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 23310 2008-06-23 03:30:49Z 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_message(context, ENOMEM, "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 ret = ENOENT; /* XXX */
122 krb5_set_error_message(context, ret,
123 "Authorization data nested deeper "
124 "then %d levels, stop searching", level);
129 * Only copy out the element the first time we get to it, we need
130 * to run over the whole authorization data fields to check if
131 * there are any container clases we need to care about.
133 for (i = 0; i < ad->len; i++) {
134 if (!*found && ad->val[i].ad_type == type) {
135 ret = der_copy_octet_string(&ad->val[i].ad_data, data);
137 krb5_set_error_message(context, ret, "malloc: out of memory");
143 switch (ad->val[i].ad_type) {
144 case KRB5_AUTHDATA_IF_RELEVANT: {
145 AuthorizationData child;
146 ret = decode_AuthorizationData(ad->val[i].ad_data.data,
147 ad->val[i].ad_data.length,
151 krb5_set_error_message(context, ret, "Failed to decode "
152 "IF_RELEVANT with %d", (int)ret);
155 ret = find_type_in_ad(context, type, data, found, FALSE,
156 sessionkey, &child, level + 1);
157 free_AuthorizationData(&child);
163 case KRB5_AUTHDATA_KDC_ISSUED: {
166 ret = decode_AD_KDCIssued(ad->val[i].ad_data.data,
167 ad->val[i].ad_data.length,
171 krb5_set_error_message(context, ret, "Failed to decode "
172 "AD_KDCIssued with %d", ret);
180 ASN1_MALLOC_ENCODE(AuthorizationData, buf.data, buf.length,
181 &child.elements, &len, ret);
183 free_AD_KDCIssued(&child);
184 krb5_clear_error_string(context);
187 if(buf.length != len)
188 krb5_abortx(context, "internal error in ASN.1 encoder");
190 ret = krb5_c_verify_checksum(context, sessionkey, 19, &buf,
191 &child.ad_checksum, &valid);
192 krb5_data_free(&buf);
194 free_AD_KDCIssued(&child);
198 krb5_clear_error_string(context);
200 free_AD_KDCIssued(&child);
204 ret = find_type_in_ad(context, type, data, found, failp, sessionkey,
205 &child.elements, level + 1);
206 free_AD_KDCIssued(&child);
212 case KRB5_AUTHDATA_AND_OR:
215 ret = ENOENT; /* XXX */
216 krb5_set_error_message(context, ret, "Authorization data contains "
217 "AND-OR element that is unknown to the "
223 ret = ENOENT; /* XXX */
224 krb5_set_error_message(context, ret, "Authorization data contains "
225 "unknown type (%d) ", ad->val[i].ad_type);
232 krb5_data_free(data);
240 * Extract the authorization data type of `type' from the
241 * 'ticket'. Store the field in `data'. This function is to use for
242 * kerberos applications.
245 krb5_error_code KRB5_LIB_FUNCTION
246 krb5_ticket_get_authorization_data_type(krb5_context context,
251 AuthorizationData *ad;
253 krb5_boolean found = FALSE;
255 krb5_data_zero(data);
257 ad = ticket->ticket.authorization_data;
258 if (ticket->ticket.authorization_data == NULL) {
259 krb5_set_error_message(context, ENOENT,
260 "Ticket have not authorization data");
261 return ENOENT; /* XXX */
264 ret = find_type_in_ad(context, type, data, &found, TRUE,
265 &ticket->ticket.key, ad, 0);
269 krb5_set_error_message(context, ENOENT, "Ticket have not "
270 "authorization data of type %d", type);
271 return ENOENT; /* XXX */