no more windrvr, please
[usb-driver] / usb-driver.c
CommitLineData
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>
21
22#define SNIFFLEN 4096
23
24void hexdump(unsigned char *buf, int len);
25
26struct header_struct {
27 unsigned long dwHeader;
28 void* data;
29 unsigned long dwSize;
30};
31
32struct version_struct {
33 unsigned long versionul;
34 char version[128];
35};
36
37struct license_struct {
38 char cLicense[128]; // Buffer with license string to put.
39 // If empty string then get current license setting
40 // into dwLicense.
41 unsigned long dwLicense; // Returns license settings: LICENSE_DEMO, LICENSE_WD
42 // etc..., or 0 for invalid license.
43 unsigned long dwLicense2; // Returns additional license settings, if dwLicense
44 // could not hold all the information.
45 // Then dwLicense will return 0.
46};
47
48#define WD_IOCTL_HEADER_CODE 0xa410b413UL
49
50void parse_wdioctlreq(unsigned char *wdioctl, unsigned int request) {
51 struct header_struct* wdheader = (struct header_struct*)wdioctl;
52
53 if (wdheader->dwHeader != WD_IOCTL_HEADER_CODE) {
54 fprintf(stderr,"!!!ERROR: Header does not match!!!\n");
55 return;
56 }
57
58 fprintf(stderr, "Request: ");
59 switch(request) {
60 case 0x910:
61 fprintf(stderr,"IOCTL_WD_VERSION");
62 //fprintf(stderr," %s(%d)", ((struct version_struct*)(wdheader->data))->version, ((struct version_struct*)(wdheader->data))->versionul);
63 break;
64 case 0x952:
65 fprintf(stderr,"IOCTL_WD_LICENSE");
66 break;
67 case 0x98c:
68 fprintf(stderr,"IOCTL_WD_TRANSFER");
69 break;
70 case 0x983:
71 fprintf(stderr,"IOCTL_WDU_TRANSFER");
72 break;
73 case 0x987:
74 fprintf(stderr,"IOCTL_WD_EVENT_UNREGISTER");
75 break;
76 case 0x91f:
77 fprintf(stderr,"IOCTL_WD_INT_DISABLE");
78 break;
79 case 0x94b:
80 fprintf(stderr,"IOCTL_WD_INT_WAIT");
81 break;
82 case 0x92b:
83 fprintf(stderr,"IOCTL_WD_CARD_UNREGISTER");
84 break;
85 case 0x9a7:
86 fprintf(stderr,"IOCTL_WDU_GET_DEVICE_DATA");
87 break;
88 case 0x98e:
89 fprintf(stderr,"IOCTL_WD_INT_ENABLE");
90 break;
91 case 0x988:
92 fprintf(stderr,"IOCTL_WD_EVENT_PULL");
93 break;
94 case 0x981:
95 fprintf(stderr,"IOCTL_WDU_SET_INTERFACE");
96 break;
97 default:
98 fprintf(stderr,"Unknown(%x)",request);
99 }
100
101 fprintf(stderr, ", size: %d\n", wdheader->dwSize);
102}
103
104void parse_wdioctlans(unsigned char *wdioctl, unsigned int request, int result) {
105 struct header_struct* wdheader = (struct header_struct*)wdioctl;
106
107 if (wdheader->dwHeader != WD_IOCTL_HEADER_CODE) {
108 fprintf(stderr,"!!!ERROR: Header does not match!!!\n");
109 return;
110 }
111
112 fprintf(stderr, "Answer: %d ", result);
113 switch(request) {
114 case 0x910:
115 fprintf(stderr,"\"%s\" (%d)", ((struct version_struct*)(wdheader->data))->version, ((struct version_struct*)(wdheader->data))->versionul);
116 break;
117 case 0x952:
118 fprintf(stderr,"\"%s\" (XX,XX)", ((struct license_struct*)(wdheader->data))->cLicense);
119 break;
120 default:
121 break;
122 }
123 fprintf(stderr, "\n");
124}
125
126
127typedef int (*open_funcptr_t) (const char *, int, mode_t);
128
129static windrvrfd = 0;
130static void* mmapped = NULL;
131static size_t mmapplen = 0;
132
133int open (const char *pathname, int flags, ...)
134{
135 static open_funcptr_t func = NULL;
136 mode_t mode = 0;
137 va_list args;
138 int fd;
139
140 if (!func)
141 func = (open_funcptr_t) dlsym (REAL_LIBC, "open");
142
143 if (flags & O_CREAT) {
144 va_start(args, flags);
145 mode = va_arg(args, mode_t);
146 va_end(args);
147 }
148
149 fd = (*func) (pathname, flags, mode);
150
151 if (!strcmp (pathname, "/dev/windrvr6")) {
152 fprintf(stderr,"opening windrvr6\n");
153 windrvrfd = fd;
154 }
155
156 return fd;
157}
158
159void diff(unsigned char *buf1, unsigned char *buf2, int len) {
160 int i;
161
162 for(i=0; i<len; i++) {
163 if (buf1[i] != buf2[i]) {
164 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]:'.'));
165 }
166 }
167}
168
169void hexdump(unsigned char *buf, int len) {
170 int i;
171
172 for(i=0; i<len; i++) {
173 fprintf(stderr,"%02x ", buf[i]);
174 if ((i % 16) == 15)
175 fprintf(stderr,"\n");
176 }
177}
178
179int ioctl(int fd, int request, ...)
180{
181 static int (*func) (int, int, void *) = NULL;
182 va_list args;
183 void *argp;
184 unsigned char prebuf[SNIFFLEN];
185 int ret;
186
187 if (!func)
188 func = (int (*) (int, int, void *)) dlsym (REAL_LIBC, "ioctl");
189
190 va_start (args, request);
191 argp = va_arg (args, void *);
192 va_end (args);
193
194 if (fd == windrvrfd) {
195 memcpy(prebuf, argp, SNIFFLEN);
196 parse_wdioctlreq(argp, request);
197 }
198
199 ret = (*func) (fd, request, argp);
200
201 if (fd == windrvrfd) {
202 parse_wdioctlans(argp, request, ret);
203 }
204 return ret;
205}
206
207void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
208{
209 static void* (*func) (void *, size_t, int, int, int, off_t) = NULL;
210 void *ret;
211
212 if (!func)
213 func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap");
214
215 ret = (*func) (start, length, prot, flags, fd, offset);
216 fprintf(stderr,"MMAP: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret);
217 mmapped = ret;
218 mmapplen = length;
219
220 return ret;
221}
222
223void *mmap64(void *start, size_t length, int prot, int flags, int fd, off64_t offset)
224{
225 static void* (*func) (void *, size_t, int, int, int, off64_t) = NULL;
226 void *ret;
227
228 if (!func)
229 func = (void* (*) (void *, size_t, int, int, int, off64_t)) dlsym (REAL_LIBC, "mmap64");
230
231 ret = (*func) (start, length, prot, flags, fd, offset);
232 fprintf(stderr,"MMAP64: %x, %d, %d, %d, %d, %lld -> %x\n", (unsigned int)start, length, prot, flags, fd, offset, (unsigned int)ret);
233 mmapped = ret;
234 mmapplen = length;
235
236 return ret;
237}
238
239void *mmap2(void *start, size_t length, int prot, int flags, int fd, off_t pgoffset)
240{
241 static void* (*func) (void *, size_t, int, int, int, off_t) = NULL;
242 void *ret;
243
244 if (!func)
245 func = (void* (*) (void *, size_t, int, int, int, off_t)) dlsym (REAL_LIBC, "mmap2");
246
247 ret = (*func) (start, length, prot, flags, fd, pgoffset);
248 fprintf(stderr,"MMAP2: %x, %d, %d, %d, %d, %d -> %x\n", (unsigned int)start, length, prot, flags, fd, pgoffset, (unsigned int)ret);
249 mmapped = ret;
250 mmapplen = length;
251
252 return ret;
253}
254
255void *malloc(size_t size)
256{
257 static void* (*func) (size_t) = NULL;
258 void *ret;
259
260 if (!func)
261 func = (void* (*) (size_t)) dlsym(REAL_LIBC, "malloc");
262
263 ret = (*func) (size);
264
265 //fprintf(stderr,"MALLOC: %d -> %x\n", size, (unsigned int) ret);
266
267 return ret;
268}
269
270
271#endif
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