From d5be4999f6265ec82da0a7fe7b9e8f3f5f4f98c5 Mon Sep 17 00:00:00 2001
From: florian <florian@openbsd.org>
Date: Sat, 24 Aug 2024 09:42:40 +0000
Subject: [PATCH] Helper function for logging imsg type names.

OK tb as part of a larger diff
---
 sbin/slaacd/slaacd.c | 53 +++++++++++++++++++++++++++++++++++++++++++-
 sbin/slaacd/slaacd.h |  4 +++-
 2 files changed, 55 insertions(+), 2 deletions(-)

diff --git a/sbin/slaacd/slaacd.c b/sbin/slaacd/slaacd.c
index 05af06e68de..8d3f183d716 100644
--- a/sbin/slaacd/slaacd.c
+++ b/sbin/slaacd/slaacd.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: slaacd.c,v 1.69 2024/04/21 17:33:05 florian Exp $	*/
+/*	$OpenBSD: slaacd.c,v 1.70 2024/08/24 09:42:40 florian Exp $	*/
 
 /*
  * Copyright (c) 2017 Florian Obser <florian@openbsd.org>
@@ -899,3 +899,54 @@ open_icmp6sock(int rdomain)
 	main_imsg_compose_frontend(IMSG_ICMP6SOCK, icmp6sock, &rdomain,
 	    sizeof(rdomain));
 }
+
+#ifndef	SMALL
+
+#define	I2S(x) case x: return #x
+
+const char*
+i2s(uint32_t type)
+{
+	static char	unknown[sizeof("IMSG_4294967295")];
+
+	switch (type) {
+	I2S(IMSG_NONE);
+	I2S(IMSG_CTL_LOG_VERBOSE);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_RA);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_RA_PREFIX);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_RA_RDNS);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_ADDR_PROPOSALS);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_ADDR_PROPOSAL);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_DFR_PROPOSALS);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_DFR_PROPOSAL);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_RDNS_PROPOSALS);
+	I2S(IMSG_CTL_SHOW_INTERFACE_INFO_RDNS_PROPOSAL);
+	I2S(IMSG_CTL_END);
+	I2S(IMSG_PROPOSE_RDNS);
+	I2S(IMSG_REPROPOSE_RDNS);
+	I2S(IMSG_CTL_SEND_SOLICITATION);
+	I2S(IMSG_SOCKET_IPC);
+	I2S(IMSG_OPEN_ICMP6SOCK);
+	I2S(IMSG_ICMP6SOCK);
+	I2S(IMSG_ROUTESOCK);
+	I2S(IMSG_CONTROLFD);
+	I2S(IMSG_STARTUP);
+	I2S(IMSG_UPDATE_IF);
+	I2S(IMSG_REMOVE_IF);
+	I2S(IMSG_RA);
+	I2S(IMSG_CONFIGURE_ADDRESS);
+	I2S(IMSG_WITHDRAW_ADDRESS);
+	I2S(IMSG_DEL_ADDRESS);
+	I2S(IMSG_DEL_ROUTE);
+	I2S(IMSG_CONFIGURE_DFR);
+	I2S(IMSG_WITHDRAW_DFR);
+	I2S(IMSG_DUP_ADDRESS);
+	default:
+		snprintf(unknown, sizeof(unknown), "IMSG_%u", type);
+		return unknown;
+	}
+}
+#undef	I2S
+
+#endif	/* SMALL */
diff --git a/sbin/slaacd/slaacd.h b/sbin/slaacd/slaacd.h
index 2844f4a63b7..77087c3c56a 100644
--- a/sbin/slaacd/slaacd.h
+++ b/sbin/slaacd/slaacd.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: slaacd.h,v 1.38 2022/07/12 16:55:00 florian Exp $	*/
+/*	$OpenBSD: slaacd.h,v 1.39 2024/08/24 09:42:40 florian Exp $	*/
 
 /*
  * Copyright (c) 2017 Florian Obser <florian@openbsd.org>
@@ -206,6 +206,8 @@ int		imsg_compose_event(struct imsgev *, uint16_t, uint32_t, pid_t,
 		    int, void *, uint16_t);
 #ifndef	SMALL
 const char	*sin6_to_str(struct sockaddr_in6 *);
+const char	*i2s(uint32_t);
 #else
 #define	sin6_to_str(x...)	""
+#define	i2s(x...)		""
 #endif	/* SMALL */
-- 
2.20.1