forked from MarcoBuster/Magisk
714 lines
22 KiB
C++
714 lines
22 KiB
C++
#include <sepol/policydb/policydb.h>
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#include <magiskpolicy.hpp>
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#include <utils.hpp>
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#include "sepolicy.hpp"
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#if 0
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// Print out all rules going through public API for debugging
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template <typename ...Args>
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static void dprint(const char *action, Args ...args) {
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std::string s(action);
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for (int i = 0; i < sizeof...(args); ++i) s += " %s";
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s += "\n";
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LOGD(s.data(), (args ? args : "*")...);
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}
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#else
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#define dprint(...)
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#endif
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// Invert is adding rules for auditdeny; in other cases, invert is removing rules
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#define strip_av(effect, invert) ((effect == AVTAB_AUDITDENY) == !invert)
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// libsepol internal APIs
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__BEGIN_DECLS
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int policydb_index_decls(sepol_handle_t * handle, policydb_t * p);
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int avtab_hash(struct avtab_key *keyp, uint32_t mask);
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int type_set_expand(type_set_t * set, ebitmap_t * t, policydb_t * p, unsigned char alwaysexpand);
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int context_from_string(
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sepol_handle_t * handle,
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const policydb_t * policydb,
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context_struct_t ** cptr,
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const char *con_str, size_t con_str_len);
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__END_DECLS
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template <typename T>
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struct auto_cast_wrapper
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{
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auto_cast_wrapper(T *ptr) : ptr(ptr) {}
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template <typename U>
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operator U*() const { return static_cast<U*>(ptr); }
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private:
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T *ptr;
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};
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template <typename T>
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static auto_cast_wrapper<T> auto_cast(T *p) {
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return auto_cast_wrapper<T>(p);
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}
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static auto hashtab_find(hashtab_t h, const_hashtab_key_t key) {
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return auto_cast(hashtab_search(h, key));
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}
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template <class Node, class Func>
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static void hash_for_each(Node **node_ptr, int n_slot, const Func &fn) {
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for (int i = 0; i < n_slot; ++i) {
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for (Node *cur = node_ptr[i]; cur; cur = cur->next) {
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fn(cur);
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}
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}
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}
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template <class Func>
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static void hashtab_for_each(hashtab_t htab, const Func &fn) {
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hash_for_each(htab->htable, htab->size, fn);
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}
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template <class Func>
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static void avtab_for_each(avtab_t *avtab, const Func &fn) {
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hash_for_each(avtab->htable, avtab->nslot, fn);
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}
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template <class Func>
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static void for_each_attr(hashtab_t htab, const Func &fn) {
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hashtab_for_each(htab, [&](hashtab_ptr_t node) {
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auto type = static_cast<type_datum_t *>(node->datum);
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if (type->flavor == TYPE_ATTRIB)
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fn(type);
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});
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}
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static int avtab_remove_node(avtab_t *h, avtab_ptr_t node) {
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if (!h || !h->htable)
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return SEPOL_ENOMEM;
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int hvalue = avtab_hash(&node->key, h->mask);
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avtab_ptr_t prev, cur;
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for (prev = nullptr, cur = h->htable[hvalue]; cur; prev = cur, cur = cur->next) {
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if (cur == node)
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break;
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}
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if (cur == nullptr)
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return SEPOL_ENOENT;
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// Detach from hash table
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if (prev)
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prev->next = node->next;
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else
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h->htable[hvalue] = node->next;
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h->nel--;
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// Free memory
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if (node->key.specified & AVTAB_XPERMS)
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free(node->datum.xperms);
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free(node);
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return 0;
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}
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void sepol_impl::check_avtab_node(avtab_ptr_t node) {
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bool redundant;
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if (node->key.specified == AVTAB_AUDITDENY)
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redundant = node->datum.data == ~0U;
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else if (node->key.specified & AVTAB_XPERMS)
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redundant = node->datum.xperms == nullptr;
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else
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redundant = node->datum.data == 0U;
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if (redundant)
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avtab_remove_node(&db->te_avtab, node);
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}
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avtab_ptr_t sepol_impl::get_avtab_node(avtab_key_t *key, avtab_extended_perms_t *xperms) {
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avtab_ptr_t node;
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/* AVTAB_XPERMS entries are not necessarily unique */
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if (key->specified & AVTAB_XPERMS) {
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bool match = false;
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node = avtab_search_node(&db->te_avtab, key);
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while (node) {
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if ((node->datum.xperms->specified == xperms->specified) &&
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(node->datum.xperms->driver == xperms->driver)) {
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match = true;
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break;
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}
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node = avtab_search_node_next(node, key->specified);
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}
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if (!match)
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node = nullptr;
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} else {
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node = avtab_search_node(&db->te_avtab, key);
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}
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if (!node) {
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avtab_datum_t avdatum{};
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/*
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* AUDITDENY, aka DONTAUDIT, are &= assigned, versus |= for
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* others. Initialize the data accordingly.
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*/
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avdatum.data = key->specified == AVTAB_AUDITDENY ? ~0U : 0U;
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/* this is used to get the node - insertion is actually unique */
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node = avtab_insert_nonunique(&db->te_avtab, key, &avdatum);
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}
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return node;
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}
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void sepol_impl::add_rule(type_datum_t *src, type_datum_t *tgt, class_datum_t *cls, perm_datum_t *perm, int effect, bool invert) {
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if (src == nullptr) {
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if (strip_av(effect, invert)) {
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// Stripping av, have to go through all types for correct results
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hashtab_for_each(db->p_types.table, [&](hashtab_ptr_t node) {
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add_rule(auto_cast(node->datum), tgt, cls, perm, effect, invert);
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});
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} else {
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// If we are not stripping av, go through all attributes instead of types for optimization
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for_each_attr(db->p_types.table, [&](type_datum_t *type) {
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add_rule(type, tgt, cls, perm, effect, invert);
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});
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}
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} else if (tgt == nullptr) {
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if (strip_av(effect, invert)) {
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hashtab_for_each(db->p_types.table, [&](hashtab_ptr_t node) {
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add_rule(src, auto_cast(node->datum), cls, perm, effect, invert);
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});
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} else {
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for_each_attr(db->p_types.table, [&](type_datum_t *type) {
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add_rule(src, type, cls, perm, effect, invert);
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});
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}
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} else if (cls == nullptr) {
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hashtab_for_each(db->p_classes.table, [&](hashtab_ptr_t node) {
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add_rule(src, tgt, auto_cast(node->datum), perm, effect, invert);
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});
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} else {
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avtab_key_t key;
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key.source_type = src->s.value;
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key.target_type = tgt->s.value;
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key.target_class = cls->s.value;
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key.specified = effect;
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avtab_ptr_t node = get_avtab_node(&key, nullptr);
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if (invert) {
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if (perm)
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node->datum.data &= ~(1U << (perm->s.value - 1));
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else
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node->datum.data = 0U;
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} else {
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if (perm)
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node->datum.data |= 1U << (perm->s.value - 1);
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else
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node->datum.data = ~0U;
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}
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check_avtab_node(node);
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}
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}
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bool sepol_impl::add_rule(const char *s, const char *t, const char *c, const char *p, int effect, bool invert) {
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type_datum_t *src = nullptr, *tgt = nullptr;
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class_datum_t *cls = nullptr;
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perm_datum_t *perm = nullptr;
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if (s) {
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src = hashtab_find(db->p_types.table, s);
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if (src == nullptr) {
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LOGW("source type %s does not exist\n", s);
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return false;
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}
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}
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if (t) {
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tgt = hashtab_find(db->p_types.table, t);
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if (tgt == nullptr) {
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LOGW("target type %s does not exist\n", t);
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return false;
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}
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}
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if (c) {
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cls = hashtab_find(db->p_classes.table, c);
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if (cls == nullptr) {
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LOGW("class %s does not exist\n", c);
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return false;
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}
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}
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if (p) {
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if (c == nullptr) {
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LOGW("No class is specified, cannot add perm [%s] \n", p);
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return false;
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}
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perm = hashtab_find(cls->permissions.table, p);
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if (perm == nullptr && cls->comdatum != nullptr) {
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perm = hashtab_find(cls->comdatum->permissions.table, p);
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}
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if (perm == nullptr) {
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LOGW("perm %s does not exist in class %s\n", p, c);
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return false;
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}
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}
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add_rule(src, tgt, cls, perm, effect, invert);
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return true;
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}
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#define ioctl_driver(x) (x>>8 & 0xFF)
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#define ioctl_func(x) (x & 0xFF)
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void sepol_impl::add_xperm_rule(type_datum_t *src, type_datum_t *tgt,
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class_datum_t *cls, uint16_t low, uint16_t high, int effect, bool invert) {
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if (src == nullptr) {
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for_each_attr(db->p_types.table, [&](type_datum_t *type) {
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add_xperm_rule(type, tgt, cls, low, high, effect, invert);
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});
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} else if (tgt == nullptr) {
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for_each_attr(db->p_types.table, [&](type_datum_t *type) {
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add_xperm_rule(src, type, cls, low, high, effect, invert);
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});
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} else if (cls == nullptr) {
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hashtab_for_each(db->p_classes.table, [&](hashtab_ptr_t node) {
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add_xperm_rule(src, tgt, auto_cast(node->datum), low, high, effect, invert);
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});
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} else {
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avtab_key_t key;
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key.source_type = src->s.value;
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key.target_type = tgt->s.value;
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key.target_class = cls->s.value;
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key.specified = effect;
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avtab_datum_t *datum;
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avtab_extended_perms_t xperms;
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memset(&xperms, 0, sizeof(xperms));
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if (ioctl_driver(low) != ioctl_driver(high)) {
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xperms.specified = AVTAB_XPERMS_IOCTLDRIVER;
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xperms.driver = 0;
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} else {
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xperms.specified = AVTAB_XPERMS_IOCTLFUNCTION;
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xperms.driver = ioctl_driver(low);
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}
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if (xperms.specified == AVTAB_XPERMS_IOCTLDRIVER) {
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for (int i = ioctl_driver(low); i <= ioctl_driver(high); ++i) {
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if (invert)
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xperm_clear(i, xperms.perms);
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else
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xperm_set(i, xperms.perms);
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}
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} else {
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for (int i = ioctl_func(low); i <= ioctl_func(high); ++i) {
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if (invert)
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xperm_clear(i, xperms.perms);
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else
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xperm_set(i, xperms.perms);
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}
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}
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datum = &get_avtab_node(&key, &xperms)->datum;
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if (datum->xperms == nullptr)
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datum->xperms = auto_cast(xmalloc(sizeof(xperms)));
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memcpy(datum->xperms, &xperms, sizeof(xperms));
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}
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}
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bool sepol_impl::add_xperm_rule(const char *s, const char *t, const char *c, const char *range, int effect, bool invert) {
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type_datum_t *src = nullptr, *tgt = nullptr;
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class_datum_t *cls = nullptr;
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if (s) {
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src = hashtab_find(db->p_types.table, s);
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if (src == nullptr) {
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LOGW("source type %s does not exist\n", s);
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return false;
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}
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}
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if (t) {
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tgt = hashtab_find(db->p_types.table, t);
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if (tgt == nullptr) {
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LOGW("target type %s does not exist\n", t);
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return false;
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}
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}
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if (c) {
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cls = hashtab_find(db->p_classes.table, c);
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if (cls == nullptr) {
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LOGW("class %s does not exist\n", c);
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return false;
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}
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}
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uint16_t low, high;
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if (range) {
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if (strchr(range, '-')){
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sscanf(range, "%hx-%hx", &low, &high);
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} else {
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sscanf(range, "%hx", &low);
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high = low;
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}
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} else {
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low = 0;
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high = 0xFFFF;
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}
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add_xperm_rule(src, tgt, cls, low, high, effect, invert);
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return true;
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}
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bool sepol_impl::add_type_rule(const char *s, const char *t, const char *c, const char *d, int effect) {
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type_datum_t *src, *tgt, *def;
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class_datum_t *cls;
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src = hashtab_find(db->p_types.table, s);
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if (src == nullptr) {
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LOGW("source type %s does not exist\n", s);
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return false;
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}
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tgt = hashtab_find(db->p_types.table, t);
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if (tgt == nullptr) {
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LOGW("target type %s does not exist\n", t);
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return false;
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}
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cls = hashtab_find(db->p_classes.table, c);
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if (cls == nullptr) {
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LOGW("class %s does not exist\n", c);
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return false;
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}
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def = hashtab_find(db->p_types.table, d);
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if (def == nullptr) {
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LOGW("default type %s does not exist\n", d);
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return false;
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}
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avtab_key_t key;
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key.source_type = src->s.value;
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key.target_type = tgt->s.value;
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key.target_class = cls->s.value;
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key.specified = effect;
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avtab_ptr_t node = get_avtab_node(&key, nullptr);
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node->datum.data = def->s.value;
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return true;
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}
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bool sepol_impl::add_filename_trans(const char *s, const char *t, const char *c, const char *d, const char *o) {
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type_datum_t *src, *tgt, *def;
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class_datum_t *cls;
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src = hashtab_find(db->p_types.table, s);
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if (src == nullptr) {
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LOGW("source type %s does not exist\n", s);
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return false;
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}
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tgt = hashtab_find(db->p_types.table, t);
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if (tgt == nullptr) {
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LOGW("target type %s does not exist\n", t);
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return false;
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}
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cls = hashtab_find(db->p_classes.table, c);
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if (cls == nullptr) {
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LOGW("class %s does not exist\n", c);
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return false;
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}
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def = hashtab_find(db->p_types.table, d);
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if (def == nullptr) {
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LOGW("default type %s does not exist\n", d);
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return false;
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}
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filename_trans_key_t key;
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key.ttype = tgt->s.value;
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key.tclass = cls->s.value;
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key.name = (char *) o;
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filename_trans_datum_t *last = nullptr;
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filename_trans_datum_t *trans = hashtab_find(db->filename_trans, (hashtab_key_t) &key);
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while (trans) {
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if (ebitmap_get_bit(&trans->stypes, src->s.value - 1)) {
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// Duplicate, overwrite existing data and return
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trans->otype = def->s.value;
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return true;
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}
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if (trans->otype == def->s.value)
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break;
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last = trans;
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trans = trans->next;
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}
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if (trans == nullptr) {
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trans = auto_cast(xcalloc(sizeof(*trans), 1));
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filename_trans_key_t *new_key = auto_cast(malloc(sizeof(*new_key)));
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*new_key = key;
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new_key->name = strdup(key.name);
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trans->next = last;
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trans->otype = def->s.value;
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hashtab_insert(db->filename_trans, (hashtab_key_t) new_key, trans);
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}
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db->filename_trans_count++;
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return ebitmap_set_bit(&trans->stypes, src->s.value - 1, 1) == 0;
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}
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bool sepol_impl::add_genfscon(const char *fs_name, const char *path, const char *context) {
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// First try to create context
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context_struct_t *ctx;
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if (context_from_string(nullptr, db, &ctx, context, strlen(context))) {
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LOGW("Failed to create context from string [%s]\n", context);
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return false;
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}
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// Allocate genfs context
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ocontext_t *newc = auto_cast(xcalloc(sizeof(*newc), 1));
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newc->u.name = strdup(path);
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memcpy(&newc->context[0], ctx, sizeof(*ctx));
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free(ctx);
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// Find or allocate genfs
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genfs_t *last_gen = nullptr;
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genfs_t *newfs = nullptr;
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for (genfs_t *node = db->genfs; node; node = node->next) {
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if (strcmp(node->fstype, fs_name) == 0) {
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newfs = node;
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break;
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}
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last_gen = node;
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}
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if (newfs == nullptr) {
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newfs = auto_cast(xcalloc(sizeof(*newfs), 1));
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newfs->fstype = strdup(fs_name);
|
|
// Insert
|
|
if (last_gen)
|
|
last_gen->next = newfs;
|
|
else
|
|
db->genfs = newfs;
|
|
}
|
|
|
|
// Insert or replace genfs context
|
|
ocontext_t *last_ctx = nullptr;
|
|
for (ocontext_t *node = newfs->head; node; node = node->next) {
|
|
if (strcmp(node->u.name, path) == 0) {
|
|
// Unlink
|
|
if (last_ctx)
|
|
last_ctx->next = node->next;
|
|
else
|
|
newfs->head = nullptr;
|
|
// Destroy old node
|
|
free(node->u.name);
|
|
context_destroy(&node->context[0]);
|
|
free(node);
|
|
break;
|
|
}
|
|
last_ctx = node;
|
|
}
|
|
// Insert
|
|
if (last_ctx)
|
|
last_ctx->next = newc;
|
|
else
|
|
newfs->head = newc;
|
|
|
|
return true;
|
|
}
|
|
|
|
bool sepol_impl::add_type(const char *type_name, uint32_t flavor) {
|
|
type_datum_t *type = hashtab_find(db->p_types.table, type_name);
|
|
if (type) {
|
|
LOGW("Type %s already exists\n", type_name);
|
|
return true;
|
|
}
|
|
|
|
type = auto_cast(xmalloc(sizeof(type_datum_t)));
|
|
type_datum_init(type);
|
|
type->primary = 1;
|
|
type->flavor = flavor;
|
|
|
|
uint32_t value = 0;
|
|
if (symtab_insert(db, SYM_TYPES, strdup(type_name), type, SCOPE_DECL, 1, &value))
|
|
return false;
|
|
type->s.value = value;
|
|
ebitmap_set_bit(&db->global->branch_list->declared.p_types_scope, value - 1, 1);
|
|
|
|
auto new_size = sizeof(ebitmap_t) * db->p_types.nprim;
|
|
db->type_attr_map = auto_cast(xrealloc(db->type_attr_map, new_size));
|
|
db->attr_type_map = auto_cast(xrealloc(db->attr_type_map, new_size));
|
|
ebitmap_init(&db->type_attr_map[value - 1]);
|
|
ebitmap_init(&db->attr_type_map[value - 1]);
|
|
ebitmap_set_bit(&db->type_attr_map[value - 1], value - 1, 1);
|
|
|
|
// Re-index stuffs
|
|
if (policydb_index_decls(nullptr, db) ||
|
|
policydb_index_classes(db) || policydb_index_others(nullptr, db, 0))
|
|
return false;
|
|
|
|
// Add the type to all roles
|
|
for (int i = 0; i < db->p_roles.nprim; ++i) {
|
|
// Not sure all those three calls are needed
|
|
ebitmap_set_bit(&db->role_val_to_struct[i]->types.negset, value - 1, 0);
|
|
ebitmap_set_bit(&db->role_val_to_struct[i]->types.types, value - 1, 1);
|
|
type_set_expand(&db->role_val_to_struct[i]->types, &db->role_val_to_struct[i]->cache, db, 0);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool sepol_impl::set_type_state(const char *type_name, bool permissive) {
|
|
type_datum_t *type;
|
|
if (type_name == nullptr) {
|
|
hashtab_for_each(db->p_types.table, [&](hashtab_ptr_t node) {
|
|
type = auto_cast(node->datum);
|
|
if (ebitmap_set_bit(&db->permissive_map, type->s.value, permissive))
|
|
LOGW("Could not set bit in permissive map\n");
|
|
});
|
|
} else {
|
|
type = hashtab_find(db->p_types.table, type_name);
|
|
if (type == nullptr) {
|
|
LOGW("type %s does not exist\n", type_name);
|
|
return false;
|
|
}
|
|
if (ebitmap_set_bit(&db->permissive_map, type->s.value, permissive)) {
|
|
LOGW("Could not set bit in permissive map\n");
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void sepol_impl::add_typeattribute(type_datum_t *type, type_datum_t *attr) {
|
|
ebitmap_set_bit(&db->type_attr_map[type->s.value - 1], attr->s.value - 1, 1);
|
|
ebitmap_set_bit(&db->attr_type_map[attr->s.value - 1], type->s.value - 1, 1);
|
|
|
|
hashtab_for_each(db->p_classes.table, [&](hashtab_ptr_t node){
|
|
auto cls = static_cast<class_datum_t *>(node->datum);
|
|
for (constraint_node_t *n = cls->constraints; n ; n = n->next) {
|
|
for (constraint_expr_t *e = n->expr; e; e = e->next) {
|
|
if (e->expr_type == CEXPR_NAMES &&
|
|
ebitmap_get_bit(&e->type_names->types, attr->s.value - 1)) {
|
|
ebitmap_set_bit(&e->names, type->s.value - 1, 1);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
bool sepol_impl::add_typeattribute(const char *type, const char *attr) {
|
|
type_datum_t *type_d = hashtab_find(db->p_types.table, type);
|
|
if (type_d == nullptr) {
|
|
LOGW("type %s does not exist\n", type);
|
|
return false;
|
|
} else if (type_d->flavor == TYPE_ATTRIB) {
|
|
LOGW("type %s is an attribute\n", attr);
|
|
return false;
|
|
}
|
|
|
|
type_datum *attr_d = hashtab_find(db->p_types.table, attr);
|
|
if (attr_d == nullptr) {
|
|
LOGW("attribute %s does not exist\n", type);
|
|
return false;
|
|
} else if (attr_d->flavor != TYPE_ATTRIB) {
|
|
LOGW("type %s is not an attribute \n", attr);
|
|
return false;
|
|
}
|
|
|
|
add_typeattribute(type_d, attr_d);
|
|
return true;
|
|
}
|
|
|
|
void sepol_impl::strip_dontaudit() {
|
|
avtab_for_each(&db->te_avtab, [=](avtab_ptr_t node) {
|
|
if (node->key.specified == AVTAB_AUDITDENY || node->key.specified == AVTAB_XPERMS_DONTAUDIT)
|
|
avtab_remove_node(&db->te_avtab, node);
|
|
});
|
|
}
|
|
|
|
bool sepolicy::allow(const char *s, const char *t, const char *c, const char *p) {
|
|
dprint(__FUNCTION__, s, t, c, p);
|
|
return impl->add_rule(s, t, c, p, AVTAB_ALLOWED, false);
|
|
}
|
|
|
|
bool sepolicy::deny(const char *s, const char *t, const char *c, const char *p) {
|
|
dprint(__FUNCTION__, s, t, c, p);
|
|
return impl->add_rule(s, t, c, p, AVTAB_ALLOWED, true);
|
|
}
|
|
|
|
bool sepolicy::auditallow(const char *s, const char *t, const char *c, const char *p) {
|
|
dprint(__FUNCTION__, s, t, c, p);
|
|
return impl->add_rule(s, t, c, p, AVTAB_AUDITALLOW, false);
|
|
}
|
|
|
|
bool sepolicy::dontaudit(const char *s, const char *t, const char *c, const char *p) {
|
|
dprint(__FUNCTION__, s, t, c, p);
|
|
return impl->add_rule(s, t, c, p, AVTAB_AUDITDENY, true);
|
|
}
|
|
|
|
bool sepolicy::allowxperm(const char *s, const char *t, const char *c, const char *range) {
|
|
dprint(__FUNCTION__, s, t, c, "ioctl", range);
|
|
return impl->add_xperm_rule(s, t, c, range, AVTAB_XPERMS_ALLOWED, false);
|
|
}
|
|
|
|
bool sepolicy::auditallowxperm(const char *s, const char *t, const char *c, const char *range) {
|
|
dprint(__FUNCTION__, s, t, c, "ioctl", range);
|
|
return impl->add_xperm_rule(s, t, c, range, AVTAB_XPERMS_AUDITALLOW, false);
|
|
}
|
|
|
|
bool sepolicy::dontauditxperm(const char *s, const char *t, const char *c, const char *range) {
|
|
dprint(__FUNCTION__, s, t, c, "ioctl", range);
|
|
return impl->add_xperm_rule(s, t, c, range, AVTAB_XPERMS_DONTAUDIT, false);
|
|
}
|
|
|
|
bool sepolicy::type_change(const char *s, const char *t, const char *c, const char *d) {
|
|
dprint(__FUNCTION__, s, t, c, d);
|
|
return impl->add_type_rule(s, t, c, d, AVTAB_CHANGE);
|
|
}
|
|
|
|
bool sepolicy::type_member(const char *s, const char *t, const char *c, const char *d) {
|
|
dprint(__FUNCTION__, s, t, c, d);
|
|
return impl->add_type_rule(s, t, c, d, AVTAB_MEMBER);
|
|
}
|
|
|
|
bool sepolicy::type_transition(const char *s, const char *t, const char *c, const char *d, const char *o) {
|
|
if (o) {
|
|
dprint(__FUNCTION__, s, t, c, d, o);
|
|
return impl->add_filename_trans(s, t, c, d, o);
|
|
} else {
|
|
dprint(__FUNCTION__, s, t, c, d);
|
|
return impl->add_type_rule(s, t, c, d, AVTAB_TRANSITION);
|
|
}
|
|
}
|
|
|
|
bool sepolicy::permissive(const char *s) {
|
|
dprint(__FUNCTION__, s);
|
|
return impl->set_type_state(s, true);
|
|
}
|
|
|
|
bool sepolicy::enforce(const char *s) {
|
|
dprint(__FUNCTION__, s);
|
|
return impl->set_type_state(s, false);
|
|
}
|
|
|
|
bool sepolicy::type(const char *name, const char *attr) {
|
|
dprint(__FUNCTION__, name, attr);
|
|
return impl->add_type(name, TYPE_TYPE) && impl->add_typeattribute(name, attr);
|
|
}
|
|
|
|
bool sepolicy::attribute(const char *name) {
|
|
dprint(__FUNCTION__, name);
|
|
return impl->add_type(name, TYPE_ATTRIB);
|
|
}
|
|
|
|
bool sepolicy::typeattribute(const char *type, const char *attr) {
|
|
dprint(__FUNCTION__, type, attr);
|
|
return impl->add_typeattribute(type, attr);
|
|
}
|
|
|
|
bool sepolicy::genfscon(const char *fs_name, const char *path, const char *ctx) {
|
|
dprint(__FUNCTION__, fs_name, path, ctx);
|
|
return impl->add_genfscon(fs_name, path, ctx);
|
|
}
|
|
|
|
bool sepolicy::exists(const char *source) {
|
|
return hashtab_search(db->p_types.table, source) != nullptr;
|
|
}
|