mirror of https://gerrit.osmocom.org/simtrace2
simtrace2-remsim: Move away from global variables
When we want to run multiple instances of the card-emulator (e.g. for multi-modem/multi-card versions of the hardware), the code shouldn't be using any global variables but have them per-instance.
This commit is contained in:
parent
abba8a8d85
commit
2ba03bb9fc
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@ -1,6 +1,6 @@
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/* simtrace2-remsim - main program for the host PC
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/* simtrace2-remsim - main program for the host PC
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*
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*
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* (C) 2010-2016 by Harald Welte <hwelte@hmw-consulting.de>
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* (C) 2010-2017 by Harald Welte <hwelte@hmw-consulting.de>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* it under the terms of the GNU General Public License version 2
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@ -48,12 +48,19 @@
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#include <osmocom/sim/sim.h>
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#include <osmocom/sim/sim.h>
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static struct gsmtap_inst *g_gti;
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static struct gsmtap_inst *g_gti;
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struct libusb_device_handle *g_devh;
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const struct osim_cla_ins_card_profile *g_prof;
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struct cardem_inst {
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static uint8_t g_in_ep;
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struct libusb_device_handle *usb_devh;
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static uint8_t g_out_ep;
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struct {
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static int g_udp_fd = -1;
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uint8_t in;
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static struct osim_chan_hdl *g_chan;
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uint8_t out;
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uint8_t irq_in;
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} usb_ep;
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const struct osim_cla_ins_card_profile *card_prof;
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int udp_fd;
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struct osim_chan_hdl *chan;
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};
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static int gsmtap_send_sim(const uint8_t *apdu, unsigned int len)
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static int gsmtap_send_sim(const uint8_t *apdu, unsigned int len)
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{
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{
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@ -93,7 +100,7 @@ static void apdu_out_cb(uint8_t *buf, unsigned int len, void *user_data)
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#endif
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#endif
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/*! \brief Transmit a given command to the SIMtrace2 device */
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/*! \brief Transmit a given command to the SIMtrace2 device */
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static int tx_to_dev(uint8_t *buf, unsigned int len)
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static int tx_to_dev(struct cardem_inst *ci, uint8_t *buf, unsigned int len)
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{
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{
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struct cardemu_usb_msg_hdr *mh = (struct cardemu_usb_msg_hdr *) buf;
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struct cardemu_usb_msg_hdr *mh = (struct cardemu_usb_msg_hdr *) buf;
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int xfer_len;
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int xfer_len;
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@ -102,16 +109,16 @@ static int tx_to_dev(uint8_t *buf, unsigned int len)
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printf("<- %s\n", osmo_hexdump(buf, len));
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printf("<- %s\n", osmo_hexdump(buf, len));
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if (g_udp_fd < 0) {
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if (ci->udp_fd < 0) {
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return libusb_bulk_transfer(g_devh, g_out_ep, buf, len,
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return libusb_bulk_transfer(ci->usb_devh, ci->usb_ep.out, buf, len,
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&xfer_len, 100000);
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&xfer_len, 100000);
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} else {
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} else {
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return write(g_udp_fd, buf, len);
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return write(ci->udp_fd, buf, len);
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}
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}
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}
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}
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/*! \brief Request the SIMtrace2 to generate a card-insert signal */
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/*! \brief Request the SIMtrace2 to generate a card-insert signal */
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static int request_card_insert(bool inserted)
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static int request_card_insert(struct cardem_inst *ci, bool inserted)
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{
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{
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struct cardemu_usb_msg_cardinsert cins;
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struct cardemu_usb_msg_cardinsert cins;
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@ -120,11 +127,11 @@ static int request_card_insert(bool inserted)
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if (inserted)
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if (inserted)
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cins.card_insert = 1;
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cins.card_insert = 1;
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return tx_to_dev((uint8_t *)&cins, sizeof(cins));
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return tx_to_dev(ci, (uint8_t *)&cins, sizeof(cins));
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}
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}
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/*! \brief Request the SIMtrace2 to transmit a Procedure Byte, then Rx */
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/*! \brief Request the SIMtrace2 to transmit a Procedure Byte, then Rx */
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static int request_pb_and_rx(uint8_t pb, uint8_t le)
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static int request_pb_and_rx(struct cardem_inst *ci, uint8_t pb, uint8_t le)
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{
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{
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struct cardemu_usb_msg_tx_data *txd;
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struct cardemu_usb_msg_tx_data *txd;
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uint8_t buf[sizeof(*txd) + 1];
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uint8_t buf[sizeof(*txd) + 1];
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@ -138,11 +145,11 @@ static int request_pb_and_rx(uint8_t pb, uint8_t le)
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txd->flags = CEMU_DATA_F_PB_AND_RX;
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txd->flags = CEMU_DATA_F_PB_AND_RX;
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txd->data[0] = pb;
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txd->data[0] = pb;
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return tx_to_dev((uint8_t *)txd, sizeof(*txd)+txd->data_len);
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return tx_to_dev(ci, (uint8_t *)txd, sizeof(*txd)+txd->data_len);
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}
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}
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/*! \brief Request the SIMtrace2 to transmit a Procedure Byte, then Tx */
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/*! \brief Request the SIMtrace2 to transmit a Procedure Byte, then Tx */
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static int request_pb_and_tx(uint8_t pb, const uint8_t *data, uint8_t data_len_in)
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static int request_pb_and_tx(struct cardem_inst *ci, uint8_t pb, const uint8_t *data, uint8_t data_len_in)
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{
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{
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uint32_t data_len = data_len_in;
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uint32_t data_len = data_len_in;
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struct cardemu_usb_msg_tx_data *txd;
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struct cardemu_usb_msg_tx_data *txd;
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@ -158,11 +165,11 @@ static int request_pb_and_tx(uint8_t pb, const uint8_t *data, uint8_t data_len_i
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txd->data[0] = pb;
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txd->data[0] = pb;
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memcpy(txd->data+1, data, data_len_in);
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memcpy(txd->data+1, data, data_len_in);
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return tx_to_dev(buf, sizeof(*txd)+txd->data_len);
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return tx_to_dev(ci, buf, sizeof(*txd)+txd->data_len);
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}
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}
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/*! \brief Request the SIMtrace2 to send a Status Word */
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/*! \brief Request the SIMtrace2 to send a Status Word */
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static int request_sw_tx(const uint8_t *sw)
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static int request_sw_tx(struct cardem_inst *ci, const uint8_t *sw)
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{
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{
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struct cardemu_usb_msg_tx_data *txd;
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struct cardemu_usb_msg_tx_data *txd;
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uint8_t buf[sizeof(*txd) + 2];
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uint8_t buf[sizeof(*txd) + 2];
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@ -177,7 +184,7 @@ static int request_sw_tx(const uint8_t *sw)
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txd->data[0] = sw[0];
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txd->data[0] = sw[0];
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txd->data[1] = sw[1];
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txd->data[1] = sw[1];
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return tx_to_dev((uint8_t *)txd, sizeof(*txd)+txd->data_len);
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return tx_to_dev(ci, (uint8_t *)txd, sizeof(*txd)+txd->data_len);
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}
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}
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static void atr_update_csum(uint8_t *atr, unsigned int atr_len)
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static void atr_update_csum(uint8_t *atr, unsigned int atr_len)
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@ -191,7 +198,7 @@ static void atr_update_csum(uint8_t *atr, unsigned int atr_len)
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atr[atr_len-1] = csum;
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atr[atr_len-1] = csum;
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}
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}
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static int request_set_atr(const uint8_t *atr, unsigned int atr_len)
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static int request_set_atr(struct cardem_inst *ci, const uint8_t *atr, unsigned int atr_len)
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{
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{
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struct cardemu_usb_msg_set_atr *satr;
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struct cardemu_usb_msg_set_atr *satr;
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uint8_t buf[sizeof(*satr) + atr_len];
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uint8_t buf[sizeof(*satr) + atr_len];
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@ -204,11 +211,11 @@ static int request_set_atr(const uint8_t *atr, unsigned int atr_len)
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satr->atr_len = atr_len;
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satr->atr_len = atr_len;
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memcpy(satr->atr, atr, atr_len);
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memcpy(satr->atr, atr, atr_len);
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return tx_to_dev((uint8_t *)satr, sizeof(buf));
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return tx_to_dev(ci, (uint8_t *)satr, sizeof(buf));
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}
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}
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/*! \brief Process a STATUS message from the SIMtrace2 */
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/*! \brief Process a STATUS message from the SIMtrace2 */
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static int process_do_status(uint8_t *buf, int len)
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static int process_do_status(struct cardem_inst *ci, uint8_t *buf, int len)
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{
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{
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struct cardemu_usb_msg_status *status;
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struct cardemu_usb_msg_status *status;
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status = (struct cardemu_usb_msg_status *) buf;
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status = (struct cardemu_usb_msg_status *) buf;
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@ -221,7 +228,7 @@ static int process_do_status(uint8_t *buf, int len)
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}
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}
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/*! \brief Process a PTS indication message from the SIMtrace2 */
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/*! \brief Process a PTS indication message from the SIMtrace2 */
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static int process_do_pts(uint8_t *buf, int len)
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static int process_do_pts(struct cardem_inst *ci, uint8_t *buf, int len)
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{
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{
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struct cardemu_usb_msg_pts_info *pts;
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struct cardemu_usb_msg_pts_info *pts;
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pts = (struct cardemu_usb_msg_pts_info *) buf;
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pts = (struct cardemu_usb_msg_pts_info *) buf;
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@ -232,7 +239,7 @@ static int process_do_pts(uint8_t *buf, int len)
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}
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}
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/*! \brief Process a ERROR indication message from the SIMtrace2 */
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/*! \brief Process a ERROR indication message from the SIMtrace2 */
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static int process_do_error(uint8_t *buf, int len)
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static int process_do_error(struct cardem_inst *ci, uint8_t *buf, int len)
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{
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{
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struct cardemu_usb_msg_error *err;
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struct cardemu_usb_msg_error *err;
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err = (struct cardemu_usb_msg_error *) buf;
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err = (struct cardemu_usb_msg_error *) buf;
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@ -245,7 +252,7 @@ static int process_do_error(uint8_t *buf, int len)
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}
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}
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/*! \brief Process a RX-DATA indication message from the SIMtrace2 */
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/*! \brief Process a RX-DATA indication message from the SIMtrace2 */
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static int process_do_rx_da(uint8_t *buf, int len)
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static int process_do_rx_da(struct cardem_inst *ci, uint8_t *buf, int len)
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{
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{
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static struct apdu_context ac;
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static struct apdu_context ac;
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struct cardemu_usb_msg_rx_data *data;
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struct cardemu_usb_msg_rx_data *data;
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@ -262,7 +269,7 @@ static int process_do_rx_da(uint8_t *buf, int len)
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if (rc & APDU_ACT_TX_CAPDU_TO_CARD) {
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if (rc & APDU_ACT_TX_CAPDU_TO_CARD) {
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struct msgb *tmsg = msgb_alloc(1024, "TPDU");
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struct msgb *tmsg = msgb_alloc(1024, "TPDU");
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struct osim_reader_hdl *rh = g_chan->card->reader;
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struct osim_reader_hdl *rh = ci->chan->card->reader;
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uint8_t *cur;
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uint8_t *cur;
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/* Copy TPDU header */
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/* Copy TPDU header */
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@ -286,16 +293,16 @@ static int process_do_rx_da(uint8_t *buf, int len)
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ac.sw[1] = msgb_apdu_sw(tmsg) & 0xff;
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ac.sw[1] = msgb_apdu_sw(tmsg) & 0xff;
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printf("SW=0x%04x, len_rx=%d\n", msgb_apdu_sw(tmsg), msgb_l3len(tmsg));
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printf("SW=0x%04x, len_rx=%d\n", msgb_apdu_sw(tmsg), msgb_l3len(tmsg));
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if (msgb_l3len(tmsg))
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if (msgb_l3len(tmsg))
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request_pb_and_tx(ac.hdr.ins, tmsg->l3h, msgb_l3len(tmsg));
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request_pb_and_tx(ci, ac.hdr.ins, tmsg->l3h, msgb_l3len(tmsg));
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request_sw_tx(ac.sw);
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request_sw_tx(ci, ac.sw);
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} else if (ac.lc.tot > ac.lc.cur) {
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} else if (ac.lc.tot > ac.lc.cur) {
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request_pb_and_rx(ac.hdr.ins, ac.lc.tot - ac.lc.cur);
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request_pb_and_rx(ci, ac.hdr.ins, ac.lc.tot - ac.lc.cur);
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}
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}
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return 0;
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return 0;
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}
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}
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/*! \brief Process an incoming message from the SIMtrace2 */
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/*! \brief Process an incoming message from the SIMtrace2 */
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static int process_usb_msg(uint8_t *buf, int len)
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static int process_usb_msg(struct cardem_inst *ci, uint8_t *buf, int len)
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{
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{
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struct cardemu_usb_msg_hdr *sh = (struct cardemu_usb_msg_hdr *)buf;
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struct cardemu_usb_msg_hdr *sh = (struct cardemu_usb_msg_hdr *)buf;
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uint8_t *payload;
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uint8_t *payload;
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@ -306,16 +313,16 @@ static int process_usb_msg(uint8_t *buf, int len)
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switch (sh->msg_type) {
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switch (sh->msg_type) {
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case CEMU_USB_MSGT_DO_STATUS:
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case CEMU_USB_MSGT_DO_STATUS:
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rc = process_do_status(buf, len);
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rc = process_do_status(ci, buf, len);
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break;
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break;
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case CEMU_USB_MSGT_DO_PTS:
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case CEMU_USB_MSGT_DO_PTS:
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rc = process_do_pts(buf, len);
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rc = process_do_pts(ci, buf, len);
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break;
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break;
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case CEMU_USB_MSGT_DO_ERROR:
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case CEMU_USB_MSGT_DO_ERROR:
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rc = process_do_error(buf, len);
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rc = process_do_error(ci, buf, len);
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break;
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break;
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case CEMU_USB_MSGT_DO_RX_DATA:
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case CEMU_USB_MSGT_DO_RX_DATA:
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rc = process_do_rx_da(buf, len);
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rc = process_do_rx_da(ci, buf, len);
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break;
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break;
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default:
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default:
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printf("unknown simtrace msg type 0x%02x\n", sh->msg_type);
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printf("unknown simtrace msg type 0x%02x\n", sh->msg_type);
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@ -350,7 +357,7 @@ static const struct option opts[] = {
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{ NULL, 0, 0, 0 }
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{ NULL, 0, 0, 0 }
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};
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};
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static void run_mainloop(void)
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static void run_mainloop(struct cardem_inst *ci)
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{
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{
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unsigned int msg_count, byte_count = 0;
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unsigned int msg_count, byte_count = 0;
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char buf[16*265];
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char buf[16*265];
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@ -361,14 +368,15 @@ static void run_mainloop(void)
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while (1) {
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while (1) {
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/* read data from SIMtrace2 device (local or via USB) */
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/* read data from SIMtrace2 device (local or via USB) */
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if (g_udp_fd < 0) {
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if (ci->udp_fd < 0) {
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rc = libusb_bulk_transfer(g_devh, g_in_ep, buf, sizeof(buf), &xfer_len, 100000);
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rc = libusb_bulk_transfer(ci->usb_devh, ci->usb_ep.in,
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buf, sizeof(buf), &xfer_len, 100000);
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if (rc < 0 && rc != LIBUSB_ERROR_TIMEOUT) {
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if (rc < 0 && rc != LIBUSB_ERROR_TIMEOUT) {
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fprintf(stderr, "BULK IN transfer error; rc=%d\n", rc);
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fprintf(stderr, "BULK IN transfer error; rc=%d\n", rc);
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return;
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return;
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}
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}
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} else {
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} else {
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rc = read(g_udp_fd, buf, sizeof(buf));
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rc = read(ci->udp_fd, buf, sizeof(buf));
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if (rc <= 0) {
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if (rc <= 0) {
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fprintf(stderr, "shor read from UDP\n");
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fprintf(stderr, "shor read from UDP\n");
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return;
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return;
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/* dispatch any incoming data */
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/* dispatch any incoming data */
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if (xfer_len > 0) {
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if (xfer_len > 0) {
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//printf("URB: %s\n", osmo_hexdump(buf, rc));
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//printf("URB: %s\n", osmo_hexdump(buf, rc));
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process_usb_msg(buf, xfer_len);
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process_usb_msg(ci, buf, xfer_len);
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msg_count++;
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msg_count++;
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byte_count += xfer_len;
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byte_count += xfer_len;
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}
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}
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}
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}
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}
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}
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struct cardem_inst _ci, *ci = &_ci;
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static void signal_handler(int signal)
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static void signal_handler(int signal)
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{
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{
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switch (signal) {
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switch (signal) {
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case SIGINT:
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case SIGINT:
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request_card_insert(false);
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request_card_insert(ci, false);
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exit(0);
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exit(0);
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break;
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break;
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default:
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default:
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@ -444,7 +454,10 @@ int main(int argc, char **argv)
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}
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}
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}
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}
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g_prof = &osim_uicc_sim_cic_profile;
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memset(ci, 0, sizeof(*ci));
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ci->udp_fd = -1;
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ci->card_prof = &osim_uicc_sim_cic_profile;
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if (!remote_udp_host) {
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if (!remote_udp_host) {
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rc = libusb_init(NULL);
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rc = libusb_init(NULL);
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@ -453,9 +466,9 @@ int main(int argc, char **argv)
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goto do_exit;
|
goto do_exit;
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
g_udp_fd = osmo_sock_init(AF_INET, SOCK_DGRAM, IPPROTO_UDP, remote_udp_host,
|
ci->udp_fd = osmo_sock_init(AF_INET, SOCK_DGRAM, IPPROTO_UDP, remote_udp_host,
|
||||||
remote_udp_port+if_num, OSMO_SOCK_F_CONNECT);
|
remote_udp_port+if_num, OSMO_SOCK_F_CONNECT);
|
||||||
if (g_udp_fd < 0) {
|
if (ci->udp_fd < 0) {
|
||||||
fprintf(stderr, "error binding UDP port\n");
|
fprintf(stderr, "error binding UDP port\n");
|
||||||
goto do_exit;
|
goto do_exit;
|
||||||
}
|
}
|
||||||
|
@ -480,8 +493,8 @@ int main(int argc, char **argv)
|
||||||
goto close_exit;
|
goto close_exit;
|
||||||
}
|
}
|
||||||
|
|
||||||
g_chan = llist_entry(card->channels.next, struct osim_chan_hdl, list);
|
ci->chan = llist_entry(card->channels.next, struct osim_chan_hdl, list);
|
||||||
if (!g_chan) {
|
if (!ci->chan) {
|
||||||
perror("SIM card has no channel?!?");
|
perror("SIM card has no channel?!?");
|
||||||
goto close_exit;
|
goto close_exit;
|
||||||
}
|
}
|
||||||
|
@ -489,47 +502,48 @@ int main(int argc, char **argv)
|
||||||
signal(SIGINT, &signal_handler);
|
signal(SIGINT, &signal_handler);
|
||||||
|
|
||||||
do {
|
do {
|
||||||
if (g_udp_fd < 0) {
|
if (ci->udp_fd < 0) {
|
||||||
g_devh = libusb_open_device_with_vid_pid(NULL, SIMTRACE_USB_VENDOR, SIMTRACE_USB_PRODUCT);
|
ci->usb_devh = libusb_open_device_with_vid_pid(NULL, SIMTRACE_USB_VENDOR, 0x4004);
|
||||||
if (!g_devh) {
|
if (!ci->usb_devh) {
|
||||||
fprintf(stderr, "can't open USB device\n");
|
fprintf(stderr, "can't open USB device\n");
|
||||||
goto close_exit;
|
goto close_exit;
|
||||||
}
|
}
|
||||||
|
|
||||||
rc = libusb_claim_interface(g_devh, if_num);
|
rc = libusb_claim_interface(ci->usb_devh, if_num);
|
||||||
if (rc < 0) {
|
if (rc < 0) {
|
||||||
fprintf(stderr, "can't claim interface %d; rc=%d\n", if_num, rc);
|
fprintf(stderr, "can't claim interface %d; rc=%d\n", if_num, rc);
|
||||||
goto close_exit;
|
goto close_exit;
|
||||||
}
|
}
|
||||||
|
|
||||||
rc = get_usb_ep_addrs(g_devh, if_num, &g_out_ep, &g_in_ep, NULL);
|
rc = get_usb_ep_addrs(ci->usb_devh, if_num, &ci->usb_ep.out,
|
||||||
|
&ci->usb_ep.in, &ci->usb_ep.irq_in);
|
||||||
if (rc < 0) {
|
if (rc < 0) {
|
||||||
fprintf(stderr, "can't obtain EP addrs; rc=%d\n", rc);
|
fprintf(stderr, "can't obtain EP addrs; rc=%d\n", rc);
|
||||||
goto close_exit;
|
goto close_exit;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
request_card_insert(true);
|
request_card_insert(ci, true);
|
||||||
uint8_t real_atr[] = { 0x3B, 0x9F, 0x96, 0x80, 0x1F, 0xC7, 0x80, 0x31,
|
uint8_t real_atr[] = { 0x3B, 0x9F, 0x96, 0x80, 0x1F, 0xC7, 0x80, 0x31,
|
||||||
0xA0, 0x73, 0xBE, 0x21, 0x13, 0x67, 0x43, 0x20,
|
0xA0, 0x73, 0xBE, 0x21, 0x13, 0x67, 0x43, 0x20,
|
||||||
0x07, 0x18, 0x00, 0x00, 0x01, 0xA5 };
|
0x07, 0x18, 0x00, 0x00, 0x01, 0xA5 };
|
||||||
atr_update_csum(real_atr, sizeof(real_atr));
|
atr_update_csum(real_atr, sizeof(real_atr));
|
||||||
request_set_atr(real_atr, sizeof(real_atr));
|
request_set_atr(ci, real_atr, sizeof(real_atr));
|
||||||
|
|
||||||
run_mainloop();
|
run_mainloop(ci);
|
||||||
ret = 0;
|
ret = 0;
|
||||||
|
|
||||||
if (g_udp_fd < 0)
|
if (ci->udp_fd < 0)
|
||||||
libusb_release_interface(g_devh, 0);
|
libusb_release_interface(ci->usb_devh, 0);
|
||||||
close_exit:
|
close_exit:
|
||||||
if (g_devh)
|
if (ci->usb_devh)
|
||||||
libusb_close(g_devh);
|
libusb_close(ci->usb_devh);
|
||||||
if (keep_running)
|
if (keep_running)
|
||||||
sleep(1);
|
sleep(1);
|
||||||
} while (keep_running);
|
} while (keep_running);
|
||||||
|
|
||||||
release_exit:
|
release_exit:
|
||||||
if (g_udp_fd < 0)
|
if (ci->udp_fd < 0)
|
||||||
libusb_exit(NULL);
|
libusb_exit(NULL);
|
||||||
do_exit:
|
do_exit:
|
||||||
return ret;
|
return ret;
|
||||||
|
|
Loading…
Reference in New Issue