Merge branch 'fix-shell'

This introduces configuration to allow switching between the
behavior noted in #964, and the desired behavior from PR #955.

For the Manjaro Openbox edition, this means they should add:
```
userShell:
```
To users.conf, while others will see the return of the previous
behavior of passing -s /bin/bash.

FIXES #964

src/modules/netinstall/NetInstallPage.cpp

@@ -30,19 +30,11 @@
 #include "utils/Retranslator.h"
 #include "utils/YamlUtils.h"
 
-#include <QFile>
-#include <QMap>
-#include <QTextStream>
-
 #include <QNetworkAccessManager>
 #include <QNetworkRequest>
 #include <QNetworkReply>
 
 #include <QHeaderView>
-#include <QtDebug>
-#include <QtGlobal>
-#include <QWidget>
-#include <QSignalMapper>
 
 #include <yaml-cpp/yaml.h>
 

src/modules/users/CreateUserJob.cpp

@@ -1,6 +1,7 @@
 /* === This file is part of Calamares - <https://github.com/calamares> ===
  *
  *   Copyright 2014-2016, Teo Mrnjavac <teo@kde.org>
+ *   Copyright 2018, Adriaan de Groot <groot@kde.org>
  *
  *   Calamares is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -146,20 +147,21 @@ CreateUserJob::exec()
         }
     }
 
-    int ec = CalamaresUtils::System::instance()->
-             targetEnvCall( { "useradd",
-                              "-m",
-                              "-U",
-                              "-c",
-                              m_fullName,
-                              m_userName } );
-    if ( ec )
-        return Calamares::JobResult::error( tr( "Cannot create user %1." )
-                                                .arg( m_userName ),
-                                            tr( "useradd terminated with error code %1." )
-                                                .arg( ec ) );
+    QStringList useradd{ "useradd", "-m", "-U" };
+    QString shell = gs->value( "userShell" ).toString();
+    if ( !shell.isEmpty() )
+        useradd << "-s" << shell;
+    useradd << "-c" << m_fullName;
+    useradd << m_userName;
 
-    ec = CalamaresUtils::System::instance()->
+    auto pres = CalamaresUtils::System::instance()->targetEnvCommand( useradd );
+    if ( pres.getExitCode() )
+    {
+        cError() << "useradd failed" << pres.getExitCode();
+        return pres.explainProcess( useradd, 10 /* bogus timeout */ );
+    }
+
+    int ec = CalamaresUtils::System::instance()->
              targetEnvCall( { "usermod",
                               "-aG",
                               defaultGroups,

src/modules/users/UsersPage.h

@@ -52,6 +52,12 @@ public:
     void setAutologinDefault( bool checked );
     void setReusePasswordDefault( bool checked );
 
+    /** @brief Process entries in the passwordRequirements config entry
+     *
+     * Called once for each item in the config entry, which should
+     * be a key-value pair. What makes sense as a value depends on
+     * the key. Supported keys are documented in users.conf.
+     */
     void addPasswordCheck( const QString& key, const QVariant& value );
 
 protected slots:

src/modules/users/UsersViewStep.cpp

@@ -22,9 +22,11 @@
 
 #include "UsersPage.h"
 
+#include "utils/CalamaresUtils.h"
 #include "utils/Logger.h"
-#include "JobQueue.h"
+
 #include "GlobalStorage.h"
+#include "JobQueue.h"
 
 CALAMARES_PLUGIN_FACTORY_DEFINITION( UsersViewStepFactory, registerPlugin<UsersViewStep>(); )
 
@@ -181,5 +183,12 @@ UsersViewStep::setConfigurationMap( const QVariantMap& configurationMap )
             m_widget->addPasswordCheck( i.key(), i.value() );
         }
     }
+
+    QString shell( QLatin1Literal( "/bin/bash" ) );  // as if it's not set at all
+    if ( configurationMap.contains( "userShell" ) )
+        shell = CalamaresUtils::getString( configurationMap, "userShell" );
+        // Now it might be explicitly set to empty, which is ok
+
+    Calamares::JobQueue::instance()->globalStorage()->insert( "userShell", shell );
 }
 

src/modules/users/users.conf

@@ -72,5 +72,14 @@ passwordRequirements:
     minLength: -1  # Password at least this many characters
     maxLength: -1  # Password at most this many characters
     libpwquality:
-        - minlen=8
-        - minclass=2
+        - minlen=0
+        - minclass=0
+
+# Shell to be used for the regular user of the target system.
+# There are three possible kinds of settings:
+#  - unset (i.e. commented out, the default), act as if set to /bin/bash
+#  - empty (explicit), don't pass shell information to useradd at all
+#    and rely on a correct configuration file in /etc/default/useradd
+#  - set, non-empty, use that path as shell. No validation is done
+#    that the shell actually exists or is executable.
+# userShell: /bin/bash