FreeCalypso > hg > freecalypso-tools

annotate loadtools/simup.c @ 1011:6d9b10633f10

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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 02490e26f53d
children
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0bbe0213812d fc-simint put together, compiles
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1 /*
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2 * This module implements the stage in fc-simint where the sim-up
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3 * command is fed to simagent and the ATR response is parsed.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <ctype.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <string.h>
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11 #include <strings.h>
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12
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13 extern int sim_voltage_mode_1v8;
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14
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15 #define MAX_ATR_BYTES 33
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16
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17 u_char sim_atr[MAX_ATR_BYTES];
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18 unsigned sim_atr_len;
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19
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20 static
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21 sim_up_callback(line)
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22 char *line;
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23 {
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24 char *cp;
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25
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26 puts(line);
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27 if (strncmp(line, "ATR:", 4))
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28 return(1);
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29 sim_atr_len = 0;
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30 for (cp = line + 4; *cp; cp += 3) {
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31 if (cp[0] != ' ' || !isxdigit(cp[1]) || !isxdigit(cp[2])) {
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32 fprintf(stderr,
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33 "error: invalid ATR line from simagent\n");
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34 return(1);
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35 }
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36 if (sim_atr_len >= MAX_ATR_BYTES) {
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37 fprintf(stderr,
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38 "error: ATR from simagent is too long\n");
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39 return(1);
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40 }
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41 sim_atr[sim_atr_len++] = decode_hex_byte(cp + 1);
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42 }
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43 return(0);
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44 }
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45
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46 void
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47 do_sim_up()
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48 {
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49 char *targv[3];
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50
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51 printf("Bringing up SIM interface at %s V\n",
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52 sim_voltage_mode_1v8 ? "1.8" : "3.0");
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53 targv[0] = "sim-up";
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54 targv[1] = sim_voltage_mode_1v8 ? "1.8" : "3";
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55 targv[2] = 0;
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56 tpinterf_make_cmd(targv);
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57 if (tpinterf_send_cmd() < 0)
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58 exit(1);
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59 if (tpinterf_capture_output(20, sim_up_callback))
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60 exit(1);
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61 if (!sim_atr_len) {
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62 fprintf(stderr, "error: no ATR returned from simagent\n");
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63 exit(1);
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64 }
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65 }