X-Git-Url: http://www.project-moonshot.org/gitweb/?p=trust_router.git;a=blobdiff_plain;f=common%2Ftr_gss_names.c;fp=common%2Ftr_gss_names.c;h=416ba8cba51515611687ecd14dd74332e97a4865;hp=0000000000000000000000000000000000000000;hb=6f65c9cce86719147d0b4dcc9823b25443c2d185;hpb=eaa1a8ceed54fbfadc2638cf383aaa12ab446a57 diff --git a/common/tr_gss_names.c b/common/tr_gss_names.c new file mode 100644 index 0000000..416ba8c --- /dev/null +++ b/common/tr_gss_names.c @@ -0,0 +1,144 @@ +/* + * Copyright (c) 2016, JANET(UK) + * 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 JANET(UK) 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 +#include + +#include +#include + +/** + * Helper for tr_gss_names_destructor - calls tr_free_name on its first argument + * + * @param item void pointer to a TR_NAME + * @param cookie ignored + */ +static void gss_names_destruct_helper(void *item, void *cookie) +{ + TR_NAME *name = (TR_NAME *) item; + tr_free_name(name); +} +static int tr_gss_names_destructor(void *obj) +{ + TR_GSS_NAMES *gss_names=talloc_get_type_abort(obj, TR_GSS_NAMES); + if (gss_names->names) + tr_list_foreach(gss_names->names, gss_names_destruct_helper, NULL); + return 0; +} +TR_GSS_NAMES *tr_gss_names_new(TALLOC_CTX *mem_ctx) +{ + TR_GSS_NAMES *gn = talloc(mem_ctx, TR_GSS_NAMES); + if (gn != NULL) { + gn->names = tr_list_new(gn); + if (gn->names == NULL) { + talloc_free(gn); + return NULL; + } + talloc_set_destructor((void *)gn, tr_gss_names_destructor); + } + return gn; +} + +void tr_gss_names_free(TR_GSS_NAMES *gn) +{ + talloc_free(gn); +} + +/* returns 0 on success */ +int tr_gss_names_add(TR_GSS_NAMES *gn, TR_NAME *new) +{ + return (NULL == tr_list_add(gn->names, new, 0)); /* nonzero if the add failed */ +} + +/** + * Create a duplicate GSS names struct + * + * @param mem_ctx + * @param orig + * @return + */ +TR_GSS_NAMES *tr_gss_names_dup(TALLOC_CTX *mem_ctx, TR_GSS_NAMES *orig) +{ + TALLOC_CTX *tmp_ctx = talloc_new(NULL); + TR_GSS_NAMES *new = tr_gss_names_new(tmp_ctx); + TR_GSS_NAMES_ITER *iter = tr_gss_names_iter_new(tmp_ctx); + TR_NAME *this = NULL; + + if ( !orig || !new || !iter ) { + talloc_free(tmp_ctx); + return NULL; + } + for (this = tr_gss_names_iter_first(iter, orig); + this != NULL; + this = tr_gss_names_iter_next(iter)) { + if (tr_gss_names_add(new, tr_dup_name(this)) != 0) { + talloc_free(tmp_ctx); + return NULL; + } + } + /* success */ + talloc_steal(mem_ctx, new); + return new; +} + +int tr_gss_names_matches(TR_GSS_NAMES *gn, TR_NAME *name) +{ + TR_GSS_NAMES_ITER iter={0}; + TR_NAME *this = NULL; + + if ((!gn) || (!name)) + return 0; + + for (this = tr_gss_names_iter_first(&iter, gn); + this != NULL; + this = tr_gss_names_iter_next(&iter)) { + if (tr_name_cmp(name, this) == 0) + return 1; + } + return 0; +} + +json_t *tr_gss_names_to_json_array(TR_GSS_NAMES *gss_names) +{ + TR_GSS_NAMES_ITER *iter = tr_gss_names_iter_new(NULL); + json_t *jarray = json_array(); + TR_NAME *name = tr_gss_names_iter_first(iter, gss_names); + while (name) { + json_array_append_new(jarray, tr_name_to_json_string(name)); + name = tr_gss_names_iter_next(iter); + } + tr_gss_names_iter_free(iter); + return jarray; +} +