/mandos/release

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Convert some programs to use the exit codes from <sysexits.h>.  Change
all programs using the "argp" parsing functions to use them correctly;
checking return value, using argp_error() to report parse errors etc.

* plugin-runner.c: Use <sysexits.h> exit codes.  Always use fallback,
                   even on option errors, except for "--help", etc.
  (getplugin): Make sure "errno" is set correctly on return.
  (main): Declare our own "--help", "--usage", and "--version"
          options which do not cause the fallback to be invoked.
          In all other options, use fallback on any error.
  (parse_opt, parse_opt_config_file): Reset errno at start and return
                                      errno.  No need to check "arg"
                                      for NULL.  New "--help",
                                      "--usage", and "--version"
                                      options.
  (parse_opt): Accept empty string as global option.  Do not print
               errors which will be detected and reported later.  Do
               "argp_error()" on parse error or empty plugin names.
* plugins.d/mandos-client.c: Use <sysexits.h> exit codes.  Do not
                             return successful exit code on "--help",
                             etc. since this would give the wrong
                             message to "plugin-runner".
  (main): Declare our own "--help", "--usage", and "--version"
          options which do not return a successful exit code.
  (parse_opt): Reset errno at start and return errno.  Do
               "argp_error()" on parse errors.  New "--help",
               "--usage", and "--version" options.
* plugins.d/password-prompt.c: Use exit codes from <sysexits.h>.  Do
                               not return successful exit code on
                               "--help", etc. since this would give
                               the wrong message to "plugin-runner".
  (main): Declare our own "--help", "--usage", and "--version" options
          which do not return a successful exit code.  Do
          close(STDOUT_FILENO) after writing to check its return code.
  (parse_opt): Reset errno at start and return errno.

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WARN=-O -Wall -Wformat=2 -Winit-self -Wmissing-include-dirs \
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        -Wswitch-default -Wswitch-enum -Wunused-parameter \
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        -Wstrict-aliasing=2 -Wextra -Wfloat-equal -Wundef -Wshadow \
 
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        -Wstrict-aliasing=1 -Wextra -Wfloat-equal -Wundef -Wshadow \
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        -Wunsafe-loop-optimizations -Wpointer-arith \
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        -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings \
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        -Wconversion -Wstrict-prototypes -Wold-style-definition \
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#       -Wunreachable-code 
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#DEBUG=-ggdb3
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# For info about _FORTIFY_SOURCE, see
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# <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>
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FORTIFY=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIE -pie
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LINK_FORTIFY=-z relro -pie
 
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# <http://www.kernel.org/doc/man-pages/online/pages/man7/feature_test_macros.7.html>
 
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# and <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
 
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FORTIFY=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC -fPIE
 
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LINK_FORTIFY_LD=-z relro -fPIE
 
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LINK_FORTIFY=-pie
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#COVERAGE=--coverage
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OPTIMIZE=-Os
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LANGUAGE=-std=gnu99
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htmldir=man
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version=1.0.2
 
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version=1.0.13
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SED=sed
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## Use these settings for a traditional /usr/local install
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INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
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##
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GNUTLS_CFLAGS=$(shell libgnutls-config --cflags)
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GNUTLS_LIBS=$(shell libgnutls-config --libs)
 
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GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
 
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GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
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AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
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AVAHI_LIBS=$(shell pkg-config --libs avahi-core)
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GPGME_CFLAGS=$(shell gpgme-config --cflags)
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GPGME_LIBS=$(shell gpgme-config --libs)
 
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GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
 
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GPGME_LIBS=$(shell gpgme-config --libs; getconf LFS_LIBS; \
 
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        getconf LFS_LDFLAGS)
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# Do not change these two
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CFLAGS=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
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        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
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        -DVERSION='"$(version)"'
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LDFLAGS=$(COVERAGE) $(foreach flag,$(LINK_FORTIFY),-Xlinker $(flag))
 
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LDFLAGS=$(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
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# Commands to format a DocBook <refentry> document into a manual page
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DOCBOOKTOMAN=cd $(dir $<); xsltproc --nonet --xinclude \
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PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
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        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo
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CPROGS=plugin-runner $(PLUGINS)
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PROGS=mandos mandos-keygen $(CPROGS)
 
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PROGS=mandos mandos-keygen mandos-ctl $(CPROGS)
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DOCS=mandos.8 plugin-runner.8mandos mandos-keygen.8 \
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        plugins.d/mandos-client.8mandos \
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        plugins.d/password-prompt.8mandos mandos.conf.5 \
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# Update all these files with version number $(version)
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common.ent: Makefile
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        $(SED) --in-place \
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                --expression='s/^\(<ENTITY VERSION "\)[^"]*">$$/\1$(version)"/' \
 
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                --expression='s/^\(<!ENTITY version "\)[^"]*">$$/\1$(version)">/' \
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                $@
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mandos: Makefile
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                --expression='s/^\(VERSION="\)[^"]*"$$/\1$(version)"/' \
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                $@
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mandos-ctl: Makefile
 
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        $(SED) --in-place \
 
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                --expression='s/^\(version = "\)[^"]*"$$/\1$(version)"/' \
 
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                $@
 
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mandos.lsm: Makefile
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        $(SED) --in-place \
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                --expression='s/^\(Version:\).*/\1\t$(version)/' \
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        $(SED) --in-place \
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                --expression='s/^\(Entered-date:\).*/\1\t$(shell date --rfc-3339=date --reference=Makefile)/' \
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                $@
 
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        $(SED) --in-place \
 
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                --expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
 
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                $@
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plugins.d/mandos-client: plugins.d/mandos-client.o
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        $(LINK.o) $(GNUTLS_LIBS) $(AVAHI_LIBS) $(GPGME_LIBS) \
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run-client: all keydir/seckey.txt keydir/pubkey.txt
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        ./plugin-runner --plugin-dir=plugins.d \
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                --config-file=plugin-runner.conf \
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                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt
 
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                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt \
 
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                $(CLIENTARGS)
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# Used by run-client
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keydir/seckey.txt keydir/pubkey.txt: mandos-keygen
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# Run the server with a local config
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run-server: confdir/mandos.conf confdir/clients.conf
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        ./mandos --debug --configdir=confdir
 
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        ./mandos --debug --no-dbus --configdir=confdir $(SERVERARGS)
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# Used by run-server
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confdir/mandos.conf: mandos.conf
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        install --mode=u=rw,go=r initramfs-tools-hook-conf \
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                $(INITRAMFSTOOLS)/conf-hooks.d/mandos
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        install initramfs-tools-script \
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                $(INITRAMFSTOOLS)/scripts/local-top/mandos
 
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                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
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        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
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        gzip --best --to-stdout mandos-keygen.8 \
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                > $(MANDIR)/man8/mandos-keygen.8.gz
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                $(PREFIX)/lib/mandos/plugins.d/askpass-fifo \
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                $(INITRAMFSTOOLS)/hooks/mandos \
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                $(INITRAMFSTOOLS)/conf-hooks.d/mandos \
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                $(INITRAMFSTOOLS)/scripts/local-top/mandos \
 
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                $(INITRAMFSTOOLS)/scripts/init-premount/mandos \
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                $(MANDIR)/man8/plugin-runner.8mandos.gz \
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                $(MANDIR)/man8/mandos-keygen.8.gz \
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                $(MANDIR)/man8/password-prompt.8mandos.gz \