most things are traced now, event_pull is next
[usb-driver] / usb-driver.c
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>
21 #include "xilinx.h"
22
23 static int (*ioctl_func) (int, int, void *) = NULL;
24 static int windrvrfd = 0;
25
26 void hexdump(unsigned char *buf, int len);
27 void diff(unsigned char *buf1, unsigned char *buf2, int len);
28
29 int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
30 struct header_struct* wdheader = (struct header_struct*)wdioctl;
31 struct version_struct *version;
32 int ret = 0;
33
34 if (wdheader->magic != MAGIC) {
35 fprintf(stderr,"!!!ERROR: magic header does not match!!!\n");
36 return (*ioctl_func) (fd, request, wdioctl);
37 }
38
39 switch(request) {
40 case VERSION:
41 version = (struct version_struct*)(wdheader->data);
42 strcpy(version->version, "WinDriver no more");
43 version->versionul = 999;
44 fprintf(stderr,"faking VERSION\n");
45 break;
46
47 case LICENSE:
48 fprintf(stderr,"faking LICENSE\n");
49 break;
50
51 case CARD_REGISTER:
52 {
53 //struct card_register* cr = (struct card_register*)(wdheader->data);
54 /* Todo: LPT-Port already in use */
55 }
56 fprintf(stderr,"faking CARD_REGISTER\n");
57 break;
58
59 case USB_TRANSFER:
60 fprintf(stderr,"in USB_TRANSFER");
61 {
62 struct usb_transfer *ut = (struct usb_transfer*)(wdheader->data);
63
64 fprintf(stderr," unique: %lu, pipe: %lu, read: %lu, options: %lx, size: %lu, timeout: %lx\n", ut->dwUniqueID, ut->dwPipeNum, ut->fRead, ut->dwOptions, ut->dwBufferSize, ut->dwTimeout);
65 fprintf(stderr,"setup packet: ");
66 hexdump(ut->SetupPacket, 8);
67 fprintf(stderr,"\n");
68 if (!ut->fRead && ut->dwBufferSize)
69 {
70 hexdump(ut->pBuffer, ut->dwBufferSize);
71 fprintf(stderr,"\n");
72 }
73
74 ret = (*ioctl_func) (fd, request, wdioctl);
75
76 fprintf(stderr,"Transferred: %lu (%s)\n",ut->dwBytesTransferred, (ut->fRead?"read":"write"));
77 if (ut->fRead && ut->dwBytesTransferred)
78 {
79 fprintf(stderr,"Read: ");
80 hexdump(ut->pBuffer, ut->dwBytesTransferred);
81 }
82 fprintf(stderr,"\n");
83 }
84 break;
85
86 case INT_ENABLE:
87 fprintf(stderr,"faking INT_ENABLE");
88 {
89 struct interrupt *it = (struct interrupt*)(wdheader->data);
90
91 fprintf(stderr,"Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds, it->fEnableOk, it->dwCounter, it->dwLost, it->fStopped);
92
93 it->fEnableOk = 1;
94 //ret = (*ioctl_func) (fd, request, wdioctl);
95 }
96
97 break;
98
99 case INT_DISABLE:
100 fprintf(stderr,"INT_DISABLE\n");
101 {
102 struct interrupt *it = (struct interrupt*)(wdheader->data);
103
104 fprintf(stderr,"Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds, it->fEnableOk, it->dwCounter, it->dwLost, it->fStopped);
105 //it->dwCounter = 0;
106 //it->fStopped = 1;
107 ret = (*ioctl_func) (fd, request, wdioctl);
108 fprintf(stderr,"Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds, it->fEnableOk, it->dwCounter, it->dwLost, it->fStopped);
109 }
110 break;
111
112 case USB_SET_INTERFACE:
113 fprintf(stderr,"USB_SET_INTERFACE\n");
114 {
115 struct usb_set_interface *usi = (struct usb_set_interface*)(wdheader->data);
116
117 fprintf(stderr,"unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n", usi->dwUniqueID, usi->dwInterfaceNum, usi->dwAlternateSetting, usi->dwOptions);
118 ret = (*ioctl_func) (fd, request, wdioctl);
119 }
120 break;
121
122 case USB_GET_DEVICE_DATA:
123 fprintf(stderr,"USB_GET_DEVICE_DATA\n");
124 {
125 struct usb_get_device_data *ugdd = (struct usb_get_device_data*)(wdheader->data);
126 int pSize;
127
128 fprintf(stderr, "uniqe: %lu, bytes: %lu, options: %lx\n", ugdd->dwUniqueID, ugdd->dwBytes, ugdd->dwOptions);
129 pSize = ugdd->dwBytes;
130 ret = (*ioctl_func) (fd, request, wdioctl);
131 if (pSize) {
132 hexdump(ugdd->pBuf, pSize);
133 fprintf(stderr, "\n");
134 }
135 }
136 break;
137
138 case EVENT_REGISTER:
139 fprintf(stderr,"EVENT_REGISTER\n");
140 {
141 struct event *e = (struct event*)(wdheader->data);
142 int i;
143
144 fprintf(stderr,"handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n", e->handle, e->dwAction, e->dwStatus, e->dwEventId, e->dwCardType, e->hKernelPlugIn, e->dwOptions, e->u.Usb.deviceId.dwVendorId, e->u.Usb.deviceId.dwProductId, e->u.Usb.dwUniqueID, e->dwEventVer, e->dwNumMatchTables);
145 for (i = 0; i < e->dwNumMatchTables; i++)
146 fprintf(stderr,"match: dev: %x:%x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", e->matchTables[i].VendorId, e->matchTables[i].ProductId, e->matchTables[i].bDeviceClass, e->matchTables[i].bDeviceSubClass, e->matchTables[i].bInterfaceClass, e->matchTables[i].bInterfaceSubClass, e->matchTables[i].bInterfaceProtocol);
147
148 ret = (*ioctl_func) (fd, request, wdioctl);
149
150 fprintf(stderr,"handle: %lu, action: %lu, status: %lu, eventid: %lu, cardtype: %lu, kplug: %lu, options: %lu, dev: %lx:%lx, unique: %lu, ver: %lu, nummatch: %lu\n", e->handle, e->dwAction, e->dwStatus, e->dwEventId, e->dwCardType, e->hKernelPlugIn, e->dwOptions, e->u.Usb.deviceId.dwVendorId, e->u.Usb.deviceId.dwProductId, e->u.Usb.dwUniqueID, e->dwEventVer, e->dwNumMatchTables);
151 for (i = 0; i < e->dwNumMatchTables; i++)
152 fprintf(stderr,"match: dev: %x:%x, class: %x, subclass: %x, intclass: %x, intsubclass: %x, intproto: %x\n", e->matchTables[i].VendorId, e->matchTables[i].ProductId, e->matchTables[i].bDeviceClass, e->matchTables[i].bDeviceSubClass, e->matchTables[i].bInterfaceClass, e->matchTables[i].bInterfaceSubClass, e->matchTables[i].bInterfaceProtocol);
153 }
154 break;
155
156 case TRANSFER:
157 fprintf(stderr,"TRANSFER\n");
158 ret = (*ioctl_func) (fd, request, wdioctl);
159 break;
160
161 case EVENT_UNREGISTER:
162 fprintf(stderr,"EVENT_UNREGISTER\n");
163 ret = (*ioctl_func) (fd, request, wdioctl);
164 break;
165
166 case INT_WAIT:
167 fprintf(stderr,"INT_WAIT\n");
168 {
169 struct interrupt *it = (struct interrupt*)(wdheader->data);
170
171 fprintf(stderr,"Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds, it->fEnableOk, it->dwCounter, it->dwLost, it->fStopped);
172
173 ret = (*ioctl_func) (fd, request, wdioctl);
174 fprintf(stderr,"Handle: %lu, Options: %lx, ncmds: %lu, enableok: %lu, count: %lu, lost: %lu, stopped: %lu\n", it->hInterrupt, it->dwOptions, it->dwCmds, it->fEnableOk, it->dwCounter, it->dwLost, it->fStopped);
175 }
176 break;
177
178 case CARD_UNREGISTER:
179 fprintf(stderr,"CARD_UNREGISTER\n");
180 ret = (*ioctl_func) (fd, request, wdioctl);
181 break;
182
183 case EVENT_PULL:
184 fprintf(stderr,"EVENT_PULL\n");
185 ret = (*ioctl_func) (fd, request, wdioctl);
186 break;
187
188 default:
189 ret = (*ioctl_func) (fd, request, wdioctl);
190 }
191
192 return ret;
193 }
194
195
196 typedef int (*open_funcptr_t) (const char *, int, mode_t);
197
198 int open (const char *pathname, int flags, ...)
199 {
200 static open_funcptr_t func = NULL;
201 mode_t mode = 0;
202 va_list args;
203 int fd;
204
205 if (!func)
206 func = (open_funcptr_t) dlsym (REAL_LIBC, "open");
207
208 if (flags & O_CREAT) {
209 va_start(args, flags);
210 mode = va_arg(args, mode_t);
211 va_end(args);
212 }
213
214 fd = (*func) (pathname, flags, mode);
215
216 if (!strcmp (pathname, "/dev/windrvr6")) {
217 fprintf(stderr,"opening windrvr6\n");
218 windrvrfd = fd;
219 }
220
221 return fd;
222 }
223
224 void diff(unsigned char *buf1, unsigned char *buf2, int len) {
225 int i;
226
227 for(i=0; i<len; i++) {
228 if (buf1[i] != buf2[i]) {
229 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]:'.'));
230 }
231 }
232 }
233
234 void hexdump(unsigned char *buf, int len) {
235 int i;
236
237 for(i=0; i<len; i++) {
238 fprintf(stderr,"%02x ", buf[i]);
239 if ((i % 16) == 15)
240 fprintf(stderr,"\n");
241 }
242 }
243
244 int ioctl(int fd, int request, ...)
245 {
246 va_list args;
247 void *argp;
248 int ret;
249
250 if (!ioctl_func)
251 ioctl_func = (int (*) (int, int, void *)) dlsym (REAL_LIBC, "ioctl");
252
253 va_start (args, request);
254 argp = va_arg (args, void *);
255 va_end (args);
256
257 if (fd == windrvrfd)
258 ret = do_wdioctl(fd, request, argp);
259 else
260 ret = (*ioctl_func) (fd, request, argp);
261
262 return ret;
263 }
264
265 #if 0
266 void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
267 {
268 static void* (*func) (void *, size_t, int, int, int, off_t) = NULL;
269 void *ret;
270
271 if (!func)
272 func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap");
273
274 ret = (*func) (start, length, prot, flags, fd, offset);
275 fprintf(stderr,"MMAP: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret);
276 mmapped = ret;
277 mmapplen = length;
278
279 return ret;
280 }
281
282 void *mmap64(void *start, size_t length, int prot, int flags, int fd, off64_t offset)
283 {
284 static void* (*func) (void *, size_t, int, int, int, off64_t) = NULL;
285 void *ret;
286
287 if (!func)
288 func = (void* (*) (void *, size_t, int, int, int, off64_t)) dlsym (REAL_LIBC, "mmap64");
289
290 ret = (*func) (start, length, prot, flags, fd, offset);
291 fprintf(stderr,"MMAP64: %x, %d, %d, %d, %d, %lld -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret);
292 mmapped = ret;
293 mmapplen = length;
294
295 return ret;
296 }
297
298 void *mmap2(void *start, size_t length, int prot, int flags, int fd, off_t pgoffset)
299 {
300 static void* (*func) (void *, size_t, int, int, int, off_t) = NULL;
301 void *ret;
302
303 if (!func)
304 func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap2");
305
306 ret = (*func) (start, length, prot, flags, fd, pgoffset);
307 fprintf(stderr,"MMAP2: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, pgoffset, (unsigned int)ret);
308 mmapped = ret;
309 mmapplen = length;
310
311 return ret;
312 }
313
314 void *malloc(size_t size)
315 {
316 static void* (*func) (size_t) = NULL;
317 void *ret;
318
319 if (!func)
320 func = (void* (*) (size_t)) dlsym(REAL_LIBC, "malloc");
321
322 ret = (*func) (size);
323
324 //fprintf(stderr,"MALLOC: %d -> %x\n", size, (unsigned int) ret);
325
326 return ret;
327 }
328 #endif
329
330
331 #endif
Impressum, Datenschutz