#include <freeradius-devel/server/rad_assert.h>
#include <freeradius-devel/server/rcode.h>
#include <freeradius-devel/server/state.h>
+#include <freeradius-devel/io/listen.h>
#include <freeradius-devel/util/print.h>
#include <ctype.h>
-/*
- * Check password.
- *
- * Returns: 0 OK
- * -1 Password fail
- * -2 Rejected (Auth-Type = Reject, send Port-Message back)
- * 1 End check & return, don't reply
- *
- * NOTE: NOT the same as the RLM_ values !
- */
-static int CC_HINT(nonnull) rad_check_password(REQUEST *request)
-{
- fr_cursor_t cursor;
- VALUE_PAIR *auth_type_pair;
- int auth_type = -1;
- int result;
- int auth_type_count = 0;
- fr_dict_attr_t const *da;
-
- da = fr_dict_attr_child_by_num(fr_dict_root(fr_dict_internal), FR_AUTH_TYPE);
- if (!da) {
- RERROR("Missing definition for Auth-Type");
- return -1;
- }
-
- /*
- * Look for matching check items. We skip the whole lot
- * if the authentication type is FR_AUTH_TYPE_ACCEPT or
- * FR_AUTH_TYPE_REJECT.
- */
- for (auth_type_pair = fr_cursor_iter_by_da_init(&cursor, &request->control, da);
- auth_type_pair;
- auth_type_pair = fr_cursor_next(&cursor)) {
- auth_type = auth_type_pair->vp_uint32;
- auth_type_count++;
-
- RDEBUG2("Using '%pP' for authenticate {...}", auth_type_pair);
- if (auth_type == FR_AUTH_TYPE_REJECT) {
- RDEBUG2("Auth-Type = Reject, rejecting user");
-
- return -2;
- }
- }
-
- /*
- * Warn if more than one Auth-Type was found, because only the last
- * one found will actually be used.
- */
- if ((auth_type_count > 1) && (rad_debug_lvl) && request->username) {
- RERROR("Warning: Found %d auth-types on request for user '%s'",
- auth_type_count, request->username->vp_strvalue);
- }
-
- /*
- * This means we have a proxy reply or an accept and it wasn't
- * rejected in the above loop. So that means it is accepted and we
- * do no further authentication.
- */
- if (auth_type == FR_AUTH_TYPE_ACCEPT) {
- RDEBUG2("Auth-Type = Accept, accepting the user");
- return 0;
- }
-
- /*
- * Check that Auth-Type has been set, and reject if not.
- *
- * Do quick checks to see if Cleartext-Password or Crypt-Password have
- * been set, and complain if so.
- */
- if (auth_type < 0) {
- if (fr_pair_find_by_num(request->control, 0, FR_CRYPT_PASSWORD, TAG_ANY) != NULL) {
- RWDEBUG2("Please update your configuration, and remove 'Auth-Type = Crypt'");
- RWDEBUG2("Use the PAP module instead");
- }
- else if (fr_pair_find_by_num(request->control, 0, FR_CLEARTEXT_PASSWORD, TAG_ANY) != NULL) {
- RWDEBUG2("Please update your configuration, and remove 'Auth-Type = Local'");
- RWDEBUG2("Use the PAP or CHAP modules instead");
- }
-
- /*
- * The admin hasn't told us how to
- * authenticate the user, so we reject them!
- *
- * This is fail-safe.
- */
-
- REDEBUG2("No Auth-Type found: rejecting the user via Post-Auth-Type = Reject");
- return -2;
- }
-
- /*
- * See if there is a module that handles
- * this Auth-Type, and turn the RLM_ return
- * status into the values as defined at
- * the top of this function.
- */
- result = process_authenticate(auth_type, request);
- switch (result) {
- /*
- * An authentication module FAIL
- * return code, or any return code that
- * is not expected from authentication,
- * is the same as an explicit REJECT!
- */
- case RLM_MODULE_FAIL:
- case RLM_MODULE_INVALID:
- case RLM_MODULE_NOOP:
- case RLM_MODULE_NOTFOUND:
- case RLM_MODULE_REJECT:
- case RLM_MODULE_UPDATED:
- case RLM_MODULE_USERLOCK:
- default:
- result = -1;
- break;
-
- case RLM_MODULE_OK:
- result = 0;
- break;
-
- case RLM_MODULE_HANDLED:
- result = 1;
- break;
- }
-
- return result;
-}
-
/*
* Post-authentication step processes the response before it is
* sent to the NAS. It can receive both Access-Accept and Access-Reject
return rcode;
}
-/*
- * Process and reply to an authentication request
- *
- * The return value of this function isn't actually used right now, so
- * it's not entirely clear if it is returning the right things. --Pac.
- */
-static rlm_rcode_t rad_authenticate(REQUEST *request)
-{
- int result;
- rlm_rcode_t rcode;
-
-#ifdef WITH_PROXY
- /*
- * Old proxy code removed, see v3.0.x for details
- */
-#endif
- /*
- * Look for, and cache, passwords.
- */
- if (!request->password) {
- request->password = fr_pair_find_by_num(request->packet->vps, 0, FR_USER_PASSWORD, TAG_ANY);
- }
- if (!request->password) {
- request->password = fr_pair_find_by_num(request->packet->vps, 0, FR_CHAP_PASSWORD, TAG_ANY);
- }
-
- /*
- * Get the user's authorization information from the database
- */
- rcode = process_authorize(0, request);
- switch (rcode) {
- case RLM_MODULE_NOOP:
- case RLM_MODULE_NOTFOUND:
- case RLM_MODULE_OK:
- case RLM_MODULE_UPDATED:
- break;
- case RLM_MODULE_HANDLED:
- return rcode;
- case RLM_MODULE_FAIL:
- case RLM_MODULE_INVALID:
- case RLM_MODULE_REJECT:
- case RLM_MODULE_USERLOCK:
- default:
- request->reply->code = FR_CODE_ACCESS_REJECT;
- return rcode;
- }
-
- /*
- * Validate the user
- */
- do {
- result = rad_check_password(request);
- if (result > 0) {
- return RLM_MODULE_HANDLED;
- }
-
- } while(0);
-
- /*
- * Failed to validate the user.
- *
- * We PRESUME that the code which failed will clean up
- * request->reply->vps, to be ONLY the reply items it
- * wants to send back.
- */
- if (result < 0) {
- RDEBUG2("Failed to authenticate the user");
- request->reply->code = FR_CODE_ACCESS_REJECT;
-
- if (request->password) {
- VP_VERIFY(request->password);
- /* double check: maybe the secret is wrong? */
- if ((rad_debug_lvl > 1) && (request->password->da->attr == FR_USER_PASSWORD)) {
- uint8_t const *p;
-
- p = (uint8_t const *) request->password->vp_strvalue;
- while (*p) {
- int size;
-
- size = fr_utf8_char(p, -1);
- if (!size) {
- RWDEBUG("Unprintable characters in the password. Double-check the "
- "shared secret on the server and the NAS!");
- break;
- }
- p += size;
- }
- }
- }
- }
-
- /*
- * Result should be >= 0 here - if not, it means the user
- * is rejected, so we just process post-auth and return.
- */
- if (result < 0) {
- return RLM_MODULE_REJECT;
- }
-
- /*
- * Set the reply to Access-Accept, if it hasn't already
- * been set to something. (i.e. Access-Challenge)
- */
- if (request->reply->code == 0) request->reply->code = FR_CODE_ACCESS_ACCEPT;
-
- return rcode;
-}
-
-#include <freeradius-devel/io/listen.h>
static rlm_rcode_t virtual_server_async(REQUEST *request, bool parent)
{
*/
rlm_rcode_t rad_virtual_server(REQUEST *request)
{
- int rcode;
VALUE_PAIR *vp;
RDEBUG("Virtual server %s received request", cf_section_name2(request->server_cs));
skip:
if (request->async) return virtual_server_async(request, false);
- if (request->parent && request->parent->async) return virtual_server_async(request, true);
-
- RDEBUG("server %s {", cf_section_name2(request->server_cs));
-
- RINDENT();
-
- /*
- * We currently only handle AUTH packets here.
- * This could be expanded to handle other packets as well if required.
- */
- rad_assert(request->packet->code == FR_CODE_ACCESS_REQUEST);
-
- rcode = rad_authenticate(request);
-
- if (request->reply->code == FR_CODE_ACCESS_REJECT) {
- fr_pair_delete_by_child_num(&request->control, fr_dict_root(fr_dict_internal), FR_POST_AUTH_TYPE, TAG_ANY);
-
- MEM(vp = fr_pair_afrom_child_num(request, fr_dict_root(fr_dict_internal), FR_POST_AUTH_TYPE));
- fr_pair_value_from_str(vp, "Reject", -1, '\0', false);
- fr_pair_add(&request->control, vp);
-
- rad_postauth(request);
- }
-
- if (request->reply->code == FR_CODE_ACCESS_ACCEPT) {
- (void) rad_postauth(request);
- }
-
- REXDENT();
- RDEBUG("} # server %s", cf_section_name2(request->server_cs));
-
- RDEBUG("Virtual server sending reply");
- log_request_pair_list(L_DBG_LVL_1, request, request->reply->vps, NULL);
-
- return rcode;
+ return virtual_server_async(request, true);
}
/*
projects / thirdparty / freeradius-server.git / commitdiff
