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/*
* names.c -- USB name database manipulation routines
*
* Copyright (C) 1999, 2000 Thomas Sailer (sailer@ife.ee.ethz.ch)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*
*/
/*
* Copyright (C) 2005 Takahiro Hirofuchi
* - names_deinit() is added.
*/
/*****************************************************************************/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <ctype.h>
#include "names.h"
/* ---------------------------------------------------------------------- */
struct vendor {
struct vendor *next;
u_int16_t vendorid;
char name[1];
};
struct product {
struct product *next;
u_int16_t vendorid, productid;
char name[1];
};
struct class {
struct class *next;
u_int8_t classid;
char name[1];
};
struct subclass {
struct subclass *next;
u_int8_t classid, subclassid;
char name[1];
};
struct protocol {
struct protocol *next;
u_int8_t classid, subclassid, protocolid;
char name[1];
};
struct audioterminal {
struct audioterminal *next;
u_int16_t termt;
char name[1];
};
struct genericstrtable {
struct genericstrtable *next;
unsigned int num;
char name[1];
};
/* ---------------------------------------------------------------------- */
#define HASH1 0x10
#define HASH2 0x02
#define HASHSZ 16
static unsigned int hashnum(unsigned int num)
{
unsigned int mask1 = HASH1 << 27, mask2 = HASH2 << 27;
for (; mask1 >= HASH1; mask1 >>= 1, mask2 >>= 1)
if (num & mask1)
num ^= mask2;
return num & (HASHSZ-1);
}
/* ---------------------------------------------------------------------- */
static struct vendor *vendors[HASHSZ] = { NULL, };
static struct product *products[HASHSZ] = { NULL, };
static struct class *classes[HASHSZ] = { NULL, };
static struct subclass *subclasses[HASHSZ] = { NULL, };
static struct protocol *protocols[HASHSZ] = { NULL, };
static struct audioterminal *audioterminals[HASHSZ] = { NULL, };
static struct genericstrtable *hiddescriptors[HASHSZ] = { NULL, };
static struct genericstrtable *reports[HASHSZ] = { NULL, };
static struct genericstrtable *huts[HASHSZ] = { NULL, };
static struct genericstrtable *biass[HASHSZ] = { NULL, };
static struct genericstrtable *physdess[HASHSZ] = { NULL, };
static struct genericstrtable *hutus[HASHSZ] = { NULL, };
static struct genericstrtable *langids[HASHSZ] = { NULL, };
static struct genericstrtable *countrycodes[HASHSZ] = { NULL, };
/* ---------------------------------------------------------------------- */
static const char *names_genericstrtable(struct genericstrtable *t[HASHSZ], unsigned int index)
{
struct genericstrtable *h;
for (h = t[hashnum(index)]; h; h = h->next)
if (h->num == index)
return h->name;
return NULL;
}
const char *names_hid(u_int8_t hidd)
{
return names_genericstrtable(hiddescriptors, hidd);
}
const char *names_reporttag(u_int8_t rt)
{
return names_genericstrtable(reports, rt);
}
const char *names_huts(unsigned int data)
{
return names_genericstrtable(huts, data);
}
const char *names_hutus(unsigned int data)
{
return names_genericstrtable(hutus, data);
}
const char *names_langid(u_int16_t langid)
{
return names_genericstrtable(langids, langid);
}
const char *names_physdes(u_int8_t ph)
{
return names_genericstrtable(physdess, ph);
}
const char *names_bias(u_int8_t b)
{
return names_genericstrtable(biass, b);
}
const char *names_countrycode(unsigned int countrycode)
{
return names_genericstrtable(countrycodes, countrycode);
}
const char *names_vendor(u_int16_t vendorid)
{
struct vendor *v;
v = vendors[hashnum(vendorid)];
for (; v; v = v->next)
if (v->vendorid == vendorid)
return v->name;
return NULL;
}
const char *names_product(u_int16_t vendorid, u_int16_t productid)
{
struct product *p;
p = products[hashnum((vendorid << 16) | productid)];
for (; p; p = p->next)
if (p->vendorid == vendorid && p->productid == productid)
return p->name;
return NULL;
}
const char *names_class(u_int8_t classid)
{
struct class *c;
c = classes[hashnum(classid)];
for (; c; c = c->next)
if (c->classid == classid)
return c->name;
return NULL;
}
const char *names_subclass(u_int8_t classid, u_int8_t subclassid)
{
struct subclass *s;
s = subclasses[hashnum((classid << 8) | subclassid)];
for (; s; s = s->next)
if (s->classid == classid && s->subclassid == subclassid)
return s->name;
return NULL;
}
const char *names_protocol(u_int8_t classid, u_int8_t subclassid, u_int8_t protocolid)
{
struct protocol *p;
p = protocols[hashnum((classid << 16) | (subclassid << 8) | protocolid)];
for (; p; p = p->next)
if (p->classid == classid && p->subclassid == subclassid && p->protocolid == protocolid)
return p->name;
return NULL;
}
const char *names_audioterminal(u_int16_t termt)
{
struct audioterminal *at;
at = audioterminals[hashnum(termt)];
for (; at; at = at->next)
if (at->termt == termt)
return at->name;
return NULL;
}
/* ---------------------------------------------------------------------- */
/* add a cleanup function by takahiro */
struct pool {
struct pool *next;
void *mem;
};
static struct pool *pool_head = NULL;
static void *my_malloc(size_t size)
{
struct pool *p;
p = calloc(1, sizeof(struct pool));
if (!p) {
free(p);
return NULL;
}
p->mem = calloc(1, size);
if (!p->mem)
return NULL;
p->next = pool_head;
pool_head = p;
return p->mem;
}
void names_free(void)
{
struct pool *pool;
if (!pool_head)
return;
for (pool = pool_head; pool != NULL; ) {
struct pool *tmp;
if (pool->mem)
free(pool->mem);
tmp = pool;
pool = pool->next;
free(tmp);
}
}
/* ---------------------------------------------------------------------- */
static int new_vendor(const char *name, u_int16_t vendorid)
{
struct vendor *v;
unsigned int h = hashnum(vendorid);
v = vendors[h];
for (; v; v = v->next)
if (v->vendorid == vendorid)
return -1;
v = my_malloc(sizeof(struct vendor) + strlen(name));
if (!v)
return -1;
strcpy(v->name, name);
v->vendorid = vendorid;
v->next = vendors[h];
vendors[h] = v;
return 0;
}
static int new_product(const char *name, u_int16_t vendorid, u_int16_t productid)
{
struct product *p;
unsigned int h = hashnum((vendorid << 16) | productid);
p = products[h];
for (; p; p = p->next)
if (p->vendorid == vendorid && p->productid == productid)
return -1;
p = my_malloc(sizeof(struct product) + strlen(name));
if (!p)
return -1;
strcpy(p->name, name);
p->vendorid = vendorid;
p->productid = productid;
p->next = products[h];
products[h] = p;
return 0;
}
static int new_class(const char *name, u_int8_t classid)
{
struct class *c;
unsigned int h = hashnum(classid);
c = classes[h];
for (; c; c = c->next)
if (c->classid == classid)
return -1;
c = my_malloc(sizeof(struct class) + strlen(name));
if (!c)
return -1;
strcpy(c->name, name);
c->classid = classid;
c->next = classes[h];
classes[h] = c;
return 0;
}
static int new_subclass(const char *name, u_int8_t classid, u_int8_t subclassid)
{
struct subclass *s;
unsigned int h = hashnum((classid << 8) | subclassid);
s = subclasses[h];
for (; s; s = s->next)
if (s->classid == classid && s->subclassid == subclassid)
return -1;
s = my_malloc(sizeof(struct subclass) + strlen(name));
if (!s)
return -1;
strcpy(s->name, name);
s->classid = classid;
s->subclassid = subclassid;
s->next = subclasses[h];
subclasses[h] = s;
return 0;
}
static int new_protocol(const char *name, u_int8_t classid, u_int8_t subclassid, u_int8_t protocolid)
{
struct protocol *p;
unsigned int h = hashnum((classid << 16) | (subclassid << 8) | protocolid);
p = protocols[h];
for (; p; p = p->next)
if (p->classid == classid && p->subclassid == subclassid && p->protocolid == protocolid)
return -1;
p = my_malloc(sizeof(struct protocol) + strlen(name));
if (!p)
return -1;
strcpy(p->name, name);
p->classid = classid;
p->subclassid = subclassid;
p->protocolid = protocolid;
p->next = protocols[h];
protocols[h] = p;
return 0;
}
static int new_audioterminal(const char *name, u_int16_t termt)
{
struct audioterminal *at;
unsigned int h = hashnum(termt);
at = audioterminals[h];
for (; at; at = at->next)
if (at->termt == termt)
return -1;
at = my_malloc(sizeof(struct audioterminal) + strlen(name));
if (!at)
return -1;
strcpy(at->name, name);
at->termt = termt;
at->next = audioterminals[h];
audioterminals[h] = at;
return 0;
}
static int new_genericstrtable(struct genericstrtable *t[HASHSZ], const char *name, unsigned int index)
{
struct genericstrtable *g;
unsigned int h = hashnum(index);
for (g = t[h]; g; g = g->next)
if (g->num == index)
return -1;
g = my_malloc(sizeof(struct genericstrtable) + strlen(name));
if (!g)
return -1;
strcpy(g->name, name);
g->num = index;
g->next = t[h];
t[h] = g;
return 0;
}
static int new_hid(const char *name, u_int8_t hidd)
{
return new_genericstrtable(hiddescriptors, name, hidd);
}
static int new_reporttag(const char *name, u_int8_t rt)
{
return new_genericstrtable(reports, name, rt);
}
static int new_huts(const char *name, unsigned int data)
{
return new_genericstrtable(huts, name, data);
}
static int new_hutus(const char *name, unsigned int data)
{
return new_genericstrtable(hutus, name, data);
}
static int new_langid(const char *name, u_int16_t langid)
{
return new_genericstrtable(langids, name, langid);
}
static int new_physdes(const char *name, u_int8_t ph)
{
return new_genericstrtable(physdess, name, ph);
}
static int new_bias(const char *name, u_int8_t b)
{
return new_genericstrtable(biass, name, b);
}
static int new_countrycode(const char *name, unsigned int countrycode)
{
return new_genericstrtable(countrycodes, name, countrycode);
}
/* ---------------------------------------------------------------------- */
#define DBG(x)
static void parse(FILE *f)
{
char buf[512], *cp;
unsigned int linectr = 0;
int lastvendor = -1, lastclass = -1, lastsubclass = -1, lasthut=-1, lastlang=-1;
unsigned int u;
while (fgets(buf, sizeof(buf), f)) {
linectr++;
/* remove line ends */
if ((cp = strchr(buf, 13)))
*cp = 0;
if ((cp = strchr(buf, 10)))
*cp = 0;
if (buf[0] == '#' || !buf[0])
continue;
cp = buf;
if (buf[0] == 'P' && buf[1] == 'H' && buf[2] == 'Y' && buf[3] == 'S' && buf[4] == 'D' &&
buf[5] == 'E' && buf[6] == 'S' && /*isspace(buf[7])*/ buf[7] == ' ') {
cp = buf + 8;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid Physdes type at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid Physdes type at line %u\n", linectr);
continue;
}
if (new_physdes(cp, u))
fprintf(stderr, "Duplicate Physdes type spec at line %u terminal type %04x %s\n", linectr, u, cp);
DBG(printf("line %5u physdes type %02x %s\n", linectr, u, cp));
continue;
}
if (buf[0] == 'P' && buf[1] == 'H' && buf[2] == 'Y' && /*isspace(buf[3])*/ buf[3] == ' ') {
cp = buf + 4;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid PHY type at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid PHY type at line %u\n", linectr);
continue;
}
if (new_physdes(cp, u))
fprintf(stderr, "Duplicate PHY type spec at line %u terminal type %04x %s\n", linectr, u, cp);
DBG(printf("line %5u PHY type %02x %s\n", linectr, u, cp));
continue;
}
if (buf[0] == 'B' && buf[1] == 'I' && buf[2] == 'A' && buf[3] == 'S' && /*isspace(buf[4])*/ buf[4] == ' ') {
cp = buf + 5;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid BIAS type at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid BIAS type at line %u\n", linectr);
continue;
}
if (new_bias(cp, u))
fprintf(stderr, "Duplicate BIAS type spec at line %u terminal type %04x %s\n", linectr, u, cp);
DBG(printf("line %5u BIAS type %02x %s\n", linectr, u, cp));
continue;
}
if (buf[0] == 'L' && /*isspace(buf[1])*/ buf[1] == ' ') {
cp = buf+2;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid LANGID spec at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid LANGID spec at line %u\n", linectr);
continue;
}
if (new_langid(cp, u))
fprintf(stderr, "Duplicate LANGID spec at line %u language-id %04x %s\n", linectr, u, cp);
DBG(printf("line %5u LANGID %02x %s\n", linectr, u, cp));
lasthut = lastclass = lastvendor = lastsubclass = -1;
lastlang = u;
continue;
}
if (buf[0] == 'C' && /*isspace(buf[1])*/ buf[1] == ' ') {
/* class spec */
cp = buf+2;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid class spec at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid class spec at line %u\n", linectr);
continue;
}
if (new_class(cp, u))
fprintf(stderr, "Duplicate class spec at line %u class %04x %s\n", linectr, u, cp);
DBG(printf("line %5u class %02x %s\n", linectr, u, cp));
lasthut = lastlang = lastvendor = lastsubclass = -1;
lastclass = u;
continue;
}
if (buf[0] == 'A' && buf[1] == 'T' && isspace(buf[2])) {
/* audio terminal type spec */
cp = buf+3;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid audio terminal type at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid audio terminal type at line %u\n", linectr);
continue;
}
if (new_audioterminal(cp, u))
fprintf(stderr, "Duplicate audio terminal type spec at line %u terminal type %04x %s\n", linectr, u, cp);
DBG(printf("line %5u audio terminal type %02x %s\n", linectr, u, cp));
continue;
}
if (buf[0] == 'H' && buf[1] == 'C' && buf[2] == 'C' && isspace(buf[3])) {
/* HID Descriptor bCountryCode */
cp = buf+3;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid HID country code at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 10);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid HID country code at line %u\n", linectr);
continue;
}
if (new_countrycode(cp, u))
fprintf(stderr, "Duplicate HID country code at line %u country %02u %s\n", linectr, u, cp);
DBG(printf("line %5u keyboard country code %02u %s\n", linectr, u, cp));
continue;
}
if (isxdigit(*cp)) {
/* vendor */
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid vendor spec at line %u\n", linectr);
continue;
}
if (new_vendor(cp, u))
fprintf(stderr, "Duplicate vendor spec at line %u vendor %04x %s\n", linectr, u, cp);
DBG(printf("line %5u vendor %04x %s\n", linectr, u, cp));
lastvendor = u;
lasthut = lastlang = lastclass = lastsubclass = -1;
continue;
}
if (buf[0] == '\t' && isxdigit(buf[1])) {
/* product or subclass spec */
u = strtoul(buf+1, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid product/subclass spec at line %u\n", linectr);
continue;
}
if (lastvendor != -1) {
if (new_product(cp, lastvendor, u))
fprintf(stderr, "Duplicate product spec at line %u product %04x:%04x %s\n", linectr, lastvendor, u, cp);
DBG(printf("line %5u product %04x:%04x %s\n", linectr, lastvendor, u, cp));
continue;
}
if (lastclass != -1) {
if (new_subclass(cp, lastclass, u))
fprintf(stderr, "Duplicate subclass spec at line %u class %02x:%02x %s\n", linectr, lastclass, u, cp);
DBG(printf("line %5u subclass %02x:%02x %s\n", linectr, lastclass, u, cp));
lastsubclass = u;
continue;
}
if (lasthut != -1) {
if (new_hutus(cp, (lasthut << 16)+u))
fprintf(stderr, "Duplicate HUT Usage Spec at line %u\n", linectr);
continue;
}
if (lastlang != -1) {
if (new_langid(cp, lastlang+(u<<10)))
fprintf(stderr, "Duplicate LANGID Usage Spec at line %u\n", linectr);
continue;
}
fprintf(stderr, "Product/Subclass spec without prior Vendor/Class spec at line %u\n", linectr);
continue;
}
if (buf[0] == '\t' && buf[1] == '\t' && isxdigit(buf[2])) {
/* protocol spec */
u = strtoul(buf+2, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid protocol spec at line %u\n", linectr);
continue;
}
if (lastclass != -1 && lastsubclass != -1) {
if (new_protocol(cp, lastclass, lastsubclass, u))
fprintf(stderr, "Duplicate protocol spec at line %u class %02x:%02x:%02x %s\n", linectr, lastclass, lastsubclass, u, cp);
DBG(printf("line %5u protocol %02x:%02x:%02x %s\n", linectr, lastclass, lastsubclass, u, cp));
continue;
}
fprintf(stderr, "Protocol spec without prior Class and Subclass spec at line %u\n", linectr);
continue;
}
if (buf[0] == 'H' && buf[1] == 'I' && buf[2] == 'D' && /*isspace(buf[3])*/ buf[3] == ' ') {
cp = buf + 4;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid HID type at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid HID type at line %u\n", linectr);
continue;
}
if (new_hid(cp, u))
fprintf(stderr, "Duplicate HID type spec at line %u terminal type %04x %s\n", linectr, u, cp);
DBG(printf("line %5u HID type %02x %s\n", linectr, u, cp));
continue;
}
if (buf[0] == 'H' && buf[1] == 'U' && buf[2] == 'T' && /*isspace(buf[3])*/ buf[3] == ' ') {
cp = buf + 4;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid HUT type at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid HUT type at line %u\n", linectr);
continue;
}
if (new_huts(cp, u))
fprintf(stderr, "Duplicate HUT type spec at line %u terminal type %04x %s\n", linectr, u, cp);
lastlang = lastclass = lastvendor = lastsubclass = -1;
lasthut = u;
DBG(printf("line %5u HUT type %02x %s\n", linectr, u, cp));
continue;
}
if (buf[0] == 'R' && buf[1] == ' ') {
cp = buf + 2;
while (isspace(*cp))
cp++;
if (!isxdigit(*cp)) {
fprintf(stderr, "Invalid Report type at line %u\n", linectr);
continue;
}
u = strtoul(cp, &cp, 16);
while (isspace(*cp))
cp++;
if (!*cp) {
fprintf(stderr, "Invalid Report type at line %u\n", linectr);
continue;
}
if (new_reporttag(cp, u))
fprintf(stderr, "Duplicate Report type spec at line %u terminal type %04x %s\n", linectr, u, cp);
DBG(printf("line %5u Report type %02x %s\n", linectr, u, cp));
continue;
}
if (buf[0] == 'V' && buf[1] == 'T') {
/* add here */
continue;
}
fprintf(stderr, "Unknown line at line %u\n", linectr);
}
}
/* ---------------------------------------------------------------------- */
int names_init(char *n)
{
FILE *f;
if (!(f = fopen(n, "r"))) {
return errno;
}
parse(f);
fclose(f);
return 0;
}
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