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/* $NetBSD: netbsd.c,v 1.3 2005/08/30 16:12:02 drochner Exp $ */
#include <sys/param.h>
#include <pwd.h>
#include <grp.h>
#include <nsswitch.h>
#include <stdarg.h>
#include <string.h>
#include "netbsd.h"
typedef enum nss_status NSS_STATUS;
extern NSS_STATUS _nss_ldap_setpwent(void);
static int netbsd_setpwent(void *, void *, va_list);
static int netbsd_setpassent(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_endpwent(void);
static int netbsd_endpwent(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_getpwent_r(struct passwd *,
char *, size_t, int *);
static int netbsd_getpwent(void *, void *, va_list);
static int netbsd_getpwent_r(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_getpwnam_r(const char *, struct passwd *,
char *, size_t, int *);
static int netbsd_getpwnam(void *, void *, va_list);
static int netbsd_getpwnam_r(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_getpwuid_r(uid_t, struct passwd *,
char *, size_t, int *);
static int netbsd_getpwuid(void *, void *, va_list);
static int netbsd_getpwuid_r(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_setgrent(void);
static int netbsd_setgrent(void *, void *, va_list);
static int netbsd_setgroupent(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_endgrent(void);
static int netbsd_endgrent(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_getgrent_r(struct group *,
char *, size_t, int *);
static int netbsd_getgrent(void *, void *, va_list);
static int netbsd_getgrent_r(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_getgrnam_r(const char *, struct group *,
char *, size_t, int *);
static int netbsd_getgrnam(void *, void *, va_list);
static int netbsd_getgrnam_r(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_getgrgid_r(gid_t, struct group *,
char *, size_t, int *);
static int netbsd_getgrgid(void *, void *, va_list);
static int netbsd_getgrgid_r(void *, void *, va_list);
extern NSS_STATUS _nss_ldap_initgroups_dyn(const char *, gid_t, long int *,
long int *, gid_t **, long int, int *);
static int netbsd_getgroupmembership(void *, void *, va_list);
static int nss2netbsderr[] = {
NS_SUCCESS, NS_NOTFOUND, NS_UNAVAIL, NS_TRYAGAIN, NS_RETURN
};
static struct passwd rpw;
static struct group rg;
static char pwbuf[1024], grpbuf[1024]; /* two necessary? */
static ns_mtab methods[] = {
{ NSDB_PASSWD, "setpwent", netbsd_setpwent, 0 },
{ NSDB_PASSWD, "setpassent", netbsd_setpassent, 0 },
{ NSDB_PASSWD, "endpwent", netbsd_endpwent, 0 },
{ NSDB_PASSWD, "getpwent", netbsd_getpwent, 0 },
{ NSDB_PASSWD, "getpwent_r", netbsd_getpwent_r, 0 },
{ NSDB_PASSWD, "getpwnam", netbsd_getpwnam, 0 },
{ NSDB_PASSWD, "getpwnam_r", netbsd_getpwnam_r, 0 },
{ NSDB_PASSWD, "getpwuid", netbsd_getpwuid, 0 },
{ NSDB_PASSWD, "getpwuid_r", netbsd_getpwuid_r, 0 },
{ NSDB_GROUP, "setgrent", netbsd_setgrent, 0 },
{ NSDB_GROUP, "setgroupent", netbsd_setgroupent, 0 },
{ NSDB_GROUP, "endgrent", netbsd_endgrent, 0 },
{ NSDB_GROUP, "getgrent", netbsd_getgrent, 0 },
{ NSDB_GROUP, "getgrent_r", netbsd_getgrent_r, 0 },
{ NSDB_GROUP, "getgrnam", netbsd_getgrnam, 0 },
{ NSDB_GROUP, "getgrnam_r", netbsd_getgrnam_r, 0 },
{ NSDB_GROUP, "getgrgid", netbsd_getgrgid, 0 },
{ NSDB_GROUP, "getgrgid_r", netbsd_getgrgid_r, 0 },
{ NSDB_GROUP, "getgroupmembership", netbsd_getgroupmembership, 0 },
};
static int
netbsd_setpwent(void *rv, void *cb_data, va_list ap)
{
NSS_STATUS s;
s = _nss_ldap_setpwent();
return nss2netbsderr[s];
}
static int
netbsd_setpassent(void *rv, void *cb_data, va_list ap)
{
NSS_STATUS s;
int *retval = va_arg(ap, int *);
int stayopen = va_arg(ap, int);
/* XXX stayopen ignored */
s = _nss_ldap_setpwent();
if (s == NSS_STATUS_SUCCESS)
*retval = 1;
else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_endpwent(void *rv, void *cb_data, va_list ap)
{
NSS_STATUS s;
s = _nss_ldap_endpwent();
return nss2netbsderr[s];
}
static int
netbsd_getpwent(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
struct passwd **retval = va_arg(ap, struct passwd **);
memset(&rpw, 0, sizeof(rpw));
s = _nss_ldap_getpwent_r(&rpw, pwbuf, sizeof(pwbuf), &err);
if (s == NSS_STATUS_SUCCESS) {
rpw.pw_class = ""; /* XXX */
*retval = &rpw;
} else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_getpwent_r(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
int *retval = va_arg(ap, int *);
struct passwd *pw = va_arg(ap, struct passwd *);
char *buf = va_arg(ap, char *);
size_t buflen = va_arg(ap, size_t);
struct passwd **result = va_arg(ap, struct passwd **);
memset(pw, 0, sizeof(*pw));
s = _nss_ldap_getpwent_r(pw, buf, buflen, &err);
if (s == NSS_STATUS_SUCCESS) {
pw->pw_class = ""; /* XXX */
*result = pw;
} else
*result = 0;
if (s == NSS_STATUS_SUCCESS || s == NSS_STATUS_NOTFOUND)
*retval = 0;
else
*retval = 1;
return nss2netbsderr[s];
}
static int
netbsd_getpwnam(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
struct passwd **retval = va_arg(ap, struct passwd **);
const char *name = va_arg(ap, const char *);
memset(&rpw, 0, sizeof(rpw));
s = _nss_ldap_getpwnam_r(name, &rpw, pwbuf, sizeof(pwbuf), &err);
if (s == NSS_STATUS_SUCCESS) {
rpw.pw_class = ""; /* XXX */
*retval = &rpw;
} else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_getpwnam_r(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
int *retval = va_arg(ap, int *);
const char *name = va_arg(ap, const char *);
struct passwd *pw = va_arg(ap, struct passwd *);
char *buf = va_arg(ap, char *);
size_t buflen = va_arg(ap, size_t);
struct passwd **result = va_arg(ap, struct passwd **);
memset(pw, 0, sizeof(*pw));
s = _nss_ldap_getpwnam_r(name, pw, buf, buflen, &err);
if (s == NSS_STATUS_SUCCESS) {
pw->pw_class = ""; /* XXX */
*result = pw;
} else
*result = 0;
if (s == NSS_STATUS_SUCCESS || s == NSS_STATUS_NOTFOUND)
*retval = 0;
else
*retval = 1;
return nss2netbsderr[s];
}
static int
netbsd_getpwuid(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
struct passwd **retval = va_arg(ap, struct passwd **);
uid_t uid = va_arg(ap, uid_t);
memset(&rpw, 0, sizeof(rpw));
s = _nss_ldap_getpwuid_r(uid, &rpw, pwbuf, sizeof(pwbuf), &err);
if (s == NSS_STATUS_SUCCESS) {
rpw.pw_class = ""; /* XXX */
*retval = &rpw;
} else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_getpwuid_r(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
int *retval = va_arg(ap, int *);
uid_t uid = va_arg(ap, uid_t);
struct passwd *pw = va_arg(ap, struct passwd *);
char *buf = va_arg(ap, char *);
size_t buflen = va_arg(ap, size_t);
struct passwd **result = va_arg(ap, struct passwd **);
memset(pw, 0, sizeof(*pw));
s = _nss_ldap_getpwuid_r(uid, pw, buf, buflen, &err);
if (s == NSS_STATUS_SUCCESS) {
pw->pw_class = ""; /* XXX */
*result = pw;
} else
*result = 0;
if (s == NSS_STATUS_SUCCESS || s == NSS_STATUS_NOTFOUND)
*retval = 0;
else
*retval = 1;
return nss2netbsderr[s];
}
static int
netbsd_setgrent(void *rv, void *cb_data, va_list ap)
{
NSS_STATUS s;
s = _nss_ldap_setgrent();
return nss2netbsderr[s];
}
static int
netbsd_setgroupent(void *rv, void *cb_data, va_list ap)
{
NSS_STATUS s;
int *retval = va_arg(ap, int *);
int stayopen = va_arg(ap, int);
/* XXX stayopen ignored */
s = _nss_ldap_setgrent();
if (s == NSS_STATUS_SUCCESS)
*retval = 1;
else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_endgrent(void *rv, void *cb_data, va_list ap)
{
NSS_STATUS s;
s = _nss_ldap_endgrent();
return nss2netbsderr[s];
}
static int
netbsd_getgrent(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
struct group **retval = va_arg(ap, struct group **);
memset(&rg, 0, sizeof(rg));
s = _nss_ldap_getgrent_r(&rg, grpbuf, sizeof(grpbuf), &err);
if (s == NSS_STATUS_SUCCESS)
*retval = &rg;
else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_getgrent_r(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
int *retval = va_arg(ap, int *);
struct group *grp = va_arg(ap, struct group *);
char *buf = va_arg(ap, char *);
size_t buflen = va_arg(ap, size_t);
struct group **result = va_arg(ap, struct group **);
memset(grp, 0, sizeof(*grp));
s = _nss_ldap_getgrent_r(grp, buf, buflen, &err);
if (s == NSS_STATUS_SUCCESS)
*result = grp;
else
*result = 0;
if (s == NSS_STATUS_SUCCESS || s == NSS_STATUS_NOTFOUND)
*retval = 0;
else
*retval = 1;
return nss2netbsderr[s];
}
static int
netbsd_getgrnam(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
struct group **retval = va_arg(ap, struct group **);
const char *name = va_arg(ap, const char *);
memset(&rg, 0, sizeof(rg));
s = _nss_ldap_getgrnam_r(name, &rg, grpbuf, sizeof(grpbuf), &err);
if (s == NSS_STATUS_SUCCESS)
*retval = &rg;
else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_getgrnam_r(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
int *retval = va_arg(ap, int *);
const char *name = va_arg(ap, const char *);
struct group *grp = va_arg(ap, struct group *);
char *buf = va_arg(ap, char *);
size_t buflen = va_arg(ap, size_t);
struct group **result = va_arg(ap, struct group **);
memset(grp, 0, sizeof(*grp));
s = _nss_ldap_getgrnam_r(name, grp, buf, buflen, &err);
if (s == NSS_STATUS_SUCCESS)
*result = grp;
else
*result = 0;
if (s == NSS_STATUS_SUCCESS || s == NSS_STATUS_NOTFOUND)
*retval = 0;
else
*retval = 1;
return nss2netbsderr[s];
}
static int
netbsd_getgrgid(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
struct group **retval = va_arg(ap, struct group **);
gid_t gid = va_arg(ap, gid_t);
memset(&rg, 0, sizeof(rg));
s = _nss_ldap_getgrgid_r(gid, &rg, grpbuf, sizeof(grpbuf), &err);
if (s == NSS_STATUS_SUCCESS)
*retval = &rg;
else
*retval = 0;
return nss2netbsderr[s];
}
static int
netbsd_getgrgid_r(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
int *retval = va_arg(ap, int *);
gid_t gid = va_arg(ap, gid_t);
struct group *grp = va_arg(ap, struct group *);
char *buf = va_arg(ap, char *);
size_t buflen = va_arg(ap, size_t);
struct group **result = va_arg(ap, struct group **);
memset(grp, 0, sizeof(*grp));
s = _nss_ldap_getgrgid_r(gid, grp, buf, buflen, &err);
if (s == NSS_STATUS_SUCCESS)
*result = grp;
else
*result = 0;
if (s == NSS_STATUS_SUCCESS || s == NSS_STATUS_NOTFOUND)
*retval = 0;
else
*retval = 1;
return nss2netbsderr[s];
}
static int
netbsd_getgroupmembership(void *rv, void *cb_data, va_list ap)
{
int err;
NSS_STATUS s;
int *retval = va_arg(ap, int *);
const char *user = va_arg(ap, const char *);
gid_t group = va_arg(ap, gid_t);
gid_t *groups = va_arg(ap, gid_t *);
int limit = va_arg(ap, int);
int *size = va_arg(ap, int*);
gid_t *tmpgroups;
long int lstart, lsize;
tmpgroups = malloc(limit * sizeof(gid_t));
if (!tmpgroups)
return NS_TRYAGAIN;
/* insert primary membership */
if (*size < limit) {
tmpgroups[0] = group;
(*size)++;
}
lstart = *size;
lsize = limit;
s = _nss_ldap_initgroups_dyn(user, group, &lstart, &lsize,
&tmpgroups, 0, &err);
if (s == NSS_STATUS_SUCCESS) {
if (lstart > limit) {
memcpy(groups, tmpgroups, limit * sizeof(gid_t));
*retval = -1;
} else {
memcpy(groups, tmpgroups, lstart * sizeof(gid_t));
*retval = 0;
}
*size = lstart;
s = NSS_STATUS_NOTFOUND;
}
free(tmpgroups);
return nss2netbsderr[s];
}
ns_mtab *
nss_module_register(const char *source, unsigned int *mtabsize,
nss_module_unregister_fn *unreg)
{
*mtabsize = sizeof(methods)/sizeof(methods[0]);
*unreg = NULL;
return (methods);
}
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