C++ DynamicPreprocessorData::fatalMsg方法代码示例

NORETURN void DynamicPreprocessorFatalMessage(const char *format, ...)
{
    char buf[STD_BUF];
    va_list ap;

    va_start(ap, format);
    vsnprintf(buf, STD_BUF, format, ap);
    va_end(ap);

    buf[STD_BUF - 1] = '\0';

    _dpd.fatalMsg("%s", buf);

    exit(1);
}

/* Initializes the SSH preprocessor module and registers
 * it in the preprocessor list.
 * 
 * PARAMETERS:  
 *
 * argp:        Pointer to argument string to process for config
 *                      data.
 *
 * RETURNS:     Nothing. 
 */
static  void
SSHInit( u_char* argp )
{
    if(!_dpd.streamAPI) 
    {
        _dpd.fatalMsg("SetupSSH(): The Stream preprocessor must be enabled.\n");
    }

	_dpd.addPreproc( ProcessSSH, PRIORITY_APPLICATION, PP_SSH );

	ParseSSHArgs( argp );

#ifdef PERF_PROFILING
    _dpd.addPreprocProfileFunc("ssh", (void *)&sshPerfStats, 0, _dpd.totalPerfStats);
#endif
}

int LoadConfig( const u_char* conf, SSLConfig* cfg )
{
	ParseContext ctx;
	u_char* conf_copy = NULL;
	ConfigToken TopLevelTokens[] = { Token_Server, Token_EOF };
	ConfigToken token = Token_Unknown;

	error_buffer[0] = 0;

	conf_copy = (u_char*) malloc( strlen( conf ) + 1 );
	strcpy( conf_copy, conf );

	memset( &ctx, 0, sizeof(ctx) );
	ctx.input = conf_copy;
	ctx.config = cfg;

	do 
	{
		token = ParseOneOf( &ctx, TopLevelTokens, ARRAY_SIZE( TopLevelTokens ) );

		if( token == Token_Server ) 
		{
			if( ParseServer( &ctx ) == CONFIG_PARSE_ERROR ) token = CONFIG_PARSE_ERROR;
		}
	} while ( token == Token_Server );

	free( conf_copy ); conf_copy = ctx.input = NULL;

	/* make sure we have at least one server set up */
	if( token != CONFIG_PARSE_ERROR && ctx.config->server_cnt == 0 )
	{
		sprintf( error_buffer, "%s: at least one SSL server's configuration is expected", ERROR_PREFIX );
		token = CONFIG_PARSE_ERROR;
	}

	if( token == CONFIG_PARSE_ERROR ) 
	{
		if( strlen( error_buffer ) )
		{
			_dpd.fatalMsg( "%s(%d) => %s", *(_dpd.config_file), *(_dpd.config_line), error_buffer );
		}
		return CONFIG_PARSE_ERROR;
	}

	PrintSSLConfig( ctx.config );
	return 0;
}

/* Parses and processes the configuration arguments 
 * supplied in the SSH preprocessor rule.
 *
 * PARAMETERS: 
 *
 * argp:        Pointer to string containing the config arguments.
 * 
 * RETURNS:     Nothing.
 */
static void 
ParseSSHArgs( u_char* argp )
{
	char* cur_tokenp = NULL;
	char* argcpyp = NULL;
    int port;
    
    /* Set up default port to listen on */
    ssh_config.ports[ PORT_INDEX( 22 ) ] |= CONV_PORT(22);

	/* Sanity check(s) */
	if ( !argp )
	{
        DisplaySSHConfig();
		return;
	}

	argcpyp = strdup( (char*) argp );

	if ( !argcpyp )
	{
		_dpd.fatalMsg("Could not allocate memory to parse SSH options.\n");
		return;
	}

	cur_tokenp = strtok( argcpyp, " ");

	while ( cur_tokenp )
	{
		if ( !strcmp( cur_tokenp, SSH_SERVERPORTS_KEYWORD ))
		{
            /* If the user specified ports, remove '22' for now since 
             * it now needs to be set explicitely. */
            ssh_config.ports[ PORT_INDEX( 22 ) ] = 0;
            
			/* Eat the open brace. */
			cur_tokenp = strtok( NULL, " ");
			if (( !cur_tokenp ) || ( cur_tokenp[0] != '{' ))
			{
				_dpd.fatalMsg("Bad value specified for %s.\n",
					SSH_SERVERPORTS_KEYWORD);
                free(argcpyp);
                return;
			}

			cur_tokenp = strtok( NULL, " ");
			while (( cur_tokenp ) && ( cur_tokenp[0] != '}' ))
			{
				if ( !isdigit( cur_tokenp[0] ))
				{
					_dpd.fatalMsg("Bad port %s.\n", cur_tokenp );
                    free(argcpyp);
                    return;
				}
				else
				{
                    port = atoi( cur_tokenp );
                    if( port < 0 || port > MAX_PORTS ) 
                    {
					    _dpd.fatalMsg("Port value illegitimate: %s\n", cur_tokenp);
                        free(argcpyp);
                        return;
                    }
                    
                    ssh_config.ports[ PORT_INDEX( port ) ] |= CONV_PORT(port);
				}

				cur_tokenp = strtok( NULL, " ");
			}
				
		}
		else if ( !strcmp( cur_tokenp, SSH_AUTODETECT_KEYWORD ))
		{
			ssh_config.AutodetectEnabled++;
		}
		else if ( !strcmp( cur_tokenp, SSH_MAX_ENC_PKTS_KEYWORD ))
		{
			cur_tokenp = strtok( NULL, " ");
			if (( !cur_tokenp ) || !isdigit(cur_tokenp[0]) )
			{
				_dpd.logMsg("Bad value specified for %s."
					"Reverting to default value %d. ",
					SSH_MAX_ENC_PKTS_KEYWORD, 
					SSH_DEFAULT_MAX_ENC_PKTS );
			}
			else
			{
				ssh_config.MaxEncryptedPackets = (u_int16_t)
						atoi( cur_tokenp );
			}
		}
//.........这里部分代码省略.........