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authormarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
committermarha <marha@users.sourceforge.net>2010-03-30 12:36:28 +0000
commitff48c0d9098080b51ea12710029135916d117806 (patch)
tree96e6af9caf170ba21a1027b24e306a07e27d7b75 /openssl/crypto/dso/dso.h
parentbb731f5ac92655c4860a41fa818a7a63005f8369 (diff)
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svn merge -r514:HEAD ^/branches/released .
Diffstat (limited to 'openssl/crypto/dso/dso.h')
-rw-r--r--openssl/crypto/dso/dso.h43
1 files changed, 42 insertions, 1 deletions
diff --git a/openssl/crypto/dso/dso.h b/openssl/crypto/dso/dso.h
index 3e51913a7..839f2e061 100644
--- a/openssl/crypto/dso/dso.h
+++ b/openssl/crypto/dso/dso.h
@@ -170,6 +170,11 @@ typedef struct dso_meth_st
/* [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;
/**********************************************************************/
@@ -183,7 +188,7 @@ struct dso_st
* 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,
@@ -296,6 +301,30 @@ DSO_METHOD *DSO_METHOD_win32(void);
/* 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.
@@ -305,6 +334,11 @@ void ERR_load_DSO_strings(void);
/* 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
@@ -324,22 +358,29 @@ void ERR_load_DSO_strings(void);
#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_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