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kernel: Updated APK signature support, removed redundant definitions and adjusted indexing

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Co-authored-by: rsuntk <rsuntk@yukiprjkt.my.id>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
This commit is contained in:
ShirkNeko
2025-07-28 17:12:17 +08:00
parent 115206bcc6
commit 6bb66e2819
3 changed files with 18 additions and 18 deletions
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18
kernel/Makefile
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@@ -70,12 +70,15 @@ endif
ccflags-y += -DKSU_VERSION=$(KSU_VERSION)
ccflags-y += -DKSU_VERSION_FULL=\"$(KSU_VERSION_FULL)\"
ifndef KSU_EXPECTED_SIZE
KSU_EXPECTED_SIZE := 0x35c
# Custom Signs
ifdef KSU_EXPECTED_SIZE
ccflags-y += -DEXPECTED_SIZE=$(KSU_EXPECTED_SIZE)
$(info -- Custom KernelSU Manager signature size: $(KSU_EXPECTED_SIZE))
endif
ifndef KSU_EXPECTED_HASH
KSU_EXPECTED_HASH := 947ae944f3de4ed4c21a7e4f7953ecf351bfa2b36239da37a34111ad29993eef
ifdef KSU_EXPECTED_HASH
ccflags-y += -DEXPECTED_HASH=\"$(KSU_EXPECTED_HASH)\"
$(info -- Custom KernelSU Manager signature hash: $(KSU_EXPECTED_HASH))
endif
ifdef KSU_MANAGER_PACKAGE
@@ -83,9 +86,8 @@ ccflags-y += -DKSU_MANAGER_PACKAGE=\"$(KSU_MANAGER_PACKAGE)\"
$(info -- SukiSU Manager package name: $(KSU_MANAGER_PACKAGE))
endif
$(info -- SukiSU Manager signature size: $(KSU_EXPECTED_SIZE))
$(info -- SukiSU Manager signature hash: $(KSU_EXPECTED_HASH))
$(info -- Supported Unofficial Manager: 5ec1cff (GKI) ShirkNeko udochina (GKI and KPM))
KERNEL_VERSION := $(VERSION).$(PATCHLEVEL)
KERNEL_TYPE := Non-GKI
# Check for GKI 2.0 (5.10+ or 6.x+)
@@ -107,10 +109,6 @@ else
$(info -- KPM is disabled)
endif
ccflags-y += -DEXPECTED_SIZE=$(KSU_EXPECTED_SIZE)
ccflags-y += -DEXPECTED_HASH=\"$(KSU_EXPECTED_HASH)\"
ccflags-y += -Wno-implicit-function-declaration -Wno-strict-prototypes -Wno-int-conversion -Wno-gcc-compat
ccflags-y += -Wno-declaration-after-statement -Wno-unused-function

12
kernel/apk_sign.c
View File

@@ -459,7 +459,7 @@ int ksu_get_active_managers(struct manager_list_info *info)
if (ksu_manager_uid != KSU_INVALID_UID && count < 2) {
info->managers[count].uid = ksu_manager_uid;
info->managers[count].signature_index = 1;
info->managers[count].signature_index = 0;
count++;
}
@@ -490,9 +490,11 @@ static struct apk_sign_key {
unsigned size;
const char *sha256;
} apk_sign_keys[] = {
{EXPECTED_SIZE, EXPECTED_HASH},
{EXPECTED_SIZE_SHIRKNEKO, EXPECTED_HASH_SHIRKNEKO}, // ShirkNeko/SukiSU
{EXPECTED_SIZE_OTHER, EXPECTED_HASH_OTHER}, // Dynamic Sign
#ifdef EXPECTED_SIZE
{EXPECTED_SIZE, EXPECTED_HASH}, // Custom
#endif
};
static struct sdesc *init_sdesc(struct crypto_shash *alg)
@@ -620,7 +622,7 @@ static int verify_signature_block(struct file *fp, u32 *size4, loff_t *pos, u32
for (i = 0; i < ARRAY_SIZE(apk_sign_keys); i++) {
sign_key = apk_sign_keys[i];
if (i == 2) {
if (i == 1) { // Dynamic Sign indexing
unsigned long flags;
spin_lock_irqsave(&dynamic_sign_lock, flags);
if (dynamic_sign.is_set) {
@@ -796,8 +798,8 @@ clean:
}
if (check_multi_manager) {
// 1: ShirkNeko/SukiSU, 2: Dynamic Sign
if (matched_index == 1 || matched_index == 2) {
// 0: ShirkNeko/SukiSU, 1: Dynamic Sign
if (matched_index == 0 || matched_index == 1) {
pr_info("Multi-manager APK detected (dynamic_sign enabled): signature_index=%d\n", matched_index);
return 1;
}