示例#1
0
    def load(self, keytype, key):
        dbg.load('loading key in load', keytype, key)
        if keytype is None:
            for f in self.sfs:
                f.seek(0)
            sq = SyscallQueue(self.sfs)
            records = iter(lambda: sq.pop(), None)
        else:
            records = self._get_records(keytype, key)
            #if len(records) > 1000: raise Exception('too many records')
        dbg.load('loaded records in load', records)
        # bingo!

        for kf in self.kfs:
            kf.seek(0)
        kq = KprobesQueue(self.kfs)
        pidd = PidDict()

        for r in records:
            try:
                kq.fix(r)  # fix inode gen
                pidd.fix(r)  # fix pid gen
                fix_r(r)  # fix args
            except EOFError:
                continue
            except:
                try:
                    # fixup fs
                    for f in self.sfs:
                        _fix_f(f)
                    continue
                except:
                    raise StopIteration
            yield r
示例#2
0
 def __init__(self, name, osloader=None):
     """None for osloader refers to the global static OsLoader
 instance. If a value is passed in for osloader, it will be used
 instead."""
     super(RegisteredObject, self).__init__(name)
     if RegisteredObject.name_map.has_key(name):
         raise Exception('duplicate object', name)
     RegisteredObject.name_map[name] = self
     self.osloader = osloader
     dbg.load('registered object', name)
示例#3
0
    def _dbget(idx, k):
        #code.interact(local=locals())
        dbg.load('key to dbget: ', repr(k))
        for i, c in enumerate(idx):
            dbg.load('i, c ', i, c)
            pair = c.get(k, bsddb.db.DB_SET)
            dbg.load('pair ', pair)
            while pair is not None:
                v = struct.unpack("=QHI", pair[1])
                #'=QHI': [
                #     unsigned long long (8), unsigned short (2),
                #     unsigned int(4)]
                #
                # This corresponds to this struct from //retro/ctl/retroctl.c:
                # struct {
                #       size_t offset;
                #       uint16_t nr;
                #       uint32_t sid;
                #       ...
                # }

                offset = v[0]
                nr = v[1]
                sid = v[2]
                yield (i, offset, nr, sid)
                pair = c.next_dup()
示例#4
0
    def load(self, n, what):
        # ipopov:
        #     - a handler (loader) for RegisteredObjects, for example.
        #     - called within mgrapi.py
        #     cf: mgrapi.LoaderMap.register_loader('ino'    , load)
        enable_incremental = True
        type = None
        key = None

        if n is not None:
            if n[0] == 'pid':
                type = 'pid'
                if n[2] == 'syscall':
                    key = (n[1], n[3])
                else:
                    key = (n[1], None)
            elif n[0] == 'ino' or n[0] == 'dir':
                type = 'ino'
                key = (n[1], n[2])
            elif n[0] == 'network':
                type = 'network'
                key = (n[1], n[2])
            else:
                raise Exception('no incremental loading for', n)
            if not enable_incremental:
                return

        ## normalize the kinds of "what" we support
        if what != 'writers': what = 'all'
        if key: key = key + (what, )

        keytrack = (type, key, what)
        #print keytrack, self.loadset #ivodbg
        if self.is_loaded(keytrack, self.loadset):
            dbg.load('skipping dup load request', keytrack)
            return
        self.loadset.add(keytrack)

        dbg.load('loading key', type, key)
        for r in self.index_loader.load(type, key):
            dbg.load('record', r.sid, r, what, type)

            # filter out readers when all we want is to load writers
            if what == 'writers' and type == 'ino':
                (read, write) = nrdep.check_rw(r)
                if not write: continue

            self.parse_record(r)
示例#5
0
def load(h, what):
    dbg.load('loading name', h)

    dbf = open(os.path.join(logdir, "db.log"))
    htf = open(os.path.join(logdir, "httpd.log"))

    q = {}
    for l in dbf.readlines():
        (pids, tss, type, db_path, dataq) = l.strip().split(' ')
        pid = int(pids)
        ts = int(tss)
        php = PhpActor.get(pid)
        data = urllib.unquote(dataq)
        if h:
            if h[0] == 'php':
                if h[1] != pid: continue
            elif h[0] == 'db':
                if h[1] != db_path: continue
            else:
                continue

        if type == 'query':
            qname = ('dbq', pid, ts)
            if mgrapi.RegisteredObject.by_name(qname):
                q[pid] = None
                continue

            q[pid] = DbQueryAction(qname)
            q[pid].tic = (ts, 2)
            q[pid].argsnode = mgrutil.BufferNode(q[pid].name + ('args', ),
                                                 (ts, 2), {
                                                     'dir': db_path,
                                                     'query': data
                                                 })
            x = PhpDbCall(php, q[pid].argsnode)
            x.tic = (ts, 1)
            x.tac = (ts, 2)
            x.connect()
        if type == 'query_result' and q[pid]:
            q[pid].tac = (ts, 2)
            q[pid].retnode = mgrutil.BufferNode(q[pid].name + ('ret', ),
                                                (ts, 2), data)
            q[pid].connect()
            x = PhpDbRet(php, q[pid].retnode)
            x.tic = (ts, 2)
            x.tac = (ts, 3)
            x.connect()

    for l in htf.readlines():
        x = l.strip().split(' ')
        if len(x) == 4:
            (pids, tss, type, subtype) = x
            dataq = ''
        else:
            (pids, tss, type, subtype, dataq) = x
        pid = int(pids)
        ts = int(tss)
        data = urllib.unquote(dataq)
        if h:
            if h[0] != 'php' or h[1] != pid: continue

        p_actor = PhpActor.get(pid)
        if type == 'httpreq_start':
            qname = p_actor.name + ('htargs', )
            if mgrapi.RegisteredObject.by_name(qname):
                q[pid] = None
                continue

            q[pid] = {'env': {}, 'post': ''}
            an = mgrutil.BufferNode(qname, (ts, 2), q[pid])

            ph_call = PhpStart(p_actor, an)
            ph_call.tic = (ts, 5)
            ph_call.tac = (ts, 6)
            ph_call.connect()
        if not q[pid]: continue

        if type == 'httpreq_env':
            q[pid]['env'][subtype] = data
            if subtype == 'HTTP_X_CLIENT_ID':
                ## XXX: relies on CLIENT_ID coming before PAGE_ID
                p_actor.clientid = data
            if subtype == 'HTTP_X_PAGE_ID':
                p_actor.pageid = data

        if type == 'httpreq_end':
            qname = p_actor.name + ('htargs', )
            an = mgrapi.RegisteredObject.by_name(qname)

            p_actor_ts = min(p_actor.actions).tic[0]
            bp = BrowserPageActor.get(p_actor.clientid, p_actor.pageid,
                                      (p_actor_ts, 0))

            breq_start = BrowserReqStart(bp, an)
            breq_start.tic = (p_actor_ts, 3)
            breq_start.tac = (p_actor_ts, 4)
            breq_start.connect()
            breq_start.connect_script()

        if type == 'httpreq_post':
            q[pid]['post'] = data
        if type == 'httpreq_cwd':
            q[pid]['cwd'] = data
        if type == 'httpresp':
            an = mgrutil.BufferNode(p_actor.name + ('htret', ), (ts, 2), data)

            ht_call = HttpResponse(an)
            ht_call.tic = (ts, 7)
            ht_call.tac = (ts, 8)
            ht_call.connect()

            ph_call = PhpExit(p_actor, an)
            ph_call.tic = (ts, 3)
            ph_call.tac = (ts, 4)
            ph_call.connect()

            bp = BrowserPageActor.get(p_actor.clientid, p_actor.pageid, ts)
            breq_end = BrowserReqExit(bp, an)
            breq_end.tic = (ts, 5)
            breq_end.tac = (ts, 6)
            breq_end.connect()