summaryrefslogtreecommitdiffstats
path: root/servers/slapd/slappasswd.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--servers/slapd/slappasswd.c284
1 files changed, 284 insertions, 0 deletions
diff --git a/servers/slapd/slappasswd.c b/servers/slapd/slappasswd.c
new file mode 100644
index 0000000..f58a219
--- /dev/null
+++ b/servers/slapd/slappasswd.c
@@ -0,0 +1,284 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Kurt Zeilenga for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#include <stdio.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 <ldap.h>
+#include <lber_pvt.h>
+#include <lutil.h>
+#include <lutil_sha1.h>
+
+#include "ldap_defaults.h"
+#include "slap.h"
+
+static int verbose = 0;
+static char *modulepath = NULL;
+static char *moduleload = NULL;
+
+static void
+usage(const char *s)
+{
+ fprintf(stderr,
+ "Usage: %s [options]\n"
+ " -c format\tcrypt(3) salt format\n"
+ " -g\t\tgenerate random password\n"
+ " -h hash\tpassword scheme\n"
+ " -n\t\tomit trailing newline\n"
+ " -o <opt>[=val] specify an option with a(n optional) value\n"
+ " \tmodule-path=<pathspec>\n"
+ " \tmodule-load=<filename>\n"
+ " -s secret\tnew password\n"
+ " -u\t\tgenerate RFC2307 values (default)\n"
+ " -v\t\tincrease verbosity\n"
+ " -T file\tread file for new password\n"
+ , s );
+
+ exit( EXIT_FAILURE );
+}
+
+static int
+parse_slappasswdopt( void )
+{
+ size_t len = 0;
+ char *p;
+
+ p = strchr( optarg, '=' );
+ if ( p != NULL ) {
+ len = p - optarg;
+ p++;
+ }
+
+ if ( strncasecmp( optarg, "module-path", len ) == 0 ) {
+ if ( modulepath )
+ ch_free( modulepath );
+ modulepath = ch_strdup( p );
+
+ } else if ( strncasecmp( optarg, "module-load", len ) == 0 ) {
+ if ( moduleload )
+ ch_free( moduleload );
+ moduleload = ch_strdup( p );
+
+ } else {
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+slappasswd( int argc, char *argv[] )
+{
+ int rc = EXIT_SUCCESS;
+#ifdef LUTIL_SHA1_BYTES
+ char *default_scheme = "{SSHA}";
+#else
+ char *default_scheme = "{SMD5}";
+#endif
+ char *scheme = default_scheme;
+
+ char *newpw = NULL;
+ char *pwfile = NULL;
+ const char *text;
+ const char *progname = "slappasswd";
+
+ int i;
+ char *newline = "\n";
+ struct berval passwd = BER_BVNULL;
+ struct berval hash;
+
+#ifdef LDAP_DEBUG
+ /* tools default to "none", so that at least LDAP_DEBUG_ANY
+ * messages show up; use -d 0 to reset */
+ slap_debug = LDAP_DEBUG_NONE;
+#endif
+ ldap_syslog = 0;
+
+ while( (i = getopt( argc, argv,
+ "c:d:gh:no:s:T:vu" )) != EOF )
+ {
+ switch (i) {
+ case 'c': /* crypt salt format */
+ scheme = "{CRYPT}";
+ lutil_salt_format( optarg );
+ break;
+
+ case 'g': /* new password (generate) */
+ if ( pwfile != NULL ) {
+ fprintf( stderr, "Option -g incompatible with -T\n" );
+ return EXIT_FAILURE;
+
+ } else if ( newpw != NULL ) {
+ fprintf( stderr, "New password already provided\n" );
+ return EXIT_FAILURE;
+
+ } else if ( lutil_passwd_generate( &passwd, 8 )) {
+ fprintf( stderr, "Password generation failed\n" );
+ return EXIT_FAILURE;
+ }
+ break;
+
+ case 'h': /* scheme */
+ if ( scheme != default_scheme ) {
+ fprintf( stderr, "Scheme already provided\n" );
+ return EXIT_FAILURE;
+
+ } else {
+ scheme = ch_strdup( optarg );
+ }
+ break;
+
+ case 'n':
+ newline = "";
+ break;
+
+ case 'o':
+ if ( parse_slappasswdopt() ) {
+ usage ( progname );
+ }
+ break;
+
+ case 's': /* new password (secret) */
+ if ( pwfile != NULL ) {
+ fprintf( stderr, "Option -s incompatible with -T\n" );
+ return EXIT_FAILURE;
+
+ } else if ( newpw != NULL ) {
+ fprintf( stderr, "New password already provided\n" );
+ return EXIT_FAILURE;
+
+ } else {
+ char* p;
+ newpw = ch_strdup( optarg );
+
+ for( p = optarg; *p != '\0'; p++ ) {
+ *p = '\0';
+ }
+ }
+ break;
+
+ case 'T': /* password file */
+ if ( pwfile != NULL ) {
+ fprintf( stderr, "Password file already provided\n" );
+ return EXIT_FAILURE;
+
+ } else if ( newpw != NULL ) {
+ fprintf( stderr, "Option -T incompatible with -s/-g\n" );
+ return EXIT_FAILURE;
+
+ }
+ pwfile = optarg;
+ break;
+
+ case 'u': /* RFC2307 userPassword */
+ break;
+
+ case 'v': /* verbose */
+ verbose++;
+ break;
+
+ default:
+ usage ( progname );
+ }
+ }
+
+ if( argc - optind != 0 ) {
+ usage( progname );
+ }
+
+#ifdef SLAPD_MODULES
+ if ( module_init() != 0 ) {
+ fprintf( stderr, "%s: module_init failed\n", progname );
+ return EXIT_FAILURE;
+ }
+
+ if ( modulepath && module_path(modulepath) ) {
+ rc = EXIT_FAILURE;
+ goto destroy;
+ }
+
+ if ( moduleload && module_load(moduleload, 0, NULL) ) {
+ rc = EXIT_FAILURE;
+ goto destroy;
+ }
+#endif
+
+ if( pwfile != NULL ) {
+ if( lutil_get_filed_password( pwfile, &passwd )) {
+ rc = EXIT_FAILURE;
+ goto destroy;
+ }
+ } else if ( BER_BVISEMPTY( &passwd )) {
+ if( newpw == NULL ) {
+ /* prompt for new password */
+ char *cknewpw;
+ newpw = ch_strdup(getpassphrase("New password: "));
+ cknewpw = getpassphrase("Re-enter new password: ");
+
+ if( strcmp( newpw, cknewpw )) {
+ fprintf( stderr, "Password values do not match\n" );
+ rc = EXIT_FAILURE;
+ goto destroy;
+ }
+ }
+
+ passwd.bv_val = newpw;
+ passwd.bv_len = strlen(passwd.bv_val);
+ } else {
+ hash = passwd;
+ goto print_pw;
+ }
+
+ lutil_passwd_hash( &passwd, scheme, &hash, &text );
+ if( hash.bv_val == NULL ) {
+ fprintf( stderr,
+ "Password generation failed for scheme %s: %s\n",
+ scheme, text ? text : "" );
+ rc = EXIT_FAILURE;
+ goto destroy;
+ }
+
+ if( lutil_passwd( &hash, &passwd, NULL, &text ) ) {
+ fprintf( stderr, "Password verification failed. %s\n",
+ text ? text : "" );
+ rc = EXIT_FAILURE;
+ goto destroy;
+ }
+
+print_pw:;
+ printf( "%s%s" , hash.bv_val, newline );
+
+destroy:;
+#ifdef SLAPD_MODULES
+ module_kill();
+#endif
+
+ return rc;
+}