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Diffstat (limited to 'tasks/rename_grep_network/task.py')
| -rw-r--r-- | tasks/rename_grep_network/task.py | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/tasks/rename_grep_network/task.py b/tasks/rename_grep_network/task.py new file mode 100644 index 0000000..4d81313 --- /dev/null +++ b/tasks/rename_grep_network/task.py @@ -0,0 +1,282 @@ +# TODO: +# - check if everything is filled in (computers, params, preparation) +# - improve scoring +# - test +# - switch to a real SSH/SFTP client to properly handle filenames + +instructions = { + 'si': """ +<pre>Ustvari dva navidezna računalnika s slikama diskov +- SimpleArbiterExam s sliko diska simpleArbiterDhcp in +SmallStudent s slikama diska student-entrance3 +in smallstudent-personal. + +Drugi razdelek na sliki smallstudent-personal priklopi na imenik {mntdir} + +Na SimpleArbiterExam se lahko prijaviš z uporabniškim imenom tester in geslom test. +Na SmallStudentExam se lahko prijaviš kot root z geslom kaboom. + +Poskrbi, da bo SmallStudent s SimpleArbiter dostopen na naslovu {testip}. + +Na SmallStudent ustvari uporabnika {testuser} z geslom {passwd}. + +Na smallstudent-personal je nekje skrita +datoteka, ki vsebuje niz {magicstr}. +Skopiraj jo v domači imenik {testuser} in preimenuj tako, da vse znake 'O' v imenu zamenjaš z 'I'. +Pazi, da nobena druga datoteka v domačem imeniku v svojem imenu ne bo vsebovala "I". + +Poskrbi, da bo lastnik {testuser}, skupina pa naj ostane nespremenjena. +Brati naj jo ima pravico samo lastnik, pisati lastnik in skupina, poganjati nihče.</pre> +""", + 'en': ''' +''', +} + +instructions = {'si': 'Potrpite.', 'en': 'Have patience.'} + +computers = { + 'SimpleArbiter': { + 'disks': [ + { + 'name': 'simpleArbiterEntrance', + }, + ], + 'network_interfaces': [ + { + 'network': 'net1', + }, + { + 'network': 'net2', + }, + ], + 'flavor': 'm1.tiny', + 'config_drive': False, + }, + 'SmallStudent': { + 'disks': [ + { + 'name': 'student-entrance4', + # 'parts': [{'dev': 'sda1', 'path': '/'}], + }, + { + 'name': 'smallstudent-personal', + 'parts': [{'dev': 'sdb1', 'path': '/media'}, {'dev': 'sdb2', 'path': '/mnt'}] + } + ], + 'network_interfaces': [ + { + 'network': 'net2', + }, + ], + 'flavor': 'm1.tiny', + 'config_drive': False, + } +} + +networks = { + 'net1': { + 'public': True, + }, + 'net2': { + 'public': False, + } +} + +params_meta = { + 'testip': { + 'descriptions': { + 'si': 'IP SmallStudent', + 'en': 'IP SmallStudent', + }, + 'w': False, + 'public': True, + 'type': 'IP', + 'generated': True, + }, + 'testuser': { + 'descriptions': { + 'si': 'Uporabnik na SmallStudent', + 'en': 'Username on SmallStudent', + }, + 'w': False, + 'public': True, + 'type': 'username', + 'generated': True, + }, + 'passwd': { + 'descriptions': { + 'si': 'Geslo na SmallStudent', + 'en': 'Password on SmallStudent', + }, + 'w': False, + 'public': True, + 'type': None, + 'generated': True, + + }, + 'mntdir': { + 'descriptions': { + 'si': 'imenik za priklop diska', + 'en': 'mountpoint', + }, + 'w': False, + 'public': True, + 'type': 'dirname', + 'generated': True, + }, + 'magicstr' : { + 'descriptions': { + 'si': 'Niz v iskani datoteki', + 'en': 'String in the file you need to find', + }, + 'w': False, + 'public': True, + 'type': None, + 'generated': True, + + }, + 'rndseed': { + 'descriptions': { + 'si': 'random seed za skrito datoteko', + 'en': 'random seed for hiding the file', + }, + 'w': False, + 'public': False, + 'type': None, + 'generated': True, + }, +} + +def task(testip, testuser, passwd, mntdir, magicstr): + return kpov_util.ssh_test(testip, testuser, passwd, ( + ('home_ls', 'ls ~/'), + ('dst_file_contents', 'cat ~/*I*.txt'), + ('dst_ls', 'ls -l ~/*I*.txt'), + ('mnt', 'mount'), + )) + +def gen_params(user_id, params_meta): + import random + params = dict() + r = random.Random(user_id) + params['testip'] = kpov_util.IPv4_addr_gen(r, + network = '10.94.80.0/19', n_generated=1)[0] + params['testuser'] = kpov_util.default_generators['username'](r) + params['passwd'] = kpov_util.alnum_gen(r, 8) + params['magicstr'] = "".join([r.choice("qwerztlpoQWERTPOL") for i in range(10)]) + params['mntdir'] = "/" + kpov_util.default_generators['filename'](r) + params['rndseed'] = kpov_util.alnum_gen(r, 8) + return params + + +def task_check(results, params): + import os + import re + hints = [] + score = 0 + if results['ssh'] is not True: + hints += ['ssh failed: ' + results['ssh']] + hidden_contents = params['magicstr'] + r = random.Random(params['rndseed']) + dstfile = "".join([r.choice("qQoOp") for i in range(64)]) + "I.txt" + dstfile = dstfile.replace('O', 'I') + for i in range(1000): + start = "".join([r.choice(["po", "p0", "no", "ko", "fo", "qo"]) for i in range(20)]) + mid = "".join([r.choice("uiasdfghjkyxcvbnm1234567890ASDFGHJKYZXCVBNM") for i in range(60)]) + end = r.choice(["lz", "1z", "Iz", "iz", "l2", "I2", "12"]) + #if start[:2] == "po" and end == "lz": + # start = "po" + # mid = "kaka" + x = start + mid + end + hidden_contents += x + "\r\n" + expected_contents = hidden_contents + #expected_contents = re.sub(r"^po.*lz\r$", + # r"pokakalz\r", + # hidden_contents, + # re.MULTILINE) + if results["dst_file_contents"] == expected_contents: + score += 3 + else: + diff_pos = (0, "") + for i, c in enumerate(results["dst_file_contents"]): + if len(expected_contents) < i or c != expected_contents[i]: + start = max(0, i-10) + end = min(len(expected_contents), len(results["dst_file_contents"]), i+20) + diff_pos = (i, results["dst_file_contents"][start:end]) + break + hints += ["wrong file contents\n" + str(diff_pos[1])] + params['dstfile'] = dstfile + expected_dst_ls = "-rw--w---- 1 {testuser} bilbo .*{dstfile}".format(**params) + if re.match(expected_dst_ls, results["dst_ls"]): + score += 2 + else: + hints += ["missing file or wrong user/permissions\n" + results["dst_ls"] + "\n" + expected_dst_ls] + if results["home_ls"].find(params['dstfile']) > -1: + score += 2 + expected_mnts = [ + "/dev/sdb2 on {mntdir} type ext4".format(**params), + "sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)", + "proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)", + "udev on /dev type devtmpfs (rw,nosuid,relatime", + "/dev/sda1 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered)",] + if all([results["mnt"].find(expected_mnt) > -1 for expected_mnt in expected_mnts]): + score += 3 + else: + hints += ["missing or wrong mount\n"] + return score, hints + + +def prepare_disks(templates, task_params, global_params): + import random + import os + + # first create the file contents to make it easyer to check. + hidden_contents = task_params['magicstr'] + r = random.Random(task_params['rndseed']) + dstfile = "".join([r.choice("qQoOp") for i in range(64)]) + "I.txt" + for i in range(1000): + x = "".join([r.choice(["po", "p0", "no", "ko", "fo", "qo"]) for i in range(20)]) + x += "".join([r.choice("uiasdfghjkyxcvbnm1234567890ASDFGHJKYZXCVBNM") for i in range(60)]) + x += r.choice(["lz", "1z", "Iz", "iz", "l2", "I2", "12"]) + hidden_contents += x + "\n" + + # create hidden file + dir_list = ['Qlipper', 'Thunar', 'blender', 'autostart', 'kazam', 'mc', 'netsurf', 'pulse', 'qupzilla', 'radare2', 'teamviewer', 'texstudio', 'vlc'] + ending_list = ['rc', '.conf', '', '.txt'] + start_list = ['net', 'dev', 'doc', 'lib', 'time', 'conf'] + for i in range(20): + start_list.append("".join([r.choice("qQoOp") for i in range(64)]) + "O") + r.shuffle(dir_list) + file_letters = ["mod", "co"] + + d = templates['smallstudent-personal'] + d.mkdir('/mnt/.hideme') + d.mkdir('/media/.hideme') + for potential_dir in dir_list: + try: + potential_dir1 = os.path.join('/mnt/.hideme', potential_dir) + potential_dir2 = os.path.join('/media/.hideme', potential_dir) + d.mkdir(potential_dir1) + d.chown(1001, 1001, potential_dir1) + d.mkdir(potential_dir2) + d.chown(1001, 1001, potential_dir2) + except: + pass + rndstr2 = dstfile + for i in range(r.randint(2, 20)): + hidden_file_name1 = os.path.join(potential_dir1, + rndstr2) + hidden_file_name2 = os.path.join(potential_dir2, + rndstr2) + d.write(hidden_file_name1, hidden_contents) + d.chown(1001, 1001, hidden_file_name1) + file_letters = ["stamp", "", "dev", "re"] + hidden_contents = "".join([r.choice("asdfghjkyxcvbnm1234567890 \n") for j in range(10000)]) + d.write(hidden_file_name2, hidden_contents) + d.chown(1001, 1001, hidden_file_name2) + rndstr2 = r.choice(start_list) + \ + r.choice(file_letters) + r.choice(ending_list) + file_letters = file_letters + ["mod", "co"] + # TODO create some additional files + + # write_default_config(templates['simpleArbiterDhcpGW'], global_params) |