helpers/digest_auth/LDAP/ldap_backend.cc

   1 /*
   2  *
   3  *
   4  *
   5  * ldap_backend.c
   6  * AUTHOR: Flavio Pescuma, MARA Systems AB <flavio@marasystems.com>
   7  */
   8 #include "squid.h"
   9 #include "util.h"
  10
  11 #define LDAP_DEPRECATED 1
  12
  13 #include "ldap_backend.h"
  14
  15 #if _SQUID_MSWIN_               /* Native Windows port and MinGW */
  16
  17 #define snprintf _snprintf
  18 #include <windows.h>
  19 #include <winldap.h>
  20 #ifndef LDAPAPI
  21 #define LDAPAPI __cdecl
  22 #endif
  23 #ifdef LDAP_VERSION3
  24 #ifndef LDAP_OPT_X_TLS
  25 #define LDAP_OPT_X_TLS 0x6000
  26 #endif
  27 /* Some tricks to allow dynamic bind with ldap_start_tls_s entry point at
  28  * run time.
  29  */
  30 #undef ldap_start_tls_s
  31 #if LDAP_UNICODE
  32 #define LDAP_START_TLS_S "ldap_start_tls_sW"
  33 typedef WINLDAPAPI ULONG(LDAPAPI * PFldap_start_tls_s) (IN PLDAP, OUT PULONG, OUT LDAPMessage **, IN PLDAPControlW *, IN PLDAPControlW *);
  34 #else
  35 #define LDAP_START_TLS_S "ldap_start_tls_sA"
  36 typedef WINLDAPAPI ULONG(LDAPAPI * PFldap_start_tls_s) (IN PLDAP, OUT PULONG, OUT LDAPMessage **, IN PLDAPControlA *, IN PLDAPControlA *);
  37 #endif /* LDAP_UNICODE */
  38 PFldap_start_tls_s Win32_ldap_start_tls_s;
  39 #define ldap_start_tls_s(l,s,c) Win32_ldap_start_tls_s(l,NULL,NULL,s,c)
  40 #endif /* LDAP_VERSION3 */
  41
  42 #else
  43
  44 #include <lber.h>
  45 #include <ldap.h>
  46
  47 #endif
  48 #define PROGRAM_NAME "digest_pw_auth(LDAP_backend)"
  49
  50 /* Globals */
  51
  52 static LDAP *ld = NULL;
  53 static const char *passattr = NULL;
  54 static char *ldapServer = NULL;
  55 static const char *userbasedn = NULL;
  56 static const char *userdnattr = NULL;
  57 static const char *usersearchfilter = NULL;
  58 static const char *binddn = NULL;
  59 static const char *bindpasswd = NULL;
  60 static const char *delimiter = ":";
  61 static int encrpass = 0;
  62 static int searchscope = LDAP_SCOPE_SUBTREE;
  63 static int persistent = 0;
  64 static int noreferrals = 0;
  65 static int port = LDAP_PORT;
  66 static int strip_nt_domain = 0;
  67 static int aliasderef = LDAP_DEREF_NEVER;
  68 #if defined(NETSCAPE_SSL)
  69 static char *sslpath = NULL;
  70 static int sslinit = 0;
  71 #endif
  72 static int connect_timeout = 0;
  73 static int timelimit = LDAP_NO_LIMIT;
  74
  75 #ifdef LDAP_VERSION3
  76 /* Added for TLS support and version 3 */
  77 static int use_tls = 0;
  78 static int version = -1;
  79 #endif
  80
  81 static void ldapconnect(void);
  82 static int readSecret(const char *filename);
  83
  84 /* Yuck.. we need to glue to different versions of the API */
  85
  86 #if defined(LDAP_API_VERSION) && LDAP_API_VERSION > 1823
  87 static void
  88 squid_ldap_set_aliasderef(int deref)
  89 {
  90     ldap_set_option(ld, LDAP_OPT_DEREF, &deref);
  91 }
  92 static void
  93 squid_ldap_set_referrals(int referrals)
  94 {
  95     int *value = static_cast<int*>(referrals ? LDAP_OPT_ON :LDAP_OPT_OFF);
  96     ldap_set_option(ld, LDAP_OPT_REFERRALS, value);
  97 }
  98 static void
  99 squid_ldap_set_timelimit(int aTimeLimit)
 100 {
 101     ldap_set_option(ld, LDAP_OPT_TIMELIMIT, &aTimeLimit);
 102 }
 103 static void
 104 squid_ldap_set_connect_timeout(int aTimeLimit)
 105 {
 106 #if defined(LDAP_OPT_NETWORK_TIMEOUT)
 107     struct timeval tv;
 108     tv.tv_sec = aTimeLimit;
 109     tv.tv_usec = 0;
 110     ldap_set_option(ld, LDAP_OPT_NETWORK_TIMEOUT, &tv);
 111 #elif defined(LDAP_X_OPT_CONNECT_TIMEOUT)
 112     aTimeLimit *= 1000;
 113     ldap_set_option(ld, LDAP_X_OPT_CONNECT_TIMEOUT, &aTimeLimit);
 114 #endif
 115 }
 116
 117 #else
 118 static int
 119 squid_ldap_errno(LDAP * ld)
 120 {
 121     return ld->ld_errno;
 122 }
 123 static void
 124 squid_ldap_set_aliasderef(int deref)
 125 {
 126     ld->ld_deref = deref;
 127 }
 128 static void
 129 squid_ldap_set_referrals(int referrals)
 130 {
 131     if (referrals)
 132         ld->ld_options |= ~LDAP_OPT_REFERRALS;
 133     else
 134         ld->ld_options &= ~LDAP_OPT_REFERRALS;
 135 }
 136 static void
 137 squid_ldap_set_timelimit(int aTimeLimit)
 138 {
 139     ld->ld_timelimit = aTimeLimit;
 140 }
 141 static void
 142 squid_ldap_set_connect_timeout(int aTimeLimit)
 143 {
 144     fprintf(stderr, "Connect timeouts not supported in your LDAP library\n");
 145 }
 146 static void
 147 squid_ldap_memfree(char *p)
 148 {
 149     free(p);
 150 }
 151
 152 #endif
 153
 154 #ifdef LDAP_API_FEATURE_X_OPENLDAP
 155 #if LDAP_VENDOR_VERSION > 194
 156 #define HAS_URI_SUPPORT 1
 157 #endif
 158 #endif
 159
 160 static int
 161 ldap_escape_value(char *escaped, int size, const char *src)
 162 {
 163     int n = 0;
 164     while (size > 4 && *src) {
 165         switch (*src) {
 166         case '*':
 167         case '(':
 168         case ')':
 169         case '\\':
 170             n += 3;
 171             size -= 3;
 172             if (size > 0) {
 173                 *escaped = '\\';
 174                 ++escaped;
 175                 snprintf(escaped, 3, "%02x", (int) *src);
 176                 ++src;
 177                 escaped += 2;
 178             }
 179             break;
 180         default:
 181             *escaped = *src;
 182             ++escaped;
 183             ++src;
 184             ++n;
 185             --size;
 186         }
 187     }
 188     *escaped = '\0';
 189     return n;
 190 }
 191
 192 static char *
 193 getpassword(char *login, char *realm)
 194 {
 195     LDAPMessage *res = NULL;
 196     LDAPMessage *entry;
 197     char **values = NULL;
 198     char **value = NULL;
 199     char *password = NULL;
 200     int retry = 0;
 201     char filter[8192];
 202     char searchbase[8192];
 203     int rc = -1;
 204     if (ld) {
 205         if (usersearchfilter) {
 206             char escaped_login[1024];
 207             snprintf(searchbase, sizeof(searchbase), "%s", userbasedn);
 208             ldap_escape_value(escaped_login, sizeof(escaped_login), login);
 209             snprintf(filter, sizeof(filter), usersearchfilter, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login, escaped_login);
 210
 211 retrysrch:
 212             debug("user filter '%s', searchbase '%s'\n", filter, searchbase);
 213
 214             rc = ldap_search_s(ld, searchbase, searchscope, filter, NULL, 0, &res);
 215             if (rc != LDAP_SUCCESS) {
 216                 if (noreferrals && rc == LDAP_PARTIAL_RESULTS) {
 217                     /* Everything is fine. This is expected when referrals
 218                      * are disabled.
 219                      */
 220                     rc = LDAP_SUCCESS;
 221                 } else {
 222                     fprintf(stderr, PROGRAM_NAME " WARNING, LDAP search error '%s'\n", ldap_err2string(rc));
 223 #if defined(NETSCAPE_SSL)
 224                     if (sslpath && ((rc == LDAP_SERVER_DOWN) || (rc == LDAP_CONNECT_ERROR))) {
 225                         int sslerr = PORT_GetError();
 226                         fprintf(stderr, PROGRAM_NAME ": WARNING, SSL error %d (%s)\n", sslerr, ldapssl_err2string(sslerr));
 227                     }
 228 #endif
 229                     fprintf(stderr, PROGRAM_NAME " WARNING, LDAP search error, trying to recover'%s'\n", ldap_err2string(rc));
 230                     ldap_msgfree(res);
 231                     /* try to connect to the LDAP server agin, maybe my persisten conexion failed. */
 232                     if (!retry) {
 233                         ++retry;
 234                         ldap_unbind(ld);
 235                         ld = NULL;
 236                         ldapconnect();
 237                         goto retrysrch;
 238                     }
 239                     return NULL;
 240
 241                 }
 242             }
 243         } else if (userdnattr) {
 244             snprintf(filter,8192,"%s=%s",userdnattr,login);
 245
 246 retrydnattr:
 247             debug("searchbase '%s'\n", userbasedn);
 248             rc = ldap_search_s(ld, userbasedn, searchscope, filter, NULL, 0, &res);
 249         }
 250         if (rc == LDAP_SUCCESS) {
 251             entry = ldap_first_entry(ld, res);
 252             if (entry)
 253                 values = ldap_get_values(ld, entry, passattr);
 254             else {
 255                 ldap_msgfree(res);
 256                 return NULL;
 257             }
 258             if (!values) {
 259                 debug("No attribute value found\n");
 260                 ldap_msgfree(res);
 261                 return NULL;
 262             }
 263             value = values;
 264             while (*value) {
 265                 if (encrpass) {
 266                     if (strcmp(strtok(*value, delimiter), realm) == 0) {
 267                         password = strtok(NULL, delimiter);
 268                         break;
 269                     }
 270                 } else {
 271                     password = *value;
 272                     break;
 273                 }
 274                 ++value;
 275             }
 276             debug("password: %s\n", password);
 277             if (password)
 278                 password = xstrdup(password);
 279             ldap_value_free(values);
 280             ldap_msgfree(res);
 281             return password;
 282         } else {
 283             fprintf(stderr, PROGRAM_NAME " WARNING, LDAP error '%s'\n", ldap_err2string(rc));
 284             /* try to connect to the LDAP server agin, maybe my persisten conexion failed. */
 285             if (!retry) {
 286                 ++retry;
 287                 ldap_unbind(ld);
 288                 ld = NULL;
 289                 ldapconnect();
 290                 goto retrydnattr;
 291             }
 292             return NULL;
 293         }
 294     }
 295     return NULL;
 296 }
 297
 298 static void
 299 ldapconnect(void)
 300 {
 301     int rc;
 302
 303     /* On Windows ldap_start_tls_s is available starting from Windows XP,
 304      * so we need to bind at run-time with the function entry point
 305      */
 306 #if _SQUID_MSWIN_
 307     if (use_tls) {
 308
 309         HMODULE WLDAP32Handle;
 310
 311         WLDAP32Handle = GetModuleHandle("wldap32");
 312         if ((Win32_ldap_start_tls_s = (PFldap_start_tls_s) GetProcAddress(WLDAP32Handle, LDAP_START_TLS_S)) == NULL) {
 313             fprintf(stderr, PROGRAM_NAME ": ERROR: TLS (-Z) not supported on this platform.\n");
 314             exit(1);
 315         }
 316     }
 317 #endif
 318
 319     if (ld == NULL) {
 320 #if HAS_URI_SUPPORT
 321         if (strstr(ldapServer, "://") != NULL) {
 322             rc = ldap_initialize(&ld, ldapServer);
 323             if (rc != LDAP_SUCCESS) {
 324                 fprintf(stderr, "\nUnable to connect to LDAPURI:%s\n", ldapServer);
 325             }
 326         } else
 327 #endif
 328 #if NETSCAPE_SSL
 329             if (sslpath) {
 330                 if (!sslinit && (ldapssl_client_init(sslpath, NULL) != LDAP_SUCCESS)) {
 331                     fprintf(stderr, "\nUnable to initialise SSL with cert path %s\n",
 332                             sslpath);
 333                     exit(1);
 334                 } else {
 335                     ++sslinit;
 336                 }
 337                 if ((ld = ldapssl_init(ldapServer, port, 1)) == NULL) {
 338                     fprintf(stderr, "\nUnable to connect to SSL LDAP server: %s port:%d\n",
 339                             ldapServer, port);
 340                     exit(1);
 341                 }
 342             } else
 343 #endif
 344                 if ((ld = ldap_init(ldapServer, port)) == NULL) {
 345                     fprintf(stderr, "\nUnable to connect to LDAP server:%s port:%d\n", ldapServer, port);
 346                 }
 347         if (connect_timeout)
 348             squid_ldap_set_connect_timeout(connect_timeout);
 349
 350 #ifdef LDAP_VERSION3
 351         if (version == -1) {
 352             version = LDAP_VERSION2;
 353         }
 354         if (ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &version)
 355                 != LDAP_SUCCESS) {
 356             fprintf(stderr, "Could not set LDAP_OPT_PROTOCOL_VERSION %d\n",
 357                     version);
 358             ldap_unbind(ld);
 359             ld = NULL;
 360         }
 361         if (use_tls) {
 362 #ifdef LDAP_OPT_X_TLS
 363             if (version != LDAP_VERSION3) {
 364                 fprintf(stderr, "TLS requires LDAP version 3\n");
 365                 exit(1);
 366             } else if (ldap_start_tls_s(ld, NULL, NULL) != LDAP_SUCCESS) {
 367                 fprintf(stderr, "Could not Activate TLS connection\n");
 368                 exit(1);
 369             }
 370 #else
 371             fprintf(stderr, "TLS not supported with your LDAP library\n");
 372             ldap_unbind(ld);
 373             ld = NULL;
 374 #endif
 375         }
 376 #endif
 377         squid_ldap_set_timelimit(timelimit);
 378         squid_ldap_set_referrals(!noreferrals);
 379         squid_ldap_set_aliasderef(aliasderef);
 380         if (binddn && bindpasswd && *binddn && *bindpasswd) {
 381             rc = ldap_simple_bind_s(ld, binddn, bindpasswd);
 382             if (rc != LDAP_SUCCESS) {
 383                 fprintf(stderr, PROGRAM_NAME " WARNING, could not bind to binddn '%s'\n", ldap_err2string(rc));
 384                 ldap_unbind(ld);
 385                 ld = NULL;
 386             }
 387         }
 388         debug("Connected OK\n");
 389     }
 390 }
 391 int
 392 LDAPArguments(int argc, char **argv)
 393 {
 394     setbuf(stdout, NULL);
 395
 396     while (argc > 1 && argv[1][0] == '-') {
 397         const char *value = "";
 398         char option = argv[1][1];
 399         switch (option) {
 400         case 'P':
 401         case 'R':
 402         case 'z':
 403         case 'Z':
 404         case 'g':
 405         case 'e':
 406         case 'S':
 407             break;
 408         default:
 409             if (strlen(argv[1]) > 2) {
 410                 value = argv[1] + 2;
 411             } else if (argc > 2) {
 412                 value = argv[2];
 413                 ++argv;
 414                 --argc;
 415             } else
 416                 value = "";
 417             break;
 418         }
 419         ++argv;
 420         --argc;
 421         switch (option) {
 422         case 'H':
 423 #if !HAS_URI_SUPPORT
 424             fprintf(stderr, "ERROR: Your LDAP library does not have URI support\n");
 425             return 1;
 426 #endif
 427             /* Fall thru to -h */
 428         case 'h':
 429             if (ldapServer) {
 430                 int len = strlen(ldapServer) + 1 + strlen(value) + 1;
 431                 char *newhost = (char*)malloc(len);
 432                 snprintf(newhost, len, "%s %s", ldapServer, value);
 433                 free(ldapServer);
 434                 ldapServer = newhost;
 435             } else {
 436                 ldapServer = xstrdup(value);
 437             }
 438             break;
 439         case 'A':
 440             passattr = value;
 441             break;
 442         case 'e':
 443             encrpass = 1;
 444             break;
 445         case 'l':
 446             delimiter = value;
 447             break;
 448         case 'b':
 449             userbasedn = value;
 450             break;
 451         case 'F':
 452             usersearchfilter = value;
 453             break;
 454         case 'u':
 455             userdnattr = value;
 456             break;
 457         case 's':
 458             if (strcmp(value, "base") == 0)
 459                 searchscope = LDAP_SCOPE_BASE;
 460             else if (strcmp(value, "one") == 0)
 461                 searchscope = LDAP_SCOPE_ONELEVEL;
 462             else if (strcmp(value, "sub") == 0)
 463                 searchscope = LDAP_SCOPE_SUBTREE;
 464             else {
 465                 fprintf(stderr, PROGRAM_NAME " ERROR: Unknown search scope '%s'\n", value);
 466                 return 1;
 467             }
 468             break;
 469         case 'S':
 470 #if defined(NETSCAPE_SSL)
 471             sslpath = value;
 472             if (port == LDAP_PORT)
 473                 port = LDAPS_PORT;
 474 #else
 475             fprintf(stderr, PROGRAM_NAME " ERROR: -E unsupported with this LDAP library\n");
 476             return 1;
 477 #endif
 478             break;
 479         case 'c':
 480             connect_timeout = atoi(value);
 481             break;
 482         case 't':
 483             timelimit = atoi(value);
 484             break;
 485         case 'a':
 486             if (strcmp(value, "never") == 0)
 487                 aliasderef = LDAP_DEREF_NEVER;
 488             else if (strcmp(value, "always") == 0)
 489                 aliasderef = LDAP_DEREF_ALWAYS;
 490             else if (strcmp(value, "search") == 0)
 491                 aliasderef = LDAP_DEREF_SEARCHING;
 492             else if (strcmp(value, "find") == 0)
 493                 aliasderef = LDAP_DEREF_FINDING;
 494             else {
 495                 fprintf(stderr, PROGRAM_NAME " ERROR: Unknown alias dereference method '%s'\n", value);
 496                 return 1;
 497             }
 498             break;
 499         case 'D':
 500             binddn = value;
 501             break;
 502         case 'w':
 503             bindpasswd = value;
 504             break;
 505         case 'W':
 506             readSecret(value);
 507             break;
 508         case 'P':
 509             persistent = !persistent;
 510             break;
 511         case 'p':
 512             port = atoi(value);
 513             break;
 514         case 'R':
 515             noreferrals = !noreferrals;
 516             break;
 517 #ifdef LDAP_VERSION3
 518         case 'v':
 519             switch (atoi(value)) {
 520             case 2:
 521                 version = LDAP_VERSION2;
 522                 break;
 523             case 3:
 524                 version = LDAP_VERSION3;
 525                 break;
 526             default:
 527                 fprintf(stderr, "Protocol version should be 2 or 3\n");
 528                 return 1;
 529             }
 530             break;
 531         case 'Z':
 532             if (version == LDAP_VERSION2) {
 533                 fprintf(stderr, "TLS (-Z) is incompatible with version %d\n",
 534                         version);
 535                 return 1;
 536             }
 537             version = LDAP_VERSION3;
 538             use_tls = 1;
 539             break;
 540 #endif
 541         case 'd':
 542             debug_enabled = 1;
 543             break;
 544         case 'E':
 545             strip_nt_domain = 1;
 546             break;
 547         default:
 548             fprintf(stderr, PROGRAM_NAME " ERROR: Unknown command line option '%c'\n", option);
 549             return 1;
 550         }
 551     }
 552
 553     while (argc > 1) {
 554         char *value = argv[1];
 555         if (ldapServer) {
 556             int len = strlen(ldapServer) + 1 + strlen(value) + 1;
 557             char *newhost = (char*)malloc(len);
 558             snprintf(newhost, len, "%s %s", ldapServer, value);
 559             free(ldapServer);
 560             ldapServer = newhost;
 561         } else {
 562             ldapServer = xstrdup(value);
 563         }
 564         --argc;
 565         ++argv;
 566     }
 567
 568     if (!ldapServer)
 569         ldapServer = (char *) "localhost";
 570
 571     if (!userbasedn || !passattr) {
 572         fprintf(stderr, "Usage: " PROGRAM_NAME " -b basedn -f filter [options] ldap_server_name\n\n");
 573         fprintf(stderr, "\t-A password attribute(REQUIRED)\t\tUser attribute that contains the password\n");
 574         fprintf(stderr, "\t-l password realm delimiter(REQUIRED)\tCharater(s) that devides the password attribute\n\t\t\t\t\t\tin realm and password tokens, default ':' realm:password\n");
 575         fprintf(stderr, "\t-b basedn (REQUIRED)\t\t\tbase dn under where to search for users\n");
 576         fprintf(stderr, "\t-e Encrypted passwords(REQUIRED)\tPassword are stored encrypted using HHA1\n");
 577         fprintf(stderr, "\t-F filter\t\t\t\tuser search filter pattern. %%s = login\n");
 578         fprintf(stderr, "\t-u attribute\t\t\t\tattribute to use in combination with the basedn to create the user DN\n");
 579         fprintf(stderr, "\t-s base|one|sub\t\t\t\tsearch scope\n");
 580         fprintf(stderr, "\t-D binddn\t\t\t\tDN to bind as to perform searches\n");
 581         fprintf(stderr, "\t-w bindpasswd\t\t\t\tpassword for binddn\n");
 582         fprintf(stderr, "\t-W secretfile\t\t\t\tread password for binddn from file secretfile\n");
 583 #if HAS_URI_SUPPORT
 584         fprintf(stderr, "\t-H URI\t\t\t\t\tLDAPURI (defaults to ldap://localhost)\n");
 585 #endif
 586         fprintf(stderr, "\t-h server\t\t\t\tLDAP server (defaults to localhost)\n");
 587         fprintf(stderr, "\t-p port\t\t\t\t\tLDAP server port (defaults to %d)\n", LDAP_PORT);
 588         fprintf(stderr, "\t-P\t\t\t\t\tpersistent LDAP connection\n");
 589 #if defined(NETSCAPE_SSL)
 590         fprintf(stderr, "\t-E sslcertpath\t\t\t\tenable LDAP over SSL\n");
 591 #endif
 592         fprintf(stderr, "\t-c timeout\t\t\t\tconnect timeout\n");
 593         fprintf(stderr, "\t-t timelimit\t\t\t\tsearch time limit\n");
 594         fprintf(stderr, "\t-R\t\t\t\t\tdo not follow referrals\n");
 595         fprintf(stderr, "\t-a never|always|search|find\t\twhen to dereference aliases\n");
 596 #ifdef LDAP_VERSION3
 597         fprintf(stderr, "\t-v 2|3\t\t\t\t\tLDAP version\n");
 598         fprintf(stderr, "\t-Z\t\t\t\t\tTLS encrypt the LDAP connection, requires\n\t\t\t\tLDAP version 3\n");
 599 #endif
 600         fprintf(stderr, "\t-S\t\t\t\t\tStrip NT domain from usernames\n");
 601         fprintf(stderr, "\n");
 602         fprintf(stderr, "\tIf you need to bind as a user to perform searches then use the\n\t-D binddn -w bindpasswd or -D binddn -W secretfile options\n\n");
 603         return -1;
 604     }
 605     return 0;
 606 }
 607 static int
 608 readSecret(const char *filename)
 609 {
 610     char buf[BUFSIZ];
 611     char *e = 0;
 612     FILE *f;
 613
 614     if (!(f = fopen(filename, "r"))) {
 615         fprintf(stderr, PROGRAM_NAME " ERROR: Can not read secret file %s\n", filename);
 616         return 1;
 617     }
 618     if (!fgets(buf, sizeof(buf) - 1, f)) {
 619         fprintf(stderr, PROGRAM_NAME " ERROR: Secret file %s is empty\n", filename);
 620         fclose(f);
 621         return 1;
 622     }
 623     /* strip whitespaces on end */
 624     if ((e = strrchr(buf, '\n')))
 625         *e = 0;
 626     if ((e = strrchr(buf, '\r')))
 627         *e = 0;
 628
 629     bindpasswd = xstrdup(buf);
 630     if (!bindpasswd) {
 631         fprintf(stderr, PROGRAM_NAME " ERROR: can not allocate memory\n");
 632     }
 633     fclose(f);
 634
 635     return 0;
 636 }
 637
 638 void
 639 LDAPHHA1(RequestData * requestData)
 640 {
 641     char *password;
 642     ldapconnect();
 643     password = getpassword(requestData->user, requestData->realm);
 644     if (password != NULL) {
 645         if (encrpass)
 646             xstrncpy(requestData->HHA1, password, sizeof(requestData->HHA1));
 647         else {
 648             HASH HA1;
 649             DigestCalcHA1("md5", requestData->user, requestData->realm, password, NULL, NULL, HA1, requestData->HHA1);
 650         }
 651         free(password);
 652     } else {
 653         requestData->error = -1;
 654     }
 655
 656 }