FreeCalypso > hg > freecalypso-tools

annotate ringtools/fc-e1decode.c @ 1011:6d9b10633f10

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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 c8806a5d4a6a
children
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176
2b38691076b9 fc-e1decode utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This program decodes a binary Melody E1 file into the ASCII source format
2b38691076b9 fc-e1decode utility written, compiles
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3 * of our own invention which fc-e1gen accepts as input.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <ctype.h>
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10 #include <string.h>
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11 #include <strings.h>
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12
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13 char *infname;
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14 FILE *inf, *outf;
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15
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16 static unsigned
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17 get_word()
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18 {
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19 u_char b[2];
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20 int i, c;
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21
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22 for (i = 0; i < 2; i++) {
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23 c = getc(inf);
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24 if (c < 0) {
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25 fprintf(stderr, "error: premature EOF in %s\n",
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26 infname);
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27 exit(1);
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28 }
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29 b[i] = c;
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30 }
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31 return((b[1] << 8) | b[0]);
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32 }
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33
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34 do_global_osc_set()
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35 {
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36 unsigned word, osc;
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37
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38 word = get_word();
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39 fprintf(outf, "osc-set (%u)", word & 0xFF);
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40 for (osc = 0; osc < 8; osc++)
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41 if (word & (1 << (osc + 8)))
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42 fprintf(outf, " %u", osc);
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43 putc('\n', outf);
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44 putc('\n', outf);
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45 }
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46
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47 convert_signed_14bit(u)
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48 unsigned u;
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49 {
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50 int i;
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51
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52 i = u;
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53 if (i >= 8192)
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54 i -= 16384;
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55 return (i);
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56 }
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57
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58 convert_signed_5bit(u)
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59 unsigned u;
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60 {
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61 int i;
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62
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63 i = u;
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64 if (i >= 16)
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65 i -= 32;
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66 return (i);
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67 }
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68
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69 process_oscwords(osc, warnflags)
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70 unsigned osc, *warnflags;
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71 {
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72 unsigned word0, word1, extraword;
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73
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74 word0 = get_word();
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75 word1 = get_word();
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76 if (word1 & 0xF)
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77 *warnflags |= 1;
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78 fprintf(outf, "osc %u (%u)", osc, word0 & 1);
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79 if (word0 & 2) {
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80 fprintf(outf, " df %d %u", convert_signed_14bit(word0 >> 2),
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81 word1 >> 6);
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82 } else {
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83 if (word0 & 4)
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84 fputs(" sq1", outf);
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85 if (word0 & 8)
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86 fputs(" sq2", outf);
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87 fprintf(outf, " %u %u %u", (word0 >> 4) & 0x3F, word0 >> 10,
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88 word1 >> 6);
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89 }
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90 if (word1 & 0x10) {
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91 extraword = get_word();
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92 if (extraword & 0xFF)
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93 *warnflags |= 2;
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94 fprintf(outf, " trem %u %d", (extraword >> 8) & 7,
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95 convert_signed_5bit(extraword >> 11));
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96 }
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97 if (word1 & 0x20) {
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98 extraword = get_word();
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99 fprintf(outf, " env %u %u %u %u %u", extraword & 0xF,
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100 extraword >> 13, (extraword >> 10) & 7,
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101 (extraword >> 7) & 7, (extraword >> 4) & 7);
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102 }
178
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103 putc('\n', outf);
176
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104 }
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105
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106 process_block(timeword)
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107 unsigned timeword;
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108 {
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109 unsigned osc, warnflags[8], anywarn;
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110
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111 fprintf(outf, "time %u\n", timeword & 0xFF);
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112 for (osc = 0; osc < 8; osc++) {
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113 warnflags[osc] = 0;
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114 if (timeword & (1 << (osc + 8)))
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115 process_oscwords(osc, warnflags + osc);
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116 }
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117 putc('\n', outf);
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118 anywarn = 0;
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119 for (osc = 0; osc < 8; osc++) {
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120 if (warnflags[osc] & 1) {
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121 fprintf(outf,
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122 "# warning: reserved bits set in osc %u word1 above\n",
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123 osc);
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124 anywarn = 1;
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125 }
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126 if (warnflags[osc] & 2) {
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127 fprintf(outf,
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128 "# warning: reserved bits set in osc %u word2 above\n",
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129 osc);
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130 anywarn = 1;
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131 }
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132 }
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133 if (anywarn)
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134 putc('\n', outf);
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135 }
2b38691076b9 fc-e1decode utility written, compiles
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136
2b38691076b9 fc-e1decode utility written, compiles
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137 main(argc, argv)
2b38691076b9 fc-e1decode utility written, compiles
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138 char **argv;
2b38691076b9 fc-e1decode utility written, compiles
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139 {
2b38691076b9 fc-e1decode utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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140 unsigned timeword;
2b38691076b9 fc-e1decode utility written, compiles
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141
2b38691076b9 fc-e1decode utility written, compiles
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142 if (argc < 2 || argc > 3) {
2b38691076b9 fc-e1decode utility written, compiles
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143 fprintf(stderr, "usage: %s infile [outfile]\n", argv[0]);
2b38691076b9 fc-e1decode utility written, compiles
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144 exit(1);
2b38691076b9 fc-e1decode utility written, compiles
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145 }
2b38691076b9 fc-e1decode utility written, compiles
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146 infname = argv[1];
2b38691076b9 fc-e1decode utility written, compiles
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147 inf = fopen(infname, "r");
2b38691076b9 fc-e1decode utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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148 if (!inf) {
2b38691076b9 fc-e1decode utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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149 perror(infname);
2b38691076b9 fc-e1decode utility written, compiles
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150 exit(1);
2b38691076b9 fc-e1decode utility written, compiles
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151 }
2b38691076b9 fc-e1decode utility written, compiles
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152 if (argc > 2) {
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153 outf = fopen(argv[2], "w");
2b38691076b9 fc-e1decode utility written, compiles
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154 if (!outf) {
2b38691076b9 fc-e1decode utility written, compiles
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155 perror(argv[2]);
2b38691076b9 fc-e1decode utility written, compiles
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156 exit(1);
2b38691076b9 fc-e1decode utility written, compiles
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157 }
2b38691076b9 fc-e1decode utility written, compiles
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158 } else
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159 outf = stdout;
2b38691076b9 fc-e1decode utility written, compiles
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160 do_global_osc_set();
2b38691076b9 fc-e1decode utility written, compiles
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161 for (;;) {
2b38691076b9 fc-e1decode utility written, compiles
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162 timeword = get_word();
2b38691076b9 fc-e1decode utility written, compiles
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163 if (timeword == 0)
2b38691076b9 fc-e1decode utility written, compiles
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164 break;
2b38691076b9 fc-e1decode utility written, compiles
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165 process_block(timeword);
2b38691076b9 fc-e1decode utility written, compiles
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166 }
2b38691076b9 fc-e1decode utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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167 fputs("end\n", outf);
2b38691076b9 fc-e1decode utility written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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168 exit(0);
2b38691076b9 fc-e1decode utility written, compiles
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169 }