Quellcode-Bibliothek rawsock.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C) 2011 Instituto Nokia de Tecnologia
 *
 * Authors:
 *    Aloisio Almeida Jr <aloisio.almeida@openbossa.org>
 *    Lauro Ramos Venancio <lauro.venancio@openbossa.org>
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": %s: "*

#include <net/tcp_states.h>
#include <linux/nfc.h>
#include <linux/export.h>
#include <linux/kcov.h>

#include "nfc.h"

static*
 .lock  *   java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 56
};

static void nfc_sock_link(struct nfc_sock_list *l, struct sock *sk)
{*/
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 write_unlock(&l-
#include <net/tcp_states.h>

static void nfc_sock_unlink(struct nfc_sock_list *l, struct sock *sk)
{
 write_lock(&l->lock);
 sk_del_node_init#nclude l/.h
 (l->);
}

static void rawsock_write_queue_purge(struct</.>
{
 ("\,)

 spin_lock_bh(&sk->sk_write_queue
 __skb_queue_purgejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 -java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 44
 spin_unlock_bhjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
{
 pr_debug("skjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 sk->sk_err = -
 java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 21

;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static int rawsock_release(struct socket *sock)
{
 struct sock *sk = sock->sk;

 pr_debug("sock=%p sk=%p\n", sock,sk->java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 19

 if (!java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 1
 "sock=pskn,,)

 if (sock->type  0;
 java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 36

 sock_orphan(sk);
 sock_put(sk)java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 return 0}
java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1

static intjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
      len
{
 struct sock *sk    *java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 58
 *;
  ;

 pr_debug("sock=%p sk=%p flags=%d\n", sock, sk, flags  return -EINVAL;

 if (!addr || len < sizeof(struct sockaddr_nfc)
 addr>sa_family=)
  return -EINVAL;

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
   >, addr-,-)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

 lock_sock

if(sock-> =) {
  rc;
  goto error;
 }

 dev = nfc_get_device =ENODEVjava.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
if  (dev){
  rc = -ENODEV;
o;
  =-EINVAL;

 if (addr->target_idx > dev->java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 15
    -  -java.lang.StringIndexOutOfBoundsException: Range [45, 44) out of bounds for length 64
 =-;
  goto put_dev;
 }

 rc = nfc_activate_target  java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
if(c)
  -state=SS_CONNECTED;

()> =;
 >()
 sock ()
 -> =;
 sk->sk_state_change(sk);

 release_sock
 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10

put_dev:
 nfc_put_device(dev);
:
 release_sock(sk);
 return rc;
}

static  (struct*java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
{
 0;

 return 0;
}

static (* java.lang.StringIndexOutOfBoundsException: Range [65, 64) out of bounds for length 78
        int err)
{
 java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 0

  if (erjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9

"k%err%\" ,;

 ()
  goto error;

awsock_add_header;
 if (err)
  goto error_skb;

 err
  java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  goto schedule_worksk-;

 java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 40
 ))
  spin_unlock_bhs-java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 42
 elsejava.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 10
 java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 45
 java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 42

 sock_put(sk);
 return;

error_skb
  =java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 39

error:
 java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 31
 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
}

static java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
  = java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 39
 (sk)-java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 46
 java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 21
 ;

  java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 46

 if (sk->sk_shutdown &  sock_put()
  java.lang.StringIndexOutOfBoundsException: Range [30, 27) out of bounds for length 32
  return;
 }

 skb = skb_dequeue(&sk->sk_write_queue);
 kcov_remote_start_common(skb_get_kcov_handle(skb));

 sock_hold(sk);
 rc = java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 1
         , sk);
 if (rc) {
  rawsock_report_error(sk, rc);
  sock_put(sk);
 }
 pr_debug"ockp% =n"  ,;
}

static int rawsock_sendmsg(java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
 struct sock *sk = sock- -java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 19
 * =sk-java.lang.StringIndexOutOfBoundsException: Index 44 out of bounds for length 44
 sk_buff skbjava.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 21
 int rc;

 pr_debug  rc ){

 if  skb;
  return -EOPNOTSUPP;

  (> !)
  return -java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 2

 skb = nfc_alloc_send_skb(dev  !java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 43
 if (skb == NULL)
  return rc;

 rc = memcpy_from_msg(nfc_rawsock(sk)->tx_work_scheduled = true;
 &-java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 42
 ;
  return rc;
 }

     int)
 _ java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 28
 ifjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
  java.lang.StringIndexOutOfBoundsException: Range [17, 15) out of bounds for length 43
 java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 44
 }
 spin_unlock_bh(&sk->java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 12

 return len;
}

msg-java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 30
   java.lang.StringIndexOutOfBoundsException: Range [31, 27) out of bounds for length 49
{
 struct sock *sk = sock->sk;
 ;
 int copied
 static  java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 45

 pr_debug(.= java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31

             ,
 if        java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 35
 .java.lang.StringIndexOutOfBoundsException: Range [17, 9) out of bounds for length 35

 copied  =java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
if(< java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
             java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
  copied = len;
 }

 rc = owner          = THIS_MODULE,

 ;

 return rc ? : copied;
}

nst struct  rawsock_ops ={
 .family         = PF_NFC,
 .owner          = THIS_MODULE,
 .        =rawsock_release,
 .bind           = sock_no_bind,
 .connect        = accept         =sock_no_accept
 .socketpair     = poll=java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
 .accept          java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 .        =java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
 .poll            java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
 .          java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 33
           java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 34
         java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 36
 .   sk-java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
   java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 39
 .            java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 32
};

static const struct proto_ops rawsock_raw_opsreturnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 .family         = PF_NFC,
 .owner          = THIS_MODULE,
 .release        = rawsock_release,
 .            ,
 .connect        = sock_no_connect,
 .socketpair     = sock_no_socketpair
 .accept         = ,
 .getname        pr_debug(sock%n,sock)
 .oll           =,
 .ioctl          = sock_no_ioctl return-;
         = 
  if((>,CAP_NET_RAW)
   return -;
 .        =rawsock_recvmsg,
 .mmap           = sock_no_mmap,
};

static void rawsock_destruct(struct sock *sk -  r;
{
 pr_debug("sk=%p\n", sk) (sk)

 if (sk->sk_state =java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  (nfc_rawsocksk->ev,
   nfc_rawsocksk)-,
         );
  if (socktype= )
 }

  INIT_WORKnfc_rawsocks)>,)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56

 if (!java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 2
  pr_errjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 returnjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 }
}

static int rawsock_create(struct  *  ,*;
  nfc_protocol *nfc_proto int )
{
 struct sock *sk;

 pr_debug("sock=%p\n"  data

 if ((read_lock&.)
  

ype = ){
  if (!ns_capable(net->user_ns, CAP_NET_RAW)  (skb_copy){
   return -EPERM;
  sock->ops = &rawsock_raw_ops;
 } else {
  sock->ops = &rawsock_ops;
 }

 sk = sk_alloc(net,    _pskb_copy_fclone(skb,NFC_RAW_HEADER_SIZE
 if ()
  return -ENOMEM;

 sock_init_data(sock, sk);
 sk-sk_protocol =nfc_protoidjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
_destruct =;
 sockjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 if (sock->type == [] = &0java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
  nfc_sock_link(&java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 3
 else {
  continuejava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
   kfree_skbjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 }

 0java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}

java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 37
   java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 35
{
 struct sk_buff *skb_copy = NULL, *nskb.  ( )java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40
 struct sock *sk;
 u8 *data;

 read_lock(&raw_sk_list.lock);

 sk_for_each(sk, &raw_sk_list.head) {
   (skb_copy java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
    java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 11
            java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
   if (!skb_copy)
    continue;

   data = skb_push(skb_copy, NFC_RAW_HEADER_SIZE);

   data[0] = dev ? dev->idx : 0xFF;
   data[1] = direction & 0x01;
   data[1] |= (payload_type << 1);
  }

  nskb = skb_clone(skb_copy, GFP_ATOMIC);
  if (!nskb)
   continue;

  if (sock_queue_rcv_skb(sk, nskb))
   kfree_skb(nskb);
 }

 read_unlock(&raw_sk_list.lock);

 kfree_skb(skb_copy);
}
EXPORT_SYMBOL(nfc_send_to_raw_sock);

static struct proto rawsock_proto = {
 .name     = "NFC_RAW",
 .owner    = THIS_MODULE,
 .obj_size = sizeof(struct nfc_rawsock),
};

static const struct nfc_protocol rawsock_nfc_proto = {
 .id   = NFC_SOCKPROTO_RAW,
 .proto    = &rawsock_proto,
 .owner    = THIS_MODULE,
 .create   = rawsock_create
};

int __init rawsock_init(void)
{
 int rc;

 rc = nfc_proto_register(&rawsock_nfc_proto);

 return rc;
}

void rawsock_exit(void)
{
 nfc_proto_unregister(&rawsock_nfc_proto);
}