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authorGravatar Nikias Bassen2019-09-27 20:44:03 +0200
committerGravatar Nikias Bassen2019-09-27 20:44:03 +0200
commit92d95d0b8f1870d7cc9eb809a993b04b0e733205 (patch)
treefa8c3015b42d4ca8d83c9231d4b48c047d6a84d2
parent1faa16c912dd5eb4e9305b25b13407de195ad103 (diff)
downloadlibimobiledevice-92d95d0b8f1870d7cc9eb809a993b04b0e733205.tar.gz
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mobile_image_mounter: Better error handling (e.g. when device is locked)
-rw-r--r--include/libimobiledevice/mobile_image_mounter.h1
-rw-r--r--src/mobile_image_mounter.c77
-rw-r--r--tools/ideviceimagemounter.c13
3 files changed, 53 insertions, 38 deletions
diff --git a/include/libimobiledevice/mobile_image_mounter.h b/include/libimobiledevice/mobile_image_mounter.h
index 8d783c4..e185ad5 100644
--- a/include/libimobiledevice/mobile_image_mounter.h
+++ b/include/libimobiledevice/mobile_image_mounter.h
@@ -40,6 +40,7 @@ typedef enum {
MOBILE_IMAGE_MOUNTER_E_PLIST_ERROR = -2,
MOBILE_IMAGE_MOUNTER_E_CONN_FAILED = -3,
MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED = -4,
+ MOBILE_IMAGE_MOUNTER_E_DEVICE_LOCKED = -5,
MOBILE_IMAGE_MOUNTER_E_UNKNOWN_ERROR = -256
} mobile_image_mounter_error_t;
diff --git a/src/mobile_image_mounter.c b/src/mobile_image_mounter.c
index c8c4c6f..bbebbb4 100644
--- a/src/mobile_image_mounter.c
+++ b/src/mobile_image_mounter.c
@@ -2,7 +2,7 @@
* mobile_image_mounter.c
* com.apple.mobile.mobile_image_mounter service implementation.
*
- * Copyright (c) 2010 Nikias Bassen, All Rights Reserved.
+ * Copyright (c) 2010-2019 Nikias Bassen, All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -141,6 +141,43 @@ leave_unlock:
return res;
}
+static mobile_image_mounter_error_t process_result(plist_t result, const char *expected_status)
+{
+ mobile_image_mounter_error_t res = MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED;
+ char* strval = NULL;
+ plist_t node;
+
+ node = plist_dict_get_item(result, "Error");
+ if (node && plist_get_node_type(node) == PLIST_STRING) {
+ plist_get_string_val(node, &strval);
+ }
+ if (strval) {
+ if (!strcmp(strval, "DeviceLocked")) {
+ debug_info("Device is locked, can't mount");
+ res = MOBILE_IMAGE_MOUNTER_E_DEVICE_LOCKED;
+ } else {
+ debug_info("Unhandled error '%s' received", strval);
+ }
+ free(strval);
+ return res;
+ }
+
+ node = plist_dict_get_item(result, "Status");
+ if (node && plist_get_node_type(node) == PLIST_STRING) {
+ plist_get_string_val(node, &strval);
+ }
+ if (!strval) {
+ debug_info("Error: Unexpected response received!");
+ } else if (strcmp(strval, expected_status) == 0) {
+ res = MOBILE_IMAGE_MOUNTER_E_SUCCESS;
+ } else {
+ debug_info("Error: didn't get %s but %s", expected_status, strval);
+ }
+ free(strval);
+
+ return res;
+}
+
LIBIMOBILEDEVICE_API mobile_image_mounter_error_t mobile_image_mounter_upload_image(mobile_image_mounter_client_t client, const char *image_type, size_t image_size, const char *signature, uint16_t signature_size, mobile_image_mounter_upload_cb_t upload_cb, void* userdata)
{
if (!client || !image_type || (image_size == 0) || !upload_cb) {
@@ -169,23 +206,10 @@ LIBIMOBILEDEVICE_API mobile_image_mounter_error_t mobile_image_mounter_upload_im
debug_info("Error receiving response from device!");
goto leave_unlock;
}
- res = MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED;
-
- char* strval = NULL;
- plist_t node = plist_dict_get_item(result, "Status");
- if (node && plist_get_node_type(node) == PLIST_STRING) {
- plist_get_string_val(node, &strval);
- }
- if (!strval) {
- debug_info("Error: Unexpected response received!");
- goto leave_unlock;
- }
- if (strcmp(strval, "ReceiveBytesAck") != 0) {
- debug_info("Error: didn't get ReceiveBytesAck but %s", strval);
- free(strval);
+ res = process_result(result, "ReceiveBytesAck");
+ if (res != MOBILE_IMAGE_MOUNTER_E_SUCCESS) {
goto leave_unlock;
}
- free(strval);
size_t tx = 0;
size_t bufsize = 65536;
@@ -223,26 +247,7 @@ LIBIMOBILEDEVICE_API mobile_image_mounter_error_t mobile_image_mounter_upload_im
debug_info("Error receiving response from device!");
goto leave_unlock;
}
- res = MOBILE_IMAGE_MOUNTER_E_COMMAND_FAILED;
-
- strval = NULL;
- node = plist_dict_get_item(result, "Status");
- if (node && plist_get_node_type(node) == PLIST_STRING) {
- plist_get_string_val(node, &strval);
- }
- if (!strval) {
- debug_info("Error: Unexpected response received!");
- goto leave_unlock;
- }
- if (strcmp(strval, "Complete") != 0) {
- debug_info("Error: didn't get Complete but %s", strval);
- free(strval);
- goto leave_unlock;
- } else {
- res = MOBILE_IMAGE_MOUNTER_E_SUCCESS;
- }
- free(strval);
-
+ res = process_result(result, "Complete");
leave_unlock:
mobile_image_mounter_unlock(client);
diff --git a/tools/ideviceimagemounter.c b/tools/ideviceimagemounter.c
index 7101c7e..93cab09 100644
--- a/tools/ideviceimagemounter.c
+++ b/tools/ideviceimagemounter.c
@@ -248,7 +248,7 @@ int main(int argc, char **argv)
lockdownd_client_free(lckd);
lckd = NULL;
- mobile_image_mounter_error_t err;
+ mobile_image_mounter_error_t err = MOBILE_IMAGE_MOUNTER_E_UNKNOWN_ERROR;
plist_t result = NULL;
if (list_mode) {
@@ -344,7 +344,7 @@ int main(int argc, char **argv)
uint32_t written, total = 0;
while (total < amount) {
written = 0;
- if (afc_file_write(afc, af, buf, amount, &written) !=
+ if (afc_file_write(afc, af, buf + total, amount - total, &written) !=
AFC_E_SUCCESS) {
fprintf(stderr, "AFC Write error!\n");
break;
@@ -368,6 +368,14 @@ int main(int argc, char **argv)
fclose(f);
+ if (err != MOBILE_IMAGE_MOUNTER_E_SUCCESS) {
+ if (err == MOBILE_IMAGE_MOUNTER_E_DEVICE_LOCKED) {
+ printf("ERROR: Device is locked, can't mount. Unlock device and try again.\n");
+ } else {
+ printf("ERROR: Unknown error occurred, can't mount.\n");
+ }
+ goto error_out;
+ }
printf("done.\n");
printf("Mounting...\n");
@@ -435,6 +443,7 @@ int main(int argc, char **argv)
plist_free(result);
}
+error_out:
/* perform hangup command */
mobile_image_mounter_hangup(mim);
/* free client */