diff options
Diffstat (limited to 'contrib/bind9/lib/bind/irs/nis_gr.c')
| -rw-r--r-- | contrib/bind9/lib/bind/irs/nis_gr.c | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/contrib/bind9/lib/bind/irs/nis_gr.c b/contrib/bind9/lib/bind/irs/nis_gr.c deleted file mode 100644 index 9d4f15d..0000000 --- a/contrib/bind9/lib/bind/irs/nis_gr.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * Copyright (c) 1989, 1993, 1995 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. - */ - -/* - * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") - * Portions 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_gr.c,v 1.3.18.1 2005/04/27 05:01:03 sra Exp $"; -/* from getgrent.c 8.2 (Berkeley) 3/21/94"; */ -/* from BSDI Id: getgrent.c,v 2.8 1996/05/28 18:15:14 bostic Exp $ */ -#endif /* LIBC_SCCS and not lint */ - -/* Imports */ - -#include "port_before.h" - -#if !defined(WANT_IRS_GR) || !defined(WANT_IRS_NIS) -static int __bind_irs_gr_unneeded; -#else - -#include <sys/param.h> -#include <sys/types.h> -#include <netinet/in.h> -#include <arpa/nameser.h> -#include <resolv.h> -#include <isc/memcluster.h> - -#include <rpc/rpc.h> -#include <rpc/xdr.h> -#include <rpcsvc/yp_prot.h> -#include <rpcsvc/ypclnt.h> - -#include <errno.h> -#include <grp.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <isc/memcluster.h> - -#include <irs.h> - -#include "port_after.h" - -#include "irs_p.h" -#include "nis_p.h" - -/* Definitions */ - -struct pvt { - int needrewind; - char * nis_domain; - char * curkey_data; - int curkey_len; - char * curval_data; - int curval_len; - /*%< - * Need space to store the entries read from the group file. - * The members list also needs space per member, and the - * strings making up the user names must be allocated - * somewhere. Rather than doing lots of small allocations, - * we keep one buffer and resize it as needed. - */ - struct group group; - size_t nmemb; /*%< Malloc'd max index of gr_mem[]. */ - char * membuf; - size_t membufsize; -}; - -enum do_what { do_none = 0x0, do_key = 0x1, do_val = 0x2, do_all = 0x3 }; - -static /*const*/ char group_bygid[] = "group.bygid"; -static /*const*/ char group_byname[] = "group.byname"; - -/* Forward */ - -static void gr_close(struct irs_gr *); -static struct group * gr_next(struct irs_gr *); -static struct group * gr_byname(struct irs_gr *, const char *); -static struct group * gr_bygid(struct irs_gr *, gid_t); -static void gr_rewind(struct irs_gr *); -static void gr_minimize(struct irs_gr *); - -static struct group * makegroupent(struct irs_gr *); -static void nisfree(struct pvt *, enum do_what); - -/* Public */ - -struct irs_gr * -irs_nis_gr(struct irs_acc *this) { - struct irs_gr *gr; - struct pvt *pvt; - - if (!(gr = memget(sizeof *gr))) { - errno = ENOMEM; - return (NULL); - } - memset(gr, 0x5e, sizeof *gr); - if (!(pvt = memget(sizeof *pvt))) { - memput(gr, sizeof *gr); - errno = ENOMEM; - return (NULL); - } - memset(pvt, 0, sizeof *pvt); - pvt->needrewind = 1; - pvt->nis_domain = ((struct nis_p *)this->private)->domain; - gr->private = pvt; - gr->close = gr_close; - gr->next = gr_next; - gr->byname = gr_byname; - gr->bygid = gr_bygid; - gr->rewind = gr_rewind; - gr->list = make_group_list; - gr->minimize = gr_minimize; - gr->res_get = NULL; - gr->res_set = NULL; - return (gr); -} - -/* Methods */ - -static void -gr_close(struct irs_gr *this) { - struct pvt *pvt = (struct pvt *)this->private; - - if (pvt->group.gr_mem) - free(pvt->group.gr_mem); - if (pvt->membuf) - free(pvt->membuf); - memput(pvt, sizeof *pvt); - memput(this, sizeof *this); -} - -static struct group * -gr_next(struct irs_gr *this) { - struct pvt *pvt = (struct pvt *)this->private; - struct group *rval; - int r; - - do { - if (pvt->needrewind) { - nisfree(pvt, do_all); - r = yp_first(pvt->nis_domain, group_byname, - &pvt->curkey_data, &pvt->curkey_len, - &pvt->curval_data, &pvt->curval_len); - pvt->needrewind = 0; - } else { - char *newkey_data; - int newkey_len; - - nisfree(pvt, do_val); - r = yp_next(pvt->nis_domain, group_byname, - pvt->curkey_data, pvt->curkey_len, - &newkey_data, &newkey_len, - &pvt->curval_data, &pvt->curval_len); - nisfree(pvt, do_key); - pvt->curkey_data = newkey_data; - pvt->curkey_len = newkey_len; - } - if (r != 0) { - errno = ENOENT; - return (NULL); - } - rval = makegroupent(this); - } while (rval == NULL); - return (rval); -} - -static struct group * -gr_byname(struct irs_gr *this, const char *name) { - struct pvt *pvt = (struct pvt *)this->private; - int r; - - nisfree(pvt, do_val); - r = yp_match(pvt->nis_domain, group_byname, name, strlen(name), - &pvt->curval_data, &pvt->curval_len); - if (r != 0) { - errno = ENOENT; - return (NULL); - } - return (makegroupent(this)); -} - -static struct group * -gr_bygid(struct irs_gr *this, gid_t gid) { - struct pvt *pvt = (struct pvt *)this->private; - char tmp[sizeof "4294967295"]; - int r; - - nisfree(pvt, do_val); - (void) sprintf(tmp, "%u", (unsigned int)gid); - r = yp_match(pvt->nis_domain, group_bygid, tmp, strlen(tmp), - &pvt->curval_data, &pvt->curval_len); - if (r != 0) { - errno = ENOENT; - return (NULL); - } - return (makegroupent(this)); -} - -static void -gr_rewind(struct irs_gr *this) { - struct pvt *pvt = (struct pvt *)this->private; - - pvt->needrewind = 1; -} - -static void -gr_minimize(struct irs_gr *this) { - UNUSED(this); - /* NOOP */ -} - -/* Private */ - -static struct group * -makegroupent(struct irs_gr *this) { - struct pvt *pvt = (struct pvt *)this->private; - unsigned int num_members = 0; - char *cp, **new; - u_long t; - - if (pvt->group.gr_mem) { - free(pvt->group.gr_mem); - pvt->group.gr_mem = NULL; - pvt->nmemb = 0; - } - if (pvt->membuf) - free(pvt->membuf); - pvt->membuf = pvt->curval_data; - pvt->curval_data = NULL; - - cp = pvt->membuf; - pvt->group.gr_name = cp; - if (!(cp = strchr(cp, ':'))) - goto cleanup; - *cp++ = '\0'; - - pvt->group.gr_passwd = cp; - if (!(cp = strchr(cp, ':'))) - goto cleanup; - *cp++ = '\0'; - - errno = 0; - t = strtoul(cp, NULL, 10); - if (errno == ERANGE) - goto cleanup; - pvt->group.gr_gid = (gid_t) t; - if (!(cp = strchr(cp, ':'))) - goto cleanup; - cp++; - - if (*cp && cp[strlen(cp)-1] == '\n') - cp[strlen(cp)-1] = '\0'; - - /* - * Parse the members out. - */ - while (*cp) { - if (num_members+1 >= pvt->nmemb || pvt->group.gr_mem == NULL) { - pvt->nmemb += 10; - new = realloc(pvt->group.gr_mem, - pvt->nmemb * sizeof(char *)); - if (new == NULL) - goto cleanup; - pvt->group.gr_mem = new; - } - pvt->group.gr_mem[num_members++] = cp; - if (!(cp = strchr(cp, ','))) - break; - *cp++ = '\0'; - } - if (pvt->group.gr_mem == NULL) { - pvt->group.gr_mem = malloc(sizeof(char*)); - if (!pvt->group.gr_mem) - goto cleanup; - pvt->nmemb = 1; - } - pvt->group.gr_mem[num_members] = NULL; - - return (&pvt->group); - - cleanup: - if (pvt->group.gr_mem) { - free(pvt->group.gr_mem); - pvt->group.gr_mem = NULL; - pvt->nmemb = 0; - } - if (pvt->membuf) { - free(pvt->membuf); - pvt->membuf = NULL; - } - return (NULL); -} - -static void -nisfree(struct pvt *pvt, enum do_what do_what) { - if ((do_what & do_key) && pvt->curkey_data) { - free(pvt->curkey_data); - pvt->curkey_data = NULL; - } - if ((do_what & do_val) && pvt->curval_data) { - free(pvt->curval_data); - pvt->curval_data = NULL; - } -} - -#endif /* WANT_IRS_GR && WANT_IRS_NIS */ -/*! \file */ |
