/*
- * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
+#include "e_os.h"
#include <stdlib.h>
#include <string.h>
+#include <assert.h>
#include "e_os.h"
void *ui_data;
OSSL_STORE_post_process_info_fn post_process;
void *post_process_data;
+ int expected_type;
+
+ /* 0 before the first STORE_load(), 1 otherwise */
+ int loading;
};
OSSL_STORE_CTX *OSSL_STORE_open(const char *uri, const UI_METHOD *ui_method,
}
}
+ ERR_set_mark();
+
/* Try each scheme until we find one that could open the URI */
for (i = 0; loader_ctx == NULL && i < schemes_n; i++) {
if ((loader = ossl_store_get0_loader_int(schemes[i])) != NULL)
loader_ctx = loader->open(loader, uri, ui_method, ui_data);
}
if (loader_ctx == NULL)
- goto done;
+ goto err;
if ((ctx = OPENSSL_zalloc(sizeof(*ctx))) == NULL) {
OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_OPEN, ERR_R_MALLOC_FAILURE);
- goto done;
+ goto err;
}
ctx->loader = loader;
ctx->loader_ctx = loader_ctx;
- loader_ctx = NULL;
ctx->ui_method = ui_method;
ctx->ui_data = ui_data;
ctx->post_process = post_process;
ctx->post_process_data = post_process_data;
- done:
+ /*
+ * If the attempt to open with the 'file' scheme loader failed and the
+ * other scheme loader succeeded, the failure to open with the 'file'
+ * scheme loader leaves an error on the error stack. Let's remove it.
+ */
+ ERR_pop_to_mark();
+
+ return ctx;
+
+ err:
+ ERR_clear_last_mark();
if (loader_ctx != NULL) {
/*
* We ignore a returned error because we will return NULL anyway in
*/
(void)loader->close(loader_ctx);
}
- return ctx;
+ return NULL;
}
int OSSL_STORE_ctrl(OSSL_STORE_CTX *ctx, int cmd, ...)
{
va_list args;
- int ret = 0;
+ int ret;
va_start(args, cmd);
- if (ctx->loader->ctrl != NULL)
- ret = ctx->loader->ctrl(ctx->loader_ctx, cmd, args);
+ ret = OSSL_STORE_vctrl(ctx, cmd, args);
va_end(args);
return ret;
}
+int OSSL_STORE_vctrl(OSSL_STORE_CTX *ctx, int cmd, va_list args)
+{
+ if (ctx->loader->ctrl != NULL)
+ return ctx->loader->ctrl(ctx->loader_ctx, cmd, args);
+ return 0;
+}
+
+int OSSL_STORE_expect(OSSL_STORE_CTX *ctx, int expected_type)
+{
+ if (ctx->loading) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_EXPECT,
+ OSSL_STORE_R_LOADING_STARTED);
+ return 0;
+ }
+
+ ctx->expected_type = expected_type;
+ if (ctx->loader->expect != NULL)
+ return ctx->loader->expect(ctx->loader_ctx, expected_type);
+ return 1;
+}
+
+int OSSL_STORE_find(OSSL_STORE_CTX *ctx, OSSL_STORE_SEARCH *search)
+{
+ if (ctx->loading) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_FIND,
+ OSSL_STORE_R_LOADING_STARTED);
+ return 0;
+ }
+ if (ctx->loader->find == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_FIND,
+ OSSL_STORE_R_UNSUPPORTED_OPERATION);
+ return 0;
+ }
+
+ return ctx->loader->find(ctx->loader_ctx, search);
+}
+
OSSL_STORE_INFO *OSSL_STORE_load(OSSL_STORE_CTX *ctx)
{
OSSL_STORE_INFO *v = NULL;
+ ctx->loading = 1;
again:
if (OSSL_STORE_eof(ctx))
return NULL;
goto again;
}
+ if (v != NULL && ctx->expected_type != 0) {
+ int returned_type = OSSL_STORE_INFO_get_type(v);
+
+ if (returned_type != OSSL_STORE_INFO_NAME && returned_type != 0) {
+ /*
+ * Soft assert here so those who want to harsly weed out faulty
+ * loaders can do so using a debugging version of libcrypto.
+ */
+ if (ctx->loader->expect != NULL)
+ assert(ctx->expected_type == returned_type);
+
+ if (ctx->expected_type != returned_type) {
+ OSSL_STORE_INFO_free(v);
+ goto again;
+ }
+ }
+ }
+
return v;
}
/*
* Functions to generate OSSL_STORE_INFOs, one function for each type we
- * support having in them. Along with each of them, one macro that
- * can be used to determine what types are supported.
+ * support having in them as well as a generic constructor.
*
- * In all cases, ownership of the object is transfered to the OSSL_STORE_INFO
+ * In all cases, ownership of the object is transferred to the OSSL_STORE_INFO
* and will therefore be freed when the OSSL_STORE_INFO is freed.
*/
static OSSL_STORE_INFO *store_info_new(int type, void *data)
}
}
+int OSSL_STORE_supports_search(OSSL_STORE_CTX *ctx, int search_type)
+{
+ OSSL_STORE_SEARCH tmp_search;
+
+ if (ctx->loader->find == NULL)
+ return 0;
+ tmp_search.search_type = search_type;
+ return ctx->loader->find(NULL, &tmp_search);
+}
+
+/* Search term constructors */
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_name(X509_NAME *name)
+{
+ OSSL_STORE_SEARCH *search = OPENSSL_zalloc(sizeof(*search));
+
+ if (search == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_SEARCH_BY_NAME,
+ ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ search->search_type = OSSL_STORE_SEARCH_BY_NAME;
+ search->name = name;
+ return search;
+}
+
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_issuer_serial(X509_NAME *name,
+ const ASN1_INTEGER *serial)
+{
+ OSSL_STORE_SEARCH *search = OPENSSL_zalloc(sizeof(*search));
+
+ if (search == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_SEARCH_BY_ISSUER_SERIAL,
+ ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ search->search_type = OSSL_STORE_SEARCH_BY_ISSUER_SERIAL;
+ search->name = name;
+ search->serial = serial;
+ return search;
+}
+
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_key_fingerprint(const EVP_MD *digest,
+ const unsigned char
+ *bytes, size_t len)
+{
+ OSSL_STORE_SEARCH *search = OPENSSL_zalloc(sizeof(*search));
+
+ if (search == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_SEARCH_BY_KEY_FINGERPRINT,
+ ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ if (digest != NULL && len != (size_t)EVP_MD_size(digest)) {
+ char buf1[20], buf2[20];
+
+ BIO_snprintf(buf1, sizeof(buf1), "%d", EVP_MD_size(digest));
+ BIO_snprintf(buf2, sizeof(buf2), "%zu", len);
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_SEARCH_BY_KEY_FINGERPRINT,
+ OSSL_STORE_R_FINGERPRINT_SIZE_DOES_NOT_MATCH_DIGEST);
+ ERR_add_error_data(5, EVP_MD_name(digest), " size is ", buf1,
+ ", fingerprint size is ", buf2);
+ }
+
+ search->search_type = OSSL_STORE_SEARCH_BY_KEY_FINGERPRINT;
+ search->digest = digest;
+ search->string = bytes;
+ search->stringlength = len;
+ return search;
+}
+
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_alias(const char *alias)
+{
+ OSSL_STORE_SEARCH *search = OPENSSL_zalloc(sizeof(*search));
+
+ if (search == NULL) {
+ OSSL_STOREerr(OSSL_STORE_F_OSSL_STORE_SEARCH_BY_ALIAS,
+ ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ search->search_type = OSSL_STORE_SEARCH_BY_ALIAS;
+ search->string = (const unsigned char *)alias;
+ search->stringlength = strlen(alias);
+ return search;
+}
+
+/* Search term destructor */
+void OSSL_STORE_SEARCH_free(OSSL_STORE_SEARCH *search)
+{
+ OPENSSL_free(search);
+}
+
+/* Search term accessors */
+int OSSL_STORE_SEARCH_get_type(const OSSL_STORE_SEARCH *criterion)
+{
+ return criterion->search_type;
+}
+
+X509_NAME *OSSL_STORE_SEARCH_get0_name(OSSL_STORE_SEARCH *criterion)
+{
+ return criterion->name;
+}
+
+const ASN1_INTEGER *OSSL_STORE_SEARCH_get0_serial(const OSSL_STORE_SEARCH
+ *criterion)
+{
+ return criterion->serial;
+}
+
+const unsigned char *OSSL_STORE_SEARCH_get0_bytes(const OSSL_STORE_SEARCH
+ *criterion, size_t *length)
+{
+ *length = criterion->stringlength;
+ return criterion->string;
+}
+
+const char *OSSL_STORE_SEARCH_get0_string(const OSSL_STORE_SEARCH *criterion)
+{
+ return (const char *)criterion->string;
+}
+
+const EVP_MD *OSSL_STORE_SEARCH_get0_digest(const OSSL_STORE_SEARCH *criterion)
+{
+ return criterion->digest;
+}
+
/* Internal functions */
OSSL_STORE_INFO *ossl_store_info_new_EMBEDDED(const char *new_pem_name,
BUF_MEM *embedded)
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