FreeCalypso > hg > freecalypso-tools

annotate rvinterf/old/g23sh/main.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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e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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2 * This module contains the main() function for g23sh.
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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3 */
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Mychaela Falconia <falcon@freecalypso.org>
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4
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Mychaela Falconia <falcon@freecalypso.org>
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5 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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6 #include <sys/errno.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include <unistd.h>
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Mychaela Falconia <falcon@freecalypso.org>
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10
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Mychaela Falconia <falcon@freecalypso.org>
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11 char *socket_pathname = "/tmp/rvinterf_socket";
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Mychaela Falconia <falcon@freecalypso.org>
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12 int ttyhacks, dflag;
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13
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Mychaela Falconia <falcon@freecalypso.org>
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14 int sock;
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Mychaela Falconia <falcon@freecalypso.org>
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15
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Mychaela Falconia <falcon@freecalypso.org>
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16 extern char *rvinterf_Bopt, *rvinterf_lopt, *rvinterf_wopt;
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17
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18 main(argc, argv)
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19 char **argv;
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Mychaela Falconia <falcon@freecalypso.org>
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20 {
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Mychaela Falconia <falcon@freecalypso.org>
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21 extern int optind;
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Mychaela Falconia <falcon@freecalypso.org>
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22 extern char *optarg;
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Mychaela Falconia <falcon@freecalypso.org>
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23 int c;
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Mychaela Falconia <falcon@freecalypso.org>
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24 fd_set fds;
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Mychaela Falconia <falcon@freecalypso.org>
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25
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26 while ((c = getopt(argc, argv, "B:dl:s:w:")) != EOF)
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Mychaela Falconia <falcon@freecalypso.org>
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27 switch (c) {
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Mychaela Falconia <falcon@freecalypso.org>
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28 case 'B':
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Mychaela Falconia <falcon@freecalypso.org>
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29 rvinterf_Bopt = optarg;
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Mychaela Falconia <falcon@freecalypso.org>
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30 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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31 case 'd':
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Mychaela Falconia <falcon@freecalypso.org>
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32 dflag++;
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Mychaela Falconia <falcon@freecalypso.org>
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33 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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34 case 'l':
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Mychaela Falconia <falcon@freecalypso.org>
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35 rvinterf_lopt = optarg;
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Mychaela Falconia <falcon@freecalypso.org>
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36 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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37 case 's':
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38 socket_pathname = optarg;
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Mychaela Falconia <falcon@freecalypso.org>
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39 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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40 case 'w':
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Mychaela Falconia <falcon@freecalypso.org>
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41 rvinterf_wopt = optarg;
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Mychaela Falconia <falcon@freecalypso.org>
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42 continue;
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Mychaela Falconia <falcon@freecalypso.org>
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43 case '?':
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Mychaela Falconia <falcon@freecalypso.org>
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44 default:
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Mychaela Falconia <falcon@freecalypso.org>
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45 usage: fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
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46 "usage: %s [options] [ttyport]\n", argv[0]);
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Mychaela Falconia <falcon@freecalypso.org>
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47 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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48 }
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Mychaela Falconia <falcon@freecalypso.org>
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49 switch (argc - optind) {
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Mychaela Falconia <falcon@freecalypso.org>
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50 case 0:
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Mychaela Falconia <falcon@freecalypso.org>
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51 if (rvinterf_Bopt || rvinterf_lopt || rvinterf_wopt) {
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Mychaela Falconia <falcon@freecalypso.org>
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52 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
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53 "%s: -B, -l and -w options are meaningful only when launching rvinterf\n",
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Mychaela Falconia <falcon@freecalypso.org>
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54 argv[0]);
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Mychaela Falconia <falcon@freecalypso.org>
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55 exit(1);
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Mychaela Falconia <falcon@freecalypso.org>
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56 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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57 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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58 case 1:
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Mychaela Falconia <falcon@freecalypso.org>
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59 launch_rvinterf(argv[optind]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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60 break;
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Mychaela Falconia <falcon@freecalypso.org>
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61 default:
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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62 goto usage;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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63 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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64
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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65 ttyhacks = isatty(0) && !dflag;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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66 init();
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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67 tty_init();
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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68 for (;;) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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69 FD_ZERO(&fds);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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70 FD_SET(0, &fds);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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71 FD_SET(sock, &fds);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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72 c = select(sock+1, &fds, 0, 0, 0);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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73 if (c < 0) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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74 if (errno == EINTR)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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75 continue;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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76 tty_cleanup();
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
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77 perror("select");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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78 exit(1);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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79 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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80 if (FD_ISSET(0, &fds))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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81 handle_tty_input();
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
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82 if (FD_ISSET(sock, &fds))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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83 handle_rvinterf_input();
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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84 fflush(stdout);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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85 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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86 }