diff options
| -rw-r--r-- | crypto/crypto_user.c | 12 | ||||
| -rw-r--r-- | include/uapi/linux/cryptouser.h | 1 |
2 files changed, 12 insertions, 1 deletions
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index 11dbd5a81c72..08ea2867fc8a 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -27,6 +27,7 @@ #include <net/net_namespace.h> #include <crypto/internal/aead.h> #include <crypto/internal/skcipher.h> +#include <crypto/internal/rng.h> #include <crypto/akcipher.h> #include "internal.h" @@ -472,13 +473,21 @@ static int crypto_add_alg(struct sk_buff *skb, struct nlmsghdr *nlh, return 0; } +static int crypto_del_rng(struct sk_buff *skb, struct nlmsghdr *nlh, + struct nlattr **attrs) +{ + if (!netlink_capable(skb, CAP_NET_ADMIN)) + return -EPERM; + return crypto_del_default_rng(); +} + #define MSGSIZE(type) sizeof(struct type) static const int crypto_msg_min[CRYPTO_NR_MSGTYPES] = { [CRYPTO_MSG_NEWALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), [CRYPTO_MSG_DELALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), [CRYPTO_MSG_UPDATEALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), - [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = MSGSIZE(crypto_user_alg), + [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = 0, }; static const struct nla_policy crypto_policy[CRYPTOCFGA_MAX+1] = { @@ -498,6 +507,7 @@ static const struct crypto_link { [CRYPTO_MSG_GETALG - CRYPTO_MSG_BASE] = { .doit = crypto_report, .dump = crypto_dump_report, .done = crypto_dump_report_done}, + [CRYPTO_MSG_DELRNG - CRYPTO_MSG_BASE] = { .doit = crypto_del_rng }, }; static int crypto_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) diff --git a/include/uapi/linux/cryptouser.h b/include/uapi/linux/cryptouser.h index 36efbbbf2f83..2e67bb64c1da 100644 --- a/include/uapi/linux/cryptouser.h +++ b/include/uapi/linux/cryptouser.h @@ -25,6 +25,7 @@ enum { CRYPTO_MSG_DELALG, CRYPTO_MSG_UPDATEALG, CRYPTO_MSG_GETALG, + CRYPTO_MSG_DELRNG, __CRYPTO_MSG_MAX }; #define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1) |