*/
#include <stdio.h>
+#include <string.h>
#include "cryptlib.h"
#include <openssl/dso.h>
-#ifndef WIN32
+#ifndef OPENSSL_SYS_WIN32
DSO_METHOD *DSO_METHOD_win32(void)
{
return NULL;
}
#else
-static int win32_load(DSO *dso, const char *filename);
+/* Part of the hack in "win32_load" ... */
+#define DSO_MAX_TRANSLATED_SIZE 256
+
+static int win32_load(DSO *dso);
static int win32_unload(DSO *dso);
-static int win32_bind(DSO *dso, const char *symname, void **symptr);
+static void *win32_bind_var(DSO *dso, const char *symname);
+static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname);
#if 0
-static int win32_unbind(DSO *dso, char *symname, void *symptr);
+static int win32_unbind_var(DSO *dso, char *symname, void *symptr);
+static int win32_unbind_func(DSO *dso, char *symname, DSO_FUNC_TYPE symptr);
static int win32_init(DSO *dso);
static int win32_finish(DSO *dso);
+static long win32_ctrl(DSO *dso, int cmd, long larg, void *parg);
#endif
+static char *win32_name_converter(DSO *dso, const char *filename);
static DSO_METHOD dso_meth_win32 = {
"OpenSSL 'win32' shared library method",
win32_load,
win32_unload,
- win32_bind,
+ win32_bind_var,
+ win32_bind_func,
/* For now, "unbind" doesn't exist */
#if 0
- NULL, /* unbind */
+ NULL, /* unbind_var */
+ NULL, /* unbind_func */
#endif
+ NULL, /* ctrl */
+ win32_name_converter,
NULL, /* init */
NULL /* finish */
};
/* For this DSO_METHOD, our meth_data STACK will contain;
* (i) a pointer to the handle (HINSTANCE) returned from
- * LoadLibrary(), and copied.
+ * LoadLibrary(), and copied.
*/
-static int win32_load(DSO *dso, const char *filename)
+static int win32_load(DSO *dso)
{
- HINSTANCE h, *p;
+ HINSTANCE h = NULL, *p = NULL;
+ /* See applicable comments from dso_dl.c */
+ char *filename = DSO_convert_filename(dso, NULL);
+ if(filename == NULL)
+ {
+ DSOerr(DSO_F_WIN32_LOAD,DSO_R_NO_FILENAME);
+ goto err;
+ }
h = LoadLibrary(filename);
if(h == NULL)
{
DSOerr(DSO_F_WIN32_LOAD,DSO_R_LOAD_FAILED);
- return(0);
+ ERR_add_error_data(3, "filename(", filename, ")");
+ goto err;
}
- p = (HINSTANCE *)Malloc(sizeof(HINSTANCE));
+ p = (HINSTANCE *)OPENSSL_malloc(sizeof(HINSTANCE));
if(p == NULL)
{
DSOerr(DSO_F_WIN32_LOAD,ERR_R_MALLOC_FAILURE);
- FreeLibrary(h);
- return(0);
+ goto err;
}
*p = h;
if(!sk_push(dso->meth_data, (char *)p))
{
DSOerr(DSO_F_WIN32_LOAD,DSO_R_STACK_ERROR);
- FreeLibrary(h);
- Free(p);
- return(0);
+ goto err;
}
+ /* Success */
+ dso->loaded_filename = filename;
return(1);
+err:
+ /* Cleanup !*/
+ if(filename != NULL)
+ OPENSSL_free(filename);
+ if(p != NULL)
+ OPENSSL_free(p);
+ if(h != NULL)
+ FreeLibrary(h);
+ return(0);
}
static int win32_unload(DSO *dso)
return(0);
}
if(sk_num(dso->meth_data) < 1)
- {
- DSOerr(DSO_F_WIN32_UNLOAD,DSO_R_STACK_ERROR);
- return(0);
- }
+ return(1);
p = (HINSTANCE *)sk_pop(dso->meth_data);
if(p == NULL)
{
DSOerr(DSO_F_WIN32_UNLOAD,DSO_R_NULL_HANDLE);
return(0);
}
- if(!FreeLibrary(p))
+ if(!FreeLibrary(*p))
{
DSOerr(DSO_F_WIN32_UNLOAD,DSO_R_UNLOAD_FAILED);
/* We should push the value back onto the stack in
return(0);
}
/* Cleanup */
- Free(p);
+ OPENSSL_free(p);
return(1);
}
-static int win32_bind(DSO *dso, const char *symname, void **symptr)
+/* Using GetProcAddress for variables? TODO: Check this out in
+ * the Win32 API docs, there's probably a variant for variables. */
+static void *win32_bind_var(DSO *dso, const char *symname)
{
HINSTANCE *ptr;
void *sym;
- if((dso == NULL) || (symptr == NULL) || (symname == NULL))
+ if((dso == NULL) || (symname == NULL))
{
- DSOerr(DSO_F_WIN32_BIND,ERR_R_PASSED_NULL_PARAMETER);
- return(0);
+ DSOerr(DSO_F_WIN32_BIND_VAR,ERR_R_PASSED_NULL_PARAMETER);
+ return(NULL);
}
if(sk_num(dso->meth_data) < 1)
{
- DSOerr(DSO_F_WIN32_BIND,DSO_R_STACK_ERROR);
- return(0);
+ DSOerr(DSO_F_WIN32_BIND_VAR,DSO_R_STACK_ERROR);
+ return(NULL);
}
ptr = (HINSTANCE *)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
if(ptr == NULL)
{
- DSOerr(DSO_F_WIN32_BIND,DSO_R_NULL_HANDLE);
- return(0);
+ DSOerr(DSO_F_WIN32_BIND_VAR,DSO_R_NULL_HANDLE);
+ return(NULL);
}
sym = GetProcAddress(*ptr, symname);
if(sym == NULL)
{
- DSOerr(DSO_F_WIN32_BIND,DSO_R_SYM_FAILURE);
- return(0);
+ DSOerr(DSO_F_WIN32_BIND_VAR,DSO_R_SYM_FAILURE);
+ ERR_add_error_data(3, "symname(", symname, ")");
+ return(NULL);
}
- *symptr = sym;
- return(1);
+ return(sym);
+ }
+
+static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname)
+ {
+ HINSTANCE *ptr;
+ void *sym;
+
+ if((dso == NULL) || (symname == NULL))
+ {
+ DSOerr(DSO_F_WIN32_BIND_FUNC,ERR_R_PASSED_NULL_PARAMETER);
+ return(NULL);
+ }
+ if(sk_num(dso->meth_data) < 1)
+ {
+ DSOerr(DSO_F_WIN32_BIND_FUNC,DSO_R_STACK_ERROR);
+ return(NULL);
+ }
+ ptr = (HINSTANCE *)sk_value(dso->meth_data, sk_num(dso->meth_data) - 1);
+ if(ptr == NULL)
+ {
+ DSOerr(DSO_F_WIN32_BIND_FUNC,DSO_R_NULL_HANDLE);
+ return(NULL);
+ }
+ sym = GetProcAddress(*ptr, symname);
+ if(sym == NULL)
+ {
+ DSOerr(DSO_F_WIN32_BIND_FUNC,DSO_R_SYM_FAILURE);
+ ERR_add_error_data(3, "symname(", symname, ")");
+ return(NULL);
+ }
+ return((DSO_FUNC_TYPE)sym);
+ }
+
+static char *win32_name_converter(DSO *dso, const char *filename)
+ {
+ char *translated;
+ int len, transform;
+
+ len = strlen(filename);
+ transform = ((strstr(filename, "/") == NULL) &&
+ (strstr(filename, "\\") == NULL) &&
+ (strstr(filename, ":") == NULL));
+ if(transform)
+ /* We will convert this to "%s.dll" */
+ translated = OPENSSL_malloc(len + 5);
+ else
+ /* We will simply duplicate filename */
+ translated = OPENSSL_malloc(len + 1);
+ if(translated == NULL)
+ {
+ DSOerr(DSO_F_WIN32_NAME_CONVERTER,
+ DSO_R_NAME_TRANSLATION_FAILED);
+ return(NULL);
+ }
+ if(transform)
+ sprintf(translated, "%s.dll", filename);
+ else
+ sprintf(translated, "%s", filename);
+ return(translated);
}
-#endif /* WIN32 */
+#endif /* OPENSSL_SYS_WIN32 */
projects / openssl.git / blobdiff