X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fipv6%2Fesp6.c;h=a278d5e862fe38b9210b3d814604883f450ef339;hb=006b64de607f895de2ba1e21d3179cddf059128f;hp=6de8ee1a5ad9ec85227d9527b9b1374ca73e8952;hpb=14c850212ed8f8cbb5972ad6b8812e08a0bc901c;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 6de8ee1..a278d5e 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -24,7 +24,6 @@ * This file is derived from net/ipv4/esp.c */ -#include #include #include #include @@ -94,6 +93,7 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb) esph->spi = x->id.spi; esph->seq_no = htonl(++x->replay.oseq); + xfrm_aevent_doreplay(x); if (esp->conf.ivlen) crypto_cipher_set_iv(tfm, esp->conf.ivec, crypto_tfm_alg_ivsize(tfm)); @@ -129,7 +129,7 @@ error: return err; } -static int esp6_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struct sk_buff *skb) +static int esp6_input(struct xfrm_state *x, struct sk_buff *skb) { struct ipv6hdr *iph; struct ipv6_esp_hdr *esph; @@ -141,25 +141,17 @@ static int esp6_input(struct xfrm_state *x, struct xfrm_decap_state *decap, stru int hdr_len = skb->h.raw - skb->nh.raw; int nfrags; - unsigned char *tmp_hdr = NULL; int ret = 0; if (!pskb_may_pull(skb, sizeof(struct ipv6_esp_hdr))) { ret = -EINVAL; - goto out_nofree; + goto out; } if (elen <= 0 || (elen & (blksize-1))) { ret = -EINVAL; - goto out_nofree; - } - - tmp_hdr = kmalloc(hdr_len, GFP_ATOMIC); - if (!tmp_hdr) { - ret = -ENOMEM; - goto out_nofree; + goto out; } - memcpy(tmp_hdr, skb->nh.raw, hdr_len); /* If integrity check is required, do this. */ if (esp->auth.icv_full_len) { @@ -221,16 +213,12 @@ static int esp6_input(struct xfrm_state *x, struct xfrm_decap_state *decap, stru /* ... check padding bits here. Silly. :-) */ pskb_trim(skb, skb->len - alen - padlen - 2); - skb->h.raw = skb_pull(skb, sizeof(struct ipv6_esp_hdr) + esp->conf.ivlen); - skb->nh.raw += sizeof(struct ipv6_esp_hdr) + esp->conf.ivlen; - memcpy(skb->nh.raw, tmp_hdr, hdr_len); - skb->nh.ipv6h->payload_len = htons(skb->len - sizeof(struct ipv6hdr)); ret = nexthdr[1]; } + skb->h.raw = __skb_pull(skb, sizeof(*esph) + esp->conf.ivlen) - hdr_len; + out: - kfree(tmp_hdr); -out_nofree: return ret; } @@ -266,8 +254,7 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, x = xfrm_state_lookup((xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6); if (!x) return; - printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/" - "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n", + printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/" NIP6_FMT "\n", ntohl(esph->spi), NIP6(iph->daddr)); xfrm_state_put(x); } @@ -305,12 +292,10 @@ static int esp6_init_state(struct xfrm_state *x) if (x->encap) goto error; - esp = kmalloc(sizeof(*esp), GFP_KERNEL); + esp = kzalloc(sizeof(*esp), GFP_KERNEL); if (esp == NULL) return -ENOMEM; - memset(esp, 0, sizeof(*esp)); - if (x->aalg) { struct xfrm_algo_desc *aalg_desc;