The directory tools/crypto and the only file under it never gets
built anywhere. This program should instead be incorporated into
one of the existing user-space projects, crconf or libkcapi.
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
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@xxxxxxxxxx> */
-#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;
-}
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
