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Diffstat (limited to 'third_party/heimdal/lib/base/common_plugin.h')
| -rw-r--r-- | third_party/heimdal/lib/base/common_plugin.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/base/common_plugin.h b/third_party/heimdal/lib/base/common_plugin.h new file mode 100644 index 0000000..ece1d28 --- /dev/null +++ b/third_party/heimdal/lib/base/common_plugin.h @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2006 - 2020 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Portions Copyright (c) 2018 AuriStor, Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef HEIMDAL_BASE_COMMON_PLUGIN_H +#define HEIMDAL_BASE_COMMON_PLUGIN_H + +#include <heimbase-svc.h> + +#ifdef _WIN32 +# ifndef HEIM_CALLCONV +# define HEIM_CALLCONV __stdcall +# endif +# ifndef HEIM_LIB_CALL +# define HEIM_LIB_CALL __stdcall +# endif +#else +# ifndef HEIM_CALLCONV +# define HEIM_CALLCONV +# endif +# ifndef HEIM_LIB_CALL +# define HEIM_LIB_CALL +# endif +#endif +#ifndef KRB5_CALLCONV +# define KRB5_CALLCONV HEIM_CALLCONV +#endif +#ifndef KRB5_LIB_CALL +# define KRB5_LIB_CALL HEIM_LIB_CALL +#endif + +/* For krb5 plugins, this is a krb5_context */ +typedef struct heim_pcontext_s *heim_pcontext; + +typedef uintptr_t +(HEIM_LIB_CALL *heim_get_instance_func_t)(const char *); +typedef heim_get_instance_func_t krb5_get_instance_t; + +/* + * All plugin function tables extend the following structure. + */ +struct heim_plugin_common_ftable_desc { + HEIM_PLUGIN_FTABLE_COMMON_ELEMENTS(heim_pcontext); +}; +typedef struct heim_plugin_common_ftable_desc heim_plugin_common_ftable; +typedef struct heim_plugin_common_ftable_desc *heim_plugin_common_ftable_p; +typedef struct heim_plugin_common_ftable_desc * const heim_plugin_common_ftable_cp; + +typedef int +(HEIM_CALLCONV heim_plugin_load_ft)(heim_pcontext context, + heim_get_instance_func_t *func, + size_t *n_ftables, + heim_plugin_common_ftable_cp **ftables); + +typedef heim_plugin_load_ft *heim_plugin_load_t; + +/* For source backwards-compatibility */ +typedef struct heim_plugin_common_ftable_desc krb5_plugin_common_ftable; +typedef struct heim_plugin_common_ftable_desc *krb5_plugin_common_ftable_p; +typedef struct heim_plugin_common_ftable_desc * const krb5_plugin_common_ftable_cp; +typedef heim_plugin_load_ft krb5_plugin_load_ft; +typedef heim_plugin_load_ft *krb5_plugin_load_t; + +/* + * All plugins must export a function named "<type>_plugin_load" with + * a signature of: + * + * int HEIM_CALLCONV + * <type>_plugin_load(heim_pcontext context, + * heim_get_instance_func_t *func, + * size_t *n_ftables, + * const heim_plugin_common_ftable *const **ftables); + */ +#endif /* HEIMDAL_BASE_COMMON_PLUGIN_H */ |