static SSL *ssl;
static struct {              /* Accept this SSL cert for this session only */
  char *zHost;                  /* Subject or host name */
  char *zHash;                  /* SHA2-256 hash of the cert */
} sException;
static int sslNoCertVerify = 0;  /* Do not verify SSL certs */


/* This is a self-signed cert in the PEM format that can be used when
** no other certs are available.
*/
static const char sslSelfCert[] = 
"-----BEGIN CERTIFICATE-----\n"
"MIIDMTCCAhkCFGrDmuJkkzWERP/ITBvzwwI2lv0TMA0GCSqGSIb3DQEBCwUAMFQx\n"
"CzAJBgNVBAYTAlVTMQswCQYDVQQIDAJOQzESMBAGA1UEBwwJQ2hhcmxvdHRlMRMw\n"
"EQYDVQQKDApGb3NzaWwtU0NNMQ8wDQYDVQQDDAZGb3NzaWwwIBcNMjExMjI3MTEz\n"
"MTU2WhgPMjEyMTEyMjcxMTMxNTZaMFQxCzAJBgNVBAYTAlVTMQswCQYDVQQIDAJO\n"
"QzESMBAGA1UEBwwJQ2hhcmxvdHRlMRMwEQYDVQQKDApGb3NzaWwtU0NNMQ8wDQYD\n"
"VQQDDAZGb3NzaWwwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCCbTU2\n"
"6GRQHQqLq7vyZ0OxpAxmgfAKCxt6eIz+jBi2ZM/CB5vVXWVh2+SkSiWEA3UZiUqX\n"
"xZlzmS/CglZdiwLLDJML8B4OiV72oivFH/vJ7+cbvh1dTxnYiHuww7GfQngPrLfe\n"
"fiIYPDk1GTUJHBQ7Ue477F7F8vKuHdVgwktF/JDM6M60aSqlo2D/oysirrb+dlur\n"
"Tlv0rjsYOfq6bLAajoL3qi/vek6DNssoywbge4PfbTgS9g7Gcgncbcet5pvaS12J\n"
"avhFcd4JU4Ity49Hl9S/C2MfZ1tE53xVggRwKz4FPj65M5uymTdcxtjKXtCxIE1k\n"
"KxJxXQh7rIYjm+RTAgMBAAEwDQYJKoZIhvcNAQELBQADggEBAFkdtpqcybAzJN8G\n"
"+ONuUm5sXNbWta7JGvm8l0BTSBcCUtJA3hn16iJqXA9KmLnaF2denC4EYk+KlVU1\n"
"QXxskPJ4jB8A5B05jMijYv0nzCxKhviI8CR7GLEEGKzeg9pbW0+O3vaVehoZtdFX\n"
"z3SsCssr9QjCLiApQxMzW1Iv3od2JXeHBwfVMFrWA1VCEUCRs8OSW/VOqDPJLVEi\n"
"G6wxc4kN9dLK+5S29q3nzl24/qzXoF8P9Re5KBCbrwaHgy+OEEceq5jkmfGFxXjw\n"
"pvVCNry5uAhH5NqbXZampUWqiWtM4eTaIPo7Y2mDA1uWhuWtO6F9PsnFJlQHCnwy\n"
"s/TsrXk=\n"
"-----END CERTIFICATE-----\n";

/* This is the private-key corresponding to the cert above
*/
static const char sslSelfPKey[] = 
"-----BEGIN PRIVATE KEY-----\n"
"MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCCbTU26GRQHQqL\n"
"q7vyZ0OxpAxmgfAKCxt6eIz+jBi2ZM/CB5vVXWVh2+SkSiWEA3UZiUqXxZlzmS/C\n"
"glZdiwLLDJML8B4OiV72oivFH/vJ7+cbvh1dTxnYiHuww7GfQngPrLfefiIYPDk1\n"
"GTUJHBQ7Ue477F7F8vKuHdVgwktF/JDM6M60aSqlo2D/oysirrb+dlurTlv0rjsY\n"
"Ofq6bLAajoL3qi/vek6DNssoywbge4PfbTgS9g7Gcgncbcet5pvaS12JavhFcd4J\n"
"U4Ity49Hl9S/C2MfZ1tE53xVggRwKz4FPj65M5uymTdcxtjKXtCxIE1kKxJxXQh7\n"
"rIYjm+RTAgMBAAECggEANfTH1vc8yIe7HRzmm9lsf8jF+II4s2705y2H5qY+cvYx\n"
"nKtZJGOG1X0KkYy7CGoFv5K0cSUl3lS5FVamM/yWIzoIex/Sz2C1EIL2aI5as6ez\n"
"jB6SN0/J+XI8+Vt7186/rHxfdIPpxuzjHbxX3HTpScETNWcLrghbrPxakbTPPxwt\n"
"+x7QlPmmkFNuMfvkzToFf9NdwL++44TeBPOpvD/Lrw+eyqdth9RJPq9cM96plh9V\n"
"HuRqeD8+QNafaXBdSQs3FJK/cDK/vWGKZWIfFVSDbDhwYljkXGijreFjtXQfkkpF\n"
"rl1J87/H9Ee7z8fTD2YXQHl+0/rghAVtac3u54dpQQKBgQC2XG3OEeMrOp9dNkUd\n"
"F8VffUg0ecwG+9L3LCe7U71K0kPmXjV6xNnuYcNQu84kptc5vI8wD23p29LaxdNc\n"
"9m0lcw06/YYBOPkNphcHkINYZTvVJF10mL3isymzMaTtwDkZUkOjL1B+MTiFT/qp\n"
"ARKrTYGJ4HxY7+tUkI5pUmg4PQKBgQC3GA4d1Rz3Pb/RRpcsZgWknKsKhoN36mSn\n"
"xFJ3wPBvVv2B1ltTMzh/+the0ty6clzMrvoLERzRcheDsNrc/j/TUVG8sVdBYJwX\n"
"tMZyFW4NVMOErT/1ukh6jBqIMBo6NJL3EV/AKj0yniksgKOr0/AAduAccnGST8Jd\n"
"SHOdjwvHzwKBgGZBq/zqgNTDuYseHGE07CMgcDWkumiMGv8ozlq3mSR0hUiPOTPP\n"
"YFjQjyIdPXnF6FfiyPPtIvgIoNK2LVAqiod+XUPf152l4dnqcW13dn9BvOxGyPTR\n"
"lWCikFaAFviOWjY9r9m4dU1dslDmySqthFd0TZgPvgps9ivkJ0cdw30NAoGAMC/E\n"
"h1VvKiK2OP27C5ROJ+STn1GHiCfIFd81VQ8SODtMvL8NifgRBp2eFFaqgOdYRQZI\n"
"CGGYlAbS6XXCJCdF5Peh62dA75PdgN+y2pOJQzjrvB9cle9Q4++7i9wdCvSLOTr5\n"
"WDnFoWy+qVexu6crovOmR9ZWzYrwPFy1EOJ010ECgYBl7Q+jmjOSqsVwhFZ0U7LG\n"
"diN+vXhWfn1wfOWd8u79oaqU/Oy7xyKW2p3H5z2KFrBM/vib53Lh4EwFZjcX+jVG\n"
"krAmbL+M/hP7z3TD2UbESAzR/c6l7FU45xN84Lsz5npkR8H/uAHuqLgb9e430Mjx\n"
"YNMwdb8rChHHChNZu6zuxw==\n"
"-----END PRIVATE KEY-----\n";

/*
** Read a PEM certificate from memory and push it into an SSL_CTX.
** Return the number of errors.
*/
static int sslctx_use_cert_from_mem(
  SSL_CTX *ctx,
  const char *pData,
  int nData
){
  BIO *in;
  int rc = 1;
  X509 *x = 0;
  X509 *cert = 0;

  in = BIO_new_mem_buf(pData, nData);
  if( in==0 ) goto end_of_ucfm;
  // x = X509_new_ex(ctx->libctx, ctx->propq);
  x = X509_new();
  if( x==0 ) goto end_of_ucfm;
  cert = PEM_read_bio_X509(in, &x, 0, 0);
  if( cert==0 ) goto end_of_ucfm;
  rc = SSL_CTX_use_certificate(ctx, x)<=0;
end_of_ucfm:
  X509_free(x);
  BIO_free(in);
  return rc;
}

/*
** Read a PEM private key from memory and add it to an SSL_CTX.
** Return the number of errors.
*/
static int sslctx_use_pkey_from_mem(
  SSL_CTX *ctx,
  const char *pData,
  int nData
){
  int rc = 1;
  BIO *in;
  EVP_PKEY *pkey = 0;

  in = BIO_new_mem_buf(pData, nData);
  if( in==0 ) goto end_of_upkfm;
  pkey = PEM_read_bio_PrivateKey(in, 0, 0, 0);
  if( pkey==0 ) goto end_of_upkfm;
  rc = SSL_CTX_use_PrivateKey(ctx, pkey)<=0;
  EVP_PKEY_free(pkey);
end_of_upkfm:
  BIO_free(in);
  return rc;
}

/*
** Clear the SSL error message
*/
static void ssl_clear_errmsg(void){
  free(sslErrMsg);
  sslErrMsg = 0;
}

}

/*
** Initialize the SSL library so that it is able to handle
** server-side connections.  Invoke fossil_fatal() if there are
** any problems.
**
** If zKeyFile and zCertFile are not NULL, then they are the names
** of disk files that hold the certificate and private-key for the
** server.  If zCertFile is not NULL but zKeyFile is NULL, then
** zCertFile is assumed to be a concatenation of the certificate and
** the private-key in the PEM format.
**
** If zCertFile is NULL, then "tls-server-cert" setting is consulted
** to get the certificate and private-key (concatenated together, in
** the PEM format).  If there is no tls-server-cert setting, then
** a built-in self-signed cert is used.
*/
void ssl_init_server(const char *zCertFile, const char *zKeyFile){
  if( sslIsInit==0 ){
    const char *zTlsCert;
    SSL_library_init();
    SSL_load_error_strings();
    OpenSSL_add_all_algorithms();
    sslCtx = SSL_CTX_new(SSLv23_server_method());
    if( sslCtx==0 ){
      ERR_print_errors_fp(stderr);
      fossil_fatal("Error initializing the SSL server");
    }
    if( zCertFile && zCertFile[0] ){
      if( SSL_CTX_use_certificate_file(sslCtx,zCertFile,SSL_FILETYPE_PEM)<=0 ){
        ERR_print_errors_fp(stderr);
        fossil_fatal("Error loading CERT file \"%s\"", zCertFile);
      }
      if( zKeyFile==0 ) zKeyFile = zCertFile;
      if( SSL_CTX_use_PrivateKey_file(sslCtx, zKeyFile, SSL_FILETYPE_PEM)<=0 ){
        ERR_print_errors_fp(stderr);
        fossil_fatal("Error loading PRIVATE KEY from file \"%s\"", zKeyFile);
      }
    }else
    if( (zTlsCert = db_get("tls-server-cert",0))!=0 ){
      if( sslctx_use_cert_from_mem(sslCtx, zTlsCert, -1)
       || sslctx_use_pkey_from_mem(sslCtx, zTlsCert, -1)
      ){
        fossil_fatal("Error loading the CERT from the"
                     " 'tls-server-cert' setting");
      }
    }else if( sslctx_use_cert_from_mem(sslCtx, sslSelfCert, -1)
           || sslctx_use_pkey_from_mem(sslCtx, sslSelfPKey, -1) ){
      fossil_fatal("Error loading self-signed CERT");
    }
    if( !SSL_CTX_check_private_key(sslCtx) ){
      fossil_fatal("PRIVATE KEY \"%s\" does not match CERT \"%s\"",
           zKeyFile, zCertFile);
    }
    sslIsInit = 2;
  }else{

#if FOSSIL_ENABLE_SSL
  const char *zCertFile = 0;
  zCertFile = find_option("tls-cert-file",0,1);
  if( zCertFile ){
    g.httpUseSSL = 1;
    ssl_init_server(zCertFile, zCertFile);
  }
  if( find_option("tls",0,0)!=0 || find_option("ssl",0,0)!=0 ){
    g.httpUseSSL = 1;
    ssl_init_server(0,0);
  }
#if !defined(_WIN32)
  if( db_get_int("redirect-to-https",0)==2 ){
    g.httpUseSSL = 1;
    ssl_init_server(0,0);
  }
#endif
#endif
}

/*
** COMMAND: server*
** COMMAND: ui
**

**                       set by default for the "ui" command)
**   --notfound URL      Redirect
**   --page PAGE         Start "ui" on PAGE.  ex: --page "timeline?y=ci"
**   -P|--port TCPPORT   listen to request on port TCPPORT
**   --repolist          If REPOSITORY is dir, URL "/" lists repos.
**   --scgi              Accept SCGI rather than HTTP
**   --skin LABEL        Use override skin LABEL
**   --ssl               Use TLS (HTTPS) encryption.  Alias for --tls
**   --th-trace          trace TH1 execution (for debugging purposes)
**   --tls               Use TLS (HTTPS) encryption.
**   --tls-cert-file FN  Read the TLS certificate and private key from FN
**   --usepidkey         Use saved encryption key from parent process.  This is
**                       only necessary when using SEE on Windows.
**
** See also: [[cgi]], [[http]], [[winsrv]]
*/
void cmd_webserver(void){
  int iPort, mxPort;        /* Range of TCP ports allowed */