diff options
Diffstat (limited to 'tools/crypto/getstat.c')
| -rw-r--r-- | tools/crypto/getstat.c | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/tools/crypto/getstat.c b/tools/crypto/getstat.c deleted file mode 100644 index 9e8ff76420fa..000000000000 --- a/tools/crypto/getstat.c +++ /dev/null @@ -1,294 +0,0 @@ -/* Heavily copied from libkcapi 2015 - 2017, Stephan Mueller <smueller@chronox.de> */ -#include <errno.h> -#include <linux/cryptouser.h> -#include <linux/netlink.h> -#include <linux/rtnetlink.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <time.h> -#include <unistd.h> - -#define CR_RTA(x) ((struct rtattr *)(((char *)(x)) + NLMSG_ALIGN(sizeof(struct crypto_user_alg)))) - -static int get_stat(const char *drivername) -{ - struct { - struct nlmsghdr n; - struct crypto_user_alg cru; - } req; - struct sockaddr_nl nl; - int sd = 0, ret; - socklen_t addr_len; - struct iovec iov; - struct msghdr msg; - char buf[4096]; - struct nlmsghdr *res_n = (struct nlmsghdr *)buf; - struct crypto_user_alg *cru_res = NULL; - int res_len = 0; - struct rtattr *tb[CRYPTOCFGA_MAX + 1]; - struct rtattr *rta; - struct nlmsgerr *errmsg; - - memset(&req, 0, sizeof(req)); - memset(&buf, 0, sizeof(buf)); - memset(&msg, 0, sizeof(msg)); - - req.n.nlmsg_len = NLMSG_LENGTH(sizeof(req.cru)); - req.n.nlmsg_flags = NLM_F_REQUEST; - req.n.nlmsg_type = CRYPTO_MSG_GETSTAT; - req.n.nlmsg_seq = time(NULL); - - strncpy(req.cru.cru_driver_name, drivername, strlen(drivername)); - - sd = socket(AF_NETLINK, SOCK_RAW, NETLINK_CRYPTO); - if (sd < 0) { - fprintf(stderr, "Netlink error: cannot open netlink socket"); - return -errno; - } - memset(&nl, 0, sizeof(nl)); - nl.nl_family = AF_NETLINK; - if (bind(sd, (struct sockaddr *)&nl, sizeof(nl)) < 0) { - ret = -errno; - fprintf(stderr, "Netlink error: cannot bind netlink socket"); - goto out; - } - - /* sanity check that netlink socket was successfully opened */ - addr_len = sizeof(nl); - if (getsockname(sd, (struct sockaddr *)&nl, &addr_len) < 0) { - ret = -errno; - printf("Netlink error: cannot getsockname"); - goto out; - } - if (addr_len != sizeof(nl)) { - ret = -errno; - printf("Netlink error: wrong address length %d", addr_len); - goto out; - } - if (nl.nl_family != AF_NETLINK) { - ret = -errno; - printf("Netlink error: wrong address family %d", - nl.nl_family); - goto out; - } - - memset(&nl, 0, sizeof(nl)); - nl.nl_family = AF_NETLINK; - iov.iov_base = (void *)&req.n; - iov.iov_len = req.n.nlmsg_len; - msg.msg_name = &nl; - msg.msg_namelen = sizeof(nl); - msg.msg_iov = &iov; - msg.msg_iovlen = 1; - if (sendmsg(sd, &msg, 0) < 0) { - ret = -errno; - printf("Netlink error: sendmsg failed"); - goto out; - } - memset(buf, 0, sizeof(buf)); - iov.iov_base = buf; - while (1) { - iov.iov_len = sizeof(buf); - ret = recvmsg(sd, &msg, 0); - if (ret < 0) { - if (errno == EINTR || errno == EAGAIN) - continue; - ret = -errno; - printf("Netlink error: netlink receive error"); - goto out; - } - if (ret == 0) { - ret = -errno; - printf("Netlink error: no data"); - goto out; - } - if (ret > sizeof(buf)) { - ret = -errno; - printf("Netlink error: received too much data"); - goto out; - } - break; - } - - ret = -EFAULT; - res_len = res_n->nlmsg_len; - if (res_n->nlmsg_type == NLMSG_ERROR) { - errmsg = NLMSG_DATA(res_n); - fprintf(stderr, "Fail with %d\n", errmsg->error); - ret = errmsg->error; - goto out; - } - - if (res_n->nlmsg_type == CRYPTO_MSG_GETSTAT) { - cru_res = NLMSG_DATA(res_n); - res_len -= NLMSG_SPACE(sizeof(*cru_res)); - } - if (res_len < 0) { - printf("Netlink error: nlmsg len %d\n", res_len); - goto out; - } - - if (!cru_res) { - ret = -EFAULT; - printf("Netlink error: no cru_res\n"); - goto out; - } - - rta = CR_RTA(cru_res); - memset(tb, 0, sizeof(struct rtattr *) * (CRYPTOCFGA_MAX + 1)); - while (RTA_OK(rta, res_len)) { - if ((rta->rta_type <= CRYPTOCFGA_MAX) && (!tb[rta->rta_type])) - tb[rta->rta_type] = rta; - rta = RTA_NEXT(rta, res_len); - } - if (res_len) { - printf("Netlink error: unprocessed data %d", - res_len); - goto out; - } - - if (tb[CRYPTOCFGA_STAT_HASH]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_HASH]; - struct crypto_stat_hash *rhash = - (struct crypto_stat_hash *)RTA_DATA(rta); - printf("%s\tHash\n\tHash: %llu bytes: %llu\n\tErrors: %llu\n", - drivername, - rhash->stat_hash_cnt, rhash->stat_hash_tlen, - rhash->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_COMPRESS]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_COMPRESS]; - struct crypto_stat_compress *rblk = - (struct crypto_stat_compress *)RTA_DATA(rta); - printf("%s\tCompress\n\tCompress: %llu bytes: %llu\n\tDecompress: %llu bytes: %llu\n\tErrors: %llu\n", - drivername, - rblk->stat_compress_cnt, rblk->stat_compress_tlen, - rblk->stat_decompress_cnt, rblk->stat_decompress_tlen, - rblk->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_ACOMP]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_ACOMP]; - struct crypto_stat_compress *rcomp = - (struct crypto_stat_compress *)RTA_DATA(rta); - printf("%s\tACompress\n\tCompress: %llu bytes: %llu\n\tDecompress: %llu bytes: %llu\n\tErrors: %llu\n", - drivername, - rcomp->stat_compress_cnt, rcomp->stat_compress_tlen, - rcomp->stat_decompress_cnt, rcomp->stat_decompress_tlen, - rcomp->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_AEAD]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_AEAD]; - struct crypto_stat_aead *raead = - (struct crypto_stat_aead *)RTA_DATA(rta); - printf("%s\tAEAD\n\tEncrypt: %llu bytes: %llu\n\tDecrypt: %llu bytes: %llu\n\tErrors: %llu\n", - drivername, - raead->stat_encrypt_cnt, raead->stat_encrypt_tlen, - raead->stat_decrypt_cnt, raead->stat_decrypt_tlen, - raead->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_BLKCIPHER]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_BLKCIPHER]; - struct crypto_stat_cipher *rblk = - (struct crypto_stat_cipher *)RTA_DATA(rta); - printf("%s\tCipher\n\tEncrypt: %llu bytes: %llu\n\tDecrypt: %llu bytes: %llu\n\tErrors: %llu\n", - drivername, - rblk->stat_encrypt_cnt, rblk->stat_encrypt_tlen, - rblk->stat_decrypt_cnt, rblk->stat_decrypt_tlen, - rblk->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_AKCIPHER]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_AKCIPHER]; - struct crypto_stat_akcipher *rblk = - (struct crypto_stat_akcipher *)RTA_DATA(rta); - printf("%s\tAkcipher\n\tEncrypt: %llu bytes: %llu\n\tDecrypt: %llu bytes: %llu\n\tSign: %llu\n\tVerify: %llu\n\tErrors: %llu\n", - drivername, - rblk->stat_encrypt_cnt, rblk->stat_encrypt_tlen, - rblk->stat_decrypt_cnt, rblk->stat_decrypt_tlen, - rblk->stat_sign_cnt, rblk->stat_verify_cnt, - rblk->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_CIPHER]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_CIPHER]; - struct crypto_stat_cipher *rblk = - (struct crypto_stat_cipher *)RTA_DATA(rta); - printf("%s\tcipher\n\tEncrypt: %llu bytes: %llu\n\tDecrypt: %llu bytes: %llu\n\tErrors: %llu\n", - drivername, - rblk->stat_encrypt_cnt, rblk->stat_encrypt_tlen, - rblk->stat_decrypt_cnt, rblk->stat_decrypt_tlen, - rblk->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_RNG]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_RNG]; - struct crypto_stat_rng *rrng = - (struct crypto_stat_rng *)RTA_DATA(rta); - printf("%s\tRNG\n\tSeed: %llu\n\tGenerate: %llu bytes: %llu\n\tErrors: %llu\n", - drivername, - rrng->stat_seed_cnt, - rrng->stat_generate_cnt, rrng->stat_generate_tlen, - rrng->stat_err_cnt); - } else if (tb[CRYPTOCFGA_STAT_KPP]) { - struct rtattr *rta = tb[CRYPTOCFGA_STAT_KPP]; - struct crypto_stat_kpp *rkpp = - (struct crypto_stat_kpp *)RTA_DATA(rta); - printf("%s\tKPP\n\tSetsecret: %llu\n\tGenerate public key: %llu\n\tCompute_shared_secret: %llu\n\tErrors: %llu\n", - drivername, - rkpp->stat_setsecret_cnt, - rkpp->stat_generate_public_key_cnt, - rkpp->stat_compute_shared_secret_cnt, - rkpp->stat_err_cnt); - } else { - fprintf(stderr, "%s is of an unknown algorithm\n", drivername); - } - ret = 0; -out: - close(sd); - return ret; -} - -int main(int argc, const char *argv[]) -{ - char buf[4096]; - FILE *procfd; - int i, lastspace; - int ret; - - procfd = fopen("/proc/crypto", "r"); - if (!procfd) { - ret = errno; - fprintf(stderr, "Cannot open /proc/crypto %s\n", strerror(errno)); - return ret; - } - if (argc > 1) { - if (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help")) { - printf("Usage: %s [-h|--help] display this help\n", argv[0]); - printf("Usage: %s display all crypto statistics\n", argv[0]); - printf("Usage: %s drivername1 drivername2 ... = display crypto statistics about drivername1 ...\n", argv[0]); - return 0; - } - for (i = 1; i < argc; i++) { - ret = get_stat(argv[i]); - if (ret) { - fprintf(stderr, "Failed with %s\n", strerror(-ret)); - return ret; - } - } - return 0; - } - - while (fgets(buf, sizeof(buf), procfd)) { - if (!strncmp(buf, "driver", 6)) { - lastspace = 0; - i = 0; - while (i < strlen(buf)) { - i++; - if (buf[i] == ' ') - lastspace = i; - } - buf[strlen(buf) - 1] = '\0'; - ret = get_stat(buf + lastspace + 1); - if (ret) { - fprintf(stderr, "Failed with %s\n", strerror(-ret)); - goto out; - } - } - } -out: - fclose(procfd); - return ret; -} |