50ecedda40
Some containers might very simply decode into something new that deserves to be considered as new (embedded) data. With the help of a special OSSL_STORE_INFO type, make that new data available to the loader functions so they can start over. Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3542)
93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
/*
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* Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include "internal/thread_once.h"
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#include <openssl/dsa.h>
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#include <openssl/engine.h>
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#include <openssl/evp.h>
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#include <openssl/lhash.h>
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#include <openssl/x509.h>
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#include <openssl/store.h>
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/*-
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* OSSL_STORE_INFO stuff
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* ---------------------
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*/
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struct ossl_store_info_st {
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int type;
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union {
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void *data; /* used internally as generic pointer */
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struct {
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BUF_MEM *blob;
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char *pem_name;
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} embedded; /* when type == OSSL_STORE_INFO_EMBEDDED */
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struct {
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char *name;
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char *desc;
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} name; /* when type == OSSL_STORE_INFO_NAME */
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EVP_PKEY *params; /* when type == OSSL_STORE_INFO_PARAMS */
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EVP_PKEY *pkey; /* when type == OSSL_STORE_INFO_PKEY */
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X509 *x509; /* when type == OSSL_STORE_INFO_CERT */
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X509_CRL *crl; /* when type == OSSL_STORE_INFO_CRL */
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} _;
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};
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DEFINE_STACK_OF(OSSL_STORE_INFO)
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/*
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* EMBEDDED is a special type of OSSL_STORE_INFO, specially for the file
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* handlers. It should never reach a calling application or any engine.
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* However, it can be used by a FILE_HANDLER's try_decode function to signal
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* that it has decoded the incoming blob into a new blob, and that the
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* attempted decoding should be immediately restarted with the new blob, using
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* the new PEM name.
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*/
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/*
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* Because this is an internal type, we don't make it public.
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*/
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#define OSSL_STORE_INFO_EMBEDDED -1
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OSSL_STORE_INFO *ossl_store_info_new_EMBEDDED(const char *new_pem_name,
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BUF_MEM *embedded);
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BUF_MEM *ossl_store_info_get0_EMBEDDED_buffer(OSSL_STORE_INFO *info);
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char *ossl_store_info_get0_EMBEDDED_pem_name(OSSL_STORE_INFO *info);
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/*-
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* OSSL_STORE_LOADER stuff
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* -----------------------
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*/
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int ossl_store_register_loader_int(OSSL_STORE_LOADER *loader);
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OSSL_STORE_LOADER *ossl_store_unregister_loader_int(const char *scheme);
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/* loader stuff */
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struct ossl_store_loader_st {
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const char *scheme;
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OSSL_STORE_open_fn open;
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OSSL_STORE_ctrl_fn ctrl;
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OSSL_STORE_load_fn load;
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OSSL_STORE_eof_fn eof;
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OSSL_STORE_error_fn error;
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OSSL_STORE_close_fn close;
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};
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DEFINE_LHASH_OF(OSSL_STORE_LOADER);
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const OSSL_STORE_LOADER *ossl_store_get0_loader_int(const char *scheme);
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void ossl_store_destroy_loaders_int(void);
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/*-
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* OSSL_STORE init stuff
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* ---------------------
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*/
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int ossl_store_init_once(void);
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int ossl_store_file_loader_init(void);
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