FreeCalypso > hg > freecalypso-tools

annotate rvinterf/old/sendsp/sendsp.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 e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This hack-utility sends a GPF System Primitive given on the command line
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Mychaela Falconia <falcon@freecalypso.org>
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3 * to a target GSM device via rvinterf.
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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 <stdio.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include "pktmux.h"
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12 #include "limits.h"
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13
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14 char *socket_pathname = "/tmp/rvinterf_socket";
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15
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16 main(argc, argv)
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17 char **argv;
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18 {
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19 char *stackdest, *primarg;
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20 unsigned intlen;
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21 u_char sendpkt[MAX_PKT_TO_TARGET];
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22 unsigned pktlen;
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23
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24 if (argc < 3) {
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25 usage: fprintf(stderr, "usage: %s [-s socket] stackdest primarg\n",
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26 argv[0]);
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27 exit(1);
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28 }
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29 if (strcmp(argv[1], "-s")) {
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30 if (argc != 3)
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31 goto usage;
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32 stackdest = argv[1];
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33 primarg = argv[2];
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34 } else {
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35 if (argc != 5)
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36 goto usage;
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37 socket_pathname = argv[2];
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38 stackdest = argv[3];
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39 primarg = argv[4];
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40 }
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41 if (strlen(stackdest) > 4) {
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42 fprintf(stderr,
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43 "error: stack destination arg may not exceed 4 characters\n");
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44 exit(1);
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45 }
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46 intlen = 12 + strlen(primarg) + 1;
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47 pktlen = intlen + 4;
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48 if (pktlen > MAX_PKT_TO_TARGET) {
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49 fprintf(stderr, "error: max pkt to target limit exceeded\n");
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50 exit(1);
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51 }
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52 /* fill out the packet */
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53 sendpkt[0] = RVT_L23_HEADER;
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54 sendpkt[1] = 0xB7; /* system prim */
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55 sendpkt[2] = intlen;
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56 sendpkt[3] = intlen >> 8;
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57 /* send zeros for the timestamp */
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58 sendpkt[4] = 0;
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59 sendpkt[5] = 0;
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60 sendpkt[6] = 0;
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61 sendpkt[7] = 0;
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62 /* as far as TI's sw is concerned, we are PCO */
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63 sendpkt[8] = 'P';
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64 sendpkt[9] = 'C';
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65 sendpkt[10] = 'O';
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66 sendpkt[11] = ' ';
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67 sprintf(sendpkt + 12, "%-4s%s", stackdest, primarg);
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68 /* send it! */
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69 send_pkt_to_target(sendpkt, pktlen);
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70 exit(0);
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71 }