laforge has uploaded this change for review. (
https://gerrit.osmocom.org/c/simtrace2/+/24574 )
Change subject: Introduce simtrace2-tool
......................................................................
Introduce simtrace2-tool
The simtrace-tool isa command line tool which can be used to e.g.
manually request a modem reset.
Change-Id: I3a8896ac2b3caef7590b51118359e5caed820a40
---
M host/src/Makefile.am
A host/src/simtrace2-tool.c
2 files changed, 341 insertions(+), 1 deletion(-)
git pull ssh://gerrit.osmocom.org:29418/simtrace2 refs/changes/74/24574/1
diff --git a/host/src/Makefile.am b/host/src/Makefile.am
index fa5be6e..17be9eb 100644
--- a/host/src/Makefile.am
+++ b/host/src/Makefile.am
@@ -5,10 +5,12 @@
LDADD= $(top_builddir)/lib/libosmo-simtrace2.la \
$(LIBOSMOCORE_LIBS) $(LIBOSMOSIM_LIBS) $(LIBOSMOUSB_LIBS) $(LIBUSB_LIBS)
-bin_PROGRAMS = simtrace2-cardem-pcsc simtrace2-list simtrace2-sniff
+bin_PROGRAMS = simtrace2-cardem-pcsc simtrace2-list simtrace2-sniff
simtrace2-tool
simtrace2_cardem_pcsc_SOURCES = simtrace2-cardem-pcsc.c
simtrace2_list_SOURCES = simtrace2_usb.c
simtrace2_sniff_SOURCES = simtrace2-sniff.c
+
+simtrace2_tool_SOURCES = simtrace2-tool.c
diff --git a/host/src/simtrace2-tool.c b/host/src/simtrace2-tool.c
new file mode 100644
index 0000000..56ec791
--- /dev/null
+++ b/host/src/simtrace2-tool.c
@@ -0,0 +1,338 @@
+/* simtrace2-tool - main program for the host PC to provide a remote SIM
+ * using the SIMtrace 2 firmware in card emulation mode
+ *
+ * (C) 2019 by Harald Welte <hwe...@hmw-consulting.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
USA.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
+#include <signal.h>
+#define _GNU_SOURCE
+#include <getopt.h>
+
+#include <sys/types.h>
+
+#include <libusb.h>
+
+#include <osmocom/usb/libusb.h>
+#include <osmocom/simtrace2/simtrace2_api.h>
+#include <osmocom/simtrace2/simtrace_prot.h>
+#include <osmocom/simtrace2/gsmtap.h>
+
+#include <osmocom/core/utils.h>
+#include <osmocom/core/msgb.h>
+
+/***********************************************************************
+ * Incoming Messages
+ ***********************************************************************/
+
+static void print_welcome(void)
+{
+ printf("simtrace2-tool\n"
+ "(C) 2019 Harald Welte <lafo...@gnumonks.org>\n");
+}
+
+static void print_help(void)
+{
+ printf( "simtrace2-tool [OPTIONS] COMMAND\n\n");
+ printf( "Options:\n"
+ "\t-h\t--help\n"
+ "\t-V\t--usb-vendor\tVENDOR_ID\n"
+ "\t-P\t--usb-product\tPRODUCT_ID\n"
+ "\t-C\t--usb-config\tCONFIG_ID\n"
+ "\t-I\t--usb-interface\tINTERFACE_ID\n"
+ "\t-S\t--usb-altsetting ALTSETTING_ID\n"
+ "\t-A\t--usb-address\tADDRESS\n"
+ "\t-H\t--usb-path\tPATH\n"
+ "\n"
+ );
+ printf( "Commands:\n"
+ "\tmodem reset (enable|disable|cycle)\n"
+ "\tmodem sim-switch (local|remote)\n"
+ "\n");
+}
+
+static const struct option opts[] = {
+ { "help", 0, 0, 'h' },
+ { "usb-vendor", 1, 0, 'V' },
+ { "usb-product", 1, 0, 'P' },
+ { "usb-config", 1, 0, 'C' },
+ { "usb-interface", 1, 0, 'I' },
+ { "usb-altsetting", 1, 0, 'S' },
+ { "usb-address", 1, 0, 'A' },
+ { "usb-path", 1, 0, 'H' },
+ { NULL, 0, 0, 0 }
+};
+
+static void run_mainloop(struct osmo_st2_cardem_inst *ci)
+{
+ struct osmo_st2_transport *transp = ci->slot->transp;
+ uint8_t buf[16*265];
+ int xfer_len;
+ int rc;
+
+ while (1) {
+ /* read data from SIMtrace2 device */
+ rc = libusb_bulk_transfer(transp->usb_devh, transp->usb_ep.in,
+ buf, sizeof(buf), &xfer_len, 100);
+ if (rc < 0 && rc != LIBUSB_ERROR_TIMEOUT &&
+ rc != LIBUSB_ERROR_INTERRUPTED &&
+ rc != LIBUSB_ERROR_IO) {
+ fprintf(stderr, "BULK IN transfer error; rc=%d\n", rc);
+ return;
+ }
+ /* break the loop if no new messages arrive within 100ms */
+ if (rc == LIBUSB_ERROR_TIMEOUT)
+ return;
+ }
+}
+
+static struct osmo_st2_transport _transp;
+
+static struct osmo_st2_slot _slot = {
+ .transp = &_transp,
+ .slot_nr = 0,
+};
+
+struct osmo_st2_cardem_inst _ci = {
+ .slot = &_slot,
+};
+
+struct osmo_st2_cardem_inst *ci = &_ci;
+
+/* perform a modem reset */
+static int do_modem_reset(int argc, char **argv)
+{
+ char *command;
+ if (argc < 1)
+ command = "cycle";
+ else {
+ command = argv[0];
+ argc--;
+ argv++;
+ }
+
+ if (!strcmp(command, "enable")) {
+ printf("Activating Modem RESET\n");
+ return osmo_st2_modem_reset_active(ci->slot);
+ } else if (!strcmp(command, "disable")) {
+ printf("Deactivating Modem RESET\n");
+ return osmo_st2_modem_reset_inactive(ci->slot);
+ } else if (!strcmp(command, "cycle")) {
+ printf("Pulsing Modem RESET (1s)\n");
+ return osmo_st2_modem_reset_pulse(ci->slot, 1000);
+ } else {
+ fprintf(stderr, "Unsupported modem reset command: '%s'\n",
command);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/* switch between local and remote (emulated) SIM */
+static int do_modem_sim_switch(int argc, char **argv)
+{
+ char *command;
+ if (argc < 1)
+ return -EINVAL;
+ command = argv[0];
+ argc--;
+ argv++;
+
+ if (!strcmp(command, "local")) {
+ printf("Setting SIM=LOCAL; Modem reset recommended\n");
+ return osmo_st2_modem_sim_select_local(ci->slot);
+ } else if (!strcmp(command, "remote")) {
+ printf("Setting SIM=REMOTE; Modem reset recommended\n");
+ return osmo_st2_modem_sim_select_remote(ci->slot);
+ } else {
+ fprintf(stderr, "Unsupported modem sim-switch command: '%s'\n",
command);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int do_subsys_modem(int argc, char **argv)
+{
+ char *command;
+ int rc;
+
+ if (argc < 1)
+ return -EINVAL;
+ command = argv[0];
+ argc--;
+ argv++;
+
+ if (!strcmp(command, "reset")) {
+ rc = do_modem_reset(argc, argv);
+ } else if (!strcmp(command, "sim-switch")) {
+ rc = do_modem_sim_switch(argc, argv);
+ } else {
+ fprintf(stderr, "Unsupported command for subsystem modem:
'%s'\n", command);
+ return -EINVAL;
+ }
+
+ return rc;
+}
+
+static int do_command(int argc, char **argv)
+{
+ char *subsys;
+ int rc;
+
+ if (argc < 1)
+ return -EINVAL;
+ subsys = argv[0];
+ argc--;
+ argv++;
+
+ if (!strcmp(subsys, "modem"))
+ rc = do_subsys_modem(argc, argv);
+ else {
+ fprintf(stderr, "Unsupported subsystem '%s'\n", subsys);
+ rc = -EINVAL;
+ }
+
+ return rc;
+}
+
+
+int main(int argc, char **argv)
+{
+ struct osmo_st2_transport *transp = ci->slot->transp;
+ int rc;
+ int c, ret = 1;
+ int if_num = 0, vendor_id = -1, product_id = -1;
+ int config_id = -1, altsetting = 0, addr = -1;
+ char *path = NULL;
+
+ while (1) {
+ int option_index = 0;
+
+ c = getopt_long(argc, argv, "hV:P:C:I:S:A:H:", opts,
&option_index);
+ if (c == -1)
+ break;
+ switch (c) {
+ case 'h':
+ print_help();
+ exit(0);
+ break;
+ case 'V':
+ vendor_id = strtol(optarg, NULL, 16);
+ break;
+ case 'P':
+ product_id = strtol(optarg, NULL, 16);
+ break;
+ case 'C':
+ config_id = atoi(optarg);
+ break;
+ case 'I':
+ if_num = atoi(optarg);
+ break;
+ case 'S':
+ altsetting = atoi(optarg);
+ break;
+ case 'A':
+ addr = atoi(optarg);
+ break;
+ case 'H':
+ path = optarg;
+ break;
+ }
+ }
+
+ if ((vendor_id < 0 || product_id < 0)) {
+ fprintf(stderr, "You have to specify the vendor and product
ID\n");
+ goto do_exit;
+ }
+
+ transp->udp_fd = -1;
+
+ rc = libusb_init(NULL);
+ if (rc < 0) {
+ fprintf(stderr, "libusb initialization failed\n");
+ goto do_exit;
+ }
+
+ print_welcome();
+
+ do {
+ if (transp->udp_fd < 0) {
+ struct usb_interface_match _ifm, *ifm = &_ifm;
+ ifm->vendor = vendor_id;
+ ifm->product = product_id;
+ ifm->configuration = config_id;
+ ifm->interface = if_num;
+ ifm->altsetting = altsetting;
+ ifm->addr = addr;
+ if (path)
+ osmo_strlcpy(ifm->path, path,
sizeof(ifm->path));
+ transp->usb_devh =
osmo_libusb_open_claim_interface(NULL, NULL, ifm);
+ if (!transp->usb_devh) {
+ fprintf(stderr, "can't open USB device\n");
+ goto close_exit;
+ }
+
+ rc = libusb_claim_interface(transp->usb_devh, if_num);
+ if (rc < 0) {
+ fprintf(stderr, "can't claim interface %d;
rc=%d\n", if_num, rc);
+ goto close_exit;
+ }
+
+ rc = osmo_libusb_get_ep_addrs(transp->usb_devh, if_num,
&transp->usb_ep.out,
+ &transp->usb_ep.in,
&transp->usb_ep.irq_in);
+ if (rc < 0) {
+ fprintf(stderr, "can't obtain EP addrs;
rc=%d\n", rc);
+ goto close_exit;
+ }
+ }
+
+ if (argc - optind <= 0) {
+ fprintf(stderr, "You have to specify a command to
execute\n");
+ exit(1);
+ }
+
+ rc = do_command(argc-optind, argv+optind);
+ switch (rc) {
+ case 0:
+ break;
+ case -EINVAL:
+ fprintf(stderr, "Error: Invalid command/syntax\n");
+ exit(1);
+ break;
+ default:
+ fprintf(stderr, "Error executing command: %d\n", rc);
+ exit(1);
+ break;
+ }
+
+ run_mainloop(ci);
+ ret = 0;
+
+ libusb_release_interface(transp->usb_devh, 0);
+close_exit:
+ if (transp->usb_devh)
+ libusb_close(transp->usb_devh);
+ } while (0);
+
+ libusb_exit(NULL);
+do_exit:
+ return ret;
+}
--
To view, visit https://gerrit.osmocom.org/c/simtrace2/+/24574
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Gerrit-Project: simtrace2
Gerrit-Branch: master
Gerrit-Change-Id: I3a8896ac2b3caef7590b51118359e5caed820a40
Gerrit-Change-Number: 24574
Gerrit-PatchSet: 1
Gerrit-Owner: laforge <lafo...@osmocom.org>
Gerrit-MessageType: newchange
