mirror of
https://github.com/isc-projects/bind9.git
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95 lines
2.7 KiB
C
95 lines
2.7 KiB
C
/*
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* Copyright (C) 1999, 2000 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#include <config.h>
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#include <isc/buffer.h>
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#include <isc/string.h> /* Required for HP/UX (and others?) */
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#include <isc/mem.h>
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#include <dns/keyvalues.h>
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#include <dns/name.h>
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#include <dns/tkey.h>
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#include <dns/tkeyconf.h>
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#define RETERR(x) do { \
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result = (x); \
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if (result != ISC_R_SUCCESS) \
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goto failure; \
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} while (0)
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isc_result_t
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dns_tkeyctx_fromconfig(dns_c_ctx_t *cfg, isc_mem_t *mctx, isc_entropy_t *ectx,
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dns_tkeyctx_t **tctxp)
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{
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isc_result_t result;
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dns_tkeyctx_t *tctx = NULL;
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char *s;
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isc_uint32_t n;
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isc_buffer_t b, namebuf;
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unsigned char data[1024];
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dns_name_t domain, keyname;
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result = dns_tkeyctx_create(mctx, ectx, &tctx);
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if (result != ISC_R_SUCCESS)
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return (result);
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s = NULL;
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result = dns_c_ctx_gettkeydhkey(cfg, &s, &n);
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if (result == ISC_R_NOTFOUND) {
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*tctxp = tctx;
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return (ISC_R_SUCCESS);
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}
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isc_buffer_init(&namebuf, data, sizeof(data));
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dns_name_init(&keyname, NULL);
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isc_buffer_init(&b, s, strlen(s));
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isc_buffer_add(&b, strlen(s));
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dns_name_fromtext(&keyname, &b, dns_rootname, ISC_FALSE, &namebuf);
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RETERR(dst_key_fromfile(&keyname, n, DNS_KEYALG_DH,
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DST_TYPE_PUBLIC|DST_TYPE_PRIVATE,
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NULL, mctx, &tctx->dhkey));
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s = NULL;
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RETERR(dns_c_ctx_gettkeydomain(cfg, &s));
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dns_name_init(&domain, NULL);
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tctx->domain = (dns_name_t *) isc_mem_get(mctx, sizeof(dns_name_t));
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if (tctx->domain == NULL) {
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result = ISC_R_NOMEMORY;
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goto failure;
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}
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dns_name_init(tctx->domain, NULL);
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isc_buffer_init(&b, s, strlen(s));
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isc_buffer_add(&b, strlen(s));
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RETERR(dns_name_fromtext(&domain, &b, dns_rootname, ISC_FALSE,
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&namebuf));
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RETERR(dns_name_dup(&domain, mctx, tctx->domain));
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*tctxp = tctx;
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return (ISC_R_SUCCESS);
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failure:
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if (tctx->dhkey != NULL)
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dst_key_free(&tctx->dhkey);
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if (tctx->domain != NULL) {
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dns_name_free(tctx->domain, mctx);
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isc_mem_put(mctx, tctx->domain, sizeof(dns_name_t));
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tctx->domain = NULL;
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}
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dns_tkeyctx_destroy(&tctx);
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return (result);
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}
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