diff options
Diffstat (limited to 'crypto/openssl/ssl/ssl_cert.c')
| -rw-r--r-- | crypto/openssl/ssl/ssl_cert.c | 665 |
1 files changed, 501 insertions, 164 deletions
diff --git a/crypto/openssl/ssl/ssl_cert.c b/crypto/openssl/ssl/ssl_cert.c index eba96b207eee..1be6cd7dbc99 100644 --- a/crypto/openssl/ssl/ssl_cert.c +++ b/crypto/openssl/ssl/ssl_cert.c @@ -1,13 +1,15 @@ /* - * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved. + * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved. * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved * - * Licensed under the OpenSSL license (the "License"). You may not use + * Licensed under the Apache License 2.0 (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 "internal/e_os.h" + #include <stdio.h> #include <sys/types.h> @@ -15,6 +17,7 @@ #include "internal/o_dir.h" #include <openssl/bio.h> #include <openssl/pem.h> +#include <openssl/store.h> #include <openssl/x509v3.h> #include <openssl/dh.h> #include <openssl/bn.h> @@ -23,6 +26,17 @@ #include "ssl_local.h" #include "ssl_cert_table.h" #include "internal/thread_once.h" +#include "internal/ssl_unwrap.h" +#ifndef OPENSSL_NO_POSIX_IO +# include <sys/stat.h> +# ifdef _WIN32 +# define stat _stat +# endif +# ifndef S_ISDIR +# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR) +# endif +#endif + static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, void *other, @@ -47,23 +61,31 @@ int SSL_get_ex_data_X509_STORE_CTX_idx(void) return ssl_x509_store_ctx_idx; } -CERT *ssl_cert_new(void) +CERT *ssl_cert_new(size_t ssl_pkey_num) { - CERT *ret = OPENSSL_zalloc(sizeof(*ret)); + CERT *ret = NULL; - if (ret == NULL) { - SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE); + /* Should never happen */ + if (!ossl_assert(ssl_pkey_num >= SSL_PKEY_NUM)) + return NULL; + + ret = OPENSSL_zalloc(sizeof(*ret)); + if (ret == NULL) + return NULL; + + ret->ssl_pkey_num = ssl_pkey_num; + ret->pkeys = OPENSSL_zalloc(ret->ssl_pkey_num * sizeof(CERT_PKEY)); + if (ret->pkeys == NULL) { + OPENSSL_free(ret); return NULL; } ret->key = &(ret->pkeys[SSL_PKEY_RSA]); - ret->references = 1; ret->sec_cb = ssl_security_default_callback; ret->sec_level = OPENSSL_TLS_SECURITY_LEVEL; ret->sec_ex = NULL; - ret->lock = CRYPTO_THREAD_lock_new(); - if (ret->lock == NULL) { - SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE); + if (!CRYPTO_NEW_REF(&ret->references, 1)) { + OPENSSL_free(ret->pkeys); OPENSSL_free(ret); return NULL; } @@ -74,62 +96,76 @@ CERT *ssl_cert_new(void) CERT *ssl_cert_dup(CERT *cert) { CERT *ret = OPENSSL_zalloc(sizeof(*ret)); - int i; + size_t i; +#ifndef OPENSSL_NO_COMP_ALG + int j; +#endif - if (ret == NULL) { - SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); + if (ret == NULL) + return NULL; + + ret->ssl_pkey_num = cert->ssl_pkey_num; + ret->pkeys = OPENSSL_zalloc(ret->ssl_pkey_num * sizeof(CERT_PKEY)); + if (ret->pkeys == NULL) { + OPENSSL_free(ret); return NULL; } - ret->references = 1; ret->key = &ret->pkeys[cert->key - cert->pkeys]; - ret->lock = CRYPTO_THREAD_lock_new(); - if (ret->lock == NULL) { - SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); + if (!CRYPTO_NEW_REF(&ret->references, 1)) { + OPENSSL_free(ret->pkeys); OPENSSL_free(ret); return NULL; } -#ifndef OPENSSL_NO_DH + if (cert->dh_tmp != NULL) { + if (!EVP_PKEY_up_ref(cert->dh_tmp)) + goto err; ret->dh_tmp = cert->dh_tmp; - EVP_PKEY_up_ref(ret->dh_tmp); } + ret->dh_tmp_cb = cert->dh_tmp_cb; ret->dh_tmp_auto = cert->dh_tmp_auto; -#endif - for (i = 0; i < SSL_PKEY_NUM; i++) { + for (i = 0; i < ret->ssl_pkey_num; i++) { CERT_PKEY *cpk = cert->pkeys + i; CERT_PKEY *rpk = ret->pkeys + i; + if (cpk->x509 != NULL) { + if (!X509_up_ref(cpk->x509)) + goto err; rpk->x509 = cpk->x509; - X509_up_ref(rpk->x509); } if (cpk->privatekey != NULL) { + if (!EVP_PKEY_up_ref(cpk->privatekey)) + goto err; rpk->privatekey = cpk->privatekey; - EVP_PKEY_up_ref(cpk->privatekey); } if (cpk->chain) { rpk->chain = X509_chain_up_ref(cpk->chain); if (!rpk->chain) { - SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); goto err; } } - if (cert->pkeys[i].serverinfo != NULL) { + if (cpk->serverinfo != NULL) { /* Just copy everything. */ - ret->pkeys[i].serverinfo = - OPENSSL_malloc(cert->pkeys[i].serverinfo_length); - if (ret->pkeys[i].serverinfo == NULL) { - SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); + rpk->serverinfo = OPENSSL_memdup(cpk->serverinfo, cpk->serverinfo_length); + if (rpk->serverinfo == NULL) goto err; + rpk->serverinfo_length = cpk->serverinfo_length; + } +#ifndef OPENSSL_NO_COMP_ALG + for (j = TLSEXT_comp_cert_none; j < TLSEXT_comp_cert_limit; j++) { + if (cpk->comp_cert[j] != NULL) { + if (!OSSL_COMP_CERT_up_ref(cpk->comp_cert[j])) + goto err; + rpk->comp_cert[j] = cpk->comp_cert[j]; } - ret->pkeys[i].serverinfo_length = cert->pkeys[i].serverinfo_length; - memcpy(ret->pkeys[i].serverinfo, - cert->pkeys[i].serverinfo, cert->pkeys[i].serverinfo_length); } +#endif } /* Configured sigalgs copied across */ @@ -168,12 +204,14 @@ CERT *ssl_cert_dup(CERT *cert) ret->cert_cb_arg = cert->cert_cb_arg; if (cert->verify_store) { - X509_STORE_up_ref(cert->verify_store); + if (!X509_STORE_up_ref(cert->verify_store)) + goto err; ret->verify_store = cert->verify_store; } if (cert->chain_store) { - X509_STORE_up_ref(cert->chain_store); + if (!X509_STORE_up_ref(cert->chain_store)) + goto err; ret->chain_store = cert->chain_store; } @@ -202,20 +240,31 @@ CERT *ssl_cert_dup(CERT *cert) void ssl_cert_clear_certs(CERT *c) { - int i; + size_t i; +#ifndef OPENSSL_NO_COMP_ALG + int j; +#endif + if (c == NULL) return; - for (i = 0; i < SSL_PKEY_NUM; i++) { + for (i = 0; i < c->ssl_pkey_num; i++) { CERT_PKEY *cpk = c->pkeys + i; X509_free(cpk->x509); cpk->x509 = NULL; EVP_PKEY_free(cpk->privatekey); cpk->privatekey = NULL; - sk_X509_pop_free(cpk->chain, X509_free); + OSSL_STACK_OF_X509_free(cpk->chain); cpk->chain = NULL; OPENSSL_free(cpk->serverinfo); cpk->serverinfo = NULL; cpk->serverinfo_length = 0; +#ifndef OPENSSL_NO_COMP_ALG + for (j = 0; j < TLSEXT_comp_cert_limit; j++) { + OSSL_COMP_CERT_free(cpk->comp_cert[j]); + cpk->comp_cert[j] = NULL; + cpk->cert_comp_used = 0; + } +#endif } } @@ -225,15 +274,13 @@ void ssl_cert_free(CERT *c) if (c == NULL) return; - CRYPTO_DOWN_REF(&c->references, &i, c->lock); - REF_PRINT_COUNT("CERT", c); + CRYPTO_DOWN_REF(&c->references, &i); + REF_PRINT_COUNT("CERT", i, c); if (i > 0) return; REF_ASSERT_ISNT(i < 0); -#ifndef OPENSSL_NO_DH EVP_PKEY_free(c->dh_tmp); -#endif ssl_cert_clear_certs(c); OPENSSL_free(c->conf_sigalgs); @@ -245,52 +292,58 @@ void ssl_cert_free(CERT *c) #ifndef OPENSSL_NO_PSK OPENSSL_free(c->psk_identity_hint); #endif - CRYPTO_THREAD_lock_free(c->lock); + OPENSSL_free(c->pkeys); + CRYPTO_FREE_REF(&c->references); OPENSSL_free(c); } -int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain) +int ssl_cert_set0_chain(SSL_CONNECTION *s, SSL_CTX *ctx, STACK_OF(X509) *chain) { int i, r; - CERT_PKEY *cpk = s ? s->cert->key : ctx->cert->key; + CERT_PKEY *cpk = s != NULL ? s->cert->key : ctx->cert->key; + if (!cpk) return 0; for (i = 0; i < sk_X509_num(chain); i++) { - r = ssl_security_cert(s, ctx, sk_X509_value(chain, i), 0, 0); + X509 *x = sk_X509_value(chain, i); + + r = ssl_security_cert(s, ctx, x, 0, 0); if (r != 1) { - SSLerr(SSL_F_SSL_CERT_SET0_CHAIN, r); + ERR_raise(ERR_LIB_SSL, r); return 0; } } - sk_X509_pop_free(cpk->chain, X509_free); + OSSL_STACK_OF_X509_free(cpk->chain); cpk->chain = chain; return 1; } -int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain) +int ssl_cert_set1_chain(SSL_CONNECTION *s, SSL_CTX *ctx, STACK_OF(X509) *chain) { STACK_OF(X509) *dchain; + if (!chain) return ssl_cert_set0_chain(s, ctx, NULL); dchain = X509_chain_up_ref(chain); if (!dchain) return 0; if (!ssl_cert_set0_chain(s, ctx, dchain)) { - sk_X509_pop_free(dchain, X509_free); + OSSL_STACK_OF_X509_free(dchain); return 0; } return 1; } -int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x) +int ssl_cert_add0_chain_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x) { int r; CERT_PKEY *cpk = s ? s->cert->key : ctx->cert->key; + if (!cpk) return 0; r = ssl_security_cert(s, ctx, x, 0, 0); if (r != 1) { - SSLerr(SSL_F_SSL_CERT_ADD0_CHAIN_CERT, r); + ERR_raise(ERR_LIB_SSL, r); return 0; } if (!cpk->chain) @@ -300,20 +353,24 @@ int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x) return 1; } -int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x) +int ssl_cert_add1_chain_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x) { - if (!ssl_cert_add0_chain_cert(s, ctx, x)) + if (!X509_up_ref(x)) + return 0; + if (!ssl_cert_add0_chain_cert(s, ctx, x)) { + X509_free(x); return 0; - X509_up_ref(x); + } return 1; } int ssl_cert_select_current(CERT *c, X509 *x) { - int i; + size_t i; + if (x == NULL) return 0; - for (i = 0; i < SSL_PKEY_NUM; i++) { + for (i = 0; i < c->ssl_pkey_num; i++) { CERT_PKEY *cpk = c->pkeys + i; if (cpk->x509 == x && cpk->privatekey) { c->key = cpk; @@ -321,7 +378,7 @@ int ssl_cert_select_current(CERT *c, X509 *x) } } - for (i = 0; i < SSL_PKEY_NUM; i++) { + for (i = 0; i < c->ssl_pkey_num; i++) { CERT_PKEY *cpk = c->pkeys + i; if (cpk->privatekey && cpk->x509 && !X509_cmp(cpk->x509, x)) { c->key = cpk; @@ -333,18 +390,19 @@ int ssl_cert_select_current(CERT *c, X509 *x) int ssl_cert_set_current(CERT *c, long op) { - int i, idx; + size_t i, idx; + if (!c) return 0; if (op == SSL_CERT_SET_FIRST) idx = 0; else if (op == SSL_CERT_SET_NEXT) { - idx = (int)(c->key - c->pkeys + 1); - if (idx >= SSL_PKEY_NUM) + idx = (size_t)(c->key - c->pkeys + 1); + if (idx >= c->ssl_pkey_num) return 0; } else return 0; - for (i = idx; i < SSL_PKEY_NUM; i++) { + for (i = idx; i < c->ssl_pkey_num; i++) { CERT_PKEY *cpk = c->pkeys + i; if (cpk->x509 && cpk->privatekey) { c->key = cpk; @@ -360,32 +418,53 @@ void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg) c->cert_cb_arg = arg; } -int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk) +/* + * Verify a certificate chain/raw public key + * Return codes: + * 1: Verify success + * 0: Verify failure or error + * -1: Retry required + */ +static int ssl_verify_internal(SSL_CONNECTION *s, STACK_OF(X509) *sk, EVP_PKEY *rpk) { X509 *x; int i = 0; X509_STORE *verify_store; X509_STORE_CTX *ctx = NULL; X509_VERIFY_PARAM *param; + SSL_CTX *sctx; - if ((sk == NULL) || (sk_X509_num(sk) == 0)) + /* Something must be passed in */ + if ((sk == NULL || sk_X509_num(sk) == 0) && rpk == NULL) return 0; + /* Only one can be set */ + if (sk != NULL && rpk != NULL) + return 0; + + sctx = SSL_CONNECTION_GET_CTX(s); if (s->cert->verify_store) verify_store = s->cert->verify_store; else - verify_store = s->ctx->cert_store; + verify_store = sctx->cert_store; - ctx = X509_STORE_CTX_new(); + ctx = X509_STORE_CTX_new_ex(sctx->libctx, sctx->propq); if (ctx == NULL) { - SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); return 0; } - x = sk_X509_value(sk, 0); - if (!X509_STORE_CTX_init(ctx, verify_store, x, sk)) { - SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_X509_LIB); - goto end; + if (sk != NULL) { + x = sk_X509_value(sk, 0); + if (!X509_STORE_CTX_init(ctx, verify_store, x, sk)) { + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); + goto end; + } + } else { + if (!X509_STORE_CTX_init_rpk(ctx, verify_store, rpk)) { + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); + goto end; + } } param = X509_STORE_CTX_get0_param(ctx); /* @@ -393,14 +472,15 @@ int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk) * point, for now a single @SECLEVEL sets the same policy for TLS crypto * and PKI authentication. */ - X509_VERIFY_PARAM_set_auth_level(param, SSL_get_security_level(s)); + X509_VERIFY_PARAM_set_auth_level(param, + SSL_get_security_level(SSL_CONNECTION_GET_SSL(s))); /* Set suite B flags if needed */ X509_STORE_CTX_set_flags(ctx, tls1_suiteb(s)); - if (!X509_STORE_CTX_set_ex_data - (ctx, SSL_get_ex_data_X509_STORE_CTX_idx(), s)) { + if (!X509_STORE_CTX_set_ex_data(ctx, + SSL_get_ex_data_X509_STORE_CTX_idx(), + SSL_CONNECTION_GET_USER_SSL(s))) goto end; - } /* Verify via DANE if enabled */ if (DANETLS_ENABLED(&s->dane)) @@ -421,18 +501,23 @@ int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk) if (s->verify_callback) X509_STORE_CTX_set_verify_cb(ctx, s->verify_callback); - if (s->ctx->app_verify_callback != NULL) - i = s->ctx->app_verify_callback(ctx, s->ctx->app_verify_arg); - else + if (sctx->app_verify_callback != NULL) { + i = sctx->app_verify_callback(ctx, sctx->app_verify_arg); + } else { i = X509_verify_cert(ctx); + /* We treat an error in the same way as a failure to verify */ + if (i < 0) + i = 0; + } s->verify_result = X509_STORE_CTX_get_error(ctx); - sk_X509_pop_free(s->verified_chain, X509_free); + OSSL_STACK_OF_X509_free(s->verified_chain); s->verified_chain = NULL; - if (X509_STORE_CTX_get0_chain(ctx) != NULL) { + + if (sk != NULL && X509_STORE_CTX_get0_chain(ctx) != NULL) { s->verified_chain = X509_STORE_CTX_get1_chain(ctx); if (s->verified_chain == NULL) { - SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); i = 0; } } @@ -445,6 +530,30 @@ int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk) return i; } +/* + * Verify a raw public key + * Return codes: + * 1: Verify success + * 0: Verify failure or error + * -1: Retry required + */ +int ssl_verify_rpk(SSL_CONNECTION *s, EVP_PKEY *rpk) +{ + return ssl_verify_internal(s, NULL, rpk); +} + +/* + * Verify a certificate chain + * Return codes: + * 1: Verify success + * 0: Verify failure or error + * -1: Retry required + */ +int ssl_verify_cert_chain(SSL_CONNECTION *s, STACK_OF(X509) *sk) +{ + return ssl_verify_internal(s, sk, NULL); +} + static void set0_CA_list(STACK_OF(X509_NAME) **ca_list, STACK_OF(X509_NAME) *name_list) { @@ -461,13 +570,13 @@ STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk) ret = sk_X509_NAME_new_reserve(NULL, num); if (ret == NULL) { - SSLerr(SSL_F_SSL_DUP_CA_LIST, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); return NULL; } for (i = 0; i < num; i++) { name = X509_NAME_dup(sk_X509_NAME_value(sk, i)); if (name == NULL) { - SSLerr(SSL_F_SSL_DUP_CA_LIST, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); sk_X509_NAME_pop_free(ret, X509_NAME_free); return NULL; } @@ -478,7 +587,12 @@ STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk) void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list) { - set0_CA_list(&s->ca_names, name_list); + SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); + + if (sc == NULL) + return; + + set0_CA_list(&sc->ca_names, name_list); } void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list) @@ -493,7 +607,12 @@ const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx) const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s) { - return s->ca_names != NULL ? s->ca_names : s->ctx->ca_names; + const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); + + if (sc == NULL) + return NULL; + + return sc->ca_names != NULL ? sc->ca_names : s->ctx->ca_names; } void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list) @@ -508,20 +627,35 @@ STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx) void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list) { - set0_CA_list(&s->client_ca_names, name_list); + SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s); + + if (sc == NULL) + return; + + set0_CA_list(&sc->client_ca_names, name_list); } const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s) { - return s->s3 != NULL ? s->s3->tmp.peer_ca_names : NULL; + const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); + + if (sc == NULL) + return NULL; + + return sc->s3.tmp.peer_ca_names; } STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s) { - if (!s->server) - return s->s3 != NULL ? s->s3->tmp.peer_ca_names : NULL; - return s->client_ca_names != NULL ? s->client_ca_names - : s->ctx->client_ca_names; + const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s); + + if (sc == NULL) + return NULL; + + if (!sc->server) + return sc->s3.tmp.peer_ca_names; + return sc->client_ca_names != NULL ? sc->client_ca_names + : s->ctx->client_ca_names; } static int add_ca_name(STACK_OF(X509_NAME) **sk, const X509 *x) @@ -545,7 +679,12 @@ static int add_ca_name(STACK_OF(X509_NAME) **sk, const X509 *x) int SSL_add1_to_CA_list(SSL *ssl, const X509 *x) { - return add_ca_name(&ssl->ca_names, x); + SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); + + if (sc == NULL) + return 0; + + return add_ca_name(&sc->ca_names, x); } int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x) @@ -559,7 +698,12 @@ int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x) */ int SSL_add_client_CA(SSL *ssl, X509 *x) { - return add_ca_name(&ssl->client_ca_names, x); + SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl); + + if (sc == NULL) + return 0; + + return add_ca_name(&sc->client_ca_names, x); } int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x) @@ -598,32 +742,51 @@ static int xname_sk_cmp(const X509_NAME *const *a, const X509_NAME *const *b) static unsigned long xname_hash(const X509_NAME *a) { - return X509_NAME_hash((X509_NAME *)a); + /* This returns 0 also if SHA1 is not available */ + return X509_NAME_hash_ex((X509_NAME *)a, NULL, NULL, NULL); } -STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) +STACK_OF(X509_NAME) *SSL_load_client_CA_file_ex(const char *file, + OSSL_LIB_CTX *libctx, + const char *propq) { BIO *in = BIO_new(BIO_s_file()); X509 *x = NULL; X509_NAME *xn = NULL; STACK_OF(X509_NAME) *ret = NULL; LHASH_OF(X509_NAME) *name_hash = lh_X509_NAME_new(xname_hash, xname_cmp); + OSSL_LIB_CTX *prev_libctx = NULL; - if ((name_hash == NULL) || (in == NULL)) { - SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE); + if (file == NULL) { + ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); + goto err; + } + if (name_hash == NULL) { + ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); + goto err; + } + if (in == NULL) { + ERR_raise(ERR_LIB_SSL, ERR_R_BIO_LIB); goto err; } - if (!BIO_read_filename(in, file)) + x = X509_new_ex(libctx, propq); + if (x == NULL) { + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); + goto err; + } + if (BIO_read_filename(in, file) <= 0) goto err; + /* Internally lh_X509_NAME_retrieve() needs the libctx to retrieve SHA1 */ + prev_libctx = OSSL_LIB_CTX_set0_default(libctx); for (;;) { if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL) break; if (ret == NULL) { ret = sk_X509_NAME_new_null(); if (ret == NULL) { - SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); goto err; } } @@ -650,6 +813,8 @@ STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) sk_X509_NAME_pop_free(ret, X509_NAME_free); ret = NULL; done: + /* restore the old libctx */ + OSSL_LIB_CTX_set0_default(prev_libctx); BIO_free(in); X509_free(x); lh_X509_NAME_free(name_hash); @@ -658,25 +823,28 @@ STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) return ret; } -int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, - const char *file) +STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) +{ + return SSL_load_client_CA_file_ex(file, NULL, NULL); +} + +static int add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, + const char *file, + LHASH_OF(X509_NAME) *name_hash) { BIO *in; X509 *x = NULL; X509_NAME *xn = NULL; int ret = 1; - int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b); - - oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp); in = BIO_new(BIO_s_file()); if (in == NULL) { - SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_BIO_LIB); goto err; } - if (!BIO_read_filename(in, file)) + if (BIO_read_filename(in, file) <= 0) goto err; for (;;) { @@ -687,12 +855,15 @@ int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, xn = X509_NAME_dup(xn); if (xn == NULL) goto err; - if (sk_X509_NAME_find(stack, xn) >= 0) { + if (lh_X509_NAME_retrieve(name_hash, xn) != NULL) { /* Duplicate. */ X509_NAME_free(xn); } else if (!sk_X509_NAME_push(stack, xn)) { X509_NAME_free(xn); goto err; + } else { + /* Successful insert, add to hash table */ + lh_X509_NAME_insert(name_hash, xn); } } @@ -704,7 +875,47 @@ int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, done: BIO_free(in); X509_free(x); - (void)sk_X509_NAME_set_cmp_func(stack, oldcmp); + return ret; +} + +int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, + const char *file) +{ + X509_NAME *xn = NULL; + int ret = 1; + int idx = 0; + int num = 0; + LHASH_OF(X509_NAME) *name_hash = lh_X509_NAME_new(xname_hash, xname_cmp); + + if (file == NULL) { + ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER); + goto err; + } + + if (name_hash == NULL) { + ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); + goto err; + } + + /* + * Pre-populate the lhash with the existing entries of the stack, since + * using the LHASH_OF is much faster for duplicate checking. That's because + * xname_cmp converts the X509_NAMEs to DER involving a memory allocation + * for every single invocation of the comparison function. + */ + num = sk_X509_NAME_num(stack); + for (idx = 0; idx < num; idx++) { + xn = sk_X509_NAME_value(stack, idx); + lh_X509_NAME_insert(name_hash, xn); + } + + ret = add_file_cert_subjects_to_stack(stack, file, name_hash); + goto done; + + err: + ret = 0; + done: + lh_X509_NAME_free(name_hash); return ret; } @@ -714,16 +925,41 @@ int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, OPENSSL_DIR_CTX *d = NULL; const char *filename; int ret = 0; + X509_NAME *xn = NULL; + int idx = 0; + int num = 0; + LHASH_OF(X509_NAME) *name_hash = lh_X509_NAME_new(xname_hash, xname_cmp); - /* Note that a side effect is that the CAs will be sorted by name */ + if (name_hash == NULL) { + ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB); + goto err; + } + + /* + * Pre-populate the lhash with the existing entries of the stack, since + * using the LHASH_OF is much faster for duplicate checking. That's because + * xname_cmp converts the X509_NAMEs to DER involving a memory allocation + * for every single invocation of the comparison function. + */ + num = sk_X509_NAME_num(stack); + for (idx = 0; idx < num; idx++) { + xn = sk_X509_NAME_value(stack, idx); + lh_X509_NAME_insert(name_hash, xn); + } while ((filename = OPENSSL_DIR_read(&d, dir))) { char buf[1024]; int r; +#ifndef OPENSSL_NO_POSIX_IO + struct stat st; +#else + /* Cannot use stat so just skip current and parent directories */ + if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0) + continue; +#endif if (strlen(dir) + strlen(filename) + 2 > sizeof(buf)) { - SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, - SSL_R_PATH_TOO_LONG); + ERR_raise(ERR_LIB_SSL, SSL_R_PATH_TOO_LONG); goto err; } #ifdef OPENSSL_SYS_VMS @@ -731,16 +967,21 @@ int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, #else r = BIO_snprintf(buf, sizeof(buf), "%s/%s", dir, filename); #endif +#ifndef OPENSSL_NO_POSIX_IO + /* Skip subdirectories */ + if (!stat(buf, &st) && S_ISDIR(st.st_mode)) + continue; +#endif if (r <= 0 || r >= (int)sizeof(buf)) goto err; - if (!SSL_add_file_cert_subjects_to_stack(stack, buf)) + if (!add_file_cert_subjects_to_stack(stack, buf, name_hash)) goto err; } if (errno) { - SYSerr(SYS_F_OPENDIR, get_last_sys_error()); - ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')"); - SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); + ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(), + "calling OPENSSL_dir_read(%s)", dir); + ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB); goto err; } @@ -749,23 +990,93 @@ int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, err: if (d) OPENSSL_DIR_end(&d); + lh_X509_NAME_free(name_hash); return ret; } +static int add_uris_recursive(STACK_OF(X509_NAME) *stack, + const char *uri, int depth) +{ + int ok = 1; + OSSL_STORE_CTX *ctx = NULL; + X509 *x = NULL; + X509_NAME *xn = NULL; + OSSL_STORE_INFO *info = NULL; + + if ((ctx = OSSL_STORE_open(uri, NULL, NULL, NULL, NULL)) == NULL) + goto err; + + while (!OSSL_STORE_eof(ctx) && !OSSL_STORE_error(ctx)) { + int infotype; + + if ((info = OSSL_STORE_load(ctx)) == NULL) + continue; + infotype = OSSL_STORE_INFO_get_type(info); + + if (infotype == OSSL_STORE_INFO_NAME) { + /* + * This is an entry in the "directory" represented by the current + * uri. if |depth| allows, dive into it. + */ + if (depth > 0) + ok = add_uris_recursive(stack, OSSL_STORE_INFO_get0_NAME(info), + depth - 1); + } else if (infotype == OSSL_STORE_INFO_CERT) { + if ((x = OSSL_STORE_INFO_get0_CERT(info)) == NULL + || (xn = X509_get_subject_name(x)) == NULL + || (xn = X509_NAME_dup(xn)) == NULL) + goto err; + if (sk_X509_NAME_find(stack, xn) >= 0) { + /* Duplicate. */ + X509_NAME_free(xn); + } else if (!sk_X509_NAME_push(stack, xn)) { + X509_NAME_free(xn); + goto err; + } + } + + OSSL_STORE_INFO_free(info); + info = NULL; + } + + ERR_clear_error(); + goto done; + + err: + ok = 0; + OSSL_STORE_INFO_free(info); + done: + OSSL_STORE_close(ctx); + + return ok; +} + +int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, + const char *store) +{ + int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b) + = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp); + int ret = add_uris_recursive(stack, store, 1); + + (void)sk_X509_NAME_set_cmp_func(stack, oldcmp); + return ret; +} + /* Build a certificate chain for current certificate */ -int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags) +int ssl_build_cert_chain(SSL_CONNECTION *s, SSL_CTX *ctx, int flags) { - CERT *c = s ? s->cert : ctx->cert; + CERT *c = s != NULL ? s->cert : ctx->cert; CERT_PKEY *cpk = c->key; X509_STORE *chain_store = NULL; X509_STORE_CTX *xs_ctx = NULL; STACK_OF(X509) *chain = NULL, *untrusted = NULL; X509 *x; + SSL_CTX *real_ctx = (s == NULL) ? ctx : SSL_CONNECTION_GET_CTX(s); int i, rv = 0; - if (!cpk->x509) { - SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_NO_CERTIFICATE_SET); + if (cpk->x509 == NULL) { + ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_SET); goto err; } /* Rearranging and check the chain: add everything to a store */ @@ -782,24 +1093,22 @@ int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags) if (!X509_STORE_add_cert(chain_store, cpk->x509)) goto err; } else { - if (c->chain_store) + if (c->chain_store != NULL) chain_store = c->chain_store; - else if (s) - chain_store = s->ctx->cert_store; else - chain_store = ctx->cert_store; + chain_store = real_ctx->cert_store; if (flags & SSL_BUILD_CHAIN_FLAG_UNTRUSTED) untrusted = cpk->chain; } - xs_ctx = X509_STORE_CTX_new(); + xs_ctx = X509_STORE_CTX_new_ex(real_ctx->libctx, real_ctx->propq); if (xs_ctx == NULL) { - SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_MALLOC_FAILURE); + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); goto err; } if (!X509_STORE_CTX_init(xs_ctx, chain_store, cpk->x509, untrusted)) { - SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_X509_LIB); + ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB); goto err; } /* Set suite B flags if needed */ @@ -816,10 +1125,9 @@ int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags) if (i > 0) chain = X509_STORE_CTX_get1_chain(xs_ctx); if (i <= 0) { - SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_CERTIFICATE_VERIFY_FAILED); i = X509_STORE_CTX_get_error(xs_ctx); - ERR_add_error_data(2, "Verify error:", - X509_verify_cert_error_string(i)); + ERR_raise_data(ERR_LIB_SSL, SSL_R_CERTIFICATE_VERIFY_FAILED, + "Verify error:%s", X509_verify_cert_error_string(i)); goto err; } @@ -844,13 +1152,13 @@ int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags) x = sk_X509_value(chain, i); rv = ssl_security_cert(s, ctx, x, 0, 0); if (rv != 1) { - SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, rv); - sk_X509_pop_free(chain, X509_free); + ERR_raise(ERR_LIB_SSL, rv); + OSSL_STACK_OF_X509_free(chain); rv = 0; goto err; } } - sk_X509_pop_free(cpk->chain, X509_free); + OSSL_STACK_OF_X509_free(cpk->chain); cpk->chain = chain; if (rv == 0) rv = 1; @@ -865,20 +1173,34 @@ int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags) int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref) { X509_STORE **pstore; + + if (ref && store && !X509_STORE_up_ref(store)) + return 0; + if (chain) pstore = &c->chain_store; else pstore = &c->verify_store; X509_STORE_free(*pstore); *pstore = store; - if (ref && store) - X509_STORE_up_ref(store); + + return 1; +} + +int ssl_cert_get_cert_store(CERT *c, X509_STORE **pstore, int chain) +{ + *pstore = (chain ? c->chain_store : c->verify_store); return 1; } int ssl_get_security_level_bits(const SSL *s, const SSL_CTX *ctx, int *levelp) { int level; + /* + * note that there's a corresponding minbits_table + * in crypto/x509/x509_vfy.c that's used for checking the security level + * of RSA and DSA keys + */ static const int minbits_table[5 + 1] = { 0, 80, 112, 128, 192, 256 }; if (ctx != NULL) @@ -902,6 +1224,7 @@ static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx, void *ex) { int level, minbits, pfs_mask; + const SSL_CONNECTION *sc; minbits = ssl_get_security_level_bits(s, ctx, &level); @@ -932,9 +1255,6 @@ static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx, /* SHA1 HMAC is 160 bits of security */ if (minbits > 160 && c->algorithm_mac & SSL_SHA1) return 0; - /* Level 2: no RC4 */ - if (level >= 2 && c->algorithm_enc == SSL_RC4) - return 0; /* Level 3: forward secure ciphersuites only */ pfs_mask = SSL_kDHE | SSL_kECDHE | SSL_kDHEPSK | SSL_kECDHEPSK; if (level >= 3 && c->min_tls != TLS1_3_VERSION && @@ -943,19 +1263,15 @@ static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx, break; } case SSL_SECOP_VERSION: - if (!SSL_IS_DTLS(s)) { - /* SSLv3 not allowed at level 2 */ - if (nid <= SSL3_VERSION && level >= 2) - return 0; - /* TLS v1.1 and above only for level 3 */ - if (nid <= TLS1_VERSION && level >= 3) - return 0; - /* TLS v1.2 only for level 4 and above */ - if (nid <= TLS1_1_VERSION && level >= 4) + if ((sc = SSL_CONNECTION_FROM_CONST_SSL(s)) == NULL) + return 0; + if (!SSL_CONNECTION_IS_DTLS(sc)) { + /* SSLv3, TLS v1.0 and TLS v1.1 only allowed at level 0 */ + if (nid <= TLS1_1_VERSION && level > 0) return 0; } else { - /* DTLS v1.2 only for level 4 and above */ - if (DTLS_VERSION_LT(nid, DTLS1_2_VERSION) && level >= 4) + /* DTLS v1.0 only allowed at level 0 */ + if (DTLS_VERSION_LT(nid, DTLS1_2_VERSION) && level > 0) return 0; } break; @@ -975,9 +1291,10 @@ static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx, return 1; } -int ssl_security(const SSL *s, int op, int bits, int nid, void *other) +int ssl_security(const SSL_CONNECTION *s, int op, int bits, int nid, void *other) { - return s->cert->sec_cb(s, NULL, op, bits, nid, other, s->cert->sec_ex); + return s->cert->sec_cb(SSL_CONNECTION_GET_USER_SSL(s), NULL, op, bits, nid, + other, s->cert->sec_ex); } int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other) @@ -986,7 +1303,7 @@ int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other) ctx->cert->sec_ex); } -int ssl_cert_lookup_by_nid(int nid, size_t *pidx) +int ssl_cert_lookup_by_nid(int nid, size_t *pidx, SSL_CTX *ctx) { size_t i; @@ -996,30 +1313,50 @@ int ssl_cert_lookup_by_nid(int nid, size_t *pidx) return 1; } } - + for (i = 0; i < ctx->sigalg_list_len; i++) { + if (ctx->ssl_cert_info[i].nid == nid) { + *pidx = SSL_PKEY_NUM + i; + return 1; + } + } return 0; } -const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, size_t *pidx) +const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, size_t *pidx, SSL_CTX *ctx) { - int nid = EVP_PKEY_id(pk); - size_t tmpidx; - - if (nid == NID_undef) - return NULL; + size_t i; - if (!ssl_cert_lookup_by_nid(nid, &tmpidx)) - return NULL; + /* check classic pk types */ + for (i = 0; i < OSSL_NELEM(ssl_cert_info); i++) { + const SSL_CERT_LOOKUP *tmp_lu = &ssl_cert_info[i]; - if (pidx != NULL) - *pidx = tmpidx; + if (EVP_PKEY_is_a(pk, OBJ_nid2sn(tmp_lu->nid)) + || EVP_PKEY_is_a(pk, OBJ_nid2ln(tmp_lu->nid))) { + if (pidx != NULL) + *pidx = i; + return tmp_lu; + } + } + /* check provider-loaded pk types */ + for (i = 0; i < ctx->sigalg_list_len; i++) { + SSL_CERT_LOOKUP *tmp_lu = &(ctx->ssl_cert_info[i]); + + if (EVP_PKEY_is_a(pk, OBJ_nid2sn(tmp_lu->nid)) + || EVP_PKEY_is_a(pk, OBJ_nid2ln(tmp_lu->nid))) { + if (pidx != NULL) + *pidx = SSL_PKEY_NUM + i; + return &ctx->ssl_cert_info[i]; + } + } - return &ssl_cert_info[tmpidx]; + return NULL; } -const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx) +const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx, SSL_CTX *ctx) { - if (idx >= OSSL_NELEM(ssl_cert_info)) + if (idx >= (OSSL_NELEM(ssl_cert_info) + ctx->sigalg_list_len)) return NULL; + else if (idx >= (OSSL_NELEM(ssl_cert_info))) + return &(ctx->ssl_cert_info[idx - SSL_PKEY_NUM]); return &ssl_cert_info[idx]; } |