#!/usr/bin/env python
from subprocess import Popen, PIPE, STDOUT
import logging
import re
from servercrashdata import ServerCrashData
from target import targetutils
from abstractverifierservermanager import AbstractVerifierServerManager
class GdbServerManager(AbstractVerifierServerManager):
def __init__(self, config, queue_sync, queue_out, targetPort):
AbstractVerifierServerManager.__init__(self, config, queue_sync, queue_out, targetPort)
self.gdbOutput = None
def _getCrashDetails(self):
ret = self.gdbOutput
logging.info("get crash details, res: " + str(len(ret)))
p = re.compile('#.*\(gdb\)', re.S)
backtrace = re.search(p, ret, flags=0).group()
#self.queue_stdout.put(backtrace)
backtraceFrames = backtrace.split('\n')
i = 0
res = []
while(i < len(backtraceFrames)):
if backtraceFrames[i].startswith("#"):
res.append(backtraceFrames[i].rstrip("\n\r"))
i += 1
serverCrashData = ServerCrashData(
backtrace=res,
analyzerOutput=ret,
analyzerType="gdb"
)
gdbOutput = targetutils.getAsanOutput(self.config, self.pid)
if gdbOutput is not None:
serverCrashData.setAsan(gdbOutput)
return serverCrashData
def _waitForCrash(self):
logging.info("ServerManager: GDB: Wait for crash")
# start gdb
argsGdb = [ "/usr/bin/gdb", self.config["target_bin"], '-q' ]
logging.info("Start server: " + str(argsGdb))
p = Popen(argsGdb, stdout=PIPE, stdin=PIPE, stderr=PIPE)
data1 = "r " + self.config["target_args"] % ( { "port": self.targetPort } )
data1 += "\nbt\n"
ret = p.communicate(input=data1)[0]
self.gdbOutput = ret
return True
def _startServer(self):
pass
def _stopServer(self):
pass
