2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
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34 #include "krb5_locl.h"
36 RCSID("$Id: ticket.c 19544 2006-12-28 20:49:18Z lha $");
38 krb5_error_code KRB5_LIB_FUNCTION
39 krb5_free_ticket(krb5_context context,
42 free_EncTicketPart(&ticket->ticket);
43 krb5_free_principal(context, ticket->client);
44 krb5_free_principal(context, ticket->server);
49 krb5_error_code KRB5_LIB_FUNCTION
50 krb5_copy_ticket(krb5_context context,
51 const krb5_ticket *from,
58 tmp = malloc(sizeof(*tmp));
60 krb5_set_error_string (context, "malloc: out of memory");
63 if((ret = copy_EncTicketPart(&from->ticket, &tmp->ticket))){
67 ret = krb5_copy_principal(context, from->client, &tmp->client);
69 free_EncTicketPart(&tmp->ticket);
73 ret = krb5_copy_principal(context, from->server, &tmp->server);
75 krb5_free_principal(context, tmp->client);
76 free_EncTicketPart(&tmp->ticket);
84 krb5_error_code KRB5_LIB_FUNCTION
85 krb5_ticket_get_client(krb5_context context,
86 const krb5_ticket *ticket,
87 krb5_principal *client)
89 return krb5_copy_principal(context, ticket->client, client);
92 krb5_error_code KRB5_LIB_FUNCTION
93 krb5_ticket_get_server(krb5_context context,
94 const krb5_ticket *ticket,
95 krb5_principal *server)
97 return krb5_copy_principal(context, ticket->server, server);
100 time_t KRB5_LIB_FUNCTION
101 krb5_ticket_get_endtime(krb5_context context,
102 const krb5_ticket *ticket)
104 return ticket->ticket.endtime;
108 find_type_in_ad(krb5_context context,
113 krb5_keyblock *sessionkey,
114 const AuthorizationData *ad,
117 krb5_error_code ret = 0;
121 krb5_set_error_string(context, "Authorization data nested deeper "
122 "then %d levels, stop searching", level);
123 ret = ENOENT; /* XXX */
128 * Only copy out the element the first time we get to it, we need
129 * to run over the whole authorization data fields to check if
130 * there are any container clases we need to care about.
132 for (i = 0; i < ad->len; i++) {
133 if (!*found && ad->val[i].ad_type == type) {
134 ret = der_copy_octet_string(&ad->val[i].ad_data, data);
136 krb5_set_error_string(context, "malloc - out of memory");
142 switch (ad->val[i].ad_type) {
143 case KRB5_AUTHDATA_IF_RELEVANT: {
144 AuthorizationData child;
145 ret = decode_AuthorizationData(ad->val[i].ad_data.data,
146 ad->val[i].ad_data.length,
150 krb5_set_error_string(context, "Failed to decode "
151 "IF_RELEVANT with %d", ret);
154 ret = find_type_in_ad(context, type, data, found, FALSE,
155 sessionkey, &child, level + 1);
156 free_AuthorizationData(&child);
162 case KRB5_AUTHDATA_KDC_ISSUED: {
165 ret = decode_AD_KDCIssued(ad->val[i].ad_data.data,
166 ad->val[i].ad_data.length,
170 krb5_set_error_string(context, "Failed to decode "
171 "AD_KDCIssued with %d", ret);
179 ASN1_MALLOC_ENCODE(AuthorizationData, buf.data, buf.length,
180 &child.elements, &len, ret);
182 free_AD_KDCIssued(&child);
183 krb5_clear_error_string(context);
186 if(buf.length != len)
187 krb5_abortx(context, "internal error in ASN.1 encoder");
189 ret = krb5_c_verify_checksum(context, sessionkey, 19, &buf,
190 &child.ad_checksum, &valid);
191 krb5_data_free(&buf);
193 free_AD_KDCIssued(&child);
197 krb5_clear_error_string(context);
199 free_AD_KDCIssued(&child);
203 ret = find_type_in_ad(context, type, data, found, failp, sessionkey,
204 &child.elements, level + 1);
205 free_AD_KDCIssued(&child);
211 case KRB5_AUTHDATA_AND_OR:
214 krb5_set_error_string(context, "Authorization data contains "
215 "AND-OR element that is unknown to the "
217 ret = ENOENT; /* XXX */
222 krb5_set_error_string(context, "Authorization data contains "
223 "unknown type (%d) ", ad->val[i].ad_type);
224 ret = ENOENT; /* XXX */
231 krb5_data_free(data);
239 * Extract the authorization data type of `type' from the
240 * 'ticket'. Store the field in `data'. This function is to use for
241 * kerberos applications.
244 krb5_error_code KRB5_LIB_FUNCTION
245 krb5_ticket_get_authorization_data_type(krb5_context context,
250 AuthorizationData *ad;
252 krb5_boolean found = FALSE;
254 krb5_data_zero(data);
256 ad = ticket->ticket.authorization_data;
257 if (ticket->ticket.authorization_data == NULL) {
258 krb5_set_error_string(context, "Ticket have not authorization data");
259 return ENOENT; /* XXX */
262 ret = find_type_in_ad(context, type, data, &found, TRUE,
263 &ticket->ticket.key, ad, 0);
267 krb5_set_error_string(context, "Ticket have not authorization "
268 "data of type %d", type);
269 return ENOENT; /* XXX */