diff options
Diffstat (limited to 'ssl/t1_lib.c')
| -rw-r--r-- | ssl/t1_lib.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/ssl/t1_lib.c b/ssl/t1_lib.c index e6f4bcc04533..8be00a4f3405 100644 --- a/ssl/t1_lib.c +++ b/ssl/t1_lib.c @@ -23,6 +23,7 @@ #include "internal/nelem.h" #include "internal/sizes.h" #include "internal/tlsgroups.h" +#include "internal/cryptlib.h" #include "ssl_local.h" #include <openssl/ct.h> @@ -600,6 +601,7 @@ uint16_t tls1_shared_group(SSL *s, int nmatch) const uint16_t *pref, *supp; size_t num_pref, num_supp, i; int k; + SSL_CTX *ctx = s->ctx; /* Can't do anything on client side */ if (s->server == 0) @@ -636,10 +638,29 @@ uint16_t tls1_shared_group(SSL *s, int nmatch) for (k = 0, i = 0; i < num_pref; i++) { uint16_t id = pref[i]; + const TLS_GROUP_INFO *inf; if (!tls1_in_list(id, supp, num_supp) - || !tls_group_allowed(s, id, SSL_SECOP_CURVE_SHARED)) - continue; + || !tls_group_allowed(s, id, SSL_SECOP_CURVE_SHARED)) + continue; + inf = tls1_group_id_lookup(ctx, id); + if (!ossl_assert(inf != NULL)) + return 0; + if (SSL_IS_DTLS(s)) { + if (inf->maxdtls == -1) + continue; + if ((inf->mindtls != 0 && DTLS_VERSION_LT(s->version, inf->mindtls)) + || (inf->maxdtls != 0 + && DTLS_VERSION_GT(s->version, inf->maxdtls))) + continue; + } else { + if (inf->maxtls == -1) + continue; + if ((inf->mintls != 0 && s->version < inf->mintls) + || (inf->maxtls != 0 && s->version > inf->maxtls)) + continue; + } + if (nmatch == k) return id; k++; |