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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_FILTER_SET *filt_set=NULL;
117 TR_CONSTRAINT *cons=NULL;
119 TR_NAME *n_prefix=tr_new_name("*.");
120 TR_NAME *n_rp_realm_1=tr_new_name("rp_realm");
121 TR_NAME *n_rp_realm_2=tr_new_name("rp_realm");
122 TR_NAME *n_domain=tr_new_name("domain");
123 TR_NAME *n_realm=tr_new_name("realm");
126 if ((realm==NULL) || (rc==NULL)) {
127 tr_debug("tr_cfg_default_filters: invalid arguments.");
129 *rc=TR_CFG_BAD_PARAMS;
133 if ((n_prefix==NULL) ||
134 (n_rp_realm_1==NULL) ||
135 (n_rp_realm_2==NULL) ||
138 tr_debug("tr_cfg_default_filters: unable to allocate names.");
143 filt=tr_filter_new(tmp_ctx);
145 tr_debug("tr_cfg_default_filters: could not allocate filter.");
149 tr_filter_set_type(filt, TR_FILTER_TYPE_TID_INBOUND);
150 filt->lines[0]=tr_fline_new(filt);
151 if (filt->lines[0]==NULL) {
152 tr_debug("tr_cfg_default_filters: could not allocate filter line.");
157 filt->lines[0]->action=TR_FILTER_ACTION_ACCEPT;
158 filt->lines[0]->specs[0]=tr_fspec_new(filt->lines[0]);
159 filt->lines[0]->specs[0]->field=n_rp_realm_1;
160 n_rp_realm_1=NULL; /* we don't own this name any more */
162 name=tr_dup_name(realm);
164 tr_debug("tr_cfg_default_filters: could not allocate realm name.");
168 tr_fspec_add_match(filt->lines[0]->specs[0], name);
169 name=NULL; /* we no longer own the name */
171 /* now do the wildcard name */
172 filt->lines[0]->specs[1]=tr_fspec_new(filt->lines[0]);
173 filt->lines[0]->specs[1]->field=n_rp_realm_2;
174 n_rp_realm_2=NULL; /* we don't own this name any more */
176 if (NULL==(name=tr_name_cat(n_prefix, realm))) {
177 tr_debug("tr_cfg_default_filters: could not allocate wildcard realm name.");
182 tr_fspec_add_match(filt->lines[0]->specs[1], name);
183 name=NULL; /* we no longer own the name */
185 /* domain constraint */
186 if (NULL==(cons=tr_constraint_new(filt->lines[0]))) {
187 tr_debug("tr_cfg_default_filters: could not allocate domain constraint.");
193 n_domain=NULL; /* belongs to the constraint now */
194 name=tr_dup_name(realm);
196 tr_debug("tr_cfg_default_filters: could not allocate realm name for domain constraint.");
200 cons->matches[0]=name;
201 name=tr_name_cat(n_prefix, realm);
203 tr_debug("tr_cfg_default_filters: could not allocate wildcard realm name for domain constraint.");
207 cons->matches[1]=name;
209 filt->lines[0]->domain_cons=cons;
212 /* realm constraint */
213 if (NULL==(cons=tr_constraint_new(filt->lines[0]))) {
214 tr_debug("tr_cfg_default_filters: could not allocate realm constraint.");
220 n_realm=NULL; /* belongs to the constraint now */
221 name=tr_dup_name(realm);
223 tr_debug("tr_cfg_default_filters: could not allocate realm name for realm constraint.");
227 cons->matches[0]=name;
228 name=tr_name_cat(n_prefix, realm);
230 tr_debug("tr_cfg_default_filters: could not allocate wildcard realm name for realm constraint.");
234 cons->matches[1]=name;
236 filt->lines[0]->realm_cons=cons;
238 /* put the filter in a set */
239 filt_set=tr_filter_set_new(tmp_ctx);
240 if ((filt_set==NULL)||(0!=tr_filter_set_add(filt_set, filt))) {
241 tr_debug("tr_cfg_default_filters: could not allocate filter set.");
245 talloc_steal(mem_ctx, filt_set);
248 talloc_free(tmp_ctx);
250 if (*rc!=TR_CFG_SUCCESS)
254 tr_free_name(n_prefix);
255 if (n_rp_realm_1!=NULL)
256 tr_free_name(n_rp_realm_1);
257 if (n_rp_realm_2!=NULL)
258 tr_free_name(n_rp_realm_2);
260 tr_free_name(n_realm);
262 tr_free_name(n_domain);
269 /* parses rp client */
270 static TR_RP_CLIENT *tr_cfg_parse_one_rp_client(TALLOC_CTX *mem_ctx, json_t *jrealm, TR_CFG_RC *rc)
272 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
273 TR_RP_CLIENT *client=NULL;
274 TR_CFG_RC call_rc=TR_CFG_ERROR;
275 TR_FILTER_SET *new_filts=NULL;
278 json_t *jrealm_id=NULL;
280 *rc=TR_CFG_ERROR; /* default to error if not set */
282 if ((!jrealm) || (!rc)) {
283 tr_err("tr_cfg_parse_one_rp_client: Bad parameters.");
285 *rc=TR_CFG_BAD_PARAMS;
289 if ((NULL==(jrealm_id=json_object_get(jrealm, "realm"))) || (!json_is_string(jrealm_id))) {
290 tr_debug("tr_cfg_parse_one_rp_client: no realm ID found.");
291 *rc=TR_CFG_BAD_PARAMS;
295 tr_debug("tr_cfg_parse_one_rp_client: realm_id=\"%s\"", json_string_value(jrealm_id));
296 realm=tr_new_name(json_string_value(jrealm_id));
298 tr_err("tr_cfg_parse_one_rp_client: could not allocate realm ID.");
303 if (NULL==(client=tr_rp_client_new(tmp_ctx))) {
304 tr_err("tr_cfg_parse_one_rp_client: could not allocate rp client.");
309 call_rc = tr_cfg_parse_gss_names(client, json_object_get(jrealm, "gss_names"), &(client->gss_names));
311 if (call_rc!=TR_CFG_SUCCESS) {
312 tr_err("tr_cfg_parse_one_rp_client: could not parse gss_names.");
318 jfilt=json_object_get(jrealm, "filters");
320 new_filts=tr_cfg_parse_filters(tmp_ctx, jfilt, &call_rc);
321 if (call_rc!=TR_CFG_SUCCESS) {
322 tr_err("tr_cfg_parse_one_rp_client: could not parse filters.");
327 tr_debug("tr_cfg_parse_one_rp_client: no filters specified, using default filters.");
328 new_filts= tr_cfg_default_filters(tmp_ctx, realm, &call_rc);
329 if (call_rc!=TR_CFG_SUCCESS) {
330 tr_err("tr_cfg_parse_one_rp_client: could not set default filters.");
336 tr_rp_client_set_filters(client, new_filts);
343 if (*rc==TR_CFG_SUCCESS)
344 talloc_steal(mem_ctx, client);
350 talloc_free(tmp_ctx);
354 /* Determine whether the realm is an RP realm */
355 static int tr_cfg_is_rp_realm(json_t *jrealm)
357 /* Check that we have a gss name. */
358 if (NULL != json_object_get(jrealm, "gss_names"))
364 /* Parse any rp clients in the j_realms object. Ignores other realms. */
365 TR_RP_CLIENT *tr_cfg_parse_rp_clients(TALLOC_CTX *mem_ctx, json_t *jrealms, TR_CFG_RC *rc)
367 TALLOC_CTX *tmp_ctx=talloc_new(NULL);
368 TR_RP_CLIENT *clients=NULL;
369 TR_RP_CLIENT *new_client=NULL;
370 json_t *this_jrealm=NULL;
374 if ((jrealms==NULL) || (!json_is_array(jrealms))) {
375 tr_err("tr_cfg_parse_rp_clients: realms not an array");
376 *rc=TR_CFG_BAD_PARAMS;
380 for (ii=0; ii<json_array_size(jrealms); ii++) {
381 this_jrealm=json_array_get(jrealms, ii);
382 if (tr_cfg_is_rp_realm(this_jrealm)) {
383 new_client=tr_cfg_parse_one_rp_client(tmp_ctx, this_jrealm, rc);
384 if ((*rc)!=TR_CFG_SUCCESS) {
385 tr_err("tr_cfg_parse_rp_clients: error decoding realm entry %d", ii+1);
389 tr_rp_client_add(clients, new_client);
394 talloc_steal(mem_ctx, clients);
397 talloc_free(tmp_ctx);