From: Armaan Bhojwani <armaa@fragment.armaanb.net>
Date: Thu, 3 Feb 2022 18:36:28 +0000 (-0500)
Subject: Handle empty argv
X-Git-Url: https://git.armaanb.net/?p=opendoas.git;a=commitdiff_plain

Handle empty argv
---

diff --git a/doas.c b/doas.c
index 2cd227d..d348d25 100644
--- a/doas.c
+++ b/doas.c
@@ -273,6 +273,11 @@ main(int argc, char **argv)
 	const char *cwd;
 	char **envp;
 
+	if (argc <= 0 || argv == NULL || argv[0] == NULL) {
+		fprintf(stderr, "doas: executed without argv\n");
+		exit(1);
+	}
+
 	setprogname("doas");
 
 	closefrom(STDERR_FILENO + 1);