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virtualbox: Support UIDGID_STRICT_TYPE_CHECKS.

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This adds a patch to support CONFIG_UIDGID_STRICT_TYPE_CHECKS being activated in
the kernel config (selected by CONFIG_USER_NS for example).

When this kernel option is enabled, current->cred->uid is a structure rather
than a simple integer type (uid_t and gid_t), so we need to check for that and
also pass the current user namespace where needed.

Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This commit is contained in:
aszlig 2013-03-01 05:29:19 +01:00
parent f26b5fb730
commit 1029ca5767
2 changed files with 72 additions and 1 deletions
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5
pkgs/applications/virtualization/virtualbox/default.nix
View File

@ -54,7 +54,10 @@ in stdenv.mkDerivation {
++ optional javaBindings jdk
++ optional pythonBindings python;
patches = singleton ./missing_files_4.2.8.patch;
patches = [
./missing_files_4.2.8.patch
./strict_types.patch
];
prePatch = ''
set -x

68
pkgs/applications/virtualization/virtualbox/strict_types.patch Normal file
View File

@ -0,0 +1,68 @@
diff --git a/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c b/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c
index 9cc124c..d86da0c 100644
--- a/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c
+++ b/src/VBox/HostDrivers/Support/linux/SUPDrv-linux.c
@@ -253,7 +253,11 @@ static struct platform_device gPlatformDevice =
DECLINLINE(RTUID) vboxdrvLinuxUid(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
+# ifdef CONFIG_UIDGID_STRICT_TYPE_CHECKS
+ return from_kuid(current_user_ns(), current_uid());
+# else
return current->cred->uid;
+# endif
#else
return current->uid;
#endif
@@ -262,7 +266,11 @@ DECLINLINE(RTUID) vboxdrvLinuxUid(void)
DECLINLINE(RTGID) vboxdrvLinuxGid(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
+# ifdef CONFIG_UIDGID_STRICT_TYPE_CHECKS
+ return from_kgid(current_user_ns(), current_gid());
+# else
return current->cred->gid;
+# endif
#else
return current->gid;
#endif
@@ -271,7 +279,11 @@ DECLINLINE(RTGID) vboxdrvLinuxGid(void)
DECLINLINE(RTUID) vboxdrvLinuxEuid(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29)
+# ifdef CONFIG_UIDGID_STRICT_TYPE_CHECKS
+ return from_kuid(current_user_ns(), current_euid());
+# else
return current->cred->euid;
+# endif
#else
return current->euid;
#endif
diff --git a/src/VBox/HostDrivers/VBoxPci/linux/VBoxPci-linux.c b/src/VBox/HostDrivers/VBoxPci/linux/VBoxPci-linux.c
index 575f739..8909e79 100644
--- a/src/VBox/HostDrivers/VBoxPci/linux/VBoxPci-linux.c
+++ b/src/VBox/HostDrivers/VBoxPci/linux/VBoxPci-linux.c
@@ -429,7 +429,11 @@ int vboxPciOsDevDetachHostDriver(PVBOXRAWPCIINS pIns)
if (!pNewCreds)
goto done;
+# ifdef CONFIG_UIDGID_STRICT_TYPE_CHECKS
+ pNewCreds->fsuid = GLOBAL_ROOT_UID;;
+# else
pNewCreds->fsuid = 0;
+# endif
pOldCreds = override_creds(pNewCreds);
#endif
@@ -539,7 +543,11 @@ int vboxPciOsDevReattachHostDriver(PVBOXRAWPCIINS pIns)
if (!pNewCreds)
goto done;
+# ifdef CONFIG_UIDGID_STRICT_TYPE_CHECKS
+ pNewCreds->fsuid = GLOBAL_ROOT_UID;;
+# else
pNewCreds->fsuid = 0;
+# endif
pOldCreds = override_creds(pNewCreds);
#endif
RTStrPrintf(szFileBuf, cMaxBuf,