pkcs12 accessors

Reviewed-by: NRich Salz <rsalz@openssl.org>

crypto/pkcs12/p12_attr.c

@@ -137,3 +137,8 @@ char *PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag)
     return OPENSSL_uni2asc(atype->value.bmpstring->data,
                            atype->value.bmpstring->length);
 }
+
+STACK_OF(X509_ATTRIBUTE) *PKCS12_SAFEBAG_get0_attrs(PKCS12_SAFEBAG *bag)
+{
+    return bag->attrib;
+}

crypto/pkcs12/p12_utl.c

@@ -177,6 +177,31 @@ int PKCS12_mac_present(PKCS12 *p12)
 return p12->mac ? 1 : 0;
 }
 
+void PKCS12_get0_mac(ASN1_OCTET_STRING **pmac, X509_ALGOR **pmacalg,
+                     ASN1_OCTET_STRING **psalt, ASN1_INTEGER **piter,
+                     PKCS12 *p12)
+{
+    if (p12->mac) {
+        if (pmac)
+            *pmac = p12->mac->dinfo->digest;
+        if (pmacalg)
+            *pmacalg = p12->mac->dinfo->algor;
+        if (psalt)
+            *psalt = p12->mac->salt;
+        if (piter)
+            *piter = p12->mac->iter;
+    } else {
+        if (pmac)
+            *pmac = NULL;
+        if (pmacalg)
+            *pmacalg = NULL;
+        if (psalt)
+            *psalt = NULL;
+        if (piter)
+            *piter = NULL;
+    }
+}
+
 int PKCS12_bag_type(PKCS12_SAFEBAG *bag)
 {
     return OBJ_obj2nid(bag->type);
@@ -196,9 +221,21 @@ PKCS8_PRIV_KEY_INFO *PKCS12_SAFEBAG_get0_p8inf(PKCS12_SAFEBAG *bag)
     return bag->value.keybag;
 }
 
+X509_SIG *PKCS12_SAFEBAG_get0_pkcs8(PKCS12_SAFEBAG *bag)
+{
+    if (OBJ_obj2nid(bag->type) != NID_pkcs8ShroudedKeyBag)
+        return NULL;
+    return bag->value.shkeybag;
+}
+
 STACK_OF(PKCS12_SAFEBAG) *PKCS12_SAFEBAG_get0_safes(PKCS12_SAFEBAG *bag)
 {
     if (OBJ_obj2nid(bag->type) != NID_safeContentsBag)
         return NULL;
     return bag->value.safes;
 }
+
+ASN1_OBJECT *PKCS12_SAFEBAG_get0_type(PKCS12_SAFEBAG *bag)
+{
+    return bag->type;
+}

include/openssl/pkcs12.h

@@ -134,10 +134,15 @@ typedef struct pkcs12_bag_st PKCS12_BAGS;
 ASN1_TYPE *PKCS12_get_attr(PKCS12_SAFEBAG *bag, int attr_nid);
 ASN1_TYPE *PKCS8_get_attr(PKCS8_PRIV_KEY_INFO *p8, int attr_nid);
 int PKCS12_mac_present(PKCS12 *p12);
+void PKCS12_get0_mac(ASN1_OCTET_STRING **pmac, X509_ALGOR **pmacalg,
+                     ASN1_OCTET_STRING **psalt, ASN1_INTEGER **piter,
+                     PKCS12 *p12);
 int PKCS12_bag_type(PKCS12_SAFEBAG *bag);
 int PKCS12_cert_bag_type(PKCS12_SAFEBAG *bag);
 PKCS8_PRIV_KEY_INFO *PKCS12_SAFEBAG_get0_p8inf(PKCS12_SAFEBAG *bag);
+X509_SIG *PKCS12_SAFEBAG_get0_pkcs8(PKCS12_SAFEBAG *bag);
 STACK_OF(PKCS12_SAFEBAG) *PKCS12_SAFEBAG_get0_safes(PKCS12_SAFEBAG *bag);
+ASN1_OBJECT *PKCS12_SAFEBAG_get0_type(PKCS12_SAFEBAG *bag);
 
 PKCS12_SAFEBAG *PKCS12_x5092certbag(X509 *x509);
 PKCS12_SAFEBAG *PKCS12_x509crl2certbag(X509_CRL *crl);
@@ -182,6 +187,7 @@ int PKCS12_add_friendlyname_uni(PKCS12_SAFEBAG *bag,
 int PKCS8_add_keyusage(PKCS8_PRIV_KEY_INFO *p8, int usage);
 ASN1_TYPE *PKCS12_get_attr_gen(STACK_OF(X509_ATTRIBUTE) *attrs, int attr_nid);
 char *PKCS12_get_friendlyname(PKCS12_SAFEBAG *bag);
+STACK_OF(X509_ATTRIBUTE) *PKCS12_SAFEBAG_get0_attrs(PKCS12_SAFEBAG *bag);
 unsigned char *PKCS12_pbe_crypt(X509_ALGOR *algor, const char *pass,
                                 int passlen, unsigned char *in, int inlen,
                                 unsigned char **data, int *datalen,