Implemented list functionality for secretservice- linux

Signed-off-by: Avi Vaid <avaid1996@gmail.com>

osxkeychain/osxkeychain_darwin.c

@@ -140,7 +140,7 @@ char *keychain_list(char *** paths, char *** accts, unsigned int *list_l) {
             CFStringRef pathTmp = CFDictionaryGetValue(currKey, CFSTR("path"));
             CFStringRef acctTmp = CFDictionaryGetValue(currKey, CFSTR("acct"));
             if (acctTmp == NULL) {
-                acctTmp = CFSTR("<unknown>");
+                acctTmp = CFSTR("account not defined");
             }
             char * path = (char *) malloc(CFStringGetLength(pathTmp)+1);
             path = CFStringToCharArr(pathTmp);
@@ -172,4 +172,4 @@ void freeListData(char *** data, unsigned int length) {
         free((*data)[i]);
      }
      free(*data);
-}
+}

secretservice/secretservice_linux.c

@@ -96,3 +96,44 @@ GError *get(char *server, char **username, char **secret) {
 	}
 	return NULL;
 }
+
+GError *list(char *** paths, char *** accts, unsigned int *list_l) {
+	GList *items;
+	GError *err = NULL;
+	SecretService *service;
+	SecretSearchFlags flags = SECRET_SEARCH_LOAD_SECRETS | SECRET_SEARCH_ALL | SECRET_SEARCH_UNLOCK;
+	GHashTable *attributes;
+	g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
+	attributes = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
+	service = secret_service_get_sync(SECRET_SERVICE_NONE, NULL, &err);
+	items = secret_service_search_sync(service, NULL, attributes, flags, NULL, &err);
+	int numKeys = g_list_length(items);
+	if (err != NULL) {
+		return err;
+	}
+	*paths = (char **) malloc((int)sizeof(char *)*numKeys);
+	*accts = (char **) malloc((int)sizeof(char *)*numKeys);
+	// items now contains our keys from the gnome keyring
+	// we will now put it in our two lists to return it to go
+	GList *current;
+	int listNumber = 0;
+	for(current = items; current!=NULL; current = current->next) {
+		char *pathTmp = secret_item_get_label(current->data);
+		// you cannot have a key without a label in the gnome keyring
+		char *acctTmp = get_username(current->data);
+		if (acctTmp==NULL) {
+			acctTmp = "account not defined";
+		}
+		char *path = (char *) malloc(strlen(pathTmp));
+		char *acct = (char *) malloc(strlen(acctTmp));
+		path = pathTmp;
+		acct = acctTmp;
+		(*paths)[listNumber] = (char *) malloc(sizeof(char)*(strlen(path)));
+		memcpy((*paths)[listNumber], path, sizeof(char)*(strlen(path)));
+		(*accts)[listNumber] = (char *) malloc(sizeof(char)*(strlen(acct)));
+		memcpy((*accts)[listNumber], acct, sizeof(char)*(strlen(acct)));
+		listNumber = listNumber + 1;
+	}
+	*list_l = numKeys;
+	return NULL;
+}

secretservice/secretservice_linux.go

@@ -78,3 +78,26 @@ func (h Secretservice) Get(serverURL string) (string, string, error) {
 	}
 	return user, pass, nil
 }
+
+func (h Secretservice) List() ([]string, []string, error) {
+	var pathsC **C.char
+	defer C.free(unsafe.Pointer(pathsC))
+	var acctsC **C.char
+	defer C.free(unsafe.Pointer(acctsC))
+	var listLenC C.uint
+	err := C.list(&pathsC, &acctsC, &listLenC)
+	if err != nil {
+		defer C.free(unsafe.Pointer(err))
+		return nil, nil, errors.New("Error from list function in secretservice_linux.c likely due to error in secretservice library")
+	}
+	listLen := int(listLenC)
+	pathTmp := (*[1 << 30]*C.char)(unsafe.Pointer(pathsC))[:listLen:listLen]
+	acctTmp := (*[1 << 30]*C.char)(unsafe.Pointer(acctsC))[:listLen:listLen]
+	paths := make([]string, listLen)
+	accts := make([]string, listLen)
+	for i := 0; i < listLen; i++ {
+		paths[i] = C.GoString(pathTmp[i])
+		accts[i] = C.GoString(acctTmp[i])
+	}
+	return paths, accts, nil
+}

secretservice/secretservice_linux.h

@@ -9,3 +9,4 @@ const SecretSchema *docker_get_schema(void) G_GNUC_CONST;
 GError *add(char *server, char *username, char *secret);
 GError *delete(char *server);
 GError *get(char *server, char **username, char **secret);
+GError *list(char *** paths, char *** accts, unsigned int *list_l);

secretservice/secretservice_linux_test.go

@@ -36,6 +36,9 @@ func TestSecretServiceHelper(t *testing.T) {
 	if err := helper.Delete(creds.ServerURL); err != nil {
 		t.Fatal(err)
 	}
+	if _, _, err := helper.List(); err != nil {
+		t.Fatal(err)
+	}
 }
 
 func TestMissingCredentials(t *testing.T) {