#!/bin/sh
# $1 = action ('configure' or 'reconfigure')
# $2 = current-installed-version
set -e

action="$1"
cur_version="$2"
this_version='20110502+nmu1ubuntu5'
pt_BR_fixed_version="20080616"

if test -f /etc/ca-certificates.conf; then
  CERTSCONF=/etc/ca-certificates.conf
else
  CERTSCONF=/dev/null
fi

# CERTS_DISABLED: certs that user dont trust
CERTS_DISABLED=$(sed -ne 's/^!\(.*\)/\1/p' $CERTSCONF)

# CERTS_TRUST: certs that user already trust
CERTS_TRUST=$(sed -e '/^#/d' -e '/^!/d' $CERTSCONF)


# CERTS_AVAILABLE: certs that user can choices
CERTS_AVAILABLE=""

# CERTS_ENABLED: certs that user already trusted
CERTS_ENABLED=""

# CERTS_LIST: certs that will be installed
CERTS_LIST="spi-inc.org/spi-ca-2003.crt, spi-inc.org/spi-cacert-2008.crt, debconf.org/ca.crt, mozilla/ACEDICOM_Root.crt, mozilla/AC_Raíz_Certicámara_S.A..crt, mozilla/AOL_Time_Warner_Root_Certification_Authority_1.crt, mozilla/AOL_Time_Warner_Root_Certification_Authority_2.crt, mozilla/AddTrust_External_Root.crt, mozilla/AddTrust_Low-Value_Services_Root.crt, mozilla/AddTrust_Public_Services_Root.crt, mozilla/AddTrust_Qualified_Certificates_Root.crt, mozilla/America_Online_Root_Certification_Authority_1.crt, mozilla/America_Online_Root_Certification_Authority_2.crt, mozilla/ApplicationCA_-_Japanese_Government.crt, mozilla/Autoridad_de_Certificacion_Firmaprofesional_CIF_A62634068.crt, mozilla/Baltimore_CyberTrust_Root.crt, mozilla/Buypass_Class_2_CA_1.crt, mozilla/Buypass_Class_3_CA_1.crt, mozilla/CA_Disig.crt, mozilla/CNNIC_ROOT.crt, mozilla/COMODO_Certification_Authority.crt, mozilla/COMODO_ECC_Certification_Authority.crt, mozilla/Camerfirma_Chambers_of_Commerce_Root.crt, mozilla/Camerfirma_Global_Chambersign_Root.crt, mozilla/Certigna.crt, mozilla/Certplus_Class_2_Primary_CA.crt, mozilla/Certum_Root_CA.crt, mozilla/Chambers_of_Commerce_Root_-_2008.crt, mozilla/ComSign_CA.crt, mozilla/ComSign_Secured_CA.crt, mozilla/Comodo_AAA_Services_root.crt, mozilla/Comodo_Secure_Services_root.crt, mozilla/Comodo_Trusted_Services_root.crt, mozilla/Cybertrust_Global_Root.crt, mozilla/DST_ACES_CA_X6.crt, mozilla/DST_Root_CA_X3.crt, mozilla/Deutsche_Telekom_Root_CA_2.crt, mozilla/DigiCert_Assured_ID_Root_CA.crt, mozilla/DigiCert_Global_Root_CA.crt, mozilla/DigiCert_High_Assurance_EV_Root_CA.crt, mozilla/Digital_Signature_Trust_Co._Global_CA_1.crt, mozilla/Digital_Signature_Trust_Co._Global_CA_3.crt, mozilla/E-Guven_Kok_Elektronik_Sertifika_Hizmet_Saglayicisi.crt, mozilla/EBG_Elektronik_Sertifika_Hizmet_Sağlayıcısı.crt, mozilla/Entrust.net_Premium_2048_Secure_Server_CA.crt, mozilla/Entrust.net_Secure_Server_CA.crt, mozilla/Entrust_Root_Certification_Authority.crt, mozilla/Equifax_Secure_CA.crt, mozilla/Equifax_Secure_Global_eBusiness_CA.crt, mozilla/Equifax_Secure_eBusiness_CA_1.crt, mozilla/Equifax_Secure_eBusiness_CA_2.crt, mozilla/Firmaprofesional_Root_CA.crt, mozilla/GTE_CyberTrust_Global_Root.crt, mozilla/GeoTrust_Global_CA.crt, mozilla/GeoTrust_Global_CA_2.crt, mozilla/GeoTrust_Primary_Certification_Authority.crt, mozilla/GeoTrust_Primary_Certification_Authority_-_G2.crt, mozilla/GeoTrust_Primary_Certification_Authority_-_G3.crt, mozilla/GeoTrust_Universal_CA.crt, mozilla/GeoTrust_Universal_CA_2.crt, mozilla/GlobalSign_Root_CA.crt, mozilla/GlobalSign_Root_CA_-_R2.crt, mozilla/GlobalSign_Root_CA_-_R3.crt, mozilla/Global_Chambersign_Root_-_2008.crt, mozilla/Go_Daddy_Class_2_CA.crt, mozilla/Hongkong_Post_Root_CA_1.crt, mozilla/IGC_A.crt, mozilla/Izenpe.com.crt, mozilla/Juur-SK.crt, mozilla/Microsec_e-Szigno_Root_CA.crt, mozilla/Microsec_e-Szigno_Root_CA_2009.crt, mozilla/NetLock_Arany_=Class_Gold=_Főtanúsítvány.crt, mozilla/NetLock_Business_=Class_B=_Root.crt, mozilla/NetLock_Express_=Class_C=_Root.crt, mozilla/NetLock_Notary_=Class_A=_Root.crt, mozilla/NetLock_Qualified_=Class_QA=_Root.crt, mozilla/Network_Solutions_Certificate_Authority.crt, mozilla/OISTE_WISeKey_Global_Root_GA_CA.crt, mozilla/QuoVadis_Root_CA.crt, mozilla/QuoVadis_Root_CA_2.crt, mozilla/QuoVadis_Root_CA_3.crt, mozilla/RSA_Root_Certificate_1.crt, mozilla/RSA_Security_2048_v3.crt, mozilla/S-TRUST_Authentication_and_Encryption_Root_CA_2005_PN.crt, mozilla/SecureSign_RootCA11.crt, mozilla/SecureTrust_CA.crt, mozilla/Secure_Global_CA.crt, mozilla/Security_Communication_EV_RootCA1.crt, mozilla/Security_Communication_Root_CA.crt, mozilla/Sonera_Class_1_Root_CA.crt, mozilla/Sonera_Class_2_Root_CA.crt, mozilla/Staat_der_Nederlanden_Root_CA.crt, mozilla/Staat_der_Nederlanden_Root_CA_-_G2.crt, mozilla/Starfield_Class_2_CA.crt, mozilla/StartCom_Certification_Authority.crt, mozilla/SwissSign_Gold_CA_-_G2.crt, mozilla/SwissSign_Platinum_CA_-_G2.crt, mozilla/SwissSign_Silver_CA_-_G2.crt, mozilla/Swisscom_Root_CA_1.crt, mozilla/TC_TrustCenter_Class_2_CA_II.crt, mozilla/TC_TrustCenter_Class_3_CA_II.crt, mozilla/TC_TrustCenter_Universal_CA_I.crt, mozilla/TDC_Internet_Root_CA.crt, mozilla/TC_TrustCenter_Universal_CA_III.crt, mozilla/TC_TrustCenter__Germany__Class_2_CA.crt, mozilla/TC_TrustCenter__Germany__Class_3_CA.crt, mozilla/TDC_OCES_Root_CA.crt, mozilla/TURKTRUST_Certificate_Services_Provider_Root_1.crt, mozilla/TURKTRUST_Certificate_Services_Provider_Root_2.crt, mozilla/Taiwan_GRCA.crt, mozilla/Thawte_Personal_Freemail_CA.crt, mozilla/Thawte_Premium_Server_CA.crt, mozilla/Thawte_Server_CA.crt, mozilla/Thawte_Time_Stamping_CA.crt, mozilla/TÜBİTAK_UEKAE_Kök_Sertifika_Hizmet_Sağlayıcısı_-_Sürüm_3.crt, mozilla/UTN_DATACorp_SGC_Root_CA.crt, mozilla/UTN_USERFirst_Email_Root_CA.crt, mozilla/UTN_USERFirst_Hardware_Root_CA.crt, mozilla/ValiCert_Class_1_VA.crt, mozilla/ValiCert_Class_2_VA.crt, mozilla/VeriSign_Class_3_Public_Primary_Certification_Authority_-_G4.crt, mozilla/VeriSign_Class_3_Public_Primary_Certification_Authority_-_G5.crt, mozilla/VeriSign_Universal_Root_Certification_Authority.crt, mozilla/Verisign_Class_1_Public_Primary_Certification_Authority.crt, mozilla/Verisign_Class_1_Public_Primary_Certification_Authority_-_G2.crt, mozilla/Verisign_Class_1_Public_Primary_Certification_Authority_-_G3.crt, mozilla/Verisign_Class_2_Public_Primary_Certification_Authority.crt, mozilla/Verisign_Class_2_Public_Primary_Certification_Authority_-_G2.crt, mozilla/Verisign_Class_2_Public_Primary_Certification_Authority_-_G3.crt, mozilla/Verisign_Class_3_Public_Primary_Certification_Authority.crt, mozilla/Verisign_Class_3_Public_Primary_Certification_Authority_-_G2.crt, mozilla/Verisign_Class_3_Public_Primary_Certification_Authority_-_G3.crt, mozilla/Verisign_Class_4_Public_Primary_Certification_Authority_-_G2.crt, mozilla/Verisign_Class_4_Public_Primary_Certification_Authority_-_G3.crt, mozilla/Visa_eCommerce_Root.crt, mozilla/WellsSecure_Public_Root_Certificate_Authority.crt, mozilla/Wells_Fargo_Root_CA.crt, mozilla/XRamp_Global_CA_Root.crt, mozilla/certSIGN_ROOT_CA.crt, mozilla/ePKI_Root_Certification_Authority.crt, mozilla/thawte_Primary_Root_CA.crt, mozilla/thawte_Primary_Root_CA_-_G2.crt, mozilla/thawte_Primary_Root_CA_-_G3.crt, cacert.org/cacert.org.crt, brasil.gov.br/brasil.gov.br.crt, signet.pl/signet_ca1_pem.crt, signet.pl/signet_ca2_pem.crt, signet.pl/signet_ca3_pem.crt, signet.pl/signet_ocspklasa2_pem.crt, signet.pl/signet_ocspklasa3_pem.crt, signet.pl/signet_pca2_pem.crt, signet.pl/signet_pca3_pem.crt, signet.pl/signet_rootca_pem.crt, signet.pl/signet_tsa1_pem.crt, gouv.fr/cert_igca_dsa.crt, gouv.fr/cert_igca_rsa.crt"

# CERTS_NEW: new certificates that will be installed
CERTS_NEW=""

members()
{
  echo "$1" | tr ',' '\n' | sed -e 's/^[[:space:]]*//' | while read ca
  do
    if echo "$2" | grep -q "$ca" > /dev/null 2>&1; then
      echo match
    fi
  done | grep -q match
}

. /usr/share/debconf/confmodule || exit
db_version 2.0
db_capb multiselect

db_settitle ca-certificates/title
db_input medium ca-certificates/trust_new_crts || true
db_go

trust_new="yes"
if db_get ca-certificates/trust_new_crts; then
  trust_new="$RET"
fi

seen=false
if db_fget ca-certificates/enable_crts seen; then
  seen="$RET"
fi
# XXX: in case reconfigure, force to select all available certificates
if test "$action" = "reconfigure" || test "$DEBCONF_RECONFIGURE" = "1"; then
  seen=false
  trust_new=no
fi

if test -d /usr/share/ca-certificates; then
  cd /usr/share/ca-certificates
  crts=$( (find . -type f -name '*.crt' -print | sed -e 's/^\.\///'; \
           echo "$CERTS_LIST" | tr ',' '\n' | sed -e 's/^[[:space:]]*//') | \
           sort | uniq)
  for crt in $crts
  do
   if test "$CERTS_AVAILABLE" = ""; then
     CERTS_AVAILABLE="$crt"
   else
     CERTS_AVAILABLE="$CERTS_AVAILABLE, $crt"
   fi
   if (echo "$CERTS_DISABLED" | grep -F -q -x "$crt") > /dev/null 2>&1; then
     : # echo "I: ignore $crt"
   elif (echo "$CERTS_TRUST" | grep -F -q -x "$crt") > /dev/null 2>&1; then
     # already trusted
     if test "$CERTS_ENABLED" = ""; then
       CERTS_ENABLED="$crt"
     else
       CERTS_ENABLED="$CERTS_ENABLED, $crt"
     fi
   else
     # new certs?
     if test "$trust_new" = "yes"; then
       if test "$CERTS_ENABLED" = ""; then
          CERTS_ENABLED="$crt"
       else
          CERTS_ENABLED="$CERTS_ENABLED, $crt"
       fi
     elif test "$trust_new" = "ask"; then
       if test "$CERTS_NEW" = ""; then
          CERTS_NEW="$crt"
       else
          CERTS_NEW="$CERTS_NEW, $crt"
       fi
     else
	 : # trust_new=no, default disabled
     fi
   fi
  done
else
  # initial installation
  CERTS_AVAILABLE="$CERTS_LIST"
  CERTS_ENABLED="$CERTS_AVAILABLE"
  # XXX: ca-certificates/enable_crts should be used, so no need to ask new
  #     in this session
  trust_new="yes"
  CERTS_NEW=""
fi

enable_crts=""
if db_get ca-certificates/enable_crts; then
 enable_crts="$RET"
fi

new_seen=false
if dpkg --compare-versions "$cur_version" lt 20040808; then
  db_fset ca-certificates/new_crts seen false
fi
if db_fget ca-certificates/new_crts seen; then
  new_seen="$RET"
fi
if members "$CERTS_NEW" "$enable_crts"; then
    # already selected new_crts?
    new_seen=true
fi
db_subst ca-certificates/new_crts new_crts "$CERTS_NEW"

if test "$trust_new" = "ask" && test "$new_seen" = "true"; then
 # XXX: run this again in postinst
 CERTS_ENABLED="$enable_crts"
fi

if test "$trust_new" = "ask" && test "$CERTS_NEW" != "" && test "$new_seen" = "false"; then
  # New certificates added
  db_fset ca-certificates/new_crts seen false
  db_input critical ca-certificates/new_crts || true
  db_go
  
  if db_get ca-certificates/new_crts; then
     if test "$CERTS_ENABLED" = ""; then
        CERTS_ENABLED="$RET"
     else
        CERTS_ENABLED="$CERTS_ENABLED, $RET"
     fi
  fi
  # XXX: old certificates keep current state?
  seen=true
fi
# mark seen true, so that dont ask again while postinst 
db_fset ca-certificates/new_crts seen true

# Ideally, we would be able to ask debconf for the language it's using, or
# at least have a shell binding for setlocale(). Since we don't, we have to
# do it all by hand.
is_pt_BR () {
  current_lc_messages="$(eval `locale`; echo "$LC_MESSAGES")"
  case "$LANGUAGE" in
    pt_BR*)
      return 0
      ;;
    *)
      case "$current_lc_messages" in
        pt_BR*)
          return 0
          ;;
      esac
  esac
  return 1
}

PRIO=low
set_values=true

if dpkg --compare-versions "$cur_version" lt-nl "$pt_BR_fixed_version"; then
  asked="false"
  if db_fget ca-certificates/enable_crts asked_pt_br_question; then
    asked="$RET"
  fi
  if [ "$asked" != "true" ]; then
    if [ -e "/etc/ssl/certs/ca-certificates.crt" ] && [ ! -s "/etc/ssl/certs/ca-certificates.crt" ]; then
      pt_seen="false"
      if db_fget ca-certificates/enable_crts seen; then
        pt_seen="$RET"
      fi
      if [ "$pt_seen" = "false" ]; then
        CERTS_ENABLED="$CERTS_AVAILABLE"
      elif is_pt_BR; then
        PRIO=critical
        CERTS_ENABLED="$CERTS_AVAILABLE"
        seen=false
      else
        seen=true
      fi
    fi
  else
    set_values=false
  fi
fi

if [ "$set_values" = "true" ]; then
  db_set ca-certificates/enable_crts "$CERTS_ENABLED"
  db_subst ca-certificates/enable_crts enable_crts "$CERTS_AVAILABLE"
  if test "$seen" != true; then
   db_fset ca-certificates/enable_crts seen false
  fi
  db_input $PRIO ca-certificates/enable_crts || true
  db_go

  if [ "$PRIO" = "critical" ]; then
    db_fset ca-certificates/enable_crts asked_pt_br_question true
  fi
fi

exit 0