kadm5_ret_t
kadm5_s_chpass_principal_with_key(void *server_handle,
krb5_principal princ,
int n_key_data,
krb5_key_data *key_data)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ, 0,
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, &ent);
if(ret == HDB_ERR_NOENTRY)
goto out;
ret = _kadm5_set_keys2(context, &ent.entry, n_key_data, key_data);
if(ret)
goto out2;
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
static kadm5_ret_t
modify_principal(void *server_handle,
kadm5_principal_ent_t princ,
uint32_t mask,
uint32_t forbidden_mask)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
if((mask & forbidden_mask))
return KADM5_BAD_MASK;
if((mask & KADM5_POLICY) && strcmp(princ->policy, "default"))
return KADM5_UNK_POLICY;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->hdb_fetch(context->context, context->db,
princ->principal, HDB_F_GET_ANY, &ent);
if(ret)
goto out;
ret = _kadm5_setup_entry(context, &ent, mask, princ, mask, NULL, 0);
if(ret)
goto out2;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
mask | KADM5_MOD_NAME | KADM5_MOD_TIME);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
static kadm5_ret_t
modify_principal(void *server_handle,
kadm5_principal_ent_t princ,
uint32_t mask,
uint32_t forbidden_mask)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
memset(&ent, 0, sizeof(ent));
if((mask & forbidden_mask))
return KADM5_BAD_MASK;
if((mask & KADM5_POLICY) && strcmp(princ->policy, "default"))
return KADM5_UNK_POLICY;
if (!context->keep_open) {
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
}
ret = kadm5_log_init(context);
if (ret)
goto out;
ret = context->db->hdb_fetch_kvno(context->context, context->db,
princ->principal, HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if(ret)
goto out;
ret = _kadm5_setup_entry(context, &ent, mask, princ, mask, NULL, 0);
if(ret)
goto out2;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
/*
* If any keys are bogus, disallow the modify. If the keys were
* bogus as stored in the HDB we could allow those through, but
* distinguishing that case from a pre-1.6 client using add_enctype
* without the get-keys privilege requires more work (mainly: checking that
* the bogus keys in princ->key_data[] have corresponding bogus keys in ent
* before calling _kadm5_setup_entry()).
*/
if ((mask & KADM5_KEY_DATA) &&
kadm5_some_keys_are_bogus(princ->n_key_data, princ->key_data)) {
ret = KADM5_AUTH_GET_KEYS; /* Not quite appropriate, but it'll do */
goto out2;
}
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
if ((mask & KADM5_POLICY)) {
HDB_extension ext;
memset(&ext, 0, sizeof(ext));
/* XXX should be TRUE, but we don't yet support policies */
ext.mandatory = FALSE;
ext.data.element = choice_HDB_extension_data_policy;
ext.data.u.policy = strdup(princ->policy);
if (ext.data.u.policy == NULL) {
ret = ENOMEM;
goto out2;
}
/* This calls free_HDB_extension(), freeing ext.data.u.policy */
ret = hdb_replace_extension(context->context, &ent.entry, &ext);
free(ext.data.u.policy);
if (ret)
goto out2;
}
/* This logs the change for iprop and writes to the HDB */
ret = kadm5_log_modify(context, &ent.entry,
mask | KADM5_MOD_NAME | KADM5_MOD_TIME);
out2:
hdb_free_entry(context->context, &ent);
out:
(void) kadm5_log_end(context);
if (!context->keep_open) {
kadm5_ret_t ret2;
ret2 = context->db->hdb_close(context->context, context->db);
if (ret == 0 && ret2 != 0)
ret = ret2;
}
return _kadm5_error_code(ret);
}
static kadm5_ret_t
change(void *server_handle,
krb5_principal princ,
int keepold,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple,
const char *password,
int cond)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
Key *keys;
size_t num_keys;
int existsp = 0;
memset(&ent, 0, sizeof(ent));
if (!context->keep_open) {
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
}
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if(ret)
goto out;
if (keepold || cond) {
/*
* We save these for now so we can handle password history checking;
* we handle keepold further below.
*/
ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
if (ret)
goto out;
}
if (context->db->hdb_capability_flags & HDB_CAP_F_HANDLE_PASSWORDS) {
ret = context->db->hdb_password(context->context, context->db,
&ent, password, cond);
if (ret)
goto out2;
} else {
num_keys = ent.entry.keys.len;
keys = ent.entry.keys.val;
ent.entry.keys.len = 0;
ent.entry.keys.val = NULL;
ret = _kadm5_set_keys(context, &ent.entry, n_ks_tuple, ks_tuple,
password);
if(ret) {
_kadm5_free_keys(context->context, num_keys, keys);
goto out2;
}
_kadm5_free_keys(context->context, num_keys, keys);
if (cond) {
HDB_extension *ext;
ext = hdb_find_extension(&ent.entry, choice_HDB_extension_data_hist_keys);
if (ext != NULL)
existsp = _kadm5_exists_keys_hist(ent.entry.keys.val,
ent.entry.keys.len,
&ext->data.u.hist_keys);
}
if (existsp) {
ret = KADM5_PASS_REUSE;
krb5_set_error_message(context->context, ret,
"Password reuse forbidden");
goto out2;
}
}
ent.entry.kvno++;
ent.entry.flags.require_pwchange = 0;
if (keepold) {
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
} else {
HDB_extension ext;
memset(&ext, 0, sizeof (ext));
ext.data.element = choice_HDB_extension_data_hist_keys;
ext.data.u.hist_keys.len = 0;
ext.data.u.hist_keys.val = NULL;
ret = hdb_replace_extension(context->context, &ent.entry, &ext);
if (ret)
goto out2;
}
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out2:
hdb_free_entry(context->context, &ent);
out:
if (!context->keep_open)
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
kadm5_ret_t
kadm5_s_chpass_principal_with_key(void *server_handle,
krb5_principal princ,
int keepold,
int n_key_data,
krb5_key_data *key_data)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
memset(&ent, 0, sizeof(ent));
if (!context->keep_open) {
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
}
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ, 0,
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, &ent);
if(ret == HDB_ERR_NOENTRY)
goto out;
if (keepold) {
ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
if (ret)
goto out2;
}
ret = _kadm5_set_keys2(context, &ent.entry, n_key_data, key_data);
if(ret)
goto out2;
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
if (keepold) {
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
} else {
HDB_extension ext;
memset(&ext, 0, sizeof (ext));
ext.data.element = choice_HDB_extension_data_hist_keys;
ext.data.u.hist_keys.len = 0;
ext.data.u.hist_keys.val = NULL;
hdb_replace_extension(context->context, &ent.entry, &ext);
}
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out2:
hdb_free_entry(context->context, &ent);
out:
if (!context->keep_open)
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
/**
* Server-side function to set new keys for a principal.
*/
kadm5_ret_t
kadm5_s_setkey_principal_3(void *server_handle,
krb5_principal princ,
krb5_boolean keepold,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple,
krb5_keyblock *keyblocks, int n_keys)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret = 0;
memset(&ent, 0, sizeof(ent));
if (!context->keep_open)
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if (ret)
return ret;
ret = kadm5_log_init(context);
if (ret) {
if (!context->keep_open)
context->db->hdb_close(context->context, context->db);
return ret;
}
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if (ret) {
(void) kadm5_log_end(context);
if (!context->keep_open)
context->db->hdb_close(context->context, context->db);
return ret;
}
if (keepold) {
ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
} else
ret = hdb_clear_extension(context->context, &ent.entry,
choice_HDB_extension_data_hist_keys);
/*
* Though in practice all real calls to this function will pass an empty
* ks_tuple, and cannot in any case employ any salts that require
* additional data, we go the extra mile to set any requested salt type
* along with a zero length salt value. While we're at it we check that
* each ks_tuple's enctype matches the corresponding key enctype.
*/
if (ret == 0) {
int i;
free_Keys(&ent.entry.keys);
for (i = 0; i < n_keys; ++i) {
Key k;
Salt s;
k.mkvno = 0;
k.key = keyblocks[i];
if (n_ks_tuple == 0)
k.salt = 0;
else {
if (ks_tuple[i].ks_enctype != keyblocks[i].keytype) {
ret = KADM5_SETKEY3_ETYPE_MISMATCH;
break;
}
s.type = ks_tuple[i].ks_salttype;
s.salt.data = 0;
s.opaque = 0;
k.salt = &s;
}
if ((ret = add_Keys(&ent.entry.keys, &k)) != 0)
break;
}
}
if (ret == 0) {
ent.entry.kvno++;
ent.entry.flags.require_pwchange = 0;
hdb_entry_set_pw_change_time(context->context, &ent.entry, 0);
hdb_entry_clear_password(context->context, &ent.entry);
if ((ret = hdb_seal_keys(context->context, context->db,
&ent.entry)) == 0
&& (ret = _kadm5_set_modifier(context, &ent.entry)) == 0
&& (ret = _kadm5_bump_pw_expire(context, &ent.entry)) == 0)
ret = kadm5_log_modify(context, &ent.entry,
KADM5_ATTRIBUTES | KADM5_PRINCIPAL |
KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO |
KADM5_PW_EXPIRATION | KADM5_TL_DATA);
}
hdb_free_entry(context->context, &ent);
(void) kadm5_log_end(context);
if (!context->keep_open)
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
kadm5_ret_t
kadm5_s_randkey_principal(void *server_handle,
krb5_principal princ,
krb5_boolean keepold,
int n_ks_tuple,
krb5_key_salt_tuple *ks_tuple,
krb5_keyblock **new_keys,
int *n_keys)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
memset(&ent, 0, sizeof(ent));
if (!context->keep_open) {
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
}
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if(ret)
goto out;
if (keepold) {
ret = hdb_add_current_keys_to_history(context->context, &ent.entry);
if (ret)
goto out2;
}
ret = _kadm5_set_keys_randomly (context,
&ent.entry,
n_ks_tuple,
ks_tuple,
new_keys,
n_keys);
if (ret)
goto out2;
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out3;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
if (keepold) {
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
} else {
HDB_extension ext;
ext.data.element = choice_HDB_extension_data_hist_keys;
ext.data.u.hist_keys.len = 0;
ext.data.u.hist_keys.val = NULL;
hdb_replace_extension(context->context, &ent.entry, &ext);
}
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out3:
if (ret) {
int i;
for (i = 0; i < *n_keys; ++i)
krb5_free_keyblock_contents (context->context, &(*new_keys)[i]);
free (*new_keys);
*new_keys = NULL;
*n_keys = 0;
}
out2:
hdb_free_entry(context->context, &ent);
out:
if (!context->keep_open)
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
static kadm5_ret_t
change(void *server_handle,
krb5_principal princ,
const char *password,
int cond)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
Key *keys;
size_t num_keys;
int existsp = 0;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
HDB_F_DECRYPT|HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if(ret)
goto out;
if (context->db->hdb_capability_flags & HDB_CAP_F_HANDLE_PASSWORDS) {
ret = context->db->hdb_password(context->context, context->db,
&ent, password, cond);
if (ret)
goto out2;
} else {
num_keys = ent.entry.keys.len;
keys = ent.entry.keys.val;
ent.entry.keys.len = 0;
ent.entry.keys.val = NULL;
ret = _kadm5_set_keys(context, &ent.entry, password);
if(ret) {
_kadm5_free_keys (context->context, num_keys, keys);
goto out2;
}
if (cond)
existsp = _kadm5_exists_keys (ent.entry.keys.val,
ent.entry.keys.len,
keys, num_keys);
_kadm5_free_keys (context->context, num_keys, keys);
if (existsp) {
ret = KADM5_PASS_REUSE;
krb5_set_error_message(context->context, ret,
"Password reuse forbidden");
goto out2;
}
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
}
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out2;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
kadm5_ret_t
kadm5_s_randkey_principal(void *server_handle,
krb5_principal princ,
krb5_keyblock **new_keys,
int *n_keys)
{
kadm5_server_context *context = server_handle;
hdb_entry_ex ent;
kadm5_ret_t ret;
memset(&ent, 0, sizeof(ent));
ret = context->db->hdb_open(context->context, context->db, O_RDWR, 0);
if(ret)
return ret;
ret = context->db->hdb_fetch_kvno(context->context, context->db, princ,
HDB_F_GET_ANY|HDB_F_ADMIN_DATA, 0, &ent);
if(ret)
goto out;
ret = _kadm5_set_keys_randomly (context,
&ent.entry,
new_keys,
n_keys);
if (ret)
goto out2;
ent.entry.kvno++;
ret = _kadm5_set_modifier(context, &ent.entry);
if(ret)
goto out3;
ret = _kadm5_bump_pw_expire(context, &ent.entry);
if (ret)
goto out2;
ret = hdb_seal_keys(context->context, context->db, &ent.entry);
if (ret)
goto out2;
ret = context->db->hdb_store(context->context, context->db,
HDB_F_REPLACE, &ent);
if (ret)
goto out2;
kadm5_log_modify (context,
&ent.entry,
KADM5_PRINCIPAL | KADM5_MOD_NAME | KADM5_MOD_TIME |
KADM5_KEY_DATA | KADM5_KVNO | KADM5_PW_EXPIRATION |
KADM5_TL_DATA);
out3:
if (ret) {
int i;
for (i = 0; i < *n_keys; ++i)
krb5_free_keyblock_contents (context->context, &(*new_keys)[i]);
free (*new_keys);
*new_keys = NULL;
*n_keys = 0;
}
out2:
hdb_free_entry(context->context, &ent);
out:
context->db->hdb_close(context->context, context->db);
return _kadm5_error_code(ret);
}
