tools: Allow ideviceinfo to connect to network devices

1 files changed, 88 insertions, 66 deletions

diff --git a/tools/ideviceinfo.c b/tools/ideviceinfo.c
index a1124cf..bd3819e 100644
--- a/tools/ideviceinfo.c
+++ b/tools/ideviceinfo.c
@@ -2,6 +2,7 @@
  * ideviceinfo.c
  * Simple utility to show information about an attached device
  *
+ * Copyright (c) 2010-2019 Nikias Bassen, All Rights Reserved.
  * Copyright (c) 2009 Martin Szulecki All Rights Reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ -27,6 +28,7 @@
 #include <string.h>
 #include <errno.h>
 #include <stdlib.h>
+#include <getopt.h>
 #ifndef WIN32
 #include <signal.h>
 #endif
@@ -84,28 +86,32 @@ static int is_domain_known(char *domain)
         return 0;
 }
 
-static void print_usage(int argc, char **argv)
+static void print_usage(int argc, char **argv, int is_error)
 {
         int i = 0;
         char *name = NULL;
-
         name = strrchr(argv[0], '/');
-        printf("Usage: %s [OPTIONS]\n", (name ? name + 1: argv[0]));
-        printf("Show information about a connected device.\n\n");
-        printf("  -d, --debug\t\tenable communication debugging\n");
-        printf("  -s, --simple\t\tuse a simple connection to avoid auto-pairing with the device\n");
-        printf("  -u, --udid UDID\ttarget specific device by UDID\n");
-        printf("  -q, --domain NAME\tset domain of query to NAME. Default: None\n");
-        printf("  -k, --key NAME\tonly query key specified by NAME. Default: All keys.\n");
-        printf("  -x, --xml\t\toutput information as xml plist instead of key/value pairs\n");
-        printf("  -h, --help\t\tprints usage information\n");
-        printf("\n");
-        printf("  Known domains are:\n\n");
+        fprintf(is_error ? stderr : stdout, "Usage: %s [OPTIONS]\n", (name ? name + 1: argv[0]));
+        fprintf(is_error ? stderr : stdout,
+          "Show information about a connected device.\n\n" \
+          "  -s, --simple       use a simple connection to avoid auto-pairing with the device\n" \
+          "  -u, --udid UDID    target specific device by UDID\n" \
+          "  -n, --network      connect to network device even if available via USB\n" \
+          "  -q, --domain NAME  set domain of query to NAME. Default: None\n" \
+          "  -k, --key NAME     only query key specified by NAME. Default: All keys.\n" \
+          "  -x, --xml          output information as xml plist instead of key/value pairs\n" \
+          "  -h, --help         prints usage information\n" \
+          "  -d, --debug        enable communication debugging\n" \
+          "\n"
+        );
+        fprintf(is_error ? stderr : stdout, "  Known domains are:\n\n");
         while (domains[i] != NULL) {
-                printf("  %s\n", domains[i++]);
+                fprintf(is_error ? stderr : stdout, "  %s\n", domains[i++]);
         }
-        printf("\n");
-        printf("Homepage: <" PACKAGE_URL ">\n");
+        fprintf(is_error ? stderr : stdout,
+          "\n" \
+          "Homepage: <" PACKAGE_URL ">\n"
+        );
 }
 
 int main(int argc, char *argv[])
@@ -114,79 +120,91 @@ int main(int argc, char *argv[])
         lockdownd_error_t ldret = LOCKDOWN_E_UNKNOWN_ERROR;
         idevice_t device = NULL;
         idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
-        int i;
         int simple = 0;
         int format = FORMAT_KEY_VALUE;
-        const char* udid = NULL;
+        char* udid = NULL;
         char *domain = NULL;
         char *key = NULL;
         char *xml_doc = NULL;
         uint32_t xml_length;
         plist_t node = NULL;
+        enum idevice_options lookup_opts = IDEVICE_LOOKUP_USBMUX | IDEVICE_LOOKUP_NETWORK;
+
+        int c = 0;
+        const struct option longopts[] = {
+                { "debug", no_argument, NULL, 'd' },
+                { "help", no_argument, NULL, 'h' },
+                { "udid", required_argument, NULL, 'u' },
+                { "network", no_argument, NULL, 'n' },
+                { "domain", required_argument, NULL, 'q' },
+                { "key", required_argument, NULL, 'k' },
+                { "xml", no_argument, NULL, 'x' },
+                { NULL, 0, NULL, 0}
+        };
 
 #ifndef WIN32
         signal(SIGPIPE, SIG_IGN);
 #endif
-        /* parse cmdline args */
-        for (i = 1; i < argc; i++) {
-                if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) {
+
+        while ((c = getopt_long(argc, argv, "dhu:nq:k:x", longopts, NULL)) != -1) {
+                switch (c) {
+                case 'd':
                         idevice_set_debug_level(1);
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--udid")) {
-                        i++;
-                        if (!argv[i] || !*argv[i]) {
-                                print_usage(argc, argv);
-                                return 0;
-                        }
-                        udid = argv[i];
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-q") || !strcmp(argv[i], "--domain")) {
-                        i++;
-                        if (!argv[i] || (strlen(argv[i]) < 4)) {
-                                print_usage(argc, argv);
-                                return 0;
+                        break;
+                case 'u':
+                        if (!*optarg) {
+                                fprintf(stderr, "ERROR: UDID must not be empty!\n");
+                                print_usage(argc, argv, 1);
+                                return 2;
                         }
-                        if (!is_domain_known(argv[i])) {
-                                fprintf(stderr, "WARNING: Sending query with unknown domain \"%s\".\n", argv[i]);
+                        free(udid);
+                        udid = strdup(optarg);
+                        break;
+                case 'n':
+                        lookup_opts |= IDEVICE_LOOKUP_PREFER_NETWORK;
+                        break;
+                case 'q':
+                        if (!*optarg) {
+                                fprintf(stderr, "ERROR: 'domain' must not be empty!\n");
+                                print_usage(argc, argv, 1);
+                                return 2;
                         }
-                        domain = strdup(argv[i]);
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-k") || !strcmp(argv[i], "--key")) {
-                        i++;
-                        if (!argv[i] || (strlen(argv[i]) <= 1)) {
-                                print_usage(argc, argv);
-                                return 0;
+                        free(domain);
+                        domain = strdup(optarg);
+                        break;
+                case 'k':
+                        if (!*optarg) {
+                                fprintf(stderr, "ERROR: 'key' must not be empty!\n");
+                                print_usage(argc, argv, 1);
+                                return 2;
                         }
-                        key = strdup(argv[i]);
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-x") || !strcmp(argv[i], "--xml")) {
+                        free(key);
+                        key = strdup(optarg);
+                        break;
+                case 'x':
                         format = FORMAT_XML;
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-s") || !strcmp(argv[i], "--simple")) {
+                        break;
+                case 's':
                         simple = 1;
-                        continue;
-                }
-                else if (!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help")) {
-                        print_usage(argc, argv);
-                        return 0;
-                }
-                else {
-                        print_usage(argc, argv);
+                        break;
+                case 'h':
+                        print_usage(argc, argv, 0);
                         return 0;
+                default:
+                        print_usage(argc, argv, 1);
+                        return 2;
                 }
         }
 
-        ret = idevice_new(&device, udid);
+        argc -= optind;
+        argv += optind;
+
+        ret = idevice_new_with_options(&device, udid, lookup_opts);
         if (ret != IDEVICE_E_SUCCESS) {
                 if (udid) {
-                        printf("No device found with udid %s, is it plugged in?\n", udid);
+                        printf("ERROR: Device %s not found!\n", udid);
                 } else {
-                        printf("No device found, is it plugged in?\n");
+                        printf("ERROR: No device found!\n");
                 }
                 return -1;
         }
@@ -194,11 +212,15 @@ int main(int argc, char *argv[])
         if (LOCKDOWN_E_SUCCESS != (ldret = simple ?
                         lockdownd_client_new(device, &client, "ideviceinfo"):
                         lockdownd_client_new_with_handshake(device, &client, "ideviceinfo"))) {
-                fprintf(stderr, "ERROR: Could not connect to lockdownd, error code %d\n", ldret);
+                fprintf(stderr, "ERROR: Could not connect to lockdownd: %s (%d)\n", lockdownd_strerror(ldret), ldret);
                 idevice_free(device);
                 return -1;
         }
 
+        if (domain && !is_domain_known(domain)) {
+                fprintf(stderr, "WARNING: Sending query with unknown domain \"%s\".\n", domain);
+        }
+
         /* run query and output information */
         if(lockdownd_get_value(client, domain, key, &node) == LOCKDOWN_E_SUCCESS) {
                 if (node) {