commit: 7ea8455aaa574504026dc6d1dcea50fc29a9f6d3
parent 798faf0af328622e6979a856a7ac8c2a46b2984d
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date: Sun, 10 Sep 2023 15:48:08 +0200
su: Restrict [-p] to super-user
Diffstat:
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/su.c b/su.c
@@ -55,13 +55,19 @@ main(int argc, char *argv[])
case 's': // shell
if(getuid() != 0)
{
- fprintf(stderr, "su: Only the super-user can override the target shell");
+ fprintf(stderr, "su: Only the super-user can override the target shell\n");
return 1;
}
shell = optarg;
break;
case 'p': // preserve environment
+ if(getuid() != 0)
+ {
+ fprintf(stderr, "su: Only the super-user can preserve the environment\n");
+ return 1;
+ }
+
opt_p = true;
break;
case ':':