Commit 7823d792 authored by Toshikuni Fukaya's avatar Toshikuni Fukaya Committed by Rich Salz
Browse files

RT3495: Add a hash for faster dup detection.



Updated for 1.1 by Rich Salz

Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
parent 84c15091
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+25 −17
Original line number Diff line number Diff line
/*
 * ! \file ssl/ssl_cert.c
 */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
@@ -124,7 +121,7 @@
#endif

#include "internal/o_dir.h"
#include <openssl/objects.h>
#include <openssl/lhash.h>
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
@@ -642,11 +639,23 @@ int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x)
    return (add_client_CA(&(ctx->client_CA), x));
}

static int xname_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
static int xname_sk_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
{
    return (X509_NAME_cmp(*a, *b));
}

static int xname_cmp(const X509_NAME *a, const X509_NAME *b)
{
    return X509_NAME_cmp(a, b);
}

static unsigned long xname_hash(const X509_NAME *a)
{
    return X509_NAME_hash((X509_NAME *)a);
}

DEFINE_LHASH_OF(X509_NAME);

/**
 * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
 * it doesn't really have anything to do with clients (except that a common use
@@ -657,16 +666,14 @@ static int xname_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
 */
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
{
    BIO *in;
    BIO *in = BIO_new(BIO_s_file());
    X509 *x = NULL;
    X509_NAME *xn = NULL;
    STACK_OF(X509_NAME) *ret = NULL, *sk;
    STACK_OF(X509_NAME) *ret = NULL;
    LHASH_OF(X509_NAME) *name_hash =
        lh_X509_NAME_new(xname_hash, xname_cmp);

    sk = sk_X509_NAME_new(xname_cmp);

    in = BIO_new(BIO_s_file());

    if ((sk == NULL) || (in == NULL)) {
    if ((name_hash == NULL) || (in == NULL)) {
        SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
        goto err;
    }
@@ -690,10 +697,11 @@ STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
        xn = X509_NAME_dup(xn);
        if (xn == NULL)
            goto err;
        if (sk_X509_NAME_find(sk, xn) >= 0)
        if (lh_X509_NAME_retrieve(name_hash, xn) != NULL) {
            /* Duplicate. */
            X509_NAME_free(xn);
        else {
            sk_X509_NAME_push(sk, xn);
        } else {
            lh_X509_NAME_insert(name_hash, xn);
            sk_X509_NAME_push(ret, xn);
        }
    }
@@ -703,9 +711,9 @@ STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
    sk_X509_NAME_pop_free(ret, X509_NAME_free);
    ret = NULL;
 done:
    sk_X509_NAME_free(sk);
    BIO_free(in);
    X509_free(x);
    lh_X509_NAME_free(name_hash);
    if (ret != NULL)
        ERR_clear_error();
    return (ret);
@@ -729,7 +737,7 @@ int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
    int ret = 1;
    int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b);

    oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_cmp);
    oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp);

    in = BIO_new(BIO_s_file());