Initial revision
diff --git a/vtysh/vtysh_config.c b/vtysh/vtysh_config.c
new file mode 100644
index 0000000..b9c9ad6
--- /dev/null
+++ b/vtysh/vtysh_config.c
@@ -0,0 +1,426 @@
+/* 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"
+
+vector configvec;
+
+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;
+
+int
+line_cmp (char *c1, char *c2)
+{
+ return strcmp (c1, c2);
+}
+
+void
+line_del (char *line)
+{
+ XFREE (MTYPE_VTYSH_CONFIG_LINE, line);
+}
+
+struct config *
+config_new ()
+{
+ struct config *config;
+ config = XCALLOC (MTYPE_VTYSH_CONFIG, sizeof (struct config));
+ return config;
+}
+
+int
+config_cmp (struct config *c1, struct config *c2)
+{
+ return strcmp (c1->name, c2->name);
+}
+
+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);
+}
+
+struct config *
+config_get (int index, char *line)
+{
+ struct config *config;
+ struct config *config_loop;
+ struct list *master;
+ struct listnode *nn;
+
+ 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);
+ }
+
+ LIST_LOOP (master, config_loop, nn)
+ {
+ 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, char *line)
+{
+ listnode_add (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
+}
+
+void
+config_add_line_uniq (struct list *config, char *line)
+{
+ struct listnode *nn;
+ char *pnt;
+
+ LIST_LOOP (config, pnt, nn)
+ {
+ if (strcmp (pnt, line) == 0)
+ return;
+ }
+ listnode_add_sort (config, XSTRDUP (MTYPE_VTYSH_CONFIG_LINE, line));
+}
+
+void
+vtysh_config_parse_line (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)
+ {
+ case '!':
+ case '#':
+ break;
+ case ' ':
+ /* Store line to current configuration. */
+ if (config)
+ {
+ if (strncmp (line, " address-family vpnv4", strlen (" address-family vpnv4")) == 0)
+ config = config_get (BGP_VPNV4_NODE, line);
+ else if (strncmp (line, " address-family ipv4 multicast", strlen (" address-family ipv4 multicast")) == 0)
+ config = config_get (BGP_IPV4M_NODE, line);
+ else if (strncmp (line, " address-family ipv6", strlen (" address-family ipv6")) == 0)
+ config = config_get (BGP_IPV6_NODE, line);
+ else if (config->index == RMAP_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, "router rip", strlen ("router rip")) == 0)
+ config = config_get (RIP_NODE, line);
+ else if (strncmp (line, "router ospf", strlen ("router ospf")) == 0)
+ config = config_get (OSPF_NODE, line);
+ else if (strncmp (line, "router bgp", strlen ("router bgp")) == 0)
+ config = config_get (BGP_NODE, line);
+ else if (strncmp (line, "router", strlen ("router")) == 0)
+ config = config_get (BGP_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, "ip prefix-list", strlen ("ip prefix-list")) == 0)
+ config = config_get (PREFIX_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)
+ 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, "key", strlen ("key")) == 0)
+ config = config_get (KEYCHAIN_NODE, line);
+ else
+ {
+ if (strncmp (line, "log", strlen ("log")) == 0
+ || strncmp (line, "hostname", strlen ("hostname")) == 0
+ || strncmp (line, "password", 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)
+
+/* Display configuration to file pointer. */
+void
+vtysh_config_dump (FILE *fp)
+{
+ struct listnode *nn;
+ struct listnode *nm;
+ struct config *config;
+ struct list *master;
+ char *line;
+ int i;
+
+ LIST_LOOP (config_top, line, nn)
+ {
+ fprintf (fp, "%s\n", line);
+ fflush (fp);
+ }
+ fprintf (fp, "!\n");
+ fflush (fp);
+
+ for (i = 0; i < vector_max (configvec); i++)
+ if ((master = vector_slot (configvec, i)) != NULL)
+ {
+ LIST_LOOP (master, config, nn)
+ {
+ fprintf (fp, "%s\n", config->name);
+ fflush (fp);
+
+ LIST_LOOP (config->line, line, nm)
+ {
+ 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_max (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 void
+vtysh_read_file (FILE *confp)
+{
+ int ret;
+ struct vty *vty;
+
+ 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);
+
+ if (ret != CMD_SUCCESS)
+ {
+ switch (ret)
+ {
+ case CMD_ERR_AMBIGUOUS:
+ fprintf (stderr, "Ambiguous command.\n");
+ break;
+ case CMD_ERR_NO_MATCH:
+ fprintf (stderr, "There is no such command.\n");
+ break;
+ }
+ fprintf (stderr, "Error occured during reading below line.\n%s\n",
+ vty->buf);
+ exit (1);
+ }
+}
+
+/* Read up configuration file from file_name. */
+void
+vtysh_read_config (char *config_file,
+ char *config_current_dir,
+ char *config_default_dir)
+{
+ char *cwd;
+ FILE *confp = NULL;
+ char *fullpath;
+
+ /* If -f flag specified. */
+ if (config_file != NULL)
+ {
+ if (! IS_DIRECTORY_SEP (config_file[0]))
+ {
+ cwd = getcwd (NULL, MAXPATHLEN);
+ fullpath = XMALLOC (MTYPE_TMP,
+ strlen (cwd) + strlen (config_file) + 2);
+ sprintf (fullpath, "%s/%s", cwd, config_file);
+ }
+ else
+ fullpath = config_file;
+
+ confp = fopen (fullpath, "r");
+
+ if (confp == NULL)
+ {
+ fprintf (stderr, "can't open configuration file [%s]\n",
+ config_file);
+ exit(1);
+ }
+ }
+ else
+ {
+ /* Relative path configuration file open. */
+ if (config_current_dir)
+ confp = fopen (config_current_dir, "r");
+
+ /* If there is no relative path exists, open system default file. */
+ if (confp == NULL)
+ {
+ confp = fopen (config_default_dir, "r");
+ if (confp == NULL)
+ {
+ fprintf (stderr, "can't open configuration file [%s]\n",
+ config_default_dir);
+ exit (1);
+ }
+ else
+ fullpath = config_default_dir;
+ }
+ else
+ {
+ /* Rleative path configuration file. */
+ cwd = getcwd (NULL, MAXPATHLEN);
+ fullpath = XMALLOC (MTYPE_TMP,
+ strlen (cwd) + strlen (config_current_dir) + 2);
+ sprintf (fullpath, "%s/%s", cwd, config_current_dir);
+ }
+ }
+ vtysh_read_file (confp);
+
+ fclose (confp);
+
+ host_config_set (fullpath);
+}
+
+void
+vtysh_config_write (FILE *fp)
+{
+ extern struct host host;
+
+ if (host.name)
+ fprintf (fp, "hostname %s\n", host.name);
+ fprintf (fp, "!\n");
+}
+
+void
+vtysh_config_init ()
+{
+ config_top = list_new ();
+ config_top->del = (void (*) (void *))line_del;
+ configvec = vector_init (1);
+}