675 lines
19 KiB
INI
675 lines
19 KiB
INI
# ldap.cnf
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# LDAP conformation file
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# Copyright 2005 Anders Broman
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# $Id$
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#.PDU
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LDAPMessage
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#.TYPE_RENAME
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BindResponse/resultCode BindResponse_resultCode
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ExtendedResponse/resultCode ExtendedResponse_resultCode
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ModifyRequest/modification ModifyRequest_modification
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#.FIELD_RENAME
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BindResponse/resultCode bindResponse_resultCode
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ExtendedResponse/resultCode extendedResponse_resultCode
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SearchRequest/attributes searchRequest_attributes
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SearchResultEntry/attributes searchResultEntry_attributes
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ModifyRequest/modification modifyRequest_modification
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SubstringFilter/substrings substringFilter_substrings
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#.TYPE_ATTR
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LDAPString TYPE = FT_STRING DISPLAY = BASE_NONE STRINGS = NULL
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LDAPURL TYPE = FT_STRING DISPLAY = BASE_NONE STRINGS = NULL
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LDAPOID TYPE = FT_STRING DISPLAY = BASE_NONE STRINGS = NULL
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Mechanism TYPE = FT_STRING DISPLAY = BASE_NONE STRINGS = NULL
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AssertionValue TYPE = FT_STRING DISPLAY = BASE_NONE STRINGS = NULL
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#.REGISTER
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SearchControlValue B "1.2.840.113556.1.4.319" "pagedResultsControl"
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SortKeyList B "1.2.840.113556.1.4.473" "sortKeyList"
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SortResult B "1.2.840.113556.1.4.474" "sortResult"
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ReplControlValue B "1.2.840.113556.1.4.841" "replControlValue"
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#.FN_FTR LDAPURL
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PROTO_ITEM_SET_URL(get_ber_last_created_item());
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#.FN_PARS LDAPOID VAL_PTR = ¶meter_tvb
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#.FN_HDR LDAPOID
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tvbuff_t *parameter_tvb;
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const gchar *name;
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proto_item *item = NULL;
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#.FN_FTR LDAPOID
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object_identifier_id = NULL;
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if (!parameter_tvb)
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return offset;
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object_identifier_id = tvb_get_string(parameter_tvb, 0, tvb_length_remaining(parameter_tvb,0));
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name = get_oid_str_name(object_identifier_id);
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if(name){
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item = get_ber_last_created_item();
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proto_item_append_text(item, " (%s)", name);
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proto_item_append_text(tree, " %s", name);
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}
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#.FN_PARS MessageID VAL_PTR = &MessageID
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#.FN_BODY MessageID
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%(DEFAULT_BODY)s
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ldm_tree = tree;
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#.FN_PARS ProtocolOp VAL_PTR = &ProtocolOp
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#.FN_HDR ProtocolOp
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ldap_call_response_t *lcrp;
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ldap_conv_info_t *ldap_info = (ldap_conv_info_t *)pinfo->private_data;
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do_protocolop = TRUE;
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#.FN_FTR ProtocolOp
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lcrp=ldap_match_call_response(tvb, pinfo, tree, MessageID, ProtocolOp);
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if(lcrp){
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tap_queue_packet(ldap_tap, pinfo, lcrp);
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}
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/* XXX: the count will not work if the results span multiple TCP packets */
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if(ldap_info && tree) { /* only count once - on tree pass */
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switch(ProtocolOp) {
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case LDAP_RES_SEARCH_ENTRY:
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ldap_info->num_results++;
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proto_item_append_text(tree, " [%d result%s]",
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ldap_info->num_results, ldap_info->num_results == 1 ? "" : "s");
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break;
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case LDAP_RES_SEARCH_RESULT:
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if (check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, " [%d result%s]",
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ldap_info->num_results, ldap_info->num_results == 1 ? "" : "s");
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proto_item_append_text(tree, " [%d result%s]",
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ldap_info->num_results, ldap_info->num_results == 1 ? "" : "s");
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ldap_info->num_results = 0;
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break;
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default:
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break;
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}
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}
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#.FN_BODY Simple
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ldap_conv_info_t *ldap_info;
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%(DEFAULT_BODY)s
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ldap_info = pinfo->private_data;
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ldap_info->auth_type = LDAP_AUTH_SIMPLE;
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pinfo->private_data = ldap_info;
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#.FN_PARS Mechanism VAL_PTR = ¶meter_tvb
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#.FN_BODY Mechanism
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ldap_conv_info_t *ldap_info;
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tvbuff_t *parameter_tvb;
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char *mechanism = NULL;
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%(DEFAULT_BODY)s
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ldap_info = pinfo->private_data;
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ldap_info->auth_type = LDAP_AUTH_SASL;
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if (!parameter_tvb)
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return offset;
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/*
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* We need to remember the authentication type and mechanism for this
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* conversation.
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*
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* XXX - actually, we might need to remember more than one
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* type and mechanism, if you can unbind and rebind with a
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* different type and/or mechanism.
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*/
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mechanism = tvb_get_string(parameter_tvb, 0, tvb_length_remaining(parameter_tvb,0));
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ldap_info->first_auth_frame = 0; /* not known until we see the bind reply */
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/*
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* If the mechanism in this request is an empty string (which is
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* returned as a null pointer), use the saved mechanism instead.
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* Otherwise, if the saved mechanism is an empty string (null),
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* save this mechanism.
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*/
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if (mechanism == NULL)
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mechanism = ldap_info->auth_mech;
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else {
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if (ldap_info->auth_mech == NULL) {
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g_free(ldap_info->auth_mech);
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}
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ldap_info->auth_mech = mechanism;
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}
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pinfo->private_data = ldap_info;
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#.FN_PARS Credentials VAL_PTR = ¶meter_tvb
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#.FN_BODY Credentials
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tvbuff_t *parameter_tvb;
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ldap_conv_info_t *ldap_info;
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%(DEFAULT_BODY)s
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if (!parameter_tvb)
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return offset;
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ldap_info = pinfo->private_data;
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if (ldap_info->auth_mech != NULL && strcmp(ldap_info->auth_mech, "GSS-SPNEGO") == 0) {
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/*
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* This is a GSS-API token ancapsulated within GSS-SPNEGO.
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*/
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if (parameter_tvb)
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call_dissector(gssapi_handle, parameter_tvb, pinfo, tree);
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} else if (ldap_info->auth_mech != NULL && strcmp(ldap_info->auth_mech, "GSSAPI") == 0) {
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/*
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* This is a raw GSS-API token.
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*/
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if (parameter_tvb)
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call_dissector(gssapi_handle, parameter_tvb, pinfo, tree);
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}
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pinfo->private_data = ldap_info;
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#.FN_PARS ServerSaslCreds VAL_PTR = ¶meter_tvb
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#.FN_BODY ServerSaslCreds
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tvbuff_t *parameter_tvb;
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ldap_conv_info_t *ldap_info;
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%(DEFAULT_BODY)s
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if (!parameter_tvb)
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return offset;
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ldap_info = pinfo->private_data;
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switch (ldap_info->auth_type) {
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/* For Kerberos V4, dissect it as a ticket. */
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/* XXX - what about LDAP_AUTH_SIMPLE? */
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case LDAP_AUTH_SASL:
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/*
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* All frames after this are assumed to use a security layer.
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*
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* XXX - won't work if there's another reply, with the security
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* layer, starting in the same TCP segment that ends this
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* reply, but as LDAP is a request/response protocol, and
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* as the client probably can't start using authentication until
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* it gets the bind reply and the server won't send a reply until
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* it gets a request, that probably won't happen.
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*
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* XXX - that assumption is invalid; it's not clear where the
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* hell you find out whether there's any security layer. In
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* one capture, we have two GSS-SPNEGO negotiations, both of
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* which select MS KRB5, and the only differences in the tokens
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* is in the RC4-HMAC ciphertext. The various
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* draft-ietf--cat-sasl-gssapi-NN.txt drafts seem to imply
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* that the RFC 2222 spoo with the bitmask and maximum
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* output message size stuff is done - but where does that
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* stuff show up? Is it in the ciphertext, which means it's
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* presumably encrypted?
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*
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* Grrr. We have to do a gross heuristic, checking whether the
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* putative LDAP message begins with 0x00 or not, making the
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* assumption that we won't have more than 2^24 bytes of
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* encapsulated stuff.
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*/
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ldap_info->first_auth_frame = pinfo->fd->num + 1;
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if (ldap_info->auth_mech != NULL &&
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strcmp(ldap_info->auth_mech, "GSS-SPNEGO") == 0) {
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/*
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* This is a GSS-API token.
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*/
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call_dissector(gssapi_handle, parameter_tvb, pinfo, tree);
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} else if (ldap_info->auth_mech != NULL &&
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strcmp(ldap_info->auth_mech, "GSSAPI") == 0) {
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/*
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* This is a GSS-API token.
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*/
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call_dissector(gssapi_handle, parameter_tvb, pinfo, tree);
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}
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break;
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}
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pinfo->private_data = ldap_info;
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#.FN_PARS LDAPString VAL_PTR = ¶meter_tvb
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#.FN_BODY LDAPString
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tvbuff_t *parameter_tvb = NULL;
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char *ldapstring;
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gchar *sc = NULL; /* semi-colon pointer */
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%(DEFAULT_BODY)s
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if (parameter_tvb || (hf_index == hf_ldap_baseObject)) {
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ldap_do_protocolop(pinfo);
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if(parameter_tvb)
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ldapstring = tvb_get_ephemeral_string(parameter_tvb, 0, tvb_length_remaining(parameter_tvb, 0));
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else
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ldapstring = "<ROOT>";
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if(hf_index == hf_ldap_baseObject) {
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/* this is search - put it on the scanline */
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if(check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, "\"%%s\" ", ldapstring);
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if(ldm_tree)
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proto_item_append_text(ldm_tree, " \"%%s\"", ldapstring);
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if(!parameter_tvb) {
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proto_item_append_text(ber_last_created_item, " (%%s)", ldapstring);
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}
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} else if ((hf_index == hf_ldap_errorMessage) && result) { /* only show message if not success */
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if(check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, "(%%s) ", ldapstring);
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if(ldm_tree)
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proto_item_append_text(ldm_tree, " (%%s)", ldapstring);
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} else if (hf_index == hf_ldap_objectName) {
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if(check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, "\"%%s\" ", ldapstring);
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if(ldm_tree)
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proto_item_append_text(ldm_tree, " \"%%s\"", ldapstring);
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} else if (hf_index == hf_ldap_attributeDesc){
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/* remember the attribute description */
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attributedesc_string=ldapstring;
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} else if (hf_index == hf_ldap_initial){
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/* remember the substring item */
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substring_item_init=ldapstring;
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} else if (hf_index == hf_ldap_any){
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/* remember the substring item */
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substring_item_any=ldapstring;
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} else if (hf_index == hf_ldap_final){
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/* remember the substring item */
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substring_item_final=ldapstring;
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} else if (hf_index == hf_ldap_matchingRule){
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/* remember the matching rule */
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matching_rule_string=ldapstring;
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} else if (hf_index == hf_ldap_present){
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/* remember the present name */
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Filter_string=ldapstring;
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} else if (hf_index == hf_ldap_type) {
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/* remember attribute type name */
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attr_type = ep_strdup(ldapstring);
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/* append it to the parent entry */
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proto_item_append_text(tree, " %%s", attr_type);
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/* remove the ";binary" component if present */
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if((sc = strchr(attr_type, ';')) != NULL) {
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if(!strcmp(sc, ";binary")) {
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*sc = '\0'; /* terminate the string */
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is_binary_attr_type = TRUE;
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}
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} else {
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is_binary_attr_type = FALSE;
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}
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}
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}
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#.FN_PARS T_scope VAL_PTR = &scope
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#.FN_BODY T_scope
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gint scope;
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const gchar *valstr;
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%(DEFAULT_BODY)s
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ldap_do_protocolop(pinfo);
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valstr = val_to_str(scope, ldap_T_scope_vals, "Unknown scope(%%u)");
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if (check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, "%%s ", valstr);
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if(ldm_tree)
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proto_item_append_text(ldm_tree, " %%s", valstr);
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#.FN_PARS T_resultCode VAL_PTR = &result
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#.FN_BODY T_resultCode
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const gchar *valstr;
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%(DEFAULT_BODY)s
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ldap_do_protocolop(pinfo);
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if(result) {
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valstr = val_to_str(result, ldap_T_resultCode_vals, "Unknown result(%%u)");
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if (check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, "%%s ", valstr);
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if(ldm_tree)
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proto_item_append_text(ldm_tree, " %%s", valstr);
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}
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#.FN_PARS BindResponse_resultCode VAL_PTR = &result
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#.FN_BODY BindResponse_resultCode
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const gchar *valstr;
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%(DEFAULT_BODY)s
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ldap_do_protocolop(pinfo);
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if(result) {
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valstr = val_to_str(result, ldap_BindResponse_resultCode_vals, "Unknown result(%%u)");
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if (check_col(pinfo->cinfo, COL_INFO))
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col_append_fstr(pinfo->cinfo, COL_INFO, "%%s ", valstr);
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if(ldm_tree)
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proto_item_append_text(ldm_tree, " %%s", valstr);
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}
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#.FN_BODY AttributeValue
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tvbuff_t *next_tvb;
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gchar *string;
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guint32 i, len;
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proto_item *pi;
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int old_offset = offset;
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/* extract the value of the octetstring */
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offset = dissect_ber_octet_string(FALSE, pinfo, NULL, tvb, offset, hf_index, &next_tvb);
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/* if we have an attribute type that isn't binary see if there is a better dissector */
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if(!attr_type || !dissector_try_string(ldap_name_dissector_table, attr_type, next_tvb, pinfo, tree)) {
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offset = old_offset;
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/* do the default thing */
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%(DEFAULT_BODY)s
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}
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len = tvb_length_remaining(next_tvb, 0);
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for(i = 0; i < len; i++)
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if(!g_ascii_isprint(tvb_get_guint8(next_tvb, i)))
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break;
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if(i == len) {
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string = tvb_get_string(next_tvb, 0, tvb_length_remaining(next_tvb, 0));
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pi = get_ber_last_created_item();
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proto_item_set_text(pi, "%%s", string);
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}
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#.FN_PARS AuthenticationChoice VAL_PTR = &branch
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#.FN_BODY AuthenticationChoice
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gint branch = -1;
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gint auth = -1;
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const gchar *valstr;
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%(DEFAULT_BODY)s
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ldap_do_protocolop(pinfo);
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if((branch > -1) && (branch < (gint)(sizeof AuthenticationChoice_choice/sizeof AuthenticationChoice_choice[0])))
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auth = AuthenticationChoice_choice[branch].value;
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valstr = val_to_str(auth, ldap_AuthenticationChoice_vals, "Unknown auth(%%u)");
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/* If auth is NTLM (10 or 11) don't add to column as the NTLM dissection will do this */
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if (check_col(pinfo->cinfo, COL_INFO) && (auth != 10) && (auth != 11))
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col_append_fstr(pinfo->cinfo, COL_INFO, "%%s ", valstr);
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if(ldm_tree)
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proto_item_append_text(ldm_tree, " %%s", valstr);
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#.FN_BODY UnbindRequest
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implicit_tag = TRUE; /* correct problem with asn2wrs */
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%(DEFAULT_BODY)s
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ldap_do_protocolop(pinfo);
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#.FN_HDR SearchRequest/filter
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Filter_string=NULL;
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#.FN_FTR SearchRequest/filter
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Filter_string=NULL;
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and_filter_string=NULL;
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#.FN_FTR Filter/equalityMatch
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Filter_string=ep_strdup_printf("(%s=%s)",attributedesc_string,ldapvalue_string);
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#.FN_FTR Filter/greaterOrEqual
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Filter_string=ep_strdup_printf("(%s>=%s)",attributedesc_string,ldapvalue_string);
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#.FN_FTR Filter/lessOrEqual
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Filter_string=ep_strdup_printf("(%s<=%s)",attributedesc_string,ldapvalue_string);
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#.FN_FTR Filter/approxMatch
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Filter_string=ep_strdup_printf("(%s~=%s)",attributedesc_string,ldapvalue_string);
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#.FN_FTR Filter/and/_item
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if(and_filter_string){
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and_filter_string=ep_strdup_printf("(&%s%s)",and_filter_string,Filter_string);
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} else {
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and_filter_string=Filter_string;
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}
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#.FN_BODY Filter/and
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const ber_sequence_t and_set_of[1] = { { BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_and_item },
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};
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proto_tree *tr=NULL;
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proto_item *it=NULL;
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char *old_and_filter_string=and_filter_string;
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and_filter_string=NULL;
|
|
if(tree){
|
|
it=proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset), "and: ");
|
|
tr=proto_item_add_subtree(it, ett_ldap_T_and);
|
|
}
|
|
offset = dissect_ber_set_of(implicit_tag, pinfo, tr, tvb, offset,
|
|
and_set_of, -1, ett_ldap_T_and);
|
|
|
|
proto_item_append_text(it, "%%s", and_filter_string);
|
|
Filter_string=ep_strdup_printf("%%s",and_filter_string);
|
|
and_filter_string=old_and_filter_string;
|
|
|
|
#.FN_FTR Filter/or/_item
|
|
if(or_filter_string){
|
|
or_filter_string=ep_strdup_printf("(|%s%s)",or_filter_string,Filter_string);
|
|
} else {
|
|
or_filter_string=Filter_string;
|
|
}
|
|
|
|
|
|
#.FN_BODY Filter/or
|
|
const ber_sequence_t or_set_of[1] = { { BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_or_item },
|
|
};
|
|
proto_tree *tr=NULL;
|
|
proto_item *it=NULL;
|
|
char *old_or_filter_string=or_filter_string;
|
|
|
|
or_filter_string=NULL;
|
|
if(tree){
|
|
it=proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset), "or: ");
|
|
tr=proto_item_add_subtree(it, ett_ldap_T_or);
|
|
}
|
|
offset = dissect_ber_set_of(implicit_tag, pinfo, tr, tvb, offset,
|
|
or_set_of, -1, ett_ldap_T_or);
|
|
|
|
proto_item_append_text(it, "%%s", or_filter_string);
|
|
Filter_string=ep_strdup_printf("%%s",or_filter_string);
|
|
or_filter_string=old_or_filter_string;
|
|
|
|
#.FN_FTR Filter/present
|
|
Filter_string=ep_strdup_printf("(%s=*)",Filter_string);
|
|
|
|
#.FN_FTR Filter/not
|
|
Filter_string=ep_strdup_printf("(!%s)",Filter_string);
|
|
|
|
#.FN_BODY BOOLEAN
|
|
gboolean val;
|
|
|
|
offset = dissect_ber_boolean_value(implicit_tag, pinfo, tree, tvb, offset, hf_index, &val);
|
|
|
|
if (hf_index == hf_ldap_dnAttributes) {
|
|
matching_rule_dnattr = val;
|
|
}
|
|
|
|
#.FN_HDR Filter/extensibleMatch
|
|
attr_type=NULL;
|
|
matching_rule_string=NULL;
|
|
ldapvalue_string=NULL;
|
|
matching_rule_dnattr=FALSE;
|
|
|
|
#.FN_FTR Filter/extensibleMatch
|
|
Filter_string=ep_strdup_printf("(%s:%s%s%s=%s)",
|
|
(attr_type?attr_type:""),
|
|
(matching_rule_dnattr?"dn:":""),
|
|
(matching_rule_string?matching_rule_string:""),
|
|
(matching_rule_string?":":""),
|
|
ldapvalue_string);
|
|
|
|
#.FN_FTR SubstringFilter/substrings/_item
|
|
if (substring_item_final) {
|
|
substring_value=ep_strdup_printf("%s%s",
|
|
(substring_value?substring_value:"*"),
|
|
substring_item_final);
|
|
} else if (substring_item_any) {
|
|
substring_value=ep_strdup_printf("%s%s*",
|
|
(substring_value?substring_value:"*"),
|
|
substring_item_any);
|
|
} else if (substring_item_init) {
|
|
substring_value=ep_strdup_printf("%s*",
|
|
substring_item_init);
|
|
}
|
|
|
|
#.FN_BODY SubstringFilter
|
|
proto_tree *tr=NULL;
|
|
proto_item *it=NULL;
|
|
char *old_substring_value=substring_value;
|
|
|
|
substring_value=NULL;
|
|
substring_item_init=NULL;
|
|
substring_item_any=NULL;
|
|
substring_item_final=NULL;
|
|
if(tree){
|
|
it=proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset), "substring: ");
|
|
tr=proto_item_add_subtree(it, ett_ldap_SubstringFilter);
|
|
}
|
|
offset = dissect_ber_sequence(implicit_tag, pinfo, tr, tvb, offset,
|
|
SubstringFilter_sequence, hf_index,
|
|
ett_ldap_SubstringFilter);
|
|
|
|
Filter_string=ep_strdup_printf("(%%s=%%s)",attr_type,substring_value);
|
|
proto_item_append_text(it, "%%s", Filter_string);
|
|
substring_value=old_substring_value;
|
|
|
|
#.FN_BODY Filter
|
|
proto_tree *tr=NULL;
|
|
proto_item *it=NULL;
|
|
|
|
if(tree){
|
|
it=proto_tree_add_text(tree, tvb, offset, tvb_length_remaining(tvb, offset), "Filter: ");
|
|
tr=proto_item_add_subtree(it, ett_ldap_Filter);
|
|
}
|
|
offset = dissect_ber_choice(pinfo, tr, tvb, offset,
|
|
Filter_choice, -1, ett_ldap_Filter,
|
|
NULL);
|
|
|
|
proto_item_append_text(it, "%%s", Filter_string);
|
|
|
|
#.FN_BODY AuthenticationChoice/ntlmsspNegotiate
|
|
/* make sure the protocol op comes first */
|
|
ldap_do_protocolop(pinfo);
|
|
|
|
call_dissector(ntlmssp_handle, tvb, pinfo, tree);
|
|
offset+=tvb_length_remaining(tvb, offset);
|
|
|
|
#.FN_BODY AuthenticationChoice/ntlmsspAuth
|
|
/* make sure the protocol op comes first */
|
|
ldap_do_protocolop(pinfo);
|
|
|
|
call_dissector(ntlmssp_handle, tvb, pinfo, tree);
|
|
offset+=tvb_length_remaining(tvb, offset);
|
|
|
|
#.FN_BODY BindResponse/matchedDN
|
|
tvbuff_t *new_tvb=NULL;
|
|
|
|
offset = dissect_ber_octet_string(FALSE, pinfo, tree, tvb, offset, hf_ldap_matchedDN, &new_tvb);
|
|
|
|
if( new_tvb
|
|
&& (tvb_length(new_tvb)>=7)
|
|
&& (!tvb_memeql(new_tvb, 0, "NTLMSSP", 7))){
|
|
|
|
/* make sure the protocol op comes first */
|
|
ldap_do_protocolop(pinfo);
|
|
|
|
call_dissector(ntlmssp_handle, new_tvb, pinfo, tree);
|
|
}
|
|
return offset;
|
|
|
|
#.FN_BODY Control/controlValue
|
|
gint8 class;
|
|
gboolean pc, ind;
|
|
gint32 tag;
|
|
guint32 len;
|
|
|
|
if((object_identifier_id != NULL) && oid_has_dissector(object_identifier_id)) {
|
|
/* remove the OCTET STRING encoding */
|
|
offset=dissect_ber_identifier(pinfo, NULL, tvb, offset, &class, &pc, &tag);
|
|
offset=dissect_ber_length(pinfo, NULL, tvb, offset, &len, &ind);
|
|
|
|
call_ber_oid_callback(object_identifier_id, tvb, offset, pinfo, tree);
|
|
|
|
offset += len;
|
|
} else {
|
|
%(DEFAULT_BODY)s
|
|
}
|
|
|
|
#.NO_EMIT
|
|
AttributeType
|
|
Attribute
|
|
AssertionValue
|