tstclnt.c

Bug Summary

File:	s/cmd/tstclnt/tstclnt.c
Warning:	line 755, column 32 Access to field 'arg' results in a dereference of a null pointer (loaded from variable 'args')
Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name tstclnt.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -analyzer-config-compatibility-mode=true -mrelocation-model pic -pic-level 2 -fhalf-no-semantic-interposition -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fdebug-compilation-dir=/var/lib/jenkins/workspace/nss-scan-build/nss/cmd/tstclnt -ffunction-sections -fdata-sections -fcoverage-compilation-dir=/var/lib/jenkins/workspace/nss-scan-build/nss/cmd/tstclnt -resource-dir /usr/lib/llvm-18/lib/clang/18 -D HAVE_STRERROR -D LINUX -D linux -D XP_UNIX -D XP_UNIX -D DLL_PREFIX="lib" -D DLL_SUFFIX="so" -D DEBUG -U NDEBUG -D _DEFAULT_SOURCE -D _BSD_SOURCE -D _POSIX_SOURCE -D SDB_MEASURE_USE_TEMP_DIR -D _REENTRANT -D DEBUG -U NDEBUG -D _DEFAULT_SOURCE -D _BSD_SOURCE -D _POSIX_SOURCE -D SDB_MEASURE_USE_TEMP_DIR -D _REENTRANT -D NSS_DISABLE_SSE3 -D NSS_NO_INIT_SUPPORT -D USE_UTIL_DIRECTLY -D NO_NSPR_10_SUPPORT -D SSL_DISABLE_DEPRECATED_CIPHER_SUITE_NAMES -I ../../../dist/Linux4.19_x86_64_gcc_glibc_PTH_64_DBG.OBJ/include -I ../../../dist/public/nss -I ../../../dist/private/nss -I ../../../dist/public/seccmd -I ../../../dist/public/dbm -internal-isystem /usr/lib/llvm-18/lib/clang/18/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/14/../../../../x86_64-linux-gnu/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -std=c99 -ferror-limit 19 -fgnuc-version=4.2.1 -analyzer-output=html -analyzer-config stable-report-filename=true -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/scan-build-2024-05-18-082241-28900-1 -x c tstclnt.c
1/* 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/. */

5/*
6**
7** Sample client side test program that uses SSL and NSS
8**
9*/

11#include "secutil.h"
12#include "basicutil.h"

14#if defined(XP_UNIX1)
15#include <unistd.h>
16#else
17#include <ctype.h> /* for isalpha() */
18#endif

20#include <stdio.h>
21#include <string.h>
22#include <stdlib.h>
23#include <errno(*__errno_location ()).h>
24#include <fcntl.h>
25#include <stdarg.h>

27#include "nspr.h"
28#include "prio.h"
29#include "prnetdb.h"
30#include "nss.h"
31#include "nssb64.h"
32#include "ocsp.h"
33#include "ssl.h"
34#include "sslproto.h"
35#include "sslexp.h"
36#include "pk11func.h"
37#include "secmod.h"
38#include "plgetopt.h"
39#include "plstr.h"

41#if defined(WIN32)
42#include <fcntl.h>
43#include <io.h>
44#endif

46#define PRINTFif (verbose) printf   \
  if (verbose) \
  printf
49#define FPRINTFif (verbose) fprintf  \
  if (verbose) \
  fprintf

53#define MAX_WAIT_FOR_SERVER600 600
54#define WAIT_INTERVAL100 100
55#define ZERO_RTT_MAX(2 << 16) (2 << 16)

57#define EXIT_CODE_HANDSHAKE_FAILED254 254

59#define EXIT_CODE_SIDECHANNELTEST_GOOD0 0
60#define EXIT_CODE_SIDECHANNELTEST_BADCERT1 1
61#define EXIT_CODE_SIDECHANNELTEST_NODATA2 2
62#define EXIT_CODE_SIDECHANNELTEST_REVOKED3 3

64PRIntervalTime maxInterval = PR_INTERVAL_NO_TIMEOUT0xffffffffUL;

66int ssl3CipherSuites[] = {
  -1,                                /* SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA* a */
  -1,                                /* SSL_FORTEZZA_DMS_WITH_RC4_128_SHA     * b */
  TLS_RSA_WITH_RC4_128_MD50x0004,          /* c */
  TLS_RSA_WITH_3DES_EDE_CBC_SHA0x000a,     /* d */
  TLS_RSA_WITH_DES_CBC_SHA0x0009,          /* 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_MD50x0001,             /* 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_SHA0x0005,          /* n */
  TLS_DHE_DSS_WITH_RC4_128_SHA0x0066,      /* o */
  TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA0x0016, /* p */
  TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA0x0013, /* q */
  TLS_DHE_RSA_WITH_DES_CBC_SHA0x0015,      /* r */
  TLS_DHE_DSS_WITH_DES_CBC_SHA0x0012,      /* s */
  TLS_DHE_DSS_WITH_AES_128_CBC_SHA0x0032,  /* t */
  TLS_DHE_RSA_WITH_AES_128_CBC_SHA0x0033,  /* u */
  TLS_RSA_WITH_AES_128_CBC_SHA0x002F,      /* v */
  TLS_DHE_DSS_WITH_AES_256_CBC_SHA0x0038,  /* w */
  TLS_DHE_RSA_WITH_AES_256_CBC_SHA0x0039,  /* x */
  TLS_RSA_WITH_AES_256_CBC_SHA0x0035,      /* y */
  TLS_RSA_WITH_NULL_SHA0x0002,             /* z */
  0
94};

96unsigned long __cmp_umuls;
97PRBool verbose;
98int dumpServerChain = 0;
99int renegotiationsToDo = 0;
100int renegotiationsDone = 0;
101PRBool initializedServerSessionCache = PR_FALSE0;

103static char *progName;
104static const char *requestFile;

106secuPWData pwdata = { PW_NONE, 0 };

108SSLNamedGroup *enabledGroups = NULL((void*)0);
109unsigned int enabledGroupsCount = 0;
110const SSLSignatureScheme *enabledSigSchemes = NULL((void*)0);
111unsigned int enabledSigSchemeCount = 0;
112SECItem psk = { siBuffer, NULL((void*)0), 0 };
113SECItem pskLabel = { siBuffer, NULL((void*)0), 0 };

115const char *
116signatureSchemeName(SSLSignatureScheme scheme)
117{
  switch (scheme) {
119#define strcase(x)    \
  case ssl_sig_##x: \
      return #x
      strcase(none);
      strcase(rsa_pkcs1_sha1);
      strcase(rsa_pkcs1_sha256);
      strcase(rsa_pkcs1_sha384);
      strcase(rsa_pkcs1_sha512);
      strcase(ecdsa_sha1);
      strcase(ecdsa_secp256r1_sha256);
      strcase(ecdsa_secp384r1_sha384);
      strcase(ecdsa_secp521r1_sha512);
      strcase(rsa_pss_rsae_sha256);
      strcase(rsa_pss_rsae_sha384);
      strcase(rsa_pss_rsae_sha512);
      strcase(ed25519);
      strcase(ed448);
      strcase(rsa_pss_pss_sha256);
      strcase(rsa_pss_pss_sha384);
      strcase(rsa_pss_pss_sha512);
      strcase(dsa_sha1);
      strcase(dsa_sha256);
      strcase(dsa_sha384);
      strcase(dsa_sha512);
143#undef strcase
      case ssl_sig_rsa_pkcs1_sha1md5:
          return "RSA PKCS#1 SHA1+MD5";
      default:
          break;
  }
  return "Unknown Scheme";
150}

152void
153printSecurityInfo(PRFileDesc *fd)
154{
  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) {
          FPRINTFif (verbose) fprintf(stderrstderr,
                  "tstclnt: SSL version %d.%d using %d-bit %s with %d-bit %s MAC%s\n",
                  channel.protocolVersion >> 8, channel.protocolVersion & 0xff,
                  suite.effectiveKeyBits, suite.symCipherName,
                  suite.macBits, suite.macAlgorithmName,
                  channel.isFIPS ? " FIPS" : "");
          FPRINTFif (verbose) fprintf(stderrstderr,
                  "tstclnt: Server Auth: %d-bit %s, Key Exchange: %d-bit %s\n"
                  "         Compression: %s, Extended Master Secret: %s\n"
                  "         Signature Scheme: %s\n",
                  channel.authKeyBits, suite.authAlgorithmName,
                  channel.keaKeyBits, suite.keaTypeName,
                  channel.compressionMethodName,
                  channel.extendedMasterSecretUsed ? "Yes" : "No",
                  signatureSchemeName(channel.signatureScheme));
      }
  }
  cert = SSL_RevealCert(fd);
  if (cert) {
      char *ip = CERT_NameToAscii(&cert->issuer);
      char *sp = CERT_NameToAscii(&cert->subject);
      if (sp) {
          fprintf(stderrstderr, "subject DN: %s\n", sp);
          PORT_FreePORT_Free_Util(sp);
      }
      if (ip) {
          fprintf(stderrstderr, "issuer  DN: %s\n", ip);
          PORT_FreePORT_Free_Util(ip);
      }
      CERT_DestroyCertificate(cert);
      cert = NULL((void*)0);
  }
  fprintf(stderrstderr,
          "%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(stderrstderr, "Received %d Cert Status items (OCSP stapled data)\n",
              csa->len);
  }
  scts = SSL_PeerSignedCertTimestamps(fd);
  if (scts && scts->len) {
      fprintf(stderrstderr, "Received a Signed Certificate Timestamp of length"
                      " %u\n",
              scts->len);
  }
  if (channel.peerDelegCred) {
      fprintf(stderrstderr, "Received a Delegated Credential\n");
  }
222}

224static void
225PrintUsageHeader()
226{
  fprintf(stderrstderr,
          "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] [-E]\n"
          "  [-V [min-version]:[max-version]] [-K] [-T] [-U]\n"
          "  [-r N] [-w passwd] [-W pwfile] [-q [-t seconds]]\n"
          "  [-I groups] [-J signatureschemes]\n"
          "  [-A requestfile] [-L totalconnections] [-P {client,server}]\n"
          "  [-N echConfigs] [-Q] [-z externalPsk]\n"
          "  [-i echGreaseSize]\n"
          "\n",
          progName);
239}

241static void
242PrintParameterUsage()
243{
  fprintf(stderrstderr, "%-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(stderrstderr, "%-20s Hostname to connect with\n", "-h host");
  fprintf(stderrstderr, "%-20s Port number for SSL server\n", "-p port");
  fprintf(stderrstderr,
          "%-20s Directory with cert database (default is ~/.netscape)\n",
          "-d certdir");
  fprintf(stderrstderr, "%-20s Run without a cert database\n", "-D");
  fprintf(stderrstderr, "%-20s Load the default \"builtins\" root CA module\n", "-b");
  fprintf(stderrstderr, "%-20s Load the given root CA module\n", "-R");
  fprintf(stderrstderr, "%-20s Print certificate chain information\n", "-C");
  fprintf(stderrstderr, "%-20s (use -C twice to print more certificate details)\n", "");
  fprintf(stderrstderr, "%-20s (use -C three times to include PEM format certificate dumps)\n", "");
  fprintf(stderrstderr, "%-20s Nickname of key and cert\n",
          "-n nickname");
  fprintf(stderrstderr,
          "%-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(stderrstderr, "%-20s Send TLS_FALLBACK_SCSV\n", "-K");
  fprintf(stderrstderr, "%-20s Prints only payload data. Skips HTTP header.\n", "-S");
  fprintf(stderrstderr, "%-20s Client speaks first. \n", "-f");
  fprintf(stderrstderr, "%-20s Use synchronous certificate selection & validation\n", "-O");
  fprintf(stderrstderr, "%-20s Override bad server cert. Make it OK.\n", "-o");
  fprintf(stderrstderr, "%-20s Disable SSL socket locking.\n", "-s");
  fprintf(stderrstderr, "%-20s Verbose progress reporting.\n", "-v");
  fprintf(stderrstderr, "%-20s Ping the server and then exit.\n", "-q");
  fprintf(stderrstderr, "%-20s Timeout for server ping (default: no timeout).\n", "-t seconds");
  fprintf(stderrstderr, "%-20s Renegotiate N times (resuming session if N>1).\n", "-r N");
  fprintf(stderrstderr, "%-20s Enable the session ticket extension.\n", "-u");
  fprintf(stderrstderr, "%-20s Enable false start.\n", "-g");
  fprintf(stderrstderr, "%-20s Enable the cert_status extension (OCSP stapling).\n", "-T");
  fprintf(stderrstderr, "%-20s Enable the signed_certificate_timestamp extension.\n", "-U");
  fprintf(stderrstderr, "%-20s Enable the delegated credentials extension.\n", "-B");
  fprintf(stderrstderr, "%-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(stderrstderr, "%-20s Test -F allows 0=any (default), 1=only OCSP, 2=only CRL\n", "-M");
  fprintf(stderrstderr, "%-20s Restrict ciphers\n", "-c ciphers");
  fprintf(stderrstderr, "%-20s Print cipher values allowed for parameter -c and exit\n", "-Y");
  fprintf(stderrstderr, "%-20s Enforce using an IPv4 destination address\n", "-4");
  fprintf(stderrstderr, "%-20s Enforce using an IPv6 destination address\n", "-6");
  fprintf(stderrstderr, "%-20s (Options -4 and -6 cannot be combined.)\n", "");
  fprintf(stderrstderr, "%-20s Enable the extended master secret extension [RFC7627]\n", "-G");
  fprintf(stderrstderr, "%-20s Require the use of FFDHE supported groups [RFC7919]\n", "-H");
  fprintf(stderrstderr, "%-20s Read from a file instead of stdin\n", "-A");
  fprintf(stderrstderr, "%-20s Allow 0-RTT data (TLS 1.3 only)\n", "-Z");
  fprintf(stderrstderr, "%-20s Disconnect and reconnect up to N times total\n", "-L");
  fprintf(stderrstderr, "%-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"
                  "%-20s xyber768d00\n",
          "-I", "", "", "");
  fprintf(stderrstderr, "%-20s Comma separated list of signature schemes in preference order.\n"
                  "%-20s The following values are valid:\n"
                  "%-20s rsa_pkcs1_sha1, rsa_pkcs1_sha256, rsa_pkcs1_sha384, rsa_pkcs1_sha512,\n"
                  "%-20s ecdsa_sha1, ecdsa_secp256r1_sha256, ecdsa_secp384r1_sha384,\n"
                  "%-20s ecdsa_secp521r1_sha512,\n"
                  "%-20s rsa_pss_rsae_sha256, rsa_pss_rsae_sha384, rsa_pss_rsae_sha512,\n"
                  "%-20s rsa_pss_pss_sha256, rsa_pss_pss_sha384, rsa_pss_pss_sha512,\n"
                  "%-20s dsa_sha1, dsa_sha256, dsa_sha384, dsa_sha512\n",
          "-J", "", "", "", "", "", "", "");
  fprintf(stderrstderr, "%-20s Use DTLS\n", "-P {client, server}");
  fprintf(stderrstderr, "%-20s Exit after handshake\n", "-Q");
  fprintf(stderrstderr, "%-20s Use Encrypted Client Hello with the given Base64-encoded ECHConfigs\n", "-N");
  fprintf(stderrstderr, "%-20s Enable Encrypted Client Hello GREASEing with the given padding size (0-255) \n", "-i");
  fprintf(stderrstderr, "%-20s Enable post-handshake authentication\n"
                  "%-20s for TLS 1.3; need to specify -n\n",
          "-E", "");
  fprintf(stderrstderr, "%-20s Export and print keying material after successful handshake.\n"
                  "%-20s The argument is a comma separated list of exporters in the form:\n"
                  "%-20s   LABEL[:OUTPUT-LENGTH[:CONTEXT]]\n"
                  "%-20s where LABEL and CONTEXT can be either a free-form string or\n"
                  "%-20s a hex string if it is preceded by \"0x\"; OUTPUT-LENGTH\n"
                  "%-20s is a decimal integer.\n",
          "-x", "", "", "", "", "");
  fprintf(stderrstderr,
          "%-20s Configure a TLS 1.3 External PSK with the given hex string for a key\n"
          "%-20s To specify a label, use ':' as a delimiter. For example\n"
          "%-20s 0xAAAABBBBCCCCDDDD:mylabel. Otherwise, the default label of\n"
          "%-20s 'Client_identity' will be used.\n",
          "-z externalPsk", "", "", "");
  fprintf(stderrstderr, "%-20s Enable middlebox compatibility mode (TLS 1.3 only)\n", "-e");
340}

342static void
343Usage()
344{
  PrintUsageHeader();
  PrintParameterUsage();
  exit(1);
348}

350static void
351PrintCipherUsage()
352{
  PrintUsageHeader();
  fprintf(stderrstderr, "%-20s Letter(s) chosen from the following list\n",
          "-c ciphers");
  fprintf(stderrstderr,
          "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);
377}

379void
380milliPause(PRUint32 milli)
381{
  PRIntervalTime ticks = PR_MillisecondsToInterval(milli);
  PR_Sleep(ticks);
384}

386void
387disableAllSSLCiphers()
388{
  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_FALSE0);
      if (rv != SECSuccess) {
          PRErrorCode err = PR_GetError();
          fprintf(stderrstderr,
                  "SSL_CipherPrefSet didn't like value 0x%04x (i = %d): %s\n",
                  suite, i, SECU_Strerror(err)PR_ErrorToString((err), 0));
          exit(2);
      }
  }
405}

407typedef struct
408{
  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;
420} ServerCertAuth;

422/*
* Callback is called when incoming certificate is not valid.
* Returns SECSuccess to accept the cert anyway, SECFailure to reject.
*/
426static SECStatus
427ownBadCertHandler(void *arg, PRFileDesc *socket)
428{
  PRErrorCode err = PR_GetError();
  /* can log invalid cert here */
  fprintf(stderrstderr, "Bad server certificate: %d, %s\n", err,
          SECU_Strerror(err)PR_ErrorToString((err), 0));
  return SECSuccess; /* override, say it's OK. */
434}

436#define EXIT_CODE_SIDECHANNELTEST_GOOD0 0
437#define EXIT_CODE_SIDECHANNELTEST_BADCERT1 1
438#define EXIT_CODE_SIDECHANNELTEST_NODATA2 2
439#define EXIT_CODE_SIDECHANNELTEST_REVOKED3 3

441static void
442verifyFromSideChannel(CERTCertificate *cert, ServerCertAuth *sca)
443{
  PRUint64 revDoNotUse =
      CERT_REV_M_DO_NOT_TEST_USING_THIS_METHOD0UL;

  PRUint64 revUseLocalOnlyAndSoftFail =
      CERT_REV_M_TEST_USING_THIS_METHOD1UL |
      CERT_REV_M_FORBID_NETWORK_FETCHING2UL |
      CERT_REV_M_REQUIRE_INFO_ON_MISSING_SOURCE8UL |
      CERT_REV_M_IGNORE_MISSING_FRESH_INFO0UL |
      CERT_REV_M_STOP_TESTING_ON_FRESH_INFO0UL;

  PRUint64 revUseLocalOnlyAndHardFail =
      CERT_REV_M_TEST_USING_THIS_METHOD1UL |
      CERT_REV_M_FORBID_NETWORK_FETCHING2UL |
      CERT_REV_M_REQUIRE_INFO_ON_MISSING_SOURCE8UL |
      CERT_REV_M_FAIL_ON_MISSING_FRESH_INFO16UL |
      CERT_REV_M_STOP_TESTING_ON_FRESH_INFO0UL;

  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_FIRST1UL |
      CERT_REV_MI_NO_OVERALL_INFO_REQUIREMENT0UL;

  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_FIRST1UL |
      CERT_REV_MI_NO_OVERALL_INFO_REQUIREMENT0UL;

  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_FIRST1UL |
      CERT_REV_MI_REQUIRE_SOME_FRESH_INFO_AVAILABLE2UL;

  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(0x0002),
                           cvin, cvout, NULL((void*)0));
  if (rv != SECSuccess) {
      sca->sideChannelRevocationTestResultCode =
          EXIT_CODE_SIDECHANNELTEST_BADCERT1;
      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(0x0002),
                           cvin, cvout, NULL((void*)0));
  if (rv == SECSuccess) {
      sca->sideChannelRevocationTestResultCode =
          EXIT_CODE_SIDECHANNELTEST_GOOD0;
      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(0x0002),
                           cvin, cvout, NULL((void*)0));
  if (rv == SECSuccess) {
      sca->sideChannelRevocationTestResultCode =
          EXIT_CODE_SIDECHANNELTEST_NODATA2;
      return;
  }

  sca->sideChannelRevocationTestResultCode =
      EXIT_CODE_SIDECHANNELTEST_REVOKED3;
583}

585static void
586dumpCertificatePEM(CERTCertificate *cert)
587{
  SECItem data;
  data.data = cert->derCert.data;
  data.len = cert->derCert.len;
  fprintf(stderrstderr, "%s\n%s\n%s\n", NS_CERT_HEADER"-----BEGIN CERTIFICATE-----",
          BTOA_DataToAsciiBTOA_DataToAscii_Util(data.data, data.len), NS_CERT_TRAILER"-----END CERTIFICATE-----");
593}

595static void
596dumpServerCertificateChain(PRFileDesc *fd)
597{
  CERTCertList *peerCertChain = NULL((void*)0);
  CERTCertListNode *node = NULL((void*)0);
  CERTCertificate *peerCert = NULL((void*)0);
  CERTCertificateList *foundChain = NULL((void*)0);
  SECU_PPFunc dumpFunction = NULL((void*)0);
  PRBool dumpCertPEM = PR_FALSE0;

  if (!dumpServerChain) {
      return;
  } else if (dumpServerChain == 1) {
      dumpFunction = (SECU_PPFunc)SECU_PrintCertificateBasicInfo;
  } else {
      dumpFunction = (SECU_PPFunc)SECU_PrintCertificate;
      if (dumpServerChain > 2) {
          dumpCertPEM = PR_TRUE1;
      }
  }

  SECU_EnableWrap(PR_FALSE0);

  fprintf(stderrstderr, "==== certificate(s) sent by server: ====\n");
  peerCertChain = SSL_PeerCertificateChain(fd);
  if (peerCertChain) {
      node = CERT_LIST_HEAD(peerCertChain)((CERTCertListNode *)(&peerCertChain->list)->next);
      while (!CERT_LIST_END(node, peerCertChain)(((void *)node) == ((void *)&peerCertChain->list))) {
          CERTCertificate *cert = node->cert;
          SECU_PrintSignedContent(stderrstderr, &cert->derCert, "Certificate", 0,
                                  dumpFunction);
          if (dumpCertPEM) {
              dumpCertificatePEM(cert);
          }
          node = CERT_LIST_NEXT(node)((CERTCertListNode *)node->links.next);
      }
  }

  if (peerCertChain) {
      peerCert = SSL_RevealCert(fd);
      if (peerCert) {
          foundChain = CERT_CertChainFromCert(peerCert, certificateUsageSSLServer(0x0002),
                                              PR_TRUE1);
      }
      if (foundChain) {
          unsigned int count = 0;
          fprintf(stderrstderr, "==== locally found issuer certificate(s): ====\n");
          for (count = 0; count < (unsigned int)foundChain->len; count++) {
              CERTCertificate *c;
              PRBool wasSentByServer = PR_FALSE0;
              c = CERT_FindCertByDERCert(CERT_GetDefaultCertDB(), &foundChain->certs[count]);

              node = CERT_LIST_HEAD(peerCertChain)((CERTCertListNode *)(&peerCertChain->list)->next);
              while (!CERT_LIST_END(node, peerCertChain)(((void *)node) == ((void *)&peerCertChain->list))) {
                  CERTCertificate *cert = node->cert;
                  if (CERT_CompareCerts(cert, c)) {
                      wasSentByServer = PR_TRUE1;
                      break;
                  }
                  node = CERT_LIST_NEXT(node)((CERTCertListNode *)node->links.next);
              }

              if (!wasSentByServer) {
                  SECU_PrintSignedContent(stderrstderr, &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((void*)0);
  }

  fprintf(stderrstderr, "==== end of certificate chain information ====\n");
  fflush(stderrstderr);
678}

680static SECStatus
681ownAuthCertificate(void *arg, PRFileDesc *fd, PRBool checkSig,
                 PRBool isServer)
683{
  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_SetErrorPORT_SetError_Util(0);
              if (CERT_CacheOCSPResponseFromSideChannel(
                      serverCertAuth->dbHandle, cert, PR_Now(),
                      &csa->items[i], arg) != SECSuccess) {
                  PORT_Assert(PR_GetError() != 0)((PR_GetError() != 0)?((void)0):PR_Assert("PR_GetError() != 0"
,"tstclnt.c",717));
              }
          }
      }

      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;
  }

  FPRINTFif (verbose) fprintf(stderrstderr, "%s: using asynchronous certificate validation\n",
          progName);

  PORT_Assert(!serverCertAuth->isPaused)((!serverCertAuth->isPaused)?((void)0):PR_Assert("!serverCertAuth->isPaused"
,"tstclnt.c",734));
  serverCertAuth->isPaused = PR_TRUE1;
  return SECWouldBlock;
737}

739struct clientCertAsyncParamsStr {
  void *arg;                        /* The nickname used for selection, not owned */
  struct CERTDistNamesStr *caNames; /* CA Names specified by Server, owned. */
742};

744/* tstclnt can only have a single handshake in progress at any instant. */
745PRBool clientCertAsyncSelect = PR_TRUE1; /* Async by default */
746PRBool clientCertIsBlocked = PR_FALSE0;  /* Whether we waiting to finish ClientAuth */
747struct clientCertAsyncParamsStr *clientCertParams = NULL((void*)0);

749SECStatus
750own_CompleteClientAuthData(PRFileDesc *fd, struct clientCertAsyncParamsStr *args)
751{
  SECStatus rv;
  CERTCertificate *pRetCert = NULL((void*)0);
  SECKEYPrivateKey *pRetKey = NULL((void*)0);
  rv = NSS_GetClientAuthData(args->arg, fd, args->caNames, &pRetCert, &pRetKey);
93
←
Access to field 'arg' results in a dereference of a null pointer (loaded from variable 'args')
  if (rv != SECSuccess) {
      fprintf(stderrstderr, "Failed to load a suitable client certificate \n");
  }
  return SSL_ClientCertCallbackComplete(fd, rv, pRetKey, pRetCert);
760}

762SECStatus
763restartHandshakeAfterClientCertIfNeeded(PRFileDesc *fd)
764{
  if (!clientCertIsBlocked) {
80
←
Assuming 'clientCertIsBlocked' is not equal to 0→
81
←
Taking false branch→
89
←
Assuming 'clientCertIsBlocked' is not equal to 0→
90
←
Taking false branch→
      return SECFailure;
  }
  clientCertIsBlocked = PR_FALSE0;
  own_CompleteClientAuthData(fd, clientCertParams);
91
←
Passing null pointer value via 2nd parameter 'args'→
92
←
Calling 'own_CompleteClientAuthData'→
  CERT_FreeDistNames(clientCertParams->caNames);
  PORT_FreePORT_Free_Util(clientCertParams);
  clientCertParams = NULL((void*)0);
82
←
Null pointer value stored to 'clientCertParams'→
  return SECSuccess;
774}

776SECStatus
777own_GetClientAuthData(void *arg,
                    PRFileDesc *socket,
                    struct CERTDistNamesStr *caNames,
                    struct CERTCertificateStr **pRetCert,
                    struct SECKEYPrivateKeyStr **pRetKey)
782{
  if (clientCertAsyncSelect) {
      PR_ASSERT(!clientCertIsBlocked)((!clientCertIsBlocked)?((void)0):PR_Assert("!clientCertIsBlocked"
,"tstclnt.c",784));
      PR_ASSERT(!clientCertParams)((!clientCertParams)?((void)0):PR_Assert("!clientCertParams",
"tstclnt.c",785));

      clientCertIsBlocked = PR_TRUE1;
      clientCertParams = PORT_AllocPORT_Alloc_Util(sizeof(struct clientCertAsyncParamsStr));
      if (!clientCertParams) {
          fprintf(stderrstderr, "Unable to allocate buffer for client cert callback\n");
          exit(1);
      }

      clientCertParams->arg = arg;
      clientCertParams->caNames = caNames ? CERT_DupDistNames(caNames) : NULL((void*)0);
      if (caNames && !clientCertParams->caNames) {
          fprintf(stderrstderr, "Unable to allocate buffer for client cert callback\n");
          exit(1);
      }
      return SECWouldBlock;
  }

  if (verbose > 1) {
      SECStatus rv;
      fprintf(stderrstderr, "Server requested Client Authentication\n");
      if (caNames && caNames->nnames > 0) {
          PLArenaPool *arena = caNames->arena;
          if (!arena)
              arena = PORT_NewArenaPORT_NewArena_Util(2048);
          if (arena) {
              int i;
              for (i = 0; i < caNames->nnames; ++i) {
                  char *nameString;
                  CERTName dn;
                  rv = SEC_QuickDERDecodeItemSEC_QuickDERDecodeItem_Util(arena,
                                              &dn,
                                              SEC_ASN1_GET(CERT_NameTemplate)CERT_NameTemplate,
                                              caNames->names + i);
                  if (rv != SECSuccess)
                      continue;
                  nameString = CERT_NameToAscii(&dn);
                  if (!nameString)
                      continue;
                  fprintf(stderrstderr, "CA[%d]: %s\n", i + 1, nameString);
                  PORT_FreePORT_Free_Util(nameString);
              }
              if (!caNames->arena) {
                  PORT_FreeArenaPORT_FreeArena_Util(arena, PR_FALSE0);
              }
          }
      }
      rv = NSS_GetClientAuthData(arg, socket, caNames, pRetCert, pRetKey);
      if (rv == SECSuccess && *pRetCert) {
          char *nameString = CERT_NameToAscii(&((*pRetCert)->subject));
          if (nameString) {
              fprintf(stderrstderr, "sent cert: %s\n", nameString);
              PORT_FreePORT_Free_Util(nameString);
          }
      } else {
          fprintf(stderrstderr, "send no cert\n");
      }
      return rv;
  }
  return NSS_GetClientAuthData(arg, socket, caNames, pRetCert, pRetKey);
845}

847#if defined(WIN32) || defined(OS2)
848void
849thread_main(void *arg)
850{
  PRFileDesc *ps = (PRFileDesc *)arg;
  PRFileDesc *std_in;
  int wc, rc;
  char buf[256];

  if (requestFile) {
      std_in = PR_Open(requestFile, PR_RDONLY0x01, 0);
  } else {
      std_in = PR_GetSpecialFD(PR_StandardInput);
  }

862#ifdef WIN32
  if (!requestFile) {
      /* Put stdin into O_BINARY mode
      ** or else incoming \r\n's will become \n's.
      */
      int smrv = _setmode(_fileno(stdinstdin), _O_BINARY);
      if (smrv == -1) {
          fprintf(stderrstderr,
                  "%s: Cannot change stdin to binary mode. Use -i option instead.\n",
                  progName);
          /* plow ahead anyway */
      }
  }
875#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);
  if (requestFile) {
      PR_Close(std_in);
  }
887}

889#endif

891static void
892printHostNameAndAddr(const char *host, const PRNetAddr *addr)
893{
  PRUint16 port = PR_NetAddrInetPort(addr)((addr)->raw.family == 10 ? (addr)->ipv6.port : (addr)->
inet.port);
  char addrBuf[80];
  PRStatus st = PR_NetAddrToString(addr, addrBuf, sizeof addrBuf);

  if (st == PR_SUCCESS) {
      port = PR_ntohs(port);
      FPRINTFif (verbose) fprintf(stderrstderr, "%s: connecting to %s:%hu (address=%s)\n",
              progName, host, port, addrBuf);
  }
903}

905/*
*  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.
*/
911static void
912separateReqHeader(const PRFileDesc *outFd, const char *buf, const int nb,
                PRBool *wrStarted, int *ptrnMatched)
914{

  /* 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)((*ptrnMatched < 3)?((void)0):PR_Assert("*ptrnMatched < 3"
,"tstclnt.c",928));

      /* 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_TRUE1;
              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((void*)0)) {
      /* 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_TRUE1;
      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;
          }
      }
  }
981}

983#define SSOCK_FD0 0
984#define STDIN_FD1 1

986#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(); }                   \
  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();                               \
  }

997static SECStatus
998restartHandshakeAfterServerCertIfNeeded(PRFileDesc *fd,
                                      ServerCertAuth *serverCertAuth,
                                      PRBool override)
1001{
  SECStatus rv;
  PRErrorCode error = 0;

  if (!serverCertAuth->isPaused || clientCertIsBlocked)
      return SECSuccess;

  FPRINTFif (verbose) fprintf(stderrstderr, "%s: handshake was paused by auth certificate hook\n",
          progName);

  serverCertAuth->isPaused = PR_FALSE0;
  rv = SSL_AuthCertificate(serverCertAuth->dbHandle, fd, PR_TRUE1, PR_FALSE0);
  if (rv != SECSuccess) {
      error = PR_GetError();
      if (error == 0) {
          PR_NOT_REACHED("SSL_AuthCertificate return SECFailure without "PR_Assert("SSL_AuthCertificate return SECFailure without " "setting error code."
,"tstclnt.c",1017)
                         "setting error code.")PR_Assert("SSL_AuthCertificate return SECFailure without " "setting error code."
,"tstclnt.c",1017);
          error = PR_INVALID_STATE_ERROR(-5931L);
      } else if (override) {
          rv = ownBadCertHandler(NULL((void*)0), fd);
      }
  }
  if (rv == SECSuccess) {
      error = 0;
  }

  if (SSL_AuthCertificateComplete(fd, error) != SECSuccess) {
      rv = SECFailure;
  } else {
      /* restore the original error code, which could be reset by
       * SSL_AuthCertificateComplete */
      PORT_SetErrorPORT_SetError_Util(error);
  }

  return rv;
1036}

1038char *host = NULL((void*)0);
1039char *nickname = NULL((void*)0);
1040char *cipherString = NULL((void*)0);
1041int multiplier = 0;
1042SSLVersionRange enabledVersions;
1043int disableLocking = 0;
1044int enableSessionTickets = 0;
1045int enableFalseStart = 0;
1046int enableCertStatus = 0;
1047int enableSignedCertTimestamps = 0;
1048int forceFallbackSCSV = 0;
1049int enableExtendedMasterSecret = 0;
1050PRBool requireDHNamedGroups = 0;
1051PRBool middleboxCompatMode = 0;
1052PRSocketOptionData opt;
1053PRNetAddr addr;
1054PRBool allowIPv4 = PR_TRUE1;
1055PRBool allowIPv6 = PR_TRUE1;
1056PRBool pingServerFirst = PR_FALSE0;
1057int pingTimeoutSeconds = -1;
1058PRBool clientSpeaksFirst = PR_FALSE0;
1059PRBool skipProtoHeader = PR_FALSE0;
1060ServerCertAuth serverCertAuth;
1061char *hs1SniHostName = NULL((void*)0);
1062char *hs2SniHostName = NULL((void*)0);
1063PRUint16 portno = 443;
1064int override = 0;
1065PRBool enableZeroRtt = PR_FALSE0;
1066PRUint8 *zeroRttData;
1067unsigned int zeroRttLen = 0;
1068PRBool enableAltServerHello = PR_FALSE0;
1069PRBool useDTLS = PR_FALSE0;
1070PRBool actAsServer = PR_FALSE0;
1071PRBool stopAfterHandshake = PR_FALSE0;
1072PRBool requestToExit = PR_FALSE0;
1073char *versionString = NULL((void*)0);
1074PRBool handshakeComplete = PR_FALSE0;
1075char *echConfigs = NULL((void*)0);
1076PRUint16 echGreaseSize = 0;
1077PRBool enablePostHandshakeAuth = PR_FALSE0;
1078PRBool enableDelegatedCredentials = PR_FALSE0;
1079const secuExporter *enabledExporters = NULL((void*)0);
1080unsigned int enabledExporterCount = 0;

1082static int
1083writeBytesToServer(PRFileDesc *s, const PRUint8 *buf, int nb)
1084{
  SECStatus rv;
  const PRUint8 *bufp = buf;
  PRPollDesc pollDesc;

  pollDesc.in_flags = PR_POLL_WRITE0x2 | PR_POLL_EXCEPT0x4;
  pollDesc.out_flags = 0;
  pollDesc.fd = s;

  FPRINTFif (verbose) fprintf(stderrstderr, "%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(-5998L)) {
              SECU_PrintError(progName, "write to SSL socket failed");
              return 254;
          }
          cc = 0;
      }
      FPRINTFif (verbose) fprintf(stderrstderr, "%s: %d bytes written\n", progName, cc);
      if (enableZeroRtt && !handshakeComplete) {
          if (zeroRttLen + cc > ZERO_RTT_MAX(2 << 16)) {
              SECU_PrintError(progName, "too much early data to save");
              return -1;
          }
          PORT_Memcpymemcpy(zeroRttData + zeroRttLen, bufp, cc);
          zeroRttLen += cc;
      }
      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_FAILED254;
      }

      rv = restartHandshakeAfterClientCertIfNeeded(s);
      if (rv == SECSuccess) {
          continue;
      }

      pollDesc.in_flags = PR_POLL_WRITE0x2 | PR_POLL_EXCEPT0x4;
      pollDesc.out_flags = 0;
      FPRINTFif (verbose) fprintf(stderrstderr,
              "%s: about to call PR_Poll on writable socket !\n",
              progName);
      cc = PR_Poll(&pollDesc, 1, PR_INTERVAL_NO_TIMEOUT0xffffffffUL);
      if (cc < 0) {
          SECU_PrintError(progName, "PR_Poll failed");
          return -1;
      }
      FPRINTFif (verbose) fprintf(stderrstderr,
              "%s: PR_Poll returned with writable socket !\n",
              progName);
  } while (1);

  return 0;
1147}

1149void
1150handshakeCallback(PRFileDesc *fd, void *client_data)
1151{
  const char *secondHandshakeName = (char *)client_data;
  if (secondHandshakeName) {
      SSL_SetURL(fd, secondHandshakeName);
  }
  printSecurityInfo(fd);
  if (renegotiationsDone < renegotiationsToDo) {
      SSL_ReHandshake(fd, (renegotiationsToDo < 2));
      ++renegotiationsDone;
  }
  if (zeroRttLen) {
      /* This data was sent in 0-RTT. */
      SSLChannelInfo info;
      SECStatus rv;

      rv = SSL_GetChannelInfo(fd, &info, sizeof(info));
      if (rv != SECSuccess)
          return;

      if (!info.earlyDataAccepted) {
          FPRINTFif (verbose) fprintf(stderrstderr, "Early data rejected. Re-sending %d bytes\n",
                  zeroRttLen);
          writeBytesToServer(fd, zeroRttData, zeroRttLen);
          zeroRttLen = 0;
      }
  }
  if (stopAfterHandshake) {
      requestToExit = PR_TRUE1;
  }
  handshakeComplete = PR_TRUE1;

  if (enabledExporters) {
      SECStatus rv;

      rv = exportKeyingMaterials(fd, enabledExporters, enabledExporterCount);
      if (rv != SECSuccess) {
          PRErrorCode err = PR_GetError();
          FPRINTFif (verbose) fprintf(stderrstderr,
                  "couldn't export keying material: %s\n",
                  SECU_Strerror(err)PR_ErrorToString((err), 0));
      }
  }
1193}

1195static SECStatus
1196installServerCertificate(PRFileDesc *s, char *nick)
1197{
  CERTCertificate *cert;
  SECKEYPrivateKey *privKey = NULL((void*)0);

  if (!nick) {
      PORT_SetErrorPORT_SetError_Util(SEC_ERROR_INVALID_ARGS);
      return SECFailure;
  }

  cert = PK11_FindCertFromNickname(nick, &pwdata);
  if (cert == NULL((void*)0)) {
      return SECFailure;
  }

  privKey = PK11_FindKeyByAnyCert(cert, &pwdata);
  if (privKey == NULL((void*)0)) {
      return SECFailure;
  }
  if (SSL_ConfigServerCert(s, cert, privKey, NULL((void*)0), 0) != SECSuccess) {
      return SECFailure;
  }
  SECKEY_DestroyPrivateKey(privKey);
  CERT_DestroyCertificate(cert);

  return SECSuccess;
1222}

1224static SECStatus
1225bindToClient(PRFileDesc *s)
1226{
  PRStatus status;
  status = PR_Bind(s, &addr);
  if (status != PR_SUCCESS) {
      return SECFailure;
  }

  for (;;) {
      /* Bind the remote address on first packet. This must happen
       * before we SSL-ize the socket because we need to get the
       * peer's address before SSLizing. Recvfrom gives us that
       * while not consuming any data. */
      unsigned char tmp;
      PRNetAddr remote;
      int nb;

      nb = PR_RecvFrom(s, &tmp, 1, PR_MSG_PEEK0x2,
                       &remote, PR_INTERVAL_NO_TIMEOUT0xffffffffUL);
      if (nb != 1)
          continue;

      status = PR_Connect(s, &remote, PR_INTERVAL_NO_TIMEOUT0xffffffffUL);
      if (status != PR_SUCCESS) {
          SECU_PrintError(progName, "server bind to remote end failed");
          return SECFailure;
      }
      return SECSuccess;
  }

  /* Unreachable. */
1256}

1258static SECStatus
1259connectToServer(PRFileDesc *s, PRPollDesc *pollset)
1260{
  PRStatus status;
  PRInt32 filesReady;

  status = PR_Connect(s, &addr, PR_INTERVAL_NO_TIMEOUT0xffffffffUL);
  if (status != PR_SUCCESS) {
      if (PR_GetError() == PR_IN_PROGRESS_ERROR(-5934L)) {
          if (verbose)
              SECU_PrintError(progName, "connect");
          milliPause(50 * multiplier);
          pollset[SSOCK_FD0].in_flags = PR_POLL_WRITE0x2 | PR_POLL_EXCEPT0x4;
          pollset[SSOCK_FD0].out_flags = 0;
          pollset[SSOCK_FD0].fd = s;
          while (1) {
              FPRINTFif (verbose) fprintf(stderrstderr,
                      "%s: about to call PR_Poll for connect completion!\n",
                      progName);
              filesReady = PR_Poll(pollset, 1, PR_INTERVAL_NO_TIMEOUT0xffffffffUL);
              if (filesReady < 0) {
                  SECU_PrintError(progName, "unable to connect (poll)");
                  return SECFailure;
              }
              FPRINTFif (verbose) fprintf(stderrstderr,
                      "%s: PR_Poll returned 0x%02x for socket out_flags.\n",
                      progName, pollset[SSOCK_FD0].out_flags);
              if (filesReady == 0) { /* shouldn't happen! */
                  SECU_PrintError(progName, "%s: PR_Poll returned zero!\n");
                  return SECFailure;
              }
              status = PR_GetConnectStatus(pollset);
              if (status == PR_SUCCESS) {
                  break;
              }
              if (PR_GetError() != PR_IN_PROGRESS_ERROR(-5934L)) {
                  SECU_PrintError(progName, "unable to connect (poll)");
                  return SECFailure;
              }
              SECU_PrintError(progName, "poll");
              milliPause(50 * multiplier);
          }
      } else {
          SECU_PrintError(progName, "unable to connect");
          return SECFailure;
      }
  }

  return SECSuccess;
1307}

1309static SECStatus
1310importPsk(PRFileDesc *s)
1311{
  SECU_PrintAsHex(stdoutstdout, &psk, "Using External PSK", 0);
  PK11SlotInfo *slot = NULL((void*)0);
  PK11SymKey *symKey = NULL((void*)0);
  slot = PK11_GetInternalSlot();
  if (!slot) {
      SECU_PrintError(progName, "PK11_GetInternalSlot failed");
      return SECFailure;
  }
  symKey = PK11_ImportSymKey(slot, CKM_HKDF_KEY_GEN0x0000402cUL, PK11_OriginUnwrap,
                             CKA_DERIVE0x0000010CUL, &psk, NULL((void*)0));
  PK11_FreeSlot(slot);
  if (!symKey) {
      SECU_PrintError(progName, "PK11_ImportSymKey failed");
      return SECFailure;
  }

  SECStatus rv = SSL_AddExternalPsk(s, symKey, (const PRUint8 *)pskLabel.data,(SSL_GetExperimentalAPI("SSL_AddExternalPsk") ? ((SECStatus(*
) (PRFileDesc * _fd, PK11SymKey * _psk, const PRUint8 *_identity
, unsigned int _identityLen, SSLHashType _hash))SSL_GetExperimentalAPI
("SSL_AddExternalPsk"))(s, symKey, (const PRUint8 *)pskLabel.
data, pskLabel.len, ssl_hash_sha256) : SECFailure)
                                    pskLabel.len, ssl_hash_sha256)(SSL_GetExperimentalAPI("SSL_AddExternalPsk") ? ((SECStatus(*
) (PRFileDesc * _fd, PK11SymKey * _psk, const PRUint8 *_identity
, unsigned int _identityLen, SSLHashType _hash))SSL_GetExperimentalAPI
("SSL_AddExternalPsk"))(s, symKey, (const PRUint8 *)pskLabel.
data, pskLabel.len, ssl_hash_sha256) : SECFailure);
  PK11_FreeSymKey(symKey);
  return rv;
1332}

1334static SECStatus
1335printEchRetryConfigs(PRFileDesc *s)
1336{
  if (PORT_GetErrorPORT_GetError_Util() == SSL_ERROR_ECH_RETRY_WITH_ECH) {
      SECItem retries = { siBuffer, NULL((void*)0), 0 };
      SECStatus rv = SSL_GetEchRetryConfigs(s, &retries)(SSL_GetExperimentalAPI("SSL_GetEchRetryConfigs") ? ((SECStatus
(*) (PRFileDesc * _fd, SECItem * _out))SSL_GetExperimentalAPI
("SSL_GetEchRetryConfigs"))(s, &retries) : SECFailure);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "SSL_GetEchRetryConfigs failed");
          return SECFailure;
      }
      char *retriesBase64 = NSSBase64_EncodeItemNSSBase64_EncodeItem_Util(NULL((void*)0), NULL((void*)0), 0, &retries);
      if (!retriesBase64) {
          SECU_PrintError(progName, "NSSBase64_EncodeItem on retry_configs failed");
          SECITEM_FreeItemSECITEM_FreeItem_Util(&retries, PR_FALSE0);
          return SECFailure;
      }

      // Remove the newline characters that NSSBase64_EncodeItem unhelpfully inserts.
      char *newline = strstr(retriesBase64, "\r\n");
      if (newline) {
          memmove(newline, newline + 2, strlen(newline + 2) + 1);
      }
      fprintf(stderrstderr, "Received ECH retry_configs: \n%s\n", retriesBase64);
      PORT_FreePORT_Free_Util(retriesBase64);
      SECITEM_FreeItemSECITEM_FreeItem_Util(&retries, PR_FALSE0);
  }
  return SECSuccess;
1361}

1363static int
1364run()
1365{
  int headerSeparatorPtrnId = 0;
  int error = 0;
  SECStatus rv;
  PRStatus status;
  PRInt32 filesReady;
  PRFileDesc *s = NULL((void*)0);
  PRFileDesc *std_out;
  PRPollDesc pollset[2] = { { 0 }, { 0 } };
  PRBool wrStarted = PR_FALSE0;

  handshakeComplete = PR_FALSE0;

  /* Create socket */
  if (useDTLS) {
1
Assuming 'useDTLS' is 0→
2
←
Taking false branch→
      s = PR_OpenUDPSocket(addr.raw.family);
  } else {
      s = PR_OpenTCPSocket(addr.raw.family);
  }

  if (s == NULL((void*)0)) {
3
←
Assuming 's' is not equal to NULL→
4
←
Taking false branch→
      SECU_PrintError(progName, "error creating socket");
      error = 1;
      goto done;
  }

  if (actAsServer) {
5
←
Assuming 'actAsServer' is 0→
6
←
Taking false branch→
      if (bindToClient(s) != SECSuccess) {
          return 1;
      }
  }
  opt.option = PR_SockOpt_Nonblocking;
  opt.value.non_blocking = PR_TRUE1; /* default */
  if (serverCertAuth.testFreshStatusFromSideChannel) {
7
←
Assuming field 'testFreshStatusFromSideChannel' is 0→
8
←
Taking false branch→
      opt.value.non_blocking = PR_FALSE0;
  }
  status = PR_SetSocketOption(s, &opt);
  if (status != PR_SUCCESS) {
9
←
Assuming 'status' is equal to PR_SUCCESS→
10
←
Taking false branch→
      SECU_PrintError(progName, "error setting socket options");
      error = 1;
      goto done;
  }

  if (useDTLS) {
11
←
Assuming 'useDTLS' is 0→
12
←
Taking false branch→
      s = DTLS_ImportFD(NULL((void*)0), s);
  } else {
      s = SSL_ImportFD(NULL((void*)0), s);
  }
  if (s == NULL((void*)0)) {
13
←
Assuming 's' is not equal to NULL→
14
←
Taking false branch→
      SECU_PrintError(progName, "error importing socket");
      error = 1;
      goto done;
  }
  SSL_SetPKCS11PinArg(s, &pwdata);

  rv = SSL_OptionSet(s, SSL_SECURITY1, 1);
  if (rv != SECSuccess) {
15
←
Assuming 'rv' is equal to SECSuccess→
16
←
Taking false branch→
      SECU_PrintError(progName, "error enabling socket");
      error = 1;
      goto done;
  }

  rv = SSL_OptionSet(s, actAsServer ? SSL_HANDSHAKE_AS_SERVER6 : SSL_HANDSHAKE_AS_CLIENT5, 1);
17
←
Assuming 'actAsServer' is 0→
18
←
'?' condition is false→
  if (rv != SECSuccess) {
19
←
Assuming 'rv' is equal to SECSuccess→
20
←
Taking false branch→
      SECU_PrintError(progName, "error enabling client handshake");
      error = 1;
      goto done;
  }

  /* all SSL3 cipher suites are enabled by default. */
  if (cipherString) {
21
←
Assuming 'cipherString' is null→
22
←
Taking false branch→
      char *cstringSaved = cipherString;
      int ndx;

      while (0 != (ndx = *cipherString++)) {
          int cipher = 0;

          if (ndx == ':') {
              int ctmp = 0;

              HEXCHAR_TO_INT(*cipherString, ctmp)if (((*cipherString) >= '0') && ((*cipherString) <=
 '9')) { ctmp = (*cipherString) - '0'; } else if (((*cipherString
) >= 'a') && ((*cipherString) <= 'f')) { ctmp =
 (*cipherString) - 'a' + 10; } else if (((*cipherString) >=
 'A') && ((*cipherString) <= 'F')) { ctmp = (*cipherString
) - 'A' + 10; } else { Usage(); }
              cipher |= (ctmp << 12);
              cipherString++;
              HEXCHAR_TO_INT(*cipherString, ctmp)if (((*cipherString) >= '0') && ((*cipherString) <=
 '9')) { ctmp = (*cipherString) - '0'; } else if (((*cipherString
) >= 'a') && ((*cipherString) <= 'f')) { ctmp =
 (*cipherString) - 'a' + 10; } else if (((*cipherString) >=
 'A') && ((*cipherString) <= 'F')) { ctmp = (*cipherString
) - 'A' + 10; } else { Usage(); }
              cipher |= (ctmp << 8);
              cipherString++;
              HEXCHAR_TO_INT(*cipherString, ctmp)if (((*cipherString) >= '0') && ((*cipherString) <=
 '9')) { ctmp = (*cipherString) - '0'; } else if (((*cipherString
) >= 'a') && ((*cipherString) <= 'f')) { ctmp =
 (*cipherString) - 'a' + 10; } else if (((*cipherString) >=
 'A') && ((*cipherString) <= 'F')) { ctmp = (*cipherString
) - 'A' + 10; } else { Usage(); }
              cipher |= (ctmp << 4);
              cipherString++;
              HEXCHAR_TO_INT(*cipherString, ctmp)if (((*cipherString) >= '0') && ((*cipherString) <=
 '9')) { ctmp = (*cipherString) - '0'; } else if (((*cipherString
) >= 'a') && ((*cipherString) <= 'f')) { ctmp =
 (*cipherString) - 'a' + 10; } else if (((*cipherString) >=
 'A') && ((*cipherString) <= 'F')) { ctmp = (*cipherString
) - 'A' + 10; } else { Usage(); }
              cipher |= ctmp;
              cipherString++;
          } else {
              if (!isalpha(ndx)((*__ctype_b_loc ())[(int) ((ndx))] & (unsigned short int
) _ISalpha))
                  Usage();
              ndx = tolower(ndx) - 'a';
              if (ndx < PR_ARRAY_SIZE(ssl3CipherSuites)(sizeof(ssl3CipherSuites)/sizeof((ssl3CipherSuites)[0]))) {
                  cipher = ssl3CipherSuites[ndx];
              }
          }
          if (cipher > 0) {
              rv = SSL_CipherPrefSet(s, cipher, SSL_ALLOWED1);
              if (rv != SECSuccess) {
                  SECU_PrintError(progName, "SSL_CipherPrefSet()");
                  error = 1;
                  goto done;
              }
          } else {
              Usage();
          }
      }
      PORT_FreePORT_Free_Util(cstringSaved);
  }

  rv = SSL_VersionRangeSet(s, &enabledVersions);
  if (rv != SECSuccess) {
23
←
Assuming 'rv' is equal to SECSuccess→
24
←
Taking false branch→
      SECU_PrintError(progName, "error setting SSL/TLS version range ");
      error = 1;
      goto done;
  }

  /* disable SSL socket locking */
  rv = SSL_OptionSet(s, SSL_NO_LOCKS17, disableLocking);
  if (rv != SECSuccess) {
25
←
Assuming 'rv' is equal to SECSuccess→
26
←
Taking false branch→
      SECU_PrintError(progName, "error disabling SSL socket locking");
      error = 1;
      goto done;
  }

  /* enable Session Ticket extension. */
  rv = SSL_OptionSet(s, SSL_ENABLE_SESSION_TICKETS18, enableSessionTickets);
  if (rv != SECSuccess) {
27
←
Assuming 'rv' is equal to SECSuccess→
28
←
Taking false branch→
      SECU_PrintError(progName, "error enabling Session Ticket extension");
      error = 1;
      goto done;
  }

  /* enable false start. */
  rv = SSL_OptionSet(s, SSL_ENABLE_FALSE_START22, enableFalseStart);
  if (rv != SECSuccess) {
29
←
Assuming 'rv' is equal to SECSuccess→
30
←
Taking false branch→
      SECU_PrintError(progName, "error enabling false start");
      error = 1;
      goto done;
  }

  if (forceFallbackSCSV) {
31
←
Assuming 'forceFallbackSCSV' is 0→
32
←
Taking false branch→
      rv = SSL_OptionSet(s, SSL_ENABLE_FALLBACK_SCSV28, PR_TRUE1);
      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_STAPLING24, enableCertStatus);
  if (rv != SECSuccess) {
33
←
Assuming 'rv' is equal to SECSuccess→
34
←
Taking false branch→
      SECU_PrintError(progName, "error enabling cert status (OCSP stapling)");
      error = 1;
      goto done;
  }

  /* enable negotiation of delegated credentials (draft-ietf-tls-subcerts) */
  rv = SSL_OptionSet(s, SSL_ENABLE_DELEGATED_CREDENTIALS40, enableDelegatedCredentials);
  if (rv != SECSuccess) {
35
←
Assuming 'rv' is equal to SECSuccess→
36
←
Taking false branch→
      SECU_PrintError(progName, "error enabling delegated credentials");
      error = 1;
      goto done;
  }

  /* enable extended master secret mode */
  if (enableExtendedMasterSecret) {
37
←
Assuming 'enableExtendedMasterSecret' is 0→
38
←
Taking false branch→
      rv = SSL_OptionSet(s, SSL_ENABLE_EXTENDED_MASTER_SECRET30, PR_TRUE1);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "error enabling extended master secret");
          error = 1;
          goto done;
      }
  }

  /* enable 0-RTT (TLS 1.3 only) */
  if (enableZeroRtt) {
39
←
Assuming 'enableZeroRtt' is 0→
40
←
Taking false branch→
      rv = SSL_OptionSet(s, SSL_ENABLE_0RTT_DATA33, PR_TRUE1);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "error enabling 0-RTT");
          error = 1;
          goto done;
      }
  }

  /* Alternate ServerHello content type (TLS 1.3 only) */
  if (enableAltServerHello) {
41
←
Assuming 'enableAltServerHello' is 0→
42
←
Taking false branch→
      rv = SSL_UseAltServerHelloType(s, PR_TRUE)(PR_SetError(SSL_ERROR_UNSUPPORTED_EXPERIMENTAL_API, 0), SECFailure
);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "error enabling alternate ServerHello type");
          error = 1;
          goto done;
      }
  }

  /* Middlebox compatibility mode (TLS 1.3 only) */
  if (middleboxCompatMode) {
43
←
Assuming 'middleboxCompatMode' is 0→
44
←
Taking false branch→
      rv = SSL_OptionSet(s, SSL_ENABLE_TLS13_COMPAT_MODE35, PR_TRUE1);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "error enabling middlebox compatibility mode");
          error = 1;
          goto done;
      }
  }

  /* require the use of fixed finite-field DH groups */
  if (requireDHNamedGroups) {
45
←
Assuming 'requireDHNamedGroups' is 0→
46
←
Taking false branch→
      rv = SSL_OptionSet(s, SSL_REQUIRE_DH_NAMED_GROUPS32, PR_TRUE1);
      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_TIMESTAMPS31,
                     enableSignedCertTimestamps);
  if (rv != SECSuccess) {
47
←
Assuming 'rv' is equal to SECSuccess→
48
←
Taking false branch→
      SECU_PrintError(progName, "error enabling signed cert timestamps");
      error = 1;
      goto done;
  }

  if (enablePostHandshakeAuth) {
49
←
Assuming 'enablePostHandshakeAuth' is 0→
50
←
Taking false branch→
      rv = SSL_OptionSet(s, SSL_ENABLE_POST_HANDSHAKE_AUTH39, PR_TRUE1);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "error enabling post-handshake auth");
          error = 1;
          goto done;
      }
  }

  if (enabledGroups) {
51
←
Assuming 'enabledGroups' is null→
52
←
Taking false branch→
      rv = SSL_NamedGroupConfig(s, enabledGroups, enabledGroupsCount);
      if (rv < 0) {
          SECU_PrintError(progName, "SSL_NamedGroupConfig failed");
          error = 1;
          goto done;
      }
  }

  if (enabledSigSchemes) {
53
←
Assuming 'enabledSigSchemes' is null→
54
←
Taking false branch→
      rv = SSL_SignatureSchemePrefSet(s, enabledSigSchemes, enabledSigSchemeCount);
      if (rv < 0) {
          SECU_PrintError(progName, "SSL_SignatureSchemePrefSet failed");
          error = 1;
          goto done;
      }
  }

  if (echConfigs) {
55
←
Assuming 'echConfigs' is null→
56
←
Taking false branch→
      SECItem echConfigsBin = { siBuffer, NULL((void*)0), 0 };

      if (!NSSBase64_DecodeBufferNSSBase64_DecodeBuffer_Util(NULL((void*)0), &echConfigsBin, echConfigs,
                                  strlen(echConfigs))) {
          SECU_PrintError(progName, "ECHConfigs record is invalid base64");
          error = 1;
          goto done;
      }

      rv = SSL_SetClientEchConfigs(s, echConfigsBin.data, echConfigsBin.len)(SSL_GetExperimentalAPI("SSL_SetClientEchConfigs") ? ((SECStatus
(*) (PRFileDesc * _fd, const PRUint8 *_echConfigs, unsigned int
 _echConfigsLen))SSL_GetExperimentalAPI("SSL_SetClientEchConfigs"
))(s, echConfigsBin.data, echConfigsBin.len) : SECFailure);
      SECITEM_FreeItemSECITEM_FreeItem_Util(&echConfigsBin, PR_FALSE0);
      if (rv < 0) {
          SECU_PrintError(progName, "SSL_SetClientEchConfigs failed");
          error = 1;
          goto done;
      }
  }

  if (echGreaseSize) {
57
←
Assuming 'echGreaseSize' is 0→
58
←
Taking false branch→
      rv = SSL_EnableTls13GreaseEch(s, PR_TRUE)(SSL_GetExperimentalAPI("SSL_EnableTls13GreaseEch") ? ((SECStatus
(*) (PRFileDesc * _fd, PRBool _enabled))SSL_GetExperimentalAPI
("SSL_EnableTls13GreaseEch"))(s, 1) : SECFailure);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "SSL_EnableTls13GreaseEch failed");
          error = 1;
          goto done;
      }
      rv = SSL_SetTls13GreaseEchSize(s, echGreaseSize)(SSL_GetExperimentalAPI("SSL_SetTls13GreaseEchSize") ? ((SECStatus
(*) (PRFileDesc * _fd, PRUint8 _size))SSL_GetExperimentalAPI(
"SSL_SetTls13GreaseEchSize"))(s, echGreaseSize) : SECFailure);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "SSL_SetTls13GreaseEchSize failed");
          error = 1;
          goto done;
      }
  }

  if (psk.data) {
59
←
Assuming field 'data' is null→
60
←
Taking false branch→
      rv = importPsk(s);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "importPsk failed");
          error = 1;
          goto done;
      }
  }

  serverCertAuth.dbHandle = CERT_GetDefaultCertDB();

  SSL_AuthCertificateHook(s, ownAuthCertificate, &serverCertAuth);
  if (override) {
61
←
Assuming 'override' is 0→
62
←
Taking false branch→
      SSL_BadCertHook(s, ownBadCertHandler, NULL((void*)0));
  }
  if (actAsServer) {
63
←
Assuming 'actAsServer' is 0→
64
←
Taking false branch→
      rv = installServerCertificate(s, nickname);
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "error installing server cert");
          return 1;
      }
      rv = SSL_ConfigServerSessionIDCache(1024, 0, 0, ".");
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "error configuring session cache");
          return 1;
      }
      initializedServerSessionCache = PR_TRUE1;
  } else {
      SSL_GetClientAuthDataHook(s, own_GetClientAuthData, (void *)nickname);
  }
  SSL_HandshakeCallback(s, handshakeCallback, hs2SniHostName);
  if (hs1SniHostName) {
65
←
Assuming 'hs1SniHostName' is null→
66
←
Taking false branch→
      SSL_SetURL(s, hs1SniHostName);
  } else {
      SSL_SetURL(s, host);
  }

  if (actAsServer) {
67
←
Assuming 'actAsServer' is not equal to 0→
68
←
Taking true branch→
      rv = SSL_ResetHandshake(s, PR_TRUE1 /* server */);
      if (rv != SECSuccess) {
69
←
Assuming 'rv' is equal to SECSuccess→
70
←
Taking false branch→
          return 1;
      }
  } else {
      /* Try to connect to the server */
      rv = connectToServer(s, pollset);
      if (rv != SECSuccess) {
          error = 1;
          goto done;
      }
  }

  pollset[SSOCK_FD0].fd = s;
  pollset[SSOCK_FD0].in_flags = PR_POLL_EXCEPT0x4;
  if (!actAsServer)
71
←
Assuming 'actAsServer' is not equal to 0→
72
←
Taking false branch→
      pollset[SSOCK_FD0].in_flags |= (clientSpeaksFirst ? 0 : PR_POLL_READ0x1);
  else
      pollset[SSOCK_FD0].in_flags |= PR_POLL_READ0x1;
  if (requestFile) {
73
←
Assuming 'requestFile' is null→
74
←
Taking false branch→
      pollset[STDIN_FD1].fd = PR_Open(requestFile, PR_RDONLY0x01, 0);
      if (!pollset[STDIN_FD1].fd) {
          fprintf(stderrstderr, "%s: unable to open input file: %s\n",
                  progName, requestFile);
          error = 1;
          goto done;
      }
  } else {
      pollset[STDIN_FD1].fd = PR_GetSpecialFD(PR_StandardInput);
  }
  pollset[STDIN_FD1].in_flags = PR_POLL_READ0x1;
  std_out = PR_GetSpecialFD(PR_StandardOutput);

1726#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_FD1].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;
      }
  }
1754#endif

  if (serverCertAuth.testFreshStatusFromSideChannel) {
75
←
Assuming field 'testFreshStatusFromSideChannel' is 0→
76
←
Taking false branch→
      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.
  */
  requestToExit = PR_FALSE0;
  FPRINTFif (verbose) fprintf(stderrstderr, "%s: ready...\n", progName);
77
←
Assuming 'verbose' is 0→
  while (!requestToExit77.1
'requestToExit' is 0
 &&
85
←
 Execution continues on line 1768→
86
←
Assuming 'requestToExit' is 0→
         (pollset[SSOCK_FD0].in_flags77.2
Field 'in_flags' is 5
1
Field 'in_flags' is 5
 || pollset[STDIN_FD1].in_flags)) {
      PRUint8 buf[4000]; /* buffer for stdin */
      int nb;            /* num bytes read from stdin. */

      rv = restartHandshakeAfterServerCertIfNeeded(s, &serverCertAuth,
                                                   override);
      if (rv77.3
'rv' is equal to SECSuccess
2
'rv' is equal to SECSuccess
 != SECSuccess) {
78
←
Taking false branch→
87
←
Taking false branch→
          error = EXIT_CODE_HANDSHAKE_FAILED254;
          SECU_PrintError(progName, "authentication of server cert failed");
          goto done;
      }

      rv = restartHandshakeAfterClientCertIfNeeded(s);
79
←
Calling 'restartHandshakeAfterClientCertIfNeeded'→
83
←
Returning from 'restartHandshakeAfterClientCertIfNeeded'→
88
←
Calling 'restartHandshakeAfterClientCertIfNeeded'→
      if (rv83.1
'rv' is equal to SECSuccess
 == SECSuccess) {
84
←
Taking true branch→
          continue;
      }

      pollset[SSOCK_FD0].out_flags = 0;
      pollset[STDIN_FD1].out_flags = 0;

      FPRINTFif (verbose) fprintf(stderrstderr, "%s: about to call PR_Poll !\n", progName);
      filesReady = PR_Poll(pollset, PR_ARRAY_SIZE(pollset)(sizeof(pollset)/sizeof((pollset)[0])),
                           PR_INTERVAL_NO_TIMEOUT0xffffffffUL);
      if (filesReady < 0) {
          SECU_PrintError(progName, "select failed");
          error = 1;
          goto done;
      }
      if (filesReady == 0) { /* shouldn't happen! */
          FPRINTFif (verbose) fprintf(stderrstderr, "%s: PR_Poll returned zero!\n", progName);
          error = 1;
          goto done;
      }
      FPRINTFif (verbose) fprintf(stderrstderr, "%s: PR_Poll returned!\n", progName);
      if (pollset[STDIN_FD1].in_flags) {
          FPRINTFif (verbose) fprintf(stderrstderr,
                  "%s: PR_Poll returned 0x%02x for stdin out_flags.\n",
                  progName, pollset[STDIN_FD1].out_flags);
      }
      if (pollset[SSOCK_FD0].in_flags) {
          FPRINTFif (verbose) fprintf(stderrstderr,
                  "%s: PR_Poll returned 0x%02x for socket out_flags.\n",
                  progName, pollset[SSOCK_FD0].out_flags);
      }
      if (pollset[STDIN_FD1].out_flags & PR_POLL_READ0x1) {
          /* Read from stdin and write to socket */
          nb = PR_Read(pollset[STDIN_FD1].fd, buf, sizeof(buf));
          FPRINTFif (verbose) fprintf(stderrstderr, "%s: stdin read %d bytes\n", progName, nb);
          if (nb < 0) {
              if (PR_GetError() != PR_WOULD_BLOCK_ERROR(-5998L)) {
                  SECU_PrintError(progName, "read from stdin failed");
                  error = 1;
                  break;
              }
          } else if (nb == 0) {
              /* EOF on stdin, stop polling stdin for read. */
              pollset[STDIN_FD1].in_flags = 0;
              if (actAsServer)
                  requestToExit = PR_TRUE1;
          } else {
              error = writeBytesToServer(s, buf, nb);
              if (error) {
                  if (echConfigs) {
                      (void)printEchRetryConfigs(s);
                  }
                  goto done;
              }
              pollset[SSOCK_FD0].in_flags = PR_POLL_READ0x1;
          }
      }

      if (pollset[SSOCK_FD0].in_flags) {
          FPRINTFif (verbose) fprintf(stderrstderr,
                  "%s: PR_Poll returned 0x%02x for socket out_flags.\n",
                  progName, pollset[SSOCK_FD0].out_flags);
      }
1845#ifdef PR_POLL_HUP0x20
1846#define POLL_RECV_FLAGS(0x1 | 0x8 | 0x20) (PR_POLL_READ0x1 | PR_POLL_ERR0x8 | PR_POLL_HUP0x20)
1847#else
1848#define POLL_RECV_FLAGS(0x1 | 0x8 | 0x20) (PR_POLL_READ0x1 | PR_POLL_ERR0x8)
1849#endif
      if (pollset[SSOCK_FD0].out_flags & POLL_RECV_FLAGS(0x1 | 0x8 | 0x20)) {
          /* Read from socket and write to stdout */
          nb = PR_Recv(pollset[SSOCK_FD0].fd, buf, sizeof buf, 0, maxInterval);
          FPRINTFif (verbose) fprintf(stderrstderr, "%s: Read from server %d bytes\n", progName, nb);
          if (nb < 0) {
              if (PR_GetError() != PR_WOULD_BLOCK_ERROR(-5998L)) {
                  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_FD0].in_flags = 0;
          } else {
              if (skipProtoHeader != PR_TRUE1 || wrStarted == PR_TRUE1) {
                  PR_Write(std_out, buf, nb);
              } else {
                  separateReqHeader(std_out, (char *)buf, nb, &wrStarted,
                                    &headerSeparatorPtrnId);
              }
              if (verbose)
                  fputs("\n\n", stderrstderr);
          }
      }
      milliPause(50 * multiplier);
  }

1877done:
  if (s) {
      PR_Close(s);
  }
  if (requestFile && pollset[STDIN_FD1].fd) {
      PR_Close(pollset[STDIN_FD1].fd);
  }
  return error;
1885}

1887int
1888main(int argc, char **argv)
1889{
  PLOptState *optstate;
  PLOptStatus optstatus;
  PRStatus status;
  PRStatus prStatus;
  int error = 0;
  char *tmp;
  SECStatus rv;
  char *certDir = NULL((void*)0);
  PRBool openDB = PR_TRUE1;
  PRBool loadDefaultRootCAs = PR_FALSE0;
  char *rootModule = NULL((void*)0);
  int numConnections = 1;
  PRFileDesc *s = NULL((void*)0);

  serverCertAuth.shouldPause = PR_TRUE1;
  serverCertAuth.isPaused = PR_FALSE0;
  serverCertAuth.dbHandle = NULL((void*)0);
  serverCertAuth.testFreshStatusFromSideChannel = PR_FALSE0;
  serverCertAuth.sideChannelRevocationTestResultCode = EXIT_CODE_HANDSHAKE_FAILED254;
  serverCertAuth.requireDataForIntermediates = PR_FALSE0;
  serverCertAuth.allowOCSPSideChannelData = PR_TRUE1;
  serverCertAuth.allowCRLSideChannelData = PR_TRUE1;

  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)(int)strtol(tmp, ((void*)0), 10);
      if (sec > 0) {
          maxInterval = PR_SecondsToInterval(sec);
      }
  }

  optstate = PL_CreateOptState(argc, argv,
                               "46A:BCDEFGHI:J:KL:M:N:OP:QR:STUV:W:X:YZa:bc:d:efgh:i:m:n:op:qr:st:uvw:x:z:");
  while ((optstatus = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
      switch (optstate->option) {
          case '?':
          default:
              Usage();
              break;

          case '4':
              allowIPv6 = PR_FALSE0;
              if (!allowIPv4)
                  Usage();
              break;
          case '6':
              allowIPv4 = PR_FALSE0;
              if (!allowIPv6)
                  Usage();
              break;

          case 'A':
              requestFile = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'B':
              enableDelegatedCredentials = PR_TRUE1;
              break;

          case 'C':
              ++dumpServerChain;
              break;

          case 'D':
              openDB = PR_FALSE0;
              break;

          case 'E':
              enablePostHandshakeAuth = PR_TRUE1;
              break;

          case 'F':
              if (serverCertAuth.testFreshStatusFromSideChannel) {
                  /* parameter given twice or more */
                  serverCertAuth.requireDataForIntermediates = PR_TRUE1;
              }
              serverCertAuth.testFreshStatusFromSideChannel = PR_TRUE1;
              break;

          case 'G':
              enableExtendedMasterSecret = PR_TRUE1;
              break;

          case 'H':
              requireDHNamedGroups = PR_TRUE1;
              break;

          case 'O':
              clientCertAsyncSelect = PR_FALSE0;
              serverCertAuth.shouldPause = PR_FALSE0;
              break;

          case 'K':
              forceFallbackSCSV = PR_TRUE1;
              break;

          case 'L':
              numConnections = atoi(optstate->value);
              break;

          case 'M':
              switch (atoi(optstate->value)) {
                  case 1:
                      serverCertAuth.allowOCSPSideChannelData = PR_TRUE1;
                      serverCertAuth.allowCRLSideChannelData = PR_FALSE0;
                      break;
                  case 2:
                      serverCertAuth.allowOCSPSideChannelData = PR_FALSE0;
                      serverCertAuth.allowCRLSideChannelData = PR_TRUE1;
                      break;
                  case 0:
                  default:
                      serverCertAuth.allowOCSPSideChannelData = PR_TRUE1;
                      serverCertAuth.allowCRLSideChannelData = PR_TRUE1;
                      break;
              };
              break;

          case 'N':
              echConfigs = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'i':
              echGreaseSize = PORT_Atoi(optstate->value)(int)strtol(optstate->value, ((void*)0), 10);
              if (!echGreaseSize || echGreaseSize > 255) {
                  fprintf(stderrstderr, "ECH Grease size must be within 1..255 (inclusive).\n");
                  exit(-1);
              }
              break;

          case 'P':
              useDTLS = PR_TRUE1;
              if (!strcmp(optstate->value, "server")) {
                  actAsServer = 1;
              } else {
                  if (strcmp(optstate->value, "client")) {
                      Usage();
                  }
              }
              break;

          case 'Q':
              stopAfterHandshake = PR_TRUE1;
              break;

          case 'R':
              rootModule = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'S':
              skipProtoHeader = PR_TRUE1;
              break;

          case 'T':
              enableCertStatus = 1;
              break;

          case 'U':
              enableSignedCertTimestamps = 1;
              break;

          case 'V':
              versionString = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'X':
              if (!strcmp(optstate->value, "alt-server-hello")) {
                  enableAltServerHello = PR_TRUE1;
              } else {
                  Usage();
              }
              break;
          case 'Y':
              PrintCipherUsage();
              exit(0);
              break;

          case 'Z':
              enableZeroRtt = PR_TRUE1;
              zeroRttData = PORT_ZAllocPORT_ZAlloc_Util(ZERO_RTT_MAX(2 << 16));
              if (!zeroRttData) {
                  fprintf(stderrstderr, "Unable to allocate buffer for 0-RTT\n");
                  exit(1);
              }
              break;

          case 'a':
              if (!hs1SniHostName) {
                  hs1SniHostName = PORT_StrdupPORT_Strdup_Util(optstate->value);
              } else if (!hs2SniHostName) {
                  hs2SniHostName = PORT_StrdupPORT_Strdup_Util(optstate->value);
              } else {
                  Usage();
              }
              break;

          case 'b':
              loadDefaultRootCAs = PR_TRUE1;
              break;

          case 'c':
              cipherString = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'g':
              enableFalseStart = 1;
              break;

          case 'd':
              certDir = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'e':
              middleboxCompatMode = PR_TRUE1;
              break;

          case 'f':
              clientSpeaksFirst = PR_TRUE1;
              break;

          case 'h':
              host = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'm':
              multiplier = atoi(optstate->value);
              if (multiplier < 0)
                  multiplier = 0;
              break;

          case 'n':
              nickname = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'o':
              override = 1;
              break;

          case 'p':
              portno = (PRUint16)atoi(optstate->value);
              break;

          case 'q':
              pingServerFirst = PR_TRUE1;
              break;

          case 's':
              disableLocking = 1;
              break;

          case 't':
              pingTimeoutSeconds = atoi(optstate->value);
              break;

          case 'u':
              enableSessionTickets = PR_TRUE1;
              break;

          case 'v':
              verbose++;
              break;

          case 'r':
              renegotiationsToDo = atoi(optstate->value);
              break;

          case 'w':
              pwdata.source = PW_PLAINTEXT;
              pwdata.data = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'W':
              pwdata.source = PW_FROMFILE;
              pwdata.data = PORT_StrdupPORT_Strdup_Util(optstate->value);
              break;

          case 'I':
              rv = parseGroupList(optstate->value, &enabledGroups, &enabledGroupsCount);
              if (rv != SECSuccess) {
                  PL_DestroyOptState(optstate);
                  fprintf(stderrstderr, "Bad group specified.\n");
                  Usage();
              }
              break;

          case 'J':
              rv = parseSigSchemeList(optstate->value, &enabledSigSchemes, &enabledSigSchemeCount);
              if (rv != SECSuccess) {
                  PL_DestroyOptState(optstate);
                  fprintf(stderrstderr, "Bad signature scheme specified.\n");
                  Usage();
              }
              break;

          case 'x':
              rv = parseExporters(optstate->value,
                                  &enabledExporters,
                                  &enabledExporterCount);
              if (rv != SECSuccess) {
                  PL_DestroyOptState(optstate);
                  fprintf(stderrstderr, "Bad exporter specified.\n");
                  Usage();
              }
              break;

          case 'z':
              rv = readPSK(optstate->value, &psk, &pskLabel);
              if (rv != SECSuccess) {
                  PL_DestroyOptState(optstate);
                  fprintf(stderrstderr, "Bad PSK specified.\n");
                  Usage();
              }
              break;
      }
  }
  PL_DestroyOptState(optstate);

  SSL_VersionRangeGetSupported(useDTLS ? ssl_variant_datagram : ssl_variant_stream, &enabledVersions);

  if (versionString) {
      if (SECU_ParseSSLVersionRangeString(versionString,
                                          enabledVersions, &enabledVersions) !=
          SECSuccess) {
          fprintf(stderrstderr, "Bad version specified.\n");
          Usage();
      }
      PORT_FreePORT_Free_Util(versionString);
  }

  if (optstatus == PL_OPT_BAD) {
      Usage();
  }

  if (!host || !portno) {
      fprintf(stderrstderr, "%s: parameters -h and -p are mandatory\n", progName);
      Usage();
  }

  if (serverCertAuth.testFreshStatusFromSideChannel &&
      serverCertAuth.shouldPause) {
      fprintf(stderrstderr, "%s: -F requires the use of -O\n", progName);
      exit(1);
  }

  if (certDir && !openDB) {
      fprintf(stderrstderr, "%s: Cannot combine parameters -D and -d\n", progName);
      exit(1);
  }

  if (rootModule && loadDefaultRootCAs) {
      fprintf(stderrstderr, "%s: Cannot combine parameters -b and -R\n", progName);
      exit(1);
  }

  if (enablePostHandshakeAuth && !nickname) {
      fprintf(stderrstderr, "%s: -E requires the use of -n\n", progName);
      exit(1);
  }

  PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);

  PK11_SetPasswordFunc(SECU_GetModulePassword);
  memset(&addr, 0, sizeof(addr));
  status = PR_StringToNetAddr(host, &addr);
  if (status == PR_SUCCESS) {
      addr.inet.port = PR_htons(portno);
  } else {
      PRBool gotLoopbackIP = PR_FALSE0;
      if ((!strcmp(host, "localhost") || !strcmp(host, "localhost.localdomain"))
          /* only check for preference if both types are allowed */
          && allowIPv4 && allowIPv6) {
          /* make a decision which IP to prefer */
          status = PR_GetPrefLoopbackAddrInfo(&addr, portno);
          if (status != PR_FAILURE) {
              gotLoopbackIP = PR_TRUE1;
          }
      }

      if (!gotLoopbackIP) {
          /* Lookup host */
          PRAddrInfo *addrInfo;
          void *enumPtr = NULL((void*)0);

          addrInfo = PR_GetAddrInfoByName(host, PR_AF_UNSPEC0,
                                          PR_AI_ADDRCONFIG0x20 | PR_AI_NOCANONNAME0x8000);
          if (!addrInfo) {
              fprintf(stderrstderr, "HOSTNAME=%s\n", host);
              SECU_PrintError(progName, "error looking up host");
              error = 1;
              goto done;
          }
          for (;;) {
              enumPtr = PR_EnumerateAddrInfo(enumPtr, addrInfo, portno, &addr);
              if (enumPtr == NULL((void*)0))
                  break;
              if (addr.raw.family == PR_AF_INET2 && allowIPv4)
                  break;
              if (addr.raw.family == PR_AF_INET610 && allowIPv6)
                  break;
          }
          PR_FreeAddrInfo(addrInfo);
          if (enumPtr == NULL((void*)0)) {
              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_FreePORT_Free_Util(certDirTmp);
  }

  if (pingServerFirst) {
      int iter = 0;
      PRErrorCode err;

      int max_attempts = MAX_WAIT_FOR_SERVER600;
      if (pingTimeoutSeconds >= 0) {
          /* If caller requested a timeout, let's try just twice. */
          max_attempts = 2;
      }
      do {
          PRIntervalTime timeoutInterval = PR_INTERVAL_NO_TIMEOUT0xffffffffUL;
          s = PR_OpenTCPSocket(addr.raw.family);
          if (s == NULL((void*)0)) {
              SECU_PrintError(progName, "Failed to create a TCP socket");
              error = 1;
              goto done;
          }
          opt.option = PR_SockOpt_Nonblocking;
          opt.value.non_blocking = PR_FALSE0;
          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(-5981L)) &&
              (err != PR_CONNECT_RESET_ERROR(-5961L))) {
              SECU_PrintError(progName, "TCP Connection failed");
              error = 1;
              goto done;
          }
          PR_Close(s);
          s = NULL((void*)0);
          PR_Sleep(PR_MillisecondsToInterval(WAIT_INTERVAL100));
      } 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((void*)0));
      if (rv != SECSuccess) {
          SECU_PrintError(progName, "failed to initialize NSS");
          error = 1;
          goto done;
      }
  }

  if (loadDefaultRootCAs) {
      SECMOD_AddNewModule("Builtins",
                          DLL_PREFIX"lib" "nssckbi." DLL_SUFFIX"so", 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();
      if (error) {
          goto done;
      }
  }

2403done:
  if (s) {
      PR_Close(s);
  }

  PORT_FreePORT_Free_Util((void *)requestFile);
  PORT_FreePORT_Free_Util(hs1SniHostName);
  PORT_FreePORT_Free_Util(hs2SniHostName);
  PORT_FreePORT_Free_Util(nickname);
  PORT_FreePORT_Free_Util(pwdata.data);
  PORT_FreePORT_Free_Util(host);
  PORT_FreePORT_Free_Util(zeroRttData);
  PORT_FreePORT_Free_Util(echConfigs);
  SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(&psk, PR_FALSE0);
  SECITEM_ZfreeItemSECITEM_ZfreeItem_Util(&pskLabel, PR_FALSE0);

  if (enabledGroups) {
      PORT_FreePORT_Free_Util(enabledGroups);
  }
  if (NSS_IsInitialized()) {
      SSL_ClearSessionCache();
      if (initializedServerSessionCache) {
          if (SSL_ShutdownServerSessionIDCache() != SECSuccess) {
              error = 1;
          }
      }

      if (NSS_Shutdown() != SECSuccess) {
          error = 1;
      }
  }

  FPRINTFif (verbose) fprintf(stderrstderr, "tstclnt: exiting with return code %d\n", error);
  PR_Cleanup();
  return error;
2438}