FreeCalypso > hg > freecalypso-tools

annotate rvinterf/lowlevel/format_fc.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 4e243402f453
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0
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1 /*
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2 * This module has been split off from format.c; it implements the decoding
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3 * of those Rx packet types which have been invented in FreeCalypso.
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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 "../include/pktmux.h"
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11 #include "../include/limits.h"
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12
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13 extern u_char rxpkt[];
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14 extern size_t rxpkt_len;
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15
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16 static char fmtbuf[MAX_PKT_FROM_TARGET*8]; /* size it generously */
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17
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18 void
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19 print_ati_output()
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20 {
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21 int i, c;
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22 char *dp;
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23
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24 dp = fmtbuf;
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25 strcpy(dp, "ATI: ");
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26 dp += 5;
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27 for (i = 1; i < rxpkt_len; i++) {
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28 c = rxpkt[i];
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29 if (c & 0x80) {
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30 *dp++ = 'M';
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31 *dp++ = '-';
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32 c &= 0x7F;
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33 }
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34 if (c < 0x20) {
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35 *dp++ = '^';
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36 *dp++ = c + '@';
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37 } else if (c == 0x7F) {
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38 *dp++ = '^';
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39 *dp++ = '?';
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40 } else
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41 *dp++ = c;
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42 }
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43 *dp = '\0';
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44 output_line(fmtbuf);
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45 }
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46
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47 void
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48 print_fc_lld_msg()
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49 {
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50 int i, c;
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51 char *dp;
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52
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53 dp = fmtbuf;
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54 strcpy(dp, "LLD: ");
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55 dp += 5;
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56 for (i = 1; i < rxpkt_len; i++) {
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57 c = rxpkt[i];
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58 if (c & 0x80) {
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59 *dp++ = 'M';
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60 *dp++ = '-';
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61 c &= 0x7F;
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62 }
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63 if (c < 0x20) {
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64 *dp++ = '^';
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65 *dp++ = c + '@';
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66 } else if (c == 0x7F) {
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67 *dp++ = '^';
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68 *dp++ = '?';
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69 } else
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70 *dp++ = c;
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71 }
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72 *dp = '\0';
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73 output_line(fmtbuf);
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74 }
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75
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76 void
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77 print_tch_output_raw()
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78 {
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79 int i;
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80 char *dp;
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81
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82 dp = fmtbuf;
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83 strcpy(dp, "TCH:");
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84 dp += 4;
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85 for (i = 1; i < rxpkt_len; i++) {
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86 sprintf(dp, " %02X", rxpkt[i]);
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87 dp += 3;
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88 }
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89 *dp = '\0';
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90 output_line(fmtbuf);
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91 }
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92
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93 void
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94 report_extui_packet()
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95 {
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96 sprintf(fmtbuf, "LCD OUT: row %u col %u-%u", rxpkt[1], rxpkt[2],
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97 rxpkt[2] + (rxpkt_len - 3) / 2 - 1);
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98 output_line(fmtbuf);
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99 }