--- /dev/null
+/*
+ * Copyright (c) 2018 The strace developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "defs.h"
+#include "print_fields.h"
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include <linux/nbd.h>
+
+#define XLAT_MACROS_ONLY
+# include "xlat/nbd_ioctl_cmds.h"
+#undef XLAT_MACROS_ONLY
+
+#include "xlat/nbd_ioctl_flags.h"
+
+int
+nbd_ioctl(struct tcb *const tcp, const unsigned int code,
+ const kernel_ulong_t arg)
+{
+ switch (code) {
+ case NBD_DISCONNECT:
+ case NBD_CLEAR_SOCK:
+ case NBD_DO_IT:
+ case NBD_CLEAR_QUE:
+ case NBD_PRINT_DEBUG:
+ return RVAL_IOCTL_DECODED;
+
+ case NBD_SET_SOCK:
+ tprints(", ");
+ printfd(tcp, arg);
+ return RVAL_IOCTL_DECODED;
+
+ case NBD_SET_BLKSIZE:
+ case NBD_SET_SIZE:
+ case NBD_SET_SIZE_BLOCKS:
+ case NBD_SET_TIMEOUT:
+ tprints(", ");
+ tprintf("%" PRI_klu, arg);
+ return RVAL_IOCTL_DECODED;
+
+ case NBD_SET_FLAGS:
+ tprints(", ");
+ printflags(nbd_ioctl_flags, arg, "NBD_IOC_FLAG_???");
+ return RVAL_IOCTL_DECODED;
+
+ default:
+ return RVAL_DECODED;
+ }
+}
--- /dev/null
+/*
+ * Copyright (c) 2018 The strace developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "tests.h"
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <linux/types.h>
+#include <linux/nbd.h>
+
+#define XLAT_MACROS_ONLY
+# include "xlat/nbd_ioctl_cmds.h"
+# include "xlat/nbd_ioctl_flags.h"
+#undef XLAT_MACROS_ONLY
+
+#define RVAL_EBADF " = -1 EBADF (%m)\n"
+
+int
+main(void)
+{
+ static const unsigned long ubeef = (unsigned long) 0xcafef00ddeadbeefULL;
+ static const char null_path[] = "/dev/null";
+
+ int fd = open(null_path, O_RDONLY);
+ if (fd < 0)
+ perror_msg_and_fail("open(\"%s\")", null_path);
+
+ skip_if_unavailable("/proc/self/fd/");
+
+ ioctl(-1, NBD_DISCONNECT, NULL);
+ printf("ioctl(-1, NBD_DISCONNECT)" RVAL_EBADF);
+ ioctl(-1, NBD_CLEAR_SOCK, NULL);
+ printf("ioctl(-1, NBD_CLEAR_SOCK)" RVAL_EBADF);
+ ioctl(-1, NBD_DO_IT, NULL);
+ printf("ioctl(-1, NBD_DO_IT)" RVAL_EBADF);
+ ioctl(-1, NBD_CLEAR_QUE, NULL);
+ printf("ioctl(-1, NBD_CLEAR_QUE)" RVAL_EBADF);
+ ioctl(-1, NBD_PRINT_DEBUG, NULL);
+ printf("ioctl(-1, NBD_PRINT_DEBUG)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_SOCK, fd);
+ printf("ioctl(-1, NBD_SET_SOCK, %d</dev/null>)" RVAL_EBADF, fd);
+
+ ioctl(-1, NBD_SET_BLKSIZE, ubeef);
+ printf("ioctl(-1, NBD_SET_BLKSIZE, %lu)" RVAL_EBADF, ubeef);
+ ioctl(-1, NBD_SET_SIZE, ubeef);
+ printf("ioctl(-1, NBD_SET_SIZE, %lu)" RVAL_EBADF, ubeef);
+ ioctl(-1, NBD_SET_SIZE_BLOCKS, ubeef);
+ printf("ioctl(-1, NBD_SET_SIZE_BLOCKS, %lu)" RVAL_EBADF, ubeef);
+
+ ioctl(-1, NBD_SET_TIMEOUT, ubeef);
+ printf("ioctl(-1, NBD_SET_TIMEOUT, %lu)" RVAL_EBADF, ubeef);
+
+ ioctl(-1, NBD_SET_FLAGS, 0);
+ printf("ioctl(-1, NBD_SET_FLAGS, 0)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_READ_ONLY);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_READ_ONLY)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_FLUSH);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_FLUSH)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_FUA);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_FUA)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_TRIM);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_TRIM)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_WRITE_ZEROES);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_WRITE_ZEROES)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_DF);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_DF)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_CAN_MULTI_CONN);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_CAN_MULTI_CONN)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_RESIZE);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_RESIZE)" RVAL_EBADF);
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_CACHE);
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_SEND_CACHE)" RVAL_EBADF);
+
+ ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|
+ NBD_FLAG_SEND_FUA|NBD_FLAG_SEND_CACHE|
+ (1 << 15)|(1<<31));
+ printf("ioctl(-1, NBD_SET_FLAGS, NBD_FLAG_HAS_FLAGS|NBD_FLAG_READ_ONLY|"
+ "NBD_FLAG_SEND_FUA|NBD_FLAG_SEND_CACHE|0x80008000)" RVAL_EBADF);
+
+ ioctl(-1, _IOC(_IOC_NONE, 0xab, 0xb, 0), NULL);
+ printf("ioctl(-1, _IOC(_IOC_NONE, 0xab, 0xb, 0), 0)" RVAL_EBADF);
+
+ puts("+++ exited with 0 +++");
+ return 0;
+}
--- /dev/null
+/*
+ * Some flags are not defined in <linux/nbd.h>, but are passed anyway.
+ * These flags are sent from nbd-server to the client, and the client
+ * passes them to the kernel unmodified after parsing. Both the client
+ * and the kernel ignore flags unknown to them.
+ */
+
+/* The server supports flags */
+NBD_FLAG_HAS_FLAGS (1 << 0)
+/* The export is read-only */
+NBD_FLAG_READ_ONLY (1 << 1)
+/* The server supports NBD_CMD_FLUSH */
+NBD_FLAG_SEND_FLUSH (1 << 2)
+/* The server supports NBD_CMD_FLAG_FUA (Force Unit Access) */
+NBD_FLAG_SEND_FUA (1 << 3)
+/* The export is a rotational medium */
+NBD_FLAG_ROTATIONAL (1 << 4)
+/* The server supports NBD_CMD_TRIM */
+NBD_FLAG_SEND_TRIM (1 << 5)
+/* The server supports NBD_CMD_WRITE_ZEROES and NBD_CMD_FLAG_NO_HOLE */
+NBD_FLAG_SEND_WRITE_ZEROES (1 << 6)
+/* The server supports NBD_CMD_FLAG_DF (don't fragment replies) */
+NBD_FLAG_SEND_DF (1 << 7)
+/* The server supports multiple connections */
+NBD_FLAG_CAN_MULTI_CONN (1 << 8)
+/* The server supports NBD_CMD_RESIZE (resizing the device) */
+NBD_FLAG_SEND_RESIZE (1 << 9)
+/* The server supports NBD_CMD_CACHE */
+NBD_FLAG_SEND_CACHE (1 << 10)
projects / strace / commitdiff