From 832af457155320174f759c290d6784a10e7d4299 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@FreeBSD.org>
Date: Wed, 3 May 2017 12:18:09 +0000
Subject: [PATCH] Add support for [gs]etsockopt().

---
 usr.bin/truss/syscall.h  |  3 ++-
 usr.bin/truss/syscalls.c | 24 ++++++++++++++++++++++++
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/usr.bin/truss/syscall.h b/usr.bin/truss/syscall.h
index e4c3beeb292e..48bf2dc5c893 100644
--- a/usr.bin/truss/syscall.h
+++ b/usr.bin/truss/syscall.h
@@ -46,7 +46,8 @@ enum Argtype { None = 1, Hex, Octal, Int, UInt, LongHex, Name, Ptr, Stat, Ioctl,
 	LinuxSockArgs, Umtxop, Atfd, Atflags, Timespec2, Accessmode, Long,
 	Sysarch, ExecArgs, ExecEnv, PipeFds, QuadHex, Utrace, IntArray, Pipe2,
 	CapFcntlRights, Fadvice, FileFlags, Flockop, Getfsstatmode, Kldsymcmd,
-	Kldunloadflags, Sizet, Madvice, Socklent, Sockprotocol,
+	Kldunloadflags, Sizet, Madvice, Socklent, Sockprotocol, Sockoptlevel,
+	Sockoptname,
 
 	CloudABIAdvice, CloudABIClockID, ClouduABIFDSFlags,
 	CloudABIFDStat, CloudABIFileStat, CloudABIFileType,
diff --git a/usr.bin/truss/syscalls.c b/usr.bin/truss/syscalls.c
index 61554115824f..a93574586e7a 100644
--- a/usr.bin/truss/syscalls.c
+++ b/usr.bin/truss/syscalls.c
@@ -174,6 +174,9 @@ static struct syscall decoded_syscalls[] = {
 	  .args = { { Int, 0 } } },
 	{ .name = "getsockname", .ret_type = 1, .nargs = 3,
 	  .args = { { Int, 0 }, { Sockaddr | OUT, 1 }, { Ptr | OUT, 2 } } },
+	{ .name = "getsockopt", .ret_type = 1, .nargs = 5,
+	  .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 },
+		    { Ptr | OUT, 3 }, { Ptr | OUT, 4 } } },
 	{ .name = "gettimeofday", .ret_type = 1, .nargs = 2,
 	  .args = { { Timeval | OUT, 0 }, { Ptr, 1 } } },
 	{ .name = "ioctl", .ret_type = 1, .nargs = 3,
@@ -295,6 +298,9 @@ static struct syscall decoded_syscalls[] = {
 	  .args = { { Int, 0 }, { Itimerval, 1 }, { Itimerval | OUT, 2 } } },
 	{ .name = "setrlimit", .ret_type = 1, .nargs = 2,
 	  .args = { { Resource, 0 }, { Rlimit | IN, 1 } } },
+	{ .name = "setsockopt", .ret_type = 1, .nargs = 5,
+	  .args = { { Int, 0 }, { Sockoptlevel, 1 }, { Sockoptname, 2 },
+		    { Ptr | IN, 3 }, { Socklent, 4 } } },
 	{ .name = "shutdown", .ret_type = 1, .nargs = 2,
 	  .args = { { Int, 0 }, { Shutdown, 1 } } },
 	{ .name = "sigaction", .ret_type = 1, .nargs = 3,
@@ -1928,6 +1934,24 @@ print_arg(struct syscall_args *sc, unsigned long *args, long *retval,
 		}
 		break;
 	}
+	case Sockoptlevel:
+		print_integer_arg(sysdecode_sockopt_level, fp,
+		    args[sc->offset]);
+		break;
+	case Sockoptname: {
+		const char *temp;
+		int level, name;
+
+		level = args[sc->offset - 1];
+		name = args[sc->offset];
+		temp = sysdecode_sockopt_name(level, name);
+		if (temp) {
+			fputs(temp, fp);
+		} else {
+			fprintf(fp, "%d", name);
+		}
+		break;
+	}
 
 	case CloudABIAdvice:
 		fputs(xlookup(cloudabi_advice, args[sc->offset]), fp);