61 lines
2.0 KiB
Diff
61 lines
2.0 KiB
Diff
From 606724bd528b92347dce580d3ab48fc1e3c2f4d7 Mon Sep 17 00:00:00 2001
|
|
From: Stephan Bosch <stephan.bosch@open-xchange.com>
|
|
Date: Tue, 24 Mar 2020 20:57:03 +0100
|
|
Subject: [PATCH] lib-smtp: smtp-syntax - Do not allow NULL return parameters
|
|
for smtp_string_parse().
|
|
|
|
---
|
|
src/lib-smtp/smtp-server-cmd-noop.c | 8 ++++++--
|
|
src/lib-smtp/smtp-syntax.c | 9 +++++----
|
|
2 files changed, 11 insertions(+), 6 deletions(-)
|
|
|
|
diff --git a/src/lib-smtp/smtp-server-cmd-noop.c b/src/lib-smtp/smtp-server-cmd-noop.c
|
|
index 4986f800c8..550d709eab 100644
|
|
--- a/src/lib-smtp/smtp-server-cmd-noop.c
|
|
+++ b/src/lib-smtp/smtp-server-cmd-noop.c
|
|
@@ -13,11 +13,15 @@ void smtp_server_cmd_noop(struct smtp_server_cmd_ctx *cmd,
|
|
struct smtp_server_connection *conn = cmd->conn;
|
|
struct smtp_server_command *command = cmd->cmd;
|
|
const struct smtp_server_callbacks *callbacks = conn->callbacks;
|
|
+ const char *param, *error;
|
|
int ret;
|
|
|
|
/* "NOOP" [ SP String ] CRLF */
|
|
- if (*params != '\0' && smtp_string_parse(params, NULL, NULL) < 0) {
|
|
- smtp_server_reply(cmd, 501, "5.5.4", "Invalid parameters");
|
|
+ ret = smtp_string_parse(params, ¶m, &error);
|
|
+ if (ret < 0) {
|
|
+ smtp_server_reply(cmd, 501, "5.5.4",
|
|
+ "Invalid string parameter: %s",
|
|
+ error);
|
|
return;
|
|
}
|
|
|
|
diff --git a/src/lib-smtp/smtp-syntax.c b/src/lib-smtp/smtp-syntax.c
|
|
index 5d22445f72..6826682af1 100644
|
|
--- a/src/lib-smtp/smtp-syntax.c
|
|
+++ b/src/lib-smtp/smtp-syntax.c
|
|
@@ -17,7 +17,9 @@ int smtp_string_parse(const char *string,
|
|
const char **value_r, const char **error_r)
|
|
{
|
|
struct smtp_parser parser;
|
|
- int ret;
|
|
+
|
|
+ *value_r = NULL;
|
|
+ *error_r = NULL;
|
|
|
|
if (string == NULL || *string == '\0') {
|
|
*value_r = "";
|
|
@@ -26,9 +28,8 @@ int smtp_string_parse(const char *string,
|
|
|
|
smtp_parser_init(&parser, pool_datastack_create(), string);
|
|
|
|
- if ((ret=smtp_parser_parse_string(&parser, value_r)) < 0) {
|
|
- if (error_r != NULL)
|
|
- *error_r = parser.error;
|
|
+ if (smtp_parser_parse_string(&parser, value_r) < 0) {
|
|
+ *error_r = parser.error;
|
|
return -1;
|
|
}
|
|
if (parser.cur < parser.end) {
|