| /* |
| * decode_yp.c |
| * |
| * RPC "Yellow Pee". |
| * |
| * Totally untested, i don't run YP. Let me know if this works. :-) |
| * |
| * Copyright (c) 2000 Dug Song <dugsong@monkey.org> |
| * |
| * $Id: decode_yp.c,v 1.6 2001/03/15 08:33:03 dugsong Exp $ |
| */ |
| |
| #include "config.h" |
| |
| #include <sys/types.h> |
| #include <sys/param.h> |
| #include <rpc/rpc.h> |
| #include <rpcsvc/yp_prot.h> |
| #include <rpcsvc/yppasswd.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "rpc.h" |
| #include "decode.h" |
| |
| /* XXX - <rpcsvc/yppasswd.x> varies on different systems :-( */ |
| |
| struct my_passwd { |
| char *pw_name; |
| char *pw_passwd; |
| int pw_uid; |
| int pw_gid; |
| char *pw_gecos; |
| char *pw_dir; |
| char *pw_shell; |
| }; |
| |
| struct my_yppasswd { |
| char *oldpass; |
| struct my_passwd newpw; |
| }; |
| |
| static bool_t |
| xdr_my_passwd(XDR *xdrs, struct my_passwd *objp) |
| { |
| if (xdr_string(xdrs, &objp->pw_name, ~0) && |
| xdr_string(xdrs, &objp->pw_passwd, ~0) && |
| xdr_int(xdrs, &objp->pw_uid) && |
| xdr_int(xdrs, &objp->pw_gid) && |
| xdr_string(xdrs, &objp->pw_gecos, ~0) && |
| xdr_string(xdrs, &objp->pw_dir, ~0) && |
| xdr_string(xdrs, &objp->pw_shell, ~0)) |
| return (TRUE); |
| |
| return (FALSE); |
| } |
| |
| static bool_t |
| xdr_my_yppasswd(XDR *xdrs, struct my_yppasswd *objp) |
| { |
| if (xdr_string(xdrs, &objp->oldpass, ~0) && |
| xdr_my_passwd(xdrs, &objp->newpw)) |
| return (TRUE); |
| |
| return (FALSE); |
| } |
| |
| int |
| decode_yppasswd(u_char *buf, int len, u_char *obuf, int olen) |
| { |
| struct rpc_msg msg; |
| struct my_yppasswd yp; |
| XDR xdrs; |
| int hdrlen; |
| |
| if ((hdrlen = rpc_decode(buf, len, &msg)) == 0) |
| return (0); |
| |
| obuf[0] = '\0'; |
| |
| if (msg.rm_direction == CALL && |
| msg.rm_call.cb_prog == YPPASSWDPROG && |
| msg.rm_call.cb_proc == YPPASSWDPROC_UPDATE) { |
| xdrmem_create(&xdrs, buf + hdrlen, len - hdrlen, XDR_DECODE); |
| memset(&yp, 0, sizeof(yp)); |
| if (xdr_my_yppasswd(&xdrs, &yp)) { |
| snprintf(obuf, olen, |
| "%s\n%s:%s:%d:%d:%s:%s:%s\n", |
| yp.oldpass, yp.newpw.pw_name, |
| yp.newpw.pw_passwd, yp.newpw.pw_uid, |
| yp.newpw.pw_gid, yp.newpw.pw_gecos, |
| yp.newpw.pw_dir, yp.newpw.pw_shell); |
| } |
| xdr_destroy(&xdrs); |
| } |
| return (strlen(obuf)); |
| } |
| |
| int |
| decode_ypserv(u_char *buf, int len, u_char *obuf, int olen) |
| { |
| struct rpc_msg msg; |
| struct xid_map *xm; |
| char *domain; |
| bool_t status; |
| XDR xdrs; |
| int hdrlen; |
| |
| if ((hdrlen = rpc_decode(buf, len, &msg)) == 0) |
| return (0); |
| |
| obuf[0] = '\0'; |
| |
| if (msg.rm_direction == CALL && |
| msg.rm_call.cb_prog == YPPROG && |
| msg.rm_call.cb_proc == YPPROC_DOMAIN) { |
| xdrmem_create(&xdrs, buf + hdrlen, len - hdrlen, XDR_DECODE); |
| domain = NULL; |
| if (xdr_string(&xdrs, &domain, YPMAXDOMAIN)) { |
| if ((domain = strdup(domain)) != NULL) |
| xid_map_enter(msg.rm_xid, YPPROG, YPVERS, |
| YPPROC_DOMAIN, (void *) domain); |
| } |
| xdr_destroy(&xdrs); |
| } |
| else if (msg.rm_direction == REPLY && |
| (xm = xid_map_find(msg.rm_xid)) != NULL) { |
| if (msg.rm_reply.rp_stat == MSG_ACCEPTED && |
| msg.acpted_rply.ar_stat == SUCCESS) { |
| xdrmem_create(&xdrs, buf + hdrlen, len - hdrlen, |
| XDR_DECODE); |
| if (xdr_bool(&xdrs, &status)) { |
| if (status == TRUE) |
| snprintf(obuf, olen, "%s\n", |
| (char *)xm->data); |
| } |
| xdr_destroy(&xdrs); |
| } |
| free(xm->data); |
| memset(xm, 0, sizeof(*xm)); |
| } |
| return (strlen(obuf)); |
| } |