savefile and group init fixes

Fixed truncated username
Init user groups before PAM credentials

src/login.c

@@ -12,10 +12,12 @@
 #include <sys/types.h>
 #include <linux/limits.h>
 #include <grp.h>
+#include <pwd.h>
 #include <signal.h>
 #include <X11/Xlib.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <errno.h>
 /* ncurses */
 #include <form.h>
 /* pam */
@@ -204,6 +206,26 @@ const char* de_command, enum deserv_t display_server)
 		return 1;
 	}
 
+	/* Initialise user groups */
+	/* Get pwd structure for the user to get his group id */
+	struct passwd* pw = getpwnam(username);
+
+	if(!pw)
+	{
+		error_print(strerror(errno));
+		pam_end(login_handle, pam_result);
+		return 1;
+	}
+
+	int grp_result = initgroups(username, pw->pw_gid);
+
+	if(grp_result == -1)
+	{
+		error_print(strerror(errno));
+		pam_end(login_handle, pam_result);
+		return 1;
+	}
+
 	/* pam_setcred and error handling */
 	pam_result = pam_setcred(login_handle, PAM_ESTABLISH_CRED);
 

src/ncui.c

@@ -53,7 +53,7 @@ void init_form(struct ncform* form, char** list, int max_de, int* de_id)
 	{
 		if(fgets(line, sizeof(line), file))
 		{
-			snprintf(user, sizeof(file), "%s", line);
+			strcpy(user, line);
 		}
 
 		if(fgets(line, sizeof(line), file))