diff options
| author | Tianjia Zhang <tianjia.zhang@linux.alibaba.com> | 2021-10-25 21:05:00 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-10-25 15:55:30 +0100 |
| commit | 3fb59a5de5cbb04de76915d9f5bff01d16aa1fc4 (patch) | |
| tree | 2b2c6e102c7c1494c7a62623229f95070c064f48 /net/tls/tls_main.c | |
| parent | 39d8fb96e3d74aa55143eb1d076800af87505cfa (diff) | |
| download | lwn-3fb59a5de5cbb04de76915d9f5bff01d16aa1fc4.tar.gz lwn-3fb59a5de5cbb04de76915d9f5bff01d16aa1fc4.zip | |
net/tls: getsockopt supports complete algorithm list
AES_CCM_128 and CHACHA20_POLY1305 are already supported by tls,
similar to setsockopt, getsockopt also needs to support these
two algorithms.
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tls/tls_main.c')
| -rw-r--r-- | net/tls/tls_main.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index d44399efeac6..278192ee133e 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -421,6 +421,48 @@ static int do_tls_getsockopt_conf(struct sock *sk, char __user *optval, rc = -EFAULT; break; } + case TLS_CIPHER_AES_CCM_128: { + struct tls12_crypto_info_aes_ccm_128 *aes_ccm_128 = + container_of(crypto_info, + struct tls12_crypto_info_aes_ccm_128, info); + + if (len != sizeof(*aes_ccm_128)) { + rc = -EINVAL; + goto out; + } + lock_sock(sk); + memcpy(aes_ccm_128->iv, + cctx->iv + TLS_CIPHER_AES_CCM_128_SALT_SIZE, + TLS_CIPHER_AES_CCM_128_IV_SIZE); + memcpy(aes_ccm_128->rec_seq, cctx->rec_seq, + TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE); + release_sock(sk); + if (copy_to_user(optval, aes_ccm_128, sizeof(*aes_ccm_128))) + rc = -EFAULT; + break; + } + case TLS_CIPHER_CHACHA20_POLY1305: { + struct tls12_crypto_info_chacha20_poly1305 *chacha20_poly1305 = + container_of(crypto_info, + struct tls12_crypto_info_chacha20_poly1305, + info); + + if (len != sizeof(*chacha20_poly1305)) { + rc = -EINVAL; + goto out; + } + lock_sock(sk); + memcpy(chacha20_poly1305->iv, + cctx->iv + TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE, + TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE); + memcpy(chacha20_poly1305->rec_seq, cctx->rec_seq, + TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE); + release_sock(sk); + if (copy_to_user(optval, chacha20_poly1305, + sizeof(*chacha20_poly1305))) + rc = -EFAULT; + break; + } case TLS_CIPHER_SM4_GCM: { struct tls12_crypto_info_sm4_gcm *sm4_gcm_info = container_of(crypto_info, |