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authorDaniel Baumann <daniel.baumann@progress-linux.org>2021-03-04 19:22:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2021-03-04 20:43:22 +0000
commit22c74419e2c258319bc723351876604b3304604b (patch)
tree8c799a78d53f67388fdf42900657eda617c1306a /src/iaddr.c
parentInitial commit. (diff)
downloaddnscap-upstream/2.0.0+debian.tar.xz
dnscap-upstream/2.0.0+debian.zip
Adding upstream version 2.0.0+debian.upstream/2.0.0+debian
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/iaddr.c')
-rw-r--r--src/iaddr.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/src/iaddr.c b/src/iaddr.c
new file mode 100644
index 0000000..2c5cbeb
--- /dev/null
+++ b/src/iaddr.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2016-2021, OARC, Inc.
+ * 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 copyright holder 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 COPYRIGHT HOLDERS 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
+ * COPYRIGHT HOLDER 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.
+ */
+
+#include "config.h"
+
+#include "iaddr.h"
+
+const char* ia_str(iaddr ia)
+{
+ static char inet[INET_ADDRSTRLEN], inet6[INET6_ADDRSTRLEN];
+
+ switch (ia.af) {
+ case AF_INET:
+ if (inet_ntop(ia.af, &ia.u, inet, sizeof(inet)))
+ return inet;
+ return "255.255.255.255";
+ case AF_INET6:
+ if (inet_ntop(ia.af, &ia.u, inet6, sizeof(inet6)))
+ return inet6;
+ return "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff";
+ }
+
+ return "UNKNOWN";
+}
+
+int ia_equal(iaddr x, iaddr y)
+{
+ if (x.af != y.af)
+ return FALSE;
+ switch (x.af) {
+ case AF_INET:
+ return (x.u.a4.s_addr == y.u.a4.s_addr);
+ case AF_INET6:
+ return (memcmp(&x.u.a6.s6_addr, &y.u.a6.s6_addr, sizeof(x.u.a6.s6_addr)) == 0);
+ }
+ return FALSE;
+}