1""" Please make sure you read the README file COMPLETELY BEFORE reading anything below. 2 It is very critical that you read coding guidelines in Section E in README file. 3""" 4from __future__ import absolute_import, print_function 5 6from builtins import range 7 8from xnu import * 9from utils import * 10 11# Macro: walkkauthcache 12@lldb_command('walkkauthcache') 13def WalkKauthCache(cmd_args=None): 14 """ Walks the bins of the kauth credential hash cache and prints out the 15 number of bins and bin usage information. 16 """ 17 PrintKauthCache() 18# EndMacro: walkkauthcache 19 20def PrintKauthCache(cmd_args=None): 21 """ Routine to determine the size of the kauth cache, walk the bins 22 and print out usage information. 23 """ 24 anchor = unsigned(kern.globals.kauth_cred_table_anchor) 25 table_entries = 128 # KAUTH_CRED_TABLE_SIZE 26 anchor = kern.globals.kauth_cred_table_anchor 27 print("Cred cache has: " + str(table_entries) + " buckets\n") 28 print("Number of items in each bucket ... \n") 29 for i in range(0, table_entries): 30 numinbucket = 0 31 for kauth_cred in IterateListEntry(anchor[i], 'struct ucred_rw *', "crw_link"): 32 numinbucket += 1 33 #print str(kauth_cred.cr_posix) 34 #print str(kauth_cred.cr_ref) 35 print(str(numinbucket) + "\n") 36