FreeCalypso > hg > fc-sim-tools
view libcommon/dumpdirfunc.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 | c9ef9e91dd8e |
children |
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/* * This module implements the common function for dumping EF_DIR. */ #include <sys/types.h> #include <stdio.h> #include "simresp.h" static void dump_aid(tlv, outf) u_char *tlv; FILE *outf; { unsigned reclen, n; reclen = tlv[1]; fputs(" AID:", outf); for (n = 0; n < reclen; n++) fprintf(outf, " %02X", tlv[n+2]); putc('\n', outf); } static void dump_label(tlv, outf) u_char *tlv; FILE *outf; { int rc; unsigned textlen; fputs(" Label: ", outf); rc = validate_alpha_field(tlv + 2, tlv[1], &textlen); if (rc < 0) { fputs("malformed\n", outf); return; } print_alpha_field(tlv + 2, textlen, outf); putc('\n', outf); } static void dump_unknown_tlv(tlv, outf) u_char *tlv; FILE *outf; { unsigned reclen, n; reclen = tlv[1] + 2; fputs(" TLV:", outf); for (n = 0; n < reclen; n++) fprintf(outf, " %02X", tlv[n]); putc('\n', outf); } void dump_efdir_record(outf) FILE *outf; { unsigned totlen, reclen; u_char *dp, *endp; if (sim_resp_data[0] != 0x61) { fprintf(outf, " bad: first byte != 0x61\n"); return; } totlen = sim_resp_data[1]; if (totlen < 3 || totlen > 0x7F) { fprintf(outf, " bad: global length byte 0x%02X is invalid\n", totlen); return; } if (totlen + 2 > sim_resp_data_len) { fprintf(outf, " bad: TLV global length exceeds EF record length\n"); return; } dp = sim_resp_data + 2; endp = sim_resp_data + 2 + totlen; while (dp < endp) { if (endp - dp < 2) { trunc_error: fprintf(outf, " bad: truncated TLV record\n"); return; } if ((dp[0] & 0x1F) == 0x1F) { fprintf(outf, " bad: extended tag not supported\n"); return; } if (dp[1] & 0x80) { fprintf(outf, " bad: extended length not supported\n"); return; } reclen = dp[1] + 2; if (endp - dp < reclen) goto trunc_error; switch (dp[0]) { case 0x4F: dump_aid(dp, outf); break; case 0x50: dump_label(dp, outf); break; default: dump_unknown_tlv(dp, outf); } dp += reclen; } }