Print device Product and Build Version and IPSW Product and Build Version

It wasn't entirely clear what "Product Version" and "Product Build" would be
so prefixing it with "IPSW" makes it clear it's the version being restored.

src/common.h

@@ -114,6 +114,8 @@ struct idevicerestore_client_t {
 	struct idevicerestore_mode_t* mode;
 	char* version;
 	char* build;
+	char* device_version;
+	char* device_build;
 	int build_major;
 	char* restore_boot_args;
 	char* cache_dir;

src/idevicerestore.c

@@ -478,6 +478,21 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 		return -1;
 	}
 
+	if (client->mode == MODE_NORMAL) {
+		plist_t pver = normal_get_lockdown_value(client, NULL, "ProductVersion");
+		if (pver) {
+			plist_get_string_val(pver, &client->device_version);
+			plist_free(pver);
+		}
+		pver = normal_get_lockdown_value(client, NULL, "BuildVersion");
+		if (pver) {
+			plist_get_string_val(pver, &client->device_build);
+			plist_free(pver);
+		}
+	}
+	info("Device Product Version: %s\n", (client->device_version) ? client->device_version : "N/A");
+	info("Device Product Build: %s\n", (client->device_build) ? client->device_build : "N/A");
+
 	if (client->flags & FLAG_PWN) {
 		recovery_client_free(client);
 
@@ -678,8 +693,8 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 	/* print iOS information from the manifest */
 	build_manifest_get_version_information(client->build_manifest, client);
 
-	info("Product Version: %s\n", client->version);
-	info("Product Build: %s Major: %d\n", client->build, client->build_major);
+	info("IPSW Product Version: %s\n", client->version);
+	info("IPSW 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");
@@ -872,17 +887,11 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 	}
 
 	if (client->mode == MODE_NORMAL && !(client->flags & FLAG_ERASE) && !(client->flags & FLAG_SHSHONLY)) {
-		plist_t pver = normal_get_lockdown_value(client, NULL, "ProductVersion");
-		char *device_version = NULL;
-		if (pver) {
-			plist_get_string_val(pver, &device_version);
-			plist_free(pver);
-		}
-		if (device_version && (compare_versions(device_version, client->version) > 0)) {
+		if (client->device_version && (compare_versions(client->device_version, client->version) > 0)) {
 			if (client->flags & FLAG_INTERACTIVE) {
 				char input[64];
 				char spaces[16];
-				int num_spaces = 13 - strlen(client->version) - strlen(device_version);
+				int num_spaces = 13 - strlen(client->version) - strlen(client->device_version);
 				memset(spaces, ' ', num_spaces);
 				spaces[num_spaces] = '\0';
 				printf("################################ [ WARNING ] #################################\n"
@@ -893,7 +902,7 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 				       "# If you want to take the risk (and have a backup of your important data!)   #\n"
 				       "# type YES and press ENTER to continue. You have been warned.                #\n"
 				       "##############################################################################\n",
-				       device_version, client->version, spaces);
+				       client->device_version, client->version, spaces);
 				while (1) {
 					printf("> ");
 					fflush(stdout);
@@ -912,7 +921,6 @@ int idevicerestore_start(struct idevicerestore_client_t* client)
 				}
 			}
 		}
-		free(device_version);
 	}
 
 	if (client->flags & FLAG_ERASE && client->flags & FLAG_INTERACTIVE) {
@@ -1413,12 +1421,10 @@ void idevicerestore_client_free(struct idevicerestore_client_t* client)
 		}
 		free(client->filesystem);
 	}
-	if (client->version) {
-		free(client->version);
-	}
-	if (client->build) {
-		free(client->build);
-	}
+	free(client->version);
+	free(client->build);
+	free(client->device_version);
+	free(client->device_build);
 	if (client->restore_boot_args) {
 		free(client->restore_boot_args);
 	}