sssd/0035-sbus-read-destination-after-sender-is-set.patch

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Backport a bunch of upstream fixes - Resolves: upstream#3821 - crash related to sbus_router_destructor() - Resolves: upstream#3810 - sbus2: fix memory leak in sbus_message_bound_ref - Resolves: upstream#3819 - sssd only sets the SELinux login context if it differs from the default - Resolves: upstream#3807 - The sbus codegen script relies on "python" which might not be available on all distributions - Resolves: upstream#3820 - sudo: search with lower cased name for case insensitive domains - Resolves: upstream#3701 - [RFE] Allow changing default behavior of SSSD from an allow-any default to a deny-any default when it can't find any GPOs to apply to a user login. - Resolves: upstream#3828 - Invalid domain provider causes SSSD to abort startup - Resolves: upstream#3500 - Make sure sssd is a replacement for pam_pkcs11 also for local account authentication - Resolves: upstream#3812 - sssd 2.0.0 segfaults on startup - Resolves: upstream#3826 - Remove references of sss_user/group/add/del commands in man pages since local provider is deprecated - Resolves: upstream#3827 - SSSD should log to syslog if a domain is not started due to a misconfiguration - Resolves: upstream#3830 - Printing incorrect information about domain with sssctl utility - Resolves: upstream#3489 - p11_child should work wit openssl1.0+ - Resolves: upstream#3750 - [RFE] man 5 sssd-files should mention necessary changes in nsswitch.conf - Resovles: upstream#3650 - RFE: Require smartcard authentication - Resolves: upstream#3334 - sssctl config-check does not check any special characters in domain name of domain section - Resolves: upstream#3849 - Files: The files provider always enumerates which causes duplicate when running getent passwd - Related: upstream#3855 - session not recording for local user when groups defined - Resolves: upstream#3802 - Reuse sysdb_error_to_errno() outside sysdb - Related: upstream#3493 - Remove the pysss.local interface
2018-10-24 08:34:15 +00:00
From 9245bf1afe6767a0412212bc0040e606ee850e7d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20B=C5=99ezina?= <pbrezina@redhat.com>
Date: Wed, 12 Sep 2018 13:21:11 +0200
Subject: [PATCH 41/83] sbus: read destination after sender is set
dbus_message_set_sender may reallocate internal fields which will yield pointer
obtained by dbus_message_get_* invalid.
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
---
src/sbus/server/sbus_server_handler.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/sbus/server/sbus_server_handler.c b/src/sbus/server/sbus_server_handler.c
index c300d81..d4e4547 100644
--- a/src/sbus/server/sbus_server_handler.c
+++ b/src/sbus/server/sbus_server_handler.c
@@ -148,9 +148,6 @@ sbus_server_filter(DBusConnection *dbus_conn,
return DBUS_HANDLER_RESULT_HANDLED;
}
- destination = dbus_message_get_destination(message);
- type = dbus_message_get_type(message);
-
conn = dbus_connection_get_data(dbus_conn, server->data_slot);
if (conn == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "Unknown connection!\n");
@@ -173,6 +170,11 @@ sbus_server_filter(DBusConnection *dbus_conn,
return DBUS_HANDLER_RESULT_HANDLED;
}
+ /* Set sender may reallocate internal fields so this needs to be read
+ * after we call dbus_message_set_sender(). */
+ destination = dbus_message_get_destination(message);
+ type = dbus_message_get_type(message);
+
if (type == DBUS_MESSAGE_TYPE_SIGNAL) {
return sbus_server_route_signal(server, conn, message, destination);
}
--
2.9.5