treewide: Change to GPLv2, add LICENSES, missing headers

As discussed with Alice -- 'reuse lint' passes now.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

27 files changed, 183 insertions, 182 deletions

diff --git a/cooker/Makefile b/cooker/Makefile
index 823e6db..64342dc 100644
--- a/cooker/Makefile
+++ b/cooker/Makefile
@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
+# SPDX-License-Identifier: GPL-2.0-or-later
 #
 # seitan - Syscall Expressive Interpreter, Transformer and Notifier
 #
diff --git a/cooker/call.c b/cooker/call.c
index 05e0e55..6182a5b 100644
--- a/cooker/call.c
+++ b/cooker/call.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/call.h b/cooker/call.h
index 3c0eb09..435288f 100644
--- a/cooker/call.h
+++ b/cooker/call.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/calls.c b/cooker/calls.c
index 783c3f6..337ea21 100644
--- a/cooker/calls.c
+++ b/cooker/calls.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/calls.h b/cooker/calls.h
index 5d46e14..8385527 100644
--- a/cooker/calls.h
+++ b/cooker/calls.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/calls/fs.c b/cooker/calls/fs.c
index 924907d..013dacf 100644
--- a/cooker/calls/fs.c
+++ b/cooker/calls/fs.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/calls/fs.h b/cooker/calls/fs.h
index 2e3c06b..ad2f218 100644
--- a/cooker/calls/fs.h
+++ b/cooker/calls/fs.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/calls/ioctl.c b/cooker/calls/ioctl.c
index a60b834..c9f01d0 100644
--- a/cooker/calls/ioctl.c
+++ b/cooker/calls/ioctl.c
@@ -1,155 +1,155 @@
-// SPDX-License-Identifier: GPL-3.0-or-later

-

-/* seitan - Syscall Expressive Interpreter, Transformer and Notifier

- *

- * cooker/calls/ioctl.c - Description of known ioctl(2) requests

- *

- * Copyright 2023 Red Hat GmbH

- * Authors: Alice Frosi <afrosi@redhat.com>

- *	    Stefano Brivio <sbrivio@redhat.com>

- */

-

-/*

-fd = ioctl_ns(fd, request)

-n  = ioctl_tty(fd, cmd, argp)

-e  = ioctl_iflags(fd, cmd, attr)

-*/

-

-#include <asm-generic/unistd.h>

-#include <sys/syscall.h>

-

-#include <sys/ioctl.h>

-#include <termios.h>

-#include <linux/fs.h>

-#include <linux/nsfs.h>

-

-#include <net/if.h>

-#include <linux/if.h>

-#include <linux/if_tun.h>

-

-#include "../cooker.h"

-#include "../calls.h"

-

-static struct num request[] = {

-	{ "FS_IOC_GETFLAGS", FS_IOC_GETFLAGS },		/* ioctl_iflags */

-	{ "FS_IOC_SETFLAGS", FS_IOC_SETFLAGS },

-

-	{ "NS_GET_USERNS", NS_GET_USERNS },		/* ioctl_ns*/

-	{ "NS_GET_PARENT", NS_GET_PARENT },

-

-	{ "TCGETS", TCGETS },				/* ioctl_tty */

-	{ "TCSETS", TCSETS },

-	{ "TCSETSW", TCSETSW },

-	{ "TCSETSF", TCSETSF },

-

-	{ "TUNSETIFF", TUNSETIFF },			/* no man page? */

-

-	{ 0 },

-};

-

-static struct num attr[] = {

-	{ "FS_APPEND_FL", FS_APPEND_FL },

-	{ "FS_COMPR_FL", FS_COMPR_FL },

-	{ "FS_DIRSYNC_FL", FS_DIRSYNC_FL },

-	{ "FS_IMMUTABLE_FL", FS_IMMUTABLE_FL },

-	{ "FS_JOURNAL_DATA_FL", FS_JOURNAL_DATA_FL },

-	{ "FS_NOATIME_FL", FS_NOATIME_FL },

-	{ "FS_NOCOW_FL", FS_NOCOW_FL },

-	{ "FS_NODUMP_FL", FS_NODUMP_FL },

-	{ "FS_NOTAIL_FL", FS_NOTAIL_FL },

-	{ "FS_PROJINHERIT_FL", FS_PROJINHERIT_FL },

-	{ "FS_SECRM_FL", FS_SECRM_FL },

-	{ "FS_SYNC_FL", FS_SYNC_FL },

-	{ "FS_TOPDIR_FL", FS_TOPDIR_FL },

-	{ "FS_UNRM_FL", FS_UNRM_FL },

-};

-

-static struct num tun_ifr_flags[] = {

-	{ "IFF_TUN",	IFF_TUN },

-	{ 0 },

-};

-

-static struct field tun_ifr[] = {	/* netdevice(7) */

-	{

-		"name",		STRING,	0,

-		offsetof(struct ifreq, ifr_name),

-		IFNAMSIZ,	{ 0 },

-	},

-	{

-		"flags",	INT,	/* One allowed at a time? */ 0,

-		offsetof(struct ifreq, ifr_flags),

-		0,		{ .d_num = tun_ifr_flags },

-	},

-};

-

-static struct select_num ioctl_request_arg[] = {

-	{ FS_IOC_GETFLAGS,

-		{ 2,

-			{

-				"argp",	INT,	FLAGS,

-				sizeof(int),		0,

-				{ .d_num = attr }

-			}

-		}

-	},

-	{ FS_IOC_SETFLAGS,

-		{ 2,

-			{

-				"argp",	INT,	FLAGS,

-				sizeof(int),		0,

-				{ .d_num = attr }

-			}

-		}

-	},

-	{ TUNSETIFF,

-		{ 2,

-			{

-				"ifr",	STRUCT,	0,

-				sizeof(struct ifreq),	0,

-				{ .d_struct = tun_ifr }

-			}

-		}

-	},

-	{ 0 },

-};

-

-static struct field ioctl_request = {

-	"request", INT, 0, 0, 0, { .d_num = request },

-};

-

-static struct select ioctl_request_select = {

-	&ioctl_request, { .d_num = ioctl_request_arg }

-};

-

-static struct arg ioctl_args[] = {

-	{ 0,

-		{

-			"path",		FDPATH,		0,	0,	0,

-			{ 0 }

-		}

-	},

-	{ 0,

-		{

-			"fd",		INT,		0,	0,	0,

-			{ 0 }

-		}

-	},

-	{ 1,

-		{

-			"request",	SELECT,		0,	0,	0,

-			{ .d_select = &ioctl_request_select }

-		}

-	},

-	{ 2,

-		{

-			"arg",		SELECTED,	0,	-1,	0,

-			{ 0 }

-		}

-	},

-	{ 0 },

-};

-

-struct call syscalls_ioctl[] = {

-	{ __NR_ioctl, "ioctl", ioctl_args },

-	{ 0 },

-};

+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/* seitan - Syscall Expressive Interpreter, Transformer and Notifier
+ *
+ * cooker/calls/ioctl.c - Description of known ioctl(2) requests
+ *
+ * Copyright 2023 Red Hat GmbH
+ * Authors: Alice Frosi <afrosi@redhat.com>
+ *	    Stefano Brivio <sbrivio@redhat.com>
+ */
+
+/*
+fd = ioctl_ns(fd, request)
+n  = ioctl_tty(fd, cmd, argp)
+e  = ioctl_iflags(fd, cmd, attr)
+*/
+
+#include <asm-generic/unistd.h>
+#include <sys/syscall.h>
+
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <linux/fs.h>
+#include <linux/nsfs.h>
+
+#include <net/if.h>
+#include <linux/if.h>
+#include <linux/if_tun.h>
+
+#include "../cooker.h"
+#include "../calls.h"
+
+static struct num request[] = {
+	{ "FS_IOC_GETFLAGS", FS_IOC_GETFLAGS },		/* ioctl_iflags */
+	{ "FS_IOC_SETFLAGS", FS_IOC_SETFLAGS },
+
+	{ "NS_GET_USERNS", NS_GET_USERNS },		/* ioctl_ns*/
+	{ "NS_GET_PARENT", NS_GET_PARENT },
+
+	{ "TCGETS", TCGETS },				/* ioctl_tty */
+	{ "TCSETS", TCSETS },
+	{ "TCSETSW", TCSETSW },
+	{ "TCSETSF", TCSETSF },
+
+	{ "TUNSETIFF", TUNSETIFF },			/* no man page? */
+
+	{ 0 },
+};
+
+static struct num attr[] = {
+	{ "FS_APPEND_FL", FS_APPEND_FL },
+	{ "FS_COMPR_FL", FS_COMPR_FL },
+	{ "FS_DIRSYNC_FL", FS_DIRSYNC_FL },
+	{ "FS_IMMUTABLE_FL", FS_IMMUTABLE_FL },
+	{ "FS_JOURNAL_DATA_FL", FS_JOURNAL_DATA_FL },
+	{ "FS_NOATIME_FL", FS_NOATIME_FL },
+	{ "FS_NOCOW_FL", FS_NOCOW_FL },
+	{ "FS_NODUMP_FL", FS_NODUMP_FL },
+	{ "FS_NOTAIL_FL", FS_NOTAIL_FL },
+	{ "FS_PROJINHERIT_FL", FS_PROJINHERIT_FL },
+	{ "FS_SECRM_FL", FS_SECRM_FL },
+	{ "FS_SYNC_FL", FS_SYNC_FL },
+	{ "FS_TOPDIR_FL", FS_TOPDIR_FL },
+	{ "FS_UNRM_FL", FS_UNRM_FL },
+};
+
+static struct num tun_ifr_flags[] = {
+	{ "IFF_TUN",	IFF_TUN },
+	{ 0 },
+};
+
+static struct field tun_ifr[] = {	/* netdevice(7) */
+	{
+		"name",		STRING,	0,
+		offsetof(struct ifreq, ifr_name),
+		IFNAMSIZ,	{ 0 },
+	},
+	{
+		"flags",	INT,	/* One allowed at a time? */ 0,
+		offsetof(struct ifreq, ifr_flags),
+		0,		{ .d_num = tun_ifr_flags },
+	},
+};
+
+static struct select_num ioctl_request_arg[] = {
+	{ FS_IOC_GETFLAGS,
+		{ 2,
+			{
+				"argp",	INT,	FLAGS,
+				sizeof(int),		0,
+				{ .d_num = attr }
+			}
+		}
+	},
+	{ FS_IOC_SETFLAGS,
+		{ 2,
+			{
+				"argp",	INT,	FLAGS,
+				sizeof(int),		0,
+				{ .d_num = attr }
+			}
+		}
+	},
+	{ TUNSETIFF,
+		{ 2,
+			{
+				"ifr",	STRUCT,	0,
+				sizeof(struct ifreq),	0,
+				{ .d_struct = tun_ifr }
+			}
+		}
+	},
+	{ 0 },
+};
+
+static struct field ioctl_request = {
+	"request", INT, 0, 0, 0, { .d_num = request },
+};
+
+static struct select ioctl_request_select = {
+	&ioctl_request, { .d_num = ioctl_request_arg }
+};
+
+static struct arg ioctl_args[] = {
+	{ 0,
+		{
+			"path",		FDPATH,		0,	0,	0,
+			{ 0 }
+		}
+	},
+	{ 0,
+		{
+			"fd",		INT,		0,	0,	0,
+			{ 0 }
+		}
+	},
+	{ 1,
+		{
+			"request",	SELECT,		0,	0,	0,
+			{ .d_select = &ioctl_request_select }
+		}
+	},
+	{ 2,
+		{
+			"arg",		SELECTED,	0,	-1,	0,
+			{ 0 }
+		}
+	},
+	{ 0 },
+};
+
+struct call syscalls_ioctl[] = {
+	{ __NR_ioctl, "ioctl", ioctl_args },
+	{ 0 },
+};
diff --git a/cooker/calls/ioctl.h b/cooker/calls/ioctl.h
index a06a9bc..7072111 100644
--- a/cooker/calls/ioctl.h
+++ b/cooker/calls/ioctl.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/calls/net.c b/cooker/calls/net.c
index 52ebc1e..746a08e 100644
--- a/cooker/calls/net.c
+++ b/cooker/calls/net.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
@@ -228,7 +228,7 @@ static struct arg connect_args[] = {
 		{
 			"addr",		SELECT,		0,
 			0,
-			sizeof(struct sockaddr_storage),
+			sizeof(struct sockaddr_un),
 			{ .d_select = &connect_addr_select },
 		},
 	},
diff --git a/cooker/calls/net.h b/cooker/calls/net.h
index 105bf4a..7eb852d 100644
--- a/cooker/calls/net.h
+++ b/cooker/calls/net.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/calls/process.c b/cooker/calls/process.c
index b133629..b7a92f0 100644
--- a/cooker/calls/process.c
+++ b/cooker/calls/process.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/calls/process.h b/cooker/calls/process.h
index 5e214ef..c7d81bb 100644
--- a/cooker/calls/process.h
+++ b/cooker/calls/process.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/cooker.h b/cooker/cooker.h
index 1b9d9dd..c59a5dc 100644
--- a/cooker/cooker.h
+++ b/cooker/cooker.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/emit.c b/cooker/emit.c
index b518ff9..e2b5461 100644
--- a/cooker/emit.c
+++ b/cooker/emit.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/emit.h b/cooker/emit.h
index 70997fc..31c3378 100644
--- a/cooker/emit.h
+++ b/cooker/emit.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/example.hjson b/cooker/example.hjson
index f445418..b161449 100644
--- a/cooker/example.hjson
+++ b/cooker/example.hjson
@@ -7,7 +7,8 @@
       { "socket": { "family": "unix", "type": "stream", "flags": 0, "protocol": 0 }, "ret": "new_fd" },
       { "connect": { "fd": { "tag": { "get": "new_fd" } }, "addr": { "family": "unix", "path": "/var/run/pr-helper.sock" } }, "ret": "y" }
     ],
-    "fd": { "src": { "tag": "new_fd" }, "new": { "tag": "orig_fd" }, "return": true, "close_on_exec": false }
+    "fd": { "src": { "tag": "new_fd" }, "new": { "tag": "orig_fd" }, "close_on_exec": false },
+    "return": { "tag": "y" }
   },
   {
     "match": [ /* qemu creates a tap interface */
diff --git a/cooker/example.hjson.license b/cooker/example.hjson.license
index 2e3bd69..d2abc50 100644
--- a/cooker/example.hjson.license
+++ b/cooker/example.hjson.license
@@ -1,2 +1,2 @@
 SPDX-FileCopyrightText: 2023 Red Hat GmbH <sbrivio@redhat.com>
-SPDX-License-Identifier: GPL-3.0-or-later
+SPDX-License-Identifier: GPL-2.0-or-later
diff --git a/cooker/filter.c b/cooker/filter.c
index 77961d0..8754da0 100644
--- a/cooker/filter.c
+++ b/cooker/filter.c
@@ -1,5 +1,5 @@
 
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Alice Frosi <afrosi@redhat.com>
  */
diff --git a/cooker/filter.h b/cooker/filter.h
index 7f6ddfd..fca9da7 100644
--- a/cooker/filter.h
+++ b/cooker/filter.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Alice Frosi <afrosi@redhat.com>
  */
diff --git a/cooker/gluten.c b/cooker/gluten.c
index cc317d3..a488dfd 100644
--- a/cooker/gluten.c
+++ b/cooker/gluten.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/gluten.h b/cooker/gluten.h
index 0fcea26..17d762b 100644
--- a/cooker/gluten.h
+++ b/cooker/gluten.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/main.c b/cooker/main.c
index db62fcb..a1e5f7f 100644
--- a/cooker/main.c
+++ b/cooker/main.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/match.c b/cooker/match.c
index 7a4ca97..593cd55 100644
--- a/cooker/match.c
+++ b/cooker/match.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/match.h b/cooker/match.h
index 95c7b4d..6b05a86 100644
--- a/cooker/match.h
+++ b/cooker/match.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */
diff --git a/cooker/parse.c b/cooker/parse.c
index 1cc6296..5a474f8 100644
--- a/cooker/parse.c
+++ b/cooker/parse.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
+// SPDX-License-Identifier: GPL-2.0-or-later
 
 /* seitan - Syscall Expressive Interpreter, Transformer and Notifier
  *
diff --git a/cooker/parse.h b/cooker/parse.h
index 361fc55..ece2848 100644
--- a/cooker/parse.h
+++ b/cooker/parse.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later
+/* SPDX-License-Identifier: GPL-2.0-or-later
  * Copyright 2023 Red Hat GmbH
  * Author: Stefano Brivio <sbrivio@redhat.com>
  */