FreeCalypso > hg > freecalypso-tools

annotate target-utils/loadagent/cmd_memload.c @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents 0da2cf5a999c
children
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1 /*
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2 * This module implements the ML (memory load) command, which will be
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3 * used by fc-chainload.
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4 *
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5 * The sole argument to the ML command is the body of an S3 record
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6 * with the initial "S3" characters stripped, i.e., starting with the
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7 * "count" byte, followed by the address, data and checksum bytes
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8 * exactly as in the original S3 record.
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9 */
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10
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11 #include "types.h"
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12
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13 void
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14 cmd_memload(argbulk)
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15 char *argbulk;
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16 {
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17 char *argv[2], *s;
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18 u8 srecbin[256], cksum;
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19 int len, i, c;
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20 u32 addr;
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21
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22 if (parse_args(argbulk, 1, 1, argv, 0) < 0)
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23 return;
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24 s = argv[0];
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25 if (decode_hex_digits(s, 2, &len) < 0) {
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26 inv: printf("ERROR: ML argument is invalid\n");
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27 return;
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28 }
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29 s += 2;
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30 if (len < 6)
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31 goto inv;
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32 srecbin[0] = len;
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33 for (i = 1; i <= len; i++) {
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34 if (decode_hex_digits(s, 2, &c) < 0)
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35 goto inv;
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36 s += 2;
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37 srecbin[i] = c;
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38 }
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39 cksum = 0;
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40 for (i = 0; i <= len; i++)
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41 cksum += srecbin[i];
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42 if (cksum != 0xFF) {
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43 printf("ERROR: bad ML S-record checksum\n");
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44 return;
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45 }
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46 len -= 5;
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47 addr = ((u32)srecbin[1] << 24) |
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48 ((u32)srecbin[2] << 16) |
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49 ((u32)srecbin[3] << 8) |
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50 (u32)srecbin[4];
99
9214118ae941 target-utils: use of bcopy() changed to memcpy()
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51 memcpy(addr, srecbin + 5, len);
0
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52 }