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(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 1B89617E3606 for ; Thu, 12 Sep 2024 19:49:29 +0200 (CEST) From: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v2 6/7] obexd: Add GetImage to bip-avrcp Date: Thu, 12 Sep 2024 19:49:20 +0200 Message-Id: <20240912174921.386856-7-frederic.danis@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240912174921.386856-1-frederic.danis@collabora.com> References: <20240912174921.386856-1-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-avrcp.c | 155 ++++++++++++++++++++++++++++++++++++++ obexd/client/bip-common.c | 21 +++++- obexd/client/bip-common.h | 5 ++ profiles/audio/avrcp.c | 10 ++- 4 files changed, 186 insertions(+), 5 deletions(-) diff --git a/obexd/client/bip-avrcp.c b/obexd/client/bip-avrcp.c index 272a288b4..8f00ddf8d 100644 --- a/obexd/client/bip-avrcp.c +++ b/obexd/client/bip-avrcp.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 +183,158 @@ 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) + 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)) + goto fail; + + return obc_transfer_create_dbus_reply(transfer, message); + +fail: + reply = g_dbus_create_error(message, ERROR_INTERFACE ".Failed", "%s", + err->message); + g_error_free(err); + 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}" }), diff --git a/obexd/client/bip-common.c b/obexd/client/bip-common.c index b93921df5..16a199977 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/profiles/audio/avrcp.c b/profiles/audio/avrcp.c index fe24b5a92..ee750f50b 100644 --- a/profiles/audio/avrcp.c +++ b/profiles/audio/avrcp.c @@ -415,10 +415,12 @@ static sdp_record_t *avrcp_ct_record(bool browsing) uint16_t lp = AVCTP_CONTROL_PSM; uint16_t avctp_ver = 0x0103; uint16_t feat = ( AVRCP_FEATURE_CATEGORY_1 | - AVRCP_FEATURE_CATEGORY_2 | - AVRCP_FEATURE_CATEGORY_3 | - AVRCP_FEATURE_CATEGORY_4 | - AVRCP_FEATURE_CT_GET_THUMBNAIL); + AVRCP_FEATURE_CATEGORY_2 | + AVRCP_FEATURE_CATEGORY_3 | + AVRCP_FEATURE_CATEGORY_4 | + AVRCP_FEATURE_CT_GET_IMAGE_PROP | + AVRCP_FEATURE_CT_GET_IMAGE | + AVRCP_FEATURE_CT_GET_THUMBNAIL); record = sdp_record_alloc(); if (!record)