X-Git-Url: https://git.openssl.org/?a=blobdiff_plain;f=ssl%2Fs2_lib.c;h=b37792fcc39f17ee6860858bf3e6f0d0d15916ec;hb=f1f7598ce9ab2d0816d02ea7fa26bff1f3bb3707;hp=4cfafcedf17f3a95ab4f363d863b0f47125964b6;hpb=e19106f5fb7da7db15449a9a50f9be9047800757;p=openssl.git diff --git a/ssl/s2_lib.c b/ssl/s2_lib.c index 4cfafcedf1..b37792fcc3 100644 --- a/ssl/s2_lib.c +++ b/ssl/s2_lib.c @@ -412,9 +412,6 @@ long ssl2_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void)) return(0); } -IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, - ssl_cipher_id); - /* This function needs to check if the ciphers required are actually * available */ const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p) @@ -427,10 +424,7 @@ const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p) ((unsigned long)p[1]<<8L)|(unsigned long)p[2]; c.id=id; cp = OBJ_bsearch_ssl_cipher_id(&c, ssl2_ciphers, SSL2_NUM_CIPHERS); - if ((cp == NULL) || (cp->valid == 0)) - return NULL; - else - return cp; + return cp; } int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p) @@ -455,6 +449,7 @@ int ssl2_generate_key_material(SSL *s) unsigned char *km; unsigned char c='0'; const EVP_MD *md5; + int md_size; md5 = EVP_md5(); @@ -471,10 +466,12 @@ int ssl2_generate_key_material(SSL *s) SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR); return 0; } - - for (i=0; is2->key_material_length; i += EVP_MD_size(md5)) + md_size = EVP_MD_size(md5); + if (md_size < 0) + return 0; + for (i=0; is2->key_material_length; i += md_size) { - if (((km - s->s2->key_material) + EVP_MD_size(md5)) > + if (((km - s->s2->key_material) + md_size) > (int)sizeof(s->s2->key_material)) { /* EVP_DigestFinal_ex() below would write beyond buffer */ @@ -493,7 +490,7 @@ int ssl2_generate_key_material(SSL *s) EVP_DigestUpdate(&ctx,s->s2->challenge,s->s2->challenge_length); EVP_DigestUpdate(&ctx,s->s2->conn_id,s->s2->conn_id_length); EVP_DigestFinal_ex(&ctx,km,NULL); - km += EVP_MD_size(md5); + km += md_size; } EVP_MD_CTX_cleanup(&ctx);