From 04afd8b282d702bc122051751466000e9513ef96 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:02:01 -0800 Subject: [SCTP]: Beginning of sin_port fixes. That's going to be a long series. Introduced temporary helpers doing copy-and-convert for sctp_addr; they are used to kill flip-in-place in global data structures and will be used to gradually push host-endian uses of sctp_addr out of existence. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/socket.c | 29 ++++++++++++----------------- 1 file changed, 12 insertions(+), 17 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 935bc9187fd8..f4d13ab79f49 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -228,12 +228,12 @@ static struct sctp_transport *sctp_addr_id2transport(struct sock *sk, struct sctp_association *addr_asoc = NULL, *id_asoc = NULL; struct sctp_transport *transport; union sctp_addr *laddr = (union sctp_addr *)addr; + union sctp_addr tmp; - laddr->v4.sin_port = ntohs(laddr->v4.sin_port); + flip_to_h(&tmp, laddr); addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep, - (union sctp_addr *)addr, + &tmp, &transport); - laddr->v4.sin_port = htons(laddr->v4.sin_port); if (!addr_asoc) return NULL; @@ -313,6 +313,7 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) struct sctp_af *af; unsigned short snum; int ret = 0; + union sctp_addr tmp; /* Common sockaddr verification. */ af = sctp_sockaddr_af(sp, addr, len); @@ -368,9 +369,8 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) sctp_write_lock(&ep->base.addr_lock); /* Use GFP_ATOMIC since BHs are disabled. */ - addr->v4.sin_port = ntohs(addr->v4.sin_port); - ret = sctp_add_bind_addr(bp, addr, 1, GFP_ATOMIC); - addr->v4.sin_port = htons(addr->v4.sin_port); + flip_to_h(&tmp, addr); + ret = sctp_add_bind_addr(bp, &tmp, 1, GFP_ATOMIC); sctp_write_unlock(&ep->base.addr_lock); sctp_local_bh_enable(); @@ -4194,12 +4194,8 @@ static int sctp_getsockopt_primary_addr(struct sock *sk, int len, if (!asoc->peer.primary_path) return -ENOTCONN; - asoc->peer.primary_path->ipaddr.v4.sin_port = - htons(asoc->peer.primary_path->ipaddr.v4.sin_port); - memcpy(&prim.ssp_addr, &asoc->peer.primary_path->ipaddr, - sizeof(union sctp_addr)); - asoc->peer.primary_path->ipaddr.v4.sin_port = - ntohs(asoc->peer.primary_path->ipaddr.v4.sin_port); + flip_to_n((union sctp_addr *)&prim.ssp_addr, + &asoc->peer.primary_path->ipaddr); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, (union sctp_addr *)&prim.ssp_addr); @@ -4642,12 +4638,12 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr) { struct sctp_bind_hashbucket *head; /* hash list */ struct sctp_bind_bucket *pp; /* hash list port iterator */ + union sctp_addr tmp; unsigned short snum; int ret; - /* NOTE: Remember to put this back to net order. */ - addr->v4.sin_port = ntohs(addr->v4.sin_port); - snum = addr->v4.sin_port; + flip_to_h(&tmp, addr); + snum = ntohs(addr->v4.sin_port); SCTP_DEBUG_PRINTK("sctp_get_port() begins, snum=%d\n", snum); sctp_local_bh_disable(); @@ -4744,7 +4740,7 @@ pp_found: if (reuse && sk2->sk_reuse) continue; - if (sctp_bind_addr_match(&ep2->base.bind_addr, addr, + if (sctp_bind_addr_match(&ep2->base.bind_addr, &tmp, sctp_sk(sk))) { ret = (long)sk2; goto fail_unlock; @@ -4784,7 +4780,6 @@ fail_unlock: fail: sctp_local_bh_enable(); - addr->v4.sin_port = htons(addr->v4.sin_port); return ret; } -- cgit v1.2.3 From 30330ee00ce077de9d459c17125573ff618bd7a9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:03:18 -0800 Subject: [SCTP] bug: endianness problem in sctp_getsockopt_sctp_status() Again, invalid sockaddr passed to userland - host-endiand sin_port. Potential leak, again, but less dramatic than in previous case. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/socket.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/socket.c b/net/sctp/socket.c index f4d13ab79f49..b6e038a387c2 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3217,8 +3217,8 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len, status.sstat_outstrms = asoc->c.sinit_num_ostreams; status.sstat_fragmentation_point = asoc->frag_point; status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc); - memcpy(&status.sstat_primary.spinfo_address, - &(transport->ipaddr), sizeof(union sctp_addr)); + flip_to_n((union sctp_addr *)&status.sstat_primary.spinfo_address, + &transport->ipaddr); /* Map ipv4 address into v4-mapped-on-v6 address. */ sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), (union sctp_addr *)&status.sstat_primary.spinfo_address); -- cgit v1.2.3 From 09ef7fecea40c5e4c0dfe35bed3f0ed8da554cf5 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:04:10 -0800 Subject: [SCTP]: Beginning of conversion to net-endian for embedded sctp_addr. Part 1: rename sctp_chunk->source, sctp_sockaddr_entry->a, sctp_transport->ipaddr and sctp_transport->saddr (to ..._h) The next patch will reintroduce these fields and keep them as net-endian mirrors of the original (renamed) ones. Split in two patches to make sure that we hadn't forgotten any instanes. Later in the series we'll eliminate uses of host-endian variants (basically switching users to net-endian counterparts as we progress through that mess). Then host-endian ones will die. Other embedded host-endian sctp_addr will be easier to switch directly, so we leave them alone for now. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- include/net/sctp/structs.h | 8 ++++---- net/sctp/associola.c | 30 +++++++++++++++--------------- net/sctp/bind_addr.c | 22 +++++++++++----------- net/sctp/endpointola.c | 2 +- net/sctp/ipv6.c | 24 ++++++++++++------------ net/sctp/proc.c | 6 +++--- net/sctp/protocol.c | 20 ++++++++++---------- net/sctp/sm_make_chunk.c | 8 ++++---- net/sctp/sm_sideeffect.c | 8 ++++---- net/sctp/sm_statefuns.c | 8 ++++---- net/sctp/socket.c | 32 ++++++++++++++++---------------- net/sctp/transport.c | 14 +++++++------- 12 files changed, 91 insertions(+), 91 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 2aa61ac9a9f3..953a73f9689c 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -713,7 +713,7 @@ struct sctp_chunk { unsigned long sent_at; /* What is the origin IP address for this chunk? */ - union sctp_addr source; + union sctp_addr source_h; /* Destination address for this chunk. */ union sctp_addr dest; @@ -756,7 +756,7 @@ const union sctp_addr *sctp_source(const struct sctp_chunk *chunk); /* This is a structure for holding either an IPv6 or an IPv4 address. */ struct sctp_sockaddr_entry { struct list_head list; - union sctp_addr a; + union sctp_addr a_h; __u8 use_as_src; }; @@ -842,7 +842,7 @@ struct sctp_transport { int dead; /* This is the peer's IP address and port. */ - union sctp_addr ipaddr; + union sctp_addr ipaddr_h; /* These are the functions we call to handle LLP stuff. */ struct sctp_af *af_specific; @@ -900,7 +900,7 @@ struct sctp_transport { /* Destination */ struct dst_entry *dst; /* Source address. */ - union sctp_addr saddr; + union sctp_addr saddr_h; /* When was the last time(in jiffies) that a data packet was sent on * this transport? This is used to adjust the cwnd when the transport diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 746b0b0f5ace..83318e727905 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -442,7 +442,7 @@ void sctp_assoc_set_primary(struct sctp_association *asoc, asoc->peer.primary_path = transport; /* Set a default msg_name for events. */ - memcpy(&asoc->peer.primary_addr, &transport->ipaddr, + memcpy(&asoc->peer.primary_addr, &transport->ipaddr_h, sizeof(union sctp_addr)); /* If the primary path is changing, assume that the @@ -487,8 +487,8 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc, SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_rm_peer:association %p addr: ", " port: %d\n", asoc, - (&peer->ipaddr), - peer->ipaddr.v4.sin_port); + (&peer->ipaddr_h), + peer->ipaddr_h.v4.sin_port); /* If we are to remove the current retran_path, update it * to the next peer before removing this peer from the list. @@ -669,7 +669,7 @@ void sctp_assoc_del_peer(struct sctp_association *asoc, list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { transport = list_entry(pos, struct sctp_transport, transports); - if (sctp_cmp_addr_exact(addr, &transport->ipaddr)) { + if (sctp_cmp_addr_exact(addr, &transport->ipaddr_h)) { /* Do book keeping for removing the peer and free it. */ sctp_assoc_rm_peer(asoc, transport); break; @@ -689,7 +689,7 @@ struct sctp_transport *sctp_assoc_lookup_paddr( list_for_each(pos, &asoc->peer.transport_addr_list) { t = list_entry(pos, struct sctp_transport, transports); - if (sctp_cmp_addr_exact(address, &t->ipaddr)) + if (sctp_cmp_addr_exact(address, &t->ipaddr_h)) return t; } @@ -733,7 +733,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, * user. */ memset(&addr, 0, sizeof(struct sockaddr_storage)); - flip_to_n((union sctp_addr *)&addr, &transport->ipaddr); + flip_to_n((union sctp_addr *)&addr, &transport->ipaddr_h); event = sctp_ulpevent_make_peer_addr_change(asoc, &addr, 0, spc_state, error, GFP_ATOMIC); if (event) @@ -1043,8 +1043,8 @@ void sctp_assoc_update(struct sctp_association *asoc, /* Remove any peer addresses not present in the new association. */ list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { trans = list_entry(pos, struct sctp_transport, transports); - if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr)) - sctp_assoc_del_peer(asoc, &trans->ipaddr); + if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr_h)) + sctp_assoc_del_peer(asoc, &trans->ipaddr_h); } /* If the case is A (association restart), use @@ -1067,8 +1067,8 @@ void sctp_assoc_update(struct sctp_association *asoc, list_for_each(pos, &new->peer.transport_addr_list) { trans = list_entry(pos, struct sctp_transport, transports); - if (!sctp_assoc_lookup_paddr(asoc, &trans->ipaddr)) - sctp_assoc_add_peer(asoc, &trans->ipaddr, + if (!sctp_assoc_lookup_paddr(asoc, &trans->ipaddr_h)) + sctp_assoc_add_peer(asoc, &trans->ipaddr_h, GFP_ATOMIC, trans->state); } @@ -1136,8 +1136,8 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc) " %p addr: ", " port: %d\n", asoc, - (&t->ipaddr), - t->ipaddr.v4.sin_port); + (&t->ipaddr_h), + t->ipaddr_h.v4.sin_port); } /* Choose the transport for sending a INIT packet. */ @@ -1161,8 +1161,8 @@ struct sctp_transport *sctp_assoc_choose_init_transport( " %p addr: ", " port: %d\n", asoc, - (&t->ipaddr), - t->ipaddr.v4.sin_port); + (&t->ipaddr_h), + t->ipaddr_h.v4.sin_port); return t; } @@ -1307,7 +1307,7 @@ int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc, /* Use scoping rules to determine the subset of addresses from * the endpoint. */ - scope = sctp_scope(&asoc->peer.active_path->ipaddr); + scope = sctp_scope(&asoc->peer.active_path->ipaddr_h); flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0; if (asoc->peer.ipv4_address) flags |= SCTP_ADDR4_PEERSUPP; diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index 23b5b664a8a0..b8115cb31ae3 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -77,7 +77,7 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest, /* Extract the addresses which are relevant for this scope. */ list_for_each(pos, &src->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - error = sctp_copy_one_addr(dest, &addr->a, scope, + error = sctp_copy_one_addr(dest, &addr->a_h, scope, gfp, flags); if (error < 0) goto out; @@ -91,7 +91,7 @@ int sctp_bind_addr_copy(struct sctp_bind_addr *dest, list_for_each(pos, &src->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - error = sctp_copy_one_addr(dest, &addr->a, + error = sctp_copy_one_addr(dest, &addr->a_h, SCTP_SCOPE_LINK, gfp, flags); if (error < 0) @@ -155,13 +155,13 @@ int sctp_add_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *new, if (!addr) return -ENOMEM; - memcpy(&addr->a, new, sizeof(*new)); + memcpy(&addr->a_h, new, sizeof(*new)); /* Fix up the port if it has not yet been set. * Both v4 and v6 have the port at the same offset. */ - if (!addr->a.v4.sin_port) - addr->a.v4.sin_port = bp->port; + if (!addr->a_h.v4.sin_port) + addr->a_h.v4.sin_port = bp->port; addr->use_as_src = use_as_src; @@ -182,7 +182,7 @@ int sctp_del_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *del_addr) list_for_each_safe(pos, temp, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&addr->a, del_addr)) { + if (sctp_cmp_addr_exact(&addr->a_h, del_addr)) { /* Found the exact match. */ list_del(pos); kfree(addr); @@ -237,8 +237,8 @@ union sctp_params sctp_bind_addrs_to_raw(const struct sctp_bind_addr *bp, list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - af = sctp_get_af_specific(addr->a.v4.sin_family); - len = af->to_addr_param(&addr->a, &rawaddr); + af = sctp_get_af_specific(addr->a_h.v4.sin_family); + len = af->to_addr_param(&addr->a_h, &rawaddr); memcpy(addrparms.v, &rawaddr, len); addrparms.v += len; addrparms_len += len; @@ -305,7 +305,7 @@ int sctp_bind_addr_match(struct sctp_bind_addr *bp, list_for_each(pos, &bp->address_list) { laddr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (opt->pf->cmp_addr(&laddr->a, addr, opt)) + if (opt->pf->cmp_addr(&laddr->a_h, addr, opt)) return 1; } @@ -339,13 +339,13 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr *bp, return NULL; flip_to_h(&tmp, addr); - if (opt->pf->cmp_addr(&laddr->a, &tmp, opt)) + if (opt->pf->cmp_addr(&laddr->a_h, &tmp, opt)) break; addr_buf += af->sockaddr_len; } if (i == addrcnt) - return &laddr->a; + return &laddr->a_h; } return NULL; diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 090f2b2a0cab..75904b037ec6 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -305,7 +305,7 @@ int sctp_endpoint_is_peeled_off(struct sctp_endpoint *ep, bp = &ep->base.bind_addr; list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_has_association(&addr->a, paddr)) { + if (sctp_has_association(&addr->a_h, paddr)) { sctp_read_unlock(&ep->base.addr_lock); return 1; } diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 1f9f5ec07595..e533970fa335 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -161,17 +161,17 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport, /* Fill in the dest address from the route entry passed with the skb * and the source address from the transport. */ - ipv6_addr_copy(&fl.fl6_dst, &transport->ipaddr.v6.sin6_addr); - ipv6_addr_copy(&fl.fl6_src, &transport->saddr.v6.sin6_addr); + ipv6_addr_copy(&fl.fl6_dst, &transport->ipaddr_h.v6.sin6_addr); + ipv6_addr_copy(&fl.fl6_src, &transport->saddr_h.v6.sin6_addr); fl.fl6_flowlabel = np->flow_label; IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel); if (ipv6_addr_type(&fl.fl6_src) & IPV6_ADDR_LINKLOCAL) - fl.oif = transport->saddr.v6.sin6_scope_id; + fl.oif = transport->saddr_h.v6.sin6_scope_id; else fl.oif = sk->sk_bound_dev_if; fl.fl_ip_sport = inet_sk(sk)->sport; - fl.fl_ip_dport = transport->ipaddr.v6.sin6_port; + fl.fl_ip_dport = transport->ipaddr_h.v6.sin6_port; if (np->opt && np->opt->srcrt) { struct rt0_hdr *rt0 = (struct rt0_hdr *) np->opt->srcrt; @@ -290,11 +290,11 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc, list_for_each(pos, &bp->address_list) { laddr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((laddr->use_as_src) && - (laddr->a.sa.sa_family == AF_INET6) && - (scope <= sctp_scope(&laddr->a))) { - bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a); + (laddr->a_h.sa.sa_family == AF_INET6) && + (scope <= sctp_scope(&laddr->a_h))) { + bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a_h); if (!baddr || (matchlen < bmatchlen)) { - baddr = &laddr->a; + baddr = &laddr->a_h; matchlen = bmatchlen; } } @@ -332,10 +332,10 @@ static void sctp_v6_copy_addrlist(struct list_head *addrlist, /* Add the address to the local list. */ addr = t_new(struct sctp_sockaddr_entry, GFP_ATOMIC); if (addr) { - addr->a.v6.sin6_family = AF_INET6; - addr->a.v6.sin6_port = 0; - addr->a.v6.sin6_addr = ifp->addr; - addr->a.v6.sin6_scope_id = dev->ifindex; + addr->a_h.v6.sin6_family = AF_INET6; + addr->a_h.v6.sin6_port = 0; + addr->a_h.v6.sin6_addr = ifp->addr; + addr->a_h.v6.sin6_scope_id = dev->ifindex; INIT_LIST_HEAD(&addr->list); list_add_tail(&addr->list, addrlist); } diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 7f49e769080e..47ccec565a24 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -155,12 +155,12 @@ static void sctp_seq_dump_local_addrs(struct seq_file *seq, struct sctp_ep_commo if (epb->type == SCTP_EP_TYPE_ASSOCIATION) { asoc = sctp_assoc(epb); peer = asoc->peer.primary_path; - primary = &peer->saddr; + primary = &peer->saddr_h; } list_for_each(pos, &epb->bind_addr.address_list) { laddr = list_entry(pos, struct sctp_sockaddr_entry, list); - addr = (union sctp_addr *)&laddr->a; + addr = (union sctp_addr *)&laddr->a_h; af = sctp_get_af_specific(addr->sa.sa_family); if (primary && af->cmp_addr(addr, primary)) { seq_printf(seq, "*"); @@ -180,7 +180,7 @@ static void sctp_seq_dump_remote_addrs(struct seq_file *seq, struct sctp_associa primary = &(assoc->peer.primary_addr); list_for_each(pos, &assoc->peer.transport_addr_list) { transport = list_entry(pos, struct sctp_transport, transports); - addr = (union sctp_addr *)&transport->ipaddr; + addr = (union sctp_addr *)&transport->ipaddr_h; af = sctp_get_af_specific(addr->sa.sa_family); if (af->cmp_addr(addr, primary)) { seq_printf(seq, "*"); diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 4310e7fac443..20883ffd51d9 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -150,9 +150,9 @@ static void sctp_v4_copy_addrlist(struct list_head *addrlist, /* Add the address to the local list. */ addr = t_new(struct sctp_sockaddr_entry, GFP_ATOMIC); if (addr) { - addr->a.v4.sin_family = AF_INET; - addr->a.v4.sin_port = 0; - addr->a.v4.sin_addr.s_addr = ifa->ifa_local; + addr->a_h.v4.sin_family = AF_INET; + addr->a_h.v4.sin_port = 0; + addr->a_h.v4.sin_addr.s_addr = ifa->ifa_local; list_add_tail(&addr->list, addrlist); } } @@ -223,17 +223,17 @@ int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope, sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_in_scope(&addr->a, scope)) { + if (sctp_in_scope(&addr->a_h, scope)) { /* Now that the address is in scope, check to see if * the address type is really supported by the local * sock as well as the remote peer. */ - if ((((AF_INET == addr->a.sa.sa_family) && + if ((((AF_INET == addr->a_h.sa.sa_family) && (copy_flags & SCTP_ADDR4_PEERSUPP))) || - (((AF_INET6 == addr->a.sa.sa_family) && + (((AF_INET6 == addr->a_h.sa.sa_family) && (copy_flags & SCTP_ADDR6_ALLOWED) && (copy_flags & SCTP_ADDR6_PEERSUPP)))) { - error = sctp_add_bind_addr(bp, &addr->a, 1, + error = sctp_add_bind_addr(bp, &addr->a_h, 1, GFP_ATOMIC); if (error) goto end_copy; @@ -482,7 +482,7 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc, if (!laddr->use_as_src) continue; sctp_v4_dst_saddr(&dst_saddr, dst, bp->port); - if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a)) + if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a_h)) goto out_unlock; } sctp_read_unlock(addr_lock); @@ -502,8 +502,8 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc, laddr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((laddr->use_as_src) && - (AF_INET == laddr->a.sa.sa_family)) { - fl.fl4_src = laddr->a.v4.sin_addr.s_addr; + (AF_INET == laddr->a_h.sa.sa_family)) { + fl.fl4_src = laddr->a_h.v4.sin_addr.s_addr; if (!ip_route_output_key(&rt, &fl)) { dst = &rt->u.dst; goto out_unlock; diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index ccbba6b24d1d..13109cfc3ae5 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1031,7 +1031,7 @@ nodata: void sctp_init_addrs(struct sctp_chunk *chunk, union sctp_addr *src, union sctp_addr *dest) { - memcpy(&chunk->source, src, sizeof(union sctp_addr)); + memcpy(&chunk->source_h, src, sizeof(union sctp_addr)); memcpy(&chunk->dest, dest, sizeof(union sctp_addr)); } @@ -1040,10 +1040,10 @@ const union sctp_addr *sctp_source(const struct sctp_chunk *chunk) { /* If we have a known transport, use that. */ if (chunk->transport) { - return &chunk->transport->ipaddr; + return &chunk->transport->ipaddr_h; } else { /* Otherwise, extract it from the IP header. */ - return &chunk->source; + return &chunk->source_h; } } @@ -2594,7 +2594,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, sctp_write_lock(&asoc->base.addr_lock); list_for_each(pos, &bp->address_list) { saddr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&saddr->a, &addr)) + if (sctp_cmp_addr_exact(&saddr->a_h, &addr)) saddr->use_as_src = 1; } sctp_write_unlock(&asoc->base.addr_lock); diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 2423b8ef9ce0..e1c5cddf32da 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -441,8 +441,8 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc, SCTP_DEBUG_PRINTK_IPADDR("transport_strike:association %p", " transport IP: port:%d failed.\n", asoc, - (&transport->ipaddr), - transport->ipaddr.v4.sin_port); + (&transport->ipaddr_h), + transport->ipaddr_h.v4.sin_port); sctp_assoc_control_transport(asoc, transport, SCTP_TRANSPORT_DOWN, SCTP_FAILED_THRESHOLD); @@ -833,9 +833,9 @@ static void sctp_cmd_del_non_primary(struct sctp_association *asoc) list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { t = list_entry(pos, struct sctp_transport, transports); - if (!sctp_cmp_addr_exact(&t->ipaddr, + if (!sctp_cmp_addr_exact(&t->ipaddr_h, &asoc->peer.primary_addr)) { - sctp_assoc_del_peer(asoc, &t->ipaddr); + sctp_assoc_del_peer(asoc, &t->ipaddr_h); } } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index b70e3258b6d3..f46072767549 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -852,7 +852,7 @@ static sctp_disposition_t sctp_sf_heartbeat(const struct sctp_endpoint *ep, hbinfo.param_hdr.type = SCTP_PARAM_HEARTBEAT_INFO; hbinfo.param_hdr.length = htons(sizeof(sctp_sender_hb_info_t)); - hbinfo.daddr = transport->ipaddr; + hbinfo.daddr = transport->ipaddr_h; hbinfo.sent_at = jiffies; hbinfo.hb_nonce = transport->hb_nonce; @@ -1167,8 +1167,8 @@ static int sctp_sf_check_restart_addrs(const struct sctp_association *new_asoc, list_for_each(pos2, &asoc->peer.transport_addr_list) { addr = list_entry(pos2, struct sctp_transport, transports); - if (sctp_cmp_addr_exact(&new_addr->ipaddr, - &addr->ipaddr)) { + if (sctp_cmp_addr_exact(&new_addr->ipaddr_h, + &addr->ipaddr_h)) { found = 1; break; } @@ -1179,7 +1179,7 @@ static int sctp_sf_check_restart_addrs(const struct sctp_association *new_asoc, /* If a new address was added, ABORT the sender. */ if (!found && new_addr) { - sctp_sf_send_restart_abort(&new_addr->ipaddr, init, commands); + sctp_sf_send_restart_abort(&new_addr->ipaddr_h, init, commands); } /* Return success if all addresses were found. */ diff --git a/net/sctp/socket.c b/net/sctp/socket.c index b6e038a387c2..459f32c5c3ae 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -551,7 +551,7 @@ static int sctp_send_asconf_add_ip(struct sock *sk, laddr = list_entry(p, struct sctp_sockaddr_entry, list); sctp_read_unlock(&asoc->base.addr_lock); - chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs, + chunk = sctp_make_asconf_update_ip(asoc, &laddr->a_h, addrs, addrcnt, SCTP_PARAM_ADD_IP); if (!chunk) { retval = -ENOMEM; @@ -779,7 +779,7 @@ static int sctp_send_asconf_del_ip(struct sock *sk, saddr = list_entry(pos1, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&saddr->a, &saveaddr)) + if (sctp_cmp_addr_exact(&saddr->a_h, &saveaddr)) saddr->use_as_src = 0; } addr_buf += af->sockaddr_len; @@ -3218,7 +3218,7 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len, status.sstat_fragmentation_point = asoc->frag_point; status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc); flip_to_n((union sctp_addr *)&status.sstat_primary.spinfo_address, - &transport->ipaddr); + &transport->ipaddr_h); /* Map ipv4 address into v4-mapped-on-v6 address. */ sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), (union sctp_addr *)&status.sstat_primary.spinfo_address); @@ -3767,7 +3767,7 @@ static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len, to = (void __user *)getaddrs.addrs; list_for_each(pos, &asoc->peer.transport_addr_list) { from = list_entry(pos, struct sctp_transport, transports); - memcpy(&temp, &from->ipaddr, sizeof(temp)); + memcpy(&temp, &from->ipaddr_h, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len; temp.v4.sin_port = htons(temp.v4.sin_port); @@ -3816,7 +3816,7 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len, list_for_each(pos, &asoc->peer.transport_addr_list) { from = list_entry(pos, struct sctp_transport, transports); - memcpy(&temp, &from->ipaddr, sizeof(temp)); + memcpy(&temp, &from->ipaddr_h, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len; if(space_left < addrlen) @@ -3882,14 +3882,14 @@ static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len, if (sctp_list_single_entry(&bp->address_list)) { addr = list_entry(bp->address_list.next, struct sctp_sockaddr_entry, list); - if (sctp_is_any(&addr->a)) { + if (sctp_is_any(&addr->a_h)) { sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && - (AF_INET6 == addr->a.sa.sa_family)) + (AF_INET6 == addr->a_h.sa.sa_family)) continue; cnt++; } @@ -3927,9 +3927,9 @@ static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_add list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && - (AF_INET6 == addr->a.sa.sa_family)) + (AF_INET6 == addr->a_h.sa.sa_family)) continue; - memcpy(&temp, &addr->a, sizeof(temp)); + memcpy(&temp, &addr->a_h, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; @@ -3962,9 +3962,9 @@ static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && - (AF_INET6 == addr->a.sa.sa_family)) + (AF_INET6 == addr->a_h.sa.sa_family)) continue; - memcpy(&temp, &addr->a, sizeof(temp)); + memcpy(&temp, &addr->a_h, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; @@ -4038,7 +4038,7 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len, if (sctp_list_single_entry(&bp->address_list)) { addr = list_entry(bp->address_list.next, struct sctp_sockaddr_entry, list); - if (sctp_is_any(&addr->a)) { + if (sctp_is_any(&addr->a_h)) { cnt = sctp_copy_laddrs_to_user_old(sk, bp->port, getaddrs.addr_num, to); @@ -4052,7 +4052,7 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len, list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - memcpy(&temp, &addr->a, sizeof(temp)); + memcpy(&temp, &addr->a_h, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; temp.v4.sin_port = htons(temp.v4.sin_port); @@ -4128,7 +4128,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len, if (sctp_list_single_entry(&bp->address_list)) { addr = list_entry(bp->address_list.next, struct sctp_sockaddr_entry, list); - if (sctp_is_any(&addr->a)) { + if (sctp_is_any(&addr->a_h)) { cnt = sctp_copy_laddrs_to_user(sk, bp->port, &to, space_left); if (cnt < 0) { @@ -4141,7 +4141,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len, list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - memcpy(&temp, &addr->a, sizeof(temp)); + memcpy(&temp, &addr->a_h, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; if(space_left < addrlen) @@ -4195,7 +4195,7 @@ static int sctp_getsockopt_primary_addr(struct sock *sk, int len, return -ENOTCONN; flip_to_n((union sctp_addr *)&prim.ssp_addr, - &asoc->peer.primary_path->ipaddr); + &asoc->peer.primary_path->ipaddr_h); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, (union sctp_addr *)&prim.ssp_addr); diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 3e5936a5f671..1f56c9d95739 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -61,12 +61,12 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer, gfp_t gfp) { /* Copy in the address. */ - peer->ipaddr = *addr; + peer->ipaddr_h = *addr; peer->af_specific = sctp_get_af_specific(addr->sa.sa_family); peer->asoc = NULL; peer->dst = NULL; - memset(&peer->saddr, 0, sizeof(union sctp_addr)); + memset(&peer->saddr_h, 0, sizeof(union sctp_addr)); /* From 6.3.1 RTO Calculation: * @@ -232,7 +232,7 @@ void sctp_transport_pmtu(struct sctp_transport *transport) { struct dst_entry *dst; - dst = transport->af_specific->get_dst(NULL, &transport->ipaddr, NULL); + dst = transport->af_specific->get_dst(NULL, &transport->ipaddr_h, NULL); if (dst) { transport->pathmtu = dst_mtu(dst); @@ -249,15 +249,15 @@ void sctp_transport_route(struct sctp_transport *transport, { struct sctp_association *asoc = transport->asoc; struct sctp_af *af = transport->af_specific; - union sctp_addr *daddr = &transport->ipaddr; + union sctp_addr *daddr = &transport->ipaddr_h; struct dst_entry *dst; dst = af->get_dst(asoc, daddr, saddr); if (saddr) - memcpy(&transport->saddr, saddr, sizeof(union sctp_addr)); + memcpy(&transport->saddr_h, saddr, sizeof(union sctp_addr)); else - af->get_saddr(asoc, dst, daddr, &transport->saddr); + af->get_saddr(asoc, dst, daddr, &transport->saddr_h); transport->dst = dst; if ((transport->param_flags & SPP_PMTUD_DISABLE) && transport->pathmtu) { @@ -270,7 +270,7 @@ void sctp_transport_route(struct sctp_transport *transport, * association's active path for getsockname(). */ if (asoc && (transport == asoc->peer.active_path)) - opt->pf->af->to_sk_saddr(&transport->saddr, + opt->pf->af->to_sk_saddr(&transport->saddr_h, asoc->base.sk); } else transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT; -- cgit v1.2.3 From 5f242a13e8505e0f3efd3113da6e029f6e7dfa32 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:05:23 -0800 Subject: [SCTP]: Switch ->cmp_addr() and sctp_cmp_addr_exact() to net-endian. instances of ->cmp_addr() are fine with switching both arguments to net-endian; callers other than in sctp_cmp_addr_exact() (both as ->cmp_addr(...) and direct calls of instances) adjusted; sctp_cmp_addr_exact() switched to net-endian itself and adjustment is done in its callers Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/associola.c | 9 +++++++-- net/sctp/bind_addr.c | 13 ++++++++----- net/sctp/proc.c | 14 ++++++++------ net/sctp/protocol.c | 4 +++- net/sctp/sm_make_chunk.c | 11 ++++++++--- net/sctp/sm_sideeffect.c | 6 ++++-- net/sctp/sm_statefuns.c | 4 ++-- net/sctp/socket.c | 5 +---- 8 files changed, 41 insertions(+), 25 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 83318e727905..72199d149573 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -666,10 +666,13 @@ void sctp_assoc_del_peer(struct sctp_association *asoc, struct list_head *pos; struct list_head *temp; struct sctp_transport *transport; + union sctp_addr tmp; + + flip_to_n(&tmp, addr); list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { transport = list_entry(pos, struct sctp_transport, transports); - if (sctp_cmp_addr_exact(addr, &transport->ipaddr_h)) { + if (sctp_cmp_addr_exact(&tmp, &transport->ipaddr)) { /* Do book keeping for removing the peer and free it. */ sctp_assoc_rm_peer(asoc, transport); break; @@ -684,12 +687,14 @@ struct sctp_transport *sctp_assoc_lookup_paddr( { struct sctp_transport *t; struct list_head *pos; + union sctp_addr tmp; + flip_to_n(&tmp, address); /* Cycle through all transports searching for a peer address. */ list_for_each(pos, &asoc->peer.transport_addr_list) { t = list_entry(pos, struct sctp_transport, transports); - if (sctp_cmp_addr_exact(address, &t->ipaddr_h)) + if (sctp_cmp_addr_exact(&tmp, &t->ipaddr)) return t; } diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index 2b36e4238170..9085e531d575 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -181,10 +181,13 @@ int sctp_del_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *del_addr) { struct list_head *pos, *temp; struct sctp_sockaddr_entry *addr; + union sctp_addr tmp; + + flip_to_n(&tmp, del_addr); list_for_each_safe(pos, temp, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&addr->a_h, del_addr)) { + if (sctp_cmp_addr_exact(&addr->a, &tmp)) { /* Found the exact match. */ list_del(pos); kfree(addr); @@ -304,10 +307,12 @@ int sctp_bind_addr_match(struct sctp_bind_addr *bp, { struct sctp_sockaddr_entry *laddr; struct list_head *pos; + union sctp_addr tmp; + flip_to_n(&tmp, addr); list_for_each(pos, &bp->address_list) { laddr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (opt->pf->cmp_addr(&laddr->a_h, addr, opt)) + if (opt->pf->cmp_addr(&laddr->a, &tmp, opt)) return 1; } @@ -334,14 +339,12 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr *bp, addr_buf = (union sctp_addr *)addrs; for (i = 0; i < addrcnt; i++) { - union sctp_addr tmp; addr = (union sctp_addr *)addr_buf; af = sctp_get_af_specific(addr->v4.sin_family); if (!af) return NULL; - flip_to_h(&tmp, addr); - if (opt->pf->cmp_addr(&laddr->a_h, &tmp, opt)) + if (opt->pf->cmp_addr(&laddr->a, addr, opt)) break; addr_buf += af->sockaddr_len; diff --git a/net/sctp/proc.c b/net/sctp/proc.c index bf0144ed3e3a..04faa4a706d4 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -155,17 +155,17 @@ static void sctp_seq_dump_local_addrs(struct seq_file *seq, struct sctp_ep_commo if (epb->type == SCTP_EP_TYPE_ASSOCIATION) { asoc = sctp_assoc(epb); peer = asoc->peer.primary_path; - primary = &peer->saddr_h; + primary = &peer->saddr; } list_for_each(pos, &epb->bind_addr.address_list) { laddr = list_entry(pos, struct sctp_sockaddr_entry, list); - addr = (union sctp_addr *)&laddr->a_h; + addr = &laddr->a; af = sctp_get_af_specific(addr->sa.sa_family); if (primary && af->cmp_addr(addr, primary)) { seq_printf(seq, "*"); } - af->seq_dump_addr(seq, &laddr->a); + af->seq_dump_addr(seq, addr); } } @@ -175,17 +175,19 @@ static void sctp_seq_dump_remote_addrs(struct seq_file *seq, struct sctp_associa struct list_head *pos; struct sctp_transport *transport; union sctp_addr *addr, *primary; + union sctp_addr tmp; struct sctp_af *af; primary = &(assoc->peer.primary_addr); + flip_to_n(&tmp, primary); list_for_each(pos, &assoc->peer.transport_addr_list) { transport = list_entry(pos, struct sctp_transport, transports); - addr = (union sctp_addr *)&transport->ipaddr_h; + addr = &transport->ipaddr; af = sctp_get_af_specific(addr->sa.sa_family); - if (af->cmp_addr(addr, primary)) { + if (af->cmp_addr(addr, &tmp)) { seq_printf(seq, "*"); } - af->seq_dump_addr(seq, &transport->ipaddr); + af->seq_dump_addr(seq, addr); } } diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 363274045032..2db140e901d0 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -478,12 +478,14 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc, */ sctp_read_lock(addr_lock); list_for_each(pos, &bp->address_list) { + union sctp_addr tmp; laddr = list_entry(pos, struct sctp_sockaddr_entry, list); if (!laddr->use_as_src) continue; sctp_v4_dst_saddr(&dst_saddr, dst, bp->port); - if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a_h)) + flip_to_n(&tmp, &dst_saddr); + if (sctp_v4_cmp_addr(&tmp, &laddr->a)) goto out_unlock; } sctp_read_unlock(addr_lock); diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index b8e0f72b319f..ee907ea7eed1 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2414,7 +2414,8 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, union sctp_addr addr; struct list_head *pos; union sctp_addr_param *addr_param; - + union sctp_addr tmp, tmp_addr; + addr_param = (union sctp_addr_param *) ((void *)asconf_param + sizeof(sctp_addip_param_t)); @@ -2423,6 +2424,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, return SCTP_ERROR_INV_PARAM; af->from_addr_param(&addr, addr_param, asoc->peer.port, 0); + flip_to_n(&tmp_addr, &addr); switch (asconf_param->param_hdr.type) { case SCTP_PARAM_ADD_IP: /* ADDIP 4.3 D9) If an endpoint receives an ADD IP address @@ -2457,7 +2459,8 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, * an Error Cause TLV set to the new error code 'Request to * Delete Source IP Address' */ - if (sctp_cmp_addr_exact(sctp_source(asconf), &addr)) + flip_to_n(&tmp, sctp_source(asconf)); + if (sctp_cmp_addr_exact(&tmp, &tmp_addr)) return SCTP_ERROR_DEL_SRC_IP; sctp_assoc_del_peer(asoc, &addr); @@ -2581,6 +2584,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, struct sctp_transport *transport; struct sctp_sockaddr_entry *saddr; int retval = 0; + union sctp_addr tmp; addr_param = (union sctp_addr_param *) ((void *)asconf_param + sizeof(sctp_addip_param_t)); @@ -2588,6 +2592,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, /* We have checked the packet before, so we do not check again. */ af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type)); af->from_addr_param(&addr, addr_param, bp->port, 0); + flip_to_n(&tmp, &addr); switch (asconf_param->param_hdr.type) { case SCTP_PARAM_ADD_IP: @@ -2595,7 +2600,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, sctp_write_lock(&asoc->base.addr_lock); list_for_each(pos, &bp->address_list) { saddr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&saddr->a_h, &addr)) + if (sctp_cmp_addr_exact(&saddr->a, &tmp)) saddr->use_as_src = 1; } sctp_write_unlock(&asoc->base.addr_lock); diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index e1c5cddf32da..3d9213dfaa10 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -830,11 +830,13 @@ static void sctp_cmd_del_non_primary(struct sctp_association *asoc) struct sctp_transport *t; struct list_head *pos; struct list_head *temp; + union sctp_addr tmp; + flip_to_n(&tmp, &asoc->peer.primary_addr); list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { t = list_entry(pos, struct sctp_transport, transports); - if (!sctp_cmp_addr_exact(&t->ipaddr_h, - &asoc->peer.primary_addr)) { + if (!sctp_cmp_addr_exact(&t->ipaddr, + &tmp)) { sctp_assoc_del_peer(asoc, &t->ipaddr_h); } } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index f46072767549..ac776fd20667 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1167,8 +1167,8 @@ static int sctp_sf_check_restart_addrs(const struct sctp_association *new_asoc, list_for_each(pos2, &asoc->peer.transport_addr_list) { addr = list_entry(pos2, struct sctp_transport, transports); - if (sctp_cmp_addr_exact(&new_addr->ipaddr_h, - &addr->ipaddr_h)) { + if (sctp_cmp_addr_exact(&new_addr->ipaddr, + &addr->ipaddr)) { found = 1; break; } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 459f32c5c3ae..e03ba9055eb1 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -693,7 +693,6 @@ static int sctp_send_asconf_del_ip(struct sock *sk, struct sctp_bind_addr *bp; struct sctp_chunk *chunk; union sctp_addr *laddr; - union sctp_addr saveaddr; void *addr_buf; struct sctp_af *af; struct list_head *pos, *pos1; @@ -773,13 +772,11 @@ static int sctp_send_asconf_del_ip(struct sock *sk, for (i = 0; i < addrcnt; i++) { laddr = (union sctp_addr *)addr_buf; af = sctp_get_af_specific(laddr->v4.sin_family); - memcpy(&saveaddr, laddr, af->sockaddr_len); - saveaddr.v4.sin_port = ntohs(saveaddr.v4.sin_port); list_for_each(pos1, &bp->address_list) { saddr = list_entry(pos1, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&saddr->a_h, &saveaddr)) + if (sctp_cmp_addr_exact(&saddr->a, laddr)) saddr->use_as_src = 0; } addr_buf += af->sockaddr_len; -- cgit v1.2.3 From 7e1e4a2b9dcc63ac3328f786f9d98bde90c8fc6c Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:05:43 -0800 Subject: [SCTP]: Switch sctp_bind_addr_match() to net-endian. Callers adjusted. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/associola.c | 8 ++++---- net/sctp/bind_addr.c | 4 +--- net/sctp/endpointola.c | 4 +++- net/sctp/socket.c | 4 +--- 4 files changed, 9 insertions(+), 11 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 72199d149573..8d841f16dcbd 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -930,6 +930,8 @@ struct sctp_transport *sctp_assoc_is_match(struct sctp_association *asoc, const union sctp_addr *paddr) { struct sctp_transport *transport; + union sctp_addr tmp; + flip_to_n(&tmp, laddr); sctp_read_lock(&asoc->base.addr_lock); @@ -939,7 +941,7 @@ struct sctp_transport *sctp_assoc_is_match(struct sctp_association *asoc, if (!transport) goto out; - if (sctp_bind_addr_match(&asoc->base.bind_addr, laddr, + if (sctp_bind_addr_match(&asoc->base.bind_addr, &tmp, sctp_sk(asoc->base.sk))) goto out; } @@ -1342,12 +1344,10 @@ int sctp_assoc_lookup_laddr(struct sctp_association *asoc, const union sctp_addr *laddr) { int found; - union sctp_addr tmp; - flip_to_h(&tmp, laddr); sctp_read_lock(&asoc->base.addr_lock); if ((asoc->base.bind_addr.port == ntohs(laddr->v4.sin_port)) && - sctp_bind_addr_match(&asoc->base.bind_addr, &tmp, + sctp_bind_addr_match(&asoc->base.bind_addr, laddr, sctp_sk(asoc->base.sk))) { found = 1; goto out; diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index 9085e531d575..442d891f68ea 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -307,12 +307,10 @@ int sctp_bind_addr_match(struct sctp_bind_addr *bp, { struct sctp_sockaddr_entry *laddr; struct list_head *pos; - union sctp_addr tmp; - flip_to_n(&tmp, addr); list_for_each(pos, &bp->address_list) { laddr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (opt->pf->cmp_addr(&laddr->a, &tmp, opt)) + if (opt->pf->cmp_addr(&laddr->a, addr, opt)) return 1; } diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 75904b037ec6..d77fe9232dd1 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -228,10 +228,12 @@ struct sctp_endpoint *sctp_endpoint_is_match(struct sctp_endpoint *ep, const union sctp_addr *laddr) { struct sctp_endpoint *retval; + union sctp_addr tmp; + flip_to_n(&tmp, laddr); sctp_read_lock(&ep->base.addr_lock); if (ep->base.bind_addr.port == laddr->v4.sin_port) { - if (sctp_bind_addr_match(&ep->base.bind_addr, laddr, + if (sctp_bind_addr_match(&ep->base.bind_addr, &tmp, sctp_sk(ep->base.sk))) { retval = ep; goto out; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e03ba9055eb1..d42953efa355 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4635,11 +4635,9 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr) { struct sctp_bind_hashbucket *head; /* hash list */ struct sctp_bind_bucket *pp; /* hash list port iterator */ - union sctp_addr tmp; unsigned short snum; int ret; - flip_to_h(&tmp, addr); snum = ntohs(addr->v4.sin_port); SCTP_DEBUG_PRINTK("sctp_get_port() begins, snum=%d\n", snum); @@ -4737,7 +4735,7 @@ pp_found: if (reuse && sk2->sk_reuse) continue; - if (sctp_bind_addr_match(&ep2->base.bind_addr, &tmp, + if (sctp_bind_addr_match(&ep2->base.bind_addr, addr, sctp_sk(sk))) { ret = (long)sk2; goto fail_unlock; -- cgit v1.2.3 From be29681edfbad72167df735e243e8621840dca4f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:07:06 -0800 Subject: [SCTP]: Switch sctp_assoc_lookup_paddr() to net-endian. Callers updated. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/associola.c | 17 +++++++++-------- net/sctp/endpointola.c | 4 +++- net/sctp/sm_make_chunk.c | 2 +- net/sctp/sm_statefuns.c | 4 +++- net/sctp/socket.c | 5 +++-- 5 files changed, 19 insertions(+), 13 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/associola.c b/net/sctp/associola.c index ab3141f05921..3be8b6081a15 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -533,6 +533,8 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, struct sctp_transport *peer; struct sctp_sock *sp; unsigned short port; + union sctp_addr tmp; + flip_to_n(&tmp, addr); sp = sctp_sk(asoc->base.sk); @@ -551,7 +553,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, asoc->peer.port = port; /* Check to see if this is a duplicate. */ - peer = sctp_assoc_lookup_paddr(asoc, addr); + peer = sctp_assoc_lookup_paddr(asoc, &tmp); if (peer) { if (peer->state == SCTP_UNKNOWN) { if (peer_state == SCTP_ACTIVE) @@ -684,14 +686,12 @@ struct sctp_transport *sctp_assoc_lookup_paddr( { struct sctp_transport *t; struct list_head *pos; - union sctp_addr tmp; - flip_to_n(&tmp, address); /* Cycle through all transports searching for a peer address. */ list_for_each(pos, &asoc->peer.transport_addr_list) { t = list_entry(pos, struct sctp_transport, transports); - if (sctp_cmp_addr_exact(&tmp, &t->ipaddr)) + if (sctp_cmp_addr_exact(address, &t->ipaddr)) return t; } @@ -927,14 +927,15 @@ struct sctp_transport *sctp_assoc_is_match(struct sctp_association *asoc, const union sctp_addr *paddr) { struct sctp_transport *transport; - union sctp_addr tmp; + union sctp_addr tmp, tmp2; flip_to_n(&tmp, laddr); + flip_to_n(&tmp2, paddr); sctp_read_lock(&asoc->base.addr_lock); if ((asoc->base.bind_addr.port == laddr->v4.sin_port) && (asoc->peer.port == paddr->v4.sin_port)) { - transport = sctp_assoc_lookup_paddr(asoc, paddr); + transport = sctp_assoc_lookup_paddr(asoc, &tmp2); if (!transport) goto out; @@ -1047,7 +1048,7 @@ void sctp_assoc_update(struct sctp_association *asoc, /* Remove any peer addresses not present in the new association. */ list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { trans = list_entry(pos, struct sctp_transport, transports); - if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr_h)) + if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr)) sctp_assoc_del_peer(asoc, &trans->ipaddr); } @@ -1071,7 +1072,7 @@ void sctp_assoc_update(struct sctp_association *asoc, list_for_each(pos, &new->peer.transport_addr_list) { trans = list_entry(pos, struct sctp_transport, transports); - if (!sctp_assoc_lookup_paddr(asoc, &trans->ipaddr_h)) + if (!sctp_assoc_lookup_paddr(asoc, &trans->ipaddr)) sctp_assoc_add_peer(asoc, &trans->ipaddr_h, GFP_ATOMIC, trans->state); } diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index d77fe9232dd1..7c781d663603 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -259,6 +259,8 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( int rport; struct sctp_association *asoc; struct list_head *pos; + union sctp_addr tmp; + flip_to_n(&tmp, paddr); rport = paddr->v4.sin_port; @@ -266,7 +268,7 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( asoc = list_entry(pos, struct sctp_association, asocs); if (rport == asoc->peer.port) { sctp_read_lock(&asoc->base.addr_lock); - *transport = sctp_assoc_lookup_paddr(asoc, paddr); + *transport = sctp_assoc_lookup_paddr(asoc, &tmp); sctp_read_unlock(&asoc->base.addr_lock); if (*transport) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 303830b40ab3..cc1b01152c34 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2466,7 +2466,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, sctp_assoc_del_peer(asoc, &tmp_addr); break; case SCTP_PARAM_SET_PRIMARY: - peer = sctp_assoc_lookup_paddr(asoc, &addr); + peer = sctp_assoc_lookup_paddr(asoc, &tmp_addr); if (!peer) return SCTP_ERROR_INV_PARAM; diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index ac776fd20667..7d722f5a31d7 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1018,6 +1018,7 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep, struct sctp_transport *link; sctp_sender_hb_info_t *hbinfo; unsigned long max_interval; + union sctp_addr tmp; if (!sctp_vtag_verify(chunk, asoc)) return sctp_sf_pdiscard(ep, asoc, type, arg, commands); @@ -1035,7 +1036,8 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep, } from_addr = hbinfo->daddr; - link = sctp_assoc_lookup_paddr(asoc, &from_addr); + flip_to_n(&tmp, &from_addr); + link = sctp_assoc_lookup_paddr(asoc, &tmp); /* This should never happen, but lets log it if so. */ if (unlikely(!link)) { diff --git a/net/sctp/socket.c b/net/sctp/socket.c index d42953efa355..ffdad8e842ac 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1370,7 +1370,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, struct sctp_association *new_asoc=NULL, *asoc=NULL; struct sctp_transport *transport, *chunk_tp; struct sctp_chunk *chunk; - union sctp_addr to; + union sctp_addr to, tmp; struct sockaddr *msg_name = NULL; struct sctp_sndrcvinfo default_sinfo = { 0 }; struct sctp_sndrcvinfo *sinfo; @@ -1424,6 +1424,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, if (msg_namelen > sizeof(to)) msg_namelen = sizeof(to); memcpy(&to, msg->msg_name, msg_namelen); + memcpy(&tmp, msg->msg_name, msg_namelen); SCTP_DEBUG_PRINTK("Just memcpy'd. msg_name is " "0x%x:%u.\n", to.v4.sin_addr.s_addr, to.v4.sin_port); @@ -1691,7 +1692,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, */ if ((sctp_style(sk, TCP) && msg_name) || (sinfo_flags & SCTP_ADDR_OVER)) { - chunk_tp = sctp_assoc_lookup_paddr(asoc, &to); + chunk_tp = sctp_assoc_lookup_paddr(asoc, &tmp); if (!chunk_tp) { err = -EINVAL; goto out_free; -- cgit v1.2.3 From c9a08505ec0a0260fc94a823c014cc3970f72d25 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:07:48 -0800 Subject: [SCTP]: Switch sctp_del_bind_addr() to net-endian. Callers adjusted. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/bind_addr.c | 5 +---- net/sctp/sm_make_chunk.c | 2 +- net/sctp/socket.c | 17 +++++------------ 3 files changed, 7 insertions(+), 17 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index 442d891f68ea..eafdd11152d0 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -181,13 +181,10 @@ int sctp_del_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *del_addr) { struct list_head *pos, *temp; struct sctp_sockaddr_entry *addr; - union sctp_addr tmp; - - flip_to_n(&tmp, del_addr); list_for_each_safe(pos, temp, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_cmp_addr_exact(&addr->a, &tmp)) { + if (sctp_cmp_addr_exact(&addr->a, del_addr)) { /* Found the exact match. */ list_del(pos); kfree(addr); diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index cc1b01152c34..cb8cecd85a2e 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2609,7 +2609,7 @@ static int sctp_asconf_param_success(struct sctp_association *asoc, case SCTP_PARAM_DEL_IP: sctp_local_bh_disable(); sctp_write_lock(&asoc->base.addr_lock); - retval = sctp_del_bind_addr(bp, &addr); + retval = sctp_del_bind_addr(bp, &tmp); sctp_write_unlock(&asoc->base.addr_lock); sctp_local_bh_enable(); list_for_each(pos, &asoc->peer.transport_addr_list) { diff --git a/net/sctp/socket.c b/net/sctp/socket.c index ffdad8e842ac..f00b03845247 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -607,9 +607,8 @@ int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt) int cnt; struct sctp_bind_addr *bp = &ep->base.bind_addr; int retval = 0; - union sctp_addr saveaddr; void *addr_buf; - struct sockaddr *sa_addr; + union sctp_addr *sa_addr; struct sctp_af *af; SCTP_DEBUG_PRINTK("sctp_bindx_rem (sk: %p, addrs: %p, addrcnt: %d)\n", @@ -627,19 +626,13 @@ int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt) goto err_bindx_rem; } - /* The list may contain either IPv4 or IPv6 address; - * determine the address length to copy the address to - * saveaddr. - */ - sa_addr = (struct sockaddr *)addr_buf; - af = sctp_get_af_specific(sa_addr->sa_family); + sa_addr = (union sctp_addr *)addr_buf; + af = sctp_get_af_specific(sa_addr->sa.sa_family); if (!af) { retval = -EINVAL; goto err_bindx_rem; } - memcpy(&saveaddr, sa_addr, af->sockaddr_len); - saveaddr.v4.sin_port = ntohs(saveaddr.v4.sin_port); - if (saveaddr.v4.sin_port != bp->port) { + if (sa_addr->v4.sin_port != htons(bp->port)) { retval = -EINVAL; goto err_bindx_rem; } @@ -654,7 +647,7 @@ int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt) sctp_local_bh_disable(); sctp_write_lock(&ep->base.addr_lock); - retval = sctp_del_bind_addr(bp, &saveaddr); + retval = sctp_del_bind_addr(bp, sa_addr); sctp_write_unlock(&ep->base.addr_lock); sctp_local_bh_enable(); -- cgit v1.2.3 From 4bdf4b5fe22c26750c39fdd2939a5f33df0cc341 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:10:20 -0800 Subject: [SCTP]: Switch sctp_assoc_add_peer() to net-endian. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/associola.c | 12 +++++------- net/sctp/sm_make_chunk.c | 15 ++++++++++----- net/sctp/socket.c | 13 ++++++------- 3 files changed, 21 insertions(+), 19 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 7824aeaa3d60..5b8971be9775 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -533,19 +533,17 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, struct sctp_transport *peer; struct sctp_sock *sp; unsigned short port; - union sctp_addr tmp; - flip_to_n(&tmp, addr); sp = sctp_sk(asoc->base.sk); /* AF_INET and AF_INET6 share common port field. */ - port = addr->v4.sin_port; + port = ntohs(addr->v4.sin_port); SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_add_peer:association %p addr: ", " port: %d state:%d\n", asoc, addr, - addr->v4.sin_port, + port, peer_state); /* Set the port if it has not been set yet. */ @@ -553,7 +551,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, asoc->peer.port = port; /* Check to see if this is a duplicate. */ - peer = sctp_assoc_lookup_paddr(asoc, &tmp); + peer = sctp_assoc_lookup_paddr(asoc, addr); if (peer) { if (peer->state == SCTP_UNKNOWN) { if (peer_state == SCTP_ACTIVE) @@ -564,7 +562,7 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc, return peer; } - peer = sctp_transport_new(&tmp, gfp); + peer = sctp_transport_new(addr, gfp); if (!peer) return NULL; @@ -1070,7 +1068,7 @@ void sctp_assoc_update(struct sctp_association *asoc, trans = list_entry(pos, struct sctp_transport, transports); if (!sctp_assoc_lookup_paddr(asoc, &trans->ipaddr)) - sctp_assoc_add_peer(asoc, &trans->ipaddr_h, + sctp_assoc_add_peer(asoc, &trans->ipaddr, GFP_ATOMIC, trans->state); } diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 632a1159610e..2c887d3f3911 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1842,6 +1842,7 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid, struct sctp_transport *transport; struct list_head *pos, *temp; char *cookie; + union sctp_addr tmp; /* We must include the address that the INIT packet came from. * This is the only address that matters for an INIT packet. @@ -1853,9 +1854,11 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid, * added as the primary transport. The source address seems to * be a a better choice than any of the embedded addresses. */ - if (peer_addr) - if(!sctp_assoc_add_peer(asoc, peer_addr, gfp, SCTP_ACTIVE)) + if (peer_addr) { + flip_to_n(&tmp, peer_addr); + if(!sctp_assoc_add_peer(asoc, &tmp, gfp, SCTP_ACTIVE)) goto nomem; + } /* Process the initialization parameters. */ @@ -2016,6 +2019,7 @@ static int sctp_process_param(struct sctp_association *asoc, sctp_scope_t scope; time_t stale; struct sctp_af *af; + union sctp_addr tmp; /* We maintain all INIT parameters in network byte order all the * time. This allows us to not worry about whether the parameters @@ -2029,9 +2033,10 @@ static int sctp_process_param(struct sctp_association *asoc, case SCTP_PARAM_IPV4_ADDRESS: af = sctp_get_af_specific(param_type2af(param.p->type)); af->from_addr_param(&addr, param.addr, asoc->peer.port, 0); + flip_to_n(&tmp, &addr); scope = sctp_scope(peer_addr); - if (sctp_in_scope(&addr, scope)) - if (!sctp_assoc_add_peer(asoc, &addr, gfp, SCTP_UNCONFIRMED)) + if (sctp_in_scope(&tmp, scope)) + if (!sctp_assoc_add_peer(asoc, &tmp, gfp, SCTP_UNCONFIRMED)) return 0; break; @@ -2434,7 +2439,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc, * Due to Resource Shortage'. */ - peer = sctp_assoc_add_peer(asoc, &addr, GFP_ATOMIC, SCTP_UNCONFIRMED); + peer = sctp_assoc_add_peer(asoc, &tmp_addr, GFP_ATOMIC, SCTP_UNCONFIRMED); if (!peer) return SCTP_ERROR_RSRC_LOW; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index f00b03845247..3dd7ada8026c 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -969,7 +969,7 @@ static int __sctp_connect(struct sock* sk, int err = 0; int addrcnt = 0; int walk_size = 0; - struct sockaddr *sa_addr; + union sctp_addr *sa_addr; void *addr_buf; sp = sctp_sk(sk); @@ -989,8 +989,8 @@ static int __sctp_connect(struct sock* sk, /* Walk through the addrs buffer and count the number of addresses. */ addr_buf = kaddrs; while (walk_size < addrs_size) { - sa_addr = (struct sockaddr *)addr_buf; - af = sctp_get_af_specific(sa_addr->sa_family); + sa_addr = (union sctp_addr *)addr_buf; + af = sctp_get_af_specific(sa_addr->sa.sa_family); /* If the address family is not supported or if this address * causes the address buffer to overflow return EINVAL. @@ -1000,8 +1000,7 @@ static int __sctp_connect(struct sock* sk, goto out_free; } - err = sctp_verify_addr(sk, (union sctp_addr *)sa_addr, - af->sockaddr_len); + err = sctp_verify_addr(sk, sa_addr, af->sockaddr_len); if (err) goto out_free; @@ -1064,7 +1063,7 @@ static int __sctp_connect(struct sock* sk, } /* Prime the peer's transport structures. */ - transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL, + transport = sctp_assoc_add_peer(asoc, sa_addr, GFP_KERNEL, SCTP_UNKNOWN); if (!transport) { err = -ENOMEM; @@ -1618,7 +1617,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, } /* Prime the peer's transport structures. */ - transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL, SCTP_UNKNOWN); + transport = sctp_assoc_add_peer(asoc, &tmp, GFP_KERNEL, SCTP_UNKNOWN); if (!transport) { err = -ENOMEM; goto out_free; -- cgit v1.2.3 From 5ab7b859ab58e3479a5a66e383ecd6bc447f6c1d Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:10:38 -0800 Subject: [SCTP]: Switch sctp_add_bind_addr() to net-endian. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/bind_addr.c | 16 ++++++++++------ net/sctp/protocol.c | 2 +- net/sctp/sm_make_chunk.c | 4 +++- net/sctp/socket.c | 5 +---- 4 files changed, 15 insertions(+), 12 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index eafdd11152d0..eb3a5e25777d 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -155,15 +155,15 @@ int sctp_add_bind_addr(struct sctp_bind_addr *bp, union sctp_addr *new, if (!addr) return -ENOMEM; - memcpy(&addr->a_h, new, sizeof(*new)); + memcpy(&addr->a, new, sizeof(*new)); /* Fix up the port if it has not yet been set. * Both v4 and v6 have the port at the same offset. */ - if (!addr->a_h.v4.sin_port) - addr->a_h.v4.sin_port = bp->port; + if (!addr->a.v4.sin_port) + addr->a.v4.sin_port = htons(bp->port); - flip_to_n(&addr->a, &addr->a_h); + flip_to_h(&addr->a_h, &addr->a); addr->use_as_src = use_as_src; @@ -264,6 +264,7 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw_addr_list, int retval = 0; int len; struct sctp_af *af; + union sctp_addr tmp; /* Convert the raw address to standard address format */ while (addrs_len) { @@ -278,7 +279,8 @@ int sctp_raw_to_bind_addrs(struct sctp_bind_addr *bp, __u8 *raw_addr_list, } af->from_addr_param(&addr, rawaddr, port, 0); - retval = sctp_add_bind_addr(bp, &addr, 1, gfp); + flip_to_n(&tmp, &addr); + retval = sctp_add_bind_addr(bp, &tmp, 1, gfp); if (retval) { /* Can't finish building the list, clean up. */ sctp_bind_addr_clean(bp); @@ -358,6 +360,8 @@ static int sctp_copy_one_addr(struct sctp_bind_addr *dest, int flags) { int error = 0; + union sctp_addr tmp; + flip_to_n(&tmp, addr); if (sctp_is_any(addr)) { error = sctp_copy_local_addr_list(dest, scope, gfp, flags); @@ -371,7 +375,7 @@ static int sctp_copy_one_addr(struct sctp_bind_addr *dest, (((AF_INET6 == addr->sa.sa_family) && (flags & SCTP_ADDR6_ALLOWED) && (flags & SCTP_ADDR6_PEERSUPP)))) - error = sctp_add_bind_addr(dest, addr, 1, gfp); + error = sctp_add_bind_addr(dest, &tmp, 1, gfp); } return error; diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index d08bafd4439e..a6bcbf560e36 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -234,7 +234,7 @@ int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope, (((AF_INET6 == addr->a_h.sa.sa_family) && (copy_flags & SCTP_ADDR6_ALLOWED) && (copy_flags & SCTP_ADDR6_PEERSUPP)))) { - error = sctp_add_bind_addr(bp, &addr->a_h, 1, + error = sctp_add_bind_addr(bp, &addr->a, 1, GFP_ATOMIC); if (error) goto end_copy; diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 2c887d3f3911..46cfcca5e41b 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1507,7 +1507,9 @@ no_hmac: /* Also, add the destination address. */ if (list_empty(&retval->base.bind_addr.address_list)) { - sctp_add_bind_addr(&retval->base.bind_addr, &chunk->dest, 1, + union sctp_addr tmp; + flip_to_n(&tmp, &chunk->dest); + sctp_add_bind_addr(&retval->base.bind_addr, &tmp, 1, GFP_ATOMIC); } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 3dd7ada8026c..d09589a51c44 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -313,7 +313,6 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) struct sctp_af *af; unsigned short snum; int ret = 0; - union sctp_addr tmp; /* Common sockaddr verification. */ af = sctp_sockaddr_af(sp, addr, len); @@ -369,8 +368,7 @@ SCTP_STATIC int sctp_do_bind(struct sock *sk, union sctp_addr *addr, int len) sctp_write_lock(&ep->base.addr_lock); /* Use GFP_ATOMIC since BHs are disabled. */ - flip_to_h(&tmp, addr); - ret = sctp_add_bind_addr(bp, &tmp, 1, GFP_ATOMIC); + ret = sctp_add_bind_addr(bp, addr, 1, GFP_ATOMIC); sctp_write_unlock(&ep->base.addr_lock); sctp_local_bh_enable(); @@ -572,7 +570,6 @@ static int sctp_send_asconf_add_ip(struct sock *sk, addr = (union sctp_addr *)addr_buf; af = sctp_get_af_specific(addr->v4.sin_family); memcpy(&saveaddr, addr, af->sockaddr_len); - saveaddr.v4.sin_port = ntohs(saveaddr.v4.sin_port); retval = sctp_add_bind_addr(bp, &saveaddr, 0, GFP_ATOMIC); addr_buf += af->sockaddr_len; -- cgit v1.2.3 From cd4ff034e3572679f7ff8f126469b3addd1a4fbc Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:11:33 -0800 Subject: [SCTP]: sctp_endpoint_lookup_assoc() switched to net-endian. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/endpointola.c | 10 +++++----- net/sctp/socket.c | 8 +++----- 2 files changed, 8 insertions(+), 10 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index c543f3250645..5ffb1af336c0 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -257,16 +257,14 @@ static struct sctp_association *__sctp_endpoint_lookup_assoc( int rport; struct sctp_association *asoc; struct list_head *pos; - union sctp_addr tmp; - flip_to_n(&tmp, paddr); - rport = paddr->v4.sin_port; + rport = ntohs(paddr->v4.sin_port); list_for_each(pos, &ep->asocs) { asoc = list_entry(pos, struct sctp_association, asocs); if (rport == asoc->peer.port) { sctp_read_lock(&asoc->base.addr_lock); - *transport = sctp_assoc_lookup_paddr(asoc, &tmp); + *transport = sctp_assoc_lookup_paddr(asoc, paddr); sctp_read_unlock(&asoc->base.addr_lock); if (*transport) @@ -348,8 +346,10 @@ static void sctp_endpoint_bh_rcv(struct sctp_endpoint *ep) * COOKIE-ECHO chunk. */ if (NULL == chunk->asoc) { + union sctp_addr tmp; + flip_to_n(&tmp, sctp_source(chunk)); asoc = sctp_endpoint_lookup_assoc(ep, - sctp_source(chunk), + &tmp, &transport); chunk->asoc = asoc; chunk->transport = transport; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index d09589a51c44..6beaa7821ca6 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -228,11 +228,9 @@ static struct sctp_transport *sctp_addr_id2transport(struct sock *sk, struct sctp_association *addr_asoc = NULL, *id_asoc = NULL; struct sctp_transport *transport; union sctp_addr *laddr = (union sctp_addr *)addr; - union sctp_addr tmp; - flip_to_h(&tmp, laddr); addr_asoc = sctp_endpoint_lookup_assoc(sctp_sk(sk)->ep, - &tmp, + laddr, &transport); if (!addr_asoc) @@ -1007,7 +1005,7 @@ static int __sctp_connect(struct sock* sk, /* Check if there already is a matching association on the * endpoint (other than the one created here). */ - asoc2 = sctp_endpoint_lookup_assoc(ep, &to, &transport); + asoc2 = sctp_endpoint_lookup_assoc(ep, sa_addr, &transport); if (asoc2 && asoc2 != asoc) { if (asoc2->state >= SCTP_STATE_ESTABLISHED) err = -EISCONN; @@ -1468,7 +1466,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, /* If a msg_name has been specified, assume this is to be used. */ if (msg_name) { /* Look for a matching association on the endpoint. */ - asoc = sctp_endpoint_lookup_assoc(ep, &to, &transport); + asoc = sctp_endpoint_lookup_assoc(ep, &tmp, &transport); if (!asoc) { /* If we could not find a matching association on the * endpoint, make sure that it is not a TCP-style -- cgit v1.2.3 From 6c7be55ca0c204473d07a030a03c49a7471b4508 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:11:50 -0800 Subject: [SCTP]: sctp_has_association() switched to net-endian. Ditto for its only caller (sctp_endpoint_is_peeled_off) Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/endpointola.c | 2 +- net/sctp/input.c | 5 +---- net/sctp/socket.c | 4 ++-- 3 files changed, 4 insertions(+), 7 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 5ffb1af336c0..4cca7792c961 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -305,7 +305,7 @@ int sctp_endpoint_is_peeled_off(struct sctp_endpoint *ep, bp = &ep->base.bind_addr; list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_has_association(&addr->a_h, paddr)) { + if (sctp_has_association(&addr->a, paddr)) { sctp_read_unlock(&ep->base.addr_lock); return 1; } diff --git a/net/sctp/input.c b/net/sctp/input.c index 2d660f8d94fd..33111873a488 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -872,11 +872,8 @@ int sctp_has_association(const union sctp_addr *laddr, { struct sctp_association *asoc; struct sctp_transport *transport; - union sctp_addr tmp, tmp2; - flip_to_n(&tmp, laddr); - flip_to_n(&tmp2, paddr); - if ((asoc = sctp_lookup_association(&tmp, &tmp2, &transport))) { + if ((asoc = sctp_lookup_association(laddr, paddr, &transport))) { sctp_association_put(asoc); return 1; } diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 6beaa7821ca6..e118e3c1285e 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1018,7 +1018,7 @@ static int __sctp_connect(struct sock* sk, * make sure that there is no peeled-off association matching * the peer address even on another socket. */ - if (sctp_endpoint_is_peeled_off(ep, &to)) { + if (sctp_endpoint_is_peeled_off(ep, sa_addr)) { err = -EADDRNOTAVAIL; goto out_free; } @@ -1475,7 +1475,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, */ if ((sctp_style(sk, TCP) && sctp_sstate(sk, ESTABLISHED)) || - sctp_endpoint_is_peeled_off(ep, &to)) { + sctp_endpoint_is_peeled_off(ep, &tmp)) { err = -EADDRNOTAVAIL; goto out_unlock; } -- cgit v1.2.3 From 6244be4e063075f6077f05e70f8fa1bf7f4a968e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:21:44 -0800 Subject: [SCTP]: Trivial parts of a_h -> a switch. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/bind_addr.c | 4 ++-- net/sctp/ipv6.c | 4 ++-- net/sctp/protocol.c | 10 +++++----- net/sctp/socket.c | 24 ++++++++++-------------- 4 files changed, 19 insertions(+), 23 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index 50f3697625fd..f201df66180d 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -239,8 +239,8 @@ union sctp_params sctp_bind_addrs_to_raw(const struct sctp_bind_addr *bp, list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - af = sctp_get_af_specific(addr->a_h.v4.sin_family); - len = af->to_addr_param(&addr->a_h, &rawaddr); + af = sctp_get_af_specific(addr->a.v4.sin_family); + len = af->to_addr_param(&addr->a, &rawaddr); memcpy(addrparms.v, &rawaddr, len); addrparms.v += len; addrparms_len += len; diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 3dc8ed143521..b3fa426bd1dc 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -290,8 +290,8 @@ static void sctp_v6_get_saddr(struct sctp_association *asoc, list_for_each(pos, &bp->address_list) { laddr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((laddr->use_as_src) && - (laddr->a_h.sa.sa_family == AF_INET6) && - (scope <= sctp_scope(&laddr->a_h))) { + (laddr->a.sa.sa_family == AF_INET6) && + (scope <= sctp_scope(&laddr->a))) { bmatchlen = sctp_v6_addr_match_len(daddr, &laddr->a); if (!baddr || (matchlen < bmatchlen)) { baddr = &laddr->a; diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 5b8b7f3598e0..c20f05b3308f 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -224,14 +224,14 @@ int sctp_copy_local_addr_list(struct sctp_bind_addr *bp, sctp_scope_t scope, sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - if (sctp_in_scope(&addr->a_h, scope)) { + if (sctp_in_scope(&addr->a, scope)) { /* Now that the address is in scope, check to see if * the address type is really supported by the local * sock as well as the remote peer. */ - if ((((AF_INET == addr->a_h.sa.sa_family) && + if ((((AF_INET == addr->a.sa.sa_family) && (copy_flags & SCTP_ADDR4_PEERSUPP))) || - (((AF_INET6 == addr->a_h.sa.sa_family) && + (((AF_INET6 == addr->a.sa.sa_family) && (copy_flags & SCTP_ADDR6_ALLOWED) && (copy_flags & SCTP_ADDR6_PEERSUPP)))) { error = sctp_add_bind_addr(bp, &addr->a, 1, @@ -503,8 +503,8 @@ static struct dst_entry *sctp_v4_get_dst(struct sctp_association *asoc, laddr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((laddr->use_as_src) && - (AF_INET == laddr->a_h.sa.sa_family)) { - fl.fl4_src = laddr->a_h.v4.sin_addr.s_addr; + (AF_INET == laddr->a.sa.sa_family)) { + fl.fl4_src = laddr->a.v4.sin_addr.s_addr; if (!ip_route_output_key(&rt, &fl)) { dst = &rt->u.dst; goto out_unlock; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e118e3c1285e..a3e1ca2c3cb7 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3867,14 +3867,14 @@ static int sctp_getsockopt_local_addrs_num_old(struct sock *sk, int len, if (sctp_list_single_entry(&bp->address_list)) { addr = list_entry(bp->address_list.next, struct sctp_sockaddr_entry, list); - if (sctp_is_any(&addr->a_h)) { + if (sctp_is_any(&addr->a)) { sctp_spin_lock_irqsave(&sctp_local_addr_lock, flags); list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && - (AF_INET6 == addr->a_h.sa.sa_family)) + (AF_INET6 == addr->a.sa.sa_family)) continue; cnt++; } @@ -3912,13 +3912,12 @@ static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_add list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && - (AF_INET6 == addr->a_h.sa.sa_family)) + (AF_INET6 == addr->a.sa.sa_family)) continue; - memcpy(&temp, &addr->a_h, sizeof(temp)); + memcpy(&temp, &addr->a, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; - temp.v4.sin_port = htons(port); if (copy_to_user(to, &temp, addrlen)) { sctp_spin_unlock_irqrestore(&sctp_local_addr_lock, flags); @@ -3947,15 +3946,14 @@ static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port, list_for_each(pos, &sctp_local_addr_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); if ((PF_INET == sk->sk_family) && - (AF_INET6 == addr->a_h.sa.sa_family)) + (AF_INET6 == addr->a.sa.sa_family)) continue; - memcpy(&temp, &addr->a_h, sizeof(temp)); + memcpy(&temp, &addr->a, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; if(space_leftaddress_list)) { addr = list_entry(bp->address_list.next, struct sctp_sockaddr_entry, list); - if (sctp_is_any(&addr->a_h)) { + if (sctp_is_any(&addr->a)) { cnt = sctp_copy_laddrs_to_user_old(sk, bp->port, getaddrs.addr_num, to); @@ -4037,10 +4035,9 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len, list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - memcpy(&temp, &addr->a_h, sizeof(temp)); + memcpy(&temp, &addr->a, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; - temp.v4.sin_port = htons(temp.v4.sin_port); if (copy_to_user(to, &temp, addrlen)) { err = -EFAULT; goto unlock; @@ -4113,7 +4110,7 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len, if (sctp_list_single_entry(&bp->address_list)) { addr = list_entry(bp->address_list.next, struct sctp_sockaddr_entry, list); - if (sctp_is_any(&addr->a_h)) { + if (sctp_is_any(&addr->a)) { cnt = sctp_copy_laddrs_to_user(sk, bp->port, &to, space_left); if (cnt < 0) { @@ -4126,12 +4123,11 @@ static int sctp_getsockopt_local_addrs(struct sock *sk, int len, list_for_each(pos, &bp->address_list) { addr = list_entry(pos, struct sctp_sockaddr_entry, list); - memcpy(&temp, &addr->a_h, sizeof(temp)); + memcpy(&temp, &addr->a, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; if(space_left < addrlen) return -ENOMEM; /*fixme: right error?*/ - temp.v4.sin_port = htons(temp.v4.sin_port); if (copy_to_user(to, &temp, addrlen)) { err = -EFAULT; goto unlock; -- cgit v1.2.3 From 5ae955cffdb96190c2bd4f57313f5f147f87854b Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:22:08 -0800 Subject: [SCTP]: sctp_make_asconf_update_ip() and sctp_find_unmatch_addr(). ... switched to taking and returning pointers to net-endian sctp_addr resp. Together, since the only user of sctp_find_unmatch_addr() just passes its value to sctp_make_asconf_update_ip(). sctp_make_asconf_update_ip() is actually endian-agnostic. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/bind_addr.c | 2 +- net/sctp/socket.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c index f201df66180d..d6664dd30e56 100644 --- a/net/sctp/bind_addr.c +++ b/net/sctp/bind_addr.c @@ -345,7 +345,7 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr *bp, addr_buf += af->sockaddr_len; } if (i == addrcnt) - return &laddr->a_h; + return &laddr->a; } return NULL; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index a3e1ca2c3cb7..d049b2ce5cf2 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -547,7 +547,7 @@ static int sctp_send_asconf_add_ip(struct sock *sk, laddr = list_entry(p, struct sctp_sockaddr_entry, list); sctp_read_unlock(&asoc->base.addr_lock); - chunk = sctp_make_asconf_update_ip(asoc, &laddr->a_h, addrs, + chunk = sctp_make_asconf_update_ip(asoc, &laddr->a, addrs, addrcnt, SCTP_PARAM_ADD_IP); if (!chunk) { retval = -ENOMEM; -- cgit v1.2.3 From b3f5b3b6654422bb0a6ef745fe4d11a4f01d006a Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:22:43 -0800 Subject: [SCTP]: Trivial ->ipaddr_h -> ->ipaddr conversions. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/associola.c | 14 +++++++------- net/sctp/ipv6.c | 2 +- net/sctp/sm_sideeffect.c | 4 ++-- net/sctp/socket.c | 6 ++---- 4 files changed, 12 insertions(+), 14 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 5b8971be9775..fa7cda4b1813 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -487,8 +487,8 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc, SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_rm_peer:association %p addr: ", " port: %d\n", asoc, - (&peer->ipaddr_h), - peer->ipaddr_h.v4.sin_port); + (&peer->ipaddr), + ntohs(peer->ipaddr.v4.sin_port)); /* If we are to remove the current retran_path, update it * to the next peer before removing this peer from the list. @@ -1136,8 +1136,8 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc) " %p addr: ", " port: %d\n", asoc, - (&t->ipaddr_h), - t->ipaddr_h.v4.sin_port); + (&t->ipaddr), + ntohs(t->ipaddr.v4.sin_port)); } /* Choose the transport for sending a INIT packet. */ @@ -1161,8 +1161,8 @@ struct sctp_transport *sctp_assoc_choose_init_transport( " %p addr: ", " port: %d\n", asoc, - (&t->ipaddr_h), - t->ipaddr_h.v4.sin_port); + (&t->ipaddr), + ntohs(t->ipaddr.v4.sin_port)); return t; } @@ -1307,7 +1307,7 @@ int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc, /* Use scoping rules to determine the subset of addresses from * the endpoint. */ - scope = sctp_scope(&asoc->peer.active_path->ipaddr_h); + scope = sctp_scope(&asoc->peer.active_path->ipaddr); flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0; if (asoc->peer.ipv4_address) flags |= SCTP_ADDR4_PEERSUPP; diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 04d5e13e9183..a76ffc143894 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -161,7 +161,7 @@ static int sctp_v6_xmit(struct sk_buff *skb, struct sctp_transport *transport, /* Fill in the dest address from the route entry passed with the skb * and the source address from the transport. */ - ipv6_addr_copy(&fl.fl6_dst, &transport->ipaddr_h.v6.sin6_addr); + ipv6_addr_copy(&fl.fl6_dst, &transport->ipaddr.v6.sin6_addr); ipv6_addr_copy(&fl.fl6_src, &transport->saddr.v6.sin6_addr); fl.fl6_flowlabel = np->flow_label; diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index a11bd4ff9303..c512ce491834 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -441,8 +441,8 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc, SCTP_DEBUG_PRINTK_IPADDR("transport_strike:association %p", " transport IP: port:%d failed.\n", asoc, - (&transport->ipaddr_h), - transport->ipaddr_h.v4.sin_port); + (&transport->ipaddr), + ntohs(transport->ipaddr.v4.sin_port)); sctp_assoc_control_transport(asoc, transport, SCTP_TRANSPORT_DOWN, SCTP_FAILED_THRESHOLD); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index d049b2ce5cf2..e527267a0536 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3752,10 +3752,9 @@ static int sctp_getsockopt_peer_addrs_old(struct sock *sk, int len, to = (void __user *)getaddrs.addrs; list_for_each(pos, &asoc->peer.transport_addr_list) { from = list_entry(pos, struct sctp_transport, transports); - memcpy(&temp, &from->ipaddr_h, sizeof(temp)); + memcpy(&temp, &from->ipaddr, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len; - temp.v4.sin_port = htons(temp.v4.sin_port); if (copy_to_user(to, &temp, addrlen)) return -EFAULT; to += addrlen ; @@ -3801,12 +3800,11 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len, list_for_each(pos, &asoc->peer.transport_addr_list) { from = list_entry(pos, struct sctp_transport, transports); - memcpy(&temp, &from->ipaddr_h, sizeof(temp)); + memcpy(&temp, &from->ipaddr, sizeof(temp)); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, &temp); addrlen = sctp_get_af_specific(sk->sk_family)->sockaddr_len; if(space_left < addrlen) return -ENOMEM; - temp.v4.sin_port = htons(temp.v4.sin_port); if (copy_to_user(to, &temp, addrlen)) return -EFAULT; to += addrlen; -- cgit v1.2.3 From 8cec6b80664eb20b0c033fd20d2c7ed15621437f Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:23:01 -0800 Subject: [SCTP]: We need to be careful when copying to sockaddr_storage. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/associola.c | 2 +- net/sctp/socket.c | 8 ++++---- 2 files changed, 5 insertions(+), 5 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/associola.c b/net/sctp/associola.c index fa7cda4b1813..39471d3b31b9 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -733,7 +733,7 @@ void sctp_assoc_control_transport(struct sctp_association *asoc, * user. */ memset(&addr, 0, sizeof(struct sockaddr_storage)); - flip_to_n((union sctp_addr *)&addr, &transport->ipaddr_h); + memcpy(&addr, &transport->ipaddr, transport->af_specific->sockaddr_len); event = sctp_ulpevent_make_peer_addr_change(asoc, &addr, 0, spc_state, error, GFP_ATOMIC); if (event) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e527267a0536..adbe531fdedc 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3202,8 +3202,8 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len, status.sstat_outstrms = asoc->c.sinit_num_ostreams; status.sstat_fragmentation_point = asoc->frag_point; status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc); - flip_to_n((union sctp_addr *)&status.sstat_primary.spinfo_address, - &transport->ipaddr_h); + memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr, + transport->af_specific->sockaddr_len); /* Map ipv4 address into v4-mapped-on-v6 address. */ sctp_get_pf_specific(sk->sk_family)->addr_v4map(sctp_sk(sk), (union sctp_addr *)&status.sstat_primary.spinfo_address); @@ -4173,8 +4173,8 @@ static int sctp_getsockopt_primary_addr(struct sock *sk, int len, if (!asoc->peer.primary_path) return -ENOTCONN; - flip_to_n((union sctp_addr *)&prim.ssp_addr, - &asoc->peer.primary_path->ipaddr_h); + memcpy(&prim.ssp_addr, &asoc->peer.primary_path->ipaddr, + asoc->peer.primary_path->af_specific->sockaddr_len); sctp_get_pf_specific(sk->sk_family)->addr_v4map(sp, (union sctp_addr *)&prim.ssp_addr); -- cgit v1.2.3 From 6fbfa9f951878ab489147d9e459191d4aacfa819 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:24:53 -0800 Subject: [SCTP]: Annotate ->inaddr_any(). Signed-off-by: Al Viro Signed-off-by: David S. Miller --- include/net/sctp/structs.h | 2 +- net/sctp/ipv6.c | 2 +- net/sctp/protocol.c | 2 +- net/sctp/socket.c | 2 +- 4 files changed, 4 insertions(+), 4 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index d44202b0487d..3a6b8745538c 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -560,7 +560,7 @@ struct sctp_af { struct sctp_sock *, const struct sk_buff *); sctp_scope_t (*scope) (union sctp_addr *); - void (*inaddr_any) (union sctp_addr *, unsigned short); + void (*inaddr_any) (union sctp_addr *, __be16); int (*is_any) (const union sctp_addr *); int (*available) (union sctp_addr *, struct sctp_sock *); diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 8e2b1e4ec66e..268d32c89594 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -478,7 +478,7 @@ static int sctp_v6_cmp_addr(const union sctp_addr *addr1, } /* Initialize addr struct to INADDR_ANY. */ -static void sctp_v6_inaddr_any(union sctp_addr *addr, unsigned short port) +static void sctp_v6_inaddr_any(union sctp_addr *addr, __be16 port) { memset(addr, 0x00, sizeof(union sctp_addr)); addr->v6.sin6_family = AF_INET6; diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index c6297744a4ed..5da887528bf1 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -338,7 +338,7 @@ static int sctp_v4_cmp_addr(const union sctp_addr *addr1, } /* Initialize addr struct to INADDR_ANY. */ -static void sctp_v4_inaddr_any(union sctp_addr *addr, unsigned short port) +static void sctp_v4_inaddr_any(union sctp_addr *addr, __be16 port) { addr->v4.sin_family = AF_INET; addr->v4.sin_addr.s_addr = INADDR_ANY; diff --git a/net/sctp/socket.c b/net/sctp/socket.c index adbe531fdedc..56f77d35a8e1 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -5055,7 +5055,7 @@ static int sctp_autobind(struct sock *sk) { union sctp_addr autoaddr; struct sctp_af *af; - unsigned short port; + __be16 port; /* Initialize a local sockaddr structure to INADDR_ANY. */ af = sctp_sk(sk)->pf->af; -- cgit v1.2.3 From dce116ae86cb224a9dad787e91fb552dae67b2e8 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 20 Nov 2006 17:25:15 -0800 Subject: [SCTP]: Get rid of the last remnants of sin_port flipping. Signed-off-by: Al Viro Signed-off-by: David S. Miller --- net/sctp/socket.c | 19 ++++++------------- 1 file changed, 6 insertions(+), 13 deletions(-) (limited to 'net/sctp/socket.c') diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 56f77d35a8e1..02b27145b279 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1000,7 +1000,6 @@ static int __sctp_connect(struct sock* sk, goto out_free; memcpy(&to, sa_addr, af->sockaddr_len); - to.v4.sin_port = ntohs(to.v4.sin_port); /* Check if there already is a matching association on the * endpoint (other than the one created here). @@ -1049,7 +1048,7 @@ static int __sctp_connect(struct sock* sk, } } - scope = sctp_scope(&to); + scope = sctp_scope(sa_addr); asoc = sctp_association_new(ep, sk, scope, GFP_KERNEL); if (!asoc) { err = -ENOMEM; @@ -1357,7 +1356,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, struct sctp_association *new_asoc=NULL, *asoc=NULL; struct sctp_transport *transport, *chunk_tp; struct sctp_chunk *chunk; - union sctp_addr to, tmp; + union sctp_addr to; struct sockaddr *msg_name = NULL; struct sctp_sndrcvinfo default_sinfo = { 0 }; struct sctp_sndrcvinfo *sinfo; @@ -1411,12 +1410,6 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, if (msg_namelen > sizeof(to)) msg_namelen = sizeof(to); memcpy(&to, msg->msg_name, msg_namelen); - memcpy(&tmp, msg->msg_name, msg_namelen); - SCTP_DEBUG_PRINTK("Just memcpy'd. msg_name is " - "0x%x:%u.\n", - to.v4.sin_addr.s_addr, to.v4.sin_port); - - to.v4.sin_port = ntohs(to.v4.sin_port); msg_name = msg->msg_name; } @@ -1466,7 +1459,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, /* If a msg_name has been specified, assume this is to be used. */ if (msg_name) { /* Look for a matching association on the endpoint. */ - asoc = sctp_endpoint_lookup_assoc(ep, &tmp, &transport); + asoc = sctp_endpoint_lookup_assoc(ep, &to, &transport); if (!asoc) { /* If we could not find a matching association on the * endpoint, make sure that it is not a TCP-style @@ -1475,7 +1468,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, */ if ((sctp_style(sk, TCP) && sctp_sstate(sk, ESTABLISHED)) || - sctp_endpoint_is_peeled_off(ep, &tmp)) { + sctp_endpoint_is_peeled_off(ep, &to)) { err = -EADDRNOTAVAIL; goto out_unlock; } @@ -1612,7 +1605,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, } /* Prime the peer's transport structures. */ - transport = sctp_assoc_add_peer(asoc, &tmp, GFP_KERNEL, SCTP_UNKNOWN); + transport = sctp_assoc_add_peer(asoc, &to, GFP_KERNEL, SCTP_UNKNOWN); if (!transport) { err = -ENOMEM; goto out_free; @@ -1679,7 +1672,7 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk, */ if ((sctp_style(sk, TCP) && msg_name) || (sinfo_flags & SCTP_ADDR_OVER)) { - chunk_tp = sctp_assoc_lookup_paddr(asoc, &tmp); + chunk_tp = sctp_assoc_lookup_paddr(asoc, &to); if (!chunk_tp) { err = -EINVAL; goto out_free; -- cgit v1.2.3