/*
 * Copyright 1993 OpenVision Technologies, Inc., All Rights Reserved
 *
 */

#include <gssapi/gssapi.h>
#include <gssapi/gssapi_krb5.h> /* for gss_nt_krb5_name */
#include <krb5.h>
#include <kadm5/admin.h>
#include <kadm5/kadm_rpc.h>
#include <kadm5/server_internal.h>
#include <kadm5/server_acl.h>
#include <syslog.h>
#include <arpa/inet.h>  /* inet_ntoa */
#include <adm_proto.h>  /* krb5_klog_syslog */
#include "misc.h"
#include <string.h>

#define LOG_UNAUTH  "Unauthorized request: %s, %s, client=%s, service=%s, addr=%s"
#define	LOG_DONE    "Request: %s, %s, %s, client=%s, service=%s, addr=%s"

extern gss_name_t 			gss_changepw_name;
extern gss_name_t			gss_oldchangepw_name;
extern void *				global_server_handle;

#define CHANGEPW_SERVICE(rqstp) \
	(cmp_gss_names_rel_1(acceptor_name(rqstp->rq_svccred), gss_changepw_name) |\
	 (gss_oldchangepw_name && \
	  cmp_gss_names_rel_1(acceptor_name(rqstp->rq_svccred), \
			gss_oldchangepw_name)))


static int gss_to_krb5_name(kadm5_server_handle_t handle,
		     gss_name_t gss_name, krb5_principal *princ);

static int gss_name_to_string(gss_name_t gss_name, gss_buffer_desc *str);

static gss_name_t acceptor_name(gss_ctx_id_t context);

gss_name_t rqst2name(struct svc_req *rqstp);

static int cmp_gss_names(gss_name_t n1, gss_name_t n2)
{
   OM_uint32 emaj, emin;
   int equal;

   if (GSS_ERROR(emaj = gss_compare_name(&emin, n1, n2, &equal)))
      return(0);

   return(equal);
}

/* Does a comparison of the names and then releases the first entity */
/* For use above in CHANGEPW_SERVICE */
static int cmp_gss_names_rel_1(gss_name_t n1, gss_name_t n2)
{
   OM_uint32 min_stat;
   int ret;

   ret = cmp_gss_names(n1, n2);
   if (n1) (void) gss_release_name(&min_stat, &n1);
   return ret;
}

/*
 * Function check_handle
 *
 * Purpose: Check a server handle and return a com_err code if it is
 * invalid or 0 if it is valid.
 *
 * Arguments:
 *
 * 	handle		The server handle.
 */

static int check_handle(void *handle)
{
     CHECK_HANDLE(handle);
     return 0;
}

/*
 * Function: new_server_handle
 *
 * Purpose: Constructs a server handle suitable for passing into the
 * server library API functions, by folding the client's API version
 * and calling principal into the server handle returned by
 * kadm5_init.
 *
 * Arguments:
 * 	api_version	(input) The API version specified by the client
 * 	rqstp		(input) The RPC request
 * 	handle		(output) The returned handle
 *	<return value>	(output) An error code, or 0 if no error occurred
 * 
 * Effects:
 * 	Returns a pointer to allocated storage containing the server
 * 	handle.  If an error occurs, then no allocated storage is
 *	returned, and the return value of the function will be a
 * 	non-zero com_err code.
 *      
 *      The allocated storage for the handle should be freed with
 * 	free_server_handle (see below) when it is no longer needed.
 */

static kadm5_ret_t new_server_handle(krb5_ui_4 api_version,
					  struct svc_req *rqstp,
					  kadm5_server_handle_t
					  *out_handle)
{
     kadm5_server_handle_t handle;

     if (! (handle = (kadm5_server_handle_t)
	    malloc(sizeof(*handle))))
	  return ENOMEM;

     *handle = *(kadm5_server_handle_t)global_server_handle;
     handle->api_version = api_version;

     if (! gss_to_krb5_name(handle, rqst2name(rqstp),
			    &handle->current_caller)) {
	  free(handle);
	  return KADM5_FAILURE;
     }

     *out_handle = handle;
     return 0;
}

/*
 * Function: free_server_handle
 *
 * Purpose: Free handle memory allocated by new_server_handle
 *
 * Arguments:
 * 	handle		(input/output) The handle to free
 */
static void free_server_handle(kadm5_server_handle_t handle)
{
     krb5_free_principal(handle->context, handle->current_caller);
     free(handle);
}

/*
 * Function: setup_gss_names
 *
 * Purpose: Create printable representations of the client and server
 * names.
 *
 * Arguments:
 * 	rqstp		(r) the RPC request
 * 	client_name	(w) the gss_buffer_t for the client name
 * 	server_name	(w) the gss_buffer_t for the server name
 *
 * Effects:
 *
 * Unparses the client and server names into client_name and
 * server_name, both of which must be freed by the caller.  Returns 0
 * on success and -1 on failure.
 */
int setup_gss_names(struct svc_req *rqstp,
		    gss_buffer_desc *client_name,
		    gss_buffer_desc *server_name)
{
     OM_uint32 maj_stat, min_stat;
     gss_name_t server_gss_name;

     if (gss_name_to_string(rqst2name(rqstp), client_name) != 0)
	  return -1;
     maj_stat = gss_inquire_context(&min_stat, rqstp->rq_svccred, NULL,
				    &server_gss_name, NULL, NULL, NULL,
				    NULL, NULL);
     if (maj_stat != GSS_S_COMPLETE) {
	  gss_release_buffer(&min_stat, client_name);
          gss_release_name(&min_stat, &server_gss_name);
	  return -1;
     }
     if (gss_name_to_string(server_gss_name, server_name) != 0) {
	  gss_release_buffer(&min_stat, client_name);
          gss_release_name(&min_stat, &server_gss_name);
	  return -1;
     }
     gss_release_name(&min_stat, &server_gss_name);
     return 0;
}

static gss_name_t acceptor_name(gss_ctx_id_t context)
{
     OM_uint32 maj_stat, min_stat;
     gss_name_t name;
     
     maj_stat = gss_inquire_context(&min_stat, context, NULL, &name,
				    NULL, NULL, NULL, NULL, NULL);
     if (maj_stat != GSS_S_COMPLETE)
	  return NULL;
     return name;
}
     
static int cmp_gss_krb5_name(kadm5_server_handle_t handle,
		      gss_name_t gss_name, krb5_principal princ)
{
     krb5_principal princ2;
     int status;

     if (! gss_to_krb5_name(handle, gss_name, &princ2))
	  return 0;
     status = krb5_principal_compare(handle->context, princ, princ2);
     krb5_free_principal(handle->context, princ2);
     return status;
}

static int gss_to_krb5_name(kadm5_server_handle_t handle,
		     gss_name_t gss_name, krb5_principal *princ)
{
     OM_uint32 status, minor_stat;
     gss_buffer_desc gss_str;
     gss_OID gss_type;
     int success;

     status = gss_display_name(&minor_stat, gss_name, &gss_str, &gss_type);
     if ((status != GSS_S_COMPLETE) || (gss_type != gss_nt_krb5_name))
	  return 0;
     success = (krb5_parse_name(handle->context, gss_str.value, princ) == 0);
     gss_release_buffer(&minor_stat, &gss_str);
     return success;
}

static int
gss_name_to_string(gss_name_t gss_name, gss_buffer_desc *str)
{
     OM_uint32 status, minor_stat;
     gss_OID gss_type;

     status = gss_display_name(&minor_stat, gss_name, str, &gss_type);
     if ((status != GSS_S_COMPLETE) || (gss_type != gss_nt_krb5_name))
	  return 1;
     return 0;
}

static int
log_unauth(
    char *op,
    char *target,
    gss_buffer_t client,
    gss_buffer_t server,
    struct svc_req *rqstp)
{
    size_t tlen, clen, slen;
    char *tdots, *cdots, *sdots;

    tlen = strlen(target);
    trunc_name(&tlen, &tdots);
    clen = client->length;
    trunc_name(&clen, &cdots);
    slen = server->length;
    trunc_name(&slen, &sdots);

    /* okay to cast lengths to int because trunc_name limits max value */
    return krb5_klog_syslog(LOG_NOTICE,
			    "Unauthorized request: %s, %.*s%s, "
			    "client=%.*s%s, service=%.*s%s, addr=%s",
			    op, (int)tlen, target, tdots,
			    (int)clen, (char *)client->value, cdots,
			    (int)slen, (char *)server->value, sdots,
			    inet_ntoa(rqstp->rq_xprt->xp_raddr.sin_addr));
}

static int
log_done(
    char *op,
    char *target,
    const char *errmsg,
    gss_buffer_t client,
    gss_buffer_t server,
    struct svc_req *rqstp)
{
    size_t tlen, clen, slen;
    char *tdots, *cdots, *sdots;

    tlen = strlen(target);
    trunc_name(&tlen, &tdots);
    clen = client->length;
    trunc_name(&clen, &cdots);
    slen = server->length;
    trunc_name(&slen, &sdots);

    /* okay to cast lengths to int because trunc_name limits max value */
    return krb5_klog_syslog(LOG_NOTICE,
			    "Request: %s, %.*s%s, %s, "
			    "client=%.*s%s, service=%.*s%s, addr=%s",
			    op, (int)tlen, target, tdots, errmsg,
			    (int)clen, (char *)client->value, cdots,
			    (int)slen, (char *)server->value, sdots,
			    inet_ntoa(rqstp->rq_xprt->xp_raddr.sin_addr));
}

generic_ret *
create_principal_2_svc(cprinc_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		ret;
    char			*prime_arg;
    gss_buffer_desc		client_name, service_name;
    OM_uint32			minor_stat;
    kadm5_server_handle_t	handle;
    restriction_t		*rp;
    const char			*errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->rec.principal, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (CHANGEPW_SERVICE(rqstp)
	|| !kadm5int_acl_check(handle->context, rqst2name(rqstp), ACL_ADD,
		      arg->rec.principal, &rp)
	|| kadm5int_acl_impose_restrictions(handle->context,
				   &arg->rec, &arg->mask, rp)) {
	 ret.code = KADM5_AUTH_ADD;
	 log_unauth("kadm5_create_principal", prime_arg,
		    &client_name, &service_name, rqstp);
    } else {
	 ret.code = kadm5_create_principal((void *)handle,
						&arg->rec, arg->mask,
						arg->passwd);

	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_create_principal", prime_arg,
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);

 exit_func:
    return &ret;
}

generic_ret *
create_principal3_2_svc(cprinc3_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		ret;
    char			*prime_arg;
    gss_buffer_desc		client_name, service_name;
    OM_uint32			minor_stat;
    kadm5_server_handle_t	handle;
    restriction_t		*rp;
    const char			*errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->rec.principal, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (CHANGEPW_SERVICE(rqstp)
	|| !kadm5int_acl_check(handle->context, rqst2name(rqstp), ACL_ADD,
		      arg->rec.principal, &rp)
	|| kadm5int_acl_impose_restrictions(handle->context,
				   &arg->rec, &arg->mask, rp)) {
	 ret.code = KADM5_AUTH_ADD;
	 log_unauth("kadm5_create_principal", prime_arg,
		    &client_name, &service_name, rqstp);
    } else {
	 ret.code = kadm5_create_principal_3((void *)handle,
					     &arg->rec, arg->mask,
					     arg->n_ks_tuple,
					     arg->ks_tuple,
					     arg->passwd);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_create_principal", prime_arg,
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
delete_principal_2_svc(dprinc_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }
    
    if (CHANGEPW_SERVICE(rqstp)
	|| !kadm5int_acl_check(handle->context, rqst2name(rqstp), ACL_DELETE,
		      arg->princ, NULL)) {
	 ret.code = KADM5_AUTH_DELETE;
	 log_unauth("kadm5_delete_principal", prime_arg,
		    &client_name, &service_name, rqstp);
    } else {
	 ret.code = kadm5_delete_principal((void *)handle, arg->princ);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_delete_principal", prime_arg,
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	  if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);

    }
    free(prime_arg);
    free_server_handle(handle);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
 exit_func:

    return &ret;
}

generic_ret *
modify_principal_2_svc(mprinc_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    restriction_t		    *rp;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->rec.principal, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (CHANGEPW_SERVICE(rqstp)
	|| !kadm5int_acl_check(handle->context, rqst2name(rqstp), ACL_MODIFY,
		      arg->rec.principal, &rp)
	|| kadm5int_acl_impose_restrictions(handle->context,
				   &arg->rec, &arg->mask, rp)) {
	 ret.code = KADM5_AUTH_MODIFY;
	 log_unauth("kadm5_modify_principal", prime_arg,
		    &client_name, &service_name, rqstp);
    } else {
	 ret.code = kadm5_modify_principal((void *)handle, &arg->rec,
						arg->mask);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_modify_principal", prime_arg,
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	  if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
rename_principal_2_svc(rprinc_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		ret;
    char			*prime_arg1,
				*prime_arg2;
    gss_buffer_desc		client_name,
				service_name;
    OM_uint32			minor_stat;
    kadm5_server_handle_t	handle;
    restriction_t		*rp;
    const char			*errmsg = NULL;
    size_t			tlen1, tlen2, clen, slen;
    char			*tdots1, *tdots2, *cdots, *sdots;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->src, &prime_arg1) ||
        krb5_unparse_name(handle->context, arg->dest, &prime_arg2)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }
    tlen1 = strlen(prime_arg1);
    trunc_name(&tlen1, &tdots1);
    tlen2 = strlen(prime_arg2);
    trunc_name(&tlen2, &tdots2);
    clen = client_name.length;
    trunc_name(&clen, &cdots);
    slen = service_name.length;
    trunc_name(&slen, &sdots);

    ret.code = KADM5_OK;
    if (! CHANGEPW_SERVICE(rqstp)) {
	 if (!kadm5int_acl_check(handle->context, rqst2name(rqstp),
			ACL_DELETE, arg->src, NULL))
	      ret.code = KADM5_AUTH_DELETE;
	 /* any restrictions at all on the ADD kills the RENAME */
	 if (!kadm5int_acl_check(handle->context, rqst2name(rqstp),
			ACL_ADD, arg->dest, &rp) || rp) {
	      if (ret.code == KADM5_AUTH_DELETE)
		   ret.code = KADM5_AUTH_INSUFFICIENT;
	      else
		   ret.code = KADM5_AUTH_ADD;
	 }
    } else
	 ret.code = KADM5_AUTH_INSUFFICIENT;
    if (ret.code != KADM5_OK) {
	 /* okay to cast lengths to int because trunc_name limits max value */
	 krb5_klog_syslog(LOG_NOTICE,
			  "Unauthorized request: kadm5_rename_principal, "
			  "%.*s%s to %.*s%s, "
			  "client=%.*s%s, service=%.*s%s, addr=%s",
			  (int)tlen1, prime_arg1, tdots1,
			  (int)tlen2, prime_arg2, tdots2,
			  (int)clen, (char *)client_name.value, cdots,
			  (int)slen, (char *)service_name.value, sdots,
			  inet_ntoa(rqstp->rq_xprt->xp_raddr.sin_addr));
    } else {
	 ret.code = kadm5_rename_principal((void *)handle, arg->src,
						arg->dest);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 /* okay to cast lengths to int because trunc_name limits max value */
	 krb5_klog_syslog(LOG_NOTICE,
			  "Request: kadm5_rename_principal, "
			  "%.*s%s to %.*s%s, %s, "
			  "client=%.*s%s, service=%.*s%s, addr=%s",
			  (int)tlen1, prime_arg1, tdots1,
			  (int)tlen2, prime_arg2, tdots2,
			  errmsg ? errmsg : "success",
			  (int)clen, (char *)client_name.value, cdots,
			  (int)slen, (char *)service_name.value, sdots,
			  inet_ntoa(rqstp->rq_xprt->xp_raddr.sin_addr));

	 if (errmsg != NULL)
	     krb5_free_error_message(handle ? handle->context : NULL, errmsg);

    }
    free_server_handle(handle);
    free(prime_arg1);
    free(prime_arg2);    
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

gprinc_ret *
get_principal_2_svc(gprinc_arg *arg, struct svc_req *rqstp)
{
    static gprinc_ret		    ret;
    kadm5_principal_ent_t_v1	    e;
    char			    *prime_arg, *funcname;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_gprinc_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    funcname = handle->api_version == KADM5_API_VERSION_1 ?
	 "kadm5_get_principal (V1)" : "kadm5_get_principal";

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (! cmp_gss_krb5_name(handle, rqst2name(rqstp), arg->princ) &&
	(CHANGEPW_SERVICE(rqstp) || !kadm5int_acl_check(handle->context,
					       rqst2name(rqstp),
					       ACL_INQUIRE,
					       arg->princ,
					       NULL))) {
	 ret.code = KADM5_AUTH_GET;
	 log_unauth(funcname, prime_arg,
		    &client_name, &service_name, rqstp);
    } else {
	 if (handle->api_version == KADM5_API_VERSION_1) {
	      ret.code  = kadm5_get_principal_v1((void *)handle,
						 arg->princ, &e); 
	      if(ret.code == KADM5_OK) {
		   memcpy(&ret.rec, e, sizeof(kadm5_principal_ent_rec_v1));
		   free(e);
	      }
	 } else {
	      ret.code  = kadm5_get_principal((void *)handle,
					      arg->princ, &ret.rec,
					      arg->mask);
	 }
	 
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done(funcname, prime_arg, errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	  if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

gprincs_ret *
get_princs_2_svc(gprincs_arg *arg, struct svc_req *rqstp)
{
    static gprincs_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_gprincs_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    prime_arg = arg->exp;
    if (prime_arg == NULL)
	 prime_arg = "*";

    if (CHANGEPW_SERVICE(rqstp) || !kadm5int_acl_check(handle->context,
					      rqst2name(rqstp),
					      ACL_LIST,
					      NULL,
					      NULL)) {
	 ret.code = KADM5_AUTH_LIST;
	 log_unauth("kadm5_get_principals", prime_arg,
		    &client_name, &service_name, rqstp);
    } else {
	 ret.code  = kadm5_get_principals((void *)handle,
					       arg->exp, &ret.princs,
					       &ret.count);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_get_principals", prime_arg,
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	 if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);

    }
    free_server_handle(handle);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
chpass_principal_2_svc(chpass_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (cmp_gss_krb5_name(handle, rqst2name(rqstp), arg->princ)) {
	 ret.code = chpass_principal_wrapper_3((void *)handle, arg->princ,
					       FALSE, 0, NULL, arg->pass);
    } else if (!(CHANGEPW_SERVICE(rqstp)) &&
	       kadm5int_acl_check(handle->context, rqst2name(rqstp),
			 ACL_CHANGEPW, arg->princ, NULL)) {
	 ret.code = kadm5_chpass_principal((void *)handle, arg->princ,
						arg->pass);
    } else {
	 log_unauth("kadm5_chpass_principal", prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_CHANGEPW;
    }

    if (ret.code != KADM5_AUTH_CHANGEPW) {
	if (ret.code != 0)
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	log_done("kadm5_chpass_principal", prime_arg,
		 errmsg ? errmsg : "success",
		 &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }

    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
chpass_principal3_2_svc(chpass3_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (cmp_gss_krb5_name(handle, rqst2name(rqstp), arg->princ)) {
	 ret.code = chpass_principal_wrapper_3((void *)handle, arg->princ,
					       arg->keepold,
					       arg->n_ks_tuple,
					       arg->ks_tuple,
					       arg->pass);
    } else if (!(CHANGEPW_SERVICE(rqstp)) &&
	       kadm5int_acl_check(handle->context, rqst2name(rqstp),
			 ACL_CHANGEPW, arg->princ, NULL)) {
	 ret.code = kadm5_chpass_principal_3((void *)handle, arg->princ,
					     arg->keepold,
					     arg->n_ks_tuple,
					     arg->ks_tuple,
					     arg->pass);
    } else {
	 log_unauth("kadm5_chpass_principal", prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_CHANGEPW;
    }

    if(ret.code != KADM5_AUTH_CHANGEPW) {
	if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	log_done("kadm5_chpass_principal", prime_arg,
		 errmsg ? errmsg : "success",
		 &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }

    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
setv4key_principal_2_svc(setv4key_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (!(CHANGEPW_SERVICE(rqstp)) &&
	       kadm5int_acl_check(handle->context, rqst2name(rqstp),
			 ACL_SETKEY, arg->princ, NULL)) {
	 ret.code = kadm5_setv4key_principal((void *)handle, arg->princ,
					     arg->keyblock);
    } else {
	 log_unauth("kadm5_setv4key_principal", prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_SETKEY;
    }

    if(ret.code != KADM5_AUTH_SETKEY) {
	if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	log_done("kadm5_setv4key_principal", prime_arg,
		 errmsg ? errmsg : "success",
		 &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }

    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
setkey_principal_2_svc(setkey_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (!(CHANGEPW_SERVICE(rqstp)) &&
	       kadm5int_acl_check(handle->context, rqst2name(rqstp),
			 ACL_SETKEY, arg->princ, NULL)) {
	 ret.code = kadm5_setkey_principal((void *)handle, arg->princ,
					   arg->keyblocks, arg->n_keys);
    } else {
	 log_unauth("kadm5_setkey_principal", prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_SETKEY;
    }

    if(ret.code != KADM5_AUTH_SETKEY) {
	if( ret.code != 0 )
	    errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	log_done("kadm5_setkey_principal", prime_arg,
		 errmsg ? errmsg : "success",
		 &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }

    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
setkey_principal3_2_svc(setkey3_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (!(CHANGEPW_SERVICE(rqstp)) &&
	       kadm5int_acl_check(handle->context, rqst2name(rqstp),
			 ACL_SETKEY, arg->princ, NULL)) {
	 ret.code = kadm5_setkey_principal_3((void *)handle, arg->princ,
					     arg->keepold,
					     arg->n_ks_tuple,
					     arg->ks_tuple,
					     arg->keyblocks, arg->n_keys);
    } else {
	 log_unauth("kadm5_setkey_principal", prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_SETKEY;
    }

    if(ret.code != KADM5_AUTH_SETKEY) {
	if( ret.code != 0 )
	    errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	log_done("kadm5_setkey_principal", prime_arg,
		 errmsg ? errmsg : "success",
		 &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }

    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

chrand_ret *
chrand_principal_2_svc(chrand_arg *arg, struct svc_req *rqstp)
{
    static chrand_ret		ret;
    krb5_keyblock		*k;
    int				nkeys;
    char			*prime_arg, *funcname;
    gss_buffer_desc		client_name,
	    			service_name;
    OM_uint32			minor_stat;
    kadm5_server_handle_t	handle;
    const char			*errmsg = NULL;

    xdr_free(xdr_chrand_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;


    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    funcname = handle->api_version == KADM5_API_VERSION_1 ?
	 "kadm5_randkey_principal (V1)" : "kadm5_randkey_principal";

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 free_server_handle(handle);
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (cmp_gss_krb5_name(handle, rqst2name(rqstp), arg->princ)) {
	 ret.code = randkey_principal_wrapper_3((void *)handle, arg->princ,
						FALSE, 0, NULL, &k, &nkeys);
    } else if (!(CHANGEPW_SERVICE(rqstp)) &&
	       kadm5int_acl_check(handle->context, rqst2name(rqstp),
			 ACL_CHANGEPW, arg->princ, NULL)) {
	 ret.code = kadm5_randkey_principal((void *)handle, arg->princ,
					    &k, &nkeys);
    } else {
	 log_unauth(funcname, prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_CHANGEPW;
    }

    if(ret.code == KADM5_OK) {
	 if (handle->api_version == KADM5_API_VERSION_1) {
	      krb5_copy_keyblock_contents(handle->context, k, &ret.key);
	      krb5_free_keyblock(handle->context, k);
	 } else {
	      ret.keys = k;
	      ret.n_keys = nkeys;
	 }
    }

    if(ret.code != KADM5_AUTH_CHANGEPW) {
	if( ret.code != 0 )
	    errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	log_done(funcname, prime_arg, errmsg ? errmsg : "success",
		 &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

chrand_ret *
chrand_principal3_2_svc(chrand3_arg *arg, struct svc_req *rqstp)
{
    static chrand_ret		ret;
    krb5_keyblock		*k;
    int				nkeys;
    char			*prime_arg, *funcname;
    gss_buffer_desc		client_name,
	    			service_name;
    OM_uint32			minor_stat;
    kadm5_server_handle_t	handle;
    const char			*errmsg = NULL;

    xdr_free(xdr_chrand_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    funcname = handle->api_version == KADM5_API_VERSION_1 ?
	 "kadm5_randkey_principal (V1)" : "kadm5_randkey_principal";

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 free_server_handle(handle);
	 goto exit_func;
    }
    if (krb5_unparse_name(handle->context, arg->princ, &prime_arg)) {
	 ret.code = KADM5_BAD_PRINCIPAL;
	 goto exit_func;
    }

    if (cmp_gss_krb5_name(handle, rqst2name(rqstp), arg->princ)) {
	 ret.code = randkey_principal_wrapper_3((void *)handle, arg->princ,
						arg->keepold,
						arg->n_ks_tuple,
						arg->ks_tuple,
						&k, &nkeys);
    } else if (!(CHANGEPW_SERVICE(rqstp)) &&
	       kadm5int_acl_check(handle->context, rqst2name(rqstp),
			 ACL_CHANGEPW, arg->princ, NULL)) {
	 ret.code = kadm5_randkey_principal_3((void *)handle, arg->princ,
					      arg->keepold,
					      arg->n_ks_tuple,
					      arg->ks_tuple,
					      &k, &nkeys);
    } else {
	 log_unauth(funcname, prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_CHANGEPW;
    }

    if(ret.code == KADM5_OK) {
	 if (handle->api_version == KADM5_API_VERSION_1) {
	      krb5_copy_keyblock_contents(handle->context, k, &ret.key);
	      krb5_free_keyblock(handle->context, k);
	 } else {
	      ret.keys = k;
	      ret.n_keys = nkeys;
	 }
    }

    if(ret.code != KADM5_AUTH_CHANGEPW) {
	if( ret.code != 0 )
	    errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	log_done(funcname, prime_arg, errmsg ? errmsg : "success",
		 &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    free(prime_arg);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
create_policy_2_svc(cpol_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;    
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    prime_arg = arg->rec.policy;

    if (CHANGEPW_SERVICE(rqstp) || !kadm5int_acl_check(handle->context,
					      rqst2name(rqstp),
					      ACL_ADD, NULL, NULL)) {
	 ret.code = KADM5_AUTH_ADD;
	 log_unauth("kadm5_create_policy", prime_arg,
		    &client_name, &service_name, rqstp);

    } else {
	 ret.code = kadm5_create_policy((void *)handle, &arg->rec,
					     arg->mask);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_create_policy",
		  ((prime_arg == NULL) ? "(null)" : prime_arg),
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
delete_policy_2_svc(dpol_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;    
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    prime_arg = arg->name;
    
    if (CHANGEPW_SERVICE(rqstp) || !kadm5int_acl_check(handle->context,
					      rqst2name(rqstp),
					      ACL_DELETE, NULL, NULL)) {
	 log_unauth("kadm5_delete_policy", prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_DELETE;
    } else {
	 ret.code = kadm5_delete_policy((void *)handle, arg->name);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_delete_policy",
		  ((prime_arg == NULL) ? "(null)" : prime_arg),
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

generic_ret *
modify_policy_2_svc(mpol_arg *arg, struct svc_req *rqstp)
{
    static generic_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;    
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_generic_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    prime_arg = arg->rec.policy;

    if (CHANGEPW_SERVICE(rqstp) || !kadm5int_acl_check(handle->context,
					      rqst2name(rqstp),
					      ACL_MODIFY, NULL, NULL)) {
	 log_unauth("kadm5_modify_policy", prime_arg,
		    &client_name, &service_name, rqstp);
	 ret.code = KADM5_AUTH_MODIFY;
    } else {
	 ret.code = kadm5_modify_policy((void *)handle, &arg->rec,
					     arg->mask);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_modify_policy",
		  ((prime_arg == NULL) ? "(null)" : prime_arg),
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

gpol_ret * 
get_policy_2_svc(gpol_arg *arg, struct svc_req *rqstp)
{
    static gpol_ret		ret;
    kadm5_ret_t		ret2;
    char			*prime_arg, *funcname;
    gss_buffer_desc		client_name,
				service_name;
    OM_uint32			minor_stat;    
    kadm5_policy_ent_t	e;
    kadm5_principal_ent_rec	caller_ent;
    kadm5_server_handle_t	handle;
    const char			*errmsg = NULL;

    xdr_free(xdr_gpol_ret,  &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    funcname = handle->api_version == KADM5_API_VERSION_1 ?
	 "kadm5_get_policy (V1)" : "kadm5_get_policy";

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    prime_arg = arg->name;

    ret.code = KADM5_AUTH_GET;
    if (!CHANGEPW_SERVICE(rqstp) && kadm5int_acl_check(handle->context,
					      rqst2name(rqstp),
					      ACL_INQUIRE, NULL, NULL))
	 ret.code = KADM5_OK;
    else {
	 ret.code = kadm5_get_principal(handle->lhandle,
					handle->current_caller,
					&caller_ent,
					KADM5_PRINCIPAL_NORMAL_MASK);
	 if (ret.code == KADM5_OK) {
	      if (caller_ent.aux_attributes & KADM5_POLICY &&
		  strcmp(caller_ent.policy, arg->name) == 0) {
		   ret.code = KADM5_OK;
	      } else ret.code = KADM5_AUTH_GET;
	      ret2 = kadm5_free_principal_ent(handle->lhandle,
					      &caller_ent);
	      ret.code = ret.code ? ret.code : ret2;
	 }
    }
    
    if (ret.code == KADM5_OK) {
	 if (handle->api_version == KADM5_API_VERSION_1) {
	      ret.code  = kadm5_get_policy_v1((void *)handle, arg->name, &e);
	      if(ret.code == KADM5_OK) {
		   memcpy(&ret.rec, e, sizeof(kadm5_policy_ent_rec));
		   free(e);
	      }
	 } else {
	      ret.code = kadm5_get_policy((void *)handle, arg->name,
					  &ret.rec);
	 }
	 
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done(funcname,
		  ((prime_arg == NULL) ? "(null)" : prime_arg),
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);
	 if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);

    } else {
	 log_unauth(funcname, prime_arg,
		    &client_name, &service_name, rqstp);
    }
    free_server_handle(handle);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;

}

gpols_ret *
get_pols_2_svc(gpols_arg *arg, struct svc_req *rqstp)
{
    static gpols_ret		    ret;
    char			    *prime_arg;
    gss_buffer_desc		    client_name,
				    service_name;
    OM_uint32			    minor_stat;
    kadm5_server_handle_t	    handle;
    const char			    *errmsg = NULL;

    xdr_free(xdr_gpols_ret, &ret);

    if ((ret.code = new_server_handle(arg->api_version, rqstp, &handle)))
	 goto exit_func;

    if ((ret.code = check_handle((void *)handle))) {
	 free_server_handle(handle);
	 goto exit_func;
    }

    ret.api_version = handle->api_version;

    if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	 ret.code = KADM5_FAILURE;
	 goto exit_func;
    }
    prime_arg = arg->exp;
    if (prime_arg == NULL)
	 prime_arg = "*";

    if (CHANGEPW_SERVICE(rqstp) || !kadm5int_acl_check(handle->context,
					      rqst2name(rqstp),
					      ACL_LIST, NULL, NULL)) {
	 ret.code = KADM5_AUTH_LIST;
	 log_unauth("kadm5_get_policies", prime_arg,
		    &client_name, &service_name, rqstp);
    } else {
	 ret.code  = kadm5_get_policies((void *)handle,
					       arg->exp, &ret.pols,
					       &ret.count);
	 if( ret.code != 0 )
	     errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

	 log_done("kadm5_get_policies", prime_arg,
		  errmsg ? errmsg : "success",
		  &client_name, &service_name, rqstp);

	if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);
    }
    free_server_handle(handle);
    gss_release_buffer(&minor_stat, &client_name);
    gss_release_buffer(&minor_stat, &service_name);
exit_func:
    return &ret;
}

getprivs_ret * get_privs_2_svc(krb5_ui_4 *arg, struct svc_req *rqstp)
{
     static getprivs_ret	    ret;
     gss_buffer_desc		    client_name, service_name;
     OM_uint32			    minor_stat;
     kadm5_server_handle_t	    handle;
     const char			    *errmsg = NULL;

     xdr_free(xdr_getprivs_ret, &ret);

     if ((ret.code = new_server_handle(*arg, rqstp, &handle)))
	  goto exit_func;

     if ((ret.code = check_handle((void *)handle))) {
	  free_server_handle(handle);
	  goto exit_func;
     }

     ret.api_version = handle->api_version;

     if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	  ret.code = KADM5_FAILURE;
	  goto exit_func;
     }

     ret.code = kadm5_get_privs((void *)handle, &ret.privs);
     if( ret.code != 0 )
	 errmsg = krb5_get_error_message(handle ? handle->context : NULL, ret.code);

     log_done("kadm5_get_privs", client_name.value,
	      errmsg ? errmsg : "success",
	      &client_name, &service_name, rqstp);

     if (errmsg != NULL)
		krb5_free_error_message(handle ? handle->context : NULL, errmsg);

     free_server_handle(handle);
     gss_release_buffer(&minor_stat, &client_name);
     gss_release_buffer(&minor_stat, &service_name);
exit_func:
     return &ret;
}

generic_ret *init_2_svc(krb5_ui_4 *arg, struct svc_req *rqstp)
{
     static generic_ret		ret;
     gss_buffer_desc		client_name,
	 			service_name;
     kadm5_server_handle_t	handle;
     OM_uint32			minor_stat;
     const char			*errmsg = NULL;
     size_t clen, slen;
     char *cdots, *sdots;

     xdr_free(xdr_generic_ret, &ret);

     if ((ret.code = new_server_handle(*arg, rqstp, &handle)))
	  goto exit_func;
     if (! (ret.code = check_handle((void *)handle))) {
	 ret.api_version = handle->api_version;
     }

     free_server_handle(handle);

     if (setup_gss_names(rqstp, &client_name, &service_name) < 0) {
	  ret.code = KADM5_FAILURE;
	  goto exit_func;
     }

     if (ret.code != 0)
	 errmsg = krb5_get_error_message(NULL, ret.code);

     clen = client_name.length;
     trunc_name(&clen, &cdots);
     slen = service_name.length;
     trunc_name(&slen, &sdots);
     /* okay to cast lengths to int because trunc_name limits max value */
     krb5_klog_syslog(LOG_NOTICE, "Request: %s, %.*s%s, %s, "
		      "client=%.*s%s, service=%.*s%s, addr=%s, flavor=%d",
		      (ret.api_version == KADM5_API_VERSION_1 ?
		       "kadm5_init (V1)" : "kadm5_init"),
		      (int)clen, (char *)client_name.value, cdots,
		      errmsg ? errmsg : "success",
		      (int)clen, (char *)client_name.value, cdots,
		      (int)slen, (char *)service_name.value, sdots,
		      inet_ntoa(rqstp->rq_xprt->xp_raddr.sin_addr),
		      rqstp->rq_cred.oa_flavor);
     if (errmsg != NULL)
	 krb5_free_error_message(handle ? handle->context : NULL, errmsg);
     gss_release_buffer(&minor_stat, &client_name);
     gss_release_buffer(&minor_stat, &service_name);
	    
exit_func:
     return(&ret);
}

gss_name_t
rqst2name(struct svc_req *rqstp)
{

     if (rqstp->rq_cred.oa_flavor == RPCSEC_GSS)
	  return rqstp->rq_clntname;
     else
	  return rqstp->rq_clntcred;
}