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-rw-r--r--net/atm/addr.c51
-rw-r--r--net/atm/addr.h12
-rw-r--r--net/atm/br2684.c2
-rw-r--r--net/atm/resources.c20
-rw-r--r--net/sctp/socket.c252
5 files changed, 288 insertions, 49 deletions
diff --git a/net/atm/addr.c b/net/atm/addr.c
index a30d0bf4806..3060fd0ba4b 100644
--- a/net/atm/addr.c
+++ b/net/atm/addr.c
@@ -44,31 +44,43 @@ static void notify_sigd(struct atm_dev *dev)
44 sigd_enq(NULL, as_itf_notify, NULL, &pvc, NULL); 44 sigd_enq(NULL, as_itf_notify, NULL, &pvc, NULL);
45} 45}
46 46
47void atm_reset_addr(struct atm_dev *dev) 47void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t atype)
48{ 48{
49 unsigned long flags; 49 unsigned long flags;
50 struct atm_dev_addr *this, *p; 50 struct atm_dev_addr *this, *p;
51 struct list_head *head;
51 52
52 spin_lock_irqsave(&dev->lock, flags); 53 spin_lock_irqsave(&dev->lock, flags);
53 list_for_each_entry_safe(this, p, &dev->local, entry) { 54 if (atype == ATM_ADDR_LECS)
55 head = &dev->lecs;
56 else
57 head = &dev->local;
58 list_for_each_entry_safe(this, p, head, entry) {
54 list_del(&this->entry); 59 list_del(&this->entry);
55 kfree(this); 60 kfree(this);
56 } 61 }
57 spin_unlock_irqrestore(&dev->lock, flags); 62 spin_unlock_irqrestore(&dev->lock, flags);
58 notify_sigd(dev); 63 if (head == &dev->local)
64 notify_sigd(dev);
59} 65}
60 66
61int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr) 67int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
68 enum atm_addr_type_t atype)
62{ 69{
63 unsigned long flags; 70 unsigned long flags;
64 struct atm_dev_addr *this; 71 struct atm_dev_addr *this;
72 struct list_head *head;
65 int error; 73 int error;
66 74
67 error = check_addr(addr); 75 error = check_addr(addr);
68 if (error) 76 if (error)
69 return error; 77 return error;
70 spin_lock_irqsave(&dev->lock, flags); 78 spin_lock_irqsave(&dev->lock, flags);
71 list_for_each_entry(this, &dev->local, entry) { 79 if (atype == ATM_ADDR_LECS)
80 head = &dev->lecs;
81 else
82 head = &dev->local;
83 list_for_each_entry(this, head, entry) {
72 if (identical(&this->addr, addr)) { 84 if (identical(&this->addr, addr)) {
73 spin_unlock_irqrestore(&dev->lock, flags); 85 spin_unlock_irqrestore(&dev->lock, flags);
74 return -EEXIST; 86 return -EEXIST;
@@ -80,28 +92,36 @@ int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
80 return -ENOMEM; 92 return -ENOMEM;
81 } 93 }
82 this->addr = *addr; 94 this->addr = *addr;
83 list_add(&this->entry, &dev->local); 95 list_add(&this->entry, head);
84 spin_unlock_irqrestore(&dev->lock, flags); 96 spin_unlock_irqrestore(&dev->lock, flags);
85 notify_sigd(dev); 97 if (head == &dev->local)
98 notify_sigd(dev);
86 return 0; 99 return 0;
87} 100}
88 101
89int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr) 102int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
103 enum atm_addr_type_t atype)
90{ 104{
91 unsigned long flags; 105 unsigned long flags;
92 struct atm_dev_addr *this; 106 struct atm_dev_addr *this;
107 struct list_head *head;
93 int error; 108 int error;
94 109
95 error = check_addr(addr); 110 error = check_addr(addr);
96 if (error) 111 if (error)
97 return error; 112 return error;
98 spin_lock_irqsave(&dev->lock, flags); 113 spin_lock_irqsave(&dev->lock, flags);
99 list_for_each_entry(this, &dev->local, entry) { 114 if (atype == ATM_ADDR_LECS)
115 head = &dev->lecs;
116 else
117 head = &dev->local;
118 list_for_each_entry(this, head, entry) {
100 if (identical(&this->addr, addr)) { 119 if (identical(&this->addr, addr)) {
101 list_del(&this->entry); 120 list_del(&this->entry);
102 spin_unlock_irqrestore(&dev->lock, flags); 121 spin_unlock_irqrestore(&dev->lock, flags);
103 kfree(this); 122 kfree(this);
104 notify_sigd(dev); 123 if (head == &dev->local)
124 notify_sigd(dev);
105 return 0; 125 return 0;
106 } 126 }
107 } 127 }
@@ -110,22 +130,27 @@ int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr)
110} 130}
111 131
112int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user * buf, 132int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user * buf,
113 size_t size) 133 size_t size, enum atm_addr_type_t atype)
114{ 134{
115 unsigned long flags; 135 unsigned long flags;
116 struct atm_dev_addr *this; 136 struct atm_dev_addr *this;
137 struct list_head *head;
117 int total = 0, error; 138 int total = 0, error;
118 struct sockaddr_atmsvc *tmp_buf, *tmp_bufp; 139 struct sockaddr_atmsvc *tmp_buf, *tmp_bufp;
119 140
120 spin_lock_irqsave(&dev->lock, flags); 141 spin_lock_irqsave(&dev->lock, flags);
121 list_for_each_entry(this, &dev->local, entry) 142 if (atype == ATM_ADDR_LECS)
143 head = &dev->lecs;
144 else
145 head = &dev->local;
146 list_for_each_entry(this, head, entry)
122 total += sizeof(struct sockaddr_atmsvc); 147 total += sizeof(struct sockaddr_atmsvc);
123 tmp_buf = tmp_bufp = kmalloc(total, GFP_ATOMIC); 148 tmp_buf = tmp_bufp = kmalloc(total, GFP_ATOMIC);
124 if (!tmp_buf) { 149 if (!tmp_buf) {
125 spin_unlock_irqrestore(&dev->lock, flags); 150 spin_unlock_irqrestore(&dev->lock, flags);
126 return -ENOMEM; 151 return -ENOMEM;
127 } 152 }
128 list_for_each_entry(this, &dev->local, entry) 153 list_for_each_entry(this, head, entry)
129 memcpy(tmp_bufp++, &this->addr, sizeof(struct sockaddr_atmsvc)); 154 memcpy(tmp_bufp++, &this->addr, sizeof(struct sockaddr_atmsvc));
130 spin_unlock_irqrestore(&dev->lock, flags); 155 spin_unlock_irqrestore(&dev->lock, flags);
131 error = total > size ? -E2BIG : total; 156 error = total > size ? -E2BIG : total;
diff --git a/net/atm/addr.h b/net/atm/addr.h
index 3099d21feea..f39433ad45d 100644
--- a/net/atm/addr.h
+++ b/net/atm/addr.h
@@ -9,10 +9,12 @@
9#include <linux/atm.h> 9#include <linux/atm.h>
10#include <linux/atmdev.h> 10#include <linux/atmdev.h>
11 11
12 12void atm_reset_addr(struct atm_dev *dev, enum atm_addr_type_t type);
13void atm_reset_addr(struct atm_dev *dev); 13int atm_add_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
14int atm_add_addr(struct atm_dev *dev,struct sockaddr_atmsvc *addr); 14 enum atm_addr_type_t type);
15int atm_del_addr(struct atm_dev *dev,struct sockaddr_atmsvc *addr); 15int atm_del_addr(struct atm_dev *dev, struct sockaddr_atmsvc *addr,
16int atm_get_addr(struct atm_dev *dev,struct sockaddr_atmsvc __user *buf,size_t size); 16 enum atm_addr_type_t type);
17int atm_get_addr(struct atm_dev *dev, struct sockaddr_atmsvc __user *buf,
18 size_t size, enum atm_addr_type_t type);
17 19
18#endif 20#endif
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 289956c4dd3..72f3f7b8de8 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -220,7 +220,7 @@ static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
220 /* netif_stop_queue(dev); */ 220 /* netif_stop_queue(dev); */
221 dev_kfree_skb(skb); 221 dev_kfree_skb(skb);
222 read_unlock(&devs_lock); 222 read_unlock(&devs_lock);
223 return -EUNATCH; 223 return 0;
224 } 224 }
225 if (!br2684_xmit_vcc(skb, brdev, brvcc)) { 225 if (!br2684_xmit_vcc(skb, brdev, brvcc)) {
226 /* 226 /*
diff --git a/net/atm/resources.c b/net/atm/resources.c
index a57a9268bd2..415d2615d47 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -40,6 +40,7 @@ static struct atm_dev *__alloc_atm_dev(const char *type)
40 dev->link_rate = ATM_OC3_PCR; 40 dev->link_rate = ATM_OC3_PCR;
41 spin_lock_init(&dev->lock); 41 spin_lock_init(&dev->lock);
42 INIT_LIST_HEAD(&dev->local); 42 INIT_LIST_HEAD(&dev->local);
43 INIT_LIST_HEAD(&dev->lecs);
43 44
44 return dev; 45 return dev;
45} 46}
@@ -320,10 +321,12 @@ int atm_dev_ioctl(unsigned int cmd, void __user *arg)
320 error = -EPERM; 321 error = -EPERM;
321 goto done; 322 goto done;
322 } 323 }
323 atm_reset_addr(dev); 324 atm_reset_addr(dev, ATM_ADDR_LOCAL);
324 break; 325 break;
325 case ATM_ADDADDR: 326 case ATM_ADDADDR:
326 case ATM_DELADDR: 327 case ATM_DELADDR:
328 case ATM_ADDLECSADDR:
329 case ATM_DELLECSADDR:
327 if (!capable(CAP_NET_ADMIN)) { 330 if (!capable(CAP_NET_ADMIN)) {
328 error = -EPERM; 331 error = -EPERM;
329 goto done; 332 goto done;
@@ -335,14 +338,21 @@ int atm_dev_ioctl(unsigned int cmd, void __user *arg)
335 error = -EFAULT; 338 error = -EFAULT;
336 goto done; 339 goto done;
337 } 340 }
338 if (cmd == ATM_ADDADDR) 341 if (cmd == ATM_ADDADDR || cmd == ATM_ADDLECSADDR)
339 error = atm_add_addr(dev, &addr); 342 error = atm_add_addr(dev, &addr,
343 (cmd == ATM_ADDADDR ?
344 ATM_ADDR_LOCAL : ATM_ADDR_LECS));
340 else 345 else
341 error = atm_del_addr(dev, &addr); 346 error = atm_del_addr(dev, &addr,
347 (cmd == ATM_DELADDR ?
348 ATM_ADDR_LOCAL : ATM_ADDR_LECS));
342 goto done; 349 goto done;
343 } 350 }
344 case ATM_GETADDR: 351 case ATM_GETADDR:
345 error = atm_get_addr(dev, buf, len); 352 case ATM_GETLECSADDR:
353 error = atm_get_addr(dev, buf, len,
354 (cmd == ATM_GETADDR ?
355 ATM_ADDR_LOCAL : ATM_ADDR_LECS));
346 if (error < 0) 356 if (error < 0)
347 goto done; 357 goto done;
348 size = error; 358 size = error;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 91ec8c93691..02e068d3450 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3159,8 +3159,9 @@ static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval
3159 return 0; 3159 return 0;
3160} 3160}
3161 3161
3162static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len, 3162static int sctp_getsockopt_peer_addrs_num_old(struct sock *sk, int len,
3163 char __user *optval, int __user *optlen) 3163 char __user *optval,
3164 int __user *optlen)
3164{ 3165{
3165 sctp_assoc_t id; 3166 sctp_assoc_t id;
3166 struct sctp_association *asoc; 3167 struct sctp_association *asoc;
@@ -3185,23 +3186,28 @@ static int sctp_getsockopt_peer_addrs_num(struct sock *sk, int len,
3185 return cnt; 3186 return cnt;
3186} 3187}
3187 3188
3188static int sctp_getsockopt_peer_addrs(struct sock *sk, int len, 3189/*
3189 char __user *optval, int __user *optlen) 3190 * Old API for getting list of peer addresses. Does not work for 32-bit
3191 * programs running on a 64-bit kernel
3192 */
3193static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len,
3194 char __user *optval,
3195 int __user *optlen)
3190{ 3196{
3191 struct sctp_association *asoc; 3197 struct sctp_association *asoc;
3192 struct list_head *pos; 3198 struct list_head *pos;
3193 int cnt = 0; 3199 int cnt = 0;
3194 struct sctp_getaddrs getaddrs; 3200 struct sctp_getaddrs_old getaddrs;
3195 struct sctp_transport *from; 3201 struct sctp_transport *from;
3196 void __user *to; 3202 void __user *to;
3197 union sctp_addr temp; 3203 union sctp_addr temp;
3198 struct sctp_sock *sp = sctp_sk(sk); 3204 struct sctp_sock *sp = sctp_sk(sk);
3199 int addrlen; 3205 int addrlen;
3200 3206
3201 if (len != sizeof(struct sctp_getaddrs)) 3207 if (len != sizeof(struct sctp_getaddrs_old))
3202 return -EINVAL; 3208 return -EINVAL;
3203 3209
3204 if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs))) 3210 if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs_old)))
3205 return -EFAULT; 3211 return -EFAULT;
3206 3212
3207 if (getaddrs.addr_num <= 0) return -EINVAL; 3213 if (getaddrs.addr_num <= 0) return -EINVAL;
@@ -3225,15 +3231,69 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
3225 if (cnt >= getaddrs.addr_num) break; 3231 if (cnt >= getaddrs.addr_num) break;
3226 } 3232 }
3227 getaddrs.addr_num = cnt; 3233 getaddrs.addr_num = cnt;
3228 if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs))) 3234 if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs_old)))
3235 return -EFAULT;
3236
3237 return 0;
3238}
3239
3240static int sctp_getsockopt_peer_addrs(struct sock *sk, int len,
3241 char __user *optval, int __user *optlen)
3242{
3243 struct sctp_association *asoc;
3244 struct list_head *pos;
3245 int cnt = 0;
3246 struct sctp_getaddrs getaddrs;
3247 struct sctp_transport *from;
3248 void __user *to;
3249 union sctp_addr temp;
3250 struct sctp_sock *sp = sctp_sk(sk);
3251 int addrlen;
3252 size_t space_left;
3253 int bytes_copied;
3254
3255 if (len < sizeof(struct sctp_getaddrs))
3256 return -EINVAL;
3257
3258 if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
3259 return -EFAULT;
3260
3261 /* For UDP-style sockets, id specifies the association to query. */
3262 asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
3263 if (!asoc)
3264 return -EINVAL;
3265
3266 to = optval + offsetof(struct sctp_getaddrs,addrs);
3267 space_left = len - sizeof(struct sctp_getaddrs) -
3268 offsetof(struct sctp_getaddrs,addrs);
3269
3270 list_for_each(pos, &asoc->peer.transport_addr_list) {
3271 from = list_entry(pos, struct sctp_transport, transports);
3272 memcpy(&temp, &from->ipaddr, sizeof(temp));
3273 sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
3274 addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len;
3275 if(space_left < addrlen)
3276 return -ENOMEM;
3277 temp.v4.sin_port = htons(temp.v4.sin_port);
3278 if (copy_to_user(to, &temp, addrlen))
3279 return -EFAULT;
3280 to += addrlen;
3281 cnt++;
3282 space_left -= addrlen;
3283 }
3284
3285 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
3286 return -EFAULT;
3287 bytes_copied = ((char __user *)to) - optval;
3288 if (put_user(bytes_copied, optlen))
3229 return -EFAULT; 3289 return -EFAULT;
3230 3290
3231 return 0; 3291 return 0;
3232} 3292}
3233 3293
3234static int sctp_getsockopt_local_addrs_num(struct sock *sk, int len, 3294static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len,
3235 char __user *optval, 3295 char __user *optval,
3236 int __user *optlen) 3296 int __user *optlen)
3237{ 3297{
3238 sctp_assoc_t id; 3298 sctp_assoc_t id;
3239 struct sctp_bind_addr *bp; 3299 struct sctp_bind_addr *bp;
@@ -3306,8 +3366,8 @@ done:
3306/* Helper function that copies local addresses to user and returns the number 3366/* Helper function that copies local addresses to user and returns the number
3307 * of addresses copied. 3367 * of addresses copied.
3308 */ 3368 */
3309static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, int max_addrs, 3369static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_addrs,
3310 void __user *to) 3370 void __user *to)
3311{ 3371{
3312 struct list_head *pos; 3372 struct list_head *pos;
3313 struct sctp_sockaddr_entry *addr; 3373 struct sctp_sockaddr_entry *addr;
@@ -3341,14 +3401,54 @@ static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, int max_addrs,
3341 return cnt; 3401 return cnt;
3342} 3402}
3343 3403
3344static int sctp_getsockopt_local_addrs(struct sock *sk, int len, 3404static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port,
3345 char __user *optval, int __user *optlen) 3405 void * __user *to, size_t space_left)
3406{
3407 struct list_head *pos;
3408 struct sctp_sockaddr_entry *addr;
3409 unsigned long flags;
3410 union sctp_addr temp;
3411 int cnt = 0;
3412 int addrlen;
3413
3414 sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags);
3415 list_for_each(pos, &sctp_local_addr_list) {
3416 addr = list_entry(pos, struct sctp_sockaddr_entry, list);
3417 if ((PF_INET == sk->sk_family) &&
3418 (AF_INET6 == addr->a.sa.sa_family))
3419 continue;
3420 memcpy(&temp, &addr->a, sizeof(temp));
3421 sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk),
3422 &temp);
3423 addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
3424 if(space_left<addrlen)
3425 return -ENOMEM;
3426 temp.v4.sin_port = htons(port);
3427 if (copy_to_user(*to, &temp, addrlen)) {
3428 sctp_spin_unlock_irqrestore(&sctp_local_addr_lock,
3429 flags);
3430 return -EFAULT;
3431 }
3432 *to += addrlen;
3433 cnt ++;
3434 space_left -= addrlen;
3435 }
3436 sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags);
3437
3438 return cnt;
3439}
3440
3441/* Old API for getting list of local addresses. Does not work for 32-bit
3442 * programs running on a 64-bit kernel
3443 */
3444static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len,
3445 char __user *optval, int __user *optlen)
3346{ 3446{
3347 struct sctp_bind_addr *bp; 3447 struct sctp_bind_addr *bp;
3348 struct sctp_association *asoc; 3448 struct sctp_association *asoc;
3349 struct list_head *pos; 3449 struct list_head *pos;
3350 int cnt = 0; 3450 int cnt = 0;
3351 struct sctp_getaddrs getaddrs; 3451 struct sctp_getaddrs_old getaddrs;
3352 struct sctp_sockaddr_entry *addr; 3452 struct sctp_sockaddr_entry *addr;
3353 void __user *to; 3453 void __user *to;
3354 union sctp_addr temp; 3454 union sctp_addr temp;
@@ -3357,10 +3457,10 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
3357 rwlock_t *addr_lock; 3457 rwlock_t *addr_lock;
3358 int err = 0; 3458 int err = 0;
3359 3459
3360 if (len != sizeof(struct sctp_getaddrs)) 3460 if (len != sizeof(struct sctp_getaddrs_old))
3361 return -EINVAL; 3461 return -EINVAL;
3362 3462
3363 if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs))) 3463 if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs_old)))
3364 return -EFAULT; 3464 return -EFAULT;
3365 3465
3366 if (getaddrs.addr_num <= 0) return -EINVAL; 3466 if (getaddrs.addr_num <= 0) return -EINVAL;
@@ -3392,8 +3492,9 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
3392 addr = list_entry(bp->address_list.next, 3492 addr = list_entry(bp->address_list.next,
3393 struct sctp_sockaddr_entry, list); 3493 struct sctp_sockaddr_entry, list);
3394 if (sctp_is_any(&addr->a)) { 3494 if (sctp_is_any(&addr->a)) {
3395 cnt = sctp_copy_laddrs_to_user(sk, bp->port, 3495 cnt = sctp_copy_laddrs_to_user_old(sk, bp->port,
3396 getaddrs.addr_num, to); 3496 getaddrs.addr_num,
3497 to);
3397 if (cnt < 0) { 3498 if (cnt < 0) {
3398 err = cnt; 3499 err = cnt;
3399 goto unlock; 3500 goto unlock;
@@ -3419,7 +3520,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
3419 3520
3420copy_getaddrs: 3521copy_getaddrs:
3421 getaddrs.addr_num = cnt; 3522 getaddrs.addr_num = cnt;
3422 if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs))) 3523 if (copy_to_user(optval, &getaddrs, sizeof(struct sctp_getaddrs_old)))
3423 err = -EFAULT; 3524 err = -EFAULT;
3424 3525
3425unlock: 3526unlock:
@@ -3427,6 +3528,99 @@ unlock:
3427 return err; 3528 return err;
3428} 3529}
3429 3530
3531static int sctp_getsockopt_local_addrs(struct sock *sk, int len,
3532 char __user *optval, int __user *optlen)
3533{
3534 struct sctp_bind_addr *bp;
3535 struct sctp_association *asoc;
3536 struct list_head *pos;
3537 int cnt = 0;
3538 struct sctp_getaddrs getaddrs;
3539 struct sctp_sockaddr_entry *addr;
3540 void __user *to;
3541 union sctp_addr temp;
3542 struct sctp_sock *sp = sctp_sk(sk);
3543 int addrlen;
3544 rwlock_t *addr_lock;
3545 int err = 0;
3546 size_t space_left;
3547 int bytes_copied;
3548
3549 if (len <= sizeof(struct sctp_getaddrs))
3550 return -EINVAL;
3551
3552 if (copy_from_user(&getaddrs, optval, sizeof(struct sctp_getaddrs)))
3553 return -EFAULT;
3554
3555 /*
3556 * For UDP-style sockets, id specifies the association to query.
3557 * If the id field is set to the value '0' then the locally bound
3558 * addresses are returned without regard to any particular
3559 * association.
3560 */
3561 if (0 == getaddrs.assoc_id) {
3562 bp = &sctp_sk(sk)->ep->base.bind_addr;
3563 addr_lock = &sctp_sk(sk)->ep->base.addr_lock;
3564 } else {
3565 asoc = sctp_id2assoc(sk, getaddrs.assoc_id);
3566 if (!asoc)
3567 return -EINVAL;
3568 bp = &asoc->base.bind_addr;
3569 addr_lock = &asoc->base.addr_lock;
3570 }
3571
3572 to = optval + offsetof(struct sctp_getaddrs,addrs);
3573 space_left = len - sizeof(struct sctp_getaddrs) -
3574 offsetof(struct sctp_getaddrs,addrs);
3575
3576 sctp_read_lock(addr_lock);
3577
3578 /* If the endpoint is bound to 0.0.0.0 or ::0, get the valid
3579 * addresses from the global local address list.
3580 */
3581 if (sctp_list_single_entry(&bp->address_list)) {
3582 addr = list_entry(bp->address_list.next,
3583 struct sctp_sockaddr_entry, list);
3584 if (sctp_is_any(&addr->a)) {
3585 cnt = sctp_copy_laddrs_to_user(sk, bp->port,
3586 &to, space_left);
3587 if (cnt < 0) {
3588 err = cnt;
3589 goto unlock;
3590 }
3591 goto copy_getaddrs;
3592 }
3593 }
3594
3595 list_for_each(pos, &bp->address_list) {
3596 addr = list_entry(pos, struct sctp_sockaddr_entry, list);
3597 memcpy(&temp, &addr->a, sizeof(temp));
3598 sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp);
3599 addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len;
3600 if(space_left < addrlen)
3601 return -ENOMEM; /*fixme: right error?*/
3602 temp.v4.sin_port = htons(temp.v4.sin_port);
3603 if (copy_to_user(to, &temp, addrlen)) {
3604 err = -EFAULT;
3605 goto unlock;
3606 }
3607 to += addrlen;
3608 cnt ++;
3609 space_left -= addrlen;
3610 }
3611
3612copy_getaddrs:
3613 if (put_user(cnt, &((struct sctp_getaddrs __user *)optval)->addr_num))
3614 return -EFAULT;
3615 bytes_copied = ((char __user *)to) - optval;
3616 if (put_user(bytes_copied, optlen))
3617 return -EFAULT;
3618
3619unlock:
3620 sctp_read_unlock(addr_lock);
3621 return err;
3622}
3623
3430/* 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR) 3624/* 7.1.10 Set Primary Address (SCTP_PRIMARY_ADDR)
3431 * 3625 *
3432 * Requests that the local SCTP stack use the enclosed peer address as 3626 * Requests that the local SCTP stack use the enclosed peer address as
@@ -3807,12 +4001,20 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
3807 case SCTP_INITMSG: 4001 case SCTP_INITMSG:
3808 retval = sctp_getsockopt_initmsg(sk, len, optval, optlen); 4002 retval = sctp_getsockopt_initmsg(sk, len, optval, optlen);
3809 break; 4003 break;
3810 case SCTP_GET_PEER_ADDRS_NUM: 4004 case SCTP_GET_PEER_ADDRS_NUM_OLD:
3811 retval = sctp_getsockopt_peer_addrs_num(sk, len, optval, 4005 retval = sctp_getsockopt_peer_addrs_num_old(sk, len, optval,
4006 optlen);
4007 break;
4008 case SCTP_GET_LOCAL_ADDRS_NUM_OLD:
4009 retval = sctp_getsockopt_local_addrs_num_old(sk, len, optval,
4010 optlen);
4011 break;
4012 case SCTP_GET_PEER_ADDRS_OLD:
4013 retval = sctp_getsockopt_peer_addrs_old(sk, len, optval,
3812 optlen); 4014 optlen);
3813 break; 4015 break;
3814 case SCTP_GET_LOCAL_ADDRS_NUM: 4016 case SCTP_GET_LOCAL_ADDRS_OLD:
3815 retval = sctp_getsockopt_local_addrs_num(sk, len, optval, 4017 retval = sctp_getsockopt_local_addrs_old(sk, len, optval,
3816 optlen); 4018 optlen);
3817 break; 4019 break;
3818 case SCTP_GET_PEER_ADDRS: 4020 case SCTP_GET_PEER_ADDRS:
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-23 19:31:57 -0400