cdc711dc |
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> |
da3ba95a |
21 | #include "xilinx.h" |
cdc711dc |
22 | |
23 | #define SNIFFLEN 4096 |
da3ba95a |
24 | static unsigned char lastbuf[4096]; |
cdc711dc |
25 | |
26 | void hexdump(unsigned char *buf, int len); |
da3ba95a |
27 | void diff(unsigned char *buf1, unsigned char *buf2, int len); |
cdc711dc |
28 | |
29 | void parse_wdioctlreq(unsigned char *wdioctl, unsigned int request) { |
30 | struct header_struct* wdheader = (struct header_struct*)wdioctl; |
31 | |
da3ba95a |
32 | if (wdheader->magic != MAGIC) { |
cdc711dc |
33 | fprintf(stderr,"!!!ERROR: Header does not match!!!\n"); |
34 | return; |
35 | } |
36 | |
37 | fprintf(stderr, "Request: "); |
38 | switch(request) { |
da3ba95a |
39 | case VERSION: |
40 | fprintf(stderr,"VERSION"); |
41 | break; |
42 | case LICENSE: |
43 | fprintf(stderr,"LICENSE"); |
44 | fprintf(stderr," \"%s\" (XX,XX)", ((struct license_struct*)(wdheader->data))->cLicense); |
cdc711dc |
45 | break; |
da3ba95a |
46 | case TRANSFER: |
47 | fprintf(stderr,"TRANSFER"); |
48 | break; |
49 | case USB_TRANSFER: |
50 | fprintf(stderr,"USB_TRANSFER"); |
51 | #if 0 |
52 | { |
53 | struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data); |
54 | |
55 | 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); |
56 | memcpy(lastbuf, ut->pBuffer, ut->dwBufferSize); |
57 | hexdump(ut->pBuffer, ut->dwBufferSize); |
58 | fprintf(stderr,"\n"); |
59 | } |
60 | fprintf(stderr,"\n"); |
61 | #endif |
cdc711dc |
62 | break; |
da3ba95a |
63 | case EVENT_UNREGISTER: |
64 | fprintf(stderr,"EVENT_UNREGISTER"); |
cdc711dc |
65 | break; |
da3ba95a |
66 | case INT_DISABLE: |
67 | fprintf(stderr,"INT_DISABLE"); |
cdc711dc |
68 | break; |
da3ba95a |
69 | case INT_WAIT: |
70 | fprintf(stderr,"INT_WAIT"); |
cdc711dc |
71 | break; |
da3ba95a |
72 | case CARD_UNREGISTER: |
73 | fprintf(stderr,"CARD_UNREGISTER"); |
cdc711dc |
74 | break; |
da3ba95a |
75 | case USB_GET_DEVICE_DATA: |
76 | fprintf(stderr,"USB_GET_DEVICE_DATA"); |
cdc711dc |
77 | break; |
da3ba95a |
78 | case INT_ENABLE: |
79 | fprintf(stderr,"INT_ENABLE"); |
cdc711dc |
80 | break; |
da3ba95a |
81 | case EVENT_PULL: |
82 | fprintf(stderr,"EVENT_PULL"); |
cdc711dc |
83 | break; |
da3ba95a |
84 | case USB_SET_INTERFACE: |
85 | fprintf(stderr,"USB_SET_INTERFACE"); |
cdc711dc |
86 | break; |
da3ba95a |
87 | case EVENT_REGISTER: |
88 | { |
89 | struct event *e = (struct event*)(wdheader->data); |
90 | fprintf(stderr,"%x:%x ", e->u.Usb.deviceId.dwVendorId, e->u.Usb.deviceId.dwProductId); |
91 | fprintf(stderr,"match: %04x:%04x\n", e->matchTables[0].VendorId, e->matchTables[0].ProductId); |
92 | } |
93 | memcpy(lastbuf, wdheader->data, wdheader->size); |
94 | fprintf(stderr,"EVENT_REGISTER"); |
cdc711dc |
95 | break; |
da3ba95a |
96 | case CARD_REGISTER: |
cdc711dc |
97 | break; |
98 | default: |
da3ba95a |
99 | memcpy(lastbuf, wdheader->data, wdheader->size); |
100 | fprintf(stderr,"\n"); |
101 | hexdump(wdheader->data, wdheader->size); |
102 | fprintf(stderr,"\n"); |
cdc711dc |
103 | fprintf(stderr,"Unknown(%x)",request); |
104 | } |
105 | |
da3ba95a |
106 | fprintf(stderr, ", size: %d\n", wdheader->size); |
cdc711dc |
107 | } |
108 | |
109 | void parse_wdioctlans(unsigned char *wdioctl, unsigned int request, int result) { |
110 | struct header_struct* wdheader = (struct header_struct*)wdioctl; |
111 | |
da3ba95a |
112 | if (wdheader->magic != MAGIC) { |
cdc711dc |
113 | fprintf(stderr,"!!!ERROR: Header does not match!!!\n"); |
114 | return; |
115 | } |
116 | |
117 | fprintf(stderr, "Answer: %d ", result); |
118 | switch(request) { |
da3ba95a |
119 | case VERSION: |
cdc711dc |
120 | fprintf(stderr,"\"%s\" (%d)", ((struct version_struct*)(wdheader->data))->version, ((struct version_struct*)(wdheader->data))->versionul); |
121 | break; |
da3ba95a |
122 | case LICENSE: |
cdc711dc |
123 | fprintf(stderr,"\"%s\" (XX,XX)", ((struct license_struct*)(wdheader->data))->cLicense); |
124 | break; |
da3ba95a |
125 | case TRANSFER: |
126 | case EVENT_UNREGISTER: |
127 | case INT_DISABLE: |
128 | case INT_WAIT: |
129 | case CARD_UNREGISTER: |
130 | case USB_GET_DEVICE_DATA: |
131 | case INT_ENABLE: |
132 | case EVENT_PULL: |
133 | case USB_SET_INTERFACE: |
134 | case CARD_REGISTER: |
135 | break; |
136 | case EVENT_REGISTER: |
137 | fprintf(stderr,"\n"); |
138 | diff(lastbuf, wdheader->data, wdheader->size); |
139 | break; |
140 | case USB_TRANSFER: |
da3ba95a |
141 | { |
142 | struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data); |
143 | |
cb326f4c |
144 | fprintf(stderr,"\nTransferred: %d (%s)",ut->dwBytesTransferred, (ut->fRead?"read":"write")); |
145 | if (ut->fRead && ut->dwBytesTransferred) |
146 | { |
147 | fprintf(stderr,"\nRead: "); |
148 | hexdump(ut->pBuffer, ut->dwBytesTransferred); |
149 | } |
150 | #if 0 |
da3ba95a |
151 | hexdump(ut->pBuffer, ut->dwBufferSize); |
152 | fprintf(stderr,"\n"); |
153 | diff(lastbuf, ut->pBuffer, ut->dwBufferSize); |
cb326f4c |
154 | #endif |
da3ba95a |
155 | } |
da3ba95a |
156 | break; |
cdc711dc |
157 | default: |
da3ba95a |
158 | fprintf(stderr,"\n"); |
159 | hexdump(wdheader->data, wdheader->size); |
160 | fprintf(stderr,"\n"); |
161 | diff(lastbuf, wdheader->data, wdheader->size); |
162 | break; |
163 | } |
cb326f4c |
164 | fprintf(stderr, "\n", wdheader->size); |
da3ba95a |
165 | } |
166 | |
167 | int do_wdioctl(unsigned int request, unsigned char *wdioctl) { |
168 | struct header_struct* wdheader = (struct header_struct*)wdioctl; |
169 | struct version_struct *version; |
170 | |
171 | if (wdheader->magic != MAGIC) { |
172 | fprintf(stderr,"!!!ERROR: Header does not match!!!\n"); |
173 | return; |
174 | } |
175 | |
176 | switch(request) { |
177 | case VERSION: |
178 | version = (struct version_struct*)(wdheader->data); |
179 | strcpy(version->version, "WinDriver no more"); |
180 | version->versionul = 999; |
181 | fprintf(stderr,"faking VERSION\n"); |
182 | break; |
183 | case CARD_REGISTER: |
184 | { |
185 | struct card_register* cr = (struct card_register*)(wdheader->data); |
186 | /* Todo: LPT-Port already in use */ |
187 | } |
188 | fprintf(stderr,"faking CARD_REGISTER\n"); |
cdc711dc |
189 | break; |
da3ba95a |
190 | case USB_TRANSFER: |
191 | fprintf(stderr,"in USB_TRANSFER"); |
192 | { |
193 | struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data); |
194 | |
195 | 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); |
196 | fprintf(stderr,"setup packet: "); |
197 | hexdump(ut->SetupPacket, 8); |
198 | if (!ut->fRead && ut->dwBufferSize) |
199 | { |
200 | hexdump(ut->pBuffer, ut->dwBufferSize); |
201 | fprintf(stderr,"\n"); |
202 | } |
203 | } |
204 | case LICENSE: |
205 | case TRANSFER: |
206 | case EVENT_UNREGISTER: |
207 | case INT_DISABLE: |
208 | case INT_WAIT: |
209 | case CARD_UNREGISTER: |
210 | case USB_GET_DEVICE_DATA: |
211 | case INT_ENABLE: |
212 | case EVENT_PULL: |
213 | case USB_SET_INTERFACE: |
214 | case EVENT_REGISTER: |
215 | default: |
216 | return -1; |
cdc711dc |
217 | } |
da3ba95a |
218 | |
219 | return 0; |
cdc711dc |
220 | } |
221 | |
222 | |
223 | typedef int (*open_funcptr_t) (const char *, int, mode_t); |
224 | |
225 | static windrvrfd = 0; |
226 | static void* mmapped = NULL; |
227 | static size_t mmapplen = 0; |
228 | |
229 | int open (const char *pathname, int flags, ...) |
230 | { |
231 | static open_funcptr_t func = NULL; |
232 | mode_t mode = 0; |
233 | va_list args; |
234 | int fd; |
235 | |
236 | if (!func) |
237 | func = (open_funcptr_t) dlsym (REAL_LIBC, "open"); |
238 | |
239 | if (flags & O_CREAT) { |
240 | va_start(args, flags); |
241 | mode = va_arg(args, mode_t); |
242 | va_end(args); |
243 | } |
244 | |
245 | fd = (*func) (pathname, flags, mode); |
246 | |
247 | if (!strcmp (pathname, "/dev/windrvr6")) { |
248 | fprintf(stderr,"opening windrvr6\n"); |
249 | windrvrfd = fd; |
250 | } |
251 | |
252 | return fd; |
253 | } |
254 | |
255 | void diff(unsigned char *buf1, unsigned char *buf2, int len) { |
256 | int i; |
257 | |
258 | for(i=0; i<len; i++) { |
259 | if (buf1[i] != buf2[i]) { |
260 | 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]:'.')); |
261 | } |
262 | } |
263 | } |
264 | |
265 | void hexdump(unsigned char *buf, int len) { |
266 | int i; |
267 | |
268 | for(i=0; i<len; i++) { |
269 | fprintf(stderr,"%02x ", buf[i]); |
270 | if ((i % 16) == 15) |
271 | fprintf(stderr,"\n"); |
272 | } |
273 | } |
274 | |
275 | int ioctl(int fd, int request, ...) |
276 | { |
277 | static int (*func) (int, int, void *) = NULL; |
278 | va_list args; |
279 | void *argp; |
cdc711dc |
280 | int ret; |
281 | |
282 | if (!func) |
283 | func = (int (*) (int, int, void *)) dlsym (REAL_LIBC, "ioctl"); |
284 | |
285 | va_start (args, request); |
286 | argp = va_arg (args, void *); |
287 | va_end (args); |
288 | |
289 | if (fd == windrvrfd) { |
cdc711dc |
290 | parse_wdioctlreq(argp, request); |
cdc711dc |
291 | |
da3ba95a |
292 | if ((ret = do_wdioctl(request, argp))) |
293 | ret = (*func) (fd, request, argp); |
294 | } else { |
295 | ret = (*func) (fd, request, argp); |
296 | } |
cdc711dc |
297 | |
298 | if (fd == windrvrfd) { |
299 | parse_wdioctlans(argp, request, ret); |
300 | } |
301 | return ret; |
302 | } |
303 | |
da3ba95a |
304 | #if 0 |
cdc711dc |
305 | void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset) |
306 | { |
307 | static void* (*func) (void *, size_t, int, int, int, off_t) = NULL; |
308 | void *ret; |
309 | |
310 | if (!func) |
311 | func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap"); |
312 | |
313 | ret = (*func) (start, length, prot, flags, fd, offset); |
314 | fprintf(stderr,"MMAP: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret); |
315 | mmapped = ret; |
316 | mmapplen = length; |
317 | |
318 | return ret; |
319 | } |
320 | |
321 | void *mmap64(void *start, size_t length, int prot, int flags, int fd, off64_t offset) |
322 | { |
323 | static void* (*func) (void *, size_t, int, int, int, off64_t) = NULL; |
324 | void *ret; |
325 | |
326 | if (!func) |
327 | func = (void* (*) (void *, size_t, int, int, int, off64_t)) dlsym (REAL_LIBC, "mmap64"); |
328 | |
329 | ret = (*func) (start, length, prot, flags, fd, offset); |
330 | fprintf(stderr,"MMAP64: %x, %d, %d, %d, %d, %lld -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret); |
331 | mmapped = ret; |
332 | mmapplen = length; |
333 | |
334 | return ret; |
335 | } |
336 | |
337 | void *mmap2(void *start, size_t length, int prot, int flags, int fd, off_t pgoffset) |
338 | { |
339 | static void* (*func) (void *, size_t, int, int, int, off_t) = NULL; |
340 | void *ret; |
341 | |
342 | if (!func) |
343 | func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap2"); |
344 | |
345 | ret = (*func) (start, length, prot, flags, fd, pgoffset); |
346 | fprintf(stderr,"MMAP2: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, pgoffset, (unsigned int)ret); |
347 | mmapped = ret; |
348 | mmapplen = length; |
349 | |
350 | return ret; |
351 | } |
352 | |
353 | void *malloc(size_t size) |
354 | { |
355 | static void* (*func) (size_t) = NULL; |
356 | void *ret; |
357 | |
358 | if (!func) |
359 | func = (void* (*) (size_t)) dlsym(REAL_LIBC, "malloc"); |
360 | |
361 | ret = (*func) (size); |
362 | |
363 | //fprintf(stderr,"MALLOC: %d -> %x\n", size, (unsigned int) ret); |
364 | |
365 | return ret; |
366 | } |
da3ba95a |
367 | #endif |
cdc711dc |
368 | |
369 | |
370 | #endif |