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1 | #if defined(__GNUC__) && !defined(__STRICT_ANSI__) |
2 | |
3 | #define _GNU_SOURCE 1 |
4 | |
5 | #if defined(RTLD_NEXT) |
6 | #define REAL_LIBC RTLD_NEXT |
7 | #else |
8 | #define REAL_LIBC ((void *) -1L) |
9 | #endif |
10 | |
11 | #include <dlfcn.h> |
12 | #include <stdarg.h> |
13 | #include <stdlib.h> |
14 | #include <string.h> |
15 | #include <unistd.h> |
16 | #include <fcntl.h> |
17 | #include <sys/types.h> |
18 | #include <sys/stat.h> |
19 | #include <sys/time.h> |
20 | #include <stdio.h> |
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21 | #include "xilinx.h" |
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22 | |
23 | #define SNIFFLEN 4096 |
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24 | static unsigned char lastbuf[4096]; |
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25 | static int (*ioctl_func) (int, int, void *) = NULL; |
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26 | |
27 | void hexdump(unsigned char *buf, int len); |
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28 | void diff(unsigned char *buf1, unsigned char *buf2, int len); |
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29 | |
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30 | int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { |
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31 | struct header_struct* wdheader = (struct header_struct*)wdioctl; |
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32 | struct version_struct *version; |
33 | int ret = 0; |
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34 | |
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35 | if (wdheader->magic != MAGIC) { |
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36 | fprintf(stderr,"!!!ERROR: Header does not match!!!\n"); |
37 | return; |
38 | } |
39 | |
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40 | switch(request) { |
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41 | case VERSION: |
9c9fd67c |
42 | version = (struct version_struct*)(wdheader->data); |
43 | strcpy(version->version, "WinDriver no more"); |
44 | version->versionul = 999; |
45 | fprintf(stderr,"faking VERSION\n"); |
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46 | break; |
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47 | case CARD_REGISTER: |
48 | { |
49 | struct card_register* cr = (struct card_register*)(wdheader->data); |
50 | /* Todo: LPT-Port already in use */ |
51 | } |
52 | fprintf(stderr,"faking CARD_REGISTER\n"); |
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53 | break; |
54 | case USB_TRANSFER: |
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55 | fprintf(stderr,"in USB_TRANSFER"); |
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56 | { |
57 | struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data); |
58 | |
59 | fprintf(stderr," unique: %d, pipe: %d, read: %d, options: %x, size: %d, timeout: %x\n", ut->dwUniqueID, ut->dwPipeNum, ut->fRead, ut->dwOptions, ut->dwBufferSize, ut->dwTimeout); |
9c9fd67c |
60 | fprintf(stderr,"setup packet: "); |
61 | hexdump(ut->SetupPacket, 8); |
62 | fprintf(stderr,"\n"); |
63 | if (!ut->fRead && ut->dwBufferSize) |
64 | { |
65 | hexdump(ut->pBuffer, ut->dwBufferSize); |
66 | fprintf(stderr,"\n"); |
67 | } |
68 | |
69 | ret = (*ioctl_func) (fd, request, wdioctl); |
70 | |
71 | fprintf(stderr,"Transferred: %d (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write")); |
72 | if (ut->fRead && ut->dwBytesTransferred) |
73 | { |
74 | fprintf(stderr,"Read: "); |
75 | hexdump(ut->pBuffer, ut->dwBytesTransferred); |
76 | } |
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77 | fprintf(stderr,"\n"); |
78 | } |
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79 | break; |
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80 | case INT_ENABLE: |
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81 | fprintf(stderr,"faking INT_ENABLE"); |
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82 | { |
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83 | struct interrupt *it = (struct interrupt*)(wdheader->data); |
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84 | |
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85 | fprintf(stderr," Handle: %d, Options: %x, ncmds: %d\n", it->hInterrupt, it->dwOptions, it->dwCmds); |
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86 | |
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87 | it->fEnableOk = 1; |
88 | //ret = (*ioctl_func) (fd, request, wdioctl); |
89 | } |
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90 | |
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91 | break; |
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92 | |
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93 | case INT_DISABLE: |
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94 | fprintf(stderr,"INT_DISABLE\n"); |
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95 | { |
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96 | struct interrupt *it = (struct interrupt*)(wdheader->data); |
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97 | |
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98 | fprintf(stderr," Handle: %d, Options: %x, ncmds: %d\n", it->hInterrupt, it->dwOptions, it->dwCmds); |
99 | |
100 | hexdump(wdheader->data, wdheader->size); |
101 | //it->dwCounter = 0; |
102 | //it->fStopped = 1; |
103 | ret = (*ioctl_func) (fd, request, wdioctl); |
104 | fprintf(stderr,"\n\n"); |
105 | hexdump(wdheader->data, wdheader->size); |
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106 | fprintf(stderr,"\n"); |
da3ba95a |
107 | } |
da3ba95a |
108 | break; |
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109 | |
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110 | case USB_SET_INTERFACE: |
111 | fprintf(stderr,"USB_SET_INTERFACE\n"); |
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112 | { |
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113 | struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data); |
114 | |
115 | fprintf(stderr,"unique: %d, interfacenum: %d, alternatesetting: %d, options: %x\n", usi->dwUniqueID, usi->dwInterfaceNum, usi->dwAlternateSetting, usi->dwOptions); |
116 | ret = (*ioctl_func) (fd, request, wdioctl); |
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117 | } |
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118 | break; |
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119 | |
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120 | case USB_GET_DEVICE_DATA: |
121 | fprintf(stderr,"USB_GET_DEVICE_DATA\n"); |
122 | { |
123 | struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data); |
124 | int pSize; |
125 | |
126 | fprintf(stderr, "uniqe: %d, bytes: %d, options: %x\n", ugdd->dwUniqueID, ugdd->dwBytes, ugdd->dwOptions); |
127 | pSize = ugdd->dwBytes; |
128 | ret = (*ioctl_func) (fd, request, wdioctl); |
129 | if (pSize) { |
130 | hexdump(ugdd->pBuf, pSize); |
131 | fprintf(stderr, "\n"); |
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132 | } |
133 | } |
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134 | break; |
135 | |
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136 | case LICENSE: |
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137 | fprintf(stderr,"faking LICENSE\n"); |
138 | break; |
139 | |
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140 | case TRANSFER: |
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141 | fprintf(stderr,"TRANSFER\n"); |
142 | ret = (*ioctl_func) (fd, request, wdioctl); |
143 | break; |
144 | |
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145 | case EVENT_UNREGISTER: |
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146 | fprintf(stderr,"EVENT_UNREGISTER\n"); |
147 | ret = (*ioctl_func) (fd, request, wdioctl); |
148 | break; |
149 | |
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150 | case INT_WAIT: |
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151 | fprintf(stderr,"INT_WAIT\n"); |
152 | ret = (*ioctl_func) (fd, request, wdioctl); |
153 | break; |
154 | |
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155 | case CARD_UNREGISTER: |
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156 | fprintf(stderr,"CARD_UNREGISTER\n"); |
157 | ret = (*ioctl_func) (fd, request, wdioctl); |
158 | break; |
159 | |
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160 | case EVENT_PULL: |
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161 | fprintf(stderr,"EVENT_PULL\n"); |
162 | ret = (*ioctl_func) (fd, request, wdioctl); |
163 | break; |
164 | |
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165 | case EVENT_REGISTER: |
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166 | fprintf(stderr,"EVENT_REGISTER\n"); |
167 | ret = (*ioctl_func) (fd, request, wdioctl); |
168 | break; |
169 | |
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170 | default: |
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171 | ret = (*ioctl_func) (fd, request, wdioctl); |
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172 | } |
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173 | |
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174 | return ret; |
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175 | } |
176 | |
177 | |
178 | typedef int (*open_funcptr_t) (const char *, int, mode_t); |
179 | |
180 | static windrvrfd = 0; |
181 | static void* mmapped = NULL; |
182 | static size_t mmapplen = 0; |
183 | |
184 | int open (const char *pathname, int flags, ...) |
185 | { |
186 | static open_funcptr_t func = NULL; |
187 | mode_t mode = 0; |
188 | va_list args; |
189 | int fd; |
190 | |
191 | if (!func) |
192 | func = (open_funcptr_t) dlsym (REAL_LIBC, "open"); |
193 | |
194 | if (flags & O_CREAT) { |
195 | va_start(args, flags); |
196 | mode = va_arg(args, mode_t); |
197 | va_end(args); |
198 | } |
199 | |
200 | fd = (*func) (pathname, flags, mode); |
201 | |
202 | if (!strcmp (pathname, "/dev/windrvr6")) { |
203 | fprintf(stderr,"opening windrvr6\n"); |
204 | windrvrfd = fd; |
205 | } |
206 | |
207 | return fd; |
208 | } |
209 | |
210 | void diff(unsigned char *buf1, unsigned char *buf2, int len) { |
211 | int i; |
212 | |
213 | for(i=0; i<len; i++) { |
214 | if (buf1[i] != buf2[i]) { |
215 | fprintf(stderr,"Diff at %d: %02x(%c)->%02x(%c)\n", i, buf1[i], ((buf1[i] >= 31 && buf1[i] <= 126)?buf1[i]:'.'), buf2[i], ((buf2[i] >= 31 && buf2[i] <= 126)?buf2[i]:'.')); |
216 | } |
217 | } |
218 | } |
219 | |
220 | void hexdump(unsigned char *buf, int len) { |
221 | int i; |
222 | |
223 | for(i=0; i<len; i++) { |
224 | fprintf(stderr,"%02x ", buf[i]); |
225 | if ((i % 16) == 15) |
226 | fprintf(stderr,"\n"); |
227 | } |
228 | } |
229 | |
230 | int ioctl(int fd, int request, ...) |
231 | { |
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232 | va_list args; |
233 | void *argp; |
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234 | int ret; |
235 | |
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236 | if (!ioctl_func) |
237 | ioctl_func = (int (*) (int, int, void *)) dlsym (REAL_LIBC, "ioctl"); |
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238 | |
239 | va_start (args, request); |
240 | argp = va_arg (args, void *); |
241 | va_end (args); |
242 | |
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243 | if (fd == windrvrfd) |
244 | ret = do_wdioctl(fd, request, argp); |
245 | else |
246 | ret = (*ioctl_func) (fd, request, argp); |
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247 | |
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248 | return ret; |
249 | } |
250 | |
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251 | #if 0 |
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252 | void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset) |
253 | { |
254 | static void* (*func) (void *, size_t, int, int, int, off_t) = NULL; |
255 | void *ret; |
256 | |
257 | if (!func) |
258 | func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap"); |
259 | |
260 | ret = (*func) (start, length, prot, flags, fd, offset); |
261 | fprintf(stderr,"MMAP: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret); |
262 | mmapped = ret; |
263 | mmapplen = length; |
264 | |
265 | return ret; |
266 | } |
267 | |
268 | void *mmap64(void *start, size_t length, int prot, int flags, int fd, off64_t offset) |
269 | { |
270 | static void* (*func) (void *, size_t, int, int, int, off64_t) = NULL; |
271 | void *ret; |
272 | |
273 | if (!func) |
274 | func = (void* (*) (void *, size_t, int, int, int, off64_t)) dlsym (REAL_LIBC, "mmap64"); |
275 | |
276 | ret = (*func) (start, length, prot, flags, fd, offset); |
277 | fprintf(stderr,"MMAP64: %x, %d, %d, %d, %d, %lld -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret); |
278 | mmapped = ret; |
279 | mmapplen = length; |
280 | |
281 | return ret; |
282 | } |
283 | |
284 | void *mmap2(void *start, size_t length, int prot, int flags, int fd, off_t pgoffset) |
285 | { |
286 | static void* (*func) (void *, size_t, int, int, int, off_t) = NULL; |
287 | void *ret; |
288 | |
289 | if (!func) |
290 | func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap2"); |
291 | |
292 | ret = (*func) (start, length, prot, flags, fd, pgoffset); |
293 | fprintf(stderr,"MMAP2: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, pgoffset, (unsigned int)ret); |
294 | mmapped = ret; |
295 | mmapplen = length; |
296 | |
297 | return ret; |
298 | } |
299 | |
300 | void *malloc(size_t size) |
301 | { |
302 | static void* (*func) (size_t) = NULL; |
303 | void *ret; |
304 | |
305 | if (!func) |
306 | func = (void* (*) (size_t)) dlsym(REAL_LIBC, "malloc"); |
307 | |
308 | ret = (*func) (size); |
309 | |
310 | //fprintf(stderr,"MALLOC: %d -> %x\n", size, (unsigned int) ret); |
311 | |
312 | return ret; |
313 | } |
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314 | #endif |
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315 | |
316 | |
317 | #endif |