This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* These comments regard the code to change the user's unix password: */
const uchar old_lm_hash_encrypted[16],
uchar password_encrypted_with_nt_hash[516],
const uchar old_nt_hash_encrypted[16],
- SAM_ACCOUNT **hnd, char *new_passwd,
+ struct samu **hnd, char *new_passwd,
int new_passwd_size);
#if ALLOW_CHANGE_PASSWORD
}
static int dochild(int master, const char *slavedev, const struct passwd *pass,
- const char *passwordprogram, BOOL as_root)
+ const char *passwordprogram, bool as_root)
{
int slave;
struct termios stermios;
{
pstring buffer;
int attempts, timeout, nread, len;
- BOOL match = False;
+ bool match = False;
for (attempts = 0; attempts < 2; attempts++) {
if (!strequal(issue, ".")) {
if (lp_passwd_chat_debug())
DEBUG(100, ("expect: sending [%s]\n", issue));
- if ((len = write(master, issue, strlen(issue))) != strlen(issue)) {
+ if ((len = sys_write(master, issue, strlen(issue))) != strlen(issue)) {
DEBUG(2,("expect: (short) write returned %d\n", len ));
return False;
}
return (count > 0);
}
-static BOOL chat_with_program(char *passwordprogram, const struct passwd *pass,
- char *chatsequence, BOOL as_root)
+static bool chat_with_program(char *passwordprogram, const struct passwd *pass,
+ char *chatsequence, bool as_root)
{
char *slavedev;
int master;
pid_t pid, wpid;
int wstat;
- BOOL chstat = False;
+ bool chstat = False;
if (pass == NULL) {
DEBUG(0, ("chat_with_program: user doesn't exist in the UNIX password database.\n"));
/* CHILD */
/*
- * Lose any oplock capabilities.
+ * Lose any elevated privileges.
*/
- oplock_set_capability(False, False);
+ drop_effective_capability(KERNEL_OPLOCK_CAPABILITY);
+ drop_effective_capability(DMAPI_ACCESS_CAPABILITY);
/* make sure it doesn't freeze */
alarm(20);
return (chstat);
}
-BOOL chgpasswd(const char *name, const struct passwd *pass,
- const char *oldpass, const char *newpass, BOOL as_root)
+bool chgpasswd(const char *name, const struct passwd *pass,
+ const char *oldpass, const char *newpass, bool as_root)
{
pstring passwordprogram;
pstring chatsequence;
#ifdef WITH_PAM
if (lp_pam_password_change()) {
- BOOL ret;
+ bool ret;
if (as_root)
become_root();
#else /* ALLOW_CHANGE_PASSWORD */
-BOOL chgpasswd(const char *name, const struct passwd *pass,
- const char *oldpass, const char *newpass, BOOL as_root)
+bool chgpasswd(const char *name, const struct passwd *pass,
+ const char *oldpass, const char *newpass, bool as_root)
{
DEBUG(0, ("chgpasswd: Unix Password changing not compiled in (user=%s)\n", name));
return (False);
Code to check the lanman hashed password.
************************************************************/
-BOOL check_lanman_password(char *user, uchar * pass1,
- uchar * pass2, SAM_ACCOUNT **hnd)
+bool check_lanman_password(char *user, uchar * pass1,
+ uchar * pass2, struct samu **hnd)
{
uchar unenc_new_pw[16];
uchar unenc_old_pw[16];
- SAM_ACCOUNT *sampass = NULL;
- uint16 acct_ctrl;
+ struct samu *sampass = NULL;
+ uint32 acct_ctrl;
const uint8 *lanman_pw;
- BOOL ret;
+ bool ret;
+
+ if ( !(sampass = samu_new(NULL)) ) {
+ DEBUG(0, ("samu_new() failed!\n"));
+ return False;
+ }
become_root();
ret = pdb_getsampwnam(sampass, user);
if (ret == False) {
DEBUG(0,("check_lanman_password: getsampwnam returned NULL\n"));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return False;
}
if (acct_ctrl & ACB_DISABLED) {
DEBUG(0,("check_lanman_password: account %s disabled.\n", user));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return False;
}
return True;
} else {
DEBUG(0, ("check_lanman_password: no lanman password !\n"));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return False;
}
}
/* Check that the two old passwords match. */
if (memcmp(lanman_pw, unenc_old_pw, 16)) {
DEBUG(0,("check_lanman_password: old password doesn't match.\n"));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return False;
}
is correct before calling. JRA.
************************************************************/
-BOOL change_lanman_password(SAM_ACCOUNT *sampass, uchar *pass2)
+bool change_lanman_password(struct samu *sampass, uchar *pass2)
{
static uchar null_pw[16];
uchar unenc_new_pw[16];
- BOOL ret;
- uint16 acct_ctrl;
+ bool ret;
+ uint32 acct_ctrl;
const uint8 *pwd;
if (sampass == NULL) {
return False; /* We lose the NT hash. Sorry. */
}
- if (!pdb_set_pass_changed_now (sampass)) {
- pdb_free_sam(&sampass);
+ if (!pdb_set_pass_last_set_time (sampass, time(NULL), PDB_CHANGED)) {
+ TALLOC_FREE(sampass);
/* Not quite sure what this one qualifies as, but this will do */
return False;
}
uint32 *reject_reason)
{
pstring new_passwd;
- SAM_ACCOUNT *sampass = NULL;
+ struct samu *sampass = NULL;
NTSTATUS nt_status = check_oem_password(user, password_encrypted_with_lm_hash,
old_lm_hash_encrypted,
password_encrypted_with_nt_hash,
memset(new_passwd, 0, sizeof(new_passwd));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return nt_status;
}
const uchar old_lm_hash_encrypted[16],
uchar password_encrypted_with_nt_hash[516],
const uchar old_nt_hash_encrypted[16],
- SAM_ACCOUNT **hnd, char *new_passwd,
+ struct samu **hnd, char *new_passwd,
int new_passwd_size)
{
static uchar null_pw[16];
static uchar null_ntpw[16];
- SAM_ACCOUNT *sampass = NULL;
+ struct samu *sampass = NULL;
uint8 *password_encrypted;
const uint8 *encryption_key;
const uint8 *lanman_pw, *nt_pw;
- uint16 acct_ctrl;
+ uint32 acct_ctrl;
uint32 new_pw_len;
uchar new_nt_hash[16];
uchar new_lm_hash[16];
uchar verifier[16];
char no_pw[2];
- BOOL ret;
+ bool ret;
- BOOL nt_pass_set = (password_encrypted_with_nt_hash && old_nt_hash_encrypted);
- BOOL lm_pass_set = (password_encrypted_with_lm_hash && old_lm_hash_encrypted);
+ bool nt_pass_set = (password_encrypted_with_nt_hash && old_nt_hash_encrypted);
+ bool lm_pass_set = (password_encrypted_with_lm_hash && old_lm_hash_encrypted);
*hnd = NULL;
- pdb_init_sam(&sampass);
+ if ( !(sampass = samu_new( NULL )) ) {
+ return NT_STATUS_NO_MEMORY;
+ }
become_root();
ret = pdb_getsampwnam(sampass, user);
if (ret == False) {
DEBUG(0, ("check_oem_password: getsmbpwnam returned NULL\n"));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_NO_SUCH_USER;
}
if (acct_ctrl & ACB_DISABLED) {
DEBUG(2,("check_lanman_password: account %s disabled.\n", user));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_ACCOUNT_DISABLED;
}
} else if (nt_pass_set) {
DEBUG(1, ("NT password change supplied for user %s, but we have no NT password to check it with\n",
user));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
} else if (lm_pass_set) {
if (lp_lanman_auth()) {
DEBUG(1, ("LM password change supplied for user %s, but we have disabled LanMan authentication\n",
user));
}
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
} else {
DEBUG(1, ("password change requested for user %s, but no password supplied!\n",
user));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
}
if ( !decode_pw_buffer(password_encrypted, new_passwd, new_passwd_size, &new_pw_len,
nt_pass_set ? STR_UNICODE : STR_ASCII)) {
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
}
E_old_pw_hash(new_nt_hash, nt_pw, verifier);
if (memcmp(verifier, old_nt_hash_encrypted, 16)) {
DEBUG(0,("check_oem_password: old lm password doesn't match.\n"));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
}
E_old_pw_hash(new_nt_hash, lanman_pw, verifier);
if (memcmp(verifier, old_lm_hash_encrypted, 16)) {
DEBUG(0,("check_oem_password: old lm password doesn't match.\n"));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
}
#ifdef DEBUG_PASSWORD
E_old_pw_hash(new_lm_hash, lanman_pw, verifier);
if (memcmp(verifier, old_lm_hash_encrypted, 16)) {
DEBUG(0,("check_oem_password: old lm password doesn't match.\n"));
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
}
}
/* should not be reached */
- pdb_free_sam(&sampass);
+ TALLOC_FREE(sampass);
return NT_STATUS_WRONG_PASSWORD;
}
found in the history list.
************************************************************/
-static BOOL check_passwd_history(SAM_ACCOUNT *sampass, const char *plaintext)
+static bool check_passwd_history(struct samu *sampass, const char *plaintext)
{
uchar new_nt_p16[NT_HASH_LEN];
uchar zero_md5_nt_pw[SALTED_MD5_HASH_LEN];
const uint8 *nt_pw;
const uint8 *pwhistory;
- BOOL found = False;
+ bool found = False;
int i;
uint32 pwHisLen, curr_pwHisLen;
return True;
}
- dump_data(100, (const char *)new_nt_p16, NT_HASH_LEN);
- dump_data(100, (const char *)pwhistory, PW_HISTORY_ENTRY_LEN*pwHisLen);
+ dump_data(100, new_nt_p16, NT_HASH_LEN);
+ dump_data(100, pwhistory, PW_HISTORY_ENTRY_LEN*pwHisLen);
memset(zero_md5_nt_pw, '\0', SALTED_MD5_HASH_LEN);
for (i=0; i<pwHisLen; i++) {
is correct before calling. JRA.
************************************************************/
-NTSTATUS change_oem_password(SAM_ACCOUNT *hnd, char *old_passwd, char *new_passwd, BOOL as_root, uint32 *samr_reject_reason)
+NTSTATUS change_oem_password(struct samu *hnd, char *old_passwd, char *new_passwd, bool as_root, uint32 *samr_reject_reason)
{
- uint32 min_len, min_age;
+ uint32 min_len;
+ uint32 refuse;
struct passwd *pass = NULL;
const char *username = pdb_get_username(hnd);
- time_t last_change_time = pdb_get_pass_last_set_time(hnd);
time_t can_change_time = pdb_get_pass_can_change_time(hnd);
if (samr_reject_reason) {
*samr_reject_reason = Undefined;
}
- if (pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &min_age)) {
- /*
- * Windows calculates the minimum password age check
- * dynamically, it basically ignores the pwdcanchange
- * timestamp. Do likewise.
- */
- if (last_change_time + min_age > time(NULL)) {
- DEBUG(1, ("user %s cannot change password now, must "
- "wait until %s\n", username,
- http_timestring(last_change_time+min_age)));
- if (samr_reject_reason) {
- *samr_reject_reason = REJECT_REASON_OTHER;
- }
- return NT_STATUS_ACCOUNT_RESTRICTION;
+ /* check to see if the secdesc has previously been set to disallow */
+ if (!pdb_get_pass_can_change(hnd)) {
+ DEBUG(1, ("user %s does not have permissions to change password\n", username));
+ if (samr_reject_reason) {
+ *samr_reject_reason = REJECT_REASON_OTHER;
}
- } else {
- if ((can_change_time != 0) && (time(NULL) < can_change_time)) {
- DEBUG(1, ("user %s cannot change password now, must "
- "wait until %s\n", username,
- http_timestring(can_change_time)));
+ return NT_STATUS_ACCOUNT_RESTRICTION;
+ }
+
+ /* check to see if it is a Machine account and if the policy
+ * denies machines to change the password. *
+ * Should we deny also SRVTRUST and/or DOMSTRUST ? .SSS. */
+ if (pdb_get_acct_ctrl(hnd) & ACB_WSTRUST) {
+ if (pdb_get_account_policy(AP_REFUSE_MACHINE_PW_CHANGE, &refuse) && refuse) {
+ DEBUG(1, ("Machine %s cannot change password now, "
+ "denied by Refuse Machine Password Change policy\n",
+ username));
if (samr_reject_reason) {
*samr_reject_reason = REJECT_REASON_OTHER;
}
}
}
+ /* removed calculation here, becuase passdb now calculates
+ based on policy. jmcd */
+ if ((can_change_time != 0) && (time(NULL) < can_change_time)) {
+ DEBUG(1, ("user %s cannot change password now, must "
+ "wait until %s\n", username,
+ http_timestring(can_change_time)));
+ if (samr_reject_reason) {
+ *samr_reject_reason = REJECT_REASON_OTHER;
+ }
+ return NT_STATUS_ACCOUNT_RESTRICTION;
+ }
+
if (pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &min_len) && (str_charnum(new_passwd) < min_len)) {
DEBUG(1, ("user %s cannot change password - password too short\n",
username));
pass = Get_Pwnam(username);
if (!pass) {
- DEBUG(1, ("check_oem_password: Username %s does not exist in system !?!\n", username));
+ DEBUG(1, ("change_oem_password: Username %s does not exist in system !?!\n", username));
return NT_STATUS_ACCESS_DENIED;
}