X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fx509%2Fx509_lu.c;h=843f3519dc3e8825645beca5c3899e248e61e00e;hp=95ee24b95855c97a8a29a485d1d01dd30ce83868;hb=68efafc513788863339c199d22048ef275832094;hpb=13938acecae8f1b455812d0388e2891abd1c096d diff --git a/crypto/x509/x509_lu.c b/crypto/x509/x509_lu.c index 95ee24b958..843f3519dc 100644 --- a/crypto/x509/x509_lu.c +++ b/crypto/x509/x509_lu.c @@ -1,427 +1,749 @@ -/* crypto/x509/x509_lu.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include -#include "cryptlib.h" +#include "internal/cryptlib.h" #include #include - -static STACK *x509_store_meth=NULL; -static STACK *x509_store_ctx_meth=NULL; +#include "internal/x509_int.h" +#include +#include "x509_lcl.h" X509_LOOKUP *X509_LOOKUP_new(X509_LOOKUP_METHOD *method) - { - X509_LOOKUP *ret; - - ret=(X509_LOOKUP *)Malloc(sizeof(X509_LOOKUP)); - if (ret == NULL) return(NULL); - - ret->init=0; - ret->skip=0; - ret->method=method; - ret->method_data=NULL; - ret->store_ctx=NULL; - if ((method->new_item != NULL) && !method->new_item(ret)) - { - Free(ret); - return(NULL); - } - return(ret); - } +{ + X509_LOOKUP *ret; + + ret = OPENSSL_zalloc(sizeof(*ret)); + if (ret == NULL) + return NULL; + + ret->method = method; + if ((method->new_item != NULL) && !method->new_item(ret)) { + OPENSSL_free(ret); + return NULL; + } + return ret; +} void X509_LOOKUP_free(X509_LOOKUP *ctx) - { - if (ctx == NULL) return; - if ( (ctx->method != NULL) && - (ctx->method->free != NULL)) - ctx->method->free(ctx); - Free(ctx); - } +{ + if (ctx == NULL) + return; + if ((ctx->method != NULL) && (ctx->method->free != NULL)) + (*ctx->method->free) (ctx); + OPENSSL_free(ctx); +} int X509_LOOKUP_init(X509_LOOKUP *ctx) - { - if (ctx->method == NULL) return(0); - if (ctx->method->init != NULL) - return(ctx->method->init(ctx)); - else - return(1); - } +{ + if (ctx->method == NULL) + return 0; + if (ctx->method->init != NULL) + return ctx->method->init(ctx); + else + return 1; +} int X509_LOOKUP_shutdown(X509_LOOKUP *ctx) - { - if (ctx->method == NULL) return(0); - if (ctx->method->shutdown != NULL) - return(ctx->method->shutdown(ctx)); - else - return(1); - } +{ + if (ctx->method == NULL) + return 0; + if (ctx->method->shutdown != NULL) + return ctx->method->shutdown(ctx); + else + return 1; +} int X509_LOOKUP_ctrl(X509_LOOKUP *ctx, int cmd, const char *argc, long argl, - char **ret) - { - if (ctx->method == NULL) return(-1); - if (ctx->method->ctrl != NULL) - return(ctx->method->ctrl(ctx,cmd,argc,argl,ret)); - else - return(1); - } + char **ret) +{ + if (ctx->method == NULL) + return -1; + if (ctx->method->ctrl != NULL) + return ctx->method->ctrl(ctx, cmd, argc, argl, ret); + else + return 1; +} int X509_LOOKUP_by_subject(X509_LOOKUP *ctx, int type, X509_NAME *name, - X509_OBJECT *ret) - { - if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL)) - return(X509_LU_FAIL); - if (ctx->skip) return(0); - return(ctx->method->get_by_subject(ctx,type,name,ret)); - } + X509_OBJECT *ret) +{ + if ((ctx->method == NULL) || (ctx->method->get_by_subject == NULL)) + return X509_LU_FAIL; + if (ctx->skip) + return 0; + return ctx->method->get_by_subject(ctx, type, name, ret); +} int X509_LOOKUP_by_issuer_serial(X509_LOOKUP *ctx, int type, X509_NAME *name, - ASN1_INTEGER *serial, X509_OBJECT *ret) - { - if ((ctx->method == NULL) || - (ctx->method->get_by_issuer_serial == NULL)) - return(X509_LU_FAIL); - return(ctx->method->get_by_issuer_serial(ctx,type,name,serial,ret)); - } + ASN1_INTEGER *serial, X509_OBJECT *ret) +{ + if ((ctx->method == NULL) || (ctx->method->get_by_issuer_serial == NULL)) + return X509_LU_FAIL; + return ctx->method->get_by_issuer_serial(ctx, type, name, serial, ret); +} int X509_LOOKUP_by_fingerprint(X509_LOOKUP *ctx, int type, - unsigned char *bytes, int len, X509_OBJECT *ret) - { - if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL)) - return(X509_LU_FAIL); - return(ctx->method->get_by_fingerprint(ctx,type,bytes,len,ret)); - } + unsigned char *bytes, int len, + X509_OBJECT *ret) +{ + if ((ctx->method == NULL) || (ctx->method->get_by_fingerprint == NULL)) + return X509_LU_FAIL; + return ctx->method->get_by_fingerprint(ctx, type, bytes, len, ret); +} int X509_LOOKUP_by_alias(X509_LOOKUP *ctx, int type, char *str, int len, - X509_OBJECT *ret) - { - if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL)) - return(X509_LU_FAIL); - return(ctx->method->get_by_alias(ctx,type,str,len,ret)); - } - -static unsigned long x509_object_hash(X509_OBJECT *a) - { - unsigned long h; - - switch (a->type) - { - case X509_LU_X509: - h=X509_NAME_hash(a->data.x509->cert_info->subject); - break; - case X509_LU_CRL: - h=X509_NAME_hash(a->data.crl->crl->issuer); - break; - default: - abort(); - } - return(h); - } - -static int x509_object_cmp(X509_OBJECT *a, X509_OBJECT *b) - { - int ret; - - ret=(a->type - b->type); - if (ret) return(ret); - switch (a->type) - { - case X509_LU_X509: - ret=X509_subject_name_cmp(a->data.x509,b->data.x509); - break; - case X509_LU_CRL: - ret=X509_CRL_cmp(a->data.crl,b->data.crl); - break; - default: - abort(); - } - return(ret); - } + X509_OBJECT *ret) +{ + if ((ctx->method == NULL) || (ctx->method->get_by_alias == NULL)) + return X509_LU_FAIL; + return ctx->method->get_by_alias(ctx, type, str, len, ret); +} + +static int x509_object_cmp(const X509_OBJECT *const *a, + const X509_OBJECT *const *b) +{ + int ret; + + ret = ((*a)->type - (*b)->type); + if (ret) + return ret; + switch ((*a)->type) { + case X509_LU_X509: + ret = X509_subject_name_cmp((*a)->data.x509, (*b)->data.x509); + break; + case X509_LU_CRL: + ret = X509_CRL_cmp((*a)->data.crl, (*b)->data.crl); + break; + default: + /* abort(); */ + return 0; + } + return ret; +} X509_STORE *X509_STORE_new(void) - { - X509_STORE *ret; - - if ((ret=(X509_STORE *)Malloc(sizeof(X509_STORE))) == NULL) - return(NULL); - ret->certs=lh_new(x509_object_hash,x509_object_cmp); - ret->cache=1; - ret->get_cert_methods=sk_X509_LOOKUP_new_null(); - ret->verify=NULL; - ret->verify_cb=NULL; - memset(&ret->ex_data,0,sizeof(CRYPTO_EX_DATA)); - ret->references=1; - ret->depth=0; - return(ret); - } +{ + X509_STORE *ret; + + if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL) + return NULL; + if ((ret->objs = sk_X509_OBJECT_new(x509_object_cmp)) == NULL) + goto err; + ret->cache = 1; + if ((ret->get_cert_methods = sk_X509_LOOKUP_new_null()) == NULL) + goto err; + + if ((ret->param = X509_VERIFY_PARAM_new()) == NULL) + goto err; + + if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509_STORE, ret, &ret->ex_data)) + goto err; + + ret->lock = CRYPTO_THREAD_lock_new(); + if (ret->lock == NULL) + goto err; + + ret->references = 1; + return ret; + +err: + X509_VERIFY_PARAM_free(ret->param); + sk_X509_OBJECT_free(ret->objs); + sk_X509_LOOKUP_free(ret->get_cert_methods); + OPENSSL_free(ret); + return NULL; +} static void cleanup(X509_OBJECT *a) - { - if (a->type == X509_LU_X509) - { - X509_free(a->data.x509); - } - else if (a->type == X509_LU_CRL) - { - X509_CRL_free(a->data.crl); - } - else - abort(); - - Free(a); - } +{ + if (!a) + return; + if (a->type == X509_LU_X509) { + X509_free(a->data.x509); + } else if (a->type == X509_LU_CRL) { + X509_CRL_free(a->data.crl); + } else { + /* abort(); */ + } + + OPENSSL_free(a); +} void X509_STORE_free(X509_STORE *vfy) - { - int i; - STACK_OF(X509_LOOKUP) *sk; - X509_LOOKUP *lu; - - if(vfy == NULL) - return; - - sk=vfy->get_cert_methods; - for (i=0; iex_data); - lh_doall(vfy->certs,cleanup); - lh_free(vfy->certs); - Free(vfy); - } +{ + int i; + STACK_OF(X509_LOOKUP) *sk; + X509_LOOKUP *lu; + + if (vfy == NULL) + return; + + CRYPTO_atomic_add(&vfy->references, -1, &i, vfy->lock); + REF_PRINT_COUNT("X509_STORE", vfy); + if (i > 0) + return; + REF_ASSERT_ISNT(i < 0); + + sk = vfy->get_cert_methods; + for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) { + lu = sk_X509_LOOKUP_value(sk, i); + X509_LOOKUP_shutdown(lu); + X509_LOOKUP_free(lu); + } + sk_X509_LOOKUP_free(sk); + sk_X509_OBJECT_pop_free(vfy->objs, cleanup); + + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509_STORE, vfy, &vfy->ex_data); + X509_VERIFY_PARAM_free(vfy->param); + CRYPTO_THREAD_lock_free(vfy->lock); + OPENSSL_free(vfy); +} + +int X509_STORE_up_ref(X509_STORE *vfy) +{ + int i; + + if (CRYPTO_atomic_add(&vfy->references, 1, &i, vfy->lock) <= 0) + return 0; + + REF_PRINT_COUNT("X509_STORE", a); + REF_ASSERT_ISNT(i < 2); + return ((i > 1) ? 1 : 0); +} X509_LOOKUP *X509_STORE_add_lookup(X509_STORE *v, X509_LOOKUP_METHOD *m) - { - int i; - STACK_OF(X509_LOOKUP) *sk; - X509_LOOKUP *lu; - - sk=v->get_cert_methods; - for (i=0; imethod) - { - return(lu); - } - } - /* a new one */ - lu=X509_LOOKUP_new(m); - if (lu == NULL) - return(NULL); - else - { - lu->store_ctx=v; - if (sk_X509_LOOKUP_push(v->get_cert_methods,lu)) - return(lu); - else - { - X509_LOOKUP_free(lu); - return(NULL); - } - } - } - -int X509_STORE_get_by_subject(X509_STORE_CTX *vs, int type, X509_NAME *name, - X509_OBJECT *ret) - { - X509_STORE *ctx=vs->ctx; - X509_LOOKUP *lu; - X509_OBJECT stmp,*tmp; - int i,j; - - tmp=X509_OBJECT_retrieve_by_subject(ctx->certs,type,name); - - if (tmp == NULL) - { - for (i=vs->current_method; iget_cert_methods); i++) - { - lu=sk_X509_LOOKUP_value(ctx->get_cert_methods,i); - j=X509_LOOKUP_by_subject(lu,type,name,&stmp); - if (j < 0) - { - vs->current_method=j; - return(j); - } - else if (j) - { - tmp= &stmp; - break; - } - } - vs->current_method=0; - if (tmp == NULL) - return(0); - } - -/* if (ret->data.ptr != NULL) - X509_OBJECT_free_contents(ret); */ - - ret->type=tmp->type; - ret->data.ptr=tmp->data.ptr; - - X509_OBJECT_up_ref_count(ret); - - return(1); - } - -void X509_OBJECT_up_ref_count(X509_OBJECT *a) - { - switch (a->type) - { - case X509_LU_X509: - CRYPTO_add(&a->data.x509->references,1,CRYPTO_LOCK_X509); - break; - case X509_LU_CRL: - CRYPTO_add(&a->data.crl->references,1,CRYPTO_LOCK_X509_CRL); - break; - } - } - -void X509_OBJECT_free_contents(X509_OBJECT *a) - { - switch (a->type) - { - case X509_LU_X509: - X509_free(a->data.x509); - break; - case X509_LU_CRL: - X509_CRL_free(a->data.crl); - break; - } - } - -X509_OBJECT *X509_OBJECT_retrieve_by_subject(LHASH *h, int type, - X509_NAME *name) - { - X509_OBJECT stmp,*tmp; - X509 x509_s; - X509_CINF cinf_s; - X509_CRL crl_s; - X509_CRL_INFO crl_info_s; - - stmp.type=type; - switch (type) - { - case X509_LU_X509: - stmp.data.x509= &x509_s; - x509_s.cert_info= &cinf_s; - cinf_s.subject=name; - break; - case X509_LU_CRL: - stmp.data.crl= &crl_s; - crl_s.crl= &crl_info_s; - crl_info_s.issuer=name; - break; - default: - abort(); - } - - tmp=(X509_OBJECT *)lh_retrieve(h,(char *)&stmp); - return(tmp); - } - -X509_STORE_CTX *X509_STORE_CTX_new(void) -{ - X509_STORE_CTX *ctx; - ctx = (X509_STORE_CTX *)Malloc(sizeof(X509_STORE_CTX)); - if(ctx) memset(ctx, 0, sizeof(X509_STORE_CTX)); - return ctx; -} - -void X509_STORE_CTX_free(X509_STORE_CTX *ctx) -{ - X509_STORE_CTX_cleanup(ctx); - Free(ctx); -} - -void X509_STORE_CTX_init(X509_STORE_CTX *ctx, X509_STORE *store, X509 *x509, - STACK_OF(X509) *chain) - { - ctx->ctx=store; - ctx->current_method=0; - ctx->cert=x509; - ctx->untrusted=chain; - ctx->last_untrusted=0; - ctx->purpose=0; - ctx->trust=0; - ctx->valid=0; - ctx->chain=NULL; - ctx->depth=9; - ctx->error=0; - ctx->current_cert=NULL; - memset(&(ctx->ex_data),0,sizeof(CRYPTO_EX_DATA)); - } - -void X509_STORE_CTX_cleanup(X509_STORE_CTX *ctx) - { - if (ctx->chain != NULL) - { - sk_X509_pop_free(ctx->chain,X509_free); - ctx->chain=NULL; - } - CRYPTO_free_ex_data(x509_store_ctx_meth,(char *)ctx,&(ctx->ex_data)); - memset(&ctx->ex_data,0,sizeof(CRYPTO_EX_DATA)); - } - -IMPLEMENT_STACK_OF(X509_LOOKUP) +{ + int i; + STACK_OF(X509_LOOKUP) *sk; + X509_LOOKUP *lu; + + sk = v->get_cert_methods; + for (i = 0; i < sk_X509_LOOKUP_num(sk); i++) { + lu = sk_X509_LOOKUP_value(sk, i); + if (m == lu->method) { + return lu; + } + } + /* a new one */ + lu = X509_LOOKUP_new(m); + if (lu == NULL) + return NULL; + else { + lu->store_ctx = v; + if (sk_X509_LOOKUP_push(v->get_cert_methods, lu)) + return lu; + else { + X509_LOOKUP_free(lu); + return NULL; + } + } +} + +X509_OBJECT *X509_STORE_CTX_get_obj_by_subject(X509_STORE_CTX *vs, int type, + X509_NAME *name) +{ + X509_OBJECT *ret = X509_OBJECT_new(); + + if (ret == NULL) + return NULL; + if (!X509_STORE_CTX_get_by_subject(vs, type, name, ret)) { + X509_OBJECT_free(ret); + return NULL; + } + return ret; +} + +int X509_STORE_CTX_get_by_subject(X509_STORE_CTX *vs, X509_LOOKUP_TYPE type, + X509_NAME *name, X509_OBJECT *ret) +{ + X509_STORE *ctx = vs->ctx; + X509_LOOKUP *lu; + X509_OBJECT stmp, *tmp; + int i, j; + + CRYPTO_THREAD_write_lock(ctx->lock); + tmp = X509_OBJECT_retrieve_by_subject(ctx->objs, type, name); + CRYPTO_THREAD_unlock(ctx->lock); + + if (tmp == NULL || type == X509_LU_CRL) { + for (i = vs->current_method; + i < sk_X509_LOOKUP_num(ctx->get_cert_methods); i++) { + lu = sk_X509_LOOKUP_value(ctx->get_cert_methods, i); + j = X509_LOOKUP_by_subject(lu, type, name, &stmp); + if (j < 0) { + vs->current_method = j; + return j; + } else if (j) { + tmp = &stmp; + break; + } + } + vs->current_method = 0; + if (tmp == NULL) + return 0; + } + + ret->type = tmp->type; + ret->data.ptr = tmp->data.ptr; + + X509_OBJECT_up_ref_count(ret); + + return 1; +} + +int X509_STORE_add_cert(X509_STORE *ctx, X509 *x) +{ + X509_OBJECT *obj; + int ret = 1, added = 1; + + if (x == NULL) + return 0; + obj = X509_OBJECT_new(); + if (obj == NULL) + return 0; + obj->type = X509_LU_X509; + obj->data.x509 = x; + X509_OBJECT_up_ref_count(obj); + + CRYPTO_THREAD_write_lock(ctx->lock); + + if (X509_OBJECT_retrieve_match(ctx->objs, obj)) { + X509err(X509_F_X509_STORE_ADD_CERT, + X509_R_CERT_ALREADY_IN_HASH_TABLE); + ret = 0; + } else { + added = sk_X509_OBJECT_push(ctx->objs, obj); + ret = added != 0; + } + + CRYPTO_THREAD_unlock(ctx->lock); + + if (!ret) /* obj not pushed */ + X509_OBJECT_free(obj); + if (!added) /* on push failure */ + X509err(X509_F_X509_STORE_ADD_CERT, ERR_R_MALLOC_FAILURE); + + return ret; +} + +int X509_STORE_add_crl(X509_STORE *ctx, X509_CRL *x) +{ + X509_OBJECT *obj; + int ret = 1, added = 1; + + if (x == NULL) + return 0; + obj = X509_OBJECT_new(); + if (obj == NULL) + return 0; + obj->type = X509_LU_CRL; + obj->data.crl = x; + X509_OBJECT_up_ref_count(obj); + + CRYPTO_THREAD_write_lock(ctx->lock); + + if (X509_OBJECT_retrieve_match(ctx->objs, obj)) { + X509err(X509_F_X509_STORE_ADD_CRL, X509_R_CERT_ALREADY_IN_HASH_TABLE); + ret = 0; + } else { + added = sk_X509_OBJECT_push(ctx->objs, obj); + ret = added != 0; + } + + CRYPTO_THREAD_unlock(ctx->lock); + + if (!ret) /* obj not pushed */ + X509_OBJECT_free(obj); + if (!added) /* on push failure */ + X509err(X509_F_X509_STORE_ADD_CRL, ERR_R_MALLOC_FAILURE); + + return ret; +} + +int X509_OBJECT_up_ref_count(X509_OBJECT *a) +{ + switch (a->type) { + default: + break; + case X509_LU_X509: + return X509_up_ref(a->data.x509); + case X509_LU_CRL: + return X509_CRL_up_ref(a->data.crl); + } + return 1; +} + +X509 *X509_OBJECT_get0_X509(const X509_OBJECT *a) +{ + if (a == NULL || a->type != X509_LU_X509) + return NULL; + return a->data.x509; +} + +X509_CRL *X509_OBJECT_get0_X509_CRL(X509_OBJECT *a) +{ + if (a == NULL || a->type != X509_LU_CRL) + return NULL; + return a->data.crl; +} + +int X509_OBJECT_get_type(const X509_OBJECT *a) +{ + return a->type; +} + +X509_OBJECT *X509_OBJECT_new() +{ + X509_OBJECT *ret = OPENSSL_zalloc(sizeof(*ret)); + + if (ret == NULL) { + X509err(X509_F_X509_OBJECT_NEW, ERR_R_MALLOC_FAILURE); + return NULL; + } + ret->type = X509_LU_FAIL; + return ret; +} + + +void X509_OBJECT_free(X509_OBJECT *a) +{ + if (a == NULL) + return; + switch (a->type) { + default: + break; + case X509_LU_X509: + X509_free(a->data.x509); + break; + case X509_LU_CRL: + X509_CRL_free(a->data.crl); + break; + } + OPENSSL_free(a); +} + +static int x509_object_idx_cnt(STACK_OF(X509_OBJECT) *h, int type, + X509_NAME *name, int *pnmatch) +{ + X509_OBJECT stmp; + X509 x509_s; + X509_CRL crl_s; + int idx; + + stmp.type = type; + switch (type) { + case X509_LU_X509: + stmp.data.x509 = &x509_s; + x509_s.cert_info.subject = name; + break; + case X509_LU_CRL: + stmp.data.crl = &crl_s; + crl_s.crl.issuer = name; + break; + default: + /* abort(); */ + return -1; + } + + idx = sk_X509_OBJECT_find(h, &stmp); + if (idx >= 0 && pnmatch) { + int tidx; + const X509_OBJECT *tobj, *pstmp; + *pnmatch = 1; + pstmp = &stmp; + for (tidx = idx + 1; tidx < sk_X509_OBJECT_num(h); tidx++) { + tobj = sk_X509_OBJECT_value(h, tidx); + if (x509_object_cmp(&tobj, &pstmp)) + break; + (*pnmatch)++; + } + } + return idx; +} + +int X509_OBJECT_idx_by_subject(STACK_OF(X509_OBJECT) *h, int type, + X509_NAME *name) +{ + return x509_object_idx_cnt(h, type, name, NULL); +} + +X509_OBJECT *X509_OBJECT_retrieve_by_subject(STACK_OF(X509_OBJECT) *h, + int type, X509_NAME *name) +{ + int idx; + idx = X509_OBJECT_idx_by_subject(h, type, name); + if (idx == -1) + return NULL; + return sk_X509_OBJECT_value(h, idx); +} + +STACK_OF(X509_OBJECT) *X509_STORE_get0_objects(X509_STORE *v) +{ + return v->objs; +} + +STACK_OF(X509) *X509_STORE_CTX_get1_certs(X509_STORE_CTX *ctx, X509_NAME *nm) +{ + int i, idx, cnt; + STACK_OF(X509) *sk = NULL; + X509 *x; + X509_OBJECT *obj; + + CRYPTO_THREAD_write_lock(ctx->ctx->lock); + idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt); + if (idx < 0) { + /* + * Nothing found in cache: do lookup to possibly add new objects to + * cache + */ + X509_OBJECT *xobj = X509_OBJECT_new(); + + CRYPTO_THREAD_unlock(ctx->ctx->lock); + if (xobj == NULL) + return NULL; + if (!X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, nm, xobj)) { + X509_OBJECT_free(xobj); + return NULL; + } + X509_OBJECT_free(xobj); + CRYPTO_THREAD_write_lock(ctx->ctx->lock); + idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_X509, nm, &cnt); + if (idx < 0) { + CRYPTO_THREAD_unlock(ctx->ctx->lock); + return NULL; + } + } + + sk = sk_X509_new_null(); + for (i = 0; i < cnt; i++, idx++) { + obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); + x = obj->data.x509; + X509_up_ref(x); + if (!sk_X509_push(sk, x)) { + CRYPTO_THREAD_unlock(ctx->ctx->lock); + X509_free(x); + sk_X509_pop_free(sk, X509_free); + return NULL; + } + } + CRYPTO_THREAD_unlock(ctx->ctx->lock); + return sk; +} + +STACK_OF(X509_CRL) *X509_STORE_CTX_get1_crls(X509_STORE_CTX *ctx, X509_NAME *nm) +{ + int i, idx, cnt; + STACK_OF(X509_CRL) *sk = sk_X509_CRL_new_null(); + X509_CRL *x; + X509_OBJECT *obj, *xobj = X509_OBJECT_new(); + + /* Always do lookup to possibly add new CRLs to cache */ + if (sk == NULL || xobj == NULL || + !X509_STORE_CTX_get_by_subject(ctx, X509_LU_CRL, nm, xobj)) { + X509_OBJECT_free(xobj); + sk_X509_CRL_free(sk); + return NULL; + } + X509_OBJECT_free(xobj); + CRYPTO_THREAD_write_lock(ctx->ctx->lock); + idx = x509_object_idx_cnt(ctx->ctx->objs, X509_LU_CRL, nm, &cnt); + if (idx < 0) { + CRYPTO_THREAD_unlock(ctx->ctx->lock); + sk_X509_CRL_free(sk); + return NULL; + } + + for (i = 0; i < cnt; i++, idx++) { + obj = sk_X509_OBJECT_value(ctx->ctx->objs, idx); + x = obj->data.crl; + X509_CRL_up_ref(x); + if (!sk_X509_CRL_push(sk, x)) { + CRYPTO_THREAD_unlock(ctx->ctx->lock); + X509_CRL_free(x); + sk_X509_CRL_pop_free(sk, X509_CRL_free); + return NULL; + } + } + CRYPTO_THREAD_unlock(ctx->ctx->lock); + return sk; +} + +X509_OBJECT *X509_OBJECT_retrieve_match(STACK_OF(X509_OBJECT) *h, + X509_OBJECT *x) +{ + int idx, i; + X509_OBJECT *obj; + idx = sk_X509_OBJECT_find(h, x); + if (idx == -1) + return NULL; + if ((x->type != X509_LU_X509) && (x->type != X509_LU_CRL)) + return sk_X509_OBJECT_value(h, idx); + for (i = idx; i < sk_X509_OBJECT_num(h); i++) { + obj = sk_X509_OBJECT_value(h, i); + if (x509_object_cmp + ((const X509_OBJECT **)&obj, (const X509_OBJECT **)&x)) + return NULL; + if (x->type == X509_LU_X509) { + if (!X509_cmp(obj->data.x509, x->data.x509)) + return obj; + } else if (x->type == X509_LU_CRL) { + if (!X509_CRL_match(obj->data.crl, x->data.crl)) + return obj; + } else + return obj; + } + return NULL; +} + +/*- + * Try to get issuer certificate from store. Due to limitations + * of the API this can only retrieve a single certificate matching + * a given subject name. However it will fill the cache with all + * matching certificates, so we can examine the cache for all + * matches. + * + * Return values are: + * 1 lookup successful. + * 0 certificate not found. + * -1 some other error. + */ +int X509_STORE_CTX_get1_issuer(X509 **issuer, X509_STORE_CTX *ctx, X509 *x) +{ + X509_NAME *xn; + X509_OBJECT *obj = X509_OBJECT_new(), *pobj = NULL; + int i, ok, idx, ret; + + if (obj == NULL) + return -1; + *issuer = NULL; + xn = X509_get_issuer_name(x); + ok = X509_STORE_CTX_get_by_subject(ctx, X509_LU_X509, xn, obj); + if (ok != X509_LU_X509) { + X509_OBJECT_free(obj); + if (ok == X509_LU_RETRY) { + X509err(X509_F_X509_STORE_CTX_GET1_ISSUER, X509_R_SHOULD_RETRY); + return -1; + } + if (ok != X509_LU_FAIL) { + /* not good :-(, break anyway */ + return -1; + } + return 0; + } + /* If certificate matches all OK */ + if (ctx->check_issued(ctx, x, obj->data.x509)) { + if (x509_check_cert_time(ctx, obj->data.x509, -1)) { + *issuer = obj->data.x509; + X509_up_ref(*issuer); + X509_OBJECT_free(obj); + return 1; + } + } + X509_OBJECT_free(obj); + + /* Else find index of first cert accepted by 'check_issued' */ + ret = 0; + CRYPTO_THREAD_write_lock(ctx->ctx->lock); + idx = X509_OBJECT_idx_by_subject(ctx->ctx->objs, X509_LU_X509, xn); + if (idx != -1) { /* should be true as we've had at least one + * match */ + /* Look through all matching certs for suitable issuer */ + for (i = idx; i < sk_X509_OBJECT_num(ctx->ctx->objs); i++) { + pobj = sk_X509_OBJECT_value(ctx->ctx->objs, i); + /* See if we've run past the matches */ + if (pobj->type != X509_LU_X509) + break; + if (X509_NAME_cmp(xn, X509_get_subject_name(pobj->data.x509))) + break; + if (ctx->check_issued(ctx, x, pobj->data.x509)) { + *issuer = pobj->data.x509; + ret = 1; + /* + * If times check, exit with match, + * otherwise keep looking. Leave last + * match in issuer so we return nearest + * match if no certificate time is OK. + */ + + if (x509_check_cert_time(ctx, *issuer, -1)) + break; + } + } + } + CRYPTO_THREAD_unlock(ctx->ctx->lock); + if (*issuer) + X509_up_ref(*issuer); + return ret; +} + +int X509_STORE_set_flags(X509_STORE *ctx, unsigned long flags) +{ + return X509_VERIFY_PARAM_set_flags(ctx->param, flags); +} + +int X509_STORE_set_depth(X509_STORE *ctx, int depth) +{ + X509_VERIFY_PARAM_set_depth(ctx->param, depth); + return 1; +} + +int X509_STORE_set_purpose(X509_STORE *ctx, int purpose) +{ + return X509_VERIFY_PARAM_set_purpose(ctx->param, purpose); +} + +int X509_STORE_set_trust(X509_STORE *ctx, int trust) +{ + return X509_VERIFY_PARAM_set_trust(ctx->param, trust); +} + +int X509_STORE_set1_param(X509_STORE *ctx, X509_VERIFY_PARAM *param) +{ + return X509_VERIFY_PARAM_set1(ctx->param, param); +} + +X509_VERIFY_PARAM *X509_STORE_get0_param(X509_STORE *ctx) +{ + return ctx->param; +} + +void X509_STORE_set_verify_cb(X509_STORE *ctx, + int (*verify_cb) (int, X509_STORE_CTX *)) +{ + ctx->verify_cb = verify_cb; +} + +void X509_STORE_set_verify(X509_STORE *ctx, X509_STORE_CTX_verify verify) +{ + ctx->verify = verify; +} + +void X509_STORE_set_lookup_crls_cb(X509_STORE *ctx, + STACK_OF(X509_CRL) *(*cb) (X509_STORE_CTX + *ctx, + X509_NAME *nm)) +{ + ctx->lookup_crls = cb; +} + +int X509_STORE_set_ex_data(X509_STORE *ctx, int idx, void *data) +{ + return CRYPTO_set_ex_data(&ctx->ex_data, idx, data); +} + +void *X509_STORE_get_ex_data(X509_STORE *ctx, int idx) +{ + return CRYPTO_get_ex_data(&ctx->ex_data, idx); +} + +X509_STORE *X509_STORE_CTX_get0_store(X509_STORE_CTX *ctx) +{ + return ctx->ctx; +}