diff options
Diffstat (limited to 'usr/src/lib/libresolv2/common/irs/getpwent.c')
| -rw-r--r-- | usr/src/lib/libresolv2/common/irs/getpwent.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/usr/src/lib/libresolv2/common/irs/getpwent.c b/usr/src/lib/libresolv2/common/irs/getpwent.c new file mode 100644 index 0000000000..8b4667c716 --- /dev/null +++ b/usr/src/lib/libresolv2/common/irs/getpwent.c @@ -0,0 +1,206 @@ +/* + * Copyright (c) 1997-2001 by Sun Microsystems, Inc. + * All rights reserved. + */ + +/* + * 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 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. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#if !defined(LINT) && !defined(CODECENTER) +static const char rcsid[] = "$Id: getpwent.c,v 1.21 2000/02/21 21:40:56 vixie Exp $"; +#endif + +/* Imports */ + +#include "port_before.h" + +#if !defined(WANT_IRS_PW) || defined(__BIND_NOSTATIC) +static int __bind_irs_pw_unneeded; +#else + +#include <sys/types.h> + +#include <netinet/in.h> +#include <arpa/nameser.h> + +#include <errno.h> +#include <pwd.h> +#include <resolv.h> +#include <stdio.h> + +#include <irs.h> + +#include "port_after.h" + +#include "irs_data.h" + +/* Forward */ + +static struct net_data * init(void); + +/* Public */ + +struct passwd * +getpwent(void) { + struct net_data *net_data = init(); + + return (getpwent_p(net_data)); +} + +struct passwd * +getpwnam(const char *name) { + struct net_data *net_data = init(); + + return (getpwnam_p(name, net_data)); +} + +struct passwd * +getpwuid(uid_t uid) { + struct net_data *net_data = init(); + + return (getpwuid_p(uid, net_data)); +} + +int +setpassent(int stayopen) { + struct net_data *net_data = init(); + + return (setpassent_p(stayopen, net_data)); +} + +#ifdef SETPWENT_VOID +void +setpwent() { + struct net_data *net_data = init(); + + setpwent_p(net_data); +} +#else +int +setpwent() { + struct net_data *net_data = init(); + + return (setpwent_p(net_data)); +} +#endif + +void +endpwent() { + struct net_data *net_data = init(); + + endpwent_p(net_data); +} + +/* Shared private. */ + +struct passwd * +getpwent_p(struct net_data *net_data) { + struct irs_pw *pw; + + if (!net_data || !(pw = net_data->pw)) + return (NULL); + net_data->pw_last = (*pw->next)(pw); + return (net_data->pw_last); +} + +struct passwd * +getpwnam_p(const char *name, struct net_data *net_data) { + struct irs_pw *pw; + + if (!net_data || !(pw = net_data->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_p(uid_t uid, struct net_data *net_data) { + struct irs_pw *pw; + + if (!net_data || !(pw = net_data->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_p(int stayopen, struct net_data *net_data) { + struct irs_pw *pw; + + if (!net_data || !(pw = net_data->pw)) + return (0); + (*pw->rewind)(pw); + net_data->pw_stayopen = (stayopen != 0); + if (stayopen == 0) + net_data_minimize(net_data); + return (1); +} + +#ifdef SETPWENT_VOID +void +setpwent_p(struct net_data *net_data) { + (void) setpassent_p(0, net_data); +} +#else +int +setpwent_p(struct net_data *net_data) { + return (setpassent_p(0, net_data)); +} +#endif + +void +endpwent_p(struct net_data *net_data) { + struct irs_pw *pw; + + if ((net_data != NULL) && ((pw = net_data->pw) != NULL)) + (*pw->minimize)(pw); +} + +/* Private */ + +static struct net_data * +init() { + struct net_data *net_data; + if (!(net_data = net_data_init(NULL))) + goto error; + if (!net_data->pw) { + net_data->pw = (*net_data->irs->pw_map)(net_data->irs); + + if (!net_data->pw || !net_data->res) { + error: + errno = EIO; + return (NULL); + } + (*net_data->pw->res_set)(net_data->pw, net_data->res, NULL); + } + + return (net_data); +} + +#endif /* WANT_IRS_PW */ |