This file is indexed.

/usr/lib/xen-common/bin/xen-init-name is in xen-utils-common 4.4.1-9+deb8u10.

This file is owned by root:root, with mode 0o755.

The actual contents of the file can be viewed below.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
#!/usr/bin/python

import json
import re
import sys
import subprocess


class SXPParser(object):
    tokenizer_rules = r""" (?P<open> \( ) | (?P<close> \) ) | (?P<whitespace> \s+ ) | [^()^\s]+ """
    tokenizer_re = re.compile(tokenizer_rules, re.X)

    @classmethod
    def loads(cls, input):
        data = []
        stack = []
        for match in cls.tokenizer_re.finditer(input):
            if match.group('open'):
                stack.append([])
            elif match.group('close'):
                top = stack.pop()
                if stack:
                    stack[-1].append(top)
                else:
                    data.append(top)
            elif match.group('whitespace'):
                pass
            else:
                if stack:
                    stack[-1].append(match.group())
        return data


class Data(object):
    def __call__(self, out):
        out.write('{}\n'.format(self.name))


class DataJSON(Data):
    def __init__(self, p):
        s = json.loads(p)
        self.name = s['config']['c_info']['name']


class DataSXP(Data):
    def __init__(self, p):
        s = SXPParser.loads(p)
        for i in s:
            if i and i[0] == 'domain':
                data = dict(j for j in i if len(j) == 2)
                self.name = data['name']
                break


if __name__ == '__main__':
    p = subprocess.check_output(('xen', 'create', '--quiet', '--dryrun', '--defconfig', sys.argv[1]))
    if p[0] == '(':
        d = DataSXP(p)
    else:
        d = DataJSON(p)
    d(sys.stdout)