From f104eb4371c2da6bac81f283d9943cdb800a6f95 Mon Sep 17 00:00:00 2001 From: Martin Szulecki Date: Thu, 16 Apr 2009 17:12:45 +0200 Subject: Add tool to relay the syslog from a device to stdout [#30] Signed-off-by: Matt Colyer --- dev/Makefile.am | 7 ++- dev/syslog_relay.c | 159 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 165 insertions(+), 1 deletion(-) create mode 100644 dev/syslog_relay.c diff --git a/dev/Makefile.am b/dev/Makefile.am index 00a6e3a..8afe2f9 100644 --- a/dev/Makefile.am +++ b/dev/Makefile.am @@ -3,7 +3,7 @@ INCLUDES = -I$(top_srcdir)/include AM_CFLAGS = $(GLOBAL_CFLAGS) $(libusb_CFLAGS) $(libglib2_CFLAGS) $(libgnutls_CFLAGS) $(libtasn1_CFLAGS) $(libgthread2_CFLAGS) $(LFS_CFLAGS) AM_LDFLAGS = $(libusb_LIBS) $(libglib2_LIBS) $(libgnutls_LIBS) $(libtasn1_LIBS) $(libgthread2_LIBS) -bin_PROGRAMS = iphoneclient lckd-client afccheck msyncclient iphoneinfo +bin_PROGRAMS = iphoneclient lckd-client afccheck msyncclient iphoneinfo iphonesyslog iphoneclient_SOURCES = main.c iphoneclient_LDADD = ../src/libiphone.la @@ -27,3 +27,8 @@ iphoneinfo_SOURCES = iphoneinfo.c iphoneinfo_CFLAGS = $(AM_CFLAGS) iphoneinfo_LDFLAGS = $(AM_LDFLAGS) iphoneinfo_LDADD = ../src/libiphone.la + +iphonesyslog_SOURCES = syslog_relay.c +iphonesyslog_CFLAGS = $(AM_CFLAGS) +iphonesyslog_LDFLAGS = $(AM_LDFLAGS) +iphonesyslog_LDADD = ../src/libiphone.la diff --git a/dev/syslog_relay.c b/dev/syslog_relay.c new file mode 100644 index 0000000..56cf56c --- /dev/null +++ b/dev/syslog_relay.c @@ -0,0 +1,159 @@ +/* + * syslog_relay.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 +#include +#include +#include +#include +#include + +#include + +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[]) +{ + iphone_lckd_client_t control = NULL; + iphone_device_t phone = NULL; + iphone_error_t ret = IPHONE_E_UNKNOWN_ERROR; + int i; + int bus_n = -1, dev_n = -1; + int port = 0; + + signal(SIGINT, clean_exit); + signal(SIGQUIT, clean_exit); + signal(SIGTERM, clean_exit); + signal(SIGPIPE, SIG_IGN); + + /* parse cmdline args */ + for (i = 1; i < argc; i++) { + if (!strcmp(argv[i], "-d") || !strcmp(argv[i], "--debug")) { + iphone_set_debug_mask(DBGMASK_ALL); + continue; + } + else if (!strcmp(argv[i], "-u") || !strcmp(argv[i], "--usb")) { + if (sscanf(argv[++i], "%d,%d", &bus_n, &dev_n) < 2) { + print_usage(argc, argv); + return 0; + } + 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 (bus_n != -1) { + ret = iphone_get_specific_device(bus_n, dev_n, &phone); + if (ret != IPHONE_E_SUCCESS) { + printf("No device found for usb bus %d and dev %d, is it plugged in?\n", bus_n, dev_n); + return -1; + } + } + else + { + ret = iphone_get_device(&phone); + if (ret != IPHONE_E_SUCCESS) { + printf("No device found, is it plugged in?\n"); + return -1; + } + } + + if (IPHONE_E_SUCCESS != iphone_lckd_new_client(phone, &control)) { + iphone_free_device(phone); + return -1; + } + + /* start syslog_relay service and retrieve port */ + ret = iphone_lckd_start_service(control, "com.apple.syslog_relay", &port); + if ((ret == IPHONE_E_SUCCESS) && port) { + /* connect to socket relay messages */ + iphone_umux_client_t syslog_client = NULL; + + ret = iphone_mux_new_client(phone, 514, port, &syslog_client); + if (ret == IPHONE_E_SUCCESS) { + while (!quit_flag) { + char *receive = NULL; + uint32_t datalen = 0, bytes = 0, recv_bytes = 0; + + ret = iphone_mux_recv(syslog_client, (char *) &datalen, sizeof(datalen), &bytes); + datalen = ntohl(datalen); + + if (datalen == 0) + continue; + + recv_bytes += bytes; + receive = (char *) malloc(sizeof(char) * datalen); + + while (!quit_flag && (recv_bytes <= datalen)) { + ret = iphone_mux_recv(syslog_client, receive, datalen, &bytes); + + if (bytes == 0) + break; + + recv_bytes += bytes; + + fwrite(receive, sizeof(char), bytes, stdout); + } + + free(receive); + } + } else { + printf("ERROR: Could not open usbmux connection.\n"); + } + iphone_mux_free_client(syslog_client); + } else { + printf("ERROR: Could not start service com.apple.syslog_relay.\n"); + } + + iphone_lckd_free_client(control); + iphone_free_device(phone); + + return 0; +} + +void print_usage(int argc, char **argv) +{ + printf("Usage: %s [OPTIONS]\n", (strrchr(argv[0], '/') + 1)); + printf("Relay syslog of a connected iPhone/iPod Touch.\n\n"); + printf(" -d, --debug\t\tenable communication debugging\n"); + printf(" -u, --usb=BUS,DEV\ttarget specific device by usb bus/dev number\n"); + printf(" -h, --help\t\tprints usage information\n"); + printf("\n"); +} + -- cgit v1.1-32-gdbae