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/*
* Amanda, The Advanced Maryland Automatic Network Disk Archiver
* Copyright (c) 1999 University of Maryland at College Park
* All Rights Reserved.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of U.M. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. U.M. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Authors: the Amanda Development Team. Its members are listed in a
* file named AUTHORS, in the root directory of this distribution.
*/
/*
* $Id: security.c,v 1.28 2006/05/25 01:47:12 johnfranks Exp $
*
* Security driver interface for the Amanda backup system.
*/
#include "amanda.h"
#include "arglist.h"
#include "packet.h"
#include "security.h"
#ifdef BSD_SECURITY
extern const security_driver_t bsd_security_driver;
#endif
#ifdef KRB5_SECURITY
extern const security_driver_t krb5_security_driver;
#endif
#ifdef RSH_SECURITY
extern const security_driver_t rsh_security_driver;
#endif
#ifdef SSH_SECURITY
extern const security_driver_t ssh_security_driver;
#endif
#ifdef BSDTCP_SECURITY
extern const security_driver_t bsdtcp_security_driver;
#endif
#ifdef BSDUDP_SECURITY
extern const security_driver_t bsdudp_security_driver;
#endif
extern const security_driver_t local_security_driver;
static const security_driver_t *drivers[] = {
#ifdef BSD_SECURITY
&bsd_security_driver,
#endif
#ifdef KRB5_SECURITY
&krb5_security_driver,
#endif
#ifdef RSH_SECURITY
&rsh_security_driver,
#endif
#ifdef SSH_SECURITY
&ssh_security_driver,
#endif
#ifdef BSDTCP_SECURITY
&bsdtcp_security_driver,
#endif
#ifdef BSDUDP_SECURITY
&bsdudp_security_driver,
#endif
&local_security_driver,
};
#define NDRIVERS (size_t)(sizeof(drivers) / sizeof(drivers[0]))
/*
* Given a name of a security type, returns the driver structure
*/
const security_driver_t *
security_getdriver(
const char * name)
{
size_t i;
assert(name != NULL);
for (i = 0; i < NDRIVERS; i++) {
if (strcasecmp(name, drivers[i]->name) == 0) {
dbprintf(_("security_getdriver(name=%s) returns %p\n"),
name, drivers[i]);
return (drivers[i]);
}
}
dbprintf(_("security_getdriver(name=%s) returns NULL\n"), name);
return (NULL);
}
/*
* For the drivers: initialize the common part of a security_handle_t
*/
void
security_handleinit(
security_handle_t * handle,
const security_driver_t * driver)
{
dbprintf(_("security_handleinit(handle=%p, driver=%p (%s))\n"),
handle, driver, driver->name);
handle->driver = driver;
handle->error = stralloc(_("unknown protocol error"));
}
printf_arglist_function1(void security_seterror, security_handle_t *, handle,
const char *, fmt)
{
static char buf[1024];
va_list argp;
assert(handle->error != NULL);
arglist_start(argp, fmt);
g_vsnprintf(buf, SIZEOF(buf), fmt, argp);
arglist_end(argp);
handle->error = newstralloc(handle->error, buf);
dbprintf(_("security_seterror(handle=%p, driver=%p (%s) error=%s)\n"),
handle, handle->driver,
handle->driver->name, handle->error);
}
void
security_close(
security_handle_t * handle)
{
dbprintf(_("security_close(handle=%p, driver=%p (%s))\n"),
handle, handle->driver,
handle->driver->name);
amfree(handle->error);
(*handle->driver->close)(handle);
}
/*
* For the drivers: initialize the common part of a security_stream_t
*/
void
security_streaminit(
security_stream_t * stream,
const security_driver_t * driver)
{
dbprintf(_("security_streaminit(stream=%p, driver=%p (%s))\n"),
stream, driver, driver->name);
stream->driver = driver;
stream->error = stralloc(_("unknown stream error"));
}
printf_arglist_function1(void security_stream_seterror,
security_stream_t *, stream,
const char *, fmt)
{
static char buf[1024];
va_list argp;
arglist_start(argp, fmt);
g_vsnprintf(buf, SIZEOF(buf), fmt, argp);
arglist_end(argp);
stream->error = newstralloc(stream->error, buf);
dbprintf(_("security_stream_seterr(%p, %s)\n"), stream, stream->error);
}
void
security_stream_close(
security_stream_t * stream)
{
dbprintf(_("security_stream_close(%p)\n"), stream);
amfree(stream->error);
(*stream->driver->stream_close)(stream);
}
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