path: root/meta-networking/recipes-connectivity/bluez-tools/bluez-tools/fix-memory-leaks.patch

Upstream-Status: Submitted [https://github.com/khvzak/bluez-tools/pull/48]

From e5db2eec2591f0109f0eb7c2631055210b55f2f5 Mon Sep 17 00:00:00 2001
Message-Id: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Sat, 7 Nov 2020 01:07:24 -0500
Subject: [PATCH 1/9] Remove memory leaks and overall restructure
 manager_find_adapter

---
 src/lib/manager.c | 61 +++++++++++++++++++++++++++++++++--------------
 1 file changed, 43 insertions(+), 18 deletions(-)

diff --git a/src/lib/manager.c b/src/lib/manager.c
index 5286a3a..2263afc 100644
--- a/src/lib/manager.c
+++ b/src/lib/manager.c
@@ -136,43 +136,68 @@ const gchar *manager_find_adapter(Manager *self, const gchar *pattern, GError **
     GVariant *ifaces_and_properties;
     GVariantIter i;
 
+    gchar *pattern_lowercase = g_ascii_strdown(pattern, -1);
+
     g_variant_iter_init(&i, objects);
-    while (g_variant_iter_next(&i, "{&o@a{sa{sv}}}", &object_path, &ifaces_and_properties))
+    gboolean still_looking = TRUE;
+    while (still_looking && g_variant_iter_next(&i, "{&o@a{sa{sv}}}", &object_path, &ifaces_and_properties))
     {
         const gchar *interface_name;
-        GVariant *properties;
         GVariantIter ii;
+        GVariant* properties;
         g_variant_iter_init(&ii, ifaces_and_properties);
         while (g_variant_iter_next(&ii, "{&s@a{sv}}", &interface_name, &properties))
         {
-            if (g_strstr_len(g_ascii_strdown(interface_name, -1), -1, "adapter"))
+            gchar *interface_name_lowercase = g_ascii_strdown(interface_name, -1);
+            if (strstr(interface_name_lowercase, "adapter"))
             {
-                const gchar *object_base_name = g_path_get_basename(object_path);
-                if (g_strstr_len(g_ascii_strdown(object_base_name, -1), -1, g_ascii_strdown(pattern, -1)))
+                g_free(interface_name_lowercase);
+
+                gchar *object_base_name_original = g_path_get_basename(object_path);
+                gchar *object_base_name = g_ascii_strdown(interface_name, -1);
+                g_free(object_base_name_original);
+
+                if (strstr(object_base_name, pattern_lowercase))
                 {
-                    const gchar *retVal = g_strdup(object_path);
-                    g_variant_unref(properties);
-                    g_variant_unref(ifaces_and_properties);
-                    g_variant_unref(objects);
-                    return retVal;
+                    still_looking = FALSE;
+                    g_free(object_base_name);
+                    break;
                 }
-                const gchar *address = g_variant_get_string(g_variant_lookup_value(properties, "Address", NULL), NULL);
-                if (g_strstr_len(g_ascii_strdown(address, -1), -1, g_ascii_strdown(pattern, -1)))
+
+                g_free(object_base_name);
+
+                const gchar *address_original = g_variant_get_string(g_variant_lookup_value(properties, "Address", NULL), NULL);
+                gchar *address = g_ascii_strdown(address_original, -1);
+
+                if (strstr(address, pattern_lowercase))
                 {
-                    gchar *retVal = g_strdup(object_path);
-                    g_variant_unref(properties);
-                    g_variant_unref(ifaces_and_properties);
-                    g_variant_unref(objects);
-                    return retVal;
+                    still_looking = FALSE;
+                    g_free(address);
+                    break;
                 }
+                g_free(address);
             }
+            else
+            {
+                g_free(interface_name_lowercase);
+            }
+
             g_variant_unref(properties);
         }
+
         g_variant_unref(ifaces_and_properties);
     }
     g_variant_unref(objects);
+    g_free(pattern_lowercase);
 
-    return NULL;
+    if (still_looking)
+    {
+        return NULL;
+    }
+    else
+    {
+        return object_path;
+    }
 }
 
 GPtrArray *manager_get_adapters(Manager *self)
-- 
2.34.1


From 163fcc94f1bc7c8f238e78adb03af914a566d979 Mon Sep 17 00:00:00 2001
Message-Id: <163fcc94f1bc7c8f238e78adb03af914a566d979.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Sat, 7 Nov 2020 22:12:21 -0500
Subject: [PATCH 2/9] Replace manager_default_adapter with
 manager_find_adapter(..., NULL, ...)

---
 src/lib/helpers.c | 57 ++++++++++++++++++-----------------------------
 src/lib/manager.c | 51 +++++++++---------------------------------
 src/lib/manager.h |  1 -
 3 files changed, 33 insertions(+), 76 deletions(-)

diff --git a/src/lib/helpers.c b/src/lib/helpers.c
index d7e95f9..99561b5 100644
--- a/src/lib/helpers.c
+++ b/src/lib/helpers.c
@@ -159,52 +159,39 @@ Adapter *find_adapter(const gchar *name, GError **error)
 
     Manager *manager = g_object_new(MANAGER_TYPE, NULL);
 
-    // If name is null or empty - return default adapter
-    if (name == NULL || strlen(name) == 0)
+    // Try to find by id
+    adapter_path = (gchar *) manager_find_adapter(manager, name, error);
+
+    // Found
+    if (adapter_path)
     {
-        adapter_path = (gchar *) manager_default_adapter(manager, error);
-        if (adapter_path)
-        {
-            // adapter = g_object_new(ADAPTER_TYPE, "DBusObjectPath", adapter_path, NULL);
-            adapter = adapter_new(adapter_path);
-        }
+        // adapter = g_object_new(ADAPTER_TYPE, "DBusObjectPath", adapter_path, NULL);
+        adapter = adapter_new(adapter_path);
     }
     else
     {
-        // Try to find by id
-        adapter_path = (gchar *) manager_find_adapter(manager, name, error);
-
-        // Found
-        if (adapter_path)
+        // Try to find by name
+        const GPtrArray *adapters_list = manager_get_adapters(manager);
+        g_assert(adapters_list != NULL);
+        for (int i = 0; i < adapters_list->len; i++)
         {
+            adapter_path = g_ptr_array_index(adapters_list, i);
             // adapter = g_object_new(ADAPTER_TYPE, "DBusObjectPath", adapter_path, NULL);
             adapter = adapter_new(adapter_path);
-        }
-        else
-        {
-            // Try to find by name
-            const GPtrArray *adapters_list = manager_get_adapters(manager);
-            g_assert(adapters_list != NULL);
-            for (int i = 0; i < adapters_list->len; i++)
+            adapter_path = NULL;
+
+            if (g_strcmp0(name, adapter_get_name(adapter, error)) == 0)
             {
-                adapter_path = g_ptr_array_index(adapters_list, i);
-                // adapter = g_object_new(ADAPTER_TYPE, "DBusObjectPath", adapter_path, NULL);
-                adapter = adapter_new(adapter_path);
-                adapter_path = NULL;
-
-                if (g_strcmp0(name, adapter_get_name(adapter, error)) == 0)
+                if (*error)
                 {
-                    if (error)
-                    {
-                        g_error_free(*error);
-                        *error = NULL;
-                    }
-                    break;
+                    g_error_free(*error);
+                    *error = NULL;
                 }
-
-                g_object_unref(adapter);
-                adapter = NULL;
+                break;
             }
+
+            g_object_unref(adapter);
+            adapter = NULL;
         }
     }
 
diff --git a/src/lib/manager.c b/src/lib/manager.c
index 2263afc..891fc45 100644
--- a/src/lib/manager.c
+++ b/src/lib/manager.c
@@ -84,45 +84,6 @@ GVariant *manager_get_managed_objects(Manager *self, GError **error)
     return retVal;
 }
 
-const gchar *manager_default_adapter(Manager *self, GError **error)
-{
-    g_assert(MANAGER_IS(self));
-
-    GVariant *objects = NULL;
-    objects = manager_get_managed_objects(self, error);
-    if (objects == NULL)
-        return NULL;
-
-    const gchar *object_path;
-    GVariant *ifaces_and_properties;
-    GVariantIter i;
-
-    g_variant_iter_init(&i, objects);
-    while (g_variant_iter_next(&i, "{&o@a{sa{sv}}}", &object_path, &ifaces_and_properties))
-    {
-        const gchar *interface_name;
-        GVariant *properties;
-        GVariantIter ii;
-        g_variant_iter_init(&ii, ifaces_and_properties);
-        while (g_variant_iter_next(&ii, "{&s@a{sv}}", &interface_name, &properties))
-        {
-            if (g_strstr_len(g_ascii_strdown(interface_name, -1), -1, "adapter"))
-            {
-                const gchar *retVal = g_strdup(object_path);
-                g_variant_unref(properties);
-                g_variant_unref(ifaces_and_properties);
-                g_variant_unref(objects);
-                return retVal;
-            }
-            g_variant_unref(properties);
-        }
-        g_variant_unref(ifaces_and_properties);
-    }
-    g_variant_unref(objects);
-
-    return NULL;
-}
-
 const gchar *manager_find_adapter(Manager *self, const gchar *pattern, GError **error)
 {
     g_assert(MANAGER_IS(self));
@@ -136,7 +97,11 @@ const gchar *manager_find_adapter(Manager *self, const gchar *pattern, GError **
     GVariant *ifaces_and_properties;
     GVariantIter i;
 
-    gchar *pattern_lowercase = g_ascii_strdown(pattern, -1);
+    gchar *pattern_lowercase = NULL;
+    if (pattern != NULL)
+    {
+        pattern_lowercase = g_ascii_strdown(pattern, -1);
+    }
 
     g_variant_iter_init(&i, objects);
     gboolean still_looking = TRUE;
@@ -153,6 +118,12 @@ const gchar *manager_find_adapter(Manager *self, const gchar *pattern, GError **
             {
                 g_free(interface_name_lowercase);
 
+                if (!pattern_lowercase)
+                {
+                    still_looking = FALSE;
+                    break;
+                }
+
                 gchar *object_base_name_original = g_path_get_basename(object_path);
                 gchar *object_base_name = g_ascii_strdown(interface_name, -1);
                 g_free(object_base_name_original);
diff --git a/src/lib/manager.h b/src/lib/manager.h
index 0c9e052..b651812 100644
--- a/src/lib/manager.h
+++ b/src/lib/manager.h
@@ -54,7 +54,6 @@ extern "C" {
      * Method definitions.
      */
     GVariant *manager_get_managed_objects(Manager *self, GError **error);
-    const gchar *manager_default_adapter(Manager *self, GError **error);
     const gchar *manager_find_adapter(Manager *self, const gchar *pattern, GError **error);
     GPtrArray *manager_get_adapters(Manager *self);
     const gchar **manager_get_devices(Manager *self, const gchar *adapter_pattern);
-- 
2.34.1


From b463d9cfc2390ca6352c16e6f6e113cf42d0f688 Mon Sep 17 00:00:00 2001
Message-Id: <b463d9cfc2390ca6352c16e6f6e113cf42d0f688.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Sat, 7 Nov 2020 23:38:42 -0500
Subject: [PATCH 3/9] Fix remaining g_ascii_strdown leaks

---
 src/lib/helpers.c    | 2 +-
 src/lib/manager.c    | 5 ++++-
 src/lib/properties.c | 4 ++--
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/lib/helpers.c b/src/lib/helpers.c
index 99561b5..b61bc07 100644
--- a/src/lib/helpers.c
+++ b/src/lib/helpers.c
@@ -242,7 +242,7 @@ Device *find_device(Adapter *adapter, const gchar *name, GError **error)
                     
                     if(g_variant_lookup(properties, "Address", "s", &address))
                     {
-                        if(g_strcmp0(g_ascii_strdown(address, -1), g_ascii_strdown(name, -1)) == 0)
+                        if(name && address && g_ascii_strcasecmp(address, name) == 0)
                         {
                             device = device_new(object_path);
                         }
diff --git a/src/lib/manager.c b/src/lib/manager.c
index 891fc45..d506ae6 100644
--- a/src/lib/manager.c
+++ b/src/lib/manager.c
@@ -200,8 +200,11 @@ GPtrArray *manager_get_adapters(Manager *self)
         g_variant_iter_init(&ii, ifaces_and_properties);
         while (g_variant_iter_next(&ii, "{&s@a{sv}}", &interface_name, &properties))
         {
-            if (g_strstr_len(g_ascii_strdown(interface_name, -1), -1, "adapter"))
+            char* interface_name_lowercase = g_ascii_strdown(interface_name, -1);
+            if (strstr(interface_name_lowercase, "adapter"))
                 g_ptr_array_add(adapter_array, (gpointer) g_strdup(object_path));
+
+            g_free(interface_name_lowercase);
             g_variant_unref(properties);
         }
         g_variant_unref(ifaces_and_properties);
diff --git a/src/lib/properties.c b/src/lib/properties.c
index 8b913d5..70a7640 100644
--- a/src/lib/properties.c
+++ b/src/lib/properties.c
@@ -205,12 +205,12 @@ static void _properties_create_gdbus_proxy(Properties *self, GError **error)
 {
     if(self->priv->dbus_type && self->priv->dbus_service_name && self->priv->dbus_object_path)
     {
-        if(g_ascii_strcasecmp(g_ascii_strdown(self->priv->dbus_type, -1), "system") == 0)
+        if(g_ascii_strcasecmp(self->priv->dbus_type, "system") == 0)
         {
             g_assert(system_conn != NULL);
             self->priv->proxy = g_dbus_proxy_new_sync(system_conn, G_DBUS_PROXY_FLAGS_NONE, NULL, self->priv->dbus_service_name, self->priv->dbus_object_path, PROPERTIES_DBUS_INTERFACE, NULL, error);
         }
-        else if(g_ascii_strcasecmp(g_ascii_strdown(self->priv->dbus_type, -1), "session") == 0)
+        else if(g_ascii_strcasecmp(self->priv->dbus_type, "session") == 0)
         {
             g_assert(session_conn != NULL);
             self->priv->proxy = g_dbus_proxy_new_sync(session_conn, G_DBUS_PROXY_FLAGS_NONE, NULL, self->priv->dbus_service_name, self->priv->dbus_object_path, PROPERTIES_DBUS_INTERFACE, NULL, error);
-- 
2.34.1


From 7ca191164a3a3d8867b1a4af7cd349dc53569fa3 Mon Sep 17 00:00:00 2001
Message-Id: <7ca191164a3a3d8867b1a4af7cd349dc53569fa3.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Sun, 8 Nov 2020 14:04:36 -0500
Subject: [PATCH 4/9] Don't leak g_variant_lookup_value results in bt-obex

---
 src/bt-obex.c | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/bt-obex.c b/src/bt-obex.c
index 8aacb40..0f044a5 100644
--- a/src/bt-obex.c
+++ b/src/bt-obex.c
@@ -213,15 +213,24 @@ static void _obex_opp_client_object_manager_handler(GDBusConnection *connection,
             g_hash_table_insert(_transfers, g_strdup(interface_object_path), t);
 
             ObexTransferInfo *info = g_malloc0(sizeof(ObexTransferInfo));
-            info->filesize = g_variant_get_uint64(g_variant_lookup_value(properties, "Size", NULL));
-            info->filename = g_strdup(g_variant_get_string(g_variant_lookup_value(properties, "Name", NULL), NULL));
-            info->status = g_strdup(g_variant_get_string(g_variant_lookup_value(properties, "Status", NULL), NULL));
-            ObexSession *session = obex_session_new(g_variant_get_string(g_variant_lookup_value(properties, "Session", NULL), NULL));
-            
+
+            GVariant* size_variant = g_variant_lookup_value(properties, "Size", NULL);
+            GVariant* name_variant = g_variant_lookup_value(properties, "Name", NULL);
+            GVariant* status_variant = g_variant_lookup_value(properties, "Status", NULL);
+            GVariant* session_variant = g_variant_lookup_value(properties, "Session", NULL);
+
+            info->filesize = g_variant_get_uint64(size_variant);
+            info->filename = g_variant_dup_string(name_variant, NULL);
+            info->status = g_variant_dup_string(status_variant, NULL);
+            ObexSession *session = obex_session_new(g_variant_get_string(session_variant, NULL));
             info->obex_root = g_strdup(obex_session_get_root(session, NULL));
-            
+
+            g_variant_unref(size_variant);
+            g_variant_unref(name_variant);
+            g_variant_unref(status_variant);
+            g_variant_unref(session_variant);
             g_object_unref(session);
-            
+
             g_hash_table_insert(_transfer_infos, g_strdup(interface_object_path), info);
             if(g_strcmp0(info->status, "queued") == 0)
                 g_print("[Transfer#%s] Waiting...\n", info->filename);
-- 
2.34.1


From 7100380b710b36f8e31748ac5bf0e6ffb7c4eed7 Mon Sep 17 00:00:00 2001
Message-Id: <7100380b710b36f8e31748ac5bf0e6ffb7c4eed7.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Thu, 12 Nov 2020 21:41:55 -0500
Subject: [PATCH 5/9] Correctly free temporary values in bt-obex

---
 src/bt-obex.c     | 35 +++++++++++++++++++++++++----------
 src/lib/helpers.c |  3 ++-
 2 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/src/bt-obex.c b/src/bt-obex.c
index 0f044a5..547186b 100644
--- a/src/bt-obex.c
+++ b/src/bt-obex.c
@@ -70,25 +70,32 @@ static void _obex_server_object_manager_handler(GDBusConnection *connection, con
         const gchar *interface_object_path = g_variant_get_string(g_variant_get_child_value(parameters, 0), NULL);
         GVariant *interfaces_and_properties = g_variant_get_child_value(parameters, 1);
         GVariant *properties = NULL;
-        
+
         if(g_variant_lookup(interfaces_and_properties, OBEX_TRANSFER_DBUS_INTERFACE, "@a{sv}", &properties))
         {
             g_print("[OBEX Server] Transfer started\n");
             ObexTransfer *t = obex_transfer_new(interface_object_path);
             g_hash_table_insert(_transfers, g_strdup(interface_object_path), t);
-            
+
+            GVariant* size_variant = g_variant_lookup_value(properties, "Size", NULL);
+            GVariant* status_variant = g_variant_lookup_value(properties, "Status", NULL);
+            GVariant* session_variant = g_variant_lookup_value(properties, "Session", NULL);
+
             ObexTransferInfo *info = g_malloc0(sizeof(ObexTransferInfo));
-            info->filesize = g_variant_get_uint64(g_variant_lookup_value(properties, "Size", NULL));
-            info->status = g_strdup(g_variant_get_string(g_variant_lookup_value(properties, "Status", NULL), NULL));
-            ObexSession *session = obex_session_new(g_variant_get_string(g_variant_lookup_value(properties, "Session", NULL), NULL));
-            
+            info->filesize = g_variant_get_uint64(size_variant);
+            info->status = g_strdup(g_variant_get_string(status_variant, NULL));
+
+            ObexSession *session = obex_session_new(g_variant_get_string(session_variant, NULL));
             info->obex_root = g_strdup(obex_session_get_root(session, NULL));
-            
             g_object_unref(session);
+
+            g_variant_unref(size_variant);
+            g_variant_unref(status_variant);
+            g_variant_unref(session_variant);
             
             g_hash_table_insert(_transfer_infos, g_strdup(interface_object_path), info);
         }
-        
+
         if(g_variant_lookup(interfaces_and_properties, OBEX_SESSION_DBUS_INTERFACE, "@a{sv}", &properties))
         {
             g_print("[OBEX Server] OBEX session opened\n");
@@ -177,7 +184,12 @@ static void _obex_server_properties_handler(GDBusConnection *connection, const g
             {
                 g_print("[OBEX Server] Transfer succeeded\n");
                 ObexTransferInfo *info = g_hash_table_lookup(_transfer_infos, object_path);
-                g_rename(g_build_filename(info->obex_root, info->filename, NULL), g_build_filename(_root_path, info->filename, NULL));
+
+                gchar* old_name = g_build_filename(info->obex_root, info->filename, NULL);
+                gchar* new_name = g_build_filename(_root_path, info->filename, NULL);
+                g_rename(old_name, new_name);
+                g_free(old_name);
+                g_free(new_name);
             }
             else if(g_strcmp0(status, "error") == 0)
             {
@@ -202,7 +214,8 @@ static void _obex_opp_client_object_manager_handler(GDBusConnection *connection,
 {
     if(g_strcmp0(signal_name, "InterfacesAdded") == 0)
     {
-        const gchar *interface_object_path = g_variant_get_string(g_variant_get_child_value(parameters, 0), NULL);
+        GVariant* interface_value = g_variant_get_child_value(parameters, 0);
+        const gchar *interface_object_path = g_variant_get_string(interface_value, NULL);
         GVariant *interfaces_and_properties = g_variant_get_child_value(parameters, 1);
         GVariant *properties = NULL;
         
@@ -242,6 +255,8 @@ static void _obex_opp_client_object_manager_handler(GDBusConnection *connection,
         }
         
         g_variant_unref(interfaces_and_properties);
+        g_variant_unref(interface_value);
+
         if(properties)
             g_variant_unref(properties);
     }
diff --git a/src/lib/helpers.c b/src/lib/helpers.c
index b61bc07..d9e2257 100644
--- a/src/lib/helpers.c
+++ b/src/lib/helpers.c
@@ -171,7 +171,7 @@ Adapter *find_adapter(const gchar *name, GError **error)
     else
     {
         // Try to find by name
-        const GPtrArray *adapters_list = manager_get_adapters(manager);
+        GPtrArray *adapters_list = manager_get_adapters(manager);
         g_assert(adapters_list != NULL);
         for (int i = 0; i < adapters_list->len; i++)
         {
@@ -193,6 +193,7 @@ Adapter *find_adapter(const gchar *name, GError **error)
             g_object_unref(adapter);
             adapter = NULL;
         }
+        g_ptr_array_unref(adapters_list);
     }
 
     g_object_unref(manager);
-- 
2.34.1


From 860fb6e19a7bc272722c36a980004044bc9906e5 Mon Sep 17 00:00:00 2001
Message-Id: <860fb6e19a7bc272722c36a980004044bc9906e5.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Thu, 12 Nov 2020 21:45:51 -0500
Subject: [PATCH 6/9] Use g_hash_table_new_full() instead of manual freeing

---
 src/bt-obex.c | 56 +++++++++++++++++----------------------------------
 1 file changed, 18 insertions(+), 38 deletions(-)

diff --git a/src/bt-obex.c b/src/bt-obex.c
index 547186b..413c12d 100644
--- a/src/bt-obex.c
+++ b/src/bt-obex.c
@@ -55,6 +55,14 @@ struct _ObexTransferInfo {
     gchar *status;
 };
 
+static void obex_transfer_info_free(ObexTransferInfo* info)
+{
+    g_free(info->filename);
+    g_free(info->obex_root);
+    g_free(info->status);
+    g_free(info);
+}
+
 static void sigterm_handler(int sig)
 {
     g_message("%s received", sig == SIGTERM ? "SIGTERM" : "SIGINT");
@@ -117,10 +125,7 @@ static void _obex_server_object_manager_handler(GDBusConnection *connection, con
             if(g_strcmp0(*inf, OBEX_TRANSFER_DBUS_INTERFACE) == 0)
             {
                 g_print("[OBEX Server] OBEX transfer closed\n");
-                ObexTransfer *transfer = g_hash_table_lookup(_transfers, interface_object_path);
                 g_hash_table_remove(_transfers, interface_object_path);
-                g_object_unref(transfer);
-                g_free(g_hash_table_lookup(_transfer_infos, interface_object_path));
                 g_hash_table_remove(_transfer_infos, interface_object_path);
             }
             
@@ -272,10 +277,7 @@ static void _obex_opp_client_object_manager_handler(GDBusConnection *connection,
             if(g_strcmp0(*inf, OBEX_TRANSFER_DBUS_INTERFACE) == 0)
             {
                 // g_print("[OBEX Client] OBEX transfer closed\n");
-                ObexTransfer *transfer = g_hash_table_lookup(_transfers, interface_object_path);
                 g_hash_table_remove(_transfers, interface_object_path);
-                g_object_unref(transfer);
-                g_free(g_hash_table_lookup(_transfer_infos, interface_object_path));
                 g_hash_table_remove(_transfer_infos, interface_object_path);
                 if (g_main_loop_is_running(mainloop))
                     g_main_loop_quit(mainloop);
@@ -514,8 +516,8 @@ int main(int argc, char *argv[])
             exit_if_error(error);
         }
 
-        _transfers = g_hash_table_new(g_str_hash, g_str_equal);
-        _transfer_infos = g_hash_table_new(g_str_hash, g_str_equal);
+        _transfers = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_object_unref);
+        _transfer_infos = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, (GDestroyNotify)obex_transfer_info_free);
 
         ObexAgentManager *manager = obex_agent_manager_new();
         
@@ -552,21 +554,10 @@ int main(int argc, char *argv[])
         g_hash_table_iter_init(&iter, _transfers);
         while (g_hash_table_iter_next(&iter, &key, &value))
         {
-            ObexTransfer *t = OBEX_TRANSFER(value);
-            obex_transfer_cancel(t, NULL); // skip errors
-            g_object_unref(t);
-            g_hash_table_iter_remove(&iter);
-        }
-        g_hash_table_unref(_transfers);
-        
-        // Remove transfer information
-        g_hash_table_iter_init(&iter, _transfer_infos);
-        while (g_hash_table_iter_next(&iter, &key, &value))
-        {
-            g_free(value);
-            g_hash_table_iter_remove(&iter);
+            obex_transfer_cancel(OBEX_TRANSFER(value), NULL);
         }
         g_hash_table_unref(_transfers);
+        g_hash_table_unref(_transfer_infos);
 
         g_dbus_connection_signal_unsubscribe(session_conn, obex_server_object_id);
         g_dbus_connection_signal_unsubscribe(session_conn, obex_server_properties_id);
@@ -588,8 +579,8 @@ int main(int argc, char *argv[])
             exit_if_error(error);
         }
         
-        _transfers = g_hash_table_new(g_str_hash, g_str_equal);
-        _transfer_infos = g_hash_table_new(g_str_hash, g_str_equal);
+        _transfers = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_object_unref);
+        _transfer_infos = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
 
         gchar * files_to_send[] = {NULL, NULL};
         files_to_send[0] = g_path_is_absolute(opp_file_arg) ? g_strdup(opp_file_arg) : get_absolute_path(opp_file_arg);
@@ -663,24 +654,13 @@ int main(int argc, char *argv[])
         g_hash_table_iter_init(&iter, _transfers);
         while (g_hash_table_iter_next(&iter, &key, &value))
         {
-            ObexTransfer *t = OBEX_TRANSFER(value);
-            obex_transfer_cancel(t, NULL); // skip errors
-            g_object_unref(t);
-            g_hash_table_iter_remove(&iter);
+            obex_transfer_cancel(OBEX_TRANSFER(value), NULL);
         }
         g_hash_table_unref(_transfers);
-        
-        // Remove transfer information objects
-        g_hash_table_iter_init(&iter, _transfer_infos);
-        while (g_hash_table_iter_next(&iter, &key, &value))
-        {
-            g_free(value);
-            g_hash_table_iter_remove(&iter);
-        }
-        g_hash_table_unref(_transfers);
-        
-        g_object_unref(client);
 
+        g_hash_table_unref(_transfer_infos);
+        g_object_unref(client);
+        g_object_unref(session);
         g_variant_unref(device_dict);
 
         g_free(src_address);
-- 
2.34.1


From 9804eb7e5996c52cc542eef59ba3b5f4d0b0b2f9 Mon Sep 17 00:00:00 2001
Message-Id: <9804eb7e5996c52cc542eef59ba3b5f4d0b0b2f9.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Thu, 12 Nov 2020 21:51:34 -0500
Subject: [PATCH 7/9] Don't set filesize if we don't know the size

I only meant to fix the g_variant_unref warning, but fixing all of them
works too!
---
 src/bt-obex.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/bt-obex.c b/src/bt-obex.c
index 413c12d..219d458 100644
--- a/src/bt-obex.c
+++ b/src/bt-obex.c
@@ -90,14 +90,22 @@ static void _obex_server_object_manager_handler(GDBusConnection *connection, con
             GVariant* session_variant = g_variant_lookup_value(properties, "Session", NULL);
 
             ObexTransferInfo *info = g_malloc0(sizeof(ObexTransferInfo));
-            info->filesize = g_variant_get_uint64(size_variant);
             info->status = g_strdup(g_variant_get_string(status_variant, NULL));
 
             ObexSession *session = obex_session_new(g_variant_get_string(session_variant, NULL));
             info->obex_root = g_strdup(obex_session_get_root(session, NULL));
             g_object_unref(session);
 
-            g_variant_unref(size_variant);
+            if (size_variant != NULL)
+            {
+                info->filesize = g_variant_get_uint64(size_variant);
+                g_variant_unref(size_variant);
+            }
+            else
+            {
+                info->filesize = 0;
+            }
+
             g_variant_unref(status_variant);
             g_variant_unref(session_variant);
             
-- 
2.34.1


From 9566f84464d486983ec597945bc4d5d1594ed830 Mon Sep 17 00:00:00 2001
Message-Id: <9566f84464d486983ec597945bc4d5d1594ed830.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Sun, 15 Nov 2020 16:18:36 -0500
Subject: [PATCH 8/9] Fix a use-after-free in bt-obex

---
 src/bt-obex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bt-obex.c b/src/bt-obex.c
index 219d458..7dc5d6b 100644
--- a/src/bt-obex.c
+++ b/src/bt-obex.c
@@ -626,7 +626,7 @@ int main(int argc, char *argv[])
         mainloop = g_main_loop_new(NULL, FALSE);
 
         ObexClient *client = obex_client_new();
-        const gchar *session_path = obex_client_create_session(client, dst_address, device_dict, &error);
+        const gchar *session_path = obex_client_create_session(client, dst_address, g_variant_ref(device_dict), &error);
         exit_if_error(error);
         ObexSession *session = obex_session_new(session_path);
         ObexObjectPush *oop = obex_object_push_new(obex_session_get_dbus_object_path(session));
-- 
2.34.1


From 5271a4c6419b54a0b18070d39bfc69fae2819c00 Mon Sep 17 00:00:00 2001
Message-Id: <5271a4c6419b54a0b18070d39bfc69fae2819c00.1710791277.git.joerg.sommer@navimatix.de>
In-Reply-To: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
References: <e5db2eec2591f0109f0eb7c2631055210b55f2f5.1710791277.git.joerg.sommer@navimatix.de>
From: thatlittlegit <personal@thatlittlegit.tk>
Date: Sat, 21 Nov 2020 13:09:46 -0500
Subject: [PATCH 9/9] Fix running sdptool if it isn't in $PATH

---
 src/bt-device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/bt-device.c b/src/bt-device.c
index a739b98..948a10c 100644
--- a/src/bt-device.c
+++ b/src/bt-device.c
@@ -331,9 +331,9 @@ static GHashTable *_bt_device_sdp_browse(const gchar *device_path, const gchar *
         }
         
         if(pattern == NULL || strlen(pattern) == 0)
-            execl("/bin/sdptool", "/bin/sdptool", "browse", "--xml", device_path, (char *) 0);
+            execlp("sdptool", "sdptool", "browse", "--xml", device_path, (char *) 0);
         else
-            execl("/bin/sdptool", "/bin/sdptool", "browse", "--xml", "--uuid", pattern, device_path, (char *) 0);
+            execlp("sdptool", "sdptool", "browse", "--xml", "--uuid", pattern, device_path, (char *) 0);
         
     }
     if(pid == -1)
-- 
2.34.1