+/* $OpenLDAP$ */
/*
- * Copyright 1998, David E. Storey, All rights reserved.
- * This software is not subject to any license of The Murphy Group, Inc.
- * or George Mason University.
- *
- * Redistribution and use in source and binary forms are permitted only
- * as authorized by the OpenLDAP Public License. A copy of this
- * license is available at http://www.OpenLDAP.org/license.html or
- * in file LICENSE in the top-level directory of the distribution.
- *
- * ldappasswd.c - program to modify passwords in an LDAP tree
- *
- * Created: 1998-11-26
- * Author: David E. Storey <dave@tamos.net>
- * Last Modified: 1998-12-05
- *
- * ToDo: passwd style change of password (termcap?)
- * option for referral handling
- * cracklib support?
- * kerberos support? (is this really necessary?)
- * update "shadow" fields?
- * create/view/change password policies?
- *
- * Note: I am totally FOR comments and suggestions!
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
-#include <stdlib.h>
-#include <sys/time.h>
+#include <ac/stdlib.h>
+
+#include <ac/ctype.h>
+#include <ac/signal.h>
+#include <ac/socket.h>
#include <ac/string.h>
+#include <ac/time.h>
#include <ac/unistd.h>
-#include <lber.h>
#include <ldap.h>
-#include <lutil.h>
-#include <lutil_md5.h>
-#include <lutil_sha1.h>
-
-#include "ldapconfig.h"
-
-#define LDAP_PASSWD_ATTRIB "userPassword"
-
-typedef enum {
- HASHTYPE_NONE,
- HASHTYPE_CRYPT,
- HASHTYPE_MD5,
- HASHTYPE_SHA1
-} HashTypes;
-
-struct hash_t {
- char *name;
- int namesz;
- int (*func)(const char *, char *);
- HashTypes type;
-};
-
-const char crypt64[] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789./";
-char *base = NULL;
-char *binddn = NULL;
-char *bindpw = NULL;
-char *ldaphost = "localhost";
-char *pwattr = LDAP_PASSWD_ATTRIB;
-char *targetdn = NULL;
-char *filtpattern = NULL;
-int ldapport = LDAP_PORT;
-int noupdates = 0;
-int verbose = 0;
-int hashtype = HASHTYPE_CRYPT;
-int scope = LDAP_SCOPE_SUBTREE;
-
-/*** functions ***/
-/*
- * if you'd like to write a better salt generator, please, be my guest.
- * I just needed *something*. It's actually halfway effective for small,
- * two character salts and it can come up with sequentially different
- * salts.
- */
+#include "ldap_defaults.h"
-void
-crypt_make_salt(char *salt)
-{
- struct timeval tv;
- int i;
- char t_salt[5];
-
- /* grab current time */
- gettimeofday(&tv, (struct timezone *) 0);
- i += tv.tv_usec + (int)&salt;
- strncpy(t_salt, (char *)&i, sizeof(i));
-
- for (i = 0; i < sizeof(i); i++)
- salt[i] = crypt64[t_salt[i] % (sizeof(crypt64) - 1)];
- salt[i] = '\0';
-}
+static int verbose = 0;
-int
-hash_none(const char *pw_in, char *pw_out)
+static void
+usage(const char *s)
{
- strcpy(pw_out, pw_in);
- return(1);
+ fprintf(stderr,
+ "Usage: %s [options] dn\n"
+ " -A\t\tprompt for old password\n"
+ " -a secret\told password\n"
+ " -D binddn\tbind dn\n"
+ " -d level\tdebugging level\n"
+ " -h host\tldap server (default: localhost)\n"
+ " -n\t\tmake no modifications\n"
+ " -p port\tldap port\n"
+ " -S\t\tprompt for new password\n"
+ " -s secret\tnew password\n"
+ " -v\t\tincrease verbosity\n"
+ " -W\t\tprompt for bind password\n"
+ " -w passwd\tbind password (for simple authentication)\n"
+ , s );
+
+ exit( EXIT_FAILURE );
}
int
-hash_crypt(const char *pw_in, char *pw_out)
+main( int argc, char *argv[] )
{
- char salt[5];
- crypt_make_salt(salt);
- strcpy(pw_out, crypt(pw_in, salt));
- return(1);
-}
+ int rc;
+ char *ldaphost = NULL;
-int
-hash_md5(const char *pw_in, char *pw_out)
-{
- lutil_MD5_CTX MD5context;
- unsigned char MD5digest[16];
- char base64digest[25]; /* ceiling(sizeof(input)/3) * 4 + 1 */
-
- lutil_MD5Init(&MD5context);
- lutil_MD5Update(&MD5context, (unsigned char *)pw_in, strlen(pw_in));
- lutil_MD5Final(MD5digest, &MD5context);
- if (lutil_b64_ntop(MD5digest, sizeof(MD5digest), base64digest, sizeof(base64digest)) < 0)
- return (0);
-
- strcpy(pw_out, base64digest);
- return(1);
-}
+ char *dn = NULL;
+ char *binddn = NULL;
-int
-hash_sha1(const char *pw_in, char *pw_out)
-{
- lutil_SHA1_CTX SHA1context;
- unsigned char SHA1digest[20];
- char base64digest[29]; /* ceiling(sizeof(input)/3) * 4 + 1 */
-
- lutil_SHA1Init(&SHA1context);
- lutil_SHA1Update(&SHA1context, (unsigned char *)pw_in, strlen(pw_in));
- lutil_SHA1Final(SHA1digest, &SHA1context);
- if (lutil_b64_ntop(SHA1digest, sizeof(SHA1digest), base64digest, sizeof(base64digest)) < 0)
- return(0);
-
- strcpy(pw_out, base64digest);
- return(1);
-}
+ char *bindpw = NULL;
+ char *newpw = NULL;
+ char *oldpw = NULL;
-static struct hash_t hashes[] = {
- {"none", 4, hash_none, HASHTYPE_NONE},
- {"crypt", 5, hash_crypt, HASHTYPE_CRYPT},
- {"md5", 3, hash_md5, HASHTYPE_MD5},
- {"sha", 3, hash_sha1, HASHTYPE_SHA1},
- {NULL, 0, NULL, HASHTYPE_NONE}
-};
+ int want_bindpw = 0;
+ int want_newpw = 0;
+ int want_oldpw = 0;
-int
-modify_dn(LDAP *ld, char *targetdn, char *newpw)
-{
- int ret = 0;
- char hashed_pw[128] = {'\0'};
- char buf[128] = {'\0'};
- char *strvals[2] = {buf, NULL};
- LDAPMod mod, *mods[2] = {&mod, NULL};
-
- if (!ld || !targetdn || !newpw)
- return(1);
-
- /* hash password */
- hashes[hashtype].func(newpw, hashed_pw);
- if (hashtype)
- sprintf(buf, "{%s}%s", hashes[hashtype].name, hashed_pw);
- else
- sprintf(buf, "%s", hashed_pw);
-
- if (verbose > 0)
- {
- printf("%s", targetdn);
- if (verbose > 1)
- {
- printf(":%s", buf);
- if (verbose > 2)
- printf(":%s", newpw);
- }
- printf("\n");
- }
-
- mod.mod_vals.modv_strvals = strvals;
- mod.mod_type = pwattr;
- mod.mod_op = LDAP_MOD_REPLACE;
+ int noupdates = 0;
+ int i;
+ int ldapport = 0;
+ int debug = 0;
+ int version = -1;
+ LDAP *ld;
+ struct berval *bv = NULL;
- if (!noupdates && (ret = ldap_modify_s(ld, targetdn, mods)) != LDAP_SUCCESS)
- ldap_perror(ld, "ldap_modify_s");
- return(ret);
-}
-
-void
-usage(char *s)
-{
- fprintf(stderr, "usage: %s [options] [filter]\n", s);
- fprintf(stderr, " -a attrib password attribute (default: userPassword)\n");
- fprintf(stderr, " -b basedn basedn to perform searches\n");
- fprintf(stderr, " -c hash hash type: none, crypt, md5, sha (default: crypt)\n");
- fprintf(stderr, " -D binddn bind dn\n");
- fprintf(stderr, " -d level debugging level\n");
- fprintf(stderr, " -h host ldap server (default: localhost)\n");
- fprintf(stderr, " -l time time limit\n");
- fprintf(stderr, " -n make no modifications\n");
- fprintf(stderr, " -p port ldap port\n");
- fprintf(stderr, " -s scope search scope: base, one, sub (default: sub)\n");
- fprintf(stderr, " -t targetdn dn to change password\n");
- fprintf(stderr, " -W newpass new password\n");
- fprintf(stderr, " -w passwd bind password (for simple authentication)\n");
- fprintf(stderr, " -v verbose\n");
- fprintf(stderr, " -z size size limit\n");
- exit(1);
-}
+ char *retoid;
+ struct berval *retdata;
-int
-main(int argc, char *argv[])
-{
- char *newpw = NULL;
- int i, j;
- int sizelimit = LDAP_NO_LIMIT;
- int timelimit = LDAP_NO_LIMIT;
- LDAP *ld;
+ if (argc == 1)
+ usage (argv[0]);
- while ((i = getopt(argc, argv, "D:W:a:b:c:d:h:l:np:s:t:vw:z:")) != EOF)
+ while( (i = getopt( argc, argv,
+ "Aa:D:d:h:np:Ss:vWw:" )) != EOF )
{
- switch(i)
- {
- case 'D': /* bind distinguished name */
- binddn = strdup(optarg);
+ switch (i) {
+ case 'A': /* prompt for oldr password */
+ want_oldpw++;
break;
+ case 'a': /* old password (secret) */
+ oldpw = strdup (optarg);
- case 'W': /* new password */
- if (optarg)
- newpw = strdup(optarg);
- break;
-
- case 'a': /* password attribute */
- if (optarg)
- pwattr = strdup(optarg);
- break;
-
- case 'b': /* base search dn */
- if (optarg)
- base = strdup(optarg);
- break;
-
- case 'c': /* hashes */
- for (j = 0; hashes[j].name; j++)
{
- if (!strncasecmp(optarg, hashes[j].name, hashes[j].namesz))
- {
- hashtype = hashes[j].type;
- break;
- }
- }
+ char* p;
- if (!hashes[j].name)
- {
- fprintf(stderr, "hash type: %s is unknown\n", optarg);
- usage(argv[0]);
+ for( p = optarg; *p == '\0'; p++ ) {
+ *p = '*';
+ }
}
break;
-
- case 'd': /* debugging option */
-#ifdef LDAP_DEBUG
- ldap_debug = lber_debug = atoi(optarg); /* */
-#else
- fprintf(stderr, "compile with -DLDAP_DEBUG for debugging\n");
-#endif
+ case 'D': /* bind distinguished name */
+ binddn = strdup (optarg);
break;
- case 'h': /* ldap host */
- if (optarg)
- ldaphost = strdup(optarg);
+ case 'd': /* debugging option */
+ debug |= atoi (optarg);
break;
- case 'l': /* time limit */
- if (optarg)
- timelimit = strtol(optarg, NULL, 10);
+ case 'h': /* ldap host */
+ ldaphost = strdup (optarg);
break;
- case 'n': /* don't update entry(s) */
+ case 'n': /* don't update entry(s) */
noupdates++;
break;
- case 'p': /* ldap port */
- if (optarg)
- ldapport = strtol(optarg, NULL, 10);
+ case 'p': /* ldap port */
+ ldapport = strtol( optarg, NULL, 10 );
break;
- case 's': /* scope */
- if (strncasecmp(optarg, "base", 4) == 0)
- scope = LDAP_SCOPE_BASE;
- else if (strncasecmp(optarg, "one", 3) == 0)
- scope = LDAP_SCOPE_ONELEVEL;
- else if (strncasecmp(optarg, "sub", 3) == 0)
- scope = LDAP_SCOPE_SUBTREE;
- else {
- fprintf(stderr, "scope should be base, one, or sub\n" );
- usage(argv[0]);
- }
+ case 'S': /* prompt for user password */
+ want_newpw++;
break;
- case 't': /* password type */
- if (optarg)
- targetdn = strdup(optarg);
- else
- targetdn = binddn;
+ case 's': /* new password (secret) */
+ newpw = strdup (optarg);
+
+ {
+ char* p;
+
+ for( p = optarg; *p == '\0'; p++ ) {
+ *p = '*';
+ }
+ }
break;
- case 'v': /* verbose */
+ case 'v': /* verbose */
verbose++;
break;
- case 'w': /* bind password */
- bindpw = strdup(optarg);
+ case 'W': /* prompt for bind password */
+ want_bindpw++;
break;
- case 'z': /* time limit */
- if (optarg)
- sizelimit = strtol(optarg, NULL, 10);
+ case 'w': /* bind password */
+ bindpw = strdup (optarg);
+
+ {
+ char* p;
+
+ for( p = optarg; *p == '\0'; p++ ) {
+ *p = '*';
+ }
+ }
break;
+
default:
- usage(argv[0]);
+ usage (argv[0]);
}
}
- if (!(argc - optind < 1))
- filtpattern = strdup(argv[optind]);
+ if( argc - optind != 1 ) {
+ usage( argv[0] );
+ }
- if (!filtpattern && !targetdn)
- {
- fprintf(stderr, "No filter or targetdn(-t)\n");
- usage(argv[0]);
+ dn = strdup( argv[optind] );
+
+ if( want_oldpw && oldpw == NULL ) {
+ /* prompt for old password */
+ char *ckoldpw;
+ newpw = strdup(getpass("Old password: "));
+ ckoldpw = getpass("Re-enter old password: ");
+
+ if( strncmp( oldpw, ckoldpw, strlen(oldpw) )) {
+ fprintf( stderr, "passwords do not match\n" );
+ return EXIT_FAILURE;
+ }
}
- if (!newpw)
- {
- fprintf(stderr, "Need a password (-W)\n");
- usage(argv[0]);
+ if( want_newpw && newpw == NULL ) {
+ /* prompt for new password */
+ char *cknewpw;
+ newpw = strdup(getpass("New password: "));
+ cknewpw = getpass("Re-enter new password: ");
+
+ if( strncmp( newpw, cknewpw, strlen(newpw) )) {
+ fprintf( stderr, "passwords do not match\n" );
+ return EXIT_FAILURE;
+ }
}
+ if( binddn == NULL && dn != NULL ) {
+ binddn = dn;
+ dn = NULL;
+
+ if( bindpw == NULL ) bindpw = oldpw;
+ }
+
+ if (want_bindpw && bindpw == NULL ) {
+ /* handle bind password */
+ fprintf( stderr, "Bind DN: %s\n", binddn );
+ bindpw = strdup( getpass("Enter bind password: "));
+ }
+
+ if ( debug ) {
+ if( ber_set_option( NULL, LBER_OPT_DEBUG_LEVEL, &debug ) != LBER_OPT_SUCCESS ) {
+ fprintf( stderr, "Could not set LBER_OPT_DEBUG_LEVEL %d\n", debug );
+ }
+ if( ldap_set_option( NULL, LDAP_OPT_DEBUG_LEVEL, &debug ) != LDAP_OPT_SUCCESS ) {
+ fprintf( stderr, "Could not set LDAP_OPT_DEBUG_LEVEL %d\n", debug );
+ }
+ }
+
+#ifdef SIGPIPE
+ (void) SIGNAL( SIGPIPE, SIG_IGN );
+#endif
+
/* connect to server */
- if ((ld = ldap_open(ldaphost, ldapport)) == NULL)
- {
- perror(ldaphost);
- return(1);
+ if ((ld = ldap_init( ldaphost, ldapport )) == NULL) {
+ perror("ldap_init");
+ return EXIT_FAILURE;
}
- /* set options */
- ldap_set_option(ld, LDAP_OPT_TIMELIMIT, (void *)&timelimit);
- ldap_set_option(ld, LDAP_OPT_SIZELIMIT, (void *)&sizelimit);
+ /* don't chase referrals */
+ ldap_set_option( ld, LDAP_OPT_REFERRALS, LDAP_OPT_OFF );
- /* authenticate to server */
- if (ldap_bind_s(ld, binddn, bindpw, LDAP_AUTH_SIMPLE) != LDAP_SUCCESS)
- {
- ldap_perror(ld, "ldap_bind");
- return(1);
+ version = 3;
+ rc = ldap_set_option( ld, LDAP_OPT_PROTOCOL_VERSION, &version );
+
+ if(rc != LDAP_OPT_SUCCESS ) {
+ fprintf( stderr, "Could not set LDAP_OPT_PROTOCOL_VERSION %d\n", version );
}
- if (filtpattern)
- {
- char filter[BUFSIZ];
- LDAPMessage *result = NULL, *e = NULL;
- char *attrs[] = {"dn", NULL};
-
- /* search */
- sprintf(filter, "%s", filtpattern);
- i = ldap_search_s(ld, base, scope, filter, attrs, 1, &result);
- if (i != LDAP_SUCCESS && i != LDAP_TIMELIMIT_EXCEEDED && i != LDAP_SIZELIMIT_EXCEEDED)
- {
- ldap_perror(ld, "ldap_search_s");
- return(1);
+ rc = ldap_bind_s( ld, binddn, bindpw, LDAP_AUTH_SIMPLE );
+
+ if ( rc != LDAP_SUCCESS ) {
+ ldap_perror( ld, "ldap_bind" );
+ ldap_unbind( ld );
+ return EXIT_FAILURE;
+ }
+
+ if( dn != NULL || oldpw != NULL || newpw != NULL ) {
+ /* build change password control */
+ BerElement *ber = ber_alloc_t( LBER_USE_DER );
+
+ if( ber == NULL ) {
+ perror( "ber_alloc_t" );
+ ldap_unbind( ld );
+ return EXIT_FAILURE;
}
- for (e = ldap_first_entry(ld, result); e; e = ldap_next_entry(ld, e))
- {
- char *dn = ldap_get_dn(ld, e);
- if (dn)
- {
- modify_dn(ld, dn, newpw);
- free(dn);
- }
+ ber_printf( ber, "{" /*}*/ );
+
+ if( dn != NULL ) {
+ ber_printf( ber, "ts",
+ LDAP_TAG_EXOP_X_MODIFY_PASSWD_ID, dn );
+ free(dn);
+ }
+
+ if( oldpw != NULL ) {
+ ber_printf( ber, "ts",
+ LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW, oldpw );
+ free(oldpw);
+ }
+
+ if( newpw != NULL ) {
+ ber_printf( ber, "ts",
+ LDAP_TAG_EXOP_X_MODIFY_PASSWD_NEW, newpw );
+ free(newpw);
}
+
+ ber_printf( ber, /*{*/ "}" );
+
+ rc = ber_flatten( ber, &bv );
+
+ if( rc < 0 ) {
+ perror( "ber_flatten" );
+ ldap_unbind( ld );
+ return EXIT_FAILURE;
+ }
+
+ ber_free( ber, 1 );
}
- if (targetdn)
- modify_dn(ld, targetdn, newpw);
+ rc = ldap_extended_operation_s( ld,
+ LDAP_EXOP_X_MODIFY_PASSWD, bv,
+ NULL, NULL,
+ &retoid, &retdata );
+
+ ber_bvfree( bv );
+
+ if( retdata != NULL ) {
+ ber_tag_t tag;
+ char *s;
+ BerElement *ber = ber_init( retdata );
+
+ if( ber == NULL ) {
+ perror( "ber_init" );
+ ldap_unbind( ld );
+ return EXIT_FAILURE;
+ }
+
+ /* we should check the tag */
+ tag = ber_scanf( ber, "{a}", &s);
+
+ if( tag == LBER_ERROR ) {
+ perror( "ber_scanf" );
+ } else {
+ printf("New password: %s\n", s);
+ free( s );
+ }
+
+ ber_free( ber, 1 );
+ }
+
+ if ( rc != LDAP_SUCCESS ) {
+ ldap_perror( ld, "ldap_extended_operation" );
+ ldap_unbind( ld );
+ return EXIT_FAILURE;
+ }
+
+ ldap_memfree( retoid );
+ ber_bvfree( retdata );
/* disconnect from server */
- ldap_unbind(ld);
- return(0);
+ ldap_unbind (ld);
+
+ return ( EXIT_SUCCESS );
}
projects / openldap / blobdiff