mirror of https://gerrit.osmocom.org/libosmocore
371 lines
7.5 KiB
C
371 lines
7.5 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/sim/sim.h>
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#include <osmocom/gsm/tlv.h>
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/* 11.1.1 */
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static struct msgb *_select_file(struct osim_chan_hdl *st, uint8_t p1, uint8_t p2,
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const uint8_t *data, uint8_t data_len)
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{
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struct msgb *msg, *resp;
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char *dst;
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msg = osim_new_apdumsg(0x00, 0xA4, p1, p2, data_len, 256);
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dst = msgb_put(msg, data_len);
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memcpy(dst, data, data_len);
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osim_transceive_apdu(st, msg);
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return msg;
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}
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/* 11.1.1 */
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static struct msgb *select_adf(struct osim_chan_hdl *st, const uint8_t *adf, uint8_t adf_len)
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{
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int sw;
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return _select_file(st, 0x04, 0x04, adf,adf_len);
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}
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/* 11.1.1 */
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static struct msgb *select_file(struct osim_chan_hdl *st, uint16_t fid)
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{
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uint16_t cfid = htons(fid);
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return _select_file(st, 0x00, 0x04, (uint8_t *)&cfid, 2);
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}
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/* 11.1.9 */
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static int verify_pin(struct osim_chan_hdl *st, uint8_t pin_nr, uint8_t *pin)
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{
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struct msgb *msg;
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char *pindst;
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int sw;
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if (strlen(pin) > 8)
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return -EINVAL;
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msg = osim_new_apdumsg(0x00, 0x20, 0x00, pin_nr, 8, 0);
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pindst = msgb_put(msg, 8);
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memset(pindst, 0xFF, 8);
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strncpy(pindst, pin, strlen(pin));
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return osim_transceive_apdu(st, msg);
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}
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/* 11.1.5 */
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static struct msgb *read_record_nr(struct osim_chan_hdl *st, uint8_t rec_nr, uint16_t rec_size)
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{
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struct msgb *msg;
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msg = osim_new_apdumsg(0x00, 0xB2, rec_nr, 0x04, 0, rec_size);
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osim_transceive_apdu(st, msg);
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return msg;
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}
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/* 11.1.6 */
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static struct msgb *update_record_nr(struct osim_chan_hdl *st, uint8_t rec_nr,
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const uint8_t *data, uint16_t rec_size)
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{
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struct msgb *msg;
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uint8_t *cur;
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msg = osim_new_apdumsg(0x00, 0xDC, rec_nr, 0x04, rec_size, 0);
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cur = msgb_put(msg, rec_size);
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memcpy(cur, data, rec_size);
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osim_transceive_apdu(st, msg);
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return msg;
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}
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/* 11.1.3 */
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static struct msgb *read_binary(struct osim_chan_hdl *st, uint16_t offset, uint16_t len)
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{
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struct msgb *msg;
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if (offset > 0x7fff || len > 256)
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return NULL;
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msg = osim_new_apdumsg(0x00, 0xB0, offset >> 8, offset & 0xff, 0, len & 0xff);
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osim_transceive_apdu(st, msg);
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return msg;
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}
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/* 11.1.4 */
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static struct msgb *update_binary(struct osim_chan_hdl *st, uint16_t offset,
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const uint8_t *data, uint16_t len)
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{
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struct msgb *msg;
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uint8_t *cur;
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if (offset > 0x7fff || len > 256)
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return NULL;
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msg = osim_new_apdumsg(0x00, 0xD6, offset >> 8, offset & 0xff, len & 0xff, 0);
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cur = msgb_put(msg, len);
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memcpy(cur, data, len);
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osim_transceive_apdu(st, msg);
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return msg;
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}
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static int dump_fcp_template(struct tlv_parsed *tp)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(tp->lv); i++) {
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if (TLVP_PRESENT(tp, i))
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printf("Tag 0x%02x (%s): %s\n", i,
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get_value_string(ts102221_fcp_vals, i),
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osmo_hexdump(TLVP_VAL(tp, i), TLVP_LEN(tp, i)));
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}
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return 0;
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}
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static int dump_fcp_template_msg(struct msgb *msg)
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{
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struct tlv_parsed tp;
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int rc;
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rc = tlv_parse(&tp, &ts102221_fcp_tlv_def, msgb_apdu_de(msg)+2, msgb_apdu_le(msg)-4, 0, 0);
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if (rc < 0)
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return rc;
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return dump_fcp_template(&tp);
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}
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struct osim_fcp_fd_decoded {
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enum osim_file_type type;
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enum osim_ef_type ef_type;
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uint16_t rec_len;
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uint8_t num_rec;
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};
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static const enum osim_file_type iso2ftype[8] = {
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[0] = TYPE_EF,
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[1] = TYPE_EF_INT,
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[7] = TYPE_DF,
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};
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static const enum osim_ef_type iso2eftype[8] = {
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[1] = EF_TYPE_TRANSP,
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[2] = EF_TYPE_RECORD_FIXED,
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[6] = EF_TYPE_RECORD_CYCLIC,
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};
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static int osim_fcp_fd_decode(struct osim_fcp_fd_decoded *ofd, const uint8_t *fcp, int fcp_len)
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{
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memset(ofd, 0, sizeof(*ofd));
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if (fcp_len != 2 && fcp_len != 5)
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return -EINVAL;
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ofd->type = iso2ftype[(fcp[0] >> 3) & 7];
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if (ofd->type != TYPE_DF)
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ofd->ef_type = iso2eftype[fcp[0] & 7];
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if (fcp[1] != 0x21)
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return -EINVAL;
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if (fcp_len >= 5) {
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ofd->rec_len = ntohs(*(uint16_t *)(fcp+2));
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ofd->num_rec = fcp[4];
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}
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return 0;
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}
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extern struct osim_card_profile *osim_cprof_usim(void *ctx);
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static struct msgb *try_select_adf_usim(struct osim_chan_hdl *st)
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{
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struct tlv_parsed tp;
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struct osim_fcp_fd_decoded ofd;
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struct msgb *msg, *msg2;
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uint8_t *cur;
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int rc, i;
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msg = select_file(st, 0x2f00);
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rc = tlv_parse(&tp, &ts102221_fcp_tlv_def, msgb_apdu_de(msg)+2, msgb_apdu_le(msg)-4, 0, 0);
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if (rc < 0)
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return NULL;
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dump_fcp_template(&tp);
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if (!TLVP_PRESENT(&tp, UICC_FCP_T_FILE_DESC) ||
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TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC) < 5) {
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msgb_free(msg);
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return NULL;
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}
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rc = osim_fcp_fd_decode(&ofd, TLVP_VAL(&tp, UICC_FCP_T_FILE_DESC),
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TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC));
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if (rc < 0) {
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msgb_free(msg);
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return NULL;
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}
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if (ofd.type != TYPE_EF || ofd.ef_type != EF_TYPE_RECORD_FIXED) {
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msgb_free(msg);
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return NULL;
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}
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msgb_free(msg);
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printf("ofd rec_len = %u, num_rec = %u\n", ofd.rec_len, ofd.num_rec);
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for (i = 0; i < ofd.num_rec; i++) {
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msg = read_record_nr(st, i+1, ofd.rec_len);
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if (!msg)
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return NULL;
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cur = msgb_apdu_de(msg);
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if (msgb_apdu_le(msg) < 5) {
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msgb_free(msg);
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return NULL;
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}
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if (cur[0] != 0x61 || cur[1] < 0x03 || cur[1] > 0x7f ||
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cur[2] != 0x4F || cur[3] < 0x01 || cur[3] > 0x10) {
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msgb_free(msg);
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return NULL;
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}
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/* FIXME: actually check if it is an AID that we support, or
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* iterate until we find one that we support */
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msg2 = select_adf(st, cur+4, cur[3]);
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/* attach the USIM profile, FIXME: do this based on AID match */
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st->card->prof = osim_cprof_usim(st->card);
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st->cwd = osim_file_find_name(st->card->prof->mf, "ADF.USIM");
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msgb_free(msg);
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return msg2;
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}
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return NULL;
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}
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static int dump_file(struct osim_chan_hdl *chan, uint16_t fid)
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{
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struct tlv_parsed tp;
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struct osim_fcp_fd_decoded ffdd;
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struct msgb *msg;
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int rc, i;
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msg = select_file(chan, fid);
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if (!msg)
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return -EIO;
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if (msgb_apdu_sw(msg) != 0x9000)
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goto out;
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rc = tlv_parse(&tp, &ts102221_fcp_tlv_def, msgb_apdu_de(msg)+2, msgb_apdu_le(msg)-4, 0, 0);
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if (rc < 0)
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goto out;
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if (!TLVP_PRESENT(&tp, UICC_FCP_T_FILE_DESC) ||
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TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC) < 5)
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goto out;
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rc = osim_fcp_fd_decode(&ffdd, TLVP_VAL(&tp, UICC_FCP_T_FILE_DESC),
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TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC));
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if (rc < 0)
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goto out;
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if (ffdd.type != TYPE_EF)
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goto out;
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switch (ffdd.ef_type) {
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case EF_TYPE_RECORD_FIXED:
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for (i = 0; i < ffdd.num_rec; i++) {
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struct msgb *rmsg = read_record_nr(chan, i+1, ffdd.rec_len);
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if (!msg)
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return NULL;
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printf("Rec %03u: %s\n", i+1,
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osmo_hexdump(msgb_apdu_de(rmsg), msgb_apdu_le(rmsg)));
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}
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break;
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case EF_TYPE_TRANSP:
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break;
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default:
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goto out;
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}
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out:
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msgb_free(msg);
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return -EINVAL;
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}
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int main(int argc, char **argv)
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{
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struct osim_reader_hdl *reader;
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struct osim_card_hdl *card;
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struct osim_chan_hdl *chan;
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struct msgb *msg;
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int rc;
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reader = osim_reader_open(0, NULL);
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if (!reader)
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exit(1);
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card = osim_card_open(reader);
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if (!card)
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exit(2);
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chan = llist_entry(card->channels.next, struct osim_chan_hdl, list);
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if (!chan)
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exit(3);
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msg = try_select_adf_usim(chan);
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if (!msg || msgb_apdu_sw(msg) != 0x9000)
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exit(4);
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dump_fcp_template_msg(msg);
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msgb_free(msg);
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msg = select_file(chan, 0x6fc5);
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dump_fcp_template_msg(msg);
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msgb_free(msg);
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verify_pin(chan, 1, "1653");
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msg = select_file(chan, 0x6f06);
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dump_fcp_template_msg(msg);
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msgb_free(msg);
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#if 1
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{
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struct osim_file_desc *ofd;
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llist_for_each_entry(ofd, &chan->cwd->child_list, list) {
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struct msgb *m;
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printf("\n\n================ %s (%s) ==================\n",
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ofd->short_name, ofd->long_name);
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m = select_file(chan, ofd->fid);
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dump_fcp_template_msg(m);
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msgb_free(m);
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dump_file(chan, ofd->fid);
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}
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}
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#endif
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exit(0);
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}
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