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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-22 22:43:05 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-01-22 22:43:05 +0000
commit448f0241e06e7df2003b7f8afcf01e7406762b4e (patch)
treebc4a002a534b4c0fb8bba09dbd46f93cea5a38c6 /libbb/xconnect.c
parentfdcd7c4237a99682724ffbf4e40ab50a40197c56 (diff)
downloadbusybox-448f0241e06e7df2003b7f8afcf01e7406762b4e.tar.gz
busybox-448f0241e06e7df2003b7f8afcf01e7406762b4e.tar.bz2
nslookup: full circle. Here we started IPv6 work. Use "new API"
and thus save a few bytes.
Diffstat (limited to 'libbb/xconnect.c')
-rw-r--r--libbb/xconnect.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index 0addda157..188837e36 100644
--- a/libbb/xconnect.c
+++ b/libbb/xconnect.c
@@ -245,25 +245,36 @@ int xconnect_stream(const len_and_sockaddr *lsa)
return fd;
}
+/* We hijack this constant to mean something else */
+/* It doesn't hurt because we will add this bit anyway */
+#define IGNORE_PORT NI_NUMERICSERV
static char* sockaddr2str(const struct sockaddr *sa, socklen_t salen, int flags)
{
char host[128];
char serv[16];
int rc = getnameinfo(sa, salen,
host, sizeof(host),
+ /* can do ((flags & IGNORE_PORT) ? NULL : serv) but why bother? */
serv, sizeof(serv),
/* do not resolve port# into service _name_ */
flags | NI_NUMERICSERV
);
if (rc)
return NULL;
+ if (flags & IGNORE_PORT)
+ return xstrdup(host);
#if ENABLE_FEATURE_IPV6
- if (sa->sa_family == AF_INET6)
- return xasprintf("[%s]:%s", host, serv);
+ if (sa->sa_family == AF_INET6) {
+ if (strchr(host, ':')) /* heh, it's not a resolved hostname */
+ return xasprintf("[%s]:%s", host, serv);
+ /*return xasprintf("%s:%s", host, serv);*/
+ /* - fall through instead */
+ }
#endif
/* For now we don't support anything else, so it has to be INET */
/*if (sa->sa_family == AF_INET)*/
return xasprintf("%s:%s", host, serv);
+ /*return xstrdup(host);*/
}
char* xmalloc_sockaddr2host(const struct sockaddr *sa, socklen_t salen)
@@ -271,7 +282,16 @@ char* xmalloc_sockaddr2host(const struct sockaddr *sa, socklen_t salen)
return sockaddr2str(sa, salen, 0);
}
+char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa, socklen_t salen)
+{
+ return sockaddr2str(sa, salen, NI_NAMEREQD | IGNORE_PORT);
+}
char* xmalloc_sockaddr2dotted(const struct sockaddr *sa, socklen_t salen)
{
return sockaddr2str(sa, salen, NI_NUMERICHOST);
}
+
+char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa, socklen_t salen)
+{
+ return sockaddr2str(sa, salen, NI_NUMERICHOST | IGNORE_PORT);
+}