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interface-file: remap problematic ifupdown2 tokens to our equivalents

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This commit is contained in:
Ariadne Conill 2020-08-19 01:57:11 -06:00
parent eeb40fc689
commit cb03eb1ee9
1 changed files with 34 additions and 3 deletions
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37
libifupdown/interface-file.c
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@ -16,9 +16,38 @@
#include <ctype.h>
#include <stdio.h>
#include <string.h>
#include "libifupdown/interface-file.h"
#include "libifupdown/fgetline.h"
#include "libifupdown/tokenize.h"
#include "libifupdown/libifupdown.h"
/* internally rewrite problematic ifupdown2 tokens to ifupdown-ng equivalents */
struct remap_token {
const char *token;
const char *alternative;
};
static const struct remap_token tokens[] = {
{"vrf", "vrf-member"}
};
static int
token_cmp(const void *a, const void *b)
{
const char *key = a;
const struct remap_token *token = b;
return strcmp(key, token->token);
}
static char *
maybe_remap_token(const char *token)
{
const struct remap_token *tok = NULL;
static char tokbuf[4096];
tok = bsearch(token, tokens, ARRAY_SIZE(tokens), sizeof(*tokens), token_cmp);
strlcpy(tokbuf, tok != NULL ? tok->alternative : token, sizeof tokbuf);
return tokbuf;
}
bool
lif_interface_file_parse(struct lif_dict *collection, const char *filename)
@ -167,6 +196,8 @@ lif_interface_file_parse(struct lif_dict *collection, const char *filename)
}
else if (cur_iface != NULL)
{
token = maybe_remap_token(token);
lif_dict_add(&cur_iface->vars, token, strdup(bufp));
/* Check if token looks like <word1>-<word*> and assume <word1> is an addon */