res_pjsip.c: OPTIONS processing can now optionally skip authentication

ASTERISK-27477 #close

Change-Id: I68f6715bba92a525149e35d142a49377a34a1193

contrib/ast-db-manage/config/versions/c20d6e3992f4_add_allow_unauthenticated_options.py

@@ -0,0 +1,29 @@
+"""add allow_unauthenticated_options
+
+Revision ID: c20d6e3992f4
+Revises: 8915fcc5766f
+Create Date: 2021-04-23 13:44:38.296558
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'c20d6e3992f4'
+down_revision = '8915fcc5766f'
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects.postgresql import ENUM
+
+AST_BOOL_NAME = 'ast_bool_values'
+AST_BOOL_VALUES = [ '0', '1',
+                    'off', 'on',
+                    'false', 'true',
+                    'no', 'yes' ]
+
+def upgrade():
+    ast_bool_values = ENUM(*AST_BOOL_VALUES, name=AST_BOOL_NAME, create_type=False)
+    op.add_column('ps_endpoints', sa.Column('allow_unauthenticated_options', ast_bool_values))
+
+def downgrade():
+    op.drop_column('ps_endpoints', 'allow_unauthenticated_options')
+    pass