Flesh out <arpa/inet.h>.
Use the upstream OpenBSD implementations of these functions.
Also ensure we have symbols for htonl, htons, ntohl, and ntohs.
gtest doesn't like us using the macro versions in ASSERT_EQ.
Bug: 14840760
Change-Id: I68720e9aca14838df457d2bb27b999d5818ac2b5
diff --git a/libc/Android.mk b/libc/Android.mk
index 5befacf..6d1bcf8 100644
--- a/libc/Android.mk
+++ b/libc/Android.mk
@@ -257,7 +257,6 @@
libc_upstream_netbsd_src_files := \
upstream-netbsd/common/lib/libc/hash/sha1/sha1.c \
- upstream-netbsd/common/lib/libc/inet/inet_addr.c \
upstream-netbsd/lib/libc/gen/ftw.c \
upstream-netbsd/lib/libc/gen/nftw.c \
upstream-netbsd/lib/libc/gen/nice.c \
@@ -266,9 +265,6 @@
upstream-netbsd/lib/libc/gen/setjmperr.c \
upstream-netbsd/lib/libc/gen/utime.c \
upstream-netbsd/lib/libc/gen/utmp.c \
- upstream-netbsd/lib/libc/inet/inet_ntoa.c \
- upstream-netbsd/lib/libc/inet/inet_ntop.c \
- upstream-netbsd/lib/libc/inet/inet_pton.c \
upstream-netbsd/lib/libc/isc/ev_streams.c \
upstream-netbsd/lib/libc/isc/ev_timers.c \
upstream-netbsd/lib/libc/regex/regcomp.c \
@@ -357,6 +353,18 @@
upstream-openbsd/lib/libc/locale/wcsxfrm.c \
upstream-openbsd/lib/libc/locale/wctob.c \
upstream-openbsd/lib/libc/locale/wctomb.c \
+ upstream-openbsd/lib/libc/net/htonl.c \
+ upstream-openbsd/lib/libc/net/htons.c \
+ upstream-openbsd/lib/libc/net/inet_addr.c \
+ upstream-openbsd/lib/libc/net/inet_lnaof.c \
+ upstream-openbsd/lib/libc/net/inet_makeaddr.c \
+ upstream-openbsd/lib/libc/net/inet_netof.c \
+ upstream-openbsd/lib/libc/net/inet_network.c \
+ upstream-openbsd/lib/libc/net/inet_ntoa.c \
+ upstream-openbsd/lib/libc/net/inet_ntop.c \
+ upstream-openbsd/lib/libc/net/inet_pton.c \
+ upstream-openbsd/lib/libc/net/ntohl.c \
+ upstream-openbsd/lib/libc/net/ntohs.c \
upstream-openbsd/lib/libc/stdio/asprintf.c \
upstream-openbsd/lib/libc/stdio/clrerr.c \
upstream-openbsd/lib/libc/stdio/fdopen.c \
diff --git a/libc/include/arpa/inet.h b/libc/include/arpa/inet.h
index b008812..067be1f 100644
--- a/libc/include/arpa/inet.h
+++ b/libc/include/arpa/inet.h
@@ -36,19 +36,18 @@
typedef uint32_t in_addr_t;
-extern uint32_t inet_addr(const char *);
-
-extern int inet_aton(const char *, struct in_addr *);
-extern char* inet_ntoa(struct in_addr);
-
-extern int inet_pton(int, const char *, void *);
-extern const char* inet_ntop(int, const void *, char *, socklen_t);
-
-extern unsigned int inet_nsap_addr(const char *, unsigned char *, int);
-extern char* inet_nsap_ntoa(int, const unsigned char *, char *);
+in_addr_t inet_addr(const char*);
+int inet_aton(const char*, struct in_addr*);
+in_addr_t inet_lnaof(struct in_addr);
+struct in_addr inet_makeaddr(in_addr_t, in_addr_t);
+in_addr_t inet_netof(struct in_addr);
+in_addr_t inet_network(const char*);
+char* inet_ntoa(struct in_addr);
+const char* inet_ntop(int, const void*, char*, socklen_t);
+unsigned int inet_nsap_addr(const char*, unsigned char*, int);
+char* inet_nsap_ntoa(int, const unsigned char*, char*);
+int inet_pton(int, const char*, void*);
__END_DECLS
#endif /* _ARPA_INET_H_ */
-
-
diff --git a/libc/include/sys/endian.h b/libc/include/sys/endian.h
index cbde121..1186540 100644
--- a/libc/include/sys/endian.h
+++ b/libc/include/sys/endian.h
@@ -186,14 +186,22 @@
#define letoh64(x) (x)
#endif /* __BSD_VISIBLE */
-#define htons(x) __swap16(x)
+/* glibc compatibility. */
+__BEGIN_DECLS
+uint32_t htonl(uint32_t) __pure2;
+uint16_t htons(uint16_t) __pure2;
+uint32_t ntohl(uint32_t) __pure2;
+uint16_t ntohs(uint16_t) __pure2;
+__END_DECLS
+
#define htonl(x) __swap32(x)
-#define ntohs(x) __swap16(x)
+#define htons(x) __swap16(x)
#define ntohl(x) __swap32(x)
+#define ntohs(x) __swap16(x)
/* Bionic additions */
-#define ntohq(x) __swap64(x)
#define htonq(x) __swap64(x)
+#define ntohq(x) __swap64(x)
#define __LITTLE_ENDIAN_BITFIELD
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_ntop.c b/libc/upstream-netbsd/lib/libc/inet/inet_ntop.c
deleted file mode 100644
index 00c55a8..0000000
--- a/libc/upstream-netbsd/lib/libc/inet/inet_ntop.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/* $NetBSD: inet_ntop.c,v 1.9 2012/03/20 17:08:13 matt Exp $ */
-
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Copyright (c) 1996-1999 by Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static const char rcsid[] = "Id: inet_ntop.c,v 1.5 2005/11/03 22:59:52 marka Exp";
-#else
-__RCSID("$NetBSD: inet_ntop.c,v 1.9 2012/03/20 17:08:13 matt Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "port_before.h"
-
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <arpa/nameser.h>
-
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "port_after.h"
-
-#ifdef __weak_alias
-__weak_alias(inet_ntop,_inet_ntop)
-#endif
-
-/*%
- * WARNING: Don't even consider trying to compile this on a system where
- * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
- */
-
-static const char *inet_ntop4(const u_char *src, char *dst, socklen_t size);
-static const char *inet_ntop6(const u_char *src, char *dst, socklen_t size);
-
-/* char *
- * inet_ntop(af, src, dst, size)
- * convert a network format address to presentation format.
- * return:
- * pointer to presentation format address (`dst'), or NULL (see errno).
- * author:
- * Paul Vixie, 1996.
- */
-const char *
-inet_ntop(int af, const void *src, char *dst, socklen_t size)
-{
-
- _DIAGASSERT(src != NULL);
- _DIAGASSERT(dst != NULL);
-
- switch (af) {
- case AF_INET:
- return (inet_ntop4(src, dst, size));
- case AF_INET6:
- return (inet_ntop6(src, dst, size));
- default:
- errno = EAFNOSUPPORT;
- return (NULL);
- }
- /* NOTREACHED */
-}
-
-/* const char *
- * inet_ntop4(src, dst, size)
- * format an IPv4 address, more or less like inet_ntoa()
- * return:
- * `dst' (as a const)
- * notes:
- * (1) uses no statics
- * (2) takes a u_char* not an in_addr as input
- * author:
- * Paul Vixie, 1996.
- */
-static const char *
-inet_ntop4(const u_char *src, char *dst, socklen_t size)
-{
- char tmp[sizeof "255.255.255.255"];
- int l;
-
- _DIAGASSERT(src != NULL);
- _DIAGASSERT(dst != NULL);
-
- l = snprintf(tmp, sizeof(tmp), "%u.%u.%u.%u",
- src[0], src[1], src[2], src[3]);
- if (l <= 0 || (socklen_t) l >= size) {
- errno = ENOSPC;
- return (NULL);
- }
- strlcpy(dst, tmp, size);
- return (dst);
-}
-
-/* const char *
- * inet_ntop6(src, dst, size)
- * convert IPv6 binary address into presentation (printable) format
- * author:
- * Paul Vixie, 1996.
- */
-static const char *
-inet_ntop6(const u_char *src, char *dst, socklen_t size)
-{
- /*
- * Note that int32_t and int16_t need only be "at least" large enough
- * to contain a value of the specified size. On some systems, like
- * Crays, there is no such thing as an integer variable with 16 bits.
- * Keep this in mind if you think this function should have been coded
- * to use pointer overlays. All the world's not a VAX.
- */
- char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
- char *tp, *ep;
- struct { int base, len; } best, cur;
- u_int words[NS_IN6ADDRSZ / NS_INT16SZ];
- int i;
- int advance;
-
- _DIAGASSERT(src != NULL);
- _DIAGASSERT(dst != NULL);
-
- /*
- * Preprocess:
- * Copy the input (bytewise) array into a wordwise array.
- * Find the longest run of 0x00's in src[] for :: shorthanding.
- */
- memset(words, '\0', sizeof words);
- for (i = 0; i < NS_IN6ADDRSZ; i++)
- words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
- best.base = -1;
- best.len = 0;
- cur.base = -1;
- cur.len = 0;
- for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
- if (words[i] == 0) {
- if (cur.base == -1)
- cur.base = i, cur.len = 1;
- else
- cur.len++;
- } else {
- if (cur.base != -1) {
- if (best.base == -1 || cur.len > best.len)
- best = cur;
- cur.base = -1;
- }
- }
- }
- if (cur.base != -1) {
- if (best.base == -1 || cur.len > best.len)
- best = cur;
- }
- if (best.base != -1 && best.len < 2)
- best.base = -1;
-
- /*
- * Format the result.
- */
- tp = tmp;
- ep = tmp + sizeof(tmp);
- for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++) {
- /* Are we inside the best run of 0x00's? */
- if (best.base != -1 && i >= best.base &&
- i < (best.base + best.len)) {
- if (i == best.base)
- *tp++ = ':';
- continue;
- }
- /* Are we following an initial run of 0x00s or any real hex? */
- if (i != 0) {
- if (tp + 1 >= ep)
- return (NULL);
- *tp++ = ':';
- }
- /* Is this address an encapsulated IPv4? */
- if (i == 6 && best.base == 0 &&
- (best.len == 6 ||
- (best.len == 7 && words[7] != 0x0001) ||
- (best.len == 5 && words[5] == 0xffff))) {
- if (!inet_ntop4(src+12, tp, (socklen_t)(ep - tp)))
- return (NULL);
- tp += strlen(tp);
- break;
- }
- advance = snprintf(tp, (size_t)(ep - tp), "%x", words[i]);
- if (advance <= 0 || advance >= ep - tp)
- return (NULL);
- tp += advance;
- }
- /* Was it a trailing run of 0x00's? */
- if (best.base != -1 && (best.base + best.len) ==
- (NS_IN6ADDRSZ / NS_INT16SZ)) {
- if (tp + 1 >= ep)
- return (NULL);
- *tp++ = ':';
- }
- if (tp + 1 >= ep)
- return (NULL);
- *tp++ = '\0';
-
- /*
- * Check for overflow, copy, and we're done.
- */
- if ((size_t)(tp - tmp) > size) {
- errno = ENOSPC;
- return (NULL);
- }
- strlcpy(dst, tmp, size);
- return (dst);
-}
-
-/*! \file */
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_pton.c b/libc/upstream-netbsd/lib/libc/inet/inet_pton.c
deleted file mode 100644
index c1e9a69..0000000
--- a/libc/upstream-netbsd/lib/libc/inet/inet_pton.c
+++ /dev/null
@@ -1,310 +0,0 @@
-/* $NetBSD: inet_pton.c,v 1.8 2012/03/13 21:13:38 christos Exp $ */
-
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Copyright (c) 1996,1999 by Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static const char rcsid[] = "Id: inet_pton.c,v 1.5 2005/07/28 06:51:47 marka Exp";
-#else
-__RCSID("$NetBSD: inet_pton.c,v 1.8 2012/03/13 21:13:38 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "port_before.h"
-
-#include "namespace.h"
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <arpa/nameser.h>
-#include <stddef.h>
-#include <string.h>
-#include <assert.h>
-#include <ctype.h>
-#include <errno.h>
-
-#include "port_after.h"
-
-#ifdef __weak_alias
-__weak_alias(inet_pton,_inet_pton)
-#endif
-
-/*%
- * WARNING: Don't even consider trying to compile this on a system where
- * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
- */
-
-static int inet_pton4(const char *src, u_char *dst, int pton);
-static int inet_pton6(const char *src, u_char *dst);
-
-/* int
- * inet_pton(af, src, dst)
- * convert from presentation format (which usually means ASCII printable)
- * to network format (which is usually some kind of binary format).
- * return:
- * 1 if the address was valid for the specified address family
- * 0 if the address wasn't valid (`dst' is untouched in this case)
- * -1 if some other error occurred (`dst' is untouched in this case, too)
- * author:
- * Paul Vixie, 1996.
- */
-int
-inet_pton(int af, const char *src, void *dst)
-{
-
- _DIAGASSERT(src != NULL);
- _DIAGASSERT(dst != NULL);
-
- switch (af) {
- case AF_INET:
- return (inet_pton4(src, dst, 1));
- case AF_INET6:
- return (inet_pton6(src, dst));
- default:
- errno = EAFNOSUPPORT;
- return (-1);
- }
- /* NOTREACHED */
-}
-
-/* int
- * inet_pton4(src, dst, pton)
- * when last arg is 0: inet_aton(). with hexadecimal, octal and shorthand.
- * when last arg is 1: inet_pton(). decimal dotted-quad only.
- * return:
- * 1 if `src' is a valid input, else 0.
- * notice:
- * does not touch `dst' unless it's returning 1.
- * author:
- * Paul Vixie, 1996.
- */
-static int
-inet_pton4(const char *src, u_char *dst, int pton)
-{
- u_int32_t val;
- u_int digit, base;
- ptrdiff_t n;
- unsigned char c;
- u_int parts[4];
- u_int *pp = parts;
-
- _DIAGASSERT(src != NULL);
- _DIAGASSERT(dst != NULL);
-
- c = *src;
- for (;;) {
- /*
- * Collect number up to ``.''.
- * Values are specified as for C:
- * 0x=hex, 0=octal, isdigit=decimal.
- */
- if (!isdigit(c))
- return (0);
- val = 0; base = 10;
- if (c == '0') {
- c = *++src;
- if (c == 'x' || c == 'X')
- base = 16, c = *++src;
- else if (isdigit(c) && c != '9')
- base = 8;
- }
- /* inet_pton() takes decimal only */
- if (pton && base != 10)
- return (0);
- for (;;) {
- if (isdigit(c)) {
- digit = c - '0';
- if (digit >= base)
- break;
- val = (val * base) + digit;
- c = *++src;
- } else if (base == 16 && isxdigit(c)) {
- digit = c + 10 - (islower(c) ? 'a' : 'A');
- if (digit >= 16)
- break;
- val = (val << 4) | digit;
- c = *++src;
- } else
- break;
- }
- if (c == '.') {
- /*
- * Internet format:
- * a.b.c.d
- * a.b.c (with c treated as 16 bits)
- * a.b (with b treated as 24 bits)
- * a (with a treated as 32 bits)
- */
- if (pp >= parts + 3)
- return (0);
- *pp++ = val;
- c = *++src;
- } else
- break;
- }
- /*
- * Check for trailing characters.
- */
- if (c != '\0' && !isspace(c))
- return (0);
- /*
- * Concoct the address according to
- * the number of parts specified.
- */
- n = pp - parts + 1;
- /* inet_pton() takes dotted-quad only. it does not take shorthand. */
- if (pton && n != 4)
- return (0);
- switch (n) {
-
- case 0:
- return (0); /* initial nondigit */
-
- case 1: /* a -- 32 bits */
- break;
-
- case 2: /* a.b -- 8.24 bits */
- if (parts[0] > 0xff || val > 0xffffff)
- return (0);
- val |= parts[0] << 24;
- break;
-
- case 3: /* a.b.c -- 8.8.16 bits */
- if ((parts[0] | parts[1]) > 0xff || val > 0xffff)
- return (0);
- val |= (parts[0] << 24) | (parts[1] << 16);
- break;
-
- case 4: /* a.b.c.d -- 8.8.8.8 bits */
- if ((parts[0] | parts[1] | parts[2] | val) > 0xff)
- return (0);
- val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
- break;
- }
- if (dst) {
- val = htonl(val);
- memcpy(dst, &val, NS_INADDRSZ);
- }
- return (1);
-}
-
-/* int
- * inet_pton6(src, dst)
- * convert presentation level address to network order binary form.
- * return:
- * 1 if `src' is a valid [RFC1884 2.2] address, else 0.
- * notice:
- * (1) does not touch `dst' unless it's returning 1.
- * (2) :: in a full address is silently ignored.
- * credit:
- * inspired by Mark Andrews.
- * author:
- * Paul Vixie, 1996.
- */
-static int
-inet_pton6(const char *src, u_char *dst)
-{
- static const char xdigits_l[] = "0123456789abcdef",
- xdigits_u[] = "0123456789ABCDEF";
- u_char tmp[NS_IN6ADDRSZ], *tp, *endp, *colonp;
- const char *xdigits, *curtok;
- int ch, seen_xdigits;
- u_int val;
-
- _DIAGASSERT(src != NULL);
- _DIAGASSERT(dst != NULL);
-
- memset((tp = tmp), '\0', NS_IN6ADDRSZ);
- endp = tp + NS_IN6ADDRSZ;
- colonp = NULL;
- /* Leading :: requires some special handling. */
- if (*src == ':')
- if (*++src != ':')
- return (0);
- curtok = src;
- seen_xdigits = 0;
- val = 0;
- while ((ch = *src++) != '\0') {
- const char *pch;
-
- if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
- pch = strchr((xdigits = xdigits_u), ch);
- if (pch != NULL) {
- val <<= 4;
- val |= (int)(pch - xdigits);
- if (++seen_xdigits > 4)
- return (0);
- continue;
- }
- if (ch == ':') {
- curtok = src;
- if (!seen_xdigits) {
- if (colonp)
- return (0);
- colonp = tp;
- continue;
- } else if (*src == '\0')
- return (0);
- if (tp + NS_INT16SZ > endp)
- return (0);
- *tp++ = (u_char) (val >> 8) & 0xff;
- *tp++ = (u_char) val & 0xff;
- seen_xdigits = 0;
- val = 0;
- continue;
- }
- if (ch == '.' && ((tp + NS_INADDRSZ) <= endp) &&
- inet_pton4(curtok, tp, 1) > 0) {
- tp += NS_INADDRSZ;
- seen_xdigits = 0;
- break; /*%< '\\0' was seen by inet_pton4(). */
- }
- return (0);
- }
- if (seen_xdigits) {
- if (tp + NS_INT16SZ > endp)
- return (0);
- *tp++ = (u_char) (val >> 8) & 0xff;
- *tp++ = (u_char) val & 0xff;
- }
- if (colonp != NULL) {
- /*
- * Since some memmove()'s erroneously fail to handle
- * overlapping regions, we'll do the shift by hand.
- */
- const ptrdiff_t n = tp - colonp;
- int i;
-
- if (tp == endp)
- return (0);
- for (i = 1; i <= n; i++) {
- endp[- i] = colonp[n - i];
- colonp[n - i] = 0;
- }
- tp = endp;
- }
- if (tp != endp)
- return (0);
- memcpy(dst, tmp, NS_IN6ADDRSZ);
- return (1);
-}
-
-/*! \file */
diff --git a/libc/upstream-openbsd/lib/libc/net/htonl.c b/libc/upstream-openbsd/lib/libc/net/htonl.c
new file mode 100644
index 0000000..5ab4189
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/net/htonl.c
@@ -0,0 +1,21 @@
+/* $OpenBSD: htonl.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <sys/types.h>
+#include <machine/endian.h>
+
+#undef htonl
+
+u_int32_t
+htonl(u_int32_t x)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+ u_char *s = (u_char *)&x;
+ return (u_int32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
+#else
+ return x;
+#endif
+}
diff --git a/libc/upstream-openbsd/lib/libc/net/htons.c b/libc/upstream-openbsd/lib/libc/net/htons.c
new file mode 100644
index 0000000..c8b73fd
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/net/htons.c
@@ -0,0 +1,21 @@
+/* $OpenBSD: htons.c,v 1.8 2005/08/06 20:30:03 espie Exp $ */
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <sys/types.h>
+#include <machine/endian.h>
+
+#undef htons
+
+u_int16_t
+htons(u_int16_t x)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+ u_char *s = (u_char *) &x;
+ return (u_int16_t)(s[0] << 8 | s[1]);
+#else
+ return x;
+#endif
+}
diff --git a/libc/upstream-netbsd/common/lib/libc/inet/inet_addr.c b/libc/upstream-openbsd/lib/libc/net/inet_addr.c
similarity index 62%
rename from libc/upstream-netbsd/common/lib/libc/inet/inet_addr.c
rename to libc/upstream-openbsd/lib/libc/net/inet_addr.c
index 1360ce9..18762ab 100644
--- a/libc/upstream-netbsd/common/lib/libc/inet/inet_addr.c
+++ b/libc/upstream-openbsd/lib/libc/net/inet_addr.c
@@ -1,6 +1,8 @@
-/* $NetBSD: inet_addr.c,v 1.3 2012/03/09 15:41:16 christos Exp $ */
+/* $OpenBSD: inet_addr.c,v 1.10 2013/11/24 23:51:28 deraadt Exp $ */
/*
+ * ++Copyright++ 1983, 1990, 1993
+ * -
* Copyright (c) 1983, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
@@ -12,11 +14,7 @@
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
@@ -31,9 +29,7 @@
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
- */
-
-/*
+ * -
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* Permission to use, copy, modify, and distribute this software for any
@@ -51,63 +47,23 @@
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
+ * -
+ * --Copyright--
*/
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#if !defined(_KERNEL) && !defined(_STANDALONE)
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static const char sccsid[] = "@(#)inet_addr.c 8.1 (Berkeley) 6/17/93";
-static const char rcsid[] = "Id: inet_addr.c,v 1.2.206.2 2004/03/17 00:29:45 marka Exp";
-#else
-__RCSID("$NetBSD: inet_addr.c,v 1.3 2012/03/09 15:41:16 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "port_before.h"
-
-#include "namespace.h"
#include <sys/types.h>
#include <sys/param.h>
-
#include <netinet/in.h>
#include <arpa/inet.h>
-
#include <ctype.h>
-#include "port_after.h"
-
-#ifdef __weak_alias
-__weak_alias(inet_aton,_inet_aton)
-#endif
-#else
-#include <lib/libkern/libkern.h>
-#include <netinet/in.h>
-#endif
-
/*
* Ascii internet address interpretation routine.
* The value returned is in network order.
*/
-uint32_t
-inet_addr(const char *cp) {
+in_addr_t
+inet_addr(const char *cp)
+{
struct in_addr val;
if (inet_aton(cp, &val))
@@ -123,14 +79,13 @@
* cannot distinguish between failure and a local broadcast address.
*/
int
-inet_aton(const char *cp, struct in_addr *addr) {
- uint32_t val;
- int base;
- size_t n;
+inet_aton(const char *cp, struct in_addr *addr)
+{
+ in_addr_t val;
+ int base, n;
char c;
- uint8_t parts[4];
- uint8_t *pp = parts;
- int digit;
+ u_int parts[4];
+ u_int *pp = parts;
c = *cp;
for (;;) {
@@ -141,29 +96,25 @@
*/
if (!isdigit((unsigned char)c))
return (0);
- val = 0; base = 10; digit = 0;
+ val = 0; base = 10;
if (c == '0') {
c = *++cp;
if (c == 'x' || c == 'X')
base = 16, c = *++cp;
- else {
+ else
base = 8;
- digit = 1 ;
- }
}
for (;;) {
- if (isascii(c) && isdigit((unsigned char)c)) {
- if (base == 8 && (c == '8' || c == '9'))
- return (0);
+ if (isascii((unsigned char)c) &&
+ isdigit((unsigned char)c)) {
val = (val * base) + (c - '0');
c = *++cp;
- digit = 1;
- } else if (base == 16 && isascii(c) &&
- isxdigit((unsigned char)c)) {
+ } else if (base == 16 &&
+ isascii((unsigned char)c) &&
+ isxdigit((unsigned char)c)) {
val = (val << 4) |
- (c + 10 - (islower((unsigned char)c) ? 'a' : 'A'));
+ (c + 10 - (islower((unsigned char)c) ? 'a' : 'A'));
c = *++cp;
- digit = 1;
} else
break;
}
@@ -174,7 +125,7 @@
* a.b.c (with c treated as 16 bits)
* a.b (with b treated as 24 bits)
*/
- if (pp >= parts + 3 || val > 0xffU)
+ if (pp >= parts + 3)
return (0);
*pp++ = val;
c = *++cp;
@@ -184,12 +135,8 @@
/*
* Check for trailing characters.
*/
- if (c != '\0' && (!isascii(c) || !isspace((unsigned char)c)))
- return (0);
- /*
- * Did we get a valid digit?
- */
- if (!digit)
+ if (c != '\0' &&
+ (!isascii((unsigned char)c) || !isspace((unsigned char)c)))
return (0);
/*
* Concoct the address according to
@@ -197,28 +144,32 @@
*/
n = pp - parts + 1;
switch (n) {
+
+ case 0:
+ return (0); /* initial nondigit */
+
case 1: /* a -- 32 bits */
break;
case 2: /* a.b -- 8.24 bits */
- if (val > 0xffffffU)
+ if ((val > 0xffffff) || (parts[0] > 0xff))
return (0);
val |= parts[0] << 24;
break;
case 3: /* a.b.c -- 8.8.16 bits */
- if (val > 0xffffU)
+ if ((val > 0xffff) || (parts[0] > 0xff) || (parts[1] > 0xff))
return (0);
val |= (parts[0] << 24) | (parts[1] << 16);
break;
case 4: /* a.b.c.d -- 8.8.8.8 bits */
- if (val > 0xffU)
+ if ((val > 0xff) || (parts[0] > 0xff) || (parts[1] > 0xff) || (parts[2] > 0xff))
return (0);
val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
break;
}
- if (addr != NULL)
+ if (addr)
addr->s_addr = htonl(val);
return (1);
}
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c b/libc/upstream-openbsd/lib/libc/net/inet_lnaof.c
similarity index 67%
copy from libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
copy to libc/upstream-openbsd/lib/libc/net/inet_lnaof.c
index 6ed023b..b1a58cd 100644
--- a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
+++ b/libc/upstream-openbsd/lib/libc/net/inet_lnaof.c
@@ -1,5 +1,4 @@
-/* $NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $ */
-
+/* $OpenBSD: inet_lnaof.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
@@ -29,36 +28,24 @@
* SUCH DAMAGE.
*/
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "namespace.h"
-#include <sys/types.h>
-#include <sys/socket.h>
+#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef __weak_alias
-__weak_alias(inet_ntoa,_inet_ntoa)
-#endif
/*
- * Convert network-format internet address
- * to base 256 d.d.d.d representation.
+ * Return the local network address portion of an
+ * internet address; handles class a/b/c network
+ * number formats.
*/
-/*const*/ char *
-inet_ntoa(struct in_addr in) {
- static char ret[18];
+in_addr_t
+inet_lnaof(struct in_addr in)
+{
+ in_addr_t i = ntohl(in.s_addr);
- strlcpy(ret, "[inet_ntoa error]", sizeof(ret));
- (void) inet_ntop(AF_INET, &in, ret, (socklen_t)sizeof ret);
- return ret;
+ if (IN_CLASSA(i))
+ return ((i)&IN_CLASSA_HOST);
+ else if (IN_CLASSB(i))
+ return ((i)&IN_CLASSB_HOST);
+ else
+ return ((i)&IN_CLASSC_HOST);
}
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c b/libc/upstream-openbsd/lib/libc/net/inet_makeaddr.c
similarity index 67%
copy from libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
copy to libc/upstream-openbsd/lib/libc/net/inet_makeaddr.c
index 6ed023b..87d9325 100644
--- a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
+++ b/libc/upstream-openbsd/lib/libc/net/inet_makeaddr.c
@@ -1,5 +1,4 @@
-/* $NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $ */
-
+/* $OpenBSD: inet_makeaddr.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
@@ -29,36 +28,27 @@
* SUCH DAMAGE.
*/
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "namespace.h"
-#include <sys/types.h>
-#include <sys/socket.h>
+#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef __weak_alias
-__weak_alias(inet_ntoa,_inet_ntoa)
-#endif
/*
- * Convert network-format internet address
- * to base 256 d.d.d.d representation.
+ * Formulate an Internet address from network + host. Used in
+ * building addresses stored in the ifnet structure.
*/
-/*const*/ char *
-inet_ntoa(struct in_addr in) {
- static char ret[18];
+struct in_addr
+inet_makeaddr(in_addr_t net, in_addr_t host)
+{
+ in_addr_t addr;
- strlcpy(ret, "[inet_ntoa error]", sizeof(ret));
- (void) inet_ntop(AF_INET, &in, ret, (socklen_t)sizeof ret);
- return ret;
+ if (net < 128)
+ addr = (net << IN_CLASSA_NSHIFT) | (host & IN_CLASSA_HOST);
+ else if (net < 65536)
+ addr = (net << IN_CLASSB_NSHIFT) | (host & IN_CLASSB_HOST);
+ else if (net < 16777216L)
+ addr = (net << IN_CLASSC_NSHIFT) | (host & IN_CLASSC_HOST);
+ else
+ addr = net | host;
+ addr = htonl(addr);
+ return (*(struct in_addr *)&addr);
}
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c b/libc/upstream-openbsd/lib/libc/net/inet_netof.c
similarity index 67%
copy from libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
copy to libc/upstream-openbsd/lib/libc/net/inet_netof.c
index 6ed023b..2f468c3 100644
--- a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
+++ b/libc/upstream-openbsd/lib/libc/net/inet_netof.c
@@ -1,5 +1,4 @@
-/* $NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $ */
-
+/* $OpenBSD: inet_netof.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
@@ -29,36 +28,23 @@
* SUCH DAMAGE.
*/
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "namespace.h"
-#include <sys/types.h>
-#include <sys/socket.h>
+#include <sys/param.h>
#include <netinet/in.h>
#include <arpa/inet.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef __weak_alias
-__weak_alias(inet_ntoa,_inet_ntoa)
-#endif
/*
- * Convert network-format internet address
- * to base 256 d.d.d.d representation.
+ * Return the network number from an internet
+ * address; handles class a/b/c network #'s.
*/
-/*const*/ char *
-inet_ntoa(struct in_addr in) {
- static char ret[18];
+in_addr_t
+inet_netof(struct in_addr in)
+{
+ in_addr_t i = ntohl(in.s_addr);
- strlcpy(ret, "[inet_ntoa error]", sizeof(ret));
- (void) inet_ntop(AF_INET, &in, ret, (socklen_t)sizeof ret);
- return ret;
+ if (IN_CLASSA(i))
+ return (((i)&IN_CLASSA_NET) >> IN_CLASSA_NSHIFT);
+ else if (IN_CLASSB(i))
+ return (((i)&IN_CLASSB_NET) >> IN_CLASSB_NSHIFT);
+ else
+ return (((i)&IN_CLASSC_NET) >> IN_CLASSC_NSHIFT);
}
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c b/libc/upstream-openbsd/lib/libc/net/inet_network.c
similarity index 62%
copy from libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
copy to libc/upstream-openbsd/lib/libc/net/inet_network.c
index 6ed023b..ecf554e 100644
--- a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
+++ b/libc/upstream-openbsd/lib/libc/net/inet_network.c
@@ -1,5 +1,4 @@
-/* $NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $ */
-
+/* $OpenBSD: inet_network.c,v 1.11 2013/11/25 17:29:19 deraadt Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
@@ -29,36 +28,57 @@
* SUCH DAMAGE.
*/
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "namespace.h"
#include <sys/types.h>
-#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef __weak_alias
-__weak_alias(inet_ntoa,_inet_ntoa)
-#endif
+#include <ctype.h>
/*
- * Convert network-format internet address
- * to base 256 d.d.d.d representation.
+ * Internet network address interpretation routine.
+ * The library routines call this routine to interpret
+ * network numbers.
*/
-/*const*/ char *
-inet_ntoa(struct in_addr in) {
- static char ret[18];
+in_addr_t
+inet_network(const char *cp)
+{
+ in_addr_t val, base, n;
+ u_char c;
+ in_addr_t parts[4], *pp = parts;
+ int i;
- strlcpy(ret, "[inet_ntoa error]", sizeof(ret));
- (void) inet_ntop(AF_INET, &in, ret, (socklen_t)sizeof ret);
- return ret;
+again:
+ val = 0; base = 10;
+ if (*cp == '0')
+ base = 8, cp++;
+ if (*cp == 'x' || *cp == 'X')
+ base = 16, cp++;
+ while ((c = *cp)) {
+ if (isdigit(c)) {
+ val = (val * base) + (c - '0');
+ cp++;
+ continue;
+ }
+ if (base == 16 && isxdigit(c)) {
+ val = (val << 4) + (c + 10 - (islower(c) ? 'a' : 'A'));
+ cp++;
+ continue;
+ }
+ break;
+ }
+ if (*cp == '.') {
+ if (pp >= parts + 3)
+ return (INADDR_NONE);
+ *pp++ = val, cp++;
+ goto again;
+ }
+ if (*cp && !isspace(*cp))
+ return (INADDR_NONE);
+ *pp++ = val;
+ n = pp - parts;
+ for (val = 0, i = 0; i < 4; i++) {
+ val <<= 8;
+ if (i < n)
+ val |= parts[i] & 0xff;
+ }
+ return (val);
}
diff --git a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c b/libc/upstream-openbsd/lib/libc/net/inet_ntoa.c
similarity index 73%
rename from libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
rename to libc/upstream-openbsd/lib/libc/net/inet_ntoa.c
index 6ed023b..ff5d93d 100644
--- a/libc/upstream-netbsd/lib/libc/inet/inet_ntoa.c
+++ b/libc/upstream-openbsd/lib/libc/net/inet_ntoa.c
@@ -1,5 +1,4 @@
-/* $NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $ */
-
+/* $OpenBSD: inet_ntoa.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
@@ -29,36 +28,24 @@
* SUCH DAMAGE.
*/
-#include <sys/cdefs.h>
-#if defined(LIBC_SCCS) && !defined(lint)
-#if 0
-static char sccsid[] = "@(#)inet_ntoa.c 8.1 (Berkeley) 6/4/93";
-#else
-__RCSID("$NetBSD: inet_ntoa.c,v 1.2 2012/03/13 21:13:38 christos Exp $");
-#endif
-#endif /* LIBC_SCCS and not lint */
-
-#include "namespace.h"
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <stdio.h>
-#include <string.h>
-
-#ifdef __weak_alias
-__weak_alias(inet_ntoa,_inet_ntoa)
-#endif
-
/*
* Convert network-format internet address
* to base 256 d.d.d.d representation.
*/
-/*const*/ char *
-inet_ntoa(struct in_addr in) {
- static char ret[18];
+#include <sys/types.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <stdio.h>
- strlcpy(ret, "[inet_ntoa error]", sizeof(ret));
- (void) inet_ntop(AF_INET, &in, ret, (socklen_t)sizeof ret);
- return ret;
+char *
+inet_ntoa(struct in_addr in)
+{
+ static char b[18];
+ char *p;
+
+ p = (char *)∈
+#define UC(b) (((int)b)&0xff)
+ (void)snprintf(b, sizeof(b),
+ "%u.%u.%u.%u", UC(p[0]), UC(p[1]), UC(p[2]), UC(p[3]));
+ return (b);
}
diff --git a/libc/upstream-openbsd/lib/libc/net/inet_ntop.c b/libc/upstream-openbsd/lib/libc/net/inet_ntop.c
new file mode 100644
index 0000000..359acd8
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/net/inet_ntop.c
@@ -0,0 +1,205 @@
+/* $OpenBSD: inet_ntop.c,v 1.9 2014/02/05 14:20:43 millert Exp $ */
+
+/* Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <string.h>
+#include <errno.h>
+#include <stdio.h>
+
+/*
+ * WARNING: Don't even consider trying to compile this on a system where
+ * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
+ */
+
+static const char *inet_ntop4(const u_char *src, char *dst, size_t size);
+static const char *inet_ntop6(const u_char *src, char *dst, size_t size);
+
+/* const char *
+ * inet_ntop(af, src, dst, size)
+ * convert a network format address to presentation format.
+ * return:
+ * pointer to presentation format address (`dst'), or NULL (see errno).
+ * author:
+ * Paul Vixie, 1996.
+ */
+const char *
+inet_ntop(int af, const void *src, char *dst, socklen_t size)
+{
+ switch (af) {
+ case AF_INET:
+ return (inet_ntop4(src, dst, (size_t)size));
+ case AF_INET6:
+ return (inet_ntop6(src, dst, (size_t)size));
+ default:
+ errno = EAFNOSUPPORT;
+ return (NULL);
+ }
+ /* NOTREACHED */
+}
+
+/* const char *
+ * inet_ntop4(src, dst, size)
+ * format an IPv4 address, more or less like inet_ntoa()
+ * return:
+ * `dst' (as a const)
+ * notes:
+ * (1) uses no statics
+ * (2) takes a u_char* not an in_addr as input
+ * author:
+ * Paul Vixie, 1996.
+ */
+static const char *
+inet_ntop4(const u_char *src, char *dst, size_t size)
+{
+ static const char fmt[] = "%u.%u.%u.%u";
+ char tmp[sizeof "255.255.255.255"];
+ int l;
+
+ l = snprintf(tmp, size, fmt, src[0], src[1], src[2], src[3]);
+ if (l <= 0 || l >= size) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ strlcpy(dst, tmp, size);
+ return (dst);
+}
+
+/* const char *
+ * inet_ntop6(src, dst, size)
+ * convert IPv6 binary address into presentation (printable) format
+ * author:
+ * Paul Vixie, 1996.
+ */
+static const char *
+inet_ntop6(const u_char *src, char *dst, size_t size)
+{
+ /*
+ * Note that int32_t and int16_t need only be "at least" large enough
+ * to contain a value of the specified size. On some systems, like
+ * Crays, there is no such thing as an integer variable with 16 bits.
+ * Keep this in mind if you think this function should have been coded
+ * to use pointer overlays. All the world's not a VAX.
+ */
+ char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
+ char *tp, *ep;
+ struct { int base, len; } best, cur;
+ u_int words[IN6ADDRSZ / INT16SZ];
+ int i;
+ int advance;
+
+ /*
+ * Preprocess:
+ * Copy the input (bytewise) array into a wordwise array.
+ * Find the longest run of 0x00's in src[] for :: shorthanding.
+ */
+ memset(words, '\0', sizeof words);
+ for (i = 0; i < IN6ADDRSZ; i++)
+ words[i / 2] |= (src[i] << ((1 - (i % 2)) << 3));
+ best.base = -1;
+ cur.base = -1;
+ for (i = 0; i < (IN6ADDRSZ / INT16SZ); i++) {
+ if (words[i] == 0) {
+ if (cur.base == -1)
+ cur.base = i, cur.len = 1;
+ else
+ cur.len++;
+ } else {
+ if (cur.base != -1) {
+ if (best.base == -1 || cur.len > best.len)
+ best = cur;
+ cur.base = -1;
+ }
+ }
+ }
+ if (cur.base != -1) {
+ if (best.base == -1 || cur.len > best.len)
+ best = cur;
+ }
+ if (best.base != -1 && best.len < 2)
+ best.base = -1;
+
+ /*
+ * Format the result.
+ */
+ tp = tmp;
+ ep = tmp + sizeof(tmp);
+ for (i = 0; i < (IN6ADDRSZ / INT16SZ) && tp < ep; i++) {
+ /* Are we inside the best run of 0x00's? */
+ if (best.base != -1 && i >= best.base &&
+ i < (best.base + best.len)) {
+ if (i == best.base) {
+ if (tp + 1 >= ep) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ *tp++ = ':';
+ }
+ continue;
+ }
+ /* Are we following an initial run of 0x00s or any real hex? */
+ if (i != 0) {
+ if (tp + 1 >= ep) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ *tp++ = ':';
+ }
+ /* Is this address an encapsulated IPv4? */
+ if (i == 6 && best.base == 0 &&
+ (best.len == 6 || (best.len == 5 && words[5] == 0xffff))) {
+ if (!inet_ntop4(src+12, tp, (size_t)(ep - tp)))
+ return (NULL);
+ tp += strlen(tp);
+ break;
+ }
+ advance = snprintf(tp, ep - tp, "%x", words[i]);
+ if (advance <= 0 || advance >= ep - tp) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ tp += advance;
+ }
+ /* Was it a trailing run of 0x00's? */
+ if (best.base != -1 && (best.base + best.len) == (IN6ADDRSZ / INT16SZ)) {
+ if (tp + 1 >= ep) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ *tp++ = ':';
+ }
+ if (tp + 1 >= ep) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ *tp++ = '\0';
+
+ /*
+ * Check for overflow, copy, and we're done.
+ */
+ if ((size_t)(tp - tmp) > size) {
+ errno = ENOSPC;
+ return (NULL);
+ }
+ strlcpy(dst, tmp, size);
+ return (dst);
+}
diff --git a/libc/upstream-openbsd/lib/libc/net/inet_pton.c b/libc/upstream-openbsd/lib/libc/net/inet_pton.c
new file mode 100644
index 0000000..7e521c3
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/net/inet_pton.c
@@ -0,0 +1,213 @@
+/* $OpenBSD: inet_pton.c,v 1.8 2010/05/06 15:47:14 claudio Exp $ */
+
+/* Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <arpa/nameser.h>
+#include <string.h>
+#include <errno.h>
+
+/*
+ * WARNING: Don't even consider trying to compile this on a system where
+ * sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
+ */
+
+static int inet_pton4(const char *src, u_char *dst);
+static int inet_pton6(const char *src, u_char *dst);
+
+/* int
+ * inet_pton(af, src, dst)
+ * convert from presentation format (which usually means ASCII printable)
+ * to network format (which is usually some kind of binary format).
+ * return:
+ * 1 if the address was valid for the specified address family
+ * 0 if the address wasn't valid (`dst' is untouched in this case)
+ * -1 if some other error occurred (`dst' is untouched in this case, too)
+ * author:
+ * Paul Vixie, 1996.
+ */
+int
+inet_pton(int af, const char *src, void *dst)
+{
+ switch (af) {
+ case AF_INET:
+ return (inet_pton4(src, dst));
+ case AF_INET6:
+ return (inet_pton6(src, dst));
+ default:
+ errno = EAFNOSUPPORT;
+ return (-1);
+ }
+ /* NOTREACHED */
+}
+
+/* int
+ * inet_pton4(src, dst)
+ * like inet_aton() but without all the hexadecimal and shorthand.
+ * return:
+ * 1 if `src' is a valid dotted quad, else 0.
+ * notice:
+ * does not touch `dst' unless it's returning 1.
+ * author:
+ * Paul Vixie, 1996.
+ */
+static int
+inet_pton4(const char *src, u_char *dst)
+{
+ static const char digits[] = "0123456789";
+ int saw_digit, octets, ch;
+ u_char tmp[INADDRSZ], *tp;
+
+ saw_digit = 0;
+ octets = 0;
+ *(tp = tmp) = 0;
+ while ((ch = *src++) != '\0') {
+ const char *pch;
+
+ if ((pch = strchr(digits, ch)) != NULL) {
+ u_int new = *tp * 10 + (pch - digits);
+
+ if (new > 255)
+ return (0);
+ if (! saw_digit) {
+ if (++octets > 4)
+ return (0);
+ saw_digit = 1;
+ }
+ *tp = new;
+ } else if (ch == '.' && saw_digit) {
+ if (octets == 4)
+ return (0);
+ *++tp = 0;
+ saw_digit = 0;
+ } else
+ return (0);
+ }
+ if (octets < 4)
+ return (0);
+
+ memcpy(dst, tmp, INADDRSZ);
+ return (1);
+}
+
+/* int
+ * inet_pton6(src, dst)
+ * convert presentation level address to network order binary form.
+ * return:
+ * 1 if `src' is a valid [RFC1884 2.2] address, else 0.
+ * notice:
+ * does not touch `dst' unless it's returning 1.
+ * credit:
+ * inspired by Mark Andrews.
+ * author:
+ * Paul Vixie, 1996.
+ */
+static int
+inet_pton6(const char *src, u_char *dst)
+{
+ static const char xdigits_l[] = "0123456789abcdef",
+ xdigits_u[] = "0123456789ABCDEF";
+ u_char tmp[IN6ADDRSZ], *tp, *endp, *colonp;
+ const char *xdigits, *curtok;
+ int ch, saw_xdigit, count_xdigit;
+ u_int val;
+
+ memset((tp = tmp), '\0', IN6ADDRSZ);
+ endp = tp + IN6ADDRSZ;
+ colonp = NULL;
+ /* Leading :: requires some special handling. */
+ if (*src == ':')
+ if (*++src != ':')
+ return (0);
+ curtok = src;
+ saw_xdigit = count_xdigit = 0;
+ val = 0;
+ while ((ch = *src++) != '\0') {
+ const char *pch;
+
+ if ((pch = strchr((xdigits = xdigits_l), ch)) == NULL)
+ pch = strchr((xdigits = xdigits_u), ch);
+ if (pch != NULL) {
+ if (count_xdigit >= 4)
+ return (0);
+ val <<= 4;
+ val |= (pch - xdigits);
+ if (val > 0xffff)
+ return (0);
+ saw_xdigit = 1;
+ count_xdigit++;
+ continue;
+ }
+ if (ch == ':') {
+ curtok = src;
+ if (!saw_xdigit) {
+ if (colonp)
+ return (0);
+ colonp = tp;
+ continue;
+ } else if (*src == '\0') {
+ return (0);
+ }
+ if (tp + INT16SZ > endp)
+ return (0);
+ *tp++ = (u_char) (val >> 8) & 0xff;
+ *tp++ = (u_char) val & 0xff;
+ saw_xdigit = 0;
+ count_xdigit = 0;
+ val = 0;
+ continue;
+ }
+ if (ch == '.' && ((tp + INADDRSZ) <= endp) &&
+ inet_pton4(curtok, tp) > 0) {
+ tp += INADDRSZ;
+ saw_xdigit = 0;
+ count_xdigit = 0;
+ break; /* '\0' was seen by inet_pton4(). */
+ }
+ return (0);
+ }
+ if (saw_xdigit) {
+ if (tp + INT16SZ > endp)
+ return (0);
+ *tp++ = (u_char) (val >> 8) & 0xff;
+ *tp++ = (u_char) val & 0xff;
+ }
+ if (colonp != NULL) {
+ /*
+ * Since some memmove()'s erroneously fail to handle
+ * overlapping regions, we'll do the shift by hand.
+ */
+ const int n = tp - colonp;
+ int i;
+
+ if (tp == endp)
+ return (0);
+ for (i = 1; i <= n; i++) {
+ endp[- i] = colonp[n - i];
+ colonp[n - i] = 0;
+ }
+ tp = endp;
+ }
+ if (tp != endp)
+ return (0);
+ memcpy(dst, tmp, IN6ADDRSZ);
+ return (1);
+}
diff --git a/libc/upstream-openbsd/lib/libc/net/ntohl.c b/libc/upstream-openbsd/lib/libc/net/ntohl.c
new file mode 100644
index 0000000..36414b7
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/net/ntohl.c
@@ -0,0 +1,21 @@
+/* $OpenBSD: ntohl.c,v 1.6 2005/08/06 20:30:03 espie Exp $ */
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <sys/types.h>
+#include <machine/endian.h>
+
+#undef ntohl
+
+u_int32_t
+ntohl(u_int32_t x)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+ u_char *s = (u_char *)&x;
+ return (u_int32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
+#else
+ return x;
+#endif
+}
diff --git a/libc/upstream-openbsd/lib/libc/net/ntohs.c b/libc/upstream-openbsd/lib/libc/net/ntohs.c
new file mode 100644
index 0000000..8f345e8
--- /dev/null
+++ b/libc/upstream-openbsd/lib/libc/net/ntohs.c
@@ -0,0 +1,21 @@
+/* $OpenBSD: ntohs.c,v 1.8 2005/08/06 20:30:03 espie Exp $ */
+/*
+ * Written by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <sys/types.h>
+#include <machine/endian.h>
+
+#undef ntohs
+
+u_int16_t
+ntohs(u_int16_t x)
+{
+#if BYTE_ORDER == LITTLE_ENDIAN
+ u_char *s = (u_char *) &x;
+ return (u_int16_t)(s[0] << 8 | s[1]);
+#else
+ return x;
+#endif
+}
diff --git a/tests/Android.mk b/tests/Android.mk
index b17492a..4ad07ba 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -44,6 +44,7 @@
-std=gnu++11 \
libBionicStandardTests_src_files := \
+ arpa_inet_test.cpp \
buffer_tests.cpp \
ctype_test.cpp \
dirent_test.cpp \
diff --git a/tests/arpa_inet_test.cpp b/tests/arpa_inet_test.cpp
new file mode 100644
index 0000000..cee9f36
--- /dev/null
+++ b/tests/arpa_inet_test.cpp
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gtest/gtest.h>
+
+#include <arpa/inet.h>
+
+TEST(arpa_inet, inet_addr) {
+ ASSERT_EQ((htonl)(0x7f000001), inet_addr("127.0.0.1"));
+}
+
+TEST(arpa_inet, inet_aton) {
+ in_addr a;
+ ASSERT_EQ(1, inet_aton("127.0.0.1", &a));
+ ASSERT_EQ((htonl)(0x7f000001), a.s_addr);
+}
+
+TEST(arpa_inet, inet_lnaof) {
+ in_addr a = { htonl(0x12345678) };
+ ASSERT_EQ(0x00345678U, inet_lnaof(a));
+}
+
+TEST(arpa_inet, inet_makeaddr) {
+ in_addr a = inet_makeaddr(0x12U, 0x345678);
+ ASSERT_EQ((htonl)(0x12345678), a.s_addr);
+}
+
+TEST(arpa_inet, inet_netof) {
+ in_addr a = { htonl(0x12345678) };
+ ASSERT_EQ(0x12U, inet_netof(a));
+}
+
+TEST(arpa_inet, inet_network) {
+ ASSERT_EQ(0x7f000001U, inet_network("127.0.0.1"));
+}
+
+TEST(arpa_inet, inet_ntoa) {
+ in_addr a = { (htonl)(0x7f000001) };
+ ASSERT_STREQ("127.0.0.1", inet_ntoa(a));
+}
+
+TEST(arpa_inet, inet_pton__inet_ntop) {
+ sockaddr_storage ss;
+ ASSERT_EQ(1, inet_pton(AF_INET, "127.0.0.1", &ss));
+
+ char s[INET_ADDRSTRLEN];
+ ASSERT_STREQ("127.0.0.1", inet_ntop(AF_INET, &ss, s, INET_ADDRSTRLEN));
+}