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Merge branch 'feat/delete_content_length_header_with_transfer_encoding_v5.5' into 'release/v5.5'

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fix(esp_http_client): delete Content-Length header when using Transfer-Encoding (v5.5)

See merge request espressif/esp-idf!46684
This commit is contained in:
Mahavir Jain
2026-03-30 10:24:41 +05:30
parent 4322004453 da9b3ce548
commit 4740271d8a
1 changed files with 7 additions and 0 deletions
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components/esp_http_client/esp_http_client.c
+7
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@@ -1641,6 +1641,7 @@ static int http_client_prepare_first_line(esp_http_client_handle_t client, int w
const bool length_required = (client->connection_info.method != HTTP_METHOD_GET &&
client->connection_info.method != HTTP_METHOD_HEAD &&
client->connection_info.method != HTTP_METHOD_DELETE);
http_header_delete(client->request->headers, "Transfer-Encoding");
if (write_len != 0 || length_required) {
http_header_set_format(client->request->headers, "Content-Length", "%d", write_len);
} else {
@@ -1648,6 +1649,12 @@ static int http_client_prepare_first_line(esp_http_client_handle_t client, int w
}
} else {
esp_http_client_set_header(client, "Transfer-Encoding", "chunked");
/*
* RFC 9112, §6.2 (https://datatracker.ietf.org/doc/html/rfc9112#section-6.2-2)
* RFC 7230, §3.3.2 (https://www.rfc-editor.org/rfc/rfc7230.html#section-3.3.2)
* A sender MUST NOT send a Content-Length header field in any message that contains a Transfer-Encoding header field.
*/
http_header_delete(client->request->headers, "Content-Length");
}
const char *method = HTTP_METHOD_MAPPING[client->connection_info.method];