/* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1998-2006 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 * . */ /* ACKNOWLEDGEMENTS: * This work was initially developed by Kurt Zeilenga for inclusion * in OpenLDAP Software. */ #include "portable.h" #include #include #include #include #include #include #include #include #include #include #include #include #include "ldap_defaults.h" static int verbose = 0; 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" " -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 ); } int slappasswd( int argc, char *argv[] ) { #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; while( (i = getopt( argc, argv, "c:d:gh:ns: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 = strdup( optarg ); } break; case 'n': newline = ""; 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 = 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 ); } if( pwfile != NULL ) { if( lutil_get_filed_password( pwfile, &passwd )) { return EXIT_FAILURE; } } else if ( BER_BVISEMPTY( &passwd )) { if( newpw == NULL ) { /* prompt for new password */ char *cknewpw; newpw = strdup(getpassphrase("New password: ")); cknewpw = getpassphrase("Re-enter new password: "); if( strcmp( newpw, cknewpw )) { fprintf( stderr, "Password values do not match\n" ); return EXIT_FAILURE; } } 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 : "" ); return EXIT_FAILURE; } if( lutil_passwd( &hash, &passwd, NULL, &text ) ) { fprintf( stderr, "Password verification failed. %s\n", text ? text : "" ); return EXIT_FAILURE; } print_pw:; printf( "%s%s" , hash.bv_val, newline ); return EXIT_SUCCESS; }