From patchwork Mon Sep 16 13:28:11 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= X-Patchwork-Id: 829026 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 626F6157E6B for ; Mon, 16 Sep 2024 13:28:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726493314; cv=none; b=rBQcP5ZmMnPrUAe6u2JaMdB53jqK5J/DPT9HRIMQ5s9wTi08mQikXaVr4V+GhZw1mcINr55tiobm5pFawfUWtRff0nkamzx/ycL+Ve1AH7Xowm39p0mqh8HYMBe4t4CzeEEKQjVxTi6jRPthzXpjRNjwOL7DXci1hQtcksC+s4w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726493314; c=relaxed/simple; bh=+Of5tE2yu6nSxIrKUrCHTxJXNCCBaJhc/Haj3FftXuc=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=TuRmpAqKyc8xM1v+m0vKNMrlYVuApWH82dkPkA32eXWBdeC5QRMFsqEu1PDVr3Q4XFnvuheXqjPik4n0mI4kUghX2wk9HHjDrp3SE/PcL6qRC4aXtOvsoLb96jNUFVpsAk8CRdW8c8IDcQUK/yws/T2yTgHDhs5lwIquIS/QZVM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=k45/a0Yg; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="k45/a0Yg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1726493299; bh=+Of5tE2yu6nSxIrKUrCHTxJXNCCBaJhc/Haj3FftXuc=; h=From:To:Subject:Date:In-Reply-To:References:From; b=k45/a0YgMp1Y5IOBM1X/eOPzxD/gvhK5maYrYajm8iqffOHPOFkRrNBJXqLfJrPA7 w3WM+3N6282tuypPxC0WoGtCzN3+skle+IplEbglS2X0EcWPOhaqssIOBSwksPIGAf wxBAnHQQj8avO9bC4a3smK4biPvVUv6cyi5yZrNIVgl3Atl0ERdCTXqngX9FaOrrUY GS+/bce8dIshQaRTeFEptHCHyBSy2dPy08Q1vpZKaGXtOsHBJmjR8TxOg5sq3CyzOg IXb05dQPctqdlDD99+3tGR1qEwQtFfF+gOeoqpJNwrUgHlv5Kz+aeCRxNJdak7LPUj JSdJd8QX13mHg== Received: from fdanis-XPS-13-9370.. (67.227.121.78.rev.sfr.net [78.121.227.67]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: fdanis) by bali.collaboradmins.com (Postfix) with ESMTPSA id CAFE017E35CC for ; Mon, 16 Sep 2024 15:28:19 +0200 (CEST) From: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v3 7/9] obexd: Add GetImage to bip-avrcp Date: Mon, 16 Sep 2024 15:28:11 +0200 Message-Id: <20240916132813.165731-8-frederic.danis@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240916132813.165731-1-frederic.danis@collabora.com> References: <20240916132813.165731-1-frederic.danis@collabora.com> Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Retrieves the image corresponding to the handle and the description, as one of the descriptions retrieved by GetImageProperties, and store it in a local file. If the "transform" property description exists it should be set to one of the value listed by GetImageProperties for this description. --- obexd/client/bip-common.c | 21 ++++- obexd/client/bip-common.h | 5 ++ obexd/client/bip.c | 168 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 193 insertions(+), 1 deletion(-) diff --git a/obexd/client/bip-common.c b/obexd/client/bip-common.c index 9e96c81d8..613b52ceb 100644 --- a/obexd/client/bip-common.c +++ b/obexd/client/bip-common.c @@ -49,7 +49,7 @@ static const gchar *convBIP2IM(const gchar *encoding) return NULL; } -static gboolean parse_pixel_range(const gchar *dim, unsigned int *lower_ret, +gboolean parse_pixel_range(const gchar *dim, unsigned int *lower_ret, unsigned int *upper_ret, gboolean *fixed_ratio_ret) { @@ -139,6 +139,18 @@ char *transforms[] = { NULL }; +gboolean verify_encoding(const char *encoding) +{ + struct encconv_pair *et = encconv_table; + + while (et->bip) { + if (g_strcmp0(encoding, et->bip) == 0) + return TRUE; + et++; + } + return FALSE; +} + static gboolean verify_transform(const char *transform) { char **str = transforms; @@ -151,6 +163,13 @@ static gboolean verify_transform(const char *transform) return FALSE; } +char *parse_transform(const char *transform) +{ + if (!verify_transform(transform)) + return NULL; + return g_strdup(transform); +} + static char *parse_transform_list(const char *transform) { char **args = NULL, **arg = NULL; diff --git a/obexd/client/bip-common.h b/obexd/client/bip-common.h index 0fee54636..6e7aac375 100644 --- a/obexd/client/bip-common.h +++ b/obexd/client/bip-common.h @@ -13,6 +13,11 @@ struct prop_object; +gboolean parse_pixel_range(const gchar *dim, unsigned int *lower_ret, + unsigned int *upper_ret, + gboolean *fixed_ratio_ret); +gboolean verify_encoding(const char *encoding); +char *parse_transform(const char *transform); struct prop_object *parse_properties(char *data, unsigned int length, int *err); gboolean verify_properties(struct prop_object *obj); diff --git a/obexd/client/bip.c b/obexd/client/bip.c index 6e1fa642a..86df3f407 100644 --- a/obexd/client/bip.c +++ b/obexd/client/bip.c @@ -32,6 +32,14 @@ #define BIP_AVRCP_UUID "0000111A-0000-1000-8000-00805f9b34fb" #define IMG_HANDLE_TAG 0x30 +#define IMG_DESC_TAG 0x71 + +#define EOL_CHARS "\n" +#define IMG_DESC_BEGIN "" EOL_CHARS +#define IMG_BEGIN "" EOL_CHARS +#define IMG_DESC_END "" EOL_CHARS static DBusConnection *conn; @@ -175,11 +183,171 @@ fail: return reply; } +static gboolean parse_get_image_dict(DBusMessage *msg, char **path, + char **handle, char **pixel, + char **encoding, uint64_t *maxsize, + char **transform) +{ + DBusMessageIter iter, array; + + DBG(""); + + *path = NULL; + *handle = NULL; + *pixel = NULL; + *encoding = NULL; + *transform = NULL; + + dbus_message_iter_init(msg, &iter); + + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) + goto failed; + dbus_message_iter_get_basic(&iter, path); + *path = g_strdup(*path); + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) + goto failed; + dbus_message_iter_next(&iter); + dbus_message_iter_get_basic(&iter, handle); + *handle = g_strdup(*handle); + dbus_message_iter_next(&iter); + if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY) + goto failed; + + dbus_message_iter_recurse(&iter, &array); + + while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_DICT_ENTRY) { + DBusMessageIter entry, value; + const char *key, *val; + + dbus_message_iter_recurse(&array, &entry); + + if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING) + return FALSE; + dbus_message_iter_get_basic(&entry, &key); + dbus_message_iter_next(&entry); + dbus_message_iter_recurse(&entry, &value); + switch (dbus_message_iter_get_arg_type(&value)) { + case DBUS_TYPE_STRING: + dbus_message_iter_get_basic(&value, &val); + if (g_str_equal(key, "pixel")) { + if (!parse_pixel_range(val, NULL, NULL, NULL)) + goto failed; + *pixel = g_strdup(val); + } else if (g_str_equal(key, "encoding")) { + if (!verify_encoding(val)) + goto failed; + *encoding = g_strdup(val); + if (*encoding == NULL) + goto failed; + } else if (g_str_equal(key, "transformation")) { + *transform = parse_transform(val); + if (*transform == NULL) + goto failed; + } + break; + case DBUS_TYPE_UINT64: + if (g_str_equal(key, "maxsize") == TRUE) { + dbus_message_iter_get_basic(&value, maxsize); + if (*maxsize == 0) + goto failed; + } + break; + } + dbus_message_iter_next(&array); + } + + if (*pixel == NULL) + *pixel = strdup(""); + if (*encoding == NULL) + *encoding = strdup(""); + + DBG("pixel: '%s' encoding: '%s' maxsize: '%lu' transform: '%s'", + *pixel, *encoding, *maxsize, *transform + ); + + return TRUE; +failed: + g_free(*path); + g_free(*handle); + g_free(*pixel); + g_free(*encoding); + g_free(*transform); + return FALSE; +} + +static DBusMessage *get_image(DBusConnection *connection, + DBusMessage *message, void *user_data) +{ + struct bip_avrcp_data *bip_avrcp = user_data; + char *handle = NULL, *image_path = NULL, *transform = NULL, + *encoding = NULL, *pixel = NULL; + uint64_t maxsize; + struct obc_transfer *transfer; + GObexHeader *header; + DBusMessage *reply = NULL; + GString *descriptor = NULL; + GError *err = NULL; + + DBG(""); + + if (!parse_get_image_dict(message, &image_path, &handle, &pixel, + &encoding, &maxsize, &transform)) + return g_dbus_create_error(message, + ERROR_INTERFACE ".InvalidArguments", NULL); + + transfer = obc_transfer_get("x-bt/img-img", NULL, image_path, &err); + if (transfer == NULL) { + reply = g_dbus_create_error(message, ERROR_INTERFACE ".Failed", + "%s", + err->message); + g_error_free(err); + goto fail; + } + + header = g_obex_header_new_unicode(IMG_HANDLE_TAG, handle); + obc_transfer_add_header(transfer, header); + + descriptor = g_string_new(IMG_DESC_BEGIN); + g_string_append_printf(descriptor, IMG_BEGIN, encoding, pixel); + if (transform != NULL) + g_string_append_printf(descriptor, IMG_TRANSFORM, transform); + g_string_append(descriptor, IMG_END); + descriptor = g_string_append(descriptor, IMG_DESC_END); + header = g_obex_header_new_bytes(IMG_DESC_TAG, descriptor->str, + descriptor->len); + obc_transfer_add_header(transfer, header); + g_string_free(descriptor, TRUE); + + if (!obc_session_queue(bip_avrcp->session, transfer, NULL, NULL, + &err)) { + reply = g_dbus_create_error(message, ERROR_INTERFACE ".Failed", + "%s", + err->message); + g_error_free(err); + goto fail; + } + + reply = obc_transfer_create_dbus_reply(transfer, message); + +fail: + g_free(handle); + g_free(image_path); + g_free(transform); + g_free(encoding); + g_free(pixel); + return reply; +} + static const GDBusMethodTable bip_avrcp_methods[] = { { GDBUS_ASYNC_METHOD("GetImageProperties", GDBUS_ARGS({ "handle", "s"}), GDBUS_ARGS({ "properties", "aa{sv}" }), get_image_properties) }, + { GDBUS_ASYNC_METHOD("GetImage", + GDBUS_ARGS({ "file", "s" }, { "handle", "s"}, + {"properties", "a{sv}"}), + GDBUS_ARGS({ "transfer", "o" }, { "properties", "a{sv}" }), + get_image) }, { GDBUS_ASYNC_METHOD("GetImageThumbnail", GDBUS_ARGS({ "file", "s" }, { "handle", "s"}), GDBUS_ARGS({ "transfer", "o" }, { "properties", "a{sv}" }),