From a06fab953f99e778883618dd0aeaef8da5d5b32a Mon Sep 17 00:00:00 2001 From: Jim Fehlig Date: Wed, 15 Feb 2012 10:01:50 -0700 Subject: [PATCH] Fix polkit0 authentication Commit 7033c5f2 introduced some bugs in polkit0 authentication. Fix libvirtd segfault in remoteDispatchAuthPolkit(). Fix polkit authentication bypass when caller UID = 0. --- daemon/remote.c | 20 +++++++++----------- 1 files changed, 9 insertions(+), 11 deletions(-) Index: libvirt-0.9.10/daemon/remote.c =================================================================== --- libvirt-0.9.10.orig/daemon/remote.c +++ libvirt-0.9.10/daemon/remote.c @@ -2052,16 +2052,16 @@ remoteDispatchAuthList(virNetServerPtr s } else if (callerUid == 0) { char *ident; if (virAsprintf(&ident, "pid:%lld,uid:%d", - (long long) callerPid, callerUid) == 0) { - VIR_INFO("Bypass polkit auth for privileged client %s", - ident); - if (virNetServerClientSetIdentity(client, ident) < 0) - virResetLastError(); - else - auth = VIR_NET_SERVER_SERVICE_AUTH_NONE; - VIR_FREE(ident); + (long long) callerPid, callerUid) < 0) { + virReportOOMError(); + goto cleanup; } - rv = -1; + VIR_INFO("Bypass polkit auth for privileged client %s", ident); + if (virNetServerClientSetIdentity(client, ident) < 0) + virResetLastError(); + else + auth = VIR_NET_SERVER_SERVICE_AUTH_NONE; + VIR_FREE(ident); } } @@ -2592,8 +2592,6 @@ remoteDispatchAuthPolkit(virNetServerPtr struct daemonClientPrivate *priv = virNetServerClientGetPrivateData(client); - memset(ident, 0, sizeof ident); - virMutexLock(&priv->lock); action = virNetServerClientGetReadonly(client) ?