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Print permissive rules

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This commit is contained in:
topjohnwu 2023-08-02 09:11:22 -07:00
parent f2e109ad7d
commit 17ba5cba3e
1 changed files with 28 additions and 24 deletions
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52
native/src/sepolicy/sepolicy.cpp
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@ -83,15 +83,18 @@ static int avtab_remove_node(avtab_t *h, avtab_ptr_t node) {
if (!h || !h->htable)
return SEPOL_ENOMEM;
int hvalue = avtab_hash(&node->key, h->mask);
avtab_ptr_t prev, cur;
for (prev = nullptr, cur = h->htable[hvalue]; cur; prev = cur, cur = cur->next) {
avtab_ptr_t prev = nullptr;
avtab_ptr_t cur = h->htable[hvalue];
while (cur) {
if (cur == node)
break;
prev = cur;
cur = cur->next;
}
if (cur == nullptr)
return SEPOL_ENOENT;
// Detach from hash table
// Detach from link list
if (prev)
prev->next = node->next;
else
@ -99,8 +102,7 @@ static int avtab_remove_node(avtab_t *h, avtab_ptr_t node) {
h->nel--;
// Free memory
if (node->key.specified & AVTAB_XPERMS)
free(node->datum.xperms);
free(node->datum.xperms);
free(node);
return 0;
}
@ -730,32 +732,34 @@ void sepolicy::print_rules() {
}
void sepol_impl::print_type(FILE *fp, type_datum_t *type) {
const char *name = db->p_type_val_to_name[type->s.value - 1];
if (name == nullptr)
return;
if (type->flavor == TYPE_ATTRIB) {
if (const char *attr = db->p_type_val_to_name[type->s.value - 1]) {
fprintf(fp, "attribute %s\n", attr);
}
fprintf(fp, "attribute %s\n", name);
} else if (type->flavor == TYPE_TYPE) {
if (const char *name = db->p_type_val_to_name[type->s.value - 1]) {
bool first = true;
ebitmap_t *bitmap = &db->type_attr_map[type->s.value - 1];
for (uint32_t i = 0; i <= bitmap->highbit; ++i) {
if (ebitmap_get_bit(bitmap, i)) {
auto attr_type = db->type_val_to_struct[i];
if (attr_type->flavor == TYPE_ATTRIB) {
if (const char *attr = db->p_type_val_to_name[i]) {
if (first) {
fprintf(fp, "type %s {", name);
first = false;
}
fprintf(fp, " %s", attr);
bool first = true;
ebitmap_t *bitmap = &db->type_attr_map[type->s.value - 1];
for (uint32_t i = 0; i <= bitmap->highbit; ++i) {
if (ebitmap_get_bit(bitmap, i)) {
auto attr_type = db->type_val_to_struct[i];
if (attr_type->flavor == TYPE_ATTRIB) {
if (const char *attr = db->p_type_val_to_name[i]) {
if (first) {
fprintf(fp, "type %s {", name);
first = false;
}
fprintf(fp, " %s", attr);
}
}
}
if (!first) {
fprintf(fp, " }\n");
}
}
if (!first) {
fprintf(fp, " }\n");
}
}
if (ebitmap_get_bit(&db->permissive_map, type->s.value)) {
fprintf(stdout, "permissive %s\n", name);
}
}