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    /*	$OpenBSD: tokeninit.c,v 1.13 2017/05/03 09:51:39 mestre Exp $	*/  | 
    
    
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    /*-  | 
    
    
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     * Copyright (c) 1995 Migration Associates Corp. All Rights Reserved  | 
    
    
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     *  | 
    
    
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     * Redistribution and use in source and binary forms, with or without  | 
    
    
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     * modification, are permitted provided that the following conditions  | 
    
    
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     * are met:  | 
    
    
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     * 1. Redistributions of source code must retain the above copyright  | 
    
    
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     *    notice, this list of conditions and the following disclaimer.  | 
    
    
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     * 2. Redistributions in binary form must reproduce the above copyright  | 
    
    
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     *    notice, this list of conditions and the following disclaimer in the  | 
    
    
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     *    documentation and/or other materials provided with the distribution.  | 
    
    
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     * 3. All advertising materials mentioning features or use of this software  | 
    
    
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     *    must display the following acknowledgement:  | 
    
    
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     *      This product includes software developed by Berkeley Software Design,  | 
    
    
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     *      Inc.  | 
    
    
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     * 4. The name of Berkeley Software Design, Inc.  may not be used to endorse  | 
    
    
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     *    or promote products derived from this software without specific prior  | 
    
    
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     *    written permission.  | 
    
    
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     *  | 
    
    
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     * THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN, INC. ``AS IS'' AND  | 
    
    
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     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  | 
    
    
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     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  | 
    
    
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     * ARE DISCLAIMED.  IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN, INC. BE LIABLE  | 
    
    
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     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  | 
    
    
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     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  | 
    
    
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     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  | 
    
    
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     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  | 
    
    
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     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY  | 
    
    
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     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF  | 
    
    
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     * SUCH DAMAGE.  | 
    
    
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     *  | 
    
    
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     *	BSDI $From: tokeninit.c,v 1.1 1996/08/26 20:27:28 prb Exp  | 
    
    
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     */  | 
    
    
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    #include <sys/signal.h>  | 
    
    
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    #include <sys/resource.h>  | 
    
    
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    #include <sys/time.h>  | 
    
    
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    #include <err.h>  | 
    
    
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    #include <stdio.h>  | 
    
    
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    #include <syslog.h>  | 
    
    
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    #include <stdlib.h>  | 
    
    
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    #include <unistd.h>  | 
    
    
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    #include <limits.h>  | 
    
    
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    #include <string.h>  | 
    
    
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    #include <readpassphrase.h>  | 
    
    
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    #include "token.h"  | 
    
    
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    #include "tokendb.h"  | 
    
    
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    static	char	*prompt_for_secret(int, char*);  | 
    
    
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    static	int	parse_secret(int, char *, unsigned char *);  | 
    
    
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    int  | 
    
    
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    main(int argc, char **argv)  | 
    
    
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    { | 
    
    
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    	unsigned int cmd = TOKEN_INITUSER;  | 
    
    
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    	int	c;  | 
    
    
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    	int	errors = 0;  | 
    
    
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    	int	verbose = 0;  | 
    
    
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    	int	hexformat = 0;  | 
    
    
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    	int	modes = 0;  | 
    
    
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    	char	seed[80];  | 
    
    
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    	unsigned char	secret[9];  | 
    
    
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    	char	*optstr;  | 
    
    
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    	char	*p = NULL;  | 
    
    
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    	struct rlimit cds;  | 
    
    
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    	(void)signal(SIGQUIT, SIG_IGN);  | 
    
    
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    	(void)signal(SIGINT, SIG_IGN);  | 
    
    
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    	(void)setpriority(PRIO_PROCESS, 0, 0);  | 
    
    
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    	openlog(NULL, LOG_ODELAY, LOG_AUTH);  | 
    
    
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    	/*  | 
    
    
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    	 * Make sure we never dump core as we might have a  | 
    
    
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    	 * valid user shared-secret in memory.  | 
    
    
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    	 */  | 
    
    
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    	cds.rlim_cur = 0;  | 
    
    
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    	cds.rlim_max = 0;  | 
    
    
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    	if (setrlimit(RLIMIT_CORE, &cds) < 0)  | 
    
    
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    		syslog(LOG_ERR, "couldn't set core dump size to 0: %m");  | 
    
    
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    	if (pledge("stdio rpath wpath cpath fattr flock getpw tty", NULL) == -1) | 
    
    
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    		err(1, "pledge");  | 
    
    
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    	if (token_init(argv[0]) < 0) { | 
    
    
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    		syslog(LOG_ERR, "unknown token type");  | 
    
    
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    		errx(1, "unknown token type");  | 
    
    
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    	}  | 
    
    
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    	if (tt->options & TOKEN_HEXINIT)  | 
    
    
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    		optstr = "fhm:sv";  | 
    
    
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    	else  | 
    
    
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    		optstr = "fm:sv";  | 
    
    
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    	while ((c = getopt(argc, argv, optstr)) != -1)  | 
    
    
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    		switch (c) { | 
    
    
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    		case 'f':	/* force initialize existing user account */  | 
    
    
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    			cmd |= TOKEN_FORCEINIT;  | 
    
    
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    			break;  | 
    
    
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    		case 'h':  | 
    
    
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    			hexformat = 1;  | 
    
    
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    			break;  | 
    
    
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    		case 'm':  | 
    
    
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    			if ((c = token_mode(optarg)))  | 
    
    
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    				modes |= c;  | 
    
    
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    			else  | 
    
    
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    				errx(1, "unknown mode");  | 
    
    
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    			break;  | 
    
    
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    		case 's':	/* generate seed during initialization */  | 
    
    
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    			cmd |= TOKEN_GENSECRET;  | 
    
    
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    			break;  | 
    
    
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    		case 'v':	/* verbose */  | 
    
    
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    			verbose = 1;  | 
    
    
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    			break;  | 
    
    
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    		default:  | 
    
    
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    			fprintf(stderr,  | 
    
    
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    			   "usage: %sinit [-f%ssv] [-m mode] user ...\n",  | 
    
    
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    			    tt->name, (tt->options & TOKEN_HEXINIT) ? "h" : "");  | 
    
    
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    			exit(1);  | 
    
    
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    		}  | 
    
    
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    	if ((modes & ~TOKEN_RIM) == 0)  | 
    
    
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    		modes |= tt->defmode;  | 
    
    
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    	argc -= optind;  | 
    
    
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    	argv = &argv[optind];  | 
    
    
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    	while (argc--) { | 
    
    
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    		if (verbose) { | 
    
    
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    			printf("Adding %s to %s database\n", *argv, tt->proper); | 
    
    
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    			fflush(stdout);  | 
    
    
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    		}  | 
    
    
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    		if (!(cmd & TOKEN_GENSECRET)) { | 
    
    
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    			p = prompt_for_secret(hexformat, *argv);  | 
    
    
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    			if (!readpassphrase(p, seed, sizeof(seed), RPP_ECHO_ON) ||  | 
    
    
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    			    seed[0] == '\0') { | 
    
    
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    				fprintf(stderr,  | 
    
    
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    				    "%sinit: No seed supplied for token.\n",  | 
    
    
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    				    tt->name);  | 
    
    
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    				exit(1);  | 
    
    
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    			}  | 
    
    
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    			explicit_bzero(secret, sizeof(secret));  | 
    
    
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    			if (parse_secret(hexformat, seed, secret)) { | 
    
    
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    				fprintf(stderr,  | 
    
    
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    				    "%sinit: Invalid secret entered.\n",  | 
    
    
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    				    tt->name);  | 
    
    
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    				exit(1);  | 
    
    
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    			}  | 
    
    
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    		}  | 
    
    
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    		switch (tokenuserinit(cmd, *argv, secret, modes)) { | 
    
    
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    		case 0:  | 
    
    
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    			syslog(LOG_INFO, "User %s initialized in %s database",  | 
    
    
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    			    *argv, tt->proper);  | 
    
    
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    			break;  | 
    
    
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    		case 1:  | 
    
    
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    			warnx("%s already exists in %s database!", | 
    
    
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    			    *argv, tt->proper);  | 
    
    
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    			syslog(LOG_INFO, "%s already exists in %s database",  | 
    
    
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    			    *argv, tt->proper);  | 
    
    
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    			errors++;  | 
    
    
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    			break;  | 
    
    
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    		case -1:  | 
    
    
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    			warnx("Error initializing user %s in %s database.", | 
    
    
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    			    *argv, tt->proper);  | 
    
    
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    			syslog(LOG_INFO,  | 
    
    
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    			    "Error initializing user %s in %s database: %m",  | 
    
    
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    			    *argv, tt->proper);  | 
    
    
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    			errors++;  | 
    
    
    179  | 
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    		}  | 
    
    
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    		argv++;  | 
    
    
    181  | 
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    	}  | 
    
    
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    	exit(errors);  | 
    
    
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    }  | 
    
    
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    /*  | 
    
    
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     * Parse the 8 octal numbers or a 16 digit hex string into a token secret  | 
    
    
    187  | 
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     */  | 
    
    
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    static	int  | 
    
    
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    parse_secret(int hexformat, char *seed, unsigned char *secret)  | 
    
    
    191  | 
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    { | 
    
    
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    	int i;  | 
    
    
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    	unsigned int tmp[8];  | 
    
    
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    	if (hexformat) { | 
    
    
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    		if ((i = sscanf(seed, "%02x %02x %02x %02x %02x %02x %02x %02x",  | 
    
    
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    		    &tmp[0], &tmp[1], &tmp[2], &tmp[3],  | 
    
    
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    		    &tmp[4], &tmp[5], &tmp[6], &tmp[7])) != 8)  | 
    
    
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    			return (-1);  | 
    
    
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    	} else { | 
    
    
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    		if ((i = sscanf(seed, "%o %o %o %o %o %o %o %o",  | 
    
    
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    		    &tmp[0], &tmp[1], &tmp[2], &tmp[3],  | 
    
    
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    		    &tmp[4], &tmp[5], &tmp[6], &tmp[7])) != 8)  | 
    
    
    204  | 
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    			return (-1);  | 
    
    
    205  | 
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    	}  | 
    
    
    206  | 
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    	for (i=0; i < 8; i++)  | 
    
    
    207  | 
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    		secret[i] = tmp[i] & 0xff;  | 
    
    
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    209  | 
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    	return (0);  | 
    
    
    210  | 
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    }  | 
    
    
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    212  | 
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    /*  | 
    
    
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     * Prompt user for seed for token  | 
    
    
    214  | 
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     */  | 
    
    
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    static	char *  | 
    
    
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    prompt_for_secret(int hexformat, char* username)  | 
    
    
    218  | 
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    { | 
    
    
    219  | 
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    	static char prompt[1024];  | 
    
    
    220  | 
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    	if (hexformat)  | 
    
    
    221  | 
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    		snprintf(prompt, sizeof prompt,  | 
    
    
    222  | 
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    		    "Enter a 16 digit hexadecimal number "  | 
    
    
    223  | 
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    		    "as a seed for %s\'s token:\n", username);  | 
    
    
    224  | 
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    	else  | 
    
    
    225  | 
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    		snprintf(prompt, sizeof prompt,  | 
    
    
    226  | 
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    		    "Enter a series of 8 3-digit octal numbers "  | 
    
    
    227  | 
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    		    "as a seed for %s\'s token:\n", username);  | 
    
    
    228  | 
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    	return prompt;  | 
    
    
    229  | 
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    }  |