glusterfs.git - GlusterFS is a distributed file-system capable of scaling to several petabytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system.

diff options

Diffstat (limited to 'xlators/features/locks')

0 files changed, 0 insertions, 0 deletions

'n37' href='#n37'>37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869

/*
   SSSD

   NSS Configuratoin DB

   Copyright (C) Simo Sorce <ssorce@redhat.com>	2008

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#define _GNU_SOURCE
#include "ldb.h"
#include "ldb_errors.h"
#include "util/util.h"
#include "confdb/confdb.h"
#include "util/btreemap.h"
#include "db/sysdb.h"
#define CONFDB_VERSION "0.1"
#define CONFDB_DOMAIN_BASEDN "cn=domains,cn=config"
#define CONFDB_DOMAIN_ATTR "cn"
#define CONFDB_MPG "magicPrivateGroups"

#define CONFDB_ZERO_CHECK_OR_JUMP(var, ret, err, label) do { \
    if (!var) { \
        ret = err; \
        goto label; \
    } \
} while(0)

struct confdb_ctx {
    struct tevent_context *pev;
    struct ldb_context *ldb;
};

static char *prepend_cn(char *str, int *slen, const char *comp, int clen)
{
    char *ret;

    ret = talloc_realloc(NULL, str, char, *slen + 4 + clen + 1);
    if (!ret)
        return NULL;

    /* move current string to the end */
    memmove(&ret[clen +4], ret, *slen+1); /* includes termination */
    memcpy(ret, "cn=", 3);
    memcpy(&ret[3], comp, clen);
    ret[clen+3] = ',';

    *slen = *slen + 4 + clen;

    return ret;
}

static int parse_section(TALLOC_CTX *mem_ctx, const char *section,
                         char **sec_dn, const char **rdn_name)
{
    TALLOC_CTX *tmp_ctx;
    char *dn;
    char *p;
    const char *s;
    int l, ret;

    /* section must be a non null string and must not start with '/' */
    if (!section || !*section || *section == '/') return EINVAL;

    tmp_ctx = talloc_new(mem_ctx);
    if (!tmp_ctx) return ENOMEM;

    s = section;
    l = 0;
    while ((p = strchrnul(s, '/'))) {
        if (l == 0) {
            dn = talloc_asprintf(tmp_ctx, "cn=%s", s);
            l = 3 + (p-s);
            dn[l] = '\0';
        } else {
            dn = prepend_cn(dn, &l, s, p-s);
        }
        if (!dn) {
            ret = ENOMEM;
            goto done;
        }
        if (*p == '\0') {
            if (rdn_name) *rdn_name = s;
            break; /* reached end */
        }
        s = p+1;
        if (*s == '\0') { /* a section cannot end in '.' */
            ret = EINVAL;
            goto done;
        }
    }

    *sec_dn = talloc_steal(mem_ctx, dn);
    ret = EOK;

done:
    talloc_free(tmp_ctx);
    return ret;
}

int confdb_add_param(struct confdb_ctx *cdb,
                     bool replace,
                     const char *section,
                     const char *attribute,
                     const char **values)
{
    TALLOC_CTX *tmp_ctx = NULL;
    struct ldb_message *msg;
    struct ldb_result *res;
    struct ldb_dn *dn;
    char *secdn;
    const char *rdn_name;
    int ret, i;

    tmp_ctx = talloc_new(NULL);
    if (!tmp_ctx) {
        ret = ENOMEM;
        goto done;
    }

    ret = parse_section(tmp_ctx, section, &secdn, &rdn_name);
    if (ret != EOK) {
        goto done;
    }

    dn = ldb_dn_new(tmp_ctx, cdb->ldb, secdn);
    CONFDB_ZERO_CHECK_OR_JUMP(dn, ret, EIO, done);

    ret = ldb_search(cdb->ldb, tmp_ctx, &res,
                     dn, LDB_SCOPE_BASE, NULL, NULL);
    if (ret != LDB_SUCCESS) {
        ret = EIO;
        goto done;
    }

    msg = ldb_msg_new(tmp_ctx);
    CONFDB_ZERO_CHECK_OR_JUMP(msg, ret, ENOMEM, done);

    msg->dn = talloc_steal(msg, dn);
    CONFDB_ZERO_CHECK_OR_JUMP(msg->dn, ret, ENOMEM, done);

    if (res->count == 0) { /* add a new message */
        errno = 0;

        /* cn first */
        ret = ldb_msg_add_string(msg, "cn", rdn_name);
        if (ret != LDB_SUCCESS) {
            if (errno) ret = errno;
            else ret = EIO;
            goto done;
        }

        /* now the requested attribute */
        for (i = 0; values[i]; i++) {
            ret = ldb_msg_add_string(msg, attribute, values[i]);
            if (ret != LDB_SUCCESS) {
                if (errno) ret = errno;
                else ret = EIO;
                goto done;
            }
        }

        ret = ldb_add(cdb->ldb, msg);
        if (ret != LDB_SUCCESS) {
            ret = EIO;
            goto done;
        }

    } else {
        int optype;
        errno = 0;

        /* mark this as a replacement */
        if (replace) optype = LDB_FLAG_MOD_REPLACE;
        else optype = LDB_FLAG_MOD_ADD;
        ret = ldb_msg_add_empty(msg, attribute, optype, NULL);
        if (ret != LDB_SUCCESS) {
            if (errno) ret = errno;
            else ret = EIO;
            goto done;
        }

        /* now the requested attribute */
        for (i = 0; values[i]; i++) {
            ret = ldb_msg_add_string(msg, attribute, values[i]);
            if (ret != LDB_SUCCESS) {
                if (errno) ret = errno;
                else ret = EIO;
                goto done;
            }
        }

        ret = ldb_modify(cdb->ldb, msg);
        if (ret != LDB_SUCCESS) {
            ret = EIO;
            goto done;
        }
    }

    ret = EOK;

done:
    talloc_free(tmp_ctx);
    if (ret != EOK) {
        DEBUG(1, ("Failed to add [%s] to [%s], error [%d] (%s)",
                  attribute, section, ret, strerror(ret)));
    }
    return ret;
}

int confdb_get_param(struct confdb_ctx *cdb,
                     TALLOC_CTX *mem_ctx,
                     const char *section,
                     const char *attribute,
                     char ***values)
{
    TALLOC_CTX *tmp_ctx;
    struct ldb_result *res;
    struct ldb_dn *dn;
    char *secdn;
    const char *attrs[] = { attribute, NULL };
    char **vals;
    struct ldb_message_element *el;
    int ret, i;

    tmp_ctx = talloc_new(mem_ctx);
    if (!tmp_ctx)
        return ENOMEM;

    ret = parse_section(tmp_ctx, section, &secdn, NULL);
    if (ret != EOK) {
        goto done;
    }

    dn = ldb_dn_new(tmp_ctx, cdb->ldb, secdn);
    if (!dn) {
        ret = EIO;
        goto done;
    }

    ret = ldb_search(cdb->ldb, tmp_ctx, &res,
                     dn, LDB_SCOPE_BASE, attrs, NULL);
    if (ret != LDB_SUCCESS) {
        ret = EIO;
        goto done;
    }
    if (res->count > 1) {
        ret = EIO;
        goto done;
    }

    vals = talloc_zero(mem_ctx, char *);
    ret = EOK;

    if (res->count > 0) {
        el = ldb_msg_find_element(res->msgs[0], attribute);
        if (el && el->num_values > 0) {
            vals = talloc_realloc(mem_ctx, vals, char *, el->num_values +1);
            if (!vals) {
                ret = ENOMEM;
                goto done;
            }
            /* should always be strings so this should be safe */
            for (i = 0; i < el->num_values; i++) {
                struct ldb_val v = el->values[i];
                vals[i] = talloc_strndup(vals, (char *)v.data, v.length);
                if (!vals[i]) {
                    ret = ENOMEM;
                    goto done;
                }
            }
            vals[i] = NULL;
        }
    }

    *values = vals;

done:
    talloc_free(tmp_ctx);
    if (ret != EOK) {
        DEBUG(1, ("Failed to get [%s] from [%s], error [%d] (%s)",
                  attribute, section, ret, strerror(ret)));
    }
    return ret;
}

int confdb_get_string(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
                      const char *section, const char *attribute,
                      const char *defstr, char **result)
{
    char **values = NULL;
    char *restr;
    int ret;

    ret = confdb_get_param(cdb, ctx, section, attribute, &values);
    if (ret != EOK) {
        goto failed;
    }

    if (values[0]) {
        if (values[1] != NULL) {
            /* too many values */
            ret = EINVAL;
            goto failed;
        }
        restr = talloc_steal(ctx, values[0]);
    } else {
        /* Did not return a value, so use the default */

        if (defstr == NULL) { /* No default given */
            *result = NULL;
            talloc_free(values);
            return EOK;
        }

        /* Copy the default string */
        restr = talloc_strdup(ctx, defstr);
    }
    if (!restr) {
        ret = ENOMEM;
        goto failed;
    }

    talloc_free(values);

    *result = restr;
    return EOK;

failed:
    talloc_free(values);
    DEBUG(1, ("Failed to get [%s] from [%s], error [%d] (%s)",
              attribute, section, ret, strerror(ret)));
    return ret;
}

int confdb_get_int(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
                   const char *section, const char *attribute,
                   int defval, int *result)
{
    char **values = NULL;
    long val;
    int ret;

    ret = confdb_get_param(cdb, ctx, section, attribute, &values);
    if (ret != EOK) {
        goto failed;
    }

    if (values[0]) {
        if (values[1] != NULL) {
            /* too many values */
            ret = EINVAL;
            goto failed;
        }

        errno = 0;
        val = strtol(values[0], NULL, 0);
        if (errno) {
            ret = errno;
            goto failed;
        }

        if (val < INT_MIN || val > INT_MAX) {
            ret = ERANGE;
            goto failed;
        }

    } else {
        val = defval;
    }

    talloc_free(values);

    *result = (int)val;
    return EOK;

failed:
    talloc_free(values);
    DEBUG(1, ("Failed to read [%s] from [%s], error [%d] (%s)",
              attribute, section, ret, strerror(ret)));
    return ret;
}

long confdb_get_long(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
                     const char *section, const char *attribute,
                     long defval, long *result)
{
    char **values = NULL;
    long val;
    int ret;

    ret = confdb_get_param(cdb, ctx, section, attribute, &values);
    if (ret != EOK) {
        goto failed;
    }

    if (values[0]) {
        if (values[1] != NULL) {
            /* too many values */
            ret = EINVAL;
            goto failed;
        }

        errno = 0;
        val = strtol(values[0], NULL, 0);
        if (errno) {
            ret = errno;
            goto failed;
        }

    } else {
        val = defval;
    }

    talloc_free(values);

    *result = val;
    return EOK;

failed:
    talloc_free(values);
    DEBUG(1, ("Failed to read [%s] from [%s], error [%d] (%s)",
              attribute, section, ret, strerror(ret)));
    return ret;
}

int confdb_get_bool(struct confdb_ctx *cdb, TALLOC_CTX *ctx,
                    const char *section, const char *attribute,
                    bool defval, bool *result)
{
    char **values = NULL;
    bool val;
    int ret;

    ret = confdb_get_param(cdb, ctx, section, attribute, &values);
    if (ret != EOK) {
        goto failed;
    }

    if (values[0]) {
        if (values[1] != NULL) {
            /* too many values */
            ret = EINVAL;
            goto failed;
        }

        if (strcasecmp(values[0], "FALSE") == 0) {
            val = false;

        } else if (strcasecmp(values[0], "TRUE") == 0) {
            val = true;

        } else {

            DEBUG(2, ("Value is not a boolean!\n"));
            ret = EINVAL;
            goto failed;
        }

    } else {
        val = defval;
    }

    talloc_free(values);

    *result = val;
    return EOK;

failed:
    talloc_free(values);
    DEBUG(1, ("Failed to read [%s] from [%s], error [%d] (%s)",
              attribute, section, ret, strerror(ret)));
    return ret;
}

static int confdb_test(struct confdb_ctx *cdb)
{
    char **values;
    int ret;

    ret = confdb_get_param(cdb, cdb,
                           "config",
                           "version",
                           &values);
    if (ret != EOK) {
        return ret;
    }

    if (values[0] == NULL) {
        /* empty database, will need to init */
        talloc_free(values);
        return ENOENT;
    }

    if (values[1] != NULL) {
        /* more than 1 value ?? */
        talloc_free(values);
        return EIO;
    }

    if (strcmp(values[0], CONFDB_VERSION) != 0) {
        /* bad version get out */
        talloc_free(values);
        return EIO;
    }

    talloc_free(values);
    return EOK;
}

static int confdb_init_db(struct confdb_ctx *cdb)
{
    const char *val[2];
    int ret;
    TALLOC_CTX *tmp_ctx;

    tmp_ctx = talloc_new(cdb);
    if(tmp_ctx == NULL) return ENOMEM;

    val[0] = CONFDB_VERSION;
    val[1] = NULL;

    /* Add the confdb version */
    ret = confdb_add_param(cdb,
                           false,
                           "config",
                           "version",
                            val);
    if (ret != EOK) goto done;

    /* Set up default monitored services */
    val[0] = "Local service configuration";
    ret = confdb_add_param(cdb, false, "config/services", "description", val);
    if (ret != EOK) goto done;

/* PAM */
    /* set the sssd_pam description */
    val[0] = "PAM Responder Configuration";
    ret = confdb_add_param(cdb, false, "config/services/pam", "description", val);
    if (ret != EOK) goto done;

    /* Set the sssd_pam command path */
    val[0] = talloc_asprintf(tmp_ctx, "%s/sssd_pam", SSSD_LIBEXEC_PATH);
    CONFDB_ZERO_CHECK_OR_JUMP(val[0], ret, ENOMEM, done);
    ret = confdb_add_param(cdb, false, "config/services/pam", "command", val);
    if (ret != EOK) goto done;

#if 0 /* for future use */
    /* Set the sssd_pam socket path */
    val[0] = talloc_asprintf(tmp_ctx, "%s/pam", PIPE_PATH);
    CONFDB_ZERO_CHECK_OR_JUMP(val[0], ret, ENOMEM, done);
    ret = confdb_add_param(cdb, false, "config/services/pam", "unixSocket", val);
    if (ret != EOK) goto done;
#endif /* for future use */

    /* Add PAM to the list of active services */
    val[0] = "pam";
    ret = confdb_add_param(cdb, false, "config/services", "activeServices", val);
    if (ret != EOK) goto done;

/* NSS */
    /* set the sssd_nss description */
    val[0] = "NSS Responder Configuration";
    ret = confdb_add_param(cdb, false, "config/services/nss", "description", val);
    if (ret != EOK) goto done;

    /* Set the sssd_nss command path */
    val[0] = talloc_asprintf(tmp_ctx, "%s/sssd_nss", SSSD_LIBEXEC_PATH);
    CONFDB_ZERO_CHECK_OR_JUMP(val[0], ret, ENOMEM, done);
    ret = confdb_add_param(cdb, false, "config/services/nss", "command", val);
    if (ret != EOK) goto done;

#if 0 /* for future use */
    /* Set the sssd_nss socket path */
    val[0] = talloc_asprintf(tmp_ctx, "%s/sssd_nss", PIPE_PATH);
    CONFDB_ZERO_CHECK_OR_JUMP(val[0], ret, ENOMEM, done);
    ret = confdb_add_param(cdb, false, "config/services/nss", "unixSocket", val);
    if (ret != EOK) goto done;
#endif /* for future use */

    /* Add NSS to the list of active services */
    val[0] = "nss";
    ret = confdb_add_param(cdb, false, "config/services", "activeServices", val);
    if (ret != EOK) goto done;

/* Data Provider */
    /* Set the sssd_dp description */
    val[0] = "Data Provider Configuration";
    ret = confdb_add_param(cdb, false, "config/services/dp", "description", val);
    if (ret != EOK) goto done;

    /* Set the sssd_dp command path */
    val[0] = talloc_asprintf(tmp_ctx, "%s/sssd_dp", SSSD_LIBEXEC_PATH);
    CONFDB_ZERO_CHECK_OR_JUMP(val[0], ret, ENOMEM, done);
    ret = confdb_add_param(cdb, false, "config/services/dp", "command", val);
    if (ret != EOK) goto done;

    /* Add the Data Provider to the list of active services */
    val[0] = "dp";
    ret = confdb_add_param(cdb, false, "config/services", "activeServices", val);
    if (ret != EOK) goto done;

/* InfoPipe */
#ifdef HAVE_INFOPIPE
    /* Set the sssd_info description */
    val[0] = "InfoPipe Configuration";
    ret = confdb_add_param(cdb, false, "config/services/info", "description", val);
    if (ret != EOK) goto done;

    /* Set the sssd_info command path */
    val[0] = talloc_asprintf(tmp_ctx, "%s/sssd_info", SSSD_LIBEXEC_PATH);
    CONFDB_ZERO_CHECK_OR_JUMP(val[0], ret, ENOMEM, done);
    ret = confdb_add_param(cdb, false, "config/services/info", "command", val);
    if (ret != EOK) goto done;

    /* Add the InfoPipe to the list of active services */
    val[0] = "info";
    ret = confdb_add_param(cdb, false, "config/services", "activeServices", val);
    if (ret != EOK) goto done;
#endif

/* PolicyKit */
#ifdef HAVE_POLICYKIT
    /* Set the sssd_pk description */
    val[0] = "PolicyKit Backend Configuration";
    ret = confdb_add_param(cdb, false, "config/services/spk", "description", val);
    if (ret != EOK) goto done;

    /* Set the sssd_info command path */
    val[0] = talloc_asprintf(tmp_ctx, "%s/sssd_pk", SSSD_LIBEXEC_PATH);
    CONFDB_ZERO_CHECK_OR_JUMP(val[0], ret, ENOMEM, done);
    ret = confdb_add_param(cdb, false, "config/services/spk", "command", val);
    if (ret != EOK) goto done;

    /* Add the InfoPipe to the list of active services */
    val[0] = "spk";
    ret = confdb_add_param(cdb, false, "config/services", "activeServices", val);
    if (ret != EOK) goto done;
#endif

/* Domains */
    val[0] = "Domains served by SSSD";
    ret = confdb_add_param(cdb, false, "config/domains", "description", val);
    if (ret != EOK) goto done;

    /* Default LOCAL domain */
    val[0] = "Reserved domain for local configurations";
    ret = confdb_add_param(cdb, false, "config/domains/LOCAL", "description", val);
    if (ret != EOK) goto done;

    val[0] = "LOCAL";
    ret = confdb_add_param(cdb, false, "config/domains", "default", val);
    if(ret != EOK) goto done;

    /* Set enumeration of LOCAL domain to allow user and groups
     * (mask 1: users, 2: groups)
     */
    val[0] = "3";
    ret = confdb_add_param(cdb, false, "config/domains/LOCAL", "enumerate", val);
    if (ret != EOK) goto done;

    /* LOCAL uses Magic Private Groups by default */
    val[0] = "TRUE";
    ret = confdb_add_param(cdb, false, "config/domains/LOCAL", CONFDB_MPG, val);
    if (ret != EOK) goto done;

done:
    talloc_free(tmp_ctx);
    return ret;
}

int confdb_init(TALLOC_CTX *mem_ctx,
                struct tevent_context *ev,
                struct confdb_ctx **cdb_ctx,
                char *confdb_location)
{
    struct confdb_ctx *cdb;
    int ret;

    cdb = talloc_zero(mem_ctx, struct confdb_ctx);
    if (!cdb)
        return ENOMEM;

    /* Because condb calls use sync ldb calls, we create a separate event
     * context here. This will prevent the ldb sync calls to start nested
     * events.
     * NOTE: this means that we *cannot* do async calls and return in confdb
     * unless we convert all calls and hook back to the main event context.
     */

    cdb->pev = tevent_context_init(cdb);
    if (!cdb->pev) {
        talloc_free(cdb);
        return EIO;
    }

    cdb->ldb = ldb_init(cdb, cdb->pev);
    if (!cdb->ldb) {
        talloc_free(cdb);
        return EIO;
    }

    ret = ldb_connect(cdb->ldb, confdb_location, 0, NULL);
    if (ret != LDB_SUCCESS) {
        talloc_free(cdb);
        return EIO;
    }

    ret = confdb_test(cdb);
    if (ret == ENOENT) {
        ret = confdb_init_db(cdb);
    }
    if (ret != EOK) {
        talloc_free(cdb);
        return ret;
    }

    *cdb_ctx = cdb;

    return EOK;
}

/* domain names are case insensitive for now
 * NOTE: this function is not utf-8 safe,
 * only ASCII names for now */
static int _domain_comparator(const void *key1, const void *key2)
{
    int ret;

    ret = strcasecmp((const char *)key1, (const char *)key2);
    if (ret) {
        /* special case LOCAL to be always the first domain */
        if (strcmp(key1, "LOCAL") == 0) return -1;
        if (strcmp(key2, "LOCAL") == 0) return 1;
    }
    return ret;
}

int confdb_get_domains(struct confdb_ctx *cdb,
                       TALLOC_CTX *mem_ctx,
                       struct btreemap **domains)
{
    TALLOC_CTX *tmp_ctx;
    struct ldb_dn *dn;
    struct ldb_result *res;
    struct btreemap *domain_map;
    struct sss_domain_info *domain;
    const char *tmp;
    int ret, i;

    tmp_ctx = talloc_new(mem_ctx);
    if (!tmp_ctx) return ENOMEM;

    dn = ldb_dn_new(tmp_ctx,cdb->ldb, CONFDB_DOMAIN_BASEDN);
    if (!dn) {
        ret = EIO;
        goto done;
    }

    ret = ldb_search(cdb->ldb, tmp_ctx, &res, dn,
                     LDB_SCOPE_ONELEVEL, NULL, NULL);
    if (ret != LDB_SUCCESS) {
        ret = EIO;
        goto done;
    }

    domain_map = NULL;
    for(i = 0; i < res->count; i++) {
        /* allocate the domain on the tmp_ctx. It will be stolen
         * by btreemap_set_value
         */
        domain = talloc_zero(mem_ctx, struct sss_domain_info);

        tmp = ldb_msg_find_attr_as_string(res->msgs[i], "cn", NULL);
        if (!tmp) {
            DEBUG(0, ("Invalid configuration entry, fatal error!\n"));
            ret = EINVAL;
            goto done;
        }
        domain->name = talloc_strdup(domain, tmp);
        if (!domain->name) {
            ret = ENOMEM;
            goto done;
        }

        domain->timeout = ldb_msg_find_attr_as_int(res->msgs[i],
                                                   "timeout", 0);

        /* Determine if this domain can be enumerated */
        domain->enumerate = ldb_msg_find_attr_as_int(res->msgs[i],
                                                     "enumerate", 0);
        if (domain->enumerate == 0) {
            DEBUG(1, ("No enumeration for [%s]!\n", domain->name));
        }

        /* Determine if this is a legacy domain */
        if (ldb_msg_find_attr_as_bool(res->msgs[i], "legacy", 0)) {
            domain->legacy = true;
        }

        /* Determine if this is domain uses MPG */
        if (ldb_msg_find_attr_as_bool(res->msgs[i], CONFDB_MPG, 0)) {
            domain->mpg = true;
        }

        domain->id_min = ldb_msg_find_attr_as_uint(res->msgs[i],
                                                   "minId", SSSD_MIN_ID);
        domain->id_max = ldb_msg_find_attr_as_uint(res->msgs[i],
                                                   "maxId", 0);

        ret = btreemap_set_value(mem_ctx, &domain_map,
                                 domain->name, domain,
                                 _domain_comparator);
        if (ret != EOK) {
            DEBUG(1, ("Failed to store domain info for [%s]!\n", domain->name));
            talloc_free(domain_map);
            goto done;
        }
    }

    if (domain_map == NULL) {
        DEBUG(0, ("No domains configured, fatal error!\n"));
        ret = EINVAL;
    }

    *domains = domain_map;

done:
    talloc_free(tmp_ctx);
    return ret;
}

int confdb_get_domains_list(struct confdb_ctx *cdb,
                            TALLOC_CTX *mem_ctx,
                            struct btreemap **domain_map,
                            const char ***domain_names,
                            int *count)
{
    const void **names;
    int num;
    int ret;

    if (*domain_map == NULL) {
        ret = confdb_get_domains(cdb, mem_ctx, domain_map);
        if (ret != EOK) return ret;
    }

    ret = btreemap_get_keys(mem_ctx, *domain_map, &names, &num);
    if (ret != EOK) {
        DEBUG(0, ("Couldn't get domain list\n"));
        return ret;
    }

    *domain_names = (const char **)names;
    *count = num;
    return EOK;
}


context:
space:
mode: