FreeCalypso > hg > freecalypso-tools

annotate rvinterf/old/g23sh/pktsort.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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1 /*
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2 * Here we sort out incoming packets from the target relayed via rvinterf.
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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 <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10 #include "pktmux.h"
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11 #include "limits.h"
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12 #include "localsock.h"
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13 #include "localtypes.h"
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14
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15 extern u_char rvi_msg[];
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16 extern int rvi_msg_len;
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17
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18 static void
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19 process_rvt()
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20 {
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21 u32 useid;
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22
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23 if (rvi_msg_len < 7) {
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24 tty_cleanup();
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25 fprintf(stderr, "Error: rvinterf sent us an invalid RVT msg\n");
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26 exit(1);
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27 }
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28 useid = rvi_msg[2] << 24 | rvi_msg[3] << 16 | rvi_msg[4] << 8
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29 | rvi_msg[5];
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30 switch (useid) {
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31 case 0:
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32 handle_useid_0();
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33 return;
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34 default:
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35 tty_cleanup();
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36 fprintf(stderr, "unexpected fwd of USEID %08X from rvinterf\n",
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37 useid);
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38 exit(1);
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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 g23_packet_rx()
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44 {
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45 char fmtbuf[MAX_PKT_FROM_TARGET*8]; /* size it generously */
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46
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47 format_g23_packet(rvi_msg + 1, rvi_msg_len - 1, fmtbuf);
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48 async_msg_output(fmtbuf);
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49 }
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50
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51 void
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52 process_pkt_from_target()
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53 {
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54 switch (rvi_msg[1]) {
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55 case RVT_RV_HEADER:
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56 process_rvt();
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57 return;
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58 case RVT_L23_HEADER:
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59 g23_packet_rx();
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60 return;
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61 default:
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62 tty_cleanup();
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63 fprintf(stderr, "unexpected fwd of MUX %02X from rvinterf\n",
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64 rvi_msg[1]);
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65 exit(1);
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66 }
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67 }