kadmin/get.c

   1 /*
   2  * Copyright (c) 1997-2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #include "kadmin_locl.h"
  35 #include "kadmin-commands.h"
  36 #include <parse_units.h>
  37 #include <rtbl.h>
  38
  39 static struct field_name {
  40     const char *fieldname;
  41     unsigned int fieldvalue;
  42     unsigned int subvalue;
  43     uint32_t extra_mask;
  44     const char *default_header;
  45     const char *def_longheader;
  46     unsigned int flags;
  47 } field_names[] = {
  48     { "principal", KADM5_PRINCIPAL, 0, 0, "Principal", "Principal", 0 },
  49     { "princ_expire_time", KADM5_PRINC_EXPIRE_TIME, 0, 0, "Expiration", "Principal expires", 0 },
  50     { "pw_expiration", KADM5_PW_EXPIRATION, 0, 0, "PW-exp", "Password expires", 0 },
  51     { "last_pwd_change", KADM5_LAST_PWD_CHANGE, 0, 0, "PW-change", "Last password change", 0 },
  52     { "max_life", KADM5_MAX_LIFE, 0, 0, "Max life", "Max ticket life", 0 },
  53     { "max_rlife", KADM5_MAX_RLIFE, 0, 0, "Max renew", "Max renewable life", 0 },
  54     { "mod_time", KADM5_MOD_TIME, 0, 0, "Mod time", "Last modified", 0 },
  55     { "mod_name", KADM5_MOD_NAME, 0, 0, "Modifier", "Modifier", 0 },
  56     { "attributes", KADM5_ATTRIBUTES, 0, 0, "Attributes", "Attributes", 0 },
  57     { "kvno", KADM5_KVNO, 0, 0, "Kvno", "Kvno", RTBL_ALIGN_RIGHT  },
  58     { "mkvno", KADM5_MKVNO, 0, 0, "Mkvno", "Mkvno", RTBL_ALIGN_RIGHT },
  59     { "last_success", KADM5_LAST_SUCCESS, 0, 0, "Last login", "Last successful login", 0 },
  60     { "last_failed", KADM5_LAST_FAILED, 0, 0, "Last fail", "Last failed login", 0 },
  61     { "fail_auth_count", KADM5_FAIL_AUTH_COUNT, 0, 0, "Fail count", "Failed login count", RTBL_ALIGN_RIGHT },
  62     { "policy", KADM5_POLICY, 0, 0, "Policy", "Policy", 0 },
  63     { "keytypes", KADM5_KEY_DATA, 0, KADM5_PRINCIPAL | KADM5_KVNO, "Keytypes", "Keytypes", 0 },
  64     { "server-keytypes", KADM5_TL_DATA, KRB5_TL_ETYPES, 0, "Server keytypes", "Supported keytypes (servers)", 0 },
  65     { "password", KADM5_TL_DATA, KRB5_TL_PASSWORD, KADM5_KEY_DATA, "Password", "Password", 0 },
  66     { "pkinit-acl", KADM5_TL_DATA, KRB5_TL_PKINIT_ACL, 0, "PK-INIT ACL", "PK-INIT ACL", 0 },
  67     { "aliases", KADM5_TL_DATA, KRB5_TL_ALIASES, 0, "Aliases", "Aliases", 0 },
  68     { "hist-kvno-diff-clnt", KADM5_TL_DATA, KRB5_TL_HIST_KVNO_DIFF_CLNT, 0, "Clnt hist keys", "Historic keys allowed for client", 0 },
  69     { "hist-kvno-diff-svc", KADM5_TL_DATA, KRB5_TL_HIST_KVNO_DIFF_SVC, 0, "Svc hist keys", "Historic keys allowed for service", 0 },
  70     { NULL, 0, 0, 0, NULL, NULL, 0 }
  71 };
  72
  73 struct field_info {
  74     struct field_name *ff;
  75     char *header;
  76     struct field_info *next;
  77 };
  78
  79 struct get_entry_data {
  80     void (*format)(struct get_entry_data*, kadm5_principal_ent_t);
  81     rtbl_t table;
  82     uint32_t mask;
  83     uint32_t extra_mask;
  84     struct field_info *chead, **ctail;
  85     const char *krb5_config_fname;
  86     uint32_t n;
  87 };
  88
  89 static int
  90 add_column(struct get_entry_data *data, struct field_name *ff, const char *header)
  91 {
  92     struct field_info *f = malloc(sizeof(*f));
  93     if (f == NULL)
  94         return ENOMEM;
  95     f->ff = ff;
  96     if(header)
  97         f->header = strdup(header);
  98     else
  99         f->header = NULL;
 100     f->next = NULL;
 101     *data->ctail = f;
 102     data->ctail = &f->next;
 103     data->mask |= ff->fieldvalue;
 104     data->extra_mask |= ff->extra_mask;
 105     if(data->table != NULL)
 106         rtbl_add_column_by_id(data->table, ff->fieldvalue,
 107                               header ? header : ff->default_header, ff->flags);
 108     return 0;
 109 }
 110
 111 /*
 112  * return 0 iff `salt' actually is the same as the current salt in `k'
 113  */
 114
 115 static int
 116 cmp_salt (const krb5_salt *salt, const krb5_key_data *k)
 117 {
 118     if (salt->salttype != (size_t)k->key_data_type[1])
 119         return 1;
 120     if (salt->saltvalue.length != (size_t)k->key_data_length[1])
 121         return 1;
 122     return memcmp (salt->saltvalue.data, k->key_data_contents[1],
 123                    salt->saltvalue.length);
 124 }
 125
 126 static void
 127 format_keytype(krb5_key_data *k, krb5_salt *def_salt, char *buf, size_t buf_len)
 128 {
 129     krb5_error_code ret;
 130     char *s;
 131     int aret;
 132
 133     buf[0] = '\0';
 134     ret = krb5_enctype_to_string (context,
 135                                   k->key_data_type[0],
 136                                   &s);
 137     if (ret) {
 138         aret = asprintf (&s, "unknown(%d)", k->key_data_type[0]);
 139         if (aret == -1)
 140             return;     /* Nothing to do here, we have no way to pass the err */
 141     }
 142     strlcpy(buf, s, buf_len);
 143     free(s);
 144
 145     strlcat(buf, "(", buf_len);
 146
 147     ret = krb5_salttype_to_string (context,
 148                                    k->key_data_type[0],
 149                                    k->key_data_type[1],
 150                                    &s);
 151     if (ret) {
 152         aret = asprintf (&s, "unknown(%d)", k->key_data_type[1]);
 153         if (aret == -1)
 154             return;     /* Again, nothing else to do... */
 155     }
 156     strlcat(buf, s, buf_len);
 157     free(s);
 158
 159     aret = 0;
 160     if (cmp_salt(def_salt, k) == 0)
 161         s = strdup("");
 162     else if(k->key_data_length[1] == 0)
 163         s = strdup("()");
 164     else
 165         aret = asprintf (&s, "(%.*s)", k->key_data_length[1],
 166                          (char *)k->key_data_contents[1]);
 167     if (aret == -1 || s == NULL)
 168         return;         /* Again, nothing else we can do... */
 169     strlcat(buf, s, buf_len);
 170     free(s);
 171     aret = asprintf (&s, "[%d]", k->key_data_kvno);
 172     if (aret == -1)
 173         return;
 174     strlcat(buf, ")", buf_len);
 175
 176     strlcat(buf, s, buf_len);
 177     free(s);
 178 }
 179
 180 static int
 181 is_special_file(const char *fname)
 182 {
 183 #ifdef WIN32
 184     if (strcasecmp(fname, "con") == 0 || strcasecmp(fname, "nul") == 0 ||
 185         strcasecmp(fname, "aux") == 0 || strcasecmp(fname, "prn") == 0)
 186         return 1;
 187     if ((strncasecmp(fname, "com", sizeof("com") - 1) == 0  ||
 188          strncasecmp(fname, "lpt", sizeof("lpt") - 1) == 0) &&
 189         fname[sizeof("lpt")] >= '0' && fname[sizeof("lpt")] <= '9' &&
 190         fname[sizeof("lpt") + 1] == '\0')
 191         return 1;
 192 #else
 193     if (strncmp(fname, "/dev/", sizeof("/dev/") - 1) == 0)
 194         return 1;
 195 #endif
 196     return 0;
 197 }
 198
 199 static char *
 200 write_krb5_config(krb5_tl_data *tl,
 201                   const char *fn,
 202                   uint32_t i)
 203 {
 204     char *s = NULL;
 205     FILE *f = NULL;
 206
 207     if (fn == NULL)
 208         return NULL;
 209     if (i == 0 || is_special_file(fn))
 210         s = strdup(fn);
 211     else if (asprintf(&s, "%s-%u", fn, i) == -1)
 212         s = NULL;
 213     if (s == NULL)
 214         krb5_err(context, 1, errno, "Out of memory");
 215
 216     /* rk_dumpdata() doesn't allow error checking :( */
 217     if ((f = fopen(s, "w")) &&
 218         fwrite(tl->tl_data_contents, tl->tl_data_length, 1, f) != 1)
 219         krb5_warn(context, errno, "Could not write to %s", fn);
 220     if (f && fclose(f))
 221         krb5_warn(context, errno, "Could not write to %s", fn);
 222     return s;
 223 }
 224
 225 static void
 226 format_field(struct get_entry_data *data,
 227              kadm5_principal_ent_t princ,
 228              unsigned int field,
 229              unsigned int subfield,
 230              char *buf,
 231              size_t buf_len,
 232              int condensed)
 233 {
 234     switch(field) {
 235     case KADM5_PRINCIPAL:
 236         if(condensed)
 237             krb5_unparse_name_fixed_short(context, princ->principal, buf, buf_len);
 238         else
 239             krb5_unparse_name_fixed(context, princ->principal, buf, buf_len);
 240         break;
 241
 242     case KADM5_PRINC_EXPIRE_TIME:
 243         time_t2str(princ->princ_expire_time, buf, buf_len, !condensed);
 244         break;
 245
 246     case KADM5_PW_EXPIRATION:
 247         time_t2str(princ->pw_expiration, buf, buf_len, !condensed);
 248         break;
 249
 250     case KADM5_LAST_PWD_CHANGE:
 251         time_t2str(princ->last_pwd_change, buf, buf_len, !condensed);
 252         break;
 253
 254     case KADM5_MAX_LIFE:
 255         deltat2str(princ->max_life, buf, buf_len);
 256         break;
 257
 258     case KADM5_MAX_RLIFE:
 259         deltat2str(princ->max_renewable_life, buf, buf_len);
 260         break;
 261
 262     case KADM5_MOD_TIME:
 263         time_t2str(princ->mod_date, buf, buf_len, !condensed);
 264         break;
 265
 266     case KADM5_MOD_NAME:
 267         if (princ->mod_name == NULL)
 268             strlcpy(buf, "unknown", buf_len);
 269         else if(condensed)
 270             krb5_unparse_name_fixed_short(context, princ->mod_name, buf, buf_len);
 271         else
 272             krb5_unparse_name_fixed(context, princ->mod_name, buf, buf_len);
 273         break;
 274     case KADM5_ATTRIBUTES:
 275         attributes2str (princ->attributes, buf, buf_len);
 276         break;
 277     case KADM5_KVNO:
 278         snprintf(buf, buf_len, "%d", princ->kvno);
 279         break;
 280     case KADM5_MKVNO:
 281         /* XXX libkadm5srv decrypts the keys, so mkvno is always 0. */
 282         strlcpy(buf, "unknown", buf_len);
 283         break;
 284     case KADM5_LAST_SUCCESS:
 285         time_t2str(princ->last_success, buf, buf_len, !condensed);
 286         break;
 287     case KADM5_LAST_FAILED:
 288         time_t2str(princ->last_failed, buf, buf_len, !condensed);
 289         break;
 290     case KADM5_FAIL_AUTH_COUNT:
 291         snprintf(buf, buf_len, "%d", princ->fail_auth_count);
 292         break;
 293     case KADM5_POLICY:
 294         if(princ->policy != NULL)
 295             strlcpy(buf, princ->policy, buf_len);
 296         else
 297             strlcpy(buf, "none", buf_len);
 298         break;
 299     case KADM5_KEY_DATA:{
 300         krb5_salt def_salt;
 301         int i;
 302         char buf2[1024];
 303         krb5_get_pw_salt (context, princ->principal, &def_salt);
 304
 305         *buf = '\0';
 306         for (i = 0; i < princ->n_key_data; ++i) {
 307             format_keytype(&princ->key_data[i], &def_salt, buf2, sizeof(buf2));
 308             if(i > 0)
 309                 strlcat(buf, ", ", buf_len);
 310             strlcat(buf, buf2, buf_len);
 311         }
 312         krb5_free_salt (context, def_salt);
 313         break;
 314     }
 315     case KADM5_TL_DATA: {
 316         krb5_tl_data *tl;
 317
 318         for (tl = princ->tl_data; tl != NULL; tl = tl->tl_data_next)
 319             if ((unsigned)tl->tl_data_type == subfield)
 320                 break;
 321         if (tl == NULL) {
 322             strlcpy(buf, "", buf_len);
 323             break;
 324         }
 325
 326         switch (subfield) {
 327         case KRB5_TL_PASSWORD:
 328             snprintf(buf, buf_len, "\"%.*s\"",
 329                      (int)tl->tl_data_length,
 330                      (const char *)tl->tl_data_contents);
 331             break;
 332         case KRB5_TL_ETYPES: {
 333             HDB_EncTypeList etypes;
 334             size_t i, size;
 335             char *str;
 336             int ret;
 337
 338             ret = decode_HDB_EncTypeList(tl->tl_data_contents,
 339                                          tl->tl_data_length,
 340                                          &etypes, &size);
 341             if (ret) {
 342                 snprintf(buf, buf_len, "failed to decode server etypes");
 343                 break;
 344             }
 345             buf[0] = '\0';
 346             for (i = 0; i < etypes.len; i++) {
 347                 ret = krb5_enctype_to_string(context, etypes.val[i], &str);
 348                 if (ret == 0) {
 349                     if (i)
 350                         strlcat(buf, ",", buf_len);
 351                     strlcat(buf, str, buf_len);
 352                     krb5_xfree(str);
 353                 }
 354             }
 355             free_HDB_EncTypeList(&etypes);
 356             break;
 357         }
 358         case KRB5_TL_PKINIT_ACL: {
 359             HDB_Ext_PKINIT_acl acl;
 360             size_t size;
 361             int ret;
 362             size_t i;
 363
 364             ret = decode_HDB_Ext_PKINIT_acl(tl->tl_data_contents,
 365                                             tl->tl_data_length,
 366                                             &acl,
 367                                             &size);
 368             if (ret) {
 369                 snprintf(buf, buf_len, "failed to decode ACL");
 370                 break;
 371             }
 372
 373             buf[0] = '\0';
 374             for (i = 0; i < acl.len; i++) {
 375                 strlcat(buf, "subject: ", buf_len);
 376                 strlcat(buf, acl.val[i].subject, buf_len);
 377                 if (acl.val[i].issuer) {
 378                     strlcat(buf, " issuer:", buf_len);
 379                     strlcat(buf, *acl.val[i].issuer, buf_len);
 380                 }
 381                 if (acl.val[i].anchor) {
 382                     strlcat(buf, " anchor:", buf_len);
 383                     strlcat(buf, *acl.val[i].anchor, buf_len);
 384                 }
 385                 if (i + 1 < acl.len)
 386                     strlcat(buf, ", ", buf_len);
 387             }
 388             free_HDB_Ext_PKINIT_acl(&acl);
 389             break;
 390         }
 391         case KRB5_TL_KRB5_CONFIG: {
 392             char *fname;
 393
 394             fname = write_krb5_config(tl, data->krb5_config_fname, data->n);
 395             if (fname) {
 396                 strlcat(buf, fname, buf_len);
 397                 free(fname);
 398             }
 399             break;
 400         }
 401         case KRB5_TL_ALIASES: {
 402             HDB_Ext_Aliases alias;
 403             size_t size;
 404             int ret;
 405             size_t i;
 406
 407             ret = decode_HDB_Ext_Aliases(tl->tl_data_contents,
 408                                          tl->tl_data_length,
 409                                          &alias,
 410                                          &size);
 411             if (ret) {
 412                 snprintf(buf, buf_len, "failed to decode alias");
 413                 break;
 414             }
 415             buf[0] = '\0';
 416             for (i = 0; i < alias.aliases.len; i++) {
 417                 char *p;
 418                 ret = krb5_unparse_name(context, &alias.aliases.val[i], &p);
 419                 if (ret)
 420                     break;
 421                 if (i > 0)
 422                     strlcat(buf, " ", buf_len);
 423                 strlcat(buf, p, buf_len);
 424                 free(p);
 425             }
 426             free_HDB_Ext_Aliases(&alias);
 427             break;
 428         }
 429         default:
 430             snprintf(buf, buf_len, "unknown type %d", subfield);
 431             break;
 432         }
 433         break;
 434     }
 435     default:
 436         strlcpy(buf, "<unknown>", buf_len);
 437         break;
 438     }
 439 }
 440
 441 static void
 442 print_entry_short(struct get_entry_data *data, kadm5_principal_ent_t princ)
 443 {
 444     char buf[1024];
 445     struct field_info *f;
 446
 447     for(f = data->chead; f != NULL; f = f->next) {
 448         format_field(data, princ, f->ff->fieldvalue, f->ff->subvalue, buf,
 449                      sizeof(buf), 1);
 450         rtbl_add_column_entry_by_id(data->table, f->ff->fieldvalue, buf);
 451     }
 452 }
 453
 454 static void
 455 print_entry_long(struct get_entry_data *data, kadm5_principal_ent_t princ)
 456 {
 457     char buf[1024];
 458     struct field_info *f;
 459     int width = 0;
 460
 461     for(f = data->chead; f != NULL; f = f->next) {
 462         int w = strlen(f->header ? f->header : f->ff->def_longheader);
 463         if(w > width)
 464             width = w;
 465     }
 466     for(f = data->chead; f != NULL; f = f->next) {
 467         format_field(data, princ, f->ff->fieldvalue, f->ff->subvalue, buf,
 468                      sizeof(buf), 0);
 469         printf("%*s: %s\n", width, f->header ? f->header : f->ff->def_longheader, buf);
 470     }
 471     printf("\n");
 472 }
 473
 474 static int
 475 do_get_entry(krb5_principal principal, void *data)
 476 {
 477     kadm5_principal_ent_rec princ;
 478     krb5_error_code ret;
 479     struct get_entry_data *e = data;
 480
 481     memset(&princ, 0, sizeof(princ));
 482     ret = kadm5_get_principal(kadm_handle, principal,
 483                               &princ,
 484                               e->mask | e->extra_mask);
 485     if (ret == 0) {
 486         (e->format)(e, &princ);
 487         kadm5_free_principal_ent(kadm_handle, &princ);
 488     }
 489
 490     e->n++;
 491     return ret;
 492 }
 493
 494 static void
 495 free_columns(struct get_entry_data *data)
 496 {
 497     struct field_info *f, *next;
 498     for(f = data->chead; f != NULL; f = next) {
 499         free(f->header);
 500         next = f->next;
 501         free(f);
 502     }
 503     data->chead = NULL;
 504     data->ctail = &data->chead;
 505 }
 506
 507 static int
 508 setup_columns(struct get_entry_data *data, const char *column_info)
 509 {
 510     char buf[1024], *q;
 511     char *field, *header;
 512     struct field_name *f;
 513
 514     while(strsep_copy(&column_info, ",", buf, sizeof(buf)) != -1) {
 515         q = buf;
 516         field = strsep(&q, "=");
 517         header = strsep(&q, "=");
 518         for(f = field_names; f->fieldname != NULL; f++) {
 519             if(strcasecmp(field, f->fieldname) == 0) {
 520                 add_column(data, f, header);
 521                 break;
 522             }
 523         }
 524         if(f->fieldname == NULL) {
 525             krb5_warnx(context, "unknown field name \"%s\"", field);
 526             free_columns(data);
 527             return -1;
 528         }
 529     }
 530     return 0;
 531 }
 532
 533 static int
 534 do_list_entry(krb5_principal principal, void *data)
 535 {
 536     char buf[1024];
 537     krb5_error_code ret;
 538
 539     ret = krb5_unparse_name_fixed_short(context, principal, buf, sizeof(buf));
 540     if (ret != 0)
 541         return ret;
 542     printf("%s\n", buf);
 543     return 0;
 544 }
 545
 546 static int
 547 listit(const char *funcname, int argc, char **argv)
 548 {
 549     int i;
 550     krb5_error_code ret, saved_ret = 0;
 551
 552     for (i = 0; i < argc; i++) {
 553         ret = foreach_principal(argv[i], do_list_entry, funcname, NULL);
 554         if (saved_ret == 0 && ret != 0)
 555             saved_ret = ret;
 556     }
 557     return saved_ret != 0;
 558 }
 559
 560 #define DEFAULT_COLUMNS_SHORT "principal,princ_expire_time,pw_expiration,last_pwd_change,max_life,max_rlife"
 561 #define DEFAULT_COLUMNS_LONG "principal,princ_expire_time,pw_expiration,last_pwd_change,max_life,max_rlife,kvno,mkvno,last_success,last_failed,fail_auth_count,mod_time,mod_name,attributes,server-keytypes,keytypes,pkinit-acl,aliases"
 562
 563 static int
 564 getit(struct get_options *opt, const char *name, int argc, char **argv)
 565 {
 566     int i;
 567     krb5_error_code ret;
 568     struct get_entry_data data;
 569
 570     if(opt->long_flag == -1 && (opt->short_flag == 1 || opt->terse_flag == 1))
 571         opt->long_flag = 0;
 572     if(opt->short_flag == -1 && (opt->long_flag == 1 || opt->terse_flag == 1))
 573         opt->short_flag = 0;
 574     if(opt->terse_flag == -1 && (opt->long_flag == 1 || opt->short_flag == 1))
 575         opt->terse_flag = 0;
 576     if(opt->long_flag == 0 && opt->short_flag == 0 && opt->terse_flag == 0)
 577         opt->short_flag = 1;
 578
 579     if (opt->terse_flag)
 580         return listit(name, argc, argv);
 581
 582     data.table = NULL;
 583     data.chead = NULL;
 584     data.ctail = &data.chead;
 585     data.mask = 0;
 586     data.extra_mask = 0;
 587     data.krb5_config_fname = opt->krb5_config_file_string;
 588     data.n = 0;
 589
 590     if(opt->short_flag) {
 591         data.table = rtbl_create();
 592         rtbl_set_separator(data.table, "  ");
 593         data.format = print_entry_short;
 594     } else
 595         data.format = print_entry_long;
 596     if(opt->column_info_string == NULL) {
 597         if(opt->long_flag)
 598             ret = setup_columns(&data, DEFAULT_COLUMNS_LONG);
 599         else
 600             ret = setup_columns(&data, DEFAULT_COLUMNS_SHORT);
 601     } else
 602         ret = setup_columns(&data, opt->column_info_string);
 603
 604     if(ret != 0) {
 605         if(data.table != NULL)
 606             rtbl_destroy(data.table);
 607         return 0;
 608     }
 609
 610     for(i = 0; i < argc; i++)
 611         ret = foreach_principal(argv[i], do_get_entry, name, &data);
 612
 613     if(data.table != NULL) {
 614         rtbl_format(data.table, stdout);
 615         rtbl_destroy(data.table);
 616     }
 617     free_columns(&data);
 618     return ret != 0;
 619 }
 620
 621 int
 622 get_entry(struct get_options *opt, int argc, char **argv)
 623 {
 624     return getit(opt, "get", argc, argv);
 625 }
 626
 627 int
 628 list_princs(struct list_options *opt, int argc, char **argv)
 629 {
 630     struct get_options get_opt;
 631
 632     if(sizeof(struct get_options) != sizeof(struct list_options)) {
 633         krb5_warnx(context, "programmer error: sizeof(struct get_options) != sizeof(struct list_options)");
 634         return 0;
 635     }
 636     memset(&get_opt, 0, sizeof(get_opt));
 637     get_opt.long_flag = opt->long_flag;
 638     get_opt.short_flag = opt->short_flag;
 639     get_opt.terse_flag = opt->terse_flag;
 640     get_opt.column_info_string = opt->column_info_string;
 641     return getit(&get_opt, "list", argc, argv);
 642 }