code wiki / _hdl_build / nx_cms_draft_gate.nx
`nx_cms_draft_gate.nx` source

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1// nx_cms_draft_gate.nx -- CMS C9 GATE (re-runnable, evidence-driven): draft-preview mode over real
2// HTTP against the real admin daemon. Proves the TEAM-AUTHORED _pe_draft lifecycle at the wire:
3// publish/discard with no draft are REFUSED 409 (the table's absent transitions), a saved draft
4// never touches the public page, preview is session-only and sanitized, promote goes live atomically,
5// discard leaves the publish intact. Appends "CMSGATE row=nx_cms_draft ... verdict=PASS|FAIL" to
6// knowledge/status/cms_gate.log (the Warden board's C9 evidence row). Exit 0 iff all rows pass.
7// license_tier: ORIGINAL
8import "nx_cms_store.nx"
9import "nx_connect.nx"   // bounded connect: a raw sys_connect hangs ~127s on a black-holed host
10import "nx_sha256.nx"
11import "nx_syscalls.nx"
12import "_hdl_build/nx_kill_portable.nx"
13
14const CD_PORT: i64 = 8081
15const CD_SITE: *u8 = "/tmp/_cms_draft_site"
16
17func cd_w(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} sys_write(1,s,n); return 0 }
18func cd_len(s: *u8) -> i64 { var n: i64=0; while s[n]!=(0 as u8){n=n+1} return n }
19func cd_cat(dst: *u8, off: i64, s: *u8) -> i64 {
  var o: i64 = off
  var k: i64 = 0
  while s[k] != (0 as u8) { dst[o] = s[k]; o = o + 1; k = k + 1 }
  return o
24}
25func cd_catn(dst: *u8, off: i64, s: *u8, n: i64) -> i64 {
  var o: i64 = off
  var k: i64 = 0
  while k < n { dst[o] = s[k]; o = o + 1; k = k + 1 }
  return o
30}
31func cd_index(hay: *u8, n: i64, needle: *u8) -> i64 {
  let nl: i64 = cd_len(needle)
  var i: i64 = 0
  while i + nl <= n {
      var q: i64 = 0
      var ok: i64 = 1
      while q < nl { if (hay[i+q] as i64) != (needle[q] as i64) { ok = 0; q = nl } q = q + 1 }
      if ok == 1 { return i }
      i = i + 1
  }
  return 0 - 1
42}
43func cd_has(hay: *u8, n: i64, needle: *u8) -> i64 { if cd_index(hay, n, needle) >= 0 { return 1 } return 0 }
44
45func cd_http(req: *u8, rl: i64, resp: *u8, cap: i64) -> i64 {
  let fd: i64 = sys_socket(2, 1, 0)
  if fd < 0 { return 0 - 1 }
  let addr: *u8 = sys_mmap(16)
  addr[0] = 2 as u8; addr[1] = 0 as u8
  addr[2] = ((CD_PORT >> 8) & 0xff) as u8
  addr[3] = (CD_PORT & 0xff) as u8
  addr[4] = 127 as u8; addr[5] = 0 as u8; addr[6] = 0 as u8; addr[7] = 1 as u8
  var zi: i64 = 8
  while zi < 16 { addr[zi] = 0 as u8; zi = zi + 1 }
  if nx_connect_bounded(fd, addr, 16, NX_CONN_DEFAULT_MS) < 0 { sys_close(fd); return 0 - 1 }
  var off: i64 = 0
  var go: i64 = 1
  while go == 1 {
      go = 0
      if off < rl {
          let w: i64 = sys_write(fd, (req + off) as *u8, rl - off)
          if w > 0 { off = off + w; go = 1 }
      }
  }
  sys_set_socket_timeout(fd, 10)
  var total: i64 = 0
  go = 1
  while go == 1 {
      go = 0
      if total < cap {
          let r: i64 = sys_read(fd, (resp + total) as *u8, cap - total)
          if r > 0 { total = total + r; go = 1 }
      }
  }
  sys_close(fd)
  return total
77}
78
79func cd_post(req: *u8, path: *u8, cookie: *u8, body: *u8) -> i64 {
  var o: i64 = cd_cat(req, 0, "POST " as *u8)
  o = cd_cat(req, o, path)
  o = cd_cat(req, o, " HTTP/1.1\r\nHost: gate\r\nContent-Type: application/x-www-form-urlencoded\r\n" as *u8)
  if (cookie[0] as i64) != 0 {
      o = cd_cat(req, o, "Cookie: nsess=" as *u8)
      o = cd_catn(req, o, cookie, 32)
      o = cd_cat(req, o, "\r\n" as *u8)
  }
  o = cd_cat(req, o, "Content-Length: " as *u8)
  let bl: i64 = cd_len(body)
  let t: *u8 = sys_mmap(24)
  var m: i64 = bl
  var k: i64 = 0
  if m == 0 { t[0] = 48 as u8; k = 1 }
  while m > 0 { t[k] = (48 + (m % 10)) as u8; m = m / 10; k = k + 1 }
  var i: i64 = 0
  while i < k { req[o] = t[k-1-i]; o = o + 1; i = i + 1 }
  o = cd_cat(req, o, "\r\n\r\n" as *u8)
  o = cd_cat(req, o, body)
  return o
100}
101func cd_get(req: *u8, path: *u8, cookie: *u8) -> i64 {
  var o: i64 = cd_cat(req, 0, "GET " as *u8)
  o = cd_cat(req, o, path)
  o = cd_cat(req, o, " HTTP/1.1\r\nHost: gate\r\n" as *u8)
  if (cookie[0] as i64) != 0 {
      o = cd_cat(req, o, "Cookie: nsess=" as *u8)
      o = cd_catn(req, o, cookie, 32)
      o = cd_cat(req, o, "\r\n" as *u8)
  }
  o = cd_cat(req, o, "\r\n" as *u8)
  return o
112}
113
114func cd_row(id: i64, ok: i64, what: *u8) -> i64 {
  cd_w("DRAFTROW " as *u8)
  let d: *u8 = sys_mmap(8); d[0] = (48 + id/10) as u8; d[1] = (48 + id%10) as u8; d[2] = 32 as u8; d[3] = 0 as u8
  cd_w(d)
  if ok == 1 { cd_w("PASS " as *u8) }
  if ok == 0 { cd_w("FAIL " as *u8) }
  cd_w(what); cd_w("\n" as *u8)
  return ok
122}
123
124func cd_mkdir(path: *u8, mode: i64) -> i64 {
  let nb: *i64 = sys_mmap(8) as *i64
  nb[0] = 258                      // x86_64 mkdirat (runtime-computed escape hatch)
  return __syscall(nb[0], 0 - 100, path, mode, 0, 0, 0)
128}
129
130func main() -> i64 {
  // ---- fresh gate site (stale draft state from prior runs is set aside, never trusted) ----
  cd_mkdir(CD_SITE, 0x1ed)
  cst_copy("knowledge/cms/andelinwest/template.html" as *u8, "/tmp/_cms_draft_site/template.html" as *u8)
  cst_copy("knowledge/cms/andelinwest/content.txt" as *u8, "/tmp/_cms_draft_site/content.txt" as *u8)
  sys_renameat("/tmp/_cms_draft_site/draft.txt" as *u8, "/tmp/_cms_draft_site/draft.stale" as *u8)
  let dig: *u8 = sys_mmap(32)
  sha256_digest("draft-gate-pw-1" as *u8, 15, dig)
  let hexs: *u8 = sys_mmap(80)
  let hxc: *u8 = "0123456789abcdef" as *u8
  var i: i64 = 0
  while i < 32 {
      hexs[i*2] = hxc[((dig[i] as i64) >> 4) & 15]
      hexs[i*2+1] = hxc[(dig[i] as i64) & 15]
      i = i + 1
  }
  let pf: i64 = sys_openat_wr("/tmp/_cms_draft_site/admin_pw.sha256" as *u8, 0x1a4)
  sys_write(pf, hexs, 64)
  sys_close(pf)
149
  // ---- rebuild the admin sovereignly (prove-all: /tmp contested) ----
  let bpid: i64 = sys_fork()
  if bpid == 0 {
      let dn: i64 = sys_openat_wr("/dev/null" as *u8, 0x1a4)
      if dn >= 0 { sys_dup3(dn, 1, 0); sys_dup3(dn, 2, 0) }
      let bargv: *i64 = sys_mmap(32) as *i64
      bargv[0] = "_offc/nx_sov_build_run.elf" as *u8 as i64
      bargv[1] = "nx_cms_admin" as *u8 as i64
      bargv[2] = 0
      let benvp: *i64 = sys_mmap(16) as *i64
      benvp[0] = 0
      sys_execve("_offc/nx_sov_build_run.elf" as *u8, bargv, benvp); sys_exit(127)
  }
  let bst: *i64 = sys_mmap(16) as *i64
  sys_wait4(bpid, bst, 0)
  // CALLER-GAP FIX 2026-08-01 (seq1267 class): the runner emits buildroot/_build/<t>.sov.elf under
  // the no-/tmp doctrine while this probed /tmp. Proven by control: _build copy 208962B, /tmp absent.
  var bchk: i64 = sys_openat_rd("buildroot/_build/nx_cms_admin.sov.elf" as *u8)
  var badm: *u8 = "buildroot/_build/nx_cms_admin.sov.elf" as *u8
  if bchk < 0 { bchk = sys_openat_rd("/tmp/nx_cms_admin.sov.elf" as *u8); badm = "/tmp/nx_cms_admin.sov.elf" as *u8 }
  if bchk < 0 { cd_w("CMSGATE row=nx_cms_draft ADMIN-BUILD-MISSING (probed buildroot/_build AND /tmp)\n" as *u8); sys_exit(1) }
  sys_close(bchk)
172
  // ---- boot ----
  let pid: i64 = sys_fork()
  if pid == 0 {
      let lg: i64 = sys_openat_wr("/tmp/_cms_admin_draft_gate.log" as *u8, 0x1a4)
      if lg >= 0 { sys_dup3(lg, 1, 0); sys_dup3(lg, 2, 0) }
      let argvv: *i64 = sys_mmap(8*6) as *i64
      argvv[0] = badm as i64
      argvv[1] = "8081" as *u8 as i64
      argvv[2] = CD_SITE as i64
      argvv[3] = "99" as *u8 as i64
      argvv[4] = 0
      let envp: *i64 = sys_mmap(16) as *i64
      envp[0] = 0
      sys_execve(badm, argvv, envp)
      sys_exit(127)
  }
189
  let req: *u8 = sys_mmap(262144)
  let resp: *u8 = sys_mmap(524288)
  let nocookie: *u8 = sys_mmap(8)
  nocookie[0] = 0 as u8
  let sess: *u8 = sys_mmap(64)
  sess[0] = 0 as u8
  let csrf: *u8 = sys_mmap(64)
  csrf[0] = 0 as u8
198
  // D0: boot-poll + seed serves
  var rn: i64 = 0 - 1
  var tries: i64 = 0
  while tries < 50 {
      let rl0: i64 = cd_get(req, "/" as *u8, nocookie)
      rn = cd_http(req, rl0, resp, 524287)
      if rn > 0 { tries = 50 }
      if rn <= 0 { sys_sleep_ms(100); tries = tries + 1 }
  }
  var pass: i64 = 0
  var rows: i64 = 0
  var ok: i64 = 0
  if rn > 0 { if cd_has(resp, rn, "200 OK" as *u8) == 1 { if cd_has(resp, rn, "Andelin West Law" as *u8) == 1 { ok = 1 } } }
  rows = rows + 1; pass = pass + cd_row(0, ok, "seed render serves GET /" as *u8)
213
  // D1: login -> session
  var rl: i64 = cd_post(req, "/admin/login" as *u8, nocookie, "pw=draft-gate-pw-1" as *u8)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "303" as *u8) == 1 {
      let sp: i64 = cd_index(resp, rn, "nsess=" as *u8)
      if sp >= 0 {
          var m2: i64 = 0
          while m2 < 32 { sess[m2] = resp[sp+6+m2]; m2 = m2 + 1 }
          sess[32] = 0 as u8
          ok = 1
      }
  } }
  rows = rows + 1; pass = pass + cd_row(1, ok, "login issues session" as *u8)
228
  // D2: editor shows the draft controls + csrf
  rl = cd_get(req, "/admin" as *u8, sess)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "Publish pending draft" as *u8) == 1 { if cd_has(resp, rn, "Save as draft" as *u8) == 1 {
      let cp: i64 = cd_index(resp, rn, "name=\"csrf\" value=\"" as *u8)
      if cp >= 0 {
          var m3: i64 = 0
          while m3 < 32 { csrf[m3] = resp[cp+19+m3]; m3 = m3 + 1 }
          csrf[32] = 0 as u8
          ok = 1
      }
  } } }
  rows = rows + 1; pass = pass + cd_row(2, ok, "editor shows draft controls + csrf" as *u8)
243
  // D3: publish with NO draft -> 409 (the team table's absent transition, refused at the wire)
  let bodyp: *u8 = sys_mmap(256)
  var bp: i64 = cd_cat(bodyp, 0, "csrf=" as *u8)
  bp = cd_catn(bodyp, bp, csrf, 32)
  bodyp[bp] = 0 as u8
  rl = cd_post(req, "/admin/publish" as *u8, sess, bodyp)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "409" as *u8) == 1 { ok = 1 } }
  rows = rows + 1; pass = pass + cd_row(3, ok, "publish with no draft refused 409" as *u8)
254
  // D4: discard with NO draft -> 409
  rl = cd_post(req, "/admin/discard" as *u8, sess, bodyp)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "409" as *u8) == 1 { ok = 1 } }
  rows = rows + 1; pass = pass + cd_row(4, ok, "discard with no draft refused 409" as *u8)
261
  // D5: save mode=draft (with injected script) -> 303 AND public page UNCHANGED
  let body5: *u8 = sys_mmap(4096)
  var b5: i64 = cd_cat(body5, 0, "csrf=" as *u8)
  b5 = cd_catn(body5, b5, csrf, 32)
  b5 = cd_cat(body5, b5, "&mode=draft&hero_title=Draft+Headline+Pending&note_html=%3Cscript%3Ealert%282%29%3C%2Fscript%3E%3Ci%3EDraft+note.%3C%2Fi%3E" as *u8)
  body5[b5] = 0 as u8
  rl = cd_post(req, "/admin/save" as *u8, sess, body5)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "303" as *u8) == 1 {
      let rl5: i64 = cd_get(req, "/" as *u8, nocookie)
      let rn5: i64 = cd_http(req, rl5, resp, 524287)
      if rn5 > 0 { if cd_has(resp, rn5, "Draft Headline Pending" as *u8) == 0 { if cd_has(resp, rn5, "Andelin West Law" as *u8) == 1 { ok = 1 } } }
  } }
  rows = rows + 1; pass = pass + cd_row(5, ok, "draft saved 303 + public page UNTOUCHED" as *u8)
277
  // D6: authed preview shows the draft, sanitized
  rl = cd_get(req, "/admin/preview" as *u8, sess)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "200 OK" as *u8) == 1 { if cd_has(resp, rn, "Draft Headline Pending" as *u8) == 1 { if cd_has(resp, rn, "<i>Draft note.</i>" as *u8) == 1 { if cd_has(resp, rn, "<script" as *u8) == 0 { ok = 1 } } } } }
  rows = rows + 1; pass = pass + cd_row(6, ok, "authed preview shows draft, XSS sanitized" as *u8)
284
  // D7: unauthed preview refused (no draft leak before publish)
  rl = cd_get(req, "/admin/preview" as *u8, nocookie)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "403" as *u8) == 1 { if cd_has(resp, rn, "Draft Headline Pending" as *u8) == 0 { ok = 1 } } }
  rows = rows + 1; pass = pass + cd_row(7, ok, "unauthed preview refused 403" as *u8)
291
  // D8: publish the draft -> live
  rl = cd_post(req, "/admin/publish" as *u8, sess, bodyp)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "303" as *u8) == 1 {
      let rl8: i64 = cd_get(req, "/" as *u8, nocookie)
      let rn8: i64 = cd_http(req, rl8, resp, 524287)
      if rn8 > 0 { if cd_has(resp, rn8, "Draft Headline Pending" as *u8) == 1 { ok = 1 } }
  } }
  rows = rows + 1; pass = pass + cd_row(8, ok, "publish promotes draft to the live page" as *u8)
302
  // D9: second draft then discard -> publish intact, preview gone
  let body9: *u8 = sys_mmap(4096)
  var b9: i64 = cd_cat(body9, 0, "csrf=" as *u8)
  b9 = cd_catn(body9, b9, csrf, 32)
  b9 = cd_cat(body9, b9, "&mode=draft&hero_title=Second+Draft+Marker" as *u8)
  body9[b9] = 0 as u8
  rl = cd_post(req, "/admin/save" as *u8, sess, body9)
  rn = cd_http(req, rl, resp, 524287)
  ok = 0
  if rn > 0 { if cd_has(resp, rn, "303" as *u8) == 1 {
      rl = cd_post(req, "/admin/discard" as *u8, sess, bodyp)
      rn = cd_http(req, rl, resp, 524287)
      if rn > 0 { if cd_has(resp, rn, "303" as *u8) == 1 {
          let rl9: i64 = cd_get(req, "/" as *u8, nocookie)
          let rn9: i64 = cd_http(req, rl9, resp, 524287)
          var pubok: i64 = 0
          if rn9 > 0 { if cd_has(resp, rn9, "Second Draft Marker" as *u8) == 0 { if cd_has(resp, rn9, "Draft Headline Pending" as *u8) == 1 { pubok = 1 } } }
          let rlA: i64 = cd_get(req, "/admin/preview" as *u8, sess)
          let rnA: i64 = cd_http(req, rlA, resp, 524287)
          if rnA > 0 { if cd_has(resp, rnA, "404" as *u8) == 1 { if pubok == 1 { ok = 1 } } }
      } }
  } }
  rows = rows + 1; pass = pass + cd_row(9, ok, "discard sets draft aside; publish intact; preview 404" as *u8)
326
  // ---- teardown ----
  nxk_kill(pid, 9)
  let stbuf: *i64 = sys_mmap(16) as *i64
  sys_wait4(pid, stbuf, 0)
331
  var verdict: *u8 = "FAIL" as *u8
  if pass == rows { verdict = "PASS" as *u8 }
  let line: *u8 = sys_mmap(512)
  var lo: i64 = cd_cat(line, 0, "CMSGATE row=nx_cms_draft rows=" as *u8)
  let t2: *u8 = sys_mmap(24)
  var mm: i64 = rows
  var kk: i64 = 0
  if mm == 0 { t2[0] = 48 as u8; kk = 1 }
  while mm > 0 { t2[kk] = (48 + (mm % 10)) as u8; mm = mm / 10; kk = kk + 1 }
  var ii: i64 = 0
  while ii < kk { line[lo] = t2[kk-1-ii]; lo = lo + 1; ii = ii + 1 }
  lo = cd_cat(line, lo, " pass=" as *u8)
  mm = pass; kk = 0
  if mm == 0 { t2[0] = 48 as u8; kk = 1 }
  while mm > 0 { t2[kk] = (48 + (mm % 10)) as u8; mm = mm / 10; kk = kk + 1 }
  ii = 0
  while ii < kk { line[lo] = t2[kk-1-ii]; lo = lo + 1; ii = ii + 1 }
  lo = cd_cat(line, lo, " verdict=" as *u8)
  lo = cd_cat(line, lo, verdict)
  lo = cd_cat(line, lo, " epoch=" as *u8)
  mm = sys_now_realtime_sec(); kk = 0
  if mm == 0 { t2[0] = 48 as u8; kk = 1 }
  while mm > 0 { t2[kk] = (48 + (mm % 10)) as u8; mm = mm / 10; kk = kk + 1 }
  ii = 0
  while ii < kk { line[lo] = t2[kk-1-ii]; lo = lo + 1; ii = ii + 1 }
  line[lo] = 10 as u8
  lo = lo + 1
  sys_write(1, line, lo)
  let gf: i64 = sys_openat_append("knowledge/status/cms_gate.log" as *u8, 0x1a4)
  if gf >= 0 { sys_write(gf, line, lo); sys_close(gf) }
  if pass == rows { sys_exit(0) }
  sys_exit(1)
  return 1
365}
nx_cms_draft_gate.nx source

`nx_cms_draft_gate.nx` source
