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annotate simtool/dispatch.c @ 95:5f826e428641

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fc-simtool: readef command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Jan 2021 20:47:00 +0000
parents 226b231d00f3
children a5dfab380a90
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1 /*
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2 * This module implements the command dispatch for fc-simtool
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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 <ctype.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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11 #include <pcsclite.h>
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12 #include <winscard.h>
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13 #include "globals.h"
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14
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15 extern int cmd_readbin();
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16 extern int cmd_readef();
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17 extern int cmd_readrec();
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18 extern int cmd_select();
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19
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20 extern int display_sim_resp_in_hex();
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21
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22 cmd_exit()
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23 {
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24 SCardDisconnect(hCard, SCARD_UNPOWER_CARD);
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25 SCardReleaseContext(hContext);
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26 exit(0);
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27 }
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28
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29 static struct cmdtab {
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30 char *cmd;
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31 int minargs;
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32 int maxargs;
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33 int (*func)();
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34 } cmdtab[] = {
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35 {"exit", 0, 0, cmd_exit},
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36 {"quit", 0, 0, cmd_exit},
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37 {"readbin", 2, 2, cmd_readbin},
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38 {"readef", 1, 1, cmd_readef},
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39 {"readrec", 1, 2, cmd_readrec},
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40 {"select", 1, 1, cmd_select},
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41 {"sim-resp", 0, 0, display_sim_resp_in_hex},
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42 {0, 0, 0, 0}
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43 };
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44
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45 simtool_dispatch_cmd(cmd)
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46 char *cmd;
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47 {
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48 char *argv[10];
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49 char *cp, **ap;
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50 struct cmdtab *tp;
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51
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52 for (cp = cmd; isspace(*cp); cp++)
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53 ;
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54 if (!*cp || *cp == '#')
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55 return(0);
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56 argv[0] = cp;
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57 while (*cp && !isspace(*cp))
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58 cp++;
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59 if (*cp)
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60 *cp++ = '\0';
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61 for (tp = cmdtab; tp->cmd; tp++)
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62 if (!strcmp(tp->cmd, argv[0]))
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63 break;
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64 if (!tp->func) {
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65 fprintf(stderr, "error: no such command\n");
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66 return(-1);
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67 }
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68 for (ap = argv + 1; ; ) {
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69 while (isspace(*cp))
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70 cp++;
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71 if (!*cp || *cp == '#')
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72 break;
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73 if (ap - argv - 1 >= tp->maxargs) {
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74 fprintf(stderr, "error: too many arguments\n");
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75 return(-1);
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76 }
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77 *ap++ = cp;
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78 while (*cp && !isspace(*cp))
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79 cp++;
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80 if (*cp)
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81 *cp++ = '\0';
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82 }
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83 if (ap - argv - 1 < tp->minargs) {
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84 fprintf(stderr, "error: too few arguments\n");
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85 return(-1);
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86 }
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87 *ap = 0;
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88 return tp->func(ap - argv, argv);
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89 }