""" CALEA System Security and Integrity (SSI) Plan — IXC SS7. Interexchange-carrier variant of the CALEA SSI plan. The lawful- intercept method is provisioned at IXC tandem / Class 4 switching elements (or softswitch equivalents) using SS7 signaling, and covers both content and call-identifying information for pen-register / trap-and-trace and Title III orders directed at toll calls. """ from __future__ import annotations import logging from datetime import date from pathlib import Path from typing import Optional LOG = logging.getLogger("document_gen.calea_ixc_ss7") try: from docx import Document from docx.shared import Pt, Inches, RGBColor from docx.enum.text import WD_ALIGN_PARAGRAPH except ImportError: LOG.warning("python-docx not installed — CALEA IXC SS7 unavailable") Document = None # type: ignore[assignment,misc] NAVY = RGBColor(0x1A, 0x27, 0x44) if Document else None VARIANT_ID = "ixc_ss7" VARIANT_LABEL = "Interexchange Carrier — SS7 / SIGTRAN" def _heading(doc, text): p = doc.add_paragraph() p.paragraph_format.space_before = Pt(12); p.paragraph_format.space_after = Pt(4) r = p.add_run(text); r.bold = True; r.font.size = Pt(13); r.font.color.rgb = NAVY def _body(doc, text, bold=False): p = doc.add_paragraph(); p.paragraph_format.space_after = Pt(6) r = p.add_run(text); r.font.size = Pt(11); r.bold = bold def _bullets(doc, items): for it in items: p = doc.add_paragraph(style="List Bullet") p.paragraph_format.left_indent = Inches(0.25) p.paragraph_format.space_after = Pt(3) p.clear() r = p.add_run(it); r.font.size = Pt(11) def generate_calea_ixc_ss7( output_path: str, entity_name: str, frn: str = "", law_enforcement_contact: Optional[dict] = None, cpni_protection_officer: Optional[dict] = None, network_infrastructure_summary: str = "", interception_support_method: str = "", reporting_year: int = 0, signatory_name: str = "", signatory_title: str = "Chief Executive Officer", effective_date: str = "", next_review_date: str = "", reviewer_name: str = "Justin Hannah", reviewer_company: str = "Performance West Inc.", **_: dict, ) -> Optional[str]: if Document is None: LOG.error("python-docx not installed") return None le = law_enforcement_contact or {} cpni = cpni_protection_officer or {} today = date.today() effective = effective_date or today.strftime("%m/%d/%Y") next_review = next_review_date or today.replace(year=today.year + 1).strftime("%m/%d/%Y") doc = Document() for s in doc.sections: s.top_margin = Inches(1); s.bottom_margin = Inches(1) s.left_margin = Inches(1.25); s.right_margin = Inches(1.25) title = doc.add_paragraph(); title.alignment = WD_ALIGN_PARAGRAPH.CENTER tr = title.add_run("System Security and Integrity (SSI) Plan") tr.font.size = Pt(15); tr.bold = True; tr.font.color.rgb = NAVY sub = doc.add_paragraph(); sub.alignment = WD_ALIGN_PARAGRAPH.CENTER sr = sub.add_run(entity_name); sr.font.size = Pt(13); sr.bold = True vsub = doc.add_paragraph(); vsub.alignment = WD_ALIGN_PARAGRAPH.CENTER vr = vsub.add_run(f"Variant: {VARIANT_LABEL}") vr.font.size = Pt(11); vr.italic = True cite = doc.add_paragraph(); cite.alignment = WD_ALIGN_PARAGRAPH.CENTER cr = cite.add_run("Pursuant to 47 U.S.C. \u00a7 229 and 47 CFR \u00a7 1.20003") cr.font.size = Pt(10); cr.italic = True cite.paragraph_format.space_after = Pt(18) _heading(doc, "1. Purpose") _body(doc, ( f"This SSI Plan governs {entity_name}'s compliance with CALEA and " f"the Commission's implementing rules as applied to {entity_name}'s " f"operations as an interexchange (toll) carrier utilizing SS7 / " f"SIGTRAN signaling." )) _heading(doc, "2. Scope and Applicability") _body(doc, ( f"{entity_name} is a provider of interexchange (toll) service " f"subject to CALEA. Its covered equipment includes IXC tandem / " f"Class 4 switching elements or softswitch equivalents, SS7 / " f"SIGTRAN signaling, billing-record systems, and trunk " f"interconnections with IXC peers, LECs, and wireless carriers." )) _heading(doc, "3. Designated Law Enforcement Contact (24-hour)") _body(doc, ( f"Per 47 CFR \u00a7 1.20003(a)(1), {entity_name} designates the " f"following 24-hour point of contact for court orders, pen " f"register / trap-and-trace orders, and Title III wiretap orders." )) _bullets(doc, [ f"Name: {le.get('name') or '[TO BE POPULATED]'}", f"Title: {le.get('title') or ''}", f"Phone (24-hour): {le.get('phone') or ''}", f"Email (24-hour): {le.get('email_24h') or ''}", f"Backup contact: {le.get('backup_name') or '[TO BE POPULATED]'}", ]) _body(doc, ( f"{entity_name} commits to acknowledging any order within two (2) " f"business hours of receipt." )) _heading(doc, "4. Network Architecture and Interception Capability") _body(doc, network_infrastructure_summary or ( f"{entity_name} operates softswitch / Class 4 tandem elements " "with redundant SS7 / SIGTRAN signaling for toll call control. " "Trunk peering with LECs, other IXCs, and wireless carriers is " "established via SS7 trunks." )) _body(doc, interception_support_method or ( f"Toll-call lawful intercept is provisioned at {entity_name}'s " "softswitch / tandem under ATIS J-STD-025-B. Call content is " "delivered via Call Content Channel (CCC); call-identifying " "information via Call Data Channel (CDC). The Designated Senior " "Officer validates the court order, coordinates provisioning, " "and certifies activation to the requesting law-enforcement " "agency." )) _heading(doc, "5. CPNI Safeguards") _body(doc, ( f"{entity_name} maintains a separate CPNI procedure statement " f"under 47 CFR \u00a7\u00a7 64.2001\u201364.2011. The CPNI " f"Protection Officer is:" )) _bullets(doc, [ f"Name: {cpni.get('name') or '[TO BE POPULATED]'}", f"Title: {cpni.get('title') or 'CPNI Protection Officer'}", ]) _body(doc, ( "Toll call-record databases, PIC-administration interfaces, and " "intercept provisioning are all within the CPNI Protection " "Officer's oversight scope." )) _heading(doc, "6. Personnel Vetting and Training") _bullets(doc, [ "Annual CALEA + CPNI training for all personnel with intercept " "or CPNI access.", "Background checks prior to grant of access.", "Access revoked within 24 hours of termination.", "All intercept actions attributed to authenticated named users.", ]) _heading(doc, "7. Supervisory Review") _body(doc, ( f"The {le.get('title') or 'Designated Senior Officer'} reviews " f"intercept activity at least quarterly. Anomalies are escalated " f"to the CEO within one business day." )) _heading(doc, "8. Records Retention") _body(doc, ( "Intercept provisioning and service-of-process records retained " "ten (10) years per 47 CFR \u00a7 1.20003(b); CPNI access logs " "retained at least two (2) years per 47 CFR \u00a7 64.2009." )) _heading(doc, "9. Annual Review") _body(doc, ( f"This Plan is reviewed at least annually and upon material " f"infrastructure / interconnection change. Next scheduled review: " f"{next_review}." )) _heading(doc, "10. Certification") _body(doc, ( f"I, {signatory_name or '[Authorized Officer]'}, as " f"{signatory_title} of {entity_name}, certify that I have " f"reviewed this SSI Plan and that {entity_name} complies with 47 " f"U.S.C. \u00a7 229 and 47 CFR \u00a7 1.20003." )) _body(doc, "") doc.add_paragraph("_" * 45) _body(doc, signatory_name or "[Authorized Officer]", bold=True) _body(doc, f"{signatory_title}, {entity_name}") _body(doc, f"Effective Date: {effective}") if frn: _body(doc, f"FRN: {frn}") _body(doc, f"Reviewed By: {reviewer_name}, {reviewer_company}") _body(doc, f"Next Review Date: {next_review}") out = Path(output_path) out.parent.mkdir(parents=True, exist_ok=True) doc.save(str(out)) LOG.info("CALEA IXC SS7 SSI plan generated: %s", out) return str(out)