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, 77 insertions, 0 deletions

diff --git a/slirp/src/ip6_input.c b/slirp/src/ip6_input.c
new file mode 100644
index 0000000000..1b8c003c66
--- /dev/null
+++ b/slirp/src/ip6_input.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2013
+ * Guillaume Subiron, Yann Bordenave, Serigne Modou Wagne.
+ */
+
+#include "slirp.h"
+#include "ip6_icmp.h"
+
+/*
+ * IP initialization: fill in IP protocol switch table.
+ * All protocols not implemented in kernel go to raw IP protocol handler.
+ */
+void ip6_init(Slirp *slirp)
+{
+    icmp6_init(slirp);
+}
+
+void ip6_cleanup(Slirp *slirp)
+{
+    icmp6_cleanup(slirp);
+}
+
+void ip6_input(struct mbuf *m)
+{
+    struct ip6 *ip6;
+    Slirp *slirp = m->slirp;
+
+    if (!slirp->in6_enabled) {
+        goto bad;
+    }
+
+    DEBUG_CALL("ip6_input");
+    DEBUG_ARG("m = %p", m);
+    DEBUG_ARG("m_len = %d", m->m_len);
+
+    if (m->m_len < sizeof(struct ip6)) {
+        goto bad;
+    }
+
+    ip6 = mtod(m, struct ip6 *);
+
+    if (ip6->ip_v != IP6VERSION) {
+        goto bad;
+    }
+
+    if (ntohs(ip6->ip_pl) > IF_MTU) {
+        icmp6_send_error(m, ICMP6_TOOBIG, 0);
+        goto bad;
+    }
+
+    /* check ip_ttl for a correct ICMP reply */
+    if (ip6->ip_hl == 0) {
+        icmp6_send_error(m, ICMP6_TIMXCEED, ICMP6_TIMXCEED_INTRANS);
+        goto bad;
+    }
+
+    /*
+     * Switch out to protocol's input routine.
+     */
+    switch (ip6->ip_nh) {
+    case IPPROTO_TCP:
+        NTOHS(ip6->ip_pl);
+        tcp_input(m, sizeof(struct ip6), (struct socket *)NULL, AF_INET6);
+        break;
+    case IPPROTO_UDP:
+        udp6_input(m);
+        break;
+    case IPPROTO_ICMPV6:
+        icmp6_input(m);
+        break;
+    default:
+        m_free(m);
+    }
+    return;
+bad:
+    m_free(m);
+}