New screenshotr service plus idevicescreenshot tool

[#113 state:resolved]

2 files changed, 117 insertions, 1 deletions

diff --git a/tools/Makefile.am b/tools/Makefile.am
index b4fa69e..472ebab 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -3,7 +3,7 @@ INCLUDES = -I$(top_srcdir)/include
 AM_CFLAGS = $(GLOBAL_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) $(LFS_CFLAGS)
 AM_LDFLAGS = $(libglib2_LIBS) $(libgnutls_LIBS) $(libtasn1_LIBS) $(libgthread2_LIBS)
 
-bin_PROGRAMS = idevice_id ideviceinfo idevicesyslog idevicebackup ideviceimagemounter
+bin_PROGRAMS = idevice_id ideviceinfo idevicesyslog idevicebackup ideviceimagemounter idevicescreenshot
 
 ideviceinfo_SOURCES = ideviceinfo.c
 ideviceinfo_CFLAGS = $(AM_CFLAGS)
@@ -29,3 +29,8 @@ ideviceimagemounter_SOURCES = ideviceimagemounter.c
 ideviceimagemounter_CFLAGS = $(AM_CFLAGS)
 ideviceimagemounter_LDFLAGS = $(AM_LDFLAGS)
 ideviceimagemounter_LDADD = ../src/libimobiledevice.la
+
+idevicescreenshot_SOURCES = idevicescreenshot.c
+idevicescreenshot_CFLAGS = $(AM_CFLAGS)
+idevicescreenshot_LDFLAGS = $(AM_LDFLAGS)
+idevicescreenshot_LDADD = ../src/libimobiledevice.la
diff --git a/tools/idevicescreenshot.c b/tools/idevicescreenshot.c
new file mode 100644
index 0000000..ca4454c
--- /dev/null
+++ b/tools/idevicescreenshot.c
@@ -0,0 +1,111 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <libimobiledevice/libimobiledevice.h>
+#include <libimobiledevice/lockdown.h>
+#include <libimobiledevice/screenshotr.h>
+
+void print_usage(int argc, char **argv);
+
+int main(int argc, char **argv)
+{
+	idevice_t device = NULL;
+	lockdownd_client_t lckd = NULL;
+	screenshotr_client_t shotr = NULL;
+	uint16_t port = 0;
+	int result = -1;
+	int i;
+	char *uuid = NULL;
+
+	/* parse cmdline args */
+	for (i = 1; i < argc; i++) {
+		if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
+			idevice_set_debug_level(1);
+			continue;
+		}
+		else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--uuid")) {
+			i++;
+			if (!argv[i] || (strlen(argv[i]) != 40)) {
+				print_usage(argc, argv);
+				return 0;
+			}
+			uuid = strdup(argv[i]);
+			continue;
+		}
+		else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
+			print_usage(argc, argv);
+			return 0;
+		}
+		else {
+			print_usage(argc, argv);
+			return 0;
+		}
+	}
+
+	if (IDEVICE_E_SUCCESS != idevice_new(&device, uuid)) {
+		printf("No device found, is it plugged in?\n");
+		if (uuid) {
+			free(uuid);
+		}
+		return -1;
+	}
+	if (uuid) {
+		free(uuid);
+	}
+
+	if (LOCKDOWN_E_SUCCESS != lockdownd_client_new_with_handshake(device, &lckd, NULL)) {
+		idevice_free(device);
+		printf("Exiting.\n");
+		return -1;
+	}
+
+	lockdownd_start_service(lckd, "com.apple.mobile.screenshotr", &port);
+	lockdownd_client_free(lckd);
+	if (port > 0) {
+		if (screenshotr_client_new(device, port, &shotr) != SCREENSHOTR_E_SUCCESS) {
+			printf("Could not connect to screenshotr!\n");
+		} else {
+			char *imgdata = NULL;
+			uint64_t imgsize = 0;
+			if (screenshotr_take_screenshot(shotr, &imgdata, &imgsize) == SCREENSHOTR_E_SUCCESS) {
+				FILE *f = fopen("screenshot.tiff", "w");
+				if (f) {
+					if (fwrite(imgdata, 1, (size_t)imgsize, f) == (size_t)imgsize) {
+						printf("Screenshot saved to screenshot.tiff\n");
+						result = 0;
+					} else {
+						printf("Could not save screenshot to file!\n");
+					}
+					fclose(f);
+				} else {
+					printf("Could not open screenshot.tiff for writing: %s\n", strerror(errno));
+				}
+			} else {
+				printf("Could not get screenshot!\n");
+			}
+			screenshotr_client_free(shotr);
+		}
+	} else {
+		printf("Could not start screenshotr service! Remember that you have to mount the Developer disk image on your device if you want to use the screenshotr service.\n");
+	}
+	idevice_free(device);
+	
+	return result;
+}
+
+void print_usage(int argc, char **argv)
+{
+        char *name = NULL;
+
+        name = strrchr(argv[0], '/');
+        printf("Usage: %s [OPTIONS]\n", (name ? name + 1: argv[0]));
+        printf("Gets a screenshot from the connected iPhone/iPod Touch.\n");
+	printf("NOTE: A mounted developer disk image is required on the device, otherwise\n");
+	printf(" the screenshotr service is not available.\n\n");
+        printf("  -d, --debug\t\tenable communication debugging\n");
+        printf("  -u, --uuid UUID\ttarget specific device by its 40-digit device UUID\n");
+        printf("  -h, --help\t\tprints usage information\n");
+        printf("\n");
+}