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3006. [func] Allow dynamically generated TSIG keys to be preserved

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across restarts of named.  Initially this is for
                        TSIG keys generated using GSSAPI. [RT #22639]
This commit is contained in:
Mark Andrews
2011-01-10 05:32:04 +00:00
parent f0238aceb9
commit 433e06a25c
25 changed files with 817 additions and 276 deletions
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44
lib/dns/dst_api.c
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@@ -31,7 +31,7 @@
/*
* Principal Author: Brian Wellington
* $Id: dst_api.c,v 1.55 2010/12/23 04:07:58 marka Exp $
* $Id: dst_api.c,v 1.56 2011/01/10 05:32:03 marka Exp $
*/
/*! \file */
@@ -1181,6 +1181,48 @@ dst_key_format(const dst_key_t *key, char *cp, unsigned int size) {
snprintf(cp, size, "%s/%s/%d", namestr, algstr, dst_key_id(key));
}
isc_result_t
dst_key_dump(dst_key_t *key, isc_mem_t *mctx, char **buffer, int *length) {
REQUIRE(buffer != NULL && *buffer == NULL);
REQUIRE(length != NULL && *length == 0);
REQUIRE(VALID_KEY(key));
if (key->func->isprivate == NULL)
return (ISC_R_NOTIMPLEMENTED);
return (key->func->dump(key, mctx, buffer, length));
}
isc_result_t
dst_key_restore(dns_name_t *name, unsigned int alg, unsigned int flags,
unsigned int protocol, dns_rdataclass_t rdclass,
isc_mem_t *mctx, const char *keystr, dst_key_t **keyp)
{
isc_result_t result;
dst_key_t *key;
REQUIRE(dst_initialized == ISC_TRUE);
REQUIRE(keyp != NULL && *keyp == NULL);
if (alg >= DST_MAX_ALGS || dst_t_func[alg] == NULL)
return (DST_R_UNSUPPORTEDALG);
if (dst_t_func[alg]->restore == NULL)
return (ISC_R_NOTIMPLEMENTED);
key = get_key_struct(name, alg, flags, protocol, 0, rdclass, mctx);
if (key == NULL)
return (ISC_R_NOMEMORY);
result = (dst_t_func[alg]->restore)(key, keystr);
if (result == ISC_R_SUCCESS)
*keyp = key;
else
dst_key_free(&key);
return (result);
}
/***
*** Static methods
***/