From 1dd1a9873e67329e10d2a54507f873c54b8527e8 Mon Sep 17 00:00:00 2001 From: naruse Date: Sun, 13 Dec 2015 01:29:44 +0000 Subject: * ext/openssl/ossl_ssl.c (ssl_npn_select_cb_common): fix parsing protocol list. The protocol list from OpenSSL is not null-terminated. patched by Kazuki Yamaguchi [Bug #11810] [ruby-core:72082] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53064 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- ext/openssl/ossl_ssl.c | 17 +++++++---------- 1 file changed, 7 insertions(+), 10 deletions(-) (limited to 'ext/openssl/ossl_ssl.c') diff --git a/ext/openssl/ossl_ssl.c b/ext/openssl/ossl_ssl.c index 553eb14252..4075d6f001 100644 --- a/ext/openssl/ossl_ssl.c +++ b/ext/openssl/ossl_ssl.c @@ -585,19 +585,16 @@ ssl_npn_select_cb_common(VALUE cb, const unsigned char **out, unsigned char *out { VALUE selected; long len; - unsigned char l; VALUE protocols = rb_ary_new(); + unsigned char l; + const unsigned char *in_end = in + inlen; - /* The format is len_1|proto_1|...|len_n|proto_n\0 */ - while ((l = *in++) != '\0') { - VALUE protocol; - if (l > inlen) { - ossl_raise(eSSLError, "Invalid protocol name list"); - } - protocol = rb_str_new((const char *)in, l); - rb_ary_push(protocols, protocol); + /* assume OpenSSL verifies this format */ + /* The format is len_1|proto_1|...|len_n|proto_n */ + while (in < in_end) { + l = *in++; + rb_ary_push(protocols, rb_str_new((const char *)in, l)); in += l; - inlen -= l; } selected = rb_funcall(cb, rb_intern("call"), 1, protocols); -- cgit v1.2.3