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X509.xs
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X509.xs
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#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include <openssl/asn1.h>
#include <openssl/objects.h>
#include <openssl/bio.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_EC
# include <openssl/ec.h>
#endif
/* from openssl/apps/apps.h */
#define FORMAT_UNDEF 0
#define FORMAT_ASN1 1
#define FORMAT_TEXT 2
#define FORMAT_PEM 3
#define FORMAT_PKCS12 5
#define FORMAT_SMIME 6
#define FORMAT_ENGINE 7
#define FORMAT_IISSGC 8
/* fake our package name */
typedef X509* Crypt__OpenSSL__X509;
typedef X509_EXTENSION* Crypt__OpenSSL__X509__Extension;
typedef ASN1_OBJECT* Crypt__OpenSSL__X509__ObjectID;
typedef X509_NAME* Crypt__OpenSSL__X509__Name;
typedef X509_NAME_ENTRY* Crypt__OpenSSL__X509__Name_Entry;
typedef X509_CRL* Crypt__OpenSSL__X509__CRL;
/* 1.0 backwards compat */
#ifndef sk_OPENSSL_STRING_num
#define sk_OPENSSL_STRING_num sk_num
#endif
#ifndef sk_OPENSSL_STRING_value
#define sk_OPENSSL_STRING_value sk_value
#endif
#if OPENSSL_VERSION_NUMBER < 0x10100000
#define const_ossl11
static ASN1_INTEGER *X509_get0_serialNumber(const X509 *a)
{
return a->cert_info->serialNumber;
}
static void RSA_get0_key(const RSA *r,
const BIGNUM **n, const BIGNUM **e, const BIGNUM **d)
{
if (n != NULL)
*n = r->n;
if (e != NULL)
*e = r->e;
if (d != NULL)
*d = r->d;
}
static RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
{
if (pkey->type != EVP_PKEY_RSA)
return NULL;
return pkey->pkey.rsa;
}
static void X509_CRL_get0_signature(const X509_CRL *crl, const ASN1_BIT_STRING **psig,
X509_ALGOR **palg)
{
if (psig != NULL)
*psig = crl->signature;
if (palg != NULL)
*palg = crl->sig_alg;
}
static void DSA_get0_pqg(const DSA *d,
const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
{
if (p != NULL)
*p = d->p;
if (q != NULL)
*q = d->q;
if (g != NULL)
*g = d->g;
}
static void DSA_get0_key(const DSA *d,
const BIGNUM **pub_key, const BIGNUM **priv_key)
{
if (pub_key != NULL)
*pub_key = d->pub_key;
if (priv_key != NULL)
*priv_key = d->priv_key;
}
static DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey)
{
if (pkey->type != EVP_PKEY_DSA)
return NULL;
return pkey->pkey.dsa;
}
static EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey)
{
if (pkey->type != EVP_PKEY_EC)
return NULL;
return pkey->pkey.ec;
}
#else
#define const_ossl11 const
#endif
/* Unicode 0xfffd */
static U8 utf8_substitute_char[3] = { 0xef, 0xbf, 0xbd };
/* stolen from OpenSSL.xs */
long bio_write_cb(struct bio_st *bm, int m, const char *ptr, int l, long x, long y) {
if (m == BIO_CB_WRITE) {
SV *sv = (SV *) BIO_get_callback_arg(bm);
sv_catpvn(sv, ptr, l);
}
if (m == BIO_CB_PUTS) {
SV *sv = (SV *) BIO_get_callback_arg(bm);
l = strlen(ptr);
sv_catpvn(sv, ptr, l);
}
return l;
}
static BIO* sv_bio_create(void) {
SV *sv = newSVpvn("", 0);
/* create an in-memory BIO abstraction and callbacks */
BIO *bio = BIO_new(BIO_s_mem());
BIO_set_callback(bio, bio_write_cb);
BIO_set_callback_arg(bio, (void *)sv);
return bio;
}
static SV* sv_bio_final(BIO *bio) {
SV* sv;
(void)BIO_flush(bio);
sv = (SV *)BIO_get_callback_arg(bio);
BIO_set_callback_arg(bio, (void *)NULL);
BIO_set_callback(bio, (void *)NULL);
BIO_free_all(bio);
if (!sv) sv = &PL_sv_undef;
return sv;
}
/* call this just before sv_bio_final if the BIO got an UTF8 encoded text and you want native perl utf-8 strings. */
static SV* sv_bio_utf8_on(BIO *bio) {
SV* sv = (SV *)BIO_get_callback_arg(bio);
/* Illegal utf-8 in the string */
if (!sv_utf8_decode(sv)) {
STRLEN len;
SV *nsv = newSVpvn("", 0);
const U8* start = (U8 *) SvPV(sv, len);
const U8* end = start + len;
const U8* cur;
while ((start < end) && !is_utf8_string_loclen(start, len, &cur, 0)) {
sv_catpvn(nsv, (const char*)start, (cur - start) + 1); /* text that was ok */
sv_catpvn(nsv, (const char*)utf8_substitute_char, 3); /* insert \x{fffd} */
start = cur + 1;
len = end - cur;
}
if (start < end) {
sv_catpvn(nsv, (const char*)start, (cur - start) - 1); /* rest of the string */
}
sv_copypv(sv, nsv);
SvREFCNT_dec(nsv);
sv_utf8_decode(sv); /* should be ok now */
}
return sv;
}
/*
static void sv_bio_error(BIO *bio) {
SV* sv = (SV *)BIO_get_callback_arg(bio);
if (sv) sv_free(sv);
BIO_free_all (bio);
}
*/
static const char *ssl_error(void) {
BIO *bio;
SV *sv;
STRLEN l;
bio = sv_bio_create();
ERR_print_errors(bio);
sv = sv_bio_final(bio);
ERR_clear_error();
return SvPV(sv, l);
}
// Make a scalar ref to a class object
static SV* sv_make_ref(const char* class, void* object) {
SV* rv;
rv = newSV(0);
sv_setref_pv(rv, class, (void*) object);
if (! sv_isa(rv, class) ) {
croak("Error creating reference to %s", class);
}
return rv;
}
/*
* hash of extensions from x509.
* no_name can be
* 0: index by long name,
* 1: index by oid string,
* 2: index by short name
*/
static HV* hv_exts(X509* x509, int no_name) {
X509_EXTENSION *ext;
int i, c, r;
size_t len = 128;
char* key = NULL;
SV* rv;
HV* RETVAL = newHV();
sv_2mortal((SV*)RETVAL);
c = X509_get_ext_count(x509);
if ( !(c > 0) ) {
croak("No extensions found\n");
}
for (i = 0; i < c; i++) {
r = 0;
ext = X509_get_ext(x509, i);
if (ext == NULL) croak("Extension %d unavailable\n", i);
rv = sv_make_ref("Crypt::OpenSSL::X509::Extension", (void*)ext);
if (no_name == 0 || no_name == 1) {
key = malloc(sizeof(char) * (len + 1)); /*FIXME will it leak?*/
r = OBJ_obj2txt(key, len, X509_EXTENSION_get_object(ext), no_name);
} else if (no_name == 2) {
key = (char*)OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(ext)));
r = strlen(key);
}
if (! hv_store(RETVAL, key, r, rv, 0) ) croak("Error storing extension in hash\n");
}
return RETVAL;
}
MODULE = Crypt::OpenSSL::X509 PACKAGE = Crypt::OpenSSL::X509
PROTOTYPES: DISABLE
BOOT:
{
HV *stash = gv_stashpvn("Crypt::OpenSSL::X509", 20, TRUE);
struct { char *n; I32 v; } Crypt__OpenSSL__X509__const[] = {
{"OPENSSL_VERSION_NUMBER", OPENSSL_VERSION_NUMBER},
{"FORMAT_UNDEF", FORMAT_UNDEF},
{"FORMAT_ASN1", FORMAT_ASN1},
{"FORMAT_TEXT", FORMAT_TEXT},
{"FORMAT_PEM", FORMAT_PEM},
{"FORMAT_PKCS12", FORMAT_PKCS12},
{"FORMAT_SMIME", FORMAT_SMIME},
{"FORMAT_ENGINE", FORMAT_ENGINE},
{"FORMAT_IISSGC", FORMAT_IISSGC},
{"V_ASN1_PRINTABLESTRING", V_ASN1_PRINTABLESTRING},
{"V_ASN1_UTF8STRING", V_ASN1_UTF8STRING},
{"V_ASN1_IA5STRING", V_ASN1_IA5STRING},
{Nullch,0}};
char *name;
int i;
for (i = 0; (name = Crypt__OpenSSL__X509__const[i].n); i++) {
newCONSTSUB(stash, name, newSViv(Crypt__OpenSSL__X509__const[i].v));
}
ERR_load_crypto_strings();
OPENSSL_add_all_algorithms_conf();
}
Crypt::OpenSSL::X509
new(class)
SV *class
CODE:
if ((RETVAL = X509_new()) == NULL) {
croak("X509_new");
}
if (!X509_set_version(RETVAL, 2)) {
X509_free(RETVAL);
croak ("%s - can't X509_set_version()", SvPV_nolen(class));
}
ASN1_INTEGER_set(X509_get_serialNumber(RETVAL), 0L);
OUTPUT:
RETVAL
Crypt::OpenSSL::X509
new_from_string(class, string, format = FORMAT_PEM)
SV *class
SV *string
int format
ALIAS:
new_from_file = 1
PREINIT:
BIO *bio;
STRLEN len;
char *cert;
CODE:
cert = SvPV(string, len);
if (ix == 1) {
bio = BIO_new_file(cert, "r");
} else {
bio = BIO_new_mem_buf(cert, len);
}
if (!bio) croak("%s: Failed to create BIO", SvPV_nolen(class));
/* this can come in any number of ways */
if (format == FORMAT_ASN1) {
RETVAL = (X509*)d2i_X509_bio(bio, NULL);
} else {
RETVAL = (X509*)PEM_read_bio_X509(bio, NULL, NULL, NULL);
}
BIO_free_all(bio);
if (!RETVAL) croak("%s: failed to read X509 certificate.", SvPV_nolen(class));
OUTPUT:
RETVAL
void
DESTROY(x509)
Crypt::OpenSSL::X509 x509;
PPCODE:
if (x509) X509_free(x509); x509 = 0;
# This is called via an END block in the Perl module to clean up initialization that happened in BOOT.
void
__X509_cleanup(void)
PPCODE:
CRYPTO_cleanup_all_ex_data();
ERR_free_strings();
#if OPENSSL_VERSION_NUMBER < 0x10100000
ERR_remove_state(0);
#endif
EVP_cleanup();
SV*
accessor(x509)
Crypt::OpenSSL::X509 x509;
ALIAS:
subject = 1
issuer = 2
serial = 3
hash = 4
notBefore = 5
notAfter = 6
email = 7
version = 8
sig_alg_name = 9
key_alg_name = 10
PREINIT:
BIO *bio;
X509_NAME *name;
CODE:
bio = sv_bio_create();
/* this includes both subject and issuer since they are so much alike */
if (ix == 1 || ix == 2) {
if (ix == 1) {
name = X509_get_subject_name(x509);
} else {
name = X509_get_issuer_name(x509);
}
/* this is prefered over X509_NAME_oneline() */
X509_NAME_print_ex(bio, name, 0, (XN_FLAG_SEP_CPLUS_SPC | ASN1_STRFLGS_UTF8_CONVERT) & ~ASN1_STRFLGS_ESC_MSB);
/* this need not be pure ascii, try to get a native perl character string with * utf8 */
sv_bio_utf8_on(bio);
} else if (ix == 3) {
i2a_ASN1_INTEGER(bio, X509_get0_serialNumber(x509));
} else if (ix == 4) {
BIO_printf(bio, "%08lx", X509_subject_name_hash(x509));
} else if (ix == 5) {
ASN1_TIME_print(bio, X509_get_notBefore(x509));
} else if (ix == 6) {
ASN1_TIME_print(bio, X509_get_notAfter(x509));
} else if (ix == 7) {
int j;
STACK_OF(OPENSSL_STRING) *emlst = X509_get1_email(x509);
for (j = 0; j < sk_OPENSSL_STRING_num(emlst); j++) {
BIO_printf(bio, "%s", sk_OPENSSL_STRING_value(emlst, j));
}
X509_email_free(emlst);
} else if (ix == 8) {
BIO_printf(bio, "%02ld", X509_get_version(x509));
} else if (ix == 9) {
const_ossl11 X509_ALGOR *palg;
const_ossl11 ASN1_OBJECT *paobj;
X509_get0_signature(NULL, &palg, x509);
X509_ALGOR_get0(&paobj, NULL, NULL, palg);
i2a_ASN1_OBJECT(bio, paobj);
} else if ( ix == 10 ) {
X509_PUBKEY *pkey;
ASN1_OBJECT *ppkalg;
pkey = X509_get_X509_PUBKEY(x509);
X509_PUBKEY_get0_param(&ppkalg, NULL, NULL, NULL, pkey);
i2a_ASN1_OBJECT(bio, ppkalg);
}
RETVAL = sv_bio_final(bio);
OUTPUT:
RETVAL
Crypt::OpenSSL::X509::Name
subject_name(x509)
Crypt::OpenSSL::X509 x509;
ALIAS:
subject_name = 1
issuer_name = 2
CODE:
if (ix == 1) {
RETVAL = X509_get_subject_name(x509);
} else {
RETVAL = X509_get_issuer_name(x509);
}
OUTPUT:
RETVAL
SV*
sig_print(x509)
Crypt::OpenSSL::X509 x509;
PREINIT:
BIO *bio;
unsigned char *s;
const_ossl11 ASN1_BIT_STRING *psig;
int n,i;
CODE:
X509_get0_signature(&psig, NULL, x509);
n = psig->length;
s = psig->data;
bio = sv_bio_create();
for (i=0; i<n; i++) {
BIO_printf(bio, "%02x", s[i]);
}
RETVAL = sv_bio_final(bio);
OUTPUT:
RETVAL
SV*
as_string(x509, format = FORMAT_PEM)
Crypt::OpenSSL::X509 x509;
int format;
PREINIT:
BIO *bio;
CODE:
bio = sv_bio_create();
/* get the certificate back out in a specified format. */
if (format == FORMAT_PEM) {
PEM_write_bio_X509(bio, x509);
} else if (format == FORMAT_ASN1) {
i2d_X509_bio(bio, x509);
}
RETVAL = sv_bio_final(bio);
OUTPUT:
RETVAL
SV*
bit_length(x509)
Crypt::OpenSSL::X509 x509;
PREINIT:
EVP_PKEY *pkey;
DSA *dsa_pkey;
RSA *rsa_pkey;
EC_KEY *ec_pkey;
const BIGNUM *p;
const BIGNUM *n;
int length;
CODE:
pkey = X509_extract_key(x509);
if (pkey == NULL) {
EVP_PKEY_free(pkey);
croak("Public key is unavailable\n");
}
switch(EVP_PKEY_base_id(pkey)) {
case EVP_PKEY_RSA:
rsa_pkey = EVP_PKEY_get0_RSA(pkey);
RSA_get0_key(rsa_pkey, &n, NULL, NULL);
length = BN_num_bits(n);
break;
case EVP_PKEY_DSA:
dsa_pkey = EVP_PKEY_get0_DSA(pkey);
DSA_get0_pqg(dsa_pkey, &p, NULL, NULL);
length = BN_num_bits(p);
break;
#ifndef OPENSSL_NO_EC
case EVP_PKEY_EC:
{
const EC_GROUP *group;
BIGNUM* ec_order;
ec_order = BN_new();
if ( !ec_order ) {
EVP_PKEY_free(pkey);
croak("Could not malloc bignum");
}
ec_pkey = EVP_PKEY_get0_EC_KEY(pkey);
if ( (group = EC_KEY_get0_group(ec_pkey)) == NULL) {
EVP_PKEY_free(pkey);
croak("No EC group");
}
//
if (!EC_GROUP_get_order(group, ec_order, NULL)) {
EVP_PKEY_free(pkey);
croak("Could not get ec-group order");
}
length = BN_num_bits(ec_order);
//
BN_free(ec_order);
break;
}
#endif
default:
EVP_PKEY_free(pkey);
croak("Unknown public key type");
}
RETVAL = newSVuv(length);
OUTPUT:
RETVAL
const char*
curve(x509)
Crypt::OpenSSL::X509 x509;
PREINIT:
#ifndef OPENSSL_NO_EC
EVP_PKEY *pkey;
#endif
CODE:
#ifdef OPENSSL_NO_EC
if ( x509 ) {} // fix unused variable warning.
croak("OpenSSL without EC-support");
#else
pkey = X509_extract_key(x509);
if (pkey == NULL) {
EVP_PKEY_free(pkey);
croak("Public key is unavailable\n");
}
if ( EVP_PKEY_base_id(pkey) == EVP_PKEY_EC ) {
const EC_GROUP *group;
EC_KEY *ec_pkey;
int nid;
ec_pkey = EVP_PKEY_get0_EC_KEY(pkey);
if ( (group = EC_KEY_get0_group(ec_pkey)) == NULL) {
EVP_PKEY_free(pkey);
croak("No EC group");
}
nid = EC_GROUP_get_curve_name(group);
if ( nid == 0 ) {
EVP_PKEY_free(pkey);
croak("invalid nid");
}
RETVAL = OBJ_nid2sn(nid);
} else {
EVP_PKEY_free(pkey);
croak("Wrong Algorithm type\n");
}
EVP_PKEY_free(pkey);
#endif
OUTPUT:
RETVAL
SV*
modulus(x509)
Crypt::OpenSSL::X509 x509;
PREINIT:
EVP_PKEY *pkey;
BIO *bio;
int pkey_id;
CODE:
pkey = X509_extract_key(x509);
bio = sv_bio_create();
if (pkey == NULL) {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("Modulus is unavailable\n");
}
pkey_id = EVP_PKEY_base_id(pkey);
if (pkey_id == EVP_PKEY_RSA) {
RSA *rsa_pkey;
const BIGNUM *n;
rsa_pkey = EVP_PKEY_get0_RSA(pkey);
RSA_get0_key(rsa_pkey, &n, NULL, NULL);
BN_print(bio, n);
} else if (pkey_id == EVP_PKEY_DSA) {
DSA *dsa_pkey;
const BIGNUM *pub_key;
dsa_pkey = EVP_PKEY_get0_DSA(pkey);
DSA_get0_key(dsa_pkey, &pub_key, NULL);
BN_print(bio, pub_key);
#ifndef OPENSSL_NO_EC
} else if ( pkey_id == EVP_PKEY_EC ) {
const EC_POINT *public_key;
const EC_GROUP *group;
EC_KEY *ec_pkey;
BIGNUM *pub_key=NULL;
ec_pkey = EVP_PKEY_get0_EC_KEY(pkey);
if ( (group = EC_KEY_get0_group(ec_pkey)) == NULL) {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("No EC group");
}
public_key = EC_KEY_get0_public_key(ec_pkey);
if ((pub_key = EC_POINT_point2bn(group, public_key, EC_KEY_get_conv_form(ec_pkey), NULL, NULL)) == NULL) {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("EC library error");
}
BN_print(bio, pub_key);
#endif
} else {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("Wrong Algorithm type\n");
}
RETVAL = sv_bio_final(bio);
EVP_PKEY_free(pkey);
OUTPUT:
RETVAL
SV*
exponent(x509)
Crypt::OpenSSL::X509 x509;
PREINIT:
EVP_PKEY *pkey;
BIO *bio;
ALIAS:
pub_exponent = 1
CODE:
pkey = X509_get_pubkey(x509);
bio = sv_bio_create();
/* Silence warning */
if (ix)
if (pkey == NULL) {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("Exponent is unavailable\n");
}
if (EVP_PKEY_base_id(pkey) == EVP_PKEY_RSA) {
RSA *rsa_pkey;
const BIGNUM *e;
rsa_pkey = EVP_PKEY_get0_RSA(pkey);
RSA_get0_key(rsa_pkey, NULL, &e, NULL);
BN_print(bio, e);
} else {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("Wrong Algorithm type -- exponent only available with RSA\n");
}
RETVAL = sv_bio_final(bio);
EVP_PKEY_free(pkey);
OUTPUT:
RETVAL
SV*
fingerprint_md5(x509)
Crypt::OpenSSL::X509 x509;
ALIAS:
fingerprint_sha1 = 1
fingerprint_sha224 = 2
fingerprint_sha256 = 3
fingerprint_sha384 = 4
fingerprint_sha512 = 5
PREINIT:
const EVP_MD *mds[] = { EVP_md5(), EVP_sha1(), EVP_sha224(), EVP_sha256(), EVP_sha384(), EVP_sha512() };
unsigned char md[EVP_MAX_MD_SIZE];
int i;
unsigned int n;
BIO *bio;
CODE:
bio = sv_bio_create();
if (!X509_digest(x509, mds[ix], md, &n)) {
BIO_free_all(bio);
croak("Digest error: %s", ssl_error());
}
BIO_printf(bio, "%02X", md[0]);
for (i = 1; i < n; i++) {
BIO_printf(bio, ":%02X", md[i]);
}
RETVAL = sv_bio_final(bio);
OUTPUT:
RETVAL
SV*
checkend(x509, checkoffset)
Crypt::OpenSSL::X509 x509;
IV checkoffset;
PREINIT:
time_t now;
CODE:
now = time(NULL);
/* given an offset in seconds, will the certificate be expired? */
if (ASN1_UTCTIME_cmp_time_t(X509_get_notAfter(x509), now + (int)checkoffset) == -1) {
RETVAL = &PL_sv_yes;
} else {
RETVAL = &PL_sv_no;
}
OUTPUT:
RETVAL
SV*
pubkey(x509)
Crypt::OpenSSL::X509 x509;
PREINIT:
EVP_PKEY *pkey;
BIO *bio;
int pkey_id;
CODE:
pkey = X509_get_pubkey(x509);
bio = sv_bio_create();
if (pkey == NULL) {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("Public Key is unavailable\n");
}
pkey_id = EVP_PKEY_base_id(pkey);
if (pkey_id == EVP_PKEY_RSA) {
RSA *rsa_pkey;
rsa_pkey = EVP_PKEY_get0_RSA(pkey);
PEM_write_bio_RSAPublicKey(bio, rsa_pkey);
} else if (pkey_id == EVP_PKEY_DSA) {
DSA *dsa_pkey;
dsa_pkey = EVP_PKEY_get0_DSA(pkey);
PEM_write_bio_DSA_PUBKEY(bio, dsa_pkey);
#ifndef OPENSSL_NO_EC
} else if (pkey_id == EVP_PKEY_EC ) {
EC_KEY *ec_pkey;
ec_pkey = EVP_PKEY_get0_EC_KEY(pkey);
PEM_write_bio_EC_PUBKEY(bio, ec_pkey);
#endif
} else {
BIO_free_all(bio);
EVP_PKEY_free(pkey);
croak("Wrong Algorithm type\n");
}
EVP_PKEY_free(pkey);
RETVAL = sv_bio_final(bio);
OUTPUT:
RETVAL
char*
pubkey_type(x509)
Crypt::OpenSSL::X509 x509;
PREINIT:
EVP_PKEY *pkey;
int pkey_id;
CODE:
RETVAL=NULL;
pkey = X509_get_pubkey(x509);
if(!pkey)
XSRETURN_UNDEF;
pkey_id = EVP_PKEY_base_id(pkey);
if (pkey_id == EVP_PKEY_DSA) {
RETVAL="dsa";
} else if (pkey_id == EVP_PKEY_RSA) {
RETVAL="rsa";
#ifndef OPENSSL_NO_EC
} else if (pkey_id == EVP_PKEY_EC ) {
RETVAL="ec";
#endif
}
OUTPUT:
RETVAL
int
num_extensions(x509)
Crypt::OpenSSL::X509 x509;
CODE:
RETVAL = X509_get_ext_count(x509);
OUTPUT:
RETVAL
Crypt::OpenSSL::X509::Extension
extension(x509, i)
Crypt::OpenSSL::X509 x509;
int i;
PREINIT:
X509_EXTENSION *ext;
int c;
CODE:
ext = NULL;
c = X509_get_ext_count(x509);
if (!(c > 0)) {
croak("No extensions found\n");
} else if (i >= c || i < 0) {
croak("Requested extension index out of range\n");
} else {
ext = X509_get_ext(x509, i);
}
if (ext == NULL) {
// X509_EXTENSION_free(ext); // not needed?
croak("Extension unavailable\n");
}
RETVAL = ext;
OUTPUT:
RETVAL
HV*
extensions(x509)
Crypt::OpenSSL::X509 x509
ALIAS:
extensions_by_long_name = 0
extensions_by_oid = 1
extensions_by_name = 2
CODE:
RETVAL = hv_exts(x509, ix);
OUTPUT:
RETVAL
MODULE = Crypt::OpenSSL::X509 PACKAGE = Crypt::OpenSSL::X509::Extension
int