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[src/trunk]: src/lib/libutil Make this portable to other OSs
details: https://anonhg.NetBSD.org/src/rev/4c69f307d162
branches: trunk
changeset: 820095:4c69f307d162
user: christos <christos%NetBSD.org@localhost>
date: Thu Dec 29 18:30:55 2016 +0000
description:
Make this portable to other OSs
diffstat:
lib/libutil/Makefile | 6 ++-
lib/libutil/sockaddr_snprintf.c | 83 +++++++++++++++++++++++++++++++++-------
2 files changed, 72 insertions(+), 17 deletions(-)
diffs (truncated from 310 to 300 lines):
diff -r 1f6d325f645c -r 4c69f307d162 lib/libutil/Makefile
--- a/lib/libutil/Makefile Thu Dec 29 16:41:16 2016 +0000
+++ b/lib/libutil/Makefile Thu Dec 29 18:30:55 2016 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.79 2016/04/10 19:05:50 roy Exp $
+# $NetBSD: Makefile,v 1.80 2016/12/29 18:30:55 christos Exp $
# @(#)Makefile 8.1 (Berkeley) 6/4/93
USE_SHLIBDIR= yes
@@ -35,6 +35,10 @@
snprintb.3 sockaddr_snprintf.3 stat_flags.3 strpct.3 ttyaction.3 \
ttymsg.3 util.3
+CPPFLAGS.sockaddr_snprintf.c+=-DHAVE_UTIL_H
+CPPFLAGS.sockaddr_snprintf.c+=-DHAVE_NETATALK_AT_H
+CPPFLAGS.sockaddr_snprintf.c+=-DHAVE_NET_IF_DL_H
+
YPREFIX=__pd
.PATH: ${NETBSDSRCDIR}/lib/libc/gen
diff -r 1f6d325f645c -r 4c69f307d162 lib/libutil/sockaddr_snprintf.c
--- a/lib/libutil/sockaddr_snprintf.c Thu Dec 29 16:41:16 2016 +0000
+++ b/lib/libutil/sockaddr_snprintf.c Thu Dec 29 18:30:55 2016 +0000
@@ -1,7 +1,7 @@
-/* $NetBSD: sockaddr_snprintf.c,v 1.13 2016/06/01 22:58:52 christos Exp $ */
+/* $NetBSD: sockaddr_snprintf.c,v 1.14 2016/12/29 18:30:55 christos Exp $ */
/*-
- * Copyright (c) 2004 The NetBSD Foundation, Inc.
+ * Copyright (c) 2004, 2016 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
@@ -28,26 +28,47 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
-__RCSID("$NetBSD: sockaddr_snprintf.c,v 1.13 2016/06/01 22:58:52 christos Exp $");
+__RCSID("$NetBSD: sockaddr_snprintf.c,v 1.14 2016/12/29 18:30:55 christos Exp $");
#endif /* LIBC_SCCS and not lint */
+#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <netinet/in.h>
+#ifdef HAVE_NETATALK_AT_H
#include <netatalk/at.h>
+#endif
+#ifdef HAVE_NET_IF_DL_H
#include <net/if_dl.h>
+#endif
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
+#ifdef HAVE_UTIL_H
#include <util.h>
+#endif
+#ifdef HAVE_LIBUTIL_H
+#include <libutil.h>
+#endif
#include <netdb.h>
+#ifdef BSD4_4
+# define SALEN(sa) ((sa)->sa ## _len)
+#else
+# define SALEN(sa) ((unsigned)sizeof(*sa))
+#endif
+
+#ifdef HAVE_NETATALK_AT_H
static int
debug_at(char *str, size_t len, const struct sockaddr_at *sat)
{
@@ -56,19 +77,20 @@
"sat_range.r_netrange.nr_phase=%u, "
"sat_range.r_netrange.nr_firstnet=%u, "
"sat_range.r_netrange.nr_lastnet=%u",
- sat->sat_len, sat->sat_family, sat->sat_port,
+ SALEN(sat), sat->sat_family, sat->sat_port,
sat->sat_addr.s_net, sat->sat_addr.s_node,
sat->sat_range.r_netrange.nr_phase,
sat->sat_range.r_netrange.nr_firstnet,
sat->sat_range.r_netrange.nr_lastnet);
}
+#endif
static int
debug_in(char *str, size_t len, const struct sockaddr_in *sin)
{
return snprintf(str, len, "sin_len=%u, sin_family=%u, sin_port=%u, "
"sin_addr.s_addr=%08x",
- sin->sin_len, sin->sin_family, sin->sin_port,
+ SALEN(sin), sin->sin_family, sin->sin_port,
sin->sin_addr.s_addr);
}
@@ -81,7 +103,7 @@
"sin6_flowinfo=%u, "
"sin6_addr=%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:"
"%02x:%02x:%02x:%02x:%02x:%02x, sin6_scope_id=%u",
- sin6->sin6_len, sin6->sin6_family, sin6->sin6_port,
+ SALEN(sin6), sin6->sin6_family, sin6->sin6_port,
sin6->sin6_flowinfo, s[0x0], s[0x1], s[0x2], s[0x3], s[0x4], s[0x5],
s[0x6], s[0x7], s[0x8], s[0x9], s[0xa], s[0xb], s[0xc], s[0xd],
s[0xe], s[0xf], sin6->sin6_scope_id);
@@ -91,10 +113,11 @@
debug_un(char *str, size_t len, const struct sockaddr_un *sun)
{
return snprintf(str, len, "sun_len=%u, sun_family=%u, sun_path=%*s",
- sun->sun_len, sun->sun_family, (int)sizeof(sun->sun_path),
+ SALEN(sun), sun->sun_family, (int)sizeof(sun->sun_path),
sun->sun_path);
}
+#ifdef HAVE_NET_IF_DL_H
static int
debug_dl(char *str, size_t len, const struct sockaddr_dl *sdl)
{
@@ -103,27 +126,34 @@
return snprintf(str, len, "sdl_len=%u, sdl_family=%u, sdl_index=%u, "
"sdl_type=%u, sdl_nlen=%u, sdl_alen=%u, sdl_slen=%u, sdl_data="
"%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
- sdl->sdl_len, sdl->sdl_family, sdl->sdl_index,
+ SALEN(sdl), sdl->sdl_family, sdl->sdl_index,
sdl->sdl_type, sdl->sdl_nlen, sdl->sdl_alen, sdl->sdl_slen,
s[0x0], s[0x1], s[0x2], s[0x3], s[0x4], s[0x5],
s[0x6], s[0x7], s[0x8], s[0x9], s[0xa], s[0xb]);
}
+#endif
int
sockaddr_snprintf(char * const sbuf, const size_t len, const char * const fmt,
const struct sockaddr * const sa)
{
const void *a = NULL;
- char abuf[1024], nbuf[1024], *addr = NULL, *w = NULL;
+ char abuf[1024], nbuf[1024], *addr = NULL;
char Abuf[1024], pbuf[32], *name = NULL, *port = NULL;
char *ebuf = &sbuf[len - 1], *buf = sbuf;
const char *ptr, *s;
+ size_t salen;
int p = -1;
+#ifdef HAVE_NETATALK_AT_H
const struct sockaddr_at *sat = NULL;
+#endif
const struct sockaddr_in *sin4 = NULL;
const struct sockaddr_in6 *sin6 = NULL;
const struct sockaddr_un *sun = NULL;
+#ifdef HAVE_NET_IF_DL_H
const struct sockaddr_dl *sdl = NULL;
+ char *w = NULL;
+#endif
int na = 1;
#define ADDC(c) do { if (buf < ebuf) *buf++ = c; else buf++; } \
@@ -136,35 +166,46 @@
switch (sa->sa_family) {
case AF_UNSPEC:
goto done;
+#ifdef HAVE_NETATALK_AT_H
case AF_APPLETALK:
+ salen = sizeof(*sat);
sat = ((const struct sockaddr_at *)(const void *)sa);
p = ntohs(sat->sat_port);
(void)snprintf(addr = abuf, sizeof(abuf), "%u.%u",
ntohs(sat->sat_addr.s_net), sat->sat_addr.s_node);
(void)snprintf(port = pbuf, sizeof(pbuf), "%d", p);
break;
+#endif
case AF_LOCAL:
+ salen = sizeof(*sun);
sun = ((const struct sockaddr_un *)(const void *)sa);
(void)strlcpy(addr = abuf, sun->sun_path, sizeof(abuf));
break;
case AF_INET:
+ salen = sizeof(*sin4);
sin4 = ((const struct sockaddr_in *)(const void *)sa);
p = ntohs(sin4->sin_port);
a = &sin4->sin_addr;
break;
case AF_INET6:
+ salen = sizeof(*sin6);
sin6 = ((const struct sockaddr_in6 *)(const void *)sa);
p = ntohs(sin6->sin6_port);
a = &sin6->sin6_addr;
break;
+#ifdef HAVE_NET_IF_DL_H
case AF_LINK:
sdl = ((const struct sockaddr_dl *)(const void *)sa);
addr = abuf;
if (sdl->sdl_slen == 0 && sdl->sdl_nlen == 0
&& sdl->sdl_alen == 0) {
+ salen = sizeof(*sdl);
(void)snprintf(abuf, sizeof(abuf), "link#%hu",
sdl->sdl_index);
} else {
+ salen = sdl->sdl_slen + sdl->sdl_nlen + sdl->sdl_alen;
+ if (salen < sizeof(*sdl))
+ salen = sizeof(*sdl);
(void)strlcpy(abuf, link_ntoa(sdl), sizeof(abuf));
if ((w = strchr(addr, ':')) != NULL) {
*w++ = '\0';
@@ -172,6 +213,7 @@
}
}
break;
+#endif
default:
errno = EAFNOSUPPORT;
return -1;
@@ -180,7 +222,7 @@
if (addr == abuf)
name = addr;
- if (a && getnameinfo(sa, (socklen_t)sa->sa_len, addr = abuf,
+ if (a && getnameinfo(sa, (socklen_t)salen, addr = abuf,
(unsigned int)sizeof(abuf), NULL, 0,
NI_NUMERICHOST|NI_NUMERICSERV) != 0)
return -1;
@@ -210,7 +252,7 @@
ADDS(nbuf);
break;
case 'l':
- (void)snprintf(nbuf, sizeof(nbuf), "%d", sa->sa_len);
+ (void)snprintf(nbuf, sizeof(nbuf), "%zu", salen);
ADDS(nbuf);
break;
case 'A':
@@ -219,8 +261,7 @@
else if (!a)
ADDNA();
else {
- getnameinfo(sa, (socklen_t)sa->sa_len,
- name = Abuf,
+ getnameinfo(sa, (socklen_t)salen, name = Abuf,
(unsigned int)sizeof(nbuf), NULL, 0, 0);
ADDS(name);
}
@@ -231,16 +272,19 @@
else if (p == -1)
ADDNA();
else {
- getnameinfo(sa, (socklen_t)sa->sa_len, NULL, 0,
+ getnameinfo(sa, (socklen_t)salen, NULL, 0,
port = pbuf,
(unsigned int)sizeof(pbuf), 0);
ADDS(port);
}
break;
case 'I':
+#ifdef HAVE_NET_IF_DL_H
if (sdl && addr != abuf) {
ADDS(abuf);
- } else {
+ } else
+#endif
+ {
ADDNA();
}
break;
@@ -265,6 +309,7 @@
}
break;
case 'R':
+#ifdef HAVE_NETATALK_AT_H
if (sat) {
const struct netrange *n =
&sat->sat_range.r_netrange;
@@ -272,15 +317,19 @@
"%d:[%d,%d]", n->nr_phase , n->nr_firstnet,
n->nr_lastnet);
ADDS(nbuf);
- } else {
+ } else
+#endif
+ {
ADDNA();
}
break;
case 'D':
switch (sa->sa_family) {
+#ifdef HAVE_NETATALK_AT_H
case AF_APPLETALK:
debug_at(nbuf, sizeof(nbuf), sat);
break;
+#endif
case AF_LOCAL:
debug_un(nbuf, sizeof(nbuf), sun);
break;
@@ -290,9 +339,11 @@
case AF_INET6:
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