OpenWrt – Blame information for rev 1
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Rev | Author | Line No. | Line |
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1 | office | 1 | /* |
2 | * Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org> |
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3 | * |
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4 | * This tool was based on: |
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5 | * TP-Link WR941 V2 firmware checksum fixing tool. |
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6 | * Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn> |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or modify it |
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9 | * under the terms of the GNU General Public License version 2 as published |
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10 | * by the Free Software Foundation. |
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11 | * |
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12 | */ |
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13 | |||
14 | #include <stdio.h> |
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15 | #include <stdlib.h> |
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16 | #include <stdint.h> |
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17 | #include <string.h> |
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18 | #include <unistd.h> /* for unlink() */ |
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19 | #include <libgen.h> |
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20 | #include <getopt.h> /* for getopt() */ |
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21 | #include <stdarg.h> |
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22 | #include <stdbool.h> |
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23 | #include <endian.h> |
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24 | #include <errno.h> |
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25 | #include <sys/stat.h> |
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26 | |||
27 | #include <arpa/inet.h> |
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28 | #include <netinet/in.h> |
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29 | |||
30 | #include "md5.h" |
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31 | #include "mktplinkfw-lib.h" |
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32 | |||
33 | #define HEADER_VERSION_V1 0x01000000 |
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34 | #define HEADER_VERSION_V2 0x02000000 |
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35 | |||
36 | struct fw_header { |
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37 | uint32_t version; /* header version */ |
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38 | char vendor_name[24]; |
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39 | char fw_version[36]; |
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40 | uint32_t hw_id; /* hardware id */ |
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41 | uint32_t hw_rev; /* hardware revision */ |
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42 | uint32_t region_code; /* region code */ |
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43 | uint8_t md5sum1[MD5SUM_LEN]; |
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44 | uint32_t unk2; |
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45 | uint8_t md5sum2[MD5SUM_LEN]; |
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46 | uint32_t unk3; |
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47 | uint32_t kernel_la; /* kernel load address */ |
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48 | uint32_t kernel_ep; /* kernel entry point */ |
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49 | uint32_t fw_length; /* total length of the firmware */ |
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50 | uint32_t kernel_ofs; /* kernel data offset */ |
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51 | uint32_t kernel_len; /* kernel data length */ |
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52 | uint32_t rootfs_ofs; /* rootfs data offset */ |
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53 | uint32_t rootfs_len; /* rootfs data length */ |
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54 | uint32_t boot_ofs; /* bootloader data offset */ |
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55 | uint32_t boot_len; /* bootloader data length */ |
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56 | uint16_t ver_hi; |
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57 | uint16_t ver_mid; |
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58 | uint16_t ver_lo; |
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59 | uint8_t pad[130]; |
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60 | char region_str1[32]; |
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61 | char region_str2[32]; |
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62 | uint8_t pad2[160]; |
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63 | } __attribute__ ((packed)); |
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64 | |||
65 | struct fw_region { |
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66 | char name[4]; |
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67 | uint32_t code; |
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68 | }; |
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69 | |||
70 | |||
71 | /* |
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72 | * Globals |
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73 | */ |
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74 | char *ofname; |
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75 | char *progname; |
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76 | static char *vendor = "TP-LINK Technologies"; |
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77 | static char *version = "ver. 1.0"; |
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78 | static char *fw_ver = "0.0.0"; |
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79 | static uint32_t hdr_ver = HEADER_VERSION_V1; |
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80 | |||
81 | static char *layout_id; |
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82 | struct flash_layout *layout; |
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83 | static char *opt_hw_id; |
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84 | static uint32_t hw_id; |
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85 | static char *opt_hw_rev; |
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86 | static uint32_t hw_rev; |
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87 | static uint32_t opt_hdr_ver = 1; |
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88 | static char *country; |
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89 | static const struct fw_region *region; |
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90 | static int fw_ver_lo; |
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91 | static int fw_ver_mid; |
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92 | static int fw_ver_hi; |
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93 | struct file_info kernel_info; |
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94 | static uint32_t kernel_la = 0; |
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95 | static uint32_t kernel_ep = 0; |
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96 | uint32_t kernel_len = 0; |
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97 | struct file_info rootfs_info; |
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98 | uint32_t rootfs_ofs = 0; |
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99 | uint32_t rootfs_align; |
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100 | static struct file_info boot_info; |
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101 | int combined; |
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102 | int strip_padding; |
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103 | int add_jffs2_eof; |
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104 | static uint32_t fw_max_len; |
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105 | static uint32_t reserved_space; |
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106 | |||
107 | static struct file_info inspect_info; |
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108 | static int extract = 0; |
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109 | static bool endian_swap = false; |
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110 | static bool rootfs_ofs_calc = false; |
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111 | |||
112 | static const char md5salt_normal[MD5SUM_LEN] = { |
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113 | 0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb, |
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114 | 0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38, |
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115 | }; |
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116 | |||
117 | static const char md5salt_boot[MD5SUM_LEN] = { |
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118 | 0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa, |
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119 | 0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42, |
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120 | }; |
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121 | |||
122 | static struct flash_layout layouts[] = { |
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123 | { |
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124 | .id = "4M", |
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125 | .fw_max_len = 0x3c0000, |
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126 | .kernel_la = 0x80060000, |
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127 | .kernel_ep = 0x80060000, |
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128 | .rootfs_ofs = 0x140000, |
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129 | }, { |
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130 | .id = "4Mlzma", |
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131 | .fw_max_len = 0x3c0000, |
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132 | .kernel_la = 0x80060000, |
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133 | .kernel_ep = 0x80060000, |
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134 | .rootfs_ofs = 0x100000, |
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135 | }, { |
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136 | .id = "8M", |
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137 | .fw_max_len = 0x7c0000, |
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138 | .kernel_la = 0x80060000, |
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139 | .kernel_ep = 0x80060000, |
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140 | .rootfs_ofs = 0x140000, |
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141 | }, { |
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142 | .id = "8Mlzma", |
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143 | .fw_max_len = 0x7c0000, |
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144 | .kernel_la = 0x80060000, |
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145 | .kernel_ep = 0x80060000, |
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146 | .rootfs_ofs = 0x100000, |
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147 | }, { |
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148 | .id = "16M", |
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149 | .fw_max_len = 0xf80000, |
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150 | .kernel_la = 0x80060000, |
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151 | .kernel_ep = 0x80060000, |
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152 | .rootfs_ofs = 0x140000, |
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153 | }, { |
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154 | .id = "16Mlzma", |
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155 | .fw_max_len = 0xf80000, |
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156 | .kernel_la = 0x80060000, |
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157 | .kernel_ep = 0x80060000, |
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158 | .rootfs_ofs = 0x100000, |
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159 | }, { |
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160 | .id = "16Mppc", |
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161 | .fw_max_len = 0xf80000, |
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162 | .kernel_la = 0x00000000 , |
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163 | .kernel_ep = 0xc0000000, |
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164 | .rootfs_ofs = 0x2a0000, |
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165 | }, { |
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166 | /* terminating entry */ |
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167 | } |
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168 | }; |
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169 | |||
170 | static const struct fw_region regions[] = { |
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171 | /* Default region (universal) uses code 0 as well */ |
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172 | {"US", 1}, |
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173 | {"EU", 0}, |
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174 | {"BR", 0}, |
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175 | }; |
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176 | |||
177 | static const struct fw_region * find_region(const char *country) { |
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178 | size_t i; |
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179 | |||
180 | for (i = 0; i < ARRAY_SIZE(regions); i++) { |
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181 | if (strcasecmp(regions[i].name, country) == 0) |
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182 | return ®ions[i]; |
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183 | } |
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184 | |||
185 | return NULL; |
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186 | } |
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187 | |||
188 | static void usage(int status) |
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189 | { |
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190 | fprintf(stderr, "Usage: %s [OPTIONS...]\n", progname); |
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191 | fprintf(stderr, |
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192 | "\n" |
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193 | "Options:\n" |
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194 | " -c use combined kernel image\n" |
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195 | " -e swap endianness in kernel load address and entry point\n" |
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196 | " -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n" |
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197 | " -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n" |
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198 | " -H <hwid> use hardware id specified with <hwid>\n" |
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199 | " -W <hwrev> use hardware revision specified with <hwrev>\n" |
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200 | " -C <country> set region code to <country>\n" |
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201 | " -F <id> use flash layout specified with <id>\n" |
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202 | " -k <file> read kernel image from the file <file>\n" |
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203 | " -r <file> read rootfs image from the file <file>\n" |
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204 | " -a <align> align the rootfs start on an <align> bytes boundary\n" |
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205 | " -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n" |
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206 | " -O calculate rootfs offset for combined images\n" |
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207 | " -o <file> write output to the file <file>\n" |
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208 | " -s strip padding from the end of the image\n" |
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209 | " -j add jffs2 end-of-filesystem markers\n" |
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210 | " -N <vendor> set image vendor to <vendor>\n" |
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211 | " -V <version> set image version to <version>\n" |
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212 | " -v <version> set firmware version to <version>\n" |
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213 | " -m <version> set header version to <version>\n" |
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214 | " -i <file> inspect given firmware file <file>\n" |
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215 | " -x extract kernel and rootfs while inspecting (requires -i)\n" |
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216 | " -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n" |
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217 | " -h show this screen\n" |
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218 | ); |
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219 | |||
220 | exit(status); |
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221 | } |
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222 | |||
223 | static int check_options(void) |
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224 | { |
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225 | int ret; |
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226 | int exceed_bytes; |
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227 | |||
228 | if (inspect_info.file_name) { |
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229 | ret = get_file_stat(&inspect_info); |
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230 | if (ret) |
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231 | return ret; |
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232 | |||
233 | return 0; |
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234 | } else if (extract) { |
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235 | ERR("no firmware for inspection specified"); |
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236 | return -1; |
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237 | } |
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238 | |||
239 | if (opt_hw_id == NULL) { |
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240 | ERR("hardware id not specified"); |
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241 | return -1; |
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242 | } |
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243 | hw_id = strtoul(opt_hw_id, NULL, 0); |
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244 | |||
245 | if (!combined && layout_id == NULL) { |
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246 | ERR("flash layout is not specified"); |
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247 | return -1; |
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248 | } |
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249 | |||
250 | if (opt_hw_rev) |
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251 | hw_rev = strtoul(opt_hw_rev, NULL, 0); |
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252 | else |
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253 | hw_rev = 1; |
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254 | |||
255 | if (country) { |
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256 | region = find_region(country); |
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257 | if (!region) { |
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258 | ERR("unknown region code \"%s\"", country); |
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259 | return -1; |
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260 | } |
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261 | } |
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262 | |||
263 | if (combined) { |
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264 | if (!kernel_la || !kernel_ep) { |
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265 | ERR("kernel loading address and entry point must be specified for combined image"); |
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266 | return -1; |
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267 | } |
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268 | } else { |
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269 | layout = find_layout(layouts, layout_id); |
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270 | if (layout == NULL) { |
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271 | ERR("unknown flash layout \"%s\"", layout_id); |
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272 | return -1; |
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273 | } |
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274 | |||
275 | if (!kernel_la) |
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276 | kernel_la = layout->kernel_la; |
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277 | if (!kernel_ep) |
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278 | kernel_ep = layout->kernel_ep; |
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279 | if (!rootfs_ofs) |
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280 | rootfs_ofs = layout->rootfs_ofs; |
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281 | |||
282 | if (reserved_space > layout->fw_max_len) { |
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283 | ERR("reserved space is not valid"); |
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284 | return -1; |
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285 | } |
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286 | } |
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287 | |||
288 | if (kernel_info.file_name == NULL) { |
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289 | ERR("no kernel image specified"); |
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290 | return -1; |
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291 | } |
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292 | |||
293 | ret = get_file_stat(&kernel_info); |
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294 | if (ret) |
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295 | return ret; |
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296 | |||
297 | kernel_len = kernel_info.file_size; |
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298 | |||
299 | if (!combined) { |
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300 | fw_max_len = layout->fw_max_len - reserved_space; |
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301 | |||
302 | if (rootfs_info.file_name == NULL) { |
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303 | ERR("no rootfs image specified"); |
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304 | return -1; |
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305 | } |
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306 | |||
307 | ret = get_file_stat(&rootfs_info); |
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308 | if (ret) |
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309 | return ret; |
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310 | |||
311 | if (rootfs_align) { |
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312 | kernel_len += sizeof(struct fw_header); |
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313 | rootfs_ofs = ALIGN(kernel_len, rootfs_align); |
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314 | kernel_len -= sizeof(struct fw_header); |
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315 | |||
316 | DBG("rootfs offset aligned to 0x%u", rootfs_ofs); |
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317 | |||
318 | exceed_bytes = kernel_len + rootfs_info.file_size - (fw_max_len - sizeof(struct fw_header)); |
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319 | if (exceed_bytes > 0) { |
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320 | ERR("images are too big by %i bytes", exceed_bytes); |
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321 | return -1; |
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322 | } |
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323 | } else { |
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324 | exceed_bytes = kernel_info.file_size - (rootfs_ofs - sizeof(struct fw_header)); |
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325 | if (exceed_bytes > 0) { |
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326 | ERR("kernel image is too big by %i bytes", exceed_bytes); |
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327 | return -1; |
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328 | } |
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329 | |||
330 | exceed_bytes = rootfs_info.file_size - (fw_max_len - rootfs_ofs); |
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331 | if (exceed_bytes > 0) { |
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332 | ERR("rootfs image is too big by %i bytes", exceed_bytes); |
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333 | return -1; |
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334 | } |
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335 | } |
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336 | } |
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337 | |||
338 | if (ofname == NULL) { |
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339 | ERR("no output file specified"); |
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340 | return -1; |
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341 | } |
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342 | |||
343 | ret = sscanf(fw_ver, "%d.%d.%d", &fw_ver_hi, &fw_ver_mid, &fw_ver_lo); |
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344 | if (ret != 3) { |
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345 | ERR("invalid firmware version '%s'", fw_ver); |
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346 | return -1; |
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347 | } |
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348 | |||
349 | if (opt_hdr_ver == 1) { |
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350 | hdr_ver = HEADER_VERSION_V1; |
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351 | } else if (opt_hdr_ver == 2) { |
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352 | hdr_ver = HEADER_VERSION_V2; |
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353 | } else { |
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354 | ERR("invalid header version '%u'", opt_hdr_ver); |
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355 | return -1; |
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356 | } |
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357 | |||
358 | return 0; |
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359 | } |
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360 | |||
361 | void fill_header(char *buf, int len) |
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362 | { |
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363 | struct fw_header *hdr = (struct fw_header *)buf; |
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364 | |||
365 | memset(hdr, 0, sizeof(struct fw_header)); |
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366 | |||
367 | hdr->version = htonl(hdr_ver); |
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368 | strncpy(hdr->vendor_name, vendor, sizeof(hdr->vendor_name)); |
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369 | strncpy(hdr->fw_version, version, sizeof(hdr->fw_version)); |
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370 | hdr->hw_id = htonl(hw_id); |
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371 | hdr->hw_rev = htonl(hw_rev); |
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372 | |||
373 | hdr->kernel_la = htonl(kernel_la); |
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374 | hdr->kernel_ep = htonl(kernel_ep); |
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375 | hdr->kernel_ofs = htonl(sizeof(struct fw_header)); |
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376 | hdr->kernel_len = htonl(kernel_len); |
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377 | |||
378 | if (!combined) { |
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379 | if (boot_info.file_size == 0) |
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380 | memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1)); |
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381 | else |
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382 | memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1)); |
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383 | |||
384 | hdr->fw_length = htonl(layout->fw_max_len); |
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385 | hdr->rootfs_ofs = htonl(rootfs_ofs); |
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386 | hdr->rootfs_len = htonl(rootfs_info.file_size); |
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387 | } |
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388 | |||
389 | if (combined && rootfs_ofs_calc) { |
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390 | hdr->rootfs_ofs = htonl(sizeof(struct fw_header) + kernel_len); |
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391 | } |
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392 | |||
393 | hdr->ver_hi = htons(fw_ver_hi); |
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394 | hdr->ver_mid = htons(fw_ver_mid); |
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395 | hdr->ver_lo = htons(fw_ver_lo); |
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396 | |||
397 | if (region) { |
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398 | hdr->region_code = htonl(region->code); |
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399 | snprintf( |
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400 | hdr->region_str1, sizeof(hdr->region_str1), "00000000;%02X%02X%02X%02X;", |
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401 | region->name[0], region->name[1], region->name[2], region->name[3] |
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402 | ); |
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403 | snprintf( |
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404 | hdr->region_str2, sizeof(hdr->region_str2), "%02X%02X%02X%02X", |
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405 | region->name[0], region->name[1], region->name[2], region->name[3] |
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406 | ); |
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407 | } |
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408 | |||
409 | if (endian_swap) { |
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410 | hdr->kernel_la = bswap_32(hdr->kernel_la); |
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411 | hdr->kernel_ep = bswap_32(hdr->kernel_ep); |
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412 | } |
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413 | |||
414 | if (!combined) |
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415 | get_md5(buf, len, hdr->md5sum1); |
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416 | } |
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417 | |||
418 | static int inspect_fw(void) |
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419 | { |
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420 | char *buf; |
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421 | struct fw_header *hdr; |
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422 | uint8_t md5sum[MD5SUM_LEN]; |
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423 | int ret = EXIT_FAILURE; |
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424 | |||
425 | buf = malloc(inspect_info.file_size); |
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426 | if (!buf) { |
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427 | ERR("no memory for buffer!\n"); |
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428 | goto out; |
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429 | } |
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430 | |||
431 | ret = read_to_buf(&inspect_info, buf); |
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432 | if (ret) |
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433 | goto out_free_buf; |
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434 | hdr = (struct fw_header *)buf; |
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435 | |||
436 | inspect_fw_pstr("File name", inspect_info.file_name); |
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437 | inspect_fw_phexdec("File size", inspect_info.file_size); |
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438 | |||
439 | if ((ntohl(hdr->version) != HEADER_VERSION_V1) && |
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440 | (ntohl(hdr->version) != HEADER_VERSION_V2)) { |
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441 | ERR("file does not seem to have V1/V2 header!\n"); |
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442 | goto out_free_buf; |
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443 | } |
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444 | |||
445 | inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header)); |
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446 | |||
447 | memcpy(md5sum, hdr->md5sum1, sizeof(md5sum)); |
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448 | if (ntohl(hdr->boot_len) == 0) |
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449 | memcpy(hdr->md5sum1, md5salt_normal, sizeof(md5sum)); |
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450 | else |
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451 | memcpy(hdr->md5sum1, md5salt_boot, sizeof(md5sum)); |
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452 | get_md5(buf, inspect_info.file_size, hdr->md5sum1); |
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453 | |||
454 | if (memcmp(md5sum, hdr->md5sum1, sizeof(md5sum))) { |
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455 | inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(*ERROR*)"); |
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456 | inspect_fw_pmd5sum(" --> expected", hdr->md5sum1, ""); |
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457 | } else { |
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458 | inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(ok)"); |
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459 | } |
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460 | if (ntohl(hdr->unk2) != 0) |
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461 | inspect_fw_phexdec("Unknown value 2", hdr->unk2); |
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462 | inspect_fw_pmd5sum("Header MD5Sum2", hdr->md5sum2, |
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463 | "(purpose yet unknown, unchecked here)"); |
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464 | if (ntohl(hdr->unk3) != 0) |
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465 | inspect_fw_phexdec("Unknown value 3", hdr->unk3); |
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466 | |||
467 | printf("\n"); |
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468 | |||
469 | inspect_fw_pstr("Vendor name", hdr->vendor_name); |
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470 | inspect_fw_pstr("Firmware version", hdr->fw_version); |
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471 | inspect_fw_phex("Hardware ID", ntohl(hdr->hw_id)); |
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472 | inspect_fw_phex("Hardware Revision", ntohl(hdr->hw_rev)); |
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473 | inspect_fw_phex("Region code", ntohl(hdr->region_code)); |
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474 | |||
475 | printf("\n"); |
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476 | |||
477 | inspect_fw_phexdec("Kernel data offset", |
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478 | ntohl(hdr->kernel_ofs)); |
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479 | inspect_fw_phexdec("Kernel data length", |
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480 | ntohl(hdr->kernel_len)); |
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481 | inspect_fw_phex("Kernel load address", |
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482 | ntohl(hdr->kernel_la)); |
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483 | inspect_fw_phex("Kernel entry point", |
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484 | ntohl(hdr->kernel_ep)); |
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485 | inspect_fw_phexdec("Rootfs data offset", |
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486 | ntohl(hdr->rootfs_ofs)); |
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487 | inspect_fw_phexdec("Rootfs data length", |
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488 | ntohl(hdr->rootfs_len)); |
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489 | inspect_fw_phexdec("Boot loader data offset", |
||
490 | ntohl(hdr->boot_ofs)); |
||
491 | inspect_fw_phexdec("Boot loader data length", |
||
492 | ntohl(hdr->boot_len)); |
||
493 | inspect_fw_phexdec("Total firmware length", |
||
494 | ntohl(hdr->fw_length)); |
||
495 | |||
496 | if (extract) { |
||
497 | FILE *fp; |
||
498 | char *filename; |
||
499 | |||
500 | printf("\n"); |
||
501 | |||
502 | filename = malloc(strlen(inspect_info.file_name) + 8); |
||
503 | sprintf(filename, "%s-kernel", inspect_info.file_name); |
||
504 | printf("Extracting kernel to \"%s\"...\n", filename); |
||
505 | fp = fopen(filename, "w"); |
||
506 | if (fp) { |
||
507 | if (!fwrite(buf + ntohl(hdr->kernel_ofs), |
||
508 | ntohl(hdr->kernel_len), 1, fp)) { |
||
509 | ERR("error in fwrite(): %s", strerror(errno)); |
||
510 | } |
||
511 | fclose(fp); |
||
512 | } else { |
||
513 | ERR("error in fopen(): %s", strerror(errno)); |
||
514 | } |
||
515 | free(filename); |
||
516 | |||
517 | filename = malloc(strlen(inspect_info.file_name) + 8); |
||
518 | sprintf(filename, "%s-rootfs", inspect_info.file_name); |
||
519 | printf("Extracting rootfs to \"%s\"...\n", filename); |
||
520 | fp = fopen(filename, "w"); |
||
521 | if (fp) { |
||
522 | if (!fwrite(buf + ntohl(hdr->rootfs_ofs), |
||
523 | ntohl(hdr->rootfs_len), 1, fp)) { |
||
524 | ERR("error in fwrite(): %s", strerror(errno)); |
||
525 | } |
||
526 | fclose(fp); |
||
527 | } else { |
||
528 | ERR("error in fopen(): %s", strerror(errno)); |
||
529 | } |
||
530 | free(filename); |
||
531 | } |
||
532 | |||
533 | out_free_buf: |
||
534 | free(buf); |
||
535 | out: |
||
536 | return ret; |
||
537 | } |
||
538 | |||
539 | int main(int argc, char *argv[]) |
||
540 | { |
||
541 | int ret = EXIT_FAILURE; |
||
542 | |||
543 | progname = basename(argv[0]); |
||
544 | |||
545 | while ( 1 ) { |
||
546 | int c; |
||
547 | |||
548 | c = getopt(argc, argv, "a:H:E:F:L:m:V:N:W:C:ci:k:r:R:o:OxX:ehsjv:"); |
||
549 | if (c == -1) |
||
550 | break; |
||
551 | |||
552 | switch (c) { |
||
553 | case 'a': |
||
554 | sscanf(optarg, "0x%x", &rootfs_align); |
||
555 | break; |
||
556 | case 'H': |
||
557 | opt_hw_id = optarg; |
||
558 | break; |
||
559 | case 'E': |
||
560 | sscanf(optarg, "0x%x", &kernel_ep); |
||
561 | break; |
||
562 | case 'F': |
||
563 | layout_id = optarg; |
||
564 | break; |
||
565 | case 'W': |
||
566 | opt_hw_rev = optarg; |
||
567 | break; |
||
568 | case 'C': |
||
569 | country = optarg; |
||
570 | break; |
||
571 | case 'L': |
||
572 | sscanf(optarg, "0x%x", &kernel_la); |
||
573 | break; |
||
574 | case 'm': |
||
575 | sscanf(optarg, "%u", &opt_hdr_ver); |
||
576 | break; |
||
577 | case 'V': |
||
578 | version = optarg; |
||
579 | break; |
||
580 | case 'v': |
||
581 | fw_ver = optarg; |
||
582 | break; |
||
583 | case 'N': |
||
584 | vendor = optarg; |
||
585 | break; |
||
586 | case 'c': |
||
587 | combined++; |
||
588 | break; |
||
589 | case 'k': |
||
590 | kernel_info.file_name = optarg; |
||
591 | break; |
||
592 | case 'r': |
||
593 | rootfs_info.file_name = optarg; |
||
594 | break; |
||
595 | case 'R': |
||
596 | sscanf(optarg, "0x%x", &rootfs_ofs); |
||
597 | break; |
||
598 | case 'o': |
||
599 | ofname = optarg; |
||
600 | break; |
||
601 | case 'O': |
||
602 | rootfs_ofs_calc = 1; |
||
603 | break; |
||
604 | case 's': |
||
605 | strip_padding = 1; |
||
606 | break; |
||
607 | case 'i': |
||
608 | inspect_info.file_name = optarg; |
||
609 | break; |
||
610 | case 'j': |
||
611 | add_jffs2_eof = 1; |
||
612 | break; |
||
613 | case 'x': |
||
614 | extract = 1; |
||
615 | break; |
||
616 | case 'e': |
||
617 | endian_swap = true; |
||
618 | break; |
||
619 | case 'h': |
||
620 | usage(EXIT_SUCCESS); |
||
621 | break; |
||
622 | case 'X': |
||
623 | sscanf(optarg, "0x%x", &reserved_space); |
||
624 | break; |
||
625 | default: |
||
626 | usage(EXIT_FAILURE); |
||
627 | break; |
||
628 | } |
||
629 | } |
||
630 | |||
631 | ret = check_options(); |
||
632 | if (ret) |
||
633 | goto out; |
||
634 | |||
635 | if (!inspect_info.file_name) |
||
636 | ret = build_fw(sizeof(struct fw_header)); |
||
637 | else |
||
638 | ret = inspect_fw(); |
||
639 | |||
640 | out: |
||
641 | return ret; |
||
642 | } |