use libpassphrase

Signed-off-by: Mattias Andrée <maandree@operamail.com>

1 files changed, 0 insertions, 111 deletions

diff --git a/src/passphrase.c b/src/passphrase.c
deleted file mode 100644
index 599d5ff..0000000
--- a/src/passphrase.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/**
- * cerberus – Minimal login program
- * 
- * Copyright © 2013  Mattias Andrée (maandree@member.fsf.org)
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <termios.h>
-#include <unistd.h>
-
-#include "config.h"
-
-#include "passphrase.h"
-
-
-#define START_PASSPHRASE_LIMIT  32
-
-
-/**
- * The original TTY settings
- */
-static struct termios saved_stty;
-
-
-/**
- * Reads the passphrase from stdin
- * 
- * @return  The passphrase, should be `free`:ed
- */
-char* get_passphrase(void)
-{
-  /* malloc and realloc returns NULL if we run out of memory,
-     we will not do that under normal usecases, if we do, it
-     okay to segfault on null derefencing and quit on that. */
-  
-  char* rc = malloc(START_PASSPHRASE_LIMIT * sizeof(char));
-  long size = START_PASSPHRASE_LIMIT;
-  long len = 0;
-  int c;
-  
-  if (rc == NULL)
-    {
-      perror("malloc");
-      sleep(ERROR_SLEEP);
-      _exit(1);
-    }
-  
-  /* Read password until EOF or Enter, skip all \0 as that
-     is probably not a part of the passphrase (good luck typing
-     that in X.org) and can be echoed into stdin by the kernel. */
-  for (;;)
-    {
-      c = getchar();
-      if ((c < 0) || (c == '\n'))
-	break;
-      if (c != 0)
-        {
-	  *(rc + len++) = c;
-	  if (len == size)
-	    if ((rc = realloc(rc, (size <<= 1L) * sizeof(char))) == NULL)
-	      {
-		perror("realloc");
-		sleep(ERROR_SLEEP);
-		_exit(1);
-	      }
-	}
-    }
-  
-  /* NUL-terminate passphrase */
-  *(rc + len) = 0;
-  
-  printf("\n");
-  return rc;
-}
-
-
-/**
- * Disable echoing and do anything else to the terminal settnings `get_passphrase` requires
- */
-void disable_echo(void)
-{
-  struct termios stty;
-  
-  tcgetattr(STDIN_FILENO, &stty);
-  saved_stty = stty;
-  stty.c_lflag &= ~ECHO;
-  tcsetattr(STDIN_FILENO, TCSAFLUSH, &stty);
-}
-
-
-/**
- * Undo the actions of `disable_echo`
- */
-void reenable_echo(void)
-{
-  tcsetattr(STDIN_FILENO, TCSAFLUSH, &saved_stty);
-}
-