FreeCalypso > hg > sms-coding-utils

annotate gen-pdu/input.c @ 16:d9d722033ff1

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sms-gen-tpdu: add support for first octet flags
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 27 Aug 2023 07:32:46 +0000
parents 003660a57f99
children 590b0b5bcbbb
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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 set_flag_rp();
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22 extern void set_flag_sr();
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23 extern void set_flag_lp();
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24 extern void set_flag_mms();
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25 extern void set_flag_rd();
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26 extern void cmd_msg_plain();
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27 extern void cmd_msg_udh();
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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 void (*func)();
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34 } cmdtab[] = {
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35 {"sc-addr", 1, 1, set_sc_addr},
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36 {"user-addr", 1, 1, set_user_addr},
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37 {"mr", 1, 1, set_mr_byte},
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38 {"pid", 1, 1, set_pid_byte},
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39 {"dcs", 2, 2, set_dcs},
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40 {"sc-ts", 1, 1, set_scts},
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41 {"rp", 0, 0, set_flag_rp},
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42 {"sr", 0, 0, set_flag_sr},
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43 {"lp", 0, 0, set_flag_lp},
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44 {"mms", 0, 0, set_flag_mms},
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45 {"rd", 0, 0, set_flag_rd},
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46 {"msg", 1, 1, cmd_msg_plain},
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47 {"msg-udh", 1, 1, cmd_msg_udh},
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48 /* table search terminator */
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49 {0, 0, 0, 0}
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50 };
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51
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52 void
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53 process_input_line()
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54 {
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55 char *argv[10];
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56 char *cp, **ap;
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57 struct cmdtab *tp;
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58
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59 cp = index(input_line, '\n');
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60 if (!cp) {
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61 fprintf(stderr, ERR_PREFIX "missing newline\n", input_lineno);
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62 exit(1);
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63 }
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64 for (cp = input_line; isspace(*cp); cp++)
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65 ;
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66 if (*cp == '\0' || *cp == '#')
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67 return;
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68 argv[0] = cp;
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69 while (*cp && !isspace(*cp))
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70 cp++;
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71 if (*cp)
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72 *cp++ = '\0';
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73 for (tp = cmdtab; tp->cmd; tp++)
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74 if (!strcmp(tp->cmd, argv[0]))
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75 break;
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76 if (!tp->func) {
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77 fprintf(stderr, ERR_PREFIX "invalid command \"%s\"\n",
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78 input_lineno, argv[0]);
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79 exit(1);
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80 }
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81 for (ap = argv + 1; ; ) {
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82 while (isspace(*cp))
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83 cp++;
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84 if (!*cp || *cp == '#')
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85 break;
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86 if (ap - argv - 1 >= tp->maxargs) {
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87 fprintf(stderr, ERR_PREFIX "too many arguments\n",
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88 input_lineno);
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89 exit(1);
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90 }
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91 if (*cp == '"') {
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92 *ap++ = ++cp;
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93 for (;;) {
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94 if (!*cp) {
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95 unterm_qstring: fprintf(stderr, ERR_PREFIX
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96 "unterminated quoted string\n",
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97 input_lineno);
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98 exit(1);
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99 }
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100 if (*cp == '"')
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101 break;
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102 if (*cp++ == '\\') {
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103 if (!*cp)
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104 goto unterm_qstring;
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105 cp++;
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106 }
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107 }
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108 *cp++ = '\0';
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109 } else {
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110 *ap++ = cp;
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111 while (*cp && !isspace(*cp))
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112 cp++;
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113 if (*cp)
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114 *cp++ = '\0';
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115 }
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116 }
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117 if (ap - argv - 1 < tp->minargs) {
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118 fprintf(stderr, ERR_PREFIX "too few arguments\n", input_lineno);
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119 exit(1);
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120 }
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121 *ap = 0;
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122 tp->func(ap - argv, argv);
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123 }