"Specify packets to forward\n"
"A regular-expression to match the BGP AS paths\n")
{
- int idx_word = 3;
- int idx_permit_deny = 4;
+ int idx = 0;
enum as_filter_type type;
struct as_filter *asfilter;
struct as_list *aslist;
regex_t *regex;
char *regstr;
+ /* Retrieve access list name */
+ char *alname = argv_find (argv, argc, "WORD", &idx) ? argv[idx]->arg : NULL;
+
/* Check the filter type. */
- if (strncmp (argv[idx_permit_deny]->arg, "p", 1) == 0)
- type = AS_FILTER_PERMIT;
- else if (strncmp (argv[idx_permit_deny]->arg, "d", 1) == 0)
- type = AS_FILTER_DENY;
- else
- {
- vty_out (vty, "filter type must be [permit|deny]%s", VTY_NEWLINE);
- return CMD_WARNING;
- }
+ type = argv_find (argv, argc, "deny", &idx) ? AS_FILTER_DENY : AS_FILTER_PERMIT;
/* Check AS path regex. */
- regstr = argv_concat(argv, argc, idx_permit_deny);
+ argv_find (argv, argc, "LINE", &idx);
+ regstr = argv_concat(argv, argc, idx);
regex = bgp_regcomp (regstr);
if (!regex)
{
XFREE (MTYPE_TMP, regstr);
- vty_out (vty, "can't compile regexp %s%s", argv[idx_word]->arg,
- VTY_NEWLINE);
+ vty_out (vty, "can't compile regexp %s%s", regstr, VTY_NEWLINE);
return CMD_WARNING;
}
XFREE (MTYPE_TMP, regstr);
/* Install new filter to the access_list. */
- aslist = as_list_get (argv[idx_word]->arg);
+ aslist = as_list_get (alname);
/* Duplicate insertion check. */;
if (as_list_dup_check (aslist, asfilter))