+#define EXT_END { -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
+
+
+/* X509_PURPOSE stuff */
+
+#define EXFLAG_BCONS 0x1
+#define EXFLAG_KUSAGE 0x2
+#define EXFLAG_XKUSAGE 0x4
+#define EXFLAG_NSCERT 0x8
+
+#define EXFLAG_CA 0x10
+#define EXFLAG_SS 0x20
+#define EXFLAG_V1 0x40
+#define EXFLAG_INVALID 0x80
+#define EXFLAG_SET 0x100
+#define EXFLAG_CRITICAL 0x200
+
+#define KU_DIGITAL_SIGNATURE 0x0080
+#define KU_NON_REPUDIATION 0x0040
+#define KU_KEY_ENCIPHERMENT 0x0020
+#define KU_DATA_ENCIPHERMENT 0x0010
+#define KU_KEY_AGREEMENT 0x0008
+#define KU_KEY_CERT_SIGN 0x0004
+#define KU_CRL_SIGN 0x0002
+#define KU_ENCIPHER_ONLY 0x0001
+#define KU_DECIPHER_ONLY 0x8000
+
+#define NS_SSL_CLIENT 0x80
+#define NS_SSL_SERVER 0x40
+#define NS_SMIME 0x20
+#define NS_OBJSIGN 0x10
+#define NS_SSL_CA 0x04
+#define NS_SMIME_CA 0x02
+#define NS_OBJSIGN_CA 0x01
+#define NS_ANY_CA (NS_SSL_CA|NS_SMIME_CA|NS_OBJSIGN_CA)
+
+#define XKU_SSL_SERVER 0x1
+#define XKU_SSL_CLIENT 0x2
+#define XKU_SMIME 0x4
+#define XKU_CODE_SIGN 0x8
+#define XKU_SGC 0x10
+#define XKU_OCSP_SIGN 0x20
+#define XKU_TIMESTAMP 0x40
+#define XKU_DVCS 0x80
+
+#define X509_PURPOSE_DYNAMIC 0x1
+#define X509_PURPOSE_DYNAMIC_NAME 0x2
+
+typedef struct x509_purpose_st {
+ int purpose;
+ int trust; /* Default trust ID */
+ int flags;
+ int (*check_purpose)(const struct x509_purpose_st *,
+ const X509 *, int);
+ char *name;
+ char *sname;
+ void *usr_data;
+} X509_PURPOSE;
+
+#define X509_PURPOSE_SSL_CLIENT 1
+#define X509_PURPOSE_SSL_SERVER 2
+#define X509_PURPOSE_NS_SSL_SERVER 3
+#define X509_PURPOSE_SMIME_SIGN 4
+#define X509_PURPOSE_SMIME_ENCRYPT 5
+#define X509_PURPOSE_CRL_SIGN 6
+#define X509_PURPOSE_ANY 7
+#define X509_PURPOSE_OCSP_HELPER 8
+
+#define X509_PURPOSE_MIN 1
+#define X509_PURPOSE_MAX 8
+
+/* Flags for X509V3_EXT_print() */
+
+#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
+/* Return error for unknown extensions */
+#define X509V3_EXT_DEFAULT 0
+/* Print error for unknown extensions */
+#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
+/* ASN1 parse unknown extensions */
+#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
+/* BIO_dump unknown extensions */
+#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)
+
+/* Flags for X509V3_add1_i2d */
+
+#define X509V3_ADD_OP_MASK 0xfL
+#define X509V3_ADD_DEFAULT 0L
+#define X509V3_ADD_APPEND 1L
+#define X509V3_ADD_REPLACE 2L
+#define X509V3_ADD_REPLACE_EXISTING 3L
+#define X509V3_ADD_KEEP_EXISTING 4L
+#define X509V3_ADD_DELETE 5L
+#define X509V3_ADD_SILENT 0x10
+
+DECLARE_STACK_OF(X509_PURPOSE)
+
+DECLARE_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)
+
+DECLARE_ASN1_FUNCTIONS(SXNET)
+DECLARE_ASN1_FUNCTIONS(SXNETID)
+
+int SXNET_add_id_asc(SXNET **psx, char *zone, char *user, int userlen);
+int SXNET_add_id_ulong(SXNET **psx, unsigned long lzone, char *user, int userlen);
+int SXNET_add_id_INTEGER(SXNET **psx, ASN1_INTEGER *izone, char *user, int userlen);
+
+ASN1_OCTET_STRING *SXNET_get_id_asc(SXNET *sx, char *zone);
+ASN1_OCTET_STRING *SXNET_get_id_ulong(SXNET *sx, unsigned long lzone);
+ASN1_OCTET_STRING *SXNET_get_id_INTEGER(SXNET *sx, ASN1_INTEGER *zone);
+
+DECLARE_ASN1_FUNCTIONS(AUTHORITY_KEYID)
+
+DECLARE_ASN1_FUNCTIONS(PKEY_USAGE_PERIOD)
+
+DECLARE_ASN1_FUNCTIONS(GENERAL_NAME)
+
+STACK_OF(CONF_VALUE) *i2v_GENERAL_NAME(X509V3_EXT_METHOD *method, GENERAL_NAME *gen, STACK_OF(CONF_VALUE) *ret);
+int GENERAL_NAME_print(BIO *out, GENERAL_NAME *gen);
+
+DECLARE_ASN1_FUNCTIONS(GENERAL_NAMES)
+
+STACK_OF(CONF_VALUE) *i2v_GENERAL_NAMES(X509V3_EXT_METHOD *method,
+ GENERAL_NAMES *gen, STACK_OF(CONF_VALUE) *extlist);
+GENERAL_NAMES *v2i_GENERAL_NAMES(X509V3_EXT_METHOD *method,
+ X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
+
+DECLARE_ASN1_FUNCTIONS(OTHERNAME)
+DECLARE_ASN1_FUNCTIONS(EDIPARTYNAME)
+
+char *i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, ASN1_OCTET_STRING *ia5);
+ASN1_OCTET_STRING *s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD *method, X509V3_CTX *ctx, char *str);
+
+DECLARE_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
+int i2a_ACCESS_DESCRIPTION(BIO *bp, ACCESS_DESCRIPTION* a);