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net/ipv6/ipv6_sockglue.c
27.2 KB
1da177e4c Linux-2.6.12-rc2 |
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/* * IPv6 BSD socket options interface |
1ab1457c4 [NET] IPV6: Fix w... |
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* Linux INET6 implementation |
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* * Authors: |
1ab1457c4 [NET] IPV6: Fix w... |
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* Pedro Roque <roque@di.fc.ul.pt> |
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* * Based on linux/net/ipv4/ip_sockglue.c * |
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* 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. * * FIXME: Make the setsockopt code POSIX compliant: That is * |
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* o Truncate getsockopt returns * o Return an optlen of the truncated length if need be * * Changes: * David L Stevens <dlstevens@us.ibm.com>: * - added multicast source filtering API for MLDv2 */ #include <linux/module.h> |
4fc268d24 [PATCH] capable/c... |
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#include <linux/capability.h> |
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#include <linux/errno.h> #include <linux/types.h> #include <linux/socket.h> #include <linux/sockios.h> |
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#include <linux/net.h> #include <linux/in6.h> |
7bc570c8b [IPV6] MROUTE: Su... |
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#include <linux/mroute6.h> |
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#include <linux/netdevice.h> #include <linux/if_arp.h> #include <linux/init.h> #include <linux/sysctl.h> #include <linux/netfilter.h> |
5a0e3ad6a include cleanup: ... |
39 |
#include <linux/slab.h> |
1da177e4c Linux-2.6.12-rc2 |
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#include <net/sock.h> #include <net/snmp.h> #include <net/ipv6.h> #include <net/ndisc.h> #include <net/protocol.h> #include <net/transp_v6.h> #include <net/ip6_route.h> #include <net/addrconf.h> #include <net/inet_common.h> #include <net/tcp.h> #include <net/udp.h> |
ba4e58eca [NET]: Supporting... |
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#include <net/udplite.h> |
1da177e4c Linux-2.6.12-rc2 |
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#include <net/xfrm.h> |
dae502954 ipv4/ipv6 compat:... |
54 |
#include <net/compat.h> |
1da177e4c Linux-2.6.12-rc2 |
55 56 |
#include <asm/uaccess.h> |
1da177e4c Linux-2.6.12-rc2 |
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struct ip6_ra_chain *ip6_ra_chain; DEFINE_RWLOCK(ip6_ra_lock); |
725a8ff04 ipv6: remove unus... |
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int ip6_ra_control(struct sock *sk, int sel) |
1da177e4c Linux-2.6.12-rc2 |
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{ struct ip6_ra_chain *ra, *new_ra, **rap; /* RA packet may be delivered ONLY to IPPROTO_RAW socket */ |
c720c7e83 inet: rename some... |
64 |
if (sk->sk_type != SOCK_RAW || inet_sk(sk)->inet_num != IPPROTO_RAW) |
1717699cd ipv6: Fail with a... |
65 |
return -ENOPROTOOPT; |
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new_ra = (sel>=0) ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL; write_lock_bh(&ip6_ra_lock); for (rap = &ip6_ra_chain; (ra=*rap) != NULL; rap = &ra->next) { if (ra->sk == sk) { if (sel>=0) { write_unlock_bh(&ip6_ra_lock); |
a51482bde [NET]: kfree cleanup |
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kfree(new_ra); |
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return -EADDRINUSE; } *rap = ra->next; write_unlock_bh(&ip6_ra_lock); |
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sock_put(sk); kfree(ra); return 0; } } if (new_ra == NULL) { write_unlock_bh(&ip6_ra_lock); return -ENOBUFS; } new_ra->sk = sk; new_ra->sel = sel; |
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new_ra->next = ra; *rap = new_ra; sock_hold(sk); write_unlock_bh(&ip6_ra_lock); return 0; } |
e7712f1a7 [IPV6]: Share com... |
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static struct ipv6_txoptions *ipv6_update_options(struct sock *sk, struct ipv6_txoptions *opt) { if (inet_sk(sk)->is_icsk) { if (opt && !((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) && |
c720c7e83 inet: rename some... |
104 |
inet_sk(sk)->inet_daddr != LOOPBACK4_IPV6) { |
e7712f1a7 [IPV6]: Share com... |
105 106 107 108 109 110 |
struct inet_connection_sock *icsk = inet_csk(sk); icsk->icsk_ext_hdr_len = opt->opt_flen + opt->opt_nflen; icsk->icsk_sync_mss(sk, icsk->icsk_pmtu_cookie); } opt = xchg(&inet6_sk(sk)->opt, opt); } else { |
b6c6712a4 net: sk_dst_cache... |
111 |
spin_lock(&sk->sk_dst_lock); |
e7712f1a7 [IPV6]: Share com... |
112 |
opt = xchg(&inet6_sk(sk)->opt, opt); |
b6c6712a4 net: sk_dst_cache... |
113 |
spin_unlock(&sk->sk_dst_lock); |
e7712f1a7 [IPV6]: Share com... |
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} sk_dst_reset(sk); return opt; } |
3fdadf7d2 [NET]: {get|set}s... |
119 |
static int do_ipv6_setsockopt(struct sock *sk, int level, int optname, |
b7058842c net: Make setsock... |
120 |
char __user *optval, unsigned int optlen) |
1da177e4c Linux-2.6.12-rc2 |
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{ struct ipv6_pinfo *np = inet6_sk(sk); |
3b1e0a655 [NET] NETNS: Omit... |
123 |
struct net *net = sock_net(sk); |
1da177e4c Linux-2.6.12-rc2 |
124 125 |
int val, valbool; int retv = -ENOPROTOOPT; |
1da177e4c Linux-2.6.12-rc2 |
126 127 |
if (optval == NULL) val=0; |
b2a9d7c2f [IPV6]: Check len... |
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else { if (optlen >= sizeof(int)) { if (get_user(val, (int __user *) optval)) return -EFAULT; } else val = 0; } |
1da177e4c Linux-2.6.12-rc2 |
135 136 |
valbool = (val!=0); |
7bc570c8b [IPV6] MROUTE: Su... |
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if (ip6_mroute_opt(optname)) return ip6_mroute_setsockopt(sk, optname, optval, optlen); |
1da177e4c Linux-2.6.12-rc2 |
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lock_sock(sk); switch (optname) { case IPV6_ADDRFORM: |
b2a9d7c2f [IPV6]: Check len... |
144 145 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
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if (val == PF_INET) { struct ipv6_txoptions *opt; struct sk_buff *pktopt; |
49d074f40 [IPV6]: Do not ch... |
149 150 |
if (sk->sk_type == SOCK_RAW) break; |
9596cc826 [IPV6]: Do not ch... |
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if (sk->sk_protocol == IPPROTO_UDP || sk->sk_protocol == IPPROTO_UDPLITE) { struct udp_sock *up = udp_sk(sk); if (up->pending == AF_INET6) { retv = -EBUSY; break; } } else if (sk->sk_protocol != IPPROTO_TCP) |
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break; if (sk->sk_state != TCP_ESTABLISHED) { retv = -ENOTCONN; break; } if (ipv6_only_sock(sk) || |
e773e4faa [IPV6]: Add v4map... |
167 |
!ipv6_addr_v4mapped(&np->daddr)) { |
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retv = -EADDRNOTAVAIL; break; } fl6_free_socklist(sk); ipv6_sock_mc_close(sk); |
e6848976b [NET]: Cleanup IN... |
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/* * Sock is moving from IPv6 to IPv4 (sk_prot), so * remove it from the refcnt debug socks count in the * original family... */ sk_refcnt_debug_dec(sk); |
1da177e4c Linux-2.6.12-rc2 |
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if (sk->sk_protocol == IPPROTO_TCP) { |
d83d8461f [IP_SOCKGLUE]: Re... |
181 |
struct inet_connection_sock *icsk = inet_csk(sk); |
1da177e4c Linux-2.6.12-rc2 |
182 |
local_bh_disable(); |
c29a0bc4d [SOCK][NETNS]: Ad... |
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sock_prot_inuse_add(net, sk->sk_prot, -1); sock_prot_inuse_add(net, &tcp_prot, 1); |
1da177e4c Linux-2.6.12-rc2 |
185 186 |
local_bh_enable(); sk->sk_prot = &tcp_prot; |
d83d8461f [IP_SOCKGLUE]: Re... |
187 |
icsk->icsk_af_ops = &ipv4_specific; |
1da177e4c Linux-2.6.12-rc2 |
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sk->sk_socket->ops = &inet_stream_ops; sk->sk_family = PF_INET; |
d83d8461f [IP_SOCKGLUE]: Re... |
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tcp_sync_mss(sk, icsk->icsk_pmtu_cookie); |
1da177e4c Linux-2.6.12-rc2 |
191 |
} else { |
ba4e58eca [NET]: Supporting... |
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struct proto *prot = &udp_prot; |
db8dac20d [UDP]: Revert udp... |
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if (sk->sk_protocol == IPPROTO_UDPLITE) |
ba4e58eca [NET]: Supporting... |
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prot = &udplite_prot; |
1da177e4c Linux-2.6.12-rc2 |
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local_bh_disable(); |
c29a0bc4d [SOCK][NETNS]: Ad... |
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sock_prot_inuse_add(net, sk->sk_prot, -1); sock_prot_inuse_add(net, prot, 1); |
1da177e4c Linux-2.6.12-rc2 |
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local_bh_enable(); |
ba4e58eca [NET]: Supporting... |
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sk->sk_prot = prot; |
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sk->sk_socket->ops = &inet_dgram_ops; sk->sk_family = PF_INET; } opt = xchg(&np->opt, NULL); if (opt) sock_kfree_s(sk, opt, opt->tot_len); pktopt = xchg(&np->pktoptions, NULL); |
800d55f14 ipv6: Remove some... |
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kfree_skb(pktopt); |
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sk->sk_destruct = inet_sock_destruct; |
e6848976b [NET]: Cleanup IN... |
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/* * ... and add it to the refcnt debug socks count * in the new family. -acme */ sk_refcnt_debug_inc(sk); |
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module_put(THIS_MODULE); retv = 0; break; } goto e_inval; case IPV6_V6ONLY: |
b2a9d7c2f [IPV6]: Check len... |
222 |
if (optlen < sizeof(int) || |
c720c7e83 inet: rename some... |
223 |
inet_sk(sk)->inet_num) |
1da177e4c Linux-2.6.12-rc2 |
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goto e_inval; np->ipv6only = valbool; retv = 0; break; |
333fad536 [IPV6]: Support s... |
228 |
case IPV6_RECVPKTINFO: |
b2a9d7c2f [IPV6]: Check len... |
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if (optlen < sizeof(int)) goto e_inval; |
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np->rxopt.bits.rxinfo = valbool; retv = 0; break; |
1ab1457c4 [NET] IPV6: Fix w... |
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|
333fad536 [IPV6]: Support s... |
235 |
case IPV6_2292PKTINFO: |
b2a9d7c2f [IPV6]: Check len... |
236 237 |
if (optlen < sizeof(int)) goto e_inval; |
333fad536 [IPV6]: Support s... |
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np->rxopt.bits.rxoinfo = valbool; retv = 0; break; |
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|
333fad536 [IPV6]: Support s... |
242 |
case IPV6_RECVHOPLIMIT: |
b2a9d7c2f [IPV6]: Check len... |
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if (optlen < sizeof(int)) goto e_inval; |
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np->rxopt.bits.rxhlim = valbool; retv = 0; break; |
333fad536 [IPV6]: Support s... |
248 |
case IPV6_2292HOPLIMIT: |
b2a9d7c2f [IPV6]: Check len... |
249 250 |
if (optlen < sizeof(int)) goto e_inval; |
333fad536 [IPV6]: Support s... |
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np->rxopt.bits.rxohlim = valbool; retv = 0; break; case IPV6_RECVRTHDR: |
b2a9d7c2f [IPV6]: Check len... |
256 257 |
if (optlen < sizeof(int)) goto e_inval; |
4c752098f [IPV6]: Make IPV6... |
258 |
np->rxopt.bits.srcrt = valbool; |
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259 260 |
retv = 0; break; |
333fad536 [IPV6]: Support s... |
261 |
case IPV6_2292RTHDR: |
b2a9d7c2f [IPV6]: Check len... |
262 263 |
if (optlen < sizeof(int)) goto e_inval; |
4c752098f [IPV6]: Make IPV6... |
264 |
np->rxopt.bits.osrcrt = valbool; |
333fad536 [IPV6]: Support s... |
265 266 267 268 |
retv = 0; break; case IPV6_RECVHOPOPTS: |
b2a9d7c2f [IPV6]: Check len... |
269 270 |
if (optlen < sizeof(int)) goto e_inval; |
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271 272 273 |
np->rxopt.bits.hopopts = valbool; retv = 0; break; |
333fad536 [IPV6]: Support s... |
274 |
case IPV6_2292HOPOPTS: |
b2a9d7c2f [IPV6]: Check len... |
275 276 |
if (optlen < sizeof(int)) goto e_inval; |
333fad536 [IPV6]: Support s... |
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np->rxopt.bits.ohopopts = valbool; retv = 0; break; case IPV6_RECVDSTOPTS: |
b2a9d7c2f [IPV6]: Check len... |
282 283 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
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np->rxopt.bits.dstopts = valbool; retv = 0; break; |
333fad536 [IPV6]: Support s... |
287 |
case IPV6_2292DSTOPTS: |
b2a9d7c2f [IPV6]: Check len... |
288 289 |
if (optlen < sizeof(int)) goto e_inval; |
333fad536 [IPV6]: Support s... |
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np->rxopt.bits.odstopts = valbool; retv = 0; break; |
41a1f8ea4 [IPV6]: Support I... |
293 |
case IPV6_TCLASS: |
b2a9d7c2f [IPV6]: Check len... |
294 295 |
if (optlen < sizeof(int)) goto e_inval; |
d0ee011f7 [IPV6]: Accept -1... |
296 |
if (val < -1 || val > 0xff) |
41a1f8ea4 [IPV6]: Support I... |
297 |
goto e_inval; |
26ced1e4a inet6: Set defaul... |
298 299 300 |
/* RFC 3542, 6.5: default traffic class of 0x0 */ if (val == -1) val = 0; |
41a1f8ea4 [IPV6]: Support I... |
301 302 303 |
np->tclass = val; retv = 0; break; |
1ab1457c4 [NET] IPV6: Fix w... |
304 |
|
41a1f8ea4 [IPV6]: Support I... |
305 |
case IPV6_RECVTCLASS: |
b2a9d7c2f [IPV6]: Check len... |
306 307 |
if (optlen < sizeof(int)) goto e_inval; |
41a1f8ea4 [IPV6]: Support I... |
308 309 310 |
np->rxopt.bits.rxtclass = valbool; retv = 0; break; |
1da177e4c Linux-2.6.12-rc2 |
311 |
case IPV6_FLOWINFO: |
b2a9d7c2f [IPV6]: Check len... |
312 313 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
314 315 316 |
np->rxopt.bits.rxflow = valbool; retv = 0; break; |
793b14731 IPv6: data struct... |
317 318 319 320 321 322 |
case IPV6_RECVPATHMTU: if (optlen < sizeof(int)) goto e_inval; np->rxopt.bits.rxpmtu = valbool; retv = 0; break; |
6c4686228 tproxy: added tpr... |
323 |
case IPV6_TRANSPARENT: |
6cc7a765c net: allow CAP_NE... |
324 |
if (valbool && !capable(CAP_NET_ADMIN) && !capable(CAP_NET_RAW)) { |
b889416b5 tproxy: Add missi... |
325 326 327 |
retv = -EPERM; break; } |
6c4686228 tproxy: added tpr... |
328 329 330 331 332 333 334 335 336 337 338 339 340 |
if (optlen < sizeof(int)) goto e_inval; /* we don't have a separate transparent bit for IPV6 we use the one in the IPv4 socket */ inet_sk(sk)->transparent = valbool; retv = 0; break; case IPV6_RECVORIGDSTADDR: if (optlen < sizeof(int)) goto e_inval; np->rxopt.bits.rxorigdstaddr = valbool; retv = 0; break; |
333fad536 [IPV6]: Support s... |
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case IPV6_HOPOPTS: case IPV6_RTHDRDSTOPTS: case IPV6_RTHDR: case IPV6_DSTOPTS: { struct ipv6_txoptions *opt; |
aea7427f7 ipv6: Remove opti... |
347 348 349 350 |
/* remove any sticky options header with a zero option * length, per RFC3542. */ |
333fad536 [IPV6]: Support s... |
351 |
if (optlen == 0) |
cb422c464 [IPV6]: Fixes spa... |
352 |
optval = NULL; |
cfb266c0e ipv6: Fix the ret... |
353 354 |
else if (optval == NULL) goto e_inval; |
aea7427f7 ipv6: Remove opti... |
355 356 357 |
else if (optlen < sizeof(struct ipv6_opt_hdr) || optlen & 0x7 || optlen > 8 * 255) goto e_inval; |
333fad536 [IPV6]: Support s... |
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/* hop-by-hop / destination options are privileged option */ retv = -EPERM; if (optname != IPV6_RTHDR && !capable(CAP_NET_RAW)) break; |
333fad536 [IPV6]: Support s... |
363 364 365 366 367 368 369 370 371 |
opt = ipv6_renew_options(sk, np->opt, optname, (struct ipv6_opt_hdr __user *)optval, optlen); if (IS_ERR(opt)) { retv = PTR_ERR(opt); break; } /* routing header option needs extra check */ |
6e093d9df ipv6: routing hea... |
372 |
retv = -EINVAL; |
dfee0a725 [IPV6]: Fix for i... |
373 |
if (optname == IPV6_RTHDR && opt && opt->srcrt) { |
333fad536 [IPV6]: Support s... |
374 |
struct ipv6_rt_hdr *rthdr = opt->srcrt; |
280a9d340 [IPV6] MIP6: Add ... |
375 |
switch (rthdr->type) { |
59fbb3a61 [IPV6] MIP6: Load... |
376 |
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) |
280a9d340 [IPV6] MIP6: Add ... |
377 |
case IPV6_SRCRT_TYPE_2: |
6e093d9df ipv6: routing hea... |
378 379 380 |
if (rthdr->hdrlen != 2 || rthdr->segments_left != 1) goto sticky_done; |
280a9d340 [IPV6] MIP6: Add ... |
381 |
break; |
bb4dbf9e6 [IPV6]: Do not se... |
382 |
#endif |
280a9d340 [IPV6] MIP6: Add ... |
383 |
default: |
333fad536 [IPV6]: Support s... |
384 |
goto sticky_done; |
280a9d340 [IPV6] MIP6: Add ... |
385 |
} |
333fad536 [IPV6]: Support s... |
386 387 388 |
} retv = 0; |
e7712f1a7 [IPV6]: Share com... |
389 |
opt = ipv6_update_options(sk, opt); |
333fad536 [IPV6]: Support s... |
390 391 392 393 394 |
sticky_done: if (opt) sock_kfree_s(sk, opt, opt->tot_len); break; } |
b24a2516d ipv6: Add IPV6_PK... |
395 396 397 398 399 400 401 402 |
case IPV6_PKTINFO: { struct in6_pktinfo pkt; if (optlen == 0) goto e_inval; else if (optlen < sizeof(struct in6_pktinfo) || optval == NULL) goto e_inval; |
914d11647 ipv6: IPV6_PKTINF... |
403 |
if (copy_from_user(&pkt, optval, sizeof(struct in6_pktinfo))) { |
b24a2516d ipv6: Add IPV6_PK... |
404 405 406 407 408 409 410 |
retv = -EFAULT; break; } if (sk->sk_bound_dev_if && pkt.ipi6_ifindex != sk->sk_bound_dev_if) goto e_inval; np->sticky_pktinfo.ipi6_ifindex = pkt.ipi6_ifindex; |
4e3fd7a06 net: remove ipv6_... |
411 |
np->sticky_pktinfo.ipi6_addr = pkt.ipi6_addr; |
b24a2516d ipv6: Add IPV6_PK... |
412 413 414 |
retv = 0; break; } |
333fad536 [IPV6]: Support s... |
415 |
case IPV6_2292PKTOPTIONS: |
1da177e4c Linux-2.6.12-rc2 |
416 417 418 |
{ struct ipv6_txoptions *opt = NULL; struct msghdr msg; |
4c9483b2f ipv6: Convert to ... |
419 |
struct flowi6 fl6; |
1da177e4c Linux-2.6.12-rc2 |
420 |
int junk; |
4c9483b2f ipv6: Convert to ... |
421 422 423 |
memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_oif = sk->sk_bound_dev_if; fl6.flowi6_mark = sk->sk_mark; |
1da177e4c Linux-2.6.12-rc2 |
424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 |
if (optlen == 0) goto update; /* 1K is probably excessive * 1K is surely not enough, 2K per standard header is 16K. */ retv = -EINVAL; if (optlen > 64*1024) break; opt = sock_kmalloc(sk, sizeof(*opt) + optlen, GFP_KERNEL); retv = -ENOBUFS; if (opt == NULL) break; memset(opt, 0, sizeof(*opt)); opt->tot_len = sizeof(*opt) + optlen; retv = -EFAULT; if (copy_from_user(opt+1, optval, optlen)) goto done; msg.msg_controllen = optlen; msg.msg_control = (void*)(opt+1); |
ec0506dbe net: relax PKTINF... |
448 |
retv = datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk, &junk, |
13b52cd44 IPv6: Add dontfra... |
449 |
&junk); |
1da177e4c Linux-2.6.12-rc2 |
450 451 452 453 |
if (retv) goto done; update: retv = 0; |
e7712f1a7 [IPV6]: Share com... |
454 |
opt = ipv6_update_options(sk, opt); |
1da177e4c Linux-2.6.12-rc2 |
455 456 457 458 459 460 |
done: if (opt) sock_kfree_s(sk, opt, opt->tot_len); break; } case IPV6_UNICAST_HOPS: |
b2a9d7c2f [IPV6]: Check len... |
461 462 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
463 464 465 466 467 468 469 470 |
if (val > 255 || val < -1) goto e_inval; np->hop_limit = val; retv = 0; break; case IPV6_MULTICAST_HOPS: if (sk->sk_type == SOCK_STREAM) |
1717699cd ipv6: Fail with a... |
471 |
break; |
b2a9d7c2f [IPV6]: Check len... |
472 473 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
474 475 |
if (val > 255 || val < -1) goto e_inval; |
2a38e6d5a ipv6: Set mcast_h... |
476 |
np->mcast_hops = (val == -1 ? IPV6_DEFAULT_MCASTHOPS : val); |
1da177e4c Linux-2.6.12-rc2 |
477 478 479 480 |
retv = 0; break; case IPV6_MULTICAST_LOOP: |
b2a9d7c2f [IPV6]: Check len... |
481 482 |
if (optlen < sizeof(int)) goto e_inval; |
28d448821 ipv6: Check IPV6_... |
483 484 |
if (val != valbool) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
485 486 487 488 489 490 |
np->mc_loop = valbool; retv = 0; break; case IPV6_MULTICAST_IF: if (sk->sk_type == SOCK_STREAM) |
1717699cd ipv6: Fail with a... |
491 |
break; |
b2a9d7c2f [IPV6]: Check len... |
492 493 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
494 |
|
4953f0fcc [IPv6]: Update se... |
495 |
if (val) { |
55b805035 net: Fix IP_MULTI... |
496 |
struct net_device *dev; |
4953f0fcc [IPv6]: Update se... |
497 498 |
if (sk->sk_bound_dev_if && sk->sk_bound_dev_if != val) goto e_inval; |
55b805035 net: Fix IP_MULTI... |
499 500 |
dev = dev_get_by_index(net, val); if (!dev) { |
4953f0fcc [IPv6]: Update se... |
501 502 503 |
retv = -ENODEV; break; } |
55b805035 net: Fix IP_MULTI... |
504 |
dev_put(dev); |
1da177e4c Linux-2.6.12-rc2 |
505 506 507 508 509 510 511 512 |
} np->mcast_oif = val; retv = 0; break; case IPV6_ADD_MEMBERSHIP: case IPV6_DROP_MEMBERSHIP: { struct ipv6_mreq mreq; |
a28398ba6 [IPV6]: Check len... |
513 514 |
if (optlen < sizeof(struct ipv6_mreq)) goto e_inval; |
a96fb49be [NET]: Fix IP_ADD... |
515 516 517 |
retv = -EPROTO; if (inet_sk(sk)->is_icsk) break; |
1da177e4c Linux-2.6.12-rc2 |
518 519 520 521 522 523 524 525 526 527 528 529 530 531 |
retv = -EFAULT; if (copy_from_user(&mreq, optval, sizeof(struct ipv6_mreq))) break; if (optname == IPV6_ADD_MEMBERSHIP) retv = ipv6_sock_mc_join(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr); else retv = ipv6_sock_mc_drop(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_multiaddr); break; } case IPV6_JOIN_ANYCAST: case IPV6_LEAVE_ANYCAST: { struct ipv6_mreq mreq; |
a28398ba6 [IPV6]: Check len... |
532 |
if (optlen < sizeof(struct ipv6_mreq)) |
1da177e4c Linux-2.6.12-rc2 |
533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 |
goto e_inval; retv = -EFAULT; if (copy_from_user(&mreq, optval, sizeof(struct ipv6_mreq))) break; if (optname == IPV6_JOIN_ANYCAST) retv = ipv6_sock_ac_join(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_acaddr); else retv = ipv6_sock_ac_drop(sk, mreq.ipv6mr_ifindex, &mreq.ipv6mr_acaddr); break; } case MCAST_JOIN_GROUP: case MCAST_LEAVE_GROUP: { struct group_req greq; struct sockaddr_in6 *psin6; |
a28398ba6 [IPV6]: Check len... |
550 551 |
if (optlen < sizeof(struct group_req)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 |
retv = -EFAULT; if (copy_from_user(&greq, optval, sizeof(struct group_req))) break; if (greq.gr_group.ss_family != AF_INET6) { retv = -EADDRNOTAVAIL; break; } psin6 = (struct sockaddr_in6 *)&greq.gr_group; if (optname == MCAST_JOIN_GROUP) retv = ipv6_sock_mc_join(sk, greq.gr_interface, &psin6->sin6_addr); else retv = ipv6_sock_mc_drop(sk, greq.gr_interface, &psin6->sin6_addr); break; } case MCAST_JOIN_SOURCE_GROUP: case MCAST_LEAVE_SOURCE_GROUP: case MCAST_BLOCK_SOURCE: case MCAST_UNBLOCK_SOURCE: { struct group_source_req greqs; int omode, add; |
a28398ba6 [IPV6]: Check len... |
575 |
if (optlen < sizeof(struct group_source_req)) |
1da177e4c Linux-2.6.12-rc2 |
576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 |
goto e_inval; if (copy_from_user(&greqs, optval, sizeof(greqs))) { retv = -EFAULT; break; } if (greqs.gsr_group.ss_family != AF_INET6 || greqs.gsr_source.ss_family != AF_INET6) { retv = -EADDRNOTAVAIL; break; } if (optname == MCAST_BLOCK_SOURCE) { omode = MCAST_EXCLUDE; add = 1; } else if (optname == MCAST_UNBLOCK_SOURCE) { omode = MCAST_EXCLUDE; add = 0; } else if (optname == MCAST_JOIN_SOURCE_GROUP) { struct sockaddr_in6 *psin6; psin6 = (struct sockaddr_in6 *)&greqs.gsr_group; retv = ipv6_sock_mc_join(sk, greqs.gsr_interface, &psin6->sin6_addr); |
c9e3e8b69 [IPV6]: multicast... |
598 599 |
/* prior join w/ different source is ok */ if (retv && retv != -EADDRINUSE) |
1da177e4c Linux-2.6.12-rc2 |
600 601 602 |
break; omode = MCAST_INCLUDE; add = 1; |
c9e3e8b69 [IPV6]: multicast... |
603 |
} else /* MCAST_LEAVE_SOURCE_GROUP */ { |
1da177e4c Linux-2.6.12-rc2 |
604 605 606 607 608 609 610 611 |
omode = MCAST_INCLUDE; add = 0; } retv = ip6_mc_source(add, omode, sk, &greqs); break; } case MCAST_MSFILTER: { |
1da177e4c Linux-2.6.12-rc2 |
612 613 614 615 616 617 618 619 620 |
extern int sysctl_mld_max_msf; struct group_filter *gsf; if (optlen < GROUP_FILTER_SIZE(0)) goto e_inval; if (optlen > sysctl_optmem_max) { retv = -ENOBUFS; break; } |
8b3a70058 [NET]: Remove mor... |
621 |
gsf = kmalloc(optlen,GFP_KERNEL); |
cfcabdcc2 [NET]: sparse war... |
622 |
if (!gsf) { |
1da177e4c Linux-2.6.12-rc2 |
623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 |
retv = -ENOBUFS; break; } retv = -EFAULT; if (copy_from_user(gsf, optval, optlen)) { kfree(gsf); break; } /* numsrc >= (4G-140)/128 overflow in 32 bits */ if (gsf->gf_numsrc >= 0x1ffffffU || gsf->gf_numsrc > sysctl_mld_max_msf) { kfree(gsf); retv = -ENOBUFS; break; } if (GROUP_FILTER_SIZE(gsf->gf_numsrc) > optlen) { kfree(gsf); retv = -EINVAL; break; } retv = ip6_mc_msfilter(sk, gsf); kfree(gsf); break; } case IPV6_ROUTER_ALERT: |
b2a9d7c2f [IPV6]: Check len... |
649 650 |
if (optlen < sizeof(int)) goto e_inval; |
725a8ff04 ipv6: remove unus... |
651 |
retv = ip6_ra_control(sk, val); |
1da177e4c Linux-2.6.12-rc2 |
652 653 |
break; case IPV6_MTU_DISCOVER: |
b2a9d7c2f [IPV6]: Check len... |
654 655 |
if (optlen < sizeof(int)) goto e_inval; |
0eae750e6 IP: Cleanups |
656 |
if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_PROBE) |
1da177e4c Linux-2.6.12-rc2 |
657 658 659 660 661 |
goto e_inval; np->pmtudisc = val; retv = 0; break; case IPV6_MTU: |
b2a9d7c2f [IPV6]: Check len... |
662 663 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
664 665 666 667 668 669 |
if (val && val < IPV6_MIN_MTU) goto e_inval; np->frag_size = val; retv = 0; break; case IPV6_RECVERR: |
b2a9d7c2f [IPV6]: Check len... |
670 671 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
672 673 674 675 676 677 |
np->recverr = valbool; if (!val) skb_queue_purge(&sk->sk_error_queue); retv = 0; break; case IPV6_FLOWINFO_SEND: |
b2a9d7c2f [IPV6]: Check len... |
678 679 |
if (optlen < sizeof(int)) goto e_inval; |
1da177e4c Linux-2.6.12-rc2 |
680 681 682 683 684 685 686 687 |
np->sndflow = valbool; retv = 0; break; case IPV6_FLOWLABEL_MGR: retv = ipv6_flowlabel_opt(sk, optval, optlen); break; case IPV6_IPSEC_POLICY: case IPV6_XFRM_POLICY: |
6fc0b4a7a [IPSEC]: Restrict... |
688 689 690 |
retv = -EPERM; if (!capable(CAP_NET_ADMIN)) break; |
1da177e4c Linux-2.6.12-rc2 |
691 692 |
retv = xfrm_user_policy(sk, optname, optval, optlen); break; |
7cbca67c0 [IPV6]: Support S... |
693 694 695 696 |
case IPV6_ADDR_PREFERENCES: { unsigned int pref = 0; unsigned int prefmask = ~0; |
b2a9d7c2f [IPV6]: Check len... |
697 698 |
if (optlen < sizeof(int)) goto e_inval; |
7cbca67c0 [IPV6]: Support S... |
699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 |
retv = -EINVAL; /* check PUBLIC/TMP/PUBTMP_DEFAULT conflicts */ switch (val & (IPV6_PREFER_SRC_PUBLIC| IPV6_PREFER_SRC_TMP| IPV6_PREFER_SRC_PUBTMP_DEFAULT)) { case IPV6_PREFER_SRC_PUBLIC: pref |= IPV6_PREFER_SRC_PUBLIC; break; case IPV6_PREFER_SRC_TMP: pref |= IPV6_PREFER_SRC_TMP; break; case IPV6_PREFER_SRC_PUBTMP_DEFAULT: break; case 0: goto pref_skip_pubtmp; default: goto e_inval; } prefmask &= ~(IPV6_PREFER_SRC_PUBLIC| IPV6_PREFER_SRC_TMP); pref_skip_pubtmp: /* check HOME/COA conflicts */ switch (val & (IPV6_PREFER_SRC_HOME|IPV6_PREFER_SRC_COA)) { case IPV6_PREFER_SRC_HOME: break; case IPV6_PREFER_SRC_COA: pref |= IPV6_PREFER_SRC_COA; case 0: goto pref_skip_coa; default: goto e_inval; } prefmask &= ~IPV6_PREFER_SRC_COA; pref_skip_coa: /* check CGA/NONCGA conflicts */ switch (val & (IPV6_PREFER_SRC_CGA|IPV6_PREFER_SRC_NONCGA)) { case IPV6_PREFER_SRC_CGA: case IPV6_PREFER_SRC_NONCGA: case 0: break; default: goto e_inval; } np->srcprefs = (np->srcprefs & prefmask) | pref; retv = 0; break; } |
e802af9ca IPv6: Generic TTL... |
753 754 755 756 757 758 |
case IPV6_MINHOPCOUNT: if (optlen < sizeof(int)) goto e_inval; if (val < 0 || val > 255) goto e_inval; np->min_hopcount = val; |
793b14731 IPv6: data struct... |
759 760 761 |
break; case IPV6_DONTFRAG: np->dontfrag = valbool; |
e802af9ca IPv6: Generic TTL... |
762 763 |
retv = 0; break; |
1da177e4c Linux-2.6.12-rc2 |
764 |
} |
7cbca67c0 [IPV6]: Support S... |
765 |
|
1da177e4c Linux-2.6.12-rc2 |
766 |
release_sock(sk); |
1da177e4c Linux-2.6.12-rc2 |
767 768 769 770 771 772 |
return retv; e_inval: release_sock(sk); return -EINVAL; } |
3fdadf7d2 [NET]: {get|set}s... |
773 |
int ipv6_setsockopt(struct sock *sk, int level, int optname, |
b7058842c net: Make setsock... |
774 |
char __user *optval, unsigned int optlen) |
3fdadf7d2 [NET]: {get|set}s... |
775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 |
{ int err; if (level == SOL_IP && sk->sk_type != SOCK_RAW) return udp_prot.setsockopt(sk, level, optname, optval, optlen); if (level != SOL_IPV6) return -ENOPROTOOPT; err = do_ipv6_setsockopt(sk, level, optname, optval, optlen); #ifdef CONFIG_NETFILTER /* we need to exclude all possible ENOPROTOOPTs except default case */ if (err == -ENOPROTOOPT && optname != IPV6_IPSEC_POLICY && optname != IPV6_XFRM_POLICY) { lock_sock(sk); err = nf_setsockopt(sk, PF_INET6, optname, optval, optlen); release_sock(sk); } #endif return err; } |
7159039a1 [IPV6]: Decentral... |
797 |
EXPORT_SYMBOL(ipv6_setsockopt); |
3fdadf7d2 [NET]: {get|set}s... |
798 799 800 |
#ifdef CONFIG_COMPAT int compat_ipv6_setsockopt(struct sock *sk, int level, int optname, |
b7058842c net: Make setsock... |
801 |
char __user *optval, unsigned int optlen) |
3fdadf7d2 [NET]: {get|set}s... |
802 803 804 805 |
{ int err; if (level == SOL_IP && sk->sk_type != SOCK_RAW) { |
543d9cfee [NET]: Identation... |
806 807 808 809 |
if (udp_prot.compat_setsockopt != NULL) return udp_prot.compat_setsockopt(sk, level, optname, optval, optlen); return udp_prot.setsockopt(sk, level, optname, optval, optlen); |
3fdadf7d2 [NET]: {get|set}s... |
810 811 812 813 |
} if (level != SOL_IPV6) return -ENOPROTOOPT; |
dae502954 ipv4/ipv6 compat:... |
814 815 816 |
if (optname >= MCAST_JOIN_GROUP && optname <= MCAST_MSFILTER) return compat_mc_setsockopt(sk, level, optname, optval, optlen, ipv6_setsockopt); |
3fdadf7d2 [NET]: {get|set}s... |
817 818 819 820 |
err = do_ipv6_setsockopt(sk, level, optname, optval, optlen); #ifdef CONFIG_NETFILTER /* we need to exclude all possible ENOPROTOOPTs except default case */ if (err == -ENOPROTOOPT && optname != IPV6_IPSEC_POLICY && |
543d9cfee [NET]: Identation... |
821 |
optname != IPV6_XFRM_POLICY) { |
3fdadf7d2 [NET]: {get|set}s... |
822 |
lock_sock(sk); |
543d9cfee [NET]: Identation... |
823 824 |
err = compat_nf_setsockopt(sk, PF_INET6, optname, optval, optlen); |
3fdadf7d2 [NET]: {get|set}s... |
825 826 827 828 829 |
release_sock(sk); } #endif return err; } |
543d9cfee [NET]: Identation... |
830 831 |
EXPORT_SYMBOL(compat_ipv6_setsockopt); |
3fdadf7d2 [NET]: {get|set}s... |
832 |
#endif |
286930797 [IPV6]: Handle np... |
833 |
static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt, |
4c6510a73 [IPV6]: Return co... |
834 |
int optname, char __user *optval, int len) |
333fad536 [IPV6]: Support s... |
835 |
{ |
286930797 [IPV6]: Handle np... |
836 |
struct ipv6_opt_hdr *hdr; |
4c6510a73 [IPV6]: Return co... |
837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 |
if (!opt) return 0; switch(optname) { case IPV6_HOPOPTS: hdr = opt->hopopt; break; case IPV6_RTHDRDSTOPTS: hdr = opt->dst0opt; break; case IPV6_RTHDR: hdr = (struct ipv6_opt_hdr *)opt->srcrt; break; case IPV6_DSTOPTS: hdr = opt->dst1opt; break; default: return -EINVAL; /* should not happen */ } if (!hdr) |
333fad536 [IPV6]: Support s... |
858 |
return 0; |
286930797 [IPV6]: Handle np... |
859 |
|
d2b02ed94 [IPV6] fix ipv6_g... |
860 |
len = min_t(unsigned int, len, ipv6_optlen(hdr)); |
660adc6e6 [IPv6]: Invalid s... |
861 |
if (copy_to_user(optval, hdr, len)) |
333fad536 [IPV6]: Support s... |
862 |
return -EFAULT; |
95b496b66 [IPV6]: Fix the d... |
863 |
return len; |
333fad536 [IPV6]: Support s... |
864 |
} |
3fdadf7d2 [NET]: {get|set}s... |
865 |
static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, |
98e77438a ipv6: Fix ipv6_ge... |
866 |
char __user *optval, int __user *optlen, unsigned flags) |
1da177e4c Linux-2.6.12-rc2 |
867 868 869 870 |
{ struct ipv6_pinfo *np = inet6_sk(sk); int len; int val; |
7bc570c8b [IPV6] MROUTE: Su... |
871 872 |
if (ip6_mroute_opt(optname)) return ip6_mroute_getsockopt(sk, optname, optval, optlen); |
1da177e4c Linux-2.6.12-rc2 |
873 874 875 876 877 |
if (get_user(len, optlen)) return -EFAULT; switch (optname) { case IPV6_ADDRFORM: if (sk->sk_protocol != IPPROTO_UDP && |
ba4e58eca [NET]: Supporting... |
878 |
sk->sk_protocol != IPPROTO_UDPLITE && |
1da177e4c Linux-2.6.12-rc2 |
879 |
sk->sk_protocol != IPPROTO_TCP) |
1717699cd ipv6: Fail with a... |
880 |
return -ENOPROTOOPT; |
1da177e4c Linux-2.6.12-rc2 |
881 882 883 884 885 886 887 888 889 890 891 892 893 |
if (sk->sk_state != TCP_ESTABLISHED) return -ENOTCONN; val = sk->sk_family; break; case MCAST_MSFILTER: { struct group_filter gsf; int err; if (len < GROUP_FILTER_SIZE(0)) return -EINVAL; if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0))) return -EFAULT; |
20c61fbd8 ipv6 mcast: Check... |
894 895 |
if (gsf.gf_group.ss_family != AF_INET6) return -EADDRNOTAVAIL; |
1da177e4c Linux-2.6.12-rc2 |
896 897 898 899 900 901 |
lock_sock(sk); err = ip6_mc_msfget(sk, &gsf, (struct group_filter __user *)optval, optlen); release_sock(sk); return err; } |
333fad536 [IPV6]: Support s... |
902 |
case IPV6_2292PKTOPTIONS: |
1da177e4c Linux-2.6.12-rc2 |
903 904 905 906 907 908 909 910 911 |
{ struct msghdr msg; struct sk_buff *skb; if (sk->sk_type != SOCK_STREAM) return -ENOPROTOOPT; msg.msg_control = optval; msg.msg_controllen = len; |
98e77438a ipv6: Fix ipv6_ge... |
912 |
msg.msg_flags = flags; |
1da177e4c Linux-2.6.12-rc2 |
913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 |
lock_sock(sk); skb = np->pktoptions; if (skb) atomic_inc(&skb->users); release_sock(sk); if (skb) { int err = datagram_recv_ctl(sk, &msg, skb); kfree_skb(skb); if (err) return err; } else { if (np->rxopt.bits.rxinfo) { struct in6_pktinfo src_info; |
f250dcdac ipv6: fix the ret... |
928 929 |
src_info.ipi6_ifindex = np->mcast_oif ? np->mcast_oif : np->sticky_pktinfo.ipi6_ifindex; |
4e3fd7a06 net: remove ipv6_... |
930 |
src_info.ipi6_addr = np->mcast_oif ? np->daddr : np->sticky_pktinfo.ipi6_addr; |
1da177e4c Linux-2.6.12-rc2 |
931 932 933 934 935 936 |
put_cmsg(&msg, SOL_IPV6, IPV6_PKTINFO, sizeof(src_info), &src_info); } if (np->rxopt.bits.rxhlim) { int hlim = np->mcast_hops; put_cmsg(&msg, SOL_IPV6, IPV6_HOPLIMIT, sizeof(hlim), &hlim); } |
333fad536 [IPV6]: Support s... |
937 938 |
if (np->rxopt.bits.rxoinfo) { struct in6_pktinfo src_info; |
f250dcdac ipv6: fix the ret... |
939 940 |
src_info.ipi6_ifindex = np->mcast_oif ? np->mcast_oif : np->sticky_pktinfo.ipi6_ifindex; |
4e3fd7a06 net: remove ipv6_... |
941 |
src_info.ipi6_addr = np->mcast_oif ? np->daddr : np->sticky_pktinfo.ipi6_addr; |
333fad536 [IPV6]: Support s... |
942 943 944 945 946 947 |
put_cmsg(&msg, SOL_IPV6, IPV6_2292PKTINFO, sizeof(src_info), &src_info); } if (np->rxopt.bits.rxohlim) { int hlim = np->mcast_hops; put_cmsg(&msg, SOL_IPV6, IPV6_2292HOPLIMIT, sizeof(hlim), &hlim); } |
1da177e4c Linux-2.6.12-rc2 |
948 949 950 951 952 953 954 |
} len -= msg.msg_controllen; return put_user(len, optlen); } case IPV6_MTU: { struct dst_entry *dst; |
b6c6712a4 net: sk_dst_cache... |
955 |
|
1ab1457c4 [NET] IPV6: Fix w... |
956 |
val = 0; |
b6c6712a4 net: sk_dst_cache... |
957 958 959 |
rcu_read_lock(); dst = __sk_dst_get(sk); if (dst) |
1da177e4c Linux-2.6.12-rc2 |
960 |
val = dst_mtu(dst); |
b6c6712a4 net: sk_dst_cache... |
961 |
rcu_read_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
962 963 964 965 966 967 968 969 |
if (!val) return -ENOTCONN; break; } case IPV6_V6ONLY: val = np->ipv6only; break; |
333fad536 [IPV6]: Support s... |
970 |
case IPV6_RECVPKTINFO: |
1da177e4c Linux-2.6.12-rc2 |
971 972 |
val = np->rxopt.bits.rxinfo; break; |
333fad536 [IPV6]: Support s... |
973 974 975 976 977 |
case IPV6_2292PKTINFO: val = np->rxopt.bits.rxoinfo; break; case IPV6_RECVHOPLIMIT: |
1da177e4c Linux-2.6.12-rc2 |
978 979 |
val = np->rxopt.bits.rxhlim; break; |
333fad536 [IPV6]: Support s... |
980 981 982 983 984 |
case IPV6_2292HOPLIMIT: val = np->rxopt.bits.rxohlim; break; case IPV6_RECVRTHDR: |
1da177e4c Linux-2.6.12-rc2 |
985 986 |
val = np->rxopt.bits.srcrt; break; |
333fad536 [IPV6]: Support s... |
987 988 989 |
case IPV6_2292RTHDR: val = np->rxopt.bits.osrcrt; break; |
1da177e4c Linux-2.6.12-rc2 |
990 |
case IPV6_HOPOPTS: |
333fad536 [IPV6]: Support s... |
991 992 993 994 995 996 |
case IPV6_RTHDRDSTOPTS: case IPV6_RTHDR: case IPV6_DSTOPTS: { lock_sock(sk); |
286930797 [IPV6]: Handle np... |
997 |
len = ipv6_getsockopt_sticky(sk, np->opt, |
4c6510a73 [IPV6]: Return co... |
998 |
optname, optval, len); |
333fad536 [IPV6]: Support s... |
999 |
release_sock(sk); |
05335c222 [IPV6]: Fix the r... |
1000 1001 1002 |
/* check if ipv6_getsockopt_sticky() returns err code */ if (len < 0) return len; |
333fad536 [IPV6]: Support s... |
1003 1004 1005 1006 |
return put_user(len, optlen); } case IPV6_RECVHOPOPTS: |
1da177e4c Linux-2.6.12-rc2 |
1007 1008 |
val = np->rxopt.bits.hopopts; break; |
333fad536 [IPV6]: Support s... |
1009 1010 1011 1012 1013 |
case IPV6_2292HOPOPTS: val = np->rxopt.bits.ohopopts; break; case IPV6_RECVDSTOPTS: |
1da177e4c Linux-2.6.12-rc2 |
1014 1015 |
val = np->rxopt.bits.dstopts; break; |
333fad536 [IPV6]: Support s... |
1016 1017 1018 |
case IPV6_2292DSTOPTS: val = np->rxopt.bits.odstopts; break; |
41a1f8ea4 [IPV6]: Support I... |
1019 1020 1021 1022 1023 1024 1025 |
case IPV6_TCLASS: val = np->tclass; break; case IPV6_RECVTCLASS: val = np->rxopt.bits.rxtclass; break; |
1da177e4c Linux-2.6.12-rc2 |
1026 1027 1028 |
case IPV6_FLOWINFO: val = np->rxopt.bits.rxflow; break; |
793b14731 IPv6: data struct... |
1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 |
case IPV6_RECVPATHMTU: val = np->rxopt.bits.rxpmtu; break; case IPV6_PATHMTU: { struct dst_entry *dst; struct ip6_mtuinfo mtuinfo; if (len < sizeof(mtuinfo)) return -EINVAL; len = sizeof(mtuinfo); memset(&mtuinfo, 0, sizeof(mtuinfo)); rcu_read_lock(); dst = __sk_dst_get(sk); if (dst) mtuinfo.ip6m_mtu = dst_mtu(dst); rcu_read_unlock(); if (!mtuinfo.ip6m_mtu) return -ENOTCONN; if (put_user(len, optlen)) return -EFAULT; if (copy_to_user(optval, &mtuinfo, len)) return -EFAULT; return 0; break; } |
6c4686228 tproxy: added tpr... |
1060 1061 1062 1063 1064 1065 1066 |
case IPV6_TRANSPARENT: val = inet_sk(sk)->transparent; break; case IPV6_RECVORIGDSTADDR: val = np->rxopt.bits.rxorigdstaddr; break; |
1da177e4c Linux-2.6.12-rc2 |
1067 |
case IPV6_UNICAST_HOPS: |
1da177e4c Linux-2.6.12-rc2 |
1068 |
case IPV6_MULTICAST_HOPS: |
befffe901 [IPV6]: Fix IPV6_... |
1069 1070 1071 1072 1073 1074 1075 |
{ struct dst_entry *dst; if (optname == IPV6_UNICAST_HOPS) val = np->hop_limit; else val = np->mcast_hops; |
b6c6712a4 net: sk_dst_cache... |
1076 1077 1078 1079 |
if (val < 0) { rcu_read_lock(); dst = __sk_dst_get(sk); if (dst) |
6b75d0908 [IPV6]: Optimize ... |
1080 |
val = ip6_dst_hoplimit(dst); |
b6c6712a4 net: sk_dst_cache... |
1081 |
rcu_read_unlock(); |
befffe901 [IPV6]: Fix IPV6_... |
1082 |
} |
b6c6712a4 net: sk_dst_cache... |
1083 |
|
befffe901 [IPV6]: Fix IPV6_... |
1084 |
if (val < 0) |
53b7997fd ipv6 netns: Make ... |
1085 |
val = sock_net(sk)->ipv6.devconf_all->hop_limit; |
1da177e4c Linux-2.6.12-rc2 |
1086 |
break; |
befffe901 [IPV6]: Fix IPV6_... |
1087 |
} |
1da177e4c Linux-2.6.12-rc2 |
1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 |
case IPV6_MULTICAST_LOOP: val = np->mc_loop; break; case IPV6_MULTICAST_IF: val = np->mcast_oif; break; case IPV6_MTU_DISCOVER: val = np->pmtudisc; break; case IPV6_RECVERR: val = np->recverr; break; case IPV6_FLOWINFO_SEND: val = np->sndflow; break; |
7cbca67c0 [IPV6]: Support S... |
1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 |
case IPV6_ADDR_PREFERENCES: val = 0; if (np->srcprefs & IPV6_PREFER_SRC_TMP) val |= IPV6_PREFER_SRC_TMP; else if (np->srcprefs & IPV6_PREFER_SRC_PUBLIC) val |= IPV6_PREFER_SRC_PUBLIC; else { /* XXX: should we return system default? */ val |= IPV6_PREFER_SRC_PUBTMP_DEFAULT; } if (np->srcprefs & IPV6_PREFER_SRC_COA) val |= IPV6_PREFER_SRC_COA; else val |= IPV6_PREFER_SRC_HOME; break; |
e802af9ca IPv6: Generic TTL... |
1125 1126 1127 1128 |
case IPV6_MINHOPCOUNT: val = np->min_hopcount; break; |
793b14731 IPv6: data struct... |
1129 1130 1131 1132 |
case IPV6_DONTFRAG: val = np->dontfrag; break; |
7cbca67c0 [IPV6]: Support S... |
1133 |
|
1da177e4c Linux-2.6.12-rc2 |
1134 |
default: |
cf6fc4a92 [IPV6]: Fix the r... |
1135 |
return -ENOPROTOOPT; |
1da177e4c Linux-2.6.12-rc2 |
1136 1137 1138 1139 1140 1141 1142 1143 |
} len = min_t(unsigned int, sizeof(int), len); if(put_user(len, optlen)) return -EFAULT; if(copy_to_user(optval,&val,len)) return -EFAULT; return 0; } |
3fdadf7d2 [NET]: {get|set}s... |
1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 |
int ipv6_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen) { int err; if (level == SOL_IP && sk->sk_type != SOCK_RAW) return udp_prot.getsockopt(sk, level, optname, optval, optlen); if(level != SOL_IPV6) return -ENOPROTOOPT; |
98e77438a ipv6: Fix ipv6_ge... |
1154 |
err = do_ipv6_getsockopt(sk, level, optname, optval, optlen, 0); |
3fdadf7d2 [NET]: {get|set}s... |
1155 |
#ifdef CONFIG_NETFILTER |
cf6fc4a92 [IPV6]: Fix the r... |
1156 1157 |
/* we need to exclude all possible ENOPROTOOPTs except default case */ if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) { |
3fdadf7d2 [NET]: {get|set}s... |
1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 |
int len; if (get_user(len, optlen)) return -EFAULT; lock_sock(sk); err = nf_getsockopt(sk, PF_INET6, optname, optval, &len); release_sock(sk); if (err >= 0) err = put_user(len, optlen); } #endif return err; } |
7159039a1 [IPV6]: Decentral... |
1173 |
EXPORT_SYMBOL(ipv6_getsockopt); |
3fdadf7d2 [NET]: {get|set}s... |
1174 1175 |
#ifdef CONFIG_COMPAT int compat_ipv6_getsockopt(struct sock *sk, int level, int optname, |
543d9cfee [NET]: Identation... |
1176 |
char __user *optval, int __user *optlen) |
3fdadf7d2 [NET]: {get|set}s... |
1177 1178 1179 1180 |
{ int err; if (level == SOL_IP && sk->sk_type != SOCK_RAW) { |
543d9cfee [NET]: Identation... |
1181 1182 1183 1184 |
if (udp_prot.compat_getsockopt != NULL) return udp_prot.compat_getsockopt(sk, level, optname, optval, optlen); return udp_prot.getsockopt(sk, level, optname, optval, optlen); |
3fdadf7d2 [NET]: {get|set}s... |
1185 |
} |
543d9cfee [NET]: Identation... |
1186 |
if (level != SOL_IPV6) |
3fdadf7d2 [NET]: {get|set}s... |
1187 |
return -ENOPROTOOPT; |
809917903 ipv6: Compilation... |
1188 1189 1190 |
if (optname == MCAST_MSFILTER) return compat_mc_getsockopt(sk, level, optname, optval, optlen, ipv6_getsockopt); |
98e77438a ipv6: Fix ipv6_ge... |
1191 1192 |
err = do_ipv6_getsockopt(sk, level, optname, optval, optlen, MSG_CMSG_COMPAT); |
3fdadf7d2 [NET]: {get|set}s... |
1193 |
#ifdef CONFIG_NETFILTER |
cf6fc4a92 [IPV6]: Fix the r... |
1194 1195 |
/* we need to exclude all possible ENOPROTOOPTs except default case */ if (err == -ENOPROTOOPT && optname != IPV6_2292PKTOPTIONS) { |
3fdadf7d2 [NET]: {get|set}s... |
1196 1197 1198 1199 1200 1201 |
int len; if (get_user(len, optlen)) return -EFAULT; lock_sock(sk); |
543d9cfee [NET]: Identation... |
1202 1203 |
err = compat_nf_getsockopt(sk, PF_INET6, optname, optval, &len); |
3fdadf7d2 [NET]: {get|set}s... |
1204 1205 1206 1207 1208 1209 1210 |
release_sock(sk); if (err >= 0) err = put_user(len, optlen); } #endif return err; } |
543d9cfee [NET]: Identation... |
1211 1212 |
EXPORT_SYMBOL(compat_ipv6_getsockopt); |
3fdadf7d2 [NET]: {get|set}s... |
1213 |
#endif |