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17a6ca12d3
This changes the configuration of engines from the global openssl.cnf to files in the /etc/ssl/engines.cnf.d directory. The engines.cnf file has the list of enabled engines, while each engine has its own configuration file installed under /etc/ssl/engines.cnf.d. Patches were refreshed with --zero-commit. Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
275 lines
12 KiB
Diff
275 lines
12 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Eneas U de Queiroz <cote2004-github@yahoo.com>
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Date: Tue, 6 Nov 2018 22:54:07 -0200
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Subject: eng_devcrypto: add command to dump driver info
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This is useful to determine the kernel driver running each algorithm.
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Signed-off-by: Eneas U de Queiroz <cote2004-github@yahoo.com>
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Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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(Merged from https://github.com/openssl/openssl/pull/7585)
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diff --git a/crypto/engine/eng_devcrypto.c b/crypto/engine/eng_devcrypto.c
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--- a/crypto/engine/eng_devcrypto.c
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+++ b/crypto/engine/eng_devcrypto.c
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@@ -50,16 +50,20 @@ static int use_softdrivers = DEVCRYPTO_DEFAULT_USE_SOFDTRIVERS;
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*/
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struct driver_info_st {
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enum devcrypto_status_t {
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- DEVCRYPTO_STATUS_UNUSABLE = -1, /* session open failed */
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- DEVCRYPTO_STATUS_UNKNOWN = 0, /* not tested yet */
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- DEVCRYPTO_STATUS_USABLE = 1 /* algo can be used */
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+ DEVCRYPTO_STATUS_FAILURE = -3, /* unusable for other reason */
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+ DEVCRYPTO_STATUS_NO_CIOCCPHASH = -2, /* hash state copy not supported */
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+ DEVCRYPTO_STATUS_NO_CIOCGSESSION = -1, /* session open failed */
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+ DEVCRYPTO_STATUS_UNKNOWN = 0, /* not tested yet */
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+ DEVCRYPTO_STATUS_USABLE = 1 /* algo can be used */
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} status;
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enum devcrypto_accelerated_t {
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- DEVCRYPTO_NOT_ACCELERATED = -1, /* software implemented */
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- DEVCRYPTO_ACCELERATION_UNKNOWN = 0, /* acceleration support unkown */
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- DEVCRYPTO_ACCELERATED = 1 /* hardware accelerated */
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+ DEVCRYPTO_NOT_ACCELERATED = -1, /* software implemented */
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+ DEVCRYPTO_ACCELERATION_UNKNOWN = 0, /* acceleration support unkown */
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+ DEVCRYPTO_ACCELERATED = 1 /* hardware accelerated */
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} accelerated;
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+
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+ char *driver_name;
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};
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static int clean_devcrypto_session(struct session_op *sess) {
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@@ -415,7 +419,7 @@ static void prepare_cipher_methods(void)
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sess.cipher = cipher_data[i].devcryptoid;
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sess.keylen = cipher_data[i].keylen;
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if (ioctl(cfd, CIOCGSESSION, &sess) < 0) {
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- cipher_driver_info[i].status = DEVCRYPTO_STATUS_UNUSABLE;
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+ cipher_driver_info[i].status = DEVCRYPTO_STATUS_NO_CIOCGSESSION;
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continue;
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}
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@@ -443,19 +447,24 @@ static void prepare_cipher_methods(void)
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cipher_cleanup)
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|| !EVP_CIPHER_meth_set_impl_ctx_size(known_cipher_methods[i],
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sizeof(struct cipher_ctx))) {
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- cipher_driver_info[i].status = DEVCRYPTO_STATUS_UNUSABLE;
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+ cipher_driver_info[i].status = DEVCRYPTO_STATUS_FAILURE;
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EVP_CIPHER_meth_free(known_cipher_methods[i]);
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known_cipher_methods[i] = NULL;
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} else {
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cipher_driver_info[i].status = DEVCRYPTO_STATUS_USABLE;
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#ifdef CIOCGSESSINFO
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siop.ses = sess.ses;
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- if (ioctl(cfd, CIOCGSESSINFO, &siop) < 0)
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+ if (ioctl(cfd, CIOCGSESSINFO, &siop) < 0) {
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cipher_driver_info[i].accelerated = DEVCRYPTO_ACCELERATION_UNKNOWN;
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- else if (!(siop.flags & SIOP_FLAG_KERNEL_DRIVER_ONLY))
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- cipher_driver_info[i].accelerated = DEVCRYPTO_NOT_ACCELERATED;
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- else
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- cipher_driver_info[i].accelerated = DEVCRYPTO_ACCELERATED;
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+ } else {
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+ cipher_driver_info[i].driver_name =
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+ OPENSSL_strndup(siop.cipher_info.cra_driver_name,
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+ CRYPTODEV_MAX_ALG_NAME);
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+ if (!(siop.flags & SIOP_FLAG_KERNEL_DRIVER_ONLY))
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+ cipher_driver_info[i].accelerated = DEVCRYPTO_NOT_ACCELERATED;
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+ else
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+ cipher_driver_info[i].accelerated = DEVCRYPTO_ACCELERATED;
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+ }
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#endif /* CIOCGSESSINFO */
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}
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ioctl(cfd, CIOCFSESSION, &sess.ses);
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@@ -505,8 +514,11 @@ static void destroy_all_cipher_methods(void)
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{
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size_t i;
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- for (i = 0; i < OSSL_NELEM(cipher_data); i++)
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+ for (i = 0; i < OSSL_NELEM(cipher_data); i++) {
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destroy_cipher_method(cipher_data[i].nid);
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+ OPENSSL_free(cipher_driver_info[i].driver_name);
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+ cipher_driver_info[i].driver_name = NULL;
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+ }
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}
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static int devcrypto_ciphers(ENGINE *e, const EVP_CIPHER **cipher,
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@@ -550,6 +562,40 @@ static int cryptodev_select_cipher_cb(const char *str, int len, void *usr)
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return 1;
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}
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+static void dump_cipher_info(void)
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+{
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+ size_t i;
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+ const char *name;
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+
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+ fprintf (stderr, "Information about ciphers supported by the /dev/crypto"
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+ " engine:\n");
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+#ifndef CIOCGSESSINFO
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+ fprintf(stderr, "CIOCGSESSINFO (session info call) unavailable\n");
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+#endif
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+ for (i = 0; i < OSSL_NELEM(cipher_data); i++) {
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+ name = OBJ_nid2sn(cipher_data[i].nid);
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+ fprintf (stderr, "Cipher %s, NID=%d, /dev/crypto info: id=%d, ",
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+ name ? name : "unknown", cipher_data[i].nid,
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+ cipher_data[i].devcryptoid);
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+ if (cipher_driver_info[i].status == DEVCRYPTO_STATUS_NO_CIOCGSESSION ) {
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+ fprintf (stderr, "CIOCGSESSION (session open call) failed\n");
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+ continue;
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+ }
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+ fprintf (stderr, "driver=%s ", cipher_driver_info[i].driver_name ?
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+ cipher_driver_info[i].driver_name : "unknown");
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+ if (cipher_driver_info[i].accelerated == DEVCRYPTO_ACCELERATED)
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+ fprintf(stderr, "(hw accelerated)");
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+ else if (cipher_driver_info[i].accelerated == DEVCRYPTO_NOT_ACCELERATED)
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+ fprintf(stderr, "(software)");
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+ else
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+ fprintf(stderr, "(acceleration status unknown)");
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+ if (cipher_driver_info[i].status == DEVCRYPTO_STATUS_FAILURE)
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+ fprintf (stderr, ". Cipher setup failed");
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+ fprintf(stderr, "\n");
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+ }
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+ fprintf(stderr, "\n");
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+}
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+
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/*
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* We only support digests if the cryptodev implementation supports multiple
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* data updates and session copying. Otherwise, we would be forced to maintain
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@@ -812,31 +858,36 @@ static void prepare_digest_methods(void)
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sess1.mac = digest_data[i].devcryptoid;
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sess2.ses = 0;
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if (ioctl(cfd, CIOCGSESSION, &sess1) < 0) {
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- digest_driver_info[i].status = DEVCRYPTO_STATUS_UNUSABLE;
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+ digest_driver_info[i].status = DEVCRYPTO_STATUS_NO_CIOCGSESSION;
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goto finish;
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}
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#ifdef CIOCGSESSINFO
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/* gather hardware acceleration info from the driver */
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siop.ses = sess1.ses;
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- if (ioctl(cfd, CIOCGSESSINFO, &siop) < 0)
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+ if (ioctl(cfd, CIOCGSESSINFO, &siop) < 0) {
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digest_driver_info[i].accelerated = DEVCRYPTO_ACCELERATION_UNKNOWN;
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- else if (siop.flags & SIOP_FLAG_KERNEL_DRIVER_ONLY)
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- digest_driver_info[i].accelerated = DEVCRYPTO_ACCELERATED;
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- else
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- digest_driver_info[i].accelerated = DEVCRYPTO_NOT_ACCELERATED;
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+ } else {
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+ digest_driver_info[i].driver_name =
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+ OPENSSL_strndup(siop.hash_info.cra_driver_name,
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+ CRYPTODEV_MAX_ALG_NAME);
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+ if (siop.flags & SIOP_FLAG_KERNEL_DRIVER_ONLY)
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+ digest_driver_info[i].accelerated = DEVCRYPTO_ACCELERATED;
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+ else
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+ digest_driver_info[i].accelerated = DEVCRYPTO_NOT_ACCELERATED;
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+ }
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#endif
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/* digest must be capable of hash state copy */
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sess2.mac = sess1.mac;
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if (ioctl(cfd, CIOCGSESSION, &sess2) < 0) {
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- digest_driver_info[i].status = DEVCRYPTO_STATUS_UNUSABLE;
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+ digest_driver_info[i].status = DEVCRYPTO_STATUS_FAILURE;
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goto finish;
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}
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cphash.src_ses = sess1.ses;
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cphash.dst_ses = sess2.ses;
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if (ioctl(cfd, CIOCCPHASH, &cphash) < 0) {
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- digest_driver_info[i].status = DEVCRYPTO_STATUS_UNUSABLE;
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+ digest_driver_info[i].status = DEVCRYPTO_STATUS_NO_CIOCCPHASH;
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goto finish;
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}
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if ((known_digest_methods[i] = EVP_MD_meth_new(digest_data[i].nid,
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@@ -852,7 +903,7 @@ static void prepare_digest_methods(void)
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|| !EVP_MD_meth_set_cleanup(known_digest_methods[i], digest_cleanup)
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|| !EVP_MD_meth_set_app_datasize(known_digest_methods[i],
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sizeof(struct digest_ctx))) {
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- digest_driver_info[i].status = DEVCRYPTO_STATUS_UNUSABLE;
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+ digest_driver_info[i].status = DEVCRYPTO_STATUS_FAILURE;
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EVP_MD_meth_free(known_digest_methods[i]);
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known_digest_methods[i] = NULL;
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goto finish;
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@@ -894,8 +945,11 @@ static void destroy_all_digest_methods(void)
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{
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size_t i;
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- for (i = 0; i < OSSL_NELEM(digest_data); i++)
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+ for (i = 0; i < OSSL_NELEM(digest_data); i++) {
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destroy_digest_method(digest_data[i].nid);
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+ OPENSSL_free(digest_driver_info[i].driver_name);
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+ digest_driver_info[i].driver_name = NULL;
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+ }
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}
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static int devcrypto_digests(ENGINE *e, const EVP_MD **digest,
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@@ -939,6 +993,43 @@ static int cryptodev_select_digest_cb(const char *str, int len, void *usr)
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return 1;
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}
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+static void dump_digest_info(void)
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+{
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+ size_t i;
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+ const char *name;
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+
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+ fprintf (stderr, "Information about digests supported by the /dev/crypto"
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+ " engine:\n");
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+#ifndef CIOCGSESSINFO
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+ fprintf(stderr, "CIOCGSESSINFO (session info call) unavailable\n");
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+#endif
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+
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+ for (i = 0; i < OSSL_NELEM(digest_data); i++) {
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+ name = OBJ_nid2sn(digest_data[i].nid);
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+ fprintf (stderr, "Digest %s, NID=%d, /dev/crypto info: id=%d, driver=%s",
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+ name ? name : "unknown", digest_data[i].nid,
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+ digest_data[i].devcryptoid,
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+ digest_driver_info[i].driver_name ? digest_driver_info[i].driver_name : "unknown");
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+ if (digest_driver_info[i].status == DEVCRYPTO_STATUS_NO_CIOCGSESSION) {
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+ fprintf (stderr, ". CIOCGSESSION (session open) failed\n");
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+ continue;
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+ }
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+ if (digest_driver_info[i].accelerated == DEVCRYPTO_ACCELERATED)
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+ fprintf(stderr, " (hw accelerated)");
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+ else if (digest_driver_info[i].accelerated == DEVCRYPTO_NOT_ACCELERATED)
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+ fprintf(stderr, " (software)");
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+ else
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+ fprintf(stderr, " (acceleration status unknown)");
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+ if (cipher_driver_info[i].status == DEVCRYPTO_STATUS_FAILURE)
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+ fprintf (stderr, ". Cipher setup failed\n");
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+ else if (digest_driver_info[i].status == DEVCRYPTO_STATUS_NO_CIOCCPHASH)
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+ fprintf(stderr, ", CIOCCPHASH failed\n");
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+ else
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+ fprintf(stderr, ", CIOCCPHASH capable\n");
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+ }
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+ fprintf(stderr, "\n");
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+}
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+
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#endif
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/******************************************************************************
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@@ -983,6 +1074,11 @@ static const ENGINE_CMD_DEFN devcrypto_cmds[] = {
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ENGINE_CMD_FLAG_STRING},
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#endif
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+ {DEVCRYPTO_CMD_DUMP_INFO,
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+ "DUMP_INFO",
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+ "dump info about each algorithm to stderr; use 'openssl engine -pre DUMP_INFO devcrypto'",
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+ ENGINE_CMD_FLAG_NO_INPUT},
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+
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{0, NULL, NULL, 0}
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};
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@@ -1051,6 +1147,13 @@ static int devcrypto_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f) (void))
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return 1;
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#endif /* IMPLEMENT_DIGEST */
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+ case DEVCRYPTO_CMD_DUMP_INFO:
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+ dump_cipher_info();
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+#ifdef IMPLEMENT_DIGEST
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+ dump_digest_info();
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+#endif
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+ return 1;
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+
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default:
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break;
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}
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