[mirror_frr.git] / vtysh / vtysh_main.c

/* Virtual terminal interface shell.
 * Copyright (C) 2000 Kunihiro Ishiguro
 *
 * This file is part of GNU Zebra.
 *
 * GNU Zebra 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 2, or (at your option) any
 * later version.
 *
 * GNU Zebra 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 GNU Zebra; see the file COPYING.  If not, write to the Free
 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.  
 */

#include <zebra.h>

#include <sys/un.h>
#include <setjmp.h>
#include <sys/wait.h>
#include <pwd.h>

#include <readline/readline.h>
#include <readline/history.h>

#include <lib/version.h>
#include "getopt.h"
#include "command.h"
#include "memory.h"

#include "vtysh/vtysh.h"
#include "vtysh/vtysh_user.h"

/* VTY shell program name. */
char *progname;

/* Configuration file name and directory. */
char config_default[] = SYSCONFDIR VTYSH_DEFAULT_CONFIG;
char history_file[MAXPATHLEN];

/* Flag for indicate executing child command. */
int execute_flag = 0;

/* For sigsetjmp() & siglongjmp(). */
static sigjmp_buf jmpbuf;

/* Flag for avoid recursive siglongjmp() call. */
static int jmpflag = 0;

/* A static variable for holding the line. */
static char *line_read;

/* Master of threads. */
struct thread_master *master;

/* Command logging */
FILE *logfile;

/* SIGTSTP handler.  This function care user's ^Z input. */
static void
sigtstp (int sig)
{
  /* Execute "end" command. */
  vtysh_execute ("end");
  
  /* Initialize readline. */
  rl_initialize ();
  printf ("\n");

  /* Check jmpflag for duplicate siglongjmp(). */
  if (! jmpflag)
    return;

  jmpflag = 0;

  /* Back to main command loop. */
  siglongjmp (jmpbuf, 1);
}

/* SIGINT handler.  This function care user's ^Z input.  */
static void
sigint (int sig)
{
  /* Check this process is not child process. */
  if (! execute_flag)
    {
      rl_initialize ();
      printf ("\n");
      rl_forced_update_display ();
    }
}

/* Signale wrapper for vtysh. We don't use sigevent because
 * vtysh doesn't use threads. TODO */
static RETSIGTYPE *
vtysh_signal_set (int signo, void (*func)(int))
{
  int ret;
  struct sigaction sig;
  struct sigaction osig;

  sig.sa_handler = func;
  sigemptyset (&sig.sa_mask);
  sig.sa_flags = 0;
#ifdef SA_RESTART
  sig.sa_flags |= SA_RESTART;
#endif /* SA_RESTART */

  ret = sigaction (signo, &sig, &osig);

  if (ret < 0) 
    return (SIG_ERR);
  else
    return (osig.sa_handler);
}

/* Initialization of signal handles. */
static void
vtysh_signal_init (void)
{
  vtysh_signal_set (SIGINT, sigint);
  vtysh_signal_set (SIGTSTP, sigtstp);
  vtysh_signal_set (SIGPIPE, SIG_IGN);
}

/* Help information display. */
static void
usage (int status)
{
  if (status != 0)
    fprintf (stderr, "Try `%s --help' for more information.\n", progname);
  else
    printf ("Usage : %s [OPTION...]\n\n" \
	    "Integrated shell for Quagga routing software suite. \n\n" \
	    "-b, --boot               Execute boot startup configuration\n" \
	    "-c, --command            Execute argument as command\n" \
	    "-d, --daemon             Connect only to the specified daemon\n" \
	    "-f, --inputfile          Execute commands from specific file and exit\n" \
	    "-E, --echo               Echo prompt and command in -c mode\n" \
	    "-C, --dryrun             Check configuration for validity and exit\n" \
	    "-m, --markfile           Mark input file with context end\n"
	    "-h, --help               Display this help and exit\n\n" \
	    "Note that multiple commands may be executed from the command\n" \
	    "line by passing multiple -c args, or by embedding linefeed\n" \
	    "characters in one or more of the commands.\n\n" \
	    "Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS);

  exit (status);
}

/* VTY shell options, we use GNU getopt library. */
struct option longopts[] = 
{
  { "boot",                 no_argument,             NULL, 'b'},
  /* For compatibility with older zebra/quagga versions */
  { "eval",                 required_argument,       NULL, 'e'},
  { "command",              required_argument,       NULL, 'c'},
  { "daemon",               required_argument,       NULL, 'd'},
  { "inputfile",            required_argument,       NULL, 'f'},
  { "echo",                 no_argument,             NULL, 'E'},
  { "dryrun",		    no_argument,	     NULL, 'C'},
  { "help",                 no_argument,             NULL, 'h'},
  { "noerror",		    no_argument,	     NULL, 'n'},
  { "mark",                 no_argument,             NULL, 'm'},
  { 0 }
};

/* Read a string, and return a pointer to it.  Returns NULL on EOF. */
static char *
vtysh_rl_gets (void)
{
  HIST_ENTRY *last;
  /* If the buffer has already been allocated, return the memory
   * to the free pool. */
  if (line_read)
    {
      free (line_read);
      line_read = NULL;
    }
     
  /* Get a line from the user.  Change prompt according to node.  XXX. */
  line_read = readline (vtysh_prompt ());
     
  /* If the line has any text in it, save it on the history. But only if
   * last command in history isn't the same one. */
  if (line_read && *line_read)
    {
      using_history();
      last = previous_history();
      if (!last || strcmp (last->line, line_read) != 0) {
	add_history (line_read);
	append_history(1,history_file);
      }
    }
     
  return (line_read);
}

static void log_it(const char *line)
{
  time_t t = time(NULL);
  struct tm *tmp = localtime(&t);
  const char *user = getenv("USER") ? : "boot";
  char tod[64];

  strftime(tod, sizeof tod, "%Y%m%d-%H:%M.%S", tmp);
  
  fprintf(logfile, "%s:%s %s\n", tod, user, line);
}

/* VTY shell main routine. */
int
main (int argc, char **argv, char **env)
{
  char *p;
  int opt;
  int dryrun = 0;
  int boot_flag = 0;
  const char *daemon_name = NULL;
  const char *inputfile = NULL;
  struct cmd_rec {
    const char *line;
    struct cmd_rec *next;
  } *cmd = NULL;
  struct cmd_rec *tail = NULL;
  int echo_command = 0;
  int no_error = 0;
  int markfile = 0;
  char *homedir = NULL;

  /* Preserve name of myself. */
  progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]);

  /* if logging open now */
  if ((p = getenv("VTYSH_LOG")) != NULL)
      logfile = fopen(p, "a");

  /* Option handling. */
  while (1) 
    {
      opt = getopt_long (argc, argv, "be:c:d:nf:mEhC", longopts, 0);
    
      if (opt == EOF)
	break;

      switch (opt) 
	{
	case 0:
	  break;
	case 'b':
	  boot_flag = 1;
	  break;
	case 'e':
	case 'c':
	  {
	    struct cmd_rec *cr;
	    cr = XMALLOC(0, sizeof(*cr));
	    cr->line = optarg;
	    cr->next = NULL;
	    if (tail)
	      tail->next = cr;
	    else
	      cmd = cr;
	    tail = cr;
	  }
	  break;
	case 'd':
	  daemon_name = optarg;
	  break;
	case 'f':
	  inputfile = optarg;
	  break;
	case 'm':
	  markfile = 1;
	  break;
	case 'n':
	  no_error = 1;
	  break;
	case 'E':
	  echo_command = 1;
	  break;
	case 'C':
	  dryrun = 1;
	  break;
	case 'h':
	  usage (0);
	  break;
	default:
	  usage (1);
	  break;
	}
    }

  /* Initialize user input buffer. */
  line_read = NULL;
  setlinebuf(stdout);

  /* Signal and others. */
  vtysh_signal_init ();

  /* Make vty structure and register commands. */
  vtysh_init_vty ();
  vtysh_init_cmd ();
  vtysh_user_init ();
  vtysh_config_init ();

  vty_init_vtysh ();

  /* Read vtysh configuration file before connecting to daemons. */
  vtysh_read_config(config_default);

  if (markfile)
    {
      if (!inputfile)
	{
	  fprintf(stderr, "-f option MUST be specified with -m option\n");
	  return(1);
	}
      return(vtysh_mark_file(inputfile));
    }

  /* Start execution only if not in dry-run mode */
  if(dryrun)
    {
      if (inputfile)
	{
	  vtysh_read_config(inputfile);
	}
      return(0);
    }

  /* Ignore error messages */
  if (no_error)
    {
      if (freopen("/dev/null", "w", stdout) == NULL)
	{
	  fprintf(stderr, "Exiting: Failed to duplicate stdout with -n option");
	  exit(1);
	}
    }

  /* Make sure we pass authentication before proceeding. */
  vtysh_auth ();

  /* Do not connect until we have passed authentication. */
  if (vtysh_connect_all (daemon_name) <= 0)
    {
      fprintf(stderr, "Exiting: failed to connect to any daemons.\n");
      exit(1);
    }

  if (inputfile)
    {
      vtysh_read_config(inputfile);
      exit(0);
    }

  /*
   * Setup history file for use by both -c and regular input
   * If we can't find the home directory, then don't store
   * the history information
   */
  homedir = vtysh_get_home ();
  if (homedir)
    {
      snprintf(history_file, sizeof(history_file), "%s/.history_quagga", homedir);
      if (read_history (history_file) != 0)
	{
	  int fp;

	  fp = open (history_file, O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
	  if (fp)
	    close (fp);

	  read_history (history_file);
	}
    }

  /* If eval mode. */
  if (cmd)
    {
      /* Enter into enable node. */
      vtysh_execute ("enable");

      while (cmd != NULL)
        {
	  int ret;
	  char *eol;

	  while ((eol = strchr(cmd->line, '\n')) != NULL)
	    {
	      *eol = '\0';

	      add_history (cmd->line);
	      append_history (1, history_file);

	      if (echo_command)
		printf("%s%s\n", vtysh_prompt(), cmd->line);
	      
	      if (logfile)
		log_it(cmd->line);

	      ret = vtysh_execute_no_pager(cmd->line);
	      if (!no_error &&
		  ! (ret == CMD_SUCCESS ||
		     ret == CMD_SUCCESS_DAEMON ||
		     ret == CMD_WARNING))
		exit(1);

	      cmd->line = eol+1;
	    }

	  add_history (cmd->line);
	  append_history (1, history_file);

	  if (echo_command)
	    printf("%s%s\n", vtysh_prompt(), cmd->line);

	  if (logfile)
	    log_it(cmd->line);

	  ret = vtysh_execute_no_pager(cmd->line);
	  if (!no_error &&
	      ! (ret == CMD_SUCCESS ||
		 ret == CMD_SUCCESS_DAEMON ||
		 ret == CMD_WARNING))
	    exit(1);

	  {
	    struct cmd_rec *cr;
	    cr = cmd;
	    cmd = cmd->next;
	    XFREE(0, cr);
	  }
        }

      history_truncate_file(history_file,1000);
      exit (0);
    }
  
  /* Boot startup configuration file. */
  if (boot_flag)
    {
      if (vtysh_read_config (integrate_default))
	{
	  fprintf (stderr, "Can't open configuration file [%s]\n",
		   integrate_default);
	  if (no_error)
	    exit (0);
	  else
	    exit (1);
	}
      else
	exit (0);
    }

  vtysh_pager_init ();

  vtysh_readline_init ();

  vty_hello (vty);

  /* Enter into enable node. */
  vtysh_execute ("enable");

  /* Preparation for longjmp() in sigtstp(). */
  sigsetjmp (jmpbuf, 1);
  jmpflag = 1;

  /* Main command loop. */
  while (vtysh_rl_gets ())
    vtysh_execute (line_read);

  history_truncate_file(history_file,1000);
  printf ("\n");

  /* Rest in peace. */
  exit (0);
}
Commit	Line	Data
718e3744	1	/* Virtual terminal interface shell.
	2	* Copyright (C) 2000 Kunihiro Ishiguro
	3	*
	4	* This file is part of GNU Zebra.
	5	*
	6	* GNU Zebra is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License as published by the
	8	* Free Software Foundation; either version 2, or (at your option) any
	9	* later version.
	10	*
	11	* GNU Zebra is distributed in the hope that it will be useful, but
	12	* WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	14	* General Public License for more details.
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* along with GNU Zebra; see the file COPYING. If not, write to the Free
	18	* Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
	19	* 02111-1307, USA.
	20	*/
	21
	22	#include <zebra.h>
	23
	24	#include <sys/un.h>
	25	#include <setjmp.h>
	26	#include <sys/wait.h>
	27	#include <pwd.h>
	28
	29	#include <readline/readline.h>
	30	#include <readline/history.h>
	31
5e4fa164	32	#include <lib/version.h>
718e3744	33	#include "getopt.h"
718e3744	34	#include "command.h"
f366ad31	35	#include "memory.h"
718e3744	36
	37	#include "vtysh/vtysh.h"
	38	#include "vtysh/vtysh_user.h"
b094d260	39
718e3744	40	/* VTY shell program name. */
	41	char *progname;
	42
67e29abc	43	/* Configuration file name and directory. */
718e3744	44	char config_default[] = SYSCONFDIR VTYSH_DEFAULT_CONFIG;
3f4ab7f9	45	char history_file[MAXPATHLEN];
718e3744	46
718e3744	47	/* Flag for indicate executing child command. */
	48	int execute_flag = 0;
	49
	50	/* For sigsetjmp() & siglongjmp(). */
	51	static sigjmp_buf jmpbuf;
	52
	53	/* Flag for avoid recursive siglongjmp() call. */
	54	static int jmpflag = 0;
	55
	56	/* A static variable for holding the line. */
	57	static char *line_read;
	58
	59	/* Master of threads. */
	60	struct thread_master *master;
b094d260	61
57fb9748 SH	62	/* Command logging */
	63	FILE *logfile;
	64
718e3744	65	/* SIGTSTP handler. This function care user's ^Z input. */
c0e8c16f	66	static void
718e3744	67	sigtstp (int sig)
	68	{
	69	/* Execute "end" command. */
	70	vtysh_execute ("end");
	71
	72	/* Initialize readline. */
	73	rl_initialize ();
	74	printf ("\n");
	75
	76	/* Check jmpflag for duplicate siglongjmp(). */
	77	if (! jmpflag)
	78	return;
	79
	80	jmpflag = 0;
	81
	82	/* Back to main command loop. */
	83	siglongjmp (jmpbuf, 1);
	84	}
	85
	86	/* SIGINT handler. This function care user's ^Z input. */
c0e8c16f	87	static void
718e3744	88	sigint (int sig)
	89	{
	90	/* Check this process is not child process. */
	91	if (! execute_flag)
	92	{
	93	rl_initialize ();
	94	printf ("\n");
	95	rl_forced_update_display ();
	96	}
	97	}
	98
e42f5a37	99	/* Signale wrapper for vtysh. We don't use sigevent because
e42f5a37	100	* vtysh doesn't use threads. TODO */
c0e8c16f	101	static RETSIGTYPE *
e42f5a37	102	vtysh_signal_set (int signo, void (*func)(int))
718e3744	103	{
	104	int ret;
	105	struct sigaction sig;
	106	struct sigaction osig;
	107
	108	sig.sa_handler = func;
	109	sigemptyset (&sig.sa_mask);
	110	sig.sa_flags = 0;
	111	#ifdef SA_RESTART
	112	sig.sa_flags \|= SA_RESTART;
	113	#endif /* SA_RESTART */
	114
	115	ret = sigaction (signo, &sig, &osig);
	116
	117	if (ret < 0)
	118	return (SIG_ERR);
	119	else
	120	return (osig.sa_handler);
	121	}
	122
	123	/* Initialization of signal handles. */
c0e8c16f DS	124	static void
c0e8c16f DS	125	vtysh_signal_init (void)
718e3744	126	{
e42f5a37	127	vtysh_signal_set (SIGINT, sigint);
	128	vtysh_signal_set (SIGTSTP, sigtstp);
	129	vtysh_signal_set (SIGPIPE, SIG_IGN);
718e3744	130	}
b094d260	131
718e3744	132	/* Help information display. */
	133	static void
	134	usage (int status)
	135	{
	136	if (status != 0)
	137	fprintf (stderr, "Try `%s --help' for more information.\n", progname);
	138	else
95e735b5	139	printf ("Usage : %s [OPTION...]\n\n" \
f366ad31	140	"Integrated shell for Quagga routing software suite. \n\n" \
95e735b5	141	"-b, --boot Execute boot startup configuration\n" \
f366ad31 AS	142	"-c, --command Execute argument as command\n" \
f366ad31 AS	143	"-d, --daemon Connect only to the specified daemon\n" \
0846286b	144	"-f, --inputfile Execute commands from specific file and exit\n" \
f366ad31	145	"-E, --echo Echo prompt and command in -c mode\n" \
876b8be0	146	"-C, --dryrun Check configuration for validity and exit\n" \
0846286b	147	"-m, --markfile Mark input file with context end\n"
95e735b5	148	"-h, --help Display this help and exit\n\n" \
f366ad31 AS	149	"Note that multiple commands may be executed from the command\n" \
	150	"line by passing multiple -c args, or by embedding linefeed\n" \
	151	"characters in one or more of the commands.\n\n" \
95e735b5	152	"Report bugs to %s\n", progname, ZEBRA_BUG_ADDRESS);
95e735b5	153
718e3744	154	exit (status);
	155	}
	156
	157	/* VTY shell options, we use GNU getopt library. */
	158	struct option longopts[] =
	159	{
b094d260	160	{ "boot", no_argument, NULL, 'b'},
4991f6ca	161	/* For compatibility with older zebra/quagga versions */
718e3744	162	{ "eval", required_argument, NULL, 'e'},
4991f6ca	163	{ "command", required_argument, NULL, 'c'},
f366ad31	164	{ "daemon", required_argument, NULL, 'd'},
0846286b	165	{ "inputfile", required_argument, NULL, 'f'},
f366ad31	166	{ "echo", no_argument, NULL, 'E'},
876b8be0	167	{ "dryrun", no_argument, NULL, 'C'},
718e3744	168	{ "help", no_argument, NULL, 'h'},
914131f8	169	{ "noerror", no_argument, NULL, 'n'},
0846286b	170	{ "mark", no_argument, NULL, 'm'},
718e3744	171	{ 0 }
718e3744	172	};
b094d260	173
718e3744	174	/* Read a string, and return a pointer to it. Returns NULL on EOF. */
c0e8c16f DS	175	static char *
c0e8c16f DS	176	vtysh_rl_gets (void)
718e3744	177	{
4991f6ca	178	HIST_ENTRY *last;
718e3744	179	/* If the buffer has already been allocated, return the memory
95e735b5	180	* to the free pool. */
718e3744	181	if (line_read)
	182	{
	183	free (line_read);
	184	line_read = NULL;
	185	}
	186
	187	/* Get a line from the user. Change prompt according to node. XXX. */
	188	line_read = readline (vtysh_prompt ());
	189
4991f6ca	190	/* If the line has any text in it, save it on the history. But only if
95e735b5	191	* last command in history isn't the same one. */
718e3744	192	if (line_read && *line_read)
4991f6ca	193	{
	194	using_history();
	195	last = previous_history();
3f4ab7f9	196	if (!last \|\| strcmp (last->line, line_read) != 0) {
4991f6ca	197	add_history (line_read);
3f4ab7f9 TP	198	append_history(1,history_file);
3f4ab7f9 TP	199	}
4991f6ca	200	}
718e3744	201
	202	return (line_read);
	203	}
b094d260	204
57fb9748 SH	205	static void log_it(const char *line)
	206	{
	207	time_t t = time(NULL);
	208	struct tm *tmp = localtime(&t);
c0e8c16f	209	const char *user = getenv("USER") ? : "boot";
57fb9748 SH	210	char tod[64];
	211
	212	strftime(tod, sizeof tod, "%Y%m%d-%H:%M.%S", tmp);
	213
	214	fprintf(logfile, "%s:%s %s\n", tod, user, line);
	215	}
	216
718e3744	217	/* VTY shell main routine. */
	218	int
	219	main (int argc, char argv, char env)
	220	{
	221	char *p;
	222	int opt;
876b8be0	223	int dryrun = 0;
718e3744	224	int boot_flag = 0;
f366ad31	225	const char *daemon_name = NULL;
0846286b	226	const char *inputfile = NULL;
f366ad31 AS	227	struct cmd_rec {
	228	const char *line;
	229	struct cmd_rec *next;
	230	} *cmd = NULL;
	231	struct cmd_rec *tail = NULL;
	232	int echo_command = 0;
914131f8	233	int no_error = 0;
0846286b	234	int markfile = 0;
fba55c8a	235	char *homedir = NULL;
718e3744	236
	237	/* Preserve name of myself. */
	238	progname = ((p = strrchr (argv[0], '/')) ? ++p : argv[0]);
	239
57fb9748 SH	240	/* if logging open now */
	241	if ((p = getenv("VTYSH_LOG")) != NULL)
	242	logfile = fopen(p, "a");
	243
718e3744	244	/* Option handling. */
	245	while (1)
	246	{
0846286b	247	opt = getopt_long (argc, argv, "be:c:d:nf:mEhC", longopts, 0);
718e3744	248
	249	if (opt == EOF)
	250	break;
	251
	252	switch (opt)
	253	{
	254	case 0:
	255	break;
	256	case 'b':
	257	boot_flag = 1;
	258	break;
	259	case 'e':
4991f6ca	260	case 'c':
f366ad31 AS	261	{
	262	struct cmd_rec *cr;
	263	cr = XMALLOC(0, sizeof(*cr));
	264	cr->line = optarg;
	265	cr->next = NULL;
	266	if (tail)
	267	tail->next = cr;
	268	else
	269	cmd = cr;
	270	tail = cr;
	271	}
	272	break;
	273	case 'd':
	274	daemon_name = optarg;
	275	break;
0846286b DS	276	case 'f':
	277	inputfile = optarg;
	278	break;
	279	case 'm':
	280	markfile = 1;
	281	break;
914131f8 SH	282	case 'n':
	283	no_error = 1;
	284	break;
f366ad31 AS	285	case 'E':
f366ad31 AS	286	echo_command = 1;
718e3744	287	break;
876b8be0 PJ	288	case 'C':
	289	dryrun = 1;
	290	break;
718e3744	291	case 'h':
	292	usage (0);
	293	break;
718e3744	294	default:
	295	usage (1);
	296	break;
	297	}
	298	}
	299
	300	/* Initialize user input buffer. */
	301	line_read = NULL;
0fbd62a1	302	setlinebuf(stdout);
718e3744	303
718e3744	304	/* Signal and others. */
e42f5a37	305	vtysh_signal_init ();
718e3744	306
	307	/* Make vty structure and register commands. */
	308	vtysh_init_vty ();
	309	vtysh_init_cmd ();
	310	vtysh_user_init ();
	311	vtysh_config_init ();
	312
	313	vty_init_vtysh ();
	314
f366ad31	315	/* Read vtysh configuration file before connecting to daemons. */
0846286b DS	316	vtysh_read_config(config_default);
	317
	318	if (markfile)
	319	{
	320	if (!inputfile)
	321	{
	322	fprintf(stderr, "-f option MUST be specified with -m option\n");
	323	return(1);
	324	}
	325	return(vtysh_mark_file(inputfile));
	326	}
718e3744	327
876b8be0 PJ	328	/* Start execution only if not in dry-run mode */
876b8be0 PJ	329	if(dryrun)
0846286b DS	330	{
	331	if (inputfile)
	332	{
	333	vtysh_read_config(inputfile);
	334	}
	335	return(0);
	336	}
	337
914131f8 SH	338	/* Ignore error messages */
914131f8 SH	339	if (no_error)
7a49a5b5 DS	340	{
	341	if (freopen("/dev/null", "w", stdout) == NULL)
	342	{
	343	fprintf(stderr, "Exiting: Failed to duplicate stdout with -n option");
	344	exit(1);
	345	}
	346	}
914131f8	347
f366ad31 AS	348	/* Make sure we pass authentication before proceeding. */
	349	vtysh_auth ();
	350
	351	/* Do not connect until we have passed authentication. */
	352	if (vtysh_connect_all (daemon_name) <= 0)
	353	{
	354	fprintf(stderr, "Exiting: failed to connect to any daemons.\n");
	355	exit(1);
	356	}
	357
0846286b DS	358	if (inputfile)
	359	{
	360	vtysh_read_config(inputfile);
	361	exit(0);
	362	}
	363
fba55c8a DS	364	/*
	365	* Setup history file for use by both -c and regular input
	366	* If we can't find the home directory, then don't store
	367	* the history information
	368	*/
	369	homedir = vtysh_get_home ();
	370	if (homedir)
	371	{
	372	snprintf(history_file, sizeof(history_file), "%s/.history_quagga", homedir);
	373	if (read_history (history_file) != 0)
	374	{
	375	int fp;
	376
	377	fp = open (history_file, O_CREAT \| O_EXCL, S_IRUSR \| S_IWUSR);
	378	if (fp)
	379	close (fp);
	380
	381	read_history (history_file);
	382	}
	383	}
	384
95e735b5	385	/* If eval mode. */
f366ad31	386	if (cmd)
718e3744	387	{
f366ad31 AS	388	/* Enter into enable node. */
	389	vtysh_execute ("enable");
	390
	391	while (cmd != NULL)
	392	{
57fb9748	393	int ret;
f366ad31 AS	394	char *eol;
	395
	396	while ((eol = strchr(cmd->line, '\n')) != NULL)
	397	{
	398	*eol = '\0';
57fb9748	399
fba55c8a DS	400	add_history (cmd->line);
	401	append_history (1, history_file);
	402
f366ad31	403	if (echo_command)
57fb9748 SH	404	printf("%s%s\n", vtysh_prompt(), cmd->line);
	405
	406	if (logfile)
	407	log_it(cmd->line);
	408
	409	ret = vtysh_execute_no_pager(cmd->line);
914131f8 SH	410	if (!no_error &&
	411	! (ret == CMD_SUCCESS \|\|
	412	ret == CMD_SUCCESS_DAEMON \|\|
	413	ret == CMD_WARNING))
57fb9748 SH	414	exit(1);
57fb9748 SH	415
f366ad31 AS	416	cmd->line = eol+1;
f366ad31 AS	417	}
57fb9748	418
fba55c8a DS	419	add_history (cmd->line);
	420	append_history (1, history_file);
	421
f366ad31 AS	422	if (echo_command)
f366ad31 AS	423	printf("%s%s\n", vtysh_prompt(), cmd->line);
57fb9748 SH	424
	425	if (logfile)
	426	log_it(cmd->line);
	427
	428	ret = vtysh_execute_no_pager(cmd->line);
914131f8 SH	429	if (!no_error &&
	430	! (ret == CMD_SUCCESS \|\|
	431	ret == CMD_SUCCESS_DAEMON \|\|
	432	ret == CMD_WARNING))
57fb9748	433	exit(1);
f366ad31 AS	434
	435	{
	436	struct cmd_rec *cr;
	437	cr = cmd;
	438	cmd = cmd->next;
	439	XFREE(0, cr);
	440	}
	441	}
fba55c8a DS	442
fba55c8a DS	443	history_truncate_file(history_file,1000);
718e3744	444	exit (0);
	445	}
	446
	447	/* Boot startup configuration file. */
	448	if (boot_flag)
	449	{
e7168df4	450	if (vtysh_read_config (integrate_default))
	451	{
	452	fprintf (stderr, "Can't open configuration file [%s]\n",
	453	integrate_default);
6dbef6e7 DS	454	if (no_error)
	455	exit (0);
	456	else
	457	exit (1);
e7168df4	458	}
	459	else
	460	exit (0);
718e3744	461	}
	462
	463	vtysh_pager_init ();
	464
	465	vtysh_readline_init ();
	466
	467	vty_hello (vty);
	468
e7168df4	469	/* Enter into enable node. */
	470	vtysh_execute ("enable");
	471
718e3744	472	/* Preparation for longjmp() in sigtstp(). */
	473	sigsetjmp (jmpbuf, 1);
	474	jmpflag = 1;
	475
	476	/* Main command loop. */
	477	while (vtysh_rl_gets ())
	478	vtysh_execute (line_read);
	479
3f4ab7f9	480	history_truncate_file(history_file,1000);
718e3744	481	printf ("\n");
	482
	483	/* Rest in peace. */
	484	exit (0);
	485	}