-/* dso_win32.c -*- mode:C; c-file-style: "eay" -*- */
-/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
- * project 2000.
+/*
+ * Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL project
+ * 2000.
*/
/* ====================================================================
* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
* 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
#include <stdio.h>
#include <string.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/dso.h>
#if !defined(DSO_WIN32)
DSO_METHOD *DSO_METHOD_win32(void)
- {
- return NULL;
- }
+{
+ return NULL;
+}
#else
+# ifdef _WIN32_WCE
+# if _WIN32_WCE < 300
+static FARPROC GetProcAddressA(HMODULE hModule, LPCSTR lpProcName)
+{
+ WCHAR lpProcNameW[64];
+ int i;
+
+ for (i = 0; lpProcName[i] && i < 64; i++)
+ lpProcNameW[i] = (WCHAR)lpProcName[i];
+ if (i == 64)
+ return NULL;
+ lpProcNameW[i] = 0;
+
+ return GetProcAddressW(hModule, lpProcNameW);
+}
+# endif
+# undef GetProcAddress
+# define GetProcAddress GetProcAddressA
+
+static HINSTANCE LoadLibraryA(LPCSTR lpLibFileName)
+{
+ WCHAR *fnamw;
+ size_t len_0 = strlen(lpLibFileName) + 1, i;
+
+# ifdef _MSC_VER
+ fnamw = (WCHAR *)_alloca(len_0 * sizeof(WCHAR));
+# else
+ fnamw = (WCHAR *)alloca(len_0 * sizeof(WCHAR));
+# endif
+ 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
+ for (i = 0; i < len_0; i++)
+ fnamw[i] = (WCHAR)lpLibFileName[i];
+
+ return LoadLibraryW(fnamw);
+}
+# endif
+
/* Part of the hack in "win32_load" ... */
-#define DSO_MAX_TRANSLATED_SIZE 256
+# define DSO_MAX_TRANSLATED_SIZE 256
static int win32_load(DSO *dso);
static int win32_unload(DSO *dso);
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_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 char *win32_merger(DSO *dso, const char *filespec1,
- const char *filespec2);
-static int win32_pathbyaddr(void *addr,char *path,int sz);
+ 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);
static DSO_METHOD dso_meth_win32 = {
- "OpenSSL 'win32' shared library method",
- win32_load,
- win32_unload,
- win32_bind_var,
- win32_bind_func,
-/* For now, "unbind" doesn't exist */
-#if 0
- NULL, /* unbind_var */
- NULL, /* unbind_func */
-#endif
- NULL, /* ctrl */
- win32_name_converter,
- win32_merger,
- NULL, /* init */
- NULL, /* finish */
- win32_pathbyaddr
- };
+ "OpenSSL 'win32' shared library method",
+ win32_load,
+ win32_unload,
+ win32_bind_var,
+ win32_bind_func,
+ NULL, /* ctrl */
+ win32_name_converter,
+ win32_merger,
+ NULL, /* init */
+ NULL, /* finish */
+ win32_pathbyaddr,
+ win32_globallookup
+};
DSO_METHOD *DSO_METHOD_win32(void)
- {
- return(&dso_meth_win32);
- }
+{
+ return (&dso_meth_win32);
+}
-/* For this DSO_METHOD, our meth_data STACK will contain;
- * (i) a pointer to the handle (HINSTANCE) returned from
- * LoadLibrary(), and copied.
+/*
+ * For this DSO_METHOD, our meth_data STACK will contain; (i) a pointer to
+ * the handle (HINSTANCE) returned from LoadLibrary(), and copied.
*/
static int win32_load(DSO *dso)
- {
- 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 = LoadLibraryA(filename);
- if(h == NULL)
- {
- DSOerr(DSO_F_WIN32_LOAD,DSO_R_LOAD_FAILED);
- ERR_add_error_data(3, "filename(", filename, ")");
- goto err;
- }
- p = (HINSTANCE *)OPENSSL_malloc(sizeof(HINSTANCE));
- if(p == NULL)
- {
- DSOerr(DSO_F_WIN32_LOAD,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- *p = h;
- if(!sk_push(dso->meth_data, (char *)p))
- {
- DSOerr(DSO_F_WIN32_LOAD,DSO_R_STACK_ERROR);
- 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);
- }
+{
+ 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 = LoadLibraryA(filename);
+ if (h == NULL) {
+ DSOerr(DSO_F_WIN32_LOAD, DSO_R_LOAD_FAILED);
+ ERR_add_error_data(3, "filename(", filename, ")");
+ goto err;
+ }
+ p = OPENSSL_malloc(sizeof(*p));
+ if (p == NULL) {
+ DSOerr(DSO_F_WIN32_LOAD, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ *p = h;
+ if (!sk_void_push(dso->meth_data, p)) {
+ DSOerr(DSO_F_WIN32_LOAD, DSO_R_STACK_ERROR);
+ goto err;
+ }
+ /* Success */
+ dso->loaded_filename = filename;
+ return (1);
+ err:
+ /* Cleanup ! */
+ OPENSSL_free(filename);
+ OPENSSL_free(p);
+ if (h != NULL)
+ FreeLibrary(h);
+ return (0);
+}
static int win32_unload(DSO *dso)
- {
- HINSTANCE *p;
- if(dso == NULL)
- {
- DSOerr(DSO_F_WIN32_UNLOAD,ERR_R_PASSED_NULL_PARAMETER);
- return(0);
- }
- if(sk_num(dso->meth_data) < 1)
- 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))
- {
- DSOerr(DSO_F_WIN32_UNLOAD,DSO_R_UNLOAD_FAILED);
- /* We should push the value back onto the stack in
- * case of a retry. */
- sk_push(dso->meth_data, (char *)p);
- return(0);
- }
- /* Cleanup */
- OPENSSL_free(p);
- return(1);
- }
-
-/* Using GetProcAddress for variables? TODO: Check this out in
- * the Win32 API docs, there's probably a variant for variables. */
+{
+ HINSTANCE *p;
+ if (dso == NULL) {
+ DSOerr(DSO_F_WIN32_UNLOAD, ERR_R_PASSED_NULL_PARAMETER);
+ return (0);
+ }
+ if (sk_void_num(dso->meth_data) < 1)
+ return (1);
+ p = sk_void_pop(dso->meth_data);
+ if (p == NULL) {
+ DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_NULL_HANDLE);
+ return (0);
+ }
+ if (!FreeLibrary(*p)) {
+ DSOerr(DSO_F_WIN32_UNLOAD, DSO_R_UNLOAD_FAILED);
+ /*
+ * We should push the value back onto the stack in case of a retry.
+ */
+ sk_void_push(dso->meth_data, p);
+ return (0);
+ }
+ /* Cleanup */
+ OPENSSL_free(p);
+ return (1);
+}
+
+/*
+ * 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) || (symname == NULL))
- {
- 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_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_VAR,DSO_R_NULL_HANDLE);
- return(NULL);
- }
- sym = GetProcAddress(*ptr, symname);
- if(sym == NULL)
- {
- DSOerr(DSO_F_WIN32_BIND_VAR,DSO_R_SYM_FAILURE);
- ERR_add_error_data(3, "symname(", symname, ")");
- return(NULL);
- }
- return(sym);
- }
+{
+ HINSTANCE *ptr;
+ union {
+ void *p;
+ FARPROC f;
+ } sym;
+
+ if ((dso == NULL) || (symname == NULL)) {
+ DSOerr(DSO_F_WIN32_BIND_VAR, ERR_R_PASSED_NULL_PARAMETER);
+ return (NULL);
+ }
+ if (sk_void_num(dso->meth_data) < 1) {
+ DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_STACK_ERROR);
+ return (NULL);
+ }
+ 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);
+ }
+ sym.f = GetProcAddress(*ptr, symname);
+ if (sym.p == NULL) {
+ DSOerr(DSO_F_WIN32_BIND_VAR, DSO_R_SYM_FAILURE);
+ ERR_add_error_data(3, "symname(", symname, ")");
+ return (NULL);
+ }
+ return (sym.p);
+}
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);
- }
-
-struct file_st
- {
- const char *node; int nodelen;
- const char *device; int devicelen;
- const char *predir; int predirlen;
- const char *dir; int dirlen;
- const char *file; int filelen;
- };
+{
+ HINSTANCE *ptr;
+ union {
+ void *p;
+ FARPROC f;
+ } sym;
+
+ if ((dso == NULL) || (symname == NULL)) {
+ DSOerr(DSO_F_WIN32_BIND_FUNC, ERR_R_PASSED_NULL_PARAMETER);
+ return (NULL);
+ }
+ if (sk_void_num(dso->meth_data) < 1) {
+ DSOerr(DSO_F_WIN32_BIND_FUNC, DSO_R_STACK_ERROR);
+ return (NULL);
+ }
+ 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);
+ }
+ sym.f = GetProcAddress(*ptr, symname);
+ if (sym.p == 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.f);
+}
+
+struct file_st {
+ const char *node;
+ int nodelen;
+ const char *device;
+ int devicelen;
+ const char *predir;
+ int predirlen;
+ const char *dir;
+ int dirlen;
+ const char *file;
+ int filelen;
+};
static struct file_st *win32_splitter(DSO *dso, const char *filename,
- int assume_last_is_dir)
- {
- struct file_st *result = NULL;
- enum { IN_NODE, IN_DEVICE, IN_FILE } position;
- const char *start = filename;
-
- if (!filename)
- {
- DSOerr(DSO_F_WIN32_SPLITTER,DSO_R_NO_FILENAME);
- /*goto err;*/
- return(NULL);
- }
-
- result = OPENSSL_malloc(sizeof(struct file_st));
- if(result == NULL)
- {
- DSOerr(DSO_F_WIN32_SPLITTER,
- ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
-
- memset(result, 0, sizeof(struct file_st));
- position = IN_DEVICE;
-
- if(filename[0] == '\\' && filename[1] == '\\'
- || filename[0] == '/' && filename[1] == '/')
- {
- position = IN_NODE;
- filename += 2;
- start = filename;
- result->node = start;
- }
-
- do
- {
- switch(filename[0])
- {
- case ':':
- if(position != IN_DEVICE)
- {
- DSOerr(DSO_F_WIN32_SPLITTER,
- DSO_R_INCORRECT_FILE_SYNTAX);
- /*goto err;*/
- return(NULL);
- }
- result->device = start;
- result->devicelen = filename - start;
- position = IN_FILE;
- start = ++filename;
- result->dir = start;
- break;
- case '\\':
- case '/':
- if(position == IN_NODE)
- {
- result->nodelen = filename - start;
- position = IN_FILE;
- start = ++filename;
- result->dir = start;
- }
- else
- {
- filename++;
- result->dirlen += filename - start;
- }
- break;
- case '\0':
- if(position == IN_NODE)
- {
- result->nodelen = filename - start;
- }
- else
- {
- if(filename - start > 0)
- {
- if (assume_last_is_dir)
- {
- result->devicelen += filename - start;
- }
- else
- {
- result->file = start;
- result->filelen = filename - start;
- }
- }
- }
- break;
- default:
- filename++;
- break;
- }
- }
- while(*filename);
-
- if(!result->nodelen) result->node = NULL;
- if(!result->devicelen) result->device = NULL;
- if(!result->dirlen) result->dir = NULL;
- if(!result->filelen) result->file = NULL;
-
- return(result);
- }
+ int assume_last_is_dir)
+{
+ struct file_st *result = NULL;
+ enum { IN_NODE, IN_DEVICE, IN_FILE } position;
+ const char *start = filename;
+ char last;
+
+ if (!filename) {
+ DSOerr(DSO_F_WIN32_SPLITTER, DSO_R_NO_FILENAME);
+ /*
+ * goto err;
+ */
+ return (NULL);
+ }
+
+ result = OPENSSL_zalloc(sizeof(*result));
+ if (result == NULL) {
+ DSOerr(DSO_F_WIN32_SPLITTER, ERR_R_MALLOC_FAILURE);
+ return (NULL);
+ }
+
+ position = IN_DEVICE;
+
+ if ((filename[0] == '\\' && filename[1] == '\\')
+ || (filename[0] == '/' && filename[1] == '/')) {
+ position = IN_NODE;
+ filename += 2;
+ start = filename;
+ result->node = start;
+ }
+
+ do {
+ last = filename[0];
+ switch (last) {
+ case ':':
+ if (position != IN_DEVICE) {
+ DSOerr(DSO_F_WIN32_SPLITTER, DSO_R_INCORRECT_FILE_SYNTAX);
+ /*
+ * goto err;
+ */
+ OPENSSL_free(result);
+ return (NULL);
+ }
+ result->device = start;
+ result->devicelen = (int)(filename - start);
+ position = IN_FILE;
+ start = ++filename;
+ result->dir = start;
+ break;
+ case '\\':
+ case '/':
+ if (position == IN_NODE) {
+ result->nodelen = (int)(filename - start);
+ position = IN_FILE;
+ start = ++filename;
+ result->dir = start;
+ } else if (position == IN_DEVICE) {
+ position = IN_FILE;
+ filename++;
+ result->dir = start;
+ result->dirlen = (int)(filename - start);
+ start = filename;
+ } else {
+ filename++;
+ result->dirlen += (int)(filename - start);
+ start = filename;
+ }
+ break;
+ case '\0':
+ if (position == IN_NODE) {
+ result->nodelen = (int)(filename - start);
+ } else {
+ if (filename - start > 0) {
+ if (assume_last_is_dir) {
+ if (position == IN_DEVICE) {
+ result->dir = start;
+ result->dirlen = 0;
+ }
+ result->dirlen += (int)(filename - start);
+ } else {
+ result->file = start;
+ result->filelen = (int)(filename - start);
+ }
+ }
+ }
+ break;
+ default:
+ filename++;
+ break;
+ }
+ }
+ while (last);
+
+ if (!result->nodelen)
+ result->node = NULL;
+ if (!result->devicelen)
+ result->device = NULL;
+ if (!result->dirlen)
+ result->dir = NULL;
+ if (!result->filelen)
+ result->file = NULL;
+
+ return (result);
+}
static char *win32_joiner(DSO *dso, const struct file_st *file_split)
- {
- int len = 0, offset = 0;
- char *result = NULL;
- const char *start;
-
- if(!file_split)
- {
- DSOerr(DSO_F_WIN32_JOINER,
- ERR_R_PASSED_NULL_PARAMETER);
- return(NULL);
- }
- if(file_split->node)
- {
- len += 2 + file_split->nodelen; /* 2 for starting \\ */
- if(file_split->predir || file_split->dir || file_split->file)
- len++; /* 1 for ending \ */
- }
- else if(file_split->device)
- {
- len += file_split->devicelen + 1; /* 1 for ending : */
- }
- len += file_split->predirlen;
- if(file_split->predir && (file_split->dir || file_split->file))
- {
- len++; /* 1 for ending \ */
- }
- len += file_split->dirlen;
- if(file_split->dir && file_split->file)
- {
- len++; /* 1 for ending \ */
- }
- len += file_split->filelen;
-
- if(!len)
- {
- DSOerr(DSO_F_WIN32_JOINER, DSO_R_EMPTY_FILE_STRUCTURE);
- return(NULL);
- }
-
- result = OPENSSL_malloc(len + 1);
- if (!result)
- {
- DSOerr(DSO_F_WIN32_JOINER,
- ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
-
- if(file_split->node)
- {
- strcpy(&result[offset], "\\\\"); offset += 2;
- strncpy(&result[offset], file_split->node,
- file_split->nodelen); offset += file_split->nodelen;
- if(file_split->predir || file_split->dir || file_split->file)
- {
- result[offset] = '\\'; offset++;
- }
- }
- else if(file_split->device)
- {
- strncpy(&result[offset], file_split->device,
- file_split->devicelen); offset += file_split->devicelen;
- result[offset] = ':'; offset++;
- }
- start = file_split->predir;
- while(file_split->predirlen > (start - file_split->predir))
- {
- const char *end = openssl_strnchr(start, '/',
- file_split->predirlen - (start - file_split->predir));
- if(!end)
- end = start
- + file_split->predirlen
- - (start - file_split->predir);
- strncpy(&result[offset], start,
- end - start); offset += end - start;
- result[offset] = '\\'; offset++;
- start = end + 1;
- }
- if(file_split->predir && (file_split->dir || file_split->file))
- {
- result[offset] = '\\'; offset++;
- }
- start = file_split->dir;
- while(file_split->dirlen > (start - file_split->dir))
- {
- const char *end = openssl_strnchr(start, '/',
- file_split->dirlen - (start - file_split->dir));
- if(!end)
- end = start
- + file_split->dirlen
- - (start - file_split->dir);
- strncpy(&result[offset], start,
- end - start); offset += end - start;
- result[offset] = '\\'; offset++;
- start = end + 1;
- }
- if(file_split->dir && file_split->file)
- {
- result[offset] = '\\'; offset++;
- }
- strncpy(&result[offset], file_split->file,
- file_split->filelen); offset += file_split->filelen;
- result[offset] = '\0';
- return(result);
- }
-
-static char *win32_merger(DSO *dso, const char *filespec1, const char *filespec2)
- {
- char *merged = NULL;
- struct file_st *filespec1_split = NULL;
- struct file_st *filespec2_split = NULL;
-
- if(!filespec1 && !filespec2)
- {
- DSOerr(DSO_F_WIN32_MERGER,
- ERR_R_PASSED_NULL_PARAMETER);
- return(NULL);
- }
- if (!filespec2)
- {
- merged = OPENSSL_malloc(strlen(filespec1) + 1);
- if(!merged)
- {
- DSOerr(DSO_F_WIN32_MERGER,
- ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- strcpy(merged, filespec1);
- }
- else if (!filespec1)
- {
- merged = OPENSSL_malloc(strlen(filespec2) + 1);
- if(!merged)
- {
- DSOerr(DSO_F_WIN32_MERGER,
- ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- strcpy(merged, filespec2);
- }
- else
- {
- filespec1_split = win32_splitter(dso, filespec1, 1);
- if (!filespec1_split)
- {
- DSOerr(DSO_F_WIN32_MERGER,
- ERR_R_MALLOC_FAILURE);
- return(NULL);
- }
- filespec2_split = win32_splitter(dso, filespec2, 0);
- if (!filespec1_split)
- {
- DSOerr(DSO_F_WIN32_MERGER,
- ERR_R_MALLOC_FAILURE);
- OPENSSL_free(filespec1_split);
- return(NULL);
- }
-
- /* Fill in into filespec1_split */
- if (!filespec1_split->node && !filespec1_split->device)
- {
- filespec1_split->node = filespec2_split->node;
- filespec1_split->nodelen = filespec2_split->nodelen;
- filespec1_split->device = filespec2_split->device;
- filespec1_split->devicelen = filespec2_split->devicelen;
- }
- if (!filespec1_split->dir)
- {
- filespec1_split->dir = filespec2_split->dir;
- filespec1_split->dirlen = filespec2_split->dirlen;
- }
- else if (filespec1_split->dir[0] != '\\'
- && filespec1_split->dir[0] != '/')
- {
- filespec1_split->predir = filespec2_split->dir;
- filespec1_split->predirlen = filespec2_split->dirlen;
- }
- if (!filespec1_split->file)
- {
- filespec1_split->file = filespec2_split->file;
- filespec1_split->filelen = filespec2_split->filelen;
- }
-
- merged = win32_joiner(dso, filespec1_split);
- }
- return(merged);
- }
+{
+ int len = 0, offset = 0;
+ char *result = NULL;
+ const char *start;
+
+ if (!file_split) {
+ DSOerr(DSO_F_WIN32_JOINER, ERR_R_PASSED_NULL_PARAMETER);
+ return (NULL);
+ }
+ if (file_split->node) {
+ len += 2 + file_split->nodelen; /* 2 for starting \\ */
+ if (file_split->predir || file_split->dir || file_split->file)
+ len++; /* 1 for ending \ */
+ } else if (file_split->device) {
+ len += file_split->devicelen + 1; /* 1 for ending : */
+ }
+ len += file_split->predirlen;
+ if (file_split->predir && (file_split->dir || file_split->file)) {
+ len++; /* 1 for ending \ */
+ }
+ len += file_split->dirlen;
+ if (file_split->dir && file_split->file) {
+ len++; /* 1 for ending \ */
+ }
+ len += file_split->filelen;
+
+ if (!len) {
+ DSOerr(DSO_F_WIN32_JOINER, DSO_R_EMPTY_FILE_STRUCTURE);
+ return (NULL);
+ }
+
+ result = OPENSSL_malloc(len + 1);
+ if (result == NULL) {
+ DSOerr(DSO_F_WIN32_JOINER, ERR_R_MALLOC_FAILURE);
+ return (NULL);
+ }
+
+ if (file_split->node) {
+ strcpy(&result[offset], "\\\\");
+ offset += 2;
+ strncpy(&result[offset], file_split->node, file_split->nodelen);
+ offset += file_split->nodelen;
+ if (file_split->predir || file_split->dir || file_split->file) {
+ result[offset] = '\\';
+ offset++;
+ }
+ } else if (file_split->device) {
+ strncpy(&result[offset], file_split->device, file_split->devicelen);
+ offset += file_split->devicelen;
+ result[offset] = ':';
+ offset++;
+ }
+ start = file_split->predir;
+ while (file_split->predirlen > (start - file_split->predir)) {
+ const char *end = openssl_strnchr(start, '/',
+ file_split->predirlen - (start -
+ file_split->predir));
+ if (!end)
+ end = start
+ + file_split->predirlen - (start - file_split->predir);
+ strncpy(&result[offset], start, end - start);
+ offset += (int)(end - start);
+ result[offset] = '\\';
+ offset++;
+ start = end + 1;
+ }
+ start = file_split->dir;
+ while (file_split->dirlen > (start - file_split->dir)) {
+ const char *end = openssl_strnchr(start, '/',
+ file_split->dirlen - (start -
+ file_split->dir));
+ if (!end)
+ end = start + file_split->dirlen - (start - file_split->dir);
+ strncpy(&result[offset], start, end - start);
+ offset += (int)(end - start);
+ result[offset] = '\\';
+ offset++;
+ start = end + 1;
+ }
+ strncpy(&result[offset], file_split->file, file_split->filelen);
+ offset += file_split->filelen;
+ result[offset] = '\0';
+ return (result);
+}
+
+static char *win32_merger(DSO *dso, const char *filespec1,
+ const char *filespec2)
+{
+ char *merged = NULL;
+ struct file_st *filespec1_split = NULL;
+ struct file_st *filespec2_split = NULL;
+
+ if (!filespec1 && !filespec2) {
+ DSOerr(DSO_F_WIN32_MERGER, ERR_R_PASSED_NULL_PARAMETER);
+ return (NULL);
+ }
+ if (!filespec2) {
+ merged = OPENSSL_malloc(strlen(filespec1) + 1);
+ if (merged == NULL) {
+ DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE);
+ return (NULL);
+ }
+ strcpy(merged, filespec1);
+ } else if (!filespec1) {
+ merged = OPENSSL_malloc(strlen(filespec2) + 1);
+ if (merged == NULL) {
+ DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE);
+ return (NULL);
+ }
+ strcpy(merged, filespec2);
+ } else {
+ filespec1_split = win32_splitter(dso, filespec1, 0);
+ if (!filespec1_split) {
+ DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE);
+ return (NULL);
+ }
+ filespec2_split = win32_splitter(dso, filespec2, 1);
+ if (!filespec2_split) {
+ DSOerr(DSO_F_WIN32_MERGER, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(filespec1_split);
+ return (NULL);
+ }
+
+ /* Fill in into filespec1_split */
+ if (!filespec1_split->node && !filespec1_split->device) {
+ filespec1_split->node = filespec2_split->node;
+ filespec1_split->nodelen = filespec2_split->nodelen;
+ filespec1_split->device = filespec2_split->device;
+ filespec1_split->devicelen = filespec2_split->devicelen;
+ }
+ if (!filespec1_split->dir) {
+ filespec1_split->dir = filespec2_split->dir;
+ filespec1_split->dirlen = filespec2_split->dirlen;
+ } else if (filespec1_split->dir[0] != '\\'
+ && filespec1_split->dir[0] != '/') {
+ filespec1_split->predir = filespec2_split->dir;
+ filespec1_split->predirlen = filespec2_split->dirlen;
+ }
+ if (!filespec1_split->file) {
+ filespec1_split->file = filespec2_split->file;
+ filespec1_split->filelen = filespec2_split->filelen;
+ }
+
+ merged = win32_joiner(dso, filespec1_split);
+ }
+ OPENSSL_free(filespec1_split);
+ OPENSSL_free(filespec2_split);
+ return (merged);
+}
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);
- }
+{
+ 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);
+}
static const char *openssl_strnchr(const char *string, int c, size_t len)
- {
- size_t i;
- const char *p;
- for (i = 0, p = string; i < len && *p; i++, p++)
- {
- if (*p == c)
- return p;
- }
- return NULL;
- }
-
-#include <tlhelp32.h>
-#ifdef _WIN32_WCE
-# if _WIN32_WCE < 300
-static FARPROC GetProcAddressA(HMODULE hModule,LPCSTR lpProcName)
- {
- WCHAR lpProcNameW[64];
- int i;
-
- for (i=0;lpProcName[i] && i<64;i++)
- lpProcNameW[i] = (WCHAR)lpProcName[i];
- if (i==64) return NULL;
- lpProcNameW[i] = 0;
-
- return GetProcAddressW(hModule,lpProcNameW);
- }
+{
+ size_t i;
+ const char *p;
+ for (i = 0, p = string; i < len && *p; i++, p++) {
+ if (*p == c)
+ return p;
+ }
+ return NULL;
+}
+
+# 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
-# undef GetProcAddress
-# define GetProcAddress GetProcAddressA
-# define DLLNAME "TOOLHELP.DLL"
-#else
-# ifdef MODULEENTRY32
-# undef MODULEENTRY32 /* unmask the ASCII version! */
+
+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
-# 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;
- int len;
-
- if (addr == NULL) addr = win32_pathbyaddr;
-
- dll = LoadLibrary(TEXT(DLLNAME));
- if (dll == NULL)
- {
- DSOerr(DSO_F_PATHBYADDR,DSO_R_UNSUPPORTED);
- return -1;
- }
-
- create_snap = (CREATETOOLHELP32SNAPSHOT)
- GetProcAddress(dll,"CreateToolhelp32Snapshot");
- if (create_snap == NULL)
- {
- DSOerr(DSO_F_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_PATHBYADDR,DSO_R_UNSUPPORTED);
- return -1;
- }
-
- me32.dwSize = sizeof(me32);
-
- if(!(*module_first)(hModuleSnap,&me32))
- {
- (*close_snap)(hModuleSnap);
- FreeLibrary(dll);
- DSOerr(DSO_F_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);
+ 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
- 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;
+ {
+ 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
-#else
- 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;
- }
-#endif /* DSO_WIN32 */
+ }
+ } 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;
+ union {
+ void *p;
+ FARPROC f;
+ } 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.f = GetProcAddress(me32.hModule, name))) {
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+ return ret.p;
+ }
+ } while ((*module_next) (hModuleSnap, &me32));
+
+ (*close_snap) (hModuleSnap);
+ FreeLibrary(dll);
+ return NULL;
+}
+#endif /* DSO_WIN32 */
projects / openssl.git / blobdiff