We already have an inany_ntop() function to format inany addresses into
text. Add inany_pton() to parse them from text, and use it in
conf_ports().
Signed-off-by: David Gibson <david(a)gibson.dropbear.id.au>
---
conf.c | 9 +--------
inany.c | 20 ++++++++++++++++++++
inany.h | 1 +
3 files changed, 22 insertions(+), 8 deletions(-)
diff --git a/conf.c b/conf.c
index 9f1cd835..6e62510d 100644
--- a/conf.c
+++ b/conf.c
@@ -215,9 +215,6 @@ static void conf_ports(const struct ctx *c, char optname, const char
*optarg,
if (ifname == buf + 1) { /* Interface without address */
addr = NULL;
} else {
- struct in6_addr a6;
- struct in_addr a4;
-
p = buf;
/* Allow square brackets for IPv4 too for convenience */
@@ -226,11 +223,7 @@ static void conf_ports(const struct ctx *c, char optname, const char
*optarg,
p++;
}
- if (inet_pton(AF_INET, p, &a4))
- inany_from_af(addr, AF_INET, &a4);
- else if (inet_pton(AF_INET6, p, &a6))
- inany_from_af(addr, AF_INET6, &a6);
- else
+ if (!inany_pton(p, addr))
goto bad;
}
} else {
diff --git a/inany.c b/inany.c
index 5e391dc7..f5483bfc 100644
--- a/inany.c
+++ b/inany.c
@@ -36,3 +36,23 @@ const char *inany_ntop(const union inany_addr *src, char *dst,
socklen_t size)
return inet_ntop(AF_INET6, &src->a6, dst, size);
}
+
+/** inany_pton - Parse an IPv[46] address from text format
+ * @src: IPv[46] address
+ * @dst: output buffer, filled with parsed address
+ *
+ * Return: On success, 1, if no parseable address is found, 0
+ */
+int inany_pton(const char *src, union inany_addr *dst)
+{
+ if (inet_pton(AF_INET, src, &dst->v4mapped.a4)) {
+ memset(&dst->v4mapped.zero, 0, sizeof(dst->v4mapped.zero));
+ memset(&dst->v4mapped.one, 0xff, sizeof(dst->v4mapped.one));
+ return 1;
+ }
+
+ if (inet_pton(AF_INET6, src, &dst->a6))
+ return 1;
+
+ return 0;
+}
diff --git a/inany.h b/inany.h
index d2893cec..6a12c292 100644
--- a/inany.h
+++ b/inany.h
@@ -270,5 +270,6 @@ static inline void inany_siphash_feed(struct siphash_state *state,
#define INANY_ADDRSTRLEN MAX(INET_ADDRSTRLEN, INET6_ADDRSTRLEN)
const char *inany_ntop(const union inany_addr *src, char *dst, socklen_t size);
+int inany_pton(const char *src, union inany_addr *dst);
#endif /* INANY_H */
--
2.46.1