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Rev | Author | Line No. | Line |
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431 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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5565 | serge | 3 | ;; Copyright (C) KolibriOS team 2004-2015. All rights reserved. ;; |
431 | serge | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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164 | serge | 7 | |
593 | mikedld | 8 | $Revision: 5585 $ |
9 | |||
10 | |||
465 | serge | 11 | DRV_COMPAT equ 5 ;minimal required drivers version |
2106 | serge | 12 | DRV_CURRENT equ 6 ;current drivers model version |
214 | serge | 13 | |
227 | serge | 14 | DRV_VERSION equ (DRV_COMPAT shl 16) or DRV_CURRENT |
797 | serge | 15 | PID_KERNEL equ 1 ;os_idle thread |
227 | serge | 16 | |
164 | serge | 17 | |
774 | Rus | 18 | |
164 | serge | 19 | align 4 |
20 | proc get_notify stdcall, p_ev:dword |
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21 | |||
22 | .wait: |
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2434 | Serge | 23 | mov ebx, [current_slot] |
24 | test dword [ebx+APPDATA.event_mask], EVENT_NOTIFY |
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25 | jz @f |
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26 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
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27 | mov edi, [p_ev] |
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28 | mov dword [edi], EV_INTR |
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29 | mov eax, [ebx+APPDATA.event] |
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30 | mov dword [edi+4], eax |
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31 | ret |
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164 | serge | 32 | @@: |
2434 | Serge | 33 | call change_task |
34 | jmp .wait |
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164 | serge | 35 | endp |
36 | |||
37 | |||
2434 | Serge | 38 | handle equ IOCTL.handle |
39 | io_code equ IOCTL.io_code |
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40 | input equ IOCTL.input |
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41 | inp_size equ IOCTL.inp_size |
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42 | output equ IOCTL.output |
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43 | out_size equ IOCTL.out_size |
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164 | serge | 44 | |
672 | hidnplayr | 45 | |
164 | serge | 46 | align 4 |
47 | proc srv_handler stdcall, ioctl:dword |
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2434 | Serge | 48 | mov esi, [ioctl] |
49 | test esi, esi |
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50 | jz .err |
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164 | serge | 51 | |
2434 | Serge | 52 | mov edi, [esi+handle] |
53 | cmp [edi+SRV.magic], ' SRV' |
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54 | jne .fail |
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164 | serge | 55 | |
2434 | Serge | 56 | cmp [edi+SRV.size], sizeof.SRV |
57 | jne .fail |
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164 | serge | 58 | |
3555 | Serge | 59 | ; stdcall [edi+SRV.srv_proc], esi |
60 | mov eax, [edi+SRV.srv_proc] |
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61 | test eax, eax |
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62 | jz .fail |
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63 | stdcall eax, esi |
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2434 | Serge | 64 | ret |
164 | serge | 65 | .fail: |
2434 | Serge | 66 | xor eax, eax |
67 | not eax |
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68 | mov [esi+output], eax |
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69 | mov [esi+out_size], 4 |
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70 | ret |
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164 | serge | 71 | .err: |
2434 | Serge | 72 | xor eax, eax |
73 | not eax |
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74 | ret |
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164 | serge | 75 | endp |
76 | |||
377 | serge | 77 | ; param |
1345 | Lrz | 78 | ; ecx= io_control |
377 | serge | 79 | ; |
80 | ; retval |
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81 | ; eax= error code |
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82 | |||
164 | serge | 83 | align 4 |
377 | serge | 84 | srv_handlerEx: |
2434 | Serge | 85 | cmp ecx, OS_BASE |
86 | jae .fail |
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164 | serge | 87 | |
2434 | Serge | 88 | mov eax, [ecx+handle] |
89 | cmp [eax+SRV.magic], ' SRV' |
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90 | jne .fail |
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164 | serge | 91 | |
2434 | Serge | 92 | cmp [eax+SRV.size], sizeof.SRV |
93 | jne .fail |
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164 | serge | 94 | |
3555 | Serge | 95 | ; stdcall [eax+SRV.srv_proc], ecx |
96 | mov eax, [eax+SRV.srv_proc] |
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97 | test eax, eax |
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98 | jz .fail |
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99 | stdcall eax, ecx |
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2434 | Serge | 100 | ret |
164 | serge | 101 | .fail: |
2434 | Serge | 102 | or eax, -1 |
103 | ret |
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164 | serge | 104 | |
105 | restore handle |
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106 | restore io_code |
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107 | restore input |
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108 | restore inp_size |
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109 | restore output |
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110 | restore out_size |
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111 | |||
112 | align 4 |
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113 | proc get_service stdcall, sz_name:dword |
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2434 | Serge | 114 | mov eax, [sz_name] |
115 | test eax, eax |
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116 | jnz @F |
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117 | ret |
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164 | serge | 118 | @@: |
2434 | Serge | 119 | mov edx, [srv.fd] |
188 | serge | 120 | @@: |
2434 | Serge | 121 | cmp edx, srv.fd-SRV.fd |
122 | je .not_load |
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278 | serge | 123 | |
2434 | Serge | 124 | stdcall strncmp, edx, [sz_name], 16 |
125 | test eax, eax |
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5201 | serge | 126 | mov eax, edx |
127 | je .nothing |
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164 | serge | 128 | |
2434 | Serge | 129 | mov edx, [edx+SRV.fd] |
130 | jmp @B |
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164 | serge | 131 | .not_load: |
4423 | Serge | 132 | mov eax, [sz_name] |
133 | push edi |
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134 | sub esp, 36 |
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135 | mov edi, esp |
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136 | mov dword [edi], '/sys' |
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137 | mov dword [edi+4], '/dri' |
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138 | mov dword [edi+8], 'vers' |
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139 | mov byte [edi+12], '/' |
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140 | @@: |
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141 | mov dl, [eax] |
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142 | mov [edi+13], dl |
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143 | inc eax |
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144 | inc edi |
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145 | test dl, dl |
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146 | jnz @b |
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147 | mov dword [edi+12], '.sys' |
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148 | mov byte [edi+16], 0 |
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149 | mov edi, esp |
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150 | stdcall load_pe_driver, edi, 0 |
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151 | add esp, 36 |
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152 | pop edi |
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153 | .nothing: |
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2434 | Serge | 154 | ret |
164 | serge | 155 | endp |
156 | |||
3555 | Serge | 157 | reg_service: |
158 | xor eax, eax |
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159 | mov ecx, [esp+8] |
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160 | jecxz .nothing |
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161 | push sizeof.SRV |
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162 | push ecx |
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163 | pushd [esp+12] |
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164 | call reg_service_ex |
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165 | .nothing: |
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166 | ret 8 |
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164 | serge | 167 | |
3555 | Serge | 168 | reg_usb_driver: |
169 | push sizeof.USBSRV |
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170 | pushd [esp+12] |
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171 | pushd [esp+12] |
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172 | call reg_service_ex |
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173 | test eax, eax |
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174 | jz .nothing |
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175 | mov ecx, [esp+12] |
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176 | mov [eax+USBSRV.usb_func], ecx |
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177 | .nothing: |
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178 | ret 12 |
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179 | |||
180 | proc reg_service_ex stdcall, name:dword, handler:dword, srvsize:dword |
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181 | |||
2434 | Serge | 182 | push ebx |
164 | serge | 183 | |
2434 | Serge | 184 | xor eax, eax |
819 | serge | 185 | |
2434 | Serge | 186 | cmp [name], eax |
187 | je .fail |
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740 | serge | 188 | |
3555 | Serge | 189 | ; cmp [handler], eax |
190 | ; je .fail |
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740 | serge | 191 | |
3555 | Serge | 192 | mov eax, [srvsize] |
2434 | Serge | 193 | call malloc |
194 | test eax, eax |
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195 | jz .fail |
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164 | serge | 196 | |
2434 | Serge | 197 | push esi |
198 | push edi |
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199 | mov edi, eax |
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200 | mov esi, [name] |
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201 | movsd |
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202 | movsd |
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203 | movsd |
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204 | movsd |
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205 | pop edi |
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206 | pop esi |
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164 | serge | 207 | |
2434 | Serge | 208 | mov [eax+SRV.magic], ' SRV' |
209 | mov [eax+SRV.size], sizeof.SRV |
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278 | serge | 210 | |
2434 | Serge | 211 | mov ebx, srv.fd-SRV.fd |
212 | mov edx, [ebx+SRV.fd] |
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213 | mov [eax+SRV.fd], edx |
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214 | mov [eax+SRV.bk], ebx |
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215 | mov [ebx+SRV.fd], eax |
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216 | mov [edx+SRV.bk], eax |
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278 | serge | 217 | |
2434 | Serge | 218 | mov ecx, [handler] |
219 | mov [eax+SRV.srv_proc], ecx |
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220 | pop ebx |
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221 | ret |
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164 | serge | 222 | .fail: |
2434 | Serge | 223 | xor eax, eax |
224 | pop ebx |
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225 | ret |
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740 | serge | 226 | endp |
164 | serge | 227 | |
228 | align 4 |
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229 | proc get_proc stdcall, exp:dword, sz_name:dword |
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230 | |||
2434 | Serge | 231 | mov edx, [exp] |
164 | serge | 232 | .next: |
2434 | Serge | 233 | mov eax, [edx] |
234 | test eax, eax |
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235 | jz .end |
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164 | serge | 236 | |
2434 | Serge | 237 | push edx |
238 | stdcall strncmp, eax, [sz_name], 16 |
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239 | pop edx |
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240 | test eax, eax |
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241 | jz .ok |
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164 | serge | 242 | |
2434 | Serge | 243 | add edx, 8 |
244 | jmp .next |
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164 | serge | 245 | .ok: |
2434 | Serge | 246 | mov eax, [edx+4] |
164 | serge | 247 | .end: |
2434 | Serge | 248 | ret |
164 | serge | 249 | endp |
250 | |||
251 | align 4 |
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252 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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253 | |||
254 | @@: |
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2434 | Serge | 255 | stdcall strncmp, [pSym], [sz_sym], 8 |
256 | test eax, eax |
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257 | jz .ok |
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258 | add [pSym], 18 |
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259 | dec [count] |
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260 | jnz @b |
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261 | xor eax, eax |
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262 | ret |
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164 | serge | 263 | .ok: |
2434 | Serge | 264 | mov eax, [pSym] |
265 | mov eax, [eax+8] |
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266 | ret |
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164 | serge | 267 | endp |
268 | |||
269 | align 4 |
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188 | serge | 270 | proc get_curr_task |
2434 | Serge | 271 | mov eax, [CURRENT_TASK] |
272 | shl eax, 8 |
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273 | ret |
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188 | serge | 274 | endp |
164 | serge | 275 | |
188 | serge | 276 | align 4 |
277 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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2434 | Serge | 278 | locals |
279 | cmd dd ? |
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280 | offset dd ? |
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281 | dd ? |
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282 | count dd ? |
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283 | buff dd ? |
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284 | db ? |
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285 | name dd ? |
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286 | endl |
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164 | serge | 287 | |
2434 | Serge | 288 | xor eax, eax |
289 | mov ebx, [file_name] |
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290 | mov ecx, [info] |
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164 | serge | 291 | |
2434 | Serge | 292 | mov [cmd], 5 |
293 | mov [offset], eax |
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294 | mov [offset+4], eax |
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295 | mov [count], eax |
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296 | mov [buff], ecx |
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297 | mov byte [buff+4], al |
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298 | mov [name], ebx |
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164 | serge | 299 | |
2434 | Serge | 300 | mov eax, 70 |
301 | lea ebx, [cmd] |
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302 | int 0x40 |
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303 | ret |
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188 | serge | 304 | endp |
164 | serge | 305 | |
188 | serge | 306 | align 4 |
307 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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2434 | Serge | 308 | bytes:dword |
309 | locals |
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310 | cmd dd ? |
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311 | offset dd ? |
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312 | dd ? |
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313 | count dd ? |
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314 | buff dd ? |
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315 | db ? |
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316 | name dd ? |
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317 | endl |
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164 | serge | 318 | |
2434 | Serge | 319 | xor eax, eax |
320 | mov ebx, [file_name] |
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321 | mov ecx, [off] |
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322 | mov edx, [bytes] |
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323 | mov esi, [buffer] |
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164 | serge | 324 | |
2434 | Serge | 325 | mov [cmd], eax |
326 | mov [offset], ecx |
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327 | mov [offset+4], eax |
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328 | mov [count], edx |
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329 | mov [buff], esi |
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330 | mov byte [buff+4], al |
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331 | mov [name], ebx |
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188 | serge | 332 | |
2434 | Serge | 333 | pushad |
334 | lea ebx, [cmd] |
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3500 | Serge | 335 | call file_system_lfn_protected |
2434 | Serge | 336 | popad |
337 | ret |
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188 | serge | 338 | endp |
339 | |||
363 | serge | 340 | ; description |
341 | ; allocate kernel memory and loads the specified file |
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342 | ; |
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343 | ; param |
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4423 | Serge | 344 | ; file_name= path to file |
363 | serge | 345 | ; |
346 | ; retval |
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347 | ; eax= file image in kernel memory |
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348 | ; ebx= size of file |
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349 | ; |
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350 | ; warging |
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351 | ; You mast call kernel_free() to delete each file |
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352 | ; loaded by the load_file() function |
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353 | |||
188 | serge | 354 | align 4 |
355 | proc load_file stdcall, file_name:dword |
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2434 | Serge | 356 | locals |
357 | attr dd ? |
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358 | flags dd ? |
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359 | cr_time dd ? |
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360 | cr_date dd ? |
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361 | acc_time dd ? |
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362 | acc_date dd ? |
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363 | mod_time dd ? |
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364 | mod_date dd ? |
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365 | file_size dd ? |
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188 | serge | 366 | |
2434 | Serge | 367 | file dd ? |
368 | file2 dd ? |
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369 | endl |
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188 | serge | 370 | |
2434 | Serge | 371 | push esi |
372 | push edi |
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662 | serge | 373 | |
2434 | Serge | 374 | lea eax, [attr] |
375 | stdcall get_fileinfo, [file_name], eax |
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376 | test eax, eax |
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377 | jnz .fail |
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164 | serge | 378 | |
2434 | Serge | 379 | mov eax, [file_size] |
380 | cmp eax, 1024*1024*16 |
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381 | ja .fail |
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206 | serge | 382 | |
2434 | Serge | 383 | stdcall kernel_alloc, [file_size] |
384 | mov [file], eax |
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385 | test eax, eax |
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386 | jz .fail |
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164 | serge | 387 | |
2434 | Serge | 388 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
389 | cmp ebx, [file_size] |
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390 | jne .cleanup |
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211 | serge | 391 | |
2434 | Serge | 392 | mov eax, [file] |
393 | cmp dword [eax], 0x4B43504B |
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394 | jne .exit |
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395 | mov ebx, [eax+4] |
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396 | mov [file_size], ebx |
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397 | stdcall kernel_alloc, ebx |
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211 | serge | 398 | |
2434 | Serge | 399 | test eax, eax |
400 | jz .cleanup |
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211 | serge | 401 | |
2434 | Serge | 402 | mov [file2], eax |
2987 | Serge | 403 | |
404 | pushad |
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405 | mov ecx, unpack_mutex |
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406 | call mutex_lock |
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407 | popad |
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408 | |||
2434 | Serge | 409 | stdcall unpack, [file], eax |
2987 | Serge | 410 | |
411 | pushad |
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412 | mov ecx, unpack_mutex |
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413 | call mutex_unlock |
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414 | popad |
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415 | |||
2434 | Serge | 416 | stdcall kernel_free, [file] |
417 | mov eax, [file2] |
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418 | mov ebx, [file_size] |
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211 | serge | 419 | .exit: |
2434 | Serge | 420 | push eax |
421 | lea edi, [eax+ebx] ;cleanup remain space |
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422 | mov ecx, 4096 ;from file end |
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423 | and ebx, 4095 |
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424 | jz @f |
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425 | sub ecx, ebx |
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426 | xor eax, eax |
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427 | cld |
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428 | rep stosb |
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521 | diamond | 429 | @@: |
2434 | Serge | 430 | mov ebx, [file_size] |
431 | pop eax |
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432 | pop edi |
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433 | pop esi |
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434 | ret |
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188 | serge | 435 | .cleanup: |
2434 | Serge | 436 | stdcall kernel_free, [file] |
188 | serge | 437 | .fail: |
2434 | Serge | 438 | xor eax, eax |
439 | xor ebx, ebx |
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440 | pop edi |
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441 | pop esi |
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442 | ret |
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188 | serge | 443 | endp |
164 | serge | 444 | |
3908 | Serge | 445 | ; description |
446 | ; allocate user memory and loads the specified file |
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447 | ; |
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448 | ; param |
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449 | ; file_name= path to file |
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450 | ; |
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451 | ; retval |
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452 | ; eax= file image in user memory |
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453 | ; ebx= size of file |
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454 | ; |
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455 | ; warging |
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456 | ; You mast call kernel_free() to delete each file |
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457 | ; loaded by the load_file() function |
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458 | |||
459 | align 4 |
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460 | proc load_file_umode stdcall, file_name:dword |
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461 | locals |
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462 | attr dd ? |
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463 | flags dd ? |
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464 | cr_time dd ? |
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465 | cr_date dd ? |
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466 | acc_time dd ? |
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467 | acc_date dd ? |
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468 | mod_time dd ? |
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469 | mod_date dd ? |
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470 | file_size dd ? |
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471 | |||
472 | km_file dd ? |
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473 | um_file dd ? |
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474 | endl |
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475 | |||
476 | push esi |
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477 | push edi |
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478 | push ebx |
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479 | |||
480 | lea eax, [attr] |
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481 | stdcall get_fileinfo, [file_name], eax ;find file and get info |
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482 | test eax, eax |
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483 | jnz .err_1 |
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484 | |||
485 | mov eax, [file_size] |
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486 | cmp eax, 1024*1024*16 ;to be enough for anybody (c) |
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487 | ja .err_1 |
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488 | ;it is very likely that the file is packed |
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489 | stdcall kernel_alloc, [file_size] ;with kpack, so allocate memory from kernel heap |
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490 | mov [km_file], eax |
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491 | test eax, eax |
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492 | jz .err_1 |
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493 | |||
494 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
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495 | cmp ebx, [file_size] |
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496 | |||
497 | jne .err_2 |
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498 | |||
499 | mov eax, [km_file] |
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500 | cmp dword [eax], 0x4B43504B ; check kpack signature |
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501 | jne .raw_file |
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502 | |||
503 | mov ebx, [eax+4] ;get real size of file |
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504 | mov [file_size], ebx |
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4265 | Serge | 505 | stdcall user_alloc, ebx ;and allocate space from user heap |
3908 | Serge | 506 | mov [um_file], eax |
507 | test eax, eax |
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508 | jz .err_2 |
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509 | |||
4265 | Serge | 510 | mov edx, [file_size] ;preallocate page memory |
511 | shr eax, 10 |
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512 | lea edi, [page_tabs+eax] |
||
513 | add edx, 4095 |
||
514 | shr edx, 12 |
||
515 | @@: |
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516 | call alloc_page |
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517 | test eax, eax |
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518 | jz .err_3 |
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519 | |||
5565 | serge | 520 | or eax, PG_UWR |
4265 | Serge | 521 | stosd |
522 | dec edx |
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523 | jnz @B |
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524 | |||
3908 | Serge | 525 | pushad |
526 | mov ecx, unpack_mutex |
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527 | call mutex_lock |
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528 | |||
529 | stdcall unpack, [km_file], [um_file] |
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530 | |||
531 | mov ecx, unpack_mutex |
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532 | call mutex_unlock |
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533 | popad |
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534 | |||
535 | stdcall kernel_free, [km_file] ;we don't need packed file anymore |
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536 | .exit: |
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4265 | Serge | 537 | |
538 | mov edi, [um_file] |
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539 | mov esi, [um_file] |
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540 | mov eax, [file_size] |
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541 | mov edx, eax |
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542 | |||
543 | add edi, eax ;cleanup remain space |
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544 | mov ecx, 4096 ;from file end |
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545 | and eax, 4095 |
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546 | jz @f |
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547 | sub ecx, eax |
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548 | xor eax, eax |
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549 | cld |
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550 | rep stosb |
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551 | @@: |
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3908 | Serge | 552 | mov eax, [um_file] |
553 | |||
554 | pop ebx |
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555 | pop edi |
||
556 | pop esi |
||
557 | ret |
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558 | |||
559 | .raw_file: ; sometimes we load unpacked file |
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560 | stdcall user_alloc, ebx ; allocate space from user heap |
||
561 | mov [um_file], eax |
||
562 | |||
563 | test eax, eax |
||
564 | jz .err_2 |
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565 | |||
566 | shr eax, 10 ; and remap pages. |
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567 | |||
568 | mov ecx, [file_size] |
||
569 | add ecx, 4095 |
||
570 | shr ecx, 12 |
||
571 | |||
572 | mov esi, [km_file] |
||
573 | shr esi, 10 |
||
574 | add esi, page_tabs |
||
575 | |||
576 | lea edi, [page_tabs+eax] |
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577 | |||
578 | cld |
||
579 | @@: |
||
580 | lodsd |
||
581 | and eax, 0xFFFFF000 |
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5565 | serge | 582 | or eax, PG_UWR |
3908 | Serge | 583 | stosd |
584 | loop @B |
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585 | |||
586 | stdcall free_kernel_space, [km_file] ; release allocated kernel space |
||
587 | jmp .exit ; physical pages still in use |
||
4265 | Serge | 588 | .err_3: |
589 | stdcall user_free, [um_file] |
||
3908 | Serge | 590 | .err_2: |
591 | stdcall kernel_free, [km_file] |
||
592 | .err_1: |
||
593 | xor eax, eax |
||
594 | xor edx, edx |
||
595 | |||
596 | pop ebx |
||
597 | pop edi |
||
598 | pop esi |
||
599 | ret |
||
600 | endp |
||
601 | |||
602 | |||
2987 | Serge | 603 | uglobal |
188 | serge | 604 | align 4 |
2987 | Serge | 605 | unpack_mutex MUTEX |
606 | endg |
||
607 | |||
608 | align 4 |
||
3908 | Serge | 609 | proc get_proc_ex stdcall uses ebx esi, proc_name:dword, imports:dword |
610 | mov ebx, [imports] |
||
611 | test ebx, ebx |
||
612 | jz .end |
||
613 | xor esi, esi |
||
188 | serge | 614 | .look_up: |
164 | serge | 615 | |
3908 | Serge | 616 | mov eax, [ebx+32] |
617 | mov eax, [OS_BASE+eax+esi*4] |
||
618 | add eax, OS_BASE |
||
2434 | Serge | 619 | stdcall strncmp, eax, [proc_name], 256 |
620 | test eax, eax |
||
621 | jz .ok |
||
164 | serge | 622 | |
3908 | Serge | 623 | inc esi |
624 | cmp esi, [ebx+24] |
||
625 | jb .look_up |
||
188 | serge | 626 | .end: |
2434 | Serge | 627 | xor eax, eax |
628 | ret |
||
3908 | Serge | 629 | .ok: |
630 | mov eax, [ebx+28] |
||
631 | mov eax, [OS_BASE+eax+esi*4] |
||
632 | add eax, OS_BASE |
||
633 | ret |
||
188 | serge | 634 | endp |
164 | serge | 635 | |
188 | serge | 636 | align 4 |
1289 | diamond | 637 | proc fix_coff_symbols stdcall uses ebx esi, sec:dword, symbols:dword,\ |
2434 | Serge | 638 | sym_count:dword, strings:dword, imports:dword |
639 | locals |
||
640 | retval dd ? |
||
641 | endl |
||
164 | serge | 642 | |
2434 | Serge | 643 | mov edi, [symbols] |
644 | mov [retval], 1 |
||
188 | serge | 645 | .fix: |
2434 | Serge | 646 | movzx ebx, [edi+COFF_SYM.SectionNumber] |
647 | test ebx, ebx |
||
648 | jnz .internal |
||
649 | mov eax, dword [edi+COFF_SYM.Name] |
||
650 | test eax, eax |
||
651 | jnz @F |
||
164 | serge | 652 | |
2434 | Serge | 653 | mov edi, [edi+4] |
654 | add edi, [strings] |
||
188 | serge | 655 | @@: |
2434 | Serge | 656 | push edi |
657 | stdcall get_proc_ex, edi, [imports] |
||
658 | pop edi |
||
164 | serge | 659 | |
2434 | Serge | 660 | xor ebx, ebx |
661 | test eax, eax |
||
662 | jnz @F |
||
164 | serge | 663 | |
2434 | Serge | 664 | mov esi, msg_unresolved |
665 | call sys_msg_board_str |
||
666 | mov esi, edi |
||
667 | call sys_msg_board_str |
||
668 | mov esi, msg_CR |
||
669 | call sys_msg_board_str |
||
164 | serge | 670 | |
2434 | Serge | 671 | mov [retval], 0 |
188 | serge | 672 | @@: |
2434 | Serge | 673 | mov edi, [symbols] |
674 | mov [edi+COFF_SYM.Value], eax |
||
675 | jmp .next |
||
188 | serge | 676 | .internal: |
2434 | Serge | 677 | cmp bx, -1 |
678 | je .next |
||
679 | cmp bx, -2 |
||
680 | je .next |
||
541 | serge | 681 | |
2434 | Serge | 682 | dec ebx |
683 | shl ebx, 3 |
||
684 | lea ebx, [ebx+ebx*4] |
||
685 | add ebx, [sec] |
||
188 | serge | 686 | |
2434 | Serge | 687 | mov eax, [ebx+COFF_SECTION.VirtualAddress] |
688 | add [edi+COFF_SYM.Value], eax |
||
188 | serge | 689 | .next: |
2434 | Serge | 690 | add edi, sizeof.COFF_SYM |
691 | mov [symbols], edi |
||
692 | dec [sym_count] |
||
693 | jnz .fix |
||
694 | mov eax, [retval] |
||
695 | ret |
||
164 | serge | 696 | endp |
697 | |||
698 | align 4 |
||
1289 | diamond | 699 | proc fix_coff_relocs stdcall uses ebx esi, coff:dword, sym:dword, \ |
2434 | Serge | 700 | delta:dword |
701 | locals |
||
702 | n_sec dd ? |
||
703 | endl |
||
164 | serge | 704 | |
2434 | Serge | 705 | mov eax, [coff] |
706 | movzx ebx, [eax+COFF_HEADER.nSections] |
||
707 | mov [n_sec], ebx |
||
708 | lea esi, [eax+20] |
||
188 | serge | 709 | .fix_sec: |
2434 | Serge | 710 | mov edi, [esi+COFF_SECTION.PtrReloc] |
711 | add edi, [coff] |
||
164 | serge | 712 | |
2434 | Serge | 713 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
714 | test ecx, ecx |
||
715 | jz .next |
||
1289 | diamond | 716 | .reloc_loop: |
2434 | Serge | 717 | mov ebx, [edi+COFF_RELOC.SymIndex] |
718 | add ebx, ebx |
||
719 | lea ebx, [ebx+ebx*8] |
||
720 | add ebx, [sym] |
||
164 | serge | 721 | |
2434 | Serge | 722 | mov edx, [ebx+COFF_SYM.Value] |
164 | serge | 723 | |
2434 | Serge | 724 | cmp [edi+COFF_RELOC.Type], 6 |
725 | je .dir_32 |
||
164 | serge | 726 | |
2434 | Serge | 727 | cmp [edi+COFF_RELOC.Type], 20 |
728 | jne .next_reloc |
||
188 | serge | 729 | .rel_32: |
2434 | Serge | 730 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
731 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
732 | sub edx, eax |
||
733 | sub edx, 4 |
||
734 | jmp .fix |
||
188 | serge | 735 | .dir_32: |
2434 | Serge | 736 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
737 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
188 | serge | 738 | .fix: |
2434 | Serge | 739 | add eax, [delta] |
740 | add [eax], edx |
||
1289 | diamond | 741 | .next_reloc: |
2434 | Serge | 742 | add edi, 10 |
743 | dec ecx |
||
744 | jnz .reloc_loop |
||
188 | serge | 745 | .next: |
2434 | Serge | 746 | add esi, sizeof.COFF_SECTION |
747 | dec [n_sec] |
||
748 | jnz .fix_sec |
||
164 | serge | 749 | .exit: |
2434 | Serge | 750 | ret |
164 | serge | 751 | endp |
752 | |||
2106 | serge | 753 | align 4 |
1289 | diamond | 754 | proc rebase_coff stdcall uses ebx esi, coff:dword, sym:dword, \ |
2434 | Serge | 755 | delta:dword |
756 | locals |
||
757 | n_sec dd ? |
||
758 | endl |
||
1289 | diamond | 759 | |
2434 | Serge | 760 | mov eax, [coff] |
761 | movzx ebx, [eax+COFF_HEADER.nSections] |
||
762 | mov [n_sec], ebx |
||
763 | lea esi, [eax+20] |
||
764 | mov edx, [delta] |
||
1289 | diamond | 765 | .fix_sec: |
2434 | Serge | 766 | mov edi, [esi+COFF_SECTION.PtrReloc] |
767 | add edi, [coff] |
||
1289 | diamond | 768 | |
2434 | Serge | 769 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
770 | test ecx, ecx |
||
771 | jz .next |
||
1289 | diamond | 772 | .reloc_loop: |
2434 | Serge | 773 | cmp [edi+COFF_RELOC.Type], 6 |
774 | jne .next_reloc |
||
1289 | diamond | 775 | .dir_32: |
2434 | Serge | 776 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
777 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
778 | add [eax+edx], edx |
||
1289 | diamond | 779 | .next_reloc: |
2434 | Serge | 780 | add edi, 10 |
781 | dec ecx |
||
782 | jnz .reloc_loop |
||
1289 | diamond | 783 | .next: |
2434 | Serge | 784 | add esi, sizeof.COFF_SECTION |
785 | dec [n_sec] |
||
786 | jnz .fix_sec |
||
1289 | diamond | 787 | .exit: |
2434 | Serge | 788 | ret |
1289 | diamond | 789 | endp |
790 | |||
1296 | diamond | 791 | ; in: edx -> COFF_SECTION struct |
792 | ; out: eax = alignment as mask for bits to drop |
||
793 | coff_get_align: |
||
794 | ; Rules: |
||
795 | ; - if alignment is not given, use default = 4K; |
||
796 | ; - if alignment is given and is no more than 4K, use it; |
||
797 | ; - if alignment is more than 4K, revert to 4K. |
||
2434 | Serge | 798 | push ecx |
799 | mov cl, byte [edx+COFF_SECTION.Characteristics+2] |
||
800 | mov eax, 1 |
||
801 | shr cl, 4 |
||
802 | dec cl |
||
803 | js .default |
||
804 | cmp cl, 12 |
||
805 | jbe @f |
||
1296 | diamond | 806 | .default: |
2434 | Serge | 807 | mov cl, 12 |
1296 | diamond | 808 | @@: |
2434 | Serge | 809 | shl eax, cl |
810 | pop ecx |
||
811 | dec eax |
||
812 | ret |
||
1296 | diamond | 813 | |
198 | serge | 814 | align 4 |
815 | proc load_library stdcall, file_name:dword |
||
2434 | Serge | 816 | locals |
817 | fullname rb 260 |
||
818 | fileinfo rb 40 |
||
819 | coff dd ? |
||
820 | img_base dd ? |
||
821 | endl |
||
198 | serge | 822 | |
1289 | diamond | 823 | ; resolve file name |
2434 | Serge | 824 | mov ebx, [file_name] |
825 | lea edi, [fullname+1] |
||
826 | mov byte [edi-1], '/' |
||
827 | stdcall get_full_file_name, edi, 259 |
||
828 | test al, al |
||
829 | jz .fail |
||
1289 | diamond | 830 | |
831 | ; scan for required DLL in list of already loaded for this process, |
||
832 | ; ignore timestamp |
||
3908 | Serge | 833 | cli |
834 | |||
5201 | serge | 835 | mov esi, [current_process] |
2434 | Serge | 836 | lea edi, [fullname] |
5201 | serge | 837 | mov ebx, [esi+PROC.dlls_list_ptr] |
2434 | Serge | 838 | test ebx, ebx |
839 | jz .not_in_process |
||
840 | mov esi, [ebx+HDLL.fd] |
||
1289 | diamond | 841 | .scan_in_process: |
2434 | Serge | 842 | cmp esi, ebx |
843 | jz .not_in_process |
||
844 | mov eax, [esi+HDLL.parent] |
||
845 | add eax, DLLDESCR.name |
||
846 | stdcall strncmp, eax, edi, -1 |
||
847 | test eax, eax |
||
848 | jnz .next_in_process |
||
1289 | diamond | 849 | ; simple variant: load DLL which is already loaded in this process |
850 | ; just increment reference counters and return address of exports table |
||
2434 | Serge | 851 | inc [esi+HDLL.refcount] |
852 | mov ecx, [esi+HDLL.parent] |
||
853 | inc [ecx+DLLDESCR.refcount] |
||
854 | mov eax, [ecx+DLLDESCR.exports] |
||
855 | sub eax, [ecx+DLLDESCR.defaultbase] |
||
856 | add eax, [esi+HDLL.base] |
||
3908 | Serge | 857 | sti |
2434 | Serge | 858 | ret |
1289 | diamond | 859 | .next_in_process: |
2434 | Serge | 860 | mov esi, [esi+HDLL.fd] |
861 | jmp .scan_in_process |
||
1289 | diamond | 862 | .not_in_process: |
863 | |||
864 | ; scan in full list, compare timestamp |
||
3908 | Serge | 865 | sti |
2434 | Serge | 866 | lea eax, [fileinfo] |
867 | stdcall get_fileinfo, edi, eax |
||
868 | test eax, eax |
||
869 | jnz .fail |
||
3908 | Serge | 870 | cli |
2434 | Serge | 871 | mov esi, [dll_list.fd] |
1289 | diamond | 872 | .scan_for_dlls: |
2434 | Serge | 873 | cmp esi, dll_list |
874 | jz .load_new |
||
875 | lea eax, [esi+DLLDESCR.name] |
||
876 | stdcall strncmp, eax, edi, -1 |
||
877 | test eax, eax |
||
878 | jnz .continue_scan |
||
1289 | diamond | 879 | .test_prev_dll: |
2434 | Serge | 880 | mov eax, dword [fileinfo+24]; last modified time |
881 | mov edx, dword [fileinfo+28]; last modified date |
||
882 | cmp dword [esi+DLLDESCR.timestamp], eax |
||
883 | jnz .continue_scan |
||
884 | cmp dword [esi+DLLDESCR.timestamp+4], edx |
||
885 | jz .dll_already_loaded |
||
1289 | diamond | 886 | .continue_scan: |
2434 | Serge | 887 | mov esi, [esi+DLLDESCR.fd] |
888 | jmp .scan_for_dlls |
||
1289 | diamond | 889 | |
890 | ; new DLL |
||
891 | .load_new: |
||
3908 | Serge | 892 | sti |
1289 | diamond | 893 | ; load file |
2434 | Serge | 894 | stdcall load_file, edi |
895 | test eax, eax |
||
896 | jz .fail |
||
897 | mov [coff], eax |
||
898 | mov dword [fileinfo+32], ebx |
||
198 | serge | 899 | |
1289 | diamond | 900 | ; allocate DLLDESCR struct; size is DLLDESCR.sizeof plus size of DLL name |
2434 | Serge | 901 | mov esi, edi |
902 | mov ecx, -1 |
||
903 | xor eax, eax |
||
904 | repnz scasb |
||
905 | not ecx |
||
906 | lea eax, [ecx+sizeof.DLLDESCR] |
||
907 | push ecx |
||
908 | call malloc |
||
909 | pop ecx |
||
910 | test eax, eax |
||
911 | jz .fail_and_free_coff |
||
1289 | diamond | 912 | ; save timestamp |
2434 | Serge | 913 | lea edi, [eax+DLLDESCR.name] |
914 | rep movsb |
||
915 | mov esi, eax |
||
916 | mov eax, dword [fileinfo+24] |
||
917 | mov dword [esi+DLLDESCR.timestamp], eax |
||
918 | mov eax, dword [fileinfo+28] |
||
919 | mov dword [esi+DLLDESCR.timestamp+4], eax |
||
1289 | diamond | 920 | |
921 | ; calculate size of loaded DLL |
||
2434 | Serge | 922 | mov edx, [coff] |
923 | movzx ecx, [edx+COFF_HEADER.nSections] |
||
924 | xor ebx, ebx |
||
198 | serge | 925 | |
2434 | Serge | 926 | add edx, 20 |
198 | serge | 927 | @@: |
2434 | Serge | 928 | call coff_get_align |
929 | add ebx, eax |
||
930 | not eax |
||
931 | and ebx, eax |
||
932 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
||
933 | add edx, sizeof.COFF_SECTION |
||
934 | dec ecx |
||
935 | jnz @B |
||
1289 | diamond | 936 | ; it must be nonzero and not too big |
2434 | Serge | 937 | mov [esi+DLLDESCR.size], ebx |
938 | test ebx, ebx |
||
939 | jz .fail_and_free_dll |
||
940 | cmp ebx, MAX_DEFAULT_DLL_ADDR-MIN_DEFAULT_DLL_ADDR |
||
941 | ja .fail_and_free_dll |
||
1289 | diamond | 942 | ; allocate memory for kernel-side image |
2434 | Serge | 943 | stdcall kernel_alloc, ebx |
944 | test eax, eax |
||
945 | jz .fail_and_free_dll |
||
946 | mov [esi+DLLDESCR.data], eax |
||
1289 | diamond | 947 | ; calculate preferred base address |
2434 | Serge | 948 | add ebx, 0x1FFF |
949 | and ebx, not 0xFFF |
||
950 | mov ecx, [dll_cur_addr] |
||
951 | lea edx, [ecx+ebx] |
||
952 | cmp edx, MAX_DEFAULT_DLL_ADDR |
||
953 | jb @f |
||
954 | mov ecx, MIN_DEFAULT_DLL_ADDR |
||
955 | lea edx, [ecx+ebx] |
||
1289 | diamond | 956 | @@: |
2434 | Serge | 957 | mov [esi+DLLDESCR.defaultbase], ecx |
958 | mov [dll_cur_addr], edx |
||
198 | serge | 959 | |
1289 | diamond | 960 | ; copy sections and set correct values for VirtualAddress'es in headers |
2434 | Serge | 961 | push esi |
962 | mov edx, [coff] |
||
963 | movzx ebx, [edx+COFF_HEADER.nSections] |
||
964 | mov edi, eax |
||
965 | add edx, 20 |
||
966 | cld |
||
198 | serge | 967 | @@: |
2434 | Serge | 968 | call coff_get_align |
969 | add ecx, eax |
||
970 | add edi, eax |
||
971 | not eax |
||
972 | and ecx, eax |
||
973 | and edi, eax |
||
974 | mov [edx+COFF_SECTION.VirtualAddress], ecx |
||
975 | add ecx, [edx+COFF_SECTION.SizeOfRawData] |
||
976 | mov esi, [edx+COFF_SECTION.PtrRawData] |
||
977 | push ecx |
||
978 | mov ecx, [edx+COFF_SECTION.SizeOfRawData] |
||
979 | test esi, esi |
||
980 | jnz .copy |
||
981 | xor eax, eax |
||
982 | rep stosb |
||
983 | jmp .next |
||
198 | serge | 984 | .copy: |
2434 | Serge | 985 | add esi, [coff] |
986 | rep movsb |
||
198 | serge | 987 | .next: |
2434 | Serge | 988 | pop ecx |
989 | add edx, sizeof.COFF_SECTION |
||
990 | dec ebx |
||
991 | jnz @B |
||
992 | pop esi |
||
198 | serge | 993 | |
1289 | diamond | 994 | ; save some additional data from COFF file |
995 | ; later we will use COFF header, headers for sections and symbol table |
||
996 | ; and also relocations table for all sections |
||
2434 | Serge | 997 | mov edx, [coff] |
998 | mov ebx, [edx+COFF_HEADER.pSymTable] |
||
999 | mov edi, dword [fileinfo+32] |
||
1000 | sub edi, ebx |
||
1001 | jc .fail_and_free_data |
||
1002 | mov [esi+DLLDESCR.symbols_lim], edi |
||
1003 | add ebx, edx |
||
1004 | movzx ecx, [edx+COFF_HEADER.nSections] |
||
1005 | lea ecx, [ecx*5] |
||
1006 | lea edi, [edi+ecx*8+20] |
||
1007 | add edx, 20 |
||
1289 | diamond | 1008 | @@: |
2434 | Serge | 1009 | movzx eax, [edx+COFF_SECTION.NumReloc] |
1010 | lea eax, [eax*5] |
||
1011 | lea edi, [edi+eax*2] |
||
1012 | add edx, sizeof.COFF_SECTION |
||
1013 | sub ecx, 5 |
||
1014 | jnz @b |
||
1015 | stdcall kernel_alloc, edi |
||
1016 | test eax, eax |
||
1017 | jz .fail_and_free_data |
||
1018 | mov edx, [coff] |
||
1019 | movzx ecx, [edx+COFF_HEADER.nSections] |
||
1020 | lea ecx, [ecx*5] |
||
1021 | lea ecx, [ecx*2+5] |
||
1022 | mov [esi+DLLDESCR.coff_hdr], eax |
||
1023 | push esi |
||
1024 | mov esi, edx |
||
1025 | mov edi, eax |
||
1026 | rep movsd |
||
1027 | pop esi |
||
1028 | mov [esi+DLLDESCR.symbols_ptr], edi |
||
1029 | push esi |
||
1030 | mov ecx, [edx+COFF_HEADER.nSymbols] |
||
1031 | mov [esi+DLLDESCR.symbols_num], ecx |
||
1032 | mov ecx, [esi+DLLDESCR.symbols_lim] |
||
1033 | mov esi, ebx |
||
1034 | rep movsb |
||
1035 | pop esi |
||
1036 | mov ebx, [esi+DLLDESCR.coff_hdr] |
||
1037 | push esi |
||
1038 | movzx eax, [edx+COFF_HEADER.nSections] |
||
1039 | lea edx, [ebx+20] |
||
1289 | diamond | 1040 | @@: |
2434 | Serge | 1041 | movzx ecx, [edx+COFF_SECTION.NumReloc] |
1042 | lea ecx, [ecx*5] |
||
1043 | mov esi, [edx+COFF_SECTION.PtrReloc] |
||
1044 | mov [edx+COFF_SECTION.PtrReloc], edi |
||
1045 | sub [edx+COFF_SECTION.PtrReloc], ebx |
||
1046 | add esi, [coff] |
||
1047 | shr ecx, 1 |
||
1048 | rep movsd |
||
1049 | adc ecx, ecx |
||
1050 | rep movsw |
||
1051 | add edx, sizeof.COFF_SECTION |
||
1052 | dec eax |
||
1053 | jnz @b |
||
1054 | pop esi |
||
198 | serge | 1055 | |
1289 | diamond | 1056 | ; fixup symbols |
2434 | Serge | 1057 | mov edx, ebx |
1058 | mov eax, [ebx+COFF_HEADER.nSymbols] |
||
1059 | add edx, 20 |
||
1060 | mov ecx, [esi+DLLDESCR.symbols_num] |
||
1061 | lea ecx, [ecx*9] |
||
1062 | add ecx, ecx |
||
1063 | add ecx, [esi+DLLDESCR.symbols_ptr] |
||
198 | serge | 1064 | |
2434 | Serge | 1065 | stdcall fix_coff_symbols, edx, [esi+DLLDESCR.symbols_ptr], eax, \ |
1066 | ecx, 0 |
||
1067 | ; test eax, eax |
||
1068 | ; jnz @F |
||
1289 | diamond | 1069 | ; |
1070 | ;@@: |
||
1071 | |||
2434 | Serge | 1072 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], szEXPORTS |
1073 | test eax, eax |
||
1074 | jnz @F |
||
198 | serge | 1075 | |
2434 | Serge | 1076 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], sz_EXPORTS |
198 | serge | 1077 | @@: |
2434 | Serge | 1078 | mov [esi+DLLDESCR.exports], eax |
198 | serge | 1079 | |
1289 | diamond | 1080 | ; fix relocs in the hidden copy in kernel memory to default address |
1081 | ; it is first fix; usually this will be enough, but second fix |
||
1082 | ; can be necessary if real load address will not equal assumption |
||
2434 | Serge | 1083 | mov eax, [esi+DLLDESCR.data] |
1084 | sub eax, [esi+DLLDESCR.defaultbase] |
||
1085 | stdcall fix_coff_relocs, ebx, [esi+DLLDESCR.symbols_ptr], eax |
||
198 | serge | 1086 | |
2434 | Serge | 1087 | stdcall kernel_free, [coff] |
916 | serge | 1088 | |
3908 | Serge | 1089 | cli |
1090 | ; initialize DLLDESCR struct |
||
1091 | and dword [esi+DLLDESCR.refcount], 0; no HDLLs yet; later it will be incremented |
||
1092 | mov [esi+DLLDESCR.fd], dll_list |
||
1093 | mov eax, [dll_list.bk] |
||
1094 | mov [dll_list.bk], esi |
||
1095 | mov [esi+DLLDESCR.bk], eax |
||
1096 | mov [eax+DLLDESCR.fd], esi |
||
1289 | diamond | 1097 | .dll_already_loaded: |
2434 | Serge | 1098 | inc [esi+DLLDESCR.refcount] |
1099 | push esi |
||
1100 | call init_heap |
||
1101 | pop esi |
||
1289 | diamond | 1102 | |
2434 | Serge | 1103 | mov edi, [esi+DLLDESCR.size] |
1104 | stdcall user_alloc_at, [esi+DLLDESCR.defaultbase], edi |
||
1105 | test eax, eax |
||
1106 | jnz @f |
||
1107 | stdcall user_alloc, edi |
||
1108 | test eax, eax |
||
1109 | jz .fail_and_dereference |
||
917 | diamond | 1110 | @@: |
2434 | Serge | 1111 | mov [img_base], eax |
1112 | mov eax, sizeof.HDLL |
||
1113 | call malloc |
||
1114 | test eax, eax |
||
1115 | jz .fail_and_free_user |
||
1116 | mov ebx, [CURRENT_TASK] |
||
1117 | shl ebx, 5 |
||
1118 | mov edx, [CURRENT_TASK+ebx+TASKDATA.pid] |
||
1119 | mov [eax+HDLL.pid], edx |
||
1120 | push eax |
||
1121 | call init_dlls_in_thread |
||
1122 | pop ebx |
||
1123 | test eax, eax |
||
1124 | jz .fail_and_free_user |
||
1125 | mov edx, [eax+HDLL.fd] |
||
1126 | mov [ebx+HDLL.fd], edx |
||
1127 | mov [ebx+HDLL.bk], eax |
||
1128 | mov [eax+HDLL.fd], ebx |
||
1129 | mov [edx+HDLL.bk], ebx |
||
1130 | mov eax, ebx |
||
1131 | mov ebx, [img_base] |
||
1132 | mov [eax+HDLL.base], ebx |
||
1133 | mov [eax+HDLL.size], edi |
||
1134 | mov [eax+HDLL.refcount], 1 |
||
1135 | mov [eax+HDLL.parent], esi |
||
1136 | mov edx, ebx |
||
1137 | shr edx, 12 |
||
1138 | or dword [page_tabs+(edx-1)*4], DONT_FREE_BLOCK |
||
1289 | diamond | 1139 | ; copy entries of page table from kernel-side image to usermode |
1140 | ; use copy-on-write for user-mode image, so map as readonly |
||
2434 | Serge | 1141 | xor edi, edi |
1142 | mov ecx, [esi+DLLDESCR.data] |
||
1143 | shr ecx, 12 |
||
1289 | diamond | 1144 | .map_pages_loop: |
2434 | Serge | 1145 | mov eax, [page_tabs+ecx*4] |
1146 | and eax, not 0xFFF |
||
5565 | serge | 1147 | or al, PG_UR |
2434 | Serge | 1148 | xchg eax, [page_tabs+edx*4] |
1149 | test al, 1 |
||
1150 | jz @f |
||
1151 | call free_page |
||
1289 | diamond | 1152 | @@: |
2434 | Serge | 1153 | invlpg [ebx+edi] |
1154 | inc ecx |
||
1155 | inc edx |
||
1156 | add edi, 0x1000 |
||
1157 | cmp edi, [esi+DLLDESCR.size] |
||
1158 | jb .map_pages_loop |
||
1289 | diamond | 1159 | |
1160 | ; if real user-mode base is not equal to preferred base, relocate image |
||
2434 | Serge | 1161 | sub ebx, [esi+DLLDESCR.defaultbase] |
1162 | jz @f |
||
1163 | stdcall rebase_coff, [esi+DLLDESCR.coff_hdr], [esi+DLLDESCR.symbols_ptr], ebx |
||
1289 | diamond | 1164 | @@: |
1165 | |||
2434 | Serge | 1166 | mov eax, [esi+DLLDESCR.exports] |
1167 | sub eax, [esi+DLLDESCR.defaultbase] |
||
1168 | add eax, [img_base] |
||
3908 | Serge | 1169 | sti |
2434 | Serge | 1170 | ret |
1289 | diamond | 1171 | .fail_and_free_data: |
2434 | Serge | 1172 | stdcall kernel_free, [esi+DLLDESCR.data] |
1289 | diamond | 1173 | .fail_and_free_dll: |
2434 | Serge | 1174 | mov eax, esi |
1175 | call free |
||
1289 | diamond | 1176 | .fail_and_free_coff: |
2434 | Serge | 1177 | stdcall kernel_free, [coff] |
198 | serge | 1178 | .fail: |
2434 | Serge | 1179 | xor eax, eax |
1180 | ret |
||
1289 | diamond | 1181 | .fail_and_free_user: |
2434 | Serge | 1182 | stdcall user_free, [img_base] |
1289 | diamond | 1183 | .fail_and_dereference: |
2434 | Serge | 1184 | mov eax, 1 ; delete 1 reference |
1185 | call dereference_dll |
||
3908 | Serge | 1186 | sti |
2434 | Serge | 1187 | xor eax, eax |
1188 | ret |
||
198 | serge | 1189 | endp |
1190 | |||
1311 | diamond | 1191 | ; initialize [APPDATA.dlls_list_ptr] for given thread |
1192 | ; DLL is per-process object, so APPDATA.dlls_list_ptr must be |
||
1193 | ; kept in sync for all threads of one process. |
||
1194 | ; out: eax = APPDATA.dlls_list_ptr if all is OK, |
||
1195 | ; NULL if memory allocation failed |
||
1196 | init_dlls_in_thread: |
||
5201 | serge | 1197 | mov ebx, [current_process] |
1198 | mov eax, [ebx+PROC.dlls_list_ptr] |
||
2434 | Serge | 1199 | test eax, eax |
1200 | jnz .ret |
||
5201 | serge | 1201 | |
2434 | Serge | 1202 | mov eax, 8 |
5201 | serge | 1203 | call malloc ; FIXME |
2434 | Serge | 1204 | test eax, eax |
1205 | jz .ret |
||
5201 | serge | 1206 | |
2434 | Serge | 1207 | mov [eax], eax |
1208 | mov [eax+4], eax |
||
5201 | serge | 1209 | |
1210 | mov ebx, [current_process] |
||
1211 | mov [ebx+PROC.dlls_list_ptr], eax |
||
1311 | diamond | 1212 | .ret: |
2434 | Serge | 1213 | ret |
1311 | diamond | 1214 | |
1289 | diamond | 1215 | ; in: eax = number of references to delete, esi -> DLLDESCR struc |
1216 | dereference_dll: |
||
2434 | Serge | 1217 | sub [esi+DLLDESCR.refcount], eax |
1218 | jnz .ret |
||
1219 | mov eax, [esi+DLLDESCR.fd] |
||
1220 | mov edx, [esi+DLLDESCR.bk] |
||
1221 | mov [eax+DLLDESCR.bk], edx |
||
1222 | mov [edx+DLLDESCR.fd], eax |
||
1223 | stdcall kernel_free, [esi+DLLDESCR.coff_hdr] |
||
1224 | stdcall kernel_free, [esi+DLLDESCR.data] |
||
1225 | mov eax, esi |
||
1226 | call free |
||
1289 | diamond | 1227 | .ret: |
2434 | Serge | 1228 | ret |
1289 | diamond | 1229 | |
1230 | destroy_hdll: |
||
2434 | Serge | 1231 | push ebx ecx esi edi |
1232 | mov ebx, [eax+HDLL.base] |
||
1233 | mov esi, [eax+HDLL.parent] |
||
1234 | mov edx, [esi+DLLDESCR.size] |
||
5201 | serge | 1235 | |
2434 | Serge | 1236 | push eax |
1237 | mov esi, [eax+HDLL.parent] |
||
1238 | mov eax, [eax+HDLL.refcount] |
||
1239 | call dereference_dll |
||
1240 | pop eax |
||
1241 | mov edx, [eax+HDLL.bk] |
||
1242 | mov ebx, [eax+HDLL.fd] |
||
1243 | mov [ebx+HDLL.bk], edx |
||
1244 | mov [edx+HDLL.fd], ebx |
||
1245 | call free |
||
1246 | pop edi esi ecx ebx |
||
1247 | ret |
||
1289 | diamond | 1248 | |
1311 | diamond | 1249 | ; ecx -> APPDATA for slot, esi = dlls_list_ptr |
1250 | destroy_all_hdlls: |
||
2434 | Serge | 1251 | test esi, esi |
1252 | jz .ret |
||
1311 | diamond | 1253 | .loop: |
2434 | Serge | 1254 | mov eax, [esi+HDLL.fd] |
1255 | cmp eax, esi |
||
1256 | jz free |
||
1257 | call destroy_hdll |
||
1258 | jmp .loop |
||
1311 | diamond | 1259 | .ret: |
2434 | Serge | 1260 | ret |
1311 | diamond | 1261 | |
214 | serge | 1262 | align 4 |
1275 | serge | 1263 | stop_all_services: |
2434 | Serge | 1264 | push ebp |
1265 | mov edx, [srv.fd] |
||
214 | serge | 1266 | .next: |
2434 | Serge | 1267 | cmp edx, srv.fd-SRV.fd |
1268 | je .done |
||
1269 | cmp [edx+SRV.magic], ' SRV' |
||
1270 | jne .next |
||
1271 | cmp [edx+SRV.size], sizeof.SRV |
||
1272 | jne .next |
||
732 | serge | 1273 | |
2434 | Serge | 1274 | mov ebx, [edx+SRV.entry] |
1275 | mov edx, [edx+SRV.fd] |
||
1276 | test ebx, ebx |
||
1277 | jz .next |
||
732 | serge | 1278 | |
2434 | Serge | 1279 | push edx |
1280 | mov ebp, esp |
||
1281 | push 0 |
||
1282 | push -1 |
||
1283 | call ebx |
||
1284 | mov esp, ebp |
||
1285 | pop edx |
||
1286 | jmp .next |
||
278 | serge | 1287 | .done: |
2434 | Serge | 1288 | pop ebp |
1289 | ret |
||
198 | serge | 1290 | |
281 | serge | 1291 | ; param |
291 | serge | 1292 | ; eax= size |
1293 | ; ebx= pid |
||
214 | serge | 1294 | |
281 | serge | 1295 | align 4 |
1296 | create_kernel_object: |
||
1297 | |||
2434 | Serge | 1298 | push ebx |
1299 | call malloc |
||
1300 | pop ebx |
||
1301 | test eax, eax |
||
1302 | jz .fail |
||
281 | serge | 1303 | |
2434 | Serge | 1304 | mov ecx, [current_slot] |
1305 | add ecx, APP_OBJ_OFFSET |
||
281 | serge | 1306 | |
2434 | Serge | 1307 | pushfd |
1308 | cli |
||
1309 | mov edx, [ecx+APPOBJ.fd] |
||
1310 | mov [eax+APPOBJ.fd], edx |
||
1311 | mov [eax+APPOBJ.bk], ecx |
||
1312 | mov [eax+APPOBJ.pid], ebx |
||
281 | serge | 1313 | |
2434 | Serge | 1314 | mov [ecx+APPOBJ.fd], eax |
1315 | mov [edx+APPOBJ.bk], eax |
||
1316 | popfd |
||
281 | serge | 1317 | .fail: |
2434 | Serge | 1318 | ret |
281 | serge | 1319 | |
1320 | ; param |
||
1321 | ; eax= object |
||
1322 | |||
1323 | align 4 |
||
1324 | destroy_kernel_object: |
||
1325 | |||
2434 | Serge | 1326 | pushfd |
1327 | cli |
||
1328 | mov ebx, [eax+APPOBJ.fd] |
||
1329 | mov ecx, [eax+APPOBJ.bk] |
||
1330 | mov [ebx+APPOBJ.bk], ecx |
||
1331 | mov [ecx+APPOBJ.fd], ebx |
||
1332 | popfd |
||
281 | serge | 1333 | |
2434 | Serge | 1334 | xor edx, edx ;clear common header |
1335 | mov [eax], edx |
||
1336 | mov [eax+4], edx |
||
1337 | mov [eax+8], edx |
||
1338 | mov [eax+12], edx |
||
1339 | mov [eax+16], edx |
||
281 | serge | 1340 | |
2434 | Serge | 1341 | call free ;release object memory |
1342 | ret |
||
5577 | serge | 1343 | |
1344 | |||
1345 | |||
1346 | ; param |
||
1347 | ; eñõ= size |
||
1348 | |||
1349 | align 4 |
||
1350 | create_object: |
||
1351 | |||
1352 | push esi |
||
1353 | push edi |
||
1354 | pushfd |
||
1355 | cli |
||
1356 | |||
1357 | mov esi, [current_process] |
||
1358 | mov eax, [esi+PROC.ht_free] |
||
1359 | mov edi, [esi+PROC.ht_next] |
||
1360 | dec eax |
||
1361 | js .err0 |
||
1362 | |||
1363 | mov [esi+PROC.ht_free], eax |
||
1364 | mov eax, [esi+PROC.htab+edi*4] |
||
1365 | mov [esi+PROC.ht_next], eax |
||
1366 | popfd |
||
1367 | |||
1368 | mov eax, ecx |
||
1369 | call malloc |
||
1370 | test eax, eax |
||
1371 | jz .err1 |
||
1372 | |||
1373 | mov [eax+FUTEX.handle], edi |
||
1374 | mov [esi+PROC.htab+edi*4], eax |
||
1375 | pop edi |
||
1376 | pop esi |
||
1377 | ret |
||
1378 | |||
1379 | .err1: |
||
1380 | pushfd |
||
1381 | cli |
||
1382 | |||
1383 | mov eax, [esi+PROC.ht_next] |
||
1384 | mov [esi+PROC.htab+edi*4], eax |
||
1385 | mov [esi+PROC.ht_next], edi |
||
1386 | inc [esi+PROC.ht_free] |
||
1387 | .err0: |
||
1388 | popfd |
||
1389 | pop edi |
||
1390 | pop esi |
||
1391 | xor eax, eax |
||
1392 | ret |
||
1393 | |||
1394 | |||
1395 | align 4 |
||
5585 | serge | 1396 | ;struct futex* __fastcall create_futex(int *ptr) |
5577 | serge | 1397 | create_futex: |
5585 | serge | 1398 | push ecx |
5577 | serge | 1399 | mov ecx, sizeof.FUTEX |
1400 | call create_object |
||
5585 | serge | 1401 | pop ecx |
5577 | serge | 1402 | test eax, eax |
1403 | jz .fail |
||
1404 | |||
1405 | mov [eax+FUTEX.magic], 'FUTX' |
||
1406 | mov [eax+FUTEX.destroy], 0 |
||
5585 | serge | 1407 | mov [eax+FUTEX.pointer], ecx |
5577 | serge | 1408 | lea ecx, [eax+FUTEX.wait_list] |
1409 | list_init ecx |
||
1410 | mov [eax+FUTEX.flags], 0 |
||
1411 | .fail: |
||
1412 | ret |
||
1413 |