[mirror_frr.git] / vtysh / vtysh_config.c

/* Configuration generator.
   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 "command.h"
#include "linklist.h"
#include "memory.h"

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

DEFINE_MGROUP(MVTYSH, "vtysh")
DEFINE_MTYPE_STATIC(MVTYSH, VTYSH_CONFIG,      "Vtysh configuration")
DEFINE_MTYPE_STATIC(MVTYSH, VTYSH_CONFIG_LINE, "Vtysh configuration line")

vector configvec;

extern int vtysh_writeconfig_integrated;

struct config
{
  /* Configuration node name. */
  char *name;

  /* Configuration string line. */
  struct list *line;

  /* Configuration can be nest. */
  struct config *config;

  /* Index of this config. */
  u_int32_t index;
};

struct list *config_top;

static int
line_cmp (char *c1, char *c2)
{
  return strcmp (c1, c2);
}

static void
line_del (char *line)
{
  XFREE (MTYPE_VTYSH_CONFIG_LINE, line);
}

static struct config *
config_new (void)
{
  struct config *config;
  config = XCALLOC (MTYPE_VTYSH_CONFIG, sizeof (struct config));
  return config;
}

static int
config_cmp (struct config *c1, struct config *c2)
{
  return strcmp (c1->name, c2->name);
}

static void
config_del (struct config* config)
{
  list_delete (config->line);
  if (config->name)
    XFREE (MTYPE_VTYSH_CONFIG_LINE, config->name);
  XFREE (MTYPE_VTYSH_CONFIG, config);
}

static struct config *
config_get (int index, const char *line)
{
  struct config *config;
  struct config *config_loop;
  struct list *master;
  struct listnode *node, *nnode;

  config = config_loop = NULL;

  master = vector_lookup_ensure (configvec, index);

  if (! master)
    {
      master = list_new ();
      master->del = (void (*) (void *))config_del;
      master->cmp = (int (*)(void *, void *)) config_cmp;
      vector_set_index (configvec, index, master);
    }
  
  for (ALL_LIST_ELEMENTS (master, node, nnode, config_loop))
    {
      if (strcmp (config_loop->name, line) == 0)
	config = config_loop;
    }

  if (! config)
    {
      config = config_new ();
      config->line = list_new ();
      config->line->del = (void (*) (void *))line_del;
      config->line->cmp = (int (*)(void *, void *)) line_cmp;
      config->name = XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line);
      config->index = index;
      listnode_add (master, config);
    }
  return config;
}

void
config_add_line (struct list *config, const char *line)
{
  listnode_add (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
}

static void
config_add_line_uniq (struct list *config, const char *line)
{
  struct listnode *node, *nnode;
  char *pnt;

  for (ALL_LIST_ELEMENTS (config, node, nnode, pnt))
    {
      if (strcmp (pnt, line) == 0)
	return;
    }
  listnode_add_sort (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
}

static void
vtysh_config_parse_line (const char *line)
{
  char c;
  static struct config *config = NULL;

  if (! line)
    return;

  c = line[0];

  if (c == '\0')
    return;

  /* printf ("[%s]\n", line); */

  switch (c)
    {
    /* Suppress exclamation points ! and commented lines. The !s are generated
     * dynamically in vtysh_config_dump() */
    case '!':
    case '#':
      break;
    case ' ':
      /* Store line to current configuration. */
      if (config)
	{
	  if (config->index == RMAP_NODE ||
	           config->index == INTERFACE_NODE ||
		   config->index == NS_NODE ||
	           config->index == VRF_NODE ||
		   config->index == VTY_NODE)
	    config_add_line_uniq (config->line, line);
	  else
	    config_add_line (config->line, line);
	}
      else
	config_add_line (config_top, line);
      break;
    default:
      if (strncmp (line, "interface", strlen ("interface")) == 0)
	config = config_get (INTERFACE_NODE, line);
      else if (strncmp (line, "logical-router", strlen ("ns")) == 0)
	config = config_get (NS_NODE, line);
      else if (strncmp (line, "vrf", strlen ("vrf")) == 0)
	config = config_get (VRF_NODE, line);
      else if (strncmp (line, "router-id", strlen ("router-id")) == 0)
	config = config_get (ZEBRA_NODE, line);
      else if (strncmp (line, "router rip", strlen ("router rip")) == 0)
	config = config_get (RIP_NODE, line);
      else if (strncmp (line, "router ripng", strlen ("router ripng")) == 0)
	config = config_get (RIPNG_NODE, line);
      else if (strncmp (line, "router ospf", strlen ("router ospf")) == 0)
	config = config_get (OSPF_NODE, line);
      else if (strncmp (line, "router ospf6", strlen ("router ospf6")) == 0)
	config = config_get (OSPF6_NODE, line);
      else if (strncmp (line, "router bgp", strlen ("router bgp")) == 0)
	config = config_get (BGP_NODE, line);
      else if (strncmp (line, "router isis", strlen ("router isis")) == 0)
  	config = config_get (ISIS_NODE, line);
      else if (strncmp (line, "route-map", strlen ("route-map")) == 0)
	config = config_get (RMAP_NODE, line);
      else if (strncmp (line, "access-list", strlen ("access-list")) == 0)
	config = config_get (ACCESS_NODE, line);
      else if (strncmp (line, "ipv6 access-list",
	       strlen ("ipv6 access-list")) == 0)
	config = config_get (ACCESS_IPV6_NODE, line);
      else if (strncmp (line, "ip prefix-list",
	       strlen ("ip prefix-list")) == 0)
	config = config_get (PREFIX_NODE, line);
      else if (strncmp (line, "ipv6 prefix-list",
	       strlen ("ipv6 prefix-list")) == 0)
	config = config_get (PREFIX_IPV6_NODE, line);
      else if (strncmp (line, "ip as-path access-list",
	       strlen ("ip as-path access-list")) == 0)
	config = config_get (AS_LIST_NODE, line);
      else if (strncmp (line, "ip community-list", strlen ("ip community-list")) == 0 ||
               strncmp (line, "ip extcommunity-list", strlen ("ip extcommunity-list")) == 0)
	config = config_get (COMMUNITY_LIST_NODE, line);
      else if (strncmp (line, "ip route", strlen ("ip route")) == 0)
	config = config_get (IP_NODE, line);
      else if (strncmp (line, "ipv6 route", strlen ("ipv6 route")) == 0)
   	config = config_get (IP_NODE, line);
      else if (strncmp (line, "key", strlen ("key")) == 0)
	config = config_get (KEYCHAIN_NODE, line);
      else if (strncmp (line, "line", strlen ("line")) == 0)
	config = config_get (VTY_NODE, line);
      else if ( (strncmp (line, "ipv6 forwarding",
		 strlen ("ipv6 forwarding")) == 0)
	       || (strncmp (line, "ip forwarding",
		   strlen ("ip forwarding")) == 0) )
	config = config_get (FORWARDING_NODE, line);
      else if (strncmp (line, "service", strlen ("service")) == 0)
	config = config_get (SERVICE_NODE, line);
      else if (strncmp (line, "debug vrf", strlen ("debug vrf")) == 0)
	config = config_get (VRF_DEBUG_NODE, line);
      else if (strncmp (line, "debug", strlen ("debug")) == 0)
	config = config_get (DEBUG_NODE, line);
      else if (strncmp (line, "password", strlen ("password")) == 0
	       || strncmp (line, "enable password",
			   strlen ("enable password")) == 0)
	config = config_get (AAA_NODE, line);
      else if (strncmp (line, "ip protocol", strlen ("ip protocol")) == 0)
	config = config_get (PROTOCOL_NODE, line);
      else if (strncmp (line, "ipv6 protocol", strlen ("ipv6 protocol")) == 0)
	config = config_get (PROTOCOL_NODE, line);
      else if (strncmp (line, "ip nht", strlen ("ip nht")) == 0)
	config = config_get (PROTOCOL_NODE, line);
      else if (strncmp (line, "ipv6 nht", strlen ("ipv6 nht")) == 0)
	config = config_get (PROTOCOL_NODE, line);
      else
	{
	  if (strncmp (line, "log", strlen ("log")) == 0
	      || strncmp (line, "hostname", strlen ("hostname")) == 0
	     )
	    config_add_line_uniq (config_top, line);
	  else
	    config_add_line (config_top, line);
	  config = NULL;
	}
      break;
    }
}

void
vtysh_config_parse (char *line)
{
  char *begin;
  char *pnt;
  
  begin = pnt = line;

  while (*pnt != '\0')
    {
      if (*pnt == '\n')
	{
	  *pnt++ = '\0';
	  vtysh_config_parse_line (begin);
	  begin = pnt;
	}
      else
	{
	  pnt++;
	}
    }
}

/* Macro to check delimiter is needed between each configuration line
 * or not. */
#define NO_DELIMITER(I)  \
  ((I) == ACCESS_NODE || (I) == PREFIX_NODE || (I) == IP_NODE \
   || (I) == AS_LIST_NODE || (I) == COMMUNITY_LIST_NODE || \
   (I) == ACCESS_IPV6_NODE || (I) == PREFIX_IPV6_NODE \
   || (I) == SERVICE_NODE || (I) == FORWARDING_NODE || (I) == DEBUG_NODE \
   || (I) == AAA_NODE || (I) == VRF_DEBUG_NODE)

/* Display configuration to file pointer. */
void
vtysh_config_dump (FILE *fp)
{
  struct listnode *node, *nnode;
  struct listnode *mnode, *mnnode;
  struct config *config;
  struct list *master;
  char *line;
  unsigned int i;

  for (ALL_LIST_ELEMENTS (config_top, node, nnode, line))
    {
      fprintf (fp, "%s\n", line);
      fflush (fp);
    }
  fprintf (fp, "!\n");
  fflush (fp);

  for (i = 0; i < vector_active (configvec); i++)
    if ((master = vector_slot (configvec, i)) != NULL)
      {
	for (ALL_LIST_ELEMENTS (master, node, nnode, config))
    {
      /* Don't print empty sections for interface/vrf. Route maps on the
       * other hand could have a legitimate empty section at the end.
       */
      if ((config->index == INTERFACE_NODE || (config->index == VRF_NODE))
          && list_isempty (config->line))
        continue;

	    fprintf (fp, "%s\n", config->name);
	    fflush (fp);

	    for (ALL_LIST_ELEMENTS (config->line, mnode, mnnode, line))
	      {
		fprintf  (fp, "%s\n", line);
		fflush (fp);
	      }
	    if (! NO_DELIMITER (i))
	      {
		fprintf (fp, "!\n");
		fflush (fp);
	      }
	  }
	if (NO_DELIMITER (i))
	  {
	    fprintf (fp, "!\n");
	    fflush (fp);
	  }
      }

  for (i = 0; i < vector_active (configvec); i++)
    if ((master = vector_slot (configvec, i)) != NULL)
      {
	list_delete (master);
	vector_slot (configvec, i) = NULL;
      }
  list_delete_all_node (config_top);
}

/* Read up configuration file from file_name. */
static int
vtysh_read_file (FILE *confp)
{
  struct vty *vty;
  int ret;

  vty = vty_new ();
  vty->fd = 0;			/* stdout */
  vty->type = VTY_TERM;
  vty->node = CONFIG_NODE;
  
  vtysh_execute_no_pager ("enable");
  vtysh_execute_no_pager ("configure terminal");

  /* Execute configuration file. */
  ret = vtysh_config_from_file (vty, confp);

  vtysh_execute_no_pager ("end");
  vtysh_execute_no_pager ("disable");

  vty_close (vty);

  return (ret);
}

/* Read up configuration file from config_default_dir. */
int
vtysh_read_config (const char *config_default_dir)
{
  FILE *confp = NULL;
  int ret;

  host_config_set (config_default_dir);
  confp = fopen (config_default_dir, "r");
  if (confp == NULL)
    {
      fprintf (stderr, "%% Can't open configuration file %s due to '%s'.\n",
               config_default_dir, safe_strerror (errno));
      return (CMD_ERR_NO_FILE);
    }

  ret = vtysh_read_file (confp);
  fclose (confp);

  return (ret);
}

/* We don't write vtysh specific into file from vtysh. vtysh.conf should
 * be edited by hand. So, we handle only "write terminal" case here and
 * integrate vtysh specific conf with conf from daemons.
 */
void
vtysh_config_write ()
{
  char line[81];
  extern struct host host;

  if (host.name)
    {
      sprintf (line, "hostname %s", host.name);
      vtysh_config_parse_line(line);
    }
  if (!vtysh_writeconfig_integrated)
    vtysh_config_parse_line ("no service integrated-vtysh-config");

  user_config_write ();
}

void
vtysh_config_init ()
{
  config_top = list_new ();
  config_top->del = (void (*) (void *))line_del;
  configvec = vector_init (1);
}
Commit	Line	Data
718e3744	1	/* Configuration generator.
	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	#include <zebra.h>
	22
	23	#include "command.h"
	24	#include "linklist.h"
	25	#include "memory.h"
	26
	27	#include "vtysh/vtysh.h"
88177fe3	28	#include "vtysh/vtysh_user.h"
718e3744	29
4a1ab8e4 DL	30	DEFINE_MGROUP(MVTYSH, "vtysh")
	31	DEFINE_MTYPE_STATIC(MVTYSH, VTYSH_CONFIG, "Vtysh configuration")
	32	DEFINE_MTYPE_STATIC(MVTYSH, VTYSH_CONFIG_LINE, "Vtysh configuration line")
	33
718e3744	34	vector configvec;
718e3744	35
e7168df4	36	extern int vtysh_writeconfig_integrated;
e7168df4	37
718e3744	38	struct config
	39	{
	40	/* Configuration node name. */
	41	char *name;
	42
	43	/* Configuration string line. */
	44	struct list *line;
	45
	46	/* Configuration can be nest. */
	47	struct config *config;
	48
	49	/* Index of this config. */
	50	u_int32_t index;
	51	};
	52
	53	struct list *config_top;
95e735b5	54
4201dd11	55	static int
718e3744	56	line_cmp (char c1, char c2)
	57	{
	58	return strcmp (c1, c2);
	59	}
	60
4201dd11	61	static void
718e3744	62	line_del (char *line)
	63	{
	64	XFREE (MTYPE_VTYSH_CONFIG_LINE, line);
	65	}
	66
4201dd11	67	static struct config *
35dece84	68	config_new (void)
718e3744	69	{
	70	struct config *config;
	71	config = XCALLOC (MTYPE_VTYSH_CONFIG, sizeof (struct config));
	72	return config;
	73	}
	74
4201dd11	75	static int
718e3744	76	config_cmp (struct config c1, struct config c2)
	77	{
	78	return strcmp (c1->name, c2->name);
	79	}
	80
4201dd11	81	static void
718e3744	82	config_del (struct config* config)
	83	{
	84	list_delete (config->line);
	85	if (config->name)
	86	XFREE (MTYPE_VTYSH_CONFIG_LINE, config->name);
	87	XFREE (MTYPE_VTYSH_CONFIG, config);
	88	}
	89
4201dd11	90	static struct config *
dda09522	91	config_get (int index, const char *line)
718e3744	92	{
	93	struct config *config;
	94	struct config *config_loop;
	95	struct list *master;
1eb8ef25	96	struct listnode node, nnode;
718e3744	97
	98	config = config_loop = NULL;
	99
	100	master = vector_lookup_ensure (configvec, index);
	101
	102	if (! master)
	103	{
	104	master = list_new ();
	105	master->del = (void () (void ))config_del;
	106	master->cmp = (int ()(void , void *)) config_cmp;
	107	vector_set_index (configvec, index, master);
	108	}
	109
1eb8ef25	110	for (ALL_LIST_ELEMENTS (master, node, nnode, config_loop))
718e3744	111	{
	112	if (strcmp (config_loop->name, line) == 0)
	113	config = config_loop;
	114	}
	115
	116	if (! config)
	117	{
	118	config = config_new ();
	119	config->line = list_new ();
	120	config->line->del = (void () (void ))line_del;
	121	config->line->cmp = (int ()(void , void *)) line_cmp;
	122	config->name = XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line);
	123	config->index = index;
	124	listnode_add (master, config);
	125	}
	126	return config;
	127	}
	128
	129	void
dda09522	130	config_add_line (struct list config, const char line)
718e3744	131	{
	132	listnode_add (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
	133	}
	134
4201dd11	135	static void
dda09522	136	config_add_line_uniq (struct list config, const char line)
718e3744	137	{
1eb8ef25	138	struct listnode node, nnode;
718e3744	139	char *pnt;
718e3744	140
1eb8ef25	141	for (ALL_LIST_ELEMENTS (config, node, nnode, pnt))
718e3744	142	{
	143	if (strcmp (pnt, line) == 0)
	144	return;
	145	}
	146	listnode_add_sort (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
	147	}
	148
4201dd11	149	static void
dda09522	150	vtysh_config_parse_line (const char *line)
718e3744	151	{
	152	char c;
	153	static struct config *config = NULL;
	154
	155	if (! line)
	156	return;
	157
	158	c = line[0];
	159
	160	if (c == '\0')
	161	return;
	162
	163	/* printf ("[%s]\n", line); */
	164
	165	switch (c)
	166	{
0b960b4d DW	167	/* Suppress exclamation points ! and commented lines. The !s are generated
0b960b4d DW	168	* dynamically in vtysh_config_dump() */
718e3744	169	case '!':
	170	case '#':
	171	break;
	172	case ' ':
	173	/* Store line to current configuration. */
	174	if (config)
	175	{
e9d94ea7	176	if (config->index == RMAP_NODE \|\|
e7168df4	177	config->index == INTERFACE_NODE \|\|
13460c44	178	config->index == NS_NODE \|\|
e9d94ea7	179	config->index == VRF_NODE \|\|
e7168df4	180	config->index == VTY_NODE)
718e3744	181	config_add_line_uniq (config->line, line);
	182	else
	183	config_add_line (config->line, line);
	184	}
	185	else
	186	config_add_line (config_top, line);
	187	break;
	188	default:
	189	if (strncmp (line, "interface", strlen ("interface")) == 0)
	190	config = config_get (INTERFACE_NODE, line);
c253dcb5	191	else if (strncmp (line, "logical-router", strlen ("ns")) == 0)
13460c44	192	config = config_get (NS_NODE, line);
e9d94ea7 DS	193	else if (strncmp (line, "vrf", strlen ("vrf")) == 0)
e9d94ea7 DS	194	config = config_get (VRF_NODE, line);
dfbb9124	195	else if (strncmp (line, "router-id", strlen ("router-id")) == 0)
dfbb9124	196	config = config_get (ZEBRA_NODE, line);
718e3744	197	else if (strncmp (line, "router rip", strlen ("router rip")) == 0)
718e3744	198	config = config_get (RIP_NODE, line);
97e1c4dc	199	else if (strncmp (line, "router ripng", strlen ("router ripng")) == 0)
b094d260	200	config = config_get (RIPNG_NODE, line);
718e3744	201	else if (strncmp (line, "router ospf", strlen ("router ospf")) == 0)
b094d260	202	config = config_get (OSPF_NODE, line);
97e1c4dc	203	else if (strncmp (line, "router ospf6", strlen ("router ospf6")) == 0)
b094d260	204	config = config_get (OSPF6_NODE, line);
718e3744	205	else if (strncmp (line, "router bgp", strlen ("router bgp")) == 0)
718e3744	206	config = config_get (BGP_NODE, line);
13b8baad	207	else if (strncmp (line, "router isis", strlen ("router isis")) == 0)
c25e458a	208	config = config_get (ISIS_NODE, line);
718e3744	209	else if (strncmp (line, "route-map", strlen ("route-map")) == 0)
	210	config = config_get (RMAP_NODE, line);
	211	else if (strncmp (line, "access-list", strlen ("access-list")) == 0)
	212	config = config_get (ACCESS_NODE, line);
95e735b5	213	else if (strncmp (line, "ipv6 access-list",
95e735b5	214	strlen ("ipv6 access-list")) == 0)
b094d260	215	config = config_get (ACCESS_IPV6_NODE, line);
95e735b5	216	else if (strncmp (line, "ip prefix-list",
95e735b5	217	strlen ("ip prefix-list")) == 0)
718e3744	218	config = config_get (PREFIX_NODE, line);
95e735b5	219	else if (strncmp (line, "ipv6 prefix-list",
95e735b5	220	strlen ("ipv6 prefix-list")) == 0)
b094d260	221	config = config_get (PREFIX_IPV6_NODE, line);
95e735b5	222	else if (strncmp (line, "ip as-path access-list",
95e735b5	223	strlen ("ip as-path access-list")) == 0)
718e3744	224	config = config_get (AS_LIST_NODE, line);
eb2674af DW	225	else if (strncmp (line, "ip community-list", strlen ("ip community-list")) == 0 \|\|
eb2674af DW	226	strncmp (line, "ip extcommunity-list", strlen ("ip extcommunity-list")) == 0)
718e3744	227	config = config_get (COMMUNITY_LIST_NODE, line);
	228	else if (strncmp (line, "ip route", strlen ("ip route")) == 0)
	229	config = config_get (IP_NODE, line);
97e1c4dc	230	else if (strncmp (line, "ipv6 route", strlen ("ipv6 route")) == 0)
97e1c4dc	231	config = config_get (IP_NODE, line);
718e3744	232	else if (strncmp (line, "key", strlen ("key")) == 0)
718e3744	233	config = config_get (KEYCHAIN_NODE, line);
e7168df4	234	else if (strncmp (line, "line", strlen ("line")) == 0)
	235	config = config_get (VTY_NODE, line);
	236	else if ( (strncmp (line, "ipv6 forwarding",
	237	strlen ("ipv6 forwarding")) == 0)
	238	\|\| (strncmp (line, "ip forwarding",
	239	strlen ("ip forwarding")) == 0) )
	240	config = config_get (FORWARDING_NODE, line);
	241	else if (strncmp (line, "service", strlen ("service")) == 0)
	242	config = config_get (SERVICE_NODE, line);
19dc275e DS	243	else if (strncmp (line, "debug vrf", strlen ("debug vrf")) == 0)
19dc275e DS	244	config = config_get (VRF_DEBUG_NODE, line);
dfbb9124	245	else if (strncmp (line, "debug", strlen ("debug")) == 0)
dfbb9124	246	config = config_get (DEBUG_NODE, line);
060d438c	247	else if (strncmp (line, "password", strlen ("password")) == 0
	248	\|\| strncmp (line, "enable password",
	249	strlen ("enable password")) == 0)
	250	config = config_get (AAA_NODE, line);
6e79f8bb CC	251	else if (strncmp (line, "ip protocol", strlen ("ip protocol")) == 0)
6e79f8bb CC	252	config = config_get (PROTOCOL_NODE, line);
80b55c57	253	else if (strncmp (line, "ipv6 protocol", strlen ("ipv6 protocol")) == 0)
	254	config = config_get (PROTOCOL_NODE, line);
	255	else if (strncmp (line, "ip nht", strlen ("ip nht")) == 0)
	256	config = config_get (PROTOCOL_NODE, line);
	257	else if (strncmp (line, "ipv6 nht", strlen ("ipv6 nht")) == 0)
	258	config = config_get (PROTOCOL_NODE, line);
718e3744	259	else
	260	{
	261	if (strncmp (line, "log", strlen ("log")) == 0
	262	\|\| strncmp (line, "hostname", strlen ("hostname")) == 0
e7168df4	263	)
718e3744	264	config_add_line_uniq (config_top, line);
	265	else
	266	config_add_line (config_top, line);
	267	config = NULL;
	268	}
	269	break;
	270	}
	271	}
	272
	273	void
	274	vtysh_config_parse (char *line)
	275	{
	276	char *begin;
	277	char *pnt;
	278
	279	begin = pnt = line;
	280
	281	while (*pnt != '\0')
	282	{
	283	if (*pnt == '\n')
	284	{
	285	*pnt++ = '\0';
	286	vtysh_config_parse_line (begin);
	287	begin = pnt;
	288	}
	289	else
	290	{
	291	pnt++;
	292	}
	293	}
	294	}
	295
	296	/* Macro to check delimiter is needed between each configuration line
95e735b5	297	* or not. */
718e3744	298	#define NO_DELIMITER(I) \
718e3744	299	((I) == ACCESS_NODE \|\| (I) == PREFIX_NODE \|\| (I) == IP_NODE \
97e1c4dc	300	\|\| (I) == AS_LIST_NODE \|\| (I) == COMMUNITY_LIST_NODE \|\| \
e7168df4	301	(I) == ACCESS_IPV6_NODE \|\| (I) == PREFIX_IPV6_NODE \
060d438c	302	\|\| (I) == SERVICE_NODE \|\| (I) == FORWARDING_NODE \|\| (I) == DEBUG_NODE \
19dc275e	303	\|\| (I) == AAA_NODE \|\| (I) == VRF_DEBUG_NODE)
718e3744	304
95e735b5	305	/* Display configuration to file pointer. */
718e3744	306	void
	307	vtysh_config_dump (FILE *fp)
	308	{
1eb8ef25	309	struct listnode node, nnode;
1eb8ef25	310	struct listnode mnode, mnnode;
718e3744	311	struct config *config;
	312	struct list *master;
	313	char *line;
dda09522	314	unsigned int i;
718e3744	315
1eb8ef25	316	for (ALL_LIST_ELEMENTS (config_top, node, nnode, line))
718e3744	317	{
	318	fprintf (fp, "%s\n", line);
	319	fflush (fp);
	320	}
	321	fprintf (fp, "!\n");
	322	fflush (fp);
	323
55468c86	324	for (i = 0; i < vector_active (configvec); i++)
718e3744	325	if ((master = vector_slot (configvec, i)) != NULL)
718e3744	326	{
1eb8ef25	327	for (ALL_LIST_ELEMENTS (master, node, nnode, config))
5be7afc8 DD	328	{
	329	/* Don't print empty sections for interface/vrf. Route maps on the
	330	* other hand could have a legitimate empty section at the end.
	331	*/
	332	if ((config->index == INTERFACE_NODE \|\| (config->index == VRF_NODE))
	333	&& list_isempty (config->line))
	334	continue;
	335
718e3744	336	fprintf (fp, "%s\n", config->name);
b094d260	337	fflush (fp);
718e3744	338
1eb8ef25	339	for (ALL_LIST_ELEMENTS (config->line, mnode, mnnode, line))
718e3744	340	{
	341	fprintf (fp, "%s\n", line);
	342	fflush (fp);
	343	}
	344	if (! NO_DELIMITER (i))
	345	{
	346	fprintf (fp, "!\n");
	347	fflush (fp);
	348	}
	349	}
	350	if (NO_DELIMITER (i))
	351	{
	352	fprintf (fp, "!\n");
	353	fflush (fp);
	354	}
	355	}
	356
55468c86	357	for (i = 0; i < vector_active (configvec); i++)
718e3744	358	if ((master = vector_slot (configvec, i)) != NULL)
	359	{
	360	list_delete (master);
	361	vector_slot (configvec, i) = NULL;
	362	}
	363	list_delete_all_node (config_top);
	364	}
	365
	366	/* Read up configuration file from file_name. */
3221dca8	367	static int
718e3744	368	vtysh_read_file (FILE *confp)
718e3744	369	{
718e3744	370	struct vty *vty;
3221dca8	371	int ret;
718e3744	372
	373	vty = vty_new ();
	374	vty->fd = 0; /* stdout */
	375	vty->type = VTY_TERM;
	376	vty->node = CONFIG_NODE;
	377
	378	vtysh_execute_no_pager ("enable");
	379	vtysh_execute_no_pager ("configure terminal");
	380
95e735b5	381	/* Execute configuration file. */
3221dca8	382	ret = vtysh_config_from_file (vty, confp);
718e3744	383
	384	vtysh_execute_no_pager ("end");
	385	vtysh_execute_no_pager ("disable");
	386
	387	vty_close (vty);
3221dca8 DS	388
3221dca8 DS	389	return (ret);
718e3744	390	}
718e3744	391
e7168df4	392	/* Read up configuration file from config_default_dir. */
e7168df4	393	int
c0e8c16f	394	vtysh_read_config (const char *config_default_dir)
718e3744	395	{
718e3744	396	FILE *confp = NULL;
3221dca8	397	int ret;
718e3744	398
e4421165	399	host_config_set (config_default_dir);
e7168df4	400	confp = fopen (config_default_dir, "r");
e7168df4	401	if (confp == NULL)
1db63918 DS	402	{
	403	fprintf (stderr, "%% Can't open configuration file %s due to '%s'.\n",
	404	config_default_dir, safe_strerror (errno));
	405	return (CMD_ERR_NO_FILE);
	406	}
67e29abc	407
3221dca8	408	ret = vtysh_read_file (confp);
718e3744	409	fclose (confp);
718e3744	410
3221dca8	411	return (ret);
718e3744	412	}
718e3744	413
e7168df4	414	/* We don't write vtysh specific into file from vtysh. vtysh.conf should
	415	* be edited by hand. So, we handle only "write terminal" case here and
	416	* integrate vtysh specific conf with conf from daemons.
	417	*/
718e3744	418	void
e7168df4	419	vtysh_config_write ()
718e3744	420	{
dda09522	421	char line[81];
718e3744	422	extern struct host host;
	423
	424	if (host.name)
e7168df4	425	{
	426	sprintf (line, "hostname %s", host.name);
	427	vtysh_config_parse_line(line);
	428	}
f013eacd DD	429	if (!vtysh_writeconfig_integrated)
f013eacd DD	430	vtysh_config_parse_line ("no service integrated-vtysh-config");
a7222276 DS	431
a7222276 DS	432	user_config_write ();
718e3744	433	}
	434
	435	void
	436	vtysh_config_init ()
	437	{
	438	config_top = list_new ();
	439	config_top->del = (void () (void ))line_del;
	440	configvec = vector_init (1);
	441	}