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[src/netbsd-1-4]: src/usr.sbin/user Pull up revisions 1.1-1.10 (new) (request...
details: https://anonhg.NetBSD.org/src/rev/e7d65200eee8
branches: netbsd-1-4
changeset: 470127:e7d65200eee8
user: he <he%NetBSD.org@localhost>
date: Fri Jan 21 00:01:07 2000 +0000
description:
Pull up revisions 1.1-1.10 (new) (requested by agc):
Add tools to manage users and groups.
diffstat:
usr.sbin/user/user.c | 1511 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 1511 insertions(+), 0 deletions(-)
diffs (truncated from 1515 to 300 lines):
diff -r 8ddd3f5f860c -r e7d65200eee8 usr.sbin/user/user.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usr.sbin/user/user.c Fri Jan 21 00:01:07 2000 +0000
@@ -0,0 +1,1511 @@
+/* $NetBSD: user.c,v 1.10.2.2 2000/01/21 00:01:07 he Exp $ */
+
+/*
+ * Copyright (c) 1999 Alistair G. Crooks. 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 Alistair G. Crooks.
+ * 4. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+
+#include <ctype.h>
+#include <dirent.h>
+#include <err.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <pwd.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <util.h>
+
+#include "defs.h"
+#include "usermgmt.h"
+
+/* this struct describes a uid range */
+typedef struct range_t {
+ int r_from; /* low uid */
+ int r_to; /* high uid */
+} range_t;
+
+/* this struct encapsulates the user information */
+typedef struct user_t {
+ int u_uid; /* uid of user */
+ char *u_password; /* encrypted password */
+ char *u_comment; /* comment field */
+ int u_homeset; /* home dir has been set */
+ char *u_home; /* home directory */
+ char *u_primgrp; /* primary group */
+ int u_groupc; /* # of secondary groups */
+ char *u_groupv[NGROUPS_MAX]; /* secondary groups */
+ char *u_shell; /* user's shell */
+ char *u_basedir; /* base directory for home */
+ char *u_expire; /* when password will expire */
+ int u_inactive; /* inactive */
+ int u_mkdir; /* make the home directory */
+ int u_dupuid; /* duplicate uids are allowed */
+ char *u_skeldir; /* directory for startup files */
+ unsigned u_rsize; /* size of range array */
+ unsigned u_rc; /* # of ranges */
+ range_t *u_rv; /* the ranges */
+ unsigned u_defrc; /* # of ranges in defaults */
+ int u_preserve; /* preserve uids on deletion */
+} user_t;
+
+#define CONFFILE "/etc/usermgmt.conf"
+
+#ifndef DEF_GROUP
+#define DEF_GROUP "users"
+#endif
+
+#ifndef DEF_BASEDIR
+#define DEF_BASEDIR "/home"
+#endif
+
+#ifndef DEF_SKELDIR
+#define DEF_SKELDIR "/etc/skel"
+#endif
+
+#ifndef DEF_SHELL
+#define DEF_SHELL "/bin/csh"
+#endif
+
+#ifndef DEF_COMMENT
+#define DEF_COMMENT ""
+#endif
+
+#ifndef DEF_LOWUID
+#define DEF_LOWUID 1000
+#endif
+
+#ifndef DEF_HIGHUID
+#define DEF_HIGHUID 60000
+#endif
+
+#ifndef DEF_INACTIVE
+#define DEF_INACTIVE 0
+#endif
+
+#ifndef DEF_EXPIRE
+#define DEF_EXPIRE (char *) NULL
+#endif
+
+#ifndef MASTER
+#define MASTER "/etc/master.passwd"
+#endif
+
+#ifndef ETCGROUP
+#define ETCGROUP "/etc/group"
+#endif
+
+#ifndef WAITSECS
+#define WAITSECS 10
+#endif
+
+#ifndef NOBODY_UID
+#define NOBODY_UID 32767
+#endif
+
+/* some useful constants */
+enum {
+ MaxShellNameLen = 256,
+ MaxFileNameLen = MAXPATHLEN,
+ MaxUserNameLen = 32,
+ MaxFieldNameLen = 32,
+ MaxCommandLen = 2048,
+ MaxEntryLen = 2048,
+ PasswordLength = 13,
+
+ LowGid = DEF_LOWUID,
+ HighGid = DEF_HIGHUID
+};
+
+/* Full paths of programs used here */
+#define CHOWN "/usr/sbin/chown"
+#define MKDIR "/bin/mkdir"
+#define MV "/bin/mv"
+#define NOLOGIN "/sbin/nologin"
+#define PAX "/bin/pax"
+#define RM "/bin/rm"
+
+#define UNSET_EXPIRY "Null (unset)"
+
+static int verbose;
+
+/* if *cpp is non-null, free it, then assign `n' chars of `s' to it */
+static void
+memsave(char **cpp, char *s, size_t n)
+{
+ if (*cpp != (char *) NULL) {
+ FREE(*cpp);
+ }
+ NEWARRAY(char, *cpp, n + 1, exit(1));
+ (void) memcpy(*cpp, s, n);
+ (*cpp)[n] = 0;
+}
+
+/* a replacement for system(3) */
+static int
+asystem(char *fmt, ...)
+{
+ va_list vp;
+ char buf[MaxCommandLen];
+ int ret;
+
+ va_start(vp, fmt);
+ (void) vsnprintf(buf, sizeof(buf), fmt, vp);
+ va_end(vp);
+ if (verbose) {
+ (void) printf("Command: %s\n", buf);
+ }
+ if ((ret = system(buf)) != 0) {
+ warnx("[Warning] can't system `%s'", buf);
+ }
+ return ret;
+}
+
+#define NetBSD_1_4_K 104110000
+
+#if defined(__NetBSD_Version__) && (__NetBSD_Version__ < NetBSD_1_4_K)
+/* bounds checking strncpy */
+static int
+strlcpy(char *to, char *from, size_t tosize)
+{
+ size_t n;
+ int fromsize;
+
+ fromsize = strlen(from);
+ n = MIN(tosize - 1, fromsize);
+ (void) memcpy(to, from, n);
+ to[n] = 0;
+ return fromsize;
+}
+#endif
+
+#ifdef EXTENSIONS
+/* return 1 if all of `s' is numeric */
+static int
+is_number(char *s)
+{
+ for ( ; *s ; s++) {
+ if (!isdigit(*s)) {
+ return 0;
+ }
+ }
+ return 1;
+}
+#endif
+
+/*
+ * check that the effective uid is 0 - called from funcs which will
+ * modify data and config files.
+ */
+static void
+checkeuid(void)
+{
+ if (geteuid() != 0) {
+ errx(EXIT_FAILURE, "Program must be run as root");
+ }
+}
+
+/* copy any dot files into the user's home directory */
+static int
+copydotfiles(char *skeldir, int uid, int gid, char *dir)
+{
+ struct dirent *dp;
+ DIR *dirp;
+ int n;
+
+ if ((dirp = opendir(skeldir)) == (DIR *) NULL) {
+ warn("can't open source . files dir `%s'", skeldir);
+ return 0;
+ }
+ for (n = 0; (dp = readdir(dirp)) != (struct dirent *) NULL && n == 0 ; ) {
+ if (strcmp(dp->d_name, ".") == 0 ||
+ strcmp(dp->d_name, "..") == 0) {
+ continue;
+ }
+ n = 1;
+ }
+ (void) closedir(dirp);
+ if (n == 0) {
+ warnx("No \"dot\" initialisation files found");
+ } else {
+ (void) asystem("cd %s; %s -rw -pe %s . %s",
+ skeldir, PAX, (verbose) ? "-v" : "", dir);
+ }
+ (void) asystem("%s -R -h %d:%d %s", CHOWN, uid, gid, dir);
+ return n;
+}
+
+/* create a group entry with gid `gid' */
+static int
+creategid(char *group, int gid, char *name)
+{
+ struct stat st;
+ FILE *from;
+ FILE *to;
+ char buf[MaxEntryLen];
+ char f[MaxFileNameLen];
+ int fd;
+ int cc;
+
+ if ((from = fopen(ETCGROUP, "r")) == (FILE *) NULL) {
+ warn("can't create gid for %s: can't open %s", name, ETCGROUP);
+ return 0;
+ }
+ if (flock(fileno(from), LOCK_EX | LOCK_NB) < 0) {
+ warn("can't lock `%s'", ETCGROUP);
+ }
+ (void) fstat(fileno(from), &st);
+ (void) snprintf(f, sizeof(f), "%s.XXXXXX", ETCGROUP);
+ if ((fd = mkstemp(f)) < 0) {
+ (void) fclose(from);
+ warn("can't create gid: mkstemp failed");
+ return 0;
+ }
+ if ((to = fdopen(fd, "w")) == (FILE *) NULL) {
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