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removed NAT_TRAVERSAL compile option

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This commit is contained in:
Andreas Steffen
2006-07-07 05:51:20 +00:00
parent dc33fee770
commit 34ee2a46f4
8 changed files with 26 additions and 71 deletions
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src/libfreeswan/Makefile.am
-1
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@@ -13,7 +13,6 @@ libfreeswan_a_SOURCES = addrtoa.c addrtot.c addrtypeof.c anyaddr.c atoaddr.c ato
subnettypeof.c ttoaddr.c ttodata.c ttoprotoport.c ttosa.c ttosubnet.c ttoul.c \ subnettypeof.c ttoaddr.c ttodata.c ttoprotoport.c ttosa.c ttosubnet.c ttoul.c \
ultoa.c ultot.c version.c ultoa.c ultot.c version.c
INCLUDES = -I$(top_srcdir)/src/pluto INCLUDES = -I$(top_srcdir)/src/pluto
AM_CFLAGS = -DNAT_TRAVERSAL
dist_man3_MANS = anyaddr.3 atoaddr.3 atoasr.3 atosa.3 atoul.3 goodmask.3 initaddr.3 initsubnet.3 \ dist_man3_MANS = anyaddr.3 atoaddr.3 atoasr.3 atosa.3 atoul.3 goodmask.3 initaddr.3 initsubnet.3 \
keyblobtoid.3 optionsfrom.3 portof.3 prng.3 rangetosubnet.3 sameaddr.3 subnetof.3 \ keyblobtoid.3 optionsfrom.3 portof.3 prng.3 rangetosubnet.3 sameaddr.3 subnetof.3 \
ttoaddr.3 ttodata.3 ttosa.3 ttoul.3 version.3 ttoaddr.3 ttodata.3 ttosa.3 ttoul.3 version.3
src/libfreeswan/freeswan.h
-7
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@@ -75,15 +75,8 @@
# define DEBUG_NO_STATIC static # define DEBUG_NO_STATIC static
#endif /* CONFIG_IPSEC_DEBUG */ #endif /* CONFIG_IPSEC_DEBUG */
#ifdef CONFIG_IPSEC_NAT_TRAVERSAL /* KERNEL ifdef */
#ifndef NAT_TRAVERSAL
#define NAT_TRAVERSAL
#endif
#endif
#ifdef NAT_TRAVERSAL
#define ESPINUDP_WITH_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */ #define ESPINUDP_WITH_NON_IKE 1 /* draft-ietf-ipsec-nat-t-ike-00/01 */
#define ESPINUDP_WITH_NON_ESP 2 /* draft-ietf-ipsec-nat-t-ike-02 */ #define ESPINUDP_WITH_NON_ESP 2 /* draft-ietf-ipsec-nat-t-ike-02 */
#endif
/* /*
* Basic data types for the address-handling functions. * Basic data types for the address-handling functions.
src/libfreeswan/pfkey.h
+3 -3
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@@ -242,12 +242,12 @@ pfkey_ident_build(struct sadb_ext** pfkey_ext,
uint8_t ident_len, uint8_t ident_len,
char* ident_string); char* ident_string);
#ifdef NAT_TRAVERSAL
#ifdef __KERNEL__ #ifdef __KERNEL__
extern int pfkey_nat_t_new_mapping(struct ipsec_sa *, struct sockaddr *, __u16); extern int pfkey_nat_t_new_mapping(struct ipsec_sa *, struct sockaddr *, __u16);
extern int pfkey_x_nat_t_type_process(struct sadb_ext *pfkey_ext, struct pfkey_extracted_data* extr); extern int pfkey_x_nat_t_type_process(struct sadb_ext *pfkey_ext, struct pfkey_extracted_data* extr);
extern int pfkey_x_nat_t_port_process(struct sadb_ext *pfkey_ext, struct pfkey_extracted_data* extr); extern int pfkey_x_nat_t_port_process(struct sadb_ext *pfkey_ext, struct pfkey_extracted_data* extr);
#endif /* __KERNEL__ */ #endif /* __KERNEL__ */
int int
pfkey_x_nat_t_type_build(struct sadb_ext** pfkey_ext, pfkey_x_nat_t_type_build(struct sadb_ext** pfkey_ext,
uint8_t type); uint8_t type);
@@ -255,7 +255,6 @@ int
pfkey_x_nat_t_port_build(struct sadb_ext** pfkey_ext, pfkey_x_nat_t_port_build(struct sadb_ext** pfkey_ext,
uint16_t exttype, uint16_t exttype,
uint16_t port); uint16_t port);
#endif
int int
pfkey_sens_build(struct sadb_ext** pfkey_ext, pfkey_sens_build(struct sadb_ext** pfkey_ext,
@@ -267,7 +266,8 @@ pfkey_sens_build(struct sadb_ext** pfkey_ext,
uint8_t integ_len, uint8_t integ_len,
uint64_t* integ_bitmap); uint64_t* integ_bitmap);
int pfkey_x_protocol_build(struct sadb_ext **, uint8_t); int
pfkey_x_protocol_build(struct sadb_ext **, uint8_t);
int int
src/libfreeswan/pfkey_v2_build.c
+1 -4
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@@ -454,9 +454,7 @@ pfkey_address_build(struct sadb_ext** pfkey_ext,
case SADB_X_EXT_ADDRESS_DST_FLOW: case SADB_X_EXT_ADDRESS_DST_FLOW:
case SADB_X_EXT_ADDRESS_SRC_MASK: case SADB_X_EXT_ADDRESS_SRC_MASK:
case SADB_X_EXT_ADDRESS_DST_MASK: case SADB_X_EXT_ADDRESS_DST_MASK:
#ifdef NAT_TRAVERSAL
case SADB_X_EXT_NAT_T_OA: case SADB_X_EXT_NAT_T_OA:
#endif
break; break;
default: default:
DEBUGGING( DEBUGGING(
@@ -1164,7 +1162,6 @@ errlab:
return error; return error;
} }
#ifdef NAT_TRAVERSAL
int int
pfkey_x_nat_t_type_build(struct sadb_ext** pfkey_ext, pfkey_x_nat_t_type_build(struct sadb_ext** pfkey_ext,
uint8_t type) uint8_t type)
@@ -1208,6 +1205,7 @@ pfkey_x_nat_t_type_build(struct sadb_ext** pfkey_ext,
errlab: errlab:
return error; return error;
} }
int int
pfkey_x_nat_t_port_build(struct sadb_ext** pfkey_ext, pfkey_x_nat_t_port_build(struct sadb_ext** pfkey_ext,
uint16_t exttype, uint16_t exttype,
@@ -1261,7 +1259,6 @@ pfkey_x_nat_t_port_build(struct sadb_ext** pfkey_ext,
errlab: errlab:
return error; return error;
} }
#endif
int pfkey_x_protocol_build(struct sadb_ext **pfkey_ext, int pfkey_x_protocol_build(struct sadb_ext **pfkey_ext,
uint8_t protocol) uint8_t protocol)
src/libfreeswan/pfkey_v2_debug.c
-2
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@@ -80,12 +80,10 @@ static char *pfkey_sadb_ext_strings[]={
"X-source-mask", /* SADB_X_EXT_ADDRESS_SRC_MASK 23 */ "X-source-mask", /* SADB_X_EXT_ADDRESS_SRC_MASK 23 */
"X-dest-mask", /* SADB_X_EXT_ADDRESS_DST_MASK 24 */ "X-dest-mask", /* SADB_X_EXT_ADDRESS_DST_MASK 24 */
"X-set-debug", /* SADB_X_EXT_DEBUG 25 */ "X-set-debug", /* SADB_X_EXT_DEBUG 25 */
#ifdef NAT_TRAVERSAL
"X-NAT-T-type", /* SADB_X_EXT_NAT_T_TYPE 26 */ "X-NAT-T-type", /* SADB_X_EXT_NAT_T_TYPE 26 */
"X-NAT-T-sport", /* SADB_X_EXT_NAT_T_SPORT 27 */ "X-NAT-T-sport", /* SADB_X_EXT_NAT_T_SPORT 27 */
"X-NAT-T-dport", /* SADB_X_EXT_NAT_T_DPORT 28 */ "X-NAT-T-dport", /* SADB_X_EXT_NAT_T_DPORT 28 */
"X-NAT-T-OA", /* SADB_X_EXT_NAT_T_OA 29 */ "X-NAT-T-OA", /* SADB_X_EXT_NAT_T_OA 29 */
#endif
}; };
const char * const char *
src/libfreeswan/pfkey_v2_ext_bits.c
-14
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@@ -89,10 +89,8 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
| 1<<SADB_EXT_IDENTITY_SRC | 1<<SADB_EXT_IDENTITY_SRC
| 1<<SADB_EXT_IDENTITY_DST | 1<<SADB_EXT_IDENTITY_DST
| 1<<SADB_EXT_SENSITIVITY | 1<<SADB_EXT_SENSITIVITY
#ifdef NAT_TRAVERSAL
| 1<<SADB_X_EXT_NAT_T_SPORT | 1<<SADB_X_EXT_NAT_T_SPORT
| 1<<SADB_X_EXT_NAT_T_DPORT | 1<<SADB_X_EXT_NAT_T_DPORT
#endif
, ,
/* SADB_ADD */ /* SADB_ADD */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
@@ -107,12 +105,10 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
| 1<<SADB_EXT_IDENTITY_SRC | 1<<SADB_EXT_IDENTITY_SRC
| 1<<SADB_EXT_IDENTITY_DST | 1<<SADB_EXT_IDENTITY_DST
| 1<<SADB_EXT_SENSITIVITY | 1<<SADB_EXT_SENSITIVITY
#ifdef NAT_TRAVERSAL
| 1<<SADB_X_EXT_NAT_T_TYPE | 1<<SADB_X_EXT_NAT_T_TYPE
| 1<<SADB_X_EXT_NAT_T_SPORT | 1<<SADB_X_EXT_NAT_T_SPORT
| 1<<SADB_X_EXT_NAT_T_DPORT | 1<<SADB_X_EXT_NAT_T_DPORT
| 1<<SADB_X_EXT_NAT_T_OA | 1<<SADB_X_EXT_NAT_T_OA
#endif
, ,
/* SADB_DELETE */ /* SADB_DELETE */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
@@ -229,7 +225,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
/* SADB_X_DEBUG */ /* SADB_X_DEBUG */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
| 1<<SADB_X_EXT_DEBUG | 1<<SADB_X_EXT_DEBUG
#ifdef NAT_TRAVERSAL
, ,
/* SADB_X_NAT_T_NEW_MAPPING */ /* SADB_X_NAT_T_NEW_MAPPING */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
@@ -238,7 +233,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
| 1<<SADB_EXT_ADDRESS_DST | 1<<SADB_EXT_ADDRESS_DST
| 1<<SADB_X_EXT_NAT_T_SPORT | 1<<SADB_X_EXT_NAT_T_SPORT
| 1<<SADB_X_EXT_NAT_T_DPORT | 1<<SADB_X_EXT_NAT_T_DPORT
#endif
}, },
/* REQUIRED IN */ /* REQUIRED IN */
@@ -374,7 +368,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
/* SADB_X_DEBUG */ /* SADB_X_DEBUG */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
| 1<<SADB_X_EXT_DEBUG | 1<<SADB_X_EXT_DEBUG
#ifdef NAT_TRAVERSAL
, ,
/* SADB_X_NAT_T_NEW_MAPPING */ /* SADB_X_NAT_T_NEW_MAPPING */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
@@ -383,7 +376,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
| 1<<SADB_EXT_ADDRESS_DST | 1<<SADB_EXT_ADDRESS_DST
| 1<<SADB_X_EXT_NAT_T_SPORT | 1<<SADB_X_EXT_NAT_T_SPORT
| 1<<SADB_X_EXT_NAT_T_DPORT | 1<<SADB_X_EXT_NAT_T_DPORT
#endif
} }
}, },
@@ -425,12 +417,10 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
| 1<<SADB_EXT_IDENTITY_SRC | 1<<SADB_EXT_IDENTITY_SRC
| 1<<SADB_EXT_IDENTITY_DST | 1<<SADB_EXT_IDENTITY_DST
| 1<<SADB_EXT_SENSITIVITY | 1<<SADB_EXT_SENSITIVITY
#ifdef NAT_TRAVERSAL
| 1<<SADB_X_EXT_NAT_T_TYPE | 1<<SADB_X_EXT_NAT_T_TYPE
| 1<<SADB_X_EXT_NAT_T_SPORT | 1<<SADB_X_EXT_NAT_T_SPORT
| 1<<SADB_X_EXT_NAT_T_DPORT | 1<<SADB_X_EXT_NAT_T_DPORT
| 1<<SADB_X_EXT_NAT_T_OA | 1<<SADB_X_EXT_NAT_T_OA
#endif
, ,
/* SADB_DELETE */ /* SADB_DELETE */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
@@ -572,7 +562,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
/* SADB_X_DEBUG */ /* SADB_X_DEBUG */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
| 1<<SADB_X_EXT_DEBUG | 1<<SADB_X_EXT_DEBUG
#ifdef NAT_TRAVERSAL
, ,
/* SADB_X_NAT_T_NEW_MAPPING */ /* SADB_X_NAT_T_NEW_MAPPING */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
@@ -581,7 +570,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
| 1<<SADB_EXT_ADDRESS_DST | 1<<SADB_EXT_ADDRESS_DST
| 1<<SADB_X_EXT_NAT_T_SPORT | 1<<SADB_X_EXT_NAT_T_SPORT
| 1<<SADB_X_EXT_NAT_T_DPORT | 1<<SADB_X_EXT_NAT_T_DPORT
#endif
}, },
/* REQUIRED OUT */ /* REQUIRED OUT */
@@ -723,7 +711,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
/* SADB_X_DEBUG */ /* SADB_X_DEBUG */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
| 1<<SADB_X_EXT_DEBUG | 1<<SADB_X_EXT_DEBUG
#ifdef NAT_TRAVERSAL
, ,
/* SADB_X_NAT_T_NEW_MAPPING */ /* SADB_X_NAT_T_NEW_MAPPING */
1<<SADB_EXT_RESERVED 1<<SADB_EXT_RESERVED
@@ -732,7 +719,6 @@ unsigned int extensions_bitmaps[2/*in/out*/][2/*perm/req*/][SADB_MAX + 1/*ext*/]
| 1<<SADB_EXT_ADDRESS_DST | 1<<SADB_EXT_ADDRESS_DST
| 1<<SADB_X_EXT_NAT_T_SPORT | 1<<SADB_X_EXT_NAT_T_SPORT
| 1<<SADB_X_EXT_NAT_T_DPORT | 1<<SADB_X_EXT_NAT_T_DPORT
#endif
} }
} }
}; };
src/libfreeswan/pfkey_v2_parse.c
+2 -10
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@@ -387,9 +387,7 @@ pfkey_address_parse(struct sadb_ext *pfkey_ext)
case SADB_X_EXT_ADDRESS_DST_FLOW: case SADB_X_EXT_ADDRESS_DST_FLOW:
case SADB_X_EXT_ADDRESS_SRC_MASK: case SADB_X_EXT_ADDRESS_SRC_MASK:
case SADB_X_EXT_ADDRESS_DST_MASK: case SADB_X_EXT_ADDRESS_DST_MASK:
#ifdef NAT_TRAVERSAL
case SADB_X_EXT_NAT_T_OA: case SADB_X_EXT_NAT_T_OA:
#endif
break; break;
default: default:
DEBUGGING(PF_KEY_DEBUG_PARSE_PROBLEM, DEBUGGING(PF_KEY_DEBUG_PARSE_PROBLEM,
@@ -1156,18 +1154,17 @@ pfkey_x_ext_protocol_parse(struct sadb_ext *pfkey_ext)
return error; return error;
} }
#ifdef NAT_TRAVERSAL
DEBUG_NO_STATIC int DEBUG_NO_STATIC int
pfkey_x_ext_nat_t_type_parse(struct sadb_ext *pfkey_ext) pfkey_x_ext_nat_t_type_parse(struct sadb_ext *pfkey_ext)
{ {
return 0; return 0;
} }
DEBUG_NO_STATIC int DEBUG_NO_STATIC int
pfkey_x_ext_nat_t_port_parse(struct sadb_ext *pfkey_ext) pfkey_x_ext_nat_t_port_parse(struct sadb_ext *pfkey_ext)
{ {
return 0; return 0;
} }
#endif
#define DEFINEPARSER(NAME) static struct pf_key_ext_parsers_def NAME##_def={NAME, #NAME}; #define DEFINEPARSER(NAME) static struct pf_key_ext_parsers_def NAME##_def={NAME, #NAME};
@@ -1184,10 +1181,8 @@ DEFINEPARSER(pfkey_x_kmprivate_parse);
DEFINEPARSER(pfkey_x_satype_parse); DEFINEPARSER(pfkey_x_satype_parse);
DEFINEPARSER(pfkey_x_ext_debug_parse); DEFINEPARSER(pfkey_x_ext_debug_parse);
DEFINEPARSER(pfkey_x_ext_protocol_parse); DEFINEPARSER(pfkey_x_ext_protocol_parse);
#ifdef NAT_TRAVERSAL
DEFINEPARSER(pfkey_x_ext_nat_t_type_parse); DEFINEPARSER(pfkey_x_ext_nat_t_type_parse);
DEFINEPARSER(pfkey_x_ext_nat_t_port_parse); DEFINEPARSER(pfkey_x_ext_nat_t_port_parse);
#endif
struct pf_key_ext_parsers_def *ext_default_parsers[]= struct pf_key_ext_parsers_def *ext_default_parsers[]=
{ {
@@ -1217,14 +1212,11 @@ struct pf_key_ext_parsers_def *ext_default_parsers[]=
&pfkey_address_parse_def, &pfkey_address_parse_def,
&pfkey_address_parse_def, &pfkey_address_parse_def,
&pfkey_x_ext_debug_parse_def, &pfkey_x_ext_debug_parse_def,
&pfkey_x_ext_protocol_parse_def &pfkey_x_ext_protocol_parse_def ,
#ifdef NAT_TRAVERSAL
,
&pfkey_x_ext_nat_t_type_parse_def, &pfkey_x_ext_nat_t_type_parse_def,
&pfkey_x_ext_nat_t_port_parse_def, &pfkey_x_ext_nat_t_port_parse_def,
&pfkey_x_ext_nat_t_port_parse_def, &pfkey_x_ext_nat_t_port_parse_def,
&pfkey_address_parse_def &pfkey_address_parse_def
#endif
}; };
int int
src/libfreeswan/pfkeyv2.h
+20 -30
View File
@@ -19,29 +19,25 @@ you leave this credit intact on any copies of this file.
#define PF_KEY_V2 2 #define PF_KEY_V2 2
#define PFKEYV2_REVISION 199806L #define PFKEYV2_REVISION 199806L
#define SADB_RESERVED 0 #define SADB_RESERVED 0
#define SADB_GETSPI 1 #define SADB_GETSPI 1
#define SADB_UPDATE 2 #define SADB_UPDATE 2
#define SADB_ADD 3 #define SADB_ADD 3
#define SADB_DELETE 4 #define SADB_DELETE 4
#define SADB_GET 5 #define SADB_GET 5
#define SADB_ACQUIRE 6 #define SADB_ACQUIRE 6
#define SADB_REGISTER 7 #define SADB_REGISTER 7
#define SADB_EXPIRE 8 #define SADB_EXPIRE 8
#define SADB_FLUSH 9 #define SADB_FLUSH 9
#define SADB_DUMP 10 #define SADB_DUMP 10
#define SADB_X_PROMISC 11 #define SADB_X_PROMISC 11
#define SADB_X_PCHANGE 12 #define SADB_X_PCHANGE 12
#define SADB_X_GRPSA 13 #define SADB_X_GRPSA 13
#define SADB_X_ADDFLOW 14 #define SADB_X_ADDFLOW 14
#define SADB_X_DELFLOW 15 #define SADB_X_DELFLOW 15
#define SADB_X_DEBUG 16 #define SADB_X_DEBUG 16
#ifdef NAT_TRAVERSAL #define SADB_X_NAT_T_NEW_MAPPING 17
#define SADB_X_NAT_T_NEW_MAPPING 17 #define SADB_MAX 17
#define SADB_MAX 17
#else
#define SADB_MAX 16
#endif
struct sadb_msg { struct sadb_msg {
uint8_t sadb_msg_version; uint8_t sadb_msg_version;
@@ -219,7 +215,6 @@ struct sadb_x_debug {
uint8_t sadb_x_debug_reserved[4]; uint8_t sadb_x_debug_reserved[4];
}; };
#ifdef NAT_TRAVERSAL
struct sadb_x_nat_t_type { struct sadb_x_nat_t_type {
uint16_t sadb_x_nat_t_type_len; uint16_t sadb_x_nat_t_type_len;
uint16_t sadb_x_nat_t_type_exttype; uint16_t sadb_x_nat_t_type_exttype;
@@ -232,8 +227,7 @@ struct sadb_x_nat_t_port {
uint16_t sadb_x_nat_t_port_port; uint16_t sadb_x_nat_t_port_port;
uint16_t sadb_x_nat_t_port_reserved; uint16_t sadb_x_nat_t_port_reserved;
}; };
#endif
/* /*
* A protocol structure for passing through the transport level * A protocol structure for passing through the transport level
* protocol. It contains more fields than are actually used/needed * protocol. It contains more fields than are actually used/needed
@@ -279,15 +273,11 @@ struct sadb_protocol {
#define SADB_X_EXT_ADDRESS_DST_MASK 24 #define SADB_X_EXT_ADDRESS_DST_MASK 24
#define SADB_X_EXT_DEBUG 25 #define SADB_X_EXT_DEBUG 25
#define SADB_X_EXT_PROTOCOL 26 #define SADB_X_EXT_PROTOCOL 26
#ifdef NAT_TRAVERSAL
#define SADB_X_EXT_NAT_T_TYPE 27 #define SADB_X_EXT_NAT_T_TYPE 27
#define SADB_X_EXT_NAT_T_SPORT 28 #define SADB_X_EXT_NAT_T_SPORT 28
#define SADB_X_EXT_NAT_T_DPORT 29 #define SADB_X_EXT_NAT_T_DPORT 29
#define SADB_X_EXT_NAT_T_OA 30 #define SADB_X_EXT_NAT_T_OA 30
#define SADB_EXT_MAX 30 #define SADB_EXT_MAX 30
#else
#define SADB_EXT_MAX 26
#endif
/* SADB_X_DELFLOW required over and above SADB_X_SAFLAGS_CLEARFLOW */ /* SADB_X_DELFLOW required over and above SADB_X_SAFLAGS_CLEARFLOW */
#define SADB_X_EXT_ADDRESS_DELFLOW \ #define SADB_X_EXT_ADDRESS_DELFLOW \