Overhaul of by_dir code to handle dynamic loading of CRLs.
[openssl.git] / crypto / x509 / x509_lu.c
index 1e6c0401459b979dc05fcd9f538c178c9627cd6c..ead1e0b811c7f5475304ab9671d6e58f6c9f7640 100644 (file)
@@ -60,8 +60,7 @@
 #include "cryptlib.h"
 #include <openssl/lhash.h>
 #include <openssl/x509.h>
-
-static STACK_OF(CRYPTO_EX_DATA_FUNCS) *x509_store_meth=NULL;
+#include <openssl/x509v3.h>
 
 X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method)
        {
@@ -94,7 +93,7 @@ void X509_LOOKUP_free(X509_LOOKUP *ctx)
 
 int X509_LOOKUP_init(X509_LOOKUP *ctx)
        {
-       if (ctx->method == NULL) return (0);
+       if (ctx->method == NULL) return 0;
        if (ctx->method->init != NULL)
                return ctx->method->init(ctx);
        else
@@ -185,11 +184,22 @@ X509_STORE *X509_STORE_new(void)
        ret->objs = sk_X509_OBJECT_new(x509_object_cmp);
        ret->cache=1;
        ret->get_cert_methods=sk_X509_LOOKUP_new_null();
-       ret->verify=NULL;
-       ret->verify_cb=NULL;
-       memset(&ret->ex_data,0,sizeof(CRYPTO_EX_DATA));
+       ret->verify=0;
+       ret->verify_cb=0;
+
+       if ((ret->param = X509_VERIFY_PARAM_new()) == NULL)
+               return NULL;
+
+       ret->get_issuer = 0;
+       ret->check_issued = 0;
+       ret->check_revocation = 0;
+       ret->get_crl = 0;
+       ret->check_crl = 0;
+       ret->cert_crl = 0;
+       ret->cleanup = 0;
+
+       CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data);
        ret->references=1;
-       ret->depth=0;
        return ret;
        }
 
@@ -230,7 +240,9 @@ void X509_STORE_free(X509_STORE *vfy)
        sk_X509_LOOKUP_free(sk);
        sk_X509_OBJECT_pop_free(vfy->objs, cleanup);
 
-       CRYPTO_free_ex_data(x509_store_meth,vfy,&vfy->ex_data);
+       CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data);
+       if (vfy->param)
+               X509_VERIFY_PARAM_free(vfy->param);
        OPENSSL_free(vfy);
        }
 
@@ -276,7 +288,7 @@ int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
 
        tmp=X509_OBJECT_retrieve_by_subject(ctx->objs,type,name);
 
-       if (tmp == NULL)
+       if (tmp == NULL || type == X509_LU_CRL)
                {
                for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++)
                        {
@@ -402,14 +414,15 @@ void X509_OBJECT_free_contents(X509_OBJECT *a)
                }
        }
 
-int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
-            X509_NAME *name)
+static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type,
+            X509_NAME *name, int *pnmatch)
        {
        X509_OBJECT stmp;
        X509 x509_s;
        X509_CINF cinf_s;
        X509_CRL crl_s;
        X509_CRL_INFO crl_info_s;
+       int idx;
 
        stmp.type=type;
        switch (type)
@@ -429,7 +442,29 @@ int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
                return -1;
                }
 
-       return sk_X509_OBJECT_find(h,&stmp);
+       idx = sk_X509_OBJECT_find(h,&stmp);
+       if (idx >= 0 && pnmatch)
+               {
+               int tidx;
+               const X509_OBJECT *tobj, *pstmp;
+               *pnmatch = 1;
+               pstmp = &stmp;
+               for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++)
+                       {
+                       tobj = sk_X509_OBJECT_value(h, tidx);
+                       if (x509_object_cmp(&tobj, &pstmp))
+                               break;
+                       (*pnmatch)++;
+                       }
+               }
+       return idx;
+       }
+
+
+int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type,
+            X509_NAME *name)
+       {
+       return x509_object_idx_cnt(h, type, name, NULL);
        }
 
 X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type,
@@ -441,19 +476,126 @@ X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, int type,
        return sk_X509_OBJECT_value(h, idx);
 }
 
+STACK_OF(X509)* X509_STORE_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
+       {
+       int i, idx, cnt;
+       STACK_OF(X509) *sk;
+       X509 *x;
+       X509_OBJECT *obj;
+       sk = sk_X509_new_null();
+       CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
+       idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
+       if (idx < 0)
+               {
+               /* Nothing found in cache: do lookup to possibly add new
+                * objects to cache
+                */
+               X509_OBJECT xobj;
+               CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+               if (!X509_STORE_get_by_subject(ctx, X509_LU_X509, nm, &xobj))
+                       {
+                       sk_X509_free(sk);
+                       return NULL;
+                       }
+               X509_OBJECT_free_contents(&xobj);
+               CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
+               idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_X509,nm, &cnt);
+               if (idx < 0)
+                       {
+                       CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+                       sk_X509_free(sk);
+                       return NULL;
+                       }
+               }
+       for (i = 0; i < cnt; i++, idx++)
+               {
+               obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
+               x = obj->data.x509;
+               CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509);
+               if (!sk_X509_push(sk, x))
+                       {
+                       CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+                       X509_free(x);
+                       sk_X509_pop_free(sk, X509_free);
+                       return NULL;
+                       }
+               }
+       CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+       return sk;
+
+       }
+
+STACK_OF(X509_CRL)* X509_STORE_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
+       {
+       int i, idx, cnt;
+       STACK_OF(X509_CRL) *sk;
+       X509_CRL *x;
+       X509_OBJECT *obj, xobj;
+       sk = sk_X509_CRL_new_null();
+       CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
+       /* Check cache first */
+       idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
+
+       /* Always do lookup to possibly add new CRLs to cache
+        */
+       CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+       if (!X509_STORE_get_by_subject(ctx, X509_LU_CRL, nm, &xobj))
+               {
+               sk_X509_CRL_free(sk);
+               return NULL;
+               }
+       X509_OBJECT_free_contents(&xobj);
+       CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
+       idx = x509_object_idx_cnt(ctx->ctx->objs,X509_LU_CRL, nm, &cnt);
+       if (idx < 0)
+               {
+               CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+               sk_X509_CRL_free(sk);
+               return NULL;
+               }
+
+       for (i = 0; i < cnt; i++, idx++)
+               {
+               obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx);
+               x = obj->data.crl;
+               CRYPTO_add(&x->references, 1, CRYPTO_LOCK_X509_CRL);
+               if (!sk_X509_CRL_push(sk, x))
+                       {
+                       CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+                       X509_CRL_free(x);
+                       sk_X509_CRL_pop_free(sk, X509_CRL_free);
+                       return NULL;
+                       }
+               }
+       CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
+       return sk;
+
+       }
+
 X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, X509_OBJECT *x)
 {
        int idx, i;
        X509_OBJECT *obj;
        idx = sk_X509_OBJECT_find(h, x);
        if (idx == -1) return NULL;
-       if (x->type != X509_LU_X509) return sk_X509_OBJECT_value(h, idx);
+       if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL))
+               return sk_X509_OBJECT_value(h, idx);
        for (i = idx; i < sk_X509_OBJECT_num(h); i++)
                {
                obj = sk_X509_OBJECT_value(h, i);
                if (x509_object_cmp((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x))
                        return NULL;
-               if ((x->type != X509_LU_X509) || !X509_cmp(obj->data.x509, x->data.x509))
+               if (x->type == X509_LU_X509)
+                       {
+                       if (!X509_cmp(obj->data.x509, x->data.x509))
+                               return obj;
+                       }
+               else if (x->type == X509_LU_CRL)
+                       {
+                       if (!X509_CRL_match(obj->data.crl, x->data.crl))
+                               return obj;
+                       }
+               else
                        return obj;
                }
        return NULL;
@@ -485,7 +627,7 @@ int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
                if (ok == X509_LU_RETRY)
                        {
                        X509_OBJECT_free_contents(&obj);
-                       X509err(X509_F_X509_VERIFY_CERT,X509_R_SHOULD_RETRY);
+                       X509err(X509_F_X509_STORE_CTX_GET1_ISSUER,X509_R_SHOULD_RETRY);
                        return -1;
                        }
                else if (ok != X509_LU_FAIL)
@@ -525,5 +667,31 @@ int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
        return 0;
 }
 
+int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags)
+       {
+       return X509_VERIFY_PARAM_set_flags(ctx->param, flags);
+       }
+
+int X509_STORE_set_depth(X509_STORE *ctx, int depth)
+       {
+       X509_VERIFY_PARAM_set_depth(ctx->param, depth);
+       return 1;
+       }
+
+int X509_STORE_set_purpose(X509_STORE *ctx, int purpose)
+       {
+       return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose);
+       }
+
+int X509_STORE_set_trust(X509_STORE *ctx, int trust)
+       {
+       return X509_VERIFY_PARAM_set_trust(ctx->param, trust);
+       }
+
+int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param)
+       {
+       return X509_VERIFY_PARAM_set1(ctx->param, param);
+       }
+
 IMPLEMENT_STACK_OF(X509_LOOKUP)
 IMPLEMENT_STACK_OF(X509_OBJECT)