92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
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* See /doc/license/gpl-2.0.txt for details about the licensing.
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*/
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/* Portions of this file are Copyright (C) 9front's team.
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* See /doc/license/9front-mit for details about the licensing.
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* See http://git.9front.org/plan9front/plan9front/HEAD/info.html for a list of authors.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <chartypes.h>
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#include <bio.h>
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#include <authsrv.h>
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#include "authcmdlib.h"
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/*
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* get the date in the format yyyymmdd
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*/
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Tm
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getdate(char *d)
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{
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Tm date;
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int i;
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memset(&date, 0, sizeof(date));
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for(i = 0; i < 8; i++)
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if(!isdigit(d[i]))
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return date;
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date.year = (d[0]-'0')*1000 + (d[1]-'0')*100 + (d[2]-'0')*10 + d[3]-'0';
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date.year -= 1900;
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d += 4;
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date.mon = (d[0]-'0')*10 + d[1]-'0' - 1;
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d += 2;
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date.mday = (d[0]-'0')*10 + d[1]-'0';
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return date;
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}
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int32_t
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getexpiration(char *db, char *u)
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{
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char buf[Maxpath];
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char prompt[128];
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char cdate[32];
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Tm date;
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uint32_t secs, now;
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int n, fd;
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/* read current expiration (if any) */
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snprint(buf, sizeof buf, "%s/%s/expire", db, u);
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fd = sys_open(buf, OREAD);
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buf[0] = 0;
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if(fd >= 0){
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n = jehanne_read(fd, buf, sizeof(buf)-1);
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if(n > 0)
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buf[n-1] = 0;
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sys_close(fd);
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}
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if(buf[0]){
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if(strncmp(buf, "never", 5)){
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secs = atoi(buf);
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memmove(&date, localtime(secs), sizeof(date));
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sprint(buf, "%4.4d%2.2d%2.2d", date.year+1900, date.mon+1, date.mday);
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} else
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buf[5] = 0;
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} else
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strcpy(buf, "never");
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sprint(prompt, "Expiration date (YYYYMMDD or never)[return = %s]: ", buf);
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now = time(0);
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for(;;){
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readln(prompt, cdate, sizeof cdate, 0);
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if(*cdate == 0)
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return -1;
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if(strcmp(cdate, "never") == 0)
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return 0;
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date = getdate(cdate);
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secs = tm2sec(&date);
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if(secs > now && secs < now + 2*365*24*60*60)
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break;
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print("expiration time must fall between now and 2 years from now\n");
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}
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return secs;
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}
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