2021-05-12 22:42:45

by Steve Grubb

[permalink] [raw]
Subject: [Bluez PATCH 2/6] Fix leaks in obex


In filesystem, g_file_get_contents allocates fresh memory. Use it
instead of making a new copy of it. That saves having to free buf
later.

Destination was missed on an error path as is mld.

Signed-off-by: Steve Grubb <[email protected]>
---
obexd/plugins/filesystem.c | 2 +-
obexd/plugins/ftp.c | 8 ++++++--
obexd/plugins/messages-dummy.c | 1 +
3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/obexd/plugins/filesystem.c b/obexd/plugins/filesystem.c
index 09bff8ad0..44e3cf3d2 100644
--- a/obexd/plugins/filesystem.c
+++ b/obexd/plugins/filesystem.c
@@ -415,7 +415,7 @@ static void *capability_open(const char *name, int oflag, mode_t mode,
goto fail;
}

- object->buffer = g_string_new(buf);
+ object->buffer = buf;

if (size)
*size = object->buffer->len;
diff --git a/obexd/plugins/ftp.c b/obexd/plugins/ftp.c
index 259bfcae2..4b04bab06 100644
--- a/obexd/plugins/ftp.c
+++ b/obexd/plugins/ftp.c
@@ -386,8 +386,10 @@ static int ftp_copy(struct ftp_session *ftp, const char *name,
ret = verify_path(destdir);
g_free(destdir);

- if (ret < 0)
+ if (ret < 0) {
+ g_free(destination);
return ret;
+ }

source = g_build_filename(ftp->folder, name, NULL);

@@ -424,8 +426,10 @@ static int ftp_move(struct ftp_session *ftp, const char *name,
ret = verify_path(destdir);
g_free(destdir);

- if (ret < 0)
+ if (ret < 0) {
+ g_free(destination);
return ret;
+ }

source = g_build_filename(ftp->folder, name, NULL);

diff --git a/obexd/plugins/messages-dummy.c b/obexd/plugins/messages-dummy.c
index 34199fa05..e37b52df6 100644
--- a/obexd/plugins/messages-dummy.c
+++ b/obexd/plugins/messages-dummy.c
@@ -488,6 +488,7 @@ int messages_get_messages_listing(void *session, const char *name,
int err = -errno;
DBG("fopen(): %d, %s", -err, strerror(-err));
g_free(path);
+ g_free(mld);
return -EBADR;
}
}
--
2.31.1