FreeCalypso > hg > freecalypso-tools

annotate rvinterf/old/sendsp/sendsp.c @ 921:74d284add54d

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fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents e7502631a0f9
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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7 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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16 main(argc, argv)
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17 char **argv;
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18 {
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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27 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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28 }
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Mychaela Falconia <falcon@freecalypso.org>
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29 if (strcmp(argv[1], "-s")) {
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30 if (argc != 3)
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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42 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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53 sendpkt[0] = RVT_L23_HEADER;
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Mychaela Falconia <falcon@freecalypso.org>
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54 sendpkt[1] = 0xB7; /* system prim */
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Mychaela Falconia <falcon@freecalypso.org>
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55 sendpkt[2] = intlen;
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Mychaela Falconia <falcon@freecalypso.org>
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56 sendpkt[3] = intlen >> 8;
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Mychaela Falconia <falcon@freecalypso.org>
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57 /* send zeros for the timestamp */
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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61 sendpkt[7] = 0;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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62 /* as far as TI's sw is concerned, we are PCO */
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Mychaela Falconia <falcon@freecalypso.org>
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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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Mychaela Falconia <falcon@freecalypso.org>
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68 /* send it! */
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Mychaela Falconia <falcon@freecalypso.org>
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69 send_pkt_to_target(sendpkt, pktlen);
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70 exit(0);
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71 }