Adding upstream version 1:2.3.19.1+dfsg1.upstream/1%2.3.19.1+dfsg1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 1456 insertions, 0 deletions

diff --git a/src/lda/Makefile.am b/src/lda/Makefile.am
new file mode 100644
index 0000000..eb18079
--- /dev/null
+++ b/src/lda/Makefile.am
@@ -0,0 +1,38 @@
+pkglibexecdir = $(libexecdir)/dovecot
+
+pkglibexec_PROGRAMS = dovecot-lda
+
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/src/lib \
+	-I$(top_srcdir)/src/lib-settings \
+	-I$(top_srcdir)/src/lib-mail \
+	-I$(top_srcdir)/src/lib-smtp \
+	-I$(top_srcdir)/src/lib-imap \
+	-I$(top_srcdir)/src/lib-index \
+	-I$(top_srcdir)/src/lib-master \
+	-I$(top_srcdir)/src/lib-smtp \
+	-I$(top_srcdir)/src/lib-lda \
+	-I$(top_srcdir)/src/lib-storage \
+	-I$(top_srcdir)/src/lib-storage/index \
+	-I$(top_srcdir)/src/lib-storage/index/raw \
+	$(BINARY_CFLAGS)
+
+dovecot_lda_LDFLAGS = -export-dynamic
+
+dovecot_lda_LDADD = \
+	$(LIBDOVECOT_LDA) \
+	$(LIBDOVECOT_STORAGE) \
+	$(LIBDOVECOT) \
+	$(BINARY_LDFLAGS)
+
+dovecot_lda_DEPENDENCIES = \
+	$(LIBDOVECOT_LDA) \
+	$(LIBDOVECOT_STORAGE_DEPS) \
+	$(LIBDOVECOT_DEPS)
+
+dovecot_lda_SOURCES = \
+	main.c
+
+install-exec-local:
+	rm -f $(DESTDIR)$(pkglibexecdir)/deliver
+	$(LN_S) dovecot-lda $(DESTDIR)$(pkglibexecdir)/deliver
diff --git a/src/lda/Makefile.in b/src/lda/Makefile.in
new file mode 100644
index 0000000..f7d872b
--- /dev/null
+++ b/src/lda/Makefile.in
@@ -0,0 +1,822 @@
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+rundir = @rundir@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+sql_drivers = @sql_drivers@
+srcdir = @srcdir@
+ssldir = @ssldir@
+statedir = @statedir@
+sysconfdir = @sysconfdir@
+systemdservicetype = @systemdservicetype@
+systemdsystemunitdir = @systemdsystemunitdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+AM_CPPFLAGS = \
+	-I$(top_srcdir)/src/lib \
+	-I$(top_srcdir)/src/lib-settings \
+	-I$(top_srcdir)/src/lib-mail \
+	-I$(top_srcdir)/src/lib-smtp \
+	-I$(top_srcdir)/src/lib-imap \
+	-I$(top_srcdir)/src/lib-index \
+	-I$(top_srcdir)/src/lib-master \
+	-I$(top_srcdir)/src/lib-smtp \
+	-I$(top_srcdir)/src/lib-lda \
+	-I$(top_srcdir)/src/lib-storage \
+	-I$(top_srcdir)/src/lib-storage/index \
+	-I$(top_srcdir)/src/lib-storage/index/raw \
+	$(BINARY_CFLAGS)
+
+dovecot_lda_LDFLAGS = -export-dynamic
+dovecot_lda_LDADD = \
+	$(LIBDOVECOT_LDA) \
+	$(LIBDOVECOT_STORAGE) \
+	$(LIBDOVECOT) \
+	$(BINARY_LDFLAGS)
+
+dovecot_lda_DEPENDENCIES = \
+	$(LIBDOVECOT_LDA) \
+	$(LIBDOVECOT_STORAGE_DEPS) \
+	$(LIBDOVECOT_DEPS)
+
+dovecot_lda_SOURCES = \
+	main.c
+
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --foreign src/lda/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --foreign src/lda/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
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+	@$(NORMAL_INSTALL)
+	@list='$(pkglibexec_PROGRAMS)'; test -n "$(pkglibexecdir)" || list=; \
+	if test -n "$$list"; then \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(pkglibexecdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(pkglibexecdir)" || exit 1; \
+	fi; \
+	for p in $$list; do echo "$$p $$p"; done | \
+	sed 's/$(EXEEXT)$$//' | \
+	while read p p1; do if test -f $$p \
+	 || test -f $$p1 \
+	  ; then echo "$$p"; echo "$$p"; else :; fi; \
+	done | \
+	sed -e 'p;s,.*/,,;n;h' \
+	    -e 's|.*|.|' \
+	    -e 'p;x;s,.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/' | \
+	sed 'N;N;N;s,\n, ,g' | \
+	$(AWK) 'BEGIN { files["."] = ""; dirs["."] = 1 } \
+	  { d=$$3; if (dirs[d] != 1) { print "d", d; dirs[d] = 1 } \
+	    if ($$2 == $$4) files[d] = files[d] " " $$1; \
+	    else { print "f", $$3 "/" $$4, $$1; } } \
+	  END { for (d in files) print "f", d, files[d] }' | \
+	while read type dir files; do \
+	    if test "$$dir" = .; then dir=; else dir=/$$dir; fi; \
+	    test -z "$$files" || { \
+	    echo " $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files '$(DESTDIR)$(pkglibexecdir)$$dir'"; \
+	    $(INSTALL_PROGRAM_ENV) $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL_PROGRAM) $$files "$(DESTDIR)$(pkglibexecdir)$$dir" || exit $$?; \
+	    } \
+	; done
+
+uninstall-pkglibexecPROGRAMS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pkglibexec_PROGRAMS)'; test -n "$(pkglibexecdir)" || list=; \
+	files=`for p in $$list; do echo "$$p"; done | \
+	  sed -e 'h;s,^.*/,,;s/$(EXEEXT)$$//;$(transform)' \
+	      -e 's/$$/$(EXEEXT)/' \
+	`; \
+	test -n "$$list" || exit 0; \
+	echo " ( cd '$(DESTDIR)$(pkglibexecdir)' && rm -f" $$files ")"; \
+	cd "$(DESTDIR)$(pkglibexecdir)" && rm -f $$files
+
+clean-pkglibexecPROGRAMS:
+	@list='$(pkglibexec_PROGRAMS)'; test -n "$$list" || exit 0; \
+	echo " rm -f" $$list; \
+	rm -f $$list || exit $$?; \
+	test -n "$(EXEEXT)" || exit 0; \
+	list=`for p in $$list; do echo "$$p"; done | sed 's/$(EXEEXT)$$//'`; \
+	echo " rm -f" $$list; \
+	rm -f $$list
+
+dovecot-lda$(EXEEXT): $(dovecot_lda_OBJECTS) $(dovecot_lda_DEPENDENCIES) $(EXTRA_dovecot_lda_DEPENDENCIES) 
+	@rm -f dovecot-lda$(EXEEXT)
+	$(AM_V_CCLD)$(dovecot_lda_LINK) $(dovecot_lda_OBJECTS) $(dovecot_lda_LDADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/main.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
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+.c.lo:
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
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+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+	for dir in "$(DESTDIR)$(pkglibexecdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
+install: install-am
+install-exec: install-exec-am
+install-data: install-data-am
+uninstall: uninstall-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+
+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-pkglibexecPROGRAMS \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/main.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
+
+dvi-am:
+
+html: html-am
+
+html-am:
+
+info: info-am
+
+info-am:
+
+install-data-am:
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+install-ps: install-ps-am
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+installcheck-am:
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+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/main.Po
+	-rm -f Makefile
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool
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+.MAKE: install-am install-strip
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-pkglibexecPROGRAMS \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
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+	install-exec install-exec-am install-exec-local install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-pkglibexecPROGRAMS \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags tags-am uninstall uninstall-am \
+	uninstall-pkglibexecPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+install-exec-local:
+	rm -f $(DESTDIR)$(pkglibexecdir)/deliver
+	$(LN_S) dovecot-lda $(DESTDIR)$(pkglibexecdir)/deliver
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/src/lda/main.c b/src/lda/main.c
new file mode 100644
index 0000000..5cb1d4d
--- /dev/null
+++ b/src/lda/main.c
@@ -0,0 +1,596 @@
+/* Copyright (c) 2005-2018 Dovecot authors, see the included COPYING file */
+
+#include "lib.h"
+#include "lib-signals.h"
+#include "ioloop.h"
+#include "env-util.h"
+#include "istream.h"
+#include "istream-seekable.h"
+#include "path-util.h"
+#include "safe-mkstemp.h"
+#include "eacces-error.h"
+#include "ipwd.h"
+#include "str.h"
+#include "str-sanitize.h"
+#include "strescape.h"
+#include "unichar.h"
+#include "rfc822-parser.h"
+#include "message-address.h"
+#include "smtp-address.h"
+#include "settings-parser.h"
+#include "master-service.h"
+#include "master-service-settings.h"
+#include "mail-storage-service.h"
+#include "mail-namespace.h"
+#include "raw-storage.h"
+#include "mail-deliver.h"
+#include "mail-send.h"
+#include "mbox-from.h"
+#include "smtp-submit-settings.h"
+#include "lda-settings.h"
+
+#include <stdio.h>
+#include <sysexits.h>
+
+const struct smtp_address default_envelope_sender = {
+	.localpart = "MAILER-DAEMON",
+};
+
+/* After buffer grows larger than this, create a temporary file to /tmp
+   where to read the mail. */
+#define MAIL_MAX_MEMORY_BUFFER (1024*128)
+
+struct event_category event_category_lda = {
+	.name = "lda",
+};
+
+static const char *wanted_headers[] = {
+	"From", "To", "Message-ID", "Subject", "Return-Path",
+	NULL
+};
+
+static int seekable_fd_callback(const char **path_r, void *context)
+{
+	struct mail_deliver_input *dinput = context;
+	string_t *path;
+	int fd;
+
+	path = t_str_new(128);
+	mail_user_set_get_temp_prefix(path, dinput->rcpt_user->set);
+	fd = safe_mkstemp(path, 0600, (uid_t)-1, (gid_t)-1);
+	if (fd == -1) {
+		i_error("safe_mkstemp(%s) failed: %m", str_c(path));
+		return -1;
+	}
+
+	/* we just want the fd, unlink it */
+	if (i_unlink(str_c(path)) < 0) {
+		/* shouldn't happen.. */
+		i_close_fd(&fd);
+		return -1;
+	}
+
+	*path_r = str_c(path);
+	return fd;
+}
+
+static struct istream *
+create_raw_stream(struct mail_deliver_input *dinput,
+		  int fd, time_t *mtime_r)
+{
+	struct istream *input, *input2, *input_list[2];
+	const unsigned char *data;
+	const char *error;
+	char *sender = NULL;
+	size_t i, size;
+	int ret, tz;
+
+	*mtime_r = (time_t)-1;
+	fd_set_nonblock(fd, FALSE);
+
+	input = i_stream_create_fd(fd, 4096);
+	input->blocking = TRUE;
+	/* If input begins with a From-line, drop it */
+	ret = i_stream_read_bytes(input, &data, &size, 5);
+	if (ret > 0 && memcmp(data, "From ", 5) == 0) {
+		/* skip until the first LF */
+		i_stream_skip(input, 5);
+		while (i_stream_read_more(input, &data, &size) > 0) {
+			for (i = 0; i < size; i++) {
+				if (data[i] == '\n')
+					break;
+			}
+			if (i != size) {
+				(void)mbox_from_parse(data, i, mtime_r, &tz,
+						      &sender);
+				i_stream_skip(input, i + 1);
+				break;
+			}
+			i_stream_skip(input, size);
+		}
+	}
+
+	if (sender != NULL && dinput->mail_from == NULL) {
+		struct smtp_address *mail_from = NULL;
+		/* use the envelope sender from From_-line, but only if it
+		   hasn't been specified with -f already. */
+		if (smtp_address_parse_mailbox(pool_datastack_create(),
+					       sender, 0, &mail_from,
+					       &error) < 0) {
+			i_warning("Failed to parse address from `From_'-line: %s",
+				  error);
+		}
+		dinput->mail_from = mail_from;
+	}
+	i_free(sender);
+
+	if (input->v_offset == 0) {
+		input2 = input;
+		i_stream_ref(input2);
+	} else {
+		input2 = i_stream_create_limit(input, UOFF_T_MAX);
+	}
+	i_stream_unref(&input);
+
+	input_list[0] = input2; input_list[1] = NULL;
+	input = i_stream_create_seekable(input_list, MAIL_MAX_MEMORY_BUFFER,
+					 seekable_fd_callback, dinput);
+	i_stream_unref(&input2);
+	return input;
+}
+
+static struct mail *
+lda_raw_mail_open(struct mail_deliver_input *dinput, const char *path)
+{
+	struct mail_user *raw_mail_user;
+	struct mailbox *box;
+	struct mailbox_transaction_context *t;
+	struct mail *mail;
+	struct mailbox_header_lookup_ctx *headers_ctx;
+	const struct smtp_address *mail_from;
+	struct istream *input;
+	void **sets;
+	time_t mtime;
+	int ret;
+
+	sets = master_service_settings_get_others(master_service);
+	raw_mail_user = raw_storage_create_from_set(dinput->rcpt_user->set_info,
+						    sets[0]);
+
+	mail_from = (dinput->mail_from != NULL ?
+		     dinput->mail_from : &default_envelope_sender);
+	if (path == NULL) {
+		input = create_raw_stream(dinput, 0, &mtime);
+		i_stream_set_name(input, "stdin");
+		ret = raw_mailbox_alloc_stream(raw_mail_user, input, mtime,
+					       smtp_address_encode(mail_from), &box);
+		i_stream_unref(&input);
+	} else {
+		ret = raw_mailbox_alloc_path(raw_mail_user, path, (time_t)-1,
+					     smtp_address_encode(mail_from), &box);
+	}
+	if (ret < 0) {
+		i_fatal("Can't open delivery mail as raw: %s",
+			mailbox_get_last_internal_error(box, NULL));
+	}
+	mail_user_unref(&raw_mail_user);
+
+	t = mailbox_transaction_begin(box, 0, __func__);
+	headers_ctx = mailbox_header_lookup_init(box, wanted_headers);
+	mail = mail_alloc(t, 0, headers_ctx);
+	mailbox_header_lookup_unref(&headers_ctx);
+	mail_set_seq(mail, 1);
+	return mail;
+}
+
+static void
+lda_set_rcpt_to(struct mail_deliver_input *dinput,
+		const struct smtp_address *rcpt_to, const char *user,
+		const char *rcpt_to_source)
+{
+	const char *error;
+
+	if (rcpt_to == NULL &&
+	    *dinput->set->lda_original_recipient_header != '\0') {
+		rcpt_to = mail_deliver_get_address(
+			dinput->src_mail,
+			dinput->set->lda_original_recipient_header);
+		rcpt_to_source = t_strconcat(
+			dinput->set->lda_original_recipient_header,
+			" header", NULL);
+	}
+	if (rcpt_to == NULL) {
+		struct smtp_address *user_addr;
+
+		if (smtp_address_parse_username(pool_datastack_create(), user,
+						&user_addr, &error) < 0) {
+			i_fatal_status(EX_USAGE,
+				"Cannot obtain SMTP address from username `%s': %s",
+				user, error);
+		}
+		if (user_addr->domain == NULL)
+			user_addr->domain = dinput->set->hostname;
+		rcpt_to = user_addr;
+		rcpt_to_source = "user@hostname";
+	}
+
+	dinput->rcpt_params.orcpt.addr = rcpt_to;
+	if (dinput->rcpt_to == NULL)
+		dinput->rcpt_to = rcpt_to;
+
+	e_debug(dinput->rcpt_user->event,
+		"Destination address: %s (source: %s)",
+		smtp_address_encode_path(rcpt_to), rcpt_to_source);
+}
+
+static int
+lda_do_deliver(struct mail_deliver_context *ctx, bool stderr_rejection)
+{
+	enum mail_deliver_error error_code;
+	const char *error;
+	int ret;
+
+	if (mail_deliver(ctx, &error_code, &error) >= 0)
+		return EX_OK;
+
+	if (error_code == MAIL_DELIVER_ERROR_INTERNAL) {
+		/* This shouldn't happen */
+		return EX_TEMPFAIL;
+	}
+
+	if (stderr_rejection) {
+		/* write to stderr also for tempfails so that MTA
+		   can log the reason if it wants to. */
+		fprintf(stderr, "%s\n", error);
+	}
+
+	switch (error_code) {
+	case MAIL_DELIVER_ERROR_NONE:
+		i_unreached();
+	case MAIL_DELIVER_ERROR_TEMPORARY:
+		return EX_TEMPFAIL;
+	case MAIL_DELIVER_ERROR_REJECTED:
+		break;
+	case MAIL_DELIVER_ERROR_NOQUOTA:
+		if (ctx->set->quota_full_tempfail)
+			return EX_TEMPFAIL;
+		ctx->mailbox_full = TRUE;
+		break;
+	case MAIL_DELIVER_ERROR_INTERNAL:
+		i_unreached();
+	}
+
+	/* Rejected */
+
+	ctx->dsn = TRUE;
+
+	/* we'll have to reply with permanent failure */
+	mail_deliver_log(ctx, "rejected: %s",
+			 str_sanitize(error, 512));
+
+	if (stderr_rejection)
+		return EX_NOPERM;
+	ret = mail_send_rejection(ctx, ctx->rcpt_to, error);
+	if (ret != 0)
+		return ret < 0 ? EX_TEMPFAIL : ret;
+	/* ok, rejection sent */
+
+	return EX_OK;
+}
+
+static int
+lda_deliver(struct mail_deliver_input *dinput,
+	    struct mail_storage_service_user *service_user,
+	    const char *user, const char *path,
+	    struct smtp_address *rcpt_to, const char *rcpt_to_source,
+	    bool stderr_rejection)
+{
+	struct mail_deliver_context ctx;
+	const struct var_expand_table *var_table;
+	struct lda_settings *lda_set;
+	struct smtp_submit_settings *smtp_set;
+	const char *errstr;
+	int ret;
+
+	var_table = mail_user_var_expand_table(dinput->rcpt_user);
+	smtp_set = mail_storage_service_user_get_set(service_user)[1];
+	lda_set = mail_storage_service_user_get_set(service_user)[2];
+	ret = settings_var_expand(
+		&lda_setting_parser_info,
+		lda_set, dinput->rcpt_user->pool, var_table,
+		&errstr);
+	if (ret > 0) {
+		ret = settings_var_expand(
+			&smtp_submit_setting_parser_info,
+			smtp_set, dinput->rcpt_user->pool, var_table,
+			&errstr);
+	}
+	if (ret <= 0)
+		i_fatal("Failed to expand settings: %s", errstr);
+	dinput->set = lda_set;
+	dinput->smtp_set = smtp_set;
+
+	dinput->src_mail = lda_raw_mail_open(dinput, path);
+	lda_set_rcpt_to(dinput, rcpt_to, user, rcpt_to_source);
+
+	mail_deliver_init(&ctx, dinput);
+	ret = lda_do_deliver(&ctx, stderr_rejection);
+	mail_deliver_deinit(&ctx);
+
+	return ret;
+}
+
+static void failure_exit_callback(int *status)
+{
+	/* we want all our exit codes to be sysexits.h compatible.
+	   if we failed because of a logging related error, we most likely
+	   aren't writing to stderr, so try writing there to give some kind of
+	   a clue what's wrong. FATAL_LOGOPEN failure already wrote to
+	   stderr, so don't duplicate it. */
+	switch (*status) {
+	case FATAL_LOGWRITE:
+		fputs("Failed to write to log file", stderr);
+		break;
+	case FATAL_LOGERROR:
+		fputs("Internal logging error", stderr);
+		break;
+	case FATAL_LOGOPEN:
+	case FATAL_OUTOFMEM:
+	case FATAL_EXEC:
+	case FATAL_DEFAULT:
+		break;
+	default:
+		return;
+	}
+	*status = EX_TEMPFAIL;
+}
+
+static void print_help(void)
+{
+	printf(
+"Usage: dovecot-lda [-c <config file>] [-d <username>] [-p <path>]\n"
+"                   [-m <mailbox>] [-e] [-k] [-f <envelope sender>]\n"
+"                   [-a <original envelope recipient>]\n"
+"                   [-r <final envelope recipient>] \n");
+}
+
+int main(int argc, char *argv[])
+{
+	const struct setting_parser_info *set_roots[] = {
+		&smtp_submit_setting_parser_info,
+		&lda_setting_parser_info,
+		NULL
+	};
+	struct mail_deliver_input dinput;
+	enum mail_storage_service_flags service_flags = 0;
+	const char *user, *errstr, *path;
+	struct smtp_address *rcpt_to, *final_rcpt_to, *mail_from;
+	struct mail_storage_service_ctx *storage_service;
+	struct mail_storage_service_user *service_user;
+	struct mail_storage_service_input service_input;
+	struct event *event;
+	const char *user_source = "", *rcpt_to_source = "", *mail_from_error;
+	uid_t process_euid;
+	bool stderr_rejection = FALSE;
+	int ret, c;
+
+	if (getuid() != geteuid() && geteuid() == 0) {
+		/* running setuid - don't allow this if the binary is
+		   executable by anyone */
+		struct stat st;
+
+		if (stat(argv[0], &st) < 0) {
+			fprintf(stderr, "stat(%s) failed: %s\n",
+				argv[0], strerror(errno));
+			return EX_TEMPFAIL;
+		} else if ((st.st_mode & 1) != 0 && (st.st_mode & 04000) != 0) {
+			fprintf(stderr, "%s must not be both world-executable "
+				"and setuid-root. This allows root exploits. "
+				"See http://wiki2.dovecot.org/LDA#multipleuids\n",
+				argv[0]);
+			return EX_TEMPFAIL;
+		}
+	}
+
+	i_set_failure_exit_callback(failure_exit_callback);
+
+	master_service = master_service_init("lda",
+		MASTER_SERVICE_FLAG_STANDALONE |
+		MASTER_SERVICE_FLAG_DONT_LOG_TO_STDERR |
+		MASTER_SERVICE_FLAG_NO_INIT_DATASTACK_FRAME,
+		&argc, &argv, "a:d:ef:m:p:r:");
+
+	event = event_create(NULL);
+	event_add_category(event, &event_category_lda);
+
+	i_zero(&dinput);
+	dinput.session = mail_deliver_session_init();
+	dinput.rcpt_default_mailbox = "INBOX";
+	path = NULL;
+
+	user = getenv("USER");
+	mail_from = final_rcpt_to = rcpt_to = NULL;
+	mail_from_error = NULL;
+	while ((c = master_getopt(master_service)) > 0) {
+		switch (c) {
+		case 'a':
+			/* original recipient address */
+			if (smtp_address_parse_path(
+				pool_datastack_create(), optarg,
+				SMTP_ADDRESS_PARSE_FLAG_ALLOW_LOCALPART |
+				SMTP_ADDRESS_PARSE_FLAG_BRACKETS_OPTIONAL,
+				&rcpt_to, &errstr) < 0) {
+				i_fatal_status(EX_USAGE,
+					"Invalid -a parameter: %s", errstr);
+			}
+			rcpt_to_source = "-a parameter";
+			break;
+		case 'd':
+			/* destination user */
+			user = optarg;
+			service_flags |= MAIL_STORAGE_SERVICE_FLAG_USERDB_LOOKUP;
+			break;
+		case 'e':
+			stderr_rejection = TRUE;
+			break;
+		case 'f':
+			/* envelope sender address */
+			ret = smtp_address_parse_path(
+				pool_datastack_create(), optarg,
+				SMTP_ADDRESS_PARSE_FLAG_BRACKETS_OPTIONAL |
+				SMTP_ADDRESS_PARSE_FLAG_ALLOW_LOCALPART |
+				SMTP_ADDRESS_PARSE_FLAG_ALLOW_EMPTY |
+				SMTP_ADDRESS_PARSE_FLAG_IGNORE_BROKEN |
+				SMTP_ADDRESS_PARSE_FLAG_PRESERVE_RAW,
+				&mail_from, &errstr);
+			if (ret < 0 && !smtp_address_is_broken(mail_from)) {
+				i_fatal_status(EX_USAGE,
+					"Invalid -f parameter: %s", errstr);
+			}
+			if (ret < 0)
+				mail_from_error = errstr;
+			break;
+		case 'm':
+			/* destination mailbox.
+			   Ignore -m "". This allows doing -m ${extension}
+			   in Postfix to handle user+mailbox */
+			if (*optarg != '\0') T_BEGIN {
+				if (!uni_utf8_str_is_valid(optarg)) {
+					i_fatal("Mailbox name not UTF-8: %s",
+						optarg);
+				}
+				dinput.rcpt_default_mailbox = optarg;
+			} T_END;
+			break;
+		case 'p':
+			/* input path */
+			if (t_abspath(optarg, &path, &errstr) < 0) {
+				i_fatal("t_abspath(%s) failed: %s",
+					optarg, errstr);
+			}
+			break;
+		case 'r':
+			/* final recipient address */
+			if (smtp_address_parse_path(
+				pool_datastack_create(), optarg,
+				SMTP_ADDRESS_PARSE_FLAG_ALLOW_LOCALPART |
+				SMTP_ADDRESS_PARSE_FLAG_BRACKETS_OPTIONAL,
+				&final_rcpt_to, &errstr) < 0) {
+				i_fatal_status(EX_USAGE,
+					"Invalid -r parameter: %s", errstr);
+			}
+			break;
+		default:
+			print_help();
+			return EX_USAGE;
+		}
+	}
+	if (optind != argc) {
+		print_help();
+		i_fatal_status(EX_USAGE, "Unknown argument: %s", argv[optind]);
+	}
+
+	process_euid = geteuid();
+	if ((service_flags & MAIL_STORAGE_SERVICE_FLAG_USERDB_LOOKUP) != 0)
+		;
+	else if (process_euid != 0) {
+		/* we're non-root. get our username and possibly our home. */
+		struct passwd pw;
+		const char *home;
+
+		home = getenv("HOME");
+		if (user != NULL && home != NULL) {
+			/* no need for a pw lookup */
+			user_source = "USER environment";
+		} else if ((ret = i_getpwuid(process_euid, &pw)) > 0) {
+			user = t_strdup(pw.pw_name);
+			if (home == NULL)
+				env_put("HOME", pw.pw_dir);
+			user_source = "passwd lookup for process euid";
+		} else if (ret < 0) {
+			/* temporary failure */
+			i_fatal("getpwuid() failed: %m");
+		} else if (user == NULL) {
+			i_fatal_status(EX_USAGE,
+				       "Couldn't lookup our username (uid=%s)",
+				       dec2str(process_euid));
+		}
+	} else {
+		i_fatal_status(EX_USAGE,
+			"destination user parameter (-d user) not given");
+	}
+	master_service_init_finish(master_service);
+
+	dinput.mail_from = mail_from;
+	dinput.rcpt_to = final_rcpt_to;
+
+	event_add_str(event, "protocol", "lda");
+	event_add_str(event, "user", user);
+	if (mail_from != NULL) {
+		event_add_str(event, "mail_from",
+			      smtp_address_encode(mail_from));
+	}
+	if (final_rcpt_to != NULL) {
+		event_add_str(event, "rcpt_to",
+			      smtp_address_encode(final_rcpt_to));
+	}
+	dinput.event_parent = event;
+
+	i_zero(&service_input);
+	service_input.module = "lda";
+	service_input.service = "lda";
+	service_input.username = user;
+	service_input.event_parent = event;
+
+	service_flags |= MAIL_STORAGE_SERVICE_FLAG_USE_SYSEXITS;
+	storage_service = mail_storage_service_init(master_service, set_roots,
+						    service_flags);
+	mail_deliver_hooks_init();
+	/* set before looking up the user (or ideally we'd do this between
+	   _lookup() and _next(), but don't bother) */
+	dinput.delivery_time_started = ioloop_timeval;
+	ret = mail_storage_service_lookup_next(storage_service,
+					       &service_input, &service_user,
+					       &dinput.rcpt_user,
+					       &errstr);
+	if (ret <= 0) {
+		if (ret < 0)
+			i_fatal("%s", errstr);
+		ret = EX_NOUSER;
+	} else {
+#ifdef SIGXFSZ
+		lib_signals_ignore(SIGXFSZ, TRUE);
+#endif
+		if (*user_source != '\0') {
+			e_debug(dinput.rcpt_user->event,
+				"userdb lookup skipped, username taken from %s",
+				user_source);
+		}
+		if (mail_from_error != NULL) {
+			e_debug(event, "Broken -f parameter: %s "
+				"(proceeding with <> as sender)",
+				mail_from_error);
+		}
+
+		ret = lda_deliver(&dinput, service_user, user, path,
+				  rcpt_to, rcpt_to_source, stderr_rejection);
+
+		struct mailbox_transaction_context *t =
+			dinput.src_mail->transaction;
+		struct mailbox *box = dinput.src_mail->box;
+
+		mail_free(&dinput.src_mail);
+		mailbox_transaction_rollback(&t);
+		mailbox_free(&box);
+
+		mail_user_deinit(&dinput.rcpt_user);
+		mail_storage_service_user_unref(&service_user);
+	}
+
+	mail_deliver_session_deinit(&dinput.session);
+	mail_storage_service_deinit(&storage_service);
+
+	event_unref(&event);
+	master_service_deinit(&master_service);
+        return ret;
+}