diff options
Diffstat (limited to 'net/ipv6/ah6.c')
| -rw-r--r-- | net/ipv6/ah6.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 12c5a4dec09e..dc68b7269c3c 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -1,26 +1,26 @@ /* * Copyright (C)2002 USAGI/WIDE Project - * + * * 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. - * + * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * + * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Authors * - * Mitsuru KANDA @USAGI : IPv6 Support + * Mitsuru KANDA @USAGI : IPv6 Support * Kazunori MIYAZAWA @USAGI : * Kunihiro Ishiguro <kunihiro@ipinfusion.com> - * + * * This file is derived from net/ipv4/ah.c. */ @@ -54,7 +54,7 @@ static int zero_out_mutable_opts(struct ipv6_opt_hdr *opthdr) optlen = 1; break; default: - if (len < 2) + if (len < 2) goto bad; optlen = opt[off+1]+2; if (len < optlen) @@ -152,7 +152,7 @@ static void ipv6_rearrange_rthdr(struct ipv6hdr *iph, struct ipv6_rt_hdr *rthdr) segments_left = rthdr->segments_left; if (segments_left == 0) return; - rthdr->segments_left = 0; + rthdr->segments_left = 0; /* The value of rthdr->hdrlen has been verified either by the system * call if it is locally generated, or by ipv6_rthdr_rcv() for incoming @@ -278,7 +278,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb) top_iph->hop_limit = 0; ahp = x->data; - ah->hdrlen = (XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + + ah->hdrlen = (XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len) >> 2) - 2; ah->reserved = 0; @@ -319,7 +319,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) * Moving the pointer of skb->nh.raw by using skb_pull as long as AH * header length. Then copy back the copy as long as hdr_len * If destination header following AH exists, copy it into after [Ext2]. - * + * * |<>|[IPv6][Ext1][Ext2][Dest][Payload] * There is offset of AH before IPv6 header after the process. */ @@ -347,9 +347,9 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) nexthdr = ah->nexthdr; ah_hlen = (ah->hdrlen + 2) << 2; - if (ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_full_len) && - ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len)) - goto out; + if (ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_full_len) && + ah_hlen != XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len)) + goto out; if (!pskb_may_pull(skb, ah_hlen)) goto out; @@ -365,7 +365,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) skb->nh.ipv6h->flow_lbl[2] = 0; skb->nh.ipv6h->hop_limit = 0; - { + { u8 auth_data[MAX_AH_AUTH_LEN]; memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len); @@ -395,8 +395,8 @@ out: return err; } -static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, - int type, int code, int offset, __be32 info) +static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, + int type, int code, int offset, __be32 info) { struct ipv6hdr *iph = (struct ipv6hdr*)skb->data; struct ip_auth_hdr *ah = (struct ip_auth_hdr*)(skb->data+offset); @@ -445,7 +445,7 @@ static int ah6_init_state(struct xfrm_state *x) ahp->tfm = tfm; if (crypto_hash_setkey(tfm, ahp->key, ahp->key_len)) goto error; - + /* * Lookup the algorithm description maintained by xfrm_algo, * verify crypto transform properties, and store information @@ -462,16 +462,16 @@ static int ah6_init_state(struct xfrm_state *x) aalg_desc->uinfo.auth.icv_fullbits/8); goto error; } - + ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8; ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8; - + BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN); - + ahp->work_icv = kmalloc(ahp->icv_full_len, GFP_KERNEL); if (!ahp->work_icv) goto error; - + x->props.header_len = XFRM_ALIGN8(sizeof(struct ipv6_auth_hdr) + ahp->icv_trunc_len); if (x->props.mode == XFRM_MODE_TUNNEL) x->props.header_len += sizeof(struct ipv6hdr); |