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/*
* idevicesyslog.c
* Relay the syslog of a device to stdout
*
* Copyright (c) 2009 Martin Szulecki All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <signal.h>
#include <stdlib.h>
#include <libimobiledevice/libimobiledevice.h>
#include <libimobiledevice/lockdown.h>
#include <endianness.h>
#include "../src/service.h"
static int quit_flag = 0;
void print_usage(int argc, char **argv);
/**
* signal handler function for cleaning up properly
*/
static void clean_exit(int sig)
{
fprintf(stderr, "Exiting...\n");
quit_flag++;
}
int main(int argc, char *argv[])
{
idevice_t device = NULL;
idevice_error_t ret = IDEVICE_E_UNKNOWN_ERROR;
int i;
const char* udid = NULL;
signal(SIGINT, clean_exit);
signal(SIGTERM, clean_exit);
#ifndef WIN32
signal(SIGQUIT, clean_exit);
signal(SIGPIPE, SIG_IGN);
#endif
/* 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], "--udid")) {
i++;
if (!argv[i] || (strlen(argv[i]) != 40)) {
print_usage(argc, argv);
return 0;
}
udid = 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;
}
}
ret = idevice_new(&device, udid);
if (ret != IDEVICE_E_SUCCESS) {
if (udid) {
printf("No device found with udid %s, is it plugged in?\n", udid);
} else {
printf("No device found, is it plugged in?\n");
}
return -1;
}
service_error_t serr = SERVICE_E_UNKNOWN_ERROR;
service_client_t syslog = NULL;
service_client_factory_start_service(device, "com.apple.syslog_relay", (void**)&syslog, "idevicesyslog", NULL, &serr);
if (serr == SERVICE_E_SUCCESS) {
while (!quit_flag) {
char c;
uint32_t bytes = 0;
if (service_receive(syslog, &c, 1, &bytes) != SERVICE_E_SUCCESS) {
fprintf(stderr, "Error receiving data. Exiting...\n");
break;
}
if (c != 0) {
putchar(c);
fflush(stdout);
}
}
service_client_free(syslog);
} else {
printf("ERROR: Could not start service com.apple.syslog_relay.\n");
}
idevice_free(device);
return 0;
}
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("Relay syslog of a connected device.\n\n");
printf(" -d, --debug\t\tenable communication debugging\n");
printf(" -u, --udid UDID\ttarget specific device by its 40-digit device UDID\n");
printf(" -h, --help\t\tprints usage information\n");
printf("\n");
}
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