1 1.5 sevan /* $NetBSD: pcnfsd_cache.c,v 1.5 2018/01/23 21:06:25 sevan Exp $ */ 2 1.2 gwr 3 1.1 jtc /* RE_SID: @(%)/usr/dosnfs/shades_SCCS/unix/pcnfsd/v2/src/SCCS/s.pcnfsd_cache.c 1.1 91/09/03 12:45:14 SMI */ 4 1.1 jtc /* 5 1.1 jtc **===================================================================== 6 1.1 jtc ** Copyright (c) 1986,1987,1988,1989,1990,1991 by Sun Microsystems, Inc. 7 1.1 jtc ** @(#)pcnfsd_cache.c 1.1 9/3/91 8 1.1 jtc **===================================================================== 9 1.1 jtc */ 10 1.1 jtc /* 11 1.1 jtc **===================================================================== 12 1.1 jtc ** I N C L U D E F I L E S E C T I O N * 13 1.1 jtc ** * 14 1.1 jtc ** If your port requires different include files, add a suitable * 15 1.1 jtc ** #define in the customization section, and make the inclusion or * 16 1.1 jtc ** exclusion of the files conditional on this. * 17 1.1 jtc **===================================================================== 18 1.1 jtc */ 19 1.1 jtc 20 1.3 lukem #include <errno.h> 21 1.3 lukem #include <pwd.h> 22 1.1 jtc #include <stdio.h> 23 1.1 jtc #include <string.h> 24 1.3 lukem #include <unistd.h> 25 1.1 jtc 26 1.3 lukem #include "common.h" 27 1.3 lukem #include "pcnfsd.h" 28 1.3 lukem #include "extern.h" 29 1.1 jtc 30 1.1 jtc /* 31 1.1 jtc **--------------------------------------------------------------------- 32 1.1 jtc ** Misc. variable definitions 33 1.1 jtc **--------------------------------------------------------------------- 34 1.1 jtc */ 35 1.1 jtc 36 1.1 jtc #ifdef USER_CACHE 37 1.3 lukem #define CACHE_SIZE 16 /* keep it small, as linear searches are done */ 38 1.3 lukem struct cache { 39 1.3 lukem int cuid; 40 1.3 lukem int cgid; 41 1.3 lukem char cpw[32]; 42 1.3 lukem char cuname[10]; /* keep this even for machines with alignment 43 1.3 lukem * problems */ 44 1.3 lukem } User_cache[CACHE_SIZE]; 45 1.1 jtc 46 1.1 jtc 47 1.1 jtc /* 48 1.1 jtc **--------------------------------------------------------------------- 49 1.3 lukem ** User cache support procedures 50 1.1 jtc **--------------------------------------------------------------------- 51 1.1 jtc */ 52 1.1 jtc 53 1.1 jtc 54 1.1 jtc int 55 1.5 sevan check_cache(char *name, char *pw, int *p_uid, int *p_gid) 56 1.1 jtc { 57 1.3 lukem int i; 58 1.3 lukem int c1, c2; 59 1.1 jtc 60 1.1 jtc for (i = 0; i < CACHE_SIZE; i++) { 61 1.1 jtc if (!strcmp(User_cache[i].cuname, name)) { 62 1.3 lukem c1 = strlen(pw); 63 1.3 lukem c2 = strlen(User_cache[i].cpw); 64 1.3 lukem if ((!c1 && !c2) || 65 1.3 lukem !(strcmp(User_cache[i].cpw, 66 1.3 lukem crypt(pw, User_cache[i].cpw)))) { 67 1.3 lukem *p_uid = User_cache[i].cuid; 68 1.3 lukem *p_gid = User_cache[i].cgid; 69 1.3 lukem return (1); 70 1.3 lukem } 71 1.3 lukem User_cache[i].cuname[0] = '\0'; /* nuke entry */ 72 1.3 lukem return (0); 73 1.3 lukem } 74 1.1 jtc } 75 1.1 jtc return (0); 76 1.1 jtc } 77 1.1 jtc 78 1.1 jtc void 79 1.5 sevan add_cache_entry(struct passwd *p) 80 1.1 jtc { 81 1.3 lukem int i; 82 1.1 jtc 83 1.1 jtc for (i = CACHE_SIZE - 1; i > 0; i--) 84 1.1 jtc User_cache[i] = User_cache[i - 1]; 85 1.1 jtc User_cache[0].cuid = p->pw_uid; 86 1.1 jtc User_cache[0].cgid = p->pw_gid; 87 1.4 itojun (void) strlcpy(User_cache[0].cpw, p->pw_passwd, 88 1.4 itojun sizeof(User_cache[0].cpw)); 89 1.4 itojun (void) strlcpy(User_cache[0].cuname, p->pw_name, 90 1.4 itojun sizeof(User_cache[0].cuname)); 91 1.1 jtc } 92 1.1 jtc 93 1.1 jtc #endif /* USER_CACHE */ 94
Indexes created Sun Sep 21 19:09:51 GMT 2025