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r15398: Attempt to send the correct warning when a password change was attempted

too early.

Guenther
(This used to be commit 7f64a66d25f2a4aa48c2639da8e783c1759c5dd4)
This commit is contained in:
Günther Deschner 2006-05-02 19:22:39 +00:00 committed by Gerald (Jerry) Carter
parent 5b7ab95fc6
commit af3490061b
3 changed files with 38 additions and 13 deletions

View File

@ -320,7 +320,8 @@ static int winbind_auth_request(pam_handle_t * pamh,
const char *pass,
const char *member,
const char *cctype,
int process_result)
int process_result,
time_t *pwd_last_set)
{
struct winbindd_request request;
struct winbindd_response response;
@ -329,6 +330,10 @@ static int winbind_auth_request(pam_handle_t * pamh,
ZERO_STRUCT(request);
ZERO_STRUCT(response);
if (pwd_last_set) {
*pwd_last_set = 0;
}
strncpy(request.data.auth.user, user,
sizeof(request.data.auth.user)-1);
@ -401,6 +406,10 @@ static int winbind_auth_request(pam_handle_t * pamh,
ret = pam_winbind_request_log(pamh, ctrl, WINBINDD_PAM_AUTH, &request, &response, user);
if (pwd_last_set) {
*pwd_last_set = response.data.auth.info3.pass_last_set_time;
}
if ((ctrl & WINBIND_KRB5_AUTH) &&
response.data.auth.krb5ccname[0] != '\0') {
@ -487,7 +496,8 @@ static int winbind_chauthtok_request(pam_handle_t * pamh,
int ctrl,
const char *user,
const char *oldpass,
const char *newpass)
const char *newpass,
time_t pwd_last_set)
{
struct winbindd_request request;
struct winbindd_response response;
@ -541,7 +551,13 @@ static int winbind_chauthtok_request(pam_handle_t * pamh,
/* FIXME: avoid to send multiple PAM messages after another */
switch (response.data.auth.reject_reason) {
case 0:
case -1:
break;
case REJECT_REASON_OTHER:
if ((response.data.auth.policy.min_passwordage > 0)) &&
(pwd_last_set + response.data.auth.policy.min_passwordage > time(NULL)) {
PAM_WB_REMARK_DIRECT(pamh, "NT_STATUS_PWD_TOO_RECENT");
}
break;
case REJECT_REASON_TOO_SHORT:
PAM_WB_REMARK_DIRECT(pamh, "NT_STATUS_PWD_TOO_SHORT");
@ -892,7 +908,7 @@ int pam_sm_authenticate(pam_handle_t *pamh, int flags,
cctype = get_krb5_cc_type_from_config(argc, argv, ctrl, d);
/* Now use the username to look up password */
retval = winbind_auth_request(pamh, ctrl, username, password, member, cctype, True);
retval = winbind_auth_request(pamh, ctrl, username, password, member, cctype, True, NULL);
if (retval == PAM_NEW_AUTHTOK_REQD ||
retval == PAM_AUTHTOK_EXPIRED) {
@ -1174,6 +1190,8 @@ int pam_sm_chauthtok(pam_handle_t * pamh, int flags,
if (flags & PAM_PRELIM_CHECK) {
time_t pwdlastset_prelim = 0;
/* instruct user what is happening */
#define greeting "Changing password for "
Announce = (char *) malloc(sizeof(greeting) + strlen(user));
@ -1198,16 +1216,18 @@ int pam_sm_chauthtok(pam_handle_t * pamh, int flags,
}
/* verify that this is the password for this user */
retval = winbind_auth_request(pamh, ctrl, user, pass_old, NULL, NULL, False);
retval = winbind_auth_request(pamh, ctrl, user, pass_old, NULL, NULL, False, &pwdlastset_prelim);
if (retval != PAM_ACCT_EXPIRED
&& retval != PAM_AUTHTOK_EXPIRED
&& retval != PAM_NEW_AUTHTOK_REQD
&& retval != PAM_SUCCESS) {
if (retval != PAM_ACCT_EXPIRED &&
retval != PAM_AUTHTOK_EXPIRED &&
retval != PAM_NEW_AUTHTOK_REQD &&
retval != PAM_SUCCESS) {
pass_old = NULL;
goto out;
}
pam_set_data(pamh, PAM_WINBIND_PWD_LAST_SET, (void *)pwdlastset_prelim, _pam_winbind_cleanup_func);
retval = pam_set_item(pamh, PAM_OLDAUTHTOK, (const void *) pass_old);
pass_old = NULL;
if (retval != PAM_SUCCESS) {
@ -1215,6 +1235,8 @@ int pam_sm_chauthtok(pam_handle_t * pamh, int flags,
}
} else if (flags & PAM_UPDATE_AUTHTOK) {
time_t pwdlastset_update = 0;
/*
* obtain the proposed password
*/
@ -1272,8 +1294,9 @@ int pam_sm_chauthtok(pam_handle_t * pamh, int flags,
* By reaching here we have approved the passwords and must now
* rebuild the password database file.
*/
pam_get_data( pamh, PAM_WINBIND_PWD_LAST_SET, (const void **)&pwdlastset_update);
retval = winbind_chauthtok_request(pamh, ctrl, user, pass_old, pass_new);
retval = winbind_chauthtok_request(pamh, ctrl, user, pass_old, pass_new, pwdlastset_update);
if (retval) {
_pam_overwrite(pass_new);
_pam_overwrite(pass_old);
@ -1288,7 +1311,7 @@ int pam_sm_chauthtok(pam_handle_t * pamh, int flags,
const char *member = get_member_from_config(argc, argv, ctrl, d);
const char *cctype = get_krb5_cc_type_from_config(argc, argv, ctrl, d);
retval = winbind_auth_request(pamh, ctrl, user, pass_new, member, cctype, False);
retval = winbind_auth_request(pamh, ctrl, user, pass_new, member, cctype, False, NULL);
_pam_overwrite(pass_new);
_pam_overwrite(pass_old);
pass_old = pass_new = NULL;

View File

@ -107,6 +107,7 @@ do { \
#define PAM_WINBIND_NEW_AUTHTOK_REQD "PAM_WINBIND_NEW_AUTHTOK_REQD"
#define PAM_WINBIND_HOMEDIR "PAM_WINBIND_HOMEDIR"
#define PAM_WINBIND_PWD_LAST_SET "PAM_WINBIND_PWD_LAST_SET"
#define SECONDS_PER_DAY 86400

View File

@ -1652,6 +1652,9 @@ void winbindd_pam_chauthtok(struct winbindd_cli_state *state)
oldpass = state->request.data.chauthtok.oldpass;
newpass = state->request.data.chauthtok.newpass;
/* Initialize reject reason */
state->response.data.auth.reject_reason = Undefined;
/* Get sam handle */
result = cm_connect_sam(contact_domain, state->mem_ctx, &cli,
@ -1690,8 +1693,6 @@ void winbindd_pam_chauthtok(struct winbindd_cli_state *state)
DEBUG(10,("Password change with chgpasswd3 failed with: %s, retrying chgpasswd_user\n",
nt_errstr(result)));
state->response.data.auth.reject_reason = 0;
result = rpccli_samr_chgpasswd_user(cli, state->mem_ctx, user, newpass, oldpass);
}