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authorRichard Levitte <levitte@openssl.org>2016-09-28 23:39:18 +0200
committerRichard Levitte <levitte@openssl.org>2016-10-19 17:44:08 +0200
commitdd1abd4462e4e4fa84b8f8de2ec70375f9b0e191 (patch)
tree66ed9bf5494cf999e57f754b5fa43ccd51ffc36e /apps/dhparam.c
parente972273194303e15f8dd7ce69dbcfa27cc024e9f (diff)
If an engine comes up explicitely, it must also come down explicitely
In apps/apps.c, one can set up an engine with setup_engine(). However, we freed the structural reference immediately, which means that for engines that don't already have a structural reference somewhere else (because it's a built in engine), we end up returning an invalid reference. Instead, the function release_engine() is added, and called at the end of the routines that call setup_engine(). Reviewed-by: Rich Salz <rsalz@openssl.org> (Merged from https://github.com/openssl/openssl/pull/1643)
Diffstat (limited to 'apps/dhparam.c')
-rw-r--r--apps/dhparam.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/apps/dhparam.c b/apps/dhparam.c
index 302be2dd57..5fca25e17a 100644
--- a/apps/dhparam.c
+++ b/apps/dhparam.c
@@ -70,6 +70,7 @@ int dhparam_main(int argc, char **argv)
BIO *in = NULL, *out = NULL;
DH *dh = NULL;
char *infile = NULL, *outfile = NULL, *prog, *inrand = NULL;
+ ENGINE *e = NULL;
#ifndef OPENSSL_NO_DSA
int dsaparam = 0;
#endif
@@ -104,7 +105,7 @@ int dhparam_main(int argc, char **argv)
outfile = opt_arg();
break;
case OPT_ENGINE:
- (void)setup_engine(opt_arg(), 0);
+ e = setup_engine(opt_arg(), 0);
break;
case OPT_CHECK:
check = 1;
@@ -356,6 +357,7 @@ int dhparam_main(int argc, char **argv)
BIO_free(in);
BIO_free_all(out);
DH_free(dh);
+ release_engine(e);
return (ret);
}