FreeCalypso > hg > freecalypso-tools

annotate target-utils/simagent/tx.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 289733ff272b
children
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1 /*
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2 * This module implements transmission of bytes toward the SIM.
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3 */
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4
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5 #include "types.h"
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6 #include "simregs.h"
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7
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8 extern u16 conf1_reg;
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9
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10 send_to_sim(bytes, count)
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11 u8 *bytes;
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12 unsigned count;
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13 {
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14 unsigned n, timeout, delay;
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15
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16 if (conf1_reg & SIM_CONF1_ETU)
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17 delay = 6000;
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18 else
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19 delay = 30000;
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20 SIMREGS.conf1 = conf1_reg |= SIM_CONF1_TXRX;
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21 if (count == 1)
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22 wait_ARM_cycles(delay);
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23 (void) SIMREGS.it;
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24 for (n = 0; ; ) {
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25 SIMREGS.dtx = bytes[n++];
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26 if (n == count) {
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27 SIMREGS.conf1 = conf1_reg &= ~SIM_CONF1_TXRX;
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28 return(0);
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29 }
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30 wait_ARM_cycles(delay);
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31 for (timeout = 12000; timeout; timeout--)
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32 if (SIMREGS.it & SIM_IT_ITTX)
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33 break;
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34 if (!timeout) {
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35 printf("ERROR: SIM interface Tx timeout on byte %u\n",
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36 n);
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37 return(-1);
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38 }
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39 }
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40 }
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41
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42 void
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43 cmd_tx(argstr)
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44 char *argstr;
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45 {
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46 u8 bytes[5];
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47 int rc;
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48
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49 rc = decode_hex_string_arg(argstr, bytes, sizeof bytes);
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50 if (rc < 0)
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51 return;
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52 if (rc == 0) {
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53 printf("ERROR: empty hex string argument\n");
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54 return;
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55 }
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56 send_to_sim(bytes, rc);
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57 }