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This commit is contained in:
Xavier Beaudouin
2024-06-25 09:57:57 +02:00
parent b9a8122aad
commit 016c14dd0a
68 changed files with 0 additions and 0 deletions
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198
security/sssd2.wtf/files/bsdnss.c Normal file
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#include <errno.h>
#include <sys/param.h>
#include <netinet/in.h>
#include <pwd.h>
#include <grp.h>
#include <nss.h>
#include <netdb.h>
NSS_METHOD_PROTOTYPE(__nss_compat_getgrnam_r);
NSS_METHOD_PROTOTYPE(__nss_compat_getgrgid_r);
NSS_METHOD_PROTOTYPE(__nss_compat_getgrent_r);
NSS_METHOD_PROTOTYPE(__nss_compat_setgrent);
NSS_METHOD_PROTOTYPE(__nss_compat_endgrent);
NSS_METHOD_PROTOTYPE(__nss_compat_getpwnam_r);
NSS_METHOD_PROTOTYPE(__nss_compat_getpwuid_r);
NSS_METHOD_PROTOTYPE(__nss_compat_getpwent_r);
NSS_METHOD_PROTOTYPE(__nss_compat_setpwent);
NSS_METHOD_PROTOTYPE(__nss_compat_endpwent);
NSS_METHOD_PROTOTYPE(__nss_compat_gethostbyname);
NSS_METHOD_PROTOTYPE(__nss_compat_gethostbyname2);
NSS_METHOD_PROTOTYPE(__nss_compat_gethostbyaddr);
NSS_METHOD_PROTOTYPE(__nss_compat_getgroupmembership);
extern enum nss_status _nss_sss_getgrent_r(struct group *, char *, size_t,
int *);
extern enum nss_status _nss_sss_getgrnam_r(const char *, struct group *,
char *, size_t, int *);
extern enum nss_status _nss_sss_getgrgid_r(gid_t gid, struct group *, char *,
size_t, int *);
extern enum nss_status _nss_sss_setgrent(void);
extern enum nss_status _nss_sss_endgrent(void);
extern enum nss_status _nss_sss_getpwent_r(struct passwd *, char *, size_t,
int *);
extern enum nss_status _nss_sss_getpwnam_r(const char *, struct passwd *,
char *, size_t, int *);
extern enum nss_status _nss_sss_getpwuid_r(gid_t gid, struct passwd *, char *,
size_t, int *);
extern enum nss_status _nss_sss_setpwent(void);
extern enum nss_status _nss_sss_endpwent(void);
extern enum nss_status _nss_sss_gethostbyname_r(const char *name,
struct hostent * result,
char *buffer, size_t buflen,
int *errnop,
int *h_errnop);
extern enum nss_status _nss_sss_gethostbyname2_r(const char *name, int af,
struct hostent * result,
char *buffer, size_t buflen,
int *errnop,
int *h_errnop);
extern enum nss_status _nss_sss_gethostbyaddr_r(struct in_addr * addr, int len,
int type,
struct hostent * result,
char *buffer, size_t buflen,
int *errnop, int *h_errnop);
extern enum nss_status _nss_sss_getgroupmembership(const char *uname,
gid_t agroup, gid_t *groups,
int maxgrp, int *grpcnt);
static ns_mtab methods[] = {
{ NSDB_GROUP, "getgrnam_r", __nss_compat_getgrnam_r, _nss_sss_getgrnam_r },
{ NSDB_GROUP, "getgrgid_r", __nss_compat_getgrgid_r, _nss_sss_getgrgid_r },
{ NSDB_GROUP, "getgrent_r", __nss_compat_getgrent_r, _nss_sss_getgrent_r },
{ NSDB_GROUP, "setgrent", __nss_compat_setgrent, _nss_sss_setgrent },
{ NSDB_GROUP, "endgrent", __nss_compat_endgrent, _nss_sss_endgrent },
{ NSDB_PASSWD, "getpwnam_r", __nss_compat_getpwnam_r, _nss_sss_getpwnam_r },
{ NSDB_PASSWD, "getpwuid_r", __nss_compat_getpwuid_r, _nss_sss_getpwuid_r },
{ NSDB_PASSWD, "getpwent_r", __nss_compat_getpwent_r, _nss_sss_getpwent_r },
{ NSDB_PASSWD, "setpwent", __nss_compat_setpwent, _nss_sss_setpwent },
{ NSDB_PASSWD, "endpwent", __nss_compat_endpwent, _nss_sss_endpwent },
{ NSDB_HOSTS, "gethostbyname", __nss_compat_gethostbyname, _nss_sss_gethostbyname_r },
{ NSDB_HOSTS, "gethostbyaddr", __nss_compat_gethostbyaddr, _nss_sss_gethostbyaddr_r },
{ NSDB_HOSTS, "gethostbyname2", __nss_compat_gethostbyname2, _nss_sss_gethostbyname2_r },
{ NSDB_GROUP_COMPAT, "getgrnam_r", __nss_compat_getgrnam_r, _nss_sss_getgrnam_r },
{ NSDB_GROUP_COMPAT, "getgrgid_r", __nss_compat_getgrgid_r, _nss_sss_getgrgid_r },
{ NSDB_GROUP_COMPAT, "getgrent_r", __nss_compat_getgrent_r, _nss_sss_getgrent_r },
{ NSDB_GROUP_COMPAT, "setgrent", __nss_compat_setgrent, _nss_sss_setgrent },
{ NSDB_GROUP_COMPAT, "endgrent", __nss_compat_endgrent, _nss_sss_endgrent },
{ NSDB_PASSWD_COMPAT, "getpwnam_r", __nss_compat_getpwnam_r, _nss_sss_getpwnam_r },
{ NSDB_PASSWD_COMPAT, "getpwuid_r", __nss_compat_getpwuid_r, _nss_sss_getpwuid_r },
{ NSDB_PASSWD_COMPAT, "getpwent_r", __nss_compat_getpwent_r, _nss_sss_getpwent_r },
{ NSDB_PASSWD_COMPAT, "setpwent", __nss_compat_setpwent, _nss_sss_setpwent },
{ NSDB_PASSWD_COMPAT, "endpwent", __nss_compat_endpwent, _nss_sss_endpwent },
{ NSDB_GROUP, "getgroupmembership", __nss_compat_getgroupmembership, _nss_sss_getgroupmembership },
};
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);
}
int __nss_compat_getgroupmembership(void *retval, void *mdata, va_list ap)
{
int (*fn)(const char *, gid_t, gid_t *, int, int *);
const char *uname;
gid_t agroup;
gid_t *groups;
int maxgrp;
int *grpcnt;
int errnop = 0;
enum nss_status status;
fn = mdata;
uname = va_arg(ap, const char *);
agroup = va_arg(ap, gid_t);
groups = va_arg(ap, gid_t *);
maxgrp = va_arg(ap, int);
grpcnt = va_arg(ap, int *);
status = fn(uname, agroup, groups, maxgrp, grpcnt);
status = __nss_compat_result(status, errnop);
return (status);
}
int __nss_compat_gethostbyname(void *retval, void *mdata, va_list ap)
{
enum nss_status (*fn)(const char *, struct hostent *, char *, size_t, int *, int *);
const char *name;
struct hostent *result;
char buffer[1024];
size_t buflen = 1024;
int errnop;
int h_errnop;
int af;
enum nss_status status;
fn = mdata;
name = va_arg(ap, const char*);
af = va_arg(ap,int);
result = va_arg(ap,struct hostent *);
status = fn(name, result, buffer, buflen, &errnop, &h_errnop);
status = __nss_compat_result(status,errnop);
h_errno = h_errnop;
return (status);
}
int __nss_compat_gethostbyname2(void *retval, void *mdata, va_list ap)
{
enum nss_status (*fn)(const char *, struct hostent *, char *, size_t, int *, int *);
const char *name;
struct hostent *result;
char buffer[1024];
size_t buflen = 1024;
int errnop;
int h_errnop;
int af;
enum nss_status status;
fn = mdata;
name = va_arg(ap, const char*);
af = va_arg(ap,int);
result = va_arg(ap,struct hostent *);
status = fn(name, result, buffer, buflen, &errnop, &h_errnop);
status = __nss_compat_result(status,errnop);
h_errno = h_errnop;
return (status);
}
int __nss_compat_gethostbyaddr(void *retval, void *mdata, va_list ap)
{
struct in_addr *addr;
int len;
int type;
struct hostent *result;
char buffer[1024];
size_t buflen = 1024;
int errnop;
int h_errnop;
enum nss_status (*fn)(struct in_addr *, int, int, struct hostent *, char *, size_t, int *, int *);
enum nss_status status;
fn = mdata;
addr = va_arg(ap, struct in_addr*);
len = va_arg(ap,int);
type = va_arg(ap,int);
result = va_arg(ap, struct hostent*);
status = fn(addr, len, type, result, buffer, buflen, &errnop, &h_errnop);
status = __nss_compat_result(status,errnop);
h_errno = h_errnop;
return (status);
}