int main(int argc,char**argv)
{
char command[10];
listall=listCreate();
while(1){
fflush(stdout);
print_menu();
printf("input choice:");
scanf("%s",command);
switch(command[0]){
case '0':
exit(0);
break;
case '1':
create_list();
break;
case '2':
delete_list();
break;
case '3':
print_list();
break;
case '4':
insert_list();
break;
case '5':
dup_list();
break;
case '6':
displayall_list();
break;
/* default:
error_handler();
break;
*/
}
}
return 0;
}
static void get_group (struct group *gr)
#endif
{
struct group const*tmpgr = NULL;
#ifdef SHADOWGRP
struct sgrp const*tmpsg = NULL;
#endif
if (gr_open (O_RDONLY) == 0) {
fprintf (stderr, _("%s: cannot open %s\n"), Prog, gr_dbname ());
SYSLOG ((LOG_WARN, "cannot open %s", gr_dbname ()));
exit (E_NOPERM);
}
tmpgr = gr_locate (group);
if (NULL == tmpgr) {
fprintf (stderr,
_("%s: group '%s' does not exist in %s\n"),
Prog, group, gr_dbname ());
exit (E_BAD_ARG);
}
*gr = *tmpgr;
gr->gr_name = xstrdup (tmpgr->gr_name);
gr->gr_passwd = xstrdup (tmpgr->gr_passwd);
gr->gr_mem = dup_list (tmpgr->gr_mem);
if (gr_close () == 0) {
fprintf (stderr,
_("%s: failure while closing read-only %s\n"),
Prog, gr_dbname ());
SYSLOG ((LOG_ERR,
"failure while closing read-only %s",
gr_dbname ()));
exit (E_NOPERM);
}
#ifdef SHADOWGRP
if (is_shadowgrp) {
if (sgr_open (O_RDONLY) == 0) {
fprintf (stderr,
_("%s: cannot open %s\n"),
Prog, sgr_dbname ());
SYSLOG ((LOG_WARN, "cannot open %s", sgr_dbname ()));
exit (E_NOPERM);
}
tmpsg = sgr_locate (group);
if (NULL != tmpsg) {
*sg = *tmpsg;
sg->sg_name = xstrdup (tmpsg->sg_name);
sg->sg_passwd = xstrdup (tmpsg->sg_passwd);
sg->sg_mem = dup_list (tmpsg->sg_mem);
sg->sg_adm = dup_list (tmpsg->sg_adm);
} else {
sg->sg_name = xstrdup (group);
sg->sg_passwd = gr->gr_passwd;
gr->gr_passwd = SHADOW_PASSWD_STRING; /* XXX warning: const */
sg->sg_mem = dup_list (gr->gr_mem);
sg->sg_adm = (char **) xmalloc (sizeof (char *) * 2);
#ifdef FIRST_MEMBER_IS_ADMIN
if (sg->sg_mem[0]) {
sg->sg_adm[0] = xstrdup (sg->sg_mem[0]);
sg->sg_adm[1] = NULL;
} else
#endif
{
sg->sg_adm[0] = NULL;
}
}
if (sgr_close () == 0) {
fprintf (stderr,
_("%s: failure while closing read-only %s\n"),
Prog, sgr_dbname ());
SYSLOG ((LOG_ERR,
"failure while closing read-only %s",
sgr_dbname ()));
exit (E_NOPERM);
}
}
#endif /* SHADOWGRP */
}
int main (int argc, char **argv)
{
char buf[BUFSIZ];
char *name;
char *newpwd;
char *cp;
#ifdef SHADOWGRP
const struct sgrp *sg;
struct sgrp newsg;
#endif
const struct group *gr;
struct group newgr;
int errors = 0;
int line = 0;
Prog = Basename (argv[0]);
(void) setlocale (LC_ALL, "");
(void) bindtextdomain (PACKAGE, LOCALEDIR);
(void) textdomain (PACKAGE);
process_root_flag ("-R", argc, argv);
process_flags (argc, argv);
OPENLOG ("chgpasswd");
check_perms ();
#ifdef SHADOWGRP
is_shadow_grp = sgr_file_present ();
#endif
open_files ();
/*
* Read each line, separating the group name from the password. The
* group entry for each group will be looked up in the appropriate
* file (gshadow or group) and the password changed.
*/
while (fgets (buf, (int) sizeof buf, stdin) != (char *) 0) {
line++;
cp = strrchr (buf, '\n');
if (NULL != cp) {
*cp = '\0';
} else {
fprintf (stderr, _("%s: line %d: line too long\n"),
Prog, line);
errors++;
continue;
}
/*
* The group's name is the first field. It is separated from
* the password with a ":" character which is replaced with a
* NUL to give the new password. The new password will then
* be encrypted in the normal fashion with a new salt
* generated, unless the '-e' is given, in which case it is
* assumed to already be encrypted.
*/
name = buf;
cp = strchr (name, ':');
if (NULL != cp) {
*cp = '\0';
cp++;
} else {
fprintf (stderr,
_("%s: line %d: missing new password\n"),
Prog, line);
errors++;
continue;
}
newpwd = cp;
if ( (!eflg)
&& ( (NULL == crypt_method)
|| (0 != strcmp (crypt_method, "NONE")))) {
void *arg = NULL;
const char *salt;
if (md5flg) {
crypt_method = "MD5";
}
#ifdef USE_SHA_CRYPT
if (sflg) {
arg = &sha_rounds;
}
#endif
salt = crypt_make_salt (crypt_method, arg);
cp = pw_encrypt (newpwd, salt);
if (NULL == cp) {
fprintf (stderr,
_("%s: failed to crypt password with salt '%s': %s\n"),
Prog, salt, strerror (errno));
fail_exit (1);
}
}
/*
* Get the group file entry for this group. The group must
* already exist.
*/
gr = gr_locate (name);
if (NULL == gr) {
fprintf (stderr,
_("%s: line %d: group '%s' does not exist\n"), Prog,
line, name);
errors++;
continue;
}
#ifdef SHADOWGRP
if (is_shadow_grp) {
/* The gshadow entry should be updated if the
* group entry has a password set to 'x'.
* But on the other hand, if there is already both
* a group and a gshadow password, it's preferable
* to update both.
*/
sg = sgr_locate (name);
if ( (NULL == sg)
&& (strcmp (gr->gr_passwd,
SHADOW_PASSWD_STRING) == 0)) {
static char *empty = NULL;
/* If the password is set to 'x' in
* group, but there are no entries in
* gshadow, create one.
*/
newsg.sg_name = name;
/* newsg.sg_passwd = NULL; will be set later */
newsg.sg_adm = ∅
newsg.sg_mem = dup_list (gr->gr_mem);
sg = &newsg;
}
} else {
sg = NULL;
}
#endif
/*
* The freshly encrypted new password is merged into the
* group's entry.
*/
#ifdef SHADOWGRP
if (NULL != sg) {
newsg = *sg;
newsg.sg_passwd = cp;
}
if ( (NULL == sg)
|| (strcmp (gr->gr_passwd, SHADOW_PASSWD_STRING) != 0))
#endif
{
newgr = *gr;
newgr.gr_passwd = cp;
}
/*
* The updated group file entry is then put back and will
* be written to the group file later, after all the
* other entries have been updated as well.
*/
#ifdef SHADOWGRP
if (NULL != sg) {
if (sgr_update (&newsg) == 0) {
fprintf (stderr,
_("%s: line %d: failed to prepare the new %s entry '%s'\n"),
Prog, line, sgr_dbname (), newsg.sg_name);
errors++;
continue;
}
}
if ( (NULL == sg)
|| (strcmp (gr->gr_passwd, SHADOW_PASSWD_STRING) != 0))
#endif
{
if (gr_update (&newgr) == 0) {
fprintf (stderr,
_("%s: line %d: failed to prepare the new %s entry '%s'\n"),
Prog, line, gr_dbname (), newgr.gr_name);
errors++;
continue;
}
}
}
/*
* Any detected errors will cause the entire set of changes to be
* aborted. Unlocking the group file will cause all of the
* changes to be ignored. Otherwise the file is closed, causing the
* changes to be written out all at once, and then unlocked
* afterwards.
*/
if (0 != errors) {
fprintf (stderr,
_("%s: error detected, changes ignored\n"), Prog);
fail_exit (1);
}
close_files ();
nscd_flush_cache ("group");
return (0);
}
suif_map_inner &suif_map_inner::operator =(const suif_map_inner &x)
{
clear();
dup_list(x);
return *this;
}
suif_map_inner::suif_map_inner(const suif_map_inner &x) :
table(0), help(x.help), m_nSize(0)
{
dup_list(x);
}
/*
* grp_update - update group file entries
*
* grp_update() updates the new records in the memory databases.
*/
static void grp_update (void)
{
struct group grp;
const struct group *ogrp;
#ifdef SHADOWGRP
struct sgrp sgrp;
const struct sgrp *osgrp = NULL;
#endif /* SHADOWGRP */
/*
* Get the current settings for this group.
*/
ogrp = gr_locate (group_name);
if (NULL == ogrp) {
fprintf (stderr,
_("%s: group '%s' does not exist in %s\n"),
Prog, group_name, gr_dbname ());
exit (E_GRP_UPDATE);
}
grp = *ogrp;
new_grent (&grp);
#ifdef SHADOWGRP
if ( is_shadow_grp
&& (pflg || nflg)) {
osgrp = sgr_locate (group_name);
if (NULL != osgrp) {
sgrp = *osgrp;
new_sgent (&sgrp);
} else if ( pflg
&& (strcmp (grp.gr_passwd, SHADOW_PASSWD_STRING) == 0)) {
static char *empty = NULL;
/* If there is a gshadow file with no entries for
* the group, but the group file indicates a
* shadowed password, we force the creation of a
* gshadow entry when a new password is requested.
*/
memset (&sgrp, 0, sizeof sgrp);
sgrp.sg_name = xstrdup (grp.gr_name);
sgrp.sg_passwd = xstrdup (grp.gr_passwd);
sgrp.sg_adm = ∅
sgrp.sg_mem = dup_list (grp.gr_mem);
new_sgent (&sgrp);
osgrp = &sgrp; /* entry needs to be committed */
}
}
#endif /* SHADOWGRP */
if (gflg) {
update_primary_groups (ogrp->gr_gid, group_newid);
}
/*
* Write out the new group file entry.
*/
if (gr_update (&grp) == 0) {
fprintf (stderr,
_("%s: failed to prepare the new %s entry '%s'\n"),
Prog, gr_dbname (), grp.gr_name);
exit (E_GRP_UPDATE);
}
if (nflg && (gr_remove (group_name) == 0)) {
fprintf (stderr,
_("%s: cannot remove entry '%s' from %s\n"),
Prog, grp.gr_name, gr_dbname ());
exit (E_GRP_UPDATE);
}
#ifdef SHADOWGRP
/*
* Make sure there was a shadow entry to begin with.
*/
if (NULL != osgrp) {
/*
* Write out the new shadow group entries as well.
*/
if (sgr_update (&sgrp) == 0) {
fprintf (stderr,
_("%s: failed to prepare the new %s entry '%s'\n"),
Prog, sgr_dbname (), sgrp.sg_name);
exit (E_GRP_UPDATE);
}
if (nflg && (sgr_remove (group_name) == 0)) {
fprintf (stderr,
_("%s: cannot remove entry '%s' from %s\n"),
Prog, group_name, sgr_dbname ());
exit (E_GRP_UPDATE);
}
}
#endif /* SHADOWGRP */
}
