[PATCH userspace v2] libsepol: add bpf_token_perms polcap

[PATCH userspace v2] libsepol: add bpf_token_perms polcap

[Eric Suen]

New policy capability 'bpf_token_perms' required by patch to support SELinux
for BPF token control:
  https://lore.kernel.org/selinux/20250806180149.1995-1-ericsu@linux.microsoft.com/

Signed-off-by: Eric Suen <ericsu@linux.microsoft.com>
---
Changes in v2:
- Rebase to the latest changes

 libsepol/include/sepol/policydb/polcaps.h | 1 +
 libsepol/src/polcaps.c                    | 1 +
 2 files changed, 2 insertions(+)

diff --git a/libsepol/include/sepol/policydb/polcaps.h b/libsepol/include/sepol/policydb/polcaps.h
index 5a3fbdb4..ef529e76 100644
--- a/libsepol/include/sepol/policydb/polcaps.h
+++ b/libsepol/include/sepol/policydb/polcaps.h
@@ -21,6 +21,7 @@ enum {
 	POLICYDB_CAP_GENFS_SECLABEL_WILDCARD,
 	POLICYDB_CAP_FUNCTIONFS_SECLABEL,
 	POLICYDB_CAP_MEMFD_CLASS,
+	POLICYDB_CAP_BPF_TOKEN_PERMS,
 	__POLICYDB_CAP_MAX
 };
 #define POLICYDB_CAP_MAX (__POLICYDB_CAP_MAX - 1)
diff --git a/libsepol/src/polcaps.c b/libsepol/src/polcaps.c
index 526f35ed..31b52d70 100644
--- a/libsepol/src/polcaps.c
+++ b/libsepol/src/polcaps.c
@@ -20,6 +20,7 @@ static const char * const polcap_names[POLICYDB_CAP_MAX + 1] = {
 	[POLICYDB_CAP_GENFS_SECLABEL_WILDCARD]		= "genfs_seclabel_wildcard",
 	[POLICYDB_CAP_FUNCTIONFS_SECLABEL]		= "functionfs_seclabel",
 	[POLICYDB_CAP_MEMFD_CLASS]			= "memfd_class",
+	[POLICYDB_CAP_BPF_TOKEN_PERMS]                  = "bpf_token_perms",
 };
 
 int sepol_polcap_getnum(const char *name)
-- 
2.50.1

Re: [PATCH userspace v2] libsepol: add bpf_token_perms polcap

[Stephen Smalley]

On Wed, Oct 8, 2025 at 7:33 PM Eric Suen <ericsu@linux.microsoft.com> wrote:
>
> New policy capability 'bpf_token_perms' required by patch to support SELinux
> for BPF token control:
>   https://lore.kernel.org/selinux/20250806180149.1995-1-ericsu@linux.microsoft.com/
>
> Signed-off-by: Eric Suen <ericsu@linux.microsoft.com>

Will wait to merge until after the kernel patch is merged.

Acked-by: Stephen Smalley <stephen.smalley.work@gmail.com>

> ---
> Changes in v2:
> - Rebase to the latest changes
>
>  libsepol/include/sepol/policydb/polcaps.h | 1 +
>  libsepol/src/polcaps.c                    | 1 +
>  2 files changed, 2 insertions(+)
>
> diff --git a/libsepol/include/sepol/policydb/polcaps.h b/libsepol/include/sepol/policydb/polcaps.h
> index 5a3fbdb4..ef529e76 100644
> --- a/libsepol/include/sepol/policydb/polcaps.h
> +++ b/libsepol/include/sepol/policydb/polcaps.h
> @@ -21,6 +21,7 @@ enum {
>         POLICYDB_CAP_GENFS_SECLABEL_WILDCARD,
>         POLICYDB_CAP_FUNCTIONFS_SECLABEL,
>         POLICYDB_CAP_MEMFD_CLASS,
> +       POLICYDB_CAP_BPF_TOKEN_PERMS,
>         __POLICYDB_CAP_MAX
>  };
>  #define POLICYDB_CAP_MAX (__POLICYDB_CAP_MAX - 1)
> diff --git a/libsepol/src/polcaps.c b/libsepol/src/polcaps.c
> index 526f35ed..31b52d70 100644
> --- a/libsepol/src/polcaps.c
> +++ b/libsepol/src/polcaps.c
> @@ -20,6 +20,7 @@ static const char * const polcap_names[POLICYDB_CAP_MAX + 1] = {
>         [POLICYDB_CAP_GENFS_SECLABEL_WILDCARD]          = "genfs_seclabel_wildcard",
>         [POLICYDB_CAP_FUNCTIONFS_SECLABEL]              = "functionfs_seclabel",
>         [POLICYDB_CAP_MEMFD_CLASS]                      = "memfd_class",
> +       [POLICYDB_CAP_BPF_TOKEN_PERMS]                  = "bpf_token_perms",
>  };
>
>  int sepol_polcap_getnum(const char *name)
> --
> 2.50.1
>
>