def Certificate_Dump(self):
"""Dump of the certificate"""
if self.pk and self.active:
a = Openssl(self)
return "<textarea id=\"certdump\">%s</textarea>" % a.dump_certificate()
else:
return "Nothing to display"
def Certificate_Dump(self):
"""Dump of the certificate"""
if self.pk and self.active:
a = Openssl(self)
return "<textarea id=\"certdump\">%s</textarea>" % a.dump_certificate()
else:
return "Nothing to display"
def delete(self, passphrase, *args, **kwargs):
"""Delete the CertificateAuthority object"""
logger.info( "Certificate %s is going to be deleted" % self.name )
## Container for CA folders to delete
self.remove_chain = []
## Is a revoke required?
revoke_required = True
## Helper function for recusion
def chain_recursion(r_id):
ca = CertificateAuthority.objects.get(pk=r_id)
self.remove_chain.append(ca.pk)
## Search for related CA's
child_cas = CertificateAuthority.objects.filter(parent=r_id)
if child_cas:
for ca in child_cas:
chain_recursion(ca.pk)
if not self.parent:
logger.info( "No revoking of certitifcates. %s is a toplevel CA" % self.name )
revoke_required = False
## Collect child CA's and certificates
chain_recursion(self.pk)
logger.info( "Full chain is %s and pf is %s" % (self.remove_chain, self.passphrase))
## Remoke first ca in the chain
if revoke_required:
a = Openssl(CertificateAuthority.objects.get(pk=self.pk))
a.revoke_certificate(passphrase)
a.generate_crl(ca=self.parent.name, pf=passphrase)
## Rebuild the ca metadata
self.rebuild_ca_metadata(modify=True, task='exclude', skip_list=self.remove_chain)
## Remove object history
self.Delete_Changelog(obj=self)
## Call the "real" delete function
super(CertificateAuthority, self).delete(*args, **kwargs)
def delete(self, passphrase, *args, **kwargs):
"""Delete the Certificate object"""
## Time for some rm action
a = Openssl(self)
if self.parent:
a.revoke_certificate(passphrase)
a.generate_crl(ca=self.parent.name, pf=passphrase)
a.remove_complete_certificate()
## Remove object history
self.Delete_Changelog(obj=self)
## Call the "real" delete function
super(Certificate, self).delete(*args, **kwargs)
def delete(self, passphrase, *args, **kwargs):
"""Delete the Certificate object"""
## Time for some rm action
a = Openssl(self)
if self.parent:
a.revoke_certificate(passphrase)
a.generate_crl(ca=self.parent.name, pf=passphrase)
a.remove_complete_certificate()
## Remove object history
self.Delete_Changelog(obj=self)
## Call the "real" delete function
super(Certificate, self).delete(*args, **kwargs)
def delete(self, passphrase, *args, **kwargs):
"""Delete the CertificateAuthority object"""
logger.info( "Certificate %s is going to be deleted" % self.name )
## Container for CA folders to delete
self.remove_chain = []
## Is a revoke required?
revoke_required = True
## Helper function for recusion
def chain_recursion(r_id):
ca = CertificateAuthority.objects.get(pk=r_id)
self.remove_chain.append(ca.pk)
## Search for related CA's
child_cas = CertificateAuthority.objects.filter(parent=r_id)
if child_cas:
for ca in child_cas:
chain_recursion(ca.pk)
if not self.parent:
logger.info( "No revoking of certitifcates. %s is a toplevel CA" % self.name )
revoke_required = False
## Collect child CA's and certificates
chain_recursion(self.pk)
logger.info( "Full chain is %s and pf is %s" % (self.remove_chain, self.passphrase))
## Remoke first ca in the chain
if revoke_required:
a = Openssl(CertificateAuthority.objects.get(pk=self.pk))
a.revoke_certificate(passphrase)
a.generate_crl(ca=self.parent.name, pf=passphrase)
## Rebuild the ca metadata
self.rebuild_ca_metadata(modify=True, task='exclude', skip_list=self.remove_chain)
## Remove object history
self.Delete_Changelog(obj=self)
## Call the "real" delete function
super(CertificateAuthority, self).delete(*args, **kwargs)
def save(self, *args, **kwargs):
"""Save the Certificate object"""
## Set user to None if it's missing
c_user = getattr(self, 'user', None)
## Variables to track changes
c_action = self.action
c_list = []
if self.pk:
if self.action in ('update', 'revoke', 'renew'):
action = Openssl(self)
prev = Certificate.objects.get(pk=self.pk)
if self.action == 'revoke':
if not self.parent:
raise Exception( "You cannot revoke a self-signed certificate! No parent => No revoke" )
## Revoke and generate CRL
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Modify fields
prev.active = False
prev.der_encoded = False
prev.pkcs12_encoded = False
prev.revoked = datetime.datetime.now()
c_list.append('Revoked certificate "%s"' % self.common_name)
elif self.action == 'renew':
c_list.append('Renewed certificate "%s"' % self.common_name)
## Revoke if certificate is active
if self.parent and not action.get_revoke_status_from_cert():
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Renew certificate and update CRL
if self.parent == None:
action.generate_self_signed_cert()
else:
action.generate_csr()
action.sign_csr()
action.generate_crl(self.parent.name, self.parent_passphrase)
## Modify fields
prev.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
prev.expiry_date = datetime.datetime.now() + delta
if prev.valid_days != self.valid_days:
c_list.append("Changed valid days to %d" % (prev.valid_days, self.valid_days))
prev.valid_days = self.valid_days
prev.active = True
prev.revoked = None
## Make sure possibly updated fields are saved to DB
if prev.country != self.country: c_list.append('Updated country to "%s"' % self.country)
if prev.locality != self.locality: c_list.append('Updated locality to "%s"' % self.locality)
if prev.organization != self.organization: c_list.append('Updated organization to "%s"' % self.organization)
if prev.email != self.email: c_list.append('Updated email to "%s"' % self.email)
if prev.OU != self.OU: c_list.append('Updated OU to "%s"' % self.OU)
prev.country = self.country
prev.locality = self.locality
prev.organization = self.organization
prev.email = self.email
prev.OU = self.OU
## Get the new serial
prev.serial = action.get_serial_from_cert()
c_list.append("Serial number changed to %s" % prev.serial)
if self.action != 'revoke':
if prev.pkcs12_encoded != self.pkcs12_encoded:
c_list.append("PKCS12 encoding set to %s" % self.der_encoded)
if self.pkcs12_encoded:
if prev.pkcs12_encoded and prev.pkcs12_passphrase == self.pkcs12_passphrase:
logger.debug( 'PKCS12 passphrase is unchanged. Nothing to do' )
else:
action.generate_pkcs12_encoded()
else:
action.remove_pkcs12_encoded()
self.pkcs12_passphrase = prev.pkcs12_passphrase = None
if self.pkcs12_passphrase:
prev.pkcs12_passphrase = md5_constructor(self.pkcs12_passphrase).hexdigest()
else:
prev.pkcs12_passphrase = None
if prev.der_encoded is not self.der_encoded:
c_list.append("DER encoding set to %s" % self.der_encoded)
if self.der_encoded:
action.generate_der_encoded()
else:
action.remove_der_encoded()
## Update description. This is always allowed
if prev.description != self.description:
c_list.append('Updated description to "%s"' % self.description)
prev.description = self.description
## Save the data
self = prev
self.action = 'update'
else:
raise Exception( 'Invalid action %s supplied' % self.action )
else:
## Set creation data
self.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
self.expiry_date = datetime.datetime.now() + delta
## Force instance to be active
self.active = True
logger.info( "***** { New certificate generation: %s } *****" % self.name )
## Generate key and certificate
action = Openssl(self)
action.generate_key()
if self.parent:
action.generate_csr()
action.sign_csr()
self.ca_chain = self.parent.ca_chain
if self.ca_chain == 'self-signed':
self.ca_chain = self.parent.name
else:
action.generate_self_signed_cert()
self.ca_chain = "self-signed"
## Get the serial from certificate
self.serial = action.get_serial_from_cert()
## Encoding
if self.der_encoded:
action.generate_der_encoded()
if self.pkcs12_encoded:
action.generate_pkcs12_encoded()
## Encrypt passphrase and blank parent's passphrase
if self.passphrase:
self.passphrase = md5_constructor(self.passphrase).hexdigest()
## Set change text to fixed value
c_list.append('Created certificate "%s"' % action.subj)
## Blank parent passphrase
self.parent_passphrase = None
## Save the data
super(Certificate, self).save(*args, **kwargs)
## Update changelog
self.Update_Changelog(obj=self, user=c_user, action=c_action, changes=c_list)
def save(self, *args, **kwargs):
"""Save the CertificateAuthority object"""
## Set user to None if it's missing
c_user = getattr(self, 'user', None)
## Variables to track changes
c_action = self.action
c_list = []
if self.pk:
if self.action in ('update', 'revoke', 'renew'):
action = Openssl(self)
prev = CertificateAuthority.objects.get(pk=self.pk)
if self.action in ('revoke', 'renew'):
if self.action == 'revoke':
if not self.parent:
raise Exception( "You cannot revoke a self-signed certificate! No parent => No revoke" )
## Revoke and generate CRL
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Modify fields
prev.active = False
prev.der_encoded = False
prev.revoked = datetime.datetime.now()
c_list.append('Revoked certificate "%s"' % self.common_name)
elif self.action == 'renew':
c_list.append('Renewed certificate "%s"' % self.common_name)
## Revoke if certificate is active
if self.parent and not action.get_revoke_status_from_cert():
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Rebuild the ca metadata
self.rebuild_ca_metadata(modify=True, task='replace')
## Renew certificate and update CRL
if self.parent == None:
action.generate_self_signed_cert()
action.generate_crl(self.name, self.passphrase)
else:
action.generate_csr()
action.sign_csr()
action.generate_crl(self.parent.name, self.parent_passphrase)
action.update_ca_chain_file()
## Modify fields
prev.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
prev.expiry_date = datetime.datetime.now() + delta
if prev.valid_days != self.valid_days:
c_list.append("Changed valid days to %d" % (prev.valid_days, self.valid_days))
prev.valid_days = self.valid_days
prev.active = True
prev.revoked = None
## Make sure possibly updated fields are saved to DB
if prev.country != self.country: c_list.append('Updated country to "%s"' % self.country)
if prev.locality != self.locality: c_list.append('Updated locality to "%s"' % self.locality)
if prev.organization != self.organization: c_list.append('Updated organization to "%s"' % self.organization)
if prev.email != self.email: c_list.append('Updated email to "%s"' % self.email)
if prev.OU != self.OU: c_list.append('Updated OU to "%s"' % self.OU)
prev.country = self.country
prev.locality = self.locality
prev.organization = self.organization
prev.email = self.email
prev.OU = self.OU
## Get the new serial
prev.serial = action.get_serial_from_cert()
c_list.append("Serial number changed to %s" % prev.serial)
## DB-revoke all related certs
garbage = []
id_dict = { 'cert': [], 'ca': [], }
from pki.views import chain_recursion as r_chain_recursion
r_chain_recursion(self.id, garbage, id_dict)
for i in id_dict['cert']:
x = Certificate.objects.get(pk=i)
x.active = False
x.der_encoded = False
x.pkcs12_encoded = False
x.revoked = datetime.datetime.now()
super(Certificate, x).save(*args, **kwargs)
self.Update_Changelog(obj=x, user=c_user, action='broken', changes=(['Broken by %s of CA "%s"' % (c_action, self.common_name),]))
for i in id_dict['ca']:
x = CertificateAuthority.objects.get(pk=i)
x.active = False
x.der_encoded = False
x.revoked = datetime.datetime.now()
super(CertificateAuthority, x).save(*args, **kwargs)
if x.pk != self.pk:
self.Update_Changelog(obj=x, user=c_user, action='broken', changes=(['Broken by %s of CA "%s"' % (c_action, self.common_name),]))
## Update description. This is always allowed
if prev.description != self.description:
c_list.append('Updated description to "%s"' % self.description)
prev.description = self.description
if prev.der_encoded is not self.der_encoded:
c_list.append("DER encoding set to %s" % self.der_encoded)
if self.der_encoded and self.action != "revoke":
action.generate_der_encoded()
else:
action.remove_der_encoded()
self = prev
self.action = 'update'
else:
raise Exception( 'Invalid action %s supplied' % self.action )
else:
## Set creation data
self.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
self.expiry_date = datetime.datetime.now() + delta
## Force instance to be active
self.active = True
## Reset the action
self.action = 'update'
## Rebuild the ca metadata
self.rebuild_ca_metadata(modify=True, task='append')
## Generate keys and certificates
action = Openssl(self)
action.generate_key()
if not self.parent:
action.generate_self_signed_cert()
else:
action.generate_csr()
action.sign_csr()
if self.der_encoded:
action.generate_der_encoded()
## Generate CRL
action.generate_crl(self.name, self.passphrase)
## Get the serial from certificate
self.serial = action.get_serial_from_cert()
## Generate ca chain (db field and chain file)
chain = []
chain_str = ''
p = self.parent
if self.parent == None:
chain.append('self-signed')
else:
chain.append( self.common_name )
while p != None:
chain.append(p.common_name)
p = p.parent
chain.reverse()
## Build chain string and file
for i in chain:
if chain_str == '':
chain_str += '%s' % i
else:
chain_str += ' → %s' % i
self.ca_chain = chain_str
action.update_ca_chain_file()
## Encrypt passphrase and blank parent's passphrase
self.passphrase = md5_constructor(self.passphrase).hexdigest()
## Set change text to fixed value
c_list.append('Created certificate "%s"' % self.common_name)
## Blank parent passphrase
self.parent_passphrase = None
## Save the data
super(CertificateAuthority, self).save(*args, **kwargs)
## Update changelog
self.Update_Changelog(obj=self, user=c_user, action=c_action, changes=c_list)
def save(self, *args, **kwargs):
"""Save the Certificate object"""
## Set user to None if it's missing
c_user = getattr(self, 'user', None)
## Variables to track changes
c_action = self.action
c_list = []
if self.pk:
if self.action in ('update', 'revoke', 'renew'):
action = Openssl(self)
prev = Certificate.objects.get(pk=self.pk)
if self.action == 'revoke':
if not self.parent:
raise Exception( "You cannot revoke a self-signed certificate! No parent => No revoke" )
## Revoke and generate CRL
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Modify fields
prev.active = False
prev.der_encoded = False
prev.pkcs12_encoded = False
prev.revoked = datetime.datetime.now()
c_list.append('Revoked certificate "%s"' % self.common_name)
elif self.action == 'renew':
c_list.append('Renewed certificate "%s"' % self.common_name)
## Revoke if certificate is active
if self.parent and not action.get_revoke_status_from_cert():
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Renew certificate and update CRL
if self.parent == None:
action.generate_self_signed_cert()
else:
action.generate_csr()
action.sign_csr()
action.generate_crl(self.parent.name, self.parent_passphrase)
## Modify fields
prev.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
prev.expiry_date = datetime.datetime.now() + delta
if prev.valid_days != self.valid_days:
c_list.append("Changed valid days to %d" % (prev.valid_days, self.valid_days))
prev.valid_days = self.valid_days
prev.active = True
prev.revoked = None
## Make sure possibly updated fields are saved to DB
if prev.country != self.country: c_list.append('Updated country to "%s"' % self.country)
if prev.locality != self.locality: c_list.append('Updated locality to "%s"' % self.locality)
if prev.organization != self.organization: c_list.append('Updated organization to "%s"' % self.organization)
if prev.email != self.email: c_list.append('Updated email to "%s"' % self.email)
if prev.OU != self.OU: c_list.append('Updated OU to "%s"' % self.OU)
prev.country = self.country
prev.locality = self.locality
prev.organization = self.organization
prev.email = self.email
prev.OU = self.OU
## Get the new serial
prev.serial = action.get_serial_from_cert()
c_list.append("Serial number changed to %s" % prev.serial)
if self.action != 'revoke':
if prev.pkcs12_encoded != self.pkcs12_encoded:
c_list.append("PKCS12 encoding set to %s" % self.der_encoded)
if self.pkcs12_encoded:
if prev.pkcs12_encoded and prev.pkcs12_passphrase == self.pkcs12_passphrase:
logger.debug( 'PKCS12 passphrase is unchanged. Nothing to do' )
else:
action.generate_pkcs12_encoded()
else:
action.remove_pkcs12_encoded()
self.pkcs12_passphrase = prev.pkcs12_passphrase = None
if self.pkcs12_passphrase:
prev.pkcs12_passphrase = md5_constructor(self.pkcs12_passphrase).hexdigest()
else:
prev.pkcs12_passphrase = None
if prev.der_encoded is not self.der_encoded:
c_list.append("DER encoding set to %s" % self.der_encoded)
if self.der_encoded:
action.generate_der_encoded()
else:
action.remove_der_encoded()
## Update description. This is always allowed
if prev.description != self.description:
c_list.append('Updated description to "%s"' % self.description)
prev.description = self.description
## Save the data
self = prev
self.action = 'update'
else:
raise Exception( 'Invalid action %s supplied' % self.action )
else:
## Set creation data
self.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
self.expiry_date = datetime.datetime.now() + delta
## Force instance to be active
self.active = True
logger.info( "***** { New certificate generation: %s } *****" % self.name )
## Generate key and certificate
action = Openssl(self)
action.generate_key()
if self.parent:
action.generate_csr()
action.sign_csr()
self.ca_chain = self.parent.ca_chain
if self.ca_chain == 'self-signed':
self.ca_chain = self.parent.name
else:
action.generate_self_signed_cert()
self.ca_chain = "self-signed"
## Get the serial from certificate
self.serial = action.get_serial_from_cert()
## Encoding
if self.der_encoded:
action.generate_der_encoded()
if self.pkcs12_encoded:
action.generate_pkcs12_encoded()
## Encrypt passphrase and blank parent's passphrase
if self.passphrase:
self.passphrase = md5_constructor(self.passphrase).hexdigest()
## Set change text to fixed value
c_list.append('Created certificate "%s"' % action.subj)
## Blank parent passphrase
self.parent_passphrase = None
## Save the data
super(Certificate, self).save(*args, **kwargs)
## Update changelog
self.Update_Changelog(obj=self, user=c_user, action=c_action, changes=c_list)
def save(self, *args, **kwargs):
"""Save the CertificateAuthority object"""
## Set user to None if it's missing
c_user = getattr(self, 'user', None)
## Variables to track changes
c_action = self.action
c_list = []
if self.pk:
if self.action in ('update', 'revoke', 'renew'):
action = Openssl(self)
prev = CertificateAuthority.objects.get(pk=self.pk)
if self.action in ('revoke', 'renew'):
if self.action == 'revoke':
if not self.parent:
raise Exception( "You cannot revoke a self-signed certificate! No parent => No revoke" )
## Revoke and generate CRL
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Modify fields
prev.active = False
prev.der_encoded = False
prev.revoked = datetime.datetime.now()
c_list.append('Revoked certificate "%s"' % self.common_name)
elif self.action == 'renew':
c_list.append('Renewed certificate "%s"' % self.common_name)
## Revoke if certificate is active
if self.parent and not action.get_revoke_status_from_cert():
action.revoke_certificate(self.parent_passphrase)
action.generate_crl(self.parent.name, self.parent_passphrase)
## Rebuild the ca metadata
self.rebuild_ca_metadata(modify=True, task='replace')
## Renew certificate and update CRL
if self.parent == None:
action.generate_self_signed_cert()
action.generate_crl(self.name, self.passphrase)
else:
action.generate_csr()
action.sign_csr()
action.generate_crl(self.parent.name, self.parent_passphrase)
action.update_ca_chain_file()
## Modify fields
prev.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
prev.expiry_date = datetime.datetime.now() + delta
if prev.valid_days != self.valid_days:
c_list.append("Changed valid days to %d" % (prev.valid_days, self.valid_days))
prev.valid_days = self.valid_days
prev.active = True
prev.revoked = None
## Make sure possibly updated fields are saved to DB
if prev.country != self.country: c_list.append('Updated country to "%s"' % self.country)
if prev.locality != self.locality: c_list.append('Updated locality to "%s"' % self.locality)
if prev.organization != self.organization: c_list.append('Updated organization to "%s"' % self.organization)
if prev.email != self.email: c_list.append('Updated email to "%s"' % self.email)
if prev.OU != self.OU: c_list.append('Updated OU to "%s"' % self.OU)
prev.country = self.country
prev.locality = self.locality
prev.organization = self.organization
prev.email = self.email
prev.OU = self.OU
## Get the new serial
prev.serial = action.get_serial_from_cert()
c_list.append("Serial number changed to %s" % prev.serial)
## DB-revoke all related certs
garbage = []
id_dict = { 'cert': [], 'ca': [], }
from pki.views import chain_recursion as r_chain_recursion
r_chain_recursion(self.id, garbage, id_dict)
for i in id_dict['cert']:
x = Certificate.objects.get(pk=i)
x.active = False
x.der_encoded = False
x.pkcs12_encoded = False
x.revoked = datetime.datetime.now()
super(Certificate, x).save(*args, **kwargs)
self.Update_Changelog(obj=x, user=c_user, action='broken', changes=(['Broken by %s of CA "%s"' % (c_action, self.common_name),]))
for i in id_dict['ca']:
x = CertificateAuthority.objects.get(pk=i)
x.active = False
x.der_encoded = False
x.revoked = datetime.datetime.now()
super(CertificateAuthority, x).save(*args, **kwargs)
if x.pk != self.pk:
self.Update_Changelog(obj=x, user=c_user, action='broken', changes=(['Broken by %s of CA "%s"' % (c_action, self.common_name),]))
## Update description. This is always allowed
if prev.description != self.description:
c_list.append('Updated description to "%s"' % self.description)
prev.description = self.description
if prev.der_encoded is not self.der_encoded:
c_list.append("DER encoding set to %s" % self.der_encoded)
if self.der_encoded and self.action != "revoke":
action.generate_der_encoded()
else:
action.remove_der_encoded()
self = prev
self.action = 'update'
else:
raise Exception( 'Invalid action %s supplied' % self.action )
else:
## Set creation data
self.created = datetime.datetime.now()
delta = datetime.timedelta(self.valid_days)
self.expiry_date = datetime.datetime.now() + delta
## Force instance to be active
self.active = True
## Reset the action
self.action = 'update'
## Rebuild the ca metadata
self.rebuild_ca_metadata(modify=True, task='append')
## Generate keys and certificates
action = Openssl(self)
action.generate_key()
if not self.parent:
action.generate_self_signed_cert()
else:
action.generate_csr()
action.sign_csr()
if self.der_encoded:
action.generate_der_encoded()
## Generate CRL
action.generate_crl(self.name, self.passphrase)
## Get the serial from certificate
self.serial = action.get_serial_from_cert()
## Generate ca chain (db field and chain file)
chain = []
chain_str = ''
p = self.parent
if self.parent == None:
chain.append('self-signed')
else:
chain.append( self.common_name )
while p != None:
chain.append(p.common_name)
p = p.parent
chain.reverse()
## Build chain string and file
for i in chain:
if chain_str == '':
chain_str += '%s' % i
else:
chain_str += ' → %s' % i
self.ca_chain = chain_str
action.update_ca_chain_file()
## Encrypt passphrase and blank parent's passphrase
self.passphrase = md5_constructor(self.passphrase).hexdigest()
## Set change text to fixed value
c_list.append('Created certificate "%s"' % self.common_name)
## Blank parent passphrase
self.parent_passphrase = None
## Save the data
super(CertificateAuthority, self).save(*args, **kwargs)
## Update changelog
self.Update_Changelog(obj=self, user=c_user, action=c_action, changes=c_list)