diff options
Diffstat (limited to 'ext/openssl/openssl.c')
-rw-r--r-- | ext/openssl/openssl.c | 138 |
1 files changed, 105 insertions, 33 deletions
diff --git a/ext/openssl/openssl.c b/ext/openssl/openssl.c index d7ac117e5..f1dfa5024 100644 --- a/ext/openssl/openssl.c +++ b/ext/openssl/openssl.c @@ -561,6 +561,7 @@ static EVP_PKEY * php_openssl_generate_private_key(struct php_x509_request * req static void add_assoc_name_entry(zval * val, char * key, X509_NAME * name, int shortname TSRMLS_DC) /* {{{ */ { + zval **data; zval *subitem, *subentries; int i, j = -1, last = -1, obj_cnt = 0; char *sname; @@ -578,7 +579,7 @@ static void add_assoc_name_entry(zval * val, char * key, X509_NAME * name, int s for (i = 0; i < X509_NAME_entry_count(name); i++) { unsigned char *to_add; - int to_add_len; + int to_add_len = 0; ne = X509_NAME_get_entry(name, i); @@ -592,39 +593,27 @@ static void add_assoc_name_entry(zval * val, char * key, X509_NAME * name, int s sname = (char *) OBJ_nid2ln(nid); } - MAKE_STD_ZVAL(subentries); - array_init(subentries); + str = X509_NAME_ENTRY_get_data(ne); + if (ASN1_STRING_type(str) != V_ASN1_UTF8STRING) { + to_add_len = ASN1_STRING_to_UTF8(&to_add, str); + } else { + to_add = ASN1_STRING_data(str); + to_add_len = ASN1_STRING_length(str); + } - last = -1; - for (;;) { - j = X509_NAME_get_index_by_OBJ(name, obj, last); - if (j < 0) { - if (last != -1) break; - } else { - obj_cnt++; - ne = X509_NAME_get_entry(name, j); - str = X509_NAME_ENTRY_get_data(ne); - if (ASN1_STRING_type(str) != V_ASN1_UTF8STRING) { - to_add_len = ASN1_STRING_to_UTF8(&to_add, str); - if (to_add_len != -1) { - add_next_index_stringl(subentries, (char *)to_add, to_add_len, 1); - } - } else { - to_add = ASN1_STRING_data(str); - to_add_len = ASN1_STRING_length(str); + if (to_add_len != -1) { + if (zend_hash_find(Z_ARRVAL_P(subitem), sname, strlen(sname)+1, (void**)&data) == SUCCESS) { + if (Z_TYPE_PP(data) == IS_ARRAY) { + subentries = *data; + add_next_index_stringl(subentries, (char *)to_add, to_add_len, 1); + } else if (Z_TYPE_PP(data) == IS_STRING) { + MAKE_STD_ZVAL(subentries); + array_init(subentries); + add_next_index_stringl(subentries, Z_STRVAL_PP(data), Z_STRLEN_PP(data), 1); add_next_index_stringl(subentries, (char *)to_add, to_add_len, 1); + zend_hash_update(Z_ARRVAL_P(subitem), sname, strlen(sname)+1, &subentries, sizeof(zval*), NULL); } - } - last = j; - } - i = last; - - if (obj_cnt > 1) { - add_assoc_zval_ex(subitem, sname, strlen(sname) + 1, subentries); - } else { - zval_dtor(subentries); - FREE_ZVAL(subentries); - if (obj_cnt && str && to_add_len > -1) { + } else { add_assoc_stringl(subitem, sname, (char *)to_add, to_add_len, 1); } } @@ -1398,6 +1387,74 @@ PHP_FUNCTION(openssl_x509_check_private_key) } /* }}} */ +/* Special handling of subjectAltName, see CVE-2013-4073 + * Christian Heimes + */ + +static int openssl_x509v3_subjectAltName(BIO *bio, X509_EXTENSION *extension) +{ + GENERAL_NAMES *names; + const X509V3_EXT_METHOD *method = NULL; + long i, length, num; + const unsigned char *p; + + method = X509V3_EXT_get(extension); + if (method == NULL) { + return -1; + } + + p = extension->value->data; + length = extension->value->length; + if (method->it) { + names = (GENERAL_NAMES*)(ASN1_item_d2i(NULL, &p, length, + ASN1_ITEM_ptr(method->it))); + } else { + names = (GENERAL_NAMES*)(method->d2i(NULL, &p, length)); + } + if (names == NULL) { + return -1; + } + + num = sk_GENERAL_NAME_num(names); + for (i = 0; i < num; i++) { + GENERAL_NAME *name; + ASN1_STRING *as; + name = sk_GENERAL_NAME_value(names, i); + switch (name->type) { + case GEN_EMAIL: + BIO_puts(bio, "email:"); + as = name->d.rfc822Name; + BIO_write(bio, ASN1_STRING_data(as), + ASN1_STRING_length(as)); + break; + case GEN_DNS: + BIO_puts(bio, "DNS:"); + as = name->d.dNSName; + BIO_write(bio, ASN1_STRING_data(as), + ASN1_STRING_length(as)); + break; + case GEN_URI: + BIO_puts(bio, "URI:"); + as = name->d.uniformResourceIdentifier; + BIO_write(bio, ASN1_STRING_data(as), + ASN1_STRING_length(as)); + break; + default: + /* use builtin print for GEN_OTHERNAME, GEN_X400, + * GEN_EDIPARTY, GEN_DIRNAME, GEN_IPADD and GEN_RID + */ + GENERAL_NAME_print(bio, name); + } + /* trailing ', ' except for last element */ + if (i < (num - 1)) { + BIO_puts(bio, ", "); + } + } + sk_GENERAL_NAME_pop_free(names, GENERAL_NAME_free); + + return 0; +} + /* {{{ proto array openssl_x509_parse(mixed x509 [, bool shortnames=true]) Returns an array of the fields/values of the CERT */ PHP_FUNCTION(openssl_x509_parse) @@ -1494,15 +1551,30 @@ PHP_FUNCTION(openssl_x509_parse) for (i = 0; i < X509_get_ext_count(cert); i++) { + int nid; extension = X509_get_ext(cert, i); - if (OBJ_obj2nid(X509_EXTENSION_get_object(extension)) != NID_undef) { + nid = OBJ_obj2nid(X509_EXTENSION_get_object(extension)); + if (nid != NID_undef) { extname = (char *)OBJ_nid2sn(OBJ_obj2nid(X509_EXTENSION_get_object(extension))); } else { OBJ_obj2txt(buf, sizeof(buf)-1, X509_EXTENSION_get_object(extension), 1); extname = buf; } bio_out = BIO_new(BIO_s_mem()); - if (X509V3_EXT_print(bio_out, extension, 0, 0)) { + if (nid == NID_subject_alt_name) { + if (openssl_x509v3_subjectAltName(bio_out, extension) == 0) { + BIO_get_mem_ptr(bio_out, &bio_buf); + add_assoc_stringl(subitem, extname, bio_buf->data, bio_buf->length, 1); + } else { + zval_dtor(return_value); + if (certresource == -1 && cert) { + X509_free(cert); + } + BIO_free(bio_out); + RETURN_FALSE; + } + } + else if (X509V3_EXT_print(bio_out, extension, 0, 0)) { BIO_get_mem_ptr(bio_out, &bio_buf); add_assoc_stringl(subitem, extname, bio_buf->data, bio_buf->length, 1); } else { |