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annotate ffstools/tiaud/decomp.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 516066ac5bc1
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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163
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This utility decompiles a binary /aud/*.cfg file read out of FFS
568e2a2b49c8 tiaud-decomp utility written
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3 * into our ASCII text representation.
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4 */
568e2a2b49c8 tiaud-decomp utility written
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5
568e2a2b49c8 tiaud-decomp utility written
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6 #include <sys/types.h>
568e2a2b49c8 tiaud-decomp utility written
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7 #include <sys/file.h>
568e2a2b49c8 tiaud-decomp utility written
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8 #include <sys/stat.h>
568e2a2b49c8 tiaud-decomp utility written
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9 #include <stdio.h>
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10 #include <stdint.h>
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11 #include <endian.h>
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12 #include <stdlib.h>
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13 #include <unistd.h>
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14 #include "binstruct.h"
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15
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16 struct audio_cfg_bin bin;
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17 int is_new_aec;
163
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18 FILE *outf;
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19
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20 read_bin_file(filename)
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21 char *filename;
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22 {
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23 int fd;
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24 struct stat st;
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25
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26 fd = open(filename, O_RDONLY);
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27 if (fd < 0) {
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28 perror(filename);
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29 exit(1);
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30 }
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31 fstat(fd, &st);
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32 if (!S_ISREG(st.st_mode)) {
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33 fprintf(stderr, "%s is not a regular file\n", filename);
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34 exit(1);
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35 }
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36 if (st.st_size == MODE_FILE_SIZE_OLDAEC)
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37 is_new_aec = 0;
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38 else if (st.st_size == MODE_FILE_SIZE_NEWAEC)
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39 is_new_aec = 1;
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40 else {
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41 fprintf(stderr, "%s has the wrong length\n", filename);
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42 exit(1);
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43 }
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44 read(fd, &bin, st.st_size);
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45 close(fd);
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46 }
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47
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48 emit_fir(table)
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49 uint16_t *table;
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50 {
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51 int i;
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52
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53 for (i = 0; i < 31; i++) {
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54 if ((i % 8) == 0)
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55 fprintf(outf, "\tfir %2d", i);
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56 fprintf(outf, " 0x%04X", le16toh(table[i]));
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57 if (i == 7 || i == 15 || i == 23 || i == 30)
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58 putc('\n', outf);
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59 }
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60 }
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61
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62 emit_ascii()
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63 {
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64 int i, num_aec;
163
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65
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66 fprintf(outf, "voice-path %u\n", bin.voice_path);
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67
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68 switch (bin.mic_mode) {
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69 case AUDIO_MICROPHONE_HANDHELD:
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70 fprintf(outf, "mic default {\n");
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71 break;
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72 case AUDIO_MICROPHONE_HANDFREE:
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73 fprintf(outf, "mic aux {\n");
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74 break;
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75 case AUDIO_MICROPHONE_HEADSET:
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76 fprintf(outf, "mic headset {\n");
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77 break;
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78 default:
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79 fprintf(stderr, "error: unknown microphone mode 0x%02X\n",
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80 bin.mic_mode);
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81 exit(1);
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82 }
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83 fprintf(outf, "\tgain %d\n", bin.mic_bytes[0]);
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84 if (bin.mic_mode == AUDIO_MICROPHONE_HANDFREE) {
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85 fprintf(outf, "\textra-gain %d\n", bin.mic_bytes[1]);
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86 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[2]);
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87 } else
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88 fprintf(outf, "\toutput-bias %d\n", bin.mic_bytes[1]);
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89 emit_fir(bin.mic_fir);
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90 fputs("}\n", outf);
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91
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92 switch (bin.speaker_mode) {
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93 case AUDIO_SPEAKER_HANDHELD:
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94 fprintf(outf, "speaker ear {\n");
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95 break;
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96 case AUDIO_SPEAKER_HANDFREE:
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97 fprintf(outf, "speaker aux {\n");
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98 break;
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99 case AUDIO_SPEAKER_HEADSET:
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100 fprintf(outf, "speaker headset {\n");
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101 break;
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102 case AUDIO_SPEAKER_BUZZER:
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103 fprintf(outf, "speaker buzzer {\n");
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104 break;
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105 case AUDIO_SPEAKER_HANDHELD_HANDFREE:
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106 fprintf(outf, "speaker ear+aux {\n");
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107 break;
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108 default:
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109 fprintf(stderr, "error: unknown speaker mode 0x%02X\n",
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110 bin.speaker_mode);
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111 exit(1);
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112 }
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113 if (bin.speaker_mode != AUDIO_SPEAKER_BUZZER) {
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114 fprintf(outf, "\tgain %d\n", bin.speaker_bytes[0]);
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115 fprintf(outf, "\taudio-filter %d\n", bin.speaker_bytes[1]);
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116 emit_fir(bin.speaker_fir);
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117 } else
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118 fprintf(outf, "\tactivate %d\n", bin.speaker_bytes[0]);
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119 fputs("}\n", outf);
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120
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121 fprintf(outf, "sidetone %d\n", bin.sidetone_gain);
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122 if (is_new_aec) {
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123 fputs("aec-new", outf);
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124 num_aec = 12;
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125 } else {
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126 fputs("aec", outf);
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127 num_aec = 5;
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128 }
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129 for (i = 0; i < num_aec; i++) {
163
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130 putc(' ', outf);
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131 if (bin.aec_words[i])
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132 fprintf(outf, "0x%X", le16toh(bin.aec_words[i]));
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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133 else
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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134 putc('0', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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135 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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136 putc('\n', outf);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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137 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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138
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Mychaela Falconia <falcon@freecalypso.org>
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139 main(argc, argv)
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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140 char **argv;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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141 {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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142 if (argc < 2 || argc > 3) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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143 fprintf(stderr, "usage: %s infile [outfile]\n", argv[0]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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144 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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145 }
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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146 read_bin_file(argv[1]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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147 if (argc > 2) {
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Mychaela Falconia <falcon@freecalypso.org>
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148 outf = fopen(argv[2], "w");
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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149 if (!outf) {
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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150 perror(argv[2]);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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151 exit(1);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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152 }
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Mychaela Falconia <falcon@freecalypso.org>
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153 } else
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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154 outf = stdout;
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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155 emit_ascii();
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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156 exit(0);
568e2a2b49c8 tiaud-decomp utility written
Mychaela Falconia <falcon@freecalypso.org>
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157 }