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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-04 19:22:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2021-03-04 20:43:22 +0000 |
commit | 22c74419e2c258319bc723351876604b3304604b (patch) | |
tree | 8c799a78d53f67388fdf42900657eda617c1306a /src/iaddr.c | |
parent | Initial commit. (diff) | |
download | dnscap-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 '')
-rw-r--r-- | src/iaddr.c | 68 |
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; +} |