summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorGravatar Martin Szulecki2014-12-25 15:45:06 +0100
committerGravatar Martin Szulecki2015-01-12 18:08:27 +0100
commit48cb70eda460869983a1e47fad34498bae04a79e (patch)
tree3b53fe187f486c2a94d5c19611da9feb4bd1fad5 /src
parent3afdda798f446dc890b376dd54b0a8deb5bea18a (diff)
downloadlibimobiledevice-48cb70eda460869983a1e47fad34498bae04a79e.tar.gz
libimobiledevice-48cb70eda460869983a1e47fad34498bae04a79e.tar.bz2
lockdown: Refactor internal error checking and add more native errors to enum
Diffstat (limited to 'src')
-rw-r--r--src/lockdown.c205
1 files changed, 123 insertions, 82 deletions
diff --git a/src/lockdown.c b/src/lockdown.c
index 29dde02..12cefa5 100644
--- a/src/lockdown.c
+++ b/src/lockdown.c
@@ -2,7 +2,7 @@
* lockdown.c
* com.apple.mobile.lockdownd service implementation.
*
- * Copyright (c) 2014 Martin Szulecki All Rights Reserved.
+ * Copyright (c) 2009-2015 Martin Szulecki All Rights Reserved.
* Copyright (c) 2014 Nikias Bassen. All Rights Reserved.
* Copyright (c) 2010 Bryan Forbes All Rights Reserved.
* Copyright (c) 2008 Zach C. All Rights Reserved.
@@ -57,8 +57,75 @@
#define sleep(x) Sleep(x*1000)
#endif
-#define RESULT_SUCCESS 0
-#define RESULT_FAILURE 1
+/**
+ * Convert an error string identifier to a lockdownd_error_t value.
+ * Used internally to get correct error codes from a response.
+ *
+ * @param name The error name to convert.
+ *
+ * @return A matching lockdownd_error_t error code,
+ * LOCKDOWN_E_UNKNOWN_ERROR otherwise.
+ */
+static lockdownd_error_t lockdownd_strtoerr(const char* name)
+{
+ lockdownd_error_t err = LOCKDOWN_E_UNKNOWN_ERROR;
+
+ if (strcmp(name, "InvalidResponse") == 0) {
+ err = LOCKDOWN_E_INVALID_RESPONSE;
+ } else if (strcmp(name, "MissingKey") == 0) {
+ err = LOCKDOWN_E_MISSING_KEY;
+ } else if (strcmp(name, "MissingValue") == 0) {
+ err = LOCKDOWN_E_MISSING_VALUE;
+ } else if (strcmp(name, "GetProhibited") == 0) {
+ err = LOCKDOWN_E_GET_PROHIBITED;
+ } else if (strcmp(name, "SetProhibited") == 0) {
+ err = LOCKDOWN_E_SET_PROHIBITED;
+ } else if (strcmp(name, "RemoveProhibited") == 0) {
+ err = LOCKDOWN_E_REMOVE_PROHIBITED;
+ } else if (strcmp(name, "ImmutableValue") == 0) {
+ err = LOCKDOWN_E_IMMUTABLE_VALUE;
+ } else if (strcmp(name, "PasswordProtected") == 0) {
+ err = LOCKDOWN_E_PASSWORD_PROTECTED;
+ } else if (strcmp(name, "UserDeniedPairing") == 0) {
+ err = LOCKDOWN_E_USER_DENIED_PAIRING;
+ } else if (strcmp(name, "PairingDialogResponsePending") == 0) {
+ err = LOCKDOWN_E_PAIRING_DIALOG_RESPONSE_PENDING;
+ } else if (strcmp(name, "MissingHostID") == 0) {
+ err = LOCKDOWN_E_MISSING_HOST_ID;
+ } else if (strcmp(name, "InvalidHostID") == 0) {
+ err = LOCKDOWN_E_INVALID_HOST_ID;
+ } else if (strcmp(name, "SessionActive") == 0) {
+ err = LOCKDOWN_E_SESSION_ACTIVE;
+ } else if (strcmp(name, "SessionInactive") == 0) {
+ err = LOCKDOWN_E_SESSION_INACTIVE;
+ } else if (strcmp(name, "MissingSessionID") == 0) {
+ err = LOCKDOWN_E_MISSING_SESSION_ID;
+ } else if (strcmp(name, "InvalidSessionID") == 0) {
+ err = LOCKDOWN_E_INVALID_SESSION_ID;
+ } else if (strcmp(name, "MissingService") == 0) {
+ err = LOCKDOWN_E_MISSING_SERVICE;
+ } else if (strcmp(name, "InvalidService") == 0) {
+ err = LOCKDOWN_E_INVALID_SERVICE;
+ } else if (strcmp(name, "ServiceLimit") == 0) {
+ err = LOCKDOWN_E_SERVICE_LIMIT;
+ } else if (strcmp(name, "MissingPairRecord") == 0) {
+ err = LOCKDOWN_E_MISSING_PAIR_RECORD;
+ } else if (strcmp(name, "SavePairRecordFailed") == 0) {
+ err = LOCKDOWN_E_SAVE_PAIR_RECORD_FAILED;
+ } else if (strcmp(name, "InvalidPairRecord") == 0) {
+ err = LOCKDOWN_E_INVALID_PAIR_RECORD;
+ } else if (strcmp(name, "InvalidActivationRecord") == 0) {
+ err = LOCKDOWN_E_INVALID_ACTIVATION_RECORD;
+ } else if (strcmp(name, "MissingActivationRecord") == 0) {
+ err = LOCKDOWN_E_MISSING_ACTIVATION_RECORD;
+ } else if (strcmp(name, "ServiceProhibited") == 0) {
+ err = LOCKDOWN_E_SERVICE_PROHIBITED;
+ } else if (strcmp(name, "EscrowLocked") == 0) {
+ err = LOCKDOWN_E_ESCROW_LOCKED;
+ }
+
+ return err;
+}
/**
* Internally used function for checking the result from lockdown's answer
@@ -68,30 +135,34 @@
* @param query_match Name of the request to match or NULL if no match is
* required.
*
- * @return RESULT_SUCCESS when the result is 'Success',
- * RESULT_FAILURE when the result is 'Failure',
- * or a negative value if an error occured during evaluation.
+ * @return LOCKDOWN_E_SUCCESS when the result is 'Success',
+ * LOCKDOWN_E_UNKNOWN_ERROR when the result is 'Failure',
+ * or a specific error code if derieved from the result.
*/
-static int lockdown_check_result(plist_t dict, const char *query_match)
+static lockdownd_error_t lockdown_check_result(plist_t dict, const char *query_match)
{
- int ret = -1;
+ lockdownd_error_t ret = LOCKDOWN_E_UNKNOWN_ERROR;
plist_t query_node = plist_dict_get_item(dict, "Request");
if (!query_node) {
return ret;
}
+
if (plist_get_node_type(query_node) != PLIST_STRING) {
return ret;
} else {
char *query_value = NULL;
+
plist_get_string_val(query_node, &query_value);
if (!query_value) {
return ret;
}
+
if (query_match && (strcmp(query_value, query_match) != 0)) {
free(query_value);
return ret;
}
+
free(query_value);
}
@@ -103,39 +174,43 @@ static int lockdown_check_result(plist_t dict, const char *query_match)
if (err_node) {
if (plist_get_node_type(err_node) == PLIST_STRING) {
char *err_value = NULL;
+
plist_get_string_val(err_node, &err_value);
if (err_value) {
debug_info("ERROR: %s", err_value);
+ ret = lockdownd_strtoerr(err_value);
free(err_value);
} else {
debug_info("ERROR: unknown error occured");
}
}
- return RESULT_FAILURE;
+ return ret;
}
- return RESULT_SUCCESS;
+
+ ret = LOCKDOWN_E_SUCCESS;
+
+ return ret;
}
plist_type result_type = plist_get_node_type(result_node);
-
if (result_type == PLIST_STRING) {
-
char *result_value = NULL;
plist_get_string_val(result_node, &result_value);
-
if (result_value) {
if (!strcmp(result_value, "Success")) {
- ret = RESULT_SUCCESS;
+ ret = LOCKDOWN_E_SUCCESS;
} else if (!strcmp(result_value, "Failure")) {
- ret = RESULT_FAILURE;
+ ret = LOCKDOWN_E_UNKNOWN_ERROR;
} else {
debug_info("ERROR: unknown result value '%s'", result_value);
}
}
+
if (result_value)
free(result_value);
}
+
return ret;
}
@@ -185,10 +260,9 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_stop_session(lockdownd_client_t
return LOCKDOWN_E_PLIST_ERROR;
}
- ret = LOCKDOWN_E_UNKNOWN_ERROR;
- if (lockdown_check_result(dict, "StopSession") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "StopSession");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
}
plist_free(dict);
@@ -374,12 +448,11 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_get_value(lockdownd_client_t cl
if (ret != LOCKDOWN_E_SUCCESS)
return ret;
- if (lockdown_check_result(dict, "GetValue") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "GetValue");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
- } else {
- ret = LOCKDOWN_E_UNKNOWN_ERROR;
}
+
if (ret != LOCKDOWN_E_SUCCESS) {
plist_free(dict);
return ret;
@@ -430,9 +503,9 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_set_value(lockdownd_client_t cl
if (ret != LOCKDOWN_E_SUCCESS)
return ret;
- if (lockdown_check_result(dict, "SetValue") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "SetValue");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
}
if (ret != LOCKDOWN_E_SUCCESS) {
@@ -477,9 +550,9 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_remove_value(lockdownd_client_t
if (ret != LOCKDOWN_E_SUCCESS)
return ret;
- if (lockdown_check_result(dict, "RemoveValue") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "RemoveValue");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
}
if (ret != LOCKDOWN_E_SUCCESS) {
@@ -641,7 +714,7 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_client_new_with_handshake(idevi
ret = lockdownd_pair(client_loc, NULL);
if (LOCKDOWN_E_SUCCESS == ret) {
ret = lockdownd_validate_pair(client_loc, NULL);
- } else if (LOCKDOWN_E_PAIRING_DIALOG_PENDING == ret) {
+ } else if (LOCKDOWN_E_PAIRING_DIALOG_RESPONSE_PENDING == ret) {
debug_info("Device shows the pairing dialog.");
}
}
@@ -762,7 +835,7 @@ leave:
/**
* Function used internally by lockdownd_pair() and lockdownd_validate_pair()
*
- * @param client The lockdown client to pair with.
+ * @param client The lockdown client
* @param pair_record The pair record to use for pairing. If NULL is passed, then
* the pair records from the current machine are used. New records will be
* generated automatically when pairing is done for the first time.
@@ -863,11 +936,11 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_
if (strcmp(verb, "Unpair") == 0) {
/* workaround for Unpair giving back ValidatePair,
* seems to be a bug in the device's fw */
- if (lockdown_check_result(dict, NULL) != RESULT_SUCCESS) {
+ if (lockdown_check_result(dict, NULL) != LOCKDOWN_E_SUCCESS) {
ret = LOCKDOWN_E_PAIRING_FAILED;
}
} else {
- if (lockdown_check_result(dict, verb) != RESULT_SUCCESS) {
+ if (lockdown_check_result(dict, verb) != LOCKDOWN_E_SUCCESS) {
ret = LOCKDOWN_E_PAIRING_FAILED;
}
}
@@ -915,15 +988,7 @@ static lockdownd_error_t lockdownd_do_pair(lockdownd_client_t client, lockdownd_
plist_get_string_val(error_node, &value);
if (value) {
/* the first pairing fails if the device is password protected */
- if (!strcmp(value, "PasswordProtected")) {
- ret = LOCKDOWN_E_PASSWORD_PROTECTED;
- } else if (!strcmp(value, "InvalidHostID")) {
- ret = LOCKDOWN_E_INVALID_HOST_ID;
- } else if (!strcmp(value, "UserDeniedPairing")) {
- ret = LOCKDOWN_E_USER_DENIED_PAIRING;
- } else if (!strcmp(value, "PairingDialogResponsePending")) {
- ret = LOCKDOWN_E_PAIRING_DIALOG_PENDING;
- }
+ ret = lockdownd_strtoerr(value);
free(value);
}
@@ -982,12 +1047,14 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_enter_recovery(lockdownd_client
ret = lockdownd_receive(client, &dict);
- if (lockdown_check_result(dict, "EnterRecovery") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "EnterRecovery");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
}
+
plist_free(dict);
dict = NULL;
+
return ret;
}
@@ -1014,10 +1081,11 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_goodbye(lockdownd_client_t clie
return LOCKDOWN_E_PLIST_ERROR;
}
- if (lockdown_check_result(dict, "Goodbye") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "Goodbye");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
}
+
plist_free(dict);
dict = NULL;
@@ -1071,17 +1139,8 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_start_session(lockdownd_client_
if (!dict)
return LOCKDOWN_E_PLIST_ERROR;
- if (lockdown_check_result(dict, "StartSession") == RESULT_FAILURE) {
- plist_t error_node = plist_dict_get_item(dict, "Error");
- if (error_node && PLIST_STRING == plist_get_node_type(error_node)) {
- char *error = NULL;
- plist_get_string_val(error_node, &error);
- if (!strcmp(error, "InvalidHostID")) {
- ret = LOCKDOWN_E_INVALID_HOST_ID;
- }
- free(error);
- }
- } else {
+ ret = lockdown_check_result(dict, "StartSession");
+ if (ret == LOCKDOWN_E_SUCCESS) {
uint8_t use_ssl = 0;
plist_t enable_ssl = plist_dict_get_item(dict, "EnableSessionSSL");
@@ -1230,8 +1289,8 @@ static lockdownd_error_t lockdownd_do_start_service(lockdownd_client_t client, c
if (!dict)
return LOCKDOWN_E_PLIST_ERROR;
- ret = LOCKDOWN_E_UNKNOWN_ERROR;
- if (lockdown_check_result(dict, "StartService") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "StartService");
+ if (ret == LOCKDOWN_E_SUCCESS) {
if (*service == NULL)
*service = (lockdownd_service_descriptor_t)malloc(sizeof(struct lockdownd_service_descriptor));
(*service)->port = 0;
@@ -1260,24 +1319,18 @@ static lockdownd_error_t lockdownd_do_start_service(lockdownd_client_t client, c
(*service)->ssl_enabled = b;
}
} else {
- ret = LOCKDOWN_E_START_SERVICE_FAILED;
plist_t error_node = plist_dict_get_item(dict, "Error");
if (error_node && PLIST_STRING == plist_get_node_type(error_node)) {
char *error = NULL;
plist_get_string_val(error_node, &error);
- if (!strcmp(error, "InvalidService")) {
- ret = LOCKDOWN_E_INVALID_SERVICE;
- } else if (!strcmp(error, "ServiceLimit")) {
- ret = LOCKDOWN_E_SERVICE_LIMIT;
- } else if (!strcmp(error, "NoRunningSession")) {
- ret = LOCKDOWN_E_NO_RUNNING_SESSION;
- }
+ ret = lockdownd_strtoerr(error);
free(error);
}
}
plist_free(dict);
dict = NULL;
+
return ret;
}
@@ -1319,23 +1372,11 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_activate(lockdownd_client_t cli
return LOCKDOWN_E_PLIST_ERROR;
}
- ret = LOCKDOWN_E_ACTIVATION_FAILED;
- if (lockdown_check_result(dict, "Activate") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "Activate");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
-
- } else {
- plist_t error_node = plist_dict_get_item(dict, "Error");
- if (error_node && PLIST_STRING == plist_get_node_type(error_node)) {
- char *error = NULL;
- plist_get_string_val(error_node, &error);
- if (!strcmp(error, "InvalidActivationRecord")) {
- ret = LOCKDOWN_E_INVALID_ACTIVATION_RECORD;
- }
- free(error);
- }
}
-
+
plist_free(dict);
dict = NULL;
@@ -1366,11 +1407,11 @@ LIBIMOBILEDEVICE_API lockdownd_error_t lockdownd_deactivate(lockdownd_client_t c
return LOCKDOWN_E_PLIST_ERROR;
}
- ret = LOCKDOWN_E_UNKNOWN_ERROR;
- if (lockdown_check_result(dict, "Deactivate") == RESULT_SUCCESS) {
+ ret = lockdown_check_result(dict, "Deactivate");
+ if (ret == LOCKDOWN_E_SUCCESS) {
debug_info("success");
- ret = LOCKDOWN_E_SUCCESS;
}
+
plist_free(dict);
dict = NULL;