115664Sralph #ifndef lint 2*15752Sralph static char *sccsid = "@(#)mkpasswd.c 4.2 (Berkeley) 83/12/20"; 315664Sralph #endif 415664Sralph 515664Sralph #include <sys/file.h> 615664Sralph #include <stdio.h> 715664Sralph #include <pwd.h> 815664Sralph #include <ndbm.h> 915664Sralph 1015664Sralph char buf[BUFSIZ]; 1115664Sralph 1215664Sralph main(argc, argv) 1315664Sralph char *argv[]; 1415664Sralph { 1515664Sralph DBM *dp; 1615664Sralph datum key, content; 1715664Sralph register char *cp, *tp; 1815664Sralph register struct passwd *pwd; 1915664Sralph int verbose = 0, entries = 0, maxlen = 0; 2015664Sralph 2115664Sralph if (argc > 1 && strcmp(argv[1], "-v") == 0) { 2215664Sralph verbose++; 2315664Sralph argv++, argc--; 2415664Sralph } 2515664Sralph if (argc != 2) { 2615664Sralph fprintf(stderr, "usage: mkpasswd [ -v ] file\n"); 2715664Sralph exit(1); 2815664Sralph } 2915664Sralph umask(0); 3015664Sralph dp = ndbmopen(argv[1], O_WRONLY|O_CREAT|O_EXCL, 0644); 3115664Sralph if (dp == NULL) { 3215664Sralph fprintf(stderr, "dbminit failed: "); 3315664Sralph perror(argv[1]); 3415664Sralph exit(1); 3515664Sralph } 3615664Sralph dp->db_maxbno = 0; 3715664Sralph setpwent(); 3815664Sralph while (pwd = getpwent()) { 3915664Sralph cp = buf; 4015664Sralph #define COMPACT(e) tp = pwd->pw_/**/e; while (*cp++ = *tp++); 4115664Sralph COMPACT(name); 4215664Sralph COMPACT(passwd); 4315664Sralph *(int *)cp = pwd->pw_uid; cp += sizeof (int); 4415664Sralph *(int *)cp = pwd->pw_gid; cp += sizeof (int); 4515664Sralph *(int *)cp = pwd->pw_quota; cp += sizeof (int); 4615664Sralph COMPACT(comment); 4715664Sralph COMPACT(gecos); 4815664Sralph COMPACT(dir); 4915664Sralph COMPACT(shell); 5015664Sralph content.dptr = buf; 5115664Sralph content.dsize = cp - buf; 5215664Sralph if (verbose) 5315664Sralph printf("store %s, uid %d\n", pwd->pw_name, pwd->pw_uid); 5415664Sralph key.dptr = pwd->pw_name; 5515664Sralph key.dsize = strlen(pwd->pw_name); 56*15752Sralph dbmstore(dp, key, content, DB_INSERT); 5715664Sralph key.dptr = (char *)&pwd->pw_uid; 5815664Sralph key.dsize = sizeof (int); 59*15752Sralph dbmstore(dp, key, content, DB_INSERT); 6015664Sralph entries++; 6115664Sralph if (cp - buf > maxlen) 6215664Sralph maxlen = cp - buf; 6315664Sralph } 6415664Sralph endpwent(); 6515664Sralph printf("%d password entries, maximum length %d\n", entries, maxlen); 6615664Sralph exit(0); 6715664Sralph } 68