diff options
Diffstat (limited to 'chpass/pw_copy.c')
| -rw-r--r-- | chpass/pw_copy.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/chpass/pw_copy.c b/chpass/pw_copy.c deleted file mode 100644 index daebd20..0000000 --- a/chpass/pw_copy.c +++ /dev/null @@ -1,177 +0,0 @@ -/*- - * Copyright (c) 1990, 1993, 1994 - * 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. - * - * $FreeBSD$ - */ - -#ifndef lint -static const char sccsid[] = "@(#)pw_copy.c 8.4 (Berkeley) 4/2/94"; -#endif /* not lint */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* - * This module is used to copy the master password file, replacing a single - * record, by chpass(1) and passwd(1). - */ - -#include <err.h> -#include <pwd.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -#include <pw_scan.h> -#include <pw_util.h> - -#include "pw_copy.h" - -extern char *tempname; - -/* for use in pw_copy(). Compare a pw entry to a pw struct. */ -static int -pw_equal(char *buf, struct passwd *pw) -{ - struct passwd buf_pw; - int len; - - len = strlen (buf); - if (buf[len-1] == '\n') - buf[len-1] = '\0'; - if (!__pw_scan(buf, &buf_pw, _PWSCAN_MASTER)) - return 0; - return (strcmp(pw->pw_name, buf_pw.pw_name) == 0 - && pw->pw_uid == buf_pw.pw_uid - && pw->pw_gid == buf_pw.pw_gid - && strcmp(pw->pw_class, buf_pw.pw_class) == 0 - && (long)pw->pw_change == (long)buf_pw.pw_change - && (long)pw->pw_expire == (long)buf_pw.pw_expire - && strcmp(pw->pw_gecos, buf_pw.pw_gecos) == 0 - && strcmp(pw->pw_dir, buf_pw.pw_dir) == 0 - && strcmp(pw->pw_shell, buf_pw.pw_shell) == 0); -} - -void -pw_copy(int ffd, int tfd, struct passwd *pw, struct passwd *old_pw) -{ - FILE *from, *to; - int done; - char *p, buf[8192]; - char uidstr[20]; - char gidstr[20]; - char chgstr[20]; - char expstr[20]; - - snprintf(uidstr, sizeof(uidstr), "%lu", (unsigned long)pw->pw_uid); - snprintf(gidstr, sizeof(gidstr), "%lu", (unsigned long)pw->pw_gid); - snprintf(chgstr, sizeof(chgstr), "%ld", (long)pw->pw_change); - snprintf(expstr, sizeof(expstr), "%ld", (long)pw->pw_expire); - - 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 (!strchr(buf, '\n')) { - warnx("%s: line too long", _PATH_MASTERPASSWD); - pw_error(NULL, 0, 1); - } - if (done) { - (void)fprintf(to, "%s", buf); - if (ferror(to)) - goto err; - continue; - } - for (p = buf; *p != '\n'; p++) - if (*p != ' ' && *p != '\t') - break; - if (*p == '#' || *p == '\n') { - (void)fprintf(to, "%s", buf); - if (ferror(to)) - goto err; - continue; - } - if (!(p = strchr(buf, ':'))) { - warnx("%s: corrupted entry", _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; - } - *p = ':'; - if (old_pw && !pw_equal(buf, old_pw)) { - warnx("%s: entry for %s has changed", - _PATH_MASTERPASSWD, pw->pw_name); - pw_error(NULL, 0, 1); - } - (void)fprintf(to, "%s:%s:%s:%s:%s:%s:%s:%s:%s:%s\n", - pw->pw_name, pw->pw_passwd, - pw->pw_fields & _PWF_UID ? uidstr : "", - pw->pw_fields & _PWF_GID ? gidstr : "", - pw->pw_class, - pw->pw_fields & _PWF_CHANGE ? chgstr : "", - pw->pw_fields & _PWF_EXPIRE ? expstr : "", - pw->pw_gecos, pw->pw_dir, pw->pw_shell); - done = 1; - if (ferror(to)) - goto err; - } - if (!done) { -#ifdef YP - /* Ultra paranoid: shouldn't happen. */ - if (getuid()) { - warnx("%s: not found in %s -- permission denied", - pw->pw_name, _PATH_MASTERPASSWD); - pw_error(NULL, 0, 1); - } else -#endif /* YP */ - (void)fprintf(to, "%s:%s:%s:%s:%s:%s:%s:%s:%s:%s\n", - pw->pw_name, pw->pw_passwd, - pw->pw_fields & _PWF_UID ? uidstr : "", - pw->pw_fields & _PWF_GID ? gidstr : "", - pw->pw_class, - pw->pw_fields & _PWF_CHANGE ? chgstr : "", - pw->pw_fields & _PWF_EXPIRE ? expstr : "", - pw->pw_gecos, pw->pw_dir, pw->pw_shell); - } - - if (ferror(to)) -err: pw_error(NULL, 1, 1); - (void)fclose(to); -} |