diff options
Diffstat (limited to 'utils/osmo-sim-test.c')
-rw-r--r-- | utils/osmo-sim-test.c | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/utils/osmo-sim-test.c b/utils/osmo-sim-test.c new file mode 100644 index 00000000..244c2df3 --- /dev/null +++ b/utils/osmo-sim-test.c @@ -0,0 +1,419 @@ +/* libosmosim test application - currently simply dumps a USIM */ +/* (C) 2012 by Harald Welte <laforge@gnumonks.org> + * All Rights Reserved + * + * 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 <stdio.h> +#include <stdlib.h> +#include <errno.h> +#include <string.h> + +#include <osmocom/core/msgb.h> +#include <osmocom/core/talloc.h> +#include <osmocom/sim/sim.h> +#include <osmocom/gsm/tlv.h> + + +/* FIXME: this needs to be moved to card_fs_uicc.c */ + +/* 11.1.1 */ +static struct msgb *_select_file(struct osim_chan_hdl *st, uint8_t p1, uint8_t p2, + const uint8_t *data, uint8_t data_len) +{ + struct msgb *msg, *resp; + char *dst; + + msg = osim_new_apdumsg(0x00, 0xA4, p1, p2, data_len, 256); + dst = msgb_put(msg, data_len); + memcpy(dst, data, data_len); + + osim_transceive_apdu(st, msg); + + return msg; +} + +/* 11.1.1 */ +static struct msgb *select_adf(struct osim_chan_hdl *st, const uint8_t *adf, uint8_t adf_len) +{ + int sw; + + return _select_file(st, 0x04, 0x04, adf,adf_len); +} + +/* 11.1.1 */ +static struct msgb *select_file(struct osim_chan_hdl *st, uint16_t fid) +{ + uint16_t cfid = htons(fid); + + return _select_file(st, 0x00, 0x04, (uint8_t *)&cfid, 2); +} + +/* 11.1.9 */ +static int verify_pin(struct osim_chan_hdl *st, uint8_t pin_nr, uint8_t *pin) +{ + struct msgb *msg; + char *pindst; + int sw; + + if (strlen(pin) > 8) + return -EINVAL; + + msg = osim_new_apdumsg(0x00, 0x20, 0x00, pin_nr, 8, 0); + pindst = msgb_put(msg, 8); + memset(pindst, 0xFF, 8); + strncpy(pindst, pin, strlen(pin)); + + return osim_transceive_apdu(st, msg); +} + +/* 11.1.5 */ +static struct msgb *read_record_nr(struct osim_chan_hdl *st, uint8_t rec_nr, uint16_t rec_size) +{ + struct msgb *msg; + + msg = osim_new_apdumsg(0x00, 0xB2, rec_nr, 0x04, 0, rec_size); + + osim_transceive_apdu(st, msg); + + return msg; +} + +/* 11.1.6 */ +static struct msgb *update_record_nr(struct osim_chan_hdl *st, uint8_t rec_nr, + const uint8_t *data, uint16_t rec_size) +{ + struct msgb *msg; + uint8_t *cur; + + msg = osim_new_apdumsg(0x00, 0xDC, rec_nr, 0x04, rec_size, 0); + cur = msgb_put(msg, rec_size); + memcpy(cur, data, rec_size); + + osim_transceive_apdu(st, msg); + + return msg; +} + +/* 11.1.3 */ +static struct msgb *read_binary(struct osim_chan_hdl *st, uint16_t offset, uint16_t len) +{ + struct msgb *msg; + + if (offset > 0x7fff || len > 256) + return NULL; + + msg = osim_new_apdumsg(0x00, 0xB0, offset >> 8, offset & 0xff, 0, len & 0xff); + + osim_transceive_apdu(st, msg); + + return msg; +} + +/* 11.1.4 */ +static struct msgb *update_binary(struct osim_chan_hdl *st, uint16_t offset, + const uint8_t *data, uint16_t len) +{ + struct msgb *msg; + uint8_t *cur; + + if (offset > 0x7fff || len > 256) + return NULL; + + msg = osim_new_apdumsg(0x00, 0xD6, offset >> 8, offset & 0xff, len & 0xff, 0); + cur = msgb_put(msg, len); + memcpy(cur, data, len); + + osim_transceive_apdu(st, msg); + + return msg; +} + + + +static int dump_fcp_template(struct tlv_parsed *tp) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(tp->lv); i++) { + if (TLVP_PRESENT(tp, i)) + printf("Tag 0x%02x (%s): %s\n", i, + get_value_string(ts102221_fcp_vals, i), + osmo_hexdump(TLVP_VAL(tp, i), TLVP_LEN(tp, i))); + } + + return 0; +} + +static int dump_fcp_template_msg(struct msgb *msg) +{ + struct tlv_parsed tp; + int rc; + + rc = tlv_parse(&tp, &ts102221_fcp_tlv_def, msgb_apdu_de(msg)+2, msgb_apdu_le(msg)-2, 0, 0); + if (rc < 0) + return rc; + + return dump_fcp_template(&tp); +} + +struct osim_fcp_fd_decoded { + enum osim_file_type type; + enum osim_ef_type ef_type; + uint16_t rec_len; + uint8_t num_rec; +}; + +static const enum osim_file_type iso2ftype[8] = { + [0] = TYPE_EF, + [1] = TYPE_EF_INT, + [7] = TYPE_DF, +}; + +static const enum osim_ef_type iso2eftype[8] = { + [1] = EF_TYPE_TRANSP, + [2] = EF_TYPE_RECORD_FIXED, + [6] = EF_TYPE_RECORD_CYCLIC, +}; + +static int osim_fcp_fd_decode(struct osim_fcp_fd_decoded *ofd, const uint8_t *fcp, int fcp_len) +{ + memset(ofd, 0, sizeof(*ofd)); + + if (fcp_len != 2 && fcp_len != 5) + return -EINVAL; + + ofd->type = iso2ftype[(fcp[0] >> 3) & 7]; + if (ofd->type != TYPE_DF) + ofd->ef_type = iso2eftype[fcp[0] & 7]; + + if (fcp[1] != 0x21) + return -EINVAL; + + if (fcp_len >= 5) { + ofd->rec_len = ntohs(*(uint16_t *)(fcp+2)); + ofd->num_rec = fcp[4]; + } + + return 0; +} + +extern struct osim_card_profile *osim_cprof_usim(void *ctx); + +static struct msgb *try_select_adf_usim(struct osim_chan_hdl *st) +{ + struct tlv_parsed tp; + struct osim_fcp_fd_decoded ofd; + struct msgb *msg, *msg2; + uint8_t *cur; + int rc, i; + + msg = select_file(st, 0x2f00); + rc = tlv_parse(&tp, &ts102221_fcp_tlv_def, msgb_apdu_de(msg)+2, msgb_apdu_le(msg)-2, 0, 0); + if (rc < 0) + return NULL; + + dump_fcp_template(&tp); + + if (!TLVP_PRESENT(&tp, UICC_FCP_T_FILE_DESC) || + TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC) < 5) { + msgb_free(msg); + return NULL; + } + + rc = osim_fcp_fd_decode(&ofd, TLVP_VAL(&tp, UICC_FCP_T_FILE_DESC), + TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC)); + if (rc < 0) { + msgb_free(msg); + return NULL; + } + + if (ofd.type != TYPE_EF || ofd.ef_type != EF_TYPE_RECORD_FIXED) { + msgb_free(msg); + return NULL; + } + + msgb_free(msg); + + printf("ofd rec_len = %u, num_rec = %u\n", ofd.rec_len, ofd.num_rec); + + for (i = 0; i < ofd.num_rec; i++) { + msg = read_record_nr(st, i+1, ofd.rec_len); + if (!msg) + return NULL; + + cur = msgb_apdu_de(msg); + if (msgb_apdu_le(msg) < 5) { + msgb_free(msg); + return NULL; + } + + if (cur[0] != 0x61 || cur[1] < 0x03 || cur[1] > 0x7f || + cur[2] != 0x4F || cur[3] < 0x01 || cur[3] > 0x10) { + msgb_free(msg); + return NULL; + } + + /* FIXME: actually check if it is an AID that we support, or + * iterate until we find one that we support */ + + msg2 = select_adf(st, cur+4, cur[3]); + + /* attach the USIM profile, FIXME: do this based on AID match */ + st->card->prof = osim_cprof_usim(st->card); + st->cwd = osim_file_find_name(st->card->prof->mf, "ADF.USIM"); + + msgb_free(msg); + + return msg2; + } + + return NULL; +} + +static int dump_file(struct osim_chan_hdl *chan, uint16_t fid) +{ + struct tlv_parsed tp; + struct osim_fcp_fd_decoded ffdd; + struct msgb *msg, *rmsg; + int rc, i, offset; + + msg = select_file(chan, fid); + if (!msg) { + printf("Unable to select file\n"); + return -EIO; + } + printf("SW: %s\n", osim_print_sw(chan->card, msgb_apdu_sw(msg))); + if (msgb_apdu_sw(msg) != 0x9000) { + printf("status 0x%04x selecting file\n", msgb_apdu_sw(msg)); + goto out; + } + + rc = tlv_parse(&tp, &ts102221_fcp_tlv_def, msgb_apdu_de(msg)+2, msgb_apdu_le(msg)-2, 0, 0); + if (rc < 0) { + printf("Unable to parse FCP\n"); + goto out; + } + + if (!TLVP_PRESENT(&tp, UICC_FCP_T_FILE_DESC) || + TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC) < 2) { + printf("No file descriptor present ?!?\n"); + goto out; + } + + rc = osim_fcp_fd_decode(&ffdd, TLVP_VAL(&tp, UICC_FCP_T_FILE_DESC), + TLVP_LEN(&tp, UICC_FCP_T_FILE_DESC)); + if (rc < 0) { + printf("Unable to decode File Descriptor\n"); + goto out; + } + + if (ffdd.type != TYPE_EF) { + printf("File Type != EF\n"); + goto out; + } + + printf("EF type: %u\n", ffdd.ef_type); + + switch (ffdd.ef_type) { + case EF_TYPE_RECORD_FIXED: + for (i = 0; i < ffdd.num_rec; i++) { + rmsg = read_record_nr(chan, i+1, ffdd.rec_len); + if (!msg) + return -EIO; + printf("SW: %s\n", osim_print_sw(chan->card, msgb_apdu_sw(msg))); + printf("Rec %03u: %s\n", i+1, + osmo_hexdump(msgb_apdu_de(rmsg), msgb_apdu_le(rmsg))); + } + break; + case EF_TYPE_TRANSP: + if (!TLVP_PRESENT(&tp, UICC_FCP_T_FILE_SIZE)) + goto out; + i = ntohs(*(uint16_t *)TLVP_VAL(&tp, UICC_FCP_T_FILE_SIZE)); + printf("File size: %d bytes\n", i); + + for (offset = 0; offset < i-1; ) { + uint16_t remain_len = i - offset; + uint16_t read_len = OSMO_MIN(remain_len, 256); + rmsg = read_binary(chan, offset, read_len); + if (!msg) + return -EIO; + offset += read_len; + printf("Content: %s\n", + osmo_hexdump(msgb_apdu_de(rmsg), msgb_apdu_le(rmsg))); + } + break; + default: + goto out; + } + +out: + msgb_free(msg); + return -EINVAL; +} + +int main(int argc, char **argv) +{ + struct osim_reader_hdl *reader; + struct osim_card_hdl *card; + struct osim_chan_hdl *chan; + struct msgb *msg; + int rc; + + reader = osim_reader_open(OSIM_READER_DRV_PCSC, 0, "", NULL); + if (!reader) + exit(1); + card = osim_card_open(reader, OSIM_PROTO_T0); + if (!card) + exit(2); + chan = llist_entry(card->channels.next, struct osim_chan_hdl, list); + if (!chan) + exit(3); + + msg = try_select_adf_usim(chan); + if (!msg || msgb_apdu_sw(msg) != 0x9000) + exit(4); + dump_fcp_template_msg(msg); + msgb_free(msg); + + msg = select_file(chan, 0x6fc5); + dump_fcp_template_msg(msg); + printf("SW: %s\n", osim_print_sw(chan->card, msgb_apdu_sw(msg))); + msgb_free(msg); + + verify_pin(chan, 1, "1653"); + + msg = select_file(chan, 0x6f06); + dump_fcp_template_msg(msg); + msgb_free(msg); + + { + struct osim_file_desc *ofd; + llist_for_each_entry(ofd, &chan->cwd->child_list, list) { + struct msgb *m; + printf("\n\n================ %s (%s) ==================\n", + ofd->short_name, ofd->long_name); + + m = select_file(chan, ofd->fid); + dump_fcp_template_msg(m); + msgb_free(m); + dump_file(chan, ofd->fid); + } + } + + exit(0); +} |