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-rw-r--r--src/common.h8
-rw-r--r--src/dfu.c17
-rw-r--r--src/dfu.h1
-rw-r--r--src/idevicerestore.c24
-rw-r--r--src/idevicerestore.h1
-rw-r--r--src/normal.c45
-rw-r--r--src/normal.h1
-rw-r--r--src/recovery.c16
-rw-r--r--src/recovery.h1
9 files changed, 113 insertions, 1 deletions
diff --git a/src/common.h b/src/common.h
index a634e6f..2ea4a91 100644
--- a/src/common.h
+++ b/src/common.h
@@ -42,6 +42,13 @@ extern "C" {
#define FLAG_QUIT 1
+#define CPFM_FLAG_SECURITY_MODE 1 << 0
+#define CPFM_FLAG_PRODUCTION_MODE 1 << 1
+
+#define IBOOT_FLAG_IMAGE4_AWARE 1 << 2
+#define IBOOT_FLAG_EFFECTIVE_SECURITY_MODE 1 << 3
+#define IBOOT_FLAG_EFFECTIVE_PRODUCTION_MODE 1 << 4
+
struct dfu_client_t;
struct normal_client_t;
struct restore_client_t;
@@ -70,6 +77,7 @@ struct idevicerestore_client_t {
uint64_t ecid;
unsigned char* nonce;
int nonce_size;
+ int image4supported;
char* udid;
char* srnm;
char* ipsw;
diff --git a/src/dfu.c b/src/dfu.c
index df9379e..37fa2d4 100644
--- a/src/dfu.c
+++ b/src/dfu.c
@@ -241,6 +241,22 @@ int dfu_get_cpid(struct idevicerestore_client_t* client, unsigned int* cpid) {
return 0;
}
+int dfu_is_image4_supported(struct idevicerestore_client_t* client)
+{
+ if(client->dfu == NULL) {
+ if (dfu_client_new(client) < 0) {
+ return 0;
+ }
+ }
+
+ const struct irecv_device_info *device_info = irecv_get_device_info(client->dfu->client);
+ if (!device_info) {
+ return 0;
+ }
+
+ return (device_info->ibfl & IBOOT_FLAG_IMAGE4_AWARE);
+}
+
int dfu_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size) {
irecv_error_t dfu_error = IRECV_E_SUCCESS;
@@ -250,7 +266,6 @@ int dfu_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** non
}
}
-
const struct irecv_device_info *device_info = irecv_get_device_info(client->dfu->client);
if (!device_info) {
return -1;
diff --git a/src/dfu.h b/src/dfu.h
index 36badb2..427754a 100644
--- a/src/dfu.h
+++ b/src/dfu.h
@@ -44,6 +44,7 @@ const char* dfu_check_product_type(struct idevicerestore_client_t* client);
int dfu_send_buffer(struct idevicerestore_client_t* client, unsigned char* buffer, unsigned int size);
int dfu_send_component(struct idevicerestore_client_t* client, plist_t build_identity, const char* component);
int dfu_get_cpid(struct idevicerestore_client_t* client, unsigned int* cpid);
+int dfu_is_image4_supported(struct idevicerestore_client_t* client);
int dfu_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
int dfu_get_sep_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
int dfu_enter_recovery(struct idevicerestore_client_t* client, plist_t build_identity);
diff --git a/src/idevicerestore.c b/src/idevicerestore.c
index e9580bd..a0f5a87 100644
--- a/src/idevicerestore.c
+++ b/src/idevicerestore.c
@@ -365,6 +365,9 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
info("Product Version: %s\n", client->version);
info("Product Build: %s Major: %d\n", client->build, client->build_major);
+ client->image4supported = is_image4_supported(client);
+ info("Device supports Image4: %s\n", (client->image4supported) ? "true" : "false");
+
if (client->flags & FLAG_CUSTOM) {
/* prevent signing custom firmware */
tss_enabled = 0;
@@ -1182,6 +1185,27 @@ const char* check_product_type(struct idevicerestore_client_t* client) {
return product_type;
}
+int is_image4_supported(struct idevicerestore_client_t* client)
+{
+ int res = 0;
+
+ switch (client->mode->index) {
+ case MODE_NORMAL:
+ res = normal_is_image4_supported(client);
+ break;
+ case MODE_DFU:
+ res = dfu_is_image4_supported(client);
+ break;
+ case MODE_RECOVERY:
+ res = recovery_is_image4_supported(client);
+ break;
+ default:
+ error("ERROR: Device is in an invalid state\n");
+ return 0;
+ }
+ return res;
+}
+
int get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid) {
switch (client->mode->index) {
case MODE_NORMAL:
diff --git a/src/idevicerestore.h b/src/idevicerestore.h
index c7ac7f9..f646d4a 100644
--- a/src/idevicerestore.h
+++ b/src/idevicerestore.h
@@ -75,6 +75,7 @@ void usage(int argc, char* argv[]);
int check_mode(struct idevicerestore_client_t* client);
const char* check_product_type(struct idevicerestore_client_t* client);
int get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid);
+int is_image4_supported(struct idevicerestore_client_t* client);
int get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
int get_shsh_blobs(struct idevicerestore_client_t* client, plist_t build_identity, plist_t* tss);
void fixup_tss(plist_t tss);
diff --git a/src/normal.c b/src/normal.c
index 15bbc01..3b536ed 100644
--- a/src/normal.c
+++ b/src/normal.c
@@ -391,6 +391,51 @@ int normal_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char**
return normal_get_nonce_by_key(client, "SEPNonce", nonce, nonce_size);
}
+int normal_is_image4_supported(struct idevicerestore_client_t* client)
+{
+ idevice_t device = NULL;
+ plist_t node = NULL;
+ lockdownd_client_t lockdown = NULL;
+ idevice_error_t device_error = IDEVICE_E_SUCCESS;
+ lockdownd_error_t lockdown_error = IDEVICE_E_SUCCESS;
+
+ device_error = idevice_new(&device, client->udid);
+ if (device_error != IDEVICE_E_SUCCESS) {
+ return 0;
+ }
+
+ lockdown_error = lockdownd_client_new(device, &lockdown, "idevicerestore");
+ if (lockdown_error != LOCKDOWN_E_SUCCESS) {
+ error("ERROR: Unable to connect to lockdownd\n");
+ idevice_free(device);
+ return 0;
+ }
+
+ lockdown_error = lockdownd_get_value(lockdown, NULL, "Image4Supported", &node);
+ if (lockdown_error != LOCKDOWN_E_SUCCESS) {
+ lockdownd_client_free(lockdown);
+ idevice_free(device);
+ return 0;
+ }
+
+ if (!node || plist_get_node_type(node) != PLIST_BOOLEAN) {
+ lockdownd_client_free(lockdown);
+ idevice_free(device);
+ return 0;
+ }
+
+ uint8_t bval = 0;
+ plist_get_bool_val(node, &bval);
+ plist_free(node);
+
+ lockdownd_client_free(lockdown);
+ idevice_free(device);
+ lockdown = NULL;
+ device = NULL;
+
+ return bval;
+}
+
int normal_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid) {
idevice_t device = NULL;
plist_t unique_chip_node = NULL;
diff --git a/src/normal.h b/src/normal.h
index 892747a..abc4fe1 100644
--- a/src/normal.h
+++ b/src/normal.h
@@ -47,6 +47,7 @@ void normal_client_free(struct idevicerestore_client_t* client);
int normal_open_with_timeout(struct idevicerestore_client_t* client);
int normal_enter_recovery(struct idevicerestore_client_t* client);
int normal_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid);
+int normal_is_image4_supported(struct idevicerestore_client_t* client);
int normal_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
int normal_get_sep_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
diff --git a/src/recovery.c b/src/recovery.c
index f2104b7..9221dda 100644
--- a/src/recovery.c
+++ b/src/recovery.c
@@ -461,6 +461,22 @@ int recovery_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid) {
return 0;
}
+int recovery_is_image4_supported(struct idevicerestore_client_t* client)
+{
+ if(client->recovery == NULL) {
+ if (recovery_client_new(client) < 0) {
+ return 0;
+ }
+ }
+
+ const struct irecv_device_info *device_info = irecv_get_device_info(client->recovery->client);
+ if (!device_info) {
+ return 0;
+ }
+
+ return (device_info->ibfl & IBOOT_FLAG_IMAGE4_AWARE);
+}
+
int recovery_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size) {
irecv_error_t recovery_error = IRECV_E_SUCCESS;
diff --git a/src/recovery.h b/src/recovery.h
index 8deb438..7da2432 100644
--- a/src/recovery.h
+++ b/src/recovery.h
@@ -54,6 +54,7 @@ int recovery_send_reset(struct idevicerestore_client_t* client);
int recovery_send_ticket(struct idevicerestore_client_t* client);
int recovery_set_autoboot(struct idevicerestore_client_t* client, int enable);
int recovery_get_ecid(struct idevicerestore_client_t* client, uint64_t* ecid);
+int recovery_is_image4_supported(struct idevicerestore_client_t* client);
int recovery_get_ap_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
int recovery_get_sep_nonce(struct idevicerestore_client_t* client, unsigned char** nonce, int* nonce_size);
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