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Allow setting additional tickets in the tgs-req

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@17628 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2006-06-06 21:22:54 +00:00
parent 619970dbd8
commit 390dc0d2ab
1 changed files with 67 additions and 25 deletions
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92
lib/krb5/get_cred.c
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@@ -397,6 +397,7 @@ get_cred_kdc_usage(krb5_context context,
krb5_creds *in_creds,
krb5_creds *krbtgt,
krb5_principal impersonate_principal,
Ticket *second_ticket,
krb5_creds *out_creds,
krb5_key_usage usage)
{
@@ -409,7 +410,7 @@ get_cred_kdc_usage(krb5_context context,
unsigned nonce;
krb5_keyblock *subkey = NULL;
size_t len;
Ticket second_ticket;
Ticket second_ticket_data;
int send_to_kdc_flags = 0;
METHOD_DATA padata;
@@ -421,12 +422,13 @@ get_cred_kdc_usage(krb5_context context,
krb5_generate_random_block(&nonce, sizeof(nonce));
nonce &= 0xffffffff;
if(flags.b.enc_tkt_in_skey){
if(flags.b.enc_tkt_in_skey && second_ticket == NULL){
ret = decode_Ticket(in_creds->second_ticket.data,
in_creds->second_ticket.length,
&second_ticket, &len);
&second_ticket_data, &len);
if(ret)
return ret;
second_ticket = &second_ticket_data;
}
@@ -485,7 +487,7 @@ get_cred_kdc_usage(krb5_context context,
id,
addresses,
flags,
flags.b.enc_tkt_in_skey ? &second_ticket : NULL,
second_ticket,
in_creds,
krbtgt,
nonce,
@@ -493,10 +495,6 @@ get_cred_kdc_usage(krb5_context context,
&subkey,
&req,
usage);
if(flags.b.enc_tkt_in_skey) {
free_METHOD_DATA(&padata);
free_Ticket(&second_ticket);
}
if (ret)
goto out;
@@ -567,6 +565,8 @@ again:
}
out:
if (second_ticket == &second_ticket_data)
free_Ticket(&second_ticket_data);
free_METHOD_DATA(&padata);
krb5_data_free(&resp);
krb5_data_free(&enc);
@@ -586,18 +586,19 @@ get_cred_kdc(krb5_context context,
krb5_creds *in_creds,
krb5_creds *krbtgt,
krb5_principal impersonate_principal,
Ticket *second_ticket,
krb5_creds *out_creds)
{
krb5_error_code ret;
ret = get_cred_kdc_usage(context, id, flags, addresses, in_creds,
krbtgt, impersonate_principal, out_creds,
KRB5_KU_TGS_REQ_AUTH);
krbtgt, impersonate_principal, second_ticket,
out_creds, KRB5_KU_TGS_REQ_AUTH);
if (ret == KRB5KRB_AP_ERR_BAD_INTEGRITY) {
krb5_clear_error_string (context);
ret = get_cred_kdc_usage(context, id, flags, addresses, in_creds,
krbtgt, impersonate_principal, out_creds,
KRB5_KU_AP_REQ_AUTH);
krbtgt, impersonate_principal, second_ticket,
out_creds, KRB5_KU_AP_REQ_AUTH);
}
return ret;
}
@@ -607,7 +608,8 @@ get_cred_kdc(krb5_context context,
static krb5_error_code
get_cred_kdc_la(krb5_context context, krb5_ccache id, krb5_kdc_flags flags,
krb5_creds *in_creds, krb5_creds *krbtgt,
krb5_principal impersonate_principal, krb5_creds *out_creds)
krb5_principal impersonate_principal, Ticket *second_ticket,
krb5_creds *out_creds)
{
krb5_error_code ret;
krb5_addresses addresses, *addrs = &addresses;
@@ -617,7 +619,8 @@ get_cred_kdc_la(krb5_context context, krb5_ccache id, krb5_kdc_flags flags,
if(addresses.len == 0)
addrs = NULL;
ret = get_cred_kdc(context, id, flags, addrs,
in_creds, krbtgt, impersonate_principal, out_creds);
in_creds, krbtgt, impersonate_principal, second_ticket,
out_creds);
krb5_free_addresses(context, &addresses);
return ret;
}
@@ -649,7 +652,7 @@ krb5_get_kdc_cred(krb5_context context,
return ret;
}
ret = get_cred_kdc(context, id, flags, addresses,
in_creds, krbtgt, NULL, *out_creds);
in_creds, krbtgt, NULL, NULL, *out_creds);
krb5_free_creds (context, krbtgt);
if(ret)
free(*out_creds);
@@ -735,6 +738,7 @@ get_cred_from_kdc_flags(krb5_context context,
krb5_ccache ccache,
krb5_creds *in_creds,
krb5_principal impersonate_principal,
Ticket *second_ticket,
krb5_creds **out_creds,
krb5_creds ***ret_tgts)
{
@@ -793,11 +797,15 @@ get_cred_from_kdc_flags(krb5_context context,
if (noaddr)
ret = get_cred_kdc(context, ccache, flags, NULL,
in_creds, &tgts,
impersonate_principal, *out_creds);
impersonate_principal,
second_ticket,
*out_creds);
else
ret = get_cred_kdc_la(context, ccache, flags,
in_creds, &tgts,
impersonate_principal, *out_creds);
impersonate_principal,
second_ticket,
*out_creds);
if (ret) {
free (*out_creds);
*out_creds = NULL;
@@ -818,7 +826,7 @@ get_cred_from_kdc_flags(krb5_context context,
heim_general_string tgt_inst;
ret = get_cred_from_kdc_flags(context, flags, ccache, &tmp_creds,
NULL, &tgt, ret_tgts);
NULL, NULL, &tgt, ret_tgts);
if(ret) {
krb5_free_principal(context, tmp_creds.server);
krb5_free_principal(context, tmp_creds.client);
@@ -863,10 +871,12 @@ get_cred_from_kdc_flags(krb5_context context,
&noaddr);
if (noaddr)
ret = get_cred_kdc (context, ccache, flags, NULL,
in_creds, tgt, NULL, *out_creds);
in_creds, tgt, NULL, NULL,
*out_creds);
else
ret = get_cred_kdc_la(context, ccache, flags,
in_creds, tgt, NULL, *out_creds);
in_creds, tgt, NULL, NULL,
*out_creds);
if (ret) {
free (*out_creds);
*out_creds = NULL;
@@ -887,7 +897,8 @@ krb5_get_cred_from_kdc_opt(krb5_context context,
krb5_kdc_flags f;
f.i = flags;
return get_cred_from_kdc_flags(context, f, ccache,
in_creds, NULL, out_creds, ret_tgts);
in_creds, NULL, NULL,
out_creds, ret_tgts);
}
krb5_error_code KRB5_LIB_FUNCTION
@@ -971,7 +982,7 @@ krb5_get_credentials_with_flags(krb5_context context,
tgts = NULL;
ret = get_cred_from_kdc_flags(context, flags, ccache,
in_creds, NULL, out_creds, &tgts);
in_creds, NULL, NULL, out_creds, &tgts);
for(i = 0; tgts && tgts[i]; i++) {
krb5_cc_store_cred(context, ccache, tgts[i]);
krb5_free_creds(context, tgts[i]);
@@ -999,6 +1010,7 @@ struct krb5_get_creds_opt_data {
krb5_principal self;
krb5_flags options;
krb5_enctype enctype;
Ticket *ticket;
};
@@ -1038,7 +1050,6 @@ krb5_get_creds_opt_add_options(krb5_context context,
opt->options |= options;
}
void KRB5_LIB_FUNCTION
krb5_get_creds_opt_set_enctype(krb5_context context,
krb5_get_creds_opt opt,
@@ -1047,7 +1058,6 @@ krb5_get_creds_opt_set_enctype(krb5_context context,
opt->enctype = enctype;
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_get_creds_opt_set_impersonate(krb5_context context,
krb5_get_creds_opt opt,
@@ -1058,6 +1068,37 @@ krb5_get_creds_opt_set_impersonate(krb5_context context,
return krb5_copy_principal(context, self, &opt->self);
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_get_creds_opt_set_ticket(krb5_context context,
krb5_get_creds_opt opt,
const Ticket *ticket)
{
if (opt->ticket) {
free_Ticket(opt->ticket);
free(opt->ticket);
opt->ticket = NULL;
}
if (ticket) {
krb5_error_code ret;
opt->ticket = malloc(sizeof(*ticket));
if (opt->ticket == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
ret = copy_Ticket(ticket, opt->ticket);
if (ret) {
free(opt->ticket);
opt->ticket = NULL;
krb5_set_error_string(context, "malloc: out of memory");
return ret;
}
}
return 0;
}
krb5_error_code KRB5_LIB_FUNCTION
krb5_get_creds(krb5_context context,
krb5_get_creds_opt opt,
@@ -1149,7 +1190,8 @@ krb5_get_creds(krb5_context context,
tgts = NULL;
ret = get_cred_from_kdc_flags(context, flags, ccache,
&in_creds, opt->self, out_creds, &tgts);
&in_creds, opt->self, opt->ticket,
out_creds, &tgts);
krb5_free_principal(context, in_creds.client);
for(i = 0; tgts && tgts[i]; i++) {
krb5_cc_store_cred(context, ccache, tgts[i]);