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#include <zebra.h>
#include "memory.h"
#include "command_match.h"
enum match_type
match_command (struct graph_node *start, enum filter_type filter, const char *input)
{
// match input on DFA
return exact_match;
}
#define IPV4_ADDR_STR "0123456789."
#define IPV4_PREFIX_STR "0123456789./"
enum match_type
cmd_ipv4_match (const char *str)
{
struct sockaddr_in sin_dummy;
if (str == NULL)
return partly_match;
if (strspn (str, IPV4_ADDR_STR) != strlen (str))
return no_match;
if (inet_pton(AF_INET, str, &sin_dummy.sin_addr) != 1)
return no_match;
return exact_match;
}
enum match_type
cmd_ipv4_prefix_match (const char *str)
{
struct sockaddr_in sin_dummy;
const char *delim = "/\0";
char *dupe, *prefix, *mask, *context, *endptr;
int nmask = -1;
if (str == NULL)
return partly_match;
if (strspn (str, IPV4_PREFIX_STR) != strlen (str))
return no_match;
/* tokenize to address + mask */
dupe = XMALLOC(MTYPE_TMP, strlen(str)+1);
strncpy(dupe, str, strlen(str)+1);
prefix = strtok_r(dupe, delim, &context);
mask = strtok_r(NULL, delim, &context);
if (!mask)
return partly_match;
/* validate prefix */
if (inet_pton(AF_INET, prefix, &sin_dummy.sin_addr) != 1)
return no_match;
/* validate mask */
nmask = strtol (mask, &endptr, 10);
if (*endptr != '\0' || nmask < 0 || nmask > 32)
return no_match;
XFREE(MTYPE_TMP, dupe);
return exact_match;
}
#define IPV6_ADDR_STR "0123456789abcdefABCDEF:."
#define IPV6_PREFIX_STR "0123456789abcdefABCDEF:./"
#ifdef HAVE_IPV6
enum match_type
cmd_ipv6_match (const char *str)
{
struct sockaddr_in6 sin6_dummy;
int ret;
if (str == NULL)
return partly_match;
if (strspn (str, IPV6_ADDR_STR) != strlen (str))
return no_match;
ret = inet_pton(AF_INET6, str, &sin6_dummy.sin6_addr);
if (ret == 1)
return exact_match;
return no_match;
}
enum match_type
cmd_ipv6_prefix_match (const char *str)
{
struct sockaddr_in6 sin6_dummy;
const char *delim = "/\0";
char *dupe, *prefix, *mask, *context, *endptr;
int nmask = -1;
if (str == NULL)
return partly_match;
if (strspn (str, IPV6_PREFIX_STR) != strlen (str))
return no_match;
/* tokenize to address + mask */
dupe = XMALLOC(MTYPE_TMP, strlen(str)+1);
strncpy(dupe, str, strlen(str)+1);
prefix = strtok_r(dupe, delim, &context);
mask = strtok_r(NULL, delim, &context);
if (!mask)
return partly_match;
/* validate prefix */
if (inet_pton(AF_INET6, prefix, &sin6_dummy.sin6_addr) != 1)
return no_match;
/* validate mask */
nmask = strtol (mask, &endptr, 10);
if (*endptr != '\0' || nmask < 0 || nmask > 128)
return no_match;
XFREE(MTYPE_TMP, dupe);
return exact_match;
}
#endif
enum match_type
cmd_range_match (struct graph_node *rangenode, const char *str)
{
char *endptr = NULL;
signed long long val;
if (str == NULL)
return 1;
val = strtoll (str, &endptr, 10);
if (*endptr != '\0')
return 0;
val = llabs(val);
if (val < rangenode->min || val > rangenode->max)
return no_match;
else
return exact_match;
}
enum match_type
cmd_word_match(struct graph_node *wordnode,
enum filter_type filter,
const char *word)
{
if (filter == FILTER_RELAXED)
if (!word || !strlen(word))
return partly_match;
if (!word)
return no_match;
if (filter == FILTER_RELAXED && !strncmp(wordnode->text, word, strlen(word)))
{
if (!strcmp(wordnode->text, word))
return exact_match;
return partly_match;
}
if (filter == FILTER_STRICT && !strcmp(wordnode->text, word))
return exact_match;
return no_match;
}
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