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res_pjsip: Add mediasec capabilities.

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This patch adds support for mediasec SIP headers and SDP attributes.
These are defined in RFC 3329, 3GPP TS 24.229 and
draft-dawes-sipcore-mediasec-parameter. The new features are
implemented so that a backbone for RFC 3329 is present to streamline
future work on RFC 3329.

With this patch, Asterisk can communicate with Deutsche Telekom trunks
which require these fields.

ASTERISK-30032

Change-Id: Ia7f5b5ba42db18074fdd5428c4e1838728586be2
This commit is contained in:
Maximilian Fridrich
2022-07-26 14:01:04 +02:00
parent 8d6fdf9c3a
commit 14826a8038
12 changed files with 942 additions and 4 deletions
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49
contrib/ast-db-manage/config/versions/417c0247fd7e_add_security_negotiation_and_security_.py Normal file
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"""add security_negotiation and security_mechanisms to endpoint
Revision ID: 417c0247fd7e
Revises: 539f68bede2c
Create Date: 2022-08-08 15:35:31.416964
"""
# revision identifiers, used by Alembic.
revision = '417c0247fd7e'
down_revision = '539f68bede2c'
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects.postgresql import ENUM
SECURITY_NEGOTIATION_NAME = 'security_negotiation_values'
SECURITY_NEGOTIATION_VALUES = ['no', 'mediasec']
def upgrade():
context = op.get_context()
if context.bind.dialect.name == 'postgresql':
security_negotiation_values = ENUM(*SECURITY_NEGOTIATION_VALUES, name=SECURITY_NEGOTIATION_NAME)
security_negotiation_values.create(op.get_bind(), checkfirst=False)
op.add_column('ps_endpoints', sa.Column('security_negotiation',
ENUM(*SECURITY_NEGOTIATION_VALUES, name=SECURITY_NEGOTIATION_NAME, create_type=False)))
op.add_column('ps_endpoints', sa.Column('security_mechanisms', sa.String(512)))
op.add_column('ps_registrations', sa.Column('security_negotiation',
ENUM(*SECURITY_NEGOTIATION_VALUES, name=SECURITY_NEGOTIATION_NAME, create_type=False)))
op.add_column('ps_registrations', sa.Column('security_mechanisms', sa.String(512)))
def downgrade():
context = op.get_context()
if context.bind.dialect.name == 'mssql':
op.drop_constraint('ck_ps_endpoints_security_negotiation_security_negotiation_values', 'ps_endpoints')
op.drop_constraint('ck_ps_registrations_security_negotiation_security_negotiation_values', 'ps_registrations')
op.drop_column('ps_endpoints', 'security_negotiation')
op.drop_column('ps_endpoints', 'security_mechanisms')
op.drop_column('ps_registrations', 'security_negotiation')
op.drop_column('ps_registrations', 'security_mechanisms')
if context.bind.dialect.name == 'postgresql':
enum = ENUM(*SECURITY_NEGOTIATION_VALUES, name=SECURITY_NEGOTIATION_NAME)
enum.drop(op.get_bind(), checkfirst=False)