remove files not wanted from cerberus

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

1 files changed, 0 insertions, 317 deletions

diff --git a/src/cerberus.c b/src/cerberus.c
deleted file mode 100644
index c555a2b..0000000
--- a/src/cerberus.c
+++ /dev/null
@@ -1,317 +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 "cerberus.h"
-
-/* TODO use log */
-
-
-#ifdef USE_TTY_GROUP
-/**
- * The group ID for the `tty` group
- */
-static gid_t tty_group = 0;
-#endif
-
-/**
- * The user's entry in the password file
- */
-static struct passwd* entry;
-
-/**
- * The process ID of the child process, 0 if none
- */
-pid_t child_pid = 0;
-
-/**
- * The passphrase
- */
-char* passphrase = NULL;
-
-
-/**
- * Mane method
- * 
- * @param   argc  The number of command line arguments
- * @param   argv  The command line arguments
- * @return        Return code
- */
-int main(int argc, char** argv)
-{
-  char* tty_device = ttyname(STDIN_FILENO);
-  
-  do_login(argc, argv);
-  
-  /* Ignore signals */
-  signal(SIGQUIT, SIG_IGN);
-  signal(SIGINT, SIG_IGN);
-  
-  /* Wait for the login shell and all grandchildren to exit */
-  while ((wait(NULL) == -1) && (errno == EINTR))
-    ;
-  
-  /* Regain access to the terminal */
-  if (tty_device)
-    {
-      int fd = open(tty_device, O_RDWR | O_NONBLOCK);
-      if (fd)
-	dup2(fd, 0);
-      dup2(fd, 1);
-      dup2(fd, 2);
-    }
-  
-  /* Reset terminal ownership and mode */
-  chown_tty(0, tty_group, 0);
-  
-  /* Close login session */
-  close_login_session();
-  
-  return 0;
-}
-
-
-/**
- * Do everything before the fork and do everything the exec fork
- * 
- * @param   argc  The number of command line arguments
- * @param   argv  The command line arguments
- */
-void do_login(int argc, char** argv)
-{
-  char* username = NULL;
-  char* hostname = NULL;
-  char preserve_env = 0;
-  char skip_auth = 0;
-  int ret;
-  #ifdef USE_TTY_GROUP
-  struct group* group;
-  #endif
-  
-  
-  /* Disable echoing */
-  disable_echo();
-  /* This should be done as early and quickly as possible so as little
-     as possible of the passphrase gets leaked to the output if the user
-     begins entering the passphrase directly after the username. */
-  
-  
-  /* Set process group ID */
-  setpgrp();
-  
-  
-  /* Parse command line arguments */
-  {
-    char double_dashed = 0;
-    char hostname_on_next = 0;
-    int i;
-    for (i = 1; i < argc; i++)
-      {
-	char *arg = *(argv + i);
-	char c;
-	
-	if (*arg == 0)
-	  ;
-	else if ((*arg == '-') && (double_dashed == 0))
-	  while ((c = *(++arg)))
-	    if ((c == 'V') || (c == 'H'))
-	      ;
-	    else if (c == 'p')
-	      preserve_env = 1;
-	    else if (c == 'h')
-	      {
-		if (*(arg + 1))
-		  hostname = arg + 1;
-		else
-		  hostname_on_next = 1;
-		break;
-	      }
-	    else if (c == 'f')
-	      {
-		if (*(arg + 1))
-		  username = arg + 1;
-		skip_auth = 1;
-		break;
-	      }
-	    else if (c == '-')
-	      {
-		double_dashed = 1;
-		break;
-	      }
-	    else
-	      printf("%s: unrecognised options: -%c\n", *argv, c);
-	else if (hostname_on_next)
-	  {
-	    hostname = arg;
-	    hostname_on_next = 0;
-	  }
-	else
-	  username = arg;
-      }
-  }
-  
-  
-  /* Change that a username has been specified */
-  if (username == NULL)
-    {
-      printf("%s: no username specified\n", *argv);
-      sleep(ERROR_SLEEP);
-      _exit(2);
-    }
-  
-  
-  /* Only root may bypass authentication */
-  if (skip_auth && getuid())
-    {
-      printf("%s: only root by use the -f option\n", *argv);
-      sleep(ERROR_SLEEP);
-      _exit(2);
-    }
-  
-  
-  /* Print ant we want a passphrase, if -f has not been used */
-  if (skip_auth == 0)
-    {
-      printf("Passphrase: ");
-      fflush(stdout);
-    }
-  /* Done early to make to program look like it is even faster than it is */
-  
-  
-  /* Make sure nopony is spying */
-  #ifdef USE_TTY_GROUP
-  if ((group = getgrnam(TTY_GROUP)))
-    tty_group = group->gr_gid;
-  endgrent();
-  #endif
-  secure_tty(tty_group);
-  
-  /* Redisable echoing */
-  disable_echo();
-  
-  
-  /* Set up clean quiting and time out */
-  signal(SIGALRM, timeout_quit);
-  signal(SIGQUIT, user_quit);
-  signal(SIGINT, user_quit);
-  siginterrupt(SIGALRM, 1);
-  siginterrupt(SIGQUIT, 1);
-  siginterrupt(SIGINT, 1);
-  alarm(TIMEOUT_SECONDS);
-  
-  
-  /* Get user information */
-  if ((entry = getpwnam(username)) == NULL)
-    {
-      if (errno)
-	perror("getpwnam");
-      else
-	printf("User does not exist\n");
-      sleep(ERROR_SLEEP);
-      _exit(1);
-    }
-  endpwent();
-  username = entry->pw_name;
-  
-  
-  /* Verify passphrase or other token, if -f has not been used */
-  initialise_login(hostname, username, read_passphrase);
-  if ((skip_auth == 0) && authenticate_login())
-    printf("(auto-authenticated)\n");
-  
-  /* Passphrase entered, turn off timeout */
-  alarm(0);
-  
-  /* Wipe and free the passphrase from the memory */
-  if (passphrase)
-    {
-      long i;
-      for (i = 0; *(passphrase + i); i++)
-	*(passphrase + i) = 0;
-      free(passphrase);
-    }
-  
-  /* Reset terminal settings */
-  reenable_echo();
-  
-  
-  /* Verify account, such as that it is enabled */
-  verify_account();
-  
-  
-  /* Partial login */
-  chown_tty(entry->pw_uid, tty_group, 0);
-  chdir_home(entry);
-  ensure_shell(entry);
-  set_environ(entry, preserve_env);
-  open_login_session();
-  
-  
-  /* Stop signal handling */
-  signal(SIGALRM, SIG_DFL);
-  signal(SIGQUIT, SIG_DFL);
-  signal(SIGTSTP, SIG_IGN);
-  
-  
-  child_pid = fork();
-  /* vfork cannot be used as the child changes the user,
-     the parent would not be able to chown the TTY */
-  
-  if (child_pid == -1)
-    {
-      perror("fork");
-      close_login_session();
-      sleep(ERROR_SLEEP);
-      _exit(1);
-    }
-  else if (child_pid)
-    return; /* Do not go beyond this in the parent */
-  
-  /* In case the shell does not do this */
-  setsid();
-  
-  /* Set controlling terminal */
-  if (ioctl(STDIN_FILENO, TIOCSCTTY, 1))
-    perror("TIOCSCTTY");
-  signal(SIGINT, SIG_DFL);
-  
-  /* Partial login */
-  ret = entry->pw_uid
-    ? initgroups(username, entry->pw_gid) /* supplemental groups for user, can require network     */
-    : setgroups(0, NULL);                 /* supplemental groups for root, does not require netork */
-  if (ret == -1)
-    {
-      perror(entry->pw_uid ? "initgroups" : "setgroups");
-      sleep(ERROR_SLEEP);
-      _exit(1);
-    }
-  set_user(entry);
-  exec_shell(entry);
-}
-
-
-/**
- * Read passphrase from the terminal
- * 
- * @return  The entered passphrase
- */
-char* read_passphrase(void)
-{
-  passphrase = get_passphrase();
-  return passphrase;
-}
-