diff options
Diffstat (limited to 'chpass/edit.c')
| -rw-r--r-- | chpass/edit.c | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/chpass/edit.c b/chpass/edit.c deleted file mode 100644 index ce82f8e..0000000 --- a/chpass/edit.c +++ /dev/null @@ -1,296 +0,0 @@ -/*- - * Copyright (c) 1990, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * Copyright (c) 2002 Networks Associates Technology, Inc. - * All rights reserved. - * - * Portions of this software were developed for the FreeBSD Project by - * ThinkSec AS and NAI Labs, the Security Research Division of Network - * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 - * ("CBOSS"), as part of the DARPA CHATS research program. - * - * 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. - */ - -#if 0 -#ifndef lint -static char sccsid[] = "@(#)edit.c 8.3 (Berkeley) 4/2/94"; -#endif /* not lint */ -#endif - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/stat.h> - -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <paths.h> -#include <pwd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include <pw_scan.h> -#include <libutil.h> - -#include "chpass.h" - -static int display(const char *tfn, struct passwd *pw); -static struct passwd *verify(const char *tfn, struct passwd *pw); - -struct passwd * -edit(const char *tfn, struct passwd *pw) -{ - struct passwd *npw; - char *line; - size_t len; - - if (display(tfn, pw) == -1) - return (NULL); - for (;;) { - switch (pw_edit(1)) { - case -1: - return (NULL); - case 0: - return (pw_dup(pw)); - default: - break; - } - if ((npw = verify(tfn, pw)) != NULL) - return (npw); - free(npw); - printf("re-edit the password file? "); - fflush(stdout); - if ((line = fgetln(stdin, &len)) == NULL) { - warn("fgetln()"); - return (NULL); - } - if (len > 0 && (*line == 'N' || *line == 'n')) - return (NULL); - } -} - -/* - * display -- - * print out the file for the user to edit; strange side-effect: - * set conditional flag if the user gets to edit the shell. - */ -static int -display(const char *tfn, struct passwd *pw) -{ - FILE *fp; - char *bp, *gecos, *p; - - if ((fp = fopen(tfn, "w")) == NULL) { - warn("%s", tfn); - return (-1); - } - - (void)fprintf(fp, - "#Changing user information for %s.\n", pw->pw_name); - if (master_mode) { - (void)fprintf(fp, "Login: %s\n", pw->pw_name); - (void)fprintf(fp, "Password: %s\n", pw->pw_passwd); - (void)fprintf(fp, "Uid [#]: %lu\n", (unsigned long)pw->pw_uid); - (void)fprintf(fp, "Gid [# or name]: %lu\n", - (unsigned long)pw->pw_gid); - (void)fprintf(fp, "Change [month day year]: %s\n", - ttoa(pw->pw_change)); - (void)fprintf(fp, "Expire [month day year]: %s\n", - ttoa(pw->pw_expire)); - (void)fprintf(fp, "Class: %s\n", pw->pw_class); - (void)fprintf(fp, "Home directory: %s\n", pw->pw_dir); - (void)fprintf(fp, "Shell: %s\n", - *pw->pw_shell ? pw->pw_shell : _PATH_BSHELL); - } - /* Only admin can change "restricted" shells. */ -#if 0 - else if (ok_shell(pw->pw_shell)) - /* - * Make shell a restricted field. Ugly with a - * necklace, but there's not much else to do. - */ -#else - else if ((!list[E_SHELL].restricted && ok_shell(pw->pw_shell)) || - master_mode) - /* - * If change not restrict (table.c) and standard shell - * OR if root, then allow editing of shell. - */ -#endif - (void)fprintf(fp, "Shell: %s\n", - *pw->pw_shell ? pw->pw_shell : _PATH_BSHELL); - else - list[E_SHELL].restricted = 1; - - if ((bp = gecos = strdup(pw->pw_gecos)) == NULL) { - warn(NULL); - fclose(fp); - return (-1); - } - - p = strsep(&bp, ","); - p = strdup(p ? p : ""); - list[E_NAME].save = p; - if (!list[E_NAME].restricted || master_mode) - (void)fprintf(fp, "Full Name: %s\n", p); - - p = strsep(&bp, ","); - p = strdup(p ? p : ""); - list[E_LOCATE].save = p; - if (!list[E_LOCATE].restricted || master_mode) - (void)fprintf(fp, "Office Location: %s\n", p); - - p = strsep(&bp, ","); - p = strdup(p ? p : ""); - list[E_BPHONE].save = p; - if (!list[E_BPHONE].restricted || master_mode) - (void)fprintf(fp, "Office Phone: %s\n", p); - - p = strsep(&bp, ","); - p = strdup(p ? p : ""); - list[E_HPHONE].save = p; - if (!list[E_HPHONE].restricted || master_mode) - (void)fprintf(fp, "Home Phone: %s\n", p); - - bp = strdup(bp ? bp : ""); - list[E_OTHER].save = bp; - if (!list[E_OTHER].restricted || master_mode) - (void)fprintf(fp, "Other information: %s\n", bp); - - free(gecos); - - (void)fchown(fileno(fp), getuid(), getgid()); - (void)fclose(fp); - return (0); -} - -static struct passwd * -verify(const char *tfn, struct passwd *pw) -{ - struct passwd *npw; - ENTRY *ep; - char *buf, *p, *val; - struct stat sb; - FILE *fp; - int line; - size_t len; - - if ((pw = pw_dup(pw)) == NULL) - return (NULL); - if ((fp = fopen(tfn, "r")) == NULL || - fstat(fileno(fp), &sb) == -1) { - warn("%s", tfn); - free(pw); - return (NULL); - } - if (sb.st_size == 0) { - warnx("corrupted temporary file"); - fclose(fp); - free(pw); - return (NULL); - } - val = NULL; - for (line = 1; (buf = fgetln(fp, &len)) != NULL; ++line) { - if (*buf == '\0' || *buf == '#') - continue; - while (len > 0 && isspace(buf[len - 1])) - --len; - for (ep = list;; ++ep) { - if (!ep->prompt) { - warnx("%s: unrecognized field on line %d", - tfn, line); - goto bad; - } - if (ep->len > len) - continue; - if (strncasecmp(buf, ep->prompt, ep->len) != 0) - continue; - if (ep->restricted && !master_mode) { - warnx("%s: you may not change the %s field", - tfn, ep->prompt); - goto bad; - } - for (p = buf; p < buf + len && *p != ':'; ++p) - /* nothing */ ; - if (*p != ':') { - warnx("%s: line %d corrupted", tfn, line); - goto bad; - } - while (++p < buf + len && isspace(*p)) - /* nothing */ ; - free(val); - asprintf(&val, "%.*s", (int)(buf + len - p), p); - if (val == NULL) - goto bad; - if (ep->except && strpbrk(val, ep->except)) { - warnx("%s: invalid character in \"%s\" field '%s'", - tfn, ep->prompt, val); - goto bad; - } - if ((ep->func)(val, pw, ep)) - goto bad; - break; - } - } - free(val); - fclose(fp); - - /* Build the gecos field. */ - len = asprintf(&p, "%s,%s,%s,%s,%s", list[E_NAME].save, - list[E_LOCATE].save, list[E_BPHONE].save, - list[E_HPHONE].save, list[E_OTHER].save); - if (p == NULL) { - warn("asprintf()"); - free(pw); - return (NULL); - } - while (len > 0 && p[len - 1] == ',') - p[--len] = '\0'; - pw->pw_gecos = p; - buf = pw_make(pw); - free(pw); - free(p); - if (buf == NULL) { - warn("pw_make()"); - return (NULL); - } - npw = pw_scan(buf, PWSCAN_WARN|PWSCAN_MASTER); - free(buf); - return (npw); -bad: - free(pw); - free(val); - fclose(fp); - return (NULL); -} |