FreeCalypso > hg > sms-coding-utils

annotate gen-pdu/input.c @ 10:17dd30989c0b

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sms-gen-tpdu: fix bug in GSM7 data source
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 05 Aug 2023 07:47:22 +0000
parents 003660a57f99
children d9d722033ff1
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9
003660a57f99 new program sms-gen-tpdu
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This module implements input handling for sms-gen-tpdu.
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3 */
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4
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5 #include <ctype.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include "error.h"
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11
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12 extern char input_line[];
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13 extern int input_lineno;
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14
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15 extern void set_sc_addr();
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16 extern void set_user_addr();
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17 extern void set_mr_byte();
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18 extern void set_pid_byte();
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19 extern void set_dcs();
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20 extern void set_scts();
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21 extern void cmd_msg_plain();
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22 extern void cmd_msg_udh();
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23
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24 static struct cmdtab {
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25 char *cmd;
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26 int minargs;
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27 int maxargs;
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28 void (*func)();
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29 } cmdtab[] = {
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30 {"sc-addr", 1, 1, set_sc_addr},
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31 {"user-addr", 1, 1, set_user_addr},
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32 {"mr", 1, 1, set_mr_byte},
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33 {"pid", 1, 1, set_pid_byte},
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34 {"dcs", 2, 2, set_dcs},
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35 {"sc-ts", 1, 1, set_scts},
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36 {"msg", 1, 1, cmd_msg_plain},
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37 {"msg-udh", 1, 1, cmd_msg_udh},
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38 /* table search terminator */
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39 {0, 0, 0, 0}
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40 };
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41
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42 void
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43 process_input_line()
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44 {
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45 char *argv[10];
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46 char *cp, **ap;
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47 struct cmdtab *tp;
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48
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49 cp = index(input_line, '\n');
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50 if (!cp) {
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51 fprintf(stderr, ERR_PREFIX "missing newline\n", input_lineno);
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52 exit(1);
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53 }
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54 for (cp = input_line; isspace(*cp); cp++)
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55 ;
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56 if (*cp == '\0' || *cp == '#')
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57 return;
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58 argv[0] = cp;
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59 while (*cp && !isspace(*cp))
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60 cp++;
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61 if (*cp)
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62 *cp++ = '\0';
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63 for (tp = cmdtab; tp->cmd; tp++)
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64 if (!strcmp(tp->cmd, argv[0]))
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65 break;
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66 if (!tp->func) {
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67 fprintf(stderr, ERR_PREFIX "invalid command \"%s\"\n",
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68 input_lineno, argv[0]);
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69 exit(1);
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70 }
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71 for (ap = argv + 1; ; ) {
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72 while (isspace(*cp))
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73 cp++;
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74 if (!*cp || *cp == '#')
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75 break;
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76 if (ap - argv - 1 >= tp->maxargs) {
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77 fprintf(stderr, ERR_PREFIX "too many arguments\n",
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78 input_lineno);
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79 exit(1);
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80 }
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81 if (*cp == '"') {
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82 *ap++ = ++cp;
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83 for (;;) {
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84 if (!*cp) {
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85 unterm_qstring: fprintf(stderr, ERR_PREFIX
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86 "unterminated quoted string\n",
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87 input_lineno);
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88 exit(1);
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89 }
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90 if (*cp == '"')
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91 break;
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92 if (*cp++ == '\\') {
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93 if (!*cp)
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94 goto unterm_qstring;
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95 cp++;
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96 }
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97 }
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98 *cp++ = '\0';
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99 } else {
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100 *ap++ = cp;
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101 while (*cp && !isspace(*cp))
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102 cp++;
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103 if (*cp)
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104 *cp++ = '\0';
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105 }
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106 }
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107 if (ap - argv - 1 < tp->minargs) {
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108 fprintf(stderr, ERR_PREFIX "too few arguments\n", input_lineno);
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109 exit(1);
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110 }
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111 *ap = 0;
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112 tp->func(ap - argv, argv);
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113 }