def startButtonClicked(self, widget):
appName = self.appEntry.get_text()
param = self.paramEntry.get_text()
if appName == "":
messDlg = gtk.MessageDialog(
type=gtk.MESSAGE_ERROR,
buttons=gtk.BUTTONS_CLOSE,
message_format="Path to aplication is empty")
messDlg.run()
messDlg.destroy()
return
if not self.modeBasic:
if self.faults == {}:
messDlg = gtk.MessageDialog(type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_CLOSE,
message_format="No fault is added")
messDlg.run()
messDlg.destroy()
return
# nastavi se zobrazovany stav
self.progress.set_fraction(0.0)
self.progress.set_visible(True)
self.labelStatus.set_label("Running")
self.imageYes.set_visible(True)
self.imageNo.set_visible(False)
# vyprazdni se Log
self.logText = ""
self.textBuffer.set_text(self.logText)
# zneplatni se tlacitka a vkladane chyby
widget.set_sensitive(False)
self.addButton = self.builder.get_object("addButton")
self.addButton.set_sensitive(False)
self.removeButton = self.builder.get_object("removeButton")
self.removeButton.set_sensitive(False)
self.browseButton = self.builder.get_object("browseButton")
self.browseButton.set_sensitive(False)
self.panely = self.builder.get_object("panely")
self.panely.set_sensitive(False)
self.menu = self.builder.get_object("menubar1")
self.menu.set_sensitive(False)
termButton = self.builder.get_object("termButton")
termButton.set_sensitive(True)
# vygeneruje soubor pro systemtap
generator = GenerateStap()
try:
if self.modeBasic:
generator.generateNormalInjection(self.injectBasicFilename,
self.syscallsAndErrors[1],
self.enableFault,
self.missingSyscall,
self.basicError)
else:
generator.generate(self.injectAdvancedFilename, self.faults,
self.faultsStartValue,
self.syscallsAndErrors[1])
except IOError:
self.endTestApp()
self.threadError(
"Permission denied.\nClose application and run as root")
return
# vytvoreni injectoru, ktery spousti testovani (Systemtap)
if self.modeBasic:
self.injector = Injector(appName + " " + param,
self.injectBasicFilename, self)
else:
self.injector = Injector(appName + " " + param,
self.injectAdvancedFilename, self)
# vytvoreni kontroleru, zjisti, kdy skonci predklad skriptu
# pro Systemtap
self.controller = InjectController(self)
# spusti se testovani
self.injector.start()
self.controller.start()
class TutorialApp(object):
def __init__(self):
self.injectBasicFilename = "injectBasic.stp"
self.injectAdvancedFilename = "injectAdvanced.stp"
self.injector = None
self.controller = None
self.builder = gtk.Builder()
self.builder.add_from_file("fault_injection.glade")
# signaly z glade souboru
self.builder.connect_signals({ "exitApp" : gtk.main_quit, "browseButtonClicked": self.browseClicked,
"nofileRadio" : self.nofileRadioClicked, "eacessRadio" : self.eacessRadioClicked,
"enoentRadio" : self.enoentRadioClicked, "emfileRadio" : self.emfileRadioClicked,
"ewouldblockRadio" : self.ewouldblockRadioClicked, "eexistRadio" : self.eexistRadioClicked,
"nonetRadio" : self.nonetRadioClicked, "enetunreachRadio" : self.enetunreachRadioClicked,
"etimedoutRadio" : self.etimedoutRadioClicked, "econnrefusedRadio" : self.econnrefusedRadioClicked,
"econnresetRadio" : self.econnresetRadioClicked, "emsgsizeRadio" : self.emsgsizeRadioClicked,
"eisconnRadio" : self.eisconnRadioClicked, "enotconnRadio" : self.enotconnRadioClicked,
"startButtonClicked" : self.startButtonClicked, "termButtonClicked" : self.termButtonClicked,
"eaccesProcessRadio" : self.eaccesProcessRadioClicked, "enoentProcessRadio" : self.enoentProcessRadioClicked,
"enoexecRadio" : self.enoexecRadioClicked, "enomemProcessRadio" : self.enomemProcessRadioClicked,
"elibbadRadio" : self.elibbadRadioClicked, "etxtbsyRadio" : self.etxtbsyRadioClicked,
"noprocessRadio" : self.noprocessRadioClicked, "addFaultButton" : self.addFaultButtonClicked,
"removeButtonClicked": self.removeButtonClicked, "modeBasicToggled" : self.modeBasicToggled,
"modeAdvancedToggled" : self.modeAdvancedToggled, "saveAs" : self.saveAs, "save" : self.save,
"open" : self.openFile, "mainDeleteEvent" : self.mainDeleteEvent, "noMemoryRadio" : self.noMemoryRadioClicked,
"memoryEnomemRadio" : self.memoryEnomemRadioClicked, "memoryEaccesRadio" : self.memoryEaccesRadioClicked,
"memoryEagainRadio" : self.memoryEagainRadioClicked, "noRwRadio" : self.noRwRadioClicked,
"rwEbadfRadio" : self.rwEbadfRadioClicked, "rwEioRadio" : self.rwEioRadioClicked,
"rwEfbigRadio" : self.rwEfbigRadioClicked, "rwEnospcRadio" : self.rwEnospcRadioClicked,
"fileENOTDIRRadio" : self.fileENOTDIRRadioClicked, "fileEBUSYRadio" : self.fileEBUSYRadioClicked,
"fileENOTEMPTYRadio" : self.fileENOTEMPTYRadioClicked, "fileEMLINKRadio" : self.fileEMLINKRadioClicked,
"runAbout" : self.runAbout, "textViewAllocate" : self.scrollDown})
button = self.builder.get_object("termButton")
button.set_sensitive(False)
self.window = self.builder.get_object("mainWindow")
self.window.show()
# Tabulka pro chyby v pokrocilem rezimu
self.faultView = self.builder.get_object("faultView")
self.faultList = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_BOOLEAN)
self.faultView.set_model(self.faultList)
column = gtk.TreeViewColumn("Syscall", gtk.CellRendererText(), text=0)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg1", gtk.CellRendererText(), text=1)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg2", gtk.CellRendererText(), text=2)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg3", gtk.CellRendererText(), text=3)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg4", gtk.CellRendererText(), text=4)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg5", gtk.CellRendererText(), text=5)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg6", gtk.CellRendererText(), text=6)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("Error", gtk.CellRendererText(), text=7)
column.set_resizable(True)
self.faultView.append_column(column)
cell = gtk.CellRendererToggle()
cell.set_radio(True)
cell.connect("toggled", self.faultToggled, self.faultList)
column = gtk.TreeViewColumn("Enable", cell, active=8)
column.set_clickable(True)
column.set_resizable(True)
column.set_alignment(0.5)
self.faultView.append_column(column)
# extrakce systemovych volani a jejich navratovych hodnot
extractor = SyscallExtractor()
self.syscallsAndErrors = extractor.extract("syscalls")
# asociativni pole pro povolene chyby od zacatku testovani
# v zakladnim rezimu
self.enableFault = {}
self.enableFault["file"] = "NOFAULT"
self.enableFault["net"] = "NOFAULT"
self.enableFault["process"] = "NOFAULT"
self.enableFault["memory"] = "NOFAULT"
self.enableFault["rw"] = "NOFAULT"
# datove typy pro chyby v pokrocilem rezimu
self.faults = {}
self.existedFaults = []
self.faultsStartValue = {}
self.faultsEdited = False
self.saveItem = self.builder.get_object("saveItem")
self.saveAsItem = self.builder.get_object("saveAsItem")
self.openItem = self.builder.get_object("openItem")
self.saveItem.set_sensitive(False)
self.saveAsItem.set_sensitive(False)
self.openItem.set_sensitive(False)
self.fileName = None
# log pro aktualni chyby
self.logText = ""
self.textBuffer = self.builder.get_object("textBuffer")
self.logView = self.builder.get_object("textViewLog")
# jmeno systemtapoveho modulu v procfs
self.moduleName = ""
# jmeno aplikace a jeji argumenty
self.appEntry = self.builder.get_object("appEntry")
self.paramEntry = self.builder.get_object("paramEntry")
# normalni nebo pokracile vkladani
self.modeBasic = True
frame = self.builder.get_object("frame2")
frame.set_visible(False)
# vkladane chyby do zakladniho modu
self.basicError = {}
self.basicError["file"] = { "open" : ["EACCES", "ENOENT", "EMFILE", "EEXIST"],
"creat" : ["EACCES", "ENOENT", "EMFILE", "EEXIST"],
"mkdir" : ["EACCES", "ENOENT", "ENOTDIR", "EEXIST"],
"mkdirat" : ["EACCES", "ENOENT", "ENOTDIR", "EEXIST"],
"chmod" : ["EACCES", "ENOENT", "ENOTDIR"],
"chmodat" : ["EACCES", "ENOENT", "ENOTDIR"],
"chown" : ["EACCES", "ENOENT", "ENOTDIR"],
"fchown" : ["EACCES", "ENOENT", "ENOTDIR"],
"lchown" : ["EACCES", "ENOENT", "ENOTDIR"],
"rmdir" : ["EACCES", "ENOENT", "ENOTDIR", "EBUSY", "ENOTEMPTY"],
"link" : ["EACCES", "ENOENT", "ENOTDIR", "EEXIST", "EMLINK"],
"linkat" : ["EACCES", "ENOENT", "ENOTDIR", "EEXIST", "EMLINK"]}
self.basicError["net"] = { "connect" : ["ENETUNREACH", "ETIMEDOUT", "ECONNREFUSED", "EISCONN"],
"send" : ["ECONNRESET", "EMSGSIZE", "EISCONN", "ENOTCONN"],
"sendto" : ["ECONNRESET", "EMSGSIZE", "EISCONN", "ENOTCONN"],
"sendmsg" : ["ECONNRESET", "EMSGSIZE", "EISCONN", "ENOTCONN"],
"recv" : ["ECONNREFUSED", "ENOTCONN"],
"recvfrom" : ["ECONNREFUSED", "ENOTCONN"],
"recvmsg" : ["ECONNREFUSED", "ENOTCONN"]}
self.basicError["process"] = {"execve" : ["EACCES", "ENOENT", "ENOEXEC", "ENOMEM", "ELIBBAD", "ETXTBSY"],
"fork" : ["ENOMEM"]}
self.basicError["memory"] = {"mmap2" : ["ENOMEM", "EACCES", "EAGAIN"],
"munmap" : ["ENOMEM", "EACCES", "EAGAIN"],
"mremap" : ["EAGAIN"],
"mprotect" : ["EACCES", "EAGAIN"],
"brk" : ["EAGAIN"]}
self.basicError["rw"] = {"write" : ["EBADF", "EIO", "EFBIG", "ENOSPC"],
"read" : ["EBADF", "EIO"]}
# chybejici volani v zakladnim rezim
self.missingSyscall = []
# zkontroluje, ktere volani v zakldnim rezimu nelze pouzit
self.checkError()
# stav aplikace
self.progress = self.builder.get_object("progressbar")
self.imageYes =self.builder.get_object("imageYes")
self.imageYes.set_visible(False)
self.imageNo =self.builder.get_object("imageNo")
self.labelStatus = self.builder.get_object("labelStatus")
# zkontroluje, ktera volani a ktere chyby nejsou dostupne
# v zakladnim rezimu
# ty, ktere chybi nelze vybrat
def checkError(self):
syscalls = self.syscallsAndErrors[0].keys()
for key in self.basicError.keys():
checkSyscalls = []
existSyscalls = {}
errors = set()
for s in self.basicError[key].keys():
checkSyscalls.append(s)
for e in self.basicError[key][s]:
errors.add(e)
exists = False
for s in checkSyscalls:
if s in syscalls:
exists = True
existSyscalls[s] = self.syscallsAndErrors[0][s]
else:
self.missingSyscall.append(s)
if not exists:
try:
vbox = self.builder.get_object("vbox" + key)
vbox.set_sensitive(False)
continue
except:
pass
for e in errors:
exists = False
for s in existSyscalls.keys():
if e in existSyscalls[s]:
exists = True
break
if not exists:
try:
errorRadio = self.builder.get_object(key + e + "Radio")
errorRadio.set_sensitive(False)
except:
pass
# zobrazi about dialog
def runAbout(self, widget):
about = gtk.AboutDialog()
about.set_program_name("Fault injection tool")
about.set_copyright("(c) Martin Zelinka")
about.set_comments("A Fault Injection Bug Hunting Tool Based on Systemtap")
about.run()
about.destroy()
# tlacitko Browse pro vybrani testovaneho programu
def browseClicked(self, widget):
fileDialog = gtk.FileChooserDialog(title=None, action=gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK))
fileDialog.set_default_response(gtk.RESPONSE_OK)
response = fileDialog.run()
if response == gtk.RESPONSE_OK:
inputApp = self.builder.get_object("appEntry")
inputApp.set_text(fileDialog.get_filename())
fileDialog.destroy()
# tlacitko Run, spusti testovani
def startButtonClicked(self, widget):
appName = self.appEntry.get_text()
param = self.paramEntry.get_text()
if appName == "":
messDlg = gtk.MessageDialog(type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_CLOSE, message_format="Path to aplication is empty")
messDlg.run()
messDlg.destroy()
return
if not self.modeBasic:
if self.faults == {}:
messDlg = gtk.MessageDialog(type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_CLOSE, message_format="No fault is added")
messDlg.run()
messDlg.destroy()
return
# nastavi se zobrazovany stav
self.progress.set_fraction(0.0)
self.progress.set_visible(True)
self.labelStatus.set_label("Running")
self.imageYes.set_visible(True)
self.imageNo.set_visible(False)
# vyprazdni se Log
self.logText = ""
self.textBuffer.set_text(self.logText)
# zneplatni se tlacitka a vkladane chyby
widget.set_sensitive(False)
self.addButton = self.builder.get_object("addButton")
self.addButton.set_sensitive(False)
self.removeButton = self.builder.get_object("removeButton")
self.removeButton.set_sensitive(False)
self.browseButton = self.builder.get_object("browseButton")
self.browseButton.set_sensitive(False)
self.panely = self.builder.get_object("panely")
self.panely.set_sensitive(False)
self.menu = self.builder.get_object("menubar1")
self.menu.set_sensitive(False)
termButton = self.builder.get_object("termButton")
termButton.set_sensitive(True)
# vygeneruje soubor pro systemtap
generator = GenerateStap()
try:
if self.modeBasic:
generator.generateNormalInjection(self.injectBasicFilename, self.syscallsAndErrors[1], self.enableFault, self.missingSyscall, self.basicError)
else:
generator.generate(self.injectAdvancedFilename, self.faults, self.faultsStartValue, self.syscallsAndErrors[1])
except IOError:
self.endTestApp()
self.threadError("Permission denied.\nClose application and run as root")
return
# vytvoreni injectoru, ktery spousti testovani (Systemtap)
if self.modeBasic:
self.injector = Injector(appName + " " + param, self.injectBasicFilename, self)
else:
self.injector = Injector(appName + " " + param, self.injectAdvancedFilename, self)
# vytvoreni kontroleru, zjisti, kdy skonci predklad skriptu
# pro Systemtap
self.controller = InjectController(self)
# spusti se testovani
self.injector.start()
self.controller.start()
# vola se na konci testovani, nastavi stav aplikace apod
def endTestApp(self):
self.moduleName = ""
if self.controller != None:
self.controller.stop()
termButton = self.builder.get_object("termButton")
termButton.set_sensitive(False)
startButton = self.builder.get_object("startButton")
startButton.set_sensitive(True)
self.panely.set_sensitive(True)
self.progress.set_visible(False)
self.labelStatus.set_label("Stopped")
self.labelStatus.set_visible(True)
self.imageYes.set_visible(False)
self.imageNo.set_visible(True)
self.addButton = self.builder.get_object("addButton")
self.addButton.set_sensitive(True)
self.removeButton = self.builder.get_object("removeButton")
self.removeButton.set_sensitive(True)
self.browseButton = self.builder.get_object("browseButton")
self.browseButton.set_sensitive(True)
self.menu = self.builder.get_object("menubar1")
self.menu.set_sensitive(True)
# tlacitko Terminate pro ukonceni testovani
def termButtonClicked(self, widget):
if self.injector != None:
self.injector.terminate()
# vola se pri Ctrl + C
def keyboardInterrupt(self):
if self.injector != None:
self.injector.terminate()
# vola se z ostatnich vlaken
# pokud nastane chyba
# msg - chybove hlaseni
def threadError(self, msg):
errDlg = gtk.MessageDialog(type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_CLOSE, message_format=msg)
errDlg.run()
errDlg.destroy()
# otevre soubor s preddefinovanymi chybami
def openFile(self, widget):
fileDialog = gtk.FileChooserDialog(title=None, action=gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK))
fileDialog.set_default_response(gtk.RESPONSE_OK)
response = fileDialog.run()
if response == gtk.RESPONSE_OK:
filename = fileDialog.get_filename()
#try:
inputFile = file(filename, 'r')
data = inputFile.read()
scanner = InputScanner(self.syscallsAndErrors)
self.faults = scanner.scan(data)
if self.faults == None:
fileDialog.destroy()
self.threadError("Bad file format")
return
self.faultList.clear()
self.existedFaults = []
self.faultsStartValue = {}
for key in self.faults.keys():
self.faultsStartValue[key] = "NOFAULT"
for f in self.faults[key]:
if f[1] == []:
self.faultList.append([key, "", "", "", "", "", "", f[0], False])
else:
self.faultList.append([key, f[1][0], f[1][1], f[1][2], f[1][3], f[1][4], f[1][5], f[0], False])
self.existedFaults.append([key, f[0]])
self.fileName = filename
self.faultsEdited = False
self.saveItem.set_sensitive(False)
fileDialog.destroy()
# ulozi soubor s preddefinovanymi chybami
def save(self, widget):
if self.fileName == None:
self.saveAs(widget)
else:
self.saveFaults(self.fileName)
self.faultsEdited = False
self.saveItem.set_sensitive(False)
# ulozi chyby do soubru
def saveAs(self, widget):
fileDialog = gtk.FileChooserDialog(title=None, action=gtk.FILE_CHOOSER_ACTION_SAVE,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_SAVE, gtk.RESPONSE_OK))
fileDialog.set_default_response(gtk.RESPONSE_OK)
response = fileDialog.run()
if response == gtk.RESPONSE_OK:
filePath = fileDialog.get_filename()
if os.path.exists(filePath):
msgDlg = gtk.MessageDialog(type=gtk.MESSAGE_QUESTION, buttons=gtk.BUTTONS_YES_NO, message_format="File exists. Do you want to overwrite this file?")
res = msgDlg.run()
msgDlg.destroy()
if res == gtk.RESPONSE_YES:
self.saveFaults(filePath)
self.faultsEdited = False
self.saveItem.set_sensitive(False)
else:
self.saveAs(widget)
else:
self.saveFaults(filePath)
self.faultsEdited = False
self.saveItem.set_sensitive(False)
fileDialog.destroy()
# zapise chyby do souboru
def saveFaults(self, filename):
self.fileName = filename
outputFile = file(filename, 'w')
for key in self.faults.keys():
for f in self.faults[key]:
argStr = ""
first = True
if f[1] != []:
for a in f[1]:
if first:
first = False
else:
argStr += ", "
if a != "":
argStr += a
else:
argStr += "-"
outputFile.write(key + "(" + argStr + ") = " + f[0] + "\n")
outputFile.close()
# prida chybu v pokrocilem rezimu
# vytvori se dialog Add fault
def addFaultButtonClicked(self, widget):
faultDialog = FaultDialog(self.syscallsAndErrors)
returnValue = faultDialog.run(self.existedFaults)
if returnValue[0] == True:
self.faultsEdited = True
self.saveItem.set_sensitive(True)
args = []
argsEmpty = True
for a in returnValue[1][2]:
if a != "":
argsEmpty = False
args.append(a)
for e in returnValue[1][1]:
if returnValue[1][0] not in self.faults.keys():
self.faults[returnValue[1][0]] = []
if argsEmpty:
self.faults[returnValue[1][0]].append((e, []))
else:
self.faults[returnValue[1][0]].append((e, args))
self.faultList.append([returnValue[1][0], args[0], args[1], args[2], args[3], args[4], args[5], e, False])
self.faultsStartValue[returnValue[1][0]] = "NOFAULT"
self.existedFaults.append([returnValue[1][0], e])
# odstani chybu z tabulky v pokrocilem rezimu
def removeButtonClicked(self, widget):
path = self.faultView.get_cursor()[0]
if path != None:
self.faultsEdited = True
self.saveItem.set_sensitive(True)
row = self.faultList.get_iter(path)
syscall = self.faultList.get_value(row, 0)
error = self.faultList.get_value(row, 7)
self.faultList.remove(row)
del self.existedFaults[int(path[0])]
try:
for i in range(len(self.faults[syscall])):
if self.faults[syscall][i][0] == error:
del self.faults[syscall][i]
break
if self.faults[syscall] == []:
del self.faults[syscall]
except KeyError:
pass
try:
if self.faultsStartValue[syscall] == error:
self.faultsStartValue[syscall] = "NOFAULT"
except KeyError:
pass
# vola se pred ukoncenim aplikace
# kontrola jestli jsou ulozeny chyby
def mainDeleteEvent(self, widget, event):
if self.injector != None:
if self.injector.isRunning():
self.injector.terminate()
if self.faultsEdited:
msgDlg = gtk.MessageDialog(type=gtk.MESSAGE_QUESTION, buttons=gtk.BUTTONS_YES_NO, message_format="Faults have been edited. Do you want to save faults?")
msgDlg.add_button("Cancel", gtk.RESPONSE_CLOSE)
res = msgDlg.run()
if res == gtk.RESPONSE_CLOSE:
msgDlg.destroy()
return True
if res == gtk.RESPONSE_YES:
self.save(widget)
msgDlg.destroy()
msgDlg.destroy()
return False
# obsluha radioButtonu v tabulce v pokrocilem rezimu
def faultToggled(self, widget, index, faultList):
row = faultList.get_iter((int(index),))
selected = faultList.get_value(row, 8)
selValue = faultList.get_value(row, 0)
selected = not selected
r = self.faultList.get_iter_first()
while r != None:
value = self.faultList.get_value(r, 0)
if value == selValue:
faultList.set(r, 8, False)
r = self.faultList.iter_next(r)
if selected:
self.faultsStartValue[selValue] = faultList.get_value(row, 7)
self.procfsWriter(selValue, faultList.get_value(row, 7))
else:
self.faultsStartValue[selValue] = "NOFAULT"
self.procfsWriter(selValue, "NOFAULT")
faultList.set(row, 8, selected)
# aplikace se prepne do zakladniho modu
def modeBasicToggled(self, widget):
if widget.get_active():
if self.faultsEdited:
msgDlg = gtk.MessageDialog(type=gtk.MESSAGE_QUESTION, buttons=gtk.BUTTONS_YES_NO, message_format="Faults have been edited. Do you want to save faults?")
res = msgDlg.run()
if res == gtk.RESPONSE_YES:
self.save(widget)
msgDlg.destroy()
self.faultsEdited = False
self.modeBasic = True
frame1 = self.builder.get_object("frame1")
frame2 = self.builder.get_object("frame2")
frame1.set_visible(True)
frame2.set_visible(False)
self.saveItem.set_sensitive(False)
self.saveAsItem.set_sensitive(False)
self.openItem.set_sensitive(False)
self.faults = {}
self.existedFaults = []
self.faultsStartValue = {}
self.faultList.clear()
# aplikace se prepne do pokrocileho modu (rezimu)
def modeAdvancedToggled(self, widget):
if widget.get_active():
self.modeBasic = False
frame1 = self.builder.get_object("frame1")
frame2 = self.builder.get_object("frame2")
frame1.set_visible(False)
frame2.set_visible(True)
self.saveItem.set_sensitive(True)
self.saveAsItem.set_sensitive(True)
self.openItem.set_sensitive(True)
# prida text do Logu
def addTextToLog(self, text):
self.logText += text
self.textBuffer.set_text(self.logText)
# zajisti aby Log byl scrolovany vzdy dole
# abychom videli posledni pridany zaznam
def scrollDown(self, widget, e):
scrolled = self.builder.get_object("scrolledwindowLog")
adj = scrolled.get_vadjustment()
adj.set_value(adj.get_upper() - adj.get_page_size())
scrolled.set_vadjustment(adj)
# povoli, zadaze odpovidajici chybu
# zapise do souboru v procfs
def procfsWriter(self, name, value):
if self.moduleName != "":
os.system("echo " + str(value) + " > /proc/systemtap/" + self.moduleName + "/" + name)
# metody pro radioButtony s chybami
# v zakladnim rezimu prace
# File management
def nofileRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "NOFAULT"
self.procfsWriter("file", "NOFAULT")
def eacessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EACCES"
self.procfsWriter("file", "EACCES")
def enoentRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "ENOENT"
self.procfsWriter("file", "ENOENT")
def emfileRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EMFILE"
self.procfsWriter("file", "EMFILE")
def fileENOTDIRRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "ENOTDIR"
self.procfsWriter("file", "ENOTDIR")
def fileEBUSYRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EBUSY"
self.procfsWriter("file", "EBUSY")
def fileENOTEMPTYRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "ENOTEMPTY"
self.procfsWriter("file", "ENOTEMPTY")
def fileEMLINKRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EMLINK"
self.procfsWriter("file", "EMLINK")
def ewouldblockRadioClicked(self, widget):
if widget.get_active():
pass
else:
pass
def eexistRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EEXIST"
self.procfsWriter("file", "EEXIST")
# Network
def nonetRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "NOFAULT"
self.procfsWriter("net", "NOFAULT")
def enetunreachRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ENETUNREACH"
self.procfsWriter("net", "ENETUNREACH")
def etimedoutRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ETIMEDOUT"
self.procfsWriter("net", "ETIMEDOUT")
def econnrefusedRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ECONNREFUSED"
self.procfsWriter("net", "ECONNREFUSED")
def econnresetRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ECONNRESET"
self.procfsWriter("net", "ECONNRESET")
def emsgsizeRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "EMSGSIZE"
self.procfsWriter("net", "EMSGSIZE")
def eisconnRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "EISCONN"
self.procfsWriter("net", "EISCONN")
def enotconnRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ENOTCONN"
self.procfsWriter("net", "ENOTCONN")
# Process
def noprocessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "NOFAULT"
self.procfsWriter("process", "NOFAULT")
def eaccesProcessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "EACCES"
self.procfsWriter("process", "EACCES")
def enoentProcessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ENOENT"
self.procfsWriter("process", "ENOENT")
def enoexecRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ENOEXEC"
self.procfsWriter("process", "ENOEXEC")
def enomemProcessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ENOMEM"
self.procfsWriter("process", "ENOMEM")
def elibbadRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ELIBBAD"
self.procfsWriter("process", "ELIBBAD")
def etxtbsyRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ETXTBSY"
self.procfsWriter("process", "ETXTBSY")
# Memory
def noMemoryRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "NOFAULT"
self.procfsWriter("memory", "NOFAULT")
def memoryEnomemRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "ENOMEM"
self.procfsWriter("memory", "ENOMEM")
def memoryEaccesRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "EACCES"
self.procfsWriter("memory", "EACCES")
def memoryEagainRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "EAGAIN"
self.procfsWriter("memory", "EGAIN")
# rw
def noRwRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "NOFAULT"
self.procfsWriter("rw", "NOFAULT")
def rwEbadfRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "EBADF"
self.procfsWriter("rw", "EBADF")
def rwEioRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "EIO"
self.procfsWriter("rw", "EIO")
def rwEfbigRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "EFBIG"
self.procfsWriter("rw", "EFBIG")
def rwEnospcRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "ENOSPC"
self.procfsWriter("rw", "ENOSPC")
class TutorialApp(object):
def __init__(self):
self.injectBasicFilename = "injectBasic.stp"
self.injectAdvancedFilename = "injectAdvanced.stp"
self.injector = None
self.controller = None
self.builder = gtk.Builder()
self.builder.add_from_file("fault_injection.glade")
# signaly z glade souboru
self.builder.connect_signals({
"exitApp": gtk.main_quit,
"browseButtonClicked": self.browseClicked,
"nofileRadio": self.nofileRadioClicked,
"eacessRadio": self.eacessRadioClicked,
"enoentRadio": self.enoentRadioClicked,
"emfileRadio": self.emfileRadioClicked,
"ewouldblockRadio": self.ewouldblockRadioClicked,
"eexistRadio": self.eexistRadioClicked,
"nonetRadio": self.nonetRadioClicked,
"enetunreachRadio": self.enetunreachRadioClicked,
"etimedoutRadio": self.etimedoutRadioClicked,
"econnrefusedRadio": self.econnrefusedRadioClicked,
"econnresetRadio": self.econnresetRadioClicked,
"emsgsizeRadio": self.emsgsizeRadioClicked,
"eisconnRadio": self.eisconnRadioClicked,
"enotconnRadio": self.enotconnRadioClicked,
"startButtonClicked": self.startButtonClicked,
"termButtonClicked": self.termButtonClicked,
"eaccesProcessRadio": self.eaccesProcessRadioClicked,
"enoentProcessRadio": self.enoentProcessRadioClicked,
"enoexecRadio": self.enoexecRadioClicked,
"enomemProcessRadio": self.enomemProcessRadioClicked,
"elibbadRadio": self.elibbadRadioClicked,
"etxtbsyRadio": self.etxtbsyRadioClicked,
"noprocessRadio": self.noprocessRadioClicked,
"addFaultButton": self.addFaultButtonClicked,
"removeButtonClicked": self.removeButtonClicked,
"modeBasicToggled": self.modeBasicToggled,
"modeAdvancedToggled": self.modeAdvancedToggled,
"saveAs": self.saveAs,
"save": self.save,
"open": self.openFile,
"mainDeleteEvent": self.mainDeleteEvent,
"noMemoryRadio": self.noMemoryRadioClicked,
"memoryEnomemRadio": self.memoryEnomemRadioClicked,
"memoryEaccesRadio": self.memoryEaccesRadioClicked,
"memoryEagainRadio": self.memoryEagainRadioClicked,
"noRwRadio": self.noRwRadioClicked,
"rwEbadfRadio": self.rwEbadfRadioClicked,
"rwEioRadio": self.rwEioRadioClicked,
"rwEfbigRadio": self.rwEfbigRadioClicked,
"rwEnospcRadio": self.rwEnospcRadioClicked,
"fileENOTDIRRadio": self.fileENOTDIRRadioClicked,
"fileEBUSYRadio": self.fileEBUSYRadioClicked,
"fileENOTEMPTYRadio": self.fileENOTEMPTYRadioClicked,
"fileEMLINKRadio": self.fileEMLINKRadioClicked,
"runAbout": self.runAbout,
"textViewAllocate": self.scrollDown
})
button = self.builder.get_object("termButton")
button.set_sensitive(False)
self.window = self.builder.get_object("mainWindow")
self.window.show()
# Tabulka pro chyby v pokrocilem rezimu
self.faultView = self.builder.get_object("faultView")
self.faultList = gtk.ListStore(
gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING,
gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING,
gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_BOOLEAN)
self.faultView.set_model(self.faultList)
column = gtk.TreeViewColumn("Syscall", gtk.CellRendererText(), text=0)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg1", gtk.CellRendererText(), text=1)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg2", gtk.CellRendererText(), text=2)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg3", gtk.CellRendererText(), text=3)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg4", gtk.CellRendererText(), text=4)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg5", gtk.CellRendererText(), text=5)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("arg6", gtk.CellRendererText(), text=6)
column.set_resizable(True)
self.faultView.append_column(column)
column = gtk.TreeViewColumn("Error", gtk.CellRendererText(), text=7)
column.set_resizable(True)
self.faultView.append_column(column)
cell = gtk.CellRendererToggle()
cell.set_radio(True)
cell.connect("toggled", self.faultToggled, self.faultList)
column = gtk.TreeViewColumn("Enable", cell, active=8)
column.set_clickable(True)
column.set_resizable(True)
column.set_alignment(0.5)
self.faultView.append_column(column)
# extrakce systemovych volani a jejich navratovych hodnot
extractor = SyscallExtractor()
self.syscallsAndErrors = extractor.extract("syscalls")
# asociativni pole pro povolene chyby od zacatku testovani
# v zakladnim rezimu
self.enableFault = {}
self.enableFault["file"] = "NOFAULT"
self.enableFault["net"] = "NOFAULT"
self.enableFault["process"] = "NOFAULT"
self.enableFault["memory"] = "NOFAULT"
self.enableFault["rw"] = "NOFAULT"
# datove typy pro chyby v pokrocilem rezimu
self.faults = {}
self.existedFaults = []
self.faultsStartValue = {}
self.faultsEdited = False
self.saveItem = self.builder.get_object("saveItem")
self.saveAsItem = self.builder.get_object("saveAsItem")
self.openItem = self.builder.get_object("openItem")
self.saveItem.set_sensitive(False)
self.saveAsItem.set_sensitive(False)
self.openItem.set_sensitive(False)
self.fileName = None
# log pro aktualni chyby
self.logText = ""
self.textBuffer = self.builder.get_object("textBuffer")
self.logView = self.builder.get_object("textViewLog")
# jmeno systemtapoveho modulu v procfs
self.moduleName = ""
# jmeno aplikace a jeji argumenty
self.appEntry = self.builder.get_object("appEntry")
self.paramEntry = self.builder.get_object("paramEntry")
# normalni nebo pokracile vkladani
self.modeBasic = True
frame = self.builder.get_object("frame2")
frame.set_visible(False)
# vkladane chyby do zakladniho modu
self.basicError = {}
self.basicError["file"] = {
"open": ["EACCES", "ENOENT", "EMFILE", "EEXIST"],
"creat": ["EACCES", "ENOENT", "EMFILE", "EEXIST"],
"mkdir": ["EACCES", "ENOENT", "ENOTDIR", "EEXIST"],
"mkdirat": ["EACCES", "ENOENT", "ENOTDIR", "EEXIST"],
"chmod": ["EACCES", "ENOENT", "ENOTDIR"],
"chmodat": ["EACCES", "ENOENT", "ENOTDIR"],
"chown": ["EACCES", "ENOENT", "ENOTDIR"],
"fchown": ["EACCES", "ENOENT", "ENOTDIR"],
"lchown": ["EACCES", "ENOENT", "ENOTDIR"],
"rmdir": ["EACCES", "ENOENT", "ENOTDIR", "EBUSY", "ENOTEMPTY"],
"link": ["EACCES", "ENOENT", "ENOTDIR", "EEXIST", "EMLINK"],
"linkat": ["EACCES", "ENOENT", "ENOTDIR", "EEXIST", "EMLINK"]
}
self.basicError["net"] = {
"connect": ["ENETUNREACH", "ETIMEDOUT", "ECONNREFUSED", "EISCONN"],
"send": ["ECONNRESET", "EMSGSIZE", "EISCONN", "ENOTCONN"],
"sendto": ["ECONNRESET", "EMSGSIZE", "EISCONN", "ENOTCONN"],
"sendmsg": ["ECONNRESET", "EMSGSIZE", "EISCONN", "ENOTCONN"],
"recv": ["ECONNREFUSED", "ENOTCONN"],
"recvfrom": ["ECONNREFUSED", "ENOTCONN"],
"recvmsg": ["ECONNREFUSED", "ENOTCONN"]
}
self.basicError["process"] = {
"execve":
["EACCES", "ENOENT", "ENOEXEC", "ENOMEM", "ELIBBAD", "ETXTBSY"],
"fork": ["ENOMEM"]
}
self.basicError["memory"] = {
"mmap2": ["ENOMEM", "EACCES", "EAGAIN"],
"munmap": ["ENOMEM", "EACCES", "EAGAIN"],
"mremap": ["EAGAIN"],
"mprotect": ["EACCES", "EAGAIN"],
"brk": ["EAGAIN"]
}
self.basicError["rw"] = {
"write": ["EBADF", "EIO", "EFBIG", "ENOSPC"],
"read": ["EBADF", "EIO"]
}
# chybejici volani v zakladnim rezim
self.missingSyscall = []
# zkontroluje, ktere volani v zakldnim rezimu nelze pouzit
self.checkError()
# stav aplikace
self.progress = self.builder.get_object("progressbar")
self.imageYes = self.builder.get_object("imageYes")
self.imageYes.set_visible(False)
self.imageNo = self.builder.get_object("imageNo")
self.labelStatus = self.builder.get_object("labelStatus")
# zkontroluje, ktera volani a ktere chyby nejsou dostupne
# v zakladnim rezimu
# ty, ktere chybi nelze vybrat
def checkError(self):
syscalls = self.syscallsAndErrors[0].keys()
for key in self.basicError.keys():
checkSyscalls = []
existSyscalls = {}
errors = set()
for s in self.basicError[key].keys():
checkSyscalls.append(s)
for e in self.basicError[key][s]:
errors.add(e)
exists = False
for s in checkSyscalls:
if s in syscalls:
exists = True
existSyscalls[s] = self.syscallsAndErrors[0][s]
else:
self.missingSyscall.append(s)
if not exists:
try:
vbox = self.builder.get_object("vbox" + key)
vbox.set_sensitive(False)
continue
except:
pass
for e in errors:
exists = False
for s in existSyscalls.keys():
if e in existSyscalls[s]:
exists = True
break
if not exists:
try:
errorRadio = self.builder.get_object(key + e + "Radio")
errorRadio.set_sensitive(False)
except:
pass
# zobrazi about dialog
def runAbout(self, widget):
about = gtk.AboutDialog()
about.set_program_name("Fault injection tool")
about.set_copyright("(c) Martin Zelinka")
about.set_comments(
"A Fault Injection Bug Hunting Tool Based on Systemtap")
about.run()
about.destroy()
# tlacitko Browse pro vybrani testovaneho programu
def browseClicked(self, widget):
fileDialog = gtk.FileChooserDialog(
title=None,
action=gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN,
gtk.RESPONSE_OK))
fileDialog.set_default_response(gtk.RESPONSE_OK)
response = fileDialog.run()
if response == gtk.RESPONSE_OK:
inputApp = self.builder.get_object("appEntry")
inputApp.set_text(fileDialog.get_filename())
fileDialog.destroy()
# tlacitko Run, spusti testovani
def startButtonClicked(self, widget):
appName = self.appEntry.get_text()
param = self.paramEntry.get_text()
if appName == "":
messDlg = gtk.MessageDialog(
type=gtk.MESSAGE_ERROR,
buttons=gtk.BUTTONS_CLOSE,
message_format="Path to aplication is empty")
messDlg.run()
messDlg.destroy()
return
if not self.modeBasic:
if self.faults == {}:
messDlg = gtk.MessageDialog(type=gtk.MESSAGE_WARNING,
buttons=gtk.BUTTONS_CLOSE,
message_format="No fault is added")
messDlg.run()
messDlg.destroy()
return
# nastavi se zobrazovany stav
self.progress.set_fraction(0.0)
self.progress.set_visible(True)
self.labelStatus.set_label("Running")
self.imageYes.set_visible(True)
self.imageNo.set_visible(False)
# vyprazdni se Log
self.logText = ""
self.textBuffer.set_text(self.logText)
# zneplatni se tlacitka a vkladane chyby
widget.set_sensitive(False)
self.addButton = self.builder.get_object("addButton")
self.addButton.set_sensitive(False)
self.removeButton = self.builder.get_object("removeButton")
self.removeButton.set_sensitive(False)
self.browseButton = self.builder.get_object("browseButton")
self.browseButton.set_sensitive(False)
self.panely = self.builder.get_object("panely")
self.panely.set_sensitive(False)
self.menu = self.builder.get_object("menubar1")
self.menu.set_sensitive(False)
termButton = self.builder.get_object("termButton")
termButton.set_sensitive(True)
# vygeneruje soubor pro systemtap
generator = GenerateStap()
try:
if self.modeBasic:
generator.generateNormalInjection(self.injectBasicFilename,
self.syscallsAndErrors[1],
self.enableFault,
self.missingSyscall,
self.basicError)
else:
generator.generate(self.injectAdvancedFilename, self.faults,
self.faultsStartValue,
self.syscallsAndErrors[1])
except IOError:
self.endTestApp()
self.threadError(
"Permission denied.\nClose application and run as root")
return
# vytvoreni injectoru, ktery spousti testovani (Systemtap)
if self.modeBasic:
self.injector = Injector(appName + " " + param,
self.injectBasicFilename, self)
else:
self.injector = Injector(appName + " " + param,
self.injectAdvancedFilename, self)
# vytvoreni kontroleru, zjisti, kdy skonci predklad skriptu
# pro Systemtap
self.controller = InjectController(self)
# spusti se testovani
self.injector.start()
self.controller.start()
# vola se na konci testovani, nastavi stav aplikace apod
def endTestApp(self):
self.moduleName = ""
if self.controller != None:
self.controller.stop()
termButton = self.builder.get_object("termButton")
termButton.set_sensitive(False)
startButton = self.builder.get_object("startButton")
startButton.set_sensitive(True)
self.panely.set_sensitive(True)
self.progress.set_visible(False)
self.labelStatus.set_label("Stopped")
self.labelStatus.set_visible(True)
self.imageYes.set_visible(False)
self.imageNo.set_visible(True)
self.addButton = self.builder.get_object("addButton")
self.addButton.set_sensitive(True)
self.removeButton = self.builder.get_object("removeButton")
self.removeButton.set_sensitive(True)
self.browseButton = self.builder.get_object("browseButton")
self.browseButton.set_sensitive(True)
self.menu = self.builder.get_object("menubar1")
self.menu.set_sensitive(True)
# tlacitko Terminate pro ukonceni testovani
def termButtonClicked(self, widget):
if self.injector != None:
self.injector.terminate()
# vola se pri Ctrl + C
def keyboardInterrupt(self):
if self.injector != None:
self.injector.terminate()
# vola se z ostatnich vlaken
# pokud nastane chyba
# msg - chybove hlaseni
def threadError(self, msg):
errDlg = gtk.MessageDialog(type=gtk.MESSAGE_ERROR,
buttons=gtk.BUTTONS_CLOSE,
message_format=msg)
errDlg.run()
errDlg.destroy()
# otevre soubor s preddefinovanymi chybami
def openFile(self, widget):
fileDialog = gtk.FileChooserDialog(
title=None,
action=gtk.FILE_CHOOSER_ACTION_OPEN,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN,
gtk.RESPONSE_OK))
fileDialog.set_default_response(gtk.RESPONSE_OK)
response = fileDialog.run()
if response == gtk.RESPONSE_OK:
filename = fileDialog.get_filename()
#try:
inputFile = file(filename, 'r')
data = inputFile.read()
scanner = InputScanner(self.syscallsAndErrors)
self.faults = scanner.scan(data)
if self.faults == None:
fileDialog.destroy()
self.threadError("Bad file format")
return
self.faultList.clear()
self.existedFaults = []
self.faultsStartValue = {}
for key in self.faults.keys():
self.faultsStartValue[key] = "NOFAULT"
for f in self.faults[key]:
if f[1] == []:
self.faultList.append(
[key, "", "", "", "", "", "", f[0], False])
else:
self.faultList.append([
key, f[1][0], f[1][1], f[1][2], f[1][3], f[1][4],
f[1][5], f[0], False
])
self.existedFaults.append([key, f[0]])
self.fileName = filename
self.faultsEdited = False
self.saveItem.set_sensitive(False)
fileDialog.destroy()
# ulozi soubor s preddefinovanymi chybami
def save(self, widget):
if self.fileName == None:
self.saveAs(widget)
else:
self.saveFaults(self.fileName)
self.faultsEdited = False
self.saveItem.set_sensitive(False)
# ulozi chyby do soubru
def saveAs(self, widget):
fileDialog = gtk.FileChooserDialog(
title=None,
action=gtk.FILE_CHOOSER_ACTION_SAVE,
buttons=(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_SAVE,
gtk.RESPONSE_OK))
fileDialog.set_default_response(gtk.RESPONSE_OK)
response = fileDialog.run()
if response == gtk.RESPONSE_OK:
filePath = fileDialog.get_filename()
if os.path.exists(filePath):
msgDlg = gtk.MessageDialog(
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format=
"File exists. Do you want to overwrite this file?")
res = msgDlg.run()
msgDlg.destroy()
if res == gtk.RESPONSE_YES:
self.saveFaults(filePath)
self.faultsEdited = False
self.saveItem.set_sensitive(False)
else:
self.saveAs(widget)
else:
self.saveFaults(filePath)
self.faultsEdited = False
self.saveItem.set_sensitive(False)
fileDialog.destroy()
# zapise chyby do souboru
def saveFaults(self, filename):
self.fileName = filename
outputFile = file(filename, 'w')
for key in self.faults.keys():
for f in self.faults[key]:
argStr = ""
first = True
if f[1] != []:
for a in f[1]:
if first:
first = False
else:
argStr += ", "
if a != "":
argStr += a
else:
argStr += "-"
outputFile.write(key + "(" + argStr + ") = " + f[0] + "\n")
outputFile.close()
# prida chybu v pokrocilem rezimu
# vytvori se dialog Add fault
def addFaultButtonClicked(self, widget):
faultDialog = FaultDialog(self.syscallsAndErrors)
returnValue = faultDialog.run(self.existedFaults)
if returnValue[0] == True:
self.faultsEdited = True
self.saveItem.set_sensitive(True)
args = []
argsEmpty = True
for a in returnValue[1][2]:
if a != "":
argsEmpty = False
args.append(a)
for e in returnValue[1][1]:
if returnValue[1][0] not in self.faults.keys():
self.faults[returnValue[1][0]] = []
if argsEmpty:
self.faults[returnValue[1][0]].append((e, []))
else:
self.faults[returnValue[1][0]].append((e, args))
self.faultList.append([
returnValue[1][0], args[0], args[1], args[2], args[3],
args[4], args[5], e, False
])
self.faultsStartValue[returnValue[1][0]] = "NOFAULT"
self.existedFaults.append([returnValue[1][0], e])
# odstani chybu z tabulky v pokrocilem rezimu
def removeButtonClicked(self, widget):
path = self.faultView.get_cursor()[0]
if path != None:
self.faultsEdited = True
self.saveItem.set_sensitive(True)
row = self.faultList.get_iter(path)
syscall = self.faultList.get_value(row, 0)
error = self.faultList.get_value(row, 7)
self.faultList.remove(row)
del self.existedFaults[int(path[0])]
try:
for i in range(len(self.faults[syscall])):
if self.faults[syscall][i][0] == error:
del self.faults[syscall][i]
break
if self.faults[syscall] == []:
del self.faults[syscall]
except KeyError:
pass
try:
if self.faultsStartValue[syscall] == error:
self.faultsStartValue[syscall] = "NOFAULT"
except KeyError:
pass
# vola se pred ukoncenim aplikace
# kontrola jestli jsou ulozeny chyby
def mainDeleteEvent(self, widget, event):
if self.injector != None:
if self.injector.isRunning():
self.injector.terminate()
if self.faultsEdited:
msgDlg = gtk.MessageDialog(
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format=
"Faults have been edited. Do you want to save faults?")
msgDlg.add_button("Cancel", gtk.RESPONSE_CLOSE)
res = msgDlg.run()
if res == gtk.RESPONSE_CLOSE:
msgDlg.destroy()
return True
if res == gtk.RESPONSE_YES:
self.save(widget)
msgDlg.destroy()
msgDlg.destroy()
return False
# obsluha radioButtonu v tabulce v pokrocilem rezimu
def faultToggled(self, widget, index, faultList):
row = faultList.get_iter((int(index), ))
selected = faultList.get_value(row, 8)
selValue = faultList.get_value(row, 0)
selected = not selected
r = self.faultList.get_iter_first()
while r != None:
value = self.faultList.get_value(r, 0)
if value == selValue:
faultList.set(r, 8, False)
r = self.faultList.iter_next(r)
if selected:
self.faultsStartValue[selValue] = faultList.get_value(row, 7)
self.procfsWriter(selValue, faultList.get_value(row, 7))
else:
self.faultsStartValue[selValue] = "NOFAULT"
self.procfsWriter(selValue, "NOFAULT")
faultList.set(row, 8, selected)
# aplikace se prepne do zakladniho modu
def modeBasicToggled(self, widget):
if widget.get_active():
if self.faultsEdited:
msgDlg = gtk.MessageDialog(
type=gtk.MESSAGE_QUESTION,
buttons=gtk.BUTTONS_YES_NO,
message_format=
"Faults have been edited. Do you want to save faults?")
res = msgDlg.run()
if res == gtk.RESPONSE_YES:
self.save(widget)
msgDlg.destroy()
self.faultsEdited = False
self.modeBasic = True
frame1 = self.builder.get_object("frame1")
frame2 = self.builder.get_object("frame2")
frame1.set_visible(True)
frame2.set_visible(False)
self.saveItem.set_sensitive(False)
self.saveAsItem.set_sensitive(False)
self.openItem.set_sensitive(False)
self.faults = {}
self.existedFaults = []
self.faultsStartValue = {}
self.faultList.clear()
# aplikace se prepne do pokrocileho modu (rezimu)
def modeAdvancedToggled(self, widget):
if widget.get_active():
self.modeBasic = False
frame1 = self.builder.get_object("frame1")
frame2 = self.builder.get_object("frame2")
frame1.set_visible(False)
frame2.set_visible(True)
self.saveItem.set_sensitive(True)
self.saveAsItem.set_sensitive(True)
self.openItem.set_sensitive(True)
# prida text do Logu
def addTextToLog(self, text):
self.logText += text
self.textBuffer.set_text(self.logText)
# zajisti aby Log byl scrolovany vzdy dole
# abychom videli posledni pridany zaznam
def scrollDown(self, widget, e):
scrolled = self.builder.get_object("scrolledwindowLog")
adj = scrolled.get_vadjustment()
adj.set_value(adj.get_upper() - adj.get_page_size())
scrolled.set_vadjustment(adj)
# povoli, zadaze odpovidajici chybu
# zapise do souboru v procfs
def procfsWriter(self, name, value):
if self.moduleName != "":
os.system("echo " + str(value) + " > /proc/systemtap/" +
self.moduleName + "/" + name)
# metody pro radioButtony s chybami
# v zakladnim rezimu prace
# File management
def nofileRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "NOFAULT"
self.procfsWriter("file", "NOFAULT")
def eacessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EACCES"
self.procfsWriter("file", "EACCES")
def enoentRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "ENOENT"
self.procfsWriter("file", "ENOENT")
def emfileRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EMFILE"
self.procfsWriter("file", "EMFILE")
def fileENOTDIRRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "ENOTDIR"
self.procfsWriter("file", "ENOTDIR")
def fileEBUSYRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EBUSY"
self.procfsWriter("file", "EBUSY")
def fileENOTEMPTYRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "ENOTEMPTY"
self.procfsWriter("file", "ENOTEMPTY")
def fileEMLINKRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EMLINK"
self.procfsWriter("file", "EMLINK")
def ewouldblockRadioClicked(self, widget):
if widget.get_active():
pass
else:
pass
def eexistRadioClicked(self, widget):
if widget.get_active():
self.enableFault["file"] = "EEXIST"
self.procfsWriter("file", "EEXIST")
# Network
def nonetRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "NOFAULT"
self.procfsWriter("net", "NOFAULT")
def enetunreachRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ENETUNREACH"
self.procfsWriter("net", "ENETUNREACH")
def etimedoutRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ETIMEDOUT"
self.procfsWriter("net", "ETIMEDOUT")
def econnrefusedRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ECONNREFUSED"
self.procfsWriter("net", "ECONNREFUSED")
def econnresetRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ECONNRESET"
self.procfsWriter("net", "ECONNRESET")
def emsgsizeRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "EMSGSIZE"
self.procfsWriter("net", "EMSGSIZE")
def eisconnRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "EISCONN"
self.procfsWriter("net", "EISCONN")
def enotconnRadioClicked(self, widget):
if widget.get_active():
self.enableFault["net"] = "ENOTCONN"
self.procfsWriter("net", "ENOTCONN")
# Process
def noprocessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "NOFAULT"
self.procfsWriter("process", "NOFAULT")
def eaccesProcessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "EACCES"
self.procfsWriter("process", "EACCES")
def enoentProcessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ENOENT"
self.procfsWriter("process", "ENOENT")
def enoexecRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ENOEXEC"
self.procfsWriter("process", "ENOEXEC")
def enomemProcessRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ENOMEM"
self.procfsWriter("process", "ENOMEM")
def elibbadRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ELIBBAD"
self.procfsWriter("process", "ELIBBAD")
def etxtbsyRadioClicked(self, widget):
if widget.get_active():
self.enableFault["process"] = "ETXTBSY"
self.procfsWriter("process", "ETXTBSY")
# Memory
def noMemoryRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "NOFAULT"
self.procfsWriter("memory", "NOFAULT")
def memoryEnomemRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "ENOMEM"
self.procfsWriter("memory", "ENOMEM")
def memoryEaccesRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "EACCES"
self.procfsWriter("memory", "EACCES")
def memoryEagainRadioClicked(self, widget):
if widget.get_active():
self.enableFault["memory"] = "EAGAIN"
self.procfsWriter("memory", "EGAIN")
# rw
def noRwRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "NOFAULT"
self.procfsWriter("rw", "NOFAULT")
def rwEbadfRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "EBADF"
self.procfsWriter("rw", "EBADF")
def rwEioRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "EIO"
self.procfsWriter("rw", "EIO")
def rwEfbigRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "EFBIG"
self.procfsWriter("rw", "EFBIG")
def rwEnospcRadioClicked(self, widget):
if widget.get_active():
self.enableFault["rw"] = "ENOSPC"
self.procfsWriter("rw", "ENOSPC")
def startButtonClicked(self, widget):
appName = self.appEntry.get_text()
param = self.paramEntry.get_text()
if appName == "":
messDlg = gtk.MessageDialog(type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_CLOSE, message_format="Path to aplication is empty")
messDlg.run()
messDlg.destroy()
return
if not self.modeBasic:
if self.faults == {}:
messDlg = gtk.MessageDialog(type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_CLOSE, message_format="No fault is added")
messDlg.run()
messDlg.destroy()
return
# nastavi se zobrazovany stav
self.progress.set_fraction(0.0)
self.progress.set_visible(True)
self.labelStatus.set_label("Running")
self.imageYes.set_visible(True)
self.imageNo.set_visible(False)
# vyprazdni se Log
self.logText = ""
self.textBuffer.set_text(self.logText)
# zneplatni se tlacitka a vkladane chyby
widget.set_sensitive(False)
self.addButton = self.builder.get_object("addButton")
self.addButton.set_sensitive(False)
self.removeButton = self.builder.get_object("removeButton")
self.removeButton.set_sensitive(False)
self.browseButton = self.builder.get_object("browseButton")
self.browseButton.set_sensitive(False)
self.panely = self.builder.get_object("panely")
self.panely.set_sensitive(False)
self.menu = self.builder.get_object("menubar1")
self.menu.set_sensitive(False)
termButton = self.builder.get_object("termButton")
termButton.set_sensitive(True)
# vygeneruje soubor pro systemtap
generator = GenerateStap()
try:
if self.modeBasic:
generator.generateNormalInjection(self.injectBasicFilename, self.syscallsAndErrors[1], self.enableFault, self.missingSyscall, self.basicError)
else:
generator.generate(self.injectAdvancedFilename, self.faults, self.faultsStartValue, self.syscallsAndErrors[1])
except IOError:
self.endTestApp()
self.threadError("Permission denied.\nClose application and run as root")
return
# vytvoreni injectoru, ktery spousti testovani (Systemtap)
if self.modeBasic:
self.injector = Injector(appName + " " + param, self.injectBasicFilename, self)
else:
self.injector = Injector(appName + " " + param, self.injectAdvancedFilename, self)
# vytvoreni kontroleru, zjisti, kdy skonci predklad skriptu
# pro Systemtap
self.controller = InjectController(self)
# spusti se testovani
self.injector.start()
self.controller.start()
