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Rev | Author | Line No. | Line |
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488 | spraid | 1 | ;------------------------------------------------------------------------- |
2 | ; |
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3 | ; Замена имен файлов |
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4 | ; |
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5 | ; |
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6 | ; SPraid |
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7 | ; |
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8 | ;------------------------------------------------------------------------- |
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9 | |||
521 | diamond | 10 | iglobal |
11 | ; pointer to memory for path replace table, |
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12 | ; size of one record is 128 bytes: 64 bytes for search pattern + 64 bytes for replace string |
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512 | spraid | 13 | |
525 | diamond | 14 | ; start with one entry: sys -> |
521 | diamond | 15 | full_file_name_table dd sysdir_name |
16 | .size dd 1 |
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501 | serge | 17 | |
521 | diamond | 18 | tmp_file_name_size dd 1 |
19 | endg |
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488 | spraid | 20 | |
521 | diamond | 21 | uglobal |
525 | diamond | 22 | ; Parser_params will initialize: sysdir_name = "sys", sysdir_path = |
521 | diamond | 23 | sysdir_name rb 64 |
24 | sysdir_path rb 64 |
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25 | tmp_file_name_table dd ? |
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26 | endg |
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501 | serge | 27 | |
525 | diamond | 28 | ; берет параметры bx_from_load и инициализирует замену для /sys |
521 | diamond | 29 | Parser_params: |
30 | mov eax,[OS_BASE+0x10000+bx_from_load] |
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31 | mov ecx,sysdir_path |
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525 | diamond | 32 | mov [ecx-64],dword 'sys' |
521 | diamond | 33 | cmp al,'r' ; рам диск |
34 | jnz @f |
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35 | mov [ecx],dword 'RD/?' |
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36 | mov [ecx+3],byte ah |
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37 | mov [ecx+4],byte 0 |
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38 | ret |
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488 | spraid | 39 | @@: |
521 | diamond | 40 | sub al,49 |
41 | mov [ecx],dword 'HD?/' |
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42 | mov [ecx+2],byte al |
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43 | mov [ecx+4],byte ah |
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44 | mov [ecx+5],dword '/KOL' |
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45 | mov [ecx+9],dword 'IBRI' |
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46 | mov [ecx+13],byte 0 |
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47 | ret |
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501 | serge | 48 | |
521 | diamond | 49 | proc load_file_parse_table |
50 | stdcall kernel_alloc,0x1000 |
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51 | mov [tmp_file_name_table],eax |
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52 | mov edi,eax |
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53 | mov esi,sysdir_name |
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54 | mov ecx,128/4 |
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55 | rep movsd |
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501 | serge | 56 | |
521 | diamond | 57 | invoke ini.enum_keys,conf_fname,conf_path_sect,get_every_key |
488 | spraid | 58 | |
521 | diamond | 59 | mov eax,[tmp_file_name_table] |
60 | mov [full_file_name_table],eax |
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61 | mov eax,[tmp_file_name_size] |
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62 | mov [full_file_name_table.size],eax |
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488 | spraid | 63 | ret |
64 | endp |
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65 | |||
521 | diamond | 66 | uglobal |
67 | def_val_1 db 0 |
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68 | endg |
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488 | spraid | 69 | |
521 | diamond | 70 | proc get_every_key stdcall, f_name, sec_name, key_name |
71 | mov esi, [key_name] |
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72 | mov ecx, esi |
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73 | cmp byte [esi], '/' |
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74 | jnz @f |
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75 | inc esi |
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488 | spraid | 76 | @@: |
521 | diamond | 77 | mov edi, [tmp_file_name_size] |
78 | shl edi, 7 |
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79 | cmp edi, 0x1000 |
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80 | jae .stop_parse |
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81 | add edi, [tmp_file_name_table] |
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82 | lea ebx, [edi+64] |
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83 | @@: |
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84 | cmp edi, ebx |
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85 | jae .skip_this_key |
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86 | lodsb |
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87 | test al, al |
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88 | jz @f |
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89 | or al, 20h |
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90 | stosb |
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91 | jmp @b |
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92 | @@: |
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93 | stosb |
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501 | serge | 94 | |
521 | diamond | 95 | invoke ini.get_str, [f_name],[sec_name],ecx,ebx,64,def_val_1 |
488 | spraid | 96 | |
521 | diamond | 97 | cmp byte [ebx], '/' |
98 | jnz @f |
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99 | lea esi, [ebx+1] |
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100 | mov edi, ebx |
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101 | mov ecx, 63 |
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102 | rep movsb |
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488 | spraid | 103 | @@: |
521 | diamond | 104 | push ebp |
105 | mov ebp, [tmp_file_name_table] |
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106 | mov ecx, [tmp_file_name_size] |
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107 | jecxz .noreplace |
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108 | mov eax, ecx |
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109 | dec eax |
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110 | shl eax, 7 |
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111 | add ebp, eax |
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112 | .replace_loop: |
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113 | mov edi, ebx |
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114 | mov esi, ebp |
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488 | spraid | 115 | @@: |
521 | diamond | 116 | lodsb |
117 | test al, al |
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118 | jz .doreplace |
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119 | mov dl, [edi] |
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120 | inc edi |
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121 | test dl, dl |
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122 | jz .replace_loop_cont |
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123 | or dl, 20h |
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124 | cmp al, dl |
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125 | jz @b |
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126 | jmp .replace_loop_cont |
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127 | .doreplace: |
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128 | cmp byte [edi], 0 |
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129 | jz @f |
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130 | cmp byte [edi], '/' |
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131 | jnz .replace_loop_cont |
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488 | spraid | 132 | @@: |
521 | diamond | 133 | lea esi, [ebp+64] |
134 | call .replace |
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135 | jc .skip_this_key2 |
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136 | .replace_loop_cont: |
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137 | sub ebp, 128 |
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138 | loop .replace_loop |
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139 | .noreplace: |
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140 | pop ebp |
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488 | spraid | 141 | |
521 | diamond | 142 | inc [tmp_file_name_size] |
143 | .skip_this_key: |
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144 | xor eax, eax |
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145 | inc eax |
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146 | ret |
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147 | .skip_this_key2: |
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148 | pop ebp |
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149 | jmp .skip_this_key |
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150 | .stop_parse: |
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151 | xor eax, eax |
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152 | ret |
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501 | serge | 153 | endp |
154 | |||
521 | diamond | 155 | proc get_every_key.replace |
156 | ; in: ebx->destination, esi->first part of name, edi->second part of name |
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157 | ; maximum length is 64 bytes |
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158 | ; out: CF=1 <=> overflow |
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159 | ; 1) allocate temporary buffer in stack |
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160 | sub esp, 64 |
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161 | ; 2) save second part of name to temporary buffer |
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162 | push esi |
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163 | lea esi, [esp+4] ; esi->tmp buffer |
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164 | xchg esi, edi ; edi->tmp buffer, esi->source |
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488 | spraid | 165 | @@: |
521 | diamond | 166 | lodsb |
167 | stosb |
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168 | test al, al |
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169 | jnz @b |
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170 | ; 3) copy first part of name to destination |
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171 | pop esi |
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172 | mov edi, ebx |
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512 | spraid | 173 | @@: |
521 | diamond | 174 | lodsb |
175 | test al, al |
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176 | jz @f |
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177 | stosb |
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178 | jmp @b |
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179 | @@: |
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180 | ; 4) restore second part of name from temporary buffer to destination |
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181 | ; (may cause overflow) |
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182 | lea edx, [ebx+64] ; limit of destination |
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183 | mov esi, esp |
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184 | @@: |
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185 | cmp edi, edx |
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186 | jae .overflow |
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187 | lodsb |
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188 | stosb |
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189 | test al, al |
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190 | jnz @b |
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191 | ; all is OK |
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192 | add esp, 64 ; CF is cleared |
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193 | ret |
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194 | .overflow: |
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195 | ; name is too long |
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196 | add esp, 64 |
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197 | stc |
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198 | ret |
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512 | spraid | 199 | endp=> |