1*5c2921b0SApple OSS Distributions""" Please make sure you read the README file COMPLETELY BEFORE reading anything below. 2*5c2921b0SApple OSS Distributions It is very critical that you read coding guidelines in Section E in README file. 3*5c2921b0SApple OSS Distributions""" 4*5c2921b0SApple OSS Distributionsfrom __future__ import absolute_import, print_function 5*5c2921b0SApple OSS Distributions 6*5c2921b0SApple OSS Distributionsfrom builtins import range 7*5c2921b0SApple OSS Distributions 8*5c2921b0SApple OSS Distributionsfrom xnu import * 9*5c2921b0SApple OSS Distributionsfrom utils import * 10*5c2921b0SApple OSS Distributions 11*5c2921b0SApple OSS Distributions# Macro: walkkauthcache 12*5c2921b0SApple OSS Distributions@lldb_command('walkkauthcache') 13*5c2921b0SApple OSS Distributionsdef WalkKauthCache(cmd_args=None): 14*5c2921b0SApple OSS Distributions """ Walks the bins of the kauth credential hash cache and prints out the 15*5c2921b0SApple OSS Distributions number of bins and bin usage information. 16*5c2921b0SApple OSS Distributions """ 17*5c2921b0SApple OSS Distributions PrintKauthCache() 18*5c2921b0SApple OSS Distributions# EndMacro: walkkauthcache 19*5c2921b0SApple OSS Distributions 20*5c2921b0SApple OSS Distributionsdef PrintKauthCache(cmd_args=None): 21*5c2921b0SApple OSS Distributions """ Routine to determine the size of the kauth cache, walk the bins 22*5c2921b0SApple OSS Distributions and print out usage information. 23*5c2921b0SApple OSS Distributions """ 24*5c2921b0SApple OSS Distributions anchor = unsigned(kern.globals.kauth_cred_table_anchor) 25*5c2921b0SApple OSS Distributions table_entries = 128 # KAUTH_CRED_TABLE_SIZE 26*5c2921b0SApple OSS Distributions anchor = kern.globals.kauth_cred_table_anchor 27*5c2921b0SApple OSS Distributions print("Cred cache has: " + str(table_entries) + " buckets\n") 28*5c2921b0SApple OSS Distributions print("Number of items in each bucket ... \n") 29*5c2921b0SApple OSS Distributions for i in range(0, table_entries): 30*5c2921b0SApple OSS Distributions numinbucket = 0 31*5c2921b0SApple OSS Distributions for kauth_cred in IterateListEntry(anchor[i], 'struct ucred_rw *', "crw_link"): 32*5c2921b0SApple OSS Distributions numinbucket += 1 33*5c2921b0SApple OSS Distributions #print str(kauth_cred.cr_posix) 34*5c2921b0SApple OSS Distributions #print str(kauth_cred.cr_ref) 35*5c2921b0SApple OSS Distributions print(str(numinbucket) + "\n") 36