diff options
Diffstat (limited to 'dep/include/openssl/dso.h')
| -rw-r--r-- | dep/include/openssl/dso.h | 294 |
1 files changed, 147 insertions, 147 deletions
diff --git a/dep/include/openssl/dso.h b/dep/include/openssl/dso.h index 3e51913a725..9038b509bd6 100644 --- a/dep/include/openssl/dso.h +++ b/dep/include/openssl/dso.h @@ -10,7 +10,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -66,9 +66,9 @@ extern "C" { #endif /* These values are used as commands to DSO_ctrl() */ -#define DSO_CTRL_GET_FLAGS 1 -#define DSO_CTRL_SET_FLAGS 2 -#define DSO_CTRL_OR_FLAGS 3 +#define DSO_CTRL_GET_FLAGS 1 +#define DSO_CTRL_SET_FLAGS 2 +#define DSO_CTRL_OR_FLAGS 3 /* By default, DSO_load() will translate the provided filename into a form * typical for the platform (more specifically the DSO_METHOD) using the @@ -81,26 +81,26 @@ extern "C" { * DSO to prevent *any* native name-translation at all - eg. if the caller has * prompted the user for a path to a driver library so the filename should be * interpreted as-is. */ -#define DSO_FLAG_NO_NAME_TRANSLATION 0x01 +#define DSO_FLAG_NO_NAME_TRANSLATION 0x01 /* An extra flag to give if only the extension should be added as * translation. This is obviously only of importance on Unix and * other operating systems where the translation also may prefix * the name with something, like 'lib', and ignored everywhere else. * This flag is also ignored if DSO_FLAG_NO_NAME_TRANSLATION is used * at the same time. */ -#define DSO_FLAG_NAME_TRANSLATION_EXT_ONLY 0x02 +#define DSO_FLAG_NAME_TRANSLATION_EXT_ONLY 0x02 /* The following flag controls the translation of symbol names to upper * case. This is currently only being implemented for OpenVMS. */ -#define DSO_FLAG_UPCASE_SYMBOL 0x10 +#define DSO_FLAG_UPCASE_SYMBOL 0x10 /* This flag loads the library with public symbols. * Meaning: The exported symbols of this library are public * to all libraries loaded after this library. * At the moment only implemented in unix. */ -#define DSO_FLAG_GLOBAL_SYMBOLS 0x20 +#define DSO_FLAG_GLOBAL_SYMBOLS 0x20 typedef void (*DSO_FUNC_TYPE)(void); @@ -132,104 +132,104 @@ typedef char* (*DSO_NAME_CONVERTER_FUNC)(DSO *, const char *); typedef char* (*DSO_MERGER_FUNC)(DSO *, const char *, const char *); typedef struct dso_meth_st - { - const char *name; - /* Loads a shared library, NB: new DSO_METHODs must ensure that a - * successful load populates the loaded_filename field, and likewise a - * successful unload OPENSSL_frees and NULLs it out. */ - int (*dso_load)(DSO *dso); - /* Unloads a shared library */ - int (*dso_unload)(DSO *dso); - /* Binds a variable */ - void *(*dso_bind_var)(DSO *dso, const char *symname); - /* Binds a function - assumes a return type of DSO_FUNC_TYPE. - * This should be cast to the real function prototype by the - * caller. Platforms that don't have compatible representations - * for different prototypes (this is possible within ANSI C) - * are highly unlikely to have shared libraries at all, let - * alone a DSO_METHOD implemented for them. */ - DSO_FUNC_TYPE (*dso_bind_func)(DSO *dso, const char *symname); + { + const char *name; + /* Loads a shared library, NB: new DSO_METHODs must ensure that a + * successful load populates the loaded_filename field, and likewise a + * successful unload OPENSSL_frees and NULLs it out. */ + int (*dso_load)(DSO *dso); + /* Unloads a shared library */ + int (*dso_unload)(DSO *dso); + /* Binds a variable */ + void *(*dso_bind_var)(DSO *dso, const char *symname); + /* Binds a function - assumes a return type of DSO_FUNC_TYPE. + * This should be cast to the real function prototype by the + * caller. Platforms that don't have compatible representations + * for different prototypes (this is possible within ANSI C) + * are highly unlikely to have shared libraries at all, let + * alone a DSO_METHOD implemented for them. */ + DSO_FUNC_TYPE (*dso_bind_func)(DSO *dso, const char *symname); /* I don't think this would actually be used in any circumstances. */ #if 0 - /* Unbinds a variable */ - int (*dso_unbind_var)(DSO *dso, char *symname, void *symptr); - /* Unbinds a function */ - int (*dso_unbind_func)(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); + /* Unbinds a variable */ + int (*dso_unbind_var)(DSO *dso, char *symname, void *symptr); + /* Unbinds a function */ + int (*dso_unbind_func)(DSO *dso, char *symname, DSO_FUNC_TYPE symptr); #endif - /* The generic (yuck) "ctrl()" function. NB: Negative return - * values (rather than zero) indicate errors. */ - long (*dso_ctrl)(DSO *dso, int cmd, long larg, void *parg); - /* The default DSO_METHOD-specific function for converting filenames to - * a canonical native form. */ - DSO_NAME_CONVERTER_FUNC dso_name_converter; - /* The default DSO_METHOD-specific function for converting filenames to - * a canonical native form. */ - DSO_MERGER_FUNC dso_merger; - - /* [De]Initialisation handlers. */ - int (*init)(DSO *dso); - int (*finish)(DSO *dso); - } DSO_METHOD; + /* The generic (yuck) "ctrl()" function. NB: Negative return + * values (rather than zero) indicate errors. */ + long (*dso_ctrl)(DSO *dso, int cmd, long larg, void *parg); + /* The default DSO_METHOD-specific function for converting filenames to + * a canonical native form. */ + DSO_NAME_CONVERTER_FUNC dso_name_converter; + /* The default DSO_METHOD-specific function for converting filenames to + * a canonical native form. */ + DSO_MERGER_FUNC dso_merger; + + /* [De]Initialisation handlers. */ + int (*init)(DSO *dso); + int (*finish)(DSO *dso); + } DSO_METHOD; /**********************************************************************/ /* The low-level handle type used to refer to a loaded shared library */ struct dso_st - { - DSO_METHOD *meth; - /* Standard dlopen uses a (void *). Win32 uses a HANDLE. VMS - * doesn't use anything but will need to cache the filename - * for use in the dso_bind handler. All in all, let each - * method control its own destiny. "Handles" and such go in - * a STACK. */ - STACK *meth_data; - int references; - int flags; - /* For use by applications etc ... use this for your bits'n'pieces, - * don't touch meth_data! */ - CRYPTO_EX_DATA ex_data; - /* If this callback function pointer is set to non-NULL, then it will - * be used in DSO_load() in place of meth->dso_name_converter. NB: This - * should normally set using DSO_set_name_converter(). */ - DSO_NAME_CONVERTER_FUNC name_converter; - /* If this callback function pointer is set to non-NULL, then it will - * be used in DSO_load() in place of meth->dso_merger. NB: This - * should normally set using DSO_set_merger(). */ - DSO_MERGER_FUNC merger; - /* This is populated with (a copy of) the platform-independant - * filename used for this DSO. */ - char *filename; - /* This is populated with (a copy of) the translated filename by which - * the DSO was actually loaded. It is NULL iff the DSO is not currently - * loaded. NB: This is here because the filename translation process - * may involve a callback being invoked more than once not only to - * convert to a platform-specific form, but also to try different - * filenames in the process of trying to perform a load. As such, this - * variable can be used to indicate (a) whether this DSO structure - * corresponds to a loaded library or not, and (b) the filename with - * which it was actually loaded. */ - char *loaded_filename; - }; - - -DSO * DSO_new(void); -DSO * DSO_new_method(DSO_METHOD *method); -int DSO_free(DSO *dso); -int DSO_flags(DSO *dso); -int DSO_up_ref(DSO *dso); -long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg); + { + DSO_METHOD *meth; + /* Standard dlopen uses a (void *). Win32 uses a HANDLE. VMS + * doesn't use anything but will need to cache the filename + * for use in the dso_bind handler. All in all, let each + * method control its own destiny. "Handles" and such go in + * a STACK. */ + STACK *meth_data; + int references; + int flags; + /* For use by applications etc ... use this for your bits'n'pieces, + * don't touch meth_data! */ + CRYPTO_EX_DATA ex_data; + /* If this callback function pointer is set to non-NULL, then it will + * be used in DSO_load() in place of meth->dso_name_converter. NB: This + * should normally set using DSO_set_name_converter(). */ + DSO_NAME_CONVERTER_FUNC name_converter; + /* If this callback function pointer is set to non-NULL, then it will + * be used in DSO_load() in place of meth->dso_merger. NB: This + * should normally set using DSO_set_merger(). */ + DSO_MERGER_FUNC merger; + /* This is populated with (a copy of) the platform-independant + * filename used for this DSO. */ + char *filename; + /* This is populated with (a copy of) the translated filename by which + * the DSO was actually loaded. It is NULL iff the DSO is not currently + * loaded. NB: This is here because the filename translation process + * may involve a callback being invoked more than once not only to + * convert to a platform-specific form, but also to try different + * filenames in the process of trying to perform a load. As such, this + * variable can be used to indicate (a) whether this DSO structure + * corresponds to a loaded library or not, and (b) the filename with + * which it was actually loaded. */ + char *loaded_filename; + }; + + +DSO * DSO_new(void); +DSO * DSO_new_method(DSO_METHOD *method); +int DSO_free(DSO *dso); +int DSO_flags(DSO *dso); +int DSO_up_ref(DSO *dso); +long DSO_ctrl(DSO *dso, int cmd, long larg, void *parg); /* This function sets the DSO's name_converter callback. If it is non-NULL, * then it will be used instead of the associated DSO_METHOD's function. If * oldcb is non-NULL then it is set to the function pointer value being * replaced. Return value is non-zero for success. */ -int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb, - DSO_NAME_CONVERTER_FUNC *oldcb); +int DSO_set_name_converter(DSO *dso, DSO_NAME_CONVERTER_FUNC cb, + DSO_NAME_CONVERTER_FUNC *oldcb); /* These functions can be used to get/set the platform-independant filename * used for a DSO. NB: set will fail if the DSO is already loaded. */ const char *DSO_get_filename(DSO *dso); -int DSO_set_filename(DSO *dso, const char *filename); +int DSO_set_filename(DSO *dso, const char *filename); /* This function will invoke the DSO's name_converter callback to translate a * filename, or if the callback isn't set it will instead use the DSO_METHOD's * converter. If "filename" is NULL, the "filename" in the DSO itself will be @@ -238,12 +238,12 @@ int DSO_set_filename(DSO *dso, const char *filename); * DSO_METHOD during the processing of a DSO_load() call, and is exposed so that * caller-created DSO_METHODs can do the same thing. A non-NULL return value * will need to be OPENSSL_free()'d. */ -char *DSO_convert_filename(DSO *dso, const char *filename); +char *DSO_convert_filename(DSO *dso, const char *filename); /* This function will invoke the DSO's merger callback to merge two file * specifications, or if the callback isn't set it will instead use the * DSO_METHOD's merger. A non-NULL return value will need to be * OPENSSL_free()'d. */ -char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2); +char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2); /* If the DSO is currently loaded, this returns the filename that it was loaded * under, otherwise it returns NULL. So it is also useful as a test as to * whether the DSO is currently loaded. NB: This will not necessarily return @@ -253,7 +253,7 @@ char *DSO_merge(DSO *dso, const char *filespec1, const char *filespec2); * actually loaded. */ const char *DSO_get_loaded_filename(DSO *dso); -void DSO_set_default_method(DSO_METHOD *meth); +void DSO_set_default_method(DSO_METHOD *meth); DSO_METHOD *DSO_get_default_method(void); DSO_METHOD *DSO_get_method(DSO *dso); DSO_METHOD *DSO_set_method(DSO *dso, DSO_METHOD *meth); @@ -285,7 +285,7 @@ DSO_METHOD *DSO_METHOD_null(void); * this method. If not, this method will return NULL. */ DSO_METHOD *DSO_METHOD_dlfcn(void); -/* If DSO_DL is defined, the standard dl.h-style functions (shl_load, +/* If DSO_DL is defined, the standard dl.h-style functions (shl_load, * shl_unload, shl_findsym, etc) will be used and incorporated into * this method. If not, this method will return NULL. */ DSO_METHOD *DSO_METHOD_dl(void); @@ -305,62 +305,62 @@ void ERR_load_DSO_strings(void); /* Error codes for the DSO functions. */ /* Function codes. */ -#define DSO_F_DLFCN_BIND_FUNC 100 -#define DSO_F_DLFCN_BIND_VAR 101 -#define DSO_F_DLFCN_LOAD 102 -#define DSO_F_DLFCN_MERGER 130 -#define DSO_F_DLFCN_NAME_CONVERTER 123 -#define DSO_F_DLFCN_UNLOAD 103 -#define DSO_F_DL_BIND_FUNC 104 -#define DSO_F_DL_BIND_VAR 105 -#define DSO_F_DL_LOAD 106 -#define DSO_F_DL_MERGER 131 -#define DSO_F_DL_NAME_CONVERTER 124 -#define DSO_F_DL_UNLOAD 107 -#define DSO_F_DSO_BIND_FUNC 108 -#define DSO_F_DSO_BIND_VAR 109 -#define DSO_F_DSO_CONVERT_FILENAME 126 -#define DSO_F_DSO_CTRL 110 -#define DSO_F_DSO_FREE 111 -#define DSO_F_DSO_GET_FILENAME 127 -#define DSO_F_DSO_GET_LOADED_FILENAME 128 -#define DSO_F_DSO_LOAD 112 -#define DSO_F_DSO_MERGE 132 -#define DSO_F_DSO_NEW_METHOD 113 -#define DSO_F_DSO_SET_FILENAME 129 -#define DSO_F_DSO_SET_NAME_CONVERTER 122 -#define DSO_F_DSO_UP_REF 114 -#define DSO_F_VMS_BIND_SYM 115 -#define DSO_F_VMS_LOAD 116 -#define DSO_F_VMS_MERGER 133 -#define DSO_F_VMS_UNLOAD 117 -#define DSO_F_WIN32_BIND_FUNC 118 -#define DSO_F_WIN32_BIND_VAR 119 -#define DSO_F_WIN32_JOINER 135 -#define DSO_F_WIN32_LOAD 120 -#define DSO_F_WIN32_MERGER 134 -#define DSO_F_WIN32_NAME_CONVERTER 125 -#define DSO_F_WIN32_SPLITTER 136 -#define DSO_F_WIN32_UNLOAD 121 +#define DSO_F_DLFCN_BIND_FUNC 100 +#define DSO_F_DLFCN_BIND_VAR 101 +#define DSO_F_DLFCN_LOAD 102 +#define DSO_F_DLFCN_MERGER 130 +#define DSO_F_DLFCN_NAME_CONVERTER 123 +#define DSO_F_DLFCN_UNLOAD 103 +#define DSO_F_DL_BIND_FUNC 104 +#define DSO_F_DL_BIND_VAR 105 +#define DSO_F_DL_LOAD 106 +#define DSO_F_DL_MERGER 131 +#define DSO_F_DL_NAME_CONVERTER 124 +#define DSO_F_DL_UNLOAD 107 +#define DSO_F_DSO_BIND_FUNC 108 +#define DSO_F_DSO_BIND_VAR 109 +#define DSO_F_DSO_CONVERT_FILENAME 126 +#define DSO_F_DSO_CTRL 110 +#define DSO_F_DSO_FREE 111 +#define DSO_F_DSO_GET_FILENAME 127 +#define DSO_F_DSO_GET_LOADED_FILENAME 128 +#define DSO_F_DSO_LOAD 112 +#define DSO_F_DSO_MERGE 132 +#define DSO_F_DSO_NEW_METHOD 113 +#define DSO_F_DSO_SET_FILENAME 129 +#define DSO_F_DSO_SET_NAME_CONVERTER 122 +#define DSO_F_DSO_UP_REF 114 +#define DSO_F_VMS_BIND_SYM 115 +#define DSO_F_VMS_LOAD 116 +#define DSO_F_VMS_MERGER 133 +#define DSO_F_VMS_UNLOAD 117 +#define DSO_F_WIN32_BIND_FUNC 118 +#define DSO_F_WIN32_BIND_VAR 119 +#define DSO_F_WIN32_JOINER 135 +#define DSO_F_WIN32_LOAD 120 +#define DSO_F_WIN32_MERGER 134 +#define DSO_F_WIN32_NAME_CONVERTER 125 +#define DSO_F_WIN32_SPLITTER 136 +#define DSO_F_WIN32_UNLOAD 121 /* Reason codes. */ -#define DSO_R_CTRL_FAILED 100 -#define DSO_R_DSO_ALREADY_LOADED 110 -#define DSO_R_EMPTY_FILE_STRUCTURE 113 -#define DSO_R_FAILURE 114 -#define DSO_R_FILENAME_TOO_BIG 101 -#define DSO_R_FINISH_FAILED 102 -#define DSO_R_INCORRECT_FILE_SYNTAX 115 -#define DSO_R_LOAD_FAILED 103 -#define DSO_R_NAME_TRANSLATION_FAILED 109 -#define DSO_R_NO_FILENAME 111 -#define DSO_R_NO_FILE_SPECIFICATION 116 -#define DSO_R_NULL_HANDLE 104 -#define DSO_R_SET_FILENAME_FAILED 112 -#define DSO_R_STACK_ERROR 105 -#define DSO_R_SYM_FAILURE 106 -#define DSO_R_UNLOAD_FAILED 107 -#define DSO_R_UNSUPPORTED 108 +#define DSO_R_CTRL_FAILED 100 +#define DSO_R_DSO_ALREADY_LOADED 110 +#define DSO_R_EMPTY_FILE_STRUCTURE 113 +#define DSO_R_FAILURE 114 +#define DSO_R_FILENAME_TOO_BIG 101 +#define DSO_R_FINISH_FAILED 102 +#define DSO_R_INCORRECT_FILE_SYNTAX 115 +#define DSO_R_LOAD_FAILED 103 +#define DSO_R_NAME_TRANSLATION_FAILED 109 +#define DSO_R_NO_FILENAME 111 +#define DSO_R_NO_FILE_SPECIFICATION 116 +#define DSO_R_NULL_HANDLE 104 +#define DSO_R_SET_FILENAME_FAILED 112 +#define DSO_R_STACK_ERROR 105 +#define DSO_R_SYM_FAILURE 106 +#define DSO_R_UNLOAD_FAILED 107 +#define DSO_R_UNSUPPORTED 108 #ifdef __cplusplus } |