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add --prefix option

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This commit is contained in:
fariouche 2016-05-15 15:49:39 +02:00
parent db57db52cf
commit b6b2c756c9
20 changed files with 766 additions and 93 deletions
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19
lib/commonio.c
View File

@ -375,21 +375,30 @@ bool commonio_present (const struct commonio_db *db)
int commonio_lock_nowait (struct commonio_db *db, bool log)
{
char file[1024];
char lock[1024];
char* file;
char* lock;
size_t lock_file_len;
size_t file_len;
if (db->locked) {
return 1;
}
snprintf (file, sizeof file, "%s.%lu",
file_len = strlen(db->filename) + 11;/* %lu max size */
lock_file_len = strlen(db->filename) + 6; /* sizeof ".lock" */
file = (char*)malloc(file_len);
lock = (char*)malloc(lock_file_len);
snprintf (file, file_len, "%s.%lu",
db->filename, (unsigned long) getpid ());
snprintf (lock, sizeof lock, "%s.lock", db->filename);
snprintf (lock, lock_file_len, "%s.lock", db->filename);
if (do_lock_file (file, lock, log) != 0) {
db->locked = true;
lock_count++;
free(file);
free(lock);
return 1;
}
free(file);
free(lock);
return 0;
}

13
lib/getdef.c
View File

@ -155,7 +155,7 @@ static struct itemdef knowndef_table[] = {
#define LOGINDEFS "/etc/login.defs"
#endif
static char def_fname[] = LOGINDEFS; /* login config defs file */
static const char* def_fname = LOGINDEFS; /* login config defs file */
static bool def_loaded = false; /* are defs already loaded? */
/* local function prototypes */
@ -424,6 +424,17 @@ out:
return (struct itemdef *) NULL;
}
/*
* setdef_config_file - set the default configuration file path
*
* must be called prior to any def* calls.
*/
void setdef_config_file (const char* file)
{
def_fname = file;
}
/*
* def_load - load configuration table
*

1
lib/getdef.h
View File

@ -40,6 +40,7 @@ extern unsigned long getdef_ulong (const char *, unsigned long);
extern unsigned int getdef_unum (const char *, unsigned int);
extern /*@observer@*/ /*@null@*/const char *getdef_str (const char *);
extern int putdef_str (const char *, const char *);
extern void setdef_config_file (const char* file);
/* default UMASK value if not specified in /etc/login.defs */
#define GETDEF_DEFAULT_UMASK 022

15
lib/prototypes.h
View File

@ -271,6 +271,21 @@ extern void do_pam_passwd (const char *user, bool silent, bool change_expired);
/* port.c */
extern bool isttytime (const char *, const char *, time_t);
/* prefix_flag.c */
extern const char* process_prefix_flag (const char* short_opt, int argc, char **argv);
extern struct group *prefix_getgrnam(const char *name);
extern struct group *prefix_getgrgid(gid_t gid);
extern struct passwd *prefix_getpwuid(uid_t uid);
extern struct passwd *prefix_getpwnam(const char* name);
extern struct spwd *prefix_getspnam(const char* name);
extern struct group *prefix_getgr_nam_gid(const char *grname);
extern void prefix_setpwent();
extern struct passwd* prefix_getpwent();
extern void prefix_endpwent();
extern void prefix_setgrent();
extern struct group* prefix_getgrent();
extern void prefix_endgrent();
/* pwd2spwd.c */
#ifndef USE_PAM
extern struct spwd *pwd_to_spwd (const struct passwd *);

1
libmisc/Makefile.am
View File

@ -44,6 +44,7 @@ libmisc_a_SOURCES = \
obscure.c \
pam_pass.c \
pam_pass_non_interractive.c \
prefix_flag.c \
pwd2spwd.c \
pwdcheck.c \
pwd_init.c \

2
libmisc/find_new_gid.c
View File

@ -136,7 +136,7 @@ static int check_gid (const gid_t gid,
}
/* Check if the GID exists according to NSS */
errno = 0;
if (getgrgid (gid) != NULL) {
if (prefix_getgrgid (gid) != NULL) {
return EEXIST;
} else {
/* getgrgid() was NULL

2
libmisc/find_new_uid.c
View File

@ -136,7 +136,7 @@ static int check_uid(const uid_t uid,
}
/* Check if the UID exists according to NSS */
errno = 0;
if (getpwuid(uid) != NULL) {
if (prefix_getpwuid(uid) != NULL) {
return EEXIST;
} else {
/* getpwuid() was NULL

342
libmisc/prefix_flag.c Normal file
View File

@ -0,0 +1,342 @@
/*
* Copyright (c) 2011 , Julian Pidancet
* Copyright (c) 2011 , Nicolas François
* 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. The name of the copyright holders or contributors may not be used to
* endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
* HOLDERS 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.
*/
#include <config.h>
#ident "$Id$"
#include <stdio.h>
#include <assert.h>
#include "defines.h"
#include "prototypes.h"
/*@-exitarg@*/
#include "exitcodes.h"
#include "groupio.h"
#include "pwio.h"
#ifdef SHADOWGRP
#include "sgroupio.h"
#endif
#include "shadowio.h"
#ifdef ENABLE_SUBIDS
#include "subordinateio.h"
#endif /* ENABLE_SUBIDS */
#include "getdef.h"
static char *passwd_db_file = NULL;
static char *spw_db_file = NULL;
static char *group_db_file = NULL;
static char *sgroup_db_file = NULL;
static char *suid_db_file = NULL;
static char *sgid_db_file = NULL;
static char *def_conf_file = NULL;
static FILE* fp_pwent = NULL;
static FILE* fp_grent = NULL;
/*
* process_prefix_flag - prefix all paths if given the --prefix option
*
* This shall be called before accessing the passwd, group, shadow,
* gshadow, useradd's default, login.defs files (non exhaustive list)
* or authenticating the caller.
*
* The audit, syslog, or locale files shall be open before
*/
extern const char* process_prefix_flag (const char* short_opt, int argc, char **argv)
{
/*
* Parse the command line options.
*/
int i;
const char *prefix = NULL;
for (i = 0; i < argc; i++) {
if ( (strcmp (argv[i], "--prefix") == 0)
|| (strcmp (argv[i], short_opt) == 0)) {
if (NULL != prefix) {
fprintf (stderr,
_("%s: multiple --prefix options\n"),
Prog);
exit (E_BAD_ARG);
}
if (i + 1 == argc) {
fprintf (stderr,
_("%s: option '%s' requires an argument\n"),
Prog, argv[i]);
exit (E_BAD_ARG);
}
prefix = argv[i + 1];
}
}
if (prefix != NULL) {
if ( prefix[0] == '\0' || !strcmp(prefix, "/"))
return ""; /* if prefix is "/" then we ignore the flag option */
/* should we prevent symbolic link from being used as a prefix? */
size_t len;
len = strlen(prefix) + strlen(PASSWD_FILE) + 2;
passwd_db_file = xmalloc(len);
snprintf(passwd_db_file, len, "%s/%s", prefix, PASSWD_FILE);
pw_setdbname(passwd_db_file);
len = strlen(prefix) + strlen(GROUP_FILE) + 2;
group_db_file = xmalloc(len);
snprintf(group_db_file, len, "%s/%s", prefix, GROUP_FILE);
gr_setdbname(group_db_file);
#ifdef SHADOWGRP
len = strlen(prefix) + strlen(SGROUP_FILE) + 2;
sgroup_db_file = xmalloc(len);
snprintf(sgroup_db_file, len, "%s/%s", prefix, SGROUP_FILE);
sgr_setdbname(sgroup_db_file);
#endif
#ifdef USE_NIS
__setspNIS(0); /* disable NIS for now, at least until it is properly supporting a "prefix" */
#endif
len = strlen(prefix) + strlen(SHADOW_FILE) + 2;
spw_db_file = xmalloc(len);
snprintf(spw_db_file, len, "%s/%s", prefix, SHADOW_FILE);
spw_setdbname(spw_db_file);
len = strlen(prefix) + strlen("/etc/subuid") + 2;
suid_db_file = xmalloc(len);
snprintf(suid_db_file, len, "%s/%s", prefix, "/etc/subuid");
sub_uid_setdbname(suid_db_file);
len = strlen(prefix) + strlen("/etc/subgid") + 2;
sgid_db_file = xmalloc(len);
snprintf(sgid_db_file, len, "%s/%s", prefix, "/etc/subgid");
sub_gid_setdbname(sgid_db_file);
len = strlen(prefix) + strlen("/etc/login.defs") + 2;
def_conf_file = xmalloc(len);
snprintf(def_conf_file, len, "%s/%s", prefix, "/etc/login.defs");
setdef_config_file(def_conf_file);
}
if (prefix == NULL)
return "";
return prefix;
}
extern struct group *prefix_getgrnam(const char *name)
{
if (group_db_file) {
FILE* fg;
struct group * grp = NULL;
fg = fopen(group_db_file, "rt");
if(!fg)
return NULL;
while(grp = fgetgrent(fg)) {
if(!strcmp(name, grp->gr_name))
break;
}
fclose(fg);
return grp;
}
else {
return getgrnam(name);
}
}
extern struct group *prefix_getgrgid(gid_t gid)
{
if (group_db_file) {
FILE* fg;
struct group * grp = NULL;
fg = fopen(group_db_file, "rt");
if(!fg)
return NULL;
while(grp = fgetgrent(fg)) {
if(gid == grp->gr_gid)
break;
}
fclose(fg);
return grp;
}
else {
return getgrgid(gid);
}
}
extern struct passwd *prefix_getpwuid(uid_t uid)
{
if (passwd_db_file) {
FILE* fg;
struct passwd *pwd = NULL;
fg = fopen(passwd_db_file, "rt");
if(!fg)
return NULL;
while(pwd = fgetpwent(fg)) {
if(uid == pwd->pw_uid)
break;
}
fclose(fg);
return pwd;
}
else {
return getpwuid(uid);
}
}
extern struct passwd *prefix_getpwnam(const char* name)
{
if (passwd_db_file) {
FILE* fg;
struct passwd *pwd = NULL;
fg = fopen(passwd_db_file, "rt");
if(!fg)
return NULL;
while(pwd = fgetpwent(fg)) {
if(!strcmp(name, pwd->pw_name))
break;
}
fclose(fg);
return pwd;
}
else {
return getpwnam(name);
}
}
extern struct spwd *prefix_getspnam(const char* name)
{
if (spw_db_file) {
FILE* fg;
struct spwd *sp = NULL;
fg = fopen(spw_db_file, "rt");
if(!fg)
return NULL;
while(sp = fgetspent(fg)) {
if(!strcmp(name, sp->sp_namp))
break;
}
fclose(fg);
return sp;
}
else {
return getspnam(name);
}
}
extern void prefix_setpwent()
{
if(!passwd_db_file) {
setpwent();
return;
}
if (fp_pwent)
fclose (fp_pwent);
fp_pwent = fopen(passwd_db_file, "rt");
if(!fp_pwent)
return;
}
extern struct passwd* prefix_getpwent()
{
if(!passwd_db_file) {
return getpwent();
}
return fgetpwent(fp_pwent);
}
extern void prefix_endpwent()
{
if(!passwd_db_file) {
endpwent();
return;
}
if (fp_pwent)
fclose(fp_pwent);
fp_pwent = NULL;
}
extern void prefix_setgrent()
{
if(!group_db_file) {
setgrent();
return;
}
if (fp_grent)
fclose (fp_grent);
fp_grent = fopen(group_db_file, "rt");
if(!fp_grent)
return;
}
extern struct group* prefix_getgrent()
{
if(!group_db_file) {
return getgrent();
}
return fgetgrent(fp_grent);
}
extern void prefix_endgrent()
{
if(!group_db_file) {
endgrent();
return;
}
if (fp_grent)
fclose(fp_grent);
fp_grent = NULL;
}
extern struct group *prefix_getgr_nam_gid(const char *grname)
{
long long int gid;
char *endptr;
if (NULL == grname) {
return NULL;
}
if (group_db_file) {
errno = 0;
gid = strtoll (grname, &endptr, 10);
if ( ('\0' != *grname)
&& ('\0' == *endptr)
&& (ERANGE != errno)
&& (gid == (gid_t)gid)) {
return prefix_getgrgid ((gid_t) gid);
}
return prefix_getgrnam (grname);
}
else
return getgr_nam_gid(grname);
}

17
man/groupadd.8.xml
View File

@ -212,6 +212,23 @@
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-P</option>, <option>--prefix</option>&nbsp;<replaceable>PREFIX_DIR</replaceable>
</term>
<listitem>
<para>
Apply changes in the <replaceable>PREFIX_DIR</replaceable>
directory and use the configuration files from the
<replaceable>PREFIX_DIR</replaceable> directory.
This option does not chroot and is intended for preparing
a cross-compilation target.
Some limitations: NIS and LDAP users/groups are not verified.
PAM authentication is using the host files.
No SELINUX support.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>

17
man/groupdel.8.xml
View File

@ -109,6 +109,23 @@
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-P</option>, <option>--prefix</option>&nbsp;<replaceable>PREFIX_DIR</replaceable>
</term>
<listitem>
<para>
Apply changes in the <replaceable>PREFIX_DIR</replaceable>
directory and use the configuration files from the
<replaceable>PREFIX_DIR</replaceable> directory.
This option does not chroot and is intended for preparing
a cross-compilation target.
Some limitations: NIS and LDAP users/groups are not verified.
PAM authentication is using the host files.
No SELINUX support.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>

17
man/groupmod.8.xml
View File

@ -186,6 +186,23 @@
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-P</option>, <option>--prefix</option>&nbsp;<replaceable>PREFIX_DIR</replaceable>
</term>
<listitem>
<para>
Apply changes in the <replaceable>PREFIX_DIR</replaceable>
directory and use the configuration files from the
<replaceable>PREFIX_DIR</replaceable> directory.
This option does not chroot and is intended for preparing
a cross-compilation target.
Some limitations: NIS and LDAP users/groups are not verified.
PAM authentication is using the host files.
No SELINUX support.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>

17
man/useradd.8.xml
View File

@ -453,6 +453,23 @@
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-P</option>, <option>--prefix</option>&nbsp;<replaceable>PREFIX_DIR</replaceable>
</term>
<listitem>
<para>
Apply changes in the <replaceable>PREFIX_DIR</replaceable>
directory and use the configuration files from the
<replaceable>PREFIX_DIR</replaceable> directory.
This option does not chroot and is intended for preparing
a cross-compilation target.
Some limitations: NIS and LDAP users/groups are not verified.
PAM authentication is using the host files.
No SELINUX support.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-s</option>, <option>--shell</option>&nbsp;<replaceable>SHELL</replaceable>

17
man/userdel.8.xml
View File

@ -154,6 +154,23 @@
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-P</option>, <option>--prefix</option>&nbsp;<replaceable>PREFIX_DIR</replaceable>
</term>
<listitem>
<para>
Apply changes in the <replaceable>PREFIX_DIR</replaceable>
directory and use the configuration files from the
<replaceable>PREFIX_DIR</replaceable> directory.
This option does not chroot and is intended for preparing
a cross-compilation target.
Some limitations: NIS and LDAP users/groups are not verified.
PAM authentication is using the host files.
No SELINUX support.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-Z</option>, <option>--selinux-user</option>

17
man/usermod.8.xml
View File

@ -319,6 +319,23 @@
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-P</option>, <option>--prefix</option>&nbsp;<replaceable>PREFIX_DIR</replaceable>
</term>
<listitem>
<para>
Apply changes in the <replaceable>PREFIX_DIR</replaceable>
directory and use the configuration files from the
<replaceable>PREFIX_DIR</replaceable> directory.
This option does not chroot and is intended for preparing
a cross-compilation target.
Some limitations: NIS and LDAP users/groups are not verified.
PAM authentication is using the host files.
No SELINUX support.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>
<option>-s</option>, <option>--shell</option>&nbsp;<replaceable>SHELL</replaceable>

13
src/groupadd.c
View File

@ -77,6 +77,8 @@ static gid_t group_id;
static /*@null@*/char *group_passwd;
static /*@null@*/char *empty_list = NULL;
static const char *prefix = "";
static bool oflg = false; /* permit non-unique group ID to be specified with -g */
static bool gflg = false; /* ID value for the new group */
static bool fflg = false; /* if group already exists, do nothing and exit(0) */
@ -123,6 +125,7 @@ static /*@noreturn@*/void usage (int status)
(void) fputs (_(" -p, --password PASSWORD use this encrypted password for the new group\n"), usageout);
(void) fputs (_(" -r, --system create a system account\n"), usageout);
(void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout);
(void) fputs (_(" -P, --prefix PREFIX_DIR directory prefix\n"), usageout);
(void) fputs ("\n", usageout);
exit (status);
}
@ -386,10 +389,11 @@ static void process_flags (int argc, char **argv)
{"password", required_argument, NULL, 'p'},
{"system", no_argument, NULL, 'r'},
{"root", required_argument, NULL, 'R'},
{"prefix", required_argument, NULL, 'P'},
{NULL, 0, NULL, '\0'}
};
while ((c = getopt_long (argc, argv, "fg:hK:op:rR:",
while ((c = getopt_long (argc, argv, "fg:hK:op:rR:P:",
long_options, NULL)) != -1) {
switch (c) {
case 'f':
@ -446,6 +450,8 @@ static void process_flags (int argc, char **argv)
break;
case 'R': /* no-op, handled in process_root_flag () */
break;
case 'P': /* no-op, handled in process_prefix_flag () */
break;
default:
usage (E_USAGE);
}
@ -480,7 +486,7 @@ static void check_flags (void)
* Check if the group already exist.
*/
/* local, no need for xgetgrnam */
if (getgrnam (group_name) != NULL) {
if (prefix_getgrnam (group_name) != NULL) {
/* The group already exist */
if (fflg) {
/* OK, no need to do anything */
@ -492,7 +498,7 @@ static void check_flags (void)
exit (E_NAME_IN_USE);
}
if (gflg && (getgrgid (group_id) != NULL)) {
if (gflg && (prefix_getgrgid (group_id) != NULL)) {
/* A GID was specified, and a group already exist with that GID
* - either we will use this GID anyway (-o)
* - either we ignore the specified GID and
@ -578,6 +584,7 @@ int main (int argc, char **argv)
(void) textdomain (PACKAGE);
process_root_flag ("-R", argc, argv);
prefix = process_prefix_flag ("-P", argc, argv);
OPENLOG ("groupadd");
#ifdef WITH_AUDIT

17
src/groupdel.c
View File

@ -62,6 +62,8 @@ static char *group_name;
static gid_t group_id = -1;
static bool check_group_busy = true;
static const char* prefix = "";
#ifdef SHADOWGRP
static bool is_shadow_grp;
#endif
@ -97,6 +99,7 @@ static /*@noreturn@*/void usage (int status)
Prog);
(void) fputs (_(" -h, --help display this help message and exit\n"), usageout);
(void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout);
(void) fputs (_(" -P, --prefix PREFIX_DIR prefix directory where are located the /etc/* files\n"), usageout);
(void) fputs (_(" -f, --force delete group even if it is the primary group of a user\n"), usageout);
(void) fputs ("\n", usageout);
exit (status);
@ -283,11 +286,11 @@ static void group_busy (gid_t gid)
* Nice slow linear search.
*/
setpwent ();
prefix_setpwent ();
while ( ((pwd = getpwent ()) != NULL) && (pwd->pw_gid != gid) );
while ( ((pwd = prefix_getpwent ()) != NULL) && (pwd->pw_gid != gid) );
endpwent ();
prefix_endpwent ();
/*
* If pwd isn't NULL, it stopped because the gid's matched.
@ -320,10 +323,11 @@ static void process_flags (int argc, char **argv)
static struct option long_options[] = {
{"help", no_argument, NULL, 'h'},
{"root", required_argument, NULL, 'R'},
{"prefix", required_argument, NULL, 'P'},
{NULL, 0, NULL, '\0'}
};
while ((c = getopt_long (argc, argv, "hfR:",
while ((c = getopt_long (argc, argv, "hfR:P:",
long_options, NULL)) != -1) {
switch (c) {
case 'h':
@ -331,6 +335,8 @@ static void process_flags (int argc, char **argv)
/*@notreached@*/break;
case 'R': /* no-op, handled in process_root_flag () */
break;
case 'P': /* no-op, handled in process_prefix_flag () */
break;
case 'f':
check_group_busy = false;
break;
@ -374,6 +380,7 @@ int main (int argc, char **argv)
(void) textdomain (PACKAGE);
process_root_flag ("-R", argc, argv);
prefix = process_prefix_flag ("-P", argc, argv);
OPENLOG ("groupdel");
#ifdef WITH_AUDIT
@ -434,7 +441,7 @@ int main (int argc, char **argv)
/*
* Start with a quick check to see if the group exists.
*/
grp = getgrnam (group_name); /* local, no need for xgetgrnam */
grp = prefix_getgrnam (group_name); /* local, no need for xgetgrnam */
if (NULL == grp) {
fprintf (stderr,
_("%s: group '%s' does not exist\n"),

19
src/groupmod.c
View File

@ -80,6 +80,8 @@ static char *group_passwd;
static gid_t group_id;
static gid_t group_newid;
static const char* prefix = "";
static struct cleanup_info_mod info_passwd;
static struct cleanup_info_mod info_group;
#ifdef SHADOWGRP
@ -128,6 +130,7 @@ static void usage (int status)
(void) fputs (_(" -p, --password PASSWORD change the password to this (encrypted)\n"
" PASSWORD\n"), usageout);
(void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout);
(void) fputs (_(" -P, --prefix PREFIX_DIR prefix directory where are located the /etc/* files\n"), usageout);
(void) fputs ("\n", usageout);
exit (status);
}
@ -340,7 +343,7 @@ static void check_new_name (void)
* If the entry is found, too bad.
*/
/* local, no need for xgetgrnam */
if (getgrnam (group_newname) != NULL) {
if (prefix_getgrnam (group_newname) != NULL) {
fprintf (stderr,
_("%s: group '%s' already exists\n"),
Prog, group_newname);
@ -376,9 +379,10 @@ static void process_flags (int argc, char **argv)
{"non-unique", no_argument, NULL, 'o'},
{"password", required_argument, NULL, 'p'},
{"root", required_argument, NULL, 'R'},
{"prefix", required_argument, NULL, 'P'},
{NULL, 0, NULL, '\0'}
};
while ((c = getopt_long (argc, argv, "g:hn:op:R:",
while ((c = getopt_long (argc, argv, "g:hn:op:R:P:",
long_options, NULL)) != -1) {
switch (c) {
case 'g':
@ -407,6 +411,8 @@ static void process_flags (int argc, char **argv)
break;
case 'R': /* no-op, handled in process_root_flag () */
break;
case 'P': /* no-op, handled in process_prefix_flag () */
break;
default:
usage (E_USAGE);
}
@ -697,8 +703,8 @@ void update_primary_groups (gid_t ogid, gid_t ngid)
{
struct passwd *pwd;
setpwent ();
while ((pwd = getpwent ()) != NULL) {
prefix_setpwent ();
while ((pwd = prefix_getpwent ()) != NULL) {
if (pwd->pw_gid == ogid) {
const struct passwd *lpwd;
struct passwd npwd;
@ -720,7 +726,7 @@ void update_primary_groups (gid_t ogid, gid_t ngid)
}
}
}
endpwent ();
prefix_endpwent ();
}
/*
@ -746,6 +752,7 @@ int main (int argc, char **argv)
(void) textdomain (PACKAGE);
process_root_flag ("-R", argc, argv);
prefix = process_prefix_flag ("-P", argc, argv);
OPENLOG ("groupmod");
#ifdef WITH_AUDIT
@ -805,7 +812,7 @@ int main (int argc, char **argv)
/*
* Start with a quick check to see if the group exists.
*/
grp = getgrnam (group_name); /* local, no need for xgetgrnam */
grp = prefix_getgrnam (group_name); /* local, no need for xgetgrnam */
if (NULL == grp) {
fprintf (stderr,
_("%s: group '%s' does not exist\n"),

140
src/useradd.c
View File

@ -115,6 +115,10 @@ static const char *user_comment = "";
static const char *user_home = "";
static const char *user_shell = "";
static const char *create_mail_spool = "";
static const char *prefix = "";
static const char *prefix_user_home = NULL;
#ifdef WITH_SELINUX
static /*@notnull@*/const char *user_selinux = "";
#endif /* WITH_SELINUX */
@ -226,11 +230,11 @@ static void create_mail (void);
static void fail_exit (int code)
{
if (home_added) {
if (rmdir (user_home) != 0) {
if (rmdir (prefix_user_home) != 0) {
fprintf (stderr,
_("%s: %s was created, but could not be removed\n"),
Prog, user_home);
SYSLOG ((LOG_ERR, "failed to remove %s", user_home));
Prog, prefix_user_home);
SYSLOG ((LOG_ERR, "failed to remove %s", prefix_user_home));
}
}
@ -339,14 +343,25 @@ static void fail_exit (int code)
static void get_defaults (void)
{
FILE *fp;
char* default_file = USER_DEFAULTS_FILE;
char buf[1024];
char *cp;
if(prefix[0]) {
size_t len;
int wlen;
len = strlen(prefix) + strlen(USER_DEFAULTS_FILE) + 2;
default_file = malloc(len);
wlen = snprintf(default_file, len, "%s/%s", prefix, USER_DEFAULTS_FILE);
assert (wlen == (int) len -1);
}
/*
* Open the defaults file for reading.
*/
fp = fopen (USER_DEFAULTS_FILE, "r");
fp = fopen (default_file, "r");
if (NULL == fp) {
return;
}
@ -372,14 +387,14 @@ static void get_defaults (void)
* Primary GROUP identifier
*/
if (MATCH (buf, DGROUP)) {
const struct group *grp = getgr_nam_gid (cp);
const struct group *grp = prefix_getgr_nam_gid (cp);
if (NULL == grp) {
fprintf (stderr,
_("%s: group '%s' does not exist\n"),
Prog, cp);
fprintf (stderr,
_("%s: the %s configuration in %s will be ignored\n"),
Prog, DGROUP, USER_DEFAULTS_FILE);
Prog, DGROUP, default_file);
} else {
def_group = grp->gr_gid;
def_gname = xstrdup (grp->gr_name);
@ -411,7 +426,7 @@ static void get_defaults (void)
Prog, cp);
fprintf (stderr,
_("%s: the %s configuration in %s will be ignored\n"),
Prog, DINACT, USER_DEFAULTS_FILE);
Prog, DINACT, default_file);
def_inactive = -1;
}
}
@ -431,8 +446,21 @@ static void get_defaults (void)
cp = SKEL_DIR; /* XXX warning: const */
}
if(prefix[0]) {
size_t len;
int wlen;
char* _def_template; /* avoid const warning */
len = strlen(prefix) + strlen(cp) + 2;
_def_template = xmalloc(len);
wlen = snprintf(_def_template, len, "%s/%s", prefix, cp);
assert (wlen == (int) len -1);
def_template = _def_template;
}
else {
def_template = xstrdup (cp);
}
}
/*
* Create by default user mail spool or not ?
@ -446,6 +474,10 @@ static void get_defaults (void)
}
}
(void) fclose (fp);
if(prefix[0]) {
free(default_file);
}
}
/*
@ -477,7 +509,8 @@ static int set_defaults (void)
FILE *ifp;
FILE *ofp;
char buf[1024];
static char new_file[] = NEW_USER_FILE;
char* new_file = NEW_USER_FILE;
char* default_file = USER_DEFAULTS_FILE;
char *cp;
int ofd;
int wlen;
@ -489,6 +522,20 @@ static int set_defaults (void)
bool out_skel = false;
bool out_create_mail_spool = false;
if(prefix[0]) {
size_t len;
len = strlen(prefix) + strlen(NEW_USER_FILE) + 2;
new_file = malloc(len);
wlen = snprintf(new_file, len, "%s/%s", prefix, NEW_USER_FILE);
assert (wlen == (int) len -1);
len = strlen(prefix) + strlen(USER_DEFAULTS_FILE) + 2;
default_file = malloc(len);
wlen = snprintf(default_file, len, "%s/%s", prefix, USER_DEFAULTS_FILE);
assert (wlen == (int) len -1);
}
/*
* Create a temporary file to copy the new output to.
*/
@ -513,7 +560,7 @@ static int set_defaults (void)
* temporary file, using any new values. Each line is checked
* to insure that it is not output more than once.
*/
ifp = fopen (USER_DEFAULTS_FILE, "r");
ifp = fopen (default_file, "r");
if (NULL == ifp) {
fprintf (ofp, "# useradd defaults file\n");
goto skip;
@ -530,7 +577,7 @@ static int set_defaults (void)
if (feof (ifp) == 0) {
fprintf (stderr,
_("%s: line too long in %s: %s..."),
Prog, USER_DEFAULTS_FILE, buf);
Prog, default_file, buf);
(void) fclose (ifp);
return -1;
}
@ -602,10 +649,10 @@ static int set_defaults (void)
/*
* Rename the current default file to its backup name.
*/
wlen = snprintf (buf, sizeof buf, "%s-", USER_DEFAULTS_FILE);
wlen = snprintf (buf, sizeof buf, "%s-", default_file);
assert (wlen < (int) sizeof buf);
unlink (buf);
if ((link (USER_DEFAULTS_FILE, buf) != 0) && (ENOENT != errno)) {
if ((link (default_file, buf) != 0) && (ENOENT != errno)) {
int err = errno;
fprintf (stderr,
_("%s: Cannot create backup file (%s): %s\n"),
@ -617,7 +664,7 @@ static int set_defaults (void)
/*
* Rename the new default file to its correct name.
*/
if (rename (new_file, USER_DEFAULTS_FILE) != 0) {
if (rename (new_file, default_file) != 0) {
int err = errno;
fprintf (stderr,
_("%s: rename: %s: %s\n"),
@ -636,6 +683,12 @@ static int set_defaults (void)
(unsigned int) def_group, def_home, def_shell,
def_inactive, def_expire, def_template,
def_create_mail_spool));
if(prefix[0]) {
free(new_file);
free(default_file);
}
return 0;
}
@ -675,7 +728,7 @@ static int get_groups (char *list)
* Names starting with digits are treated as numerical
* GID values, otherwise the string is looked up as is.
*/
grp = getgr_nam_gid (list);
grp = prefix_getgr_nam_gid (list);
/*
* There must be a match, either by GID value or by
@ -775,6 +828,7 @@ static void usage (int status)
(void) fputs (_(" -p, --password PASSWORD encrypted password of the new account\n"), usageout);
(void) fputs (_(" -r, --system create a system account\n"), usageout);
(void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout);
(void) fputs (_(" -P, --prefix PREFIX_DIR prefix directory where are located the /etc/* files\n"), usageout);
(void) fputs (_(" -s, --shell SHELL login shell of the new account\n"), usageout);
(void) fputs (_(" -u, --uid UID user ID of the new account\n"), usageout);
(void) fputs (_(" -U, --user-group create a group with the same name as the user\n"), usageout);
@ -1049,6 +1103,7 @@ static void process_flags (int argc, char **argv)
{"password", required_argument, NULL, 'p'},
{"system", no_argument, NULL, 'r'},
{"root", required_argument, NULL, 'R'},
{"prefix", required_argument, NULL, 'P'},
{"shell", required_argument, NULL, 's'},
{"uid", required_argument, NULL, 'u'},
{"user-group", no_argument, NULL, 'U'},
@ -1059,9 +1114,9 @@ static void process_flags (int argc, char **argv)
};
while ((c = getopt_long (argc, argv,
#ifdef WITH_SELINUX
"b:c:d:De:f:g:G:hk:K:lmMNop:rR:s:u:UZ:",
"b:c:d:De:f:g:G:hk:K:lmMNop:rR:P:s:u:UZ:",
#else /* !WITH_SELINUX */
"b:c:d:De:f:g:G:hk:K:lmMNop:rR:s:u:U",
"b:c:d:De:f:g:G:hk:K:lmMNop:rR:P:s:u:U",
#endif /* !WITH_SELINUX */
long_options, NULL)) != -1) {
switch (c) {
@ -1152,7 +1207,7 @@ static void process_flags (int argc, char **argv)
fflg = true;
break;
case 'g':
grp = getgr_nam_gid (optarg);
grp = prefix_getgr_nam_gid (optarg);
if (NULL == grp) {
fprintf (stderr,
_("%s: group '%s' does not exist\n"),
@ -1232,6 +1287,8 @@ static void process_flags (int argc, char **argv)
break;
case 'R': /* no-op, handled in process_root_flag () */
break;
case 'P': /* no-op, handled in process_prefix_flag () */
break;
case 's':
if ( ( !VALID (optarg) )
|| ( ('\0' != optarg[0])
@ -1261,6 +1318,12 @@ static void process_flags (int argc, char **argv)
break;
#ifdef WITH_SELINUX
case 'Z':
if (prefix[0]) {
fprintf (stderr,
_("%s: -Z cannot be used with --prefix\n"),
Prog);
exit (E_BAD_ARG);
}
if (is_selinux_enabled () > 0) {
user_selinux = optarg;
} else {
@ -1360,6 +1423,18 @@ static void process_flags (int argc, char **argv)
user_home = uh;
}
if(prefix[0]) {
size_t len = strlen(prefix) + strlen(user_home) + 2;
int wlen;
char* _prefix_user_home; /* to avoid const warning */
_prefix_user_home = xmalloc(len);
wlen = snprintf(_prefix_user_home, len, "%s/%s", prefix, user_home);
assert (wlen == (int) len -1);
prefix_user_home = _prefix_user_home;
}
else {
prefix_user_home = user_home;
}
}
if (!eflg) {
@ -1872,7 +1947,7 @@ static void usr_update (void)
* are left unchanged). --marekm
*/
/* local, no need for xgetpwuid */
if ((!lflg) && (getpwuid (user_id) == NULL)) {
if ((!lflg) && (prefix_getpwuid (user_id) == NULL)) {
faillog_reset (user_id);
lastlog_reset (user_id);
}
@ -1942,9 +2017,9 @@ static void usr_update (void)
*/
static void create_home (void)
{
if (access (user_home, F_OK) != 0) {
if (access (prefix_user_home, F_OK) != 0) {
#ifdef WITH_SELINUX
if (set_selinux_file_context (user_home) != 0) {
if (set_selinux_file_context (prefix_user_home) != 0) {
fprintf (stderr,
_("%s: cannot set SELinux context for home directory %s\n"),
Prog, user_home);
@ -1952,10 +2027,10 @@ static void create_home (void)
}
#endif
/* XXX - create missing parent directories. --marekm */
if (mkdir (user_home, 0) != 0) {
if (mkdir (prefix_user_home, 0) != 0) {
fprintf (stderr,
_("%s: cannot create directory %s\n"),
Prog, user_home);
Prog, prefix_user_home);
#ifdef WITH_AUDIT
audit_logger (AUDIT_ADD_USER, Prog,
"adding home directory",
@ -1964,8 +2039,8 @@ static void create_home (void)
#endif
fail_exit (E_HOMEDIR);
}
chown (user_home, user_id, user_gid);
chmod (user_home,
(void) chown (prefix_user_home, user_id, user_gid);
chmod (prefix_user_home,
0777 & ~getdef_num ("UMASK", GETDEF_DEFAULT_UMASK));
home_added = true;
#ifdef WITH_AUDIT
@ -2007,7 +2082,10 @@ static void create_mail (void)
if (NULL == spool) {
spool = "/var/mail";
}
file = alloca (strlen (spool) + strlen (user_name) + 2);
file = alloca (strlen (prefix) + strlen (spool) + strlen (user_name) + 2);
if(prefix[0])
sprintf (file, "%s/%s/%s", prefix, spool, user_name);
else
sprintf (file, "%s/%s", spool, user_name);
fd = open (file, O_CREAT | O_WRONLY | O_TRUNC | O_EXCL, 0);
if (fd < 0) {
@ -2015,7 +2093,7 @@ static void create_mail (void)
return;
}
gr = getgrnam ("mail"); /* local, no need for xgetgrnam */
gr = prefix_getgrnam ("mail"); /* local, no need for xgetgrnam */
if (NULL == gr) {
fputs (_("Group 'mail' not found. Creating the user mailbox file with 0600 mode.\n"),
stderr);
@ -2064,6 +2142,8 @@ int main (int argc, char **argv)
process_root_flag ("-R", argc, argv);
prefix = process_prefix_flag("-P", argc, argv);
OPENLOG ("useradd");
#ifdef WITH_AUDIT
audit_help_open ();
@ -2147,7 +2227,7 @@ int main (int argc, char **argv)
/*
* Start with a quick check to see if the user exists.
*/
if (getpwnam (user_name) != NULL) { /* local, no need for xgetpwnam */
if (prefix_getpwnam (user_name) != NULL) { /* local, no need for xgetpwnam */
fprintf (stderr, _("%s: user '%s' already exists\n"), Prog, user_name);
#ifdef WITH_AUDIT
audit_logger (AUDIT_ADD_USER, Prog,
@ -2166,7 +2246,7 @@ int main (int argc, char **argv)
*/
if (Uflg) {
/* local, no need for xgetgrnam */
if (getgrnam (user_name) != NULL) {
if (prefix_getgrnam (user_name) != NULL) {
fprintf (stderr,
_("%s: group %s exists - if you want to add this user to that group, use -g.\n"),
Prog, user_name);
@ -2201,7 +2281,7 @@ int main (int argc, char **argv)
fail_exit (E_UID_IN_USE);
}
} else {
if (getpwuid (user_id) != NULL) {
if (prefix_getpwuid (user_id) != NULL) {
fprintf (stderr,
_("%s: UID %lu is not unique\n"),
Prog, (unsigned long) user_id);
@ -2264,7 +2344,7 @@ int main (int argc, char **argv)
if (mflg) {
create_home ();
if (home_added) {
copy_tree (def_template, user_home, false, false,
copy_tree (def_template, prefix_user_home, false, false,
(uid_t)-1, user_id, (gid_t)-1, user_gid);
} else {
fprintf (stderr,

63
src/userdel.c
View File

@ -34,6 +34,7 @@
#ident "$Id$"
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
@ -113,6 +114,8 @@ static bool sub_uid_locked = false;
static bool sub_gid_locked = false;
#endif /* ENABLE_SUBIDS */
static const char* prefix = "";
/* local function prototypes */
static void usage (int status);
static void update_groups (void);
@ -149,6 +152,7 @@ static void usage (int status)
(void) fputs (_(" -h, --help display this help message and exit\n"), usageout);
(void) fputs (_(" -r, --remove remove home directory and mail spool\n"), usageout);
(void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout);
(void) fputs (_(" -P, --prefix PREFIX_DIR prefix directory where are located the /etc/* files\n"), usageout);
#ifdef WITH_SELINUX
(void) fputs (_(" -Z, --selinux-user remove any SELinux user mapping for the user\n"), usageout);
#endif /* WITH_SELINUX */
@ -326,8 +330,8 @@ static void remove_usergroup (void)
* Scan the passwd file to check if this group is still
* used as a primary group.
*/
setpwent ();
while ((pwd = getpwent ()) != NULL) {
prefix_setpwent ();
while ((pwd = prefix_getpwent ()) != NULL) {
if (strcmp (pwd->pw_name, user_name) == 0) {
continue;
}
@ -338,7 +342,7 @@ static void remove_usergroup (void)
break;
}
}
endpwent ();
prefix_endpwent ();
}
if (NULL == pwd) {
@ -814,9 +818,10 @@ static int is_owner (uid_t uid, const char *path)
static int remove_mailbox (void)
{
const char *maildir;
char mailfile[1024];
char* mailfile;
int i;
int errors = 0;
size_t len;
maildir = getdef_str ("MAIL_DIR");
#ifdef MAIL_SPOOL_DIR
@ -827,7 +832,19 @@ static int remove_mailbox (void)
if (NULL == maildir) {
return 0;
}
snprintf (mailfile, sizeof mailfile, "%s/%s", maildir, user_name);
len = strlen (prefix) + strlen (maildir) + strlen (user_name) + 2;
mailfile = alloca (len);
if (prefix[0]) {
(void) snprintf (mailfile, len, "%s/%s/%s",
prefix, maildir, user_name);
}
else {
(void) snprintf (mailfile, len, "%s/%s",
maildir, user_name);
}
mailfile[len-1] = '\0';
if (access (mailfile, F_OK) != 0) {
if (ENOENT == errno) {
@ -990,6 +1007,7 @@ int main (int argc, char **argv)
(void) textdomain (PACKAGE);
process_root_flag ("-R", argc, argv);
prefix = process_prefix_flag ("-P", argc, argv);
OPENLOG ("userdel");
#ifdef WITH_AUDIT
@ -1006,6 +1024,7 @@ int main (int argc, char **argv)
{"help", no_argument, NULL, 'h'},
{"remove", no_argument, NULL, 'r'},
{"root", required_argument, NULL, 'R'},
{"prefix", required_argument, NULL, 'P'},
#ifdef WITH_SELINUX
{"selinux-user", no_argument, NULL, 'Z'},
#endif /* WITH_SELINUX */
@ -1013,9 +1032,9 @@ int main (int argc, char **argv)
};
while ((c = getopt_long (argc, argv,
#ifdef WITH_SELINUX
"fhrR:Z",
"fhrR:P:Z",
#else /* !WITH_SELINUX */
"fhrR:",
"fhrR:P:",
#endif /* !WITH_SELINUX */
long_options, NULL)) != -1) {
switch (c) {
@ -1030,8 +1049,16 @@ int main (int argc, char **argv)
break;
case 'R': /* no-op, handled in process_root_flag () */
break;
case 'P': /* no-op, handled in process_prefix_flag () */
break;
#ifdef WITH_SELINUX
case 'Z':
if (prefix[0]) {
fprintf (stderr,
_("%s: -Z cannot be used with --prefix\n"),
Prog);
exit (E_BAD_ARG);
}
if (is_selinux_enabled () > 0) {
Zflg = true;
} else {
@ -1104,7 +1131,7 @@ int main (int argc, char **argv)
user_name = argv[argc - 1];
{
struct passwd *pwd;
pwd = getpwnam (user_name); /* local, no need for xgetpwnam */
pwd = prefix_getpwnam (user_name); /* local, no need for xgetpwnam */
if (NULL == pwd) {
fprintf (stderr, _("%s: user '%s' does not exist\n"),
Prog, user_name);
@ -1118,8 +1145,19 @@ int main (int argc, char **argv)
}
user_id = pwd->pw_uid;
user_gid = pwd->pw_gid;
if(prefix[0]) {
size_t len = strlen(prefix) + strlen(pwd->pw_dir) + 2;
int wlen;
user_home = xmalloc(len);
wlen = snprintf(user_home, len, "%s/%s", prefix, pwd->pw_dir);
assert (wlen == (int) len -1);
}
else {
user_home = xstrdup (pwd->pw_dir);
}
}
#ifdef WITH_TCB
if (shadowtcb_set_user (user_name) == SHADOWTCB_FAILURE) {
exit (E_NOTFOUND);
@ -1150,7 +1188,7 @@ int main (int argc, char **argv)
* Note: This is a best effort basis. The user may log in between,
* a cron job may be started on her behalf, etc.
*/
if (user_busy (user_name, user_id) != 0) {
if ((prefix[0] == '\0') && user_busy (user_name, user_id) != 0) {
if (!fflg) {
#ifdef WITH_AUDIT
audit_logger (AUDIT_DEL_USER, Prog,
@ -1201,8 +1239,8 @@ int main (int argc, char **argv)
* prevent accidents if someone has /home or / as home
* directory... --marekm
*/
setpwent ();
while ((pwd = getpwent ())) {
prefix_setpwent ();
while ((pwd = prefix_getpwent ())) {
if (strcmp (pwd->pw_name, user_name) == 0) {
continue;
}
@ -1216,7 +1254,7 @@ int main (int argc, char **argv)
break;
}
}
endpwent ();
prefix_endpwent ();
}
#endif /* EXTRA_CHECK_HOME_DIR */
@ -1268,6 +1306,7 @@ int main (int argc, char **argv)
* Cancel any crontabs or at jobs. Have to do this before we remove
* the entry from /etc/passwd.
*/
if(prefix[0] == '\0')
user_cancel (user_name);
close_files ();

98
src/usermod.c
View File

@ -34,6 +34,7 @@
#ident "$Id$"
#include <assert.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
@ -124,6 +125,10 @@ static long user_newinactive;
static long sys_ngroups;
static char **user_groups; /* NULL-terminated list */
static const char* prefix = "";
static char* prefix_user_home = NULL;
static char* prefix_user_newhome = NULL;
static bool
aflg = false, /* append to existing secondary group set */
cflg = false, /* new comment (GECOS) field */
@ -264,7 +269,7 @@ static int get_groups (char *list)
* Names starting with digits are treated as numerical GID
* values, otherwise the string is looked up as is.
*/
grp = getgr_nam_gid (list);
grp = prefix_getgr_nam_gid (list);
/*
* There must be a match, either by GID value or by
@ -420,6 +425,7 @@ static /*@noreturn@*/void usage (int status)
(void) fputs (_(" -o, --non-unique allow using duplicate (non-unique) UID\n"), usageout);
(void) fputs (_(" -p, --password PASSWORD use encrypted password for the new password\n"), usageout);
(void) fputs (_(" -R, --root CHROOT_DIR directory to chroot into\n"), usageout);
(void) fputs (_(" -P, --prefix PREFIX_DIR prefix directory where are located the /etc/* files\n"), usageout);
(void) fputs (_(" -s, --shell SHELL new login shell for the user account\n"), usageout);
(void) fputs (_(" -u, --uid UID new UID for the user account\n"), usageout);
(void) fputs (_(" -U, --unlock unlock the user account\n"), usageout);
@ -997,6 +1003,7 @@ static void process_flags (int argc, char **argv)
{"non-unique", no_argument, NULL, 'o'},
{"password", required_argument, NULL, 'p'},
{"root", required_argument, NULL, 'R'},
{"prefix", required_argument, NULL, 'P'},
{"shell", required_argument, NULL, 's'},
{"uid", required_argument, NULL, 'u'},
{"unlock", no_argument, NULL, 'U'},
@ -1012,7 +1019,7 @@ static void process_flags (int argc, char **argv)
{NULL, 0, NULL, '\0'}
};
while ((c = getopt_long (argc, argv,
"ac:d:e:f:g:G:hl:Lmop:R:s:u:U"
"ac:d:e:f:g:G:hl:Lmop:R:s:u:UP:"
#ifdef ENABLE_SUBIDS
"v:w:V:W:"
#endif /* ENABLE_SUBIDS */
@ -1114,6 +1121,8 @@ static void process_flags (int argc, char **argv)
break;
case 'R': /* no-op, handled in process_root_flag () */
break;
case 'P': /* no-op, handled in process_prefix_flag () */
break;
case 's':
if (!VALID (optarg)) {
fprintf (stderr,
@ -1177,6 +1186,12 @@ static void process_flags (int argc, char **argv)
#endif /* ENABLE_SUBIDS */
#ifdef WITH_SELINUX
case 'Z':
if (prefix[0]) {
fprintf (stderr,
_("%s: -Z cannot be used with --prefix\n"),
Prog);
exit (E_BAD_ARG);
}
if (is_selinux_enabled () > 0) {
user_selinux = optarg;
Zflg = true;
@ -1204,7 +1219,7 @@ static void process_flags (int argc, char **argv)
{
const struct passwd *pwd;
/* local, no need for xgetpwnam */
pwd = getpwnam (user_name);
pwd = prefix_getpwnam (user_name);
if (NULL == pwd) {
fprintf (stderr,
_("%s: user '%s' does not exist\n"),
@ -1230,6 +1245,22 @@ static void process_flags (int argc, char **argv)
if (!gflg) {
user_newgid = user_gid;
}
if(prefix[0]) {
size_t len = strlen(prefix) + strlen(user_home) + 2;
int wlen;
prefix_user_home = xmalloc(len);
wlen = snprintf(prefix_user_home, len, "%s/%s", prefix, user_home);
assert (wlen == (int) len -1);
len = strlen(prefix) + strlen(user_newhome) + 2;
prefix_user_newhome = xmalloc(len);
wlen = snprintf(prefix_user_newhome, len, "%s/%s", prefix, user_newhome);
assert (wlen == (int) len -1);
}
else {
prefix_user_home = user_home;
prefix_user_newhome = user_newhome;
}
#ifdef USE_NIS
/*
@ -1256,7 +1287,7 @@ static void process_flags (int argc, char **argv)
{
const struct spwd *spwd = NULL;
/* local, no need for xgetspnam */
if (is_shadow_pwd && ((spwd = getspnam (user_name)) != NULL)) {
if (is_shadow_pwd && ((spwd = prefix_getspnam (user_name)) != NULL)) {
user_expire = spwd->sp_expire;
user_inactive = spwd->sp_inact;
}
@ -1346,7 +1377,7 @@ static void process_flags (int argc, char **argv)
}
/* local, no need for xgetpwnam */
if (lflg && (getpwnam (user_newname) != NULL)) {
if (lflg && (prefix_getpwnam (user_newname) != NULL)) {
fprintf (stderr,
_("%s: user '%s' already exists\n"),
Prog, user_newname);
@ -1354,7 +1385,7 @@ static void process_flags (int argc, char **argv)
}
/* local, no need for xgetpwuid */
if (uflg && !oflg && (getpwuid (user_newid) != NULL)) {
if (uflg && !oflg && (prefix_getpwuid (user_newid) != NULL)) {
fprintf (stderr,
_("%s: UID '%lu' already exists\n"),
Prog, (unsigned long) user_newid);
@ -1731,7 +1762,7 @@ static void move_home (void)
{
struct stat sb;
if (access (user_newhome, F_OK) == 0) {
if (access (prefix_user_newhome, F_OK) == 0) {
/*
* If the new home directory already exist, the user
* should not use -m.
@ -1742,7 +1773,7 @@ static void move_home (void)
fail_exit (E_HOMEDIR);
}
if (stat (user_home, &sb) == 0) {
if (stat (prefix_user_home, &sb) == 0) {
/*
* Don't try to move it if it is not a directory
* (but /dev/null for example). --marekm
@ -1764,11 +1795,11 @@ static void move_home (void)
}
#endif
if (rename (user_home, user_newhome) == 0) {
if (rename (prefix_user_home, prefix_user_newhome) == 0) {
/* FIXME: rename above may have broken symlinks
* pointing to the user's home directory
* with an absolute path. */
if (chown_tree (user_newhome,
if (chown_tree (prefix_user_newhome,
user_id, uflg ? user_newid : (uid_t)-1,
user_gid, gflg ? user_newgid : (gid_t)-1) != 0) {
fprintf (stderr,
@ -1785,16 +1816,16 @@ static void move_home (void)
return;
} else {
if (EXDEV == errno) {
if (copy_tree (user_home, user_newhome, true,
if (copy_tree (prefix_user_home, prefix_user_newhome, true,
true,
user_id,
uflg ? user_newid : (uid_t)-1,
user_gid,
gflg ? user_newgid : (gid_t)-1) == 0) {
if (remove_tree (user_home, true) != 0) {
if (remove_tree (prefix_user_home, true) != 0) {
fprintf (stderr,
_("%s: warning: failed to completely remove old home directory %s"),
Prog, user_home);
Prog, prefix_user_home);
}
#ifdef WITH_AUDIT
audit_logger (AUDIT_USER_CHAUTHTOK,
@ -1807,11 +1838,11 @@ static void move_home (void)
return;
}
(void) remove_tree (user_newhome, true);
(void) remove_tree (prefix_user_newhome, true);
}
fprintf (stderr,
_("%s: cannot rename directory %s to %s\n"),
Prog, user_home, user_newhome);
Prog, prefix_user_home, prefix_user_newhome);
fail_exit (E_HOMEDIR);
}
}
@ -1949,9 +1980,11 @@ static void update_faillog (void)
static void move_mailbox (void)
{
const char *maildir;
char mailfile[1024], newmailfile[1024];
char* mailfile;
char* newmailfile;
int fd;
struct stat st;
size_t len;
maildir = getdef_str ("MAIL_DIR");
#ifdef MAIL_SPOOL_DIR
@ -1962,6 +1995,8 @@ static void move_mailbox (void)
if (NULL == maildir) {
return;
}
len = strlen (prefix) + strlen (maildir) + strlen (user_name) + 2;
mailfile = alloca (len);
/*
* O_NONBLOCK is to make sure open won't hang on mandatory locks.
@ -1969,9 +2004,16 @@ static void move_mailbox (void)
* replacing /var/spool/mail/luser with a hard link to /etc/passwd
* between stat and chown). --marekm
*/
(void) snprintf (mailfile, sizeof mailfile, "%s/%s",
if (prefix[0]) {
(void) snprintf (mailfile, len, "%s/%s/%s",
prefix, maildir, user_name);
}
else {
(void) snprintf (mailfile, len, "%s/%s",
maildir, user_name);
mailfile[(sizeof mailfile) - 1] = '\0';
}
mailfile[len-1] = '\0';
fd = open (mailfile, O_RDONLY | O_NONBLOCK, 0);
if (fd < 0) {
/* no need for warnings if the mailbox doesn't exist */
@ -2008,9 +2050,17 @@ static void move_mailbox (void)
(void) close (fd);
if (lflg) {
(void) snprintf (newmailfile, sizeof newmailfile, "%s/%s",
len = strlen (prefix) + strlen (maildir) + strlen (user_newname) + 2;
newmailfile = alloca(len);
if (prefix[0]) {
(void) snprintf (newmailfile, len, "%s/%s/%s",
prefix, maildir, user_newname);
}
else {
(void) snprintf (newmailfile, len, "%s/%s",
maildir, user_newname);
newmailfile[(sizeof newmailfile) - 1] = '\0';
}
newmailfile[len - 1] = '\0';
if ( (link (mailfile, newmailfile) != 0)
|| (unlink (mailfile) != 0)) {
perror (_("failed to rename mailbox"));
@ -2048,6 +2098,7 @@ int main (int argc, char **argv)
(void) textdomain (PACKAGE);
process_root_flag ("-R", argc, argv);
prefix = process_prefix_flag ("-P", argc, argv);
OPENLOG ("usermod");
#ifdef WITH_AUDIT
@ -2072,8 +2123,9 @@ int main (int argc, char **argv)
/*
* The home directory, the username and the user's UID should not
* be changed while the user is logged in.
* Note: no need to check if a prefix is specified...
*/
if ( (uflg || lflg || dflg
if ( (prefix[0] == '\0') && (uflg || lflg || dflg
#ifdef ENABLE_SUBIDS
|| Vflg || Wflg
#endif /* ENABLE_SUBIDS */
@ -2250,7 +2302,7 @@ int main (int argc, char **argv)
}
if (!mflg && (uflg || gflg)) {
if (access (dflg ? user_newhome : user_home, F_OK) == 0) {
if (access (dflg ? prefix_user_newhome : prefix_user_home, F_OK) == 0) {
/*
* Change the UID on all of the files owned by
* `user_id' to `user_newid' in the user's home
@ -2267,7 +2319,7 @@ int main (int argc, char **argv)
user_newname, (unsigned int) user_newid, 1);
}
#endif
if (chown_tree (dflg ? user_newhome : user_home,
if (chown_tree (dflg ? prefix_user_newhome : prefix_user_home,
user_id,
uflg ? user_newid : (uid_t)-1,
user_gid,