diff options
Diffstat (limited to 'contrib/bind/lib/irs/getpwent.c')
-rw-r--r-- | contrib/bind/lib/irs/getpwent.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/contrib/bind/lib/irs/getpwent.c b/contrib/bind/lib/irs/getpwent.c new file mode 100644 index 0000000..8e4d897 --- /dev/null +++ b/contrib/bind/lib/irs/getpwent.c @@ -0,0 +1,135 @@ +/* + * Copyright (c) 1996 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: getpwent.c,v 1.13 1998/03/21 00:59:48 halley Exp $"; +#endif + +/* Imports */ + +#include "port_before.h" + +#ifndef WANT_IRS_PW +static int __bind_irs_pw_unneeded; +#else + +#include <sys/types.h> + +#include <errno.h> +#include <pwd.h> +#include <stdio.h> + +#include <irs.h> + +#include "port_after.h" + +#include "irs_data.h" + +/* Forward */ + +static struct irs_pw * init(void); + +/* Public */ + +struct passwd * +getpwent(void) { + struct irs_pw *pw = init(); + + if (!pw) + return (NULL); + net_data.pw_last = (*pw->next)(pw); + return (net_data.pw_last); +} + +struct passwd * +getpwnam(const char *name) { + struct irs_pw *pw = init(); + + if (!pw) + return (NULL); + if (net_data.pw_stayopen && net_data.pw_last && + !strcmp(net_data.pw_last->pw_name, name)) + return (net_data.pw_last); + net_data.pw_last = (*pw->byname)(pw, name); + if (!net_data.pw_stayopen) + endpwent(); + return (net_data.pw_last); +} + +struct passwd * +getpwuid(uid_t uid) { + struct irs_pw *pw = init(); + + if (!pw) + return (NULL); + if (net_data.pw_stayopen && net_data.pw_last && + net_data.pw_last->pw_uid == uid) + return (net_data.pw_last); + net_data.pw_last = (*pw->byuid)(pw, uid); + if (!net_data.pw_stayopen) + endpwent(); + return (net_data.pw_last); +} + +int +setpassent(int stayopen) { + struct irs_pw *pw = init(); + + if (!pw) + return (0); + (*pw->rewind)(pw); + net_data.pw_stayopen = (stayopen != 0); + return (1); +} + +#ifdef SETPWENT_VOID +void +setpwent() { + (void) setpassent(0); +} +#else +int +setpwent() { + return (setpassent(0)); +} +#endif + +void +endpwent() { + struct irs_pw *pw = init(); + + if (pw != NULL) + (*pw->minimize)(pw); +} + +/* Private */ + +static struct irs_pw * +init() { + if (!net_data_init()) + goto error; + if (!net_data.pw) + net_data.pw = (*net_data.irs->pw_map)(net_data.irs); + if (!net_data.pw) { + error: + errno = EIO; + return (NULL); + } + return (net_data.pw); +} + +#endif /* WANT_IRS_PW */ |