From patchwork Thu Sep 12 17:49:19 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: 828304 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 E57AD1BFE15 for ; Thu, 12 Sep 2024 17:49:32 +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=1726163375; cv=none; b=i+U839vhiGWUmWl4f8YdLomiZYlXQO17Lu89PNZt134zb0SG+8ZZMb4SQ+qQAo1W4jDYbectx1VEjNgQOZ4/Oj3DzVQhfPOGpAAN1ZUGO4R+9mNxKFppEDd3AecKimUMiztUkdi12WbOdac9cAmtIyCGx0pu1fKyuWmu0BKd6rE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726163375; c=relaxed/simple; bh=oKWtK8Z6sNoLupnUuYP+1JyaAv5bECF92ClMn7KLfhg=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=XPzwtp/Ws0hIwVsjCtp969bBJarkDifi6m9GqJbKdT+dFDM0T914qWycEsUgka2P/YYRYIQqNJucQ2kS5KyFI+5AqbvzNffwA+sDWiEolz294gbR1HN5BSX3RcJdkd2KX/7cVnfV8EaXGnW5h3gJ2D90VJEX/8ICNbb5usAWxlM= 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=BCi2uca9; 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="BCi2uca9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1726163368; bh=oKWtK8Z6sNoLupnUuYP+1JyaAv5bECF92ClMn7KLfhg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=BCi2uca9OR6ufE2BUhi4XsNTnn6ER/6FjvgWC8PHBCv1AsWizFYpmIIf5EWW9ptTf yVFRhS3R0FuLcNxA/0t/dimIIubsojI5XsUqW3thTCR4zaUH/jlZeEgWp4gT8cNHG0 u2tqvsVInNEnBHB0d7ehIU8Oc+mFiSBLujmSrHD7gVAiwywQRf2kN3KILEhwWP3z0w 9L6639ad4/tvR0zoEB2WljKtnssWvzmdbKfK/VgTrjeW5LE2Y4I9lvYwOXrhh4Lid+ ZvJcoXIr72KtqZbvd97HZ+0gPzhktThRoDN4cNfs0lqaXHyskGkyPddTYO5eLaLU9u WOyOsqeWdPKOg== 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 C7B8417E3605 for ; Thu, 12 Sep 2024 19:49:28 +0200 (CEST) From: =?utf-8?q?Fr=C3=A9d=C3=A9ric_Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v2 5/7] obexd: Add GetImageProperties to bip-avrcp Date: Thu, 12 Sep 2024 19:49:19 +0200 Message-Id: <20240912174921.386856-6-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 This allows to get the different version of the image provided by the remote device to chose the one to use with GetImage. This bip-common.[ch] files are based on previous work done by Jakub Adamek for GSoC 2011, see [1] and [2]. [1] https://www.bluez.org/gsoc-basic-image-profilebip/ [2] https://github.com/enkait/Basic-Imaging-Profile-in-obexd/blob/gsoc_final/plugins/bip_util.c --- v1 -> v2: Parse integer properties as integer instead of string Return GetImageProperties values as aa{sv} instead of aa{ss} Makefile.obexd | 1 + obexd/client/bip-avrcp.c | 101 +++++ obexd/client/bip-common.c | 781 ++++++++++++++++++++++++++++++++++++++ obexd/client/bip-common.h | 19 + 4 files changed, 902 insertions(+) create mode 100644 obexd/client/bip-common.c create mode 100644 obexd/client/bip-common.h diff --git a/Makefile.obexd b/Makefile.obexd index 8038d2327..2e9689dea 100644 --- a/Makefile.obexd +++ b/Makefile.obexd @@ -82,6 +82,7 @@ obexd_src_obexd_SOURCES = $(btio_sources) $(gobex_sources) \ obexd/client/opp.h obexd/client/opp.c \ obexd/client/map.h obexd/client/map.c \ obexd/client/bip-avrcp.h obexd/client/bip-avrcp.c \ + obexd/client/bip-common.h obexd/client/bip-common.c \ obexd/client/map-event.h obexd/client/map-event.c \ obexd/client/transfer.h obexd/client/transfer.c \ obexd/client/transport.h obexd/client/transport.c \ diff --git a/obexd/client/bip-avrcp.c b/obexd/client/bip-avrcp.c index ca702be5a..272a288b4 100644 --- a/obexd/client/bip-avrcp.c +++ b/obexd/client/bip-avrcp.c @@ -20,6 +20,7 @@ #include "transfer.h" #include "session.h" #include "driver.h" +#include "bip-common.h" #include "bip-avrcp.h" #define OBEX_BIP_AVRCP_UUID \ @@ -38,6 +39,102 @@ struct bip_avrcp_data { struct obc_session *session; }; +static void image_properties_complete_cb(struct obc_session *session, + struct obc_transfer *transfer, + GError *err, void *user_data) +{ + DBusMessage *message = user_data; + DBusMessage *reply = NULL; + DBusMessageIter iter; + char *contents = NULL; + size_t size; + int perr; + struct prop_object *prop = NULL; + + if (err != NULL) { + reply = g_dbus_create_error(message, + ERROR_INTERFACE ".Failed", + "%s", err->message); + goto done; + } + + perr = obc_transfer_get_contents(transfer, &contents, &size); + if (perr < 0) { + reply = g_dbus_create_error(message, + ERROR_INTERFACE ".Failed", + "Error reading contents: %s", + strerror(-perr)); + goto done; + } + + prop = parse_properties(contents, size, &perr); + if (prop == NULL) { + reply = g_dbus_create_error(message, + ERROR_INTERFACE ".Failed", + "Error parsing contents: %s", + strerror(-perr)); + goto done; + } + + if (!verify_properties(prop)) { + reply = g_dbus_create_error(message, + ERROR_INTERFACE ".Failed", + "Error verifying contents"); + goto done; + } + + reply = dbus_message_new_method_return(message); + dbus_message_iter_init_append(reply, &iter); + append_properties(&iter, prop); + +done: + g_dbus_send_message(conn, reply); + g_free(contents); + dbus_message_unref(message); +} + +static DBusMessage *get_image_properties(DBusConnection *connection, + DBusMessage *message, void *user_data) +{ + struct bip_avrcp_data *bip_avrcp = user_data; + const char *handle = NULL; + struct obc_transfer *transfer; + GObexHeader *header; + DBusMessage *reply = NULL; + GError *err = NULL; + + DBG(""); + + if (dbus_message_get_args(message, NULL, + DBUS_TYPE_STRING, &handle, + DBUS_TYPE_INVALID) == FALSE) { + reply = g_dbus_create_error(message, + ERROR_INTERFACE ".InvalidArguments", NULL); + goto fail; + } + + transfer = obc_transfer_get("x-bt/img-properties", NULL, NULL, &err); + if (transfer == NULL) + goto fail; + + header = g_obex_header_new_unicode(IMG_HANDLE_TAG, handle); + obc_transfer_add_header(transfer, header); + + if (!obc_session_queue(bip_avrcp->session, transfer, + image_properties_complete_cb, message, &err)) + goto fail; + + dbus_message_ref(message); + + return NULL; + +fail: + reply = g_dbus_create_error(message, ERROR_INTERFACE ".Failed", "%s", + err->message); + g_error_free(err); + return reply; +} + static DBusMessage *get_image_thumbnail(DBusConnection *connection, DBusMessage *message, void *user_data) { @@ -79,6 +176,10 @@ fail: } 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("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 new file mode 100644 index 000000000..b93921df5 --- /dev/null +++ b/obexd/client/bip-common.c @@ -0,0 +1,781 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * + * OBEX Client + * + * Copyright (C) 2024 Collabora Ltd. + * Based on previous work done by Jakub Adamek for GSoC 2011 + * + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include + +#include "gobex/gobex.h" + +#include "obexd/src/log.h" +#include "bip-common.h" + +#define HANDLE_LEN 7 +#define HANDLE_LIMIT 10000000 + +struct encconv_pair { + gchar *bip, *im; +}; + +struct encconv_pair encconv_table[] = { + { "JPEG", "JPEG" }, + { "GIF", "GIF" }, + { "WBMP", "WBMP" }, + { "PNG", "PNG" }, + { "JPEG2000", "JP2" }, + { "BMP", "BMP" }, + { } +}; + +static const gchar *convBIP2IM(const gchar *encoding) +{ + struct encconv_pair *et = encconv_table; + + while (et->bip) { + if (g_strcmp0(encoding, et->bip) == 0) + return et->im; + et++; + } + return NULL; +} + +static gboolean parse_pixel_range(const gchar *dim, unsigned int *lower_ret, + unsigned int *upper_ret, + gboolean *fixed_ratio_ret) +{ + static regex_t no_range; + static regex_t range; + static regex_t range_fixed; + static int regex_initialized; + unsigned int lower[2], upper[2]; + gboolean fixed_ratio = FALSE; + + if (!regex_initialized) { + regcomp(&no_range, "^([[:digit:]]{1,5})\\*([[:digit:]]{1,5})$", + REG_EXTENDED); + regcomp(&range, "^([[:digit:]]{1,5})\\*([[:digit:]]{1,5})" + "-([[:digit:]]{1,5})\\*([[:digit:]]{1,5})$", + REG_EXTENDED); + regcomp(&range_fixed, "^([[:digit:]]{1,5})\\*\\*" + "-([[:digit:]]{1,5})\\*([[:digit:]]{1,5})$", + REG_EXTENDED); + regex_initialized = 1; + } + if (dim == NULL) + return FALSE; + if (regexec(&no_range, dim, 0, NULL, 0) == 0) { + if (sscanf(dim, "%u*%u", &lower[0], &lower[1]) != 2) + return FALSE; + upper[0] = lower[0]; + upper[1] = lower[1]; + fixed_ratio = FALSE; + } else if (regexec(&range, dim, 0, NULL, 0) == 0) { + if (sscanf(dim, "%u*%u-%u*%u", &lower[0], &lower[1], + &upper[0], &upper[1]) != 4) + return FALSE; + fixed_ratio = FALSE; + } else if (regexec(&range_fixed, dim, 0, NULL, 0) == 0) { + if (sscanf(dim, "%u**-%u*%u", &lower[0], &upper[0], + &upper[1]) != 3) + return FALSE; + lower[1] = 0; + fixed_ratio = TRUE; + } else { + return FALSE; + } + if (lower[0] > 65535 || lower[1] > 65535 || + upper[0] > 65535 || upper[1] > 65535) + return FALSE; + if (lower_ret == NULL || upper_ret == NULL || fixed_ratio_ret == NULL) + return TRUE; + if (upper[0] < lower[0] || upper[1] < lower[1]) + return FALSE; + lower_ret[0] = lower[0]; + lower_ret[1] = lower[1]; + upper_ret[0] = upper[0]; + upper_ret[1] = upper[1]; + *fixed_ratio_ret = fixed_ratio; + + return TRUE; +} + +static gboolean verify_unsignednumber(const char *size) +{ + static regex_t unumber; + static int regex_initialized; + + if (!regex_initialized) { + regcomp(&unumber, "^[[:digit:]]+$", REG_EXTENDED); + regex_initialized = 1; + } + if (regexec(&unumber, size, 0, NULL, 0) != 0) + return FALSE; + + return TRUE; +} + +static uint64_t parse_unsignednumber(const char *size) +{ + if (!verify_unsignednumber(size)) + return 0; + + return g_ascii_strtoll(size, NULL, 10);; +} + +char *transforms[] = { + "crop", + "stretch", + "fill", + NULL +}; + +static gboolean verify_transform(const char *transform) +{ + char **str = transforms; + + while (*str != NULL) { + if (g_str_equal(transform, *str)) + return TRUE; + str++; + } + return FALSE; +} + +static char *parse_transform_list(const char *transform) +{ + char **args = NULL, **arg = NULL; + gboolean used[3] = { FALSE, FALSE, FALSE }; + + if (transform == NULL) + return NULL; + if (strlen(transform) == 0) + return NULL; + args = g_strsplit(transform, " ", 0); + for (arg = args; *arg != NULL; arg++) { + char *t = *arg; + + if (!verify_transform(t)) { + g_strfreev(args); + return NULL; + } + switch (t[0]) { + case 's': + if (used[0]) + goto failure; + used[0] = TRUE; + break; + case 'c': + if (used[1]) + goto failure; + used[1] = TRUE; + break; + case 'f': + if (used[2]) + goto failure; + used[2] = TRUE; + break; + } + } + g_strfreev(args); + return g_strdup(transform); +failure: + g_strfreev(args); + return NULL; +} + +static time_t parse_iso8601_bip(const gchar *str, int len) +{ + gchar *tstr; + struct tm tm; + gint nr; + gchar tz; + time_t time; + time_t tz_offset = 0; + + if (str == NULL) + return -1; + + memset(&tm, 0, sizeof(struct tm)); + + /* According to spec the time doesn't have to be null terminated */ + if (str[len - 1] != '\0') { + tstr = g_malloc(len + 1); + strncpy(tstr, str, len); + tstr[len] = '\0'; + } else + tstr = g_strdup(str); + + nr = sscanf(tstr, "%04u%02u%02uT%02u%02u%02u%c", + &tm.tm_year, &tm.tm_mon, &tm.tm_mday, + &tm.tm_hour, &tm.tm_min, &tm.tm_sec, + &tz); + + g_free(tstr); + + /* Fixup the tm values */ + tm.tm_year -= 1900; /* Year since 1900 */ + tm.tm_mon--; /* Months since January, values 0-11 */ + tm.tm_isdst = -1; /* Daylight savings information not avail */ + + if (nr < 6) { + /* Invalid time format */ + return -1; + } + + time = mktime(&tm); + +#if defined(HAVE_TM_GMTOFF) + tz_offset = tm.tm_gmtoff; +#elif defined(HAVE_TIMEZONE) + tz_offset = -timezone; + if (tm.tm_isdst > 0) + tz_offset += 3600; +#endif + + if (nr == 7) { /* Date/Time was in localtime (to remote device) + * already. Since we don't know anything about the + * timezone on that one we won't try to apply UTC offset + */ + time += tz_offset; + } + + return time; +} + +static int parse_handle(const char *data) +{ + int handle; + char *ptr; + + if (data == NULL) + return -1; + if (strlen(data) != HANDLE_LEN) + return -1; + handle = strtol(data, &ptr, 10); + if (ptr != data + HANDLE_LEN) + return -1; + if (handle < 0 || handle >= HANDLE_LIMIT) + return -1; + return handle; +} + +struct native_prop { + char *encoding, *pixel; + uint64_t size; +}; + +struct variant_prop { + char *encoding, *pixel, *transform; + uint64_t maxsize; +}; + +struct att_prop { + char *content_type, *charset, *name; + uint64_t size; + time_t ctime, mtime; +}; + +struct prop_object { + char *handle, *name; + GSList *native, *variant, *att; +}; + +static void free_native_prop(struct native_prop *prop) +{ + DBG(""); + + if (prop == NULL) + return; + g_free(prop->encoding); + g_free(prop->pixel); + g_free(prop); +} + +static void free_variant_prop(struct variant_prop *prop) +{ + DBG(""); + + if (prop == NULL) + return; + g_free(prop->encoding); + g_free(prop->pixel); + g_free(prop->transform); + g_free(prop); +} + +static void free_att_prop(struct att_prop *prop) +{ + DBG(""); + + if (prop == NULL) + return; + g_free(prop->content_type); + g_free(prop->charset); + g_free(prop->name); + g_free(prop); +} + +static void free_prop_object(struct prop_object *object) +{ + GSList *list; + + DBG(""); + + if (object == NULL) + return; + for (list = object->native; list != NULL; list = g_slist_next(list)) + free_native_prop(list->data); + for (list = object->variant; list != NULL; list = g_slist_next(list)) + free_variant_prop(list->data); + for (list = object->att; list != NULL; list = g_slist_next(list)) + free_att_prop(list->data); + g_slist_free(object->native); + g_slist_free(object->variant); + g_slist_free(object->att); + g_free(object->handle); + g_free(object->name); + g_free(object); +} + +static gboolean parse_attrib_native(struct native_prop *prop, const gchar *key, + const gchar *value, GError **gerr) +{ + DBG(""); + + if (g_str_equal(key, "encoding")) { + if (convBIP2IM(value) == NULL) + goto invalid; + prop->encoding = g_strdup(value); + } else if (g_str_equal(key, "pixel")) { + if (!parse_pixel_range(value, NULL, NULL, NULL)) + goto invalid; + prop->pixel = g_strdup(value); + } else if (g_str_equal(key, "size")) { + prop->size = parse_unsignednumber(value); + if (prop->size == 0) + goto invalid; + } else { + g_set_error(gerr, G_MARKUP_ERROR, + G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE, NULL); + return FALSE; + } + return TRUE; +invalid: + g_set_error(gerr, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT, + NULL); + return FALSE; +} + +static gboolean parse_attrib_variant(struct variant_prop *prop, + const gchar *key, + const gchar *value, GError **gerr) +{ + DBG(""); + + if (g_str_equal(key, "encoding")) { + if (convBIP2IM(value) == NULL) + goto invalid; + prop->encoding = g_strdup(value); + } else if (g_str_equal(key, "pixel")) { + if (!parse_pixel_range(value, NULL, NULL, NULL)) + goto invalid; + prop->pixel = g_strdup(value); + } else if (g_str_equal(key, "maxsize")) { + prop->maxsize = parse_unsignednumber(value); + if (prop->maxsize == 0) + goto invalid; + } else if (g_str_equal(key, "transform")) { + prop->transform = parse_transform_list(value); + if (prop->transform == NULL) + goto invalid; + } else { + g_set_error(gerr, G_MARKUP_ERROR, + G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE, NULL); + return FALSE; + } + return TRUE; +invalid: + g_set_error(gerr, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT, + NULL); + return FALSE; +} + +static gboolean parse_attrib_att(struct att_prop *prop, const gchar *key, + const gchar *value, GError **gerr) +{ + DBG(""); + + if (g_str_equal(key, "content-type")) { + prop->content_type = g_strdup(value); + } else if (g_str_equal(key, "charset")) { + prop->charset = g_strdup(value); + } else if (g_str_equal(key, "name")) { + prop->name = g_strdup(value); + } else if (g_str_equal(key, "size")) { + prop->size = parse_unsignednumber(value); + if (prop->size == 0) + goto invalid; + } else if (g_str_equal(key, "created")) { + prop->ctime = parse_iso8601_bip(value, strlen(value)); + if (prop->ctime == -1) + goto invalid; + } else if (g_str_equal(key, "modified")) { + prop->mtime = parse_iso8601_bip(value, strlen(value)); + if (prop->mtime == -1) + goto invalid; + } else { + g_set_error(gerr, G_MARKUP_ERROR, + G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE, NULL); + return FALSE; + } + return TRUE; +invalid: + g_set_error(gerr, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT, + NULL); + return FALSE; +} + +static struct att_prop *parse_elem_att(const gchar **names, + const gchar **values, GError **gerr) +{ + gchar **key; + struct att_prop *prop = g_new0(struct att_prop, 1); + + DBG(""); + + for (key = (gchar **) names; *key; key++, values++) { + if (!parse_attrib_att(prop, *key, *values, gerr)) { + free_att_prop(prop); + return NULL; + } + } + return prop; +} + +static struct variant_prop *parse_elem_variant(const gchar **names, + const gchar **values, GError **gerr) +{ + gchar **key; + struct variant_prop *prop = g_new0(struct variant_prop, 1); + + DBG(""); + + for (key = (gchar **) names; *key; key++, values++) { + if (!parse_attrib_variant(prop, *key, *values, gerr)) { + free_variant_prop(prop); + return NULL; + } + } + if (prop->transform == NULL) + prop->transform = g_strdup("stretch crop fill"); + return prop; +} + +static struct native_prop *parse_elem_native(const gchar **names, + const gchar **values, GError **gerr) +{ + gchar **key; + struct native_prop *prop = g_new0(struct native_prop, 1); + + DBG(""); + + for (key = (gchar **) names; *key; key++, values++) { + if (!parse_attrib_native(prop, *key, *values, gerr)) { + free_native_prop(prop); + return NULL; + } + } + return prop; +} + +static gboolean parse_attrib_prop(struct prop_object *prop, const gchar *key, + const gchar *value, GError **gerr) +{ + DBG(""); + + if (g_str_equal(key, "handle")) { + if (parse_handle(value) < 0) + goto invalid; + prop->handle = g_strdup(value); + } else if (g_str_equal(key, "friendly-name")) { + prop->name = g_strdup(value); + } else if (g_str_equal(key, "version")) { + // pass; + } else { + g_set_error(gerr, G_MARKUP_ERROR, + G_MARKUP_ERROR_UNKNOWN_ATTRIBUTE, NULL); + return FALSE; + } + return TRUE; +invalid: + g_set_error(gerr, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT, + NULL); + return FALSE; +} + +static struct prop_object *parse_elem_prop(const gchar **names, + const gchar **values, GError **gerr) +{ + gchar **key; + struct prop_object *prop = g_new0(struct prop_object, 1); + + DBG(""); + + for (key = (gchar **) names; *key; key++, values++) { + if (!parse_attrib_prop(prop, *key, *values, gerr)) { + free_prop_object(prop); + return NULL; + } + } + return prop; +} + +static void prop_element(GMarkupParseContext *ctxt, + const gchar *element, + const gchar **names, + const gchar **values, + gpointer user_data, + GError **gerr) +{ + struct prop_object **obj = user_data; + + DBG(""); + + if (g_str_equal(element, "image-properties")) { + if (*obj != NULL) { + free_prop_object(*obj); + *obj = NULL; + goto invalid; + } + *obj = parse_elem_prop(names, values, gerr); + } else if (g_str_equal(element, "native")) { + struct native_prop *prop; + + if (*obj == NULL) + goto invalid; + prop = parse_elem_native(names, values, gerr); + (*obj)->native = g_slist_append((*obj)->native, prop); + } else if (g_str_equal(element, "variant")) { + struct variant_prop *prop; + + if (*obj == NULL) + goto invalid; + prop = parse_elem_variant(names, values, gerr); + (*obj)->variant = g_slist_append((*obj)->variant, prop); + } else if (g_str_equal(element, "attachment")) { + struct att_prop *prop; + + if (*obj == NULL) + goto invalid; + prop = parse_elem_att(names, values, gerr); + (*obj)->att = g_slist_append((*obj)->att, prop); + } else { + if (*obj != NULL) { + free_prop_object(*obj); + *obj = NULL; + } + goto invalid; + } + + return; +invalid: + g_set_error(gerr, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT, + NULL); +} + +static const GMarkupParser properties_parser = { + prop_element, + NULL, + NULL, + NULL, + NULL +}; + +struct prop_object *parse_properties(char *data, unsigned int length, + int *err) +{ + struct prop_object *prop = NULL; + gboolean status; + GError *gerr = NULL; + GMarkupParseContext *ctxt = g_markup_parse_context_new( + &properties_parser, 0, &prop, NULL); + + DBG(""); + + if (err != NULL) + *err = 0; + status = g_markup_parse_context_parse(ctxt, data, length, &gerr); + g_markup_parse_context_free(ctxt); + if (!status) { + if (err != NULL) + *err = -EINVAL; + free_prop_object(prop); + prop = NULL; + } + return prop; +} + +gboolean verify_properties(struct prop_object *obj) +{ + GSList *list; + + if (obj->handle == NULL) + return FALSE; + + for (list = obj->native; list != NULL; list = g_slist_next(list)) { + struct native_prop *prop = list->data; + + if (prop->encoding == NULL || prop->pixel == NULL) + return FALSE; + } + + for (list = obj->variant; list != NULL; list = g_slist_next(list)) { + struct variant_prop *prop = list->data; + + if (prop->encoding == NULL || prop->pixel == NULL) + return FALSE; + } + + for (list = obj->att; list != NULL; list = g_slist_next(list)) { + struct att_prop *prop = list->data; + + if (prop->content_type == NULL || prop->name == NULL) + return FALSE; + } + + return TRUE; +} + +void append_properties(DBusMessageIter *args, struct prop_object *obj) +{ + DBusMessageIter dict, iter; + GSList *list; + + dbus_message_iter_open_container(args, DBUS_TYPE_ARRAY, + DBUS_TYPE_ARRAY_AS_STRING + DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING + DBUS_TYPE_STRING_AS_STRING + DBUS_TYPE_VARIANT_AS_STRING + DBUS_DICT_ENTRY_END_CHAR_AS_STRING, + &dict); + + dbus_message_iter_open_container(&dict, DBUS_TYPE_ARRAY, + DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING + DBUS_TYPE_STRING_AS_STRING + DBUS_TYPE_VARIANT_AS_STRING + DBUS_DICT_ENTRY_END_CHAR_AS_STRING, + &iter); + g_dbus_dict_append_entry(&iter, "handle", DBUS_TYPE_STRING, + &obj->handle); + g_dbus_dict_append_entry(&iter, "name", DBUS_TYPE_STRING, &obj->name); + dbus_message_iter_close_container(&dict, &iter); + + for (list = obj->native; list != NULL; list = g_slist_next(list)) { + struct native_prop *prop = list->data; + static char *native_str = "native"; + + dbus_message_iter_open_container(&dict, DBUS_TYPE_ARRAY, + DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING + DBUS_TYPE_STRING_AS_STRING + DBUS_TYPE_VARIANT_AS_STRING + DBUS_DICT_ENTRY_END_CHAR_AS_STRING, + &iter); + g_dbus_dict_append_entry(&iter, "type", DBUS_TYPE_STRING, + &native_str); + if (prop->encoding) + g_dbus_dict_append_entry(&iter, "encoding", + DBUS_TYPE_STRING, + &prop->encoding); + if (prop->pixel) + g_dbus_dict_append_entry(&iter, "pixel", + DBUS_TYPE_STRING, + &prop->pixel); + if (prop->size) + g_dbus_dict_append_entry(&iter, "size", + DBUS_TYPE_UINT64, + &prop->size); + dbus_message_iter_close_container(&dict, &iter); + } + + for (list = obj->variant; list != NULL; list = g_slist_next(list)) { + struct variant_prop *prop = list->data; + static char *variant_str = "variant"; + + dbus_message_iter_open_container(&dict, DBUS_TYPE_ARRAY, + DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING + DBUS_TYPE_STRING_AS_STRING + DBUS_TYPE_VARIANT_AS_STRING + DBUS_DICT_ENTRY_END_CHAR_AS_STRING, + &iter); + g_dbus_dict_append_entry(&iter, "type", DBUS_TYPE_STRING, + &variant_str); + if (prop->encoding) + g_dbus_dict_append_entry(&iter, "encoding", + DBUS_TYPE_STRING, + &prop->encoding); + if (prop->pixel) + g_dbus_dict_append_entry(&iter, "pixel", + DBUS_TYPE_STRING, + &prop->pixel); + if (prop->maxsize) + g_dbus_dict_append_entry(&iter, "maxsize", + DBUS_TYPE_UINT64, + &prop->maxsize); + if (prop->transform) + g_dbus_dict_append_entry(&iter, "transformation", + DBUS_TYPE_STRING, + &prop->transform); + dbus_message_iter_close_container(&dict, &iter); + } + + for (list = obj->att; list != NULL; list = g_slist_next(list)) { + struct att_prop *prop = list->data; + static char *attachment_str = "attachment"; + + dbus_message_iter_open_container(&dict, DBUS_TYPE_ARRAY, + DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING + DBUS_TYPE_STRING_AS_STRING + DBUS_TYPE_VARIANT_AS_STRING + DBUS_DICT_ENTRY_END_CHAR_AS_STRING, + &iter); + g_dbus_dict_append_entry(&iter, "type", DBUS_TYPE_STRING, + &attachment_str); + if (prop->content_type) + g_dbus_dict_append_entry(&iter, "content-type", + DBUS_TYPE_STRING, + &prop->content_type); + if (prop->charset) + g_dbus_dict_append_entry(&iter, "charset", + DBUS_TYPE_STRING, + &prop->charset); + if (prop->name) + g_dbus_dict_append_entry(&iter, "name", + DBUS_TYPE_STRING, + &prop->name); + if (prop->size) + g_dbus_dict_append_entry(&iter, "size", + DBUS_TYPE_UINT64, + &prop->size); + if (prop->ctime) + g_dbus_dict_append_entry(&iter, "ctime", + DBUS_TYPE_UINT64, + &prop->ctime); + if (prop->mtime) + g_dbus_dict_append_entry(&iter, "mtime", + DBUS_TYPE_UINT64, + &prop->mtime); + dbus_message_iter_close_container(&dict, &iter); + } + + dbus_message_iter_close_container(args, &dict); +} diff --git a/obexd/client/bip-common.h b/obexd/client/bip-common.h new file mode 100644 index 000000000..0fee54636 --- /dev/null +++ b/obexd/client/bip-common.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * + * OBEX Client + * + * Copyright (C) 2024 Collabora Ltd. + * + * + */ + +#include +#include "gdbus/gdbus.h" + +struct prop_object; + +struct prop_object *parse_properties(char *data, unsigned int length, + int *err); +gboolean verify_properties(struct prop_object *obj); +void append_properties(DBusMessageIter *args, struct prop_object *obj);