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firstboot.patch
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File firstboot.patch of Package systemd.4328
From 7c79caf61273479c93f269f471186965623fb590 Mon Sep 17 00:00:00 2001 From: Frederic Crozat <fcrozat@suse.com> Date: Tue, 11 Aug 2015 12:56:01 +0200 Subject: Backport firstboot helper and ConditionFirstBoot support from v223 FATE#318894 --- Makefile-man.am | 12 + Makefile.am | 24 + configure.ac | 9 + man/systemd-firstboot.1 | 222 +++++ man/systemd-firstboot.service.1 | 1 + man/systemd-firstboot.xml | 259 ++++++ man/systemd.unit.xml | 13 + src/core/condition.c | 17 + src/core/load-fragment-gperf.gperf.m4 | 1 + src/core/main.c | 16 +- src/core/manager.c | 17 + src/core/manager.h | 3 + src/firstboot/Makefile | 28 + src/firstboot/firstboot.c | 1532 +++++++++++++++++++++++++++++++++ src/shared/condition-util.c | 1 + src/shared/condition-util.h | 1 + units/systemd-firstboot.service.in | 24 + 17 files changed, 2179 insertions(+), 1 deletion(-) create mode 100644 man/systemd-firstboot.1 create mode 100644 man/systemd-firstboot.service.1 create mode 100644 man/systemd-firstboot.xml create mode 100644 src/firstboot/Makefile create mode 100644 src/firstboot/firstboot.c create mode 100644 units/systemd-firstboot.service.in diff --git a/Makefile-man.am b/Makefile-man.am index aad3f44..0e570c5 100644 --- a/Makefile-man.am +++ b/Makefile-man.am @@ -667,6 +667,17 @@ MANPAGES_ALIAS += \ endif +if ENABLE_FIRSTBOOT +MANPAGES += \ + man/systemd-firstboot.1 +MANPAGES_ALIAS += \ + man/systemd-firstboot.service.1 +man/systemd-firstboot.service.1: man/systemd-firstboot.1 +man/systemd-firstboot.service.html: man/systemd-firstboot.html + $(html-alias) + +endif + if ENABLE_HOSTNAMED MANPAGES += \ man/hostnamectl.1 \ @@ -1407,6 +1418,7 @@ EXTRA_DIST += \ man/systemd-delta.xml \ man/systemd-detect-virt.xml \ man/systemd-efi-boot-generator.xml \ + man/systemd-firstboot.xml \ man/systemd-fsck@.service.xml \ man/systemd-fstab-generator.xml \ man/systemd-getty-generator.xml \ diff --git a/Makefile.am b/Makefile.am index 2aaaf22..8d47d2d 100644 --- a/Makefile.am +++ b/Makefile.am @@ -1679,6 +1679,30 @@ EXTRA_DIST += \ units/systemd-tmpfiles-clean.service.in # ------------------------------------------------------------------------------ +if ENABLE_FIRSTBOOT +systemd_firstboot_SOURCES = \ + src/firstboot/firstboot.c + +systemd_firstboot_LDADD = \ + libsystemd-label.la \ + libsystemd-internal.la \ + libsystemd-shared.la \ + -lcrypt + +rootbin_PROGRAMS += \ + systemd-firstboot + +nodist_systemunit_DATA += \ + units/systemd-firstboot.service + +SYSINIT_TARGET_WANTS += \ + systemd-firstboot.service +endif + +EXTRA_DIST += \ + units/systemd-firstboot.service.in + +# ------------------------------------------------------------------------------ systemd_machine_id_setup_SOURCES = \ src/machine-id-setup/machine-id-setup-main.c \ src/core/machine-id-setup.c \ diff --git a/configure.ac b/configure.ac index c123a5d..b887f4e 100644 --- a/configure.ac +++ b/configure.ac @@ -704,6 +704,14 @@ fi AM_CONDITIONAL(ENABLE_TMPFILES, [test "$have_tmpfiles" = "yes"]) # ------------------------------------------------------------------------------ +have_firstboot=no +AC_ARG_ENABLE(firstboot, AS_HELP_STRING([--disable-firstboot], [disable firstboot support])) +if test "x$enable_firstboot" != "xno"; then + have_firstboot=yes +fi +AM_CONDITIONAL(ENABLE_FIRSTBOOT, [test "$have_firstboot" = "yes"]) + +# ------------------------------------------------------------------------------ have_randomseed=no AC_ARG_ENABLE(randomseed, AS_HELP_STRING([--disable-randomseed], [disable randomseed tools])) if test "x$enable_randomseed" != "xno"; then @@ -1076,6 +1084,7 @@ AC_MSG_RESULT([ bootchart: ${have_bootchart} quotacheck: ${have_quotacheck} tmpfiles: ${have_tmpfiles} + firstboot: ${have_firstboot} randomseed: ${have_randomseed} backlight: ${have_backlight} rfkill: ${have_rfkill} diff --git a/man/systemd-firstboot.1 b/man/systemd-firstboot.1 new file mode 100644 index 0000000..f424d94 --- /dev/null +++ b/man/systemd-firstboot.1 @@ -0,0 +1,222 @@ +'\" t +.TH "SYSTEMD\-FIRSTBOOT" "1" "" "systemd 210" "systemd-firstboot" +.\" ----------------------------------------------------------------- +.\" * Define some portability stuff +.\" ----------------------------------------------------------------- +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.\" http://bugs.debian.org/507673 +.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html +.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +.ie \n(.g .ds Aq \(aq +.el .ds Aq ' +.\" ----------------------------------------------------------------- +.\" * set default formatting +.\" ----------------------------------------------------------------- +.\" disable hyphenation +.nh +.\" disable justification (adjust text to left margin only) +.ad l +.\" ----------------------------------------------------------------- +.\" * MAIN CONTENT STARTS HERE * +.\" ----------------------------------------------------------------- +.SH "NAME" +systemd-firstboot, systemd-firstboot.service \- Initialize basic system settings on or before the first boot\-up of a system +.SH "SYNOPSIS" +.HP \w'\fBsystemd\-firstboot\fR\ 'u +\fBsystemd\-firstboot\fR [OPTIONS...] +.PP +systemd\-firstboot\&.service +.SH "DESCRIPTION" +.PP +\fBsystemd\-firstboot\fR +initializes the most basic system settings interactively on the first boot, or optionally non\-interactively when a system image is created\&. The following settings may be set up: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The system locale, more specifically the two locale variables +\fILANG=\fR +and +\fILC_MESSAGES\fR +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The system time zone +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The system host name +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The machine ID of the system +.RE +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +The root user\*(Aqs password +.RE +.PP +Each of the fields may either be queried interactively from the users, set non\-interactively on the tool\*(Aqs command line, or be copied from a host system that is used to set up the system image\&. +.PP +If a setting is already initialized it will not be overwritten and the user will not be prompted for the setting\&. +.PP +Note that this tool operates directly on the file system and does not involve any running system services, unlike +\fBlocalectl\fR(1), +\fBtimedatectl\fR(1) +or +\fBhostnamectl\fR(1)\&. This allows +\fBsystemd\-firstboot\fR +to operate on mounted but not booted disk images and in early boot\&. It is not recommended to use +\fBsystemd\-firstboot\fR +on the running system while it is up\&. +.SH "OPTIONS" +.PP +The following options are understood: +.PP +\fB\-\-root=\fR\fB\fIroot\fR\fR +.RS 4 +Takes a directory path as an argument\&. All paths will be prefixed with the given alternate +\fIroot\fR +path, including config search paths\&. This is useful to operate on a system image mounted to the specified directory instead of the host system itself\&. +.RE +.PP +\fB\-\-locale=\fR\fB\fILOCALE\fR\fR, \fB\-\-locale\-messages=\fR\fB\fILOCALE\fR\fR +.RS 4 +Sets the system locale, more specifically the +\fILANG=\fR +and +\fILC_MESSAGES\fR +settings\&. The argument should be a valid locale identifier, such as +"de_DE\&.UTF\-8"\&. This controls the +\fBlocale.conf\fR(5) +configuration file\&. +.RE +.PP +\fB\-\-timezone=\fR\fB\fITIMEZONE\fR\fR +.RS 4 +Sets the system time zone\&. The argument should be a valid time zone identifier, such as +"Europe/Berlin"\&. This controls the +\fBlocaltime\fR(5) +symlink\&. +.RE +.PP +\fB\-\-hostname=\fR\fB\fIHOSTNAME\fR\fR +.RS 4 +Sets the system hostname\&. The argument should be a host name, compatible with DNS\&. This controls the +\fBhostname\fR(5) +configuration file\&. +.RE +.PP +\fB\-\-machine\-id=\fR\fB\fIID\fR\fR +.RS 4 +Sets the system\*(Aqs machine ID\&. This controls the +\fBmachine-id\fR(5) +file\&. +.RE +.PP +\fB\-\-root\-password=\fR\fB\fIPASSWORD\fR\fR, \fB\-\-root\-password\-file=\fR\fB\fIPATH\fR\fR +.RS 4 +Sets the password of the system\*(Aqs root user\&. This creates a +\fBshadow\fR(5) +file\&. This setting exists in two forms: +\fB\-\-root\-password=\fR +accepts the password to set directly on the command line, +\fB\-\-root\-password\-file=\fR +reads it from a file\&. Note that it is not recommended specifying passwords on the command line as other users might be able to see them simply by invoking +\fBps\fR(1)\&. +.RE +.PP +\fB\-\-prompt\-locale\fR, \fB\-\-prompt\-timezone\fR, \fB\-\-prompt\-hostname\fR, \fB\-\-prompt\-root\-password\fR +.RS 4 +Prompt the user interactively for a specific basic setting\&. Note that any explicit configuration settings specified on the command line take precedence, and the user is not prompted for it\&. +.RE +.PP +\fB\-\-prompt\fR +.RS 4 +Query the user for locale, timezone, hostname and root password\&. This is equivalent to specifying +\fB\-\-prompt\-locale\fR, +\fB\-\-prompt\-timezone\fR, +\fB\-\-prompt\-hostname\fR, +\fB\-\-prompt\-root\-password\fR +in combination\&. +.RE +.PP +\fB\-\-copy\-locale\fR, \fB\-\-copy\-timezone\fR, \fB\-\-copy\-root\-password\fR +.RS 4 +Copy a specific basic setting from the host\&. This only works in combination with +\fB\-\-root=\fR +(see above)\&. +.RE +.PP +\fB\-\-copy\fR +.RS 4 +Copy locale, time zone and root password from the host\&. This is equivalent to specifying +\fB\-\-copy\-locale\fR, +\fB\-\-copy\-timezone\fR, +\fB\-\-copy\-root\-password\fR +in combination\&. +.RE +.PP +\fB\-\-setup\-machine\-id\fR +.RS 4 +Initialize the system\*(Aqs machine ID to a random ID\&. This only works in combination with +\fB\-\-root=\fR\&. +.RE +.PP +\fB\-h\fR, \fB\-\-help\fR +.RS 4 +Print a short help text and exit\&. +.RE +.PP +\fB\-\-version\fR +.RS 4 +Print a short version string and exit\&. +.RE +.SH "EXIT STATUS" +.PP +On success, 0 is returned, a non\-zero failure code otherwise\&. +.SH "SEE ALSO" +.PP +\fBsystemd\fR(1), +\fBlocale.conf\fR(5), +\fBlocaltime\fR(5), +\fBhostname\fR(5), +\fBmachine-id\fR(5), +\fBshadow\fR(5), +\fBsystemd-machine-id-setup\fR(1), +\fBlocalectl\fR(1), +\fBtimedatectl\fR(1), +\fBhostnamectl\fR(1) diff --git a/man/systemd-firstboot.service.1 b/man/systemd-firstboot.service.1 new file mode 100644 index 0000000..0899234 --- /dev/null +++ b/man/systemd-firstboot.service.1 @@ -0,0 +1 @@ +.so man1/systemd-firstboot.1 diff --git a/man/systemd-firstboot.xml b/man/systemd-firstboot.xml new file mode 100644 index 0000000..67289da --- /dev/null +++ b/man/systemd-firstboot.xml @@ -0,0 +1,259 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + This file is part of systemd. + + Copyright 2014 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="systemd-firstboot" conditional='ENABLE_FIRSTBOOT' + xmlns:xi="http://www.w3.org/2001/XInclude"> + + <refentryinfo> + <title>systemd-firstboot</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Lennart</firstname> + <surname>Poettering</surname> + <email>lennart@poettering.net</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-firstboot</refentrytitle> + <manvolnum>1</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-firstboot</refname> + <refname>systemd-firstboot.service</refname> + <refpurpose>Initialize basic system settings on or before the first boot-up of a system</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>systemd-firstboot</command> + <arg choice="opt" rep="repeat">OPTIONS</arg> + </cmdsynopsis> + + <para><filename>systemd-firstboot.service</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>systemd-firstboot</command> initializes the most + basic system settings interactively on the first boot, or + optionally non-interactively when a system image is created. The + following settings may be set up:</para> + + <itemizedlist> + <listitem><para>The system locale, more specifically the two + locale variables <varname>LANG=</varname> and + <varname>LC_MESSAGES</varname></para></listitem> + + <listitem><para>The system time zone</para></listitem> + + <listitem><para>The system host name</para></listitem> + + <listitem><para>The machine ID of the system</para></listitem> + + <listitem><para>The root user's password</para></listitem> + </itemizedlist> + + <para>Each of the fields may either be queried interactively from + the users, set non-interactively on the tool's command line, or be + copied from a host system that is used to set up the system + image.</para> + + <para>If a setting is already initialized it will not be + overwritten and the user will not be prompted for the + setting.</para> + + <para>Note that this tool operates directly on the file system and + does not involve any running system services, unlike + <citerefentry project='man-pages'><refentrytitle>localectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>timedatectl</refentrytitle><manvolnum>1</manvolnum></citerefentry> + or + <citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>. + This allows <command>systemd-firstboot</command> to operate on + mounted but not booted disk images and in early boot. It is not + recommended to use <command>systemd-firstboot</command> on the + running system while it is up.</para> + </refsect1> + + <refsect1> + <title>Options</title> + + <para>The following options are understood:</para> + + <variablelist> + <varlistentry> + <term><option>--root=<replaceable>root</replaceable></option></term> + <listitem><para>Takes a directory path as an argument. All + paths will be prefixed with the given alternate + <replaceable>root</replaceable> path, including config search + paths. This is useful to operate on a system image mounted to + the specified directory instead of the host system itself. + </para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--locale=<replaceable>LOCALE</replaceable></option></term> + <term><option>--locale-messages=<replaceable>LOCALE</replaceable></option></term> + + <listitem><para>Sets the system locale, more specifically the + <varname>LANG=</varname> and <varname>LC_MESSAGES</varname> + settings. The argument should be a valid locale identifier, + such as <literal>de_DE.UTF-8</literal>. This controls the + <citerefentry project='man-pages'><refentrytitle>locale.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry> + configuration file.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--timezone=<replaceable>TIMEZONE</replaceable></option></term> + + <listitem><para>Sets the system time zone. The argument should + be a valid time zone identifier, such as + <literal>Europe/Berlin</literal>. This controls the + <citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry> + symlink.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--hostname=<replaceable>HOSTNAME</replaceable></option></term> + + <listitem><para>Sets the system hostname. The argument should + be a host name, compatible with DNS. This controls the + <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry> + configuration file.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--machine-id=<replaceable>ID</replaceable></option></term> + + <listitem><para>Sets the system's machine ID. This controls + the + <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry> + file.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--root-password=<replaceable>PASSWORD</replaceable></option></term> + <term><option>--root-password-file=<replaceable>PATH</replaceable></option></term> + + <listitem><para>Sets the password of the system's root user. + This creates a + <citerefentry project='die-net'><refentrytitle>shadow</refentrytitle><manvolnum>5</manvolnum></citerefentry> + file. This setting exists in two forms: + <option>--root-password=</option> accepts the password to set + directly on the command line, + <option>--root-password-file=</option> reads it from a file. + Note that it is not recommended specifying passwords on the + command line as other users might be able to see them simply + by invoking + <citerefentry project='die-net'><refentrytitle>ps</refentrytitle><manvolnum>1</manvolnum></citerefentry>.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--prompt-locale</option></term> + <term><option>--prompt-timezone</option></term> + <term><option>--prompt-hostname</option></term> + <term><option>--prompt-root-password</option></term> + + <listitem><para>Prompt the user interactively for a specific + basic setting. Note that any explicit configuration settings + specified on the command line take precedence, and the user is + not prompted for it.</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--prompt</option></term> + + <listitem><para>Query the user for locale, timezone, hostname + and root password. This is equivalent to specifying + <option>--prompt-locale</option>, + <option>--prompt-timezone</option>, + <option>--prompt-hostname</option>, + <option>--prompt-root-password</option> in combination.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--copy-locale</option></term> + <term><option>--copy-timezone</option></term> + <term><option>--copy-root-password</option></term> + + <listitem><para>Copy a specific basic setting from the host. + This only works in combination with <option>--root=</option> + (see above).</para></listitem> + </varlistentry> + + <varlistentry> + <term><option>--copy</option></term> + + <listitem><para>Copy locale, time zone and root password from + the host. This is equivalent to specifying + <option>--copy-locale</option>, + <option>--copy-timezone</option>, + <option>--copy-root-password</option> in combination.</para> + </listitem> + </varlistentry> + + <varlistentry> + <term><option>--setup-machine-id</option></term> + + <listitem><para>Initialize the system's machine ID to a random + ID. This only works in combination with + <option>--root=</option>.</para></listitem> + </varlistentry> + + <xi:include href="standard-options.xml" xpointer="help" /> + <xi:include href="standard-options.xml" xpointer="version" /> + </variablelist> + + </refsect1> + + <refsect1> + <title>Exit status</title> + + <para>On success, 0 is returned, a non-zero failure code + otherwise.</para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>locale.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>localtime</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>hostname</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>machine-id</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry project='die-net'><refentrytitle>shadow</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-machine-id-setup</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>localectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>timedatectl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry><refentrytitle>hostnamectl</refentrytitle><manvolnum>1</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml index 85bcf29..64791f2 100644 --- a/man/systemd.unit.xml +++ b/man/systemd.unit.xml @@ -887,6 +887,7 @@ <term><varname>ConditionSecurity=</varname></term> <term><varname>ConditionCapability=</varname></term> <term><varname>ConditionACPower=</varname></term> + <term><varname>ConditionFirstBoot=</varname></term> <term><varname>ConditionPathExists=</varname></term> <term><varname>ConditionPathExistsGlob=</varname></term> <term><varname>ConditionPathIsDirectory=</varname></term> @@ -1056,6 +1057,18 @@ all AC connectors are disconnected from a power source.</para> + <para><varname>ConditionFirstBoot=</varname> + takes a boolean argument. This + condition may be used to + conditionalize units on whether the + system is booting up with an + unpopulated <filename>/etc</filename> + directory. This may be used to + populate <filename>/etc</filename> on + the first boot after factory reset, or + when a new system instances boots up + for the first time.</para> + <para>With <varname>ConditionPathExists=</varname> a file existence condition is diff --git a/src/core/condition.c b/src/core/condition.c index 1448fa1..f816fef 100644 --- a/src/core/condition.c +++ b/src/core/condition.c @@ -91,6 +91,20 @@ static bool condition_test_capability(Condition *c) { return !!(capabilities & (1ULL << value)) == !c->negate; } +static bool condition_test_first_boot(Condition *c) { + int r; + + assert(c); + assert(c->parameter); + assert(c->type == CONDITION_FIRST_BOOT); + + r = parse_boolean(c->parameter); + if (r < 0) + return c->negate; + + return ((access("/run/systemd/first-boot", F_OK) >= 0) == !!r) == !c->negate; +} + static bool condition_test(Condition *c) { assert(c); @@ -170,6 +184,9 @@ static bool condition_test(Condition *c) { case CONDITION_ARCHITECTURE: return condition_test_architecture(c); + case CONDITION_FIRST_BOOT: + return condition_test_first_boot(c); + case CONDITION_NULL: return !c->negate; diff --git a/src/core/load-fragment-gperf.gperf.m4 b/src/core/load-fragment-gperf.gperf.m4 index 2eb24c4..6e8eac5 100644 --- a/src/core/load-fragment-gperf.gperf.m4 +++ b/src/core/load-fragment-gperf.gperf.m4 @@ -155,6 +155,7 @@ Unit.ConditionPathIsReadWrite, config_parse_unit_condition_path, CONDITION_P Unit.ConditionDirectoryNotEmpty, config_parse_unit_condition_path, CONDITION_DIRECTORY_NOT_EMPTY, 0 Unit.ConditionFileNotEmpty, config_parse_unit_condition_path, CONDITION_FILE_NOT_EMPTY, 0 Unit.ConditionFileIsExecutable, config_parse_unit_condition_path, CONDITION_FILE_IS_EXECUTABLE, 0 +Unit.ConditionFirstBoot, config_parse_unit_condition_path, CONDITION_FIRST_BOOT, 0 Unit.ConditionKernelCommandLine, config_parse_unit_condition_string, CONDITION_KERNEL_COMMAND_LINE, 0 Unit.ConditionArchitecture, config_parse_unit_condition_string, CONDITION_ARCHITECTURE, 0 Unit.ConditionVirtualization, config_parse_unit_condition_string, CONDITION_VIRTUALIZATION, 0 diff --git a/src/core/main.c b/src/core/main.c index 15bef1f..27d2d58 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -1291,6 +1291,7 @@ int main(int argc, char *argv[]) { bool loaded_policy = false; bool arm_reboot_watchdog = false; bool queue_default_job = false; + bool empty_etc = false; char *switch_root_dir = NULL, *switch_root_init = NULL; static struct rlimit saved_rlimit_nofile = { 0, 0 }; @@ -1575,9 +1576,21 @@ int main(int argc, char *argv[]) { if (in_initrd()) log_info("Running in initial RAM disk."); + /* Let's check whether /etc is already populated. We + * don't actually really check for that, but use + * /etc/machine-id as flag file. This allows container + * managers and installers to provision a couple of + * files already. If the container manager wants to + * provision the machine ID itself it should pass + * $container_uuid to PID 1. */ + + empty_etc = access("/etc/machine-id", F_OK) < 0; + if (empty_etc) + log_info("Running with unpopulated /etc."); + } else { _cleanup_free_ char *t; - + t = uid_to_name(getuid()); log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")", arg_action == ACTION_TEST ? " test" : "", getuid(), t); @@ -1655,6 +1668,7 @@ int main(int argc, char *argv[]) { manager_set_defaults(m); manager_set_show_status(m, arg_show_status); + manager_set_first_boot(m, empty_etc); /* Remember whether we should queue the default job */ queue_default_job = !arg_serialization || arg_switched_root; diff --git a/src/core/manager.c b/src/core/manager.c index e08b3a5..e284bd8 100644 --- a/src/core/manager.c +++ b/src/core/manager.c @@ -2751,6 +2751,9 @@ void manager_check_finished(Manager *m) { /* Turn off confirm spawn now */ m->confirm_spawn = false; + /* This is no longer the first boot */ + manager_set_first_boot(m, false); + /* No need to update ask password status when we're going non-interactive */ manager_close_ask_password(m); @@ -3086,6 +3089,20 @@ static bool manager_get_show_status(Manager *m) { return plymouth_running(); } +void manager_set_first_boot(Manager *m, bool b) { + assert(m); + + if (m->running_as != SYSTEMD_SYSTEM) + return; + + m->first_boot = b; + + if (m->first_boot) + touch("/run/systemd/first-boot"); + else + unlink("/run/systemd/first-boot"); +} + void manager_status_printf(Manager *m, bool ephemeral, const char *status, const char *format, ...) { va_list ap; diff --git a/src/core/manager.h b/src/core/manager.h index a77f201..9005b7d 100644 --- a/src/core/manager.h +++ b/src/core/manager.h @@ -216,6 +216,7 @@ struct Manager { bool dispatching_dbus_queue:1; bool taint_usr:1; + bool first_boot:1; bool test_run:1; @@ -323,6 +324,8 @@ void manager_undo_generators(Manager *m); void manager_recheck_journal(Manager *m); void manager_set_show_status(Manager *m, ShowStatus mode); +void manager_set_first_boot(Manager *m, bool b); + void manager_status_printf(Manager *m, bool ephemeral, const char *status, const char *format, ...) _printf_(4,5); void manager_flip_auto_status(Manager *m, bool enable); diff --git a/src/firstboot/Makefile b/src/firstboot/Makefile new file mode 100644 index 0000000..9d07505 --- /dev/null +++ b/src/firstboot/Makefile @@ -0,0 +1,28 @@ +# This file is part of systemd. +# +# Copyright 2010 Lennart Poettering +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see <http://www.gnu.org/licenses/>. + +# This file is a dirty trick to simplify compilation from within +# emacs. This file is not intended to be distributed. So, don't touch +# it, even better ignore it! + +all: + $(MAKE) -C .. + +clean: + $(MAKE) -C .. clean + +.PHONY: all clean diff --git a/src/firstboot/firstboot.c b/src/firstboot/firstboot.c new file mode 100644 index 0000000..d145a8c --- /dev/null +++ b/src/firstboot/firstboot.c @@ -0,0 +1,1532 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +/*** + This file is part of systemd. + + Copyright 2014 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + + +#include <fcntl.h> +#include <unistd.h> +#include <getopt.h> +#include <shadow.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <sys/stat.h> + +#include "fileio.h" +#include "util.h" +#include "build.h" +#include "mkdir.h" +#include "log.h" +#include "time-util.h" +#include "path-util.h" +#include "ask-password-api.h" +#include "strv.h" + +#include "set.h" +#include <sys/mman.h> + +#define USEC_INFINITY ((usec_t) -1) + +#define strjoina(a, ...) \ + ({ \ + const char *_appendees_[] = { a, __VA_ARGS__ }; \ + char *_d_, *_p_; \ + int _len_ = 0; \ + unsigned _i_; \ + for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ + _len_ += strlen(_appendees_[_i_]); \ + _p_ = _d_ = alloca(_len_ + 1); \ + for (_i_ = 0; _i_ < ELEMENTSOF(_appendees_) && _appendees_[_i_]; _i_++) \ + _p_ = stpcpy(_p_, _appendees_[_i_]); \ + *_p_ = 0; \ + _d_; \ + }) + + +#define prefix_roota(root, path) \ + ({ \ + const char* _path = (path), *_root = (root), *_ret; \ + char *_p, *_n; \ + size_t _l; \ + while (_path[0] == '/' && _path[1] == '/') \ + _path ++; \ + if (isempty(_root) || path_equal(_root, "/")) \ + _ret = _path; \ + else { \ + _l = strlen(_root) + 1 + strlen(_path) + 1; \ + _n = alloca(_l); \ + _p = stpcpy(_n, _root); \ + while (_p > _n && _p[-1] == '/') \ + _p--; \ + if (_path[0] != '/') \ + *(_p++) = '/'; \ + strcpy(_p, _path); \ + _ret = _n; \ + } \ + _ret; \ + }) +static int ask_string(char **ret, const char *text, ...) { + assert(ret); + assert(text); + + for (;;) { + char line[LINE_MAX]; + va_list ap; + + if (on_tty()) + fputs(ANSI_HIGHLIGHT_ON, stdout); + + va_start(ap, text); + vprintf(text, ap); + va_end(ap); + + if (on_tty()) + fputs(ANSI_HIGHLIGHT_OFF, stdout); + + fflush(stdout); + + errno = 0; + if (!fgets(line, sizeof(line), stdin)) + return errno ? -errno : -EIO; + + if (!endswith(line, "\n")) + putchar('\n'); + else { + char *s; + + if (isempty(line)) + continue; + + truncate_nl(line); + s = strdup(line); + if (!s) + return -ENOMEM; + + *ret = s; + return 0; + } + } +} + +static inline void *mfree(void *memory) { + free(memory); + return NULL; +} +static int free_and_strdup(char **p, const char *s) { + char *t; + + assert(p); + + /* Replaces a string pointer with an strdup()ed new string, + * possibly freeing the old one. */ + + if (streq_ptr(*p, s)) + return 0; + + if (s) { + t = strdup(s); + if (!t) + return -ENOMEM; + } else + t = NULL; + + free(*p); + *p = t; + + return 1; +} + +static int get_timezones(char ***ret) { + _cleanup_fclose_ FILE *f = NULL; + _cleanup_strv_free_ char **zones = NULL; + size_t n_zones = 0, n_allocated = 0; + + assert(ret); + + zones = strv_new("UTC", NULL); + if (!zones) + return -ENOMEM; + + n_allocated = 2; + n_zones = 1; + + f = fopen("/usr/share/zoneinfo/zone.tab", "re"); + if (f) { + char l[LINE_MAX]; + + FOREACH_LINE(l, f, return -errno) { + char *p, *w; + size_t k; + + p = strstrip(l); + + if (isempty(p) || *p == '#') + continue; + + /* Skip over country code */ + p += strcspn(p, WHITESPACE); + p += strspn(p, WHITESPACE); + + /* Skip over coordinates */ + p += strcspn(p, WHITESPACE); + p += strspn(p, WHITESPACE); + + /* Found timezone name */ + k = strcspn(p, WHITESPACE); + if (k <= 0) + continue; + + w = strndup(p, k); + if (!w) + return -ENOMEM; + + if (!GREEDY_REALLOC(zones, n_allocated, n_zones + 2)) { + free(w); + return -ENOMEM; + } + + zones[n_zones++] = w; + zones[n_zones] = NULL; + } + + strv_sort(zones); + + } else if (errno != ENOENT) + return -errno; + + *ret = zones; + zones = NULL; + + return 0; +} + +static bool timezone_is_valid(const char *name) { + bool slash = false; + const char *p, *t; + struct stat st; + + if (!name || *name == 0 || *name == '/') + return false; + + for (p = name; *p; p++) { + if (!(*p >= '0' && *p <= '9') && + !(*p >= 'a' && *p <= 'z') && + !(*p >= 'A' && *p <= 'Z') && + !(*p == '-' || *p == '_' || *p == '+' || *p == '/')) + return false; + + if (*p == '/') { + + if (slash) + return false; + + slash = true; + } else + slash = false; + } + + if (slash) + return false; + + t = strjoina("/usr/share/zoneinfo/", name); + if (stat(t, &st) < 0) + return false; + + if (!S_ISREG(st.st_mode)) + return false; + + return true; +} + +static bool hostname_valid_char2(char c) { + return + (c >= 'a' && c <= 'z') || + (c >= 'A' && c <= 'Z') || + (c >= '0' && c <= '9') || + c == '-' || + c == '_' || + c == '.'; +} + + +static bool hostname_is_valid2(const char *s, bool relax) { + const char *p; + bool dot; + unsigned dots = 0; + + if (isempty(s)) + return false; + + /* Doesn't accept empty hostnames, hostnames with + * leading dots, and hostnames with multiple dots in a + * sequence. Also ensures that the length stays below + * HOST_NAME_MAX. */ + + for (p = s, dot = true; *p; p++) { + if (*p == '.') { + if (dot) + return false; + + dot = true; + dots ++; + } else { + if (!hostname_valid_char2(*p)) + return false; + + dot = false; + } + } + + if (dot && (dots < 2 || !relax)) + return false; + + if (p-s > HOST_NAME_MAX) + return false; + + return true; +} + + +static bool filename_is_valid(const char *p) { + + if (isempty(p)) + return false; + + if (strchr(p, '/')) + return false; + + if (streq(p, ".")) + return false; + + if (streq(p, "..")) + return false; + + if (strlen(p) > FILENAME_MAX) + return false; + + return true; +} + +static int fflush_and_check(FILE *f) { + assert(f); + + errno = 0; + fflush(f); + + if (ferror(f)) + return errno ? -errno : -EIO; + + return 0; +} + +static int safe_close(int fd) { + + /* + * Like close_nointr() but cannot fail. Guarantees errno is + * unchanged. Is a NOP with negative fds passed, and returns + * -1, so that it can be used in this syntax: + * + * fd = safe_close(fd); + */ + + if (fd >= 0) { + close_nointr_nofail (fd); + } + + return -1; +} + +static int take_password_lock(const char *root) { + + struct flock flock = { + .l_type = F_WRLCK, + .l_whence = SEEK_SET, + .l_start = 0, + .l_len = 0, + }; + + const char *path; + int fd, r; + + /* This is roughly the same as lckpwdf(), but not as awful. We + * don't want to use alarm() and signals, hence we implement + * our own trivial version of this. + * + * Note that shadow-utils also takes per-database locks in + * addition to lckpwdf(). However, we don't given that they + * are redundant as they they invoke lckpwdf() first and keep + * it during everything they do. The per-database locks are + * awfully racy, and thus we just won't do them. */ + + if (root) + path = strjoina(root, "/etc/.pwd.lock"); + else + path = "/etc/.pwd.lock"; + + fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW, 0600); + if (fd < 0) + return -errno; + + r = fcntl(fd, F_SETLKW, &flock); + if (r < 0) { + safe_close(fd); + return -errno; + } + + return fd; +} + + +typedef enum LocaleVariable { + /* We don't list LC_ALL here on purpose. People should be + * using LANG instead. */ + + VARIABLE_LANG, + VARIABLE_LANGUAGE, + VARIABLE_LC_CTYPE, + VARIABLE_LC_NUMERIC, + VARIABLE_LC_TIME, + VARIABLE_LC_COLLATE, + VARIABLE_LC_MONETARY, + VARIABLE_LC_MESSAGES, + VARIABLE_LC_PAPER, + VARIABLE_LC_NAME, + VARIABLE_LC_ADDRESS, + VARIABLE_LC_TELEPHONE, + VARIABLE_LC_MEASUREMENT, + VARIABLE_LC_IDENTIFICATION, + _VARIABLE_LC_MAX, + _VARIABLE_LC_INVALID = -1 +} LocaleVariable; + +#include "set.h" +#include "utf8.h" + +static int add_locales_from_archive(Set *locales) { + /* Stolen from glibc... */ + + struct locarhead { + uint32_t magic; + /* Serial number. */ + uint32_t serial; + /* Name hash table. */ + uint32_t namehash_offset; + uint32_t namehash_used; + uint32_t namehash_size; + /* String table. */ + uint32_t string_offset; + uint32_t string_used; + uint32_t string_size; + /* Table with locale records. */ + uint32_t locrectab_offset; + uint32_t locrectab_used; + uint32_t locrectab_size; + /* MD5 sum hash table. */ + uint32_t sumhash_offset; + uint32_t sumhash_used; + uint32_t sumhash_size; + }; + + struct namehashent { + /* Hash value of the name. */ + uint32_t hashval; + /* Offset of the name in the string table. */ + uint32_t name_offset; + /* Offset of the locale record. */ + uint32_t locrec_offset; + }; + + const struct locarhead *h; + const struct namehashent *e; + const void *p = MAP_FAILED; + _cleanup_close_ int fd = -1; + size_t sz = 0; + struct stat st; + unsigned i; + int r; + + fd = open("/usr/lib/locale/locale-archive", O_RDONLY|O_NOCTTY|O_CLOEXEC); + if (fd < 0) + return errno == ENOENT ? 0 : -errno; + + if (fstat(fd, &st) < 0) + return -errno; + + if (!S_ISREG(st.st_mode)) + return -EBADMSG; + + if (st.st_size < (off_t) sizeof(struct locarhead)) + return -EBADMSG; + + p = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); + if (p == MAP_FAILED) + return -errno; + + h = (const struct locarhead *) p; + if (h->magic != 0xde020109 || + h->namehash_offset + h->namehash_size > st.st_size || + h->string_offset + h->string_size > st.st_size || + h->locrectab_offset + h->locrectab_size > st.st_size || + h->sumhash_offset + h->sumhash_size > st.st_size) { + r = -EBADMSG; + goto finish; + } + + e = (const struct namehashent*) ((const uint8_t*) p + h->namehash_offset); + for (i = 0; i < h->namehash_size; i++) { + char *z; + + if (e[i].locrec_offset == 0) + continue; + + if (!utf8_is_valid((char*) p + e[i].name_offset)) + continue; + + z = strdup((char*) p + e[i].name_offset); + if (!z) { + r = -ENOMEM; + goto finish; + } + + r = set_consume(locales, z); + if (r < 0) + goto finish; + } + + r = 0; + + finish: + if (p != MAP_FAILED) + munmap((void*) p, sz); + + return r; +} + +static int add_locales_from_libdir (Set *locales) { + _cleanup_closedir_ DIR *dir = NULL; + struct dirent *entry; + int r; + + dir = opendir("/usr/lib/locale"); + if (!dir) + return errno == ENOENT ? 0 : -errno; + + FOREACH_DIRENT(entry, dir, return -errno) { + char *z; + + if (entry->d_type != DT_DIR) + continue; + + z = strdup(entry->d_name); + if (!z) + return -ENOMEM; + + r = set_consume(locales, z); + if (r < 0 && r != -EEXIST) + return r; + } + + return 0; +} + +static int get_locales(char ***ret) { + _cleanup_set_free_ Set *locales = NULL; + _cleanup_strv_free_ char **l = NULL; + int r; + + locales = set_new(string_hash_func, string_compare_func); + if (!locales) + return -ENOMEM; + + r = add_locales_from_archive(locales); + if (r < 0 && r != -ENOENT) + return r; + + r = add_locales_from_libdir(locales); + if (r < 0) + return r; + + l = set_get_strv(locales); + if (!l) + return -ENOMEM; + + strv_sort(l); + + *ret = l; + l = NULL; + + return 0; +} + +static bool locale_is_valid(const char *name) { + + if (isempty(name)) + return false; + + if (strlen(name) >= 128) + return false; + + if (!utf8_is_valid(name)) + return false; + + if (!filename_is_valid(name)) + return false; + + if (!string_is_safe(name)) + return false; + + return true; +} + +static const char * const locale_variable_table[_VARIABLE_LC_MAX] = { + [VARIABLE_LANG] = "LANG", + [VARIABLE_LANGUAGE] = "LANGUAGE", + [VARIABLE_LC_CTYPE] = "LC_CTYPE", + [VARIABLE_LC_NUMERIC] = "LC_NUMERIC", + [VARIABLE_LC_TIME] = "LC_TIME", + [VARIABLE_LC_COLLATE] = "LC_COLLATE", + [VARIABLE_LC_MONETARY] = "LC_MONETARY", + [VARIABLE_LC_MESSAGES] = "LC_MESSAGES", + [VARIABLE_LC_PAPER] = "LC_PAPER", + [VARIABLE_LC_NAME] = "LC_NAME", + [VARIABLE_LC_ADDRESS] = "LC_ADDRESS", + [VARIABLE_LC_TELEPHONE] = "LC_TELEPHONE", + [VARIABLE_LC_MEASUREMENT] = "LC_MEASUREMENT", + [VARIABLE_LC_IDENTIFICATION] = "LC_IDENTIFICATION" +}; + +const char* locale_variable_to_string(LocaleVariable i) _const_; +LocaleVariable locale_variable_from_string(const char *s) _pure_; + +DEFINE_STRING_TABLE_LOOKUP(locale_variable, LocaleVariable); + + +static char *arg_root = NULL; +static char *arg_locale = NULL; /* $LANG */ +static char *arg_locale_messages = NULL; /* $LC_MESSAGES */ +static char *arg_timezone = NULL; +static char *arg_hostname = NULL; +static sd_id128_t arg_machine_id = {}; +static char *arg_root_password = NULL; +static bool arg_prompt_locale = false; +static bool arg_prompt_timezone = false; +static bool arg_prompt_hostname = false; +static bool arg_prompt_root_password = false; +static bool arg_copy_locale = false; +static bool arg_copy_timezone = false; +static bool arg_copy_root_password = false; + +static void clear_string(char *x) { + + if (!x) + return; + + /* A delicious drop of snake-oil! */ + memset(x, 'x', strlen(x)); +} + +static bool press_any_key(void) { + char k = 0; + bool need_nl = true; + + printf("-- Press any key to proceed --"); + fflush(stdout); + + (void) read_one_char(stdin, &k, USEC_INFINITY, &need_nl); + + if (need_nl) + putchar('\n'); + + return k != 'q'; +} + +static void print_welcome(void) { + _cleanup_free_ char *pretty_name = NULL; + const char *os_release = NULL; + static bool done = false; + int r; + + if (done) + return; + + os_release = prefix_roota(arg_root, "/etc/os-release"); + r = parse_env_file(os_release, NEWLINE, + "PRETTY_NAME", &pretty_name, + NULL); + if (r == -ENOENT) { + + os_release = prefix_roota(arg_root, "/usr/lib/os-release"); + r = parse_env_file(os_release, NEWLINE, + "PRETTY_NAME", &pretty_name, + NULL); + } + + if (r < 0 && r != -ENOENT) + log_warning("Failed to read os-release file: %s",strerror(-r)); + + printf("\nWelcome to your new installation of %s!\nPlease configure a few basic system settings:\n\n", + isempty(pretty_name) ? "Linux" : pretty_name); + + press_any_key(); + + done = true; +} + +static int show_menu(char **x, unsigned n_columns, unsigned width, unsigned percentage) { + unsigned n, per_column, i, j; + unsigned break_lines, break_modulo; + + assert(n_columns > 0); + + n = strv_length(x); + per_column = (n + n_columns - 1) / n_columns; + + break_lines = lines(); + if (break_lines > 2) + break_lines--; + + /* The first page gets two extra lines, since we want to show + * a title */ + break_modulo = break_lines; + if (break_modulo > 3) + break_modulo -= 3; + + for (i = 0; i < per_column; i++) { + + for (j = 0; j < n_columns; j ++) { + _cleanup_free_ char *e = NULL; + + if (j * per_column + i >= n) + break; + + e = ellipsize(x[j * per_column + i], width, percentage); + if (!e) + return log_oom(); + + printf("%4u) %-*s", j * per_column + i + 1, width, e); + } + + putchar('\n'); + + /* on the first screen we reserve 2 extra lines for the title */ + if (i % break_lines == break_modulo) { + if (!press_any_key()) + return 0; + } + } + + return 0; +} + +static int prompt_loop(const char *text, char **l, bool (*is_valid)(const char *name), char **ret) { + int r; + + assert(text); + assert(is_valid); + assert(ret); + + for (;;) { + _cleanup_free_ char *p = NULL; + unsigned u; + + r = ask_string(&p, "%s %s (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET), text); + if (r < 0) { + log_error("Failed to query user: %s",strerror(-r)); + return r; + } + + if (isempty(p)) { + log_warning("No data entered, skipping."); + return 0; + } + + r = safe_atou(p, &u); + if (r >= 0) { + char *c; + + if (u <= 0 || u > strv_length(l)) { + log_error("Specified entry number out of range."); + continue; + } + + log_info("Selected '%s'.", l[u-1]); + + c = strdup(l[u-1]); + if (!c) + return log_oom(); + + free(*ret); + *ret = c; + return 0; + } + + if (!is_valid(p)) { + log_error("Entered data invalid."); + continue; + } + + free(*ret); + *ret = p; + p = 0; + return 0; + } +} + +static int prompt_locale(void) { + _cleanup_strv_free_ char **locales = NULL; + int r; + + if (arg_locale || arg_locale_messages) + return 0; + + if (!arg_prompt_locale) + return 0; + + r = get_locales(&locales); + if (r < 0) { + log_error("Cannot query locales list: %s",strerror(-r)); + return r; + } + + print_welcome(); + + printf("\nAvailable Locales:\n\n"); + r = show_menu(locales, 3, 22, 60); + if (r < 0) + return r; + + putchar('\n'); + + r = prompt_loop("Please enter system locale name or number", locales, locale_is_valid, &arg_locale); + if (r < 0) + return r; + + if (isempty(arg_locale)) + return 0; + + r = prompt_loop("Please enter system message locale name or number", locales, locale_is_valid, &arg_locale_messages); + if (r < 0) + return r; + + return 0; +} + +static int process_locale(void) { + const char *etc_localeconf; + char* locales[3]; + unsigned i = 0; + int r; + + etc_localeconf = prefix_roota(arg_root, "/etc/locale.conf"); + if (faccessat(AT_FDCWD, etc_localeconf, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) + return 0; + + if (arg_copy_locale && arg_root) { + + mkdir_parents(etc_localeconf, 0755); + r = copy_file("/etc/locale.conf", etc_localeconf, 0); + if (r != -ENOENT) { + if (r < 0) + { + log_error("Failed to copy %s: %s", etc_localeconf,strerror(-r)); + return r; + } + + log_info("%s copied.", etc_localeconf); + return 0; + } + r = chmod ("/etc/locale.conf", S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH); + if (r < 0) + { + log_error("Failed to chmod 0644 %s: %s", etc_localeconf,strerror(-r)); + return r; + } + } + + r = prompt_locale(); + if (r < 0) + return r; + + if (!isempty(arg_locale)) + locales[i++] = strjoina("LANG=", arg_locale); + if (!isempty(arg_locale_messages) && !streq(arg_locale_messages, arg_locale)) + locales[i++] = strjoina("LC_MESSAGES=", arg_locale_messages); + + if (i == 0) + return 0; + + locales[i] = NULL; + + mkdir_parents(etc_localeconf, 0755); + r = write_env_file(etc_localeconf, locales); + if (r < 0) + { + log_error("Failed to write %s: %s", etc_localeconf,strerror(-r)); + return r; + } + + log_info("%s written.", etc_localeconf); + return 0; +} + +static int prompt_timezone(void) { + _cleanup_strv_free_ char **zones = NULL; + int r; + + if (arg_timezone) + return 0; + + if (!arg_prompt_timezone) + return 0; + + r = get_timezones(&zones); + if (r < 0) + { + log_error("Cannot query timezone list: %s",strerror(-r)); + return r; + } + + print_welcome(); + + printf("\nAvailable Time Zones:\n\n"); + r = show_menu(zones, 3, 22, 30); + if (r < 0) + return r; + + putchar('\n'); + + r = prompt_loop("Please enter timezone name or number", zones, timezone_is_valid, &arg_timezone); + if (r < 0) + return r; + + return 0; +} + +static int process_timezone(void) { + const char *etc_localtime, *e; + int r; + + etc_localtime = prefix_roota(arg_root, "/etc/localtime"); + if (faccessat(AT_FDCWD, etc_localtime, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) + return 0; + + if (arg_copy_timezone && arg_root) { + _cleanup_free_ char *p = NULL; + + r = readlink_malloc("/etc/localtime", &p); + if (r != -ENOENT) { + if (r < 0) + { + log_error("Failed to read host timezone: %s",strerror(-r)); + return r; + } + + mkdir_parents(etc_localtime, 0755); + if (symlink(p, etc_localtime) < 0) + { + r = -errno; + log_error("Failed to create %s symlink: %s", etc_localtime,strerror(-r)); + return r; + } + + log_info("%s copied.", etc_localtime); + return 0; + } + } + + r = prompt_timezone(); + if (r < 0) + return r; + + if (isempty(arg_timezone)) + return 0; + + e = strjoina("../usr/share/zoneinfo/", arg_timezone); + + mkdir_parents(etc_localtime, 0755); + if (symlink(e, etc_localtime) < 0) + { + r = -errno; + log_error("Failed to create %s symlink: %s", etc_localtime,strerror(-r)); + return r; + } + + log_info("%s written", etc_localtime); + return 0; +} + +static int prompt_hostname(void) { + int r; + + if (arg_hostname) + return 0; + + if (!arg_prompt_hostname) + return 0; + + print_welcome(); + putchar('\n'); + + for (;;) { + _cleanup_free_ char *h = NULL; + + r = ask_string(&h, "%s Please enter hostname for new system (empty to skip): ", draw_special_char(DRAW_TRIANGULAR_BULLET)); + if (r < 0) + { + log_error("Failed to query hostname: %s",strerror(-r)); + return r; + } + + if (isempty(h)) { + log_warning("No hostname entered, skipping."); + break; + } + + if (!hostname_is_valid2(h, true)) { + log_error("Specified hostname invalid."); + continue; + } + + /* Get rid of the trailing dot that we allow, but don't want to see */ + arg_hostname = hostname_cleanup(h,false); + h = NULL; + break; + } + + return 0; +} + +static int process_hostname(void) { + const char *etc_hostname; + int r; + + etc_hostname = prefix_roota(arg_root, "/etc/hostname"); + if (faccessat(AT_FDCWD, etc_hostname, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) + return 0; + + r = prompt_hostname(); + if (r < 0) + return r; + + if (isempty(arg_hostname)) + return 0; + + mkdir_parents(etc_hostname, 0755); + r = write_string_file(etc_hostname, arg_hostname); + if (r < 0) + { + log_error("Failed to write %s: %s", etc_hostname,strerror(-r)); + return r; + } + + log_info("%s written.", etc_hostname); + return 0; +} + +static int process_machine_id(void) { + const char *etc_machine_id; + char id[SD_ID128_STRING_MAX]; + int r; + + etc_machine_id = prefix_roota(arg_root, "/etc/machine-id"); + if (faccessat(AT_FDCWD, etc_machine_id, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) + return 0; + + if (sd_id128_equal(arg_machine_id, SD_ID128_NULL)) + return 0; + + mkdir_parents(etc_machine_id, 0755); + r = write_string_file(etc_machine_id, sd_id128_to_string(arg_machine_id, id)); + if (r < 0) + { + log_error("Failed to write machine id: %s",strerror(-r)); + return r; + } + + log_info("%s written.", etc_machine_id); + return 0; +} + +static int prompt_root_password(void) { + const char *msg1, *msg2, *etc_shadow; + int r; + + if (arg_root_password) + return 0; + + if (!arg_prompt_root_password) + return 0; + + etc_shadow = prefix_roota(arg_root, "/etc/shadow"); + if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) + return 0; + + print_welcome(); + putchar('\n'); + + msg1 = strjoina(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter a new root password (empty to skip): "); + msg2 = strjoina(draw_special_char(DRAW_TRIANGULAR_BULLET), " Please enter new root password again: "); + + for (;;) { + _cleanup_free_ char *a = NULL, *b = NULL; + + r = ask_password_tty(msg1, 0, NULL, &a); + if (r < 0) + { + log_error("Failed to query root password: %s",strerror(-r)); + return r; + } + + if (isempty(a)) { + log_warning("No password entered, skipping."); + break; + } + + r = ask_password_tty(msg2, 0, NULL, &b); + if (r < 0) { + log_error("Failed to query root password: %s",strerror(-r)); + clear_string(a); + return r; + } + + if (!streq(a, b)) { + log_error("Entered passwords did not match, please try again."); + clear_string(a); + clear_string(b); + continue; + } + + clear_string(b); + arg_root_password = a; + a = NULL; + break; + } + + return 0; +} + +static int write_root_shadow(const char *path, const struct spwd *p) { + _cleanup_fclose_ FILE *f = NULL; + assert(path); + assert(p); + + RUN_WITH_UMASK(0777) + f = fopen(path, "wex"); + if (!f) + return -errno; + + errno = 0; + if (putspent(p, f) != 0) + return errno ? -errno : -EIO; + + return fflush_and_check(f); +} + +static int process_root_password(void) { + + static const char table[] = + "abcdefghijklmnopqrstuvwxyz" + "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "0123456789" + "./"; + + struct spwd item = { + .sp_namp = (char*) "root", + .sp_min = -1, + .sp_max = -1, + .sp_warn = -1, + .sp_inact = -1, + .sp_expire = -1, + .sp_flag = (unsigned long) -1, /* this appears to be what everybody does ... */ + }; + + _cleanup_close_ int lock = -1; + char salt[3+16+1+1]; + uint8_t raw[16]; + unsigned i; + char *j; + + const char *etc_shadow; + int r; + + etc_shadow = prefix_roota(arg_root, "/etc/shadow"); + if (faccessat(AT_FDCWD, etc_shadow, F_OK, AT_SYMLINK_NOFOLLOW) >= 0) + return 0; + + mkdir_parents(etc_shadow, 0755); + + lock = take_password_lock(arg_root); + if (lock < 0) + return lock; + + if (arg_copy_root_password && arg_root) { + struct spwd *p; + + errno = 0; + p = getspnam("root"); + if (p || errno != ENOENT) { + if (!p) { + if (!errno) + errno = EIO; + + r = -errno; + log_error("Failed to find shadow entry for root: %s",strerror(-r)); + return r; + } + + r = write_root_shadow(etc_shadow, p); + if (r < 0) + { + log_error("Failed to write %s: %s", etc_shadow,strerror(-r)); + return r; + } + + log_info("%s copied.", etc_shadow); + return 0; + } + } + + r = prompt_root_password(); + if (r < 0) + return r; + + if (!arg_root_password) + return 0; + + r = dev_urandom(raw, 16); + if (r < 0) + { + log_error("Failed to get salt: %s",strerror(-r)); + return r; + } + + /* We only bother with SHA512 hashed passwords, the rest is legacy, and we don't do legacy. */ + assert_cc(sizeof(table) == 64 + 1); + j = stpcpy(salt, "$6$"); + for (i = 0; i < 16; i++) + j[i] = table[raw[i] & 63]; + j[i++] = '$'; + j[i] = 0; + + errno = 0; + item.sp_pwdp = crypt(arg_root_password, salt); + if (!item.sp_pwdp) { + if (!errno) + errno = -EINVAL; + + r = -errno; + log_error("Failed to encrypt password: %s",strerror(-r)); + return r; + } + + item.sp_lstchg = (long) (now(CLOCK_REALTIME) / USEC_PER_DAY); + + r = write_root_shadow(etc_shadow, &item); + if (r < 0) + { + log_error("Failed to write %s: %s", etc_shadow,strerror(-r)); + return r; + } + + log_info("%s written.", etc_shadow); + return 0; +} + +static void help(void) { + printf("%s [OPTIONS...]\n\n" + "Configures basic settings of the system.\n\n" + " -h --help Show this help\n" + " --version Show package version\n" + " --root=PATH Operate on an alternate filesystem root\n" + " --locale=LOCALE Set primary locale (LANG=)\n" + " --locale-messages=LOCALE Set message locale (LC_MESSAGES=)\n" + " --timezone=TIMEZONE Set timezone\n" + " --hostname=NAME Set host name\n" + " --machine-ID=ID Set machine ID\n" + " --root-password=PASSWORD Set root password\n" + " --root-password-file=FILE Set root password from file\n" + " --prompt-locale Prompt the user for locale settings\n" + " --prompt-timezone Prompt the user for timezone\n" + " --prompt-hostname Prompt the user for hostname\n" + " --prompt-root-password Prompt the user for root password\n" + " --prompt Prompt for all of the above\n" + " --copy-locale Copy locale from host\n" + " --copy-timezone Copy timezone from host\n" + " --copy-root-password Copy root password from host\n" + " --copy Copy locale, timezone, root password\n" + " --setup-machine-id Generate a new random machine ID\n" + , program_invocation_short_name); +} + +static int parse_argv(int argc, char *argv[]) { + + enum { + ARG_VERSION = 0x100, + ARG_ROOT, + ARG_LOCALE, + ARG_LOCALE_MESSAGES, + ARG_TIMEZONE, + ARG_HOSTNAME, + ARG_MACHINE_ID, + ARG_ROOT_PASSWORD, + ARG_ROOT_PASSWORD_FILE, + ARG_PROMPT, + ARG_PROMPT_LOCALE, + ARG_PROMPT_TIMEZONE, + ARG_PROMPT_HOSTNAME, + ARG_PROMPT_ROOT_PASSWORD, + ARG_COPY, + ARG_COPY_LOCALE, + ARG_COPY_TIMEZONE, + ARG_COPY_ROOT_PASSWORD, + ARG_SETUP_MACHINE_ID, + }; + + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, + { "root", required_argument, NULL, ARG_ROOT }, + { "locale", required_argument, NULL, ARG_LOCALE }, + { "locale-messages", required_argument, NULL, ARG_LOCALE_MESSAGES }, + { "timezone", required_argument, NULL, ARG_TIMEZONE }, + { "hostname", required_argument, NULL, ARG_HOSTNAME }, + { "machine-id", required_argument, NULL, ARG_MACHINE_ID }, + { "root-password", required_argument, NULL, ARG_ROOT_PASSWORD }, + { "root-password-file", required_argument, NULL, ARG_ROOT_PASSWORD_FILE }, + { "prompt", no_argument, NULL, ARG_PROMPT }, + { "prompt-locale", no_argument, NULL, ARG_PROMPT_LOCALE }, + { "prompt-timezone", no_argument, NULL, ARG_PROMPT_TIMEZONE }, + { "prompt-hostname", no_argument, NULL, ARG_PROMPT_HOSTNAME }, + { "prompt-root-password", no_argument, NULL, ARG_PROMPT_ROOT_PASSWORD }, + { "copy", no_argument, NULL, ARG_COPY }, + { "copy-locale", no_argument, NULL, ARG_COPY_LOCALE }, + { "copy-timezone", no_argument, NULL, ARG_COPY_TIMEZONE }, + { "copy-root-password", no_argument, NULL, ARG_COPY_ROOT_PASSWORD }, + { "setup-machine-id", no_argument, NULL, ARG_SETUP_MACHINE_ID }, + {} + }; + + int r, c; + + assert(argc >= 0); + assert(argv); + + while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) + + switch (c) { + + case 'h': + help(); + return 0; + + case ARG_VERSION: + puts(PACKAGE_STRING); + puts(SYSTEMD_FEATURES); + return 0; + + case ARG_ROOT: + free(arg_root); + arg_root = path_make_absolute_cwd(optarg); + if (!arg_root) + return log_oom(); + + path_kill_slashes(arg_root); + + if (path_equal(arg_root, "/")) + arg_root = mfree(arg_root); + + break; + + case ARG_LOCALE: + if (!locale_is_valid(optarg)) { + log_error("Locale %s is not valid.", optarg); + return -EINVAL; + } + + r = free_and_strdup(&arg_locale, optarg); + if (r < 0) + return log_oom(); + + break; + + case ARG_LOCALE_MESSAGES: + if (!locale_is_valid(optarg)) { + log_error("Locale %s is not valid.", optarg); + return -EINVAL; + } + + r = free_and_strdup(&arg_locale_messages, optarg); + if (r < 0) + return log_oom(); + + break; + + case ARG_TIMEZONE: + if (!timezone_is_valid(optarg)) { + log_error("Timezone %s is not valid.", optarg); + return -EINVAL; + } + + r = free_and_strdup(&arg_timezone, optarg); + if (r < 0) + return log_oom(); + + break; + + case ARG_ROOT_PASSWORD: + r = free_and_strdup(&arg_root_password, optarg); + if (r < 0) + return log_oom(); + break; + + case ARG_ROOT_PASSWORD_FILE: + arg_root_password = mfree(arg_root_password); + + r = read_one_line_file(optarg, &arg_root_password); + if (r < 0) + { + log_error("Failed to read %s: %s", optarg,strerror(-r)); + return r; + } + + break; + + case ARG_HOSTNAME: + if (!hostname_is_valid2(optarg, true)) { + log_error("Host name %s is not valid.", optarg); + return -EINVAL; + } + + hostname_cleanup(optarg,false); + r = free_and_strdup(&arg_hostname, optarg); + if (r < 0) + return log_oom(); + + break; + + case ARG_MACHINE_ID: + if (sd_id128_from_string(optarg, &arg_machine_id) < 0) { + log_error("Failed to parse machine id %s.", optarg); + return -EINVAL; + } + + break; + + case ARG_PROMPT: + arg_prompt_locale = arg_prompt_timezone = arg_prompt_hostname = arg_prompt_root_password = true; + break; + + case ARG_PROMPT_LOCALE: + arg_prompt_locale = true; + break; + + case ARG_PROMPT_TIMEZONE: + arg_prompt_timezone = true; + break; + + case ARG_PROMPT_HOSTNAME: + arg_prompt_hostname = true; + break; + + case ARG_PROMPT_ROOT_PASSWORD: + arg_prompt_root_password = true; + break; + + case ARG_COPY: + arg_copy_locale = arg_copy_timezone = arg_copy_root_password = true; + break; + + case ARG_COPY_LOCALE: + arg_copy_locale = true; + break; + + case ARG_COPY_TIMEZONE: + arg_copy_timezone = true; + break; + + case ARG_COPY_ROOT_PASSWORD: + arg_copy_root_password = true; + break; + + case ARG_SETUP_MACHINE_ID: + + r = sd_id128_randomize(&arg_machine_id); + if (r < 0) + { + log_error("Failed to generate randomized machine ID: %s",strerror(-r)); + return r; + } + + break; + + case '?': + return -EINVAL; + + default: + assert_not_reached("Unhandled option"); + } + + return 1; +} + +int main(int argc, char *argv[]) { + int r; + + r = parse_argv(argc, argv); + if (r <= 0) + goto finish; + + log_set_target(LOG_TARGET_AUTO); + log_parse_environment(); + log_open(); + + umask(0022); + + r = process_locale(); + if (r < 0) + goto finish; + + r = process_timezone(); + if (r < 0) + goto finish; + + r = process_hostname(); + if (r < 0) + goto finish; + + r = process_machine_id(); + if (r < 0) + goto finish; + + r = process_root_password(); + if (r < 0) + goto finish; + +finish: + free(arg_root); + free(arg_locale); + free(arg_locale_messages); + free(arg_timezone); + free(arg_hostname); + clear_string(arg_root_password); + free(arg_root_password); + + return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; +} diff --git a/src/shared/condition-util.c b/src/shared/condition-util.c index 9961cb4..5e4afa4 100644 --- a/src/shared/condition-util.c +++ b/src/shared/condition-util.c @@ -260,6 +260,7 @@ static const char* const condition_type_table[_CONDITION_TYPE_MAX] = { [CONDITION_HOST] = "ConditionHost", [CONDITION_AC_POWER] = "ConditionACPower", [CONDITION_ARCHITECTURE] = "ConditionArchitecture", + [CONDITION_FIRST_BOOT] = "ConditionFirstBoot", [CONDITION_NULL] = "ConditionNull" }; diff --git a/src/shared/condition-util.h b/src/shared/condition-util.h index 63d945e..12c04ec 100644 --- a/src/shared/condition-util.h +++ b/src/shared/condition-util.h @@ -44,6 +44,7 @@ typedef enum ConditionType { CONDITION_HOST, CONDITION_AC_POWER, CONDITION_ARCHITECTURE, + CONDITION_FIRST_BOOT, CONDITION_NULL, _CONDITION_TYPE_MAX, _CONDITION_TYPE_INVALID = -1 diff --git a/units/systemd-firstboot.service.in b/units/systemd-firstboot.service.in new file mode 100644 index 0000000..405c6f3 --- /dev/null +++ b/units/systemd-firstboot.service.in @@ -0,0 +1,24 @@ +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=First Boot Wizard +Documentation=man:systemd-firstboot(1) +DefaultDependencies=no +Conflicts=shutdown.target +After=systemd-remount-fs.service +Before=systemd-sysusers.service sysinit.target shutdown.target +ConditionPathIsReadWrite=/etc +ConditionFirstBoot=yes + +[Service] +Type=oneshot +RemainAfterExit=yes +ExecStart=@rootbindir@/systemd-firstboot --prompt-locale --prompt-timezone --prompt-root-password +StandardOutput=tty +StandardInput=tty +StandardError=tty -- 2.1.4
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