diff options
Diffstat (limited to 'mdk-stage1/dietlibc/librpc/auth_unix.c')
| -rw-r--r-- | mdk-stage1/dietlibc/librpc/auth_unix.c | 313 |
1 files changed, 0 insertions, 313 deletions
diff --git a/mdk-stage1/dietlibc/librpc/auth_unix.c b/mdk-stage1/dietlibc/librpc/auth_unix.c deleted file mode 100644 index 5daeb5f4a..000000000 --- a/mdk-stage1/dietlibc/librpc/auth_unix.c +++ /dev/null @@ -1,313 +0,0 @@ -/* @(#)auth_unix.c 2.2 88/08/01 4.0 RPCSRC */ -/* - * 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 - */ -#if !defined(lint) && defined(SCCSIDS) -static char sccsid[] = - - "@(#)auth_unix.c 1.19 87/08/11 Copyr 1984 Sun Micro"; -#endif - -/* - * auth_unix.c, Implements UNIX style authentication parameters. - * - * Copyright (C) 1984, Sun Microsystems, Inc. - * - * 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 <stdio.h> -#include <unistd.h> -#include <sys/types.h> -#include <string.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(); -static bool_t authunix_marshal(); -static bool_t authunix_validate(); -static bool_t authunix_refresh(); -static void authunix_destroy(); - -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 void marshal_new_auth(); - - -/* - * Create a unix style authenticator. - * Returns an auth handle with the given stuff in it. - */ -AUTH *authunix_create __P ((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; - register AUTH *auth; - register struct audata *au; - - /* - * Allocate and set up auth handle - */ - auth = (AUTH *) mem_alloc(sizeof(*auth)); -#ifndef KERNEL - if (auth == NULL) { - (void) fprintf(stderr, "authunix_create: out of memory\n"); - return (NULL); - } -#endif - au = (struct audata *) mem_alloc(sizeof(*au)); -#ifndef KERNEL - if (au == NULL) { - (void) fprintf(stderr, "authunix_create: out of memory\n"); - return (NULL); - } -#endif - 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; -#ifdef KERNEL - au->au_origcred.oa_base = mem_alloc((u_int) len); -#else - if ((au->au_origcred.oa_base = mem_alloc((u_int) len)) == NULL) { - (void) fprintf(stderr, "authunix_create: out of memory\n"); - return (NULL); - } -#endif - bcopy(mymem, au->au_origcred.oa_base, (u_int) len); - - /* - * set auth handle to reflect new cred. - */ - auth->ah_cred = au->au_origcred; - marshal_new_auth(auth); - return (auth); -} - -/* - * Returns an auth handle with parameters determined by doing lots of - * syscalls. - */ -AUTH *authunix_create_default() -{ - register int len; - char machname[MAX_MACHINE_NAME + 1]; - register int uid; - register int gid; - gid_t gids[NGRPS]; - - if (gethostname(machname, MAX_MACHINE_NAME) == -1) - abort(); - machname[MAX_MACHINE_NAME] = 0; - uid = geteuid(); - gid = getegid(); - if ((len = getgroups(NGRPS, gids)) < 0) - abort(); - return (authunix_create(machname, uid, gid, len, gids)); -} - -/* - * authunix operations - */ - -static void authunix_nextverf(auth) -AUTH *auth; -{ - /* no action necessary */ -} - -static bool_t authunix_marshal(auth, xdrs) -AUTH *auth; -XDR *xdrs; -{ - register struct audata *au = AUTH_PRIVATE(auth); - - return (XDR_PUTBYTES(xdrs, au->au_marshed, au->au_mpos)); -} - -static bool_t authunix_validate(auth, verf) -register AUTH *auth; -struct opaque_auth verf; -{ - register 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) -register AUTH *auth; -{ - register struct audata *au = AUTH_PRIVATE(auth); - struct authunix_parms aup; - struct timeval now; - XDR xdrs; - register 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) -register AUTH *auth; -{ - register 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 void marshal_new_auth(auth) -register AUTH *auth; -{ - XDR xdr_stream; - register XDR *xdrs = &xdr_stream; - register 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); -} |