vms-a17e: vms.ko constructs SYSTEM's identity at module init; PID 1 reads SYSUAF zero times - #288
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…ON.EXE reads SYSUAF zero times for it
EXEC_INIT constructs the system process's identity on OpenVMS; LOGINOUT is
SYSUAF's FIRST reader. OVMX inverted that: PROVISION.EXE read SYSUAF's
SYSTEM record and handed the values to VMS_IOCTL_SETIDENT, the ioctl
reserved for LOGINOUT authenticating an arbitrary user.
Follows the OPA0: precedent in vms_devtab.c (the executive creates the
fact itself, from constants it owns, before any process asks):
- VMS_SYSTEM_UIC ([1,4]) and VMS_PRV_M_SYSTEM_ALL (ALL) are new executive
constants in vms_internal.h, oracle-pinned to docs/oracle/vax73-authorize-
privilege.md's "owner UIC [1,4]" and OVMX's own default SYSUAF SYSTEM
record (PRIVILEGES=ALL).
- New ioctl VMS_IOCTL_ESTABLISH_SYSTEM / vms_ioctl_establish_system()
(vms_proctab.c) stamps that constant identity onto the caller. Unlike
VMS_IOCTL_SETIDENT, its args struct carries no username/uic/privs field
-- there is nothing for a caller to supply. Gated on capable(CAP_SYS_ADMIN),
the same real kernel credential vms_proc_register() already uses.
- vms_kif_establish_system() is the new libvmssys wrapper; added to all 7
SYS_VEC/harness copies (mk_vmssys_shr.sh + the 6 src/imgact/test/run_*
native-link harnesses).
- vms_init() announces the constant at module load, mirroring
vms_devtab_init()'s console announcement.
PROVISION.EXE (src/ovmx_provision/ovmx_provision.c) drops its
sysuaf_lookup("SYSTEM", ...) + vms_kif_setident() call in favor of
vms_kif_establish_system(); its vms_kif_getjpi_self() readback is
unchanged. The "no SYSTEM record" boot halt (#278) survives by riding
provision_home_directories()'s existing SYSUAF walk (already required for
home-directory provisioning) instead of a second, now-deleted read --
moved earlier in main() so it still fires before any identity is printed.
Tests:
- tests/integration/test_system_identity_no_sysuaf.sh (+_negctl.sh, 9/9
mutations caught): static gate proving the identity path is rewired,
not just relocated.
- tests/qemu/test_release_e2e.sh: new "poisoned_uic" case writes SYSTEM's
SYSUAF row with UIC [50,50]/PRIVILEGES=NONE and asserts the boot still
reports "SYSTEM [1,4] established by the executive" -- the ground-source
proof that SYSUAF content no longer feeds identity. norecord case's halt
message updated (no SYSTEM account / no session could authenticate) to
match the new source of the check, same functional guarantee.
Verified: vms.ko builds clean via src/kernel/Dockerfile; full CMake dev
build (BUILD_TOOLS=ON) succeeds containerized.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…tive-constructed SYSTEM identity The diagram still showed PROVISION.EXE reading SYSUAF's SYSTEM record and calling vms_kif_setident() on itself. Updated to vms_kif_establish_system() and the new source of the "no SYSTEM record" continuity check. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
test_system_identity_no_sysuaf.sh and its negctl pair follow the terminal_identity_gate / env_identity_census pattern already in this CMakeLists. Verified via a containerized Debug+BUILD_TESTS build: `ctest -R system_identity_no_sysuaf` -- 2/2 passed. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
…oisoned row CI caught this (PR #288): run_case()'s "the edited SYSTEM row is readable in-session" check hardcoded "SYSTEM|$HASH|1|4|", which every case except poisoned_uic legitimately writes. poisoned_uic deliberately writes "50|50" -- that's the whole point of the case -- so the hardcoded check failed even though the poison landed exactly as intended. Mechanical bug in the shared helper, not a defect in vms-a17e's design. Parameterized run_case() with a 5th "uic" arg (default "1|4", unchanged for every existing caller) used ONLY by that landed-in-file sanity check. poisoned_uic passes "50|50". Added the design clarification the fix surfaces: there are two identities in this boot, and vms-a17e touches only one. The STARTUP process (PROVISION.EXE) gets vms_kif_establish_system()'s executive CONSTANT, independent of SYSUAF by design. A real interactive SYSTEM/MANAGER login against the same poisoned row genuinely authenticates as UIC [50,50] through tools/vms_login.c (LOGINOUT), because LOGINOUT reading SYSUAF is correct, unmodified VMS behavior and exactly what this item's own goal statement asks for -- "LOGINOUT is SYSUAF's FIRST reader". So the fixed sanity check correctly expects [50,50] in the file; the SEPARATE "SYSTEM [1,4] established by the executive" assertion (proving the STARTUP process's identity is unaffected) is untouched and already passed on the first CI run. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Boot-faithfulness (parent vms-46c): vms.ko now constructs SYSTEM's identity (UIC [1,4] + priv mask) at module init following the OPA0: precedent in src/kernel/vms_devtab.c; PROVISION.EXE is a pure reader via vms_kif_getjpi_self() — PID 1 reads SYSUAF zero times. New QEMU gate + negctl assert executive-constructed identity + zero SYSUAF reads; architecture.md boot diagram updated. Opened by the conductor after the implementer stalled before gh pr create; CI boot gates (persistent-boot, norecord halt, SYSTEM-identity gate) are the authoritative proof.
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