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/* wptVerifyList.cpp - Listview for verifying signatures |
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* Copyright (C) 2001, 2002, 2003, 2005, 2006, 2007 Timo Schulz |
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* Copyright (C) 2005 g10 Code GmbH |
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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 |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (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 GNU |
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* General Public License for more details. |
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*/ |
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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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|
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#include <windows.h> |
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#include <time.h> |
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|
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#include "resource.h" |
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#include "wptTypes.h" |
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#include "wptGPG.h" |
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#include "wptCommonCtl.h" |
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#include "wptKeylist.h" |
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#include "wptNLS.h" |
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#include "wptContext.h" |
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#include "wptErrors.h" |
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#include "wptW32API.h" |
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#include "wptVersion.h" |
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|
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/* Symbolic column IDs */ |
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enum { |
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VER_COL_NAME = 0, |
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VER_COL_STAT = 1, |
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VER_COL_SIGNED = 2, |
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VER_COL_TRUST = 3, |
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VER_COL_KEYID = 4, |
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VER_COL_UID = 5 |
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}; |
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|
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|
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/* Extract the file name part out of the given path in @path. |
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Return value: file part or NULL on error. */ |
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static char* |
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extract_filename (const char *path) |
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{ |
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char *p; |
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size_t pos; |
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|
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p = strrchr (path, '\\'); |
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if (p == NULL) |
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return m_strdup (path); |
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pos = p-path; |
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return substr (path, pos+1, strlen (path)-1); |
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} |
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|
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|
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/* Return human printable PKA status. |
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If no pka information is available, return NULL. */ |
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char* |
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get_pka_status (gpgme_signature_t sig) |
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{ |
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const char *fmt; |
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char *pka_inf; |
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|
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if (sig->pka_trust == 0 || !sig->pka_address) |
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return NULL; |
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fmt = _("PKA: Verified signer's address is '%s'"); |
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pka_inf = new char[strlen (fmt)+strlen (sig->pka_address)+2]; |
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if (!pka_inf) |
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BUG (NULL); |
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sprintf (pka_inf, fmt, sig->pka_address); |
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return pka_inf; |
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} |
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|
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|
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/* Set additional signature information according to the |
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signature @sig. If no info control is used, just return. */ |
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void |
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verlist_set_additional_info (verlist_ctrl_t vlv, gpgme_signature_t sig) |
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{ |
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int used = 1; |
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|
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if (!vlv->infctl) |
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return; |
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|
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/* if the signature is bad, we just hide the window and return. */ |
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if (sig->summary & GPGME_SIGSUM_RED) { |
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ShowWindow (vlv->infctl, SW_HIDE); |
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return; |
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} |
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/* XXX: if the summary does not contain GPGME_SIGSUM_GREEN, issue a warning. */ |
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if (sig->validity != GPGME_VALIDITY_MARGINAL && |
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sig->validity != GPGME_VALIDITY_FULL && |
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sig->validity != GPGME_VALIDITY_ULTIMATE && |
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!(sig->summary & GPGME_SIGSUM_KEY_MISSING)) { |
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SendMessage (vlv->infctl, WM_SETTEXT, 0, (LPARAM)(char*) |
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_("WARNING: This key is not certified with a trusted signature!\r\n" |
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" There is no indication that the signature belongs to the owner.\r\n")); |
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} |
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else if (sig->exp_timestamp > (DWORD)time (NULL)) |
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SendMessage (vlv->infctl, WM_SETTEXT, 0, (LPARAM)(char*) |
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_("The signature is expired!")); |
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else { |
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char *pka_info = get_pka_status (sig); |
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if (pka_info != NULL) { |
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SendMessage (vlv->infctl, WM_SETTEXT, 0, (LPARAM)(char*)pka_info); |
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free_if_alloc (pka_info); |
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} |
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else { |
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SendMessage (vlv->infctl, WM_SETTEXT, 0, (LPARAM)(char*)""); |
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used = 0; |
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} |
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} |
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ShowWindow (vlv->infctl, used? SW_SHOW : SW_HIDE); |
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} |
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|
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|
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/* Build a verify signature list control. With the parent window |
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from @ctrl and the mod given in @fm_mode. @lv contains the |
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new control on success. |
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Return value: 0 on success. */ |
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void |
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verlist_build (verlist_ctrl_t *vlv, HWND ctrl, int fm_mode) |
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{ |
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struct listview_column_s verlist[] = { |
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{0, 120, (char *)_("Name")}, |
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{1, 140, (char *)_("Status")}, |
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{2, 120, (char *)_("Signed")}, |
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{3, 58, (char *)_("Trust") }, |
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{4, 80, (char *)_("Key ID" )}, |
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{5, 160, (char *)_("User ID")}, |
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{6, 0, NULL} |
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}; |
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HICON ico[2]; |
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struct verlist_ctrl_s *v; |
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int j; |
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|
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v = new verlist_ctrl_s; |
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if (!v) |
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BUG (0); |
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memset (v, 0, sizeof *v); |
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listview_new (&v->lv, ctrl); |
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for (j=0; verlist[j].fieldname; j++) |
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listview_add_column (v->lv, &verlist[j]); |
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if (!fm_mode) |
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listview_set_column_width (v->lv, 0, 80); |
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listview_set_ext_style (v->lv); |
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ico[0] = LoadIcon (glob_hinst, (LPCTSTR)IDI_SIG_GOOD); |
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ico[1] = LoadIcon (glob_hinst, (LPCTSTR)IDI_SIG_BAD); |
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listview_set_image_list (v->lv, 16, 16, ico, 2); |
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*vlv = v; |
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} |
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|
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|
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void |
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verlist_set_info_control (verlist_ctrl_t vlv, HWND infctl) |
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{ |
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vlv->infctl = infctl; |
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} |
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|
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|
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/* Delete the given verify control in @lv. */ |
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void |
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verlist_delete (verlist_ctrl_t vlv) |
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{ |
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if (vlv) { |
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listview_release (vlv->lv); |
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free_if_alloc (vlv); |
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} |
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} |
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|
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|
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/* Handy function to extract the real key ID from a signature. */ |
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const char * |
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sig_get_real_keyid (gpgme_signature_t sig, winpt_key_t key) |
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{ |
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const char *keyid; |
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|
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/* We still need an extra check for RSA:MD5 keys because we |
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cannot derrive the keyid directly from the fingerprint. */ |
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if (strlen (sig->fpr) == 32) { |
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if (key->ext != NULL) |
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keyid = key->ext->key->subkeys->keyid+8; |
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else /* show the fingerprint if the key is not in the keyring. */ |
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keyid = sig->fpr; |
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} |
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else |
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keyid = get_keyid_from_fpr (sig->fpr); |
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return keyid; |
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} |
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|
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|
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/* Add the given signature in @sig to the verify control @lv. |
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Return value: 0 on success. */ |
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int |
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verlist_add_sig (verlist_ctrl_t vlv, gpgme_signature_t sig) |
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{ |
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listview_ctrl_t lv; |
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struct winpt_key_s key; |
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const char *attr; |
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char keyid[32+1], timebuf[128]; |
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u32 key_attr; |
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int is_bad; |
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|
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is_bad = sig->summary & GPGME_SIGSUM_RED? 1 : 0; |
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lv = vlv->lv; |
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if (listview_add_item_image (lv, " ", is_bad)) |
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return WPTERR_GENERAL; |
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|
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listview_add_sub_item (lv, 0, VER_COL_NAME, _("Clipboard")); |
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|
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memset (&key, 0, sizeof (key)); |
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winpt_get_pubkey (sig->fpr, &key); |
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if (sig->summary == 0 && gpg_err_code (sig->status) == GPG_ERR_NO_ERROR) |
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attr = get_gpg_sigstat (GPGME_SIGSUM_GREEN); |
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else |
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attr = get_gpg_sigstat (sig->summary); |
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if (attr) |
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listview_add_sub_item (lv, 0, VER_COL_STAT, (char *)attr); |
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|
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attr = get_locale_timedate (sig->timestamp, timebuf, DIM (timebuf)-1); |
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if (!attr) |
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attr = _("Unknown"); |
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listview_add_sub_item (lv, 0, VER_COL_SIGNED, (char *)attr); |
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|
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attr = _("Unknown"); |
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if (key.ctx) { |
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key_attr = key.ext->uids->validity; |
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attr = get_key_trust2 (NULL, key_attr, 0, 0); |
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} |
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listview_add_sub_item (lv, 0, VER_COL_TRUST, (char *)attr); |
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|
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attr = sig_get_real_keyid (sig, &key); |
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_snprintf (keyid, DIM (keyid) -1, "0x%s", attr); |
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listview_add_sub_item (lv, 0, VER_COL_KEYID, keyid); |
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|
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attr = key.ctx? key.ext->uids->name : _("user ID not found"); |
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listview_add_sub_item (lv, 0, VER_COL_UID, attr); |
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|
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if (vlv->infctl) |
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verlist_set_additional_info (vlv, sig); |
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return 0; |
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} |
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|
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|
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/* Add the given file signature in @log to the verify control @lv. |
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Return value: 0 on success. */ |
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int |
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verlist_add_sig_log (verlist_ctrl_t vlv, file_sig_ctx_t log) |
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{ |
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gpgme_signature_t sig = log->sig; |
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struct listview_ctrl_s *lv; |
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struct winpt_key_s key; |
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const char *attr; |
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char t[64], timebuf[128], *name; |
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int is_bad; |
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|
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lv = vlv->lv; |
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is_bad = sig->summary & GPGME_SIGSUM_RED? 1 : 0; |
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if (listview_add_item_image (lv, "", is_bad)) { |
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log_debug ("verlist_add_sig_log: listview_add_item() failed.\n"); |
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return WPTERR_GENERAL; |
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} |
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|
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memset (&key, 0, sizeof (key)); |
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winpt_get_pubkey (sig->fpr, &key); |
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|
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name = extract_filename (log->file); |
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if (name != NULL) |
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listview_add_sub_item (lv, 0, VER_COL_NAME, name); |
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else |
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listview_add_sub_item (lv, 0, VER_COL_NAME, log->file); |
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free_if_alloc (name); |
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|
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if (sig->summary == 0 && gpg_err_code (sig->status) == GPG_ERR_NO_ERROR) |
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attr = get_gpg_sigstat (GPGME_SIGSUM_GREEN); |
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else |
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attr = get_gpg_sigstat (sig->summary); |
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listview_add_sub_item (lv, 0, VER_COL_STAT, attr); |
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|
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if (sig->timestamp > 0) { |
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attr = get_locale_timedate (sig->timestamp, timebuf, DIM (timebuf)-1); |
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if (!attr) |
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attr = _("Unknown"); |
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} |
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else |
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attr = _("Unknown"); |
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listview_add_sub_item (lv, 0, VER_COL_SIGNED, attr); |
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|
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if (key.ctx != NULL) |
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attr = get_key_trust2 (NULL, key.ctx->uids->validity, 0, 0); |
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else |
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attr = _("Unknown"); |
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listview_add_sub_item (lv, 0, VER_COL_TRUST, attr); |
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|
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attr = sig_get_real_keyid (sig, &key); |
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_snprintf (t, DIM (t)-1, "0x%s", attr); |
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listview_add_sub_item (lv, 0, VER_COL_KEYID, t); |
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listview_add_sub_item (lv, 0, VER_COL_UID, |
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log->user_id? |
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log->user_id : _("user ID not found")); |
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if (vlv->infctl) |
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verlist_set_additional_info (vlv, sig); |
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|
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return 0; |
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} |
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