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-rw-r--r--sunrpc/auth_unix.c357
1 files changed, 0 insertions, 357 deletions
diff --git a/sunrpc/auth_unix.c b/sunrpc/auth_unix.c
deleted file mode 100644
index b71612cd80..0000000000
--- a/sunrpc/auth_unix.c
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- * Copyright (c) 2010, 2011, Oracle America, Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- * * Neither the name of the "Oracle America, Inc." nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-/*
- * auth_unix.c, Implements UNIX style authentication parameters.
- *
- * The system is very weak. The client uses no encryption for it's
- * credentials and only sends null verifiers. The server sends backs
- * null verifiers or optionally a verifier that suggests a new short hand
- * for the credentials.
- */
-
-#include <errno.h>
-#include <limits.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <libintl.h>
-#include <sys/param.h>
-#include <wchar.h>
-#include <shlib-compat.h>
-
-#include <rpc/types.h>
-#include <rpc/xdr.h>
-#include <rpc/auth.h>
-#include <rpc/auth_unix.h>
-
-
-/*
- * Unix authenticator operations vector
- */
-static void authunix_nextverf (AUTH *);
-static bool_t authunix_marshal (AUTH *, XDR *);
-static bool_t authunix_validate (AUTH *, struct opaque_auth *);
-static bool_t authunix_refresh (AUTH *);
-static void authunix_destroy (AUTH *);
-
-static const struct auth_ops auth_unix_ops = {
- authunix_nextverf,
- authunix_marshal,
- authunix_validate,
- authunix_refresh,
- authunix_destroy
-};
-
-/*
- * This struct is pointed to by the ah_private field of an auth_handle.
- */
-struct audata {
- struct opaque_auth au_origcred; /* original credentials */
- struct opaque_auth au_shcred; /* short hand cred */
- u_long au_shfaults; /* short hand cache faults */
- char au_marshed[MAX_AUTH_BYTES];
- u_int au_mpos; /* xdr pos at end of marshed */
-};
-#define AUTH_PRIVATE(auth) ((struct audata *)auth->ah_private)
-
-static bool_t marshal_new_auth (AUTH *) internal_function;
-
-
-/*
- * Create a unix style authenticator.
- * Returns an auth handle with the given stuff in it.
- */
-AUTH *
-authunix_create (char *machname, uid_t uid, gid_t gid, int len,
- gid_t *aup_gids)
-{
- struct authunix_parms aup;
- char mymem[MAX_AUTH_BYTES];
- struct timeval now;
- XDR xdrs;
- AUTH *auth;
- struct audata *au;
-
- /*
- * Allocate and set up auth handle
- */
- auth = (AUTH *) mem_alloc (sizeof (*auth));
- au = (struct audata *) mem_alloc (sizeof (*au));
- if (auth == NULL || au == NULL)
- {
-no_memory:
- (void) __fxprintf (NULL, "%s: %s", __func__, _("out of memory\n"));
- mem_free (auth, sizeof (*auth));
- mem_free (au, sizeof (*au));
- return NULL;
- }
- auth->ah_ops = (struct auth_ops *) &auth_unix_ops;
- auth->ah_private = (caddr_t) au;
- auth->ah_verf = au->au_shcred = _null_auth;
- au->au_shfaults = 0;
-
- /*
- * fill in param struct from the given params
- */
- (void) __gettimeofday (&now, (struct timezone *) 0);
- aup.aup_time = now.tv_sec;
- aup.aup_machname = machname;
- aup.aup_uid = uid;
- aup.aup_gid = gid;
- aup.aup_len = (u_int) len;
- aup.aup_gids = aup_gids;
-
- /*
- * Serialize the parameters into origcred
- */
- xdrmem_create (&xdrs, mymem, MAX_AUTH_BYTES, XDR_ENCODE);
- if (!xdr_authunix_parms (&xdrs, &aup))
- abort ();
- au->au_origcred.oa_length = len = XDR_GETPOS (&xdrs);
- au->au_origcred.oa_flavor = AUTH_UNIX;
- au->au_origcred.oa_base = mem_alloc ((u_int) len);
- if (au->au_origcred.oa_base == NULL)
- goto no_memory;
- memcpy(au->au_origcred.oa_base, mymem, (u_int) len);
-
- /*
- * set auth handle to reflect new cred.
- */
- auth->ah_cred = au->au_origcred;
- marshal_new_auth (auth);
- return auth;
-}
-libc_hidden_nolink_sunrpc (authunix_create, GLIBC_2_0)
-
-/*
- * Returns an auth handle with parameters determined by doing lots of
- * syscalls.
- */
-AUTH *
-authunix_create_default (void)
-{
- char machname[MAX_MACHINE_NAME + 1];
-
- if (__gethostname (machname, MAX_MACHINE_NAME) == -1)
- abort ();
- machname[MAX_MACHINE_NAME] = 0;
- uid_t uid = __geteuid ();
- gid_t gid = __getegid ();
-
- int max_nr_groups;
- /* When we have to try a second time, do not use alloca() again. We
- might have reached the stack limit already. */
- bool retry = false;
- again:
- /* Ask the kernel how many groups there are exactly. Note that we
- might have to redo all this if the number of groups has changed
- between the two calls. */
- max_nr_groups = __getgroups (0, NULL);
-
- /* Just some random reasonable stack limit. */
-#define ALLOCA_LIMIT (1024 / sizeof (gid_t))
- gid_t *gids = NULL;
- if (max_nr_groups < ALLOCA_LIMIT && ! retry)
- gids = (gid_t *) alloca (max_nr_groups * sizeof (gid_t));
- else
- {
- gids = (gid_t *) malloc (max_nr_groups * sizeof (gid_t));
- if (gids == NULL)
- return NULL;
- }
-
- int len = __getgroups (max_nr_groups, gids);
- if (len == -1)
- {
- if (errno == EINVAL)
- {
- /* New groups added in the meantime. Try again. */
- if (max_nr_groups >= ALLOCA_LIMIT || retry)
- free (gids);
- retry = true;
- goto again;
- }
- /* No other error can happen. */
- abort ();
- }
-
- /* This braindamaged Sun code forces us here to truncate the
- list of groups to NGRPS members since the code in
- authuxprot.c transforms a fixed array. Grrr. */
- AUTH *result = authunix_create (machname, uid, gid, MIN (NGRPS, len), gids);
-
- if (max_nr_groups >= ALLOCA_LIMIT || retry)
- free (gids);
-
- return result;
-}
-#ifdef EXPORT_RPC_SYMBOLS
-libc_hidden_def (authunix_create_default)
-#else
-libc_hidden_nolink_sunrpc (authunix_create_default, GLIBC_2_0)
-#endif
-
-/*
- * authunix operations
- */
-
-static void
-authunix_nextverf (AUTH *auth)
-{
- /* no action necessary */
-}
-
-static bool_t
-authunix_marshal (AUTH *auth, XDR *xdrs)
-{
- struct audata *au = AUTH_PRIVATE (auth);
-
- return XDR_PUTBYTES (xdrs, au->au_marshed, au->au_mpos);
-}
-
-static bool_t
-authunix_validate (AUTH *auth, struct opaque_auth *verf)
-{
- struct audata *au;
- XDR xdrs;
-
- if (verf->oa_flavor == AUTH_SHORT)
- {
- au = AUTH_PRIVATE (auth);
- xdrmem_create (&xdrs, verf->oa_base, verf->oa_length, XDR_DECODE);
-
- if (au->au_shcred.oa_base != NULL)
- {
- mem_free (au->au_shcred.oa_base,
- au->au_shcred.oa_length);
- au->au_shcred.oa_base = NULL;
- }
- if (xdr_opaque_auth (&xdrs, &au->au_shcred))
- {
- auth->ah_cred = au->au_shcred;
- }
- else
- {
- xdrs.x_op = XDR_FREE;
- (void) xdr_opaque_auth (&xdrs, &au->au_shcred);
- au->au_shcred.oa_base = NULL;
- auth->ah_cred = au->au_origcred;
- }
- marshal_new_auth (auth);
- }
- return TRUE;
-}
-
-static bool_t
-authunix_refresh (AUTH *auth)
-{
- struct audata *au = AUTH_PRIVATE (auth);
- struct authunix_parms aup;
- struct timeval now;
- XDR xdrs;
- int stat;
-
- if (auth->ah_cred.oa_base == au->au_origcred.oa_base)
- {
- /* there is no hope. Punt */
- return FALSE;
- }
- au->au_shfaults++;
-
- /* first deserialize the creds back into a struct authunix_parms */
- aup.aup_machname = NULL;
- aup.aup_gids = (gid_t *) NULL;
- xdrmem_create (&xdrs, au->au_origcred.oa_base,
- au->au_origcred.oa_length, XDR_DECODE);
- stat = xdr_authunix_parms (&xdrs, &aup);
- if (!stat)
- goto done;
-
- /* update the time and serialize in place */
- (void) __gettimeofday (&now, (struct timezone *) 0);
- aup.aup_time = now.tv_sec;
- xdrs.x_op = XDR_ENCODE;
- XDR_SETPOS (&xdrs, 0);
- stat = xdr_authunix_parms (&xdrs, &aup);
- if (!stat)
- goto done;
- auth->ah_cred = au->au_origcred;
- marshal_new_auth (auth);
-done:
- /* free the struct authunix_parms created by deserializing */
- xdrs.x_op = XDR_FREE;
- (void) xdr_authunix_parms (&xdrs, &aup);
- XDR_DESTROY (&xdrs);
- return stat;
-}
-
-static void
-authunix_destroy (AUTH *auth)
-{
- struct audata *au = AUTH_PRIVATE (auth);
-
- mem_free (au->au_origcred.oa_base, au->au_origcred.oa_length);
-
- if (au->au_shcred.oa_base != NULL)
- mem_free (au->au_shcred.oa_base, au->au_shcred.oa_length);
-
- mem_free (auth->ah_private, sizeof (struct audata));
-
- if (auth->ah_verf.oa_base != NULL)
- mem_free (auth->ah_verf.oa_base, auth->ah_verf.oa_length);
-
- mem_free ((caddr_t) auth, sizeof (*auth));
-}
-
-/*
- * Marshals (pre-serializes) an auth struct.
- * sets private data, au_marshed and au_mpos
- */
-static bool_t
-internal_function
-marshal_new_auth (AUTH *auth)
-{
- XDR xdr_stream;
- XDR *xdrs = &xdr_stream;
- struct audata *au = AUTH_PRIVATE (auth);
-
- xdrmem_create (xdrs, au->au_marshed, MAX_AUTH_BYTES, XDR_ENCODE);
- if ((!xdr_opaque_auth (xdrs, &(auth->ah_cred))) ||
- (!xdr_opaque_auth (xdrs, &(auth->ah_verf))))
- perror (_("auth_unix.c: Fatal marshalling problem"));
- else
- au->au_mpos = XDR_GETPOS (xdrs);
-
- XDR_DESTROY (xdrs);
-
- return TRUE;
-}
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