version 1.41, 2001/04/13 23:30:26 |
version 1.41.2.3, 2002/06/23 17:51:15 |
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* @(#)ip_input.c 8.2 (Berkeley) 1/4/94 |
* @(#)ip_input.c 8.2 (Berkeley) 1/4/94 |
*/ |
*/ |
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#include <sys/cdefs.h> |
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__KERNEL_RCSID(0, "$NetBSD$"); |
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#include "opt_inet.h" |
#include "opt_inet.h" |
#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_pfil_hooks.h" |
#include "opt_pfil_hooks.h" |
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#include <sys/kernel.h> |
#include <sys/kernel.h> |
#include <sys/syslog.h> |
#include <sys/syslog.h> |
#include <sys/proc.h> |
#include <sys/proc.h> |
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#include <sys/sysctl.h> |
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#include <net/if.h> |
#include <net/if.h> |
#include <net/if_types.h> |
#include <net/if_types.h> |
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#ifdef INET |
#ifdef INET |
#include <netinet/ip.h> |
#include <netinet/ip.h> |
#include <netinet/ip_icmp.h> |
#include <netinet/ip_icmp.h> |
#endif /*INET*/ |
#endif /* INET */ |
#include <netinet/ip6.h> |
#include <netinet/ip6.h> |
#include <netinet6/in6_var.h> |
#include <netinet6/in6_var.h> |
#include <netinet6/ip6_var.h> |
#include <netinet6/ip6_var.h> |
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#include <netinet/icmp6.h> |
#include <netinet/icmp6.h> |
#include <netinet6/in6_ifattach.h> |
#include <netinet6/in6_ifattach.h> |
#include <netinet6/nd6.h> |
#include <netinet6/nd6.h> |
#include <netinet6/in6_prefix.h> |
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#ifdef IPSEC |
#ifdef IPSEC |
#include <netinet6/ipsec.h> |
#include <netinet6/ipsec.h> |
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/* we need it for NLOOP. */ |
/* we need it for NLOOP. */ |
#include "loop.h" |
#include "loop.h" |
#include "faith.h" |
#include "faith.h" |
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#include "gif.h" |
#include "gif.h" |
#include "bpfilter.h" |
#include "bpfilter.h" |
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#if NGIF > 0 |
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#include <netinet6/in6_gif.h> |
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#endif |
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#include <net/net_osdep.h> |
#include <net/net_osdep.h> |
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extern struct domain inet6domain; |
extern struct domain inet6domain; |
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{ |
{ |
struct ip6protosw *pr; |
struct ip6protosw *pr; |
int i; |
int i; |
struct timeval tv; |
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pr = (struct ip6protosw *)pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW); |
pr = (struct ip6protosw *)pffindproto(PF_INET6, IPPROTO_RAW, SOCK_RAW); |
if (pr == 0) |
if (pr == 0) |
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ip6intrq.ifq_maxlen = ip6qmaxlen; |
ip6intrq.ifq_maxlen = ip6qmaxlen; |
nd6_init(); |
nd6_init(); |
frag6_init(); |
frag6_init(); |
/* |
ip6_flow_seq = arc4random(); |
* in many cases, random() here does NOT return random number |
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* as initialization during bootstrap time occur in fixed order. |
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*/ |
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microtime(&tv); |
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ip6_flow_seq = random() ^ tv.tv_usec; |
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ip6_init2((void *)0); |
ip6_init2((void *)0); |
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ip6_init2(dummy) |
ip6_init2(dummy) |
void *dummy; |
void *dummy; |
{ |
{ |
/* |
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* to route local address of p2p link to loopback, |
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* assign loopback address first. |
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*/ |
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in6_ifattach(&loif[0], NULL); |
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/* nd6_timer_init */ |
/* nd6_timer_init */ |
callout_init(&nd6_timer_ch); |
callout_init(&nd6_timer_ch); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
callout_reset(&nd6_timer_ch, hz, nd6_timer, NULL); |
/* router renumbering prefix list maintenance */ |
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callout_init(&in6_rr_timer_ch); |
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callout_reset(&in6_rr_timer_ch, hz, in6_rr_timer, NULL); |
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} |
} |
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/* |
/* |
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* should the inner packet be considered authentic? |
* should the inner packet be considered authentic? |
* see comment in ah4_input(). |
* see comment in ah4_input(). |
*/ |
*/ |
if (m) { |
m->m_flags &= ~M_AUTHIPHDR; |
m->m_flags &= ~M_AUTHIPHDR; |
m->m_flags &= ~M_AUTHIPDGM; |
m->m_flags &= ~M_AUTHIPDGM; |
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} |
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#endif |
#endif |
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/* |
/* |
* mbuf statistics by kazu |
* mbuf statistics |
*/ |
*/ |
if (m->m_flags & M_EXT) { |
if (m->m_flags & M_EXT) { |
if (m->m_next) |
if (m->m_next) |
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#define M2MMAX (sizeof(ip6stat.ip6s_m2m)/sizeof(ip6stat.ip6s_m2m[0])) |
#define M2MMAX (sizeof(ip6stat.ip6s_m2m)/sizeof(ip6stat.ip6s_m2m[0])) |
if (m->m_next) { |
if (m->m_next) { |
if (m->m_flags & M_LOOP) { |
if (m->m_flags & M_LOOP) { |
ip6stat.ip6s_m2m[loif[0].if_index]++; /*XXX*/ |
ip6stat.ip6s_m2m[loif[0].if_index]++; /* XXX */ |
} else if (m->m_pkthdr.rcvif->if_index < M2MMAX) |
} else if (m->m_pkthdr.rcvif->if_index < M2MMAX) |
ip6stat.ip6s_m2m[m->m_pkthdr.rcvif->if_index]++; |
ip6stat.ip6s_m2m[m->m_pkthdr.rcvif->if_index]++; |
else |
else |
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if (m->m_len < sizeof(struct ip6_hdr)) { |
if (m->m_len < sizeof(struct ip6_hdr)) { |
struct ifnet *inifp; |
struct ifnet *inifp; |
inifp = m->m_pkthdr.rcvif; |
inifp = m->m_pkthdr.rcvif; |
if ((m = m_pullup(m, sizeof(struct ip6_hdr))) == 0) { |
if ((m = m_pullup(m, sizeof(struct ip6_hdr))) == NULL) { |
ip6stat.ip6s_toosmall++; |
ip6stat.ip6s_toosmall++; |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
in6_ifstat_inc(inifp, ifs6_in_hdrerr); |
return; |
return; |
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* not the decapsulated packet. |
* not the decapsulated packet. |
*/ |
*/ |
#ifdef IPSEC |
#ifdef IPSEC |
if (!ipsec_gethist(m, NULL)) |
if (!ipsec_getnhist(m)) |
#else |
#else |
if (1) |
if (1) |
#endif |
#endif |
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} |
} |
#endif /* PFIL_HOOKS */ |
#endif /* PFIL_HOOKS */ |
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ip6stat.ip6s_nxthist[ip6->ip6_nxt]++; |
ip6stat.ip6s_nxthist[ip6->ip6_nxt]++; |
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#ifdef ALTQ |
#ifdef ALTQ |
/* XXX Temporary until ALTQ is changed to use a pfil hook */ |
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if (altq_input != NULL && (*altq_input)(m, AF_INET6) == 0) { |
if (altq_input != NULL && (*altq_input)(m, AF_INET6) == 0) { |
/* packet is dropped by traffic conditioner */ |
/* packet is dropped by traffic conditioner */ |
return; |
return; |
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#endif |
#endif |
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/* |
/* |
* Scope check |
* Check against address spoofing/corruption. |
*/ |
*/ |
if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_src) || |
if (IN6_IS_ADDR_MULTICAST(&ip6->ip6_src) || |
IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_dst)) { |
IN6_IS_ADDR_UNSPECIFIED(&ip6->ip6_dst)) { |
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/* |
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* XXX: "badscope" is not very suitable for a multicast source. |
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*/ |
ip6stat.ip6s_badscope++; |
ip6stat.ip6s_badscope++; |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_addrerr); |
goto bad; |
goto bad; |
} |
} |
/* |
/* |
* The following check is not documented in the spec. Malicious party |
* The following check is not documented in specs. A malicious |
* may be able to use IPv4 mapped addr to confuse tcp/udp stack and |
* party may be able to use IPv4 mapped addr to confuse tcp/udp stack |
* bypass security checks (act as if it was from 127.0.0.1 by using |
* and bypass security checks (act as if it was from 127.0.0.1 by using |
* IPv6 src ::ffff:127.0.0.1). Be cautious. |
* IPv6 src ::ffff:127.0.0.1). Be cautious. |
* |
* |
* This check chokes if we are in SIIT cloud. As none of BSDs support |
* This check chokes if we are in an SIIT cloud. As none of BSDs |
* IPv4-less kernel compilation, we cannot support SIIT environment |
* support IPv4-less kernel compilation, we cannot support SIIT |
* at all. So, it makes more sense for us to reject any malicious |
* environment at all. So, it makes more sense for us to reject any |
* packets for non-SIIT environment, than try to do a partical support |
* malicious packets for non-SIIT environment, than try to do a |
* for SIIT environment. |
* partial support for SIIT environment. |
*/ |
*/ |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
if (IN6_IS_ADDR_V4MAPPED(&ip6->ip6_src) || |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
IN6_IS_ADDR_V4MAPPED(&ip6->ip6_dst)) { |
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* Unicast check |
* Unicast check |
*/ |
*/ |
if (ip6_forward_rt.ro_rt != NULL && |
if (ip6_forward_rt.ro_rt != NULL && |
(ip6_forward_rt.ro_rt->rt_flags & RTF_UP) != 0 && |
(ip6_forward_rt.ro_rt->rt_flags & RTF_UP) != 0 && |
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
&((struct sockaddr_in6 *)(&ip6_forward_rt.ro_dst))->sin6_addr)) |
&((struct sockaddr_in6 *)(&ip6_forward_rt.ro_dst))->sin6_addr)) |
ip6stat.ip6s_forward_cachehit++; |
ip6stat.ip6s_forward_cachehit++; |
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if (ip6_forward_rt.ro_rt && |
if (ip6_forward_rt.ro_rt && |
(ip6_forward_rt.ro_rt->rt_flags & |
(ip6_forward_rt.ro_rt->rt_flags & |
(RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
(RTF_HOST|RTF_GATEWAY)) == RTF_HOST && |
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!(ip6_forward_rt.ro_rt->rt_flags & RTF_CLONED) && |
#if 0 |
#if 0 |
/* |
/* |
* The check below is redundant since the comparison of |
* The check below is redundant since the comparison of |
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* already done through looking up the routing table. |
* already done through looking up the routing table. |
*/ |
*/ |
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
IN6_ARE_ADDR_EQUAL(&ip6->ip6_dst, |
&rt6_key(ip6_forward_rt.ro_rt)->sin6_addr) && |
&rt6_key(ip6_forward_rt.ro_rt)->sin6_addr) && |
#endif |
#endif |
ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_LOOP) { |
ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_LOOP) { |
struct in6_ifaddr *ia6 = |
struct in6_ifaddr *ia6 = |
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} |
} |
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/* |
/* |
* FAITH(Firewall Aided Internet Translator) |
* FAITH (Firewall Aided Internet Translator) |
*/ |
*/ |
#if defined(NFAITH) && 0 < NFAITH |
#if defined(NFAITH) && 0 < NFAITH |
if (ip6_keepfaith) { |
if (ip6_keepfaith) { |
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&& ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_FAITH) { |
&& ip6_forward_rt.ro_rt->rt_ifp->if_type == IFT_FAITH) { |
/* XXX do we need more sanity checks? */ |
/* XXX do we need more sanity checks? */ |
ours = 1; |
ours = 1; |
deliverifp = ip6_forward_rt.ro_rt->rt_ifp; /*faith*/ |
deliverifp = ip6_forward_rt.ro_rt->rt_ifp; /* faith */ |
goto hbhcheck; |
goto hbhcheck; |
} |
} |
} |
} |
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ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
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/* |
/* |
* if the payload length field is 0 and the next header field |
* if the payload length field is 0 and the next header field |
* indicates Hop-by-Hop Options header, then a Jumbo Payload |
* indicates Hop-by-Hop Options header, then a Jumbo Payload |
* option MUST be included. |
* option MUST be included. |
*/ |
*/ |
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/* |
/* |
* Note that if a valid jumbo payload option is |
* Note that if a valid jumbo payload option is |
* contained, ip6_hoptops_input() must set a valid |
* contained, ip6_hoptops_input() must set a valid |
* (non-zero) payload length to the variable plen. |
* (non-zero) payload length to the variable plen. |
*/ |
*/ |
ip6stat.ip6s_badoptions++; |
ip6stat.ip6s_badoptions++; |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
in6_ifstat_inc(m->m_pkthdr.rcvif, ifs6_in_discard); |
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} else if (!ours) { |
} else if (!ours) { |
ip6_forward(m, 0); |
ip6_forward(m, 0); |
return; |
return; |
} |
} |
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ip6 = mtod(m, struct ip6_hdr *); |
ip6 = mtod(m, struct ip6_hdr *); |
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goto bad; |
goto bad; |
} |
} |
#endif |
#endif |
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nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
nxt = (*inet6sw[ip6_protox[nxt]].pr_input)(&m, &off, nxt); |
} |
} |
return; |
return; |
Line 815 ip6_hopopts_input(plenp, rtalertp, mp, o |
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Line 807 ip6_hopopts_input(plenp, rtalertp, mp, o |
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* This function is separate from ip6_hopopts_input() in order to |
* This function is separate from ip6_hopopts_input() in order to |
* handle a case where the sending node itself process its hop-by-hop |
* handle a case where the sending node itself process its hop-by-hop |
* options header. In such a case, the function is called from ip6_output(). |
* options header. In such a case, the function is called from ip6_output(). |
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* |
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* The function assumes that hbh header is located right after the IPv6 header |
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* (RFC2460 p7), opthead is pointer into data content in m, and opthead to |
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* opthead + hbhlen is located in continuous memory region. |
*/ |
*/ |
int |
int |
ip6_process_hopopts(m, opthead, hbhlen, rtalertp, plenp) |
ip6_process_hopopts(m, opthead, hbhlen, rtalertp, plenp) |
Line 829 ip6_process_hopopts(m, opthead, hbhlen, |
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Line 825 ip6_process_hopopts(m, opthead, hbhlen, |
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u_int8_t *opt = opthead; |
u_int8_t *opt = opthead; |
u_int16_t rtalert_val; |
u_int16_t rtalert_val; |
u_int32_t jumboplen; |
u_int32_t jumboplen; |
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const int erroff = sizeof(struct ip6_hdr) + sizeof(struct ip6_hbh); |
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for (; hbhlen > 0; hbhlen -= optlen, opt += optlen) { |
for (; hbhlen > 0; hbhlen -= optlen, opt += optlen) { |
switch (*opt) { |
switch (*opt) { |
Line 849 ip6_process_hopopts(m, opthead, hbhlen, |
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Line 846 ip6_process_hopopts(m, opthead, hbhlen, |
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goto bad; |
goto bad; |
} |
} |
if (*(opt + 1) != IP6OPT_RTALERT_LEN - 2) { |
if (*(opt + 1) != IP6OPT_RTALERT_LEN - 2) { |
/* XXX: should we discard the packet? */ |
/* XXX stat */ |
log(LOG_ERR, "length of router alert opt is inconsitent(%d)", |
icmp6_error(m, ICMP6_PARAM_PROB, |
*(opt + 1)); |
ICMP6_PARAMPROB_HEADER, |
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erroff + opt + 1 - opthead); |
|
return (-1); |
} |
} |
optlen = IP6OPT_RTALERT_LEN; |
optlen = IP6OPT_RTALERT_LEN; |
bcopy((caddr_t)(opt + 2), (caddr_t)&rtalert_val, 2); |
bcopy((caddr_t)(opt + 2), (caddr_t)&rtalert_val, 2); |
Line 864 ip6_process_hopopts(m, opthead, hbhlen, |
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Line 863 ip6_process_hopopts(m, opthead, hbhlen, |
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goto bad; |
goto bad; |
} |
} |
if (*(opt + 1) != IP6OPT_JUMBO_LEN - 2) { |
if (*(opt + 1) != IP6OPT_JUMBO_LEN - 2) { |
/* XXX: should we discard the packet? */ |
/* XXX stat */ |
log(LOG_ERR, "length of jumbopayload opt " |
icmp6_error(m, ICMP6_PARAM_PROB, |
"is inconsistent(%d)\n", |
ICMP6_PARAMPROB_HEADER, |
*(opt + 1)); |
erroff + opt + 1 - opthead); |
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return (-1); |
} |
} |
optlen = IP6OPT_JUMBO_LEN; |
optlen = IP6OPT_JUMBO_LEN; |
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Line 879 ip6_process_hopopts(m, opthead, hbhlen, |
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Line 879 ip6_process_hopopts(m, opthead, hbhlen, |
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if (ip6->ip6_plen) { |
if (ip6->ip6_plen) { |
ip6stat.ip6s_badoptions++; |
ip6stat.ip6s_badoptions++; |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
ICMP6_PARAMPROB_HEADER, |
ICMP6_PARAMPROB_HEADER, |
sizeof(struct ip6_hdr) + |
erroff + opt - opthead); |
sizeof(struct ip6_hbh) + |
return (-1); |
opt - opthead); |
|
return(-1); |
|
} |
} |
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/* |
/* |
Line 905 ip6_process_hopopts(m, opthead, hbhlen, |
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Line 903 ip6_process_hopopts(m, opthead, hbhlen, |
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if (*plenp != 0) { |
if (*plenp != 0) { |
ip6stat.ip6s_badoptions++; |
ip6stat.ip6s_badoptions++; |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
ICMP6_PARAMPROB_HEADER, |
ICMP6_PARAMPROB_HEADER, |
sizeof(struct ip6_hdr) + |
erroff + opt + 2 - opthead); |
sizeof(struct ip6_hbh) + |
return (-1); |
opt + 2 - opthead); |
|
return(-1); |
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} |
} |
#endif |
#endif |
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Line 919 ip6_process_hopopts(m, opthead, hbhlen, |
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Line 915 ip6_process_hopopts(m, opthead, hbhlen, |
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if (jumboplen <= IPV6_MAXPACKET) { |
if (jumboplen <= IPV6_MAXPACKET) { |
ip6stat.ip6s_badoptions++; |
ip6stat.ip6s_badoptions++; |
icmp6_error(m, ICMP6_PARAM_PROB, |
icmp6_error(m, ICMP6_PARAM_PROB, |
ICMP6_PARAMPROB_HEADER, |
ICMP6_PARAMPROB_HEADER, |
sizeof(struct ip6_hdr) + |
erroff + opt + 2 - opthead); |
sizeof(struct ip6_hbh) + |
return (-1); |
opt + 2 - opthead); |
|
return(-1); |
|
} |
} |
*plenp = jumboplen; |
*plenp = jumboplen; |
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Line 933 ip6_process_hopopts(m, opthead, hbhlen, |
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Line 927 ip6_process_hopopts(m, opthead, hbhlen, |
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ip6stat.ip6s_toosmall++; |
ip6stat.ip6s_toosmall++; |
goto bad; |
goto bad; |
} |
} |
if ((optlen = ip6_unknown_opt(opt, m, |
optlen = ip6_unknown_opt(opt, m, |
sizeof(struct ip6_hdr) + |
erroff + opt - opthead); |
sizeof(struct ip6_hbh) + |
if (optlen == -1) |
opt - opthead)) == -1) |
return (-1); |
return(-1); |
|
optlen += 2; |
optlen += 2; |
break; |
break; |
} |
} |
} |
} |
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return(0); |
return (0); |
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bad: |
bad: |
m_freem(m); |
m_freem(m); |
return(-1); |
return (-1); |
} |
} |
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/* |
/* |
Line 1323 ip6_nexthdr(m, off, proto, nxtp) |
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Line 1316 ip6_nexthdr(m, off, proto, nxtp) |
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if (nxtp) |
if (nxtp) |
*nxtp = ip6e.ip6e_nxt; |
*nxtp = ip6e.ip6e_nxt; |
off += (ip6e.ip6e_len + 2) << 2; |
off += (ip6e.ip6e_len + 2) << 2; |
|
if (m->m_pkthdr.len < off) |
|
return -1; |
return off; |
return off; |
|
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case IPPROTO_HOPOPTS: |
case IPPROTO_HOPOPTS: |
Line 1334 ip6_nexthdr(m, off, proto, nxtp) |
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Line 1329 ip6_nexthdr(m, off, proto, nxtp) |
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if (nxtp) |
if (nxtp) |
*nxtp = ip6e.ip6e_nxt; |
*nxtp = ip6e.ip6e_nxt; |
off += (ip6e.ip6e_len + 1) << 3; |
off += (ip6e.ip6e_len + 1) << 3; |
|
if (m->m_pkthdr.len < off) |
|
return -1; |
return off; |
return off; |
|
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case IPPROTO_NONE: |
case IPPROTO_NONE: |
Line 1393 u_char inet6ctlerrmap[PRC_NCMDS] = { |
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Line 1390 u_char inet6ctlerrmap[PRC_NCMDS] = { |
|
ENOPROTOOPT |
ENOPROTOOPT |
}; |
}; |
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#include <uvm/uvm_extern.h> |
|
#include <sys/sysctl.h> |
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|
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int |
int |
ip6_sysctl(name, namelen, oldp, oldlenp, newp, newlen) |
ip6_sysctl(name, namelen, oldp, oldlenp, newp, newlen) |
int *name; |
int *name; |
Line 1443 ip6_sysctl(name, namelen, oldp, oldlenp, |
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Line 1437 ip6_sysctl(name, namelen, oldp, oldlenp, |
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case IPV6CTL_DEFMCASTHLIM: |
case IPV6CTL_DEFMCASTHLIM: |
return sysctl_int(oldp, oldlenp, newp, newlen, |
return sysctl_int(oldp, oldlenp, newp, newlen, |
&ip6_defmcasthlim); |
&ip6_defmcasthlim); |
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#if NGIF > 0 |
case IPV6CTL_GIF_HLIM: |
case IPV6CTL_GIF_HLIM: |
return sysctl_int(oldp, oldlenp, newp, newlen, |
return sysctl_int(oldp, oldlenp, newp, newlen, |
&ip6_gif_hlim); |
&ip6_gif_hlim); |
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#endif |
case IPV6CTL_KAME_VERSION: |
case IPV6CTL_KAME_VERSION: |
return sysctl_rdstring(oldp, oldlenp, newp, __KAME_VERSION); |
return sysctl_rdstring(oldp, oldlenp, newp, __KAME_VERSION); |
case IPV6CTL_USE_DEPRECATED: |
case IPV6CTL_USE_DEPRECATED: |
Line 1453 ip6_sysctl(name, namelen, oldp, oldlenp, |
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Line 1449 ip6_sysctl(name, namelen, oldp, oldlenp, |
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&ip6_use_deprecated); |
&ip6_use_deprecated); |
case IPV6CTL_RR_PRUNE: |
case IPV6CTL_RR_PRUNE: |
return sysctl_int(oldp, oldlenp, newp, newlen, &ip6_rr_prune); |
return sysctl_int(oldp, oldlenp, newp, newlen, &ip6_rr_prune); |
#ifndef INET6_BINDV6ONLY |
case IPV6CTL_V6ONLY: |
case IPV6CTL_BINDV6ONLY: |
#ifdef INET6_BINDV6ONLY |
return sysctl_int(oldp, oldlenp, newp, newlen, |
return sysctl_rdint(oldp, oldlenp, newp, ip6_v6only); |
&ip6_bindv6only); |
#else |
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return sysctl_int(oldp, oldlenp, newp, newlen, &ip6_v6only); |
#endif |
#endif |
case IPV6CTL_ANONPORTMIN: |
case IPV6CTL_ANONPORTMIN: |
old = ip6_anonportmin; |
old = ip6_anonportmin; |
Line 1510 ip6_sysctl(name, namelen, oldp, oldlenp, |
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Line 1507 ip6_sysctl(name, namelen, oldp, oldlenp, |
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} |
} |
return (error); |
return (error); |
#endif |
#endif |
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case IPV6CTL_MAXFRAGS: |
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return sysctl_int(oldp, oldlenp, newp, newlen, &ip6_maxfrags); |
default: |
default: |
return EOPNOTSUPP; |
return EOPNOTSUPP; |
} |
} |