Add m-esr52 at 52.6.0

1 files changed, 1900 insertions, 0 deletions

diff --git a/security/nss/cmd/tstclnt/tstclnt.c b/security/nss/cmd/tstclnt/tstclnt.c
new file mode 100644
index 000000000..eb114e935
--- /dev/null
+++ b/security/nss/cmd/tstclnt/tstclnt.c
@@ -0,0 +1,1900 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+**
+** Sample client side test program that uses SSL and NSS
+**
+*/
+
+#include "secutil.h"
+#include "basicutil.h"
+
+#if defined(XP_UNIX)
+#include <unistd.h>
+#else
+#include <ctype.h> /* for isalpha() */
+#endif
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+
+#include "nspr.h"
+#include "prio.h"
+#include "prnetdb.h"
+#include "nss.h"
+#include "ocsp.h"
+#include "ssl.h"
+#include "sslproto.h"
+#include "pk11func.h"
+#include "secmod.h"
+#include "plgetopt.h"
+#include "plstr.h"
+
+#if defined(WIN32)
+#include <fcntl.h>
+#include <io.h>
+#endif
+
+#define PRINTF   \
+    if (verbose) \
+    printf
+#define FPRINTF  \
+    if (verbose) \
+    fprintf
+
+#define MAX_WAIT_FOR_SERVER 600
+#define WAIT_INTERVAL 100
+
+#define EXIT_CODE_HANDSHAKE_FAILED 254
+
+#define EXIT_CODE_SIDECHANNELTEST_GOOD 0
+#define EXIT_CODE_SIDECHANNELTEST_BADCERT 1
+#define EXIT_CODE_SIDECHANNELTEST_NODATA 2
+#define EXIT_CODE_SIDECHANNELTEST_REVOKED 3
+
+PRIntervalTime maxInterval = PR_INTERVAL_NO_TIMEOUT;
+
+int ssl3CipherSuites[] = {
+    -1,                                /* SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA* a */
+    -1,                                /* SSL_FORTEZZA_DMS_WITH_RC4_128_SHA     * b */
+    TLS_RSA_WITH_RC4_128_MD5,          /* c */
+    TLS_RSA_WITH_3DES_EDE_CBC_SHA,     /* d */
+    TLS_RSA_WITH_DES_CBC_SHA,          /* e */
+    -1,                                /* TLS_RSA_EXPORT_WITH_RC4_40_MD5        * f */
+    -1,                                /* TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5    * g */
+    -1,                                /* SSL_FORTEZZA_DMS_WITH_NULL_SHA        * h */
+    TLS_RSA_WITH_NULL_MD5,             /* i */
+    -1,                                /* SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA    * j */
+    -1,                                /* SSL_RSA_FIPS_WITH_DES_CBC_SHA         * k */
+    -1,                                /* TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA   * l */
+    -1,                                /* TLS_RSA_EXPORT1024_WITH_RC4_56_SHA    * m */
+    TLS_RSA_WITH_RC4_128_SHA,          /* n */
+    TLS_DHE_DSS_WITH_RC4_128_SHA,      /* o */
+    TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA, /* p */
+    TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA, /* q */
+    TLS_DHE_RSA_WITH_DES_CBC_SHA,      /* r */
+    TLS_DHE_DSS_WITH_DES_CBC_SHA,      /* s */
+    TLS_DHE_DSS_WITH_AES_128_CBC_SHA,  /* t */
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA,  /* u */
+    TLS_RSA_WITH_AES_128_CBC_SHA,      /* v */
+    TLS_DHE_DSS_WITH_AES_256_CBC_SHA,  /* w */
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA,  /* x */
+    TLS_RSA_WITH_AES_256_CBC_SHA,      /* y */
+    TLS_RSA_WITH_NULL_SHA,             /* z */
+    0
+};
+
+unsigned long __cmp_umuls;
+PRBool verbose;
+int dumpServerChain = 0;
+int renegotiationsToDo = 0;
+int renegotiationsDone = 0;
+
+static char *progName;
+
+secuPWData pwdata = { PW_NONE, 0 };
+
+SSLNamedGroup *enabledGroups = NULL;
+unsigned int enabledGroupsCount = 0;
+
+void
+printSecurityInfo(PRFileDesc *fd)
+{
+    CERTCertificate *cert;
+    const SECItemArray *csa;
+    const SECItem *scts;
+    SSL3Statistics *ssl3stats = SSL_GetStatistics();
+    SECStatus result;
+    SSLChannelInfo channel;
+    SSLCipherSuiteInfo suite;
+
+    result = SSL_GetChannelInfo(fd, &channel, sizeof channel);
+    if (result == SECSuccess &&
+        channel.length == sizeof channel &&
+        channel.cipherSuite) {
+        result = SSL_GetCipherSuiteInfo(channel.cipherSuite,
+                                        &suite, sizeof suite);
+        if (result == SECSuccess) {
+            FPRINTF(stderr,
+                    "tstclnt: SSL version %d.%d using %d-bit %s with %d-bit %s MAC\n",
+                    channel.protocolVersion >> 8, channel.protocolVersion & 0xff,
+                    suite.effectiveKeyBits, suite.symCipherName,
+                    suite.macBits, suite.macAlgorithmName);
+            FPRINTF(stderr,
+                    "tstclnt: Server Auth: %d-bit %s, Key Exchange: %d-bit %s\n"
+                    "         Compression: %s, Extended Master Secret: %s\n",
+                    channel.authKeyBits, suite.authAlgorithmName,
+                    channel.keaKeyBits, suite.keaTypeName,
+                    channel.compressionMethodName,
+                    channel.extendedMasterSecretUsed ? "Yes" : "No");
+        }
+    }
+    cert = SSL_RevealCert(fd);
+    if (cert) {
+        char *ip = CERT_NameToAscii(&cert->issuer);
+        char *sp = CERT_NameToAscii(&cert->subject);
+        if (sp) {
+            fprintf(stderr, "subject DN: %s\n", sp);
+            PORT_Free(sp);
+        }
+        if (ip) {
+            fprintf(stderr, "issuer  DN: %s\n", ip);
+            PORT_Free(ip);
+        }
+        CERT_DestroyCertificate(cert);
+        cert = NULL;
+    }
+    fprintf(stderr,
+            "%ld cache hits; %ld cache misses, %ld cache not reusable\n"
+            "%ld stateless resumes\n",
+            ssl3stats->hsh_sid_cache_hits, ssl3stats->hsh_sid_cache_misses,
+            ssl3stats->hsh_sid_cache_not_ok, ssl3stats->hsh_sid_stateless_resumes);
+
+    csa = SSL_PeerStapledOCSPResponses(fd);
+    if (csa) {
+        fprintf(stderr, "Received %d Cert Status items (OCSP stapled data)\n",
+                csa->len);
+    }
+    scts = SSL_PeerSignedCertTimestamps(fd);
+    if (scts && scts->len) {
+        fprintf(stderr, "Received a Signed Certificate Timestamp of length"
+                        " %u\n",
+                scts->len);
+    }
+}
+
+void
+handshakeCallback(PRFileDesc *fd, void *client_data)
+{
+    const char *secondHandshakeName = (char *)client_data;
+    if (secondHandshakeName) {
+        SSL_SetURL(fd, secondHandshakeName);
+    }
+    printSecurityInfo(fd);
+    if (renegotiationsDone < renegotiationsToDo) {
+        SSL_ReHandshake(fd, (renegotiationsToDo < 2));
+        ++renegotiationsDone;
+    }
+}
+
+static void
+PrintUsageHeader(const char *progName)
+{
+    fprintf(stderr,
+            "Usage:  %s -h host [-a 1st_hs_name ] [-a 2nd_hs_name ] [-p port]\n"
+            "[-D | -d certdir] [-C] [-b | -R root-module] \n"
+            "[-n nickname] [-Bafosvx] [-c ciphers] [-Y] [-Z]\n"
+            "[-V [min-version]:[max-version]] [-K] [-T] [-U]\n"
+            "[-r N] [-w passwd] [-W pwfile] [-q [-t seconds]] [-I groups]\n"
+            "[-A requestfile] [-L totalconnections]",
+            progName);
+}
+
+static void
+PrintParameterUsage(void)
+{
+    fprintf(stderr, "%-20s Send different SNI name. 1st_hs_name - at first\n"
+                    "%-20s handshake, 2nd_hs_name - at second handshake.\n"
+                    "%-20s Default is host from the -h argument.\n",
+            "-a name",
+            "", "");
+    fprintf(stderr, "%-20s Hostname to connect with\n", "-h host");
+    fprintf(stderr, "%-20s Port number for SSL server\n", "-p port");
+    fprintf(stderr,
+            "%-20s Directory with cert database (default is ~/.netscape)\n",
+            "-d certdir");
+    fprintf(stderr, "%-20s Run without a cert database\n", "-D");
+    fprintf(stderr, "%-20s Load the default \"builtins\" root CA module\n", "-b");
+    fprintf(stderr, "%-20s Load the given root CA module\n", "-R");
+    fprintf(stderr, "%-20s Print certificate chain information\n", "-C");
+    fprintf(stderr, "%-20s (use -C twice to print more certificate details)\n", "");
+    fprintf(stderr, "%-20s (use -C three times to include PEM format certificate dumps)\n", "");
+    fprintf(stderr, "%-20s Nickname of key and cert for client auth\n",
+            "-n nickname");
+    fprintf(stderr,
+            "%-20s Restricts the set of enabled SSL/TLS protocols versions.\n"
+            "%-20s All versions are enabled by default.\n"
+            "%-20s Possible values for min/max: ssl3 tls1.0 tls1.1 tls1.2 tls1.3\n"
+            "%-20s Example: \"-V ssl3:\" enables SSL 3 and newer.\n",
+            "-V [min]:[max]", "", "", "");
+    fprintf(stderr, "%-20s Send TLS_FALLBACK_SCSV\n", "-K");
+    fprintf(stderr, "%-20s Prints only payload data. Skips HTTP header.\n", "-S");
+    fprintf(stderr, "%-20s Client speaks first. \n", "-f");
+    fprintf(stderr, "%-20s Use synchronous certificate validation\n", "-O");
+    fprintf(stderr, "%-20s Override bad server cert. Make it OK.\n", "-o");
+    fprintf(stderr, "%-20s Disable SSL socket locking.\n", "-s");
+    fprintf(stderr, "%-20s Verbose progress reporting.\n", "-v");
+    fprintf(stderr, "%-20s Ping the server and then exit.\n", "-q");
+    fprintf(stderr, "%-20s Timeout for server ping (default: no timeout).\n", "-t seconds");
+    fprintf(stderr, "%-20s Renegotiate N times (resuming session if N>1).\n", "-r N");
+    fprintf(stderr, "%-20s Enable the session ticket extension.\n", "-u");
+    fprintf(stderr, "%-20s Enable compression.\n", "-z");
+    fprintf(stderr, "%-20s Enable false start.\n", "-g");
+    fprintf(stderr, "%-20s Enable the cert_status extension (OCSP stapling).\n", "-T");
+    fprintf(stderr, "%-20s Enable the signed_certificate_timestamp extension.\n", "-U");
+    fprintf(stderr, "%-20s Require fresh revocation info from side channel.\n"
+                    "%-20s -F once means: require for server cert only\n"
+                    "%-20s -F twice means: require for intermediates, too\n"
+                    "%-20s (Connect, handshake with server, disable dynamic download\n"
+                    "%-20s  of OCSP/CRL, verify cert using CERT_PKIXVerifyCert.)\n"
+                    "%-20s Exit code:\n"
+                    "%-20s 0: have fresh and valid revocation data, status good\n"
+                    "%-20s 1: cert failed to verify, prior to revocation checking\n"
+                    "%-20s 2: missing, old or invalid revocation data\n"
+                    "%-20s 3: have fresh and valid revocation data, status revoked\n",
+            "-F", "", "", "", "", "", "", "", "", "");
+    fprintf(stderr, "%-20s Test -F allows 0=any (default), 1=only OCSP, 2=only CRL\n", "-M");
+    fprintf(stderr, "%-20s Restrict ciphers\n", "-c ciphers");
+    fprintf(stderr, "%-20s Print cipher values allowed for parameter -c and exit\n", "-Y");
+    fprintf(stderr, "%-20s Enforce using an IPv4 destination address\n", "-4");
+    fprintf(stderr, "%-20s Enforce using an IPv6 destination address\n", "-6");
+    fprintf(stderr, "%-20s (Options -4 and -6 cannot be combined.)\n", "");
+    fprintf(stderr, "%-20s Enable the extended master secret extension [RFC7627]\n", "-G");
+    fprintf(stderr, "%-20s Require the use of FFDHE supported groups "
+                    "[I-D.ietf-tls-negotiated-ff-dhe]\n",
+            "-H");
+    fprintf(stderr, "%-20s Read from a file instead of stdin\n", "-A");
+    fprintf(stderr, "%-20s Allow 0-RTT data (TLS 1.3 only)\n", "-Z");
+    fprintf(stderr, "%-20s Disconnect and reconnect up to N times total\n", "-L");
+    fprintf(stderr, "%-20s Comma separated list of enabled groups for TLS key exchange.\n"
+                    "%-20s The following values are valid:\n"
+                    "%-20s P256, P384, P521, x25519, FF2048, FF3072, FF4096, FF6144, FF8192\n",
+            "-I", "", "");
+}
+
+static void
+Usage(const char *progName)
+{
+    PrintUsageHeader(progName);
+    PrintParameterUsage();
+    exit(1);
+}
+
+static void
+PrintCipherUsage(const char *progName)
+{
+    PrintUsageHeader(progName);
+    fprintf(stderr, "%-20s Letter(s) chosen from the following list\n",
+            "-c ciphers");
+    fprintf(stderr,
+            "c    SSL3 RSA WITH RC4 128 MD5\n"
+            "d    SSL3 RSA WITH 3DES EDE CBC SHA\n"
+            "e    SSL3 RSA WITH DES CBC SHA\n"
+            "i    SSL3 RSA WITH NULL MD5\n"
+            "n    SSL3 RSA WITH RC4 128 SHA\n"
+            "o    SSL3 DHE DSS WITH RC4 128 SHA\n"
+            "p    SSL3 DHE RSA WITH 3DES EDE CBC SHA\n"
+            "q    SSL3 DHE DSS WITH 3DES EDE CBC SHA\n"
+            "r    SSL3 DHE RSA WITH DES CBC SHA\n"
+            "s    SSL3 DHE DSS WITH DES CBC SHA\n"
+            "t    SSL3 DHE DSS WITH AES 128 CBC SHA\n"
+            "u    SSL3 DHE RSA WITH AES 128 CBC SHA\n"
+            "v    SSL3 RSA WITH AES 128 CBC SHA\n"
+            "w    SSL3 DHE DSS WITH AES 256 CBC SHA\n"
+            "x    SSL3 DHE RSA WITH AES 256 CBC SHA\n"
+            "y    SSL3 RSA WITH AES 256 CBC SHA\n"
+            "z    SSL3 RSA WITH NULL SHA\n"
+            "\n"
+            ":WXYZ  Use cipher with hex code { 0xWX , 0xYZ } in TLS\n");
+    exit(1);
+}
+
+void
+milliPause(PRUint32 milli)
+{
+    PRIntervalTime ticks = PR_MillisecondsToInterval(milli);
+    PR_Sleep(ticks);
+}
+
+void
+disableAllSSLCiphers(void)
+{
+    const PRUint16 *cipherSuites = SSL_GetImplementedCiphers();
+    int i = SSL_GetNumImplementedCiphers();
+    SECStatus rv;
+
+    /* disable all the SSL3 cipher suites */
+    while (--i >= 0) {
+        PRUint16 suite = cipherSuites[i];
+        rv = SSL_CipherPrefSetDefault(suite, PR_FALSE);
+        if (rv != SECSuccess) {
+            PRErrorCode err = PR_GetError();
+            fprintf(stderr,
+                    "SSL_CipherPrefSet didn't like value 0x%04x (i = %d): %s\n",
+                    suite, i, SECU_Strerror(err));
+            exit(2);
+        }
+    }
+}
+
+typedef struct
+{
+    PRBool shouldPause; /* PR_TRUE if we should use asynchronous peer cert
+                        * authentication */
+    PRBool isPaused;    /* PR_TRUE if libssl is waiting for us to validate the
+                        * peer's certificate and restart the handshake. */
+    void *dbHandle;     /* Certificate database handle to use while
+                        * authenticating the peer's certificate. */
+    PRBool testFreshStatusFromSideChannel;
+    PRErrorCode sideChannelRevocationTestResultCode;
+    PRBool requireDataForIntermediates;
+    PRBool allowOCSPSideChannelData;
+    PRBool allowCRLSideChannelData;
+} ServerCertAuth;
+
+/*
+ * Callback is called when incoming certificate is not valid.
+ * Returns SECSuccess to accept the cert anyway, SECFailure to reject.
+ */
+static SECStatus
+ownBadCertHandler(void *arg, PRFileDesc *socket)
+{
+    PRErrorCode err = PR_GetError();
+    /* can log invalid cert here */
+    fprintf(stderr, "Bad server certificate: %d, %s\n", err,
+            SECU_Strerror(err));
+    return SECSuccess; /* override, say it's OK. */
+}
+
+#define EXIT_CODE_SIDECHANNELTEST_GOOD 0
+#define EXIT_CODE_SIDECHANNELTEST_BADCERT 1
+#define EXIT_CODE_SIDECHANNELTEST_NODATA 2
+#define EXIT_CODE_SIDECHANNELTEST_REVOKED 3
+
+static void
+verifyFromSideChannel(CERTCertificate *cert, ServerCertAuth *sca)
+{
+    PRUint64 revDoNotUse =
+        CERT_REV_M_DO_NOT_TEST_USING_THIS_METHOD;
+
+    PRUint64 revUseLocalOnlyAndSoftFail =
+        CERT_REV_M_TEST_USING_THIS_METHOD |
+        CERT_REV_M_FORBID_NETWORK_FETCHING |
+        CERT_REV_M_REQUIRE_INFO_ON_MISSING_SOURCE |
+        CERT_REV_M_IGNORE_MISSING_FRESH_INFO |
+        CERT_REV_M_STOP_TESTING_ON_FRESH_INFO;
+
+    PRUint64 revUseLocalOnlyAndHardFail =
+        CERT_REV_M_TEST_USING_THIS_METHOD |
+        CERT_REV_M_FORBID_NETWORK_FETCHING |
+        CERT_REV_M_REQUIRE_INFO_ON_MISSING_SOURCE |
+        CERT_REV_M_FAIL_ON_MISSING_FRESH_INFO |
+        CERT_REV_M_STOP_TESTING_ON_FRESH_INFO;
+
+    PRUint64 methodFlagsDoNotUse[2];
+    PRUint64 methodFlagsCheckSoftFail[2];
+    PRUint64 methodFlagsCheckHardFail[2];
+    CERTRevocationTests revTestsDoNotCheck;
+    CERTRevocationTests revTestsOverallSoftFail;
+    CERTRevocationTests revTestsOverallHardFail;
+    CERTRevocationFlags rev;
+    CERTValInParam cvin[2];
+    CERTValOutParam cvout[1];
+    SECStatus rv;
+
+    methodFlagsDoNotUse[cert_revocation_method_crl] = revDoNotUse;
+    methodFlagsDoNotUse[cert_revocation_method_ocsp] = revDoNotUse;
+
+    methodFlagsCheckSoftFail[cert_revocation_method_crl] =
+        sca->allowCRLSideChannelData ? revUseLocalOnlyAndSoftFail : revDoNotUse;
+    methodFlagsCheckSoftFail[cert_revocation_method_ocsp] =
+        sca->allowOCSPSideChannelData ? revUseLocalOnlyAndSoftFail : revDoNotUse;
+
+    methodFlagsCheckHardFail[cert_revocation_method_crl] =
+        sca->allowCRLSideChannelData ? revUseLocalOnlyAndHardFail : revDoNotUse;
+    methodFlagsCheckHardFail[cert_revocation_method_ocsp] =
+        sca->allowOCSPSideChannelData ? revUseLocalOnlyAndHardFail : revDoNotUse;
+
+    revTestsDoNotCheck.cert_rev_flags_per_method = methodFlagsDoNotUse;
+    revTestsDoNotCheck.number_of_defined_methods = 2;
+    revTestsDoNotCheck.number_of_preferred_methods = 0;
+    revTestsDoNotCheck.cert_rev_method_independent_flags =
+        CERT_REV_MI_TEST_ALL_LOCAL_INFORMATION_FIRST |
+        CERT_REV_MI_NO_OVERALL_INFO_REQUIREMENT;
+
+    revTestsOverallSoftFail.cert_rev_flags_per_method = 0; /* must define later */
+    revTestsOverallSoftFail.number_of_defined_methods = 2;
+    revTestsOverallSoftFail.number_of_preferred_methods = 0;
+    revTestsOverallSoftFail.cert_rev_method_independent_flags =
+        CERT_REV_MI_TEST_ALL_LOCAL_INFORMATION_FIRST |
+        CERT_REV_MI_NO_OVERALL_INFO_REQUIREMENT;
+
+    revTestsOverallHardFail.cert_rev_flags_per_method = 0; /* must define later */
+    revTestsOverallHardFail.number_of_defined_methods = 2;
+    revTestsOverallHardFail.number_of_preferred_methods = 0;
+    revTestsOverallHardFail.cert_rev_method_independent_flags =
+        CERT_REV_MI_TEST_ALL_LOCAL_INFORMATION_FIRST |
+        CERT_REV_MI_REQUIRE_SOME_FRESH_INFO_AVAILABLE;
+
+    rev.chainTests = revTestsDoNotCheck;
+    rev.leafTests = revTestsDoNotCheck;
+
+    cvin[0].type = cert_pi_revocationFlags;
+    cvin[0].value.pointer.revocation = &rev;
+    cvin[1].type = cert_pi_end;
+
+    cvout[0].type = cert_po_end;
+
+    /* Strategy:
+     *
+     * Verify with revocation checking disabled.
+     * On failure return 1.
+     *
+     * if result if "good", then continue testing.
+     *
+     * Verify with CERT_REV_M_FAIL_ON_MISSING_FRESH_INFO.
+     * If result is good, return 0.
+     *
+     * On failure continue testing, find out why it failed.
+     *
+     * Verify with CERT_REV_M_IGNORE_MISSING_FRESH_INFO
+     *
+     * If result is "good", then our previous test failed,
+     * because we don't have fresh revocation info, return 2.
+     *
+     * If result is still bad, we do have revocation info,
+     * and it says "revoked" or something equivalent, return 3.
+     */
+
+    /* revocation checking disabled */
+    rv = CERT_PKIXVerifyCert(cert, certificateUsageSSLServer,
+                             cvin, cvout, NULL);
+    if (rv != SECSuccess) {
+        sca->sideChannelRevocationTestResultCode =
+            EXIT_CODE_SIDECHANNELTEST_BADCERT;
+        return;
+    }
+
+    /* revocation checking, hard fail */
+    if (sca->allowOCSPSideChannelData && sca->allowCRLSideChannelData) {
+        /* any method is allowed. use soft fail on individual checks,
+         * but use hard fail on the overall check
+         */
+        revTestsOverallHardFail.cert_rev_flags_per_method = methodFlagsCheckSoftFail;
+    } else {
+        /* only one method is allowed. use hard fail on the individual checks.
+         * hard/soft fail is irrelevant on overall flags.
+         */
+        revTestsOverallHardFail.cert_rev_flags_per_method = methodFlagsCheckHardFail;
+    }
+    rev.leafTests = revTestsOverallHardFail;
+    rev.chainTests =
+        sca->requireDataForIntermediates ? revTestsOverallHardFail : revTestsDoNotCheck;
+    rv = CERT_PKIXVerifyCert(cert, certificateUsageSSLServer,
+                             cvin, cvout, NULL);
+    if (rv == SECSuccess) {
+        sca->sideChannelRevocationTestResultCode =
+            EXIT_CODE_SIDECHANNELTEST_GOOD;
+        return;
+    }
+
+    /* revocation checking, soft fail */
+    revTestsOverallSoftFail.cert_rev_flags_per_method = methodFlagsCheckSoftFail;
+    rev.leafTests = revTestsOverallSoftFail;
+    rev.chainTests =
+        sca->requireDataForIntermediates ? revTestsOverallSoftFail : revTestsDoNotCheck;
+    rv = CERT_PKIXVerifyCert(cert, certificateUsageSSLServer,
+                             cvin, cvout, NULL);
+    if (rv == SECSuccess) {
+        sca->sideChannelRevocationTestResultCode =
+            EXIT_CODE_SIDECHANNELTEST_NODATA;
+        return;
+    }
+
+    sca->sideChannelRevocationTestResultCode =
+        EXIT_CODE_SIDECHANNELTEST_REVOKED;
+}
+
+static void
+dumpCertificatePEM(CERTCertificate *cert)
+{
+    SECItem data;
+    data.data = cert->derCert.data;
+    data.len = cert->derCert.len;
+    fprintf(stderr, "%s\n%s\n%s\n", NS_CERT_HEADER,
+            BTOA_DataToAscii(data.data, data.len), NS_CERT_TRAILER);
+}
+
+static void
+dumpServerCertificateChain(PRFileDesc *fd)
+{
+    CERTCertList *peerCertChain = NULL;
+    CERTCertListNode *node = NULL;
+    CERTCertificate *peerCert = NULL;
+    CERTCertificateList *foundChain = NULL;
+    SECU_PPFunc dumpFunction = NULL;
+    PRBool dumpCertPEM = PR_FALSE;
+
+    if (!dumpServerChain) {
+        return;
+    } else if (dumpServerChain == 1) {
+        dumpFunction = (SECU_PPFunc)SECU_PrintCertificateBasicInfo;
+    } else {
+        dumpFunction = (SECU_PPFunc)SECU_PrintCertificate;
+        if (dumpServerChain > 2) {
+            dumpCertPEM = PR_TRUE;
+        }
+    }
+
+    SECU_EnableWrap(PR_FALSE);
+
+    fprintf(stderr, "==== certificate(s) sent by server: ====\n");
+    peerCertChain = SSL_PeerCertificateChain(fd);
+    if (peerCertChain) {
+        node = CERT_LIST_HEAD(peerCertChain);
+        while (!CERT_LIST_END(node, peerCertChain)) {
+            CERTCertificate *cert = node->cert;
+            SECU_PrintSignedContent(stderr, &cert->derCert, "Certificate", 0,
+                                    dumpFunction);
+            if (dumpCertPEM) {
+                dumpCertificatePEM(cert);
+            }
+            node = CERT_LIST_NEXT(node);
+        }
+    }
+
+    if (peerCertChain) {
+        peerCert = SSL_RevealCert(fd);
+        if (peerCert) {
+            foundChain = CERT_CertChainFromCert(peerCert, certificateUsageSSLServer,
+                                                PR_TRUE);
+        }
+        if (foundChain) {
+            unsigned int count = 0;
+            fprintf(stderr, "==== locally found issuer certificate(s): ====\n");
+            for (count = 0; count < (unsigned int)foundChain->len; count++) {
+                CERTCertificate *c;
+                PRBool wasSentByServer = PR_FALSE;
+                c = CERT_FindCertByDERCert(CERT_GetDefaultCertDB(), &foundChain->certs[count]);
+
+                node = CERT_LIST_HEAD(peerCertChain);
+                while (!CERT_LIST_END(node, peerCertChain)) {
+                    CERTCertificate *cert = node->cert;
+                    if (CERT_CompareCerts(cert, c)) {
+                        wasSentByServer = PR_TRUE;
+                        break;
+                    }
+                    node = CERT_LIST_NEXT(node);
+                }
+
+                if (!wasSentByServer) {
+                    SECU_PrintSignedContent(stderr, &c->derCert, "Certificate", 0,
+                                            dumpFunction);
+                    if (dumpCertPEM) {
+                        dumpCertificatePEM(c);
+                    }
+                }
+                CERT_DestroyCertificate(c);
+            }
+            CERT_DestroyCertificateList(foundChain);
+        }
+        if (peerCert) {
+            CERT_DestroyCertificate(peerCert);
+        }
+
+        CERT_DestroyCertList(peerCertChain);
+        peerCertChain = NULL;
+    }
+
+    fprintf(stderr, "==== end of certificate chain information ====\n");
+    fflush(stderr);
+}
+
+static SECStatus
+ownAuthCertificate(void *arg, PRFileDesc *fd, PRBool checkSig,
+                   PRBool isServer)
+{
+    ServerCertAuth *serverCertAuth = (ServerCertAuth *)arg;
+
+    if (dumpServerChain) {
+        dumpServerCertificateChain(fd);
+    }
+
+    if (!serverCertAuth->shouldPause) {
+        CERTCertificate *cert;
+        unsigned int i;
+        const SECItemArray *csa;
+
+        if (!serverCertAuth->testFreshStatusFromSideChannel) {
+            return SSL_AuthCertificate(serverCertAuth->dbHandle,
+                                       fd, checkSig, isServer);
+        }
+
+        /* No verification attempt must have happened before now,
+         * to ensure revocation data has been actively retrieved yet,
+         * or our test will produce incorrect results.
+         */
+
+        cert = SSL_RevealCert(fd);
+        if (!cert) {
+            exit(254);
+        }
+
+        csa = SSL_PeerStapledOCSPResponses(fd);
+        if (csa) {
+            for (i = 0; i < csa->len; ++i) {
+                PORT_SetError(0);
+                if (CERT_CacheOCSPResponseFromSideChannel(
+                        serverCertAuth->dbHandle, cert, PR_Now(),
+                        &csa->items[i], arg) != SECSuccess) {
+                    PORT_Assert(PR_GetError() != 0);
+                }
+            }
+        }
+
+        verifyFromSideChannel(cert, serverCertAuth);
+        CERT_DestroyCertificate(cert);
+        /* return success to ensure our caller will continue and we will
+         * reach the code that handles
+         * serverCertAuth->sideChannelRevocationTestResultCode
+         */
+        return SECSuccess;
+    }
+
+    FPRINTF(stderr, "%s: using asynchronous certificate validation\n",
+            progName);
+
+    PORT_Assert(!serverCertAuth->isPaused);
+    serverCertAuth->isPaused = PR_TRUE;
+    return SECWouldBlock;
+}
+
+SECStatus
+own_GetClientAuthData(void *arg,
+                      PRFileDesc *socket,
+                      struct CERTDistNamesStr *caNames,
+                      struct CERTCertificateStr **pRetCert,
+                      struct SECKEYPrivateKeyStr **pRetKey)
+{
+    if (verbose > 1) {
+        SECStatus rv;
+        fprintf(stderr, "Server requested Client Authentication\n");
+        if (caNames && caNames->nnames > 0) {
+            PLArenaPool *arena = caNames->arena;
+            if (!arena)
+                arena = PORT_NewArena(2048);
+            if (arena) {
+                int i;
+                for (i = 0; i < caNames->nnames; ++i) {
+                    char *nameString;
+                    CERTName dn;
+                    rv = SEC_QuickDERDecodeItem(arena,
+                                                &dn,
+                                                SEC_ASN1_GET(CERT_NameTemplate),
+                                                caNames->names + i);
+                    if (rv != SECSuccess)
+                        continue;
+                    nameString = CERT_NameToAscii(&dn);
+                    if (!nameString)
+                        continue;
+                    fprintf(stderr, "CA[%d]: %s\n", i + 1, nameString);
+                    PORT_Free(nameString);
+                }
+                if (!caNames->arena) {
+                    PORT_FreeArena(arena, PR_FALSE);
+                }
+            }
+        }
+        rv = NSS_GetClientAuthData(arg, socket, caNames, pRetCert, pRetKey);
+        if (rv == SECSuccess && *pRetCert) {
+            char *nameString = CERT_NameToAscii(&((*pRetCert)->subject));
+            if (nameString) {
+                fprintf(stderr, "sent cert: %s\n", nameString);
+                PORT_Free(nameString);
+            }
+        } else {
+            fprintf(stderr, "send no cert\n");
+        }
+        return rv;
+    }
+    return NSS_GetClientAuthData(arg, socket, caNames, pRetCert, pRetKey);
+}
+
+#if defined(WIN32) || defined(OS2)
+void
+thread_main(void *arg)
+{
+    PRFileDesc *ps = (PRFileDesc *)arg;
+    PRFileDesc *std_in = PR_GetSpecialFD(PR_StandardInput);
+    int wc, rc;
+    char buf[256];
+
+#ifdef WIN32
+    {
+        /* Put stdin into O_BINARY mode
+        ** or else incoming \r\n's will become \n's.
+        */
+        int smrv = _setmode(_fileno(stdin), _O_BINARY);
+        if (smrv == -1) {
+            fprintf(stderr,
+                    "%s: Cannot change stdin to binary mode. Use -i option instead.\n",
+                    progName);
+            /* plow ahead anyway */
+        }
+    }
+#endif
+
+    do {
+        rc = PR_Read(std_in, buf, sizeof buf);
+        if (rc <= 0)
+            break;
+        wc = PR_Send(ps, buf, rc, 0, maxInterval);
+    } while (wc == rc);
+    PR_Close(ps);
+}
+
+#endif
+
+static void
+printHostNameAndAddr(const char *host, const PRNetAddr *addr)
+{
+    PRUint16 port = PR_NetAddrInetPort(addr);
+    char addrBuf[80];
+    PRStatus st = PR_NetAddrToString(addr, addrBuf, sizeof addrBuf);
+
+    if (st == PR_SUCCESS) {
+        port = PR_ntohs(port);
+        FPRINTF(stderr, "%s: connecting to %s:%hu (address=%s)\n",
+                progName, host, port, addrBuf);
+    }
+}
+
+/*
+ *  Prints output according to skipProtoHeader flag. If skipProtoHeader
+ *  is not set, prints without any changes, otherwise looking
+ *  for \n\r\n(empty line sequence: HTTP header separator) and
+ *  prints everything after it.
+ */
+static void
+separateReqHeader(const PRFileDesc *outFd, const char *buf, const int nb,
+                  PRBool *wrStarted, int *ptrnMatched)
+{
+
+    /* it is sufficient to look for only "\n\r\n". Hopping that
+     * HTTP response format satisfies the standard */
+    char *ptrnStr = "\n\r\n";
+    char *resPtr;
+
+    if (nb == 0) {
+        return;
+    }
+
+    if (*ptrnMatched > 0) {
+        /* Get here only if previous separateReqHeader call found
+         * only a fragment of "\n\r\n" in previous buffer. */
+        PORT_Assert(*ptrnMatched < 3);
+
+        /* the size of fragment of "\n\r\n" what we want to find in this
+         * buffer is equal to *ptrnMatched */
+        if (*ptrnMatched <= nb) {
+            /* move the pointer to the beginning of the fragment */
+            int strSize = *ptrnMatched;
+            char *tmpPtrn = ptrnStr + (3 - strSize);
+            if (PL_strncmp(buf, tmpPtrn, strSize) == 0) {
+                /* print the rest of the buffer(without the fragment) */
+                PR_Write((void *)outFd, buf + strSize, nb - strSize);
+                *wrStarted = PR_TRUE;
+                return;
+            }
+        } else {
+            /* we are here only when nb == 1 && *ptrnMatched == 2 */
+            if (*buf == '\r') {
+                *ptrnMatched = 1;
+            } else {
+                *ptrnMatched = 0;
+            }
+            return;
+        }
+    }
+    resPtr = PL_strnstr(buf, ptrnStr, nb);
+    if (resPtr != NULL) {
+        /* if "\n\r\n" was found in the buffer, calculate offset
+         * and print the rest of the buffer */
+        int newBn = nb - (resPtr - buf + 3); /* 3 is the length of "\n\r\n" */
+
+        PR_Write((void *)outFd, resPtr + 3, newBn);
+        *wrStarted = PR_TRUE;
+        return;
+    } else {
+        /* try to find a fragment of "\n\r\n" at the end of the buffer.
+         * if found, set *ptrnMatched to the number of chars left to find
+         * in the next buffer.*/
+        int i;
+        for (i = 1; i < 3; i++) {
+            char *bufPrt;
+            int strSize = 3 - i;
+
+            if (strSize > nb) {
+                continue;
+            }
+            bufPrt = (char *)(buf + nb - strSize);
+
+            if (PL_strncmp(bufPrt, ptrnStr, strSize) == 0) {
+                *ptrnMatched = i;
+                return;
+            }
+        }
+    }
+}
+
+#define SSOCK_FD 0
+#define STDIN_FD 1
+
+#define HEXCHAR_TO_INT(c, i)                   \
+    if (((c) >= '0') && ((c) <= '9')) {        \
+        i = (c) - '0';                         \
+    } else if (((c) >= 'a') && ((c) <= 'f')) { \
+        i = (c) - 'a' + 10;                    \
+    } else if (((c) >= 'A') && ((c) <= 'F')) { \
+        i = (c) - 'A' + 10;                    \
+    } else {                                   \
+        Usage(progName);                       \
+    }
+
+static SECStatus
+restartHandshakeAfterServerCertIfNeeded(PRFileDesc *fd,
+                                        ServerCertAuth *serverCertAuth,
+                                        PRBool override)
+{
+    SECStatus rv;
+    PRErrorCode error;
+
+    if (!serverCertAuth->isPaused)
+        return SECSuccess;
+
+    FPRINTF(stderr, "%s: handshake was paused by auth certificate hook\n",
+            progName);
+
+    serverCertAuth->isPaused = PR_FALSE;
+    rv = SSL_AuthCertificate(serverCertAuth->dbHandle, fd, PR_TRUE, PR_FALSE);
+    if (rv != SECSuccess) {
+        error = PR_GetError();
+        if (error == 0) {
+            PR_NOT_REACHED("SSL_AuthCertificate return SECFailure without "
+                           "setting error code.");
+            error = PR_INVALID_STATE_ERROR;
+        } else if (override) {
+            rv = ownBadCertHandler(NULL, fd);
+        }
+    }
+    if (rv == SECSuccess) {
+        error = 0;
+    }
+
+    if (SSL_AuthCertificateComplete(fd, error) != SECSuccess) {
+        rv = SECFailure;
+    }
+
+    return rv;
+}
+
+char *host = NULL;
+char *nickname = NULL;
+char *cipherString = NULL;
+int multiplier = 0;
+SSLVersionRange enabledVersions;
+int disableLocking = 0;
+int enableSessionTickets = 0;
+int enableCompression = 0;
+int enableFalseStart = 0;
+int enableCertStatus = 0;
+int enableSignedCertTimestamps = 0;
+int forceFallbackSCSV = 0;
+int enableExtendedMasterSecret = 0;
+PRBool requireDHNamedGroups = 0;
+PRSocketOptionData opt;
+PRNetAddr addr;
+PRBool allowIPv4 = PR_TRUE;
+PRBool allowIPv6 = PR_TRUE;
+PRBool pingServerFirst = PR_FALSE;
+int pingTimeoutSeconds = -1;
+PRBool clientSpeaksFirst = PR_FALSE;
+PRBool skipProtoHeader = PR_FALSE;
+ServerCertAuth serverCertAuth;
+char *hs1SniHostName = NULL;
+char *hs2SniHostName = NULL;
+PRUint16 portno = 443;
+int override = 0;
+char *requestString = NULL;
+PRInt32 requestStringLen = 0;
+PRBool enableZeroRtt = PR_FALSE;
+
+static int
+writeBytesToServer(PRFileDesc *s, PRPollDesc *pollset, const char *buf, int nb)
+{
+    SECStatus rv;
+    const char *bufp = buf;
+
+    FPRINTF(stderr, "%s: Writing %d bytes to server\n",
+            progName, nb);
+    do {
+        PRInt32 cc = PR_Send(s, bufp, nb, 0, maxInterval);
+        if (cc < 0) {
+            PRErrorCode err = PR_GetError();
+            if (err != PR_WOULD_BLOCK_ERROR) {
+                SECU_PrintError(progName,
+                                "write to SSL socket failed");
+                return 254;
+            }
+            cc = 0;
+        }
+        bufp += cc;
+        nb -= cc;
+        if (nb <= 0)
+            break;
+
+        rv = restartHandshakeAfterServerCertIfNeeded(s,
+                                                     &serverCertAuth, override);
+        if (rv != SECSuccess) {
+            SECU_PrintError(progName, "authentication of server cert failed");
+            return EXIT_CODE_HANDSHAKE_FAILED;
+        }
+
+        pollset[SSOCK_FD].in_flags = PR_POLL_WRITE | PR_POLL_EXCEPT;
+        pollset[SSOCK_FD].out_flags = 0;
+        FPRINTF(stderr,
+                "%s: about to call PR_Poll on writable socket !\n",
+                progName);
+        cc = PR_Poll(pollset, 1, PR_INTERVAL_NO_TIMEOUT);
+        if (cc < 0) {
+            SECU_PrintError(progName,
+                            "PR_Poll failed");
+            return -1;
+        }
+        FPRINTF(stderr,
+                "%s: PR_Poll returned with writable socket !\n",
+                progName);
+    } while (1);
+
+    return 0;
+}
+
+static int
+run_client(void)
+{
+    int headerSeparatorPtrnId = 0;
+    int error = 0;
+    SECStatus rv;
+    PRStatus status;
+    PRInt32 filesReady;
+    int npds;
+    PRFileDesc *s = NULL;
+    PRFileDesc *std_out;
+    PRPollDesc pollset[2];
+    PRBool wrStarted = PR_FALSE;
+    char *requestStringInt = requestString;
+
+    /* Create socket */
+    s = PR_OpenTCPSocket(addr.raw.family);
+    if (s == NULL) {
+        SECU_PrintError(progName, "error creating socket");
+        error = 1;
+        goto done;
+    }
+
+    opt.option = PR_SockOpt_Nonblocking;
+    opt.value.non_blocking = PR_TRUE; /* default */
+    if (serverCertAuth.testFreshStatusFromSideChannel) {
+        opt.value.non_blocking = PR_FALSE;
+    }
+    status = PR_SetSocketOption(s, &opt);
+    if (status != PR_SUCCESS) {
+        SECU_PrintError(progName, "error setting socket options");
+        error = 1;
+        goto done;
+    }
+
+    s = SSL_ImportFD(NULL, s);
+    if (s == NULL) {
+        SECU_PrintError(progName, "error importing socket");
+        error = 1;
+        goto done;
+    }
+
+    SSL_SetPKCS11PinArg(s, &pwdata);
+
+    rv = SSL_OptionSet(s, SSL_SECURITY, 1);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error enabling socket");
+        error = 1;
+        goto done;
+    }
+
+    rv = SSL_OptionSet(s, SSL_HANDSHAKE_AS_CLIENT, 1);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error enabling client handshake");
+        error = 1;
+        goto done;
+    }
+
+    /* all SSL3 cipher suites are enabled by default. */
+    if (cipherString) {
+        char *cstringSaved = cipherString;
+        int ndx;
+
+        while (0 != (ndx = *cipherString++)) {
+            int cipher = 0;
+
+            if (ndx == ':') {
+                int ctmp = 0;
+
+                HEXCHAR_TO_INT(*cipherString, ctmp)
+                cipher |= (ctmp << 12);
+                cipherString++;
+                HEXCHAR_TO_INT(*cipherString, ctmp)
+                cipher |= (ctmp << 8);
+                cipherString++;
+                HEXCHAR_TO_INT(*cipherString, ctmp)
+                cipher |= (ctmp << 4);
+                cipherString++;
+                HEXCHAR_TO_INT(*cipherString, ctmp)
+                cipher |= ctmp;
+                cipherString++;
+            } else {
+                if (!isalpha(ndx))
+                    Usage(progName);
+                ndx = tolower(ndx) - 'a';
+                if (ndx < PR_ARRAY_SIZE(ssl3CipherSuites)) {
+                    cipher = ssl3CipherSuites[ndx];
+                }
+            }
+            if (cipher > 0) {
+                SECStatus status;
+                status = SSL_CipherPrefSet(s, cipher, SSL_ALLOWED);
+                if (status != SECSuccess)
+                    SECU_PrintError(progName, "SSL_CipherPrefSet()");
+            } else {
+                Usage(progName);
+            }
+        }
+        PORT_Free(cstringSaved);
+    }
+
+    rv = SSL_VersionRangeSet(s, &enabledVersions);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error setting SSL/TLS version range ");
+        error = 1;
+        goto done;
+    }
+
+    /* disable SSL socket locking */
+    rv = SSL_OptionSet(s, SSL_NO_LOCKS, disableLocking);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error disabling SSL socket locking");
+        error = 1;
+        goto done;
+    }
+
+    /* enable Session Ticket extension. */
+    rv = SSL_OptionSet(s, SSL_ENABLE_SESSION_TICKETS, enableSessionTickets);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error enabling Session Ticket extension");
+        error = 1;
+        goto done;
+    }
+
+    /* enable compression. */
+    rv = SSL_OptionSet(s, SSL_ENABLE_DEFLATE, enableCompression);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error enabling compression");
+        error = 1;
+        goto done;
+    }
+
+    /* enable false start. */
+    rv = SSL_OptionSet(s, SSL_ENABLE_FALSE_START, enableFalseStart);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error enabling false start");
+        error = 1;
+        goto done;
+    }
+
+    if (forceFallbackSCSV) {
+        rv = SSL_OptionSet(s, SSL_ENABLE_FALLBACK_SCSV, PR_TRUE);
+        if (rv != SECSuccess) {
+            SECU_PrintError(progName, "error forcing fallback scsv");
+            error = 1;
+            goto done;
+        }
+    }
+
+    /* enable cert status (OCSP stapling). */
+    rv = SSL_OptionSet(s, SSL_ENABLE_OCSP_STAPLING, enableCertStatus);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error enabling cert status (OCSP stapling)");
+        error = 1;
+        goto done;
+    }
+
+    /* enable extended master secret mode */
+    if (enableExtendedMasterSecret) {
+        rv = SSL_OptionSet(s, SSL_ENABLE_EXTENDED_MASTER_SECRET, PR_TRUE);
+        if (rv != SECSuccess) {
+            SECU_PrintError(progName, "error enabling extended master secret");
+            error = 1;
+            goto done;
+        }
+    }
+
+    /* enable 0-RTT (TLS 1.3 only) */
+    if (enableZeroRtt) {
+        rv = SSL_OptionSet(s, SSL_ENABLE_0RTT_DATA, PR_TRUE);
+        if (rv != SECSuccess) {
+            SECU_PrintError(progName, "error enabling 0-RTT");
+            error = 1;
+            goto done;
+        }
+    }
+
+    /* require the use of fixed finite-field DH groups */
+    if (requireDHNamedGroups) {
+        rv = SSL_OptionSet(s, SSL_REQUIRE_DH_NAMED_GROUPS, PR_TRUE);
+        if (rv != SECSuccess) {
+            SECU_PrintError(progName, "error in requiring the use of fixed finite-field DH groups");
+            error = 1;
+            goto done;
+        }
+    }
+
+    /* enable Signed Certificate Timestamps. */
+    rv = SSL_OptionSet(s, SSL_ENABLE_SIGNED_CERT_TIMESTAMPS,
+                       enableSignedCertTimestamps);
+    if (rv != SECSuccess) {
+        SECU_PrintError(progName, "error enabling signed cert timestamps");
+        error = 1;
+        goto done;
+    }
+
+    if (enabledGroups) {
+        rv = SSL_NamedGroupConfig(s, enabledGroups, enabledGroupsCount);
+        if (rv < 0) {
+            SECU_PrintError(progName, "SSL_NamedGroupConfig failed");
+            error = 1;
+            goto done;
+        }
+    }
+
+    serverCertAuth.dbHandle = CERT_GetDefaultCertDB();
+
+    SSL_AuthCertificateHook(s, ownAuthCertificate, &serverCertAuth);
+    if (override) {
+        SSL_BadCertHook(s, ownBadCertHandler, NULL);
+    }
+    SSL_GetClientAuthDataHook(s, own_GetClientAuthData, (void *)nickname);
+    SSL_HandshakeCallback(s, handshakeCallback, hs2SniHostName);
+    if (hs1SniHostName) {
+        SSL_SetURL(s, hs1SniHostName);
+    } else {
+        SSL_SetURL(s, host);
+    }
+
+    /* Try to connect to the server */
+    status = PR_Connect(s, &addr, PR_INTERVAL_NO_TIMEOUT);
+    if (status != PR_SUCCESS) {
+        if (PR_GetError() == PR_IN_PROGRESS_ERROR) {
+            if (verbose)
+                SECU_PrintError(progName, "connect");
+            milliPause(50 * multiplier);
+            pollset[SSOCK_FD].in_flags = PR_POLL_WRITE | PR_POLL_EXCEPT;
+            pollset[SSOCK_FD].out_flags = 0;
+            pollset[SSOCK_FD].fd = s;
+            while (1) {
+                FPRINTF(stderr,
+                        "%s: about to call PR_Poll for connect completion!\n",
+                        progName);
+                filesReady = PR_Poll(pollset, 1, PR_INTERVAL_NO_TIMEOUT);
+                if (filesReady < 0) {
+                    SECU_PrintError(progName, "unable to connect (poll)");
+                    error = 1;
+                    goto done;
+                }
+                FPRINTF(stderr,
+                        "%s: PR_Poll returned 0x%02x for socket out_flags.\n",
+                        progName, pollset[SSOCK_FD].out_flags);
+                if (filesReady == 0) { /* shouldn't happen! */
+                    FPRINTF(stderr, "%s: PR_Poll returned zero!\n", progName);
+                    error = 1;
+                    goto done;
+                }
+                status = PR_GetConnectStatus(pollset);
+                if (status == PR_SUCCESS) {
+                    break;
+                }
+                if (PR_GetError() != PR_IN_PROGRESS_ERROR) {
+                    SECU_PrintError(progName, "unable to connect (poll)");
+                    error = 1;
+                    goto done;
+                }
+                SECU_PrintError(progName, "poll");
+                milliPause(50 * multiplier);
+            }
+        } else {
+            SECU_PrintError(progName, "unable to connect");
+            error = 1;
+            goto done;
+        }
+    }
+
+    pollset[SSOCK_FD].fd = s;
+    pollset[SSOCK_FD].in_flags = PR_POLL_EXCEPT |
+                                 (clientSpeaksFirst ? 0 : PR_POLL_READ);
+    pollset[STDIN_FD].fd = PR_GetSpecialFD(PR_StandardInput);
+    if (!requestStringInt) {
+        pollset[STDIN_FD].in_flags = PR_POLL_READ;
+        npds = 2;
+    } else {
+        npds = 1;
+    }
+    std_out = PR_GetSpecialFD(PR_StandardOutput);
+
+#if defined(WIN32) || defined(OS2)
+    /* PR_Poll cannot be used with stdin on Windows or OS/2.  (sigh).
+    ** But use of PR_Poll and non-blocking sockets is a major feature
+    ** of this program.  So, we simulate a pollable stdin with a
+    ** TCP socket pair and a  thread that reads stdin and writes to
+    ** that socket pair.
+    */
+    {
+        PRFileDesc *fds[2];
+        PRThread *thread;
+
+        int nspr_rv = PR_NewTCPSocketPair(fds);
+        if (nspr_rv != PR_SUCCESS) {
+            SECU_PrintError(progName, "PR_NewTCPSocketPair failed");
+            error = 1;
+            goto done;
+        }
+        pollset[STDIN_FD].fd = fds[1];
+
+        thread = PR_CreateThread(PR_USER_THREAD, thread_main, fds[0],
+                                 PR_PRIORITY_NORMAL, PR_GLOBAL_THREAD,
+                                 PR_UNJOINABLE_THREAD, 0);
+        if (!thread) {
+            SECU_PrintError(progName, "PR_CreateThread failed");
+            error = 1;
+            goto done;
+        }
+    }
+#endif
+
+    if (serverCertAuth.testFreshStatusFromSideChannel) {
+        SSL_ForceHandshake(s);
+        error = serverCertAuth.sideChannelRevocationTestResultCode;
+        goto done;
+    }
+
+    /*
+    ** Select on stdin and on the socket. Write data from stdin to
+    ** socket, read data from socket and write to stdout.
+    */
+    FPRINTF(stderr, "%s: ready...\n", progName);
+    while ((pollset[SSOCK_FD].in_flags | pollset[STDIN_FD].in_flags) ||
+           requestStringInt) {
+        char buf[4000]; /* buffer for stdin */
+        int nb;         /* num bytes read from stdin. */
+
+        rv = restartHandshakeAfterServerCertIfNeeded(s, &serverCertAuth,
+                                                     override);
+        if (rv != SECSuccess) {
+            error = EXIT_CODE_HANDSHAKE_FAILED;
+            SECU_PrintError(progName, "authentication of server cert failed");
+            goto done;
+        }
+
+        pollset[SSOCK_FD].out_flags = 0;
+        pollset[STDIN_FD].out_flags = 0;
+
+        FPRINTF(stderr, "%s: about to call PR_Poll !\n", progName);
+        filesReady = PR_Poll(pollset, npds, PR_INTERVAL_NO_TIMEOUT);
+        if (filesReady < 0) {
+            SECU_PrintError(progName, "select failed");
+            error = 1;
+            goto done;
+        }
+        if (filesReady == 0) { /* shouldn't happen! */
+            FPRINTF(stderr, "%s: PR_Poll returned zero!\n", progName);
+            error = 1;
+            goto done;
+        }
+        FPRINTF(stderr, "%s: PR_Poll returned!\n", progName);
+        if (pollset[STDIN_FD].in_flags) {
+            FPRINTF(stderr,
+                    "%s: PR_Poll returned 0x%02x for stdin out_flags.\n",
+                    progName, pollset[STDIN_FD].out_flags);
+        }
+        if (pollset[SSOCK_FD].in_flags) {
+            FPRINTF(stderr,
+                    "%s: PR_Poll returned 0x%02x for socket out_flags.\n",
+                    progName, pollset[SSOCK_FD].out_flags);
+        }
+        if (requestStringInt) {
+            error = writeBytesToServer(s, pollset,
+                                       requestStringInt, requestStringLen);
+            if (error) {
+                goto done;
+            }
+            requestStringInt = NULL;
+            pollset[SSOCK_FD].in_flags = PR_POLL_READ;
+        }
+        if (pollset[STDIN_FD].out_flags & PR_POLL_READ) {
+            /* Read from stdin and write to socket */
+            nb = PR_Read(pollset[STDIN_FD].fd, buf, sizeof(buf));
+            FPRINTF(stderr, "%s: stdin read %d bytes\n", progName, nb);
+            if (nb < 0) {
+                if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {
+                    SECU_PrintError(progName, "read from stdin failed");
+                    error = 1;
+                    break;
+                }
+            } else if (nb == 0) {
+                /* EOF on stdin, stop polling stdin for read. */
+                pollset[STDIN_FD].in_flags = 0;
+            } else {
+                error = writeBytesToServer(s, pollset, buf, nb);
+                if (error) {
+                    goto done;
+                }
+                pollset[SSOCK_FD].in_flags = PR_POLL_READ;
+            }
+        }
+
+        if (pollset[SSOCK_FD].in_flags) {
+            FPRINTF(stderr,
+                    "%s: PR_Poll returned 0x%02x for socket out_flags.\n",
+                    progName, pollset[SSOCK_FD].out_flags);
+        }
+        if ((pollset[SSOCK_FD].out_flags & PR_POLL_READ) ||
+            (pollset[SSOCK_FD].out_flags & PR_POLL_ERR)
+#ifdef PR_POLL_HUP
+            || (pollset[SSOCK_FD].out_flags & PR_POLL_HUP)
+#endif
+                ) {
+            /* Read from socket and write to stdout */
+            nb = PR_Recv(pollset[SSOCK_FD].fd, buf, sizeof buf, 0, maxInterval);
+            FPRINTF(stderr, "%s: Read from server %d bytes\n", progName, nb);
+            if (nb < 0) {
+                if (PR_GetError() != PR_WOULD_BLOCK_ERROR) {
+                    SECU_PrintError(progName, "read from socket failed");
+                    error = 1;
+                    goto done;
+                }
+            } else if (nb == 0) {
+                /* EOF from socket... stop polling socket for read */
+                pollset[SSOCK_FD].in_flags = 0;
+            } else {
+                if (skipProtoHeader != PR_TRUE || wrStarted == PR_TRUE) {
+                    PR_Write(std_out, buf, nb);
+                } else {
+                    separateReqHeader(std_out, buf, nb, &wrStarted,
+                                      &headerSeparatorPtrnId);
+                }
+                if (verbose)
+                    fputs("\n\n", stderr);
+            }
+        }
+        milliPause(50 * multiplier);
+    }
+
+done:
+    if (s) {
+        PR_Close(s);
+    }
+
+    return error;
+}
+
+PRInt32
+ReadFile(const char *filename, char **data)
+{
+    char *ret = NULL;
+    char buf[8192];
+    unsigned int len = 0;
+    PRStatus rv;
+
+    PRFileDesc *fd = PR_Open(filename, PR_RDONLY, 0);
+    if (!fd)
+        return -1;
+
+    for (;;) {
+        rv = PR_Read(fd, buf, sizeof(buf));
+        if (rv < 0) {
+            PR_Free(ret);
+            return rv;
+        }
+
+        if (!rv)
+            break;
+
+        ret = PR_Realloc(ret, len + rv);
+        if (!ret) {
+            return -1;
+        }
+        PORT_Memcpy(ret + len, buf, rv);
+        len += rv;
+    }
+
+    *data = ret;
+    return len;
+}
+
+int
+main(int argc, char **argv)
+{
+    PLOptState *optstate;
+    PLOptStatus optstatus;
+    PRStatus status;
+    PRStatus prStatus;
+    int error = 0;
+    char *tmp;
+    SECStatus rv;
+    char *certDir = NULL;
+    PRBool openDB = PR_TRUE;
+    PRBool loadDefaultRootCAs = PR_FALSE;
+    char *rootModule = NULL;
+    int numConnections = 1;
+    PRFileDesc *s = NULL;
+
+    serverCertAuth.shouldPause = PR_TRUE;
+    serverCertAuth.isPaused = PR_FALSE;
+    serverCertAuth.dbHandle = NULL;
+    serverCertAuth.testFreshStatusFromSideChannel = PR_FALSE;
+    serverCertAuth.sideChannelRevocationTestResultCode = EXIT_CODE_HANDSHAKE_FAILED;
+    serverCertAuth.requireDataForIntermediates = PR_FALSE;
+    serverCertAuth.allowOCSPSideChannelData = PR_TRUE;
+    serverCertAuth.allowCRLSideChannelData = PR_TRUE;
+
+    progName = strrchr(argv[0], '/');
+    if (!progName)
+        progName = strrchr(argv[0], '\\');
+    progName = progName ? progName + 1 : argv[0];
+
+    tmp = PR_GetEnvSecure("NSS_DEBUG_TIMEOUT");
+    if (tmp && tmp[0]) {
+        int sec = PORT_Atoi(tmp);
+        if (sec > 0) {
+            maxInterval = PR_SecondsToInterval(sec);
+        }
+    }
+
+    SSL_VersionRangeGetSupported(ssl_variant_stream, &enabledVersions);
+
+    /* XXX: 'B' was used in the past but removed in 3.28,
+     *      please leave some time before resuing it. */
+    optstate = PL_CreateOptState(argc, argv,
+                                 "46A:CDFGHI:KL:M:OR:STUV:WYZa:bc:d:fgh:m:n:op:qr:st:uvw:z");
+    while ((optstatus = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
+        switch (optstate->option) {
+            case '?':
+            default:
+                Usage(progName);
+                break;
+
+            case '4':
+                allowIPv6 = PR_FALSE;
+                if (!allowIPv4)
+                    Usage(progName);
+                break;
+            case '6':
+                allowIPv4 = PR_FALSE;
+                if (!allowIPv6)
+                    Usage(progName);
+                break;
+
+            case 'A':
+                requestStringLen = ReadFile(optstate->value, &requestString);
+                if (requestStringLen < 0) {
+                    fprintf(stderr, "Couldn't read file %s\n", optstate->value);
+                    exit(1);
+                }
+                break;
+
+            case 'C':
+                ++dumpServerChain;
+                break;
+
+            case 'D':
+                openDB = PR_FALSE;
+                break;
+
+            case 'F':
+                if (serverCertAuth.testFreshStatusFromSideChannel) {
+                    /* parameter given twice or more */
+                    serverCertAuth.requireDataForIntermediates = PR_TRUE;
+                }
+                serverCertAuth.testFreshStatusFromSideChannel = PR_TRUE;
+                break;
+
+            case 'G':
+                enableExtendedMasterSecret = PR_TRUE;
+                break;
+
+            case 'H':
+                requireDHNamedGroups = PR_TRUE;
+                break;
+
+            case 'O':
+                serverCertAuth.shouldPause = PR_FALSE;
+                break;
+
+            case 'K':
+                forceFallbackSCSV = PR_TRUE;
+                break;
+
+            case 'L':
+                numConnections = atoi(optstate->value);
+                break;
+
+            case 'M':
+                switch (atoi(optstate->value)) {
+                    case 1:
+                        serverCertAuth.allowOCSPSideChannelData = PR_TRUE;
+                        serverCertAuth.allowCRLSideChannelData = PR_FALSE;
+                        break;
+                    case 2:
+                        serverCertAuth.allowOCSPSideChannelData = PR_FALSE;
+                        serverCertAuth.allowCRLSideChannelData = PR_TRUE;
+                        break;
+                    case 0:
+                    default:
+                        serverCertAuth.allowOCSPSideChannelData = PR_TRUE;
+                        serverCertAuth.allowCRLSideChannelData = PR_TRUE;
+                        break;
+                };
+                break;
+
+            case 'R':
+                rootModule = PORT_Strdup(optstate->value);
+                break;
+
+            case 'S':
+                skipProtoHeader = PR_TRUE;
+                break;
+
+            case 'T':
+                enableCertStatus = 1;
+                break;
+
+            case 'U':
+                enableSignedCertTimestamps = 1;
+                break;
+
+            case 'V':
+                if (SECU_ParseSSLVersionRangeString(optstate->value,
+                                                    enabledVersions, &enabledVersions) !=
+                    SECSuccess) {
+                    Usage(progName);
+                }
+                break;
+
+            case 'Y':
+                PrintCipherUsage(progName);
+                exit(0);
+                break;
+
+            case 'Z':
+                enableZeroRtt = PR_TRUE;
+                break;
+
+            case 'a':
+                if (!hs1SniHostName) {
+                    hs1SniHostName = PORT_Strdup(optstate->value);
+                } else if (!hs2SniHostName) {
+                    hs2SniHostName = PORT_Strdup(optstate->value);
+                } else {
+                    Usage(progName);
+                }
+                break;
+
+            case 'b':
+                loadDefaultRootCAs = PR_TRUE;
+                break;
+
+            case 'c':
+                cipherString = PORT_Strdup(optstate->value);
+                break;
+
+            case 'g':
+                enableFalseStart = 1;
+                break;
+
+            case 'd':
+                certDir = PORT_Strdup(optstate->value);
+                break;
+
+            case 'f':
+                clientSpeaksFirst = PR_TRUE;
+                break;
+
+            case 'h':
+                host = PORT_Strdup(optstate->value);
+                break;
+
+            case 'm':
+                multiplier = atoi(optstate->value);
+                if (multiplier < 0)
+                    multiplier = 0;
+                break;
+
+            case 'n':
+                nickname = PORT_Strdup(optstate->value);
+                break;
+
+            case 'o':
+                override = 1;
+                break;
+
+            case 'p':
+                portno = (PRUint16)atoi(optstate->value);
+                break;
+
+            case 'q':
+                pingServerFirst = PR_TRUE;
+                break;
+
+            case 's':
+                disableLocking = 1;
+                break;
+
+            case 't':
+                pingTimeoutSeconds = atoi(optstate->value);
+                break;
+
+            case 'u':
+                enableSessionTickets = PR_TRUE;
+                break;
+
+            case 'v':
+                verbose++;
+                break;
+
+            case 'r':
+                renegotiationsToDo = atoi(optstate->value);
+                break;
+
+            case 'w':
+                pwdata.source = PW_PLAINTEXT;
+                pwdata.data = PORT_Strdup(optstate->value);
+                break;
+
+            case 'W':
+                pwdata.source = PW_FROMFILE;
+                pwdata.data = PORT_Strdup(optstate->value);
+                break;
+
+            case 'z':
+                enableCompression = 1;
+                break;
+
+            case 'I':
+                rv = parseGroupList(optstate->value, &enabledGroups, &enabledGroupsCount);
+                if (rv != SECSuccess) {
+                    PL_DestroyOptState(optstate);
+                    fprintf(stderr, "Bad group specified.\n");
+                    Usage(progName);
+                }
+                break;
+        }
+    }
+
+    PL_DestroyOptState(optstate);
+
+    if (optstatus == PL_OPT_BAD) {
+        Usage(progName);
+    }
+
+    if (!host || !portno) {
+        fprintf(stderr, "%s: parameters -h and -p are mandatory\n", progName);
+        Usage(progName);
+    }
+
+    if (serverCertAuth.testFreshStatusFromSideChannel &&
+        serverCertAuth.shouldPause) {
+        fprintf(stderr, "%s: -F requires the use of -O\n", progName);
+        exit(1);
+    }
+
+    if (certDir && !openDB) {
+        fprintf(stderr, "%s: Cannot combine parameters -D and -d\n", progName);
+        exit(1);
+    }
+
+    if (rootModule && loadDefaultRootCAs) {
+        fprintf(stderr, "%s: Cannot combine parameters -b and -R\n", progName);
+        exit(1);
+    }
+
+    PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);
+
+    PK11_SetPasswordFunc(SECU_GetModulePassword);
+
+    status = PR_StringToNetAddr(host, &addr);
+    if (status == PR_SUCCESS) {
+        addr.inet.port = PR_htons(portno);
+    } else {
+        /* Lookup host */
+        PRAddrInfo *addrInfo;
+        void *enumPtr = NULL;
+
+        addrInfo = PR_GetAddrInfoByName(host, PR_AF_UNSPEC,
+                                        PR_AI_ADDRCONFIG | PR_AI_NOCANONNAME);
+        if (!addrInfo) {
+            SECU_PrintError(progName, "error looking up host");
+            error = 1;
+            goto done;
+        }
+        for (;;) {
+            enumPtr = PR_EnumerateAddrInfo(enumPtr, addrInfo, portno, &addr);
+            if (enumPtr == NULL)
+                break;
+            if (addr.raw.family == PR_AF_INET && allowIPv4)
+                break;
+            if (addr.raw.family == PR_AF_INET6 && allowIPv6)
+                break;
+        }
+        PR_FreeAddrInfo(addrInfo);
+        if (enumPtr == NULL) {
+            SECU_PrintError(progName, "error looking up host address");
+            error = 1;
+            goto done;
+        }
+    }
+
+    printHostNameAndAddr(host, &addr);
+
+    if (!certDir) {
+        certDir = SECU_DefaultSSLDir(); /* Look in $SSL_DIR */
+        certDir = SECU_ConfigDirectory(certDir);
+    } else {
+        char *certDirTmp = certDir;
+        certDir = SECU_ConfigDirectory(certDirTmp);
+        PORT_Free(certDirTmp);
+    }
+
+    if (pingServerFirst) {
+        int iter = 0;
+        PRErrorCode err;
+
+        int max_attempts = MAX_WAIT_FOR_SERVER;
+        if (pingTimeoutSeconds >= 0) {
+            /* If caller requested a timeout, let's try just twice. */
+            max_attempts = 2;
+        }
+        do {
+            PRIntervalTime timeoutInterval = PR_INTERVAL_NO_TIMEOUT;
+            s = PR_OpenTCPSocket(addr.raw.family);
+            if (s == NULL) {
+                SECU_PrintError(progName, "Failed to create a TCP socket");
+                error = 1;
+                goto done;
+            }
+            opt.option = PR_SockOpt_Nonblocking;
+            opt.value.non_blocking = PR_FALSE;
+            prStatus = PR_SetSocketOption(s, &opt);
+            if (prStatus != PR_SUCCESS) {
+                SECU_PrintError(progName,
+                                "Failed to set blocking socket option");
+                error = 1;
+                goto done;
+            }
+            if (pingTimeoutSeconds >= 0) {
+                timeoutInterval = PR_SecondsToInterval(pingTimeoutSeconds);
+            }
+            prStatus = PR_Connect(s, &addr, timeoutInterval);
+            if (prStatus == PR_SUCCESS) {
+                PR_Shutdown(s, PR_SHUTDOWN_BOTH);
+                goto done;
+            }
+            err = PR_GetError();
+            if ((err != PR_CONNECT_REFUSED_ERROR) &&
+                (err != PR_CONNECT_RESET_ERROR)) {
+                SECU_PrintError(progName, "TCP Connection failed");
+                error = 1;
+                goto done;
+            }
+            PR_Close(s);
+            s = NULL;
+            PR_Sleep(PR_MillisecondsToInterval(WAIT_INTERVAL));
+        } while (++iter < max_attempts);
+        SECU_PrintError(progName,
+                        "Client timed out while waiting for connection to server");
+        error = 1;
+        goto done;
+    }
+
+    /* open the cert DB, the key DB, and the secmod DB. */
+    if (openDB) {
+        rv = NSS_Init(certDir);
+        if (rv != SECSuccess) {
+            SECU_PrintError(progName, "unable to open cert database");
+            error = 1;
+            goto done;
+        }
+    } else {
+        rv = NSS_NoDB_Init(NULL);
+        if (rv != SECSuccess) {
+            SECU_PrintError(progName, "failed to initialize NSS");
+            error = 1;
+            goto done;
+        }
+    }
+
+    if (loadDefaultRootCAs) {
+        SECMOD_AddNewModule("Builtins",
+                            DLL_PREFIX "nssckbi." DLL_SUFFIX, 0, 0);
+    } else if (rootModule) {
+        SECMOD_AddNewModule("Builtins", rootModule, 0, 0);
+    }
+
+    /* all SSL3 cipher suites are enabled by default. */
+    if (cipherString) {
+        /* disable all the ciphers, then enable the ones we want. */
+        disableAllSSLCiphers();
+    }
+
+    while (numConnections--) {
+        error = run_client();
+        if (error) {
+            goto done;
+        }
+    }
+
+done:
+    if (s) {
+        PR_Close(s);
+    }
+
+    if (hs1SniHostName) {
+        PORT_Free(hs1SniHostName);
+    }
+    if (hs2SniHostName) {
+        PORT_Free(hs2SniHostName);
+    }
+    if (nickname) {
+        PORT_Free(nickname);
+    }
+    if (pwdata.data) {
+        PORT_Free(pwdata.data);
+    }
+    PORT_Free(host);
+    PORT_Free(requestString);
+
+    if (enabledGroups) {
+        PORT_Free(enabledGroups);
+    }
+    if (NSS_IsInitialized()) {
+        SSL_ClearSessionCache();
+        if (NSS_Shutdown() != SECSuccess) {
+            error = 1;
+        }
+    }
+
+    FPRINTF(stderr, "tstclnt: exiting with return code %d\n", error);
+    PR_Cleanup();
+    return error;
+}