diff options
Diffstat (limited to 'openssl/trunk/crypto/dso/dso_win32.c')
| -rw-r--r-- | openssl/trunk/crypto/dso/dso_win32.c | 660 |
1 files changed, 0 insertions, 660 deletions
diff --git a/openssl/trunk/crypto/dso/dso_win32.c b/openssl/trunk/crypto/dso/dso_win32.c deleted file mode 100644 index fd3dd6a7..00000000 --- a/openssl/trunk/crypto/dso/dso_win32.c +++ /dev/null @@ -1,660 +0,0 @@ -/* dso_win32.c -*- mode:C; c-file-style: "eay" -*- */ -/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL - * project 2000. - */ -/* ==================================================================== - * Copyright (c) 2000 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * 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 - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - -#include <stdio.h> -#include <string.h> -#include "cryptlib.h" -#include <openssl/dso.h> - -#if !defined(DSO_WIN32) -DSO_METHOD *DSO_METHOD_win32(void) - { - 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) 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 - -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 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 */ - }; - -DSO_METHOD *DSO_METHOD_win32(void) - { - 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. - */ - -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); - } - -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. */ -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); - } - -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; - }; - -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; - char last; - - 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 - { - last = filename[0]; - switch(last) - { - 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 if(position == IN_DEVICE) - { - position = IN_FILE; - filename++; - result->dir = start; - result->dirlen = filename - start; - start = filename; - } - else - { - filename++; - result->dirlen += filename - start; - start = filename; - } - break; - case '\0': - if(position == IN_NODE) - { - result->nodelen = filename - start; - } - else - { - if(filename - start > 0) - { - if (assume_last_is_dir) - { - if (position == IN_DEVICE) - { - result->dir = start; - result->dirlen = 0; - } - result->dirlen += - filename - start; - } - else - { - result->file = start; - result->filelen = - 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 0 /* Not needed, since the directory converter above already appeneded - a backslash */ - if(file_split->predir && (file_split->dir || file_split->file)) - { - result[offset] = '\\'; offset++; - } -#endif - 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 0 /* Not needed, since the directory converter above already appeneded - a backslash */ - if(file_split->dir && file_split->file) - { - result[offset] = '\\'; offset++; - } -#endif - 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, 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); - } - 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); - } - -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; - } - - -#endif /* OPENSSL_SYS_WIN32 */ |