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fixed bug #7587

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cleaned up verify-method
This commit is contained in:
Thilo Raufeisen 2006-05-18 19:27:52 +00:00
parent f3a9027773
commit abaa52b97a
1 changed files with 67 additions and 58 deletions
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65
gnupg.c
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@ -27,7 +27,7 @@
static int le_gnupg;
#define PHP_GNUPG_VERSION "1.1"
#define PHP_GNUPG_VERSION "1.2"
#ifdef ZEND_ENGINE_2
static zend_object_handlers gnupg_object_handlers;
@ -446,7 +446,7 @@ int gnupg_fetchsignatures(gpgme_signature_t gpgme_signatures, zval *sig_arr, zva
add_assoc_long (sig_arr, "validity", gpgme_signatures->validity );
add_assoc_long (sig_arr, "timestamp", gpgme_signatures->timestamp );
add_assoc_long (sig_arr, "status", gpgme_signatures->status );
add_assoc_long (sig_arr, "summary", gpgme_signatures->summary );
add_next_index_zval (main_arr, sig_arr);
gpgme_signatures = gpgme_signatures->next;
@ -1090,77 +1090,86 @@ PHP_FUNCTION(gnupg_encryptsign){
* verifies the given clearsigned text and returns information about the result in an array
*/
PHP_FUNCTION(gnupg_verify){
char *text;
int text_len;
zval *signature = NULL; /* use zval here because the signature can be binary */
zval *plaintext = NULL;
zval *sig_arr;
char *gpg_plain;
size_t gpg_plain_len;
gpgme_data_t gpgme_text, gpgme_sig;
gpgme_verify_result_t gpgme_result;
gpgme_signature_t gpgme_signatures;
zval *signature_array;
zval *signed_text = NULL; /* text without the signature, if its a detached one, or the text incl the sig */
zval *signature = NULL; /* signature, if its a detached one */
zval *plain_text = NULL; /* signed_text without the signature if its not a detached sig */
char *gpg_plain;
int gpg_plain_len;
GNUPG_GETOBJ();
if(this){
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz|z", &text, &text_len, &signature, &plaintext) == FAILURE){
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "zz|z", &signed_text, &signature, &plain_text) == FAILURE){
return;
}
}else{
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rsz|z", &res, &text, &text_len, &signature, &plaintext) == FAILURE){
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "rzz|z", &res, &signed_text, &signature, &plain_text) == FAILURE){
return;
}
ZEND_FETCH_RESOURCE(intern,gnupg_object *, &res, -1, "ctx", le_gnupg);
}
if(Z_STRVAL_P(signature)){
if(Z_STRVAL_P(signature)){ /* 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");
return;
}
if((intern->err = gpgme_data_new (&gpgme_text))!=GPG_ERR_NO_ERROR){
/* and the text */
if((intern->err = gpgme_data_new_from_mem (&gpgme_text, Z_STRVAL_P(signed_text), Z_STRLEN_P(signed_text), 0))!=GPG_ERR_NO_ERROR){
GNUPG_ERR ("could not create text-databuffer");
gpgme_data_release (gpgme_sig);
gpgme_data_release (gpgme_text);
return;
}
}else{
/* no separate signature was passed
* so we assume that it is a clearsigned message
* text now becomes the signature
* creating the text-databuffer is still needed
*/
if((intern->err = gpgme_data_new_from_mem (&gpgme_sig, text, text_len, 0))!=GPG_ERR_NO_ERROR){
/* now verify sig + text */
if((intern->err = gpgme_op_verify (intern->ctx, gpgme_sig, gpgme_text, NULL))!=GPG_ERR_NO_ERROR){
GNUPG_ERR ("verify failed");
gpgme_data_release (gpgme_sig);
gpgme_data_release (gpgme_text);
return;
}
}else{ /* clearsign or normal signature */
if((intern->err = gpgme_data_new_from_mem (&gpgme_sig, Z_STRVAL_P(signed_text), Z_STRLEN_P(signed_text), 0))!=GPG_ERR_NO_ERROR){
GNUPG_ERR ("could not create signature-databuffer");
return;
}
/* set a NULL databuffer for gpgme */
if((intern->err = gpgme_data_new_from_mem (&gpgme_text, NULL, 0, 0))!=GPG_ERR_NO_ERROR){
GNUPG_ERR ("could not create text-databuffer");
gpgme_data_release (gpgme_sig);
gpgme_data_release (gpgme_text);
return;
}
}
/* and verify the 'signature' */
if((intern->err = gpgme_op_verify (intern->ctx, gpgme_sig, NULL, gpgme_text))!=GPG_ERR_NO_ERROR){
GNUPG_ERR ("verify failed");
gpgme_data_release (gpgme_sig);
gpgme_data_release (gpgme_text);
return;
}
}
/* now get the result */
gpgme_result = gpgme_op_verify_result (intern->ctx);
if(!gpgme_result->signatures){
GNUPG_ERR ("no signature found");
}else{
gnupg_fetchsignatures (gpgme_result->signatures,sig_arr,return_value);
/* fetch all signatures in an array */
gnupg_fetchsignatures (gpgme_result->signatures,signature_array,return_value);
/* get a 'plain' version of the text without a signature */
gpg_plain = gpgme_data_release_and_get_mem(gpgme_text,&gpg_plain_len);
if(plaintext){
ZVAL_STRINGL (plaintext,gpg_plain,gpg_plain_len,1);
if(gpg_plain && gpg_plain_len > 0){
ZVAL_STRINGL (plain_text, gpg_plain,gpg_plain_len,1);
}
free (gpg_plain);
gpgme_data_release_and_get_mem(gpgme_text,&gpg_plain_len);
}
gpgme_data_release (gpgme_sig);
free (gpgme_text);
free (gpg_plain);
}
/* }}} */