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-rw-r--r--debian/patches/41_rmail.diff708
1 files changed, 708 insertions, 0 deletions
diff --git a/debian/patches/41_rmail.diff b/debian/patches/41_rmail.diff
new file mode 100644
index 0000000..8664065
--- /dev/null
+++ b/debian/patches/41_rmail.diff
@@ -0,0 +1,708 @@
+Index: postfix-dev/Makefile.in
+===================================================================
+--- postfix-dev.orig/Makefile.in 2019-03-01 11:47:11.561748990 -0500
++++ postfix-dev/Makefile.in 2019-03-01 11:47:11.553748990 -0500
+@@ -8,6 +8,7 @@
+ src/pipe src/showq src/postalias src/postcat src/postconf src/postdrop \
+ src/postkick src/postlock src/postlog src/postmap src/postqueue \
+ src/postsuper src/qmqpd src/spawn src/flush src/verify \
++ rmail \
+ src/virtual src/proxymap src/anvil src/scache src/discard src/tlsmgr \
+ src/postmulti src/postscreen src/dnsblog src/tlsproxy \
+ src/posttls-finger src/postlogd
+Index: postfix-dev/conf/master.cf
+===================================================================
+--- postfix-dev.orig/conf/master.cf 2019-03-01 11:47:11.561748990 -0500
++++ postfix-dev/conf/master.cf 2019-03-01 11:47:11.553748990 -0500
+@@ -110,10 +110,8 @@
+ #
+ # See the Postfix UUCP_README file for configuration details.
+ #
+-#uucp unix - n n - - pipe
+-# flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
+-#
+-# ====================================================================
++uucp unix - n n - - pipe
++ flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
+ #
+ # Other external delivery methods.
+ #
+Index: postfix-dev/rmail/LICENSE
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ postfix-dev/rmail/LICENSE 2019-03-01 11:47:11.553748990 -0500
+@@ -0,0 +1,79 @@
++ SENDMAIL LICENSE
++
++The following license terms and conditions apply, unless a different
++license is obtained from Sendmail, Inc., 6425 Christie Ave, Fourth Floor,
++Emeryville, CA 94608, or by electronic mail at license@sendmail.com.
++
++License Terms:
++
++Use, Modification and Redistribution (including distribution of any
++modified or derived work) in source and binary forms is permitted only if
++each of the following conditions is met:
++
++1. Redistributions qualify as "freeware" or "Open Source Software" under
++ one of the following terms:
++
++ (a) Redistributions are made at no charge beyond the reasonable cost of
++ materials and delivery.
++
++ (b) Redistributions are accompanied by a copy of the Source Code or by an
++ irrevocable offer to provide a copy of the Source Code for up to three
++ years at the cost of materials and delivery. Such redistributions
++ must allow further use, modification, and redistribution of the Source
++ Code under substantially the same terms as this license. For the
++ purposes of redistribution "Source Code" means the complete compilable
++ and linkable source code of sendmail including all modifications.
++
++2. Redistributions of source code must retain the copyright notices as they
++ appear in each source code file, these license terms, and the
++ disclaimer/limitation of liability set forth as paragraph 6 below.
++
++3. Redistributions in binary form must reproduce the Copyright Notice,
++ these license terms, and the disclaimer/limitation of liability set
++ forth as paragraph 6 below, in the documentation and/or other materials
++ provided with the distribution. For the purposes of binary distribution
++ the "Copyright Notice" refers to the following language:
++ "Copyright (c) 1998-2000 Sendmail, Inc. All rights reserved."
++
++4. Neither the name of Sendmail, Inc. nor the University of California nor
++ the names of their contributors may be used to endorse or promote
++ products derived from this software without specific prior written
++ permission. The name "sendmail" is a trademark of Sendmail, Inc.
++
++5. All redistributions must comply with the conditions imposed by the
++ University of California on certain embedded code, whose copyright
++ notice and conditions for redistribution are as follows:
++
++ (a) Copyright (c) 1988, 1993 The Regents of the University of
++ California. All rights reserved.
++
++ (b) Redistribution and use in source and binary forms, with or without
++ modification, are permitted provided that the following conditions
++ are met:
++
++ (i) Redistributions of source code must retain the above copyright
++ notice, this list of conditions and the following disclaimer.
++
++ (ii) 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.
++
++ (iii) 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.
++
++6. Disclaimer/Limitation of Liability: THIS SOFTWARE IS PROVIDED BY
++ SENDMAIL, INC. 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 SENDMAIL, INC., THE REGENTS OF THE UNIVERSITY OF
++ CALIFORNIA 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 DAMAGES.
++
++$Revision: 1.1.2.1 $, Last updated $Date: 2004/12/28 05:34:15 $
+Index: postfix-dev/rmail/Makefile.in
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ postfix-dev/rmail/Makefile.in 2019-03-01 11:47:11.553748990 -0500
+@@ -0,0 +1,56 @@
++SHELL = /bin/sh
++SRCS = rmail.c
++OBJS = rmail.o
++HDRS =
++TESTSRC =
++WARN = -W -Wformat -Wimplicit -Wmissing-prototypes \
++ -Wparentheses -Wstrict-prototypes -Wswitch -Wuninitialized \
++ -Wunused
++DEFS = -I. -I$(INC_DIR) -D$(SYSTYPE) -DHASSNPRINTF -DHASSTRERROR
++CFLAGS = $(DEBUG) $(OPT) $(DEFS)
++TESTPROG=
++PROG = rmail
++INC_DIR =
++LIBS =
++
++.c.o:; $(CC) $(CFLAGS) -c $*.c
++
++$(PROG): $(OBJS) $(LIBS)
++ $(CC) $(CFLAGS) -o $@ $(OBJS) $(LIBS) $(SYSLIBS)
++
++Makefile: Makefile.in
++ cat ../conf/makedefs.out $? >$@
++
++test: $(TESTPROG)
++
++update: ../bin/$(PROG)
++
++../bin/$(PROG): $(PROG)
++ cp $(PROG) ../bin
++
++printfck: $(OBJS) $(PROG)
++ rm -rf printfck
++ mkdir printfck
++ sed '1,/^# do not edit/!d' Makefile >printfck/Makefile
++ set -e; for i in *.c; do printfck -f .printfck $$i >printfck/$$i; done
++ cd printfck; make "INC_DIR=../../include" `cd ..; ls *.o`
++
++lint:
++ lint $(DEFS) $(SRCS) $(LINTFIX)
++
++clean:
++ rm -f *.o *core $(PROG) $(TESTPROG) junk
++ rm -rf printfck
++
++tidy: clean
++
++depend: $(MAKES)
++ (sed '1,/^# do not edit/!d' Makefile.in; \
++ set -e; for i in [a-z][a-z0-9]*.c; do \
++ $(CC) -E $(DEFS) $(INCL) $$i | sed -n -e '/^# *1 *"\([^"]*\)".*/{' \
++ -e 's//'`echo $$i|sed 's/c$$/o/'`': \1/' -e 'p' -e '}'; \
++ done) | grep -v '[.][o][:][ ][/]' >$$$$ && mv $$$$ Makefile.in
++ @make -f Makefile.in Makefile
++
++# do not edit below this line - it is generated by 'make depend'
++rmail.o: rmail.c
+Index: postfix-dev/rmail/rmail.8
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ postfix-dev/rmail/rmail.8 2019-03-01 11:47:11.553748990 -0500
+@@ -0,0 +1,49 @@
++.\" Copyright (c) 1998, 1999 Sendmail, Inc. and its suppliers.
++.\" All rights reserved.
++.\" Copyright (c) 1983, 1990
++.\" The Regents of the University of California. All rights reserved.
++.\"
++.\" By using this file, you agree to the terms and conditions set
++.\" forth in the LICENSE file which can be found at the top level of
++.\" the sendmail distribution.
++.\"
++.\"
++.\" $Id: 10rmail.dpatch,v 1.1.2.1 2004/12/28 05:34:15 lamont Exp $
++.\"
++.TH RMAIL 8 "$Date: 2004/12/28 05:34:15 $"
++.SH NAME
++.B rmail
++\- handle remote mail received via uucp
++.SH SYNOPSIS
++.B rmail
++.I
++user ...
++.SH DESCRIPTION
++.B Rmail
++interprets incoming mail received via
++uucp(1),
++collapsing ``From'' lines in the form generated
++by
++mail.local(8)
++into a single line of the form ``return-path!sender'',
++and passing the processed mail on to
++sendmail(8).
++.PP
++.B Rmail
++is explicitly designed for use with
++uucp
++and
++sendmail.
++.SH SEE ALSO
++uucp(1),
++mail.local(8),
++sendmail(8)
++.SH HISTORY
++The
++.B rmail
++program appeared in
++4.2BSD.
++.SH BUGS
++.B Rmail
++should not reside in
++/bin.
+Index: postfix-dev/rmail/rmail.c
+===================================================================
+--- /dev/null 1970-01-01 00:00:00.000000000 +0000
++++ postfix-dev/rmail/rmail.c 2019-03-01 11:47:11.553748990 -0500
+@@ -0,0 +1,475 @@
++/*
++ * Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers.
++ * All rights reserved.
++ * Copyright (c) 1988, 1993
++ * The Regents of the University of California. All rights reserved.
++ *
++ * By using this file, you agree to the terms and conditions set
++ * forth in the LICENSE file which can be found at the top level of
++ * the sendmail distribution.
++ *
++ */
++
++#ifndef lint
++static char copyright[] =
++"@(#) Copyright (c) 1998-2000 Sendmail, Inc. and its suppliers.\n\
++ All rights reserved.\n\
++ Copyright (c) 1988, 1993\n\
++ The Regents of the University of California. All rights reserved.\n";
++#endif /* ! lint */
++
++#ifndef lint
++static char id[] = "@(#)$Id: 10rmail.dpatch,v 1.1.2.1 2004/12/28 05:34:15 lamont Exp $";
++#endif /* ! lint */
++
++/*
++ * RMAIL -- UUCP mail server.
++ *
++ * This program reads the >From ... remote from ... lines that UUCP is so
++ * fond of and turns them into something reasonable. It then execs sendmail
++ * with various options built from these lines.
++ *
++ * The expected syntax is:
++ *
++ * <user> := [-a-z0-9]+
++ * <date> := ctime format
++ * <site> := [-a-z0-9!]+
++ * <blank line> := "^\n$"
++ * <from> := "From" <space> <user> <space> <date>
++ * [<space> "remote from" <space> <site>]
++ * <forward> := ">" <from>
++ * msg := <from> <forward>* <blank-line> <body>
++ *
++ * The output of rmail(8) compresses the <forward> lines into a single
++ * from path.
++ *
++ * The err(3) routine is included here deliberately to make this code
++ * a bit more portable.
++ */
++
++#include <sys/types.h>
++#include <sys/param.h>
++#include <sys/stat.h>
++#include <sys/wait.h>
++
++#include <ctype.h>
++#include <fcntl.h>
++#ifdef BSD4_4
++# define FORK vfork
++# include <paths.h>
++#else /* BSD4_4 */
++# define FORK fork
++# ifndef _PATH_SENDMAIL
++# define _PATH_SENDMAIL "/usr/lib/sendmail"
++# endif /* ! _PATH_SENDMAIL */
++#endif /* BSD4_4 */
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include <unistd.h>
++#ifdef EX_OK
++# undef EX_OK /* unistd.h may have another use for this */
++#endif /* EX_OK */
++#include <sysexits.h>
++
++#ifndef MAX
++# define MAX(a, b) ((a) < (b) ? (b) : (a))
++#endif /* ! MAX */
++
++#ifndef __P
++# ifdef __STDC__
++# define __P(protos) protos
++# else /* __STDC__ */
++# define __P(protos) ()
++# define const
++# endif /* __STDC__ */
++#endif /* ! __P */
++
++#ifndef STDIN_FILENO
++# define STDIN_FILENO 0
++#endif /* ! STDIN_FILENO */
++
++#if defined(BSD4_4) || defined(linux) || SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) || _AIX4 >= 40300 || defined(HPUX11)
++# define HASSNPRINTF 1
++#endif /* defined(BSD4_4) || defined(linux) || SOLARIS >= 20600 || (SOLARIS < 10000 && SOLARIS >= 206) || _AIX4 >= 40300 || defined(HPUX11) */
++
++#if defined(sun) && !defined(BSD) && !defined(SOLARIS) && !defined(__svr4__) && !defined(__SVR4)
++# define memmove(d, s, l) (bcopy((s), (d), (l)))
++#endif /* defined(sun) && !defined(BSD) && !defined(SOLARIS) && !defined(__svr4__) && !defined(__SVR4) */
++
++#if !HASSNPRINTF
++extern int snprintf __P((char *, size_t, const char *, ...));
++#endif /* !HASSNPRINTF */
++
++#if defined(BSD4_4) || defined(__osf__) || defined(__GNU_LIBRARY__) || defined(IRIX64) || defined(IRIX5) || defined(IRIX6)
++# ifndef HASSTRERROR
++# define HASSTRERROR 1
++# endif /* ! HASSTRERROR */
++#endif /* defined(BSD4_4) || defined(__osf__) || defined(__GNU_LIBRARY__) ||
++ defined(IRIX64) || defined(IRIX5) || defined(IRIX6) */
++
++#if defined(SUNOS403) || defined(NeXT) || (defined(MACH) && defined(i386) && !defined(__GNU__)) || defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) || defined(ALTOS_SYSTEM_V) || defined(RISCOS) || defined(_AUX_SOURCE) || defined(UMAXV) || defined(titan) || defined(UNIXWARE) || defined(sony_news) || defined(luna) || defined(nec_ews_svr4) || defined(_nec_ews_svr4) || defined(__MAXION__)
++# undef WIFEXITED
++# undef WEXITSTATUS
++# define WIFEXITED(st) (((st) & 0377) == 0)
++# define WEXITSTATUS(st) (((st) >> 8) & 0377)
++#endif /* defined(SUNOS403) || defined(NeXT) || (defined(MACH) && defined(i386) && !defined(__GNU__)) || defined(oldBSD43) || defined(MORE_BSD) || defined(umipsbsd) || defined(ALTOS_SYSTEM_V) || defined(RISCOS) || defined(_AUX_SOURCE) || defined(UMAXV) || defined(titan) || defined(UNIXWARE) || defined(sony_news) || defined(luna) || defined(nec_ews_svr4) || defined(_nec_ews_svr4) || defined(__MAXION__) */
++
++#include <errno.h>
++
++static void err __P((int, const char *, ...));
++static void usage __P((void));
++static char *xalloc __P((int));
++
++#define newstr(s) strcpy(xalloc(strlen(s) + 1), s)
++
++static char *
++xalloc(sz)
++ register int sz;
++{
++ register char *p;
++
++ /* some systems can't handle size zero mallocs */
++ if (sz <= 0)
++ sz = 1;
++
++ p = malloc((unsigned) sz);
++ if (p == NULL)
++ err(EX_TEMPFAIL, "out of memory");
++ return (p);
++}
++
++int
++main(argc, argv)
++ int argc;
++ char *argv[];
++{
++ int ch, debug, i, pdes[2], pid, status;
++ size_t fplen = 0, fptlen = 0, len;
++ off_t offset;
++ FILE *fp;
++ char *addrp = NULL, *domain, *p, *t;
++ char *from_path, *from_sys, *from_user;
++ char **args, buf[2048], lbuf[2048];
++ struct stat sb;
++ extern char *optarg;
++ extern int optind;
++
++ debug = 0;
++ domain = "UUCP"; /* Default "domain". */
++ while ((ch = getopt(argc, argv, "D:T")) != -1)
++ {
++ switch (ch)
++ {
++ case 'T':
++ debug = 1;
++ break;
++
++ case 'D':
++ domain = optarg;
++ break;
++
++ case '?':
++ default:
++ usage();
++ }
++ }
++
++ argc -= optind;
++ argv += optind;
++
++ if (argc < 1)
++ usage();
++
++ from_path = from_sys = from_user = NULL;
++ for (offset = 0; ; )
++ {
++ /* Get and nul-terminate the line. */
++ if (fgets(lbuf, sizeof(lbuf), stdin) == NULL)
++ exit(EX_DATAERR);
++ if ((p = strchr(lbuf, '\n')) == NULL)
++ err(EX_DATAERR, "line too long");
++ *p = '\0';
++
++ /* Parse lines until reach a non-"From" line. */
++ if (!strncmp(lbuf, "From ", 5))
++ addrp = lbuf + 5;
++ else if (!strncmp(lbuf, ">From ", 6))
++ addrp = lbuf + 6;
++ else if (offset == 0)
++ err(EX_DATAERR,
++ "missing or empty From line: %s", lbuf);
++ else
++ {
++ *p = '\n';
++ break;
++ }
++
++ if (addrp == NULL || *addrp == '\0')
++ err(EX_DATAERR, "corrupted From line: %s", lbuf);
++
++ /* Use the "remote from" if it exists. */
++ for (p = addrp; (p = strchr(p + 1, 'r')) != NULL; )
++ {
++ if (!strncmp(p, "remote from ", 12))
++ {
++ for (t = p += 12; *t != '\0'; ++t)
++ {
++ if (isascii(*t) && isspace(*t))
++ break;
++ }
++ *t = '\0';
++ if (debug)
++ fprintf(stderr, "remote from: %s\n", p);
++ break;
++ }
++ }
++
++ /* Else use the string up to the last bang. */
++ if (p == NULL)
++ {
++ if (*addrp == '!')
++ err(EX_DATAERR, "bang starts address: %s",
++ addrp);
++ else if ((t = strrchr(addrp, '!')) != NULL)
++ {
++ *t = '\0';
++ p = addrp;
++ addrp = t + 1;
++ if (*addrp == '\0')
++ err(EX_DATAERR,
++ "corrupted From line: %s", lbuf);
++ if (debug)
++ fprintf(stderr, "bang: %s\n", p);
++ }
++ }
++
++ /* 'p' now points to any system string from this line. */
++ if (p != NULL)
++ {
++ /* Nul terminate it as necessary. */
++ for (t = p; *t != '\0'; ++t)
++ {
++ if (isascii(*t) && isspace(*t))
++ break;
++ }
++ *t = '\0';
++
++ /* If the first system, copy to the from_sys string. */
++ if (from_sys == NULL)
++ {
++ from_sys = newstr(p);
++ if (debug)
++ fprintf(stderr, "from_sys: %s\n",
++ from_sys);
++ }
++
++ /* Concatenate to the path string. */
++ len = t - p;
++ if (from_path == NULL)
++ {
++ fplen = 0;
++ if ((from_path = malloc(fptlen = 256)) == NULL)
++ err(EX_TEMPFAIL, NULL);
++ }
++ if (fplen + len + 2 > fptlen)
++ {
++ fptlen += MAX(fplen + len + 2, 256);
++ if ((from_path = realloc(from_path,
++ fptlen)) == NULL)
++ err(EX_TEMPFAIL, NULL);
++ }
++ memmove(from_path + fplen, p, len);
++ fplen += len;
++ from_path[fplen++] = '!';
++ from_path[fplen] = '\0';
++ }
++
++ /* Save off from user's address; the last one wins. */
++ for (p = addrp; *p != '\0'; ++p)
++ {
++ if (isascii(*p) && isspace(*p))
++ break;
++ }
++ *p = '\0';
++ if (*addrp == '\0')
++ addrp = "<>";
++ if (from_user != NULL)
++ free(from_user);
++ from_user = newstr(addrp);
++
++ if (debug)
++ {
++ if (from_path != NULL)
++ fprintf(stderr, "from_path: %s\n", from_path);
++ fprintf(stderr, "from_user: %s\n", from_user);
++ }
++
++ if (offset != -1)
++ offset = (off_t)ftell(stdin);
++ }
++
++
++ /* Allocate args (with room for sendmail args as well as recipients */
++ args = (char **)xalloc(sizeof(*args) * (10 + argc));
++
++ i = 0;
++ args[i++] = _PATH_SENDMAIL; /* Build sendmail's argument list. */
++ args[i++] = "-G"; /* relay submission */
++ args[i++] = "-oee"; /* No errors, just status. */
++ args[i++] = "-odq"; /* Queue it, don't try to deliver. */
++ args[i++] = "-oi"; /* Ignore '.' on a line by itself. */
++
++ /* set from system and protocol used */
++ if (from_sys == NULL)
++ snprintf(buf, sizeof(buf), "-p%s", domain);
++ else if (strchr(from_sys, '.') == NULL)
++ snprintf(buf, sizeof(buf), "-p%s:%s.%s",
++ domain, from_sys, domain);
++ else
++ snprintf(buf, sizeof(buf), "-p%s:%s", domain, from_sys);
++ args[i++] = newstr(buf);
++
++ /* Set name of ``from'' person. */
++ snprintf(buf, sizeof(buf), "-f%s%s",
++ from_path ? from_path : "", from_user);
++ args[i++] = newstr(buf);
++
++ /*
++ ** Don't copy arguments beginning with - as they will be
++ ** passed to sendmail and could be interpreted as flags.
++ ** To prevent confusion of sendmail wrap < and > around
++ ** the address (helps to pass addrs like @gw1,@gw2:aa@bb)
++ */
++
++ while (*argv != NULL)
++ {
++ if (**argv == '-')
++ err(EX_USAGE, "dash precedes argument: %s", *argv);
++
++ if (strchr(*argv, ',') == NULL || strchr(*argv, '<') != NULL)
++ args[i++] = *argv;
++ else
++ {
++ len = strlen(*argv) + 3;
++ if ((args[i] = malloc(len)) == NULL)
++ err(EX_TEMPFAIL, "Cannot malloc");
++ snprintf(args[i++], len, "<%s>", *argv);
++ }
++ argv++;
++ argc--;
++
++ /* Paranoia check, argc used for args[] bound */
++ if (argc < 0)
++ err(EX_SOFTWARE, "Argument count mismatch");
++ }
++ args[i] = NULL;
++
++ if (debug)
++ {
++ fprintf(stderr, "Sendmail arguments:\n");
++ for (i = 0; args[i] != NULL; i++)
++ fprintf(stderr, "\t%s\n", args[i]);
++ }
++
++ /*
++ ** If called with a regular file as standard input, seek to the right
++ ** position in the file and just exec sendmail. Could probably skip
++ ** skip the stat, but it's not unreasonable to believe that a failed
++ ** seek will cause future reads to fail.
++ */
++
++ if (!fstat(STDIN_FILENO, &sb) && S_ISREG(sb.st_mode))
++ {
++ if (lseek(STDIN_FILENO, offset, SEEK_SET) != offset)
++ err(EX_TEMPFAIL, "stdin seek");
++ (void) execv(_PATH_SENDMAIL, args);
++ err(EX_OSERR, "%s", _PATH_SENDMAIL);
++ }
++
++ if (pipe(pdes) < 0)
++ err(EX_OSERR, NULL);
++
++ switch (pid = FORK())
++ {
++ case -1: /* Err. */
++ err(EX_OSERR, NULL);
++ /* NOTREACHED */
++
++ case 0: /* Child. */
++ if (pdes[0] != STDIN_FILENO)
++ {
++ (void) dup2(pdes[0], STDIN_FILENO);
++ (void) close(pdes[0]);
++ }
++ (void) close(pdes[1]);
++ (void) execv(_PATH_SENDMAIL, args);
++ _exit(127);
++ /* NOTREACHED */
++ }
++
++ if ((fp = fdopen(pdes[1], "w")) == NULL)
++ err(EX_OSERR, NULL);
++ (void) close(pdes[0]);
++
++ /* Copy the file down the pipe. */
++ do
++ {
++ (void) fprintf(fp, "%s", lbuf);
++ } while (fgets(lbuf, sizeof(lbuf), stdin) != NULL);
++
++ if (ferror(stdin))
++ err(EX_TEMPFAIL, "stdin: %s", strerror(errno));
++
++ if (fclose(fp))
++ err(EX_OSERR, NULL);
++
++ if ((waitpid(pid, &status, 0)) == -1)
++ err(EX_OSERR, "%s", _PATH_SENDMAIL);
++
++ if (!WIFEXITED(status))
++ err(EX_OSERR, "%s: did not terminate normally", _PATH_SENDMAIL);
++
++ if (WEXITSTATUS(status))
++ err(status, "%s: terminated with %d (non-zero) status",
++ _PATH_SENDMAIL, WEXITSTATUS(status));
++ exit(EX_OK);
++ /* NOTREACHED */
++ return EX_OK;
++}
++
++static void
++usage()
++{
++ (void) fprintf(stderr, "usage: rmail [-T] [-D domain] user ...\n");
++ exit(EX_USAGE);
++}
++
++#ifdef __STDC__
++# include <stdarg.h>
++#else /* __STDC__ */
++# include <varargs.h>
++#endif /* __STDC__ */
++
++static void
++#ifdef __STDC__
++err(int eval, const char *fmt, ...)
++#else /* __STDC__ */
++err(eval, fmt, va_alist)
++ int eval;
++ const char *fmt;
++ va_dcl
++#endif /* __STDC__ */
++{
++ va_list ap;
++#ifdef __STDC__
++ va_start(ap, fmt);
++#else /* __STDC__ */
++ va_start(ap);
++#endif /* __STDC__ */
++ (void) fprintf(stderr, "rmail: ");
++ (void) vfprintf(stderr, fmt, ap);
++ va_end(ap);
++ (void) fprintf(stderr, "\n");
++ exit(eval);
++}