xref: /xnu-10002.41.9/tools/lldbmacros/kauth.py (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions""" Please make sure you read the README file COMPLETELY BEFORE reading anything below.
2*699cd480SApple OSS Distributions    It is very critical that you read coding guidelines in Section E in README file.
3*699cd480SApple OSS Distributions"""
4*699cd480SApple OSS Distributionsfrom __future__ import absolute_import, print_function
5*699cd480SApple OSS Distributions
6*699cd480SApple OSS Distributionsfrom builtins import range
7*699cd480SApple OSS Distributions
8*699cd480SApple OSS Distributionsfrom xnu import *
9*699cd480SApple OSS Distributionsfrom utils import *
10*699cd480SApple OSS Distributions
11*699cd480SApple OSS Distributions# Macro: walkkauthcache
12*699cd480SApple OSS Distributions@lldb_command('walkkauthcache')
13*699cd480SApple OSS Distributionsdef WalkKauthCache(cmd_args=None):
14*699cd480SApple OSS Distributions    """ Walks the bins of the kauth credential hash cache and prints out the
15*699cd480SApple OSS Distributions        number of bins and bin usage information.
16*699cd480SApple OSS Distributions    """
17*699cd480SApple OSS Distributions    PrintKauthCache()
18*699cd480SApple OSS Distributions# EndMacro: walkkauthcache
19*699cd480SApple OSS Distributions
20*699cd480SApple OSS Distributionsdef PrintKauthCache(cmd_args=None):
21*699cd480SApple OSS Distributions    """ Routine to determine the size of the kauth cache, walk the bins
22*699cd480SApple OSS Distributions         and print out usage information.
23*699cd480SApple OSS Distributions    """
24*699cd480SApple OSS Distributions    anchor = unsigned(kern.globals.kauth_cred_table_anchor)
25*699cd480SApple OSS Distributions    table_entries = 128 # KAUTH_CRED_TABLE_SIZE
26*699cd480SApple OSS Distributions    anchor = kern.globals.kauth_cred_table_anchor
27*699cd480SApple OSS Distributions    print("Cred cache has: " + str(table_entries) + " buckets\n")
28*699cd480SApple OSS Distributions    print("Number of items in each bucket ... \n")
29*699cd480SApple OSS Distributions    for i in range(0, table_entries):
30*699cd480SApple OSS Distributions        numinbucket = 0
31*699cd480SApple OSS Distributions        for kauth_cred in IterateListEntry(anchor[i], "crw_link"):
32*699cd480SApple OSS Distributions            numinbucket += 1
33*699cd480SApple OSS Distributions            #print str(kauth_cred.cr_posix)
34*699cd480SApple OSS Distributions            #print str(kauth_cred.cr_ref)
35*699cd480SApple OSS Distributions        print(str(numinbucket) + "\n")
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