*/
#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
+
typedef void (*DSO_FUNC_TYPE)(void);
/* The function prototype used for method functions (or caller-provided
* callbacks) that transform filenames. They are passed a DSO structure pointer
- * (or NULL if they are to be used independantly of a DSO object) and a
+ * (or NULL if they are to be used independently of a DSO object) and a
* filename to transform. They should either return NULL (if there is an error
* condition) or a newly allocated string containing the transformed form that
* the caller will need to free with OPENSSL_free() when done. */
typedef char* (*DSO_NAME_CONVERTER_FUNC)(DSO *, const char *);
/* The function prototype used for method functions (or caller-provided
* callbacks) that merge two file specifications. They are passed a
- * DSO structure pointer (or NULL if they are to be used independantly of
+ * DSO structure pointer (or NULL if they are to be used independently of
* a DSO object) and two file specifications to merge. They should
* either return NULL (if there is an error condition) or a newly allocated
* string containing the result of merging that the caller will need
* file specifications and added together in whatever fashion that is
* sensible for the DSO method in question. The only rule that really
* applies is that if the two specification contain pieces of the same
- * type, the copy from the string string takes priority. One could see
+ * type, the copy from the first string takes priority. One could see
* it as the first specification is the one given by the user and the
* second being a bunch of defaults to add on if they're missing in the
* first. */
/* [De]Initialisation handlers. */
int (*init)(DSO *dso);
int (*finish)(DSO *dso);
+
+ /* Return pathname of the module containing location */
+ int (*pathbyaddr)(void *addr,char *path,int sz);
+ /* Perform global symbol lookup, i.e. among *all* modules */
+ void *(*globallookup)(const char *symname);
} DSO_METHOD;
/**********************************************************************/
* 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;
+ STACK_OF(void) *meth_data;
int references;
int flags;
/* For use by applications etc ... use this for your bits'n'pieces,
* 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
+ /* This is populated with (a copy of) the platform-independent
* filename used for this DSO. */
char *filename;
/* This is populated with (a copy of) the translated filename by which
* 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);
-/* These functions can be used to get/set the platform-independant filename
+/* These functions can be used to get/set the platform-independent 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);
/* If VMS is defined, use shared images. If not, return NULL. */
DSO_METHOD *DSO_METHOD_vms(void);
+/* This function writes null-terminated pathname of DSO module
+ * containing 'addr' into 'sz' large caller-provided 'path' and
+ * returns the number of characters [including trailing zero]
+ * written to it. If 'sz' is 0 or negative, 'path' is ignored and
+ * required amount of charachers [including trailing zero] to
+ * accomodate pathname is returned. If 'addr' is NULL, then
+ * pathname of cryptolib itself is returned. Negative or zero
+ * return value denotes error.
+ */
+int DSO_pathbyaddr(void *addr,char *path,int sz);
+
+/* This function should be used with caution! It looks up symbols in
+ * *all* loaded modules and if module gets unloaded by somebody else
+ * attempt to dereference the pointer is doomed to have fatal
+ * consequences. Primary usage for this function is to probe *core*
+ * system functionality, e.g. check if getnameinfo(3) is available
+ * at run-time without bothering about OS-specific details such as
+ * libc.so.versioning or where does it actually reside: in libc
+ * itself or libsocket. */
+void *DSO_global_lookup(const char *name);
+
+/* If BeOS is defined, use shared images. If not, return NULL. */
+DSO_METHOD *DSO_METHOD_beos(void);
+
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
/* Error codes for the DSO functions. */
/* Function codes. */
+#define DSO_F_BEOS_BIND_FUNC 144
+#define DSO_F_BEOS_BIND_VAR 145
+#define DSO_F_BEOS_LOAD 146
+#define DSO_F_BEOS_NAME_CONVERTER 147
+#define DSO_F_BEOS_UNLOAD 148
#define DSO_F_DLFCN_BIND_FUNC 100
#define DSO_F_DLFCN_BIND_VAR 101
#define DSO_F_DLFCN_LOAD 102
#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_GLOBAL_LOOKUP 139
#define DSO_F_DSO_LOAD 112
#define DSO_F_DSO_MERGE 132
#define DSO_F_DSO_NEW_METHOD 113
+#define DSO_F_DSO_PATHBYADDR 140
#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_VAR 115
+#define DSO_F_GLOBAL_LOOKUP_FUNC 138
+#define DSO_F_PATHBYADDR 137
+#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_GLOBALLOOKUP 142
+#define DSO_F_WIN32_GLOBALLOOKUP_FUNC 143
+#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_PATHBYADDR 141
+#define DSO_F_WIN32_SPLITTER 136
#define DSO_F_WIN32_UNLOAD 121
/* Reason codes. */
#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
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