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authorGünther Deschner <gd@samba.org>2021-11-17 09:56:09 +0100
committerJeremy Allison <jra@samba.org>2021-12-16 03:05:30 +0000
commit20c85cc1da8d8c7f1932fbdd92128bb6dafad472 (patch)
treefc5257267a08549a1cebd35bff49fc525d1e9ad9 /nsswitch
parenteae4c54e2b15c0022010b75c3117edce39d6c204 (diff)
downloadsamba-20c85cc1da8d8c7f1932fbdd92128bb6dafad472.tar.gz
pam_winbind: add new pwd_change_prompt option (defaults to off).
This change disables the prompt for the change of an expired password by default (using the PAM_RADIO_TYPE mechanism if present). BUG: https://bugzilla.samba.org/show_bug.cgi?id=8691 Guenther Signed-off-by: Guenther Deschner <gd@samba.org> Reviewed-by: Alexander Bokovoy <ab@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org> Autobuild-User(master): Jeremy Allison <jra@samba.org> Autobuild-Date(master): Thu Dec 16 03:05:30 UTC 2021 on sn-devel-184
Diffstat (limited to 'nsswitch')
-rw-r--r--nsswitch/pam_winbind.c12
-rw-r--r--nsswitch/pam_winbind.h1
2 files changed, 11 insertions, 2 deletions
diff --git a/nsswitch/pam_winbind.c b/nsswitch/pam_winbind.c
index 5d168e2715e..e7ae605b341 100644
--- a/nsswitch/pam_winbind.c
+++ b/nsswitch/pam_winbind.c
@@ -479,6 +479,10 @@ static int _pam_parse(const pam_handle_t *pamh,
ctrl |= WINBIND_MKHOMEDIR;
}
+ if (tiniparser_getboolean(d, "global:pwd_change_prompt", false)) {
+ ctrl |= WINBIND_PWD_CHANGE_PROMPT;
+ }
+
config_from_pam:
/* step through arguments */
for (i=argc,v=argv; i-- > 0; ++v) {
@@ -522,6 +526,8 @@ config_from_pam:
else if (!strncasecmp(*v, "warn_pwd_expire",
strlen("warn_pwd_expire")))
ctrl |= WINBIND_WARN_PWD_EXPIRE;
+ else if (!strcasecmp(*v, "pwd_change_prompt"))
+ ctrl |= WINBIND_PWD_CHANGE_PROMPT;
else if (type != PAM_WINBIND_CLEANUP) {
__pam_log(pamh, ctrl, LOG_ERR,
"pam_parse: unknown option: %s", *v);
@@ -976,7 +982,8 @@ static bool _pam_send_password_expiry_message(struct pwb_context *ctx,
* successfully sent the warning message.
* Give the user a chance to change pwd.
*/
- if (ret == PAM_SUCCESS) {
+ if (ret == PAM_SUCCESS &&
+ (ctx->ctrl & WINBIND_PWD_CHANGE_PROMPT)) {
if (change_pwd) {
retval = _pam_winbind_change_pwd(ctx);
if (retval) {
@@ -1006,7 +1013,8 @@ static bool _pam_send_password_expiry_message(struct pwb_context *ctx,
* successfully sent the warning message.
* Give the user a chance to change pwd.
*/
- if (ret == PAM_SUCCESS) {
+ if (ret == PAM_SUCCESS &&
+ (ctx->ctrl & WINBIND_PWD_CHANGE_PROMPT)) {
if (change_pwd) {
retval = _pam_winbind_change_pwd(ctx);
if (retval) {
diff --git a/nsswitch/pam_winbind.h b/nsswitch/pam_winbind.h
index c6786d65a4d..2f4a25729bd 100644
--- a/nsswitch/pam_winbind.h
+++ b/nsswitch/pam_winbind.h
@@ -157,6 +157,7 @@ do { \
#define WINBIND_WARN_PWD_EXPIRE 0x00002000
#define WINBIND_MKHOMEDIR 0x00004000
#define WINBIND_TRY_AUTHTOK_ARG 0x00008000
+#define WINBIND_PWD_CHANGE_PROMPT 0x00010000
#if defined(HAVE_GETTEXT) && !defined(__LCLINT__)
#define _(string) dgettext(MODULE_NAME, string)