ OPT_KEY, OPT_RECONNECT, OPT_BUILD_CHAIN, OPT_CAFILE,
+ OPT_CHAINCAFILE, OPT_VERIFYCAFILE, OPT_NEXTPROTONEG, OPT_ALPN,
+ OPT_SERVERINFO, OPT_STARTTLS, OPT_SERVERNAME, OPT_JPAKE,
+ OPT_USE_SRTP, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, OPT_SMTPHOST,
+ OPT_V_ENUM,
+ OPT_X_ENUM,
+ OPT_S_ENUM,
+ OPT_FALLBACKSCSV, OPT_NOCMDS, OPT_PROXY
+} OPTION_CHOICE;
+
+OPTIONS s_client_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"host", OPT_HOST, 's', "Use -connect instead"},
+ {"port", OPT_PORT, 'p', "Use -connect instead"},
+ {"connect", OPT_CONNECT, 's',
+ "TCP/IP where to connect (default is " SSL_HOST_NAME ":" PORT_STR ")"},
+ {"proxy", OPT_PROXY, 's',
+ "Connect to via specified proxy to the real server"},
+ {"unix", OPT_UNIX, 's', "Connect over unix domain sockets"},
+ {"verify", OPT_VERIFY, 'p', "Turn on peer certificate verification"},
+ {"cert", OPT_CERT, '<', "Certificate file to use, PEM format assumed"},
+ {"certform", OPT_CERTFORM, 'F',
+ "Certificate format (PEM or DER) PEM default"},
+ {"key", OPT_KEY, '<', "Private key file to use, if not in -cert file"},
+ {"keyform", OPT_KEYFORM, 'F', "Key format (PEM or DER) PEM default"},
+ {"pass", OPT_PASS, 's', "Private key file pass phrase source"},
+ {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"},
+ {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"},
+ {"reconnect", OPT_RECONNECT, '-',
+ "Drop and re-make the connection with the same Session-ID"},
+ {"pause", OPT_PAUSE, '-', "Sleep after each read and write system call"},
+ {"showcerts", OPT_SHOWCERTS, '-', "Show all certificates in the chain"},
+ {"debug", OPT_DEBUG, '-', "Extra output"},
+ {"msg", OPT_MSG, '-', "Show protocol messages"},
+ {"msgfile", OPT_MSGFILE, '>'},
+ {"nbio_test", OPT_NBIO_TEST, '-', "More ssl protocol testing"},
+ {"state", OPT_STATE, '-', "Print the ssl states"},
+ {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"},
+ {"quiet", OPT_QUIET, '-', "No s_client output"},
+ {"ign_eof", OPT_IGN_EOF, '-', "Ignore input eof (default when -quiet)"},
+ {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Don't ignore input eof"},
+#ifndef OPENSSL_NO_SSL3
+ {"ssl3", OPT_SSL3, '-', "Just use SSLv3"},
+#endif
+ {"tls1_2", OPT_TLS1_2, '-', "Just use TLSv1.2"},
+ {"tls1_1", OPT_TLS1_1, '-', "Just use TLSv1.1"},
+ {"tls1", OPT_TLS1, '-', "Just use TLSv1"},
+ {"dtls", OPT_DTLS, '-'},
+ {"dtls1", OPT_DTLS1, '-', "Just use DTLSv1"},
+ {"dtls1_2", OPT_DTLS1_2, '-'},
+ {"timeout", OPT_TIMEOUT, '-'},
+ {"mtu", OPT_MTU, 'p', "Set the link layer MTU"},
+ {"starttls", OPT_STARTTLS, 's',
+ "Use the STARTTLS command before starting TLS"},
+ {"xmpphost", OPT_XMPPHOST, 's', "Host to use with \"-starttls xmpp\""},
+ {"rand", OPT_RAND, 's',
+ "Load the file(s) into the random number generator"},
+ {"sess_out", OPT_SESS_OUT, '>', "File to write SSL session to"},
+ {"sess_in", OPT_SESS_IN, '<', "File to read SSL session from"},
+ {"use_srtp", OPT_USE_SRTP, '<',
+ "Offer SRTP key management with a colon-separated profile list"},
+ {"keymatexport", OPT_KEYMATEXPORT, 's',
+ "Export keying material using label"},
+ {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p',
+ "Export len bytes of keying material (default 20)"},
+ {"fallback_scsv", OPT_FALLBACKSCSV, '-', "Send the fallback SCSV"},