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- /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)pw_copy.c 5.3 (Berkeley) 5/2/91";
- #endif /* not lint */
-
- /*
- * This module is used to copy the master password file, replacing a single
- * record, by chpass(1) and passwd(1).
- */
-
- #include <pwd.h>
- #include <stdio.h>
- #include <string.h>
-
- extern char *progname, *tempname;
-
- pw_copy(ffd, tfd, pw)
- int ffd, tfd;
- struct passwd *pw;
- {
- register FILE *from, *to;
- register int done;
- register char *p;
- char buf[8192];
-
- if (!(from = fdopen(ffd, "r")))
- pw_error(_PATH_MASTERPASSWD, 1, 1);
- if (!(to = fdopen(tfd, "w")))
- pw_error(tempname, 1, 1);
-
- for (done = 0; fgets(buf, sizeof(buf), from);) {
- if (!index(buf, '\n')) {
- (void)fprintf(stderr, "%s: %s: line too long\n",
- progname, _PATH_MASTERPASSWD);
- pw_error(NULL, 0, 1);
- }
- if (done) {
- (void)fprintf(to, "%s", buf);
- if (ferror(to))
- goto err;
- continue;
- }
- if (!(p = index(buf, ':'))) {
- (void)fprintf(stderr, "%s: %s: corrupted entry\n",
- progname, _PATH_MASTERPASSWD);
- pw_error(NULL, 0, 1);
- }
- *p = '\0';
- if (strcmp(buf, pw->pw_name)) {
- *p = ':';
- (void)fprintf(to, "%s", buf);
- if (ferror(to))
- goto err;
- continue;
- }
- (void)fprintf(to, "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n",
- pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid,
- pw->pw_class, pw->pw_change, pw->pw_expire, pw->pw_gecos,
- pw->pw_dir, pw->pw_shell);
- done = 1;
- if (ferror(to))
- goto err;
- }
- if (!done)
- (void)fprintf(to, "%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n",
- pw->pw_name, pw->pw_passwd, pw->pw_uid, pw->pw_gid,
- pw->pw_class, pw->pw_change, pw->pw_expire, pw->pw_gecos,
- pw->pw_dir, pw->pw_shell);
-
- if (ferror(to))
- err: pw_error(NULL, 1, 1);
- (void)fclose(to);
- }
-