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annotate uptools/sms-pdu-decode/sms-pdu-decode.c @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents 7da1ac6431dc
children
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1 #include <sys/types.h>
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2 #include <ctype.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <string.h>
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6 #include <strings.h>
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7 #include <unistd.h>
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8
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9 extern int ascii_ext_mode, global_hexdump_mode;
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10 extern u_char pdu[176];
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11 extern unsigned pdu_length;
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12
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13 static char *infname;
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14 static FILE *inf;
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15 static int keep_raw_pdu, pdu_has_sca = 1;
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17 static char input_line[1024];
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19 static
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20 process_cmdline(argc, argv)
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21 char **argv;
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22 {
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23 int c;
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24 extern int optind;
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25
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26 while ((c = getopt(argc, argv, "ehnpu")) != EOF)
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27 switch (c) {
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28 case 'e':
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29 ascii_ext_mode = 1;
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30 continue;
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31 case 'h':
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32 global_hexdump_mode = 1;
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33 continue;
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34 case 'n':
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35 pdu_has_sca = 0;
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36 continue;
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37 case 'p':
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38 keep_raw_pdu = 1;
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39 continue;
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40 case 'u':
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41 ascii_ext_mode = 2;
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42 continue;
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43 default:
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44 fprintf(stderr, "%s: invalid option\n", argv[0]);
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45 exit(1);
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46 }
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47 if (argc > optind)
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48 infname = argv[optind];
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49 }
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50
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51 static
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52 swallow_empty_line()
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53 {
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54 int c;
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55
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56 c = getc(inf);
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57 if (c != '\n')
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58 ungetc(c, inf);
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59 }
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61 main(argc, argv)
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62 char **argv;
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63 {
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64 char *nl;
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65 int lineno, cc;
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66
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67 process_cmdline(argc, argv);
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68 if (infname) {
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69 inf = fopen(infname, "r");
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70 if (!inf) {
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71 perror(infname);
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72 exit(1);
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73 }
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74 } else {
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75 inf = stdin;
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76 infname = "stdin";
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77 }
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78 for (lineno = 1; fgets(input_line, sizeof input_line, inf); lineno++) {
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79 nl = index(input_line, '\n');
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80 if (!nl) {
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81 fprintf(stderr, "%s line %d: no newline\n",
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82 infname, lineno);
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83 exit(1);
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84 }
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85 *nl = '\0';
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86 cc = decode_hex_line(input_line, pdu, sizeof pdu);
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87 if (cc <= 0) {
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88 puts(input_line);
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89 continue;
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90 }
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91 pdu_length = cc;
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92 if (keep_raw_pdu)
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93 printf("%s\n\n", input_line);
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94 process_pdu(1, pdu_has_sca);
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95 putchar('\n');
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96 swallow_empty_line();
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97 }
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98 exit(0);
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99 }