diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c | 574 |
1 files changed, 0 insertions, 574 deletions
diff --git a/rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c b/rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c deleted file mode 100644 index 857bc304..00000000 --- a/rubbos/app/httpd-2.0.64/modules/ssl/ssl_util_ssl.c +++ /dev/null @@ -1,574 +0,0 @@ -/* Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* _ _ - * _ __ ___ ___ __| | ___ ___| | mod_ssl - * | '_ ` _ \ / _ \ / _` | / __/ __| | Apache Interface to OpenSSL - * | | | | | | (_) | (_| | \__ \__ \ | - * |_| |_| |_|\___/ \__,_|___|___/___/_| - * |_____| - * ssl_util_ssl.c - * Additional Utility Functions for OpenSSL - */ - -#include "mod_ssl.h" - -/* _________________________________________________________________ -** -** Additional High-Level Functions for OpenSSL -** _________________________________________________________________ -*/ - -/* we initialize this index at startup time - * and never write to it at request time, - * so this static is thread safe. - * also note that OpenSSL increments at static variable when - * SSL_get_ex_new_index() is called, so we _must_ do this at startup. - */ -static int SSL_app_data2_idx = -1; - -void SSL_init_app_data2_idx(void) -{ - int i; - - if (SSL_app_data2_idx > -1) { - return; - } - - /* we _do_ need to call this twice */ - for (i=0; i<=1; i++) { - SSL_app_data2_idx = - SSL_get_ex_new_index(0, - "Second Application Data for SSL", - NULL, NULL, NULL); - } -} - -void *SSL_get_app_data2(SSL *ssl) -{ - return (void *)SSL_get_ex_data(ssl, SSL_app_data2_idx); -} - -void SSL_set_app_data2(SSL *ssl, void *arg) -{ - SSL_set_ex_data(ssl, SSL_app_data2_idx, (char *)arg); - return; -} - -/* _________________________________________________________________ -** -** High-Level Certificate / Private Key Loading -** _________________________________________________________________ -*/ - -X509 *SSL_read_X509(char* filename, X509 **x509, modssl_read_bio_cb_fn *cb) -{ - X509 *rc; - BIO *bioS; - BIO *bioF; - - /* 1. try PEM (= DER+Base64+headers) */ - if ((bioS=BIO_new_file(filename, "r")) == NULL) - return NULL; - rc = modssl_PEM_read_bio_X509 (bioS, x509, cb, NULL); - BIO_free(bioS); - - if (rc == NULL) { - /* 2. try DER+Base64 */ - if ((bioS=BIO_new_file(filename, "r")) == NULL) - return NULL; - - if ((bioF = BIO_new(BIO_f_base64())) == NULL) { - BIO_free(bioS); - return NULL; - } - bioS = BIO_push(bioF, bioS); - rc = d2i_X509_bio(bioS, NULL); - BIO_free_all(bioS); - - if (rc == NULL) { - /* 3. try plain DER */ - if ((bioS=BIO_new_file(filename, "r")) == NULL) - return NULL; - rc = d2i_X509_bio(bioS, NULL); - BIO_free(bioS); - } - } - if (rc != NULL && x509 != NULL) { - if (*x509 != NULL) - X509_free(*x509); - *x509 = rc; - } - return rc; -} - -#if SSL_LIBRARY_VERSION <= 0x00904100 -static EVP_PKEY *d2i_PrivateKey_bio(BIO *bio, EVP_PKEY **key) -{ - return ((EVP_PKEY *)ASN1_d2i_bio( - (char *(*)())EVP_PKEY_new, - (char *(*)())d2i_PrivateKey, - (bio), (unsigned char **)(key))); -} -#endif - -EVP_PKEY *SSL_read_PrivateKey(char* filename, EVP_PKEY **key, modssl_read_bio_cb_fn *cb, void *s) -{ - EVP_PKEY *rc; - BIO *bioS; - BIO *bioF; - - /* 1. try PEM (= DER+Base64+headers) */ - if ((bioS=BIO_new_file(filename, "r")) == NULL) - return NULL; - rc = modssl_PEM_read_bio_PrivateKey(bioS, key, cb, s); - BIO_free(bioS); - - if (rc == NULL) { - /* 2. try DER+Base64 */ - if ((bioS = BIO_new_file(filename, "r")) == NULL) - return NULL; - - if ((bioF = BIO_new(BIO_f_base64())) == NULL) { - BIO_free(bioS); - return NULL; - } - bioS = BIO_push(bioF, bioS); - rc = d2i_PrivateKey_bio(bioS, NULL); - BIO_free_all(bioS); - - if (rc == NULL) { - /* 3. try plain DER */ - if ((bioS = BIO_new_file(filename, "r")) == NULL) - return NULL; - rc = d2i_PrivateKey_bio(bioS, NULL); - BIO_free(bioS); - } - } - if (rc != NULL && key != NULL) { - if (*key != NULL) - EVP_PKEY_free(*key); - *key = rc; - } - return rc; -} - -/* _________________________________________________________________ -** -** Smart shutdown -** _________________________________________________________________ -*/ - -int SSL_smart_shutdown(SSL *ssl) -{ - int i; - int rc; - - /* - * Repeat the calls, because SSL_shutdown internally dispatches through a - * little state machine. Usually only one or two interation should be - * needed, so we restrict the total number of restrictions in order to - * avoid process hangs in case the client played bad with the socket - * connection and OpenSSL cannot recognize it. - */ - rc = 0; - for (i = 0; i < 4 /* max 2x pending + 2x data = 4 */; i++) { - if ((rc = SSL_shutdown(ssl))) - break; - } - return rc; -} - -/* _________________________________________________________________ -** -** Certificate Revocation List (CRL) Storage -** _________________________________________________________________ -*/ - -X509_STORE *SSL_X509_STORE_create(char *cpFile, char *cpPath) -{ - X509_STORE *pStore; - X509_LOOKUP *pLookup; - - if (cpFile == NULL && cpPath == NULL) - return NULL; - if ((pStore = X509_STORE_new()) == NULL) - return NULL; - if (cpFile != NULL) { - pLookup = X509_STORE_add_lookup(pStore, X509_LOOKUP_file()); - if (pLookup == NULL) { - X509_STORE_free(pStore); - return NULL; - } - X509_LOOKUP_load_file(pLookup, cpFile, X509_FILETYPE_PEM); - } - if (cpPath != NULL) { - pLookup = X509_STORE_add_lookup(pStore, X509_LOOKUP_hash_dir()); - if (pLookup == NULL) { - X509_STORE_free(pStore); - return NULL; - } - X509_LOOKUP_add_dir(pLookup, cpPath, X509_FILETYPE_PEM); - } - return pStore; -} - -int SSL_X509_STORE_lookup(X509_STORE *pStore, int nType, - X509_NAME *pName, X509_OBJECT *pObj) -{ - X509_STORE_CTX pStoreCtx; - int rc; - - X509_STORE_CTX_init(&pStoreCtx, pStore, NULL, NULL); - rc = X509_STORE_get_by_subject(&pStoreCtx, nType, pName, pObj); - X509_STORE_CTX_cleanup(&pStoreCtx); - return rc; -} - -/* _________________________________________________________________ -** -** Cipher Suite Spec String Creation -** _________________________________________________________________ -*/ - -char *SSL_make_ciphersuite(apr_pool_t *p, SSL *ssl) -{ - STACK_OF(SSL_CIPHER) *sk; - SSL_CIPHER *c; - int i; - int l; - char *cpCipherSuite; - char *cp; - - if (ssl == NULL) - return ""; - if ((sk = (STACK_OF(SSL_CIPHER) *)SSL_get_ciphers(ssl)) == NULL) - return ""; - l = 0; - for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { - c = sk_SSL_CIPHER_value(sk, i); - l += strlen(SSL_CIPHER_get_name(c))+2+1; - } - if (l == 0) - return ""; - cpCipherSuite = (char *)apr_palloc(p, l+1); - cp = cpCipherSuite; - for (i = 0; i < sk_SSL_CIPHER_num(sk); i++) { - c = sk_SSL_CIPHER_value(sk, i); - l = strlen(SSL_CIPHER_get_name(c)); - memcpy(cp, SSL_CIPHER_get_name(c), l); - cp += l; - *cp++ = '/'; - *cp++ = (SSL_CIPHER_get_valid(c) == 1 ? '1' : '0'); - *cp++ = ':'; - } - *(cp-1) = NUL; - return cpCipherSuite; -} - -/* _________________________________________________________________ -** -** Certificate Checks -** _________________________________________________________________ -*/ - -/* check whether cert contains extended key usage with a SGC tag */ -BOOL SSL_X509_isSGC(X509 *cert) -{ -#ifdef HAVE_SSL_X509V3_EXT_d2i - X509_EXTENSION *ext; - int ext_nid; - STACK *sk; - BOOL is_sgc; - int idx; - int i; - - is_sgc = FALSE; - idx = X509_get_ext_by_NID(cert, NID_ext_key_usage, -1); - if (idx >= 0) { - ext = X509_get_ext(cert, idx); - if ((sk = (STACK *)X509V3_EXT_d2i(ext)) != NULL) { - for (i = 0; i < sk_num(sk); i++) { - ext_nid = OBJ_obj2nid((ASN1_OBJECT *)sk_value(sk, i)); - if (ext_nid == NID_ms_sgc || ext_nid == NID_ns_sgc) { - is_sgc = TRUE; - break; - } - } - } - } - return is_sgc; -#else - return FALSE; -#endif -} - -/* retrieve basic constraints ingredients */ -BOOL SSL_X509_getBC(X509 *cert, int *ca, int *pathlen) -{ -#ifdef HAVE_SSL_X509V3_EXT_d2i - X509_EXTENSION *ext; - BASIC_CONSTRAINTS *bc; - int idx; - BIGNUM *bn = NULL; - char *cp; - - if ((idx = X509_get_ext_by_NID(cert, NID_basic_constraints, -1)) < 0) - return FALSE; - ext = X509_get_ext(cert, idx); - if (ext == NULL) - return FALSE; - if ((bc = (BASIC_CONSTRAINTS *)X509V3_EXT_d2i(ext)) == NULL) - return FALSE; - *ca = bc->ca; - *pathlen = -1 /* unlimited */; - if (bc->pathlen != NULL) { - if ((bn = ASN1_INTEGER_to_BN(bc->pathlen, NULL)) == NULL) - return FALSE; - if ((cp = BN_bn2dec(bn)) == NULL) - return FALSE; - *pathlen = atoi(cp); - free(cp); - BN_free(bn); - } - BASIC_CONSTRAINTS_free(bc); - return TRUE; -#else - return FALSE; -#endif -} - -/* retrieve subject CommonName of certificate */ -BOOL SSL_X509_getCN(apr_pool_t *p, X509 *xs, char **cppCN) -{ - X509_NAME *xsn; - X509_NAME_ENTRY *xsne; - int i, nid; - unsigned char *data_ptr; - int data_len; - - xsn = X509_get_subject_name(xs); - for (i = 0; i < sk_X509_NAME_ENTRY_num((STACK_OF(X509_NAME_ENTRY) *) - X509_NAME_get_entries(xsn)); i++) { - xsne = sk_X509_NAME_ENTRY_value((STACK_OF(X509_NAME_ENTRY) *) - X509_NAME_get_entries(xsn), i); - nid = OBJ_obj2nid((ASN1_OBJECT *)X509_NAME_ENTRY_get_object(xsne)); - if (nid == NID_commonName) { - data_ptr = X509_NAME_ENTRY_get_data_ptr(xsne); - data_len = X509_NAME_ENTRY_get_data_len(xsne); - *cppCN = apr_palloc(p, data_len+1); - apr_cpystrn(*cppCN, (char *)data_ptr, data_len+1); - (*cppCN)[data_len] = NUL; -#ifdef CHARSET_EBCDIC - ascii2ebcdic(*cppCN, *cppCN, strlen(*cppCN)); -#endif - return TRUE; - } - } - return FALSE; -} - -/* _________________________________________________________________ -** -** Low-Level CA Certificate Loading -** _________________________________________________________________ -*/ - -BOOL SSL_X509_INFO_load_file(apr_pool_t *ptemp, - STACK_OF(X509_INFO) *sk, - const char *filename) -{ - BIO *in; - - if (!(in = BIO_new(BIO_s_file()))) { - return FALSE; - } - - if (BIO_read_filename(in, MODSSL_PCHAR_CAST filename) <= 0) { - BIO_free(in); - return FALSE; - } - - ERR_clear_error(); - - modssl_PEM_X509_INFO_read_bio(in, sk, NULL, NULL); - - BIO_free(in); - - return TRUE; -} - -BOOL SSL_X509_INFO_load_path(apr_pool_t *ptemp, - STACK_OF(X509_INFO) *sk, - const char *pathname) -{ - /* XXX: this dir read code is exactly the same as that in - * ssl_engine_init.c, only the call to handle the fullname is different, - * should fold the duplication. - */ - apr_dir_t *dir; - apr_finfo_t dirent; - apr_int32_t finfo_flags = APR_FINFO_TYPE|APR_FINFO_NAME; - const char *fullname; - BOOL ok = FALSE; - - if (apr_dir_open(&dir, pathname, ptemp) != APR_SUCCESS) { - return FALSE; - } - - while ((apr_dir_read(&dirent, finfo_flags, dir)) == APR_SUCCESS) { - if (dirent.filetype == APR_DIR) { - continue; /* don't try to load directories */ - } - - fullname = apr_pstrcat(ptemp, - pathname, "/", dirent.name, - NULL); - - if (SSL_X509_INFO_load_file(ptemp, sk, fullname)) { - ok = TRUE; - } - } - - apr_dir_close(dir); - - return ok; -} - -/* _________________________________________________________________ -** -** Extra Server Certificate Chain Support -** _________________________________________________________________ -*/ - -/* - * Read a file that optionally contains the server certificate in PEM - * format, possibly followed by a sequence of CA certificates that - * should be sent to the peer in the SSL Certificate message. - */ -int SSL_CTX_use_certificate_chain( - SSL_CTX *ctx, char *file, int skipfirst, modssl_read_bio_cb_fn *cb) -{ - BIO *bio; - X509 *x509; - unsigned long err; - int n; - STACK *extra_certs; - - if ((bio = BIO_new(BIO_s_file_internal())) == NULL) - return -1; - if (BIO_read_filename(bio, file) <= 0) { - BIO_free(bio); - return -1; - } - /* optionally skip a leading server certificate */ - if (skipfirst) { - if ((x509 = modssl_PEM_read_bio_X509(bio, NULL, cb, NULL)) == NULL) { - BIO_free(bio); - return -1; - } - X509_free(x509); - } - /* free a perhaps already configured extra chain */ - extra_certs=SSL_CTX_get_extra_certs(ctx); - if (extra_certs != NULL) { - sk_X509_pop_free((STACK_OF(X509) *)extra_certs, X509_free); - SSL_CTX_set_extra_certs(ctx,NULL); - } - /* create new extra chain by loading the certs */ - n = 0; - while ((x509 = modssl_PEM_read_bio_X509(bio, NULL, cb, NULL)) != NULL) { - if (!SSL_CTX_add_extra_chain_cert(ctx, x509)) { - X509_free(x509); - BIO_free(bio); - return -1; - } - n++; - } - /* Make sure that only the error is just an EOF */ - if ((err = ERR_peek_error()) > 0) { - if (!( ERR_GET_LIB(err) == ERR_LIB_PEM - && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)) { - BIO_free(bio); - return -1; - } - while (ERR_get_error() > 0) ; - } - BIO_free(bio); - return n; -} - -/* _________________________________________________________________ -** -** Session Stuff -** _________________________________________________________________ -*/ - -char *SSL_SESSION_id2sz(unsigned char *id, int idlen, - char *str, int strsize) -{ - char *cp; - int n; - - cp = str; - for (n = 0; n < idlen && n < SSL_MAX_SSL_SESSION_ID_LENGTH; n++) { - apr_snprintf(cp, strsize - (cp-str), "%02X", id[n]); - cp += 2; - } - *cp = NUL; - return str; -} - -/* sslc+OpenSSL compat */ - -int modssl_session_get_time(SSL_SESSION *session) -{ -#ifdef OPENSSL_VERSION_NUMBER - return SSL_SESSION_get_time(session); -#else /* assume sslc */ - CRYPTO_TIME_T ct; - SSL_SESSION_get_time(session, &ct); - return CRYPTO_time_to_int(&ct); -#endif -} - -#ifndef SSLC_VERSION_NUMBER -#define SSLC_VERSION_NUMBER 0x0000 -#endif - -DH *modssl_dh_configure(unsigned char *p, int plen, - unsigned char *g, int glen) -{ - DH *dh; - - if (!(dh = DH_new())) { - return NULL; - } - -#if defined(OPENSSL_VERSION_NUMBER) || (SSLC_VERSION_NUMBER < 0x2000) - dh->p = BN_bin2bn(p, plen, NULL); - dh->g = BN_bin2bn(g, glen, NULL); - if (!(dh->p && dh->g)) { - DH_free(dh); - return NULL; - } -#else - R_EITEMS_add(dh->data, PK_TYPE_DH, PK_DH_P, 0, p, plen, R_EITEMS_PF_COPY); - R_EITEMS_add(dh->data, PK_TYPE_DH, PK_DH_G, 0, g, glen, R_EITEMS_PF_COPY); -#endif - - return dh; -} |