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Check sepolicy database version in add_xperm_rule

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Fix #8344
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残页 2024-09-21 21:36:20 +08:00 committed by John Wu
parent 33f70f8f6d
commit 16a168535d
1 changed files with 4 additions and 0 deletions
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4
native/src/sepolicy/sepolicy.cpp
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@ -271,6 +271,10 @@ bool sepol_impl::add_rule(const char *s, const char *t, const char *c, const cha
#define ioctl_func(x) (x & 0xFF)
void sepol_impl::add_xperm_rule(type_datum_t *src, type_datum_t *tgt, class_datum_t *cls, const Xperm &p, int effect) {
if (db->policyvers < POLICYDB_VERSION_XPERMS_IOCTL) {
LOGE("policy version %u does not support ioctl extended permissions rules\n", db->policyvers);
return;
}
if (src == nullptr) {
for_each_attr(db->p_types.table, [&](type_datum_t *type) {
add_xperm_rule(type, tgt, cls, p, effect);