shell: throw warning if temporary script's permissions cannot be modified

1 files changed, 3 insertions, 1 deletions

diff --git a/src/lib/core/system.c b/src/lib/core/system.c
index 4f1ece6..542f9fd 100644
--- a/src/lib/core/system.c
+++ b/src/lib/core/system.c
@@ -37,7 +37,9 @@ int shell(struct Process *proc, char *args) {
     // Set the script's permissions so that only the calling user can use it
     // This should help prevent eavesdropping if keys are applied in plain-text
     // somewhere.
-    chmod(t_name, 0700);
+    if (chmod(t_name, 0700)) {
+        SYSWARN("unable to change script permissions: %s, %s", t_name, strerror(errno));
+    }
 
     pid_t pid = fork();
     if (pid == -1) {