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kernel, ksud, manager: New supercalls implementations

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* This commit squashes new supercall impl:
3138651a38..562a3b9be7

Thanks to these people below:

Official KernelSU:
Co-authored-by: Wang Han <416810799@qq.com>
Co-authored-by: weishu <twsxtd@gmail.com>
Co-authored-by: Ylarod <me@ylarod.cn>
Co-authored-by: YuKongA <70465933+YuKongA@users.noreply.github.com>

xxKSU maintainer:
Co-authored-by: backslashxx <118538522+backslashxx@users.noreply.github.com>
MMRL maintainer:
Co-authored-by: Der_Googler <54764558+dergoogler@users.noreply.github.com>
KSUN maintainer:
Co-authored-by: Rifat Azad <33044977+rifsxd@users.noreply.github.com>
KOWSU maintainer:
Co-authored-by: KOWX712 <leecc0503@gmail.com>
This commit is contained in:
ShirkNeko
2025-11-06 03:54:44 +08:00
parent c55a918957
commit 68f3be2cbe
23 changed files with 1804 additions and 2218 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
kernel/selinux/sepolicy.c
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@@ -62,18 +62,18 @@ static bool add_typeattribute(struct policydb *db, const char *type,
// rules
#define strip_av(effect, invert) ((effect == AVTAB_AUDITDENY) == !invert)
#define ksu_hash_for_each(node_ptr, n_slot, cur) \
int i; \
for (i = 0; i < n_slot; ++i) \
#define ksu_hash_for_each(node_ptr, n_slot, cur) \
int i; \
for (i = 0; i < n_slot; ++i) \
for (cur = node_ptr[i]; cur; cur = cur->next)
// htable is a struct instead of pointer above 5.8.0:
// https://elixir.bootlin.com/linux/v5.8-rc1/source/security/selinux/ss/symtab.h
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 8, 0)
#define ksu_hashtab_for_each(htab, cur) \
#define ksu_hashtab_for_each(htab, cur) \
ksu_hash_for_each(htab.htable, htab.size, cur)
#else
#define ksu_hashtab_for_each(htab, cur) \
#define ksu_hashtab_for_each(htab, cur) \
ksu_hash_for_each(htab->htable, htab->size, cur)
#endif
@@ -84,7 +84,7 @@ static bool add_typeattribute(struct policydb *db, const char *type,
#define symtab_insert(s, name, datum) hashtab_insert((s)->table, name, datum)
#endif
#define avtab_for_each(avtab, cur) \
#define avtab_for_each(avtab, cur) \
ksu_hash_for_each(avtab.htable, avtab.nslot, cur);
static struct avtab_node *get_avtab_node(struct policydb *db,
@@ -552,8 +552,8 @@ static bool add_filename_trans(struct policydb *db, const char *s,
}
if (trans == NULL) {
trans = (struct filename_trans_datum *)kcalloc(1 ,sizeof(*trans),
GFP_ATOMIC);
trans = (struct filename_trans_datum *)kcalloc(sizeof(*trans),
1, GFP_ATOMIC);
struct filename_trans_key *new_key =
(struct filename_trans_key *)kmalloc(sizeof(*new_key),
GFP_ATOMIC);
@@ -657,27 +657,30 @@ static bool add_type(struct policydb *db, const char *type_name, bool attr)
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 1, 0)
struct ebitmap *new_type_attr_map_array = ksu_realloc(
db->type_attr_map_array, value * sizeof(struct ebitmap),
(value - 1) * sizeof(struct ebitmap));
struct ebitmap *new_type_attr_map_array =
ksu_realloc(db->type_attr_map_array,
value * sizeof(struct ebitmap),
(value - 1) * sizeof(struct ebitmap));
if (!new_type_attr_map_array) {
pr_err("add_type: alloc type_attr_map_array failed\n");
return false;
}
struct type_datum **new_type_val_to_struct = ksu_realloc(
db->type_val_to_struct, sizeof(*db->type_val_to_struct) * value,
sizeof(*db->type_val_to_struct) * (value - 1));
struct type_datum **new_type_val_to_struct =
ksu_realloc(db->type_val_to_struct,
sizeof(*db->type_val_to_struct) * value,
sizeof(*db->type_val_to_struct) * (value - 1));
if (!new_type_val_to_struct) {
pr_err("add_type: alloc type_val_to_struct failed\n");
return false;
}
char **new_val_to_name_types = ksu_realloc(
db->sym_val_to_name[SYM_TYPES], sizeof(char *) * value,
sizeof(char *) * (value - 1));
char **new_val_to_name_types =
ksu_realloc(db->sym_val_to_name[SYM_TYPES],
sizeof(char *) * value,
sizeof(char *) * (value - 1));
if (!new_val_to_name_types) {
pr_err("add_type: alloc val_to_name failed\n");
return false;
@@ -700,7 +703,7 @@ static bool add_type(struct policydb *db, const char *type_name, bool attr)
}
return true;
#elif defined(CONFIG_IS_HW_HISI) && defined(CONFIG_HISI_PMALLOC)
#elif defined(CONFIG_IS_HW_HISI)
/*
* Huawei use type_attr_map and type_val_to_struct.
* And use ebitmap not flex_array.
@@ -724,9 +727,10 @@ static bool add_type(struct policydb *db, const char *type_name, bool attr)
return false;
}
char **new_val_to_name_types = krealloc(
db->sym_val_to_name[SYM_TYPES],
sizeof(char *) * db->symtab[SYM_TYPES].nprim, GFP_KERNEL);
char **new_val_to_name_types =
krealloc(db->sym_val_to_name[SYM_TYPES],
sizeof(char *) * db->symtab[SYM_TYPES].nprim,
GFP_KERNEL);
if (!new_val_to_name_types) {
pr_err("add_type: alloc val_to_name failed\n");
return false;
@@ -832,11 +836,8 @@ static bool add_type(struct policydb *db, const char *type_name, bool attr)
if (old_fa) {
flex_array_free(old_fa);
}
#if defined(CONFIG_IS_HW_HISI)
ebitmap_init(flex_array_get(db->type_attr_map_array, value - 1), HISI_SELINUX_EBITMAP_RO);
#else
ebitmap_init(flex_array_get(db->type_attr_map_array, value - 1));
#endif
ebitmap_set_bit(flex_array_get(db->type_attr_map_array, value - 1),
value - 1, 1);
@@ -903,21 +904,15 @@ static void add_typeattribute_raw(struct policydb *db, struct type_datum *type,
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 1, 0)
struct ebitmap *sattr = &db->type_attr_map_array[type->value - 1];
#elif defined(CONFIG_IS_HW_HISI) && defined(CONFIG_HISI_PMALLOC)
#elif defined(CONFIG_IS_HW_HISI)
/*
* HISI_SELINUX_EBITMAP_RO is Huawei's unique features.
*/
struct ebitmap *sattr = &db->type_attr_map[type->value - 1],
HISI_SELINUX_EBITMAP_RO;
#else
#if defined(CONFIG_IS_HW_HISI)
struct ebitmap *sattr =
flex_array_get(db->type_attr_map_array, type->value - 1),
HISI_SELINUX_EBITMAP_RO;
#else
struct ebitmap *sattr =
flex_array_get(db->type_attr_map_array, type->value - 1);
#endif
struct ebitmap *sattr =
flex_array_get(db->type_attr_map_array, type->value - 1);
#endif
ebitmap_set_bit(sattr, attr->value - 1, 1);