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-rw-r--r--src/screenshotr.c80
1 files changed, 28 insertions, 52 deletions
diff --git a/src/screenshotr.c b/src/screenshotr.c
index 0c4c9b2..c3cc9ba 100644
--- a/src/screenshotr.c
+++ b/src/screenshotr.c
@@ -1,33 +1,36 @@
1/* 1/*
2 * screenshotr.c 2 * screenshotr.c
3 * com.apple.mobile.screenshotr service implementation. 3 * com.apple.mobile.screenshotr service implementation.
4 * 4 *
5 * Copyright (c) 2010 Nikias Bassen All Rights Reserved. 5 * Copyright (c) 2010-2019 Nikias Bassen, All Rights Reserved.
6 * 6 *
7 * This library is free software; you can redistribute it and/or 7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public 8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either 9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version. 10 * version 2.1 of the License, or (at your option) any later version.
11 * 11 *
12 * This library is distributed in the hope that it will be useful, 12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details. 15 * Lesser General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU Lesser General Public 17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software 18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */ 20 */
21 21
22#ifdef HAVE_CONFIG_H
23#include <config.h>
24#endif
22#include <plist/plist.h> 25#include <plist/plist.h>
23#include <string.h> 26#include <string.h>
24#include <stdlib.h> 27#include <stdlib.h>
25 28
26#include "screenshotr.h" 29#include "screenshotr.h"
27#include "device_link_service.h" 30#include "device_link_service.h"
28#include "debug.h" 31#include "common/debug.h"
29 32
30#define SCREENSHOTR_VERSION_INT1 100 33#define SCREENSHOTR_VERSION_INT1 400
31#define SCREENSHOTR_VERSION_INT2 0 34#define SCREENSHOTR_VERSION_INT2 0
32 35
33/** 36/**
@@ -50,6 +53,10 @@ static screenshotr_error_t screenshotr_error(device_link_service_error_t err)
50 return SCREENSHOTR_E_PLIST_ERROR; 53 return SCREENSHOTR_E_PLIST_ERROR;
51 case DEVICE_LINK_SERVICE_E_MUX_ERROR: 54 case DEVICE_LINK_SERVICE_E_MUX_ERROR:
52 return SCREENSHOTR_E_MUX_ERROR; 55 return SCREENSHOTR_E_MUX_ERROR;
56 case DEVICE_LINK_SERVICE_E_SSL_ERROR:
57 return SCREENSHOTR_E_SSL_ERROR;
58 case DEVICE_LINK_SERVICE_E_RECEIVE_TIMEOUT:
59 return SCREENSHOTR_E_RECEIVE_TIMEOUT;
53 case DEVICE_LINK_SERVICE_E_BAD_VERSION: 60 case DEVICE_LINK_SERVICE_E_BAD_VERSION:
54 return SCREENSHOTR_E_BAD_VERSION; 61 return SCREENSHOTR_E_BAD_VERSION;
55 default: 62 default:
@@ -58,29 +65,14 @@ static screenshotr_error_t screenshotr_error(device_link_service_error_t err)
58 return SCREENSHOTR_E_UNKNOWN_ERROR; 65 return SCREENSHOTR_E_UNKNOWN_ERROR;
59} 66}
60 67
61/** 68screenshotr_error_t screenshotr_client_new(idevice_t device, lockdownd_service_descriptor_t service,
62 * Connects to the screenshotr service on the specified device.
63 *
64 * @param device The device to connect to.
65 * @param port Destination port (usually given by lockdownd_start_service).
66 * @param client Pointer that will be set to a newly allocated
67 * screenshotr_client_t upon successful return.
68 *
69 * @note This service is only available if a developer disk image has been
70 * mounted.
71 *
72 * @return SCREENSHOTR_E_SUCCESS on success, SCREENSHOTR_E_INVALID ARG if one
73 * or more parameters are invalid, or SCREENSHOTR_E_CONN_FAILED if the
74 * connection to the device could not be established.
75 */
76screenshotr_error_t screenshotr_client_new(idevice_t device, uint16_t port,
77 screenshotr_client_t * client) 69 screenshotr_client_t * client)
78{ 70{
79 if (!device || port == 0 || !client || *client) 71 if (!device || !service || service->port == 0 || !client || *client)
80 return SCREENSHOTR_E_INVALID_ARG; 72 return SCREENSHOTR_E_INVALID_ARG;
81 73
82 device_link_service_client_t dlclient = NULL; 74 device_link_service_client_t dlclient = NULL;
83 screenshotr_error_t ret = screenshotr_error(device_link_service_client_new(device, port, &dlclient)); 75 screenshotr_error_t ret = screenshotr_error(device_link_service_client_new(device, service, &dlclient));
84 if (ret != SCREENSHOTR_E_SUCCESS) { 76 if (ret != SCREENSHOTR_E_SUCCESS) {
85 return ret; 77 return ret;
86 } 78 }
@@ -101,39 +93,23 @@ screenshotr_error_t screenshotr_client_new(idevice_t device, uint16_t port,
101 return ret; 93 return ret;
102} 94}
103 95
104/** 96screenshotr_error_t screenshotr_client_start_service(idevice_t device, screenshotr_client_t * client, const char* label)
105 * Disconnects a screenshotr client from the device and frees up the 97{
106 * screenshotr client data. 98 screenshotr_error_t err = SCREENSHOTR_E_UNKNOWN_ERROR;
107 * 99 service_client_factory_start_service(device, SCREENSHOTR_SERVICE_NAME, (void**)client, label, SERVICE_CONSTRUCTOR(screenshotr_client_new), &err);
108 * @param client The screenshotr client to disconnect and free. 100 return err;
109 * 101}
110 * @return SCREENSHOTR_E_SUCCESS on success, or SCREENSHOTR_E_INVALID_ARG 102
111 * if client is NULL.
112 */
113screenshotr_error_t screenshotr_client_free(screenshotr_client_t client) 103screenshotr_error_t screenshotr_client_free(screenshotr_client_t client)
114{ 104{
115 if (!client) 105 if (!client)
116 return SCREENSHOTR_E_INVALID_ARG; 106 return SCREENSHOTR_E_INVALID_ARG;
117 device_link_service_disconnect(client->parent); 107 device_link_service_disconnect(client->parent, NULL);
118 screenshotr_error_t err = screenshotr_error(device_link_service_client_free(client->parent)); 108 screenshotr_error_t err = screenshotr_error(device_link_service_client_free(client->parent));
119 free(client); 109 free(client);
120 return err; 110 return err;
121} 111}
122 112
123/**
124 * Get a screen shot from the connected device.
125 *
126 * @param client The connection screenshotr service client.
127 * @param imgdata Pointer that will point to a newly allocated buffer
128 * containing TIFF image data upon successful return. It is up to the
129 * caller to free the memory.
130 * @param imgsize Pointer to a uint64_t that will be set to the size of the
131 * buffer imgdata points to upon successful return.
132 *
133 * @return SCREENSHOTR_E_SUCCESS on success, SCREENSHOTR_E_INVALID_ARG if
134 * one or more parameters are invalid, or another error code if an
135 * error occured.
136 */
137screenshotr_error_t screenshotr_take_screenshot(screenshotr_client_t client, char **imgdata, uint64_t *imgsize) 113screenshotr_error_t screenshotr_take_screenshot(screenshotr_client_t client, char **imgdata, uint64_t *imgsize)
138{ 114{
139 if (!client || !client->parent || !imgdata) 115 if (!client || !client->parent || !imgdata)
@@ -142,7 +118,7 @@ screenshotr_error_t screenshotr_take_screenshot(screenshotr_client_t client, cha
142 screenshotr_error_t res = SCREENSHOTR_E_UNKNOWN_ERROR; 118 screenshotr_error_t res = SCREENSHOTR_E_UNKNOWN_ERROR;
143 119
144 plist_t dict = plist_new_dict(); 120 plist_t dict = plist_new_dict();
145 plist_dict_insert_item(dict, "MessageType", plist_new_string("ScreenShotRequest")); 121 plist_dict_set_item(dict, "MessageType", plist_new_string("ScreenShotRequest"));
146 122
147 res = screenshotr_error(device_link_service_send_process_message(client->parent, dict)); 123 res = screenshotr_error(device_link_service_send_process_message(client->parent, dict));
148 plist_free(dict); 124 plist_free(dict);
@@ -166,7 +142,7 @@ screenshotr_error_t screenshotr_take_screenshot(screenshotr_client_t client, cha
166 plist_t node = plist_dict_get_item(dict, "MessageType"); 142 plist_t node = plist_dict_get_item(dict, "MessageType");
167 char *strval = NULL; 143 char *strval = NULL;
168 plist_get_string_val(node, &strval); 144 plist_get_string_val(node, &strval);
169 if (!strval || strcmp(strval, "ScreenShotReply")) { 145 if (!strval || strcmp(strval, "ScreenShotReply") != 0) {
170 debug_info("invalid screenshot data received!"); 146 debug_info("invalid screenshot data received!");
171 res = SCREENSHOTR_E_PLIST_ERROR; 147 res = SCREENSHOTR_E_PLIST_ERROR;
172 goto leave; 148 goto leave;