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* options.h, gpg.c (main), passphrase.c (passphrase_to_dek): Add

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--passphrase-repeat option to control how many times gpg will
re-prompt for a passphrase to ensure the user has typed it correctly.
Defaults to 1.
This commit is contained in:
David Shaw 2006-12-03 04:38:53 +00:00
parent 29f48b5fdc
commit e0cd2d31a1
4 changed files with 55 additions and 32 deletions
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7
g10/ChangeLog
View File

@ -1,3 +1,10 @@
2006-12-02 David Shaw <dshaw@jabberwocky.com>
* options.h, gpg.c (main), passphrase.c (passphrase_to_dek): Add
--passphrase-repeat option to control how many times gpg will
re-prompt for a passphrase to ensure the user has typed it
correctly. Defaults to 1.
2006-11-27 Werner Koch <wk@g10code.com>
* openfile.c (ask_outfile_name): Fixed buffer overflow occurring

4
g10/gpg.c
View File

@ -219,6 +219,7 @@ enum cmd_and_opt_values
oPasswd,
oPasswdFD,
oPasswdFile,
oPasswdRepeat,
oCommandFD,
oCommandFile,
oQuickRandom,
@ -578,6 +579,7 @@ static ARGPARSE_OPTS opts[] = {
{ oPasswd, "passphrase",2, "@" },
{ oPasswdFD, "passphrase-fd",1, "@" },
{ oPasswdFile, "passphrase-file",2, "@" },
{ oPasswdRepeat, "passphrase-repeat", 1, "@"},
{ oCommandFD, "command-fd",1, "@" },
{ oCommandFile, "command-file",2, "@" },
{ oQuickRandom, "quick-random", 0, "@"},
@ -1819,6 +1821,7 @@ main (int argc, char **argv )
opt.def_sig_expire="0";
opt.def_cert_expire="0";
set_homedir ( default_homedir () );
opt.passwd_repeat=1;
#ifdef ENABLE_CARD_SUPPORT
#if defined(_WIN32) || defined(__CYGWIN__)
@ -2440,6 +2443,7 @@ main (int argc, char **argv )
case oPasswdFile:
pwfd = open_info_file (pargs.r.ret_str, 0);
break;
case oPasswdRepeat: opt.passwd_repeat=pargs.r.ret_int; break;
case oCommandFD:
opt.command_fd = iobuf_translate_file_handle (pargs.r.ret_int, 0);
break;

2
g10/options.h
View File

@ -239,7 +239,7 @@ struct
/* True if multiple concatenated signatures may be verified. */
int allow_multisig_verification;
int passwd_repeat;
} opt;
/* CTRL is used to keep some global variables we currently can't

74
g10/passphrase.c
View File

@ -1,6 +1,6 @@
/* passphrase.c - Get a passphrase
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004,
* 2005 Free Software Foundation, Inc.
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
* 2006 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@ -937,26 +937,32 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
goto agent_died;
pw = xstrdup ("");
}
if( *pw && mode == 2 ) {
char *pw2 = agent_get_passphrase ( keyid, 2, NULL, NULL, NULL,
NULL, canceled );
if (!pw2)
{
if (!opt.use_agent)
{
xfree (pw);
pw = NULL;
goto agent_died;
}
pw2 = xstrdup ("");
}
if( strcmp(pw, pw2) ) {
if( *pw && mode == 2 )
{
int i;
for(i=0;i<opt.passwd_repeat;i++)
{
char *pw2 = agent_get_passphrase ( keyid, 2, NULL, NULL, NULL,
NULL, canceled );
if (!pw2)
{
if (!opt.use_agent)
{
xfree (pw);
pw = NULL;
goto agent_died;
}
pw2 = xstrdup ("");
}
if( strcmp(pw, pw2) )
{
xfree(pw2);
xfree(pw);
return NULL;
}
xfree(pw2);
xfree(pw);
return NULL;
}
xfree(pw2);
}
}
}
}
else if( fd_passwd ) {
/* Return the passphrase we have store in FD_PASSWD. */
@ -972,17 +978,23 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
/* Read the passphrase from the tty or the command-fd. */
pw = cpr_get_hidden("passphrase.enter", _("Enter passphrase: ") );
tty_kill_prompt();
if( mode == 2 && !cpr_enabled() ) {
char *pw2 = cpr_get_hidden("passphrase.repeat",
_("Repeat passphrase: ") );
tty_kill_prompt();
if( strcmp(pw, pw2) ) {
if( mode == 2 && !cpr_enabled() )
{
int i;
for(i=0;i<opt.passwd_repeat;i++)
{
char *pw2 = cpr_get_hidden("passphrase.repeat",
_("Repeat passphrase: ") );
tty_kill_prompt();
if( strcmp(pw, pw2) )
{
xfree(pw2);
xfree(pw);
return NULL;
}
xfree(pw2);
xfree(pw);
return NULL;
}
xfree(pw2);
}
}
}
}
if( !pw || !*pw )