Ensure we exactly match cfgstring prefix against 'tcm-user'

Signed-off-by: Alex Reid <[email protected]>
open-iscsi · Feb 24, 2023 · 93122af · 93122af
1 parent 09e9f20
commit 93122af
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/libtcmu.c b/libtcmu.c
@@ -439,9 +439,10 @@ static bool device_parse_cfg(struct tcmu_device *dev,
 	/* Check valid cfgstring */
 	oldptr = cfgstring;
 	ptr = strchr(oldptr, '/');
+	len = ptr-oldptr;
 	if (!ptr)
 		goto err_badcfg;
-	if (strncmp(cfgstring, "tcm-user", ptr-oldptr))
+	if (strncmp(cfgstring, "tcm-user", len) || cfgstring[len] != '/')
 		goto err_badcfg;
 
 	/* Get HBA name */