FreeCalypso > hg > fc-sim-tools
view simtool/hlread.c @ 47:b0cf75d0bb2d
doc/Serial-SIM-readers article written
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 21 Mar 2021 04:32:18 +0000 |
parents | aefc9fe653d3 |
children |
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/* * This module implements some high-level or user-friendly read commands. */ #include <sys/types.h> #include <stdio.h> #include "simresp.h" #include "curfile.h" #include "file_id.h" retrieve_iccid(buf) char *buf; { int rc; char *cp; rc = select_op(FILEID_MF); if (rc < 0) return(rc); rc = select_op(EF_ICCID); if (rc < 0) return(rc); rc = parse_ef_select_response(); if (rc < 0) return(rc); if (curfile_structure != 0x00 || curfile_total_size != 10) { fprintf(stderr, "error: expected transparent EF of 10 bytes\n"); return(-1); } rc = readbin_op(0, 10); if (rc < 0) return(rc); decode_reversed_nibbles(sim_resp_data, 10, buf); for (cp = buf + 20; (cp > buf + 1) && (cp[-1] == 'F'); cp--) ; *cp = '\0'; return(0); } cmd_iccid(argc, argv, outf) char **argv; FILE *outf; { int rc; char buf[21]; rc = retrieve_iccid(buf); if (rc < 0) return(rc); fprintf(outf, "%s\n", buf); return(0); } cmd_imsi(argc, argv, outf) char **argv; FILE *outf; { int rc; char buf[17], *endp; rc = select_op(DF_GSM); if (rc < 0) return(rc); rc = select_op(EF_IMSI); if (rc < 0) return(rc); rc = parse_ef_select_response(); if (rc < 0) return(rc); if (curfile_structure != 0x00 || curfile_total_size != 9) { fprintf(stderr, "error: expected transparent EF of 9 bytes\n"); return(-1); } rc = readbin_op(0, 9); if (rc < 0) return(rc); if (sim_resp_data[0] < 1 || sim_resp_data[0] > 8) { malformed: fprintf(stderr, "error: malformed EF_IMSI record\n"); return(-1); } decode_reversed_nibbles(sim_resp_data + 1, sim_resp_data[0], buf); endp = buf + (sim_resp_data[0] << 1); switch (buf[0]) { case '1': if (sim_resp_data[0] == 1) goto malformed; *--endp = '\0'; break; case '9': *endp = '\0'; break; default: goto malformed; } fprintf(outf, "%s\n", buf + 1); return(0); } cmd_imsi_raw(argc, argv, outf) char **argv; FILE *outf; { int rc; char buf[17]; rc = select_op(DF_GSM); if (rc < 0) return(rc); rc = select_op(EF_IMSI); if (rc < 0) return(rc); rc = parse_ef_select_response(); if (rc < 0) return(rc); if (curfile_structure != 0x00 || curfile_total_size != 9) { fprintf(stderr, "error: expected transparent EF of 9 bytes\n"); return(-1); } rc = readbin_op(0, 9); if (rc < 0) return(rc); decode_reversed_nibbles(sim_resp_data + 1, 8, buf); buf[16] = '\0'; fprintf(outf, "%s parity=%c len=%u\n", buf + 1, buf[0], sim_resp_data[0]); return(0); } cmd_spn(argc, argv, outf) char **argv; FILE *outf; { int rc; unsigned textlen; rc = select_op(DF_GSM); if (rc < 0) return(rc); rc = select_op(EF_SPN); if (rc < 0) return(rc); rc = parse_ef_select_response(); if (rc < 0) return(rc); if (curfile_structure != 0x00 || curfile_total_size != 17) { fprintf(stderr, "error: expected transparent EF of 17 bytes\n"); return(-1); } rc = readbin_op(0, 17); if (rc < 0) return(rc); fprintf(outf, "Display condition: %02X\n", sim_resp_data[0]); fputs("SPN: ", outf); rc = validate_alpha_field(sim_resp_data + 1, 16, &textlen); if (rc >= 0) print_alpha_field(sim_resp_data + 1, textlen, outf); else fputs("malformed alpha field", outf); putc('\n', outf); return(0); }