createrepo_c/SOURCES/0001-Fix-additional-covscan-warnings.patch

79 lines
3.5 KiB
Diff
Raw Normal View History

2021-11-02 17:43:35 +00:00
From 949c391537a588bd7359a00a716359e37afcd4da Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Mat=C4=9Bj?= <amatej@redhat.com>
Date: Mon, 19 Jul 2021 09:56:31 +0200
Subject: [PATCH] Fix additional covscan warnings
- check we actually got a filename in xml parsers and in decompression
function
- use g_malloc0 as we do in other places (it also takes care of checking
if allocation was successful)
---
src/dumper_thread.c | 2 +-
src/misc.c | 6 ++++++
src/xml_parser_filelists.c | 5 +++++
src/xml_parser_primary.c | 5 +++++
4 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/src/dumper_thread.c b/src/dumper_thread.c
index 119f3bd8..ea10c774 100644
--- a/src/dumper_thread.c
+++ b/src/dumper_thread.c
@@ -562,7 +562,7 @@ cr_dumper_thread(gpointer data, gpointer user_data)
// * this isn't the last task
// Then: save the task to the buffer
- struct BufferedTask *buf_task = malloc(sizeof(struct BufferedTask));
+ struct BufferedTask *buf_task = g_malloc0(sizeof(struct BufferedTask));
buf_task->id = task->id;
buf_task->res = res;
buf_task->pkg = pkg;
diff --git a/src/misc.c b/src/misc.c
index adbc4af0..b59f304a 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -622,6 +622,12 @@ cr_decompress_file_with_stat(const char *src,
if (!in_dst || g_str_has_suffix(in_dst, "/")) {
char *filename = cr_get_filename(src);
+ if (!filename) {
+ g_debug("%s: Cannot get filename from: %s", __func__, src);
+ g_set_error(err, ERR_DOMAIN, CRE_NOFILE,
+ "Cannot get filename from: %s", src);
+ return CRE_NOFILE;
+ }
if (g_str_has_suffix(filename, c_suffix)) {
filename = g_strndup(filename, strlen(filename) - strlen(c_suffix));
} else {
diff --git a/src/xml_parser_filelists.c b/src/xml_parser_filelists.c
index f4fe6c09..86ab6c80 100644
--- a/src/xml_parser_filelists.c
+++ b/src/xml_parser_filelists.c
@@ -259,6 +259,11 @@ cr_end_handler(void *pdata, G_GNUC_UNUSED const xmlChar *element)
cr_PackageFile *pkg_file = cr_package_file_new();
pkg_file->name = cr_safe_string_chunk_insert(pd->pkg->chunk,
cr_get_filename(pd->content));
+ if (!pkg_file->name) {
+ g_set_error(&pd->err, ERR_DOMAIN, ERR_CODE_XML,
+ "Invalid <file> element: %s", pd->content);
+ break;
+ }
pd->content[pd->lcontent - strlen(pkg_file->name)] = '\0';
pkg_file->path = cr_safe_string_chunk_insert_const(pd->pkg->chunk,
pd->content);
diff --git a/src/xml_parser_primary.c b/src/xml_parser_primary.c
index 86e20519..e83eb044 100644
--- a/src/xml_parser_primary.c
+++ b/src/xml_parser_primary.c
@@ -633,6 +633,11 @@ cr_end_handler(void *pdata, G_GNUC_UNUSED const xmlChar *element)
cr_PackageFile *pkg_file = cr_package_file_new();
pkg_file->name = cr_safe_string_chunk_insert(pd->pkg->chunk,
cr_get_filename(pd->content));
+ if (!pkg_file->name) {
+ g_set_error(&pd->err, ERR_DOMAIN, ERR_CODE_XML,
+ "Invalid <file> element: %s", pd->content);
+ break;
+ }
pd->content[pd->lcontent - strlen(pkg_file->name)] = '\0';
pkg_file->path = cr_safe_string_chunk_insert_const(pd->pkg->chunk,
pd->content);