fix chall itoid
This commit is contained in:
Rayhan Hanaputra
@@ -205,61 +205,61 @@ class Blogpost(Challenge):
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self.logger.error(f" ✗ View post failed: {e}")
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return False
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# # 6) Verify the uploaded image is accessible and check metadata
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# self.logger.info("[7/7] Verifying uploaded image and metadata ...")
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# try:
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# # Find something like /uploads/<sha256>.png (or .jpg/.jpeg/.bmp)
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# m = re.search(r'/uploads/([A-Za-z0-9_.-]+\.(?:png|jpg|jpeg|bmp))', vp.text, flags=re.IGNORECASE)
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# assert m, "No uploaded image link found on post page"
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# image_name = m.group(1)
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# self.logger.info(f" → Found image: {image_name}")
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# 6) Verify the uploaded image is accessible and check metadata
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self.logger.info("[7/7] Verifying uploaded image and metadata ...")
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try:
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# Find something like /uploads/<sha256>.png (or .jpg/.jpeg/.bmp)
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m = re.search(r'/uploads/([A-Za-z0-9_.-]+\.(?:png|jpg|jpeg|bmp))', vp.text, flags=re.IGNORECASE)
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assert m, "No uploaded image link found on post page"
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image_name = m.group(1)
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self.logger.info(f" → Found image: {image_name}")
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# # Verify the image itself is accessible
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# img_url = base_url + f"/uploads/{image_name}"
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# img_r = s.get(img_url, timeout=10)
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# assert img_r.status_code == 200, f"Image file HTTP {img_r.status_code}"
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# assert len(img_r.content) > 0, "Image file is empty"
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# self.logger.info(" ✓ Uploaded image accessible")
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# Verify the image itself is accessible
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img_url = base_url + f"/uploads/{image_name}"
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img_r = s.get(img_url, timeout=10)
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assert img_r.status_code == 200, f"Image file HTTP {img_r.status_code}"
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assert len(img_r.content) > 0, "Image file is empty"
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self.logger.info(" ✓ Uploaded image accessible")
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# # Check if metadata file exists
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# meta_url = base_url + f"/uploads/{image_name}.meta"
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# self.logger.info(f" → Trying metadata at: {meta_url}")
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# mr = s.get(meta_url, timeout=10)
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# if mr.status_code == 200:
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# meta_text = mr.text.strip()
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# if any(tag in meta_text for tag in self._exif_markers):
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# self.logger.info(" ✓ Exif metadata present and readable")
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# else:
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# self.logger.warning(f" ⚠ Metadata file exists but doesn't look like ExifTool output")
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# else:
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# # Try without .meta extension, maybe it's embedded or stored differently
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# self.logger.warning(f" ⚠ Metadata file returned HTTP {mr.status_code}")
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# # Non-fatal - as long as upload/display works
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# except Exception as e:
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# self.logger.error(f" ✗ Upload verification failed: {e}")
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# return False
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# Check if metadata file exists
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meta_url = base_url + f"/uploads/{image_name}.meta"
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self.logger.info(f" → Trying metadata at: {meta_url}")
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mr = s.get(meta_url, timeout=10)
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if mr.status_code == 200:
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meta_text = mr.text.strip()
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if any(tag in meta_text for tag in self._exif_markers):
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self.logger.info(" ✓ Exif metadata present and readable")
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else:
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self.logger.warning(f" ⚠ Metadata file exists but doesn't look like ExifTool output")
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else:
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# Try without .meta extension, maybe it's embedded or stored differently
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self.logger.warning(f" ⚠ Metadata file returned HTTP {mr.status_code}")
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# Non-fatal - as long as upload/display works
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except Exception as e:
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self.logger.error(f" ✗ Upload verification failed: {e}")
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return False
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# # 7) Flag existence in container (do not fail SLA if only host copy exists but container is missing—treat as warning or policy-driven)
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# try:
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# proc = self._docker_exec(["/bin/sh", "-lc", f"test -f {self.container_flag_path} && cat {self.container_flag_path} || echo __MISSING__"])
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# out = (proc.stdout or "").strip()
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# if "__MISSING__" in out or proc.returncode not in (0,):
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# self.logger.warning("⚠ Flag file missing inside container")
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# else:
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# self.logger.info(" ✓ Container flag present")
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# # Optional: compare with host flag if present
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# try:
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# with open(self.flag_location, "r") as f:
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# host_flag = f.read().strip()
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# if host_flag and host_flag == out:
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# self.logger.info(" ✓ Host and container flags match")
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# else:
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# self.logger.warning("⚠ Host/container flag mismatch (may be expected if rotated separately)")
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# except FileNotFoundError:
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# self.logger.warning("⚠ Host flag not found; skipping comparison")
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# except Exception as e:
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# # Non-fatal: you can tune this to fail the round if flag is mandatory.
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# self.logger.warning(f"Flag existence check encountered an issue: {e}")
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# 7) Flag existence in container (do not fail SLA if only host copy exists but container is missing—treat as warning or policy-driven)
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try:
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proc = self._docker_exec(["/bin/sh", "-lc", f"test -f {self.container_flag_path} && cat {self.container_flag_path} || echo __MISSING__"])
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out = (proc.stdout or "").strip()
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if "__MISSING__" in out or proc.returncode not in (0,):
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self.logger.warning("⚠ Flag file missing inside container")
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else:
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self.logger.info(" ✓ Container flag present")
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# Optional: compare with host flag if present
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try:
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with open(self.flag_location, "r") as f:
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host_flag = f.read().strip()
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if host_flag and host_flag == out:
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self.logger.info(" ✓ Host and container flags match")
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else:
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self.logger.warning("⚠ Host/container flag mismatch (may be expected if rotated separately)")
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except FileNotFoundError:
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self.logger.warning("⚠ Host flag not found; skipping comparison")
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except Exception as e:
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# Non-fatal: you can tune this to fail the round if flag is mandatory.
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self.logger.warning(f"Flag existence check encountered an issue: {e}")
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self.logger.info("SLA check passed ✅")
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return True
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@@ -17,22 +17,26 @@ while True:
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print("2. bingo")
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print("3. decrypt")
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print("4. key?")
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try:
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inp = int(input("> "))
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except (ValueError, EOFError):
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print("Invalid input")
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continue
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if inp == 1:
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print("pt (hex)")
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try:
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inp = input("> ")
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ct = cipher.encrypt(int(inp, 16))
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print('ct : ', '{0:x}'.format(ct))
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except (ValueError, EOFError):
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print("Invalid hex input")
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elif inp == 2:
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print("key (hex)")
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user_hex = input("> ").strip()
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try:
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user_hex = input("> ").strip()
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user_key = bytes.fromhex(user_hex)
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except Exception:
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print("nope")
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continue
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if len(user_key) == 66 and user_key == key:
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try:
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@@ -41,16 +45,24 @@ while True:
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print(flag_bytes.hex())
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else:
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print("nope")
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except (ValueError, EOFError):
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print("nope")
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elif inp == 3:
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print("ct (hex)")
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try:
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inp = input("> ")
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pt = cipher.decrypt(int(inp, 16))
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print('pt : ', '{0:x}'.format(pt))
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except (ValueError, EOFError):
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print("Invalid hex input")
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elif inp == 4:
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try:
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ct = cipher.encrypt(key_int)
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print('ct : ', '{0:x}'.format(ct))
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except Exception:
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print("Encryption error")
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else:
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exit()
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