diff options
Diffstat (limited to 'contrib/bind/lib/irs/getgrent.c')
-rw-r--r-- | contrib/bind/lib/irs/getgrent.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/contrib/bind/lib/irs/getgrent.c b/contrib/bind/lib/irs/getgrent.c new file mode 100644 index 0000000..df34447fb0 --- /dev/null +++ b/contrib/bind/lib/irs/getgrent.c @@ -0,0 +1,147 @@ +/* + * Copyright (c) 1996, 1998 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE + * CONSORTIUM 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 char rcsid[] = "$Id: getgrent.c,v 1.13 1998/03/21 00:59:47 halley Exp $"; +#endif + +/* Imports */ + +#include "port_before.h" + +#ifndef WANT_IRS_GR +static int __bind_irs_gr_unneeded; +#else + +#include <sys/types.h> + +#include <errno.h> +#include <grp.h> +#include <stdio.h> + +#include <irs.h> + +#include "port_after.h" + +#include "irs_data.h" + +/* Forward */ + +static struct irs_gr * init(void); +void endgrent(void); + +/* Public */ + +struct group * +getgrent() { + struct irs_gr *gr = init(); + + if (!gr) + return (NULL); + net_data.gr_last = (*gr->next)(gr); + return (net_data.gr_last); +} + +struct group * +getgrnam(const char *name) { + struct irs_gr *gr = init(); + + if (!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(gid_t gid) { + struct irs_gr *gr = init(); + + if (!gr) + return (NULL); + if (net_data.gr_stayopen && net_data.gr_last && + 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(int stayopen) { + struct irs_gr *gr = init(); + + if (!gr) + return (0); + (*gr->rewind)(gr); + net_data.gr_stayopen = (stayopen != 0); + return (1); +} + +#ifdef SETGRENT_VOID +void +setgrent() { + (void)setgroupent(0); +} +#else +int +setgrent() { + return (setgroupent(0)); +} +#endif /* SETGRENT_VOID */ + +void +endgrent() { + struct irs_gr *gr = init(); + + if (gr != NULL) + (*gr->minimize)(gr); +} + +int +getgrouplist(const char *name, gid_t basegid, gid_t *groups, int *ngroups) { + struct irs_gr *gr = init(); + + if (!gr) { + *ngroups = 0; + return (-1); + } + return ((*gr->list)(gr, name, basegid, groups, ngroups)); +} + +/* Private */ + +static struct irs_gr * +init() { + if (!net_data_init()) + goto error; + if (!net_data.gr) + net_data.gr = (*net_data.irs->gr_map)(net_data.irs); + if (!net_data.gr) { + error: + errno = EIO; + return (NULL); + } + return (net_data.gr); +} + +#endif /* WANT_IRS_GR */ |