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Code Issues Releases Wiki Activity

preen

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This commit is contained in:
J. Nick Koston
2025-09-19 15:56:21 -06:00
parent e721e8c203
commit 0919669fc6
1 changed files with 19 additions and 6 deletions
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25
esphome/espota2.py
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@@ -1,5 +1,6 @@
from __future__ import annotations
from collections.abc import Callable
import gzip
import hashlib
import io
@@ -55,6 +56,12 @@ UPLOAD_BUFFER_SIZE = UPLOAD_BLOCK_SIZE * 8
_LOGGER = logging.getLogger(__name__)
# Authentication method lookup table: response -> (hash_func, nonce_size, name)
_AUTH_METHODS: dict[int, tuple[Callable[[], Any], int, str]] = {
RESPONSE_REQUEST_SHA256_AUTH: (hashlib.sha256, 64, "SHA256"),
RESPONSE_REQUEST_AUTH: (hashlib.md5, 32, "MD5"),
}
class ProgressBar:
def __init__(self):
@@ -262,18 +269,24 @@ def perform_ota(
send_check(sock, result, "auth result")
receive_exactly(sock, 1, "auth result", RESPONSE_AUTH_OK)
# Authentication method lookup table
auth_methods = {
RESPONSE_REQUEST_SHA256_AUTH: (hashlib.sha256, 64, "SHA256"),
RESPONSE_REQUEST_AUTH: (hashlib.md5, 32, "MD5"),
}
(auth,) = receive_exactly(
sock,
1,
"auth",
[RESPONSE_REQUEST_AUTH, RESPONSE_REQUEST_SHA256_AUTH, RESPONSE_AUTH_OK],
)
if auth == RESPONSE_REQUEST_SHA256_AUTH:
# SHA256 authentication
perform_auth(sock, password, hashlib.sha256, 64, "SHA256")
elif auth == RESPONSE_REQUEST_AUTH:
# MD5 authentication (backward compatibility)
perform_auth(sock, password, hashlib.md5, 32, "MD5")
if auth in auth_methods:
hash_func, nonce_size, hash_name = auth_methods[auth]
perform_auth(sock, password, hash_func, nonce_size, hash_name)
elif auth != RESPONSE_AUTH_OK:
raise OTAError(f"Unknown authentication method requested: 0x{auth:02X}")
# Set higher timeout during upload
sock.settimeout(30.0)