1 /* 2 * Copyright (c) 2013 Todd C. Miller <Todd.Miller@courtesan.com> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <sys/types.h> 18 #include <db.h> 19 #include <stdio.h> 20 #include <stdlib.h> 21 #include <string.h> 22 #include <time.h> 23 24 #include "grey.h" 25 26 /* Fill in struct gdata from DBT, converting from obsolete format as needed. */ 27 int 28 gdcopyin(const void *v, struct gdata *gd) 29 { 30 const DBT *dbd = v; 31 int rc = 0; 32 33 if (dbd->size == sizeof(struct gdata)) { 34 /* Current grey data format. */ 35 memcpy(gd, dbd->data, sizeof(struct gdata)); 36 } else if (dbd->size == sizeof(struct ogdata)) { 37 /* Backwards compat for obsolete grey data format. */ 38 struct ogdata ogd; 39 memcpy(&ogd, dbd->data, sizeof(struct ogdata)); 40 gd->first = ogd.first; 41 gd->pass = ogd.pass; 42 gd->expire = ogd.expire; 43 gd->bcount = ogd.bcount; 44 gd->pcount = ogd.pcount; 45 } else { 46 /* Unsupported grey data format. */ 47 rc = -1; 48 } 49 return (rc); 50 } 51