diff options
Diffstat (limited to 'contrib/bind9/lib/bind/irs/nis_ng.c')
-rw-r--r-- | contrib/bind9/lib/bind/irs/nis_ng.c | 304 |
1 files changed, 0 insertions, 304 deletions
diff --git a/contrib/bind9/lib/bind/irs/nis_ng.c b/contrib/bind9/lib/bind/irs/nis_ng.c deleted file mode 100644 index f2298b2..0000000 --- a/contrib/bind9/lib/bind/irs/nis_ng.c +++ /dev/null @@ -1,304 +0,0 @@ -/* - * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") - * Copyright (c) 1996,1999 by Internet Software Consortium. - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR - * ANY SPECIAL, DIRECT, 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static const char rcsid[] = "$Id: nis_ng.c,v 1.3.18.1 2005/04/27 05:01:03 sra Exp $"; -#endif - -/* Imports */ - -#include "port_before.h" - -#ifndef WANT_IRS_NIS -static int __bind_irs_nis_unneeded; -#else - -#include <sys/types.h> -#include <netinet/in.h> -#include <rpc/rpc.h> -#include <rpc/xdr.h> -#include <rpcsvc/yp_prot.h> -#include <rpcsvc/ypclnt.h> - -#include <isc/assertions.h> -#include <ctype.h> -#include <errno.h> -#include <netdb.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include <netinet/in.h> -#ifdef T_NULL -#undef T_NULL /* Silence re-definition warning of T_NULL. */ -#endif -#include <arpa/nameser.h> -#include <resolv.h> - -#include <isc/memcluster.h> -#include <irs.h> - -#include "port_after.h" - -#include "irs_p.h" -#include "nis_p.h" - -/* Definitions */ - -struct tmpgrp { - const char * name; - const char * host; - const char * user; - const char * domain; - struct tmpgrp * next; -}; - -struct pvt { - char * nis_domain; - struct tmpgrp * tmp; - struct tmpgrp * cur; - char * tmpgroup; -}; - -enum do_what { do_none = 0x0, do_key = 0x1, do_val = 0x2, do_all = 0x3 }; - -static /*const*/ char netgroup_map[] = "netgroup"; - -/* Forward */ - -static void ng_close(struct irs_ng *); -static int ng_next(struct irs_ng *, const char **, - const char **, const char **); -static int ng_test(struct irs_ng *, - const char *, const char *, - const char *, const char *); -static void ng_rewind(struct irs_ng *, const char *); -static void ng_minimize(struct irs_ng *); - -static void add_group_to_list(struct pvt *, const char *, int); -static void add_tuple_to_list(struct pvt *, const char *, char *); -static void tmpfree(struct pvt *); - -/* Public */ - -struct irs_ng * -irs_nis_ng(struct irs_acc *this) { - struct irs_ng *ng; - struct pvt *pvt; - - if (!(ng = memget(sizeof *ng))) { - errno = ENOMEM; - return (NULL); - } - memset(ng, 0x5e, sizeof *ng); - if (!(pvt = memget(sizeof *pvt))) { - memput(ng, sizeof *ng); - errno = ENOMEM; - return (NULL); - } - memset(pvt, 0, sizeof *pvt); - pvt->nis_domain = ((struct nis_p *)this->private)->domain; - ng->private = pvt; - ng->close = ng_close; - ng->next = ng_next; - ng->test = ng_test; - ng->rewind = ng_rewind; - ng->minimize = ng_minimize; - return (ng); -} - -/* Methods */ - -static void -ng_close(struct irs_ng *this) { - struct pvt *pvt = (struct pvt *)this->private; - - tmpfree(pvt); - memput(pvt, sizeof *pvt); - memput(this, sizeof *this); -} - -static int -ng_next(struct irs_ng *this, const char **host, const char **user, const char **domain) { - struct pvt *pvt = (struct pvt *)this->private; - - if (!pvt->cur) - return (0); - *host = pvt->cur->host; - *user = pvt->cur->user; - *domain = pvt->cur->domain; - pvt->cur = pvt->cur->next; - return (1); -} - -static int -ng_test(struct irs_ng *this, const char *name, - const char *host, const char *user, const char *domain) -{ - struct pvt *pvt = (struct pvt *)this->private; - struct tmpgrp *cur; - - tmpfree(pvt); - add_group_to_list(pvt, name, strlen(name)); - for (cur = pvt->tmp; cur; cur = cur->next) { - if ((!host || !cur->host || !strcmp(host, cur->host)) && - (!user || !cur->user || !strcmp(user, cur->user)) && - (!domain || !cur->domain || !strcmp(domain, cur->domain))) - break; - } - tmpfree(pvt); - return ((cur == NULL) ? 0 : 1); -} - -static void -ng_rewind(struct irs_ng *this, const char *name) { - struct pvt *pvt = (struct pvt *)this->private; - - /* Either hand back or free the existing list. */ - if (pvt->tmpgroup) { - if (pvt->tmp && !strcmp(pvt->tmpgroup, name)) - goto reset; - tmpfree(pvt); - } - pvt->tmpgroup = strdup(name); - add_group_to_list(pvt, name, strlen(name)); - reset: - pvt->cur = pvt->tmp; -} - -static void -ng_minimize(struct irs_ng *this) { - UNUSED(this); - /* NOOP */ -} - -/* Private */ - -static void -add_group_to_list(struct pvt *pvt, const char *name, int len) { - char *vdata, *cp, *np; - struct tmpgrp *tmp; - int vlen, r; - char *nametmp; - - /* Don't add the same group to the list more than once. */ - for (tmp = pvt->tmp; tmp; tmp = tmp->next) - if (!strcmp(tmp->name, name)) - return; - - DE_CONST(name, nametmp); - r = yp_match(pvt->nis_domain, netgroup_map, nametmp, len, - &vdata, &vlen); - if (r == 0) { - cp = vdata; - if (*cp && cp[strlen(cp)-1] == '\n') - cp[strlen(cp)-1] = '\0'; - for ( ; cp; cp = np) { - np = strchr(cp, ' '); - if (np) - *np++ = '\0'; - if (*cp == '(') - add_tuple_to_list(pvt, name, cp); - else - add_group_to_list(pvt, cp, strlen(cp)); - } - free(vdata); - } -} - -static void -add_tuple_to_list(struct pvt *pvt, const char *name, char *cp) { - struct tmpgrp *tmp; - char *tp, *np; - - INSIST(*cp++ == '('); - - tmp = malloc(sizeof *tmp + strlen(name) + sizeof '\0' + - strlen(cp) - sizeof ')'); - if (!tmp) - return; - memset(tmp, 0, sizeof *tmp); - tp = ((char *)tmp) + sizeof *tmp; - - /* Name */ - strcpy(tp, name); - tmp->name = tp; - tp += strlen(tp) + 1; - - /* Host */ - if (!(np = strchr(cp, ','))) - goto cleanup; - *np++ = '\0'; - strcpy(tp, cp); - tmp->host = tp; - tp += strlen(tp) + 1; - cp = np; - - /* User */ - if (!(np = strchr(cp, ','))) - goto cleanup; - *np++ = '\0'; - strcpy(tp, cp); - tmp->user = tp; - tp += strlen(tp) + 1; - cp = np; - - /* Domain */ - if (!(np = strchr(cp, ')'))) - goto cleanup; - *np++ = '\0'; - strcpy(tp, cp); - tmp->domain = tp; - - /* - * Empty string in file means wildcard, but - * NULL string in return value means wildcard. - */ - if (!*tmp->host) - tmp->host = NULL; - if (!*tmp->user) - tmp->user = NULL; - if (!*tmp->domain) - tmp->domain = NULL; - - /* Add to list (LIFO). */ - tmp->next = pvt->tmp; - pvt->tmp = tmp; - return; - - cleanup: - free(tmp); -} - -static void -tmpfree(struct pvt *pvt) { - struct tmpgrp *cur, *next; - - if (pvt->tmpgroup) { - free(pvt->tmpgroup); - pvt->tmpgroup = NULL; - } - for (cur = pvt->tmp; cur; cur = next) { - next = cur->next; - free(cur); - } - pvt->tmp = NULL; -} - -#endif /*WANT_IRS_NIS*/ - -/*! \file */ |