summaryrefslogtreecommitdiff
path: root/libc
diff options
context:
space:
mode:
Diffstat (limited to 'libc')
-rw-r--r--libc/inet/Makefile.in2
-rw-r--r--libc/inet/check_pf.c74
-rw-r--r--libc/inet/getaddrinfo.c92
-rw-r--r--libc/inet/ifaddrs.h13
4 files changed, 75 insertions, 106 deletions
diff --git a/libc/inet/Makefile.in b/libc/inet/Makefile.in
index e87287a4a..493041ff6 100644
--- a/libc/inet/Makefile.in
+++ b/libc/inet/Makefile.in
@@ -14,7 +14,7 @@ CSRC :=
ifneq ($(UCLIBC_HAS_IPV4)$(UCLIBC_HAS_IPV6),)
CSRC += getservice.c getproto.c hostid.c getnetent.c getnetbynm.c getnetbyad.c \
inet_net.c herror.c if_index.c gai_strerror.c getaddrinfo.c \
- ether_addr.c ntohl.c ifaddrs.c ntop.c check_pf.c
+ ether_addr.c ntohl.c ifaddrs.c ntop.c
endif
ifeq ($(UCLIBC_HAS_IPV6),y)
CSRC += in6_addr.c
diff --git a/libc/inet/check_pf.c b/libc/inet/check_pf.c
deleted file mode 100644
index 9eed516b7..000000000
--- a/libc/inet/check_pf.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/* Determine protocol families for which interfaces exist. Generic version.
- Copyright (C) 2003, 2006 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <features.h>
-#include "ifaddrs.h"
-#include <netdb.h>
-
-
-void
-attribute_hidden
-__check_pf (bool *seen_ipv4, bool *seen_ipv6)
-{
- *seen_ipv4 = false;
- *seen_ipv6 = false;
-#if defined __UCLIBC_SUPPORT_AI_ADDRCONFIG__
- {
- /* Get the interface list via getifaddrs. */
- struct ifaddrs *ifa = NULL;
- struct ifaddrs *runp;
- if (getifaddrs (&ifa) != 0)
- {
- /* We cannot determine what interfaces are available. Be
- optimistic. */
-#if defined __UCLIBC_HAS_IPV4__
- *seen_ipv4 = true;
-#endif /* __UCLIBC_HAS_IPV4__ */
-#if defined __UCLIBC_HAS_IPV6__
- *seen_ipv6 = true;
-#endif /* __UCLIBC_HAS_IPV6__ */
- return;
- }
-
- for (runp = ifa; runp != NULL; runp = runp->ifa_next)
-#if defined __UCLIBC_HAS_IPV4__
- if (runp->ifa_addr->sa_family == PF_INET)
- *seen_ipv4 = true;
-#endif /* __UCLIBC_HAS_IPV4__ */
-#if defined __UCLIBC_HAS_IPV4__ && defined __UCLIBC_HAS_IPV6__
- else /* can't be both at once */
-#endif /* __UCLIBC_HAS_IPV4__ && defined __UCLIBC_HAS_IPV6__ */
-#if defined __UCLIBC_HAS_IPV6__
- if (runp->ifa_addr->sa_family == PF_INET6)
- *seen_ipv6 = true;
-#endif /* __UCLIBC_HAS_IPV6__ */
-
- (void) freeifaddrs (ifa);
- }
-#else
- /* AI_ADDRCONFIG is disabled, assume both ipv4 and ipv6 available. */
-#if defined __UCLIBC_HAS_IPV4__
- *seen_ipv4 = true;
-#endif /* __UCLIBC_HAS_IPV4__ */
-#if defined __UCLIBC_HAS_IPV6__
- *seen_ipv6 = true;
-#endif /* __UCLIBC_HAS_IPV6__ */
-
-#endif /* __UCLIBC_SUPPORT_AI_ADDRCONFIG__ */
-}
diff --git a/libc/inet/getaddrinfo.c b/libc/inet/getaddrinfo.c
index 8b735f29b..8baa6815e 100644
--- a/libc/inet/getaddrinfo.c
+++ b/libc/inet/getaddrinfo.c
@@ -1,6 +1,8 @@
/*
* Copyright 1996 by Craig Metz
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
+ * Portions from the GNU C library,
+ * Copyright (C) 2003, 2006 Free Software Foundation, Inc.
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
@@ -157,29 +159,85 @@ static const struct addrinfo default_hints =
{ 0, PF_UNSPEC, 0, 0, 0, NULL, NULL, NULL };
#endif
+#define SEEN_IPV4 1
+#define SEEN_IPV6 2
+
+static unsigned __check_pf (void)
+{
+ unsigned seen = 0;
+#if defined __UCLIBC_SUPPORT_AI_ADDRCONFIG__
+ {
+ /* Get the interface list via getifaddrs. */
+ struct ifaddrs *ifa = NULL;
+ struct ifaddrs *runp;
+ if (getifaddrs (&ifa) != 0)
+ {
+ /* We cannot determine what interfaces are available. Be
+ optimistic. */
+#if defined __UCLIBC_HAS_IPV4__
+ seen |= SEEN_IPV4;
+#endif /* __UCLIBC_HAS_IPV4__ */
+#if defined __UCLIBC_HAS_IPV6__
+ seen |= SEEN_IPV6;
+#endif /* __UCLIBC_HAS_IPV6__ */
+ return seen;
+ }
+
+ for (runp = ifa; runp != NULL; runp = runp->ifa_next)
+#if defined __UCLIBC_HAS_IPV4__
+ if (runp->ifa_addr->sa_family == PF_INET)
+ seen |= SEEN_IPV4;
+#endif /* __UCLIBC_HAS_IPV4__ */
+#if defined __UCLIBC_HAS_IPV4__ && defined __UCLIBC_HAS_IPV6__
+ else /* can't be both at once */
+#endif /* __UCLIBC_HAS_IPV4__ && defined __UCLIBC_HAS_IPV6__ */
+#if defined __UCLIBC_HAS_IPV6__
+ if (runp->ifa_addr->sa_family == PF_INET6)
+ seen |= SEEN_IPV6;
+#endif /* __UCLIBC_HAS_IPV6__ */
+
+ (void) freeifaddrs (ifa);
+ }
+#else
+ /* AI_ADDRCONFIG is disabled, assume both ipv4 and ipv6 available. */
+#if defined __UCLIBC_HAS_IPV4__
+ seen |= SEEN_IPV4;
+#endif /* __UCLIBC_HAS_IPV4__ */
+#if defined __UCLIBC_HAS_IPV6__
+ seen |= SEEN_IPV6;
+#endif /* __UCLIBC_HAS_IPV6__ */
+
+#endif /* __UCLIBC_SUPPORT_AI_ADDRCONFIG__ */
+ return seen;
+}
+
static int addrconfig (sa_family_t af)
{
int s;
int ret;
int saved_errno = errno;
- bool seen_ipv4;
- bool seen_ipv6;
+ unsigned seen;
- __check_pf(&seen_ipv4, &seen_ipv6);
+ seen = __check_pf();
+#if defined __UCLIBC_HAS_IPV4__
if (af == AF_INET)
- ret = (int)seen_ipv4;
- else if (af == AF_INET6)
- ret = (int)seen_ipv6;
+ ret = seen & SEEN_IPV4;
+ else
+#endif
+#if defined __UCLIBC_HAS_IPV6__
+ if (af == AF_INET6)
+ ret = seen & SEEN_IPV6;
else
+#endif
{
s = socket(af, SOCK_DGRAM, 0);
- if (s < 0)
- ret = (errno == EMFILE) ? 1 : 0;
+ ret = 1; /* Assume PF_UNIX. */
+ if (s < 0) {
+ if (errno != EMFILE)
+ ret = 0;
+ }
else
- {
close(s);
- ret = 1;
- }
}
__set_errno (saved_errno);
return ret;
@@ -384,9 +442,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
int rc;
int v4mapped = (req->ai_family == PF_UNSPEC || req->ai_family == PF_INET6) &&
(req->ai_flags & AI_V4MAPPED);
- bool seen_ipv4;
- bool seen_ipv6;
- __check_pf(&seen_ipv4, &seen_ipv6);
+ unsigned seen = __check_pf();
if (req->ai_protocol || req->ai_socktype)
{
@@ -574,7 +630,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
#if defined __UCLIBC_HAS_IPV6__
if (req->ai_family == AF_UNSPEC || req->ai_family == AF_INET6)
- if (!(req->ai_flags & AI_ADDRCONFIG) || seen_ipv6)
+ if (!(req->ai_flags & AI_ADDRCONFIG) || (seen & SEEN_IPV6))
gethosts (AF_INET6, struct in6_addr);
#endif
no_inet6_data = no_data;
@@ -582,7 +638,7 @@ gaih_inet (const char *name, const struct gaih_service *service,
if (req->ai_family == AF_INET ||
(!v4mapped && req->ai_family == AF_UNSPEC) ||
(v4mapped && (no_inet6_data != 0 || (req->ai_flags & AI_ALL))))
- if (!(req->ai_flags & AI_ADDRCONFIG) || seen_ipv4)
+ if (!(req->ai_flags & AI_ADDRCONFIG) || (seen & SEEN_IPV4))
gethosts (AF_INET, struct in_addr);
if (no_data != 0 && no_inet6_data != 0)
@@ -715,10 +771,10 @@ gaih_inet (const char *name, const struct gaih_service *service,
for (st2 = st; st2 != NULL; st2 = st2->next)
{
if (req->ai_flags & AI_ADDRCONFIG) {
- if (family == AF_INET && !seen_ipv4)
+ if (family == AF_INET && !(seen & SEEN_IPV4))
break;
#if defined __UCLIBC_HAS_IPV6__
- else if (family == AF_INET6 && !seen_ipv6)
+ else if (family == AF_INET6 && !(seen & SEEN_IPV6))
break;
#endif
}
diff --git a/libc/inet/ifaddrs.h b/libc/inet/ifaddrs.h
index 2cc06ec86..f65bcaba3 100644
--- a/libc/inet/ifaddrs.h
+++ b/libc/inet/ifaddrs.h
@@ -73,17 +73,4 @@ extern void freeifaddrs (struct ifaddrs *__ifa) __THROW;
__END_DECLS
-struct in6addrinfo
-{
- enum {
- in6ai_deprecated = 1,
- in6ai_temporary = 2,
- in6ai_homeaddress = 4
- } flags;
- uint32_t addr[4];
-};
-
-extern void __check_pf (bool *seen_ipv4, bool *seen_ipv6)
- attribute_hidden;
-
#endif /* ifaddrs.h */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 20:16:24 +0000