| 1 | /* |
| 2 | ** Copyright 1998 - 2007 Double Precision, Inc. |
| 3 | ** See COPYING for distribution information. |
| 4 | */ |
| 5 | |
| 6 | #if HAVE_CONFIG_H |
| 7 | #include "config.h" |
| 8 | #endif |
| 9 | #include "dbobj.h" |
| 10 | #include "userdb.h" |
| 11 | #include <string.h> |
| 12 | #include <stdlib.h> |
| 13 | #include <stdio.h> |
| 14 | #include <errno.h> |
| 15 | |
| 16 | static const char rcsid[]="$Id: userdb2.c,v 1.6 2007/04/14 03:20:55 mrsam Exp $"; |
| 17 | |
| 18 | extern int userdb_debug_level; |
| 19 | |
| 20 | char *userdbshadow(const char *sh, const char *u) |
| 21 | { |
| 22 | struct dbobj d; |
| 23 | char *p,*q; |
| 24 | size_t l; |
| 25 | |
| 26 | dbobj_init(&d); |
| 27 | |
| 28 | if (dbobj_open(&d, sh, "R")) |
| 29 | { |
| 30 | if (userdb_debug_level) |
| 31 | fprintf(stderr, |
| 32 | "DEBUG: userdbshadow: unable to open %s\n", sh); |
| 33 | return (0); |
| 34 | } |
| 35 | |
| 36 | q=dbobj_fetch(&d, u, strlen(u), &l, ""); |
| 37 | dbobj_close(&d); |
| 38 | if (!q) |
| 39 | { |
| 40 | if (userdb_debug_level) |
| 41 | fprintf(stderr, |
| 42 | "DEBUG: userdbshadow: entry not found\n"); |
| 43 | errno=ENOENT; |
| 44 | return(0); |
| 45 | } |
| 46 | |
| 47 | p=malloc(l+1); |
| 48 | if (!p) |
| 49 | { |
| 50 | free(q); |
| 51 | return (0); |
| 52 | } |
| 53 | |
| 54 | if (l) memcpy(p, q, l); |
| 55 | free(q); |
| 56 | p[l]=0; |
| 57 | return (p); |
| 58 | } |