+{
+ if (!a)
+ return;
+ switch (a->type) {
+ default:
+ break;
+ case X509_LU_X509:
+ X509_free(a->data.x509);
+ break;
+ case X509_LU_CRL:
+ X509_CRL_free(a->data.crl);
+ break;
+ }
+}
+
+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_CRL crl_s;
+ int idx;
+
+ stmp.type = type;
+ switch (type) {
+ case X509_LU_X509:
+ stmp.data.x509 = &x509_s;
+ x509_s.cert_info.subject = name;
+ break;
+ case X509_LU_CRL:
+ stmp.data.crl = &crl_s;
+ crl_s.crl.issuer = name;
+ break;
+ default:
+ /* abort(); */
+ return -1;
+ }
+
+ 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, X509_NAME *name)
+{
+ int idx;
+ idx = X509_OBJECT_idx_by_subject(h, type, name);
+ if (idx == -1)
+ return NULL;
+ 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_w_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_w_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_w_lock(CRYPTO_LOCK_X509_STORE);
+ idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
+ if (idx < 0) {
+ CRYPTO_w_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;
+ X509_up_ref(x);
+ if (!sk_X509_push(sk, x)) {
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+ X509_free(x);
+ sk_X509_pop_free(sk, X509_free);
+ return NULL;
+ }
+ }
+ CRYPTO_w_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();
+
+ /*
+ * Always do lookup to possibly add new CRLs to cache
+ */
+ 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_w_lock(CRYPTO_LOCK_X509_STORE);
+ idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
+ if (idx < 0) {
+ CRYPTO_w_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;
+ X509_CRL_up_ref(x);
+ if (!sk_X509_CRL_push(sk, x)) {
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+ X509_CRL_free(x);
+ sk_X509_CRL_pop_free(sk, X509_CRL_free);
+ return NULL;
+ }
+ }
+ CRYPTO_w_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) && (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) {
+ 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;
+}
+
+/*-
+ * Try to get issuer certificate from store. Due to limitations
+ * of the API this can only retrieve a single certificate matching
+ * a given subject name. However it will fill the cache with all
+ * matching certificates, so we can examine the cache for all
+ * matches.
+ *
+ * Return values are:
+ * 1 lookup successful.
+ * 0 certificate not found.
+ * -1 some other error.
+ */
+int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x)
+{
+ X509_NAME *xn;
+ X509_OBJECT obj, *pobj;
+ int i, ok, idx, ret;
+ *issuer = NULL;
+ xn = X509_get_issuer_name(x);
+ ok = X509_STORE_get_by_subject(ctx, X509_LU_X509, xn, &obj);
+ if (ok != X509_LU_X509) {
+ if (ok == X509_LU_RETRY) {
+ X509_OBJECT_free_contents(&obj);
+ X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);
+ return -1;
+ } else if (ok != X509_LU_FAIL) {
+ X509_OBJECT_free_contents(&obj);
+ /* not good :-(, break anyway */
+ return -1;
+ }
+ return 0;
+ }
+ /* If certificate matches all OK */
+ if (ctx->check_issued(ctx, x, obj.data.x509)) {
+ if (x509_check_cert_time(ctx, obj.data.x509, 1)) {
+ *issuer = obj.data.x509;
+ return 1;
+ }
+ }
+ X509_OBJECT_free_contents(&obj);
+
+ /* Else find index of first cert accepted by 'check_issued' */
+ ret = 0;
+ CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
+ idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn);
+ if (idx != -1) { /* should be true as we've had at least one
+ * match */
+ /* Look through all matching certs for suitable issuer */
+ for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) {
+ pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i);
+ /* See if we've run past the matches */
+ if (pobj->type != X509_LU_X509)
+ break;
+ if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509)))
+ break;
+ if (ctx->check_issued(ctx, x, pobj->data.x509)) {
+ *issuer = pobj->data.x509;
+ ret = 1;
+ /*
+ * If times check, exit with match,
+ * otherwise keep looking. Leave last
+ * match in issuer so we return nearest
+ * match if no certificate time is OK.
+ */
+
+ if (x509_check_cert_time(ctx, *issuer, 1))
+ break;
+ }
+ }
+ }
+ CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
+ if (*issuer)
+ X509_up_ref(*issuer);
+ return ret;
+}
+
+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);
+}
+
+void X509_STORE_set_verify_cb(X509_STORE *ctx,
+ int (*verify_cb) (int, X509_STORE_CTX *))
+{
+ ctx->verify_cb = verify_cb;
+}
+
+void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx,
+ STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX
+ *ctx,
+ X509_NAME *nm))
+{
+ ctx->lookup_crls = cb;
+}
+
+X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
+{
+ return ctx->ctx;
+}