diff options
Diffstat (limited to 'contrib/bind9/lib/dns/gssapi_link.c')
| -rw-r--r-- | contrib/bind9/lib/dns/gssapi_link.c | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/contrib/bind9/lib/dns/gssapi_link.c b/contrib/bind9/lib/dns/gssapi_link.c deleted file mode 100644 index a6a367a..0000000 --- a/contrib/bind9/lib/dns/gssapi_link.c +++ /dev/null @@ -1,222 +0,0 @@ -/* - * Copyright (C) 2004, 2005 Internet Systems Consortium, Inc. ("ISC") - * Copyright (C) 2000-2002 Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, - * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE - * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR - * PERFORMANCE OF THIS SOFTWARE. - */ - -/* - * $Id: gssapi_link.c,v 1.1.6.3 2005/04/29 00:15:53 marka Exp $ - */ - -#ifdef GSSAPI - -#include <config.h> - -#include <isc/buffer.h> -#include <isc/mem.h> -#include <isc/string.h> -#include <isc/util.h> - -#include <dst/result.h> - -#include "dst_internal.h" -#include "dst_parse.h" - -#include <gssapi/gssapi.h> - -#define INITIAL_BUFFER_SIZE 1024 -#define BUFFER_EXTRA 1024 - -#define REGION_TO_GBUFFER(r, gb) \ - do { \ - (gb).length = (r).length; \ - (gb).value = (r).base; \ - } while (0) - -typedef struct gssapi_ctx { - isc_buffer_t *buffer; - gss_ctx_id_t *context_id; -} gssapi_ctx_t; - - -static isc_result_t -gssapi_createctx(dst_key_t *key, dst_context_t *dctx) { - gssapi_ctx_t *ctx; - isc_result_t result; - - UNUSED(key); - - ctx = isc_mem_get(dctx->mctx, sizeof(gssapi_ctx_t)); - if (ctx == NULL) - return (ISC_R_NOMEMORY); - ctx->buffer = NULL; - result = isc_buffer_allocate(dctx->mctx, &ctx->buffer, - INITIAL_BUFFER_SIZE); - if (result != ISC_R_SUCCESS) { - isc_mem_put(dctx->mctx, ctx, sizeof(gssapi_ctx_t)); - return (result); - } - ctx->context_id = key->opaque; - dctx->opaque = ctx; - return (ISC_R_SUCCESS); -} - -static void -gssapi_destroyctx(dst_context_t *dctx) { - gssapi_ctx_t *ctx = dctx->opaque; - - if (ctx != NULL) { - if (ctx->buffer != NULL) - isc_buffer_free(&ctx->buffer); - isc_mem_put(dctx->mctx, ctx, sizeof(gssapi_ctx_t)); - dctx->opaque = NULL; - } -} - -static isc_result_t -gssapi_adddata(dst_context_t *dctx, const isc_region_t *data) { - gssapi_ctx_t *ctx = dctx->opaque; - isc_buffer_t *newbuffer = NULL; - isc_region_t r; - unsigned int length; - isc_result_t result; - - result = isc_buffer_copyregion(ctx->buffer, data); - if (result == ISC_R_SUCCESS) - return (ISC_R_SUCCESS); - - length = isc_buffer_length(ctx->buffer) + data->length + BUFFER_EXTRA; - - result = isc_buffer_allocate(dctx->mctx, &newbuffer, length); - if (result != ISC_R_SUCCESS) - return (result); - - isc_buffer_usedregion(ctx->buffer, &r); - (void) isc_buffer_copyregion(newbuffer, &r); - (void) isc_buffer_copyregion(newbuffer, data); - - isc_buffer_free(&ctx->buffer); - ctx->buffer = newbuffer; - - return (ISC_R_SUCCESS); -} - -static isc_result_t -gssapi_sign(dst_context_t *dctx, isc_buffer_t *sig) { - gssapi_ctx_t *ctx = dctx->opaque; - isc_region_t message; - gss_buffer_desc gmessage, gsig; - OM_uint32 minor, gret; - - isc_buffer_usedregion(ctx->buffer, &message); - REGION_TO_GBUFFER(message, gmessage); - - gret = gss_get_mic(&minor, ctx->context_id, - GSS_C_QOP_DEFAULT, &gmessage, &gsig); - if (gret != 0) - return (ISC_R_FAILURE); - - if (gsig.length > isc_buffer_availablelength(sig)) { - gss_release_buffer(&minor, &gsig); - return (ISC_R_NOSPACE); - } - - isc_buffer_putmem(sig, gsig.value, gsig.length); - - gss_release_buffer(&minor, &gsig); - - return (ISC_R_SUCCESS); -} - -static isc_result_t -gssapi_verify(dst_context_t *dctx, const isc_region_t *sig) { - gssapi_ctx_t *ctx = dctx->opaque; - isc_region_t message; - gss_buffer_desc gmessage, gsig; - OM_uint32 minor, gret; - - isc_buffer_usedregion(ctx->buffer, &message); - REGION_TO_GBUFFER(message, gmessage); - - REGION_TO_GBUFFER(*sig, gsig); - - gret = gss_verify_mic(&minor, ctx->context_id, &gmessage, &gsig, NULL); - if (gret != 0) - return (ISC_R_FAILURE); - - return (ISC_R_SUCCESS); -} - -static isc_boolean_t -gssapi_compare(const dst_key_t *key1, const dst_key_t *key2) { - gss_ctx_id_t gsskey1 = key1->opaque; - gss_ctx_id_t gsskey2 = key2->opaque; - - /* No idea */ - return (ISC_TF(gsskey1 == gsskey2)); -} - -static isc_result_t -gssapi_generate(dst_key_t *key, int unused) { - UNUSED(key); - UNUSED(unused); - - /* No idea */ - return (ISC_R_FAILURE); -} - -static isc_boolean_t -gssapi_isprivate(const dst_key_t *key) { - UNUSED(key); - return (ISC_TRUE); -} - -static void -gssapi_destroy(dst_key_t *key) { - UNUSED(key); - /* No idea */ -} - -static dst_func_t gssapi_functions = { - gssapi_createctx, - gssapi_destroyctx, - gssapi_adddata, - gssapi_sign, - gssapi_verify, - NULL, /*%< computesecret */ - gssapi_compare, - NULL, /*%< paramcompare */ - gssapi_generate, - gssapi_isprivate, - gssapi_destroy, - NULL, /*%< todns */ - NULL, /*%< fromdns */ - NULL, /*%< tofile */ - NULL, /*%< parse */ - NULL, /*%< cleanup */ -}; - -isc_result_t -dst__gssapi_init(dst_func_t **funcp) { - REQUIRE(funcp != NULL); - if (*funcp == NULL) - *funcp = &gssapi_functions; - return (ISC_R_SUCCESS); -} - -#else -int gssapi_link_unneeded = 1; -#endif - -/*! \file */ |
