source/utils/nsstest.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 3.0
   4    nss tester for winbindd
   5    Copyright (C) Andrew Tridgell 2001
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20 */
  21
  22 #include "includes.h"
  23
  24 static char *so_path = "/lib/libnss_winbind.so";
  25 static int nss_errno;
  26
  27 static void *find_fn(const char *name)
  28 {
  29         static void *h;
  30         void *res;
  31         if (!h) {
  32                 h = dlopen(so_path, RTLD_LAZY);
  33         }
  34         if (!h) {
  35                 printf("Can't open shared library %s\n", so_path);
  36                 exit(1);
  37         }
  38         res = dlsym(h, name);
  39         if (!res) {
  40                 printf("Can't find function %s\n", name);
  41                 exit(1);
  42         }
  43         return res;
  44 }
  45
  46 static void report_nss_error(NSS_STATUS status)
  47 {
  48         if (status >= NSS_STATUS_SUCCESS) return;
  49         printf("NSS_STATUS=%d  %d\n", status, NSS_STATUS_SUCCESS);
  50 }
  51
  52 static struct passwd *nss_getpwent(void)
  53 {
  54         NSS_STATUS (*_nss_getpwent_r)(struct passwd *, char *,
  55                                       size_t , int *) = find_fn("_nss_winbind_getpwent_r");
  56         static struct passwd pwd;
  57         static char buf[1000];
  58         NSS_STATUS status;
  59
  60         status = _nss_getpwent_r(&pwd, buf, sizeof(buf), &nss_errno);
  61         if (status == NSS_STATUS_NOTFOUND) {
  62                 return NULL;
  63         }
  64         if (status == NSS_STATUS_RETURN) {
  65                 report_nss_error(status);
  66                 return NULL;
  67         }
  68         return &pwd;
  69 }
  70
  71 static struct passwd *nss_getpwnam(const char *name)
  72 {
  73         NSS_STATUS (*_nss_getpwnam_r)(const char *, struct passwd *, char *,
  74                                       size_t , int *) = find_fn("_nss_winbind_getpwnam_r");
  75         static struct passwd pwd;
  76         static char buf[1000];
  77         NSS_STATUS status;
  78
  79         status = _nss_getpwnam_r(name, &pwd, buf, sizeof(buf), &nss_errno);
  80         if (status == NSS_STATUS_NOTFOUND) {
  81                 return NULL;
  82         }
  83         if (status == NSS_STATUS_RETURN) {
  84                 report_nss_error(status);
  85                 return NULL;
  86         }
  87         return &pwd;
  88 }
  89
  90 static struct passwd *nss_getpwuid(uid_t uid)
  91 {
  92         NSS_STATUS (*_nss_getpwuid_r)(uid_t , struct passwd *, char *,
  93                                       size_t , int *) = find_fn("_nss_winbind_getpwuid_r");
  94         static struct passwd pwd;
  95         static char buf[1000];
  96         NSS_STATUS status;
  97
  98         status = _nss_getpwuid_r(uid, &pwd, buf, sizeof(buf), &nss_errno);
  99         if (status == NSS_STATUS_NOTFOUND) {
 100                 return NULL;
 101         }
 102         if (status == NSS_STATUS_RETURN) {
 103                 report_nss_error(status);
 104                 return NULL;
 105         }
 106         return &pwd;
 107 }
 108
 109 static void nss_setpwent(void)
 110 {
 111         NSS_STATUS (*_nss_setpwent)(void) = find_fn("_nss_winbind_setpwent");
 112
 113         report_nss_error(_nss_setpwent());
 114 }
 115
 116 static void nss_endpwent(void)
 117 {
 118         NSS_STATUS (*_nss_endpwent)(void) = find_fn("_nss_winbind_endpwent");
 119
 120         report_nss_error(_nss_endpwent());
 121 }
 122
 123
 124 static struct group *nss_getgrent(void)
 125 {
 126         NSS_STATUS (*_nss_getgrent_r)(struct group *, char *,
 127                                       size_t , int *) = find_fn("_nss_winbind_getgrent_r");
 128         static struct group grp;
 129         static char buf[1000];
 130         NSS_STATUS status;
 131
 132         status = _nss_getgrent_r(&grp, buf, sizeof(buf), &nss_errno);
 133         if (status == NSS_STATUS_NOTFOUND) {
 134                 return NULL;
 135         }
 136         if (status == NSS_STATUS_RETURN) {
 137                 report_nss_error(status);
 138                 return NULL;
 139         }
 140         return &grp;
 141 }
 142
 143 static struct group *nss_getgrnam(const char *name)
 144 {
 145         NSS_STATUS (*_nss_getgrnam_r)(const char *, struct group *, char *,
 146                                       size_t , int *) = find_fn("_nss_winbind_getgrnam_r");
 147         static struct group grp;
 148         static char buf[1000];
 149         NSS_STATUS status;
 150
 151         status = _nss_getgrnam_r(name, &grp, buf, sizeof(buf), &nss_errno);
 152         if (status == NSS_STATUS_NOTFOUND) {
 153                 return NULL;
 154         }
 155         if (status == NSS_STATUS_RETURN) {
 156                 report_nss_error(status);
 157                 return NULL;
 158         }
 159         return &grp;
 160 }
 161
 162 static struct group *nss_getgrgid(gid_t gid)
 163 {
 164         NSS_STATUS (*_nss_getgrgid_r)(gid_t , struct group *, char *,
 165                                       size_t , int *) = find_fn("_nss_winbind_getgrgid_r");
 166         static struct group grp;
 167         static char buf[1000];
 168         NSS_STATUS status;
 169
 170         status = _nss_getgrgid_r(gid, &grp, buf, sizeof(buf), &nss_errno);
 171         if (status == NSS_STATUS_NOTFOUND) {
 172                 return NULL;
 173         }
 174         if (status == NSS_STATUS_RETURN) {
 175                 report_nss_error(status);
 176                 return NULL;
 177         }
 178         return &grp;
 179 }
 180
 181 static void nss_setgrent(void)
 182 {
 183         NSS_STATUS (*_nss_setgrent)(void) = find_fn("_nss_winbind_setgrent");
 184
 185         report_nss_error(_nss_setgrent());
 186 }
 187
 188 static void nss_endgrent(void)
 189 {
 190         NSS_STATUS (*_nss_endgrent)(void) = find_fn("_nss_winbind_endgrent");
 191
 192         report_nss_error(_nss_endgrent());
 193 }
 194
 195 static int nss_initgroups(char *user, gid_t group, gid_t **groups, long int *start, long int *size)
 196 {
 197         NSS_STATUS (*_nss_initgroups)(char *, gid_t , long int *,
 198                                       long int *, gid_t **, long int , int *) =
 199                 find_fn("_nss_winbind_initgroups_dyn");
 200         NSS_STATUS status;
 201
 202         status = _nss_initgroups(user, group, start, size, groups, 0, &nss_errno);
 203         report_nss_error(status);
 204         return status;
 205 }
 206
 207 static void print_passwd(struct passwd *pwd)
 208 {
 209         printf("%s:%s:%d:%d:%s:%s:%s\n",
 210                pwd->pw_name,
 211                pwd->pw_passwd,
 212                pwd->pw_uid,
 213                pwd->pw_gid,
 214                pwd->pw_gecos,
 215                pwd->pw_dir,
 216                pwd->pw_shell);
 217 }
 218
 219 static void print_group(struct group *grp)
 220 {
 221         int i;
 222         printf("%s:%s:%d: ",
 223                grp->gr_name,
 224                grp->gr_passwd,
 225                grp->gr_gid);
 226
 227         if (!grp->gr_mem[0]) {
 228                 printf("\n");
 229                 return;
 230         }
 231
 232         for (i=0; grp->gr_mem[i+1]; i++) {
 233                 printf("%s, ", grp->gr_mem[i]);
 234         }
 235         printf("%s\n", grp->gr_mem[i]);
 236 }
 237
 238 static void nss_test_initgroups(char *name, gid_t gid)
 239 {
 240         long int size = 16;
 241         long int start = 1;
 242         gid_t *groups = NULL;
 243         int i;
 244
 245         groups = (gid_t *)malloc(size * sizeof(gid_t));
 246         groups[0] = gid;
 247
 248         nss_initgroups(name, gid, &groups, &start, &size);
 249         for (i=0; i<start-1; i++) {
 250                 printf("%d, ", groups[i]);
 251         }
 252         printf("%d\n", groups[i]);
 253 }
 254
 255
 256 static void nss_test_users(void)
 257 {
 258         struct passwd *pwd;
 259
 260         nss_setpwent();
 261         /* loop over all users */
 262         while ((pwd = nss_getpwent())) {
 263                 printf("Testing user %s\n", pwd->pw_name);
 264                 printf("getpwent:   "); print_passwd(pwd);
 265                 pwd = nss_getpwnam(pwd->pw_name);
 266                 printf("getpwnam:   "); print_passwd(pwd);
 267                 pwd = nss_getpwuid(pwd->pw_uid);
 268                 printf("getpwuid:   "); print_passwd(pwd);
 269                 printf("initgroups: "); nss_test_initgroups(pwd->pw_name, pwd->pw_gid);
 270                 printf("\n");
 271         }
 272         nss_endpwent();
 273 }
 274
 275 static void nss_test_groups(void)
 276 {
 277         struct group *grp;
 278
 279         nss_setgrent();
 280         /* loop over all groups */
 281         while ((grp = nss_getgrent())) {
 282                 printf("Testing group %s\n", grp->gr_name);
 283                 printf("getgrent: "); print_group(grp);
 284                 grp = nss_getgrnam(grp->gr_name);
 285                 printf("getgrnam: "); print_group(grp);
 286                 grp = nss_getgrgid(grp->gr_gid);
 287                 printf("getgrgid: "); print_group(grp);
 288                 printf("\n");
 289         }
 290         nss_endgrent();
 291 }
 292
 293
 294  int main(int argc, char *argv[])
 295 {
 296         if (argc > 1) so_path = argv[1];
 297
 298         nss_test_users();
 299         nss_test_groups();
 300
 301         return 0;
 302 }