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Diffstat (limited to 'net/ipv4/ip_options.c')
-rw-r--r--net/ipv4/ip_options.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 406056edc02b..e7437c091326 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -24,6 +24,7 @@
24#include <net/ip.h> 24#include <net/ip.h>
25#include <net/icmp.h> 25#include <net/icmp.h>
26#include <net/route.h> 26#include <net/route.h>
27#include <net/cipso_ipv4.h>
27 28
28/* 29/*
29 * Write options to IP header, record destination address to 30 * Write options to IP header, record destination address to
@@ -194,6 +195,13 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
194 dopt->is_strictroute = sopt->is_strictroute; 195 dopt->is_strictroute = sopt->is_strictroute;
195 } 196 }
196 } 197 }
198 if (sopt->cipso) {
199 optlen = sptr[sopt->cipso+1];
200 dopt->cipso = dopt->optlen+sizeof(struct iphdr);
201 memcpy(dptr, sptr+sopt->cipso, optlen);
202 dptr += optlen;
203 dopt->optlen += optlen;
204 }
197 while (dopt->optlen & 3) { 205 while (dopt->optlen & 3) {
198 *dptr++ = IPOPT_END; 206 *dptr++ = IPOPT_END;
199 dopt->optlen++; 207 dopt->optlen++;
@@ -434,6 +442,17 @@ int ip_options_compile(struct ip_options * opt, struct sk_buff * skb)
434 if (optptr[2] == 0 && optptr[3] == 0) 442 if (optptr[2] == 0 && optptr[3] == 0)
435 opt->router_alert = optptr - iph; 443 opt->router_alert = optptr - iph;
436 break; 444 break;
445 case IPOPT_CIPSO:
446 if (opt->cipso) {
447 pp_ptr = optptr;
448 goto error;
449 }
450 opt->cipso = optptr - iph;
451 if (cipso_v4_validate(&optptr)) {
452 pp_ptr = optptr;
453 goto error;
454 }
455 break;
437 case IPOPT_SEC: 456 case IPOPT_SEC:
438 case IPOPT_SID: 457 case IPOPT_SID:
439 default: 458 default:
@@ -506,7 +525,6 @@ static int ip_options_get_finish(struct ip_options **optp,
506 opt->__data[optlen++] = IPOPT_END; 525 opt->__data[optlen++] = IPOPT_END;
507 opt->optlen = optlen; 526 opt->optlen = optlen;
508 opt->is_data = 1; 527 opt->is_data = 1;
509 opt->is_setbyuser = 1;
510 if (optlen && ip_options_compile(opt, NULL)) { 528 if (optlen && ip_options_compile(opt, NULL)) {
511 kfree(opt); 529 kfree(opt);
512 return -EINVAL; 530 return -EINVAL;