#include "authutilities.h"
#include "authd_private.h"
#include "debugging.h"
#include <AssertMacros.h>
#include <assert.h>
#include <syslog.h>
xpc_object_t
SerializeItemSet(const AuthorizationItemSet * itemSet)
{
xpc_object_t set = NULL;
require_quiet(itemSet != NULL, done);
require_quiet(itemSet->count != 0, done);
set = xpc_array_create(NULL, 0);
require(set != NULL, done);
for (uint32_t i = 0; i < itemSet->count; i++) {
xpc_object_t item = xpc_dictionary_create(NULL, NULL, 0);
require(item != NULL, done);
xpc_dictionary_set_string(item, AUTH_XPC_ITEM_NAME, itemSet->items[i].name);
xpc_dictionary_set_uint64(item, AUTH_XPC_ITEM_FLAGS, itemSet->items[i].flags);
xpc_dictionary_set_data(item, AUTH_XPC_ITEM_VALUE, itemSet->items[i].value, itemSet->items[i].valueLength);
xpc_array_set_value(set, XPC_ARRAY_APPEND, item);
xpc_release(item);
}
done:
return set;
}
AuthorizationItemSet *
DeserializeItemSet(const xpc_object_t data)
{
AuthorizationItemSet * set = NULL;
require_quiet(data != NULL, done);
xpc_retain(data);
require(xpc_get_type(data) == XPC_TYPE_ARRAY, done);
set = (AuthorizationItemSet*)calloc(1u, sizeof(AuthorizationItemSet));
require(set != NULL, done);
set->count = (uint32_t)xpc_array_get_count(data);
if (set->count) {
set->items = (AuthorizationItem*)calloc(set->count, sizeof(AuthorizationItem));
require_action(set->items != NULL, done, set->count = 0);
xpc_array_apply(data, ^bool(size_t index, xpc_object_t value) {
require(xpc_get_type(value) == XPC_TYPE_DICTIONARY, done);
size_t nameLen = 0;
const char * name = xpc_dictionary_get_string(value, AUTH_XPC_ITEM_NAME);
if (name) {
nameLen = strlen(name) + 1;
set->items[index].name = calloc(1u, nameLen);
require(set->items[index].name != NULL, done);
strlcpy((char*)set->items[index].name, name, nameLen);
}
set->items[index].flags = (uint32_t)xpc_dictionary_get_uint64(value, AUTH_XPC_ITEM_FLAGS);
size_t len;
const void * valueData = xpc_dictionary_get_data(value, AUTH_XPC_ITEM_VALUE, &len);
set->items[index].valueLength = len;
if (len) {
set->items[index].value = calloc(1u, len);
require(set->items[index].value != NULL, done);
memcpy(set->items[index].value, valueData, len);
}
done:
return true;
});
}
done:
if (data != NULL) {
xpc_release(data);
}
return set;
}
void FreeItemSet(AuthorizationItemSet * itemSet)
{
if (!itemSet) { return; }
for(uint32_t i = 0; i < itemSet->count; i++ ) {
if (itemSet->items[i].name) {
free((void*)itemSet->items[i].name);
}
if (itemSet->items[i].value) {
free(itemSet->items[i].value);
}
}
if (itemSet->items) {
free(itemSet->items);
}
free(itemSet);
}
char *
_copy_cf_string(CFTypeRef str, const char * defaultValue)
{
char * result = NULL;
require(str != NULL, done);
require(CFGetTypeID(str) == CFStringGetTypeID(), done);
CFIndex length = CFStringGetLength(str);
CFIndex size = CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8) + 1;
result = (char*)calloc(1u, (size_t)size);
check(result != NULL);
if (!CFStringGetCString(str, result, size, kCFStringEncodingUTF8)) {
free_safe(result);
}
done:
if (result == NULL && defaultValue) {
size_t len = strlen(defaultValue);
result = (char*)calloc(1u, len);
check(result != NULL);
strlcpy(result, defaultValue, len);
}
return result;
}
int64_t
_get_cf_int(CFTypeRef num, int64_t defaultValue)
{
int64_t result = defaultValue;
require(num != NULL, done);
require(CFGetTypeID(num) == CFNumberGetTypeID(), done);
if (!CFNumberGetValue(num, kCFNumberSInt64Type, &result)) {
result = defaultValue;
}
done:
return result;
}
bool
_get_cf_bool(CFTypeRef value, bool defaultValue)
{
bool result = defaultValue;
require(value != NULL, done);
require(CFGetTypeID(value) == CFBooleanGetTypeID(), done);
result = CFBooleanGetValue(value);
done:
return result;
}
bool
_compare_string(const char * str1, const char * str2)
{
if (!(str1 == str2)) { if (str1 && str2) { if (strcasecmp(str1, str2) != 0) { return false; }
} else {
return false; }
}
return true;
}
char *
_copy_string(const char * str)
{
char * result = NULL;
require(str != NULL, done);
size_t len = strlen(str) + 1;
result = calloc(1u, len);
require(result != NULL, done);
strlcpy(result, str, len);
done:
return result;
}
void *
_copy_data(const void * data, size_t dataLen)
{
void * result = NULL;
require(data != NULL, done);
result = calloc(1u, dataLen);
require(result != NULL, done);
memcpy(result, data, dataLen);
done:
return result;
}
bool _cf_set_iterate(CFSetRef set, bool(^iterator)(CFTypeRef value))
{
bool result = false;
CFTypeRef* values = NULL;
require(set != NULL, done);
CFIndex count = CFSetGetCount(set);
values = calloc((size_t)count, sizeof(CFTypeRef));
require(values != NULL, done);
CFSetGetValues(set, values);
for (CFIndex i = 0; i < count; i++) {
result = iterator(values[i]);
if (!result) {
break;
}
}
done:
free_safe(values);
return result;
}
bool _cf_bag_iterate(CFBagRef bag, bool(^iterator)(CFTypeRef value))
{
bool result = false;
CFTypeRef* values = NULL;
require(bag != NULL, done);
CFIndex count = CFBagGetCount(bag);
values = calloc((size_t)count, sizeof(CFTypeRef));
require(values != NULL, done);
CFBagGetValues(bag, values);
for (CFIndex i = 0; i < count; i++) {
result = iterator(values[i]);
if (!result) {
break;
}
}
done:
free_safe(values);
return result;
}
bool _cf_dictionary_iterate(CFDictionaryRef dict, bool(^iterator)(CFTypeRef key, CFTypeRef value))
{
bool result = false;
CFTypeRef* keys = NULL;
CFTypeRef* values = NULL;
require(dict != NULL, done);
CFIndex count = CFDictionaryGetCount(dict);
keys = calloc((size_t)count, sizeof(CFTypeRef));
require(keys != NULL, done);
values = calloc((size_t)count, sizeof(CFTypeRef));
require(values != NULL, done);
CFDictionaryGetKeysAndValues(dict, keys, values);
for (CFIndex i = 0; i < count; i++) {
result = iterator(keys[i], values[i]);
if (!result) {
break;
}
}
done:
free_safe(keys);
free_safe(values);
return result;
}