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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 00:53:35 +0000 |
commit | 69c6a41ffb878ef98c9378ed4b1634a404cfaa7f (patch) | |
tree | b2a4f704565d62fbb129ab9dc3b35977c50e6e7f /src/libdnssec/keyid.c | |
parent | Initial commit. (diff) | |
download | knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.tar.xz knot-69c6a41ffb878ef98c9378ed4b1634a404cfaa7f.zip |
Adding upstream version 2.7.6.upstream/2.7.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/libdnssec/keyid.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/libdnssec/keyid.c b/src/libdnssec/keyid.c new file mode 100644 index 0000000..c99a657 --- /dev/null +++ b/src/libdnssec/keyid.c @@ -0,0 +1,87 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#include <assert.h> +#include <string.h> + +#include "libdnssec/error.h" +#include "libdnssec/keyid.h" +#include "libdnssec/shared/shared.h" + +#include "contrib/ctype.h" +#include "contrib/tolower.h" + +/* -- public API ----------------------------------------------------------- */ + +_public_ +bool dnssec_keyid_is_valid(const char *id) +{ + if (!id) { + return false; + } + + if (strlen(id) != DNSSEC_KEYID_SIZE) { + return false; + } + + for (int i = 0; i < DNSSEC_KEYID_SIZE; i++) { + if (!is_xdigit(id[i])) { + return false; + } + } + + return true; +} + +_public_ +void dnssec_keyid_normalize(char *id) +{ + if (!id) { + return; + } + + for (size_t i = 0; i < DNSSEC_KEYID_SIZE; i++) { + assert(id[i] != '\0' && is_xdigit(id[i])); + id[i] = knot_tolower(id[i]); + } +} + +_public_ +char *dnssec_keyid_copy(const char *id) +{ + if (!id) { + return NULL; + } + + char *copy = strdup(id); + if (!copy) { + return NULL; + } + + dnssec_keyid_normalize(copy); + + return copy; +} + +_public_ +bool dnssec_keyid_equal(const char *one, const char *two) +{ + if (!one || !two) { + return NULL; + } + + return (strcasecmp(one, two) == 0); +} |