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annotate simtool/pbupd_immhex.c @ 83:3055d5c9e7a3

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fc-simtool update-rec* commands: check curfile_record_len and error out if it is not set
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 11 Apr 2021 02:38:31 +0000
parents ddd767f6e15b
children
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1 /*
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2 * This module implements the pb-update-imm-hex command.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <ctype.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdio.h>
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10 #include <stdlib.h>
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11 #include "curfile.h"
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12
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13 static
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14 decode_alphatag_arg_hex(arg, record, maxlen)
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15 char *arg;
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16 u_char *record;
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17 unsigned maxlen;
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18 {
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19 unsigned acclen;
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20
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21 for (acclen = 0; ; acclen++) {
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22 while (isspace(*arg))
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23 arg++;
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24 if (!*arg)
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25 break;
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26 if (!isxdigit(arg[0]) || !isxdigit(arg[1])) {
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27 fprintf(stderr, "error: invalid hex string input\n");
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28 return(-1);
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29 }
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30 if (acclen >= maxlen) {
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31 fprintf(stderr,
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32 "error: alpha tag string is longer than SIM limit\n");
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33 return(-1);
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34 }
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35 record[acclen] = (decode_hex_digit(arg[0]) << 4) |
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36 decode_hex_digit(arg[1]);
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37 arg += 2;
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38 }
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39 return(0);
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40 }
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41
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42 cmd_pb_update_imm_hex(argc, argv)
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43 char **argv;
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44 {
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45 int rc;
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46 unsigned recno;
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47 u_char record[255], *fixp;
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48
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49 rc = phonebook_op_common(argv[1]);
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50 if (rc < 0)
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51 return(rc);
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52 recno = strtoul(argv[2], 0, 0);
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53 if (recno < 1 || recno > curfile_record_count) {
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54 fprintf(stderr, "error: specified record number is invalid\n");
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55 return(-1);
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56 }
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57 memset(record, 0xFF, curfile_record_len);
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58 fixp = record + curfile_record_len - 14;
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59 rc = encode_phone_number_arg(argv[3], fixp, 0);
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60 if (rc < 0)
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61 return(rc);
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62 rc = decode_alphatag_arg_hex(argv[4], record, curfile_record_len - 14);
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63 if (rc < 0)
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64 return(rc);
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65 return update_rec_op(recno, 0x04, record, curfile_record_len);
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66 }