#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/rand.h>
+#include <openssl/x509v3.h>
/*****************************************************
static uschar *
bio_string_copy(BIO * bp, int len)
{
-uschar * cp = "";
+uschar * cp = US"";
len = len > 0 ? (int) BIO_get_mem_data(bp, &cp) : 0;
cp = string_copyn(cp, len);
BIO_free(bp);
}
static uschar *
-asn1_time_copy(const ASN1_TIME * time)
+bio_string_time_to_int(BIO * bp, int len)
+{
+uschar * cp = US"";
+struct tm t;
+len = len > 0 ? (int) BIO_get_mem_data(bp, &cp) : 0;
+/*XXX %Z might be glibc-specific? */
+(void) strptime(CS cp, "%b%t%e%t%T%t%Y%t%Z", &t);
+BIO_free(bp);
+/*XXX timegm might not be portable? */
+return string_sprintf("%u", (unsigned) timegm(&t));
+}
+
+static uschar *
+asn1_time_copy(const ASN1_TIME * time, uschar * mod)
{
BIO * bp = BIO_new(BIO_s_mem());
int len = ASN1_TIME_print(bp, time);
-return bio_string_copy(bp, len);
+return mod && Ustrcmp(mod, "int") == 0
+ ? bio_string_time_to_int(bp, len)
+ : bio_string_copy(bp, len);
}
static uschar *
/**/
uschar *
-tls_cert_issuer(void * cert)
+tls_cert_issuer(void * cert, uschar * mod)
{
-return x509_name_copy(X509_get_issuer_name((X509 *)cert));
+uschar * cp = x509_name_copy(X509_get_issuer_name((X509 *)cert));
+return mod ? tls_field_from_dn(cp, mod) : cp;
}
uschar *
-tls_cert_not_before(void * cert)
+tls_cert_not_before(void * cert, uschar * mod)
{
-return asn1_time_copy(X509_get_notBefore((X509 *)cert));
+return asn1_time_copy(X509_get_notBefore((X509 *)cert), mod);
}
uschar *
-tls_cert_not_after(void * cert)
+tls_cert_not_after(void * cert, uschar * mod)
{
-return asn1_time_copy(X509_get_notAfter((X509 *)cert));
+return asn1_time_copy(X509_get_notAfter((X509 *)cert), mod);
}
uschar *
-tls_cert_serial_number(void * cert)
+tls_cert_serial_number(void * cert, uschar * mod)
{
uschar txt[256];
BIO * bp = BIO_new(BIO_s_mem());
}
uschar *
-tls_cert_signature(void * cert)
+tls_cert_signature(void * cert, uschar * mod)
{
BIO * bp = BIO_new(BIO_s_mem());
uschar * cp = NULL;
}
uschar *
-tls_cert_signature_algorithm(void * cert)
+tls_cert_signature_algorithm(void * cert, uschar * mod)
{
-return string_copy(OBJ_nid2ln(X509_get_signature_type((X509 *)cert)));
+return string_copy(US OBJ_nid2ln(X509_get_signature_type((X509 *)cert)));
}
uschar *
-tls_cert_subject(void * cert)
+tls_cert_subject(void * cert, uschar * mod)
{
-return x509_name_copy(X509_get_subject_name((X509 *)cert));
+uschar * cp = x509_name_copy(X509_get_subject_name((X509 *)cert));
+return mod ? tls_field_from_dn(cp, mod) : cp;
}
uschar *
-tls_cert_version(void * cert)
+tls_cert_version(void * cert, uschar * mod)
{
return string_sprintf("%d", X509_get_version((X509 *)cert));
}
uschar *
tls_cert_ext_by_oid(void * cert, uschar * oid, int idx)
{
-int nid = OBJ_create(oid, "", "");
+int nid = OBJ_create(CS oid, "", "");
int nidx = X509_get_ext_by_NID((X509 *)cert, nid, idx);
X509_EXTENSION * ex = X509_get_ext((X509 *)cert, nidx);
ASN1_OCTET_STRING * adata = X509_EXTENSION_get_data(ex);
while(len)
{
- sprintf(cp2, "%.2x ", *cp1++);
+ sprintf(CS cp2, "%.2x ", *cp1++);
cp2 += 3;
len--;
}
}
uschar *
-tls_cert_subject_altname(void * cert)
+tls_cert_subject_altname(void * cert, uschar * mod)
{
-uschar * cp;
+uschar * list = NULL;
STACK_OF(GENERAL_NAME) * san = (STACK_OF(GENERAL_NAME) *)
X509_get_ext_d2i((X509 *)cert, NID_subject_alt_name, NULL, NULL);
+uschar sep = '\n';
+uschar * tag = US"";
+uschar * ele;
+int match = -1;
+int len;
if (!san) return NULL;
+while (mod)
+ {
+ if (*mod == '>' && *++mod) sep = *mod++;
+ else if (Ustrcmp(mod, "dns")==0) { match = GEN_DNS; mod += 3; }
+ else if (Ustrcmp(mod, "uri")==0) { match = GEN_URI; mod += 3; }
+ else if (Ustrcmp(mod, "mail")==0) { match = GEN_EMAIL; mod += 4; }
+ else continue;
+
+ if (*mod++ != ',')
+ break;
+ }
+
while (sk_GENERAL_NAME_num(san) > 0)
{
GENERAL_NAME * namePart = sk_GENERAL_NAME_pop(san);
+ if (match != -1 && match != namePart->type)
+ continue;
switch (namePart->type)
{
+ case GEN_DNS:
+ tag = US"DNS";
+ ele = ASN1_STRING_data(namePart->d.dNSName);
+ len = ASN1_STRING_length(namePart->d.dNSName);
+ break;
case GEN_URI:
- cp = string_sprintf("URI=%s",
- ASN1_STRING_data(namePart->d.uniformResourceIdentifier));
- return cp;
+ tag = US"URI";
+ ele = ASN1_STRING_data(namePart->d.uniformResourceIdentifier);
+ len = ASN1_STRING_length(namePart->d.uniformResourceIdentifier);
+ break;
case GEN_EMAIL:
- cp = string_sprintf("email=%s",
- ASN1_STRING_data(namePart->d.rfc822Name));
- return cp;
+ tag = US"MAIL";
+ ele = ASN1_STRING_data(namePart->d.rfc822Name);
+ len = ASN1_STRING_length(namePart->d.rfc822Name);
+ break;
default:
- cp = string_sprintf("Unrecognisable");
- return cp;
+ continue; /* ignore unrecognised types */
}
+ if (ele[len]) /* not nul-terminated */
+ ele = string_copyn(ele, len);
+
+ if (strnlen(CS ele, len) == len) /* ignore any with embedded nul */
+ list = string_append_listele(list, sep,
+ match == -1 ? string_sprintf("%s=%s", tag, ele) : ele);
}
-/* sk_GENERAL_NAME_pop_free(gen_names, GENERAL_NAME_free); ??? */
-return cp;
+sk_GENERAL_NAME_free(san);
+return list;
}
uschar *
-tls_cert_ocsp_uri(void * cert)
+tls_cert_ocsp_uri(void * cert, uschar * mod)
{
STACK_OF(ACCESS_DESCRIPTION) * ads = (STACK_OF(ACCESS_DESCRIPTION) *)
X509_get_ext_d2i((X509 *)cert, NID_info_access, NULL, NULL);
int adsnum = sk_ACCESS_DESCRIPTION_num(ads);
int i;
+uschar sep = '\n';
+uschar * list = NULL;
+
+if (mod)
+ if (*mod == '>' && *++mod) sep = *mod++;
for (i = 0; i < adsnum; i++)
{
ACCESS_DESCRIPTION * ad = sk_ACCESS_DESCRIPTION_value(ads, i);
if (ad && OBJ_obj2nid(ad->method) == NID_ad_OCSP)
- return string_copy( ASN1_STRING_data(ad->location->d.ia5) );
+ list = string_append_listele(list, sep,
+ ASN1_STRING_data(ad->location->d.ia5));
}
-
-return NULL;
+return list;
}
uschar *
-tls_cert_crl_uri(void * cert)
+tls_cert_crl_uri(void * cert, uschar * mod)
{
STACK_OF(DIST_POINT) * dps = (STACK_OF(DIST_POINT) *)
X509_get_ext_d2i((X509 *)cert, NID_crl_distribution_points,
DIST_POINT * dp;
int dpsnum = sk_DIST_POINT_num(dps);
int i;
+uschar sep = '\n';
+uschar * list = NULL;
+
+if (mod)
+ if (*mod == '>' && *++mod) sep = *mod++;
if (dps) for (i = 0; i < dpsnum; i++)
if ((dp = sk_DIST_POINT_value(dps, i)))
if ( (np = sk_GENERAL_NAME_value(names, j))
&& np->type == GEN_URI
)
- return string_copy(ASN1_STRING_data(
- np->d.uniformResourceIdentifier));
+ list = string_append_listele(list, sep,
+ ASN1_STRING_data(np->d.uniformResourceIdentifier));
}
-return NULL;
+return list;
}
+
+
+/*****************************************************
+* Certificate operator routines
+*****************************************************/
+static uschar *
+fingerprint(X509 * cert, const EVP_MD * fdig)
+{
+int j;
+unsigned int n;
+uschar md[EVP_MAX_MD_SIZE];
+uschar * cp;
+
+if (!X509_digest(cert,fdig,md,&n))
+ {
+ expand_string_message = US"tls_cert_fprt: out of mem\n";
+ return NULL;
+ }
+cp = store_get(n*2+1);
+for (j = 0; j < (int)n; j++) sprintf(CS cp+2*j, "%02X", md[j]);
+return(cp);
+}
+
+uschar *
+tls_cert_fprt_md5(void * cert)
+{
+return fingerprint((X509 *)cert, EVP_md5());
+}
+
+uschar *
+tls_cert_fprt_sha1(void * cert)
+{
+return fingerprint((X509 *)cert, EVP_sha1());
+}
+
+uschar *
+tls_cert_fprt_sha256(void * cert)
+{
+return fingerprint((X509 *)cert, EVP_sha256());
+}
+
+
/* vi: aw ai sw=2
*/
/* End of tlscert-openssl.c */