Merge remote-tracking branch 'remotes/thibault/tags/samuel-thibault' into staging

Slirp updates

Greg Kurz (1):
  slirp: Fix build with gcc 9

Marc-André Lureau (7):
  slirp: adapt a subset of QEMU vmstate code
  slirp: use libslirp migration code
  slirp: use "slirp_" prefix for inet_aton() win32 implementation
  slirp: move sources to src/ subdirectory
  slirp: add a standalone Makefile
  build-sys: link with slirp as an external project
  slirp: remove QEMU Makefile.objs

Samuel Thibault (2):
  slirp: fix big/little endian conversion in ident protocol
  slirp: Mark pieces missing IPv6 support

Vic Lee (1):
  slirp: check for ioctlsocket error and 0-length udp payload.

William Bowling (1):
  slirp: check sscanf result when emulating ident

# gpg: Signature made Thu 07 Mar 2019 11:51:20 GMT
# gpg:                using RSA key E61DBB15D4172BDEC97E92D9DB550E89F0FA54F3
# gpg: Good signature from "Samuel Thibault <samuel.thibault@aquilenet.fr>" [unknown]
# gpg:                 aka "Samuel Thibault <sthibault@debian.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@gnu.org>" [unknown]
# gpg:                 aka "Samuel Thibault <samuel.thibault@inria.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@labri.fr>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@ens-lyon.org>" [marginal]
# gpg:                 aka "Samuel Thibault <samuel.thibault@u-bordeaux.fr>" [unknown]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 900C B024 B679 31D4 0F82  304B D017 8C76 7D06 9EE6
#      Subkey fingerprint: E61D BB15 D417 2BDE C97E  92D9 DB55 0E89 F0FA 54F3

* remotes/thibault/tags/samuel-thibault:
  slirp: remove QEMU Makefile.objs
  build-sys: link with slirp as an external project
  slirp: add a standalone Makefile
  slirp: move sources to src/ subdirectory
  slirp: use "slirp_" prefix for inet_aton() win32 implementation
  slirp: use libslirp migration code
  slirp: adapt a subset of QEMU vmstate code
  slirp: Mark pieces missing IPv6 support
  slirp: fix big/little endian conversion in ident protocol
  slirp: check sscanf result when emulating ident
  slirp: check for ioctlsocket error and 0-length udp payload.
  slirp: Fix build with gcc 9

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/slirp/src/tcpip.h b/slirp/src/tcpip.h
new file mode 100644
index 0000000000..07dbf2c432
--- /dev/null
+++ b/slirp/src/tcpip.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
+ *
+ *	@(#)tcpip.h	8.1 (Berkeley) 6/10/93
+ * tcpip.h,v 1.3 1994/08/21 05:27:40 paul Exp
+ */
+
+#ifndef TCPIP_H
+#define TCPIP_H
+
+/*
+ * Tcp+ip header, after ip options removed.
+ */
+struct tcpiphdr {
+    struct mbuf_ptr ih_mbuf;	/* backpointer to mbuf */
+    union {
+        struct {
+            struct  in_addr ih_src; /* source internet address */
+            struct  in_addr ih_dst; /* destination internet address */
+            uint8_t ih_x1;          /* (unused) */
+            uint8_t ih_pr;          /* protocol */
+        } ti_i4;
+        struct {
+            struct  in6_addr ih_src;
+            struct  in6_addr ih_dst;
+            uint8_t ih_x1;
+            uint8_t ih_nh;
+        } ti_i6;
+    } ti;
+    uint16_t    ti_x0;
+    uint16_t    ti_len;             /* protocol length */
+    struct      tcphdr ti_t;        /* tcp header */
+};
+#define	ti_mbuf		ih_mbuf.mptr
+#define	ti_pr		ti.ti_i4.ih_pr
+#define	ti_src		ti.ti_i4.ih_src
+#define	ti_dst		ti.ti_i4.ih_dst
+#define	ti_src6		ti.ti_i6.ih_src
+#define	ti_dst6		ti.ti_i6.ih_dst
+#define	ti_nh6		ti.ti_i6.ih_nh
+#define	ti_sport	ti_t.th_sport
+#define	ti_dport	ti_t.th_dport
+#define	ti_seq		ti_t.th_seq
+#define	ti_ack		ti_t.th_ack
+#define	ti_x2		ti_t.th_x2
+#define	ti_off		ti_t.th_off
+#define	ti_flags	ti_t.th_flags
+#define	ti_win		ti_t.th_win
+#define	ti_sum		ti_t.th_sum
+#define	ti_urp		ti_t.th_urp
+
+#define tcpiphdr2qlink(T) ((struct qlink*)(((char*)(T)) - sizeof(struct qlink)))
+#define qlink2tcpiphdr(Q) ((struct tcpiphdr*)(((char*)(Q)) + sizeof(struct qlink)))
+#define tcpiphdr_next(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->next)
+#define tcpiphdr_prev(T) qlink2tcpiphdr(tcpiphdr2qlink(T)->prev)
+#define tcpfrag_list_first(T) qlink2tcpiphdr((T)->seg_next)
+#define tcpfrag_list_end(F, T) (tcpiphdr2qlink(F) == (struct qlink*)(T))
+#define tcpfrag_list_empty(T) ((T)->seg_next == (struct tcpiphdr*)(T))
+
+/* This is the difference between the size of a tcpiphdr structure, and the
+ * size of actual ip+tcp headers, rounded up since we need to align data.  */
+#define TCPIPHDR_DELTA\
+    (MAX(0,\
+         (sizeof(struct tcpiphdr)\
+          - sizeof(struct ip) - sizeof(struct tcphdr) + 3) & ~3))
+
+/*
+ * Just a clean way to get to the first byte
+ * of the packet
+ */
+struct tcpiphdr_2 {
+	struct tcpiphdr dummy;
+	char first_char;
+};
+
+#endif