parent
1baf6c91c2
commit
1d1bd720de
@ -0,0 +1,73 @@
|
|||||||
|
From a8b94642dbe6d52aa7a7805fbb60b64c4cfd7245 Mon Sep 17 00:00:00 2001
|
||||||
|
From: Zoltan Fridrich <zfridric@redhat.com>
|
||||||
|
Date: Thu, 3 Oct 2024 11:34:14 +0200
|
||||||
|
Subject: [PATCH] trust: don't create file names longer then 255
|
||||||
|
|
||||||
|
Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
|
||||||
|
---
|
||||||
|
trust/save.c | 19 ++++++++++++++++---
|
||||||
|
1 file changed, 16 insertions(+), 3 deletions(-)
|
||||||
|
|
||||||
|
diff --git a/trust/save.c b/trust/save.c
|
||||||
|
index 057a9c5e3..acabcbf6d 100644
|
||||||
|
--- a/trust/save.c
|
||||||
|
+++ b/trust/save.c
|
||||||
|
@@ -61,6 +61,8 @@
|
||||||
|
#define O_DIRECTORY 0
|
||||||
|
#endif
|
||||||
|
|
||||||
|
+#define MAX_FILE_NAME 255
|
||||||
|
+
|
||||||
|
struct _p11_save_file {
|
||||||
|
char *bare;
|
||||||
|
char *extension;
|
||||||
|
@@ -414,12 +416,23 @@ make_unique_name (const char *bare,
|
||||||
|
p11_buffer buf;
|
||||||
|
int ret;
|
||||||
|
int i;
|
||||||
|
+ int bare_len, ext_len, diff;
|
||||||
|
|
||||||
|
assert (bare != NULL);
|
||||||
|
assert (check != NULL);
|
||||||
|
|
||||||
|
p11_buffer_init_null (&buf, 0);
|
||||||
|
|
||||||
|
+ /*
|
||||||
|
+ * Make sure the name will not be longer then MAX_FILE_NAME
|
||||||
|
+ */
|
||||||
|
+ bare_len = strlen (bare);
|
||||||
|
+ ext_len = extension ? strlen (extension) : 0;
|
||||||
|
+ diff = bare_len + ext_len + sizeof (unique) - MAX_FILE_NAME;
|
||||||
|
+ if (diff > 0)
|
||||||
|
+ bare_len -= diff;
|
||||||
|
+ return_val_if_fail (bare_len > 0, NULL);
|
||||||
|
+
|
||||||
|
for (i = 0; true; i++) {
|
||||||
|
|
||||||
|
p11_buffer_reset (&buf, 64);
|
||||||
|
@@ -431,7 +444,7 @@ make_unique_name (const char *bare,
|
||||||
|
* provided by the caller.
|
||||||
|
*/
|
||||||
|
case 0:
|
||||||
|
- p11_buffer_add (&buf, bare, -1);
|
||||||
|
+ p11_buffer_add (&buf, bare, bare_len);
|
||||||
|
break;
|
||||||
|
|
||||||
|
/*
|
||||||
|
@@ -448,14 +461,14 @@ make_unique_name (const char *bare,
|
||||||
|
/* fall through */
|
||||||
|
|
||||||
|
default:
|
||||||
|
- p11_buffer_add (&buf, bare, -1);
|
||||||
|
+ p11_buffer_add (&buf, bare, bare_len);
|
||||||
|
snprintf (unique, sizeof (unique), ".%d", i);
|
||||||
|
p11_buffer_add (&buf, unique, -1);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (extension)
|
||||||
|
- p11_buffer_add (&buf, extension, -1);
|
||||||
|
+ p11_buffer_add (&buf, extension, ext_len);
|
||||||
|
|
||||||
|
return_val_if_fail (p11_buffer_ok (&buf), NULL);
|
||||||
|
|
Loading…
Reference in new issue