From f4fefef930aa03f0ad63a2ef4bad1cde5717b62d Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ungol.org>
Date: Wed, 1 Apr 2020 15:33:09 -0400
Subject: provide space for gecos and password, set missing password to "--"

---
 user.c | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/user.c b/user.c
index 9eaa7e1..831ee4a 100644
--- a/user.c
+++ b/user.c
@@ -25,6 +25,7 @@
 #define _POSIX_C_SOURCE 200809L
 #include <fcntl.h>
 #include <dirent.h>
+#include <limits.h>
 #include <pwd.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -33,13 +34,17 @@
 #include <sys/stat.h>
 #include <unistd.h>
 
+#ifndef LINE_MAX
+#define LINE_MAX _POSIX2_LINE_MAX
+#endif
+
 #define USERS_DIRECTORY "/var/secure/users"
 static DIR *users_dir = NULL;
 
 struct user {
 	struct passwd pw;
-	char *gecos;
-	char *password;
+	char gecos[LINE_MAX];
+	char password[LINE_MAX];
 };
 
 enum selection { UID, NAME, ALL };
@@ -62,10 +67,10 @@ static struct user *user_read(char *name)
 	u.pw.pw_name = name;
 	u.pw.pw_uid = st.st_uid;
 	u.pw.pw_gid = st.st_gid;
-	u.pw.pw_dir = "/";	// TODO: read symlink at userfd, home
-	u.pw.pw_shell = "/bin/sh"; // TOOD: read symlink at userfd, shell
-	u.gecos = name;		// TODO: read file at userfd, gecos
-	u.password = "";	// TODO: read file at userfd, password
+	u.pw.pw_dir = "/";		// TODO: read symlink at userfd, home
+	u.pw.pw_shell = "/bin/sh";	// TOOD: read symlink at userfd, shell
+	strcpy(u.gecos, name); 		// TODO: read file at userfd, gecos
+	strcpy(u.password, "--");	// TODO: read file at userfd, password
 
 	close(user);
 
-- 
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