cooker/calls: Actually add io.{c,h}

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

2 files changed, 135 insertions, 0 deletions

diff --git a/cooker/calls/io.c b/cooker/calls/io.c
new file mode 100644
index 0000000..41dbe71
--- /dev/null
+++ b/cooker/calls/io.c
@@ -0,0 +1,124 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/* seitan - Syscall Expressive Interpreter, Transformer and Notifier
+ *
+ * cooker/calls/io.c - Description of known input/output system calls
+ *
+ * Copyright 2023 Red Hat GmbH
+ * Author: Stefano Brivio <sbrivio@redhat.com>
+ */
+
+/*
+read
+write
+open
+close
+
+pread
+pwrite
+readv
+writev
+preadv
+pwritev
+copy_file_range
+preadv2
+pwritev2
+
+openat2
+*/
+
+#include <asm-generic/unistd.h>
+#include <sys/syscall.h>
+
+#define _GNU_SOURCE
+#include <unistd.h>
+#include <sys/uio.h>
+#include <fcntl.h>
+#include <linux/openat2.h>
+#include <linux/limits.h>
+
+#include "../cooker.h"
+#include "../calls.h"
+
+static struct num open_flags[] = {
+	{ "rdonly",	O_RDONLY },
+	{ "wronly",	O_WRONLY },
+	{ "rdwr",	O_RDWR },
+	{ 0 },
+};
+
+static struct num open_modes[] = {
+	{ "S_ISUID",	S_ISUID },
+	{ "S_ISGID",	S_ISGID },
+	{ "S_IRWXU",	S_IRWXU },
+	{ "S_IRUSR",	S_IRUSR },
+	{ "S_IWUSR",	S_IWUSR },
+	{ "S_IXUSR",	S_IXUSR },
+	{ "S_IRWXG",	S_IRWXG },
+	{ "S_IRGRP",	S_IRGRP },
+	{ "S_IWGRP",	S_IWGRP },
+	{ "S_IXGRP",	S_IXGRP },
+	{ "S_IRWXO",	S_IRWXO },
+	{ "S_IROTH",	S_IROTH },
+	{ "S_IWOTH",	S_IWOTH },
+	{ "S_IXOTH",	S_IXOTH },
+	{ "S_ISVTX",	S_ISVTX },
+	{ 0 },
+};
+
+static struct arg read_args[] = {
+	{ 0,
+		{
+			"fd",		INT,		0,	0,	0,
+			{ 0 }
+		}
+	},
+	{ 0,
+		{
+			"path",		FDPATH,		0,	0,	0,
+			{ 0 }
+		}
+	},
+	{ 1,
+		{
+			"buf",		STRING,		RBUF,	0,	BUFSIZ,
+			{ 0 }
+		}
+	},
+	{ 2,
+		{
+			"count",	LONG,		SIZE,	-1,	0,
+			{ .d_size = (intptr_t)&read_args[1] }
+		}
+	},
+	{ 0 },
+};
+
+static struct arg open_args[] = {
+	{ 0,
+		{
+			"path",		STRING,			0,
+			0,	PATH_MAX,
+			{ 0 }
+		}
+	},
+	{ 1,
+		{
+			"flags",	INT,	MASK | FLAGS,	0,	0,
+			{ .d_num = open_flags }
+		}
+	},
+	{ 2,
+		{
+			"mode",		INT,	MASK | FLAGS,	0,	0,
+			{ .d_num = open_modes }
+		}
+	},
+	{ 0 },
+};
+
+struct call syscalls_io[] = {
+	{ __NR_read, "read", read_args },
+	{ __NR_open, "open", open_args },
+	{ 0 },
+};
diff --git a/cooker/calls/io.h b/cooker/calls/io.h
new file mode 100644
index 0000000..aa08dbd
--- /dev/null
+++ b/cooker/calls/io.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later
+ * Copyright 2023 Red Hat GmbH
+ * Author: Stefano Brivio <sbrivio@redhat.com>
+ */
+
+#ifndef CALLS_IO_H
+#define CALLS_IO_H
+
+extern struct call syscalls_io[];
+
+#endif /* CALLS_IO_H */