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-rw-r--r--NorthstarDLL/include/openssl/store.h369
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diff --git a/NorthstarDLL/include/openssl/store.h b/NorthstarDLL/include/openssl/store.h
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+/*
+ * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * 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
+ */
+
+#ifndef OPENSSL_STORE_H
+# define OPENSSL_STORE_H
+# pragma once
+
+# include <openssl/macros.h>
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+# define HEADER_OSSL_STORE_H
+# endif
+
+# include <stdarg.h>
+# include <openssl/types.h>
+# include <openssl/pem.h>
+# include <openssl/storeerr.h>
+
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+/*-
+ * The main OSSL_STORE functions.
+ * ------------------------------
+ *
+ * These allow applications to open a channel to a resource with supported
+ * data (keys, certs, crls, ...), read the data a piece at a time and decide
+ * what to do with it, and finally close.
+ */
+
+typedef struct ossl_store_ctx_st OSSL_STORE_CTX;
+
+/*
+ * Typedef for the OSSL_STORE_INFO post processing callback. This can be used
+ * to massage the given OSSL_STORE_INFO, or to drop it entirely (by returning
+ * NULL).
+ */
+typedef OSSL_STORE_INFO *(*OSSL_STORE_post_process_info_fn)(OSSL_STORE_INFO *,
+ void *);
+
+/*
+ * Open a channel given a URI. The given UI method will be used any time the
+ * loader needs extra input, for example when a password or pin is needed, and
+ * will be passed the same user data every time it's needed in this context.
+ *
+ * Returns a context reference which represents the channel to communicate
+ * through.
+ */
+OSSL_STORE_CTX *
+OSSL_STORE_open(const char *uri, const UI_METHOD *ui_method, void *ui_data,
+ OSSL_STORE_post_process_info_fn post_process,
+ void *post_process_data);
+OSSL_STORE_CTX *
+OSSL_STORE_open_ex(const char *uri, OSSL_LIB_CTX *libctx, const char *propq,
+ const UI_METHOD *ui_method, void *ui_data,
+ const OSSL_PARAM params[],
+ OSSL_STORE_post_process_info_fn post_process,
+ void *post_process_data);
+
+/*
+ * Control / fine tune the OSSL_STORE channel. |cmd| determines what is to be
+ * done, and depends on the underlying loader (use OSSL_STORE_get0_scheme to
+ * determine which loader is used), except for common commands (see below).
+ * Each command takes different arguments.
+ */
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+OSSL_DEPRECATEDIN_3_0 int OSSL_STORE_ctrl(OSSL_STORE_CTX *ctx, int cmd,
+ ... /* args */);
+OSSL_DEPRECATEDIN_3_0 int OSSL_STORE_vctrl(OSSL_STORE_CTX *ctx, int cmd,
+ va_list args);
+# endif
+
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+
+/*
+ * Common ctrl commands that different loaders may choose to support.
+ */
+/* int on = 0 or 1; STORE_ctrl(ctx, STORE_C_USE_SECMEM, &on); */
+# define OSSL_STORE_C_USE_SECMEM 1
+/* Where custom commands start */
+# define OSSL_STORE_C_CUSTOM_START 100
+
+# endif
+
+/*
+ * Read one data item (a key, a cert, a CRL) that is supported by the OSSL_STORE
+ * functionality, given a context.
+ * Returns a OSSL_STORE_INFO pointer, from which OpenSSL typed data can be
+ * extracted with OSSL_STORE_INFO_get0_PKEY(), OSSL_STORE_INFO_get0_CERT(), ...
+ * NULL is returned on error, which may include that the data found at the URI
+ * can't be figured out for certain or is ambiguous.
+ */
+OSSL_STORE_INFO *OSSL_STORE_load(OSSL_STORE_CTX *ctx);
+
+/*
+ * Check if end of data (end of file) is reached
+ * Returns 1 on end, 0 otherwise.
+ */
+int OSSL_STORE_eof(OSSL_STORE_CTX *ctx);
+
+/*
+ * Check if an error occurred
+ * Returns 1 if it did, 0 otherwise.
+ */
+int OSSL_STORE_error(OSSL_STORE_CTX *ctx);
+
+/*
+ * Close the channel
+ * Returns 1 on success, 0 on error.
+ */
+int OSSL_STORE_close(OSSL_STORE_CTX *ctx);
+
+/*
+ * Attach to a BIO. This works like OSSL_STORE_open() except it takes a
+ * BIO instead of a uri, along with a scheme to use when reading.
+ * The given UI method will be used any time the loader needs extra input,
+ * for example when a password or pin is needed, and will be passed the
+ * same user data every time it's needed in this context.
+ *
+ * Returns a context reference which represents the channel to communicate
+ * through.
+ *
+ * Note that this function is considered unsafe, all depending on what the
+ * BIO actually reads.
+ */
+OSSL_STORE_CTX *OSSL_STORE_attach(BIO *bio, const char *scheme,
+ OSSL_LIB_CTX *libctx, const char *propq,
+ const UI_METHOD *ui_method, void *ui_data,
+ const OSSL_PARAM params[],
+ OSSL_STORE_post_process_info_fn post_process,
+ void *post_process_data);
+
+/*-
+ * Extracting OpenSSL types from and creating new OSSL_STORE_INFOs
+ * ---------------------------------------------------------------
+ */
+
+/*
+ * Types of data that can be ossl_stored in a OSSL_STORE_INFO.
+ * OSSL_STORE_INFO_NAME is typically found when getting a listing of
+ * available "files" / "tokens" / what have you.
+ */
+# define OSSL_STORE_INFO_NAME 1 /* char * */
+# define OSSL_STORE_INFO_PARAMS 2 /* EVP_PKEY * */
+# define OSSL_STORE_INFO_PUBKEY 3 /* EVP_PKEY * */
+# define OSSL_STORE_INFO_PKEY 4 /* EVP_PKEY * */
+# define OSSL_STORE_INFO_CERT 5 /* X509 * */
+# define OSSL_STORE_INFO_CRL 6 /* X509_CRL * */
+
+/*
+ * Functions to generate OSSL_STORE_INFOs, one function for each type we
+ * support having in them, as well as a generic constructor.
+ *
+ * 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.
+ */
+OSSL_STORE_INFO *OSSL_STORE_INFO_new(int type, void *data);
+OSSL_STORE_INFO *OSSL_STORE_INFO_new_NAME(char *name);
+int OSSL_STORE_INFO_set0_NAME_description(OSSL_STORE_INFO *info, char *desc);
+OSSL_STORE_INFO *OSSL_STORE_INFO_new_PARAMS(EVP_PKEY *params);
+OSSL_STORE_INFO *OSSL_STORE_INFO_new_PUBKEY(EVP_PKEY *pubkey);
+OSSL_STORE_INFO *OSSL_STORE_INFO_new_PKEY(EVP_PKEY *pkey);
+OSSL_STORE_INFO *OSSL_STORE_INFO_new_CERT(X509 *x509);
+OSSL_STORE_INFO *OSSL_STORE_INFO_new_CRL(X509_CRL *crl);
+
+/*
+ * Functions to try to extract data from a OSSL_STORE_INFO.
+ */
+int OSSL_STORE_INFO_get_type(const OSSL_STORE_INFO *info);
+void *OSSL_STORE_INFO_get0_data(int type, const OSSL_STORE_INFO *info);
+const char *OSSL_STORE_INFO_get0_NAME(const OSSL_STORE_INFO *info);
+char *OSSL_STORE_INFO_get1_NAME(const OSSL_STORE_INFO *info);
+const char *OSSL_STORE_INFO_get0_NAME_description(const OSSL_STORE_INFO *info);
+char *OSSL_STORE_INFO_get1_NAME_description(const OSSL_STORE_INFO *info);
+EVP_PKEY *OSSL_STORE_INFO_get0_PARAMS(const OSSL_STORE_INFO *info);
+EVP_PKEY *OSSL_STORE_INFO_get1_PARAMS(const OSSL_STORE_INFO *info);
+EVP_PKEY *OSSL_STORE_INFO_get0_PUBKEY(const OSSL_STORE_INFO *info);
+EVP_PKEY *OSSL_STORE_INFO_get1_PUBKEY(const OSSL_STORE_INFO *info);
+EVP_PKEY *OSSL_STORE_INFO_get0_PKEY(const OSSL_STORE_INFO *info);
+EVP_PKEY *OSSL_STORE_INFO_get1_PKEY(const OSSL_STORE_INFO *info);
+X509 *OSSL_STORE_INFO_get0_CERT(const OSSL_STORE_INFO *info);
+X509 *OSSL_STORE_INFO_get1_CERT(const OSSL_STORE_INFO *info);
+X509_CRL *OSSL_STORE_INFO_get0_CRL(const OSSL_STORE_INFO *info);
+X509_CRL *OSSL_STORE_INFO_get1_CRL(const OSSL_STORE_INFO *info);
+
+const char *OSSL_STORE_INFO_type_string(int type);
+
+/*
+ * Free the OSSL_STORE_INFO
+ */
+void OSSL_STORE_INFO_free(OSSL_STORE_INFO *info);
+
+
+/*-
+ * Functions to construct a search URI from a base URI and search criteria
+ * -----------------------------------------------------------------------
+ */
+
+/* OSSL_STORE search types */
+# define OSSL_STORE_SEARCH_BY_NAME 1 /* subject in certs, issuer in CRLs */
+# define OSSL_STORE_SEARCH_BY_ISSUER_SERIAL 2
+# define OSSL_STORE_SEARCH_BY_KEY_FINGERPRINT 3
+# define OSSL_STORE_SEARCH_BY_ALIAS 4
+
+/* To check what search types the scheme handler supports */
+int OSSL_STORE_supports_search(OSSL_STORE_CTX *ctx, int search_type);
+
+/* Search term constructors */
+/*
+ * The input is considered to be owned by the caller, and must therefore
+ * remain present throughout the lifetime of the returned OSSL_STORE_SEARCH
+ */
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_name(X509_NAME *name);
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_issuer_serial(X509_NAME *name,
+ const ASN1_INTEGER
+ *serial);
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_key_fingerprint(const EVP_MD *digest,
+ const unsigned char
+ *bytes, size_t len);
+OSSL_STORE_SEARCH *OSSL_STORE_SEARCH_by_alias(const char *alias);
+
+/* Search term destructor */
+void OSSL_STORE_SEARCH_free(OSSL_STORE_SEARCH *search);
+
+/* Search term accessors */
+int OSSL_STORE_SEARCH_get_type(const OSSL_STORE_SEARCH *criterion);
+X509_NAME *OSSL_STORE_SEARCH_get0_name(const OSSL_STORE_SEARCH *criterion);
+const ASN1_INTEGER *OSSL_STORE_SEARCH_get0_serial(const OSSL_STORE_SEARCH
+ *criterion);
+const unsigned char *OSSL_STORE_SEARCH_get0_bytes(const OSSL_STORE_SEARCH
+ *criterion, size_t *length);
+const char *OSSL_STORE_SEARCH_get0_string(const OSSL_STORE_SEARCH *criterion);
+const EVP_MD *OSSL_STORE_SEARCH_get0_digest(const OSSL_STORE_SEARCH *criterion);
+
+/*
+ * Add search criterion and expected return type (which can be unspecified)
+ * to the loading channel. This MUST happen before the first OSSL_STORE_load().
+ */
+int OSSL_STORE_expect(OSSL_STORE_CTX *ctx, int expected_type);
+int OSSL_STORE_find(OSSL_STORE_CTX *ctx, const OSSL_STORE_SEARCH *search);
+
+
+/*-
+ * Function to fetch a loader and extract data from it
+ * ---------------------------------------------------
+ */
+
+typedef struct ossl_store_loader_st OSSL_STORE_LOADER;
+
+OSSL_STORE_LOADER *OSSL_STORE_LOADER_fetch(OSSL_LIB_CTX *libctx,
+ const char *scheme,
+ const char *properties);
+int OSSL_STORE_LOADER_up_ref(OSSL_STORE_LOADER *loader);
+void OSSL_STORE_LOADER_free(OSSL_STORE_LOADER *loader);
+const OSSL_PROVIDER *OSSL_STORE_LOADER_get0_provider(const OSSL_STORE_LOADER *
+ loader);
+const char *OSSL_STORE_LOADER_get0_properties(const OSSL_STORE_LOADER *loader);
+const char *OSSL_STORE_LOADER_get0_description(const OSSL_STORE_LOADER *loader);
+int OSSL_STORE_LOADER_is_a(const OSSL_STORE_LOADER *loader,
+ const char *scheme);
+void OSSL_STORE_LOADER_do_all_provided(OSSL_LIB_CTX *libctx,
+ void (*fn)(OSSL_STORE_LOADER *loader,
+ void *arg),
+ void *arg);
+int OSSL_STORE_LOADER_names_do_all(const OSSL_STORE_LOADER *loader,
+ void (*fn)(const char *name, void *data),
+ void *data);
+
+/*-
+ * Function to register a loader for the given URI scheme.
+ * -------------------------------------------------------
+ *
+ * The loader receives all the main components of an URI except for the
+ * scheme.
+ */
+
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+
+/* struct ossl_store_loader_ctx_st is defined differently by each loader */
+typedef struct ossl_store_loader_ctx_st OSSL_STORE_LOADER_CTX;
+typedef OSSL_STORE_LOADER_CTX *(*OSSL_STORE_open_fn)
+ (const OSSL_STORE_LOADER *loader, const char *uri,
+ const UI_METHOD *ui_method, void *ui_data);
+typedef OSSL_STORE_LOADER_CTX *(*OSSL_STORE_open_ex_fn)
+ (const OSSL_STORE_LOADER *loader,
+ const char *uri, OSSL_LIB_CTX *libctx, const char *propq,
+ const UI_METHOD *ui_method, void *ui_data);
+
+typedef OSSL_STORE_LOADER_CTX *(*OSSL_STORE_attach_fn)
+ (const OSSL_STORE_LOADER *loader, BIO *bio,
+ OSSL_LIB_CTX *libctx, const char *propq,
+ const UI_METHOD *ui_method, void *ui_data);
+typedef int (*OSSL_STORE_ctrl_fn)
+ (OSSL_STORE_LOADER_CTX *ctx, int cmd, va_list args);
+typedef int (*OSSL_STORE_expect_fn)
+ (OSSL_STORE_LOADER_CTX *ctx, int expected);
+typedef int (*OSSL_STORE_find_fn)
+ (OSSL_STORE_LOADER_CTX *ctx, const OSSL_STORE_SEARCH *criteria);
+typedef OSSL_STORE_INFO *(*OSSL_STORE_load_fn)
+ (OSSL_STORE_LOADER_CTX *ctx, const UI_METHOD *ui_method, void *ui_data);
+typedef int (*OSSL_STORE_eof_fn)(OSSL_STORE_LOADER_CTX *ctx);
+typedef int (*OSSL_STORE_error_fn)(OSSL_STORE_LOADER_CTX *ctx);
+typedef int (*OSSL_STORE_close_fn)(OSSL_STORE_LOADER_CTX *ctx);
+
+# endif
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+OSSL_DEPRECATEDIN_3_0
+OSSL_STORE_LOADER *OSSL_STORE_LOADER_new(ENGINE *e, const char *scheme);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_open(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_open_fn open_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_open_ex(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_open_ex_fn open_ex_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_attach(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_attach_fn attach_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_ctrl(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_ctrl_fn ctrl_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_expect(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_expect_fn expect_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_find(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_find_fn find_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_load(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_load_fn load_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_eof(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_eof_fn eof_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_error(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_error_fn error_function);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_LOADER_set_close(OSSL_STORE_LOADER *loader,
+ OSSL_STORE_close_fn close_function);
+OSSL_DEPRECATEDIN_3_0
+const ENGINE *OSSL_STORE_LOADER_get0_engine(const OSSL_STORE_LOADER *loader);
+OSSL_DEPRECATEDIN_3_0
+const char * OSSL_STORE_LOADER_get0_scheme(const OSSL_STORE_LOADER *loader);
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_register_loader(OSSL_STORE_LOADER *loader);
+OSSL_DEPRECATEDIN_3_0
+OSSL_STORE_LOADER *OSSL_STORE_unregister_loader(const char *scheme);
+# endif
+
+/*-
+ * Functions to list STORE loaders
+ * -------------------------------
+ */
+# ifndef OPENSSL_NO_DEPRECATED_3_0
+OSSL_DEPRECATEDIN_3_0
+int OSSL_STORE_do_all_loaders(void (*do_function)(const OSSL_STORE_LOADER *loader,
+ void *do_arg),
+ void *do_arg);
+# endif
+
+# ifdef __cplusplus
+}
+# endif
+#endif