Class: Yast::NisClass

Inherits:
Module
  • Object
show all
Defined in:
../../src/modules/Nis.rb

Instance Method Summary (collapse)

Instance Method Details

- (Hash) AutoPackages

Return needed packages and packages to be removed during autoinstallation.

Returns:

  • (Hash)

    of lists.



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# File '../../src/modules/Nis.rb', line 1314

def AutoPackages
  install_pkgs = deep_copy(@required_packages)
  remove_pkgs = []
  { "install" => install_pkgs, "remove" => remove_pkgs }
end

- (b) BrItem(title, value)

Makes an item for the short summary. I guess the users module wants to avoid paragraph breaks.

Parameters:

  • title (String)
  • value (String)

Returns:



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# File '../../src/modules/Nis.rb', line 874

def BrItem(title, value)
  Builtins.sformat("<b>%1</b>: %2<br>", title, value)
end

- (Object) check_address_nis(a)

Check syntax of a network address (ip4 or name), names only if nsswitch.conf does not have hosts: nis

Parameters:

  • a (String)

    an address

Returns:

  • true if correct



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# File '../../src/modules/Nis.rb', line 616

def check_address_nis(a)
  Builtins.y2debug("hosts_by_nis %1", @hosts_by_nis)
  if @hosts_by_nis
    return IP.Check4(a)
  else
    return Address.Check(a)
  end
end

- (Object) check_nisdomainname(domain)

Check syntax of a NIS domain name

Parameters:

  • domain (String)

    a domain name

Returns:

  • true if correct



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# File '../../src/modules/Nis.rb', line 570

def check_nisdomainname(domain)
  # TODO
  # disallow whitespace and special characters...
  domain != "" && domain != "(none)" &&
    Ops.less_or_equal(Builtins.size(domain), 64)
end

- (Object) DomainChanged

If the domain has changed from a nonempty one, it may only be changed at boot time. Use this to warn the user.

Returns:

  • whether changed by SetDomain



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# File '../../src/modules/Nis.rb', line 546

def DomainChanged
  @domain_changed
end

- (Object) Export

TODO update the map keys better still: link to a current interface description Dump the NIS settings to a map, for autoinstallation use.



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# File '../../src/modules/Nis.rb', line 747

def Export
  other_domains = Builtins.maplist(@multidomain_servers) do |d, s|
    {
      "nis_domain"    => d,
      "nis_servers"   => s,
      "nis_broadcast" => Ops.get(@multidomain_broadcast, d, false)
    }
  end

  if @global_broadcast
    Builtins.y2error("Attempt to export Nis::global_broadcast")
  end

  {
    "start_nis"         => @start,
    "nis_servers"       => @servers,
    "nis_domain"        => @domain,
    "nis_broadcast"     => @default_broadcast,
    "nis_other_domains" => other_domains,
    "nis_local_only"    => @local_only,
    "nis_broken_server" => @broken_server,
    "nis_options"       => @options,
    "start_autofs"      => @_start_autofs,
    "slp_domain"        => @slp_domain,
    "netconfig_policy"  => @policy
  }
end

- (Object) Fake

Make up data for screnshots. To be used instead of #Read .



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# File '../../src/modules/Nis.rb', line 950

def Fake
  Builtins.y2milestone("Faking data for screenshots")
  @start = true
  @servers = ["10.42.0.1"]
  @default_broadcast = false
  @multidomain_servers = {
    "printer.example.com" => [],
    "test.example.com"    => ["10.42.1.1", "10.42.1.2"]
  }
  @multidomain_broadcast = {
    "printer.example.com" => true,
    "test.example.com"    => false
  }
  @domain = "example.com"
  @old_domain = @domain
  @local_only = false
  @global_broadcast = false
  @broken_server = false
  @options = ""
  @_autofs_allowed = true
  @_start_autofs = true
  @hosts_by_nis = false

  nil
end

- (Object) GetDomain

Returns Get the NIS domain.

Returns:

  • Get the NIS domain.



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# File '../../src/modules/Nis.rb', line 551

def GetDomain
  @domain
end

- (Boolean) GetModified

Functions which returns if the settings were modified

Returns:

  • (Boolean)

    settings were modified



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# File '../../src/modules/Nis.rb', line 181

def GetModified
  @modified
end

- (Object) getNetconfigValues

Read Netconfig configuration



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# File '../../src/modules/Nis.rb', line 201

def getNetconfigValues
  Builtins.y2milestone("getNetconfigValues called")

  # reset the values
  @multidomain_servers = {}
  @multidomain_broadcast = {}
  @slp_domain = {}
  @servers = []

  @policy = Convert.to_string(
    SCR.Read(path(".sysconfig.network.config.NETCONFIG_NIS_POLICY"))
  )
  Builtins.y2milestone("policy : %1", @policy)
  @policy = "" if @policy == nil

  staticVals = {}
  keylist = SCR.Dir(path(".sysconfig.network.config"))

  Builtins.y2milestone("KEYLIST: %1", keylist)

  keylist = [] if keylist == nil

  Builtins.foreach(keylist) do |key|
    if !Builtins.issubstring(key, "NETCONFIG_NIS_STATIC_DOMAIN") &&
        !Builtins.issubstring(key, "NETCONFIG_NIS_STATIC_SERVERS")
      next
    end
    value = Convert.to_string(
      SCR.Read(Builtins.add(path(".sysconfig.network.config"), key))
    )
    Builtins.y2milestone("Found %1 = %2", key, value)
    num = ""
    if key == "NETCONFIG_NIS_STATIC_DOMAIN"
      Ops.set(
        staticVals,
        "0",
        Builtins.add(Ops.get(staticVals, "0", {}), "DOMAIN", value)
      )
    elsif key == "NETCONFIG_NIS_STATIC_SERVERS"
      Ops.set(
        staticVals,
        "0",
        Builtins.add(Ops.get(staticVals, "0", {}), "SERVERS", value)
      )
    else
      @static_keylist = Builtins.add(@static_keylist, key)
      num = Builtins.regexpsub(
        key,
        "^NETCONFIG_NIS_STATIC_(DOMAIN|SERVERS)_(.*)",
        "\\2"
      )
      Builtins.y2milestone("try to get the number: %1", num)
      if Builtins.issubstring(key, "NETCONFIG_NIS_STATIC_DOMAIN")
        Ops.set(
          staticVals,
          num,
          Builtins.add(Ops.get(staticVals, num, {}), "DOMAIN", value)
        )
      elsif Builtins.issubstring(key, "NETCONFIG_NIS_STATIC_SERVERS")
        Ops.set(
          staticVals,
          num,
          Builtins.add(Ops.get(staticVals, num, {}), "SERVERS", value)
        )
      end
    end
  end

  Builtins.y2milestone("STATIC VALS: %1", staticVals)

  Builtins.foreach(staticVals) do |key, value|
    if Ops.get(value, "DOMAIN") == ""
      if Ops.get(value, "SERVERS", "") != ""
        sr = Ops.add(
          Ops.add(GetServers(), " "),
          Ops.get(value, "SERVERS", "")
        )
        SetServers(sr)
      end
    elsif Ops.get(value, "DOMAIN") == "broadcast"
      @global_broadcast = true
    elsif Ops.get(value, "DOMAIN", "") != ""
      if Ops.get(value, "SERVERS") == "broadcast"
        @default_broadcast = true if key == "0"
        Ops.set(@multidomain_broadcast, Ops.get(value, "DOMAIN", ""), true)
      elsif Ops.get(value, "SERVERS") == "slp"
        Ops.set(@slp_domain, Ops.get(value, "DOMAIN", ""), true)
      elsif Ops.get(value, "SERVERS", "") != ""
        Ops.set(
          @multidomain_servers,
          Ops.get(value, "DOMAIN", ""),
          Builtins.splitstring(Ops.get(value, "SERVERS", ""), " ")
        )
      end
    end
  end

  Builtins.foreach(@multidomain_servers) do |domain, value|
    if !Builtins.haskey(@multidomain_broadcast, domain)
      Ops.set(@multidomain_broadcast, domain, false)
    end
  end

  Builtins.foreach(@multidomain_broadcast) do |domain, value|
    if !Builtins.haskey(@multidomain_servers, domain)
      Ops.set(@multidomain_servers, domain, [])
    end
  end

  Builtins.foreach(
    Convert.convert(@slp_domain, :from => "map", :to => "map <string, any>")
  ) do |domain, value|
    if !Builtins.haskey(@multidomain_servers, domain)
      Ops.set(@multidomain_servers, domain, [])
    end
  end

  Builtins.y2milestone("Servers: %1", @servers)
  Builtins.y2milestone("multidomain_servers: %1", @multidomain_servers)
  Builtins.y2milestone("multidomain_broadcast: %1", @multidomain_broadcast)
  Builtins.y2milestone("slp_domain: %1", @slp_domain)
  Builtins.y2milestone("default_broadcast: %1", @default_broadcast)

  nil
end

- (Object) GetServers

Returns Access the servers as a string

Returns:

  • Access the servers as a string



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# File '../../src/modules/Nis.rb', line 186

def GetServers
  Builtins.mergestring(@servers, " ")
end

- (Object) HasPlus(file)

Returns is there a nis inclusion?

Parameters:

  • file (String)

    a pathname

Returns:

  • is there a nis inclusion?



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# File '../../src/modules/Nis.rb', line 978

def HasPlus(file)
  # does the file have a plus?
  Builtins.y2milestone("file %1 has pluses", file)
  0 ==
    SCR.Execute(
      path(".target.bash"),
      Ops.add("/usr/bin/grep -q '^[+-]' ", file)
    )
end

- (Object) HavePlus

Do we need compat? Is there a plus in any of the user databases?

Returns:

  • true/false



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# File '../../src/modules/Nis.rb', line 1027

def HavePlus
  files = ["/etc/passwd", "/etc/shadow", "/etc/group"]
  # find a file having a plus
  nil != Builtins.find(files) { |file| HasPlus(file) }
end

- (Object) Import(settings)

TODO update the map keys better still: link to a current interface description Get all the NIS configuration from a map. When called by nis_auto (preparing autoinstallation data) the map may be empty.

Parameters:

  • settings (Hash)

    $[“start”: “domain”: “servers”: ]

Returns:

  • success



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# File '../../src/modules/Nis.rb', line 713

def Import(settings)
  settings = deep_copy(settings)
  if Builtins.size(settings) == 0
    #Provide defaults for autoinstallation editing:
    #Leave empty.
    @old_domain = @domain
    # enable _autofs_allowed
    # Injecting it into the defaults for the GUI
    # but leaving the check in Set makes it possible
    # to delete the element manually from the xml profile
    # and leave autofs untouched
    Ops.set(settings, "start_autofs", false)
    Set(settings)
    return true
  end

  missing = false
  # "nis_domain" can be omitted if nis_by_dhcp is true
  Builtins.foreach(["start_nis"]) do |k|
    if !Builtins.haskey(settings, k)
      Builtins.y2error("Missing at Import: '%1'.", k)
      missing = true
    end
  end
  return false if missing

  Set(settings)
  true
end

- (Object) ListItem(title, value)

copied from Mail.ycp replace with a custom list Summarizes a list of data

Parameters:

  • title (String)

    passed to Summary::AddHeader

  • value (Object)

    a list (of scalars, lists or maps)

Returns:

  • Summary-formatted description



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# File '../../src/modules/Nis.rb', line 781

def ListItem(title, value)
  value = deep_copy(value)
  summary = ""
  summary = Summary.AddHeader(summary, title)
  #enhancement BEGIN
  value = Builtins.maplist(Convert.to_map(value)) { |k, v| k } if Ops.is_map?(
    value
  )
  #enhancement END
  if Ops.is_list?(value) &&
      Ops.greater_than(Builtins.size(Convert.to_list(value)), 0)
    summary = Summary.OpenList(summary)
    Builtins.foreach(Convert.to_list(value)) do |d|
      entry = ""
      if Ops.is_map?(d) || Ops.is_list?(d)
        entry = Builtins.sformat(
          "%1 Entries configured",
          Ops.is_map?(d) ?
            Builtins.size(Convert.to_map(value)) :
            Builtins.size(Convert.to_list(value))
        )
      else
        entry = Convert.to_string(d)
      end
      summary = Summary.AddListItem(summary, entry)
    end
    summary = Summary.CloseList(summary)
  else
    summary = Summary.AddLine(summary, Summary.NotConfigured)
  end
  summary
end

- (Object) main



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# File '../../src/modules/Nis.rb', line 42

def main
  textdomain "nis"

  Yast.import "Address"
  Yast.import "Autologin"
  Yast.import "IP"
  Yast.import "Message"
  Yast.import "Nsswitch"
  Yast.import "Pam"
  Yast.import "Package"
  Yast.import "Progress"
  Yast.import "Report"
  Yast.import "Service"
  Yast.import "Summary"
  Yast.import "SuSEFirewall"
  Yast.import "Wizard"

  # default value of settings modified
  @modified = false
  # Required packages for this module to operate
  #
  @required_packages = ["ypbind"]

  # Should ypbind be started at boot?
  # If not, other settings are not touched.
  @start = false

  # IP addresses of NIS servers.
  @servers = []

  # Broadcast for the default domain?
  # (New in ypbind-1.12)
  @default_broadcast = false

  # Servers for a multiple-domain configuration.
  # Keys are domains, values are lists of servers (strings).
  # The domains must be the same as for multidomain_broadcast
  # @see #multidomain_broadcast
  @multidomain_servers = {}

  # Servers for a multiple-domain configuration.
  # Whether a broadcast will be done if the servers don't respond.
  # Keys are domains, values are booleans.
  # The domains must be the same as for multidomain_servers
  # @see #multidomain_servers
  # @see #global_broadcast
  @multidomain_broadcast = {}

  # If this option is set, ypbind will ignore /etc/yp.conf and use
  # a broadcast call to find a NIS server in the local subnet. You
  # should avoid to use this, it is a big security risk.
  # @see #multidomain_broadcast
  # @see #default_broadcast
  @global_broadcast = false

  @slp_domain = {}

  # netconfig policy
  @policy = "auto"

  # which service mapper is used (rpcbind/portmap)
  @rpc_mapper = "rpcbind"

  @domain = ""
  @old_domain = nil
  @domain_changed = false

  @static_keylist = []

  # DHCP cooperation

  # #35654: if the server is running and sysconfig wants NIS data,
  # it's ok to FitIntoSingle
  @dhcpcd_running = false

  # If dhcp_wanted changes, we need to restart the DHCP client
  @dhcp_restart = false

  # The following four are from sysconfig/ypbind; the comments are
  # taken from there. The dialog help texts have "user friendlier"
  # descriptions.

  # If this option is set, ypbind will only bind to the loopback
  # interface and remote hosts cannot query it.
  @local_only = false


  # You should set this to "yes" if you have a NIS server in your
  # network, which binds only to high ports over 1024. Since this
  # is a security risk, you should consider to replace the NIS
  # server with another implementation.
  @broken_server = false

  # Extra options for ypbind. Here you can add options like
  # "-ypset", "-ypsetme", "-p port" or "-no-ping".
  @options = ""

  # If no, automounter will not be affected.
  @_autofs_allowed = true

  # Start automounter and import the settings from NIS. (Bug 6092)
  @_start_autofs = false

  # Output of "rcypbind start", if there was an error.
  # Read only.
  # This is currently used only in nis-server for its more advanced
  # error reporting. (Bug 14706)
  @YpbindErrors = ""

  # If the hostname resolution is done over NIS,
  # names cannot be used to specify servers.
  @hosts_by_nis = false

  # Using NIS and LDAP simultaneously is not supported (#36981).
  @users_by_ldap = false

  # ----------------------------------------------------------------

  # Has the configuration been changed?
  # Can be used as an argument to Popup::ReallyAbort
  @touched = false

  # ----------------------------------------------------------------

  # Read only, set by ProbePackages.
  # Use as an argument to DoInstallAndRemove
  @install_packages = []
end

- (Object) ProbePackages

Detect which packages have to be installed and return a descriptive string for a plain text pop-up.

Returns:

  • “” or “Foo will be installed.nBar will be installed.n”



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# File '../../src/modules/Nis.rb', line 637

def ProbePackages
  message = ""
  @install_packages = []

  if @_autofs_allowed && @_start_autofs
    if !Package.Installed("autofs")
      @install_packages = Builtins.add(@install_packages, "autofs")
      # Translators: popup message part, ends with a newline
      message = Ops.add(
        message,
        _("The automounter package will be installed.\n")
      )
    end
    if !Package.Installed("nfs-client")
      @install_packages = Builtins.add(@install_packages, "nfs-client")
    end
  end

  message
end

- (Object) Read

Reads NIS settings from the SCR

Returns:

  • success



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# File '../../src/modules/Nis.rb', line 900

def Read
  @start = Service.Enabled("ypbind")

  getNetconfigValues

  @servers = [] if @servers == nil
  @default_broadcast = false if @default_broadcast == nil
  @multidomain_servers = {} if @multidomain_servers == nil
  @multidomain_broadcast = {} if @multidomain_broadcast == nil
  @slp_domain = {} if @slp_domain == nil

  out = Convert.to_map(
    SCR.Execute(path(".target.bash_output"), "/bin/ypdomainname")
  )
  @domain = Builtins.deletechars(Ops.get_string(out, "stdout", ""), "\n")
  @old_domain = @domain

  @dhcpcd_running = SCR.Execute(
    path(".target.bash"),
    "ls /var/run/dhcpcd-*.pid"
  ) == 0

  @local_only = SCR.Read(path(".sysconfig.ypbind.YPBIND_LOCAL_ONLY")) == "yes"
  @global_broadcast = SCR.Read(path(".sysconfig.ypbind.YPBIND_BROADCAST")) == "yes"
  @broken_server = SCR.Read(path(".sysconfig.ypbind.YPBIND_BROKEN_SERVER")) == "yes"
  @options = Convert.to_string(
    SCR.Read(path(".sysconfig.ypbind.YPBIND_OPTIONS"))
  )

  # install on demand
  @_start_autofs = @_autofs_allowed && Service.Enabled("autofs")

  @hosts_by_nis = Builtins.contains(Nsswitch.ReadDb("hosts"), "nis")

  nss_passwd = Nsswitch.ReadDb("passwd")
  @users_by_ldap = Builtins.contains(nss_passwd, "ldap") ||
    Builtins.contains(nss_passwd, "compat") &&
      Builtins.contains(Nsswitch.ReadDb("passwd_compat"), "ldap")

  Autologin.Read

  progress_orig = Progress.set(false)
  SuSEFirewall.Read
  Progress.set(progress_orig)

  true
end

- (void) Set(settings)

This method returns an undefined value.

Set module data



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# File '../../src/modules/Nis.rb', line 662

def Set(settings)
  settings = deep_copy(settings)
  @start = Ops.get_boolean(settings, "start_nis", false)

  @servers = Ops.get_list(settings, "nis_servers", [])
  @default_broadcast = Ops.get_boolean(settings, "nis_broadcast", false)
  @domain = Ops.get_string(settings, "nis_domain", "")
  @old_domain = @domain

  # we don't know what the state will be before Write, so restart it
  @dhcp_restart = true

  other_domains = Ops.get_list(settings, "nis_other_domains", [])
  Builtins.foreach(other_domains) do |other_domain|
    domain = Ops.get_string(other_domain, "nis_domain", "")
    servers = Ops.get_list(other_domain, "nis_servers", [])
    b = Ops.get_boolean(other_domain, "nis_broadcast", false)
    Ops.set(@multidomain_servers, domain, servers)
    Ops.set(@multidomain_broadcast, domain, b)
  end

  @local_only = Ops.get_boolean(settings, "nis_local_only", false)
  @broken_server = Ops.get_boolean(settings, "nis_broken_server", false)
  @options = Ops.get_string(settings, "nis_options", "")

  # autofs is not touched in Write if the map does not want it
  @_autofs_allowed = Builtins.haskey(settings, "start_autofs")
  @_start_autofs = Ops.get_boolean(settings, "start_autofs", false)
  if @_start_autofs
    @required_packages = Convert.convert(
      Builtins.union(@required_packages, ["autofs", "nfs-client"]),
      :from => "list",
      :to   => "list <string>"
    )
  end

  @policy = Ops.get_string(settings, "netconfig_policy", @policy)
  @slp_domain = Ops.get_map(settings, "slp_domain", @slp_domain)

  @touched = true

  nil
end

- (Object) SetDomain(new_domain)

Set the NIS domain.

Parameters:

  • new_domain (String)

    a new domain



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# File '../../src/modules/Nis.rb', line 557

def SetDomain(new_domain)
  @domain = new_domain
  @domain_changed = true if @domain != @old_domain && @old_domain != ""

  nil
end

- (Object) SetModified

Function sets internal variable, which indicates, that any settings were modified, to "true"



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# File '../../src/modules/Nis.rb', line 173

def SetModified
  @modified = true

  nil
end

- (Object) setNetconfigValues

Write the netconfig configuration



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# File '../../src/modules/Nis.rb', line 328

def setNetconfigValues
  SCR.Write(path(".sysconfig.network.config.NETCONFIG_NIS_POLICY"), @policy)

  Builtins.foreach(@multidomain_servers) do |domain, value|
    if !Builtins.haskey(@multidomain_broadcast, domain)
      Ops.set(@multidomain_broadcast, domain, false)
    end
  end

  Builtins.foreach(@multidomain_broadcast) do |domain, value|
    if !Builtins.haskey(@multidomain_servers, domain)
      Ops.set(@multidomain_servers, domain, [])
    end
  end

  Builtins.foreach(
    Convert.convert(@slp_domain, :from => "map", :to => "map <string, any>")
  ) do |domain, value|
    if !Builtins.haskey(@multidomain_servers, domain)
      Ops.set(@multidomain_servers, domain, [])
    end
  end

  Builtins.foreach(@static_keylist) do |key|
    Builtins.y2milestone("Remove : %1", key)
    SCR.Write(Builtins.add(path(".sysconfig.network.config"), key), nil)
  end

  # remove the content of this
  SCR.Write(
    path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_DOMAIN"),
    ""
  )
  SCR.Write(
    path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_SERVERS"),
    ""
  )


  Builtins.y2milestone("Servers: %1", @servers)
  Builtins.y2milestone("multidomain_servers: %1", @multidomain_servers)
  Builtins.y2milestone("multidomain_broadcast: %1", @multidomain_broadcast)
  Builtins.y2milestone("slp_domain: %1", @slp_domain)
  Builtins.y2milestone("default_broadcast: %1", @default_broadcast)

  cnt = 0
  if Ops.greater_than(Builtins.size(@servers), 0)
    SCR.Write(
      path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_DOMAIN"),
      ""
    )
    SCR.Write(
      path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_SERVERS"),
      Builtins.mergestring(@servers, " ")
    )
    cnt = Ops.add(cnt, 1)
  end

  Builtins.foreach(
    Convert.convert(
      @multidomain_servers,
      :from => "map <string, list>",
      :to   => "map <string, list <string>>"
    )
  ) do |dom, srvs|
    next if dom == ""
    if Ops.greater_than(Builtins.size(srvs), 0)
      if cnt == 0
        SCR.Write(
          path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_DOMAIN"),
          dom
        )
        SCR.Write(
          path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_SERVERS"),
          Builtins.mergestring(srvs, " ")
        )
      else
        SCR.Write(
          Builtins.add(
            path(".sysconfig.network.config"),
            Ops.add("NETCONFIG_NIS_STATIC_DOMAIN_", cnt)
          ),
          dom
        )
        SCR.Write(
          Builtins.add(
            path(".sysconfig.network.config"),
            Ops.add("NETCONFIG_NIS_STATIC_SERVERS_", cnt)
          ),
          Builtins.mergestring(srvs, " ")
        )
      end
      cnt = Ops.add(cnt, 1)
    end
    if Ops.get(@multidomain_broadcast, dom, false) == true
      if cnt == 0
        SCR.Write(
          path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_DOMAIN"),
          dom
        )
        SCR.Write(
          path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_SERVERS"),
          "broadcast"
        )
      else
        SCR.Write(
          Builtins.add(
            path(".sysconfig.network.config"),
            Ops.add("NETCONFIG_NIS_STATIC_DOMAIN_", cnt)
          ),
          dom
        )
        SCR.Write(
          Builtins.add(
            path(".sysconfig.network.config"),
            Ops.add("NETCONFIG_NIS_STATIC_SERVERS_", cnt)
          ),
          "broadcast"
        )
      end
      cnt = Ops.add(cnt, 1)
    end
    if Ops.get_boolean(@slp_domain, dom, false) == true
      if cnt == 0
        SCR.Write(
          path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_DOMAIN"),
          dom
        )
        SCR.Write(
          path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_SERVERS"),
          "slp"
        )
      else
        SCR.Write(
          Builtins.add(
            path(".sysconfig.network.config"),
            Ops.add("NETCONFIG_NIS_STATIC_DOMAIN_", cnt)
          ),
          dom
        )
        SCR.Write(
          Builtins.add(
            path(".sysconfig.network.config"),
            Ops.add("NETCONFIG_NIS_STATIC_SERVERS_", cnt)
          ),
          "slp"
        )
      end
      cnt = Ops.add(cnt, 1)
    end
  end

  if @default_broadcast == true
    if cnt == 0
      SCR.Write(
        path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_DOMAIN"),
        @domain
      )
      SCR.Write(
        path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_SERVERS"),
        "broadcast"
      )
    else
      SCR.Write(
        Builtins.add(
          path(".sysconfig.network.config"),
          Ops.add("NETCONFIG_NIS_STATIC_DOMAIN_", cnt)
        ),
        @domain
      )
      SCR.Write(
        Builtins.add(
          path(".sysconfig.network.config"),
          Ops.add("NETCONFIG_NIS_STATIC_SERVERS_", cnt)
        ),
        "broadcast"
      )
    end
    cnt = Ops.add(cnt, 1)
  elsif @global_broadcast == true
    if cnt == 0
      SCR.Write(
        path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_DOMAIN"),
        "broadcast"
      )
      SCR.Write(
        path(".sysconfig.network.config.NETCONFIG_NIS_STATIC_SERVERS"),
        ""
      )
    else
      SCR.Write(
        Builtins.add(
          path(".sysconfig.network.config"),
          Ops.add("NETCONFIG_NIS_STATIC_DOMAIN_", cnt)
        ),
        "broadcast"
      )
      SCR.Write(
        Builtins.add(
          path(".sysconfig.network.config"),
          Ops.add("NETCONFIG_NIS_STATIC_SERVERS_", cnt)
        ),
        ""
      )
    end
    cnt = Ops.add(cnt, 1)
  end

  if !SCR.Write(path(".sysconfig.network.config"), nil)
    Report.Error(Message.ErrorWritingFile("/etc/sysconfig/network/config"))
    return false
  end
  true
end

- (Object) SetServers(servers_s)

Set the servers from a string

Parameters:

  • servers_s (String)

    a whitespace separated list



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# File '../../src/modules/Nis.rb', line 192

def SetServers(servers_s)
  @servers = Builtins.filter(Builtins.splitstring(servers_s, " \t")) do |s|
    s != ""
  end

  nil
end

- (Object) ShortSummary

Create a short textual summary with configuration abstract It is called by "authentication/user sources" dialog in yast2-users

Returns:

  • summary of the current configuration



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# File '../../src/modules/Nis.rb', line 881

def ShortSummary
  summary = ""
  nc = Summary.NotConfigured
  summary = Ops.add(
    Ops.add(
      # summary item
      BrItem(_("Servers"), @servers != [] ? GetServers() : nc),
      # summary item
      BrItem(_("Domain"), @domain != "" ? @domain : nc)
    ),
    # summary item (yes/no follows)
    BrItem(_("Client Enabled"), @start ? _("Yes") : _("No"))
  )

  summary
end

- (Object) Summary

Returns Html formatted configuration summary

Returns:

  • Html formatted configuration summary



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# File '../../src/modules/Nis.rb', line 815

def Summary
  # TODO multidomain_servers, multidomain_broadcast
  # OK, a dumb mapping is possible, but wouldn't it be
  # too complicated to write by hand?
  summary = ""
  nc = Summary.NotConfigured

  # summary: Domain or servers are retrieved by the
  # Dynamic Host Configuration Protocol.
  # Will be placed after NIS Domain/NIS Servers instead of the
  # actual settings.
  dhcp = _("by DHCP")

  # summary header
  summary = Summary.AddHeader(summary, _("NIS Client enabled"))
  # summary item: an option is turned on
  summary = Summary.AddLine(summary, @start ? _("Yes") : nc)
  # summary header
  summary = Summary.AddHeader(summary, _("NIS Domain"))
  summary = Summary.AddLine(summary, @domain != "" ? @domain : nc)
  # summary header
  summary = Summary.AddHeader(summary, _("NIS Servers"))
  summary = Summary.AddLine(
    summary,
    @servers != [] ? Builtins.mergestring(@servers, "<br>") : nc
  )
  # summary header
  summary = Summary.AddHeader(summary, _("Broadcast"))
  # summary item: an option is turned on
  summary = Summary.AddLine(summary, @default_broadcast ? _("Yes") : nc)
  # TODO: a full list
  summary = Ops.add(
    summary,
    ListItem(_("Other domains"), @multidomain_servers)
  )
  # summary header
  summary = Summary.AddHeader(summary, _("Answer to local host only"))
  # summary item: an option is turned on
  summary = Summary.AddLine(summary, @local_only ? _("Yes") : nc)
  # summary header
  summary = Summary.AddHeader(summary, _("Broken server"))
  # summary item: an option is turned on
  summary = Summary.AddLine(summary, @broken_server ? _("Yes") : nc)
  # summary header
  summary = Summary.AddHeader(summary, _("ypbind options"))
  summary = Summary.AddLine(summary, @options != "" ? @options : nc)
  # summary header
  summary = Summary.AddHeader(summary, _("Automounter enabled"))
  # summary item: an option is turned on
  summary = Summary.AddLine(summary, @_start_autofs ? _("Yes") : nc)

  summary
end

- (Object) Touch(really)

A convenient shortcut for setting touched.

Examples:

Nis::Touch (Nis::var != ui_var);

Parameters:

  • really (Boolean)

    if true, set Nis::touched



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# File '../../src/modules/Nis.rb', line 628

def Touch(really)
  @touched = @touched || really

  nil
end

- (Object) UsersByLdap

Used in the UI when NIS is turned on.



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# File '../../src/modules/Nis.rb', line 588

def UsersByLdap
  @users_by_ldap
end

- (Object) valid_address_nis

Describe a valid address - ip4 or name, names only if nsswitch.conf does not have hosts: nis

Returns:

  • a description



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# File '../../src/modules/Nis.rb', line 595

def valid_address_nis
  Builtins.y2debug("hosts_by_nis %1", @hosts_by_nis)
  if @hosts_by_nis
    # message popup
    return Ops.add(
      _(
        "Only an IP address can be used\n" +
          "because host names are resolved using NIS.\n" +
          "\n"
      ),
      IP.Valid4
    )
  else
    return Address.Valid4
  end
end

- (Object) valid_nisdomainname

Returns describe a valid NIS domain name

Returns:

  • describe a valid NIS domain name



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# File '../../src/modules/Nis.rb', line 578

def valid_nisdomainname
  # Translators: do not translate (none)!
  _(
    "A NIS domain name must not be empty,\n" +
      "it must not be \"(none)\",\n" +
      "and it must be at most 64 characters long.\n"
  )
end

- (Object) Write

Saves NIS configuration.

Returns:

  • true on success



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# File '../../src/modules/Nis.rb', line 1203

def Write
  return false if !WriteOnly()

  # dialog label
  Progress.New(
    _("Writing NIS Configuration..."),
    " ",
    2,
    [
      # progress stage label
      _("Stop services"),
      # progress stage label
      _("Start services")
    ],
    [
      # progress step label
      _("Stopping services..."),
      # progress step label
      _("Starting services..."),
      # final progress step label
      _("Finished")
    ],
    ""
  )

  # help text
  Wizard.RestoreHelp(_("Writing NIS client settings"))

  Progress.NextStage

  if @dhcp_restart
    # Restart the dhcp client, if it is running, to parse the changed
    # options
    Service.RunInitScript("network", "restart-all-dhcp-clients")
  end

  Service.Stop("ypbind")

  Progress.NextStage

  if @start
    if Service.Status(@rpc_mapper) != 0
      if Service.Start(@rpc_mapper) == false
        Message.CannotStartService(@rpc_mapper)
        return false
      end
    end
    Builtins.sleep(1000) # workaround for bug #10428, ypbind restart

    # FIXME might be wrong with systemd!
    out = Convert.to_map(
      SCR.Execute(
        path(".target.bash_output"),
        "/etc/init.d/ypbind start",
        { "TERM" => "raw" }
      )
    )
    if Ops.get_integer(out, "exit", 1) == 0
      @YpbindErrors = ""
    else
      @YpbindErrors = Ops.get_string(out, "stdout", "internal error")
      # error popup message
      Report.Error(_("Error while running ypclient."))
      return false
    end

    # only test for a server if domain not changed
    if !@domain_changed
      if SCR.Execute(path(".target.bash"), "/usr/bin/ypwhich >/dev/null") != 0
        # error popup message
        Report.Error(_("NIS server not found."))
        return false
      end
    end
  end

  # remove nscd cache
  if Package.Installed("nscd") && @modified
    SCR.Execute(path(".target.bash"), "/usr/sbin/nscd -i passwd")
    SCR.Execute(path(".target.bash"), "/usr/sbin/nscd -i group")
  end

  if @_autofs_allowed && @touched
    Service.Stop("autofs")

    Service.Start("autofs") if @_start_autofs
  end

  # adapt PAM if needed (bnc#848963)
  if @touched && Pam.Enabled("unix")
    if @start
      Pam.Add("unix-nis")
    else
      Pam.Remove("unix-nis")
    end 
  end

  SuSEFirewall.ActivateConfiguration

  # final stage
  Progress.NextStage

  true
end

- (Object) WriteNssConf

Configures the name service switch for the user databases according to chosen settings

Returns:

  • success?



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# File '../../src/modules/Nis.rb', line 1058

def WriteNssConf
  dbs = ["passwd", "group", "shadow"]
  nis_dbs = ["services", "netgroup", "aliases"]
  # Why bother with both compat and nis?
  # If there's no plus, we don't have to write passwd etc.
  # And it's supposed to be faster.
  # But then programs have to reread nsswitch :( #23203
  # so we stick with compat.
  if @start
    # we want to switch to "compat"
    Builtins.foreach(dbs) do |db|
      # what if a db is not mentioned?
      # We get [] meaning compat, so it's ok to make it explicit
      db_l = Nsswitch.ReadDb(db)
      if !Builtins.contains(db_l, "compat")
        # remove "files" and "nis", if there;
        db_l = Builtins.filter(db_l) { |s| s != "files" && s != "nis" }
        # put "compat" and the rest;
        db_l = Builtins.prepend(db_l, "compat")
        Nsswitch.WriteDb(db, db_l)
      end
      # *_compat may be set to nisplus, nuke it (#16168)
      db_c = Ops.add(db, "_compat")
      Nsswitch.WriteDb(db_c, [])
    end
    Builtins.y2milestone("Writing pluses")
    WritePluses()
    Builtins.foreach(nis_dbs) do |db|
      db_l = Nsswitch.ReadDb(db)
      if !Builtins.contains(db_l, "nis")
        if db == "netgroup"
          db_l = ["nis"]
        else
          db_l = ["files", "nis"]
        end
        Nsswitch.WriteDb(db, db_l)
      end
    end # not start
  else
    Builtins.y2milestone("not writing pluses")
    have_plus = HavePlus()

    Builtins.foreach(dbs) do |db|
      db_l = Nsswitch.ReadDb(db)
      # remove "nis" if there;
      db_l = Builtins.filter(db_l) { |s| s != "nis" }
      # if nothing left, put "files";
      # NOT. just remove it, meaning compat. #35299
      Nsswitch.WriteDb(db, db_l)
    end if !have_plus
    Builtins.foreach(nis_dbs) do |db|
      db_l = Nsswitch.ReadDb(db)
      db_l = Builtins.filter(db_l) { |s| s != "nis" }
      db_l = ["files"] if db_l == []
      Nsswitch.WriteDb(db, db_l)
    end
  end

  if !SCR.Write(path(".etc.nsswitch_conf"), nil)
    Report.Error(Message.ErrorWritingFile("/etc/nsswitch.conf"))
    return false
  end
  true
end

- (Object) WriteOnly

Only write new configuration w/o starting any scripts

Returns:

  • true on success



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# File '../../src/modules/Nis.rb', line 1125

def WriteOnly
  if @start
    if Package.Installed("rpcbind")
      @rpc_mapper = "rpcbind"
    else
      @rpc_mapper = "portmap"
    end

    Service.Enable(@rpc_mapper)
    Service.Enable("ypbind")

    if !SCR.Write(path(".etc.defaultdomain"), @domain)
      Report.Error(Message.ErrorWritingFile("/etc/defaultdomain"))
      return false
    end

    # so that dhcpcd cannot restore it
    SCR.Execute(path(".target.remove"), "/etc/yp.conf.sv")

    setNetconfigValues

    SCR.Execute(path(".target.bash"), "/sbin/netconfig update")

    SCR.Write(
      path(".sysconfig.ypbind.YPBIND_LOCAL_ONLY"),
      @local_only ? "yes" : "no"
    )
    SCR.Write(
      path(".sysconfig.ypbind.YPBIND_BROADCAST"),
      @global_broadcast ? "yes" : "no"
    )
    SCR.Write(
      path(".sysconfig.ypbind.YPBIND_BROKEN_SERVER"),
      @broken_server ? "yes" : "no"
    )
    SCR.Write(path(".sysconfig.ypbind.YPBIND_OPTIONS"), @options)
    if !SCR.Write(path(".sysconfig.ypbind"), nil)
      Report.Error(Message.ErrorWritingFile("/etc/sysconfig/ypbind"))
      return false
    end

    SCR.Write(
      path(".sysconfig.network.config.NETCONFIG_NIS_SETDOMAINNAME"),
      @policy == "" ? "no" : "yes"
    )

    if !SCR.Write(path(".sysconfig.network.dhcp"), nil)
      Report.Error(Message.ErrorWritingFile("/etc/sysconfig/network/dhcp"))
      return false
    end
    Autologin.Write(false)
  else
    Service.Disable("ypbind")
  end

  # TODO do as much as possible if one thing fails
  # especially WRT nis/autofs independence
  WriteNssConf()

  if @_autofs_allowed
    return false if !Nsswitch.WriteAutofs(@start && @_start_autofs, "nis")

    if @_start_autofs
      Service.Enable("autofs")
    else
      Service.Disable("autofs")
    end
  end

  progress_orig = Progress.set(false)
  SuSEFirewall.WriteOnly
  Progress.set(progress_orig)

  true
end

- (Object) WritePluses

Add “+” lines to system files so that NIS entries get merged in.

Returns:

  • success?



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# File '../../src/modules/Nis.rb', line 1035

def WritePluses
  files = ["passwd", "shadow", "group"]
  #don't forget a newline
  what_to_write = {
    "passwd" => "+::::::",
    "group"  => "+:::",
    "shadow" => "+"
  }
  Builtins.foreach(files) do |f|
    Builtins.y2milestone("Writing pluses to %1", f)
    if !WritePlusesTo(
        Builtins.sformat("/etc/%1", f),
        Ops.get_string(what_to_write, f, "")
      )
      next false
    end
  end
  true
end

- (Object) WritePlusesTo(file, what)

If a file does not contain a NIS entry, add it.

Parameters:

  • file (String)

    pathname

  • what (String)

    a “+” line without a 'n'

Returns:

  • success?



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# File '../../src/modules/Nis.rb', line 992

def WritePlusesTo(file, what)
  ok = true
  if !HasPlus(file)
    # backup the file:
    SCR.Execute(
      path(".target.bash"),
      Builtins.sformat("/bin/cp %1 %1.YaST2save", file)
    )
    if SCR.Execute(
        path(".target.bash"),
        Builtins.sformat("/bin/echo '%1' >> %2", what, file)
      ) != 0
      ok = false
    end
  # TODO only for passwd?
  # replace the 'nologin' occurence (#40571)
  elsif SCR.Execute(
      path(".target.bash"),
      Builtins.sformat("/bin/grep -q '^%1/sbin/nologin' %2", what, file)
    ) == 0
    ok = SCR.Execute(
      path(".target.bash"),
      Builtins.sformat(
        "/usr/bin/sed -i.YaST2save -e 's@%1/sbin/nologin@%1@' %2",
        what,
        file
      )
    ) == 0
  end
  Report.Error(Message.ErrorWritingFile(file)) if !ok
  ok
end