af_unix.c (57cad8084e0837e0f2c97da789ec9b3f36809be9) af_unix.c (dc49c1f94e3469d94b952e8f5160dd4ccd791d79)
1/*
2 * NET4: Implementation of BSD Unix domain sockets.
3 *
4 * Authors: Alan Cox, <alan.cox@linux.org>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

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123DEFINE_SPINLOCK(unix_table_lock);
124static atomic_t unix_nr_socks = ATOMIC_INIT(0);
125
126#define unix_sockets_unbound (&unix_socket_table[UNIX_HASH_SIZE])
127
128#define UNIX_ABSTRACT(sk) (unix_sk(sk)->addr->hash != UNIX_HASH_SIZE)
129
130#ifdef CONFIG_SECURITY_NETWORK
1/*
2 * NET4: Implementation of BSD Unix domain sockets.
3 *
4 * Authors: Alan Cox, <alan.cox@linux.org>
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version

--- 114 unchanged lines hidden (view full) ---

123DEFINE_SPINLOCK(unix_table_lock);
124static atomic_t unix_nr_socks = ATOMIC_INIT(0);
125
126#define unix_sockets_unbound (&unix_socket_table[UNIX_HASH_SIZE])
127
128#define UNIX_ABSTRACT(sk) (unix_sk(sk)->addr->hash != UNIX_HASH_SIZE)
129
130#ifdef CONFIG_SECURITY_NETWORK
131static void unix_get_peersec_dgram(struct sk_buff *skb)
131static void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)
132{
132{
133 int err;
134
135 err = security_socket_getpeersec_dgram(skb, UNIXSECDATA(skb),
136 UNIXSECLEN(skb));
137 if (err)
138 *(UNIXSECDATA(skb)) = NULL;
133 memcpy(UNIXSID(skb), &scm->secid, sizeof(u32));
139}
140
141static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)
142{
134}
135
136static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)
137{
143 scm->secdata = *UNIXSECDATA(skb);
144 scm->seclen = *UNIXSECLEN(skb);
138 scm->secid = *UNIXSID(skb);
145}
146#else
139}
140#else
147static inline void unix_get_peersec_dgram(struct sk_buff *skb)
141static inline void unix_get_secdata(struct scm_cookie *scm, struct sk_buff *skb)
148{ }
149
150static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)
151{ }
152#endif /* CONFIG_SECURITY_NETWORK */
153
154/*
155 * SMP locking strategy:

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1317
1318 skb = sock_alloc_send_skb(sk, len, msg->msg_flags&MSG_DONTWAIT, &err);
1319 if (skb==NULL)
1320 goto out;
1321
1322 memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
1323 if (siocb->scm->fp)
1324 unix_attach_fds(siocb->scm, skb);
142{ }
143
144static inline void unix_set_secdata(struct scm_cookie *scm, struct sk_buff *skb)
145{ }
146#endif /* CONFIG_SECURITY_NETWORK */
147
148/*
149 * SMP locking strategy:

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1311
1312 skb = sock_alloc_send_skb(sk, len, msg->msg_flags&MSG_DONTWAIT, &err);
1313 if (skb==NULL)
1314 goto out;
1315
1316 memcpy(UNIXCREDS(skb), &siocb->scm->creds, sizeof(struct ucred));
1317 if (siocb->scm->fp)
1318 unix_attach_fds(siocb->scm, skb);
1319 unix_get_secdata(siocb->scm, skb);
1325
1320
1326 unix_get_peersec_dgram(skb);
1327
1328 skb->h.raw = skb->data;
1329 err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
1330 if (err)
1331 goto out_free;
1332
1333 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
1334
1335restart:

--- 768 unchanged lines hidden --- 		1321 skb->h.raw = skb->data;
1322 err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
1323 if (err)
1324 goto out_free;
1325
1326 timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
1327
1328restart:

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