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authorTomas Mraz <tmraz@fedoraproject.org>2017-05-22 16:20:21 +0200
committerMatt Caswell <matt@openssl.org>2017-06-08 21:30:17 +0100
commit59d37902343656c1317d80f1ef5c7bdc550a1294 (patch)
tree19d265b2c3c0d8a1fa196dc42958c54f81671b30
parent2984afdad9696e4de4762ebc0039f9353773f66c (diff)
Ignore -named_curve auto value to improve backwards compatibility
Fixes #3490 Reviewed-by: Rich Salz <rsalz@openssl.org> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/3518) (cherry picked from commit 1c7aa0dbf16c3389bbedd13391bb653e7a189603)
-rw-r--r--CHANGES4
-rw-r--r--ssl/ssl_conf.c8
2 files changed, 11 insertions, 1 deletions
diff --git a/CHANGES b/CHANGES
index 52d1fb42dd..f13c6d11f4 100644
--- a/CHANGES
+++ b/CHANGES
@@ -9,7 +9,9 @@
Changes between 1.1.0f and 1.1.0g [xx XXX xxxx]
- *)
+ *) Ignore the '-named_curve auto' value for compatibility of applications
+ with OpenSSL 1.0.2.
+ [Tomas Mraz <tmraz@fedoraproject.org>]
Changes between 1.1.0e and 1.1.0f [25 May 2017]
diff --git a/ssl/ssl_conf.c b/ssl/ssl_conf.c
index 3957946092..88e4103820 100644
--- a/ssl/ssl_conf.c
+++ b/ssl/ssl_conf.c
@@ -221,6 +221,14 @@ static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
EC_KEY *ecdh;
int nid;
+ /* Ignore values supported by 1.0.2 for the automatic selection */
+ if ((cctx->flags & SSL_CONF_FLAG_FILE) &&
+ strcasecmp(value, "+automatic") == 0)
+ return 1;
+ if ((cctx->flags & SSL_CONF_FLAG_CMDLINE) &&
+ strcmp(value, "auto") == 0)
+ return 1;
+
nid = EC_curve_nist2nid(value);
if (nid == NID_undef)
nid = OBJ_sn2nid(value);