+/*
+ * Copyright (c) 1980, 1983 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of California at Berkeley. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1980, 1983 Regents of the University of California.\n\
+ All rights reserved.\n";
+#endif /* not lint */
+
#ifndef lint
-static char *sccsid = "@(#)mkpasswd.c 4.3 (Berkeley) 84/01/25";
-#endif
+static char sccsid[] = "@(#)mkpasswd.c 5.2 (Berkeley) %G%";
+#endif /* not lint */
#include <sys/file.h>
#include <stdio.h>
#include <pwd.h>
#include <ndbm.h>
-char buf[BUFSIZ];
-char line[BUFSIZ+1];
-char EMPTY[] = "";
-struct passwd passwd;
-
-struct passwd *fgetpwent();
-
main(argc, argv)
+ int argc;
char *argv[];
{
- FILE *pwf;
DBM *dp;
datum key, content;
register char *cp, *tp;
register struct passwd *pwd;
int verbose = 0, entries = 0, maxlen = 0;
+ char buf[BUFSIZ];
if (argc > 1 && strcmp(argv[1], "-v") == 0) {
verbose++;
fprintf(stderr, "usage: mkpasswd [ -v ] file\n");
exit(1);
}
- if ((pwf = fopen(argv[1], "r" )) == NULL) {
+ if (access(argv[1], R_OK) < 0) {
fprintf(stderr, "mkpasswd: ");
perror(argv[1]);
exit(1);
}
- umask(0);
- dp = ndbmopen(argv[1], O_WRONLY|O_CREAT|O_EXCL, 0644);
+ (void)umask(0);
+ dp = dbm_open(argv[1], O_WRONLY|O_CREAT|O_EXCL, 0644);
if (dp == NULL) {
fprintf(stderr, "mkpasswd: ");
perror(argv[1]);
exit(1);
}
- dp->db_maxbno = 0;
- while (pwd = fgetpwent(pwf)) {
+ setpwfile(argv[1]);
+ while (pwd = getpwent()) {
cp = buf;
-#define COMPACT(e) tp = pwd->pw_/**/e; while (*cp++ = *tp++);
- COMPACT(name);
- COMPACT(passwd);
- *(int *)cp = pwd->pw_uid; cp += sizeof (int);
- *(int *)cp = pwd->pw_gid; cp += sizeof (int);
- *(int *)cp = pwd->pw_quota; cp += sizeof (int);
- COMPACT(comment);
- COMPACT(gecos);
- COMPACT(dir);
- COMPACT(shell);
+#define COMPACT(e) tp = pwd->e; while (*cp++ = *tp++);
+ COMPACT(pw_name);
+ COMPACT(pw_passwd);
+ bcopy((char *)&pwd->pw_uid, cp, sizeof (int));
+ cp += sizeof (int);
+ bcopy((char *)&pwd->pw_gid, cp, sizeof (int));
+ cp += sizeof (int);
+ bcopy((char *)&pwd->pw_quota, cp, sizeof (int));
+ cp += sizeof (int);
+ COMPACT(pw_comment);
+ COMPACT(pw_gecos);
+ COMPACT(pw_dir);
+ COMPACT(pw_shell);
content.dptr = buf;
content.dsize = cp - buf;
if (verbose)
printf("store %s, uid %d\n", pwd->pw_name, pwd->pw_uid);
key.dptr = pwd->pw_name;
key.dsize = strlen(pwd->pw_name);
- dbmstore(dp, key, content, DB_INSERT);
+ if (dbm_store(dp, key, content, DBM_INSERT) < 0) {
+ fprintf(stderr, "mkpasswd: ");
+ perror("dbm_store failed");
+ exit(1);
+ }
key.dptr = (char *)&pwd->pw_uid;
key.dsize = sizeof (int);
- dbmstore(dp, key, content, DB_INSERT);
+ if (dbm_store(dp, key, content, DBM_INSERT) < 0) {
+ fprintf(stderr, "mkpasswd: ");
+ perror("dbm_store failed");
+ exit(1);
+ }
entries++;
if (cp - buf > maxlen)
maxlen = cp - buf;
}
+ dbm_close(dp);
printf("%d password entries, maximum length %d\n", entries, maxlen);
exit(0);
}
-
-static char *
-pwskip(p)
-register char *p;
-{
- while( *p && *p != ':' )
- ++p;
- if( *p ) *p++ = 0;
- return(p);
-}
-
-struct passwd *
-fgetpwent(pwf)
- FILE *pwf;
-{
- register char *p;
-
- p = fgets(line, BUFSIZ, pwf);
- if (p==NULL)
- return(0);
- passwd.pw_name = p;
- p = pwskip(p);
- passwd.pw_passwd = p;
- p = pwskip(p);
- passwd.pw_uid = atoi(p);
- p = pwskip(p);
- passwd.pw_gid = atoi(p);
- passwd.pw_quota = 0;
- passwd.pw_comment = EMPTY;
- p = pwskip(p);
- passwd.pw_gecos = p;
- p = pwskip(p);
- passwd.pw_dir = p;
- p = pwskip(p);
- passwd.pw_shell = p;
- while(*p && *p != '\n') p++;
- *p = '\0';
- return(&passwd);
-}