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");
+}