diff options
| author | Arthur de Jong <arthur@arthurdejong.org> | 2006-10-11 15:34:15 +0200 |
|---|---|---|
| committer | Arthur de Jong <arthur@arthurdejong.org> | 2006-10-11 15:34:15 +0200 |
| commit | 6f17403298cf33747a45fb5ecbe78bf7632531f9 (patch) | |
| tree | a5fc4cfdc3b091a0ee86f3c5c8d5e0ea8fc2c564 /irs-hosts.c | |
import release 251 of nss-ldap
git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss_ldap-251@1 ef36b2f9-881f-0410-afb5-c4e39611909c
Diffstat (limited to 'irs-hosts.c')
| -rw-r--r-- | irs-hosts.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/irs-hosts.c b/irs-hosts.c new file mode 100644 index 0000000..216d944 --- /dev/null +++ b/irs-hosts.c @@ -0,0 +1,201 @@ +/* Copyright (C) 1997-2005 Luke Howard. + This file is part of the nss_ldap library. + Contributed by Luke Howard, <lukeh@padl.com>, 1997. + + The nss_ldap library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The nss_ldap library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the nss_ldap library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_IRS_H + +#include <errno.h> +#include "irs-nss.h" + +/* $Id: irs-hosts.c,v 2.26 2005/05/20 05:30:39 lukeh Exp $ */ + +#ifdef HAVE_USERSEC_H +void *ho_pvtinit (void); +#endif +IRS_EXPORT void ho_close (struct irs_ho *this); +IRS_EXPORT struct hostent *ho_byname (struct irs_ho *this, const char *name); +IRS_EXPORT struct hostent *ho_byname2 (struct irs_ho *this, const char *name, + int af); +IRS_EXPORT struct hostent *ho_byaddr (struct irs_ho *this, const void *addr, + int len, int af); +IRS_EXPORT struct hostent *ho_next (struct irs_ho *this); +IRS_EXPORT void ho_rewind (struct irs_ho *this); +IRS_EXPORT void ho_minimize (struct irs_ho *this); + + +static const u_char mapped[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xff, 0xff }; +static const u_char tunnelled[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + +struct pvt +{ + struct hostent result; + char buffer[NSS_BUFLEN_HOSTS]; + ent_context_t *state; +}; + +IRS_EXPORT struct hostent * +ho_byname (struct irs_ho *this, const char *name) +{ + NSS_STATUS s; + struct pvt *pvt = (struct pvt *) this->private; + ldap_args_t a; + + LA_INIT (a); + LA_STRING (a) = name; + LA_TYPE (a) = LA_TYPE_STRING; + + s = _nss_ldap_getbyname (&a, + &pvt->result, + pvt->buffer, + sizeof (pvt->buffer), + &errno, + _nss_ldap_filt_gethostbyname, + LM_HOSTS, _nss_ldap_parse_hostv4); + + if (s != NSS_SUCCESS) + { + MAP_H_ERRNO (s, h_errno); + return NULL; + } + return &pvt->result; +} + +IRS_EXPORT struct hostent * +ho_byaddr (struct irs_ho *this, const void *addr, int len, int af) +{ + struct pvt *pvt = (struct pvt *) this->private; + char tmp[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"]; + const u_char *uaddr = addr; + NSS_STATUS s; + ldap_args_t a; + + if (af == AF_INET6 && len == IN6ADDRSZ + && (!memcmp (uaddr, mapped, sizeof mapped) || + !memcmp (uaddr, tunnelled, sizeof tunnelled))) + { + /* Unmap. */ + addr = (u_char *) addr + sizeof mapped; + uaddr += sizeof mapped; + af = AF_INET; + len = INADDRSZ; + } + if (inet_ntop (af, uaddr, tmp, sizeof tmp) == NULL) + { + h_errno = NETDB_INTERNAL; + return (NULL); + } + + LA_INIT (a); + LA_STRING (a) = tmp; + LA_TYPE (a) = LA_TYPE_STRING; + + s = _nss_ldap_getbyname (&a, + &pvt->result, + pvt->buffer, + sizeof (pvt->buffer), + &errno, + _nss_ldap_filt_gethostbyaddr, + LM_HOSTS, _nss_ldap_parse_hostv4); + + if (s != NSS_SUCCESS) + { + MAP_H_ERRNO (s, h_errno); + return NULL; + } + return &pvt->result; +} + +IRS_EXPORT void +ho_close (struct irs_ho *this) +{ + LOOKUP_ENDENT (this); +#ifdef HAVE_USERSEC_H + free (this->private); + free (this); +#endif +} + +IRS_EXPORT struct hostent * +ho_next (struct irs_ho *this) +{ + struct pvt *pvt = (struct pvt *) this->private; + NSS_STATUS s; + + s = _nss_ldap_getent (&pvt->state, + &pvt->result, + pvt->buffer, + sizeof (pvt->buffer), + &errno, + _nss_ldap_filt_gethostent, + LM_HOSTS, _nss_ldap_parse_hostv4); + + if (s != NSS_SUCCESS) + { + MAP_H_ERRNO (s, h_errno); + return NULL; + } + return &pvt->result; +} + +IRS_EXPORT void +ho_rewind (struct irs_ho *this) +{ + LOOKUP_SETENT (this); +} + +IRS_EXPORT void +ho_minimize (struct irs_ho *this) +{ +} + +#ifdef HAVE_USERSEC_H +void * +ho_pvtinit (void) +#else +struct irs_ho * +irs_ldap_ho (struct irs_acc *this) +#endif +{ + struct irs_ho *ho; + struct pvt *pvt; + + ho = calloc (1, sizeof (*ho)); + if (ho == NULL) + return NULL; + + pvt = calloc (1, sizeof (*pvt)); + if (pvt == NULL) + { + free (ho); + return NULL; + } + + pvt->state = NULL; + ho->private = pvt; + ho->close = ho_close; + ho->next = ho_next; + ho->byname = ho_byname; +/* ho->byname2 = ho_byname2; */ + ho->byaddr = ho_byaddr; + ho->rewind = ho_rewind; + ho->minimize = ho_minimize; + return ho; +} + +#endif /*HAVE_IRS_H */ |