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Fix gnupg_verify, invalid reference handling and depended on invalid behavior with ZVAL types

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This commit is contained in:
Sean DuBois 2016-05-03 02:20:51 -05:00
parent 9d30ee407a
commit d9aacb1358
1 changed files with 33 additions and 7 deletions
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40
gnupg.c
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@ -161,8 +161,17 @@ static zend_object* gnupg_obj_new(zend_class_entry *class_type TSRMLS_DC){
}
/* }}} */
/* {{{ arginfo gnupg_decryptverify */
ZEND_BEGIN_ARG_INFO_EX(arginfo_gnupg_decryptverify, 0, 0, 2)
/* {{{ arginfo gnupg_verify_method */
ZEND_BEGIN_ARG_INFO_EX(arginfo_gnupg_verify_method, 0, 0, 2)
ZEND_ARG_INFO(0, text)
ZEND_ARG_INFO(0, signature)
ZEND_ARG_INFO(1, plaintext)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ arginfo gnupg_decryptverify_method */
ZEND_BEGIN_ARG_INFO_EX(arginfo_gnupg_decryptverify_method, 0, 0, 2)
ZEND_ARG_INFO(0, enctext)
ZEND_ARG_INFO(1, plaintext)
ZEND_END_ARG_INFO()
@ -171,7 +180,7 @@ ZEND_END_ARG_INFO()
/* {{{ methodlist gnupg */
static zend_function_entry gnupg_methods[] = {
PHP_FALIAS(keyinfo, gnupg_keyinfo, NULL)
PHP_FALIAS(verify, gnupg_verify, NULL)
PHP_FALIAS(verify, gnupg_verify, arginfo_gnupg_verify_method)
PHP_FALIAS(geterror, gnupg_geterror, NULL)
PHP_FALIAS(clearsignkeys, gnupg_clearsignkeys, NULL)
PHP_FALIAS(clearencryptkeys, gnupg_clearencryptkeys, NULL)
@ -185,7 +194,7 @@ static zend_function_entry gnupg_methods[] = {
PHP_FALIAS(setsignmode, gnupg_setsignmode, NULL)
PHP_FALIAS(sign, gnupg_sign, NULL)
PHP_FALIAS(encryptsign, gnupg_encryptsign, NULL)
PHP_FALIAS(decryptverify, gnupg_decryptverify, arginfo_gnupg_decryptverify)
PHP_FALIAS(decryptverify, gnupg_decryptverify, arginfo_gnupg_decryptverify_method)
PHP_FALIAS(addsignkey, gnupg_addsignkey, NULL)
PHP_FALIAS(addencryptkey, gnupg_addencryptkey, NULL)
PHP_FALIAS(adddecryptkey, gnupg_adddecryptkey, NULL)
@ -203,13 +212,29 @@ static void gnupg_declare_long_constant(const char *const_name, long value TSRML
}
/* }}} */
/* {{{ arginfo gnupg_verify_method */
ZEND_BEGIN_ARG_INFO_EX(arginfo_gnupg_verify_function, 0, 0, 3)
ZEND_ARG_INFO(0, res)
ZEND_ARG_INFO(0, text)
ZEND_ARG_INFO(0, signature)
ZEND_ARG_INFO(1, plaintext)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ arginfo gnupg_decryptverify_method */
ZEND_BEGIN_ARG_INFO_EX(arginfo_gnupg_decryptverify_function, 0, 0, 3)
ZEND_ARG_INFO(0, res)
ZEND_ARG_INFO(0, enctext)
ZEND_ARG_INFO(1, plaintext)
ZEND_END_ARG_INFO()
/* }}} */
/* {{{ functionlist gnupg */
static zend_function_entry gnupg_functions[] = {
PHP_FE(gnupg_init, NULL)
PHP_FE(gnupg_keyinfo, NULL)
PHP_FE(gnupg_sign, NULL)
PHP_FE(gnupg_verify, NULL)
PHP_FE(gnupg_verify, arginfo_gnupg_verify_function)
PHP_FE(gnupg_clearsignkeys, NULL)
PHP_FE(gnupg_clearencryptkeys, NULL)
PHP_FE(gnupg_cleardecryptkeys, NULL)
@ -221,7 +246,7 @@ static zend_function_entry gnupg_functions[] = {
PHP_FE(gnupg_getprotocol, NULL)
PHP_FE(gnupg_setsignmode, NULL)
PHP_FE(gnupg_encryptsign, NULL)
PHP_FE(gnupg_decryptverify, arginfo_gnupg_decryptverify)
PHP_FE(gnupg_decryptverify, arginfo_gnupg_decryptverify_function)
PHP_FE(gnupg_geterror, NULL)
PHP_FE(gnupg_addsignkey, NULL)
PHP_FE(gnupg_addencryptkey, NULL)
@ -1077,7 +1102,7 @@ PHP_FUNCTION(gnupg_verify){
}
intern = (gnupg_object *) zend_fetch_resource(Z_RES_P(res), "ctx", le_gnupg);
}
if(Z_STRVAL_P(signature)){ /* detached signature */
if(Z_TYPE_P(signature) == IS_STRING){ /* detached signature */
/* setup signature-databuffer for gpgme */
if((intern->err = gpgme_data_new_from_mem (&gpgme_sig, Z_STRVAL_P(signature), Z_STRLEN_P(signature), 0))!=GPG_ERR_NO_ERROR){
GNUPG_ERR ("could not create signature-databuffer");
@ -1127,6 +1152,7 @@ PHP_FUNCTION(gnupg_verify){
/* get a 'plain' version of the text without a signature */
gpg_plain = gpgme_data_release_and_get_mem(gpgme_text,&gpg_plain_len);
if(gpg_plain && gpg_plain_len > 0 && plain_text){
ZVAL_DEREF (plain_text);
ZVAL_STRINGL (plain_text, gpg_plain,gpg_plain_len);
}
free (gpg_plain);