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split into probe functions

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@24489 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2009-01-26 01:07:52 +00:00
parent a3a2568e95
commit 0c7bd19591
1 changed files with 205 additions and 72 deletions
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277
kdc/process.c
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@@ -34,8 +34,6 @@
#include "kdc_locl.h"
RCSID("$Id$");
/*
*
*/
@@ -49,6 +47,185 @@ krb5_kdc_update_time(struct timeval *tv)
_kdc_now = *tv;
}
static krb5_error_code
kdc_as_req(krb5_context context,
krb5_kdc_configuration *config,
krb5_data *req_buffer,
krb5_data *reply,
const char *from,
struct sockaddr *addr,
int datagram_reply)
{
krb5_error_code ret;
KDC_REQ req;
size_t len;
ret = decode_AS_REQ(req_buffer->data, req_buffer->length, &req, &len);
if (ret)
return ret;
ret = _kdc_as_rep(context, config, &req, req_buffer,
reply, from, addr, datagram_reply);
free_AS_REQ(&req);
return ret;
}
static krb5_error_code
kdc_tgs_req(krb5_context context,
krb5_kdc_configuration *config,
krb5_data *req_buffer,
krb5_data *reply,
const char *from,
struct sockaddr *addr,
int datagram_reply)
{
krb5_error_code ret;
KDC_REQ req;
size_t len;
ret = decode_TGS_REQ(req_buffer->data, req_buffer->length, &req, &len);
if (ret)
return ret;
ret = _kdc_tgs_rep(context, config, &req, reply,
from, addr, datagram_reply);
free_TGS_REQ(&req);
return ret;
}
#ifdef DIGEST
static krb5_error_code
kdc_digest(krb5_context context,
krb5_kdc_configuration *config,
krb5_data *req_buffer,
krb5_data *reply,
const char *from,
struct sockaddr *addr,
int datagram_reply)
{
DigestREQ digestreq;
krb5_error_code ret;
size_t len;
ret = decode_DigestREQ(req_buffer->data, req_buffer->length,
&digestreq, &len);
if (ret)
return ret;
ret = _kdc_do_digest(context, config, &digestreq, reply, from, addr);
free_DigestREQ(&digestreq);
return ret;
}
#endif
#ifdef KX509
static krb5_error_code
kdc_kx509(krb5_context context,
krb5_kdc_configuration *config,
krb5_data *req_buffer,
krb5_data *reply,
const char *from,
struct sockaddr *addr,
int datagram_reply)
{
Kx509Request kx509req;
krb5_error_code ret;
size_t len;
ret = _kdc_try_kx509_request(req_buffer->data, req_buffer->length,
&kx509req, &len);
if (ret)
return ret;
ret = _kdc_do_kx509(context, config, &kx509req, reply, from, addr);
free_Kx509Request(&kx509req);
return ret;
}
#endif
#ifdef KRB4
static krb5_error_code
kdc_524(krb5_context context,
krb5_kdc_configuration *config,
krb5_data *req_buffer,
krb5_data *reply,
const char *from,
struct sockaddr *addr,
int datagram_reply)
{
krb5_error_code ret;
Ticket ticket;
size_t len;
ret = decode_Ticket(req_buffer->data, req_buffer->length, &ticket, &len);
if (ret)
return ret;
ret = _kdc_do_524(context, config, &ticket, reply, from, addr);
free_Ticket(&ticket);
return ret;
}
static krb5_error_code
kdc_krb4(krb5_context context,
krb5_kdc_configuration *config,
krb5_data *req_buffer,
krb5_data *reply,
const char *from,
struct sockaddr *addr,
int datagram_reply)
{
if (_kdc_maybe_version4(req_buffer->data, req_buffer->length) == 0)
return -1;
return _kdc_do_version4(context, config,
req_buffer->data, req_buffer->length,
reply, from,
(struct sockaddr_in*)addr);
}
static krb5_error_code
kdc_kaserver(krb5_context context,
krb5_kdc_configuration *config,
krb5_data *req_buffer,
krb5_data *reply,
const char *from,
struct sockaddr *addr,
int datagram_reply)
{
if (config->enable_kaserver == 0)
return -1;
return _kdc_do_kaserver(context, config,
req_buffer->data, req_buffer->length,
reply, from,
(struct sockaddr_in*)addr);
}
#endif /* KRB4 */
static struct krb5_kdc_service services[] = {
{ "Kerberos 5 as", KS_PREPENDLENGTH|KS_KRB5, kdc_as_req },
{ "Kerberos 5 tgs", KS_PREPENDLENGTH|KS_KRB5, kdc_tgs_req },
#ifdef DIGEST
{ "Kerberos digest", KS_PREPENDLENGTH, kdc_digest },
#endif
#ifdef KX509
{ "kx509", KS_PREPENDLENGTH, kdc_kx509 },
#endif
#ifdef KRB4
{ "Kerberos 542", KS_PREPENDLENGTH, kdc_524 },
{ "Kerberos 4", 0, kdc_krb4 },
{ "kaserver", KS_PREPENDLENGTH, kdc_kaserver },
#endif
{ NULL }
};
/*
* handle the request in `buf, len', from `addr' (or `from' as a string),
* sending a reply in `reply'.
@@ -65,63 +242,22 @@ krb5_kdc_process_request(krb5_context context,
struct sockaddr *addr,
int datagram_reply)
{
KDC_REQ req;
#ifdef KRB4
Ticket ticket;
#endif
#ifdef DIGEST
DigestREQ digestreq;
#endif
#ifdef KX509
Kx509Request kx509req;
#endif
krb5_error_code ret;
size_t i;
unsigned int i;
krb5_data req_buffer;
req_buffer.data = buf;
req_buffer.length = len;
if(decode_AS_REQ(buf, len, &req, &i) == 0){
krb5_data req_buffer;
req_buffer.data = buf;
req_buffer.length = len;
ret = _kdc_as_rep(context, config, &req, &req_buffer,
reply, from, addr, datagram_reply);
free_AS_REQ(&req);
return ret;
}else if(decode_TGS_REQ(buf, len, &req, &i) == 0){
ret = _kdc_tgs_rep(context, config, &req, reply, from, addr, datagram_reply);
free_TGS_REQ(&req);
return ret;
#ifdef DIGEST
}else if(decode_DigestREQ(buf, len, &digestreq, &i) == 0){
ret = _kdc_do_digest(context, config, &digestreq, reply, from, addr);
free_DigestREQ(&digestreq);
return ret;
#endif
#ifdef KX509
} else if (_kdc_try_kx509_request(buf, len, &kx509req, &i) == 0) {
ret = _kdc_do_kx509(context, config, &kx509req, reply, from, addr);
free_Kx509Request(&kx509req);
return ret;
#endif
#ifdef KRB4
}else if(decode_Ticket(buf, len, &ticket, &i) == 0){
ret = _kdc_do_524(context, config, &ticket, reply, from, addr);
free_Ticket(&ticket);
return ret;
} else if(_kdc_maybe_version4(buf, len)){
*prependlength = FALSE; /* elbitapmoc sdrawkcab XXX */
ret = _kdc_do_version4(context, config, buf, len, reply, from,
(struct sockaddr_in*)addr);
return ret;
} else if (config->enable_kaserver) {
ret = _kdc_do_kaserver(context, config, buf, len, reply, from,
(struct sockaddr_in*)addr);
return ret;
#endif
for (i = 0; services[i].name != NULL; i++) {
ret = (*services[i].process)(context, config, &req_buffer,
reply, from, addr, datagram_reply);
if (ret == 0) {
*prependlength = (services[i].flags & KS_PREPENDLENGTH);
break;
}
}
return -1;
}
@@ -142,25 +278,22 @@ krb5_kdc_process_krb5_request(krb5_context context,
struct sockaddr *addr,
int datagram_reply)
{
KDC_REQ req;
krb5_error_code ret;
size_t i;
unsigned int i;
krb5_data req_buffer;
req_buffer.data = buf;
req_buffer.length = len;
if(decode_AS_REQ(buf, len, &req, &i) == 0){
krb5_data req_buffer;
req_buffer.data = buf;
req_buffer.length = len;
ret = _kdc_as_rep(context, config, &req, &req_buffer,
reply, from, addr, datagram_reply);
free_AS_REQ(&req);
return ret;
}else if(decode_TGS_REQ(buf, len, &req, &i) == 0){
ret = _kdc_tgs_rep(context, config, &req, reply, from, addr, datagram_reply);
free_TGS_REQ(&req);
return ret;
for (i = 0; services[i].name != NULL; i++) {
if ((services[i].flags & KS_KRB5) == 0)
continue;
ret = (*services[i].process)(context, config, &req_buffer,
reply, from, addr, datagram_reply);
if (ret == 0)
break;
}
return -1;
}