void bio_init_from_txn(struct binder_io *io, struct binder_transaction_data *txn);
#if TRACE
-void hexdump(void *_data, unsigned len)
+void hexdump(void *_data, size_t len)
{
unsigned char *data = _data;
- unsigned count;
+ size_t count;
for (count = 0; count < len; count++) {
if ((count & 15) == 0)
- fprintf(stderr,"%04x:", count);
+ fprintf(stderr,"%04zu:", count);
fprintf(stderr," %02x %c", *data,
(*data < 32) || (*data > 126) ? '.' : *data);
data++;
void binder_dump_txn(struct binder_transaction_data *txn)
{
struct flat_binder_object *obj;
- unsigned *offs = txn->data.ptr.offsets;
- unsigned count = txn->offsets_size / 4;
+ size_t *offs = txn->data.ptr.offsets;
+ size_t count = txn->offsets_size / sizeof(size_t);
fprintf(stderr," target %p cookie %p code %08x flags %08x\n",
txn->target.ptr, txn->cookie, txn->code, txn->flags);
{
int fd;
void *mapped;
- unsigned mapsize;
+ size_t mapsize;
};
-struct binder_state *binder_open(unsigned mapsize)
+struct binder_state *binder_open(size_t mapsize)
{
struct binder_state *bs;
struct binder_version vers;
bs = malloc(sizeof(*bs));
if (!bs) {
errno = ENOMEM;
- return 0;
+ return NULL;
}
bs->fd = open("/dev/binder", O_RDWR);
close(bs->fd);
fail_open:
free(bs);
- return 0;
+ return NULL;
}
void binder_close(struct binder_state *bs)
return ioctl(bs->fd, BINDER_SET_CONTEXT_MGR, 0);
}
-int binder_write(struct binder_state *bs, void *data, unsigned len)
+int binder_write(struct binder_state *bs, void *data, size_t len)
{
struct binder_write_read bwr;
int res;
void binder_send_reply(struct binder_state *bs,
struct binder_io *reply,
- void *buffer_to_free,
+ const void *buffer_to_free,
int status)
{
struct {
bwr.write_size = sizeof(writebuf);
bwr.write_consumed = 0;
bwr.write_buffer = (unsigned) &writebuf;
-
+
hexdump(msg->data0, msg->data - msg->data0);
for (;;) {
bwr.read_size = sizeof(readbuf);
bwr.write_size = 0;
bwr.write_consumed = 0;
bwr.write_buffer = 0;
-
+
readbuf[0] = BC_ENTER_LOOPER;
binder_write(bs, readbuf, sizeof(unsigned));
}
void bio_init(struct binder_io *bio, void *data,
- uint32_t maxdata, uint32_t maxoffs)
+ size_t maxdata, size_t maxoffs)
{
- uint32_t n = maxoffs * sizeof(uint32_t);
+ size_t n = maxoffs * sizeof(size_t);
if (n > maxdata) {
bio->flags = BIO_F_OVERFLOW;
size = (size + 3) & (~3);
if (size > bio->data_avail) {
bio->flags |= BIO_F_OVERFLOW;
- return 0;
+ return NULL;
} else {
void *ptr = bio->data;
bio->data += size;
struct flat_binder_object *obj;
obj = bio_alloc(bio, sizeof(*obj));
-
+
if (obj && bio->offs_avail) {
bio->offs_avail--;
*bio->offs++ = ((char*) obj) - ((char*) bio->data0);
}
bio->flags |= BIO_F_OVERFLOW;
- return 0;
+ return NULL;
}
void bio_put_uint32(struct binder_io *bio, uint32_t n)
void bio_put_string16(struct binder_io *bio, const uint16_t *str)
{
- uint32_t len;
+ size_t len;
uint16_t *ptr;
if (!str) {
return;
}
- bio_put_uint32(bio, len);
+ /* Note: The payload will carry 32bit size instead of size_t */
+ bio_put_uint32(bio, (uint32_t) len);
len = (len + 1) * sizeof(uint16_t);
ptr = bio_alloc(bio, len);
if (ptr)
void bio_put_string16_x(struct binder_io *bio, const char *_str)
{
unsigned char *str = (unsigned char*) _str;
- uint32_t len;
+ size_t len;
uint16_t *ptr;
if (!str) {
return;
}
+ /* Note: The payload will carry 32bit size instead of size_t */
bio_put_uint32(bio, len);
ptr = bio_alloc(bio, (len + 1) * sizeof(uint16_t));
if (!ptr)
*ptr++ = 0;
}
-static void *bio_get(struct binder_io *bio, uint32_t size)
+static void *bio_get(struct binder_io *bio, size_t size)
{
size = (size + 3) & (~3);
if (bio->data_avail < size){
bio->data_avail = 0;
bio->flags |= BIO_F_OVERFLOW;
- return 0;
+ return NULL;
} else {
void *ptr = bio->data;
bio->data += size;
return ptr ? *ptr : 0;
}
-uint16_t *bio_get_string16(struct binder_io *bio, unsigned *sz)
+uint16_t *bio_get_string16(struct binder_io *bio, size_t *sz)
{
- unsigned len;
- len = bio_get_uint32(bio);
+ size_t len;
+
+ /* Note: The payload will carry 32bit size instead of size_t */
+ len = (size_t) bio_get_uint32(bio);
if (sz)
*sz = len;
return bio_get(bio, (len + 1) * sizeof(uint16_t));
static struct flat_binder_object *_bio_get_obj(struct binder_io *bio)
{
- unsigned n;
- unsigned off = bio->data - bio->data0;
+ size_t n;
+ size_t off = bio->data - bio->data0;
/* TODO: be smarter about this? */
for (n = 0; n < bio->offs_avail; n++) {
bio->data_avail = 0;
bio->flags |= BIO_F_OVERFLOW;
- return 0;
+ return NULL;
}
void *bio_get_ref(struct binder_io *bio)
struct binder_io
{
char *data; /* pointer to read/write from */
- uint32_t *offs; /* array of offsets */
- uint32_t data_avail; /* bytes available in data buffer */
- uint32_t offs_avail; /* entries available in offsets array */
+ size_t *offs; /* array of offsets */
+ size_t data_avail; /* bytes available in data buffer */
+ size_t offs_avail; /* entries available in offsets array */
char *data0; /* start of data buffer */
- uint32_t *offs0; /* start of offsets buffer */
+ size_t *offs0; /* start of offsets buffer */
uint32_t flags;
uint32_t unused;
};
struct binder_death {
void (*func)(struct binder_state *bs, void *ptr);
void *ptr;
-};
+};
/* the one magic object */
#define BINDER_SERVICE_MANAGER ((void*) 0)
struct binder_io *msg,
struct binder_io *reply);
-struct binder_state *binder_open(unsigned mapsize);
+struct binder_state *binder_open(size_t mapsize);
void binder_close(struct binder_state *bs);
/* initiate a blocking binder call
* offset entries to reserve from the buffer
*/
void bio_init(struct binder_io *bio, void *data,
- uint32_t maxdata, uint32_t maxobjects);
-
-void bio_destroy(struct binder_io *bio);
+ size_t maxdata, size_t maxobjects);
void bio_put_obj(struct binder_io *bio, void *ptr);
void bio_put_ref(struct binder_io *bio, void *ptr);
void bio_put_string16_x(struct binder_io *bio, const char *_str);
uint32_t bio_get_uint32(struct binder_io *bio);
-uint16_t *bio_get_string16(struct binder_io *bio, uint32_t *sz);
-void *bio_get_obj(struct binder_io *bio);
+uint16_t *bio_get_string16(struct binder_io *bio, size_t *sz);
void *bio_get_ref(struct binder_io *bio);
#endif
* uid can register media.*, etc)
*/
static struct {
- unsigned uid;
+ uid_t uid;
const char *name;
} allowed[] = {
{ AID_MEDIA, "media.audio_flinger" },
void *svcmgr_handle;
-const char *str8(uint16_t *x)
+const char *str8(const uint16_t *x)
{
static char buf[128];
unsigned max = 127;
return buf;
}
-int str16eq(uint16_t *a, const char *b)
+int str16eq(const uint16_t *a, const char *b)
{
while (*a && *b)
if (*a++ != *b++) return 0;
return 1;
}
-int svc_can_register(unsigned uid, uint16_t *name)
+int svc_can_register(uid_t uid, const uint16_t *name)
{
- unsigned n;
-
+ size_t n;
+
if ((uid == 0) || (uid == AID_SYSTEM))
return 1;
return 0;
}
-struct svcinfo
+struct svcinfo
{
struct svcinfo *next;
void *ptr;
struct binder_death death;
int allow_isolated;
- unsigned len;
+ size_t len;
uint16_t name[0];
};
-struct svcinfo *svclist = 0;
+struct svcinfo *svclist = NULL;
-struct svcinfo *find_svc(uint16_t *s16, unsigned len)
+struct svcinfo *find_svc(const uint16_t *s16, size_t len)
{
struct svcinfo *si;
return si;
}
}
- return 0;
+ return NULL;
}
void svcinfo_death(struct binder_state *bs, void *ptr)
{
- struct svcinfo *si = ptr;
+ struct svcinfo *si = (struct svcinfo* ) ptr;
+
ALOGI("service '%s' died\n", str8(si->name));
if (si->ptr) {
binder_release(bs, si->ptr);
si->ptr = 0;
- }
+ }
}
-uint16_t svcmgr_id[] = {
+uint16_t svcmgr_id[] = {
'a','n','d','r','o','i','d','.','o','s','.',
- 'I','S','e','r','v','i','c','e','M','a','n','a','g','e','r'
+ 'I','S','e','r','v','i','c','e','M','a','n','a','g','e','r'
};
-
-void *do_find_service(struct binder_state *bs, uint16_t *s, unsigned len, unsigned uid)
+
+void *do_find_service(struct binder_state *bs, const uint16_t *s, size_t len, uid_t uid)
{
struct svcinfo *si;
si = find_svc(s, len);
if (!si->allow_isolated) {
// If this service doesn't allow access from isolated processes,
// then check the uid to see if it is isolated.
- unsigned appid = uid % AID_USER;
+ uid_t appid = uid % AID_USER;
if (appid >= AID_ISOLATED_START && appid <= AID_ISOLATED_END) {
return 0;
}
}
int do_add_service(struct binder_state *bs,
- uint16_t *s, unsigned len,
- void *ptr, unsigned uid, int allow_isolated)
+ const uint16_t *s, size_t len,
+ void *ptr, uid_t uid, int allow_isolated)
{
struct svcinfo *si;
//ALOGI("add_service('%s',%p,%s) uid=%d\n", str8(s), ptr,
si->len = len;
memcpy(si->name, s, (len + 1) * sizeof(uint16_t));
si->name[len] = '\0';
- si->death.func = svcinfo_death;
+ si->death.func = (void*) svcinfo_death;
si->death.ptr = si;
si->allow_isolated = allow_isolated;
si->next = svclist;
{
struct svcinfo *si;
uint16_t *s;
- unsigned len;
+ size_t len;
void *ptr;
uint32_t strict_policy;
int allow_isolated;
int main(int argc, char **argv)
{
struct binder_state *bs;
- void *svcmgr = BINDER_SERVICE_MANAGER;
bs = binder_open(128*1024);
if (!bs) {
return -1;
}
- svcmgr_handle = svcmgr;
+ svcmgr_handle = BINDER_SERVICE_MANAGER;
binder_loop(bs, svcmgr_handler);
+
return 0;
}
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