- {
- int i;
- STACK_OF(X509_LOOKUP) *sk;
- X509_LOOKUP *lu;
-
- sk=v->get_cert_methods;
- for (i=0; i<sk_X509_LOOKUP_num(sk); i++)
- {
- lu=sk_X509_LOOKUP_value(sk,i);
- if (m == lu->method)
- {
- return(lu);
- }
- }
- /* a new one */
- lu=X509_LOOKUP_new(m);
- if (lu == NULL)
- return(NULL);
- else
- {
- lu->store_ctx=v;
- if (sk_X509_LOOKUP_push(v->get_cert_methods,lu))
- return(lu);
- else
- {
- X509_LOOKUP_free(lu);
- return(NULL);
- }
- }
- }
-
-int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name,
- X509_OBJECT *ret)
- {
- X509_STORE *ctx=vs->ctx;
- X509_LOOKUP *lu;
- X509_OBJECT stmp,*tmp;
- int i,j;
-
- tmp=X509_OBJECT_retrieve_by_subject(ctx->certs,type,name);
-
- if (tmp == NULL)
- {
- for (i=vs->current_method; i<sk_X509_LOOKUP_num(ctx->get_cert_methods); i++)
- {
- lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i);
- j=X509_LOOKUP_by_subject(lu,type,name,&stmp);
- if (j < 0)
- {
- vs->current_method=j;
- return(j);
- }
- else if (j)
- {
- tmp= &stmp;
- break;
- }
- }
- vs->current_method=0;
- if (tmp == NULL)
- return(0);
- }
-
-/* if (ret->data.ptr != NULL)
- X509_OBJECT_free_contents(ret); */
-
- ret->type=tmp->type;
- ret->data.ptr=tmp->data.ptr;
-
- X509_OBJECT_up_ref_count(ret);
-
- return(1);
- }
-
-void X509_OBJECT_up_ref_count(X509_OBJECT *a)
- {
- switch (a->type)
- {
- case X509_LU_X509:
- CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509);
- break;
- case X509_LU_CRL:
- CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL);
- break;
- }
- }
-
-void X509_OBJECT_free_contents(X509_OBJECT *a)
- {
- switch (a->type)
- {
- case X509_LU_X509:
- X509_free(a->data.x509);
- break;
- case X509_LU_CRL:
- X509_CRL_free(a->data.crl);
- break;
- }
- }
-
-X509_OBJECT *X509_OBJECT_retrieve_by_subject(LHASH *h, int type,
- X509_NAME *name)
- {
- X509_OBJECT stmp,*tmp;
- X509 x509_s;
- X509_CINF cinf_s;
- X509_CRL crl_s;
- X509_CRL_INFO crl_info_s;
-
- stmp.type=type;
- switch (type)
- {
- case X509_LU_X509:
- stmp.data.x509= &x509_s;
- x509_s.cert_info= &cinf_s;
- cinf_s.subject=name;
- break;
- case X509_LU_CRL:
- stmp.data.crl= &crl_s;
- crl_s.crl= &crl_info_s;
- crl_info_s.issuer=name;
- break;
- default:
- abort();
- }
-
- tmp=(X509_OBJECT *)lh_retrieve(h,(char *)&stmp);
- return(tmp);
- }
-
-X509_STORE_CTX *X509_STORE_CTX_new(void)
-{
- X509_STORE_CTX *ctx;
- ctx = (X509_STORE_CTX *)Malloc(sizeof(X509_STORE_CTX));
- if(ctx) memset(ctx, 0, sizeof(X509_STORE_CTX));
- return ctx;
-}
-
-void X509_STORE_CTX_free(X509_STORE_CTX *ctx)
-{
- X509_STORE_CTX_cleanup(ctx);
- Free(ctx);
-}
-
-void X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509,
- STACK_OF(X509) *chain)
- {
- ctx->ctx=store;
- ctx->current_method=0;
- ctx->cert=x509;
- ctx->untrusted=chain;
- ctx->last_untrusted=0;
- ctx->purpose=0;
- ctx->trust=0;
- ctx->valid=0;
- ctx->chain=NULL;
- ctx->depth=9;
- ctx->error=0;
- ctx->current_cert=NULL;
- memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA));
- }
-
-void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx)
- {
- if (ctx->chain != NULL)
- {
- sk_X509_pop_free(ctx->chain,X509_free);
- ctx->chain=NULL;
- }
- CRYPTO_free_ex_data(x509_store_ctx_meth,(char *)ctx,&(ctx->ex_data));
- memset(&ctx->ex_data,0,sizeof(CRYPTO_EX_DATA));
- }
-
-IMPLEMENT_STACK_OF(X509_LOOKUP)
+{
+ int i;
+ STACK_OF(X509_LOOKUP) *sk;
+ X509_LOOKUP *lu;
+
+ sk = v->get_cert_methods;
+ for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) {
+ lu = sk_X509_LOOKUP_value(sk, i);
+ if (m == lu->method) {
+ return lu;
+ }
+ }
+ /* a new one */
+ lu = X509_LOOKUP_new(m);
+ if (lu == NULL)
+ return NULL;
+ else {
+ lu->store_ctx = v;
+ if (sk_X509_LOOKUP_push(v->get_cert_methods, lu))
+ return lu;
+ else {
+ X509_LOOKUP_free(lu);
+ return NULL;
+ }
+ }
+}
+
+X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs, int type,
+ X509_NAME *name)
+{
+ X509_OBJECT *ret = X509_OBJECT_new();
+
+ if (ret == NULL)
+ return NULL;
+ if (!X509_STORE_CTX_get_by_subject(vs, type, name, ret)) {
+ X509_OBJECT_free(ret);
+ return NULL;
+ }
+ return ret;
+}
+
+int X509_STORE_CTX_get_by_subject(X509_STORE_CTX *vs, X509_LOOKUP_TYPE type,
+ X509_NAME *name, X509_OBJECT *ret)
+{
+ X509_STORE *ctx = vs->ctx;
+ X509_LOOKUP *lu;
+ X509_OBJECT stmp, *tmp;
+ int i, j;
+
+ CRYPTO_THREAD_write_lock(ctx->lock);
+ tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name);
+ CRYPTO_THREAD_unlock(ctx->lock);
+
+ if (tmp == NULL || type == X509_LU_CRL) {
+ for (i = vs->current_method;
+ i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) {
+ lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i);
+ j = X509_LOOKUP_by_subject(lu, type, name, &stmp);
+ if (j < 0) {
+ vs->current_method = j;
+ return j;
+ } else if (j) {
+ tmp = &stmp;
+ break;
+ }
+ }
+ vs->current_method = 0;
+ if (tmp == NULL)
+ return 0;
+ }
+
+ ret->type = tmp->type;
+ ret->data.ptr = tmp->data.ptr;
+
+ X509_OBJECT_up_ref_count(ret);
+
+ return 1;
+}
+
+int X509_STORE_add_cert(X509_STORE *ctx, X509 *x)
+{
+ X509_OBJECT *obj;
+ int ret = 1, added = 1;
+
+ if (x == NULL)
+ return 0;
+ obj = X509_OBJECT_new();
+ if (obj == NULL)
+ return 0;
+ obj->type = X509_LU_X509;
+ obj->data.x509 = x;
+ X509_OBJECT_up_ref_count(obj);
+
+ CRYPTO_THREAD_write_lock(ctx->lock);
+
+ if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
+ X509err(X509_F_X509_STORE_ADD_CERT,
+ X509_R_CERT_ALREADY_IN_HASH_TABLE);
+ ret = 0;
+ } else {
+ added = sk_X509_OBJECT_push(ctx->objs, obj);
+ ret = added != 0;
+ }
+
+ CRYPTO_THREAD_unlock(ctx->lock);
+
+ if (!ret) /* obj not pushed */
+ X509_OBJECT_free(obj);
+ if (!added) /* on push failure */
+ X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE);
+
+ return ret;
+}
+
+int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x)
+{
+ X509_OBJECT *obj;
+ int ret = 1, added = 1;
+
+ if (x == NULL)
+ return 0;
+ obj = X509_OBJECT_new();
+ if (obj == NULL)
+ return 0;
+ obj->type = X509_LU_CRL;
+ obj->data.crl = x;
+ X509_OBJECT_up_ref_count(obj);
+
+ CRYPTO_THREAD_write_lock(ctx->lock);
+
+ if (X509_OBJECT_retrieve_match(ctx->objs, obj)) {
+ X509err(X509_F_X509_STORE_ADD_CRL, X509_R_CERT_ALREADY_IN_HASH_TABLE);
+ ret = 0;
+ } else {
+ added = sk_X509_OBJECT_push(ctx->objs, obj);
+ ret = added != 0;
+ }
+
+ CRYPTO_THREAD_unlock(ctx->lock);
+
+ if (!ret) /* obj not pushed */
+ X509_OBJECT_free(obj);
+ if (!added) /* on push failure */
+ X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE);
+
+ return ret;
+}
+
+int X509_OBJECT_up_ref_count(X509_OBJECT *a)
+{
+ switch (a->type) {
+ default:
+ break;
+ case X509_LU_X509:
+ return X509_up_ref(a->data.x509);
+ case X509_LU_CRL:
+ return X509_CRL_up_ref(a->data.crl);
+ }
+ return 1;
+}
+
+X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a)
+{
+ if (a == NULL || a->type != X509_LU_X509)
+ return NULL;
+ return a->data.x509;
+}
+
+X509_CRL *X509_OBJECT_get0_X509_CRL(X509_OBJECT *a)
+{
+ if (a == NULL || a->type != X509_LU_CRL)
+ return NULL;
+ return a->data.crl;
+}
+
+int X509_OBJECT_get_type(const X509_OBJECT *a)
+{
+ return a->type;
+}
+
+X509_OBJECT *X509_OBJECT_new()
+{
+ X509_OBJECT *ret = OPENSSL_zalloc(sizeof(*ret));
+
+ if (ret == NULL) {
+ X509err(X509_F_X509_OBJECT_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ret->type = X509_LU_FAIL;
+ return ret;
+}
+
+
+void X509_OBJECT_free(X509_OBJECT *a)
+{
+ if (a == NULL)
+ 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;
+ }
+ OPENSSL_free(a);
+}
+
+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_OBJECT) *X509_STORE_get0_objects(X509_STORE *v)
+{
+ return v->objs;
+}
+
+STACK_OF(X509) *X509_STORE_CTX_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm)
+{
+ int i, idx, cnt;
+ STACK_OF(X509) *sk = NULL;
+ X509 *x;
+ X509_OBJECT *obj;
+
+ CRYPTO_THREAD_write_lock(ctx->ctx->lock);
+ 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 = X509_OBJECT_new();
+
+ CRYPTO_THREAD_unlock(ctx->ctx->lock);
+ if (xobj == NULL)
+ return NULL;
+ if (!X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, nm, xobj)) {
+ X509_OBJECT_free(xobj);
+ return NULL;
+ }
+ X509_OBJECT_free(xobj);
+ CRYPTO_THREAD_write_lock(ctx->ctx->lock);
+ idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt);
+ if (idx < 0) {
+ CRYPTO_THREAD_unlock(ctx->ctx->lock);
+ return NULL;
+ }
+ }
+
+ sk = sk_X509_new_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_THREAD_unlock(ctx->ctx->lock);
+ X509_free(x);
+ sk_X509_pop_free(sk, X509_free);
+ return NULL;
+ }
+ }
+ CRYPTO_THREAD_unlock(ctx->ctx->lock);
+ return sk;
+}
+
+STACK_OF(X509_CRL) *X509_STORE_CTX_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm)
+{
+ int i, idx, cnt;
+ STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null();
+ X509_CRL *x;
+ X509_OBJECT *obj, *xobj = X509_OBJECT_new();
+
+ /* Always do lookup to possibly add new CRLs to cache */
+ if (sk == NULL || xobj == NULL ||
+ !X509_STORE_CTX_get_by_subject(ctx, X509_LU_CRL, nm, xobj)) {
+ X509_OBJECT_free(xobj);
+ sk_X509_CRL_free(sk);
+ return NULL;
+ }
+ X509_OBJECT_free(xobj);
+ CRYPTO_THREAD_write_lock(ctx->ctx->lock);
+ idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt);
+ if (idx < 0) {
+ CRYPTO_THREAD_unlock(ctx->ctx->lock);
+ 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_THREAD_unlock(ctx->ctx->lock);
+ X509_CRL_free(x);
+ sk_X509_CRL_pop_free(sk, X509_CRL_free);
+ return NULL;
+ }
+ }
+ CRYPTO_THREAD_unlock(ctx->ctx->lock);
+ 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 = X509_OBJECT_new(), *pobj = NULL;
+ int i, ok, idx, ret;
+
+ if (obj == NULL)
+ return -1;
+ *issuer = NULL;
+ xn = X509_get_issuer_name(x);
+ ok = X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, xn, obj);
+ if (ok != X509_LU_X509) {
+ X509_OBJECT_free(obj);
+ if (ok == X509_LU_RETRY) {
+ X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY);
+ return -1;
+ }
+ if (ok != X509_LU_FAIL) {
+ /* 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;
+ X509_up_ref(*issuer);
+ X509_OBJECT_free(obj);
+ return 1;
+ }
+ }
+ X509_OBJECT_free(obj);
+
+ /* Else find index of first cert accepted by 'check_issued' */
+ ret = 0;
+ CRYPTO_THREAD_write_lock(ctx->ctx->lock);
+ 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_THREAD_unlock(ctx->ctx->lock);
+ 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);
+}
+
+X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx)
+{
+ return ctx->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_verify(X509_STORE *ctx, X509_STORE_CTX_verify verify)
+{
+ ctx->verify = verify;
+}
+
+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;
+}
+
+int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data)
+{
+ return CRYPTO_set_ex_data(&ctx->ex_data, idx, data);
+}
+
+void *X509_STORE_get_ex_data(X509_STORE *ctx, int idx)
+{
+ return CRYPTO_get_ex_data(&ctx->ex_data, idx);
+}
+
+X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx)
+{
+ return ctx->ctx;
+}