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     void *kadm_handle;
  87     uint32_t n;
  88     int upto;
  89 };
  90
  91 static int
  92 add_column(struct get_entry_data *data, struct field_name *ff, const char *header)
  93 {
  94     struct field_info *f = malloc(sizeof(*f));
  95     if (f == NULL)
  96         return ENOMEM;
  97     f->ff = ff;
  98     if(header)
  99         f->header = strdup(header);
 100     else
 101         f->header = NULL;
 102     f->next = NULL;
 103     *data->ctail = f;
 104     data->ctail = &f->next;
 105     data->mask |= ff->fieldvalue;
 106     data->extra_mask |= ff->extra_mask;
 107     if(data->table != NULL)
 108         rtbl_add_column_by_id(data->table, ff->fieldvalue,
 109                               header ? header : ff->default_header, ff->flags);
 110     return 0;
 111 }
 112
 113 /*
 114  * return 0 iff `salt' actually is the same as the current salt in `k'
 115  */
 116
 117 static int
 118 cmp_salt (const krb5_salt *salt, const krb5_key_data *k)
 119 {
 120     if (salt->salttype != (size_t)k->key_data_type[1])
 121         return 1;
 122     if (salt->saltvalue.length != (size_t)k->key_data_length[1])
 123         return 1;
 124     return memcmp (salt->saltvalue.data, k->key_data_contents[1],
 125                    salt->saltvalue.length);
 126 }
 127
 128 static void
 129 format_keytype(krb5_key_data *k, krb5_salt *def_salt, char *buf, size_t buf_len)
 130 {
 131     krb5_error_code ret;
 132     char *s;
 133     int aret;
 134
 135     buf[0] = '\0';
 136     ret = krb5_enctype_to_string (context,
 137                                   k->key_data_type[0],
 138                                   &s);
 139     if (ret) {
 140         aret = asprintf (&s, "unknown(%d)", k->key_data_type[0]);
 141         if (aret == -1)
 142             return;     /* Nothing to do here, we have no way to pass the err */
 143     }
 144     strlcpy(buf, s, buf_len);
 145     free(s);
 146
 147     strlcat(buf, "(", buf_len);
 148
 149     ret = krb5_salttype_to_string (context,
 150                                    k->key_data_type[0],
 151                                    k->key_data_type[1],
 152                                    &s);
 153     if (ret) {
 154         aret = asprintf (&s, "unknown(%d)", k->key_data_type[1]);
 155         if (aret == -1)
 156             return;     /* Again, nothing else to do... */
 157     }
 158     strlcat(buf, s, buf_len);
 159     free(s);
 160
 161     aret = 0;
 162     if (cmp_salt(def_salt, k) == 0)
 163         s = strdup("");
 164     else if(k->key_data_length[1] == 0)
 165         s = strdup("()");
 166     else
 167         aret = asprintf (&s, "(%.*s)", k->key_data_length[1],
 168                          (char *)k->key_data_contents[1]);
 169     if (aret == -1 || s == NULL)
 170         return;         /* Again, nothing else we can do... */
 171     strlcat(buf, s, buf_len);
 172     free(s);
 173     aret = asprintf (&s, "[%d]", k->key_data_kvno);
 174     if (aret == -1)
 175         return;
 176     strlcat(buf, ")", buf_len);
 177
 178     strlcat(buf, s, buf_len);
 179     free(s);
 180 }
 181
 182 static int
 183 is_special_file(const char *fname)
 184 {
 185 #ifdef WIN32
 186     if (strcasecmp(fname, "con") == 0 || strcasecmp(fname, "nul") == 0 ||
 187         strcasecmp(fname, "aux") == 0 || strcasecmp(fname, "prn") == 0)
 188         return 1;
 189     if ((strncasecmp(fname, "com", sizeof("com") - 1) == 0  ||
 190          strncasecmp(fname, "lpt", sizeof("lpt") - 1) == 0) &&
 191         fname[sizeof("lpt")] >= '0' && fname[sizeof("lpt")] <= '9' &&
 192         fname[sizeof("lpt") + 1] == '\0')
 193         return 1;
 194 #else
 195     if (strncmp(fname, "/dev/", sizeof("/dev/") - 1) == 0)
 196         return 1;
 197 #endif
 198     return 0;
 199 }
 200
 201 static char *
 202 write_krb5_config(krb5_tl_data *tl,
 203                   const char *fn,
 204                   uint32_t i)
 205 {
 206     char *s = NULL;
 207     FILE *f = NULL;
 208
 209     if (fn == NULL)
 210         return NULL;
 211     if (i == 0 || is_special_file(fn))
 212         s = strdup(fn);
 213     else if (asprintf(&s, "%s-%u", fn, i) == -1)
 214         s = NULL;
 215     if (s == NULL)
 216         krb5_err(context, 1, errno, "Out of memory");
 217
 218     /* rk_dumpdata() doesn't allow error checking :( */
 219     if ((f = fopen(s, "w")) &&
 220         fwrite(tl->tl_data_contents, tl->tl_data_length, 1, f) != 1)
 221         krb5_warn(context, errno, "Could not write to %s", fn);
 222     if (f && fclose(f))
 223         krb5_warn(context, errno, "Could not write to %s", fn);
 224     return s;
 225 }
 226
 227 static void
 228 format_field(struct get_entry_data *data,
 229              kadm5_principal_ent_t princ,
 230              unsigned int field,
 231              unsigned int subfield,
 232              char *buf,
 233              size_t buf_len,
 234              int condensed)
 235 {
 236     switch(field) {
 237     case KADM5_PRINCIPAL:
 238         if(condensed)
 239             krb5_unparse_name_fixed_short(context, princ->principal, buf, buf_len);
 240         else
 241             krb5_unparse_name_fixed(context, princ->principal, buf, buf_len);
 242         break;
 243
 244     case KADM5_PRINC_EXPIRE_TIME:
 245         time_t2str(princ->princ_expire_time, buf, buf_len, !condensed);
 246         break;
 247
 248     case KADM5_PW_EXPIRATION:
 249         time_t2str(princ->pw_expiration, buf, buf_len, !condensed);
 250         break;
 251
 252     case KADM5_LAST_PWD_CHANGE:
 253         time_t2str(princ->last_pwd_change, buf, buf_len, !condensed);
 254         break;
 255
 256     case KADM5_MAX_LIFE:
 257         deltat2str(princ->max_life, buf, buf_len);
 258         break;
 259
 260     case KADM5_MAX_RLIFE:
 261         deltat2str(princ->max_renewable_life, buf, buf_len);
 262         break;
 263
 264     case KADM5_MOD_TIME:
 265         time_t2str(princ->mod_date, buf, buf_len, !condensed);
 266         break;
 267
 268     case KADM5_MOD_NAME:
 269         if (princ->mod_name == NULL)
 270             strlcpy(buf, "unknown", buf_len);
 271         else if(condensed)
 272             krb5_unparse_name_fixed_short(context, princ->mod_name, buf, buf_len);
 273         else
 274             krb5_unparse_name_fixed(context, princ->mod_name, buf, buf_len);
 275         break;
 276     case KADM5_ATTRIBUTES:
 277         attributes2str (princ->attributes, buf, buf_len);
 278         break;
 279     case KADM5_KVNO:
 280         snprintf(buf, buf_len, "%d", princ->kvno);
 281         break;
 282     case KADM5_MKVNO:
 283         /* XXX libkadm5srv decrypts the keys, so mkvno is always 0. */
 284         strlcpy(buf, "unknown", buf_len);
 285         break;
 286     case KADM5_LAST_SUCCESS:
 287         time_t2str(princ->last_success, buf, buf_len, !condensed);
 288         break;
 289     case KADM5_LAST_FAILED:
 290         time_t2str(princ->last_failed, buf, buf_len, !condensed);
 291         break;
 292     case KADM5_FAIL_AUTH_COUNT:
 293         snprintf(buf, buf_len, "%d", princ->fail_auth_count);
 294         break;
 295     case KADM5_POLICY:
 296         if(princ->policy != NULL)
 297             strlcpy(buf, princ->policy, buf_len);
 298         else
 299             strlcpy(buf, "none", buf_len);
 300         break;
 301     case KADM5_KEY_DATA:{
 302         krb5_salt def_salt;
 303         int i;
 304         char buf2[1024];
 305         krb5_get_pw_salt (context, princ->principal, &def_salt);
 306
 307         *buf = '\0';
 308         for (i = 0; i < princ->n_key_data; ++i) {
 309             format_keytype(&princ->key_data[i], &def_salt, buf2, sizeof(buf2));
 310             if(i > 0)
 311                 strlcat(buf, ", ", buf_len);
 312             strlcat(buf, buf2, buf_len);
 313         }
 314         krb5_free_salt (context, def_salt);
 315         break;
 316     }
 317     case KADM5_TL_DATA: {
 318         krb5_tl_data *tl;
 319
 320         for (tl = princ->tl_data; tl != NULL; tl = tl->tl_data_next)
 321             if ((unsigned)tl->tl_data_type == subfield)
 322                 break;
 323         if (tl == NULL) {
 324             strlcpy(buf, "", buf_len);
 325             break;
 326         }
 327
 328         switch (subfield) {
 329         case KRB5_TL_PASSWORD:
 330             snprintf(buf, buf_len, "\"%.*s\"",
 331                      (int)tl->tl_data_length,
 332                      (const char *)tl->tl_data_contents);
 333             break;
 334         case KRB5_TL_ETYPES: {
 335             HDB_EncTypeList etypes;
 336             size_t i, size;
 337             char *str;
 338             int ret;
 339
 340             ret = decode_HDB_EncTypeList(tl->tl_data_contents,
 341                                          tl->tl_data_length,
 342                                          &etypes, &size);
 343             if (ret) {
 344                 snprintf(buf, buf_len, "failed to decode server etypes");
 345                 break;
 346             }
 347             buf[0] = '\0';
 348             for (i = 0; i < etypes.len; i++) {
 349                 ret = krb5_enctype_to_string(context, etypes.val[i], &str);
 350                 if (ret == 0) {
 351                     if (i)
 352                         strlcat(buf, ",", buf_len);
 353                     strlcat(buf, str, buf_len);
 354                     krb5_xfree(str);
 355                 }
 356             }
 357             free_HDB_EncTypeList(&etypes);
 358             break;
 359         }
 360         case KRB5_TL_PKINIT_ACL: {
 361             HDB_Ext_PKINIT_acl acl;
 362             size_t size;
 363             int ret;
 364             size_t i;
 365
 366             ret = decode_HDB_Ext_PKINIT_acl(tl->tl_data_contents,
 367                                             tl->tl_data_length,
 368                                             &acl,
 369                                             &size);
 370             if (ret) {
 371                 snprintf(buf, buf_len, "failed to decode ACL");
 372                 break;
 373             }
 374
 375             buf[0] = '\0';
 376             for (i = 0; i < acl.len; i++) {
 377                 strlcat(buf, "subject: ", buf_len);
 378                 strlcat(buf, acl.val[i].subject, buf_len);
 379                 if (acl.val[i].issuer) {
 380                     strlcat(buf, " issuer:", buf_len);
 381                     strlcat(buf, *acl.val[i].issuer, buf_len);
 382                 }
 383                 if (acl.val[i].anchor) {
 384                     strlcat(buf, " anchor:", buf_len);
 385                     strlcat(buf, *acl.val[i].anchor, buf_len);
 386                 }
 387                 if (i + 1 < acl.len)
 388                     strlcat(buf, ", ", buf_len);
 389             }
 390             free_HDB_Ext_PKINIT_acl(&acl);
 391             break;
 392         }
 393         case KRB5_TL_KRB5_CONFIG: {
 394             char *fname;
 395
 396             fname = write_krb5_config(tl, data->krb5_config_fname, data->n);
 397             if (fname) {
 398                 strlcat(buf, fname, buf_len);
 399                 free(fname);
 400             }
 401             break;
 402         }
 403         case KRB5_TL_ALIASES: {
 404             HDB_Ext_Aliases alias;
 405             size_t size;
 406             int ret;
 407             size_t i;
 408
 409             ret = decode_HDB_Ext_Aliases(tl->tl_data_contents,
 410                                          tl->tl_data_length,
 411                                          &alias,
 412                                          &size);
 413             if (ret) {
 414                 snprintf(buf, buf_len, "failed to decode alias");
 415                 break;
 416             }
 417             buf[0] = '\0';
 418             for (i = 0; i < alias.aliases.len; i++) {
 419                 char *p;
 420                 ret = krb5_unparse_name(context, &alias.aliases.val[i], &p);
 421                 if (ret)
 422                     break;
 423                 if (i > 0)
 424                     strlcat(buf, " ", buf_len);
 425                 strlcat(buf, p, buf_len);
 426                 free(p);
 427             }
 428             free_HDB_Ext_Aliases(&alias);
 429             break;
 430         }
 431         default:
 432             snprintf(buf, buf_len, "unknown type %d", subfield);
 433             break;
 434         }
 435         break;
 436     }
 437     default:
 438         strlcpy(buf, "<unknown>", buf_len);
 439         break;
 440     }
 441 }
 442
 443 static void
 444 print_entry_short(struct get_entry_data *data, kadm5_principal_ent_t princ)
 445 {
 446     char buf[1024];
 447     struct field_info *f;
 448
 449     for(f = data->chead; f != NULL; f = f->next) {
 450         format_field(data, princ, f->ff->fieldvalue, f->ff->subvalue, buf,
 451                      sizeof(buf), 1);
 452         rtbl_add_column_entry_by_id(data->table, f->ff->fieldvalue, buf);
 453     }
 454 }
 455
 456 static void
 457 print_entry_long(struct get_entry_data *data, kadm5_principal_ent_t princ)
 458 {
 459     char buf[1024];
 460     struct field_info *f;
 461     int width = 0;
 462
 463     for(f = data->chead; f != NULL; f = f->next) {
 464         int w = strlen(f->header ? f->header : f->ff->def_longheader);
 465         if(w > width)
 466             width = w;
 467     }
 468     for(f = data->chead; f != NULL; f = f->next) {
 469         format_field(data, princ, f->ff->fieldvalue, f->ff->subvalue, buf,
 470                      sizeof(buf), 0);
 471         printf("%*s: %s\n", width, f->header ? f->header : f->ff->def_longheader, buf);
 472     }
 473     printf("\n");
 474 }
 475
 476 static int
 477 do_get_entry(krb5_principal principal, void *data)
 478 {
 479     kadm5_principal_ent_rec princ;
 480     krb5_error_code ret;
 481     struct get_entry_data *e = data;
 482
 483     if (e->upto == 0)
 484         return EINTR;
 485     if (e->upto > 0)
 486         e->upto--;
 487
 488     memset(&princ, 0, sizeof(princ));
 489     ret = kadm5_get_principal(e->kadm_handle, principal,
 490                               &princ,
 491                               e->mask | e->extra_mask);
 492     if (ret == 0) {
 493         (e->format)(e, &princ);
 494         kadm5_free_principal_ent(e->kadm_handle, &princ);
 495     }
 496
 497     e->n++;
 498     return ret;
 499 }
 500
 501 static void
 502 free_columns(struct get_entry_data *data)
 503 {
 504     struct field_info *f, *next;
 505     for(f = data->chead; f != NULL; f = next) {
 506         free(f->header);
 507         next = f->next;
 508         free(f);
 509     }
 510     data->chead = NULL;
 511     data->ctail = &data->chead;
 512 }
 513
 514 static int
 515 setup_columns(struct get_entry_data *data, const char *column_info)
 516 {
 517     char buf[1024], *q;
 518     char *field, *header;
 519     struct field_name *f;
 520
 521     while(strsep_copy(&column_info, ",", buf, sizeof(buf)) != -1) {
 522         q = buf;
 523         field = strsep(&q, "=");
 524         header = strsep(&q, "=");
 525         for(f = field_names; f->fieldname != NULL; f++) {
 526             if(strcasecmp(field, f->fieldname) == 0) {
 527                 add_column(data, f, header);
 528                 break;
 529             }
 530         }
 531         if(f->fieldname == NULL) {
 532             krb5_warnx(context, "unknown field name \"%s\"", field);
 533             free_columns(data);
 534             return -1;
 535         }
 536     }
 537     return 0;
 538 }
 539
 540 static int
 541 do_list_entry(krb5_principal principal, void *data)
 542 {
 543     char buf[1024];
 544     int *upto = data;
 545     krb5_error_code ret;
 546
 547     if (*upto == 0)
 548         return EINTR;
 549     if (*upto > 0)
 550         (*upto)--;
 551
 552     ret = krb5_unparse_name_fixed_short(context, principal, buf, sizeof(buf));
 553     if (ret != 0)
 554         return ret;
 555     printf("%s\n", buf);
 556     return 0;
 557 }
 558
 559 static int
 560 listit(const char *funcname, int upto, int argc, char **argv)
 561 {
 562     int i;
 563     krb5_error_code ret, saved_ret = 0;
 564
 565     for (i = 0; i < argc; i++) {
 566         ret = foreach_principal(argv[i], do_list_entry, funcname, &upto);
 567         if (saved_ret == 0 && ret != 0)
 568             saved_ret = ret;
 569     }
 570     return saved_ret != 0;
 571 }
 572
 573 #define DEFAULT_COLUMNS_SHORT "principal,princ_expire_time,pw_expiration,last_pwd_change,max_life,max_rlife"
 574 #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"
 575
 576 static int
 577 getit(struct get_options *opt, const char *name, int argc, char **argv)
 578 {
 579     int i;
 580     krb5_error_code ret;
 581     struct get_entry_data data;
 582
 583     if(opt->long_flag == -1 && (opt->short_flag == 1 || opt->terse_flag == 1))
 584         opt->long_flag = 0;
 585     if(opt->short_flag == -1 && (opt->long_flag == 1 || opt->terse_flag == 1))
 586         opt->short_flag = 0;
 587     if(opt->terse_flag == -1 && (opt->long_flag == 1 || opt->short_flag == 1))
 588         opt->terse_flag = 0;
 589     if(opt->long_flag == 0 && opt->short_flag == 0 && opt->terse_flag == 0)
 590         opt->short_flag = 1;
 591
 592     if (opt->terse_flag)
 593         return listit(name, opt->upto_integer, argc, argv);
 594
 595     data.kadm_handle = NULL;
 596     ret = kadm5_dup_context(kadm_handle, &data.kadm_handle);
 597     if (ret)
 598         krb5_err(context, 1, ret, "Could not duplicate kadmin connection");
 599     data.table = NULL;
 600     data.chead = NULL;
 601     data.ctail = &data.chead;
 602     data.mask = 0;
 603     data.extra_mask = 0;
 604     data.krb5_config_fname = opt->krb5_config_file_string;
 605     data.upto = opt->upto_integer;
 606     data.n = 0;
 607
 608     if(opt->short_flag) {
 609         data.table = rtbl_create();
 610         rtbl_set_separator(data.table, "  ");
 611         data.format = print_entry_short;
 612     } else
 613         data.format = print_entry_long;
 614     if(opt->column_info_string == NULL) {
 615         if(opt->long_flag)
 616             ret = setup_columns(&data, DEFAULT_COLUMNS_LONG);
 617         else
 618             ret = setup_columns(&data, DEFAULT_COLUMNS_SHORT);
 619     } else
 620         ret = setup_columns(&data, opt->column_info_string);
 621
 622     if(ret != 0) {
 623         if(data.table != NULL)
 624             rtbl_destroy(data.table);
 625         return 0;
 626     }
 627
 628     for(i = 0; i < argc; i++)
 629         ret = foreach_principal(argv[i], do_get_entry, name, &data);
 630
 631     kadm5_destroy(data.kadm_handle);
 632
 633     if(data.table != NULL) {
 634         rtbl_format(data.table, stdout);
 635         rtbl_destroy(data.table);
 636     }
 637     free_columns(&data);
 638     return ret != 0;
 639 }
 640
 641 int
 642 get_entry(struct get_options *opt, int argc, char **argv)
 643 {
 644     return getit(opt, "get", argc, argv);
 645 }
 646
 647 int
 648 list_princs(struct list_options *opt, int argc, char **argv)
 649 {
 650     struct get_options get_opt;
 651
 652     if(sizeof(struct get_options) != sizeof(struct list_options)) {
 653         krb5_warnx(context, "programmer error: sizeof(struct get_options) != sizeof(struct list_options)");
 654         return 0;
 655     }
 656     memset(&get_opt, 0, sizeof(get_opt));
 657     get_opt.long_flag = opt->long_flag;
 658     get_opt.short_flag = opt->short_flag;
 659     get_opt.terse_flag = opt->terse_flag;
 660     get_opt.column_info_string = opt->column_info_string;
 661     get_opt.upto_integer = opt->upto_integer;
 662     return getit(&get_opt, "list", argc, argv);
 663 }