Ejemplo n.º 1
0
int s_time_main(int argc, char **argv)
{
    char buf[1024 * 8];
    SSL *scon = NULL;
    SSL_CTX *ctx = NULL;
    const SSL_METHOD *meth = NULL;
    char *CApath = NULL, *CAfile = NULL, *cipher = NULL, *ciphersuites = NULL;
    char *www_path = NULL;
    char *host = SSL_CONNECT_NAME, *certfile = NULL, *keyfile = NULL, *prog;
    double totalTime = 0.0;
    int noCApath = 0, noCAfile = 0;
    int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs = 0;
    long bytes_read = 0, finishtime = 0;
    OPTION_CHOICE o;
    int max_version = 0, ver, buf_len;
    size_t buf_size;

    meth = TLS_client_method();

    prog = opt_init(argc, argv, s_time_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
 opthelp:
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(s_time_options);
            ret = 0;
            goto end;
        case OPT_CONNECT:
            host = opt_arg();
            break;
        case OPT_REUSE:
            perform = 2;
            break;
        case OPT_NEW:
            perform = 1;
            break;
        case OPT_VERIFY:
            if (!opt_int(opt_arg(), &verify_args.depth))
                goto opthelp;
            BIO_printf(bio_err, "%s: verify depth is %d\n",
                       prog, verify_args.depth);
            break;
        case OPT_CERT:
            certfile = opt_arg();
            break;
        case OPT_NAMEOPT:
            if (!set_nameopt(opt_arg()))
                goto end;
            break;
        case OPT_KEY:
            keyfile = opt_arg();
            break;
        case OPT_CAPATH:
            CApath = opt_arg();
            break;
        case OPT_CAFILE:
            CAfile = opt_arg();
            break;
        case OPT_NOCAPATH:
            noCApath = 1;
            break;
        case OPT_NOCAFILE:
            noCAfile = 1;
            break;
        case OPT_CIPHER:
            cipher = opt_arg();
            break;
        case OPT_CIPHERSUITES:
            ciphersuites = opt_arg();
            break;
        case OPT_BUGS:
            st_bugs = 1;
            break;
        case OPT_TIME:
            if (!opt_int(opt_arg(), &maxtime))
                goto opthelp;
            break;
        case OPT_WWW:
            www_path = opt_arg();
            buf_size = strlen(www_path) + fmt_http_get_cmd_size;
            if (buf_size > sizeof(buf)) {
                BIO_printf(bio_err, "%s: -www option is too long\n", prog);
                goto end;
            }
            break;
        case OPT_SSL3:
            max_version = SSL3_VERSION;
            break;
        }
    }
    argc = opt_num_rest();
    if (argc != 0)
        goto opthelp;

    if (cipher == NULL)
        cipher = getenv("SSL_CIPHER");

    if ((ctx = SSL_CTX_new(meth)) == NULL)
        goto end;

    SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY);
    SSL_CTX_set_quiet_shutdown(ctx, 1);
    if (SSL_CTX_set_max_proto_version(ctx, max_version) == 0)
        goto end;

    if (st_bugs)
        SSL_CTX_set_options(ctx, SSL_OP_ALL);
    if (cipher != NULL && !SSL_CTX_set_cipher_list(ctx, cipher))
        goto end;
    if (ciphersuites != NULL && !SSL_CTX_set_ciphersuites(ctx, ciphersuites))
        goto end;
    if (!set_cert_stuff(ctx, certfile, keyfile))
        goto end;

    if (!ctx_set_verify_locations(ctx, CAfile, CApath, noCAfile, noCApath)) {
        ERR_print_errors(bio_err);
        goto end;
    }
    if (!(perform & 1))
        goto next;
    printf("Collecting connection statistics for %d seconds\n", maxtime);

    /* Loop and time how long it takes to make connections */

    bytes_read = 0;
    finishtime = (long)time(NULL) + maxtime;
    tm_Time_F(START);
    for (;;) {
        if (finishtime < (long)time(NULL))
            break;

        if ((scon = doConnection(NULL, host, ctx)) == NULL)
            goto end;

        if (www_path != NULL) {
            buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
                                   www_path);
            if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
                goto end;
            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                bytes_read += i;
        }
        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
        BIO_closesocket(SSL_get_fd(scon));

        nConn += 1;
        if (SSL_session_reused(scon)) {
            ver = 'r';
        } else {
            ver = SSL_version(scon);
            if (ver == TLS1_VERSION)
                ver = 't';
            else if (ver == SSL3_VERSION)
                ver = '3';
            else
                ver = '*';
        }
        fputc(ver, stdout);
        fflush(stdout);

        SSL_free(scon);
        scon = NULL;
    }
    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */

    i = (int)((long)time(NULL) - finishtime + maxtime);
    printf
        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
    printf
        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
         nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);

    /*
     * Now loop and time connections using the same session id over and over
     */

 next:
    if (!(perform & 2))
        goto end;
    printf("\n\nNow timing with session id reuse.\n");

    /* Get an SSL object so we can reuse the session id */
    if ((scon = doConnection(NULL, host, ctx)) == NULL) {
        BIO_printf(bio_err, "Unable to get connection\n");
        goto end;
    }

    if (www_path != NULL) {
        buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd, www_path);
        if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
            goto end;
        while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
            continue;
    }
    SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
    BIO_closesocket(SSL_get_fd(scon));

    nConn = 0;
    totalTime = 0.0;

    finishtime = (long)time(NULL) + maxtime;

    printf("starting\n");
    bytes_read = 0;
    tm_Time_F(START);

    for (;;) {
        if (finishtime < (long)time(NULL))
            break;

        if ((doConnection(scon, host, ctx)) == NULL)
            goto end;

        if (www_path != NULL) {
            buf_len = BIO_snprintf(buf, sizeof(buf), fmt_http_get_cmd,
                                   www_path);
            if (buf_len <= 0 || SSL_write(scon, buf, buf_len) <= 0)
                goto end;
            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                bytes_read += i;
        }
        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
        BIO_closesocket(SSL_get_fd(scon));

        nConn += 1;
        if (SSL_session_reused(scon)) {
            ver = 'r';
        } else {
            ver = SSL_version(scon);
            if (ver == TLS1_VERSION)
                ver = 't';
            else if (ver == SSL3_VERSION)
                ver = '3';
            else
                ver = '*';
        }
        fputc(ver, stdout);
        fflush(stdout);
    }
    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */

    printf
        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
    printf
        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
         nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);

    ret = 0;

 end:
    SSL_free(scon);
    SSL_CTX_free(ctx);
    return ret;
}
Ejemplo n.º 2
0
int MAIN(int argc, char **argv)
{
    double totalTime = 0.0;
    int nConn = 0;
    SSL *scon = NULL;
    long finishtime = 0;
    int ret = 1, i;
    char buf[1024 * 8];
    int ver;

    apps_startup();
    s_time_init();

    if (bio_err == NULL)
        bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);

    s_time_meth = SSLv23_client_method();

    /* parse the command line arguments */
    if (parseArgs(argc, argv) < 0)
        goto end;

    OpenSSL_add_ssl_algorithms();
    if ((tm_ctx = SSL_CTX_new(s_time_meth)) == NULL)
        return (1);

    SSL_CTX_set_quiet_shutdown(tm_ctx, 1);

    if (st_bugs)
        SSL_CTX_set_options(tm_ctx, SSL_OP_ALL);
    if(!SSL_CTX_set_cipher_list(tm_ctx, tm_cipher))
        goto end;
    if (!set_cert_stuff(tm_ctx, t_cert_file, t_key_file))
        goto end;

    SSL_load_error_strings();

    if ((!SSL_CTX_load_verify_locations(tm_ctx, CAfile, CApath)) ||
        (!SSL_CTX_set_default_verify_paths(tm_ctx))) {
        /*
         * BIO_printf(bio_err,"error setting default verify locations\n");
         */
        ERR_print_errors(bio_err);
        /* goto end; */
    }

    if (tm_cipher == NULL)
        tm_cipher = getenv("SSL_CIPHER");

    if (tm_cipher == NULL) {
        fprintf(stderr, "No CIPHER specified\n");
    }

    if (!(perform & 1))
        goto next;
    printf("Collecting connection statistics for %d seconds\n", maxTime);

    /* Loop and time how long it takes to make connections */

    bytes_read = 0;
    finishtime = (long)time(NULL) + maxTime;
    tm_Time_F(START);
    for (;;) {
        if (finishtime < (long)time(NULL))
            break;
#ifdef WIN32_STUFF

        if (flushWinMsgs(0) == -1)
            goto end;

        if (waitingToDie || exitNow) /* we're dead */
            goto end;
#endif

        if ((scon = doConnection(NULL)) == NULL)
            goto end;

        if (s_www_path != NULL) {
            BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n",
                         s_www_path);
            if(SSL_write(scon, buf, strlen(buf)) <= 0)
                goto end;
            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                bytes_read += i;
        }
#ifdef NO_SHUTDOWN
        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
        SSL_shutdown(scon);
#endif
        SHUTDOWN2(SSL_get_fd(scon));

        nConn += 1;
        if (SSL_session_reused(scon))
            ver = 'r';
        else {
            ver = SSL_version(scon);
            if (ver == TLS1_VERSION)
                ver = 't';
            else if (ver == SSL3_VERSION)
                ver = '3';
            else
                ver = '*';
        }
        fputc(ver, stdout);
        fflush(stdout);

        SSL_free(scon);
        scon = NULL;
    }
    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */

    i = (int)((long)time(NULL) - finishtime + maxTime);
    printf
        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
    printf
        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
         nConn, (long)time(NULL) - finishtime + maxTime, bytes_read / nConn);

    /*
     * Now loop and time connections using the same session id over and over
     */

 next:
    if (!(perform & 2))
        goto end;
    printf("\n\nNow timing with session id reuse.\n");

    /* Get an SSL object so we can reuse the session id */
    if ((scon = doConnection(NULL)) == NULL) {
        fprintf(stderr, "Unable to get connection\n");
        goto end;
    }

    if (s_www_path != NULL) {
        BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n", s_www_path);
        if(SSL_write(scon, buf, strlen(buf)) <= 0)
            goto end;
        while (SSL_read(scon, buf, sizeof(buf)) > 0) ;
    }
#ifdef NO_SHUTDOWN
    SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
    SSL_shutdown(scon);
#endif
    SHUTDOWN2(SSL_get_fd(scon));

    nConn = 0;
    totalTime = 0.0;

    finishtime = (long)time(NULL) + maxTime;

    printf("starting\n");
    bytes_read = 0;
    tm_Time_F(START);

    for (;;) {
        if (finishtime < (long)time(NULL))
            break;

#ifdef WIN32_STUFF
        if (flushWinMsgs(0) == -1)
            goto end;

        if (waitingToDie || exitNow) /* we're dead */
            goto end;
#endif

        if ((doConnection(scon)) == NULL)
            goto end;

        if (s_www_path) {
            BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n",
                         s_www_path);
            if(SSL_write(scon, buf, strlen(buf)) <= 0)
                goto end;
            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                bytes_read += i;
        }
#ifdef NO_SHUTDOWN
        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
        SSL_shutdown(scon);
#endif
        SHUTDOWN2(SSL_get_fd(scon));

        nConn += 1;
        if (SSL_session_reused(scon))
            ver = 'r';
        else {
            ver = SSL_version(scon);
            if (ver == TLS1_VERSION)
                ver = 't';
            else if (ver == SSL3_VERSION)
                ver = '3';
            else
                ver = '*';
        }
        fputc(ver, stdout);
        fflush(stdout);
    }
    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */

    printf
        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
    printf
        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
         nConn, (long)time(NULL) - finishtime + maxTime,
         bytes_read / (nConn?nConn:1));

    ret = 0;
 end:
    if (scon != NULL)
        SSL_free(scon);

    if (tm_ctx != NULL) {
        SSL_CTX_free(tm_ctx);
        tm_ctx = NULL;
    }
    apps_shutdown();
    OPENSSL_EXIT(ret);
}
Ejemplo n.º 3
0
int main( int argc, char *argv[] )
{
    char *fn = "main()";
    char f_randfile[ PATH_MAX ];
    int listensd;                      /* socket descriptor we'll bind to */
    int clientsd;                      /* incoming socket descriptor */
    int addrlen;
    struct sockaddr_in srvaddr;
    struct sockaddr_in cliaddr;
    pthread_t ThreadId;                /* thread id of each incoming conn */
    pthread_t RecycleThread;           /* used just for the recycle thread */
    pthread_attr_t attr;               /* generic thread attribute struct */
    int rc, i, fd;
    unsigned int ui;
    pid_t pid;                         /* used just for a fork call */
    struct linger lingerstruct;        /* for the socket reuse stuff */
    int flag;                          /* for the socket reuse stuff */
    ICC_Struct *ICC_tptr;
    extern char *optarg;
    extern int optind;
    char ConfigFile[ MAXPATHLEN ];     /* path to our config file */
#ifdef HAVE_LIBWRAP
    struct request_info r;             /* request struct for libwrap */
#endif

    flag = 1;
    ConfigFile[0] = '\0';

    /*
     * Ignore signals we don't want to die from but we don't care enough
     * about to catch.
     */
    signal( SIGPIPE, SIG_IGN );
    signal( SIGHUP, SIG_IGN );


    while (( i = getopt( argc, argv, "f:h" ) ) != EOF )
    {
        switch( i )
        {
        case 'f':
            /* user specified a config filename */
            strncpy( ConfigFile, optarg, sizeof ConfigFile -1 );
            ConfigFile[ sizeof ConfigFile - 1 ] = '\0';
            syslog( LOG_INFO, "%s: Using configuration file '%s'",
                    fn, ConfigFile );
            break;

        case 'h':
            Usage();
            exit( 0 );

        case '?':
            Usage();
            exit( 1 );
        }
    }


    /*
     * Make sure we know which config file to use and then set our config
     * options.
     */
    if ( ! ConfigFile[0] )
    {
        strncpy( ConfigFile, DEFAULT_CONFIG_FILE, sizeof ConfigFile -1 );
        ConfigFile[ sizeof ConfigFile - 1 ] = '\0';
        syslog( LOG_INFO, "%s: Using default configuration file '%s'.",
                fn, ConfigFile );
    }

    SetConfigOptions( ConfigFile );
    SetLogOptions();

    /*
     * Just for logging purposes, are we doing SELECT caching or not?
     */
    if ( PC_Struct.enable_select_cache )
        syslog( LOG_INFO, "%s: SELECT caching is enabled", fn );
    else
        syslog( LOG_INFO, "%s: SELECT caching is disabled", fn );

#ifdef HAVE_LIBWRAP
    /*
     * Set our tcpd service name
     */
    if (service = strrchr(argv[0], '/'))
        service++;
    else
        service = argv[0];
#endif

    /*
     * Initialize some stuff.
     */
    rc = pthread_mutex_init(&mp, NULL);
    if ( rc )
    {
        syslog(LOG_ERR, "%s: pthread_mutex_init() returned error [%d] initializing main mutex.  Exiting.", fn, rc );
        exit( 1 );
    }

    rc = pthread_mutex_init(&trace, NULL);
    if ( rc )
    {
        syslog(LOG_ERR, "%s: pthread_mutex_init() returned error [%d] initializing trace mutex.  Exiting.", fn, rc );
        exit( 1 );
    }

    TraceUser[0] = '\0';

    syslog( LOG_INFO, "%s: Allocating %d IMAP connection structures.",
            fn, PC_Struct.cache_size );

    ICC_free = (ICC_Struct *)malloc( ( sizeof ( ICC_Struct ) )
                                     * PC_Struct.cache_size );

    if ( ! ICC_free )
    {
        syslog(LOG_ERR, "%s: malloc() failed to allocate [%d] IMAPConnectionContext structures: %s", fn, PC_Struct.cache_size, strerror( errno ) );
        exit( 1 );
    }

    memset( ICC_free, 0, sizeof ( ICC_Struct ) * PC_Struct.cache_size );

    ICC_tptr = ICC_free;

    /*
     * Bug fixed by Gary Mills <*****@*****.**>.  I was pre-incrementing
     * ICC_tptr and then assigning.  I guess gcc evaluates the expression
     * incorrectly, since I never had a problem with this.  Gary had the
     * problem with cc, so it's fixed here.
     */
    for ( ui = 0; ui < PC_Struct.cache_size - 1; ui++ )
    {
        ICC_tptr->next = ICC_tptr + 1;
        ICC_tptr++;
    }

    memset( ICC_HashTable, 0, sizeof ICC_HashTable );

    ServerInit();

    /* detach from our parent if necessary */
    if (! (getppid() == 1) && ( ! PC_Struct.foreground_mode ) )
    {
        syslog( LOG_INFO, "%s: Configured to run in background mode.", fn );

        if ( (pid = fork()) < 0)
        {
            syslog(LOG_ERR, "%s: initial call to fork() failed: %s", fn, strerror(errno));
            exit( 1 );
        }
        else if ( pid > 0)
        {
            exit( 0 );
        }

        if (setsid() == -1)
        {
            syslog(LOG_WARNING, "%s: setsid() failed: %s",
                   fn, strerror(errno));
        }
        if ( (pid = fork()) < 0)
        {
            syslog(LOG_ERR, "%s: secondary call to fork() failed: %s", fn,
                   strerror(errno));
            exit( 1 );
        }
        else if ( pid > 0)
        {
            exit( 0 );
        }
    }
    else
    {
        syslog( LOG_INFO, "%s: Configured to run in foreground mode.", fn );
    }


    SetBannerAndCapability();

    if ( PC_Struct.login_disabled || PC_Struct.force_tls )
    {
        syslog( LOG_INFO, "%s: Enabling STARTTLS.", fn );
#if HAVE_LIBSSL
        if ( PC_Struct.support_starttls )
        {
            /* Initialize SSL_CTX */
            SSL_library_init();

            /* Need to seed PRNG, too! */
            if ( RAND_egd( ( RAND_file_name( f_randfile, sizeof( f_randfile ) ) == f_randfile ) ? f_randfile : "/.rnd" ) )
            {
                /* Not an EGD, so read and write it. */
                if ( RAND_load_file( f_randfile, -1 ) )
                    RAND_write_file( f_randfile );
            }

            SSL_load_error_strings();
            tls_ctx = SSL_CTX_new( TLSv1_client_method() );
            if ( tls_ctx == NULL )
            {
                syslog(LOG_ERR, "%s: Failed to create new SSL_CTX.  Exiting.", fn);
                exit( 1 );
            }

            /* Work around all known bugs */
            SSL_CTX_set_options( tls_ctx, SSL_OP_ALL );

            if ( ! SSL_CTX_load_verify_locations( tls_ctx,
                                                  PC_Struct.tls_ca_file,
                                                  PC_Struct.tls_ca_path ) ||
                    ! SSL_CTX_set_default_verify_paths( tls_ctx ) )
            {
                syslog(LOG_ERR, "%s: Failed to load CA data.  Exiting.", fn);
                exit( 1 );
            }

            if ( ! set_cert_stuff( tls_ctx,
                                   PC_Struct.tls_cert_file,
                                   PC_Struct.tls_key_file ) )
            {
                syslog(LOG_ERR, "%s: Failed to load cert/key data.  Exiting.", fn);
                exit( 1 );
            }

            SSL_CTX_set_verify(tls_ctx, SSL_VERIFY_NONE, verify_callback);
        }
        else
#endif /* HAVE_LIBSSL */
        {
            /* We're screwed!  We won't be able to login without SASL */
            syslog(LOG_ERR, "%s: IMAP server has LOGINDISABLED and we can't do STARTTLS.  Exiting.", fn);
            exit( 1 );
        }
    }

    memset( (char *) &srvaddr, 0, sizeof srvaddr );
    srvaddr.sin_family = PF_INET;
    if ( !PC_Struct.listen_addr )
    {
        srvaddr.sin_addr.s_addr = htonl(INADDR_ANY);
    }
    else
    {
        srvaddr.sin_addr.s_addr = inet_addr( PC_Struct.listen_addr );
        if ( srvaddr.sin_addr.s_addr  == -1 )
        {
            syslog( LOG_ERR, "%s: bad bind address: '%s' specified in config file.  Exiting.", fn, PC_Struct.listen_addr );
            exit( 1 );
        }
    }


    syslog(LOG_INFO, "%s: Binding to tcp %s:%d", fn, PC_Struct.listen_addr ?
           PC_Struct.listen_addr : "*", PC_Struct.listen_port );
    srvaddr.sin_port = htons(PC_Struct.listen_port);

    listensd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
    if ( listensd == -1 )
    {
        syslog(LOG_ERR, "%s: socket() failed: %s", fn, strerror(errno));
        exit( 1 );
    }

    setsockopt(listensd, SOL_SOCKET, SO_REUSEADDR, (void *)&flag,
               sizeof(flag));
    lingerstruct.l_onoff = 1;
    lingerstruct.l_linger = 5;
    setsockopt(listensd, SOL_SOCKET, SO_LINGER, (void *)&lingerstruct,
               sizeof(lingerstruct));

    if ( PC_Struct.send_tcp_keepalives )
    {
        lingerstruct.l_onoff = 1;
        syslog( LOG_INFO, "%s: Enabling SO_KEEPALIVE.", fn );
        setsockopt( listensd, SOL_SOCKET, SO_KEEPALIVE, (void *)&lingerstruct.l_onoff, sizeof lingerstruct.l_onoff );
    }


    if ( bind(listensd, (struct sockaddr *)&srvaddr, sizeof( srvaddr ) ) < 0 )
    {
        syslog(LOG_ERR, "%s: bind() failed: %s", fn, strerror(errno) );
        exit( 1 );
    }

    /*
     * Create and mmap() our stat file while we're still root.  Since it's
     * configurable, we want to make sure we do this as root so there's the
     * greatest possibility that we'll have permission to write where we
     * need to.
     */
    syslog( LOG_INFO, "%s: Using global statistics file '%s'", fn,
            PC_Struct.stat_filename );

    fd = open( PC_Struct.stat_filename, O_RDWR | O_CREAT, S_IREAD | S_IWRITE );
    if ( fd == -1 )
    {
        syslog(LOG_ERR, "%s: open() failed for '%s': %s -- Exiting.", fn,
               PC_Struct.stat_filename, strerror( errno ) );
        exit( 1 );
    }

    if ( ( ftruncate( fd, sizeof( IMAPCounter_Struct ) ) ) == -1 )
    {
        syslog(LOG_ERR, "%s: ftruncate() failed: %s -- Exiting.",
               fn, strerror( errno ) );
        exit( 1 );
    }

    IMAPCount = ( IMAPCounter_Struct *)mmap( 0, sizeof( IMAPCounter_Struct ),
                PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );

    if ( IMAPCount == MAP_FAILED )
    {
        syslog(LOG_ERR, "%s: mmap() failed: %s -- Exiting.",
               fn, strerror( errno ) );
        exit( 1 );
    }

    memset( IMAPCount, 0, sizeof( IMAPCounter_Struct ) );
    IMAPCount->StartTime = time( 0 );
    IMAPCount->CountTime = time( 0 );

    if ( BecomeNonRoot() )
        exit( 1 );

    /* some misc thread setup */
    rc = pthread_attr_init( &attr );
    if ( rc )
    {
        syslog(LOG_ERR, "%s: pthread_attr_init() failed: [%d]\n", fn, rc);
        exit( 1 );
    }

    rc = pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_DETACHED );
    if ( rc )
    {
        syslog(LOG_ERR, "%s: pthread_attr_setdetachstate() failed: [%d]\n",
               fn, rc);
        exit( 1 );
    }

    /* launch a recycle thread before we loop */
    pthread_create( &RecycleThread, &attr, (void *)ICC_Recycle_Loop, NULL );

    syslog(LOG_INFO, "%s: Launched ICC recycle thread with id %d",
           fn, RecycleThread );

    /*
     * Now start listening and accepting connections.
     */
    if ( listen(listensd, MAX_CONN_BACKLOG) < 0)
    {
        syslog( LOG_ERR, "%s: listen() failed: %s -- Exiting",
                fn, strerror(errno));
        exit( 1 );
    }

    syslog( LOG_INFO, "%s: Normal server startup.", fn );

    /*
     * Main server loop
     */
    for ( ;; )
    {
        /*
         * Bug fixed by Gary Mills <*****@*****.**>.  I forgot
         * to initialize addrlen.
         */
        addrlen = sizeof cliaddr;
        clientsd = accept( listensd, (struct sockaddr *)&cliaddr, &addrlen );
        if ( clientsd == -1 )
        {
            syslog(LOG_WARNING, "%s: accept() failed: %s -- retrying",
                   fn, strerror(errno));
            sleep( 1 );
            continue;
        }

#ifdef HAVE_LIBWRAP
        request_init(&r, RQ_DAEMON, service, 0);
        request_set(&r, RQ_FILE, clientsd, 0);
        sock_host(&r);
        if (!hosts_access(&r))
        {
            shutdown(clientsd, SHUT_RDWR);
            close(clientsd);
            syslog(deny_severity, "refused connection from %s", eval_client(&r));
            continue;
        }
#endif

        IMAPCount->TotalClientConnectionsAccepted++;
        IMAPCount->CurrentClientConnections++;

        if ( IMAPCount->CurrentClientConnections >
                IMAPCount->PeakClientConnections )
            IMAPCount->PeakClientConnections = IMAPCount->CurrentClientConnections;

        pthread_create( &ThreadId, &attr, (void *)HandleRequest, (void *)clientsd );

    }
}
Ejemplo n.º 4
0
int s_time_main(int argc, char **argv)
{
    char buf[1024 * 8];
    SSL *scon = NULL;
    SSL_CTX *ctx = NULL;
    const SSL_METHOD *meth = NULL;
    char *CApath = NULL, *CAfile = NULL, *cipher = NULL, *www_path = NULL;
    char *host = SSL_CONNECT_NAME, *certfile = NULL, *keyfile = NULL, *prog;
    double totalTime = 0.0;
    int maxtime = SECONDS, nConn = 0, perform = 3, ret = 1, i, st_bugs =
        0, ver;
    long bytes_read = 0, finishtime = 0;
    OPTION_CHOICE o;
#ifdef OPENSSL_SYS_WIN32
    int exitNow = 0;            /* Set when it's time to exit main */
#endif

    meth = TLS_client_method();
    verify_depth = 0;
    verify_error = X509_V_OK;

    prog = opt_init(argc, argv, s_time_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
 opthelp:
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(s_time_options);
            ret = 0;
            goto end;
        case OPT_CONNECT:
            host = opt_arg();
            break;
        case OPT_REUSE:
            perform = 2;
            break;
        case OPT_NEW:
            perform = 1;
            break;
        case OPT_VERIFY:
            if (!opt_int(opt_arg(), &verify_depth))
                goto opthelp;
            BIO_printf(bio_err, "%s: verify depth is %d\n",
                       prog, verify_depth);
            break;
        case OPT_CERT:
            certfile = opt_arg();
            break;
        case OPT_KEY:
            keyfile = opt_arg();
            break;
        case OPT_CAPATH:
            CApath = opt_arg();
            break;
        case OPT_CAFILE:
            CAfile = opt_arg();
            break;
        case OPT_CIPHER:
            cipher = opt_arg();
            break;
        case OPT_BUGS:
            st_bugs = 1;
            break;
        case OPT_TIME:
            if (!opt_int(opt_arg(), &maxtime))
                goto opthelp;
            break;
        case OPT_WWW:
            www_path = opt_arg();
            if (strlen(www_path) > MYBUFSIZ - 100) {
                BIO_printf(bio_err, "%s: -www option too long\n", prog);
                goto end;
            }
            break;
        case OPT_SSL3:
#ifndef OPENSSL_NO_SSL3
            meth = SSLv3_client_method();
#endif
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();

    if (cipher == NULL)
        cipher = getenv("SSL_CIPHER");
    if (cipher == NULL) {
        BIO_printf(bio_err, "No CIPHER specified\n");
        goto end;
    }

    if ((ctx = SSL_CTX_new(meth)) == NULL)
        goto end;

    SSL_CTX_set_quiet_shutdown(ctx, 1);

    if (st_bugs)
        SSL_CTX_set_options(ctx, SSL_OP_ALL);
    if (!SSL_CTX_set_cipher_list(ctx, cipher))
        goto end;
    if (!set_cert_stuff(ctx, certfile, keyfile))
        goto end;

    if (!ctx_set_verify_locations(ctx, CAfile, CApath)) {
        ERR_print_errors(bio_err);
        goto end;
    }
    if (!(perform & 1))
        goto next;
    printf("Collecting connection statistics for %d seconds\n", maxtime);

    /* Loop and time how long it takes to make connections */

    bytes_read = 0;
    finishtime = (long)time(NULL) + maxtime;
    tm_Time_F(START);
    for (;;) {
        if (finishtime < (long)time(NULL))
            break;
#ifdef WIN32_STUFF

        if (flushWinMsgs(0) == -1)
            goto end;

        if (waitingToDie || exitNow) /* we're dead */
            goto end;
#endif

        if ((scon = doConnection(NULL, host, ctx)) == NULL)
            goto end;

        if (www_path != NULL) {
            BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n",
                         www_path);
            if (SSL_write(scon, buf, strlen(buf)) <= 0)
                goto end;
            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                bytes_read += i;
        }
#ifdef NO_SHUTDOWN
        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
        SSL_shutdown(scon);
#endif
        SHUTDOWN2(SSL_get_fd(scon));

        nConn += 1;
        if (SSL_session_reused(scon))
            ver = 'r';
        else {
            ver = SSL_version(scon);
            if (ver == TLS1_VERSION)
                ver = 't';
            else if (ver == SSL3_VERSION)
                ver = '3';
            else
                ver = '*';
        }
        fputc(ver, stdout);
        fflush(stdout);

        SSL_free(scon);
        scon = NULL;
    }
    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */

    i = (int)((long)time(NULL) - finishtime + maxtime);
    printf
        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
    printf
        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
         nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);

    /*
     * Now loop and time connections using the same session id over and over
     */

 next:
    if (!(perform & 2))
        goto end;
    printf("\n\nNow timing with session id reuse.\n");

    /* Get an SSL object so we can reuse the session id */
    if ((scon = doConnection(NULL, host, ctx)) == NULL) {
        BIO_printf(bio_err, "Unable to get connection\n");
        goto end;
    }

    if (www_path != NULL) {
        BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n", www_path);
        if (SSL_write(scon, buf, strlen(buf)) <= 0)
            goto end;
        while (SSL_read(scon, buf, sizeof(buf)) > 0)
            continue;
    }
#ifdef NO_SHUTDOWN
    SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
    SSL_shutdown(scon);
#endif
    SHUTDOWN2(SSL_get_fd(scon));

    nConn = 0;
    totalTime = 0.0;

    finishtime = (long)time(NULL) + maxtime;

    printf("starting\n");
    bytes_read = 0;
    tm_Time_F(START);

    for (;;) {
        if (finishtime < (long)time(NULL))
            break;

#ifdef WIN32_STUFF
        if (flushWinMsgs(0) == -1)
            goto end;

        if (waitingToDie || exitNow) /* we're dead */
            goto end;
#endif

        if ((doConnection(scon, host, ctx)) == NULL)
            goto end;

        if (www_path) {
            BIO_snprintf(buf, sizeof buf, "GET %s HTTP/1.0\r\n\r\n",
                         www_path);
            if (SSL_write(scon, buf, strlen(buf)) <= 0)
                goto end;
            while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
                bytes_read += i;
        }
#ifdef NO_SHUTDOWN
        SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
        SSL_shutdown(scon);
#endif
        SHUTDOWN2(SSL_get_fd(scon));

        nConn += 1;
        if (SSL_session_reused(scon))
            ver = 'r';
        else {
            ver = SSL_version(scon);
            if (ver == TLS1_VERSION)
                ver = 't';
            else if (ver == SSL3_VERSION)
                ver = '3';
            else
                ver = '*';
        }
        fputc(ver, stdout);
        fflush(stdout);
    }
    totalTime += tm_Time_F(STOP); /* Add the time for this iteration */

    printf
        ("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n",
         nConn, totalTime, ((double)nConn / totalTime), bytes_read);
    printf
        ("%d connections in %ld real seconds, %ld bytes read per connection\n",
         nConn, (long)time(NULL) - finishtime + maxtime, bytes_read / nConn);

    ret = 0;

 end:
    SSL_free(scon);
    SSL_CTX_free(ctx);
    return (ret);
}
Ejemplo n.º 5
0
/***********************************************************************
 * MAIN - main processing area for client
 *			real name depends on MONOLITH
 */
int
s_time_main(int argc, char **argv)
{
	double totalTime = 0.0;
	int nConn = 0;
	SSL *scon = NULL;
	long finishtime = 0;
	int ret = 1, i;
	char buf[1024 * 8];
	int ver;

	s_time_meth = SSLv23_client_method();

	verify_depth = 0;
	verify_error = X509_V_OK;

	memset(&s_time_config, 0, sizeof(s_time_config));

	s_time_config.host = SSL_CONNECT_NAME;
	s_time_config.maxtime = SECONDS;
	s_time_config.perform = 3;
	s_time_config.verify = SSL_VERIFY_NONE;
	s_time_config.verify_depth = -1;

	if (options_parse(argc, argv, s_time_options, NULL, NULL) != 0) {
		s_time_usage();
		goto end;
	}

	if (s_time_config.verify_depth >= 0) {
		s_time_config.verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE;
		verify_depth = s_time_config.verify_depth;
		BIO_printf(bio_err, "verify depth is %d\n", verify_depth);
	}

	if (s_time_config.www_path != NULL &&
	    strlen(s_time_config.www_path) > MYBUFSIZ - 100) {
		BIO_printf(bio_err, "-www option too long\n");
		goto end;
	}

	if ((tm_ctx = SSL_CTX_new(s_time_meth)) == NULL)
		return (1);

	SSL_CTX_set_quiet_shutdown(tm_ctx, 1);

	if (s_time_config.bugs)
		SSL_CTX_set_options(tm_ctx, SSL_OP_ALL);

	if (s_time_config.cipher != NULL) {
		if (!SSL_CTX_set_cipher_list(tm_ctx, s_time_config.cipher)) {
			BIO_printf(bio_err, "error setting cipher list\n");
			ERR_print_errors(bio_err);
			goto end;
		}
	}

	if (!set_cert_stuff(tm_ctx, s_time_config.certfile,
	    s_time_config.keyfile))
		goto end;

	if ((!SSL_CTX_load_verify_locations(tm_ctx, s_time_config.CAfile,
	    s_time_config.CApath)) ||
	    (!SSL_CTX_set_default_verify_paths(tm_ctx))) {
		/*
		 * BIO_printf(bio_err,"error setting default verify
		 * locations\n");
		 */
		ERR_print_errors(bio_err);
		/* goto end; */
	}

	if (!(s_time_config.perform & 1))
		goto next;
	printf("Collecting connection statistics for %d seconds\n",
	    s_time_config.maxtime);

	/* Loop and time how long it takes to make connections */

	bytes_read = 0;
	finishtime = (long) time(NULL) + s_time_config.maxtime;
	tm_Time_F(START);
	for (;;) {
		if (finishtime < (long) time(NULL))
			break;
		if ((scon = doConnection(NULL)) == NULL)
			goto end;

		if (s_time_config.www_path != NULL) {
			int retval = snprintf(buf, sizeof buf,
			    "GET %s HTTP/1.0\r\n\r\n", s_time_config.www_path);
			if ((size_t)retval >= sizeof buf) {
				fprintf(stderr, "URL too long\n");
				goto end;
			}
			SSL_write(scon, buf, strlen(buf));
			while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
				bytes_read += i;
		}
#ifdef NO_SHUTDOWN
		SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
		SSL_shutdown(scon);
#endif
		shutdown(SSL_get_fd(scon), SHUT_RDWR);
		close(SSL_get_fd(scon));

		nConn += 1;
		if (SSL_session_reused(scon))
			ver = 'r';
		else {
			ver = SSL_version(scon);
			if (ver == TLS1_VERSION)
				ver = 't';
			else if (ver == SSL3_VERSION)
				ver = '3';
			else if (ver == SSL2_VERSION)
				ver = '2';
			else
				ver = '*';
		}
		fputc(ver, stdout);
		fflush(stdout);

		SSL_free(scon);
		scon = NULL;
	}
	totalTime += tm_Time_F(STOP);	/* Add the time for this iteration */

	i = (int) ((long) time(NULL) - finishtime + s_time_config.maxtime);
	printf("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double) nConn / totalTime), bytes_read);
	printf("%d connections in %ld real seconds, %ld bytes read per connection\n", nConn, (long) time(NULL) - finishtime + s_time_config.maxtime, bytes_read / nConn);

	/*
	 * Now loop and time connections using the same session id over and
	 * over
	 */

next:
	if (!(s_time_config.perform & 2))
		goto end;
	printf("\n\nNow timing with session id reuse.\n");

	/* Get an SSL object so we can reuse the session id */
	if ((scon = doConnection(NULL)) == NULL) {
		fprintf(stderr, "Unable to get connection\n");
		goto end;
	}
	if (s_time_config.www_path != NULL) {
		int retval = snprintf(buf, sizeof buf,
		    "GET %s HTTP/1.0\r\n\r\n", s_time_config.www_path);
		if ((size_t)retval >= sizeof buf) {
			fprintf(stderr, "URL too long\n");
			goto end;
		}
		SSL_write(scon, buf, strlen(buf));
		while (SSL_read(scon, buf, sizeof(buf)) > 0);
	}
#ifdef NO_SHUTDOWN
	SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
	SSL_shutdown(scon);
#endif
	shutdown(SSL_get_fd(scon), SHUT_RDWR);
	close(SSL_get_fd(scon));

	nConn = 0;
	totalTime = 0.0;

	finishtime = (long) time(NULL) + s_time_config.maxtime;

	printf("starting\n");
	bytes_read = 0;
	tm_Time_F(START);

	for (;;) {
		if (finishtime < (long) time(NULL))
			break;
		if ((doConnection(scon)) == NULL)
			goto end;

		if (s_time_config.www_path) {
			int retval = snprintf(buf, sizeof buf,
			    "GET %s HTTP/1.0\r\n\r\n", s_time_config.www_path);
			if ((size_t)retval >= sizeof buf) {
				fprintf(stderr, "URL too long\n");
				goto end;
			}
			SSL_write(scon, buf, strlen(buf));
			while ((i = SSL_read(scon, buf, sizeof(buf))) > 0)
				bytes_read += i;
		}
#ifdef NO_SHUTDOWN
		SSL_set_shutdown(scon, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
#else
		SSL_shutdown(scon);
#endif
		shutdown(SSL_get_fd(scon), SHUT_RDWR);
		close(SSL_get_fd(scon));

		nConn += 1;
		if (SSL_session_reused(scon))
			ver = 'r';
		else {
			ver = SSL_version(scon);
			if (ver == TLS1_VERSION)
				ver = 't';
			else if (ver == SSL3_VERSION)
				ver = '3';
			else if (ver == SSL2_VERSION)
				ver = '2';
			else
				ver = '*';
		}
		fputc(ver, stdout);
		fflush(stdout);
	}
	totalTime += tm_Time_F(STOP);	/* Add the time for this iteration */


	printf("\n\n%d connections in %.2fs; %.2f connections/user sec, bytes read %ld\n", nConn, totalTime, ((double) nConn / totalTime), bytes_read);
	printf("%d connections in %ld real seconds, %ld bytes read per connection\n", nConn, (long) time(NULL) - finishtime + s_time_config.maxtime, bytes_read / nConn);

	ret = 0;
end:
	if (scon != NULL)
		SSL_free(scon);

	if (tm_ctx != NULL) {
		SSL_CTX_free(tm_ctx);
		tm_ctx = NULL;
	}

	return (ret);
}
Ejemplo n.º 6
0
int main( int argc, char *argv[] )
{
    const char *fn = "main()";
    char f_randfile[ PATH_MAX ];
    int listensd;                      /* socket descriptor we'll bind to */
    int clientsd;                      /* incoming socket descriptor */
    int sockaddrlen;                       
    struct sockaddr_storage srvaddr;
    struct sockaddr_storage cliaddr;
    pthread_t ThreadId;                /* thread id of each incoming conn */
    pthread_t RecycleThread;           /* used just for the recycle thread */
    pthread_attr_t attr;               /* generic thread attribute struct */
    int rc, i, fd;
    unsigned int ui;
    struct linger lingerstruct;        /* for the socket reuse stuff */
    int flag;                          /* for the socket reuse stuff */
    ICC_Struct *ICC_tptr;             
    extern char *optarg;
    extern int optind;
    char ConfigFile[ MAXPATHLEN ];     /* path to our config file */
    char PidFile[ MAXPATHLEN ];		/* path to our pidfile */
#ifdef HAVE_LIBWRAP
    struct request_info r;             /* request struct for libwrap */
#endif
    struct addrinfo aihints, *ai;
    int gaierrnum;

    flag = 1;
    ConfigFile[0] = '\0';
    strncpy( PidFile, DEFAULT_PID_FILE, sizeof PidFile -1 );

    /*
     * Ignore signals we don't want to die from but we don't care enough
     * about to catch.
     */
    signal( SIGPIPE, SIG_IGN );
    signal( SIGHUP, SIG_IGN );
    

    while (( i = getopt( argc, argv, "f:p:h" ) ) != EOF )
    {
	switch( i )
	{
	case 'f':
	    /* user specified a config filename */
	    strncpy( ConfigFile, optarg, sizeof ConfigFile -1 );
	    ConfigFile[ sizeof ConfigFile - 1 ] = '\0';
	    syslog( LOG_INFO, "%s: Using configuration file '%s'",
		    fn, ConfigFile );
	    break;
        
        case 'p':
            /* user specified a pidfile */
            strncpy( PidFile, optarg, sizeof PidFile -1 );
            PidFile[ sizeof PidFile - 1 ] = '\0';
            syslog( LOG_INFO, "%s: Using pidfile '%s'",
            fn, PidFile );
            break;
        
	case 'h':
	    Usage();
	    exit( 0 );

	case '?':
	    Usage();
	    exit( 1 );
	}
    }


    /* 
     * Make sure we know which config file to use and then set our config
     * options.
     */
    if ( ! ConfigFile[0] )
    {
	strncpy( ConfigFile, DEFAULT_CONFIG_FILE, sizeof ConfigFile -1 );
	ConfigFile[ sizeof ConfigFile - 1 ] = '\0';
	syslog( LOG_INFO, "%s: Using default configuration file '%s'.",
		fn, ConfigFile );
    }

    SetDefaultConfigValues(&PC_Struct);
    SetConfigOptions( ConfigFile );
    SetLogOptions();

    /*
     * Just for logging purposes, are we doing SELECT caching or not?
     */
    if ( PC_Struct.enable_select_cache )
	syslog( LOG_INFO, "%s: SELECT caching is enabled", fn );
    else
	syslog( LOG_INFO, "%s: SELECT caching is disabled", fn );
	
    /*
     * Just for logging purposes, are the admin commands enabled or not?
     */
     if ( PC_Struct.enable_admin_commands )
	 syslog( LOG_INFO, "%s: Internal admin commands are enabled", fn );
     else
	 syslog( LOG_INFO, "%s: Internal admin commands are disabled", fn );
     

#ifdef HAVE_LIBWRAP
    /*
     * Set our tcpd service name
     */
    if (service = strrchr(argv[0], '/'))
	    service++;
    else
	    service = argv[0];
#endif

    /*
     * Initialize some stuff.
     */
    rc = pthread_mutex_init(&mp, NULL);
    if ( rc )
    {
	syslog(LOG_ERR, "%s: pthread_mutex_init() returned error [%d] initializing main mutex.  Exiting.", fn, rc );
	exit( 1 );
    }

    rc = pthread_mutex_init(&trace, NULL);
    if ( rc )
    {
	syslog(LOG_ERR, "%s: pthread_mutex_init() returned error [%d] initializing trace mutex.  Exiting.", fn, rc );
	exit( 1 );
    }

    TraceUser[0] = '\0';
    
    syslog( LOG_INFO, "%s: Allocating %d IMAP connection structures.", 
	    fn, PC_Struct.cache_size );

    ICC_free = (ICC_Struct *)malloc( ( sizeof ( ICC_Struct ) ) 
		       * PC_Struct.cache_size );
    
    if ( ! ICC_free )
    {
	syslog(LOG_ERR, "%s: malloc() failed to allocate [%d] IMAPConnectionContext structures: %s", fn, PC_Struct.cache_size, strerror( errno ) );
	exit( 1 );
    }
    
    memset( ICC_free, 0, sizeof ( ICC_Struct ) * PC_Struct.cache_size );
    
    ICC_tptr = ICC_free;

    /*
     * Bug fixed by Gary Mills <*****@*****.**>.  I was pre-incrementing
     * ICC_tptr and then assigning.  I guess gcc evaluates the expression
     * incorrectly, since I never had a problem with this.  Gary had the
     * problem with cc, so it's fixed here.
     */
    for ( ui = 0; ui < PC_Struct.cache_size - 1; ui++ )
    {
	ICC_tptr->next = ICC_tptr + 1;
	ICC_tptr++;
    }
    
    memset( ICC_HashTable, 0, sizeof ICC_HashTable );


#if HAVE_LIBSSL
    /* Initialize SSL_CTX */
    syslog( LOG_INFO, "%s: Enabling openssl library.", fn );
    SSL_library_init();

    /* Set up OpenSSL thread protection */
    ssl_thread_setup(fn);

    /* Need to seed PRNG, too! */
    if ( RAND_egd( ( RAND_file_name( f_randfile, sizeof( f_randfile ) ) == f_randfile ) ? f_randfile : "/.rnd" ) )
    {
	/* Not an EGD, so read and write it. */
	if ( RAND_load_file( f_randfile, -1 ) )
	RAND_write_file( f_randfile );
    }

    SSL_load_error_strings();
    tls_ctx = SSL_CTX_new( TLSv1_client_method() );
    if ( tls_ctx == NULL )
    { 
	syslog(LOG_ERR, "%s: Failed to create new SSL_CTX.  Exiting.", fn);
	exit( 1 );
    }
 
    /* Work around all known bugs */
    SSL_CTX_set_options( tls_ctx, SSL_OP_ALL );
 
    if ( PC_Struct.tls_ca_file != NULL || PC_Struct.tls_ca_path != NULL )
    {
	rc = SSL_CTX_load_verify_locations( tls_ctx,
					    PC_Struct.tls_ca_file,
					    PC_Struct.tls_ca_path );
    }
    else
    {
	rc = SSL_CTX_set_default_verify_paths( tls_ctx );
    }
    if ( rc == 0 )
    { 
	syslog(LOG_ERR, "%s: Failed to load CA data.  Exiting.", fn);
	exit( 1 );
    }
 
    if ( ! set_cert_stuff( tls_ctx,
			    PC_Struct.tls_cert_file,
			    PC_Struct.tls_key_file ) )
    { 
	syslog(LOG_ERR, "%s: Failed to load cert/key data.  Exiting.", fn);
	exit( 1 );
    }

    SSL_CTX_set_verify(tls_ctx, SSL_VERIFY_NONE, verify_callback);
#endif /* HAVE_LIBSSL */


    ServerInit();
    
    /* Daemonize() would go here */

    SetBannerAndCapability();
    

    /*
     * We don't need to check PC_Struct.support_starttls since we
     * probably have refetched the capability list after a STARTTLS
     * if we did one; it won't ever be supported at this point.
     *
     * It also makes no difference to check PC_Struct.force_tls now
     * because we've either done a STARTTLS or we haven't - all that
     * matters is if we got LOGINDISABLED or not.
     *
     * Note that all these things *ARE* tested when checking the
     * server capabilities (in fact, the following check is probably
     * a duplicate).
     */
    if ( PC_Struct.login_disabled )
    {
	/* We're screwed!  We can't login */
	syslog(LOG_ERR,
		"%s: IMAP server has LOGINDISABLED.  Exiting.",
		fn);
	exit( 1 );
    }


    memset( &aihints, 0, sizeof aihints );
    aihints.ai_family = AF_UNSPEC;
    aihints.ai_socktype = SOCK_STREAM;
    aihints.ai_flags = AI_PASSIVE;

    if ( ( gaierrnum = getaddrinfo( PC_Struct.listen_addr,
				    PC_Struct.listen_port,
				    &aihints, &ai ) ) )
	{
	    syslog( LOG_ERR, "%s: bad bind address: '%s' specified in config file.  Exiting.", fn, PC_Struct.listen_addr );
	    exit( 1 );
	}

    syslog( LOG_INFO, "%s: Binding to tcp %s:%s", fn,
	    PC_Struct.listen_addr ? PC_Struct.listen_addr : "*",
	    PC_Struct.listen_port );

    for ( ; ai != NULL; ai = ai->ai_next )
    {
	listensd = socket( ai->ai_family, ai->ai_socktype, ai->ai_protocol );
    if ( listensd == -1 )
    {
	    syslog(LOG_WARNING, "%s: socket() failed: %s", fn, strerror(errno));
	    continue;
    }

    setsockopt(listensd, SOL_SOCKET, SO_REUSEADDR, (void *)&flag, 
	       sizeof(flag));
    lingerstruct.l_onoff = 1;
    lingerstruct.l_linger = 5;
    setsockopt(listensd, SOL_SOCKET, SO_LINGER, (void *)&lingerstruct, 
	       sizeof(lingerstruct));

    if ( PC_Struct.send_tcp_keepalives )
    {
	lingerstruct.l_onoff = 1;
	syslog( LOG_INFO, "%s: Enabling SO_KEEPALIVE.", fn );
	setsockopt( listensd, SOL_SOCKET, SO_KEEPALIVE, (void *)&lingerstruct.l_onoff, sizeof lingerstruct.l_onoff );
    }

	memcpy( &srvaddr, ai->ai_addr, ai->ai_addrlen );
	if ( bind( listensd, (struct sockaddr *)&srvaddr, ai->ai_addrlen ) < 0 )
    {
	    syslog(LOG_WARNING, "%s: bind() failed: %s", fn, strerror(errno) );
	    continue;
	}
	else break;
    }
    if ( ai == NULL )
    {
	syslog( LOG_ERR, "%s: no useable addresses to bind to", fn );
	exit( EXIT_FAILURE);
    }

    /*
     * Create and mmap() our stat file while we're still root.  Since it's
     * configurable, we want to make sure we do this as root so there's the
     * greatest possibility that we'll have permission to write where we
     * need to.
     */
    syslog( LOG_INFO, "%s: Using global statistics file '%s'", fn,
	    PC_Struct.stat_filename );
    
    fd = open( PC_Struct.stat_filename, O_RDWR | O_CREAT, S_IREAD | S_IWRITE );
    if ( fd == -1 )
    {
	syslog(LOG_ERR, "%s: open() failed for '%s': %s -- Exiting.", fn, 
	       PC_Struct.stat_filename, strerror( errno ) );
	exit( 1 );
    }
    
    if ( ( ftruncate( fd, sizeof( IMAPCounter_Struct ) ) ) == -1 )
    {
	syslog(LOG_ERR, "%s: ftruncate() failed: %s -- Exiting.", 
	       fn, strerror( errno ) );
	exit( 1 );
    }
    
    IMAPCount = ( IMAPCounter_Struct *)mmap( 0, sizeof( IMAPCounter_Struct ), 
		    PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0 );
    
    if ( IMAPCount == MAP_FAILED )
    {
	syslog(LOG_ERR, "%s: mmap() failed: %s -- Exiting.", 
	       fn, strerror( errno ) );
	exit( 1 );
    }
    
    memset( IMAPCount, 0, sizeof( IMAPCounter_Struct ) );
    IMAPCount->StartTime = time( 0 );
    IMAPCount->CountTime = time( 0 );

    /*
     * Daemonize as late as possible, so that connection failures can be caught
     * and startup aborted before dettaching from parent
     */
    Daemonize( PidFile );

    if ( BecomeNonRoot() )
	exit( 1 );

    /* some misc thread setup */
    rc = pthread_attr_init( &attr );
    if ( rc )
    {
	syslog(LOG_ERR, "%s: pthread_attr_init() failed: [%d]\n", fn, rc);
	exit( 1 );
    }
    
    rc = pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_DETACHED );
    if ( rc )
    {
	syslog(LOG_ERR, "%s: pthread_attr_setdetachstate() failed: [%d]\n", 
	       fn, rc);
	exit( 1 );
    }

    /* launch a recycle thread before we loop */
    pthread_create( &RecycleThread, &attr, (void *)ICC_Recycle_Loop, NULL );

    syslog(LOG_INFO, "%s: Launched ICC recycle thread with id %d", 
	   fn, (int)RecycleThread );

    /*
     * Now start listening and accepting connections.
     */
    if ( listen(listensd, MAX_CONN_BACKLOG) < 0)
    {
	syslog( LOG_ERR, "%s: listen() failed: %s -- Exiting", 
	       fn, strerror(errno));
	exit( 1 );
    }

    syslog( LOG_INFO, "%s: squirrelmail-imap_proxy version %s normal server startup.", fn, IMAP_PROXY_VERSION );

    /*
     * Main server loop
     */
    for ( ;; )
    {
	/*
	 * Bug fixed by Gary Mills <*****@*****.**>.  I forgot
	 * to initialize sockaddrlen.
	 */
	sockaddrlen = sizeof cliaddr;
	clientsd = accept( listensd, (struct sockaddr *)&cliaddr,
			   &sockaddrlen );
	if ( clientsd == -1 )
	{
	    syslog(LOG_WARNING, "%s: accept() failed: %s -- retrying", 
		   fn, strerror(errno));
	    sleep( 1 );
	    continue;
	}

#ifdef HAVE_LIBWRAP
	request_init(&r, RQ_DAEMON, service, 0);
	request_set(&r, RQ_FILE, clientsd, 0);
	sock_host(&r);
	if (!hosts_access(&r))
	{
	    shutdown(clientsd, SHUT_RDWR);
	    close(clientsd);
	    syslog(deny_severity, "refused connection from %s", eval_client(&r));
	    continue;
	}
#endif

	IMAPCount->TotalClientConnectionsAccepted++;
	IMAPCount->CurrentClientConnections++;
	
	if ( IMAPCount->CurrentClientConnections > 
	     IMAPCount->PeakClientConnections )
	    IMAPCount->PeakClientConnections = IMAPCount->CurrentClientConnections;
	
	rc = pthread_create( &ThreadId, &attr, (void *)HandleRequest, (void *)clientsd );
	if (rc != 0) {
	    syslog(LOG_ERR, "%s: pthread_create() returned error [%d] for HandleRequest.", fn, rc );
	    close(clientsd);
	}
	
    }
}