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41 #include <tr_cfgwatch.h>
43 #include <tr_config.h>
44 #include <tr_gss_names.h>
46 #include <tr_filter.h>
47 #include <trust_router/tr_constraint.h>
50 #include <trust_router/trp.h>
52 #if JANSSON_VERSION_HEX < 0x020500
53 #include "jansson_iterators.h"
57 TR_CFG_RC tr_cfg_parse_gss_names(TALLOC_CTX *mem_ctx, json_t *jgss_names, TR_GSS_NAMES **gssn_out)
59 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
60 TR_GSS_NAMES *gn=NULL;
64 TR_CFG_RC rc = TR_CFG_ERROR;
66 if (jgss_names==NULL) {
67 tr_err("tr_cfg_parse_gss_names: Bad parameters.");
72 if (!json_is_array(jgss_names)) {
73 tr_err("tr_cfg_parse_gss_names: gss_names not an array.");
78 gn=tr_gss_names_new(tmp_ctx);
79 for (ii=0; ii<json_array_size(jgss_names); ii++) {
80 jname=json_array_get(jgss_names, ii);
81 if (!json_is_string(jname)) {
82 tr_err("tr_cfg_parse_gss_names: Encountered non-string gss name.");
87 name=tr_new_name(json_string_value(jname));
89 tr_err("tr_cfg_parse_gss_names: Out of memory allocating gss name.");
94 if (tr_gss_names_add(gn, name)!=0) {
96 tr_err("tr_cfg_parse_gss_names: Unable to add gss name to RP client.");
103 talloc_steal(mem_ctx, *gssn_out);
107 talloc_free(tmp_ctx);
111 /* default filter accepts realm and *.realm */
112 static TR_FILTER_SET *tr_cfg_default_filters(TALLOC_CTX *mem_ctx, TR_NAME *realm, TR_CFG_RC *rc)
114 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
115 TR_FILTER *filt=NULL;
116 TR_FLINE *fline = NULL;
117 TR_FILTER_SET *filt_set=NULL;
118 TR_CONSTRAINT *cons=NULL;
120 TR_NAME *n_prefix=tr_new_name("*.");
121 TR_NAME *n_rp_realm_1=tr_new_name("rp_realm");
122 TR_NAME *n_rp_realm_2=tr_new_name("rp_realm");
123 TR_NAME *n_domain=tr_new_name("domain");
124 TR_NAME *n_realm=tr_new_name("realm");
127 if ((realm==NULL) || (rc==NULL)) {
128 tr_debug("tr_cfg_default_filters: invalid arguments.");
130 *rc=TR_CFG_BAD_PARAMS;
134 if ((n_prefix==NULL) ||
135 (n_rp_realm_1==NULL) ||
136 (n_rp_realm_2==NULL) ||
139 tr_debug("tr_cfg_default_filters: unable to allocate names.");
144 filt=tr_filter_new(tmp_ctx);
146 tr_debug("tr_cfg_default_filters: could not allocate filter.");
150 tr_filter_set_type(filt, TR_FILTER_TYPE_TID_INBOUND);
152 fline = tr_fline_new(tmp_ctx);
154 tr_debug("tr_cfg_default_filters: could not allocate filter line.");
159 fline->action=TR_FILTER_ACTION_ACCEPT;
160 fline->specs[0]=tr_fspec_new(fline);
161 fline->specs[0]->field=n_rp_realm_1;
162 n_rp_realm_1=NULL; /* we don't own this name any more */
164 name=tr_dup_name(realm);
166 tr_debug("tr_cfg_default_filters: could not allocate realm name.");
170 tr_fspec_add_match(fline->specs[0], name);
171 name=NULL; /* we no longer own the name */
173 /* now do the wildcard name */
174 fline->specs[1]=tr_fspec_new(fline);
175 fline->specs[1]->field=n_rp_realm_2;
176 n_rp_realm_2=NULL; /* we don't own this name any more */
178 if (NULL==(name=tr_name_cat(n_prefix, realm))) {
179 tr_debug("tr_cfg_default_filters: could not allocate wildcard realm name.");
184 tr_fspec_add_match(fline->specs[1], name);
185 name=NULL; /* we no longer own the name */
187 /* domain constraint */
188 if (NULL==(cons=tr_constraint_new(fline))) {
189 tr_debug("tr_cfg_default_filters: could not allocate domain constraint.");
195 n_domain=NULL; /* belongs to the constraint now */
196 name=tr_dup_name(realm);
198 tr_debug("tr_cfg_default_filters: could not allocate realm name for domain constraint.");
202 cons->matches[0]=name;
203 name=tr_name_cat(n_prefix, realm);
205 tr_debug("tr_cfg_default_filters: could not allocate wildcard realm name for domain constraint.");
209 cons->matches[1]=name;
211 fline->domain_cons=cons;
214 /* realm constraint */
215 if (NULL==(cons=tr_constraint_new(fline))) {
216 tr_debug("tr_cfg_default_filters: could not allocate realm constraint.");
222 n_realm=NULL; /* belongs to the constraint now */
223 name=tr_dup_name(realm);
225 tr_debug("tr_cfg_default_filters: could not allocate realm name for realm constraint.");
229 cons->matches[0]=name;
230 name=tr_name_cat(n_prefix, realm);
232 tr_debug("tr_cfg_default_filters: could not allocate wildcard realm name for realm constraint.");
236 cons->matches[1]=name;
238 fline->realm_cons=cons;
240 /* put the fline in the filter */
241 if (NULL == tr_filter_add_line(filt, fline)) {
242 tr_debug("tr_cfg_default_filters: could not add line to filter.");
247 /* put the filter in a set */
248 filt_set=tr_filter_set_new(tmp_ctx);
249 if ((filt_set==NULL)||(0!=tr_filter_set_add(filt_set, filt))) {
250 tr_debug("tr_cfg_default_filters: could not allocate filter set.");
254 talloc_steal(mem_ctx, filt_set);
257 talloc_free(tmp_ctx);
259 if (*rc!=TR_CFG_SUCCESS)
263 tr_free_name(n_prefix);
264 if (n_rp_realm_1!=NULL)
265 tr_free_name(n_rp_realm_1);
266 if (n_rp_realm_2!=NULL)
267 tr_free_name(n_rp_realm_2);
269 tr_free_name(n_realm);
271 tr_free_name(n_domain);
278 /* parses rp client */
279 static TR_RP_CLIENT *tr_cfg_parse_one_rp_client(TALLOC_CTX *mem_ctx, json_t *jrealm, TR_CFG_RC *rc)
281 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
282 TR_RP_CLIENT *client=NULL;
283 TR_CFG_RC call_rc=TR_CFG_ERROR;
284 TR_FILTER_SET *new_filts=NULL;
287 json_t *jrealm_id=NULL;
289 *rc=TR_CFG_ERROR; /* default to error if not set */
291 if ((!jrealm) || (!rc)) {
292 tr_err("tr_cfg_parse_one_rp_client: Bad parameters.");
294 *rc=TR_CFG_BAD_PARAMS;
298 if ((NULL==(jrealm_id=json_object_get(jrealm, "realm"))) || (!json_is_string(jrealm_id))) {
299 tr_debug("tr_cfg_parse_one_rp_client: no realm ID found.");
300 *rc=TR_CFG_BAD_PARAMS;
304 tr_debug("tr_cfg_parse_one_rp_client: realm_id=\"%s\"", json_string_value(jrealm_id));
305 realm=tr_new_name(json_string_value(jrealm_id));
307 tr_err("tr_cfg_parse_one_rp_client: could not allocate realm ID.");
312 if (NULL==(client=tr_rp_client_new(tmp_ctx))) {
313 tr_err("tr_cfg_parse_one_rp_client: could not allocate rp client.");
318 call_rc = tr_cfg_parse_gss_names(client, json_object_get(jrealm, "gss_names"), &(client->gss_names));
320 if (call_rc!=TR_CFG_SUCCESS) {
321 tr_err("tr_cfg_parse_one_rp_client: could not parse gss_names.");
327 jfilt=json_object_get(jrealm, "filters");
329 new_filts=tr_cfg_parse_filters(tmp_ctx, jfilt, &call_rc);
330 if (call_rc!=TR_CFG_SUCCESS) {
331 tr_err("tr_cfg_parse_one_rp_client: could not parse filters.");
336 tr_debug("tr_cfg_parse_one_rp_client: no filters specified, using default filters.");
337 new_filts= tr_cfg_default_filters(tmp_ctx, realm, &call_rc);
338 if (call_rc!=TR_CFG_SUCCESS) {
339 tr_err("tr_cfg_parse_one_rp_client: could not set default filters.");
345 tr_rp_client_set_filters(client, new_filts);
352 if (*rc==TR_CFG_SUCCESS)
353 talloc_steal(mem_ctx, client);
359 talloc_free(tmp_ctx);
363 /* Determine whether the realm is an RP realm */
364 static int tr_cfg_is_rp_realm(json_t *jrealm)
366 /* Check that we have a gss name. */
367 if (NULL != json_object_get(jrealm, "gss_names"))
373 /* Parse any rp clients in the j_realms object. Ignores other realms. */
374 TR_RP_CLIENT *tr_cfg_parse_rp_clients(TALLOC_CTX *mem_ctx, json_t *jrealms, TR_CFG_RC *rc)
376 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
377 TR_RP_CLIENT *clients=NULL;
378 TR_RP_CLIENT *new_client=NULL;
379 json_t *this_jrealm=NULL;
383 if ((jrealms==NULL) || (!json_is_array(jrealms))) {
384 tr_err("tr_cfg_parse_rp_clients: realms not an array");
385 *rc=TR_CFG_BAD_PARAMS;
389 for (ii=0; ii<json_array_size(jrealms); ii++) {
390 this_jrealm=json_array_get(jrealms, ii);
391 if (tr_cfg_is_rp_realm(this_jrealm)) {
392 new_client=tr_cfg_parse_one_rp_client(tmp_ctx, this_jrealm, rc);
393 if ((*rc)!=TR_CFG_SUCCESS) {
394 tr_err("tr_cfg_parse_rp_clients: error decoding realm entry %d", ii+1);
398 tr_rp_client_add(clients, new_client);
403 talloc_steal(mem_ctx, clients);
406 talloc_free(tmp_ctx);