zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/inet/rpc/auth_unix.c b/ap/build/uClibc/libc/inet/rpc/auth_unix.c
new file mode 100644
index 0000000..1337214
--- /dev/null
+++ b/ap/build/uClibc/libc/inet/rpc/auth_unix.c
@@ -0,0 +1,336 @@
+/*
+ * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
+ * unrestricted use provided that this legend is included on all tape
+ * media and as a part of the software program in whole or part. Users
+ * may copy or modify Sun RPC without charge, but are not authorized
+ * to license or distribute it to anyone else except as part of a product or
+ * program developed by the user.
+ *
+ * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
+ * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
+ *
+ * Sun RPC is provided with no support and without any obligation on the
+ * part of Sun Microsystems, Inc. to assist in its use, correction,
+ * modification or enhancement.
+ *
+ * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
+ * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
+ * OR ANY PART THEREOF.
+ *
+ * In no event will Sun Microsystems, Inc. be liable for any lost revenue
+ * or profits or other special, indirect and consequential damages, even if
+ * Sun has been advised of the possibility of such damages.
+ *
+ * Sun Microsystems, Inc.
+ * 2550 Garcia Avenue
+ * Mountain View, California 94043
+ */
+/*
+ * Copyright (C) 1984, Sun Microsystems, Inc.
+ */
+/*
+ * 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.
+ */
+
+#define __FORCE_GLIBC
+#include <features.h>
+
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+#include <rpc/types.h>
+#include <rpc/xdr.h>
+#include <rpc/auth.h>
+#include <rpc/auth_unix.h>
+
+#ifdef USE_IN_LIBIO
+# include <wchar.h>
+#endif
+
+/*
+ * 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 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:
+#ifdef USE_IN_LIBIO
+ if (_IO_fwide (stderr, 0) > 0)
+ (void) fwprintf (stderr, L"%s",
+ _("authunix_create: out of memory\n"));
+ else
+#endif
+ (void) fputs (_("authunix_create: out of memory\n"), stderr);
+ mem_free (auth, sizeof (*auth));
+ mem_free (au, sizeof (*au));
+ return NULL;
+ }
+ auth->ah_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_def(authunix_create)
+
+/*
+ * Returns an auth handle with parameters determined by doing lots of
+ * syscalls.
+ */
+AUTH *
+authunix_create_default (void)
+{
+ int len;
+ char machname[MAX_MACHINE_NAME + 1];
+ uid_t uid;
+ gid_t gid;
+ int max_nr_groups = sysconf (_SC_NGROUPS_MAX);
+ gid_t *gids = NULL;
+ AUTH *ret_auth;
+
+ if (max_nr_groups) {
+ gids = (gid_t*)malloc(sizeof(*gids) * max_nr_groups);
+ if (gids == NULL)
+ abort ();
+ }
+
+ if (gethostname (machname, MAX_MACHINE_NAME) == -1)
+ abort ();
+ machname[MAX_MACHINE_NAME] = 0;
+ uid = geteuid ();
+ gid = getegid ();
+
+ if ((len = getgroups (max_nr_groups, gids)) < 0)
+ 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. */
+ ret_auth = authunix_create (machname, uid, gid, MIN (NGRPS, len), gids);
+ free (gids);
+ return ret_auth;
+}
+libc_hidden_def(authunix_create_default)
+
+/*
+ * authunix operations
+ */
+
+static void
+authunix_nextverf (AUTH *auth attribute_unused)
+{
+ /* 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_none.c - Fatal marshalling problem"));
+ else
+ au->au_mpos = XDR_GETPOS (xdrs);
+
+ XDR_DESTROY (xdrs);
+
+ return TRUE;
+}