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/* -*- coding: utf-8 -*- */
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* Plymouth - Read a password from Plymouth and output it
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* Copyright © 2010 Teddy Hogeborn
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* Copyright © 2010 Björn Påhlsson
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* This program is free software: you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful, but
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* 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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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see
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* <http://www.gnu.org/licenses/>.
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* Contact the authors at <mandos@fukt.bsnet.se>.
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#define _GNU_SOURCE /* asprintf(), TEMP_FAILURE_RETRY() */
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#include <signal.h> /* sig_atomic_t, struct sigaction,
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sigemptyset(), sigaddset(), SIGINT,
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const char *const cryptsource = getenv("cryptsource");
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const char *const crypttarget = getenv("crypttarget");
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const char prompt_start[] = "Unlocking the disk";
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const char prompt_end[] = "Enter passphrase";
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const char prompt_start[] = "Enter passphrase to unlock the disk";
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if(cryptsource == NULL){
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if(crypttarget == NULL){
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ret = asprintf(&prompt, "%s\n%s", prompt_start, prompt_end);
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ret = asprintf(&prompt, "%s: ", prompt_start);
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ret = asprintf(&prompt, "%s (%s)\n%s", prompt_start,
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crypttarget, prompt_end);
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ret = asprintf(&prompt, "%s (%s): ", prompt_start,
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if(crypttarget == NULL){
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ret = asprintf(&prompt, "%s %s\n%s", prompt_start, cryptsource,
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ret = asprintf(&prompt, "%s %s: ", prompt_start, cryptsource);
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ret = asprintf(&prompt, "%s %s (%s)\n%s", prompt_start,
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cryptsource, crypttarget, prompt_end);
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ret = asprintf(&prompt, "%s %s (%s): ", prompt_start,
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cryptsource, crypttarget);
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char **new_argv = NULL;
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for (; argv[i]!=NULL; i++){
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for (; argv[i]!=(char *)NULL; i++){
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tmp = realloc(new_argv, sizeof(const char *) * ((size_t)i + 1));
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if (tmp == NULL){
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error(0, errno, "realloc");
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new_argv = (char **)tmp;
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new_argv[i] = strdup(argv[i]);
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new_argv[i] = (char *) NULL;
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execv(path, (char *const *)new_argv);
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error(0, errno, "execv");