Added com.apple.misagent service protocol implementation

1 files changed, 306 insertions, 0 deletions

diff --git a/src/misagent.c b/src/misagent.c
new file mode 100644
index 0000000..45f1391
--- /dev/null
+++ b/src/misagent.c
@@ -0,0 +1,306 @@
+/*
+ * misagent.c
+ * com.apple.misagent service implementation.
+ *
+ * Copyright (c) 2012 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
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <plist/plist.h>
+#include <stdio.h>
+
+#include "misagent.h"
+#include "property_list_service.h"
+#include "debug.h"
+
+/**
+ * Convert a property_list_service_error_t value to a misagent_error_t
+ * value. Used internally to get correct error codes.
+ *
+ * @param err A property_list_service_error_t error code
+ *
+ * @return A matching misagent_error_t error code,
+ *     MISAGENT_E_UNKNOWN_ERROR otherwise.
+ */
+static misagent_error_t misagent_error(property_list_service_error_t err)
+{
+       switch (err) {
+                case PROPERTY_LIST_SERVICE_E_SUCCESS:
+                        return MISAGENT_E_SUCCESS;
+                case PROPERTY_LIST_SERVICE_E_INVALID_ARG:
+                        return MISAGENT_E_INVALID_ARG;
+                case PROPERTY_LIST_SERVICE_E_PLIST_ERROR:
+                        return MISAGENT_E_PLIST_ERROR;
+                case PROPERTY_LIST_SERVICE_E_MUX_ERROR:
+                        return MISAGENT_E_CONN_FAILED;
+                default:
+                        break;
+        }
+        return MISAGENT_E_UNKNOWN_ERROR;
+}
+
+/**
+ * Checks the response from misagent to determine if the operation
+ * was successful or an error occured. Internally used only.
+ *
+ * @param response a PLIST_DICT received from device's misagent
+ * @param status_code pointer to an int that will be set to the status code
+ *   contained in the response
+ */
+static misagent_error_t misagent_check_result(plist_t response, int* status_code)
+{
+	if (plist_get_node_type(response) != PLIST_DICT) {
+		return MISAGENT_E_PLIST_ERROR;
+	}
+
+	plist_t node = plist_dict_get_item(response, "Status");
+	if (!node || (plist_get_node_type(node) != PLIST_UINT)) {
+		return MISAGENT_E_PLIST_ERROR;
+	}
+
+	uint64_t val = -1LL;
+	plist_get_uint_val(node, &val);
+	if ((int64_t)val == -1LL) {
+		return MISAGENT_E_PLIST_ERROR;
+	}
+	*status_code = (int)(val & 0xFFFFFFFF);
+	if (*status_code == 0) {
+		return MISAGENT_E_SUCCESS;
+	} else {
+		return MISAGENT_E_REQUEST_FAILED;
+	}
+}
+
+/**
+ * Connects to the misagent service on the specified device.
+ *
+ * @param device The device to connect to.
+ * @param port Destination port (usually given by lockdownd_start_service).
+ * @param client Pointer that will point to a newly allocated
+ *     misagent_client_t upon successful return.
+ *
+ * @return MISAGENT_E_SUCCESS on success, MISAGENT_E_INVALID_ARG when
+ *     client is NULL, or an MISAGENT_E_* error code otherwise.
+ */
+misagent_error_t misagent_client_new(idevice_t device, uint16_t port, misagent_client_t *client)
+{
+	if (!device)
+		return MISAGENT_E_INVALID_ARG;
+
+	property_list_service_client_t plistclient = NULL;
+	misagent_error_t err = misagent_error(property_list_service_client_new(device, port, &plistclient));
+	if (err != MISAGENT_E_SUCCESS) {
+		return err;
+	}
+
+	misagent_client_t client_loc = (misagent_client_t) malloc(sizeof(struct misagent_client_private));
+	client_loc->parent = plistclient;
+	client_loc->last_error = 0;
+
+	*client = client_loc;
+	return MISAGENT_E_SUCCESS;
+}
+
+/**
+ * Disconnects an misagent client from the device and frees up the
+ * misagent client data.
+ *
+ * @param client The misagent client to disconnect and free.
+ *
+ * @return MISAGENT_E_SUCCESS on success, MISAGENT_E_INVALID_ARG when
+ *     client is NULL, or an MISAGENT_E_* error code otherwise.
+ */
+misagent_error_t misagent_client_free(misagent_client_t client)
+{
+	if (!client)
+		return MISAGENT_E_INVALID_ARG;
+
+	misagent_error_t err = MISAGENT_E_SUCCESS;
+	if (client->parent && client->parent->connection) {
+		misagent_error(property_list_service_client_free(client->parent));
+	}
+	client->parent = NULL;
+	free(client);
+
+	return err;
+}
+
+/**
+ * Installs the given provisioning profile. Only works with valid profiles.
+ *
+ * @param client The connected misagent to use for installation
+ * @param profile The valid provisioning profile to install. This has to be
+ *    passed as a PLIST_DATA, otherwise the function will fail.
+ *
+ * @return MISAGENT_E_SUCCESS on success, MISAGENT_E_INVALID_ARG when
+ *     client is invalid, or an MISAGENT_E_* error code otherwise.
+ */
+misagent_error_t misagent_install(misagent_client_t client, plist_t profile)
+{
+	if (!client || !client->parent || !profile || (plist_get_node_type(profile) != PLIST_DATA))
+                return MISAGENT_E_INVALID_ARG;
+
+	client->last_error = MISAGENT_E_UNKNOWN_ERROR;
+
+	plist_t dict = plist_new_dict();
+	plist_dict_insert_item(dict, "MessageType", plist_new_string("Install"));
+	plist_dict_insert_item(dict, "Profile", plist_copy(profile));
+	plist_dict_insert_item(dict, "ProfileType", plist_new_string("Provisioning"));
+
+	misagent_error_t res = misagent_error(property_list_service_send_xml_plist(client->parent, dict));
+	plist_free(dict);
+	dict = NULL;
+
+        if (res != MISAGENT_E_SUCCESS) {
+                debug_info("could not send plist, error %d", res);
+		return res;
+        }
+
+	res = misagent_error(property_list_service_receive_plist(client->parent, &dict));
+	if (res != MISAGENT_E_SUCCESS) {
+		debug_info("could not receive response, error %d", res);
+		return res;
+	}
+	if (!dict) {
+		debug_info("could not get response plist");
+		return MISAGENT_E_UNKNOWN_ERROR;
+	}
+
+	res = misagent_check_result(dict, &client->last_error);
+	plist_free(dict);
+
+	return res;
+}
+
+/**
+ * Retrieves an array of all installed provisioning profiles.
+ *
+ * @param client The connected misagent to use.
+ * @param profiles Pointer to a plist_t that will be set to a PLIST_ARRAY
+ *    if the function is successful.
+ *
+ * @return MISAGENT_E_SUCCESS on success, MISAGENT_E_INVALID_ARG when
+ *     client is invalid, or an MISAGENT_E_* error code otherwise.
+ *
+ * @note If no provisioning profiles are installed on the device, this function
+ *     still returns MISAGENT_E_SUCCESS and profiles will just point to an
+ *     empty array.
+ */
+misagent_error_t misagent_copy(misagent_client_t client, plist_t* profiles)
+{
+	if (!client || !client->parent || !profiles)
+                return MISAGENT_E_INVALID_ARG;
+
+	client->last_error = MISAGENT_E_UNKNOWN_ERROR;
+
+	plist_t dict = plist_new_dict();
+	plist_dict_insert_item(dict, "MessageType", plist_new_string("Copy"));
+	plist_dict_insert_item(dict, "ProfileType", plist_new_string("Provisioning"));
+
+	misagent_error_t res = misagent_error(property_list_service_send_xml_plist(client->parent, dict));
+	plist_free(dict);
+	dict = NULL;
+
+        if (res != MISAGENT_E_SUCCESS) {
+                debug_info("could not send plist, error %d", res);
+		return res;
+        }
+
+	res = misagent_error(property_list_service_receive_plist(client->parent, &dict));
+	if (res != MISAGENT_E_SUCCESS) {
+		debug_info("could not receive response, error %d", res);
+		return res;
+	}
+	if (!dict) {
+		debug_info("could not get response plist");
+		return MISAGENT_E_UNKNOWN_ERROR;
+	}
+
+	res = misagent_check_result(dict, &client->last_error);
+	if (res == MISAGENT_E_SUCCESS) {
+		*profiles = plist_copy(plist_dict_get_item(dict, "Payload"));
+	}
+	plist_free(dict);
+
+	return res;
+
+}
+
+/**
+ * Removes a given provisioning profile.
+ *
+ * @param client The connected misagent to use.
+ * @param profileID Identifier of the provisioning profile to remove.
+ *    This is a UUID that can be obtained from the provisioning profile data.
+ * @see misagent_copy
+ *
+ * @return MISAGENT_E_SUCCESS on success, MISAGENT_E_INVALID_ARG when
+ *     client is invalid, or an MISAGENT_E_* error code otherwise.
+ */
+misagent_error_t misagent_remove(misagent_client_t client, const char* profileID)
+{
+	if (!client || !client->parent || !profileID)
+                return MISAGENT_E_INVALID_ARG;
+
+	client->last_error = MISAGENT_E_UNKNOWN_ERROR;
+
+	plist_t dict = plist_new_dict();
+	plist_dict_insert_item(dict, "MessageType", plist_new_string("Remove"));
+	plist_dict_insert_item(dict, "ProfileID", plist_new_string(profileID));
+	plist_dict_insert_item(dict, "ProfileType", plist_new_string("Provisioning"));
+
+	misagent_error_t res = misagent_error(property_list_service_send_xml_plist(client->parent, dict));
+	plist_free(dict);
+	dict = NULL;
+
+        if (res != MISAGENT_E_SUCCESS) {
+                debug_info("could not send plist, error %d", res);
+		return res;
+        }
+
+	res = misagent_error(property_list_service_receive_plist(client->parent, &dict));
+	if (res != MISAGENT_E_SUCCESS) {
+		debug_info("could not receive response, error %d", res);
+		return res;
+	}
+	if (!dict) {
+		debug_info("could not get response plist");
+		return MISAGENT_E_UNKNOWN_ERROR;
+	}
+
+	res = misagent_check_result(dict, &client->last_error);
+	plist_free(dict);
+
+	return res;
+}
+
+/**
+ * Retrieves the status code from the last operation.
+ *
+ * @param client The misagent to use.
+ *
+ * @return -1 if client is invalid, or the status code from the last operation
+ */
+int misagent_get_status_code(misagent_client_t client)
+{
+	if (!client) {
+		return -1;
+	}
+	return client->last_error;
+}