FreeCalypso > hg > freecalypso-hwlab
view uicc/alpha_decode.c @ 161:d3128f3e1bde
fc-simtool and fc-uicc-tool moved to new fc-pcsc-tools repository
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 12 Feb 2021 05:39:38 +0000 |
parents | a21d348e01db |
children |
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/* * This module contains functions for decoding and displaying alpha fields * that exist in various SIM files. */ #include <sys/types.h> #include <string.h> #include <strings.h> #include <stdio.h> #include <stdlib.h> static char gsm7_decode_table[128] = { '@', 0, '$', 0, 0, 0, 0, 0, 0, 0, '\n', 0, 0, '\r', 0, 0, 0, '_', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ' ', '!', '"', '#', 0, '%', '&', 0x27, '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', 0, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 0, 0, 0, 0, 0, 0, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 0, 0, 0, 0, 0 }; static char gsm7ext_decode_table[128] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '^', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '{', '}', 0, 0, 0, 0, 0, '\\', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, '[', '~', ']', 0, '|', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; static is_gsm7_string_ok(data, nbytes) u_char *data; unsigned nbytes; { u_char *dp, *endp; int c; dp = data; endp = data + nbytes; while (dp < endp) { c = *dp++; if (c == 0x1B && dp < endp) c = gsm7ext_decode_table[*dp++]; else c = gsm7_decode_table[c]; if (!c) return(0); } return(1); } static void print_alpha_field_gsmdecode(data, nbytes, outf) u_char *data; unsigned nbytes; FILE *outf; { u_char *dp, *endp; int c; dp = data; endp = data + nbytes; putc('"', outf); while (dp < endp) { c = *dp++; if (c == 0x1B && dp < endp) c = gsm7ext_decode_table[*dp++]; else c = gsm7_decode_table[c]; if (c == '\n') { putc('\\', outf); putc('n', outf); continue; } if (c == '\r') { putc('\\', outf); putc('r', outf); continue; } if (c == '"' || c == '\\') putc('\\', outf); putc(c, outf); } putc('"', outf); } static void print_alpha_field_hex(data, nbytes, outf) u_char *data; unsigned nbytes; FILE *outf; { u_char *dp, *endp; fputs("HEX ", outf); dp = data; endp = data + nbytes; while (dp < endp) fprintf(outf, "%02X", *dp++); } void print_alpha_field(data, nbytes, outf) u_char *data; unsigned nbytes; FILE *outf; { if (!nbytes) { fputs("\"\"", outf); return; } if (data[0] & 0x80) { print_alpha_field_hex(data, nbytes, outf); return; } if (is_gsm7_string_ok(data, nbytes)) print_alpha_field_gsmdecode(data, nbytes, outf); else print_alpha_field_hex(data, nbytes, outf); }