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From 85a5cce40dba0393e636c0eb5af9d8f8746f2315 Mon Sep 17 00:00:00 2001
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From: Mohit Agrawal <moagrawal@redhat.com>
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Date: Thu, 2 Jan 2020 10:23:52 +0530
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Subject: [PATCH 497/511] socket: Use AES128 cipher in SSL if AES is supported
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by CPU
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SSL performance is improved after configuring AES128 cipher
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so use AES128 cipher as a default cipher on the CPU those
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enabled AES bits otherwise ssl use AES256 cipher
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> Change-Id: I91c50fe987cbb22ed76f8012094730c592c63506
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> Fixes: #1050
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> Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
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> (Cherry pick from commit 177cc09d24515596eb51739ce0a276c26e3c52f1)
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> (Reviewed on upstream link https://review.gluster.org/#/c/glusterfs/+/23952/)
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Change-Id: I91c50fe987cbb22ed76f8012094730c592c63506
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Bug: 1612973
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Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/220870
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Tested-by: Mohit Agrawal <moagrawa@redhat.com>
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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Reviewed-by: Sunil Kumar Heggodu Gopala Acharya <sheggodu@redhat.com>
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---
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rpc/rpc-transport/socket/src/socket.c | 32 ++++++++++++++++++++++++++++++++
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1 file changed, 32 insertions(+)
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diff --git a/rpc/rpc-transport/socket/src/socket.c b/rpc/rpc-transport/socket/src/socket.c
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index 54cd5df..1ee7320 100644
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--- a/rpc/rpc-transport/socket/src/socket.c
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+++ b/rpc/rpc-transport/socket/src/socket.c
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@@ -4238,6 +4238,34 @@ static void __attribute__((destructor)) fini_openssl_mt(void)
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ERR_free_strings();
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}
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+/* The function returns 0 if AES bit is enabled on the CPU */
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+static int
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+ssl_check_aes_bit(void)
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+{
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+ FILE *fp = fopen("/proc/cpuinfo", "r");
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+ int ret = 1;
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+ size_t len = 0;
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+ char *line = NULL;
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+ char *match = NULL;
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+
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+ GF_ASSERT(fp != NULL);
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+
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+ while (getline(&line, &len, fp) > 0) {
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+ if (!strncmp(line, "flags", 5)) {
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+ match = strstr(line, " aes");
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+ if ((match != NULL) && ((match[4] == ' ') || (match[4] == 0))) {
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+ ret = 0;
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+ break;
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+ }
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+ }
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+ }
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+
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+ free(line);
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+ fclose(fp);
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+
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+ return ret;
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+}
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+
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static int
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ssl_setup_connection_params(rpc_transport_t *this)
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{
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@@ -4261,6 +4289,10 @@ ssl_setup_connection_params(rpc_transport_t *this)
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return 0;
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}
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+ if (!ssl_check_aes_bit()) {
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+ cipher_list = "AES128:" DEFAULT_CIPHER_LIST;
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+ }
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+
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priv->ssl_own_cert = DEFAULT_CERT_PATH;
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if (dict_get_str(this->options, SSL_OWN_CERT_OPT, &optstr) == 0) {
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if (!priv->ssl_enabled) {
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--
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1.8.3.1
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