Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 1 | /* simtrace2-remsim - main program for the host PC |
| 2 | * |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 3 | * (C) 2010-2017 by Harald Welte <hwelte@hmw-consulting.de> |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 |
| 7 | * as published by the Free Software Foundation |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 17 | */ |
| 18 | |
| 19 | #include <errno.h> |
| 20 | #include <unistd.h> |
| 21 | #include <stdio.h> |
| 22 | #include <stdlib.h> |
| 23 | #include <string.h> |
| 24 | #include <stdint.h> |
Harald Welte | 1871c25 | 2016-03-20 15:30:46 +0100 | [diff] [blame] | 25 | #include <signal.h> |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 26 | #include <time.h> |
| 27 | #define _GNU_SOURCE |
| 28 | #include <getopt.h> |
| 29 | |
| 30 | #include <sys/time.h> |
| 31 | #include <sys/types.h> |
| 32 | #include <sys/socket.h> |
| 33 | #include <netinet/in.h> |
| 34 | #include <arpa/inet.h> |
| 35 | |
| 36 | #include <libusb.h> |
| 37 | |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 38 | #include "libusb_util.h" |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 39 | #include "simtrace.h" |
| 40 | #include "cardemu_prot.h" |
| 41 | #include "apdu_dispatch.h" |
Harald Welte | 236caf6 | 2016-03-19 21:28:09 +0100 | [diff] [blame] | 42 | #include "simtrace2-discovery.h" |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 43 | |
| 44 | #include <osmocom/core/gsmtap.h> |
| 45 | #include <osmocom/core/gsmtap_util.h> |
| 46 | #include <osmocom/core/utils.h> |
| 47 | #include <osmocom/core/socket.h> |
| 48 | #include <osmocom/sim/class_tables.h> |
| 49 | #include <osmocom/sim/sim.h> |
| 50 | |
| 51 | static struct gsmtap_inst *g_gti; |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 52 | |
| 53 | struct cardem_inst { |
| 54 | struct libusb_device_handle *usb_devh; |
| 55 | struct { |
| 56 | uint8_t in; |
| 57 | uint8_t out; |
| 58 | uint8_t irq_in; |
| 59 | } usb_ep; |
| 60 | const struct osim_cla_ins_card_profile *card_prof; |
| 61 | |
| 62 | int udp_fd; |
| 63 | struct osim_chan_hdl *chan; |
| 64 | }; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 65 | |
| 66 | static int gsmtap_send_sim(const uint8_t *apdu, unsigned int len) |
| 67 | { |
| 68 | struct gsmtap_hdr *gh; |
| 69 | unsigned int gross_len = len + sizeof(*gh); |
| 70 | uint8_t *buf = malloc(gross_len); |
| 71 | int rc; |
| 72 | |
| 73 | if (!buf) |
| 74 | return -ENOMEM; |
| 75 | |
| 76 | memset(buf, 0, sizeof(*gh)); |
| 77 | gh = (struct gsmtap_hdr *) buf; |
| 78 | gh->version = GSMTAP_VERSION; |
| 79 | gh->hdr_len = sizeof(*gh)/4; |
| 80 | gh->type = GSMTAP_TYPE_SIM; |
| 81 | |
| 82 | memcpy(buf + sizeof(*gh), apdu, len); |
| 83 | |
| 84 | rc = write(gsmtap_inst_fd(g_gti), buf, gross_len); |
| 85 | if (rc < 0) { |
| 86 | perror("write gsmtap"); |
| 87 | free(buf); |
| 88 | return rc; |
| 89 | } |
| 90 | |
| 91 | free(buf); |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | #if 0 |
| 96 | static void apdu_out_cb(uint8_t *buf, unsigned int len, void *user_data) |
| 97 | { |
| 98 | printf("APDU: %s\n", osmo_hexdump(buf, len)); |
| 99 | gsmtap_send_sim(buf, len); |
| 100 | } |
| 101 | #endif |
| 102 | |
| 103 | /*! \brief Transmit a given command to the SIMtrace2 device */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 104 | static int tx_to_dev(struct cardem_inst *ci, uint8_t *buf, unsigned int len) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 105 | { |
| 106 | struct cardemu_usb_msg_hdr *mh = (struct cardemu_usb_msg_hdr *) buf; |
| 107 | int xfer_len; |
| 108 | |
| 109 | mh->msg_len = len; |
| 110 | |
| 111 | printf("<- %s\n", osmo_hexdump(buf, len)); |
| 112 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 113 | if (ci->udp_fd < 0) { |
| 114 | return libusb_bulk_transfer(ci->usb_devh, ci->usb_ep.out, buf, len, |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 115 | &xfer_len, 100000); |
| 116 | } else { |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 117 | return write(ci->udp_fd, buf, len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 118 | } |
| 119 | } |
| 120 | |
| 121 | /*! \brief Request the SIMtrace2 to generate a card-insert signal */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 122 | static int request_card_insert(struct cardem_inst *ci, bool inserted) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 123 | { |
| 124 | struct cardemu_usb_msg_cardinsert cins; |
| 125 | |
| 126 | memset(&cins, 0, sizeof(cins)); |
| 127 | cins.hdr.msg_type = CEMU_USB_MSGT_DT_CARDINSERT; |
| 128 | if (inserted) |
| 129 | cins.card_insert = 1; |
| 130 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 131 | return tx_to_dev(ci, (uint8_t *)&cins, sizeof(cins)); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | /*! \brief Request the SIMtrace2 to transmit a Procedure Byte, then Rx */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 135 | static int request_pb_and_rx(struct cardem_inst *ci, uint8_t pb, uint8_t le) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 136 | { |
| 137 | struct cardemu_usb_msg_tx_data *txd; |
| 138 | uint8_t buf[sizeof(*txd) + 1]; |
| 139 | txd = (struct cardemu_usb_msg_tx_data *) buf; |
| 140 | |
| 141 | printf("<= request_pb_and_rx(%02x, %d)\n", pb, le); |
| 142 | |
| 143 | memset(txd, 0, sizeof(*txd)); |
| 144 | txd->data_len = 1; |
| 145 | txd->hdr.msg_type = CEMU_USB_MSGT_DT_TX_DATA; |
| 146 | txd->flags = CEMU_DATA_F_PB_AND_RX; |
| 147 | txd->data[0] = pb; |
| 148 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 149 | return tx_to_dev(ci, (uint8_t *)txd, sizeof(*txd)+txd->data_len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 150 | } |
| 151 | |
| 152 | /*! \brief Request the SIMtrace2 to transmit a Procedure Byte, then Tx */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 153 | static int request_pb_and_tx(struct cardem_inst *ci, uint8_t pb, const uint8_t *data, uint8_t data_len_in) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 154 | { |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 155 | struct cardemu_usb_msg_tx_data *txd; |
| 156 | uint8_t buf[sizeof(*txd) + 1 + data_len_in]; |
| 157 | txd = (struct cardemu_usb_msg_tx_data *) buf; |
| 158 | |
| 159 | printf("<= request_pb_and_tx(%02x, %s, %d)\n", pb, osmo_hexdump(data, data_len_in), data_len_in); |
| 160 | |
| 161 | memset(txd, 0, sizeof(*txd)); |
| 162 | txd->hdr.msg_type = CEMU_USB_MSGT_DT_TX_DATA; |
| 163 | txd->data_len = 1 + data_len_in; |
| 164 | txd->flags = CEMU_DATA_F_PB_AND_TX; |
| 165 | txd->data[0] = pb; |
| 166 | memcpy(txd->data+1, data, data_len_in); |
| 167 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 168 | return tx_to_dev(ci, buf, sizeof(*txd)+txd->data_len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | /*! \brief Request the SIMtrace2 to send a Status Word */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 172 | static int request_sw_tx(struct cardem_inst *ci, const uint8_t *sw) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 173 | { |
| 174 | struct cardemu_usb_msg_tx_data *txd; |
| 175 | uint8_t buf[sizeof(*txd) + 2]; |
| 176 | txd = (struct cardemu_usb_msg_tx_data *) buf; |
| 177 | |
| 178 | printf("<= request_sw_tx(%02x %02x)\n", sw[0], sw[1]); |
| 179 | |
| 180 | memset(txd, 0, sizeof(*txd)); |
| 181 | txd->hdr.msg_type = CEMU_USB_MSGT_DT_TX_DATA; |
| 182 | txd->data_len = 2; |
| 183 | txd->flags = CEMU_DATA_F_PB_AND_TX | CEMU_DATA_F_FINAL; |
| 184 | txd->data[0] = sw[0]; |
| 185 | txd->data[1] = sw[1]; |
| 186 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 187 | return tx_to_dev(ci, (uint8_t *)txd, sizeof(*txd)+txd->data_len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 188 | } |
| 189 | |
Harald Welte | 9daaa79 | 2016-03-20 15:01:20 +0100 | [diff] [blame] | 190 | static void atr_update_csum(uint8_t *atr, unsigned int atr_len) |
| 191 | { |
| 192 | uint8_t csum = 0; |
| 193 | int i; |
| 194 | |
| 195 | for (i = 1; i < atr_len - 1; i++) |
| 196 | csum = csum ^ atr[i]; |
| 197 | |
| 198 | atr[atr_len-1] = csum; |
| 199 | } |
| 200 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 201 | static int request_set_atr(struct cardem_inst *ci, const uint8_t *atr, unsigned int atr_len) |
Harald Welte | 9daaa79 | 2016-03-20 15:01:20 +0100 | [diff] [blame] | 202 | { |
| 203 | struct cardemu_usb_msg_set_atr *satr; |
| 204 | uint8_t buf[sizeof(*satr) + atr_len]; |
| 205 | satr = (struct cardemu_usb_msg_set_atr *) buf; |
| 206 | |
| 207 | printf("<= request_set_atr(%s)\n", osmo_hexdump(atr, atr_len)); |
| 208 | |
| 209 | memset(satr, 0, sizeof(*satr)); |
| 210 | satr->hdr.msg_type = CEMU_USB_MSGT_DT_SET_ATR; |
| 211 | satr->atr_len = atr_len; |
| 212 | memcpy(satr->atr, atr, atr_len); |
| 213 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 214 | return tx_to_dev(ci, (uint8_t *)satr, sizeof(buf)); |
Harald Welte | 9daaa79 | 2016-03-20 15:01:20 +0100 | [diff] [blame] | 215 | } |
| 216 | |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 217 | /*! \brief Process a STATUS message from the SIMtrace2 */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 218 | static int process_do_status(struct cardem_inst *ci, uint8_t *buf, int len) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 219 | { |
| 220 | struct cardemu_usb_msg_status *status; |
| 221 | status = (struct cardemu_usb_msg_status *) buf; |
| 222 | |
| 223 | printf("=> STATUS: flags=0x%x, fi=%u, di=%u, wi=%u wtime=%u\n", |
| 224 | status->flags, status->fi, status->di, status->wi, |
| 225 | status->waiting_time); |
| 226 | |
| 227 | return 0; |
| 228 | } |
| 229 | |
| 230 | /*! \brief Process a PTS indication message from the SIMtrace2 */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 231 | static int process_do_pts(struct cardem_inst *ci, uint8_t *buf, int len) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 232 | { |
| 233 | struct cardemu_usb_msg_pts_info *pts; |
| 234 | pts = (struct cardemu_usb_msg_pts_info *) buf; |
| 235 | |
| 236 | printf("=> PTS req: %s\n", osmo_hexdump(pts->req, sizeof(pts->req))); |
| 237 | |
| 238 | return 0; |
| 239 | } |
| 240 | |
| 241 | /*! \brief Process a ERROR indication message from the SIMtrace2 */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 242 | static int process_do_error(struct cardem_inst *ci, uint8_t *buf, int len) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 243 | { |
| 244 | struct cardemu_usb_msg_error *err; |
| 245 | err = (struct cardemu_usb_msg_error *) buf; |
| 246 | |
| 247 | printf("=> ERROR: %u/%u/%u: %s\n", |
| 248 | err->severity, err->subsystem, err->code, |
Harald Welte | b170ea9 | 2017-03-06 18:59:41 +0100 | [diff] [blame] | 249 | err->msg_len ? (char *)err->msg : ""); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | /*! \brief Process a RX-DATA indication message from the SIMtrace2 */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 255 | static int process_do_rx_da(struct cardem_inst *ci, uint8_t *buf, int len) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 256 | { |
| 257 | static struct apdu_context ac; |
| 258 | struct cardemu_usb_msg_rx_data *data; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 259 | int rc; |
| 260 | |
| 261 | data = (struct cardemu_usb_msg_rx_data *) buf; |
| 262 | |
| 263 | printf("=> DATA: flags=%x, %s: ", data->flags, |
| 264 | osmo_hexdump(data->data, data->data_len)); |
| 265 | |
| 266 | rc = apdu_segment_in(&ac, data->data, data->data_len, |
| 267 | data->flags & CEMU_DATA_F_TPDU_HDR); |
| 268 | |
| 269 | if (rc & APDU_ACT_TX_CAPDU_TO_CARD) { |
| 270 | struct msgb *tmsg = msgb_alloc(1024, "TPDU"); |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 271 | struct osim_reader_hdl *rh = ci->chan->card->reader; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 272 | uint8_t *cur; |
| 273 | |
| 274 | /* Copy TPDU header */ |
| 275 | cur = msgb_put(tmsg, sizeof(ac.hdr)); |
| 276 | memcpy(cur, &ac.hdr, sizeof(ac.hdr)); |
| 277 | /* Copy D(c), if any */ |
| 278 | if (ac.lc.tot) { |
| 279 | cur = msgb_put(tmsg, ac.lc.tot); |
| 280 | memcpy(cur, ac.dc, ac.lc.tot); |
| 281 | } |
| 282 | /* send to actual card */ |
| 283 | tmsg->l3h = tmsg->tail; |
| 284 | rc = rh->ops->transceive(rh, tmsg); |
| 285 | if (rc < 0) { |
| 286 | fprintf(stderr, "error during transceive: %d\n", rc); |
| 287 | msgb_free(tmsg); |
| 288 | return rc; |
| 289 | } |
| 290 | msgb_apdu_sw(tmsg) = msgb_get_u16(tmsg); |
| 291 | ac.sw[0] = msgb_apdu_sw(tmsg) >> 8; |
| 292 | ac.sw[1] = msgb_apdu_sw(tmsg) & 0xff; |
| 293 | printf("SW=0x%04x, len_rx=%d\n", msgb_apdu_sw(tmsg), msgb_l3len(tmsg)); |
| 294 | if (msgb_l3len(tmsg)) |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 295 | request_pb_and_tx(ci, ac.hdr.ins, tmsg->l3h, msgb_l3len(tmsg)); |
| 296 | request_sw_tx(ci, ac.sw); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 297 | } else if (ac.lc.tot > ac.lc.cur) { |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 298 | request_pb_and_rx(ci, ac.hdr.ins, ac.lc.tot - ac.lc.cur); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 299 | } |
| 300 | return 0; |
| 301 | } |
| 302 | |
| 303 | /*! \brief Process an incoming message from the SIMtrace2 */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 304 | static int process_usb_msg(struct cardem_inst *ci, uint8_t *buf, int len) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 305 | { |
| 306 | struct cardemu_usb_msg_hdr *sh = (struct cardemu_usb_msg_hdr *)buf; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 307 | int rc; |
| 308 | |
| 309 | printf("-> %s\n", osmo_hexdump(buf, len)); |
| 310 | |
| 311 | switch (sh->msg_type) { |
| 312 | case CEMU_USB_MSGT_DO_STATUS: |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 313 | rc = process_do_status(ci, buf, len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 314 | break; |
| 315 | case CEMU_USB_MSGT_DO_PTS: |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 316 | rc = process_do_pts(ci, buf, len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 317 | break; |
| 318 | case CEMU_USB_MSGT_DO_ERROR: |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 319 | rc = process_do_error(ci, buf, len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 320 | break; |
| 321 | case CEMU_USB_MSGT_DO_RX_DATA: |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 322 | rc = process_do_rx_da(ci, buf, len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 323 | break; |
| 324 | default: |
| 325 | printf("unknown simtrace msg type 0x%02x\n", sh->msg_type); |
| 326 | rc = -1; |
| 327 | break; |
| 328 | } |
| 329 | |
| 330 | return rc; |
| 331 | } |
| 332 | |
| 333 | static void print_welcome(void) |
| 334 | { |
| 335 | printf("simtrace2-remsim - Remote SIM card forwarding\n" |
Harald Welte | b170ea9 | 2017-03-06 18:59:41 +0100 | [diff] [blame] | 336 | "(C) 2010-2017 by Harald Welte <laforge@gnumonks.org>\n\n"); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 337 | } |
| 338 | |
| 339 | static void print_help(void) |
| 340 | { |
Harald Welte | 62bfd8a | 2017-03-06 20:56:14 +0100 | [diff] [blame] | 341 | printf( "\t-r\t--remote-udp-host HOST\n" |
| 342 | "\t-p\t--remote-udp-port PORT\n" |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 343 | "\t-h\t--help\n" |
Harald Welte | 62bfd8a | 2017-03-06 20:56:14 +0100 | [diff] [blame] | 344 | "\t-i\t--gsmtap-ip\tA.B.C.D\n" |
| 345 | "\t-a\t--skip-atr\n" |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 346 | "\t-k\t--keep-running\n" |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 347 | "\t-V\t--usb-vendor\tVENDOR_ID\n" |
| 348 | "\t-P\t--usb-product\tPRODUCT_ID\n" |
| 349 | "\t-C\t--usb-config\tCONFIG_ID\n" |
| 350 | "\t-I\t--usb-interface\tINTERFACE_ID\n" |
| 351 | "\t-S\t--usb-altsetting ALTSETTING_ID\n" |
| 352 | "\t-A\t--usb-address\tADDRESS\n" |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 353 | "\n" |
| 354 | ); |
| 355 | } |
| 356 | |
| 357 | static const struct option opts[] = { |
Harald Welte | 62bfd8a | 2017-03-06 20:56:14 +0100 | [diff] [blame] | 358 | { "remote-udp-host", 1, 0, 'r' }, |
| 359 | { "remote-udp-port", 1, 0, 'p' }, |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 360 | { "gsmtap-ip", 1, 0, 'i' }, |
| 361 | { "skip-atr", 0, 0, 'a' }, |
| 362 | { "help", 0, 0, 'h' }, |
| 363 | { "keep-running", 0, 0, 'k' }, |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 364 | { "usb-vendor", 1, 0, 'V' }, |
| 365 | { "usb-product", 1, 0, 'P' }, |
| 366 | { "usb-config", 1, 0, 'C' }, |
| 367 | { "usb-interface", 1, 0, 'I' }, |
| 368 | { "usb-altsetting", 1, 0, 'S' }, |
| 369 | { "usb-address", 1, 0, 'A' }, |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 370 | { NULL, 0, 0, 0 } |
| 371 | }; |
| 372 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 373 | static void run_mainloop(struct cardem_inst *ci) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 374 | { |
| 375 | unsigned int msg_count, byte_count = 0; |
Harald Welte | b170ea9 | 2017-03-06 18:59:41 +0100 | [diff] [blame] | 376 | uint8_t buf[16*265]; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 377 | int xfer_len; |
| 378 | int rc; |
| 379 | |
| 380 | printf("Entering main loop\n"); |
| 381 | |
| 382 | while (1) { |
| 383 | /* read data from SIMtrace2 device (local or via USB) */ |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 384 | if (ci->udp_fd < 0) { |
| 385 | rc = libusb_bulk_transfer(ci->usb_devh, ci->usb_ep.in, |
| 386 | buf, sizeof(buf), &xfer_len, 100000); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 387 | if (rc < 0 && rc != LIBUSB_ERROR_TIMEOUT) { |
| 388 | fprintf(stderr, "BULK IN transfer error; rc=%d\n", rc); |
| 389 | return; |
| 390 | } |
| 391 | } else { |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 392 | rc = read(ci->udp_fd, buf, sizeof(buf)); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 393 | if (rc <= 0) { |
| 394 | fprintf(stderr, "shor read from UDP\n"); |
| 395 | return; |
| 396 | } |
| 397 | xfer_len = rc; |
| 398 | } |
| 399 | /* dispatch any incoming data */ |
| 400 | if (xfer_len > 0) { |
| 401 | //printf("URB: %s\n", osmo_hexdump(buf, rc)); |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 402 | process_usb_msg(ci, buf, xfer_len); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 403 | msg_count++; |
| 404 | byte_count += xfer_len; |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 409 | struct cardem_inst _ci, *ci = &_ci; |
| 410 | |
Harald Welte | 1871c25 | 2016-03-20 15:30:46 +0100 | [diff] [blame] | 411 | static void signal_handler(int signal) |
| 412 | { |
| 413 | switch (signal) { |
| 414 | case SIGINT: |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 415 | request_card_insert(ci, false); |
Harald Welte | 1871c25 | 2016-03-20 15:30:46 +0100 | [diff] [blame] | 416 | exit(0); |
| 417 | break; |
| 418 | default: |
| 419 | break; |
| 420 | } |
| 421 | } |
| 422 | |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 423 | int main(int argc, char **argv) |
| 424 | { |
| 425 | char *gsmtap_host = "127.0.0.1"; |
| 426 | int rc; |
| 427 | int c, ret = 1; |
| 428 | int skip_atr = 0; |
| 429 | int keep_running = 0; |
| 430 | int remote_udp_port = 52342; |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 431 | int if_num = 0, vendor_id = -1, product_id = -1; |
| 432 | int config_id = -1, altsetting = 0, addr = -1; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 433 | char *remote_udp_host = NULL; |
| 434 | struct osim_reader_hdl *reader; |
| 435 | struct osim_card_hdl *card; |
| 436 | |
| 437 | print_welcome(); |
| 438 | |
| 439 | while (1) { |
| 440 | int option_index = 0; |
| 441 | |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 442 | c = getopt_long(argc, argv, "r:p:hi:V:P:C:I:S:A:ak", opts, &option_index); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 443 | if (c == -1) |
| 444 | break; |
| 445 | switch (c) { |
| 446 | case 'r': |
| 447 | remote_udp_host = optarg; |
| 448 | break; |
| 449 | case 'p': |
| 450 | remote_udp_port = atoi(optarg); |
| 451 | break; |
| 452 | case 'h': |
| 453 | print_help(); |
| 454 | exit(0); |
| 455 | break; |
| 456 | case 'i': |
| 457 | gsmtap_host = optarg; |
| 458 | break; |
| 459 | case 'a': |
| 460 | skip_atr = 1; |
| 461 | break; |
| 462 | case 'k': |
| 463 | keep_running = 1; |
| 464 | break; |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 465 | case 'V': |
| 466 | vendor_id = strtol(optarg, NULL, 16); |
| 467 | break; |
| 468 | case 'P': |
| 469 | product_id = strtol(optarg, NULL, 16); |
| 470 | break; |
| 471 | case 'C': |
| 472 | config_id = atoi(optarg); |
| 473 | break; |
| 474 | case 'I': |
| 475 | if_num = atoi(optarg); |
| 476 | break; |
| 477 | case 'S': |
| 478 | altsetting = atoi(optarg); |
| 479 | break; |
| 480 | case 'A': |
| 481 | addr = atoi(optarg); |
| 482 | break; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 483 | } |
| 484 | } |
| 485 | |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 486 | if (!remote_udp_host && (vendor_id < 0 || product_id < 0)) { |
| 487 | fprintf(stderr, "You have to specify the vendor and product ID\n"); |
| 488 | goto do_exit; |
| 489 | } |
| 490 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 491 | memset(ci, 0, sizeof(*ci)); |
| 492 | ci->udp_fd = -1; |
| 493 | |
| 494 | ci->card_prof = &osim_uicc_sim_cic_profile; |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 495 | |
| 496 | if (!remote_udp_host) { |
| 497 | rc = libusb_init(NULL); |
| 498 | if (rc < 0) { |
| 499 | fprintf(stderr, "libusb initialization failed\n"); |
| 500 | goto do_exit; |
| 501 | } |
| 502 | } else { |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 503 | ci->udp_fd = osmo_sock_init(AF_INET, SOCK_DGRAM, IPPROTO_UDP, remote_udp_host, |
| 504 | remote_udp_port+if_num, OSMO_SOCK_F_CONNECT); |
| 505 | if (ci->udp_fd < 0) { |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 506 | fprintf(stderr, "error binding UDP port\n"); |
| 507 | goto do_exit; |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | g_gti = gsmtap_source_init(gsmtap_host, GSMTAP_UDP_PORT, 0); |
| 512 | if (!g_gti) { |
| 513 | perror("unable to open GSMTAP"); |
| 514 | goto close_exit; |
| 515 | } |
| 516 | gsmtap_source_add_sink(g_gti); |
| 517 | |
| 518 | reader = osim_reader_open(OSIM_READER_DRV_PCSC, 0, "", NULL); |
| 519 | if (!reader) { |
| 520 | perror("unable to open PC/SC reader"); |
| 521 | goto close_exit; |
| 522 | } |
| 523 | |
| 524 | card = osim_card_open(reader, OSIM_PROTO_T0); |
| 525 | if (!card) { |
| 526 | perror("unable to open SIM card"); |
| 527 | goto close_exit; |
| 528 | } |
| 529 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 530 | ci->chan = llist_entry(card->channels.next, struct osim_chan_hdl, list); |
| 531 | if (!ci->chan) { |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 532 | perror("SIM card has no channel?!?"); |
| 533 | goto close_exit; |
| 534 | } |
| 535 | |
Harald Welte | 1871c25 | 2016-03-20 15:30:46 +0100 | [diff] [blame] | 536 | signal(SIGINT, &signal_handler); |
| 537 | |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 538 | do { |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 539 | if (ci->udp_fd < 0) { |
Harald Welte | 822d66e | 2017-03-06 20:58:03 +0100 | [diff] [blame^] | 540 | struct usb_interface_match _ifm, *ifm = &_ifm; |
| 541 | ifm->vendor = vendor_id; |
| 542 | ifm->product = product_id; |
| 543 | ifm->configuration = config_id; |
| 544 | ifm->interface = if_num; |
| 545 | ifm->altsetting = altsetting; |
| 546 | ifm->addr = addr; |
| 547 | ci->usb_devh = usb_open_claim_interface(NULL, ifm); |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 548 | if (!ci->usb_devh) { |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 549 | fprintf(stderr, "can't open USB device\n"); |
| 550 | goto close_exit; |
| 551 | } |
| 552 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 553 | rc = libusb_claim_interface(ci->usb_devh, if_num); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 554 | if (rc < 0) { |
Harald Welte | 236caf6 | 2016-03-19 21:28:09 +0100 | [diff] [blame] | 555 | fprintf(stderr, "can't claim interface %d; rc=%d\n", if_num, rc); |
| 556 | goto close_exit; |
| 557 | } |
| 558 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 559 | rc = get_usb_ep_addrs(ci->usb_devh, if_num, &ci->usb_ep.out, |
| 560 | &ci->usb_ep.in, &ci->usb_ep.irq_in); |
Harald Welte | 236caf6 | 2016-03-19 21:28:09 +0100 | [diff] [blame] | 561 | if (rc < 0) { |
| 562 | fprintf(stderr, "can't obtain EP addrs; rc=%d\n", rc); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 563 | goto close_exit; |
| 564 | } |
| 565 | } |
| 566 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 567 | request_card_insert(ci, true); |
Harald Welte | 9daaa79 | 2016-03-20 15:01:20 +0100 | [diff] [blame] | 568 | uint8_t real_atr[] = { 0x3B, 0x9F, 0x96, 0x80, 0x1F, 0xC7, 0x80, 0x31, |
| 569 | 0xA0, 0x73, 0xBE, 0x21, 0x13, 0x67, 0x43, 0x20, |
| 570 | 0x07, 0x18, 0x00, 0x00, 0x01, 0xA5 }; |
| 571 | atr_update_csum(real_atr, sizeof(real_atr)); |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 572 | request_set_atr(ci, real_atr, sizeof(real_atr)); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 573 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 574 | run_mainloop(ci); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 575 | ret = 0; |
| 576 | |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 577 | if (ci->udp_fd < 0) |
| 578 | libusb_release_interface(ci->usb_devh, 0); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 579 | close_exit: |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 580 | if (ci->usb_devh) |
| 581 | libusb_close(ci->usb_devh); |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 582 | if (keep_running) |
| 583 | sleep(1); |
| 584 | } while (keep_running); |
| 585 | |
| 586 | release_exit: |
Harald Welte | 2ba03bb | 2017-03-06 18:51:39 +0100 | [diff] [blame] | 587 | if (ci->udp_fd < 0) |
Harald Welte | 095ac6c | 2016-03-19 13:39:33 +0100 | [diff] [blame] | 588 | libusb_exit(NULL); |
| 589 | do_exit: |
| 590 | return ret; |
| 591 | } |