author | Laszlo Peter <laszlo.peter@oracle.com> |
Wed, 07 Sep 2016 14:48:21 -0700 | |
changeset 6746 | 5a7cd15a88f8 |
parent 1987 | 6fa18b7a0af6 |
permissions | -rw-r--r-- |
1987
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
diff
changeset
|
1 |
Add hooks to compile contrib/wrt/dhcp_release.c. This utility is used to |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
diff
changeset
|
2 |
send a DHCPRELEASE message to tell the local DHCP server to delete a |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents:
diff
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|
3 |
particular lease. |
6fa18b7a0af6
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parents:
diff
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4 |
|
6fa18b7a0af6
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parents:
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5 |
Solaris doesn't support AF_NETLINK, so use getifaddrs() to determine the |
6fa18b7a0af6
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parents:
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6 |
IP address of an interface on which Dnsmasq process is listening. |
6fa18b7a0af6
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parents:
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7 |
|
6fa18b7a0af6
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parents:
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8 |
This patch was developed in-house. Since it is Solaris-specific it is not |
6fa18b7a0af6
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parents:
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9 |
suitable for upstream. |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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parents:
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10 |
|
6746
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23210173 Upgrade dnsmasq to 2.75
Laszlo Peter <laszlo.peter@oracle.com>
parents:
1987
diff
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11 |
--- dnsmasq-2.75/Makefile.orig 2016-07-11 17:16:44.577976921 -0400 |
5a7cd15a88f8
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1987
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12 |
+++ dnsmasq-2.75/Makefile 2016-07-11 17:12:36.902671954 -0400 |
1987
6fa18b7a0af6
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parents:
diff
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13 |
@@ -19,6 +19,7 @@ |
6fa18b7a0af6
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parents:
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14 |
# Variables you may well want to override. |
6fa18b7a0af6
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parents:
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15 |
|
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16 |
PREFIX = /usr/local |
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17 |
+LIBDIR = $(PREFIX)/lib/inet |
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18 |
BINDIR = $(PREFIX)/sbin |
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19 |
MANDIR = $(PREFIX)/share/man |
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20 |
LOCALEDIR = $(PREFIX)/share/locale |
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21 |
@@ -43,6 +44,7 @@ |
6fa18b7a0af6
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22 |
SRC = src |
6fa18b7a0af6
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23 |
PO = po |
6fa18b7a0af6
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24 |
MAN = man |
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25 |
+WRT = contrib/wrt |
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26 |
|
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27 |
################################################################# |
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19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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28 |
|
6746
5a7cd15a88f8
23210173 Upgrade dnsmasq to 2.75
Laszlo Peter <laszlo.peter@oracle.com>
parents:
1987
diff
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29 |
@@ -75,6 +77,8 @@ |
5a7cd15a88f8
23210173 Upgrade dnsmasq to 2.75
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parents:
1987
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30 |
dhcp-common.o outpacket.o radv.o slaac.o auth.o ipset.o \ |
5a7cd15a88f8
23210173 Upgrade dnsmasq to 2.75
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31 |
domain.o dnssec.o blockdata.o tables.o loop.o inotify.o poll.o |
1987
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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32 |
|
6fa18b7a0af6
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parents:
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33 |
+dhcp_release_objs = dhcp_release.o |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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parents:
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34 |
+ |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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35 |
hdrs = dnsmasq.h config.h dhcp-protocol.h dhcp6-protocol.h \ |
6746
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23210173 Upgrade dnsmasq to 2.75
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parents:
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36 |
dns-protocol.h radv-protocol.h ip6addr.h |
1987
6fa18b7a0af6
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37 |
|
6746
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1987
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38 |
@@ -83,11 +87,12 @@ |
1987
6fa18b7a0af6
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39 |
top="$(top)" \ |
6746
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parents:
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40 |
build_cflags="$(version) $(dbus_cflags) $(idn_cflags) $(ct_cflags) $(lua_cflags) $(nettle_cflags)" \ |
5a7cd15a88f8
23210173 Upgrade dnsmasq to 2.75
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parents:
1987
diff
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41 |
build_libs="$(dbus_libs) $(idn_libs) $(ct_libs) $(lua_libs) $(sunos_libs) $(nettle_libs) $(gmp_libs)" \ |
1987
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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parents:
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42 |
- -f $(top)/Makefile dnsmasq |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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43 |
+ -f $(top)/Makefile dnsmasq dhcp_release |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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44 |
|
6fa18b7a0af6
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45 |
mostly_clean : |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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46 |
rm -f $(BUILDDIR)/*.mo $(BUILDDIR)/*.pot |
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parents:
1987
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47 |
- rm -f $(BUILDDIR)/.copts_* $(BUILDDIR)/*.o $(BUILDDIR)/dnsmasq.a $(BUILDDIR)/dnsmasq |
5a7cd15a88f8
23210173 Upgrade dnsmasq to 2.75
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48 |
+ rm -f $(BUILDDIR)/.copts_* $(BUILDDIR)/*.o $(BUILDDIR)/dnsmasq.a $(BUILDDIR)/dnsmasq \ |
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23210173 Upgrade dnsmasq to 2.75
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parents:
1987
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49 |
+ $(BUILDDIR)/dhcp_release |
1987
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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50 |
|
6fa18b7a0af6
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51 |
clean : mostly_clean |
6fa18b7a0af6
19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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52 |
rm -f $(BUILDDIR)/dnsmasq_baseline |
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53 |
@@ -97,9 +102,11 @@ |
1987
6fa18b7a0af6
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54 |
install : all install-common |
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55 |
|
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56 |
install-common : |
6fa18b7a0af6
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57 |
- $(INSTALL) -d $(DESTDIR)$(BINDIR) -d $(DESTDIR)$(MANDIR)/man8 |
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58 |
+ $(INSTALL) -d $(DESTDIR)$(BINDIR) -d $(DESTDIR)$(MANDIR)/man8 \ |
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59 |
+ -d $(DESTDIR)/$(LIBDIR) |
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19158668 associating a new floating ip removes existing ipnat rules and re-adds them
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60 |
$(INSTALL) -m 644 $(MAN)/dnsmasq.8 $(DESTDIR)$(MANDIR)/man8 |
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61 |
$(INSTALL) -m 755 $(BUILDDIR)/dnsmasq $(DESTDIR)$(BINDIR) |
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62 |
+ $(INSTALL) -m 755 $(BUILDDIR)/dhcp_release $(DESTDIR)$(LIBDIR) |
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63 |
|
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64 |
all-i18n : $(BUILDDIR) |
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65 |
@cd $(BUILDDIR) && $(MAKE) \ |
6746
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66 |
@@ -107,7 +114,7 @@ |
1987
6fa18b7a0af6
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67 |
i18n=-DLOCALEDIR=\'\"$(LOCALEDIR)\"\' \ |
6746
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68 |
build_cflags="$(version) $(dbus_cflags) $(ct_cflags) $(lua_cflags) $(nettle_cflags) `$(PKG_CONFIG) --cflags libidn`" \ |
5a7cd15a88f8
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69 |
build_libs="$(dbus_libs) $(ct_libs) $(lua_libs) $(sunos_libs) $(nettle_libs) $(gmp_libs) `$(PKG_CONFIG) --libs libidn`" \ |
1987
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70 |
- -f $(top)/Makefile dnsmasq |
6fa18b7a0af6
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71 |
+ -f $(top)/Makefile dnsmasq dhcp_release |
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72 |
for f in `cd $(PO); echo *.po`; do \ |
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73 |
cd $(top) && cd $(BUILDDIR) && $(MAKE) top="$(top)" -f $(top)/Makefile $${f%.po}.mo; \ |
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74 |
done |
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75 |
@@ -150,6 +157,9 @@ |
1987
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76 |
$(objs:.o=.c) $(hdrs): |
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77 |
ln -s $(top)/$(SRC)/$@ . |
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78 |
|
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79 |
+$(dhcp_release_objs:.o=.c): |
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80 |
+ ln -s $(top)/$(WRT)/$@ . |
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81 |
+ |
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82 |
$(objs): $(copts_conf) $(hdrs) |
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83 |
|
1987
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84 |
.c.o: |
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85 |
@@ -158,6 +168,9 @@ |
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86 |
dnsmasq : $(objs) |
1987
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87 |
$(CC) $(LDFLAGS) -o $@ $(objs) $(build_libs) $(LIBS) |
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88 |
|
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89 |
+dhcp_release : $(objs) $(dhcp_release_objs) |
1987
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|
90 |
+ $(CC) $(LDFLAGS) -o $@ $(dhcp_release_objs) $(build_libs) $(LIBS) |
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|
91 |
+ |
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|
92 |
dnsmasq.pot : $(objs:.o=.c) $(hdrs) |
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|
93 |
$(XGETTEXT) -d dnsmasq --foreign-user --omit-header --keyword=_ -o $@ -i $(objs:.o=.c) |
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|
94 |
|
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|
95 |
--- dnsmasq-2.75/contrib/wrt/dhcp_release.c.orig 2016-07-11 17:17:15.545272241 -0400 |
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|
96 |
+++ dnsmasq-2.75/contrib/wrt/dhcp_release.c 2016-07-11 17:16:03.110231008 -0400 |
1987
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|
97 |
@@ -33,6 +33,10 @@ |
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|
98 |
The client-id is optional. If it is "*" then it treated as being missing. |
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|
99 |
*/ |
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|
100 |
|
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|
101 |
+#if defined(__sun) || defined(__sun__) |
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|
102 |
+#define HAVE_SOLARIS_NETWORK |
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|
103 |
+#endif |
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|
104 |
+ |
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|
105 |
#include <sys/types.h> |
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|
106 |
#include <netinet/in.h> |
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|
107 |
#include <net/if.h> |
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|
108 |
@@ -44,9 +48,13 @@ |
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|
109 |
#include <stdlib.h> |
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|
110 |
#include <net/if_arp.h> |
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|
111 |
#include <sys/ioctl.h> |
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|
112 |
+#ifdef HAVE_SOLARIS_NETWORK |
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|
113 |
+#include <ifaddrs.h> |
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|
114 |
+#else |
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115 |
#include <linux/types.h> |
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|
116 |
#include <linux/netlink.h> |
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|
117 |
#include <linux/rtnetlink.h> |
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|
118 |
+#endif |
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|
119 |
#include <errno.h> |
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|
120 |
|
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|
121 |
#define DHCP_CHADDR_MAX 16 |
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|
122 |
@@ -73,6 +81,7 @@ |
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|
123 |
unsigned char options[308]; |
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|
124 |
}; |
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|
125 |
|
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|
126 |
+#if !defined(HAVE_SOLARIS_NETWORK) |
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|
127 |
static struct iovec iov; |
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|
128 |
|
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129 |
static int expand_buf(struct iovec *iov, size_t size) |
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|
130 |
@@ -139,6 +148,8 @@ |
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|
131 |
return rc; |
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132 |
} |
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|
133 |
|
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|
134 |
+#endif |
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|
135 |
+ |
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|
136 |
static int parse_hex(char *in, unsigned char *out, int maxlen, int *mac_type) |
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|
137 |
{ |
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|
138 |
int i = 0; |
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|
139 |
@@ -178,6 +189,7 @@ |
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|
140 |
return (a.s_addr & mask.s_addr) == (b.s_addr & mask.s_addr); |
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|
141 |
} |
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|
142 |
|
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changeset
|
143 |
+#if !defined(HAVE_SOLARIS_NETWORK) |
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|
144 |
static struct in_addr find_interface(struct in_addr client, int fd, unsigned int index) |
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|
145 |
{ |
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|
146 |
struct sockaddr_nl addr; |
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changeset
|
147 |
@@ -244,6 +256,7 @@ |
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changeset
|
148 |
|
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|
149 |
exit(0); |
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|
150 |
} |
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|
151 |
+#endif |
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|
152 |
|
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|
153 |
int main(int argc, char **argv) |
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|
154 |
{ |
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changeset
|
155 |
@@ -254,7 +267,11 @@ |
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|
156 |
struct sockaddr_in dest; |
6fa18b7a0af6
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|
157 |
struct ifreq ifr; |
6fa18b7a0af6
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changeset
|
158 |
int fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP); |
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changeset
|
159 |
+#ifdef HAVE_SOLARIS_NETWORK |
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changeset
|
160 |
+ int nl = 0; |
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changeset
|
161 |
+#else |
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changeset
|
162 |
int nl = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE); |
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changeset
|
163 |
+#endif |
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parents:
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changeset
|
164 |
|
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|
165 |
if (argc < 4 || argc > 5) |
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|
166 |
{ |
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changeset
|
167 |
@@ -267,7 +284,8 @@ |
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changeset
|
168 |
perror("cannot create socket"); |
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|
169 |
exit(1); |
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|
170 |
} |
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|
171 |
- |
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changeset
|
172 |
+ |
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changeset
|
173 |
+#if !defined(HAVE_SOLARIS_NETWORK) |
6fa18b7a0af6
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|
174 |
/* This voodoo fakes up a packet coming from the correct interface, which really matters for |
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|
175 |
a DHCP server */ |
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changeset
|
176 |
strcpy(ifr.ifr_name, argv[1]); |
6746
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23210173 Upgrade dnsmasq to 2.75
Laszlo Peter <laszlo.peter@oracle.com>
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1987
diff
changeset
|
177 |
@@ -276,6 +294,7 @@ |
1987
6fa18b7a0af6
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changeset
|
178 |
perror("cannot setup interface"); |
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|
179 |
exit(1); |
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|
180 |
} |
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|
181 |
+#endif |
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|
182 |
|
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1987
diff
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|
183 |
if (inet_addr(argv[2]) == INADDR_NONE) |
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184 |
{ |
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|
185 |
@@ -284,8 +303,40 @@ |
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186 |
} |
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187 |
|
1987
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188 |
lease.s_addr = inet_addr(argv[2]); |
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189 |
+#ifdef HAVE_SOLARIS_NETWORK |
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190 |
+ struct ifaddrs *ifp_head, *ifp; |
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191 |
+ |
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192 |
+ if (getifaddrs(&ifp_head) < 0) |
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193 |
+ { |
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194 |
+ perror("could not retrieve IP addresses"); |
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|
195 |
+ exit(1); |
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|
196 |
+ } |
6746
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197 |
+ for (ifp = ifp_head; ifp != NULL; ifp = ifp->ifa_next) { |
1987
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|
198 |
+ if (ifp->ifa_addr->sa_family != AF_INET) |
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|
199 |
+ continue; |
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|
200 |
+ if (strcmp(ifp->ifa_name, argv[1]) == 0 && |
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|
201 |
+ is_same_net(lease, ((struct sockaddr_in *)ifp->ifa_addr)->sin_addr, |
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|
202 |
+ ((struct sockaddr_in *)ifp->ifa_netmask)->sin_addr)) |
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|
203 |
+ break; |
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|
204 |
+ } |
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|
205 |
+ if (ifp == NULL) { |
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|
206 |
+ freeifaddrs(ifp_head); |
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|
207 |
+ exit(0); |
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|
208 |
+ } |
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|
209 |
+ memcpy(&server, &((struct sockaddr_in *)ifp->ifa_addr)->sin_addr, |
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|
210 |
+ sizeof(server)); |
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|
211 |
+ /* bind to the socket */ |
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|
212 |
+ if (bind(fd, ifp->ifa_addr, sizeof(struct sockaddr_in)) == -1) |
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|
213 |
+ { |
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|
214 |
+ freeifaddrs(ifp_head); |
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|
215 |
+ perror("cannot bind to socket"); |
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|
216 |
+ exit(1); |
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|
217 |
+ } |
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|
218 |
+ freeifaddrs(ifp_head); |
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|
219 |
+#else |
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220 |
server = find_interface(lease, nl, if_nametoindex(argv[1])); |
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|
221 |
- |
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|
222 |
+#endif |
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|
223 |
+ |
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|
224 |
memset(&packet, 0, sizeof(packet)); |
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|
225 |
|
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|
226 |
packet.hlen = parse_hex(argv[3], packet.chaddr, DHCP_CHADDR_MAX, &mac_type); |