diff options
| author | KP Singh <kpsingh@kernel.org> | 2025-09-14 23:51:36 +0200 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-09-18 19:11:42 -0700 |
| commit | 8cd189e414bb705312fbfff7f7b5605f6de2459a (patch) | |
| tree | 18af4c9497c843f51430f7c3c31bd226c1fb5c42 /include | |
| parent | ea2e6467ac36bf3d785defc89e58269b15d182f7 (diff) | |
bpf: Move the signature kfuncs to helpers.c
No functional changes, except for the addition of the headers for the
kfuncs so that they can be used for signature verification.
Signed-off-by: KP Singh <kpsingh@kernel.org>
Link: https://lore.kernel.org/r/20250914215141.15144-8-kpsingh@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bpf.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index e0c2c78a5faa..dfc1a27b56d5 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -3424,6 +3424,38 @@ static inline int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, #endif /* CONFIG_BPF_SYSCALL */ #endif /* defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL) */ +#if defined(CONFIG_KEYS) && defined(CONFIG_BPF_SYSCALL) + +struct bpf_key *bpf_lookup_user_key(s32 serial, u64 flags); +struct bpf_key *bpf_lookup_system_key(u64 id); +void bpf_key_put(struct bpf_key *bkey); +int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_p, + struct bpf_dynptr *sig_p, + struct bpf_key *trusted_keyring); + +#else +static inline struct bpf_key *bpf_lookup_user_key(u32 serial, u64 flags) +{ + return NULL; +} + +static inline struct bpf_key *bpf_lookup_system_key(u64 id) +{ + return NULL; +} + +static inline void bpf_key_put(struct bpf_key *bkey) +{ +} + +static inline int bpf_verify_pkcs7_signature(struct bpf_dynptr *data_p, + struct bpf_dynptr *sig_p, + struct bpf_key *trusted_keyring) +{ + return -EOPNOTSUPP; +} +#endif /* defined(CONFIG_KEYS) && defined(CONFIG_BPF_SYSCALL) */ + /* verifier prototypes for helper functions called from eBPF programs */ extern const struct bpf_func_proto bpf_map_lookup_elem_proto; extern const struct bpf_func_proto bpf_map_update_elem_proto; |