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Diffstat (limited to 'Cryptlib/OpenSSL/crypto/dso/dso_win32.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/dso/dso_win32.c221
1 files changed, 200 insertions, 21 deletions
diff --git a/Cryptlib/OpenSSL/crypto/dso/dso_win32.c b/Cryptlib/OpenSSL/crypto/dso/dso_win32.c
index 973e7ebf..c65234e9 100644
--- a/Cryptlib/OpenSSL/crypto/dso/dso_win32.c
+++ b/Cryptlib/OpenSSL/crypto/dso/dso_win32.c
@@ -98,9 +98,10 @@ static HINSTANCE LoadLibraryA(LPCSTR lpLibFileName)
# else
fnamw = (WCHAR *)alloca(len_0 * sizeof(WCHAR));
# endif
- if (fnamw == NULL)
+ if (fnamw == NULL) {
+ SetLastError(ERROR_NOT_ENOUGH_MEMORY);
return NULL;
-
+ }
# if defined(_WIN32_WCE) && _WIN32_WCE>=101
if (!MultiByteToWideChar(CP_ACP, 0, lpLibFileName, len_0, fnamw, len_0))
# endif
@@ -128,6 +129,8 @@ static long win32_ctrl(DSO *dso, int cmd, long larg, void *parg);
static char *win32_name_converter(DSO *dso, const char *filename);
static char *win32_merger(DSO *dso, const char *filespec1,
const char *filespec2);
+static int win32_pathbyaddr(void *addr, char *path, int sz);
+static void *win32_globallookup(const char *name);
static const char *openssl_strnchr(const char *string, int c, size_t len);
@@ -146,7 +149,9 @@ static DSO_METHOD dso_meth_win32 = {
win32_name_converter,
win32_merger,
NULL, /* init */
- NULL /* finish */
+ NULL, /* finish */
+ win32_pathbyaddr,
+ win32_globallookup
};
DSO_METHOD *DSO_METHOD_win32(void)
@@ -181,7 +186,7 @@ static int win32_load(DSO *dso)
goto err;
}
*p = h;
- if (!sk_push(dso->meth_data, (char *)p)) {
+ if (!sk_void_push(dso->meth_data, p)) {
DSOerr(DSO_F_WIN32_LOAD, DSO_R_STACK_ERROR);
goto err;
}
@@ -206,9 +211,9 @@ static int win32_unload(DSO *dso)
DSOerr(DSO_F_WIN32_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
return (0);
}
- if (sk_num(dso->meth_data) < 1)
+ if (sk_void_num(dso->meth_data) < 1)
return (1);
- p = (HINSTANCE *) sk_pop(dso->meth_data);
+ p = sk_void_pop(dso->meth_data);
if (p == NULL) {
DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_NULL_HANDLE);
return (0);
@@ -218,7 +223,7 @@ static int win32_unload(DSO *dso)
/*
* We should push the value back onto the stack in case of a retry.
*/
- sk_push(dso->meth_data, (char *)p);
+ sk_void_push(dso->meth_data, p);
return (0);
}
/* Cleanup */
@@ -239,11 +244,11 @@ static void *win32_bind_var(DSO *dso, const char *symname)
DSOerr(DSO_F_WIN32_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
- if (sk_num(dso->meth_data) < 1) {
+ if (sk_void_num(dso->meth_data) < 1) {
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);
+ ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
if (ptr == NULL) {
DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_NULL_HANDLE);
return (NULL);
@@ -266,11 +271,11 @@ static DSO_FUNC_TYPE win32_bind_func(DSO *dso, const char *symname)
DSOerr(DSO_F_WIN32_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER);
return (NULL);
}
- if (sk_num(dso->meth_data) < 1) {
+ if (sk_void_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);
+ ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);
if (ptr == NULL) {
DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_NULL_HANDLE);
return (NULL);
@@ -343,7 +348,7 @@ static struct file_st *win32_splitter(DSO *dso, const char *filename,
return (NULL);
}
result->device = start;
- result->devicelen = filename - start;
+ result->devicelen = (int)(filename - start);
position = IN_FILE;
start = ++filename;
result->dir = start;
@@ -351,7 +356,7 @@ static struct file_st *win32_splitter(DSO *dso, const char *filename,
case '\\':
case '/':
if (position == IN_NODE) {
- result->nodelen = filename - start;
+ result->nodelen = (int)(filename - start);
position = IN_FILE;
start = ++filename;
result->dir = start;
@@ -359,17 +364,17 @@ static struct file_st *win32_splitter(DSO *dso, const char *filename,
position = IN_FILE;
filename++;
result->dir = start;
- result->dirlen = filename - start;
+ result->dirlen = (int)(filename - start);
start = filename;
} else {
filename++;
- result->dirlen += filename - start;
+ result->dirlen += (int)(filename - start);
start = filename;
}
break;
case '\0':
if (position == IN_NODE) {
- result->nodelen = filename - start;
+ result->nodelen = (int)(filename - start);
} else {
if (filename - start > 0) {
if (assume_last_is_dir) {
@@ -377,10 +382,10 @@ static struct file_st *win32_splitter(DSO *dso, const char *filename,
result->dir = start;
result->dirlen = 0;
}
- result->dirlen += filename - start;
+ result->dirlen += (int)(filename - start);
} else {
result->file = start;
- result->filelen = filename - start;
+ result->filelen = (int)(filename - start);
}
}
}
@@ -466,7 +471,7 @@ static char *win32_joiner(DSO *dso, const struct file_st *file_split)
end = start
+ file_split->predirlen - (start - file_split->predir);
strncpy(&result[offset], start, end - start);
- offset += end - start;
+ offset += (int)(end - start);
result[offset] = '\\';
offset++;
start = end + 1;
@@ -486,7 +491,7 @@ static char *win32_joiner(DSO *dso, const struct file_st *file_split)
if (!end)
end = start + file_split->dirlen - (start - file_split->dir);
strncpy(&result[offset], start, end - start);
- offset += end - start;
+ offset += (int)(end - start);
result[offset] = '\\';
offset++;
start = end + 1;
@@ -606,4 +611,178 @@ static const char *openssl_strnchr(const char *string, int c, size_t len)
return NULL;
}
-#endif /* OPENSSL_SYS_WIN32 */
+# include <tlhelp32.h>
+# ifdef _WIN32_WCE
+# define DLLNAME "TOOLHELP.DLL"
+# else
+# ifdef MODULEENTRY32
+# undef MODULEENTRY32 /* unmask the ASCII version! */
+# endif
+# define DLLNAME "KERNEL32.DLL"
+# endif
+
+typedef HANDLE(WINAPI *CREATETOOLHELP32SNAPSHOT) (DWORD, DWORD);
+typedef BOOL(WINAPI *CLOSETOOLHELP32SNAPSHOT) (HANDLE);
+typedef BOOL(WINAPI *MODULE32) (HANDLE, MODULEENTRY32 *);
+
+static int win32_pathbyaddr(void *addr, char *path, int sz)
+{
+ HMODULE dll;
+ HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
+ MODULEENTRY32 me32;
+ CREATETOOLHELP32SNAPSHOT create_snap;
+ CLOSETOOLHELP32SNAPSHOT close_snap;
+ MODULE32 module_first, module_next;
+
+ if (addr == NULL) {
+ union {
+ int (*f) (void *, char *, int);
+ void *p;
+ } t = {
+ win32_pathbyaddr
+ };
+ addr = t.p;
+ }
+
+ dll = LoadLibrary(TEXT(DLLNAME));
+ if (dll == NULL) {
+ DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_UNSUPPORTED);
+ return -1;
+ }
+
+ create_snap = (CREATETOOLHELP32SNAPSHOT)
+ GetProcAddress(dll, "CreateToolhelp32Snapshot");
+ if (create_snap == NULL) {
+ FreeLibrary(dll);
+ DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_UNSUPPORTED);
+ return -1;
+ }
+ /* We take the rest for granted... */
+# ifdef _WIN32_WCE
+ close_snap = (CLOSETOOLHELP32SNAPSHOT)
+ GetProcAddress(dll, "CloseToolhelp32Snapshot");
+# else
+ close_snap = (CLOSETOOLHELP32SNAPSHOT) CloseHandle;
+# endif
+ module_first = (MODULE32) GetProcAddress(dll, "Module32First");
+ module_next = (MODULE32) GetProcAddress(dll, "Module32Next");
+
+ hModuleSnap = (*create_snap) (TH32CS_SNAPMODULE, 0);
+ if (hModuleSnap == INVALID_HANDLE_VALUE) {
+ FreeLibrary(dll);
+ DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_UNSUPPORTED);
+ return -1;
+ }
+
+ me32.dwSize = sizeof(me32);
+
+ if (!(*module_first) (hModuleSnap, &me32)) {
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+ DSOerr(DSO_F_WIN32_PATHBYADDR, DSO_R_FAILURE);
+ return -1;
+ }
+
+ do {
+ if ((BYTE *) addr >= me32.modBaseAddr &&
+ (BYTE *) addr < me32.modBaseAddr + me32.modBaseSize) {
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+# ifdef _WIN32_WCE
+# if _WIN32_WCE >= 101
+ return WideCharToMultiByte(CP_ACP, 0, me32.szExePath, -1,
+ path, sz, NULL, NULL);
+# else
+ {
+ int i, len = (int)wcslen(me32.szExePath);
+ if (sz <= 0)
+ return len + 1;
+ if (len >= sz)
+ len = sz - 1;
+ for (i = 0; i < len; i++)
+ path[i] = (char)me32.szExePath[i];
+ path[len++] = 0;
+ return len;
+ }
+# endif
+# else
+ {
+ int len = (int)strlen(me32.szExePath);
+ if (sz <= 0)
+ return len + 1;
+ if (len >= sz)
+ len = sz - 1;
+ memcpy(path, me32.szExePath, len);
+ path[len++] = 0;
+ return len;
+ }
+# endif
+ }
+ } while ((*module_next) (hModuleSnap, &me32));
+
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+ return 0;
+}
+
+static void *win32_globallookup(const char *name)
+{
+ HMODULE dll;
+ HANDLE hModuleSnap = INVALID_HANDLE_VALUE;
+ MODULEENTRY32 me32;
+ CREATETOOLHELP32SNAPSHOT create_snap;
+ CLOSETOOLHELP32SNAPSHOT close_snap;
+ MODULE32 module_first, module_next;
+ FARPROC ret = NULL;
+
+ dll = LoadLibrary(TEXT(DLLNAME));
+ if (dll == NULL) {
+ DSOerr(DSO_F_WIN32_GLOBALLOOKUP, DSO_R_UNSUPPORTED);
+ return NULL;
+ }
+
+ create_snap = (CREATETOOLHELP32SNAPSHOT)
+ GetProcAddress(dll, "CreateToolhelp32Snapshot");
+ if (create_snap == NULL) {
+ FreeLibrary(dll);
+ DSOerr(DSO_F_WIN32_GLOBALLOOKUP, DSO_R_UNSUPPORTED);
+ return NULL;
+ }
+ /* We take the rest for granted... */
+# ifdef _WIN32_WCE
+ close_snap = (CLOSETOOLHELP32SNAPSHOT)
+ GetProcAddress(dll, "CloseToolhelp32Snapshot");
+# else
+ close_snap = (CLOSETOOLHELP32SNAPSHOT) CloseHandle;
+# endif
+ module_first = (MODULE32) GetProcAddress(dll, "Module32First");
+ module_next = (MODULE32) GetProcAddress(dll, "Module32Next");
+
+ hModuleSnap = (*create_snap) (TH32CS_SNAPMODULE, 0);
+ if (hModuleSnap == INVALID_HANDLE_VALUE) {
+ FreeLibrary(dll);
+ DSOerr(DSO_F_WIN32_GLOBALLOOKUP, DSO_R_UNSUPPORTED);
+ return NULL;
+ }
+
+ me32.dwSize = sizeof(me32);
+
+ if (!(*module_first) (hModuleSnap, &me32)) {
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+ return NULL;
+ }
+
+ do {
+ if ((ret = GetProcAddress(me32.hModule, name))) {
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+ return ret;
+ }
+ } while ((*module_next) (hModuleSnap, &me32));
+
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+ return NULL;
+}
+#endif /* DSO_WIN32 */
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