diff options
Diffstat (limited to 'contrib/bind9/lib/bind/irs/getgrent.c')
| -rw-r--r-- | contrib/bind9/lib/bind/irs/getgrent.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/contrib/bind9/lib/bind/irs/getgrent.c b/contrib/bind9/lib/bind/irs/getgrent.c new file mode 100644 index 0000000..7c394f2 --- /dev/null +++ b/contrib/bind9/lib/bind/irs/getgrent.c @@ -0,0 +1,223 @@ +/* + * 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(LINT) && !defined(CODECENTER) +static const char rcsid[] = "$Id: getgrent.c,v 1.3.206.1 2004/03/09 08:33:35 marka Exp $"; +#endif + +/* Imports */ + +#include "port_before.h" + +#if !defined(WANT_IRS_GR) || defined(__BIND_NOSTATIC) +static int __bind_irs_gr_unneeded; +#else + +#include <sys/types.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> + +#include <errno.h> +#include <grp.h> +#include <resolv.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +#include <irs.h> + +#include "port_after.h" + +#include "irs_data.h" + +/* Forward */ + +static struct net_data *init(void); +void endgrent(void); + +/* Public */ + +struct group * +getgrent() { + struct net_data *net_data = init(); + + return (getgrent_p(net_data)); +} + +struct group * +getgrnam(const char *name) { + struct net_data *net_data = init(); + + return (getgrnam_p(name, net_data)); +} + +struct group * +getgrgid(gid_t gid) { + struct net_data *net_data = init(); + + return (getgrgid_p(gid, net_data)); +} + +int +setgroupent(int stayopen) { + struct net_data *net_data = init(); + + return (setgroupent_p(stayopen, net_data)); +} + +#ifdef SETGRENT_VOID +void +setgrent(void) { + struct net_data *net_data = init(); + + setgrent_p(net_data); +} +#else +int +setgrent(void) { + struct net_data *net_data = init(); + + return (setgrent_p(net_data)); +} +#endif /* SETGRENT_VOID */ + +void +endgrent() { + struct net_data *net_data = init(); + + endgrent_p(net_data); +} + +int +getgrouplist(GETGROUPLIST_ARGS) { + struct net_data *net_data = init(); + + return (getgrouplist_p(name, basegid, groups, ngroups, net_data)); +} + +/* Shared private. */ + +struct group * +getgrent_p(struct net_data *net_data) { + struct irs_gr *gr; + + if (!net_data || !(gr = net_data->gr)) + return (NULL); + net_data->gr_last = (*gr->next)(gr); + return (net_data->gr_last); +} + +struct group * +getgrnam_p(const char *name, struct net_data *net_data) { + struct irs_gr *gr; + + if (!net_data || !(gr = net_data->gr)) + return (NULL); + if (net_data->gr_stayopen && net_data->gr_last && + !strcmp(net_data->gr_last->gr_name, name)) + return (net_data->gr_last); + net_data->gr_last = (*gr->byname)(gr, name); + if (!net_data->gr_stayopen) + endgrent(); + return (net_data->gr_last); +} + +struct group * +getgrgid_p(gid_t gid, struct net_data *net_data) { + struct irs_gr *gr; + + if (!net_data || !(gr = net_data->gr)) + return (NULL); + if (net_data->gr_stayopen && net_data->gr_last && + (gid_t)net_data->gr_last->gr_gid == gid) + return (net_data->gr_last); + net_data->gr_last = (*gr->bygid)(gr, gid); + if (!net_data->gr_stayopen) + endgrent(); + return (net_data->gr_last); +} + +int +setgroupent_p(int stayopen, struct net_data *net_data) { + struct irs_gr *gr; + + if (!net_data || !(gr = net_data->gr)) + return (0); + (*gr->rewind)(gr); + net_data->gr_stayopen = (stayopen != 0); + if (stayopen == 0) + net_data_minimize(net_data); + return (1); +} + +#ifdef SETGRENT_VOID +void +setgrent_p(struct net_data *net_data) { + (void)setgroupent_p(0, net_data); +} +#else +int +setgrent_p(struct net_data *net_data) { + return (setgroupent_p(0, net_data)); +} +#endif /* SETGRENT_VOID */ + +void +endgrent_p(struct net_data *net_data) { + struct irs_gr *gr; + + if ((net_data != NULL) && ((gr = net_data->gr) != NULL)) + (*gr->minimize)(gr); +} + +int +getgrouplist_p(const char *name, gid_t basegid, gid_t *groups, int *ngroups, + struct net_data *net_data) { + struct irs_gr *gr; + + if (!net_data || !(gr = net_data->gr)) { + *ngroups = 0; + return (-1); + } + return ((*gr->list)(gr, name, basegid, groups, ngroups)); +} + +/* Private */ + +static struct net_data * +init() { + struct net_data *net_data; + + if (!(net_data = net_data_init(NULL))) + goto error; + if (!net_data->gr) { + net_data->gr = (*net_data->irs->gr_map)(net_data->irs); + + if (!net_data->gr || !net_data->res) { + error: + errno = EIO; + return (NULL); + } + (*net_data->gr->res_set)(net_data->gr, net_data->res, + NULL); + } + + return (net_data); +} + +#endif /* WANT_IRS_GR */ |
