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twoaday |
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/* wptMDSumDlg.cpp - Dialog to show hash values for files |
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twoaday |
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* Copyright (C) 2003, 2005, 2006 Timo Schulz |
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werner |
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* |
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* This file is part of WinPT. |
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* |
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* WinPT is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* WinPT is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with WinPT; if not, write to the Free Software Foundation, |
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include <config.h> |
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#endif |
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#include <windows.h> |
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#include <stdio.h> |
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twoaday |
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werner |
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#include "resource.h" |
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werner |
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#include "wptTypes.h" |
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#include "wptW32API.h" |
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#include "wptGPG.h" |
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#include "wptCommonCtl.h" |
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#include "wptContext.h" |
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#include "wptNLS.h" |
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#include "wptErrors.h" |
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twoaday |
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twoaday |
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/* maximum hash size in octets (sha256=32) */ |
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#define MAX_HASHSIZE 32 |
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twoaday |
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/* Symbolic column IDs. */ |
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enum md_col_t {COL_MD=0, COL_NAME}; |
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twoaday |
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/* A model which represents the contents of the list view. */ |
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struct hashlist_model_s { |
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struct hashlist_model_s *next; |
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char *name; |
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BYTE *md; |
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DWORD mdlen; |
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}; |
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typedef struct hashlist_model_s *hashlist_model_t; |
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/* Release the file list @hm. */ |
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static void |
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hashmodel_release (hashlist_model_t hm) |
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{ |
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hashlist_model_t t; |
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while (hm) { |
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t = hm->next; |
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free_if_alloc (hm->name); |
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free_if_alloc (hm->md); |
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free_if_alloc (hm); |
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hm = t; |
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} |
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} |
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/* Add a new file with the name @name to the list @hm. */ |
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static hashlist_model_t |
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hashmodel_add_file (hashlist_model_t *hm, const char *name, |
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const BYTE *mdbuf, size_t mdlen) |
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{ |
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hashlist_model_t t, n; |
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t = new hashlist_model_s; |
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if (!t) |
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BUG (NULL); |
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memset (t, 0, sizeof *t); |
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t->name = m_strdup (name); |
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t->mdlen = mdlen; |
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t->md = new BYTE[mdlen]; |
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if (!t->md) |
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BUG (NULL); |
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memcpy (t->md, mdbuf, mdlen); |
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if (!*hm) |
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*hm = t; |
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else { |
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for (n = *hm; n->next; n=n->next) |
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; |
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n->next = t; |
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} |
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return t; |
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} |
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werner |
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/* Return a printable digest of the buffer @mdbuf. */ |
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static const char* |
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twoaday |
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printable_digest (BYTE *mdbuf, size_t n) |
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werner |
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{ |
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twoaday |
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static char mdasc[4*MAX_HASHSIZE]; |
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werner |
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size_t i; |
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twoaday |
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|
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werner |
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for (i = 0; i < n; i++) |
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sprintf (mdasc+2*i, "%02X", mdbuf[i]); |
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return mdasc; |
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} |
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twoaday |
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static const char* |
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twoaday |
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id2algo (gpgme_hash_algo_t mdalgo) |
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twoaday |
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{ |
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twoaday |
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switch (mdalgo) { |
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twoaday |
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case GPGME_MD_MD5: return "MD5"; |
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case GPGME_MD_SHA1: return "SHA1"; |
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case GPGME_MD_RMD160: return "RMD160"; |
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case GPGME_MD_SHA256: return "SHA256"; |
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twoaday |
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case GPGME_MD_SHA384: return "SHA384"; |
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case GPGME_MD_SHA512: return "SHA512"; |
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twoaday |
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default: break; |
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twoaday |
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} |
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return ""; |
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} |
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twoaday |
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/* Hash the selected file from the FM listview control in @md. |
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Add the results to the listview @lv. */ |
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static void |
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twoaday |
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hash_selected_files (md_file_s *md, listview_ctrl_t lv, hashlist_model_t *r_fl) |
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twoaday |
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{ |
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twoaday |
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hashlist_model_t item; |
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BYTE mdbuf[MAX_HASHSIZE]; |
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twoaday |
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char fname[256+1]; |
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twoaday |
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size_t n; |
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twoaday |
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int i; |
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twoaday |
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for (i = 0; i < listview_count_items (md->lv, 0); i++) { |
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twoaday |
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if (!listview_get_item_state (md->lv, i)) |
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continue; |
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listview_get_item_text (md->lv, i, 1, fname, sizeof (fname)-1); |
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if (!gpg_md_hash_file (md->mdalgo, fname, mdbuf, &n)) { |
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item = hashmodel_add_file (r_fl, fname, mdbuf, n); |
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listview_add_item2 (lv, "", (void*)item); |
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listview_add_sub_item (lv, 0, COL_MD, printable_digest (mdbuf, n)); |
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listview_add_sub_item (lv, 0, COL_NAME, fname); |
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twoaday |
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} |
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} |
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} |
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twoaday |
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/* Return 1 if there is a tool available to check the file. |
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(sha1sum, md5sum). */ |
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twoaday |
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static int |
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tool_avail (gpgme_hash_algo_t mdalgo) |
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{ |
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if (mdalgo == GPGME_MD_SHA1 || mdalgo == GPGME_MD_MD5) |
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return 1; |
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return 0; |
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} |
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twoaday |
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/* Sorting callback. */ |
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static int CALLBACK |
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sort_cb (LPARAM first, LPARAM second, LPARAM param) |
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{ |
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hashlist_model_t a, b; |
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int sortby = (int)param; |
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int cmpres = 0; |
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twoaday |
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twoaday |
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a = (hashlist_model_t)first; |
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b = (hashlist_model_t)second; |
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if (sortby == COL_NAME) |
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cmpres = stricmp (a->name, b->name); |
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else |
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cmpres = memcmp (a->md, b->md, a->mdlen); |
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return cmpres; |
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} |
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twoaday |
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twoaday |
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werner |
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/* Dialog box procedure to show and calculate file digests. */ |
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BOOL CALLBACK |
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mdsum_dlg_proc (HWND dlg, UINT msg, WPARAM wparam, LPARAM lparam) |
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{ |
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static listview_ctrl_t lv; |
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twoaday |
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static struct md_file_s *md; |
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twoaday |
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static hashlist_model_t hm = NULL; |
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werner |
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struct listview_column_s cols[] = { |
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{0, 264, (char *)_("Digest")}, |
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twoaday |
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{1, 160, (char *)_("Name")}, |
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werner |
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{0, 0, 0} |
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}; |
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twoaday |
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gpgme_data_t sumlist = NULL; |
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twoaday |
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const char *name, *algname; |
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twoaday |
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char fname[MAX_PATH+64], mdasc[MAX_HASHSIZE*4]; |
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werner |
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int i; |
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twoaday |
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switch (msg) { |
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werner |
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case WM_INITDIALOG: |
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md = (md_file_s *)lparam; |
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twoaday |
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if (!md) |
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BUG (NULL); |
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twoaday |
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listview_new (&lv, GetDlgItem (dlg, IDC_MDSUM_LIST)); |
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twoaday |
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for (i = 0; i < cols[i].width; i++) |
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twoaday |
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listview_add_column (lv, &cols[i]); |
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twoaday |
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hash_selected_files (md, lv, &hm); |
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twoaday |
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SetDlgItemText (dlg, IDC_MDSUM_COPY, _("&Save...")); |
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twoaday |
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SetDlgItemText (dlg, IDOK, _("&Close")); |
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twoaday |
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SetDlgItemText (dlg, IDC_MDSUM_TOCLIP, _("Save to clipboard")); |
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twoaday |
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SetWindowText (dlg, _("Print Message Digest")); |
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SetForegroundWindow (dlg); |
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werner |
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break; |
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case WM_DESTROY: |
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twoaday |
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if (lv) { |
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listview_release (lv); |
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werner |
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lv = NULL; |
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} |
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twoaday |
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if (hm) { |
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hashmodel_release (hm); |
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hm = NULL; |
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} |
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werner |
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break; |
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twoaday |
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case WM_NOTIFY: |
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if (((NMHDR *)lparam)->code == LVN_COLUMNCLICK) { |
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NMLISTVIEW *nft = (LPNMLISTVIEW) lparam; |
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ListView_SortItems (lv->ctrl, sort_cb, nft->iSubItem); |
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} |
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break; |
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werner |
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case WM_COMMAND: |
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switch (LOWORD (wparam)) { |
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case IDOK: |
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EndDialog (dlg, TRUE); |
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break; |
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twoaday |
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case IDCANCEL: |
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EndDialog (dlg, FALSE); |
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break; |
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werner |
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case IDC_MDSUM_COPY: |
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twoaday |
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algname = id2algo ((gpgme_hash_algo_t)md->mdalgo); |
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werner |
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if (gpgme_data_new (&sumlist)) |
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BUG(0); |
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twoaday |
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if (!tool_avail ((gpgme_hash_algo_t)md->mdalgo)) { |
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const char *s; |
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s = "#warning '"; |
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werner |
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gpgme_data_write (sumlist, s, strlen (s)); |
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twoaday |
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gpgme_data_write (sumlist, algname, strlen (algname)); |
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s = " ' sum is not yet available\r\n"; |
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gpgme_data_write (sumlist, s, strlen (s)); |
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werner |
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} |
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for (i = 0; i < listview_count_items (lv, 0); i++) { |
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twoaday |
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listview_get_item_text (lv, i, COL_MD, mdasc, DIM (mdasc)-1); |
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listview_get_item_text (lv, i, COL_NAME, fname, DIM (fname)-1); |
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werner |
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gpgme_data_write (sumlist, mdasc, strlen (mdasc)); |
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gpgme_data_write (sumlist, " ", 1); |
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gpgme_data_write (sumlist, fname, strlen (fname)); |
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gpgme_data_write (sumlist, "\r\n", 2); |
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} |
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twoaday |
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if (IsDlgButtonChecked (dlg, IDC_MDSUM_TOCLIP)) { |
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gpg_data_release_and_set_clipboard (sumlist, 0); |
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break; |
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} |
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twoaday |
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_snprintf (fname, sizeof (fname)-1, "%s_sums.txt", algname); |
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twoaday |
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name = get_filesave_dlg (dlg, _("Select File to Save Checksums"), |
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twoaday |
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NULL, fname); |
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werner |
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if (name && *name) { |
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twoaday |
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gpgme_error_t err; |
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err = gpg_data_release_and_set_file (sumlist, name); |
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if (!err) { |
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log_box (_("File Manager"), MB_OK, |
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_("Checksums successfully saved in '%s'"), name); |
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sumlist = NULL; |
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} |
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else |
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msg_box (dlg, gpgme_strerror (err), _("File Manager"), MB_ERR); |
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werner |
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} |
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twoaday |
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if (sumlist) |
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werner |
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gpgme_data_release (sumlist); |
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break; |
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} |
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break; |
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} |
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return FALSE; |
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} |
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