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/* wptPassphraseCB.cpp - GPGME Passphrase Callback |
/* wptPassphraseCB.cpp - GPGME Passphrase Callback |
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* Copyright (C) 2001, 2002, 2003, 2005 Timo Schulz |
* Copyright (C) 2001, 2002-2006 Timo Schulz |
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* Copyright (C) 2005 g10 Code GmbH |
* Copyright (C) 2005 g10 Code GmbH |
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* |
* |
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* This file is part of WinPT. |
* This file is part of WinPT. |
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#include "wptCommonCtl.h" |
#include "wptCommonCtl.h" |
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#include "wptContext.h" |
#include "wptContext.h" |
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#include "wptDlgs.h" |
#include "wptDlgs.h" |
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#include "wptUTF8.h" |
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#include "wptErrors.h" |
#include "wptErrors.h" |
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#include "wptTypes.h" |
#include "wptTypes.h" |
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#include "wptKeylist.h" |
#include "wptKeylist.h" |
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#include "wptAgent.h" |
#include "wptAgent.h" |
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#include "wptRegistry.h" |
#include "wptRegistry.h" |
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#include "wptUTF8.h" |
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const char* get_symkey_algo (int algo); |
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/* Return the control ID dependent on the mode (sign or decrypt). */ |
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#define item_ctrl_id(cmd) \ |
#define item_ctrl_id(cmd) \ |
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((cmd) == GPG_CMD_DECRYPT? IDC_DECRYPT_PWD : IDC_DECRYPT_SIGN_PWD) |
((cmd) == GPG_CMD_DECRYPT? IDC_DECRYPT_PWD : IDC_DECRYPT_SIGN_PWD) |
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#define item_ctrl_id2(cmd) \ |
#define item_ctrl_id2(cmd) \ |
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((cmd) == GPG_CMD_DECRYPT? IDC_DECRYPT_HIDE : IDC_DECRYPT_SIGN_HIDE) |
((cmd) == GPG_CMD_DECRYPT? IDC_DECRYPT_HIDE : IDC_DECRYPT_SIGN_HIDE) |
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const char* get_symkey_algo (int algo); |
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void ListBox_AddString_utf8 (HWND lb, const char *txt); |
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/* Overwrite passphrase and free memory. */ |
/* Overwrite passphrase and free memory. */ |
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static void |
static void |
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static passphrase_cb_s *c; |
static passphrase_cb_s *c; |
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gpgme_decrypt_result_t res=NULL; |
gpgme_decrypt_result_t res=NULL; |
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gpgme_sign_result_t res_sig=NULL; |
gpgme_sign_result_t res_sig=NULL; |
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gpgme_key_t key; |
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gpgme_recipient_t recip=NULL, r; |
gpgme_recipient_t recip=NULL, r; |
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winpt_key_s key; |
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void *item; |
void *item; |
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const char *id; |
const char *id; |
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char *info; |
char *info; |
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if (!c) |
if (!c) |
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BUG (0); |
BUG (0); |
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SetDlgItemText (dlg, IDCANCEL, _("&Cancel")); |
SetDlgItemText (dlg, IDCANCEL, _("&Cancel")); |
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SetDlgItemText (dlg, IDC_DECRYPT_HIDE, _("&Hide Typing")); |
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SetWindowText (dlg, c->title); |
SetWindowText (dlg, c->title); |
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if (c->gpg_cmd == GPG_CMD_DECRYPT) { |
if (c->gpg_cmd == GPG_CMD_DECRYPT) { |
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SetDlgItemText (dlg, IDC_DECRYPT_HIDE, _("&Hide Typing")); |
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SetDlgItemText (dlg, IDC_DECRYPT_LISTINF, |
SetDlgItemText (dlg, IDC_DECRYPT_LISTINF, |
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_("Encrypted with the following public key(s)")); |
_("Encrypted with the following public key(s)")); |
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CheckDlgButton (dlg, IDC_DECRYPT_HIDE, BST_CHECKED); |
CheckDlgButton (dlg, IDC_DECRYPT_HIDE, BST_CHECKED); |
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} |
} |
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if (recip != NULL && c->gpg_cmd == GPG_CMD_DECRYPT) { |
if (recip != NULL && c->gpg_cmd == GPG_CMD_DECRYPT) { |
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for (r = recip; r; r = r->next) { |
for (r = recip; r; r = r->next) { |
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get_pubkey (r->keyid, &key); |
memset (&key, 0, sizeof (key)); |
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if (key) { |
if (!winpt_get_pubkey (r->keyid, &key)) { |
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gpgme_user_id_t u = key->uids; |
gpgme_user_id_t u = key.ctx->uids; |
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char *uid; |
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id = u->name; |
id = u->name; |
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if (!id) |
if (!id) |
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id = _("Invalid User ID"); |
id = _("Invalid User ID"); |
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uid = utf8_to_wincp (id, strlen (id)); |
n = 32+strlen (id)+1+4+strlen (r->keyid)+1; |
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n = 32+strlen (uid)+1+4+strlen (r->keyid)+1; |
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if (u->email) |
if (u->email) |
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n += strlen (u->email)+1; |
n += strlen (u->email)+1; |
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info = new char [n+1]; |
info = new char [n+1]; |
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if (!info) |
if (!info) |
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BUG (NULL); |
BUG (NULL); |
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if (!u->email || strlen (u->email) < 1) |
if (!u->email || strlen (u->email) < 1) |
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sprintf (info, "%s (%s, 0x%s)", uid, |
sprintf (info, "%s (%s, 0x%s)", id, |
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get_key_pubalgo (r->pubkey_algo), r->keyid+8); |
get_key_pubalgo (r->pubkey_algo), r->keyid+8); |
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else |
else |
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sprintf (info, "%s <%s> (%s, 0x%s)", uid, u->email, |
sprintf (info, "%s <%s> (%s, 0x%s)", id, u->email, |
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get_key_pubalgo (r->pubkey_algo), r->keyid+8); |
get_key_pubalgo (r->pubkey_algo), r->keyid+8); |
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free (uid); |
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} |
} |
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else { |
else { |
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info = new char [32 + strlen (r->keyid)+1 + 4]; |
info = new char [32 + strlen (r->keyid)+1 + 4]; |
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sprintf (info, _("Unknown key ID (%s, 0x%s)"), |
sprintf (info, _("Unknown key ID (%s, 0x%s)"), |
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get_key_pubalgo (r->pubkey_algo), r->keyid+8); |
get_key_pubalgo (r->pubkey_algo), r->keyid+8); |
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} |
} |
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listbox_add_string (GetDlgItem (dlg, IDC_DECRYPT_LIST), info); |
ListBox_AddString_utf8 (GetDlgItem (dlg, IDC_DECRYPT_LIST), info); |
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free_if_alloc (info); |
free_if_alloc (info); |
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winpt_release_pubkey (&key); |
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} |
} |
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} |
} |
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else if (c->gpg_cmd == GPG_CMD_DECRYPT) |
else if (c->gpg_cmd == GPG_CMD_DECRYPT) |
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SetDlgItemText (dlg, IDC_DECRYPT_MSG, c->info); |
SetDlgItemText (dlg, IDC_DECRYPT_MSG, c->info); |
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} |
} |
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else { |
else { |
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SetFocus( GetDlgItem (dlg, IDC_DECRYPT_SIGN_PWD)); |
SetFocus (GetDlgItem (dlg, IDC_DECRYPT_SIGN_PWD)); |
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SetDlgItemText (dlg, IDC_DECRYPT_SIGN_MSG, c->info); |
SetDlgItemText (dlg, IDC_DECRYPT_SIGN_MSG, c->info); |
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} |
} |
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center_window (dlg, NULL); |
center_window (dlg, NULL); |
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case WM_SYSCOMMAND: |
case WM_SYSCOMMAND: |
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if (LOWORD (wparam) == SC_CLOSE) { |
if (LOWORD (wparam) == SC_CLOSE) { |
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SetDlgItemText (dlg, item_ctrl_id (c->gpg_cmd), ""); |
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c->cancel = 1; |
c->cancel = 1; |
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EndDialog (dlg, TRUE); |
EndDialog (dlg, TRUE); |
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} |
} |
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strcpy (c->pwd, ""); |
strcpy (c->pwd, ""); |
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} |
} |
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else { |
else { |
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c->pwd = new char[n+2]; |
char *p = new char[n+2]; |
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if (!c->pwd) |
if (!p) |
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BUG (NULL); |
BUG (NULL); |
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SafeGetDlgItemText (dlg, item_ctrl_id (c->gpg_cmd), |
/* Get the passphrase and convert it utf8. |
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c->pwd, n+1); |
This does not just the us-ascii charset. */ |
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SafeGetDlgItemText (dlg, item_ctrl_id (c->gpg_cmd), p, n+1); |
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c->pwd = native_to_utf8 (p); |
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sfree_if_alloc (p); |
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} |
} |
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res = gpgme_op_decrypt_result (c->gpg); |
res = gpgme_op_decrypt_result (c->gpg); |
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if (!res) |
if (!res) |
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res_sig = gpgme_op_sign_result (c->gpg); |
res_sig = gpgme_op_sign_result (c->gpg); |
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if (reg_prefs.cache_time > 0 && !c->is_card && |
if (!c->is_card && reg_prefs.cache_time > 0 && |
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(res || res_sig)) { |
(res || res_sig)) { |
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if (agent_get_cache (c->keyid, &item)) |
if (agent_get_cache (c->keyid, &item)) |
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agent_unlock_cache_entry (&item); |
agent_unlock_cache_entry (&item); |
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else |
else |
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agent_put_cache (c->keyid, c->pwd, reg_prefs.cache_time); |
agent_put_cache (c->keyid, c->pwd, reg_prefs.cache_time); |
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gpgme_pubkey_algo_t algo; |
gpgme_pubkey_algo_t algo; |
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char usedkey[16+1]; |
char usedkey[16+1]; |
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char mainkey[16+1]; |
char mainkey[16+1]; |
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char *uid, *p; |
char *p, *uid; |
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int n=0; |
int n=0; |
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algo = (gpgme_pubkey_algo_t)0; |
algo = (gpgme_pubkey_algo_t)0; |
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uid_hint += 16; /* skip keyid */ |
uid_hint += 16; /* skip keyid */ |
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uid_hint += 1; /* space */ |
uid_hint += 1; /* space */ |
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uid = utf8_to_wincp (uid_hint, strlen (uid_hint)); |
uid = utf8_to_native (uid_hint); |
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if (strcmp (usedkey, mainkey)) |
if (strcmp (usedkey, mainkey)) |
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_snprintf (desc, size-1, |
_snprintf (desc, size-1, |
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_("You need a passphrase to unlock the secret key for\n" |
_("You need a passphrase to unlock the secret key for user:\n" |
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"user: \"%s\"\n" |
"\"%s\"\n" |
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"%s key, ID %s (main key ID %s)\n"), |
"%s key, ID 0x%s (main key ID 0x%s)\n"), |
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uid, get_key_pubalgo (algo), usedkey+8, mainkey+8); |
uid, get_key_pubalgo (algo), usedkey+8, mainkey+8); |
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else if (!strcmp (usedkey, mainkey)) |
else if (!strcmp (usedkey, mainkey)) |
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_snprintf (desc, size-1, |
_snprintf (desc, size-1, |
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_("You need a passphrase to unlock the secret key for\n" |
_("You need a passphrase to unlock the secret key for user:\n" |
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"user: \"%s\"\n" |
"\"%s\"\n" |
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"%s key, ID %s\n"), |
"%s key, ID 0x%s\n"), |
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uid, get_key_pubalgo (algo), usedkey+8); |
uid, get_key_pubalgo (algo), usedkey+8); |
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free (uid); |
safe_free (uid); |
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return 0; |
return 0; |
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} |
} |
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} |
} |
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c->pwd_init = 0; |
c->pwd_init = 0; |
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} |
} |
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if (c->cancel) { |
if (c->cancel || !c->pwd) { |
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if (!WriteFile (hd, "\n", 1, &n, NULL)) |
if (!WriteFile (hd, "\n", 1, &n, NULL)) |
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log_debug ("passphrase_cb: WriteFile() failed ec=%d\n", w32_errno); |
log_debug ("passphrase_cb: WriteFile() failed ec=%d\n", w32_errno); |
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return 0; |
return 0; |
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cb->pwd_init = 1; |
cb->pwd_init = 1; |
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free_if_alloc (cb->title); |
free_if_alloc (cb->title); |
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cb->title = m_strdup (title); |
cb->title = m_strdup (title); |
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if (!cb->title) |
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BUG (NULL); |
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gpgme_set_passphrase_cb (ctx, passphrase_cb, cb); |
gpgme_set_passphrase_cb (ctx, passphrase_cb, cb); |
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cb->gpg = ctx; |
cb->gpg = ctx; |
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} |
} |
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/* Release a passphrase callback @ctx. */ |
/* Release the gpg recipient list. */ |
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void |
void |
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release_gpg_passphrase_cb (passphrase_cb_s *ctx) |
release_gpg_recipients (gpgme_recipient_t *recipients) |
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{ |
{ |
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gpgme_recipient_t r, n; |
gpgme_recipient_t r, n; |
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if (!ctx) |
r = *recipients; |
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return; |
while (r != NULL) { |
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sfree_if_alloc (ctx->pwd); |
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free_if_alloc (ctx->title); |
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r = ctx->recipients; |
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while (r) { |
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n = r->next; |
n = r->next; |
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safe_free (r->keyid); |
safe_free (r->keyid); |
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safe_free (r); |
safe_free (r); |
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r = n; |
r = n; |
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} |
} |
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*recipients = NULL; |
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} |
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/* Release a passphrase callback @ctx. */ |
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void |
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release_gpg_passphrase_cb (passphrase_cb_s *ctx) |
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{ |
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if (!ctx) |
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return; |
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sfree_if_alloc (ctx->pwd); |
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free_if_alloc (ctx->title); |
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release_gpg_recipients (&ctx->recipients); |
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} |
} |
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