X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fipv4%2Fip_options.c;h=9f02917d6f45319de4680eade1dda3cf3440b050;hb=a2f44b27303a5353859d77a3e96a1d3f33f56ab7;hp=9bebad07bf2ec4baea772a654e7d37808504928c;hpb=134734d875a0a48d994ef20b9905209b4b8b6f75;p=linux-2.6.git

diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 9bebad07b..9f02917d6 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -24,6 +24,7 @@
 #include <net/ip.h>
 #include <net/icmp.h>
 #include <net/route.h>
+#include <net/cipso_ipv4.h>
 
 /* 
  * Write options to IP header, record destination address to
@@ -37,7 +38,7 @@
  */
 
 void ip_options_build(struct sk_buff * skb, struct ip_options * opt,
-			    u32 daddr, struct rtable *rt, int is_frag) 
+			    __be32 daddr, struct rtable *rt, int is_frag)
 {
 	unsigned char * iph = skb->nh.raw;
 
@@ -56,7 +57,7 @@ void ip_options_build(struct sk_buff * skb, struct ip_options * opt,
 			ip_rt_get_source(iph+opt->ts+iph[opt->ts+2]-9, rt);
 		if (opt->ts_needtime) {
 			struct timeval tv;
-			__u32 midtime;
+			__be32 midtime;
 			do_gettimeofday(&tv);
 			midtime = htonl((tv.tv_sec % 86400) * 1000 + tv.tv_usec / 1000);
 			memcpy(iph+opt->ts+iph[opt->ts+2]-5, &midtime, 4);
@@ -90,7 +91,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 	unsigned char *sptr, *dptr;
 	int soffset, doffset;
 	int	optlen;
-	u32	daddr;
+	__be32	daddr;
 
 	memset(dopt, 0, sizeof(struct ip_options));
 
@@ -147,7 +148,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 					dopt->ts_needtime = 0;
 
 					if (soffset + 8 <= optlen) {
-						__u32 addr;
+						__be32 addr;
 
 						memcpy(&addr, sptr+soffset-1, 4);
 						if (inet_addr_type(addr) != RTN_LOCAL) {
@@ -164,7 +165,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 	}
 	if (sopt->srr) {
 		unsigned char * start = sptr+sopt->srr;
-		u32 faddr;
+		__be32 faddr;
 
 		optlen  = start[1];
 		soffset = start[2];
@@ -194,6 +195,13 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 			dopt->is_strictroute = sopt->is_strictroute;
 		}
 	}
+	if (sopt->cipso) {
+		optlen  = sptr[sopt->cipso+1];
+		dopt->cipso = dopt->optlen+sizeof(struct iphdr);
+		memcpy(dptr, sptr+sopt->cipso, optlen);
+		dptr += optlen;
+		dopt->optlen += optlen;
+	}
 	while (dopt->optlen & 3) {
 		*dptr++ = IPOPT_END;
 		dopt->optlen++;
@@ -209,7 +217,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
 
 void ip_options_fragment(struct sk_buff * skb) 
 {
-	unsigned char * optptr = skb->nh.raw;
+	unsigned char * optptr = skb->nh.raw + sizeof(struct iphdr);
 	struct ip_options * opt = &(IPCB(skb)->opt);
 	int  l = opt->optlen;
 	int  optlen;
@@ -256,7 +264,6 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 
 	if (!opt) {
 		opt = &(IPCB(skb)->opt);
-		memset(opt, 0, sizeof(struct ip_options));
 		iph = skb->nh.raw;
 		opt->optlen = ((struct iphdr *)iph)->ihl*4 - sizeof(struct iphdr);
 		optptr = iph + sizeof(struct iphdr);
@@ -355,7 +362,7 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 				goto error;
 			}
 			if (optptr[2] <= optlen) {
-				__u32 * timeptr = NULL;
+				__be32 *timeptr = NULL;
 				if (optptr[2]+3 > optptr[1]) {
 					pp_ptr = optptr + 2;
 					goto error;
@@ -364,7 +371,7 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 				      case IPOPT_TS_TSONLY:
 					opt->ts = optptr - iph;
 					if (skb) 
-						timeptr = (__u32*)&optptr[optptr[2]-1];
+						timeptr = (__be32*)&optptr[optptr[2]-1];
 					opt->ts_needtime = 1;
 					optptr[2] += 4;
 					break;
@@ -376,7 +383,7 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 					opt->ts = optptr - iph;
 					if (skb) {
 						memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4);
-						timeptr = (__u32*)&optptr[optptr[2]+3];
+						timeptr = (__be32*)&optptr[optptr[2]+3];
 					}
 					opt->ts_needaddr = 1;
 					opt->ts_needtime = 1;
@@ -389,12 +396,12 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 					}
 					opt->ts = optptr - iph;
 					{
-						u32 addr;
+						__be32 addr;
 						memcpy(&addr, &optptr[optptr[2]-1], 4);
 						if (inet_addr_type(addr) == RTN_UNICAST)
 							break;
 						if (skb)
-							timeptr = (__u32*)&optptr[optptr[2]+3];
+							timeptr = (__be32*)&optptr[optptr[2]+3];
 					}
 					opt->ts_needtime = 1;
 					optptr[2] += 8;
@@ -408,10 +415,10 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 				}
 				if (timeptr) {
 					struct timeval tv;
-					__u32  midtime;
+					__be32  midtime;
 					do_gettimeofday(&tv);
 					midtime = htonl((tv.tv_sec % 86400) * 1000 + tv.tv_usec / 1000);
-					memcpy(timeptr, &midtime, sizeof(__u32));
+					memcpy(timeptr, &midtime, sizeof(__be32));
 					opt->is_changed = 1;
 				}
 			} else {
@@ -435,6 +442,17 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
 			if (optptr[2] == 0 && optptr[3] == 0)
 				opt->router_alert = optptr - iph;
 			break;
+		      case IPOPT_CIPSO:
+			if ((!skb && !capable(CAP_NET_RAW)) || opt->cipso) {
+				pp_ptr = optptr;
+				goto error;
+			}
+			opt->cipso = optptr - iph;
+		        if (cipso_v4_validate(&optptr)) {
+				pp_ptr = optptr;
+				goto error;
+			}
+			break;
 		      case IPOPT_SEC:
 		      case IPOPT_SID:
 		      default:
@@ -507,7 +525,6 @@ static int ip_options_get_finish(struct ip_options **optp,
 		opt->__data[optlen++] = IPOPT_END;
 	opt->optlen = optlen;
 	opt->is_data = 1;
-	opt->is_setbyuser = 1;
 	if (optlen && ip_options_compile(opt, NULL)) {
 		kfree(opt);
 		return -EINVAL;
@@ -590,7 +607,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
 {
 	struct ip_options *opt = &(IPCB(skb)->opt);
 	int srrspace, srrptr;
-	u32 nexthop;
+	__be32 nexthop;
 	struct iphdr *iph = skb->nh.iph;
 	unsigned char * optptr = skb->nh.raw + opt->srr;
 	struct rtable *rt = (struct rtable*)skb->dst;