path: root/main/opensmtpd/00-opensmtpd.patch

diff --git a/configure.ac b/configure.ac
index a93a08f..55f41c1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -685,6 +685,7 @@ AC_CHECK_FUNCS([ \
 	getpeereid \
 	getspnam \
 	inet_aton \
+	inet_net_pton \
 	inet_ntoa \
 	inet_ntop \
 	isblank \
@@ -693,6 +694,7 @@ AC_CHECK_FUNCS([ \
 	pidfile \
 	pw_dup \
 	reallocarray \
+	res_hnok \
 	setenv \
 	setlinebuf \
 	setproctitle \
diff --git a/openbsd-compat/Makefile.am b/openbsd-compat/Makefile.am
index 5c55faa..fdee88e 100644
--- a/openbsd-compat/Makefile.am
+++ b/openbsd-compat/Makefile.am
@@ -5,9 +5,9 @@ libopenbsd_compat_a_SOURCES =							\
 		bsd-getpeereid.c bsd-misc.c bsd-waitpid.c clock_gettime.c	\
 		daemon.c dirname.c entropy.c errc.c event_asr_run.c explicit_bzero.c	\
 		fgetln.c fmt_scaled.c fparseln.c getopt.c imsg.c imsg-buffer.c	\
-		libressl.c mktemp.c pidfile.c pw_dup.c reallocarray.c setresguid.c	\
-		setproctitle.c strlcat.c strlcpy.c strmode.c strtonum.c		\
-		strsep.c vis.c xmalloc.c
+		inet_net_pton.c libressl.c mktemp.c pidfile.c pw_dup.c reallocarray.c	\
+		res_hnok.c setresguid.c setproctitle.c strlcat.c strlcpy.c strmode.c	\
+		strtonum.c strsep.c vis.c xmalloc.c
 
 EXTRA_DIST =	base64.h bsd-misc.h bsd-waitpid.h chacha_private.h defines.h	\
 		entropy.h imsg.h includes.h log.h openbsd-compat.h sys/queue.h	\
diff --git a/openbsd-compat/defines.h b/openbsd-compat/defines.h
index e1abee6..f0f5f59 100644
--- a/openbsd-compat/defines.h
+++ b/openbsd-compat/defines.h
@@ -857,4 +857,12 @@ struct winsize {
 #define FPARSELN_UNESCALL       0x0f
 #endif
 
+#ifndef SCOPE_DELIMITER
+#define SCOPE_DELIMITER '%'
+#endif
+
+#ifndef WAIT_MYPGRP
+#define WAIT_MYPGRP 0
+#endif
+
 #endif /* _DEFINES_H */
diff --git a/openbsd-compat/inet_net_pton.c b/openbsd-compat/inet_net_pton.c
new file mode 100644
index 0000000..0831e25
--- /dev/null
+++ b/openbsd-compat/inet_net_pton.c
@@ -0,0 +1,214 @@
+/*
+ * 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char orig_rcsid[] = "From Id: inet_net_pton.c,v 1.8 1996/11/21 10:28:12 vixie Exp $";
+#endif
+//#include <sys/cdefs.h>
+//__FBSDID("$FreeBSD: src/lib/libc/net/inet_net_pton.c,v 1.9 2003/09/15 23:38:06 fenner Exp $");
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+#ifdef SPRINTF_CHAR
+# define SPRINTF(x) strlen(sprintf/**/x)
+#else
+# define SPRINTF(x) ((size_t)sprintf x)
+#endif
+
+static int	inet_net_pton_ipv4(const char *src, u_char *dst, size_t size);
+
+/*
+ * static int
+ * inet_net_pton(af, src, dst, size)
+ *	convert network number from presentation to network format.
+ *	accepts hex octets, hex strings, decimal octets, and /CIDR.
+ *	"size" is in bytes and describes "dst".
+ * return:
+ *	number of bits, either imputed classfully or specified with /CIDR,
+ *	or -1 if some failure occurred (check errno).  ENOENT means it was
+ *	not a valid network specification.
+ * author:
+ *	Paul Vixie (ISC), June 1996
+ */
+int
+inet_net_pton(af, src, dst, size)
+	int af;
+	const char *src;
+	void *dst;
+	size_t size;
+{
+	switch (af) {
+	case AF_INET:
+		return (inet_net_pton_ipv4(src, dst, size));
+	default:
+		errno = EAFNOSUPPORT;
+		return (-1);
+	}
+}
+
+/*
+ * static int
+ * inet_net_pton_ipv4(src, dst, size)
+ *	convert IPv4 network number from presentation to network format.
+ *	accepts hex octets, hex strings, decimal octets, and /CIDR.
+ *	"size" is in bytes and describes "dst".
+ * return:
+ *	number of bits, either imputed classfully or specified with /CIDR,
+ *	or -1 if some failure occurred (check errno).  ENOENT means it was
+ *	not an IPv4 network specification.
+ * note:
+ *	network byte order assumed.  this means 192.5.5.240/28 has
+ *	0x11110000 in its fourth octet.
+ * author:
+ *	Paul Vixie (ISC), June 1996
+ */
+static int
+inet_net_pton_ipv4(src, dst, size)
+	const char *src;
+	u_char *dst;
+	size_t size;
+{
+	static const char
+		xdigits[] = "0123456789abcdef",
+		digits[] = "0123456789";
+	int n, ch, tmp, dirty, bits;
+	const u_char *odst = dst;
+
+	ch = *src++;
+	if (ch == '0' && (src[0] == 'x' || src[0] == 'X')
+	    && isascii(src[1]) && isxdigit(src[1])) {
+		/* Hexadecimal: Eat nybble string. */
+		if (size <= 0)
+			goto emsgsize;
+		*dst = 0, dirty = 0;
+		src++;	/* skip x or X. */
+		while ((ch = *src++) != '\0' &&
+		       isascii(ch) && isxdigit(ch)) {
+			if (isupper(ch))
+				ch = tolower(ch);
+			n = strchr(xdigits, ch) - xdigits;
+			assert(n >= 0 && n <= 15);
+			*dst |= n;
+			if (!dirty++)
+				*dst <<= 4;
+			else if (size-- > 0)
+				*++dst = 0, dirty = 0;
+			else
+				goto emsgsize;
+		}
+		if (dirty)
+			size--;
+	} else if (isascii(ch) && isdigit(ch)) {
+		/* Decimal: eat dotted digit string. */
+		for (;;) {
+			tmp = 0;
+			do {
+				n = strchr(digits, ch) - digits;
+				assert(n >= 0 && n <= 9);
+				tmp *= 10;
+				tmp += n;
+				if (tmp > 255)
+					goto enoent;
+			} while ((ch = *src++) != '\0' &&
+				 isascii(ch) && isdigit(ch));
+			if (size-- <= 0)
+				goto emsgsize;
+			*dst++ = (u_char) tmp;
+			if (ch == '\0' || ch == '/')
+				break;
+			if (ch != '.')
+				goto enoent;
+			ch = *src++;
+			if (!isascii(ch) || !isdigit(ch))
+				goto enoent;
+		}
+	} else
+		goto enoent;
+
+	bits = -1;
+	if (ch == '/' && isascii(src[0]) && isdigit(src[0]) && dst > odst) {
+		/* CIDR width specifier.  Nothing can follow it. */
+		ch = *src++;	/* Skip over the /. */
+		bits = 0;
+		do {
+			n = strchr(digits, ch) - digits;
+			assert(n >= 0 && n <= 9);
+			bits *= 10;
+			bits += n;
+		} while ((ch = *src++) != '\0' && isascii(ch) && isdigit(ch));
+		if (ch != '\0')
+			goto enoent;
+		if (bits > 32)
+			goto emsgsize;
+	}
+
+	/* Firey death and destruction unless we prefetched EOS. */
+	if (ch != '\0')
+		goto enoent;
+
+	/* If nothing was written to the destination, we found no address. */
+	if (dst == odst)
+		goto enoent;
+	/* If no CIDR spec was given, infer width from net class. */
+	if (bits == -1) {
+		if (*odst >= 240)	/* Class E */
+			bits = 32;
+		else if (*odst >= 224)	/* Class D */
+			bits = 4;
+		else if (*odst >= 192)	/* Class C */
+			bits = 24;
+		else if (*odst >= 128)	/* Class B */
+			bits = 16;
+		else			/* Class A */
+			bits = 8;
+		/* If imputed mask is narrower than specified octets, widen. */
+		if (bits < ((dst - odst) * 8))
+			bits = (dst - odst) * 8;
+	}
+	/* Extend network to cover the actual mask. */
+	while (bits > ((dst - odst) * 8)) {
+		if (size-- <= 0)
+			goto emsgsize;
+		*dst++ = '\0';
+	}
+	return (bits);
+
+ enoent:
+	errno = ENOENT;
+	return (-1);
+
+ emsgsize:
+	errno = EMSGSIZE;
+	return (-1);
+}
+
+/*
+ * Weak aliases for applications that use certain private entry points,
+ * and fail to include <arpa/inet.h>.
+ */
+#undef inet_net_pton
+/* __weak_reference(__inet_net_pton, inet_net_pton); */
diff --git a/openbsd-compat/openbsd-compat.h b/openbsd-compat/openbsd-compat.h
index e345a9d..a3fa80c 100644
--- a/openbsd-compat/openbsd-compat.h
+++ b/openbsd-compat/openbsd-compat.h
@@ -184,8 +184,20 @@ int vsnprintf(char *, size_t, const char *, va_list);
 void explicit_bzero(void *p, size_t n);
 #endif
 
+#ifndef HAVE_INET_NET_PTON
+int inet_net_pton(int, const char *, void *, size_t);
+#endif
+
+#ifndef HAVE_RES_HNOK
+int res_hnok(const char *);
+#endif
+
 /* OpenSMTPD-portable specific entries */
 
+#ifndef FILE
+#include <stdio.h>
+#endif
+
 #ifndef HAVE_FGETLN
 #include <stdio.h>
 #include <string.h>
diff --git a/openbsd-compat/res_hnok.c b/openbsd-compat/res_hnok.c
new file mode 100644
index 0000000..06a3e8a
--- /dev/null
+++ b/openbsd-compat/res_hnok.c
@@ -0,0 +1,168 @@
+/*	$OpenBSD: res_comp.c,v 1.14 2008/04/16 22:35:23 deraadt Exp $	*/
+
+/*
+ * ++Copyright++ 1985, 1993
+ * -
+ * Copyright (c) 1985, 1993
+ *    The Regents of the University of California.  All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 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. 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.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * 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
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies, and that
+ * the name of Digital Equipment Corporation not be used in advertising or
+ * publicity pertaining to distribution of the document or software without
+ * specific, written prior permission.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
+ * CORPORATION 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.
+ * -
+ * --Copyright--
+ */
+
+/* OPENBSD ORIGINAL: lib/libc/net/res_comp.c */
+
+#include "includes.h"
+#ifndef HAVE_RES_HNOK
+
+/*
+ * Verify that a domain name uses an acceptable character set.
+ */
+
+/*
+ * Note the conspicuous absence of ctype macros in these definitions.  On
+ * non-ASCII hosts, we can't depend on string literals or ctype macros to
+ * tell us anything about network-format data.  The rest of the BIND system
+ * is not careful about this, but for some reason, we're doing it right here.
+ */
+#define PERIOD 0x2e
+#define	hyphenchar(c) ((c) == 0x2d)
+#define bslashchar(c) ((c) == 0x5c)
+#define underscorechar(c) ((c) == 0x5f)
+#define periodchar(c) ((c) == PERIOD)
+#define asterchar(c) ((c) == 0x2a)
+#define alphachar(c) (((c) >= 0x41 && (c) <= 0x5a) \
+		   || ((c) >= 0x61 && (c) <= 0x7a))
+#define digitchar(c) ((c) >= 0x30 && (c) <= 0x39)
+
+#define borderchar(c) (alphachar(c) || digitchar(c))
+#define middlechar(c) (borderchar(c) || hyphenchar(c) || underscorechar(c))
+#define	domainchar(c) ((c) > 0x20 && (c) < 0x7f)
+
+int
+res_hnok(const char *dn)
+{
+	int pch = PERIOD, ch = *dn++;
+
+	while (ch != '\0') {
+		int nch = *dn++;
+
+		if (periodchar(ch)) {
+			;
+		} else if (periodchar(pch)) {
+			if (!borderchar(ch))
+				return (0);
+		} else if (periodchar(nch) || nch == '\0') {
+			if (!borderchar(ch))
+				return (0);
+		} else {
+			if (!middlechar(ch))
+				return (0);
+		}
+		pch = ch, ch = nch;
+	}
+	return (1);
+}
+
+/*
+ * hostname-like (A, MX, WKS) owners can have "*" as their first label
+ * but must otherwise be as a host name.
+ */
+int
+res_ownok(const char *dn)
+{
+	if (asterchar(dn[0])) {
+		if (periodchar(dn[1]))
+			return (res_hnok(dn+2));
+		if (dn[1] == '\0')
+			return (1);
+	}
+	return (res_hnok(dn));
+}
+
+/*
+ * SOA RNAMEs and RP RNAMEs can have any printable character in their first
+ * label, but the rest of the name has to look like a host name.
+ */
+int
+res_mailok(const char *dn)
+{
+	int ch, escaped = 0;
+
+	/* "." is a valid missing representation */
+	if (*dn == '\0')
+		return(1);
+
+	/* otherwise <label>.<hostname> */
+	while ((ch = *dn++) != '\0') {
+		if (!domainchar(ch))
+			return (0);
+		if (!escaped && periodchar(ch))
+			break;
+		if (escaped)
+			escaped = 0;
+		else if (bslashchar(ch))
+			escaped = 1;
+	}
+	if (periodchar(ch))
+		return (res_hnok(dn));
+	return(0);
+}
+
+/*
+ * This function is quite liberal, since RFC 1034's character sets are only
+ * recommendations.
+ */
+int
+res_dnok(const char *dn)
+{
+	int ch;
+
+	while ((ch = *dn++) != '\0')
+		if (!domainchar(ch))
+			return (0);
+	return (1);
+}
+
+#endif /* !HAVE_RES_HNOK */
diff --git a/openbsd-compat/strmode.c b/openbsd-compat/strmode.c
index 4a81614..535edfb 100644
--- a/openbsd-compat/strmode.c
+++ b/openbsd-compat/strmode.c
@@ -33,6 +33,8 @@
 #include "includes.h"
 #ifndef HAVE_STRMODE
 
+#undef S_IRUSR
+
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <string.h>
diff --git a/smtpd/smtpd.c b/smtpd/smtpd.c
index 763a62d..dfab650 100644
--- a/smtpd/smtpd.c
+++ b/smtpd/smtpd.c
@@ -26,6 +26,7 @@
 #include <sys/tree.h>
 #include <sys/socket.h>
 #include <sys/wait.h>
+#undef S_IRUSR
 #include <sys/stat.h>
 #include <sys/uio.h>
 #include <sys/mman.h>