Copyright Andrew Tridgell <tridge@samba.org> 2000
Copyright Tim Potter <tpot@samba.org> 2000
Copyright Andrew Bartlett <abartlet@samba.org> 2002
- Copyright Guenther Deschner <gd@samba.org> 2005-2007
+ Copyright Guenther Deschner <gd@samba.org> 2005-2008
largely based on pam_userdb by Cristian Gafton <gafton@redhat.com> also
contains large slabs of code from pam_unix by Elliot Lee
#include "pam_winbind.h"
-#define _PAM_LOG_FUNCTION_ENTER(function, pamh, ctrl, flags) \
+static int wbc_error_to_pam_error(wbcErr status)
+{
+ switch (status) {
+ case WBC_ERR_SUCCESS:
+ return PAM_SUCCESS;
+ case WBC_ERR_NOT_IMPLEMENTED:
+ return PAM_SERVICE_ERR;
+ case WBC_ERR_UNKNOWN_FAILURE:
+ break;
+ case WBC_ERR_NO_MEMORY:
+ return PAM_BUF_ERR;
+ case WBC_ERR_INVALID_SID:
+ case WBC_ERR_INVALID_PARAM:
+ break;
+ case WBC_ERR_WINBIND_NOT_AVAILABLE:
+ return PAM_AUTHINFO_UNAVAIL;
+ case WBC_ERR_DOMAIN_NOT_FOUND:
+ return PAM_AUTHINFO_UNAVAIL;
+ case WBC_ERR_INVALID_RESPONSE:
+ return PAM_BUF_ERR;
+ case WBC_ERR_NSS_ERROR:
+ return PAM_USER_UNKNOWN;
+ case WBC_ERR_AUTH_ERROR:
+ return PAM_AUTH_ERR;
+ case WBC_ERR_UNKNOWN_USER:
+ return PAM_USER_UNKNOWN;
+ case WBC_ERR_UNKNOWN_GROUP:
+ return PAM_USER_UNKNOWN;
+ case WBC_ERR_PWD_CHANGE_FAILED:
+ break;
+ }
+
+ /* be paranoid */
+ return PAM_AUTH_ERR;
+}
+
+static const char *_pam_error_code_str(int err)
+{
+ switch (err) {
+ case PAM_SUCCESS:
+ return "PAM_SUCCESS";
+ case PAM_OPEN_ERR:
+ return "PAM_OPEN_ERR";
+ case PAM_SYMBOL_ERR:
+ return "PAM_SYMBOL_ERR";
+ case PAM_SERVICE_ERR:
+ return "PAM_SERVICE_ERR";
+ case PAM_SYSTEM_ERR:
+ return "PAM_SYSTEM_ERR";
+ case PAM_BUF_ERR:
+ return "PAM_BUF_ERR";
+ case PAM_PERM_DENIED:
+ return "PAM_PERM_DENIED";
+ case PAM_AUTH_ERR:
+ return "PAM_AUTH_ERR";
+ case PAM_CRED_INSUFFICIENT:
+ return "PAM_CRED_INSUFFICIENT";
+ case PAM_AUTHINFO_UNAVAIL:
+ return "PAM_AUTHINFO_UNAVAIL";
+ case PAM_USER_UNKNOWN:
+ return "PAM_USER_UNKNOWN";
+ case PAM_MAXTRIES:
+ return "PAM_MAXTRIES";
+ case PAM_NEW_AUTHTOK_REQD:
+ return "PAM_NEW_AUTHTOK_REQD";
+ case PAM_ACCT_EXPIRED:
+ return "PAM_ACCT_EXPIRED";
+ case PAM_SESSION_ERR:
+ return "PAM_SESSION_ERR";
+ case PAM_CRED_UNAVAIL:
+ return "PAM_CRED_UNAVAIL";
+ case PAM_CRED_EXPIRED:
+ return "PAM_CRED_EXPIRED";
+ case PAM_CRED_ERR:
+ return "PAM_CRED_ERR";
+ case PAM_NO_MODULE_DATA:
+ return "PAM_NO_MODULE_DATA";
+ case PAM_CONV_ERR:
+ return "PAM_CONV_ERR";
+ case PAM_AUTHTOK_ERR:
+ return "PAM_AUTHTOK_ERR";
+ case PAM_AUTHTOK_RECOVERY_ERR:
+ return "PAM_AUTHTOK_RECOVERY_ERR";
+ case PAM_AUTHTOK_LOCK_BUSY:
+ return "PAM_AUTHTOK_LOCK_BUSY";
+ case PAM_AUTHTOK_DISABLE_AGING:
+ return "PAM_AUTHTOK_DISABLE_AGING";
+ case PAM_TRY_AGAIN:
+ return "PAM_TRY_AGAIN";
+ case PAM_IGNORE:
+ return "PAM_IGNORE";
+ case PAM_ABORT:
+ return "PAM_ABORT";
+ case PAM_AUTHTOK_EXPIRED:
+ return "PAM_AUTHTOK_EXPIRED";
+#ifdef PAM_MODULE_UNKNOWN
+ case PAM_MODULE_UNKNOWN:
+ return "PAM_MODULE_UNKNOWN";
+#endif
+#ifdef PAM_BAD_ITEM
+ case PAM_BAD_ITEM:
+ return "PAM_BAD_ITEM";
+#endif
+#ifdef PAM_CONV_AGAIN
+ case PAM_CONV_AGAIN:
+ return "PAM_CONV_AGAIN";
+#endif
+#ifdef PAM_INCOMPLETE
+ case PAM_INCOMPLETE:
+ return "PAM_INCOMPLETE";
+#endif
+ default:
+ return NULL;
+ }
+}
+
+#define _PAM_LOG_FUNCTION_ENTER(function, ctx) \
do { \
- _pam_log_debug(pamh, ctrl, LOG_DEBUG, "[pamh: %p] ENTER: " \
- function " (flags: 0x%04x)", pamh, flags); \
- _pam_log_state(pamh, ctrl); \
+ _pam_log_debug(ctx, LOG_DEBUG, "[pamh: %p] ENTER: " \
+ function " (flags: 0x%04x)", ctx->pamh, ctx->flags); \
+ _pam_log_state(ctx); \
} while (0)
-#define _PAM_LOG_FUNCTION_LEAVE(function, pamh, ctrl, retval) \
+#define _PAM_LOG_FUNCTION_LEAVE(function, ctx, retval) \
do { \
- _pam_log_debug(pamh, ctrl, LOG_DEBUG, "[pamh: %p] LEAVE: " \
- function " returning %d", pamh, retval); \
- _pam_log_state(pamh, ctrl); \
+ _pam_log_debug(ctx, LOG_DEBUG, "[pamh: %p] LEAVE: " \
+ function " returning %d (%s)", ctx->pamh, retval, \
+ _pam_error_code_str(retval)); \
+ _pam_log_state(ctx); \
} while (0)
/* data tokens */
return on(ctrl, WINBIND_SILENT);
}
-static void _pam_log(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...) PRINTF_ATTRIBUTE(4,5);
-static void _pam_log(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...)
+static void _pam_log(struct pwb_context *r, int err, const char *format, ...) PRINTF_ATTRIBUTE(3,4);
+static void _pam_log(struct pwb_context *r, int err, const char *format, ...)
+{
+ va_list args;
+
+ if (_pam_log_is_silent(r->ctrl)) {
+ return;
+ }
+
+ va_start(args, format);
+ _pam_log_int(r->pamh, err, format, args);
+ va_end(args);
+}
+static void __pam_log(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...) PRINTF_ATTRIBUTE(4,5);
+static void __pam_log(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...)
{
va_list args;
return _pam_log_is_debug_enabled(ctrl);
}
-static void _pam_log_debug(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...) PRINTF_ATTRIBUTE(4,5);
-static void _pam_log_debug(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...)
+static void _pam_log_debug(struct pwb_context *r, int err, const char *format, ...) PRINTF_ATTRIBUTE(3,4);
+static void _pam_log_debug(struct pwb_context *r, int err, const char *format, ...)
+{
+ va_list args;
+
+ if (!_pam_log_is_debug_enabled(r->ctrl)) {
+ return;
+ }
+
+ va_start(args, format);
+ _pam_log_int(r->pamh, err, format, args);
+ va_end(args);
+}
+static void __pam_log_debug(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...) PRINTF_ATTRIBUTE(4,5);
+static void __pam_log_debug(const pam_handle_t *pamh, int ctrl, int err, const char *format, ...)
{
va_list args;
va_end(args);
}
-static void _pam_log_state_datum(const pam_handle_t *pamh,
- int ctrl,
+static void _pam_log_state_datum(struct pwb_context *ctx,
int item_type,
const char *key,
int is_string)
{
const void *data = NULL;
if (item_type != 0) {
- pam_get_item(pamh, item_type, &data);
+ pam_get_item(ctx->pamh, item_type, &data);
} else {
- pam_get_data(pamh, key, &data);
+ pam_get_data(ctx->pamh, key, &data);
}
if (data != NULL) {
const char *type = (item_type != 0) ? "ITEM" : "DATA";
if (is_string != 0) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"[pamh: %p] STATE: %s(%s) = \"%s\" (%p)",
- pamh, type, key, (const char *)data,
+ ctx->pamh, type, key, (const char *)data,
data);
} else {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"[pamh: %p] STATE: %s(%s) = %p",
- pamh, type, key, data);
+ ctx->pamh, type, key, data);
}
}
}
-#define _PAM_LOG_STATE_DATA_POINTER(pamh, ctrl, module_data_name) \
- _pam_log_state_datum(pamh, ctrl, 0, module_data_name, 0)
+#define _PAM_LOG_STATE_DATA_POINTER(ctx, module_data_name) \
+ _pam_log_state_datum(ctx, 0, module_data_name, 0)
-#define _PAM_LOG_STATE_DATA_STRING(pamh, ctrl, module_data_name) \
- _pam_log_state_datum(pamh, ctrl, 0, module_data_name, 1)
+#define _PAM_LOG_STATE_DATA_STRING(ctx, module_data_name) \
+ _pam_log_state_datum(ctx, 0, module_data_name, 1)
-#define _PAM_LOG_STATE_ITEM_POINTER(pamh, ctrl, item_type) \
- _pam_log_state_datum(pamh, ctrl, item_type, #item_type, 0)
+#define _PAM_LOG_STATE_ITEM_POINTER(ctx, item_type) \
+ _pam_log_state_datum(ctx, item_type, #item_type, 0)
-#define _PAM_LOG_STATE_ITEM_STRING(pamh, ctrl, item_type) \
- _pam_log_state_datum(pamh, ctrl, item_type, #item_type, 1)
+#define _PAM_LOG_STATE_ITEM_STRING(ctx, item_type) \
+ _pam_log_state_datum(ctx, item_type, #item_type, 1)
#ifdef DEBUG_PASSWORD
#define _LOG_PASSWORD_AS_STRING 1
#define _LOG_PASSWORD_AS_STRING 0
#endif
-#define _PAM_LOG_STATE_ITEM_PASSWORD(pamh, ctrl, item_type) \
- _pam_log_state_datum(pamh, ctrl, item_type, #item_type, \
+#define _PAM_LOG_STATE_ITEM_PASSWORD(ctx, item_type) \
+ _pam_log_state_datum(ctx, item_type, #item_type, \
_LOG_PASSWORD_AS_STRING)
-static void _pam_log_state(const pam_handle_t *pamh, int ctrl)
+static void _pam_log_state(struct pwb_context *ctx)
{
- if (!_pam_log_is_debug_state_enabled(ctrl)) {
+ if (!_pam_log_is_debug_state_enabled(ctx->ctrl)) {
return;
}
- _PAM_LOG_STATE_ITEM_STRING(pamh, ctrl, PAM_SERVICE);
- _PAM_LOG_STATE_ITEM_STRING(pamh, ctrl, PAM_USER);
- _PAM_LOG_STATE_ITEM_STRING(pamh, ctrl, PAM_TTY);
- _PAM_LOG_STATE_ITEM_STRING(pamh, ctrl, PAM_RHOST);
- _PAM_LOG_STATE_ITEM_STRING(pamh, ctrl, PAM_RUSER);
- _PAM_LOG_STATE_ITEM_PASSWORD(pamh, ctrl, PAM_OLDAUTHTOK);
- _PAM_LOG_STATE_ITEM_PASSWORD(pamh, ctrl, PAM_AUTHTOK);
- _PAM_LOG_STATE_ITEM_STRING(pamh, ctrl, PAM_USER_PROMPT);
- _PAM_LOG_STATE_ITEM_POINTER(pamh, ctrl, PAM_CONV);
+ _PAM_LOG_STATE_ITEM_STRING(ctx, PAM_SERVICE);
+ _PAM_LOG_STATE_ITEM_STRING(ctx, PAM_USER);
+ _PAM_LOG_STATE_ITEM_STRING(ctx, PAM_TTY);
+ _PAM_LOG_STATE_ITEM_STRING(ctx, PAM_RHOST);
+ _PAM_LOG_STATE_ITEM_STRING(ctx, PAM_RUSER);
+ _PAM_LOG_STATE_ITEM_PASSWORD(ctx, PAM_OLDAUTHTOK);
+ _PAM_LOG_STATE_ITEM_PASSWORD(ctx, PAM_AUTHTOK);
+ _PAM_LOG_STATE_ITEM_STRING(ctx, PAM_USER_PROMPT);
+ _PAM_LOG_STATE_ITEM_POINTER(ctx, PAM_CONV);
#ifdef PAM_FAIL_DELAY
- _PAM_LOG_STATE_ITEM_POINTER(pamh, ctrl, PAM_FAIL_DELAY);
+ _PAM_LOG_STATE_ITEM_POINTER(ctx, PAM_FAIL_DELAY);
#endif
#ifdef PAM_REPOSITORY
- _PAM_LOG_STATE_ITEM_POINTER(pamh, ctrl, PAM_REPOSITORY);
+ _PAM_LOG_STATE_ITEM_POINTER(ctx, PAM_REPOSITORY);
#endif
- _PAM_LOG_STATE_DATA_STRING(pamh, ctrl, PAM_WINBIND_HOMEDIR);
- _PAM_LOG_STATE_DATA_STRING(pamh, ctrl, PAM_WINBIND_LOGONSCRIPT);
- _PAM_LOG_STATE_DATA_STRING(pamh, ctrl, PAM_WINBIND_LOGONSERVER);
- _PAM_LOG_STATE_DATA_STRING(pamh, ctrl, PAM_WINBIND_PROFILEPATH);
- _PAM_LOG_STATE_DATA_STRING(pamh, ctrl,
+ _PAM_LOG_STATE_DATA_STRING(ctx, PAM_WINBIND_HOMEDIR);
+ _PAM_LOG_STATE_DATA_STRING(ctx, PAM_WINBIND_LOGONSCRIPT);
+ _PAM_LOG_STATE_DATA_STRING(ctx, PAM_WINBIND_LOGONSERVER);
+ _PAM_LOG_STATE_DATA_STRING(ctx, PAM_WINBIND_PROFILEPATH);
+ _PAM_LOG_STATE_DATA_STRING(ctx,
PAM_WINBIND_NEW_AUTHTOK_REQD);
/* Use atoi to get PAM result code */
- _PAM_LOG_STATE_DATA_STRING(pamh, ctrl,
+ _PAM_LOG_STATE_DATA_STRING(ctx,
PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH);
- _PAM_LOG_STATE_DATA_POINTER(pamh, ctrl, PAM_WINBIND_PWD_LAST_SET);
+ _PAM_LOG_STATE_DATA_POINTER(ctx, PAM_WINBIND_PWD_LAST_SET);
}
static int _pam_parse(const pam_handle_t *pamh,
ctrl |= WINBIND_WARN_PWD_EXPIRE;
}
+ if (iniparser_getboolean(d, "global:mkhomedir", false)) {
+ ctrl |= WINBIND_MKHOMEDIR;
+ }
+
config_from_pam:
/* step through arguments */
for (i=argc,v=argv; i-- > 0; ++v) {
ctrl |= WINBIND_KRB5_CCACHE_TYPE;
else if (!strcasecmp(*v, "cached_login"))
ctrl |= WINBIND_CACHED_LOGIN;
+ else if (!strcasecmp(*v, "mkhomedir"))
+ ctrl |= WINBIND_MKHOMEDIR;
else {
- _pam_log(pamh, ctrl, LOG_ERR,
+ __pam_log(pamh, ctrl, LOG_ERR,
"pam_parse: unknown option: %s", *v);
return -1;
}
return ctrl;
};
+static int _pam_winbind_free_context(struct pwb_context *ctx)
+{
+ if (!ctx) {
+ return 0;
+ }
+
+ if (ctx->dict) {
+ iniparser_freedict(ctx->dict);
+ }
+
+ return 0;
+}
+
+static int _pam_winbind_init_context(pam_handle_t *pamh,
+ int flags,
+ int argc,
+ const char **argv,
+ struct pwb_context **ctx_p)
+{
+ struct pwb_context *r = NULL;
+
+ r = TALLOC_ZERO_P(NULL, struct pwb_context);
+ if (!r) {
+ return PAM_BUF_ERR;
+ }
+
+ talloc_set_destructor(r, _pam_winbind_free_context);
+
+ r->pamh = pamh;
+ r->flags = flags;
+ r->argc = argc;
+ r->argv = argv;
+ r->ctrl = _pam_parse(pamh, flags, argc, argv, &r->dict);
+ if (r->ctrl == -1) {
+ TALLOC_FREE(r);
+ return PAM_SYSTEM_ERR;
+ }
+
+ *ctx_p = r;
+
+ return PAM_SUCCESS;
+}
+
static void _pam_winbind_cleanup_func(pam_handle_t *pamh,
void *data,
int error_status)
{
int ctrl = _pam_parse(pamh, 0, 0, NULL, NULL);
if (_pam_log_is_debug_state_enabled(ctrl)) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ __pam_log_debug(pamh, ctrl, LOG_DEBUG,
"[pamh: %p] CLEAN: cleaning up PAM data %p "
"(error_status = %d)", pamh, data,
error_status);
}
- SAFE_FREE(data);
+ TALLOC_FREE(data);
}
{NULL, NULL}
};
-const char *_get_ntstatus_error_string(const char *nt_status_string)
+static const char *_get_ntstatus_error_string(const char *nt_status_string)
{
int i;
for (i=0; ntstatus_errors[i].ntstatus_string != NULL; i++) {
/* Attempt a conversation */
-static int converse(pam_handle_t *pamh,
+static int converse(const pam_handle_t *pamh,
int nargs,
struct pam_message **message,
struct pam_response **response)
}
-static int _make_remark(pam_handle_t * pamh,
- int flags,
+static int _make_remark(struct pwb_context *ctx,
int type,
const char *text)
{
struct pam_message *pmsg[1], msg[1];
struct pam_response *resp;
- if (flags & WINBIND_SILENT) {
+ if (ctx->flags & WINBIND_SILENT) {
return PAM_SUCCESS;
}
msg[0].msg_style = type;
resp = NULL;
- retval = converse(pamh, 1, pmsg, &resp);
+ retval = converse(ctx->pamh, 1, pmsg, &resp);
if (resp) {
_pam_drop_reply(resp, 1);
return retval;
}
-static int _make_remark_v(pam_handle_t *pamh,
- int flags,
+static int _make_remark_v(struct pwb_context *ctx,
int type,
const char *format,
va_list args)
ret = vasprintf(&var, format, args);
if (ret < 0) {
- _pam_log(pamh, 0, LOG_ERR, "memory allocation failure");
+ _pam_log(ctx, LOG_ERR, "memory allocation failure");
return ret;
}
- ret = _make_remark(pamh, flags, type, var);
+ ret = _make_remark(ctx, type, var);
SAFE_FREE(var);
return ret;
}
-static int _make_remark_format(pam_handle_t * pamh, int flags, int type, const char *format, ...) PRINTF_ATTRIBUTE(4,5);
-static int _make_remark_format(pam_handle_t * pamh, int flags, int type, const char *format, ...)
+static int _make_remark_format(struct pwb_context *ctx, int type, const char *format, ...) PRINTF_ATTRIBUTE(3,4);
+static int _make_remark_format(struct pwb_context *ctx, int type, const char *format, ...)
{
int ret;
va_list args;
va_start(args, format);
- ret = _make_remark_v(pamh, flags, type, format, args);
+ ret = _make_remark_v(ctx, type, format, args);
va_end(args);
return ret;
}
-static int pam_winbind_request(pam_handle_t *pamh,
- int ctrl,
- enum winbindd_cmd req_type,
- struct winbindd_request *request,
- struct winbindd_response *response)
+static int pam_winbind_request_log(struct pwb_context *ctx,
+ int retval,
+ const char *user,
+ const char *fn)
{
- /* Fill in request and send down pipe */
- winbindd_init_request(request, req_type);
-
- if (winbind_write_sock(request, sizeof(*request), 0, 0) == -1) {
- _pam_log(pamh, ctrl, LOG_ERR,
- "pam_winbind_request: write to socket failed!");
- winbind_close_sock();
- return PAM_SERVICE_ERR;
- }
-
- /* Wait for reply */
- if (winbindd_read_reply(response) == -1) {
- _pam_log(pamh, ctrl, LOG_ERR,
- "pam_winbind_request: read from socket failed!");
- winbind_close_sock();
- return PAM_SERVICE_ERR;
- }
-
- /* We are done with the socket - close it and avoid mischeif */
- winbind_close_sock();
-
- /* Copy reply data from socket */
- if (response->result == WINBINDD_OK) {
- return PAM_SUCCESS;
- }
-
- /* no need to check for pam_error codes for getpwnam() */
- switch (req_type) {
-
- case WINBINDD_GETPWNAM:
- case WINBINDD_LOOKUPNAME:
- if (strlen(response->data.auth.nt_status_string) > 0) {
- _pam_log(pamh, ctrl, LOG_ERR,
- "request failed, NT error was %s",
- response->data.auth.nt_status_string);
- } else {
- _pam_log(pamh, ctrl, LOG_ERR, "request failed");
- }
- return PAM_USER_UNKNOWN;
- default:
- break;
- }
-
- if (response->data.auth.pam_error != PAM_SUCCESS) {
- _pam_log(pamh, ctrl, LOG_ERR,
- "request failed: %s, "
- "PAM error was %s (%d), NT error was %s",
- response->data.auth.error_string,
- pam_strerror(pamh, response->data.auth.pam_error),
- response->data.auth.pam_error,
- response->data.auth.nt_status_string);
- return response->data.auth.pam_error;
- }
-
- _pam_log(pamh, ctrl, LOG_ERR, "request failed, but PAM error 0!");
-
- return PAM_SERVICE_ERR;
-}
-
-static int pam_winbind_request_log(pam_handle_t *pamh,
- int ctrl,
- enum winbindd_cmd req_type,
- struct winbindd_request *request,
- struct winbindd_response *response,
- const char *user)
-{
- int retval;
-
- retval = pam_winbind_request(pamh, ctrl, req_type, request, response);
-
switch (retval) {
case PAM_AUTH_ERR:
/* incorrect password */
- _pam_log(pamh, ctrl, LOG_WARNING, "user '%s' denied access "
+ _pam_log(ctx, LOG_WARNING, "user '%s' denied access "
"(incorrect password or invalid membership)", user);
return retval;
case PAM_ACCT_EXPIRED:
/* account expired */
- _pam_log(pamh, ctrl, LOG_WARNING, "user '%s' account expired",
+ _pam_log(ctx, LOG_WARNING, "user '%s' account expired",
user);
return retval;
case PAM_AUTHTOK_EXPIRED:
/* password expired */
- _pam_log(pamh, ctrl, LOG_WARNING, "user '%s' password expired",
+ _pam_log(ctx, LOG_WARNING, "user '%s' password expired",
user);
return retval;
case PAM_NEW_AUTHTOK_REQD:
/* new password required */
- _pam_log(pamh, ctrl, LOG_WARNING, "user '%s' new password "
+ _pam_log(ctx, LOG_WARNING, "user '%s' new password "
"required", user);
return retval;
case PAM_USER_UNKNOWN:
/* the user does not exist */
- _pam_log_debug(pamh, ctrl, LOG_NOTICE, "user '%s' not found",
+ _pam_log_debug(ctx, LOG_NOTICE, "user '%s' not found",
user);
- if (ctrl & WINBIND_UNKNOWN_OK_ARG) {
+ if (ctx->ctrl & WINBIND_UNKNOWN_OK_ARG) {
return PAM_IGNORE;
}
return retval;
case PAM_SUCCESS:
/* Otherwise, the authentication looked good */
- switch (req_type) {
- case WINBINDD_INFO:
- break;
- case WINBINDD_PAM_AUTH:
- _pam_log(pamh, ctrl, LOG_NOTICE,
- "user '%s' granted access", user);
- break;
- case WINBINDD_PAM_CHAUTHTOK:
- _pam_log(pamh, ctrl, LOG_NOTICE,
- "user '%s' password changed", user);
- break;
- default:
- _pam_log(pamh, ctrl, LOG_NOTICE,
- "user '%s' OK", user);
- break;
+ if (strcmp(fn, "wbcLogonUser") == 0) {
+ _pam_log(ctx, LOG_NOTICE,
+ "user '%s' granted access", user);
+ } else {
+ _pam_log(ctx, LOG_NOTICE,
+ "user '%s' OK", user);
}
-
return retval;
default:
/* we don't know anything about this return value */
- _pam_log(pamh, ctrl, LOG_ERR,
- "internal module error (retval = %d, user = '%s')",
- retval, user);
+ _pam_log(ctx, LOG_ERR,
+ "internal module error (retval = %s(%d), user = '%s')",
+ _pam_error_code_str(retval), retval, user);
return retval;
}
}
+static int wbc_auth_error_to_pam_error(struct pwb_context *ctx,
+ struct wbcAuthErrorInfo *e,
+ wbcErr status,
+ const char *username,
+ const char *fn)
+{
+ int ret = PAM_AUTH_ERR;
+
+ if (WBC_ERROR_IS_OK(status)) {
+ _pam_log_debug(ctx, LOG_DEBUG, "request %s succeeded",
+ fn);
+ ret = PAM_SUCCESS;
+ return pam_winbind_request_log(ctx, ret, username, fn);
+ }
+
+ if (e) {
+ if (e->pam_error != PAM_SUCCESS) {
+ _pam_log(ctx, LOG_ERR,
+ "request %s failed: %s, "
+ "PAM error: %s (%d), NTSTATUS: %s, "
+ "Error message was: %s",
+ fn,
+ wbcErrorString(status),
+ _pam_error_code_str(e->pam_error),
+ e->pam_error,
+ e->nt_string,
+ e->display_string);
+ ret = e->pam_error;
+ return pam_winbind_request_log(ctx, ret, username, fn);
+ }
+
+ _pam_log(ctx, LOG_ERR, "request %s failed, but PAM error 0!", fn);
+
+ ret = PAM_SERVICE_ERR;
+ return pam_winbind_request_log(ctx, ret, username, fn);
+ }
+
+ ret = wbc_error_to_pam_error(status);
+ return pam_winbind_request_log(ctx, ret, username, fn);
+}
+
+
/**
* send a password expiry message if required
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param next_change expected (calculated) next expiry date.
* @param already_expired pointer to a boolean to indicate if the password is
* already expired.
* @return boolean Returns true if message has been sent, false if not.
*/
-static bool _pam_send_password_expiry_message(pam_handle_t *pamh,
- int ctrl,
+static bool _pam_send_password_expiry_message(struct pwb_context *ctx,
time_t next_change,
time_t now,
int warn_pwd_expire,
}
if (next_change <= now) {
- PAM_WB_REMARK_DIRECT(pamh, ctrl, "NT_STATUS_PASSWORD_EXPIRED");
+ PAM_WB_REMARK_DIRECT(ctx, "NT_STATUS_PASSWORD_EXPIRED");
if (already_expired) {
*already_expired = true;
}
(tm_now.tm_yday+tm_now.tm_year*365);
if (days == 0) {
- _make_remark(pamh, ctrl, PAM_TEXT_INFO,
+ _make_remark(ctx, PAM_TEXT_INFO,
"Your password expires today");
return true;
}
if (days > 0 && days < warn_pwd_expire) {
- _make_remark_format(pamh, ctrl, PAM_TEXT_INFO,
+ _make_remark_format(ctx, PAM_TEXT_INFO,
"Your password will expire in %d %s",
days, (days > 1) ? "days":"day");
return true;
/**
* Send a warning if the password expires in the near future
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param response The full authentication response structure.
* @param already_expired boolean, is the pwd already expired?
*
* @return void.
*/
-static void _pam_warn_password_expiry(pam_handle_t *pamh,
- int flags,
- const struct winbindd_response *response,
+static void _pam_warn_password_expiry(struct pwb_context *ctx,
+ const struct wbcAuthUserInfo *info,
+ const struct wbcUserPasswordPolicyInfo *policy,
int warn_pwd_expire,
bool *already_expired)
{
time_t now = time(NULL);
time_t next_change = 0;
+ if (!info || !policy) {
+ return;
+ }
+
if (already_expired) {
*already_expired = false;
}
- /* accounts with ACB_PWNOEXP set never receive a warning */
- if (response->data.auth.info3.acct_flags & ACB_PWNOEXP) {
+ /* accounts with WBC_ACB_PWNOEXP set never receive a warning */
+ if (info->acct_flags & WBC_ACB_PWNOEXP) {
return;
}
/* no point in sending a warning if this is a grace logon */
- if (PAM_WB_GRACE_LOGON(response->data.auth.info3.user_flgs)) {
+ if (PAM_WB_GRACE_LOGON(info->user_flags)) {
return;
}
/* check if the info3 must change timestamp has been set */
- next_change = response->data.auth.info3.pass_must_change_time;
+ next_change = info->pass_must_change_time;
- if (_pam_send_password_expiry_message(pamh, flags, next_change, now,
+ if (_pam_send_password_expiry_message(ctx, next_change, now,
warn_pwd_expire,
already_expired)) {
return;
/* now check for the global password policy */
/* good catch from Ralf Haferkamp: an expiry of "never" is translated
* to -1 */
- if (response->data.auth.policy.expire <= 0) {
+ if (policy->expire <= 0) {
return;
}
- next_change = response->data.auth.info3.pass_last_set_time +
- response->data.auth.policy.expire;
+ next_change = info->pass_last_set_time + policy->expire;
- if (_pam_send_password_expiry_message(pamh, flags, next_change, now,
+ if (_pam_send_password_expiry_message(ctx, next_change, now,
warn_pwd_expire,
already_expired)) {
return;
/**
* Convert a names into a SID string, appending it to a buffer.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param user User in PAM request.
* @param name Name to convert.
* @param sid_list_buffer Where to append the string sid.
*
* @return false on failure, true on success.
*/
-static bool winbind_name_to_sid_string(pam_handle_t *pamh,
- int ctrl,
+static bool winbind_name_to_sid_string(struct pwb_context *ctx,
const char *user,
const char *name,
char *sid_list_buffer,
int sid_list_buffer_size)
{
const char* sid_string;
- struct winbindd_response sid_response;
/* lookup name? */
if (IS_SID_STRING(name)) {
sid_string = name;
} else {
- struct winbindd_request sid_request;
-
- ZERO_STRUCT(sid_request);
- ZERO_STRUCT(sid_response);
+ wbcErr wbc_status;
+ struct wbcDomainSid sid;
+ enum wbcSidType type;
+ char *sid_str;
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"no sid given, looking up: %s\n", name);
- /* fortunatly winbindd can handle non-separated names */
- strncpy(sid_request.data.name.name, name,
- sizeof(sid_request.data.name.name) - 1);
-
- if (pam_winbind_request_log(pamh, ctrl, WINBINDD_LOOKUPNAME,
- &sid_request, &sid_response,
- user)) {
- _pam_log(pamh, ctrl, LOG_INFO,
+ wbc_status = wbcLookupName("", name, &sid, &type);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ _pam_log(ctx, LOG_INFO,
"could not lookup name: %s\n", name);
return false;
}
- sid_string = sid_response.data.sid.sid;
+ wbc_status = wbcSidToString(&sid, &sid_str);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ return false;
+ }
+
+ wbcFreeMemory(sid_str);
+ sid_string = sid_str;
}
if (!safe_append_string(sid_list_buffer, sid_string,
/**
* Convert a list of names into a list of sids.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param user User in PAM request.
* @param name_list List of names or string sids, separated by commas.
* @param sid_list_buffer Where to put the list of string sids.
*
* @return false on failure, true on success.
*/
-static bool winbind_name_list_to_sid_string_list(pam_handle_t *pamh,
- int ctrl,
+static bool winbind_name_list_to_sid_string_list(struct pwb_context *ctx,
const char *user,
const char *name_list,
char *sid_list_buffer,
goto out;
}
- if (!winbind_name_to_sid_string(pamh, ctrl, user,
+ if (!winbind_name_to_sid_string(ctx, user,
current_name,
sid_list_buffer,
sid_list_buffer_size)) {
search_location = comma + 1;
}
- if (!winbind_name_to_sid_string(pamh, ctrl, user, search_location,
+ if (!winbind_name_to_sid_string(ctx, user, search_location,
sid_list_buffer,
sid_list_buffer_size)) {
goto out;
/**
* put krb5ccname variable into environment
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param krb5ccname env variable retrieved from winbindd.
*
* @return void.
*/
-static void _pam_setup_krb5_env(pam_handle_t *pamh,
- int ctrl,
- const char *krb5ccname)
+static void _pam_setup_krb5_env(struct pwb_context *ctx,
+ struct wbcLogonUserInfo *info)
{
char var[PATH_MAX];
int ret;
+ uint32_t i;
+ const char *krb5ccname = NULL;
- if (off(ctrl, WINBIND_KRB5_AUTH)) {
+ if (off(ctx->ctrl, WINBIND_KRB5_AUTH)) {
return;
}
+ if (!info) {
+ return;
+ }
+
+ for (i=0; i < info->num_blobs; i++) {
+ if (strcasecmp(info->blobs[i].name, "krb5ccname") == 0) {
+ krb5ccname = (const char *)info->blobs[i].blob.data;
+ break;
+ }
+ }
+
if (!krb5ccname || (strlen(krb5ccname) == 0)) {
return;
}
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"request returned KRB5CCNAME: %s", krb5ccname);
if (snprintf(var, sizeof(var), "KRB5CCNAME=%s", krb5ccname) == -1) {
return;
}
- ret = pam_putenv(pamh, var);
+ ret = pam_putenv(ctx->pamh, var);
if (ret) {
- _pam_log(pamh, ctrl, LOG_ERR,
+ _pam_log(ctx, LOG_ERR,
"failed to set KRB5CCNAME to %s: %s",
- var, pam_strerror(pamh, ret));
+ var, pam_strerror(ctx->pamh, ret));
+ }
+}
+
+/**
+ * Copy unix username if available (further processed in PAM).
+ *
+ * @param ctx PAM winbind context
+ * @param user_ret A pointer that holds a pointer to a string
+ * @param unix_username A username
+ *
+ * @return void.
+ */
+
+static void _pam_setup_unix_username(struct pwb_context *ctx,
+ char **user_ret,
+ struct wbcLogonUserInfo *info)
+{
+ const char *unix_username = NULL;
+ uint32_t i;
+
+ if (!user_ret || !info) {
+ return;
+ }
+
+ for (i=0; i < info->num_blobs; i++) {
+ if (strcasecmp(info->blobs[i].name, "unix_username") == 0) {
+ unix_username = (const char *)info->blobs[i].blob.data;
+ break;
+ }
+ }
+
+ if (!unix_username || !unix_username[0]) {
+ return;
}
+
+ *user_ret = strdup(unix_username);
}
/**
* Set string into the PAM stack.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param data_name Key name for pam_set_data.
* @param value String value.
*
* @return void.
*/
-static void _pam_set_data_string(pam_handle_t *pamh,
- int ctrl,
+static void _pam_set_data_string(struct pwb_context *ctx,
const char *data_name,
const char *value)
{
return;
}
- ret = pam_set_data(pamh, data_name, (void *)strdup(value),
+ ret = pam_set_data(ctx->pamh, data_name, talloc_strdup(NULL, value),
_pam_winbind_cleanup_func);
if (ret) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"Could not set data %s: %s\n",
- data_name, pam_strerror(pamh, ret));
+ data_name, pam_strerror(ctx->pamh, ret));
}
-
}
/**
* Set info3 strings into the PAM stack.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param data_name Key name for pam_set_data.
* @param value String value.
*
* @return void.
*/
-static void _pam_set_data_info3(pam_handle_t *pamh,
- int ctrl,
- struct winbindd_response *response)
+static void _pam_set_data_info3(struct pwb_context *ctx,
+ const struct wbcAuthUserInfo *info)
{
- _pam_set_data_string(pamh, ctrl, PAM_WINBIND_HOMEDIR,
- response->data.auth.info3.home_dir);
- _pam_set_data_string(pamh, ctrl, PAM_WINBIND_LOGONSCRIPT,
- response->data.auth.info3.logon_script);
- _pam_set_data_string(pamh, ctrl, PAM_WINBIND_LOGONSERVER,
- response->data.auth.info3.logon_srv);
- _pam_set_data_string(pamh, ctrl, PAM_WINBIND_PROFILEPATH,
- response->data.auth.info3.profile_path);
+ _pam_set_data_string(ctx, PAM_WINBIND_HOMEDIR,
+ info->home_directory);
+ _pam_set_data_string(ctx, PAM_WINBIND_LOGONSCRIPT,
+ info->logon_script);
+ _pam_set_data_string(ctx, PAM_WINBIND_LOGONSERVER,
+ info->logon_server);
+ _pam_set_data_string(ctx, PAM_WINBIND_PROFILEPATH,
+ info->profile_path);
}
/**
/**
* Send PAM_ERROR_MSG for cached or grace logons.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param username User in PAM request.
* @param info3_user_flgs Info3 flags containing logon type bits.
*
* @return void.
*/
-static void _pam_warn_logon_type(pam_handle_t *pamh,
- int ctrl,
+static void _pam_warn_logon_type(struct pwb_context *ctx,
const char *username,
uint32_t info3_user_flgs)
{
/* inform about logon type */
if (PAM_WB_GRACE_LOGON(info3_user_flgs)) {
- _make_remark(pamh, ctrl, PAM_ERROR_MSG,
+ _make_remark(ctx, PAM_ERROR_MSG,
"Grace login. "
"Please change your password as soon you're "
"online again");
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"User %s logged on using grace logon\n",
username);
} else if (PAM_WB_CACHED_LOGON(info3_user_flgs)) {
- _make_remark(pamh, ctrl, PAM_ERROR_MSG,
+ _make_remark(ctx, PAM_ERROR_MSG,
"Domain Controller unreachable, "
"using cached credentials instead. "
"Network resources may be unavailable");
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"User %s logged on using cached credentials\n",
username);
}
/**
* Send PAM_ERROR_MSG for krb5 errors.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param username User in PAM request.
* @param info3_user_flgs Info3 flags containing logon type bits.
*
* @return void.
*/
-static void _pam_warn_krb5_failure(pam_handle_t *pamh,
- int ctrl,
+static void _pam_warn_krb5_failure(struct pwb_context *ctx,
const char *username,
uint32_t info3_user_flgs)
{
if (PAM_WB_KRB5_CLOCK_SKEW(info3_user_flgs)) {
- _make_remark(pamh, ctrl, PAM_ERROR_MSG,
+ _make_remark(ctx, PAM_ERROR_MSG,
"Failed to establish your Kerberos Ticket cache "
"due time differences\n"
"with the domain controller. "
"Please verify the system time.\n");
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"User %s: Clock skew when getting Krb5 TGT\n",
username);
}
}
+static bool _pam_check_remark_auth_err(struct pwb_context *ctx,
+ const struct wbcAuthErrorInfo *e,
+ const char *nt_status_string,
+ int *pam_error)
+{
+ const char *ntstatus = NULL;
+ const char *error_string = NULL;
+
+ if (!e || !pam_error) {
+ return false;
+ }
+
+ ntstatus = e->nt_string;
+ if (!ntstatus) {
+ return false;
+ }
+
+ if (strcasecmp(ntstatus, nt_status_string) == 0) {
+
+ error_string = _get_ntstatus_error_string(nt_status_string);
+ if (error_string) {
+ _make_remark(ctx, PAM_ERROR_MSG, error_string);
+ *pam_error = e->pam_error;
+ return true;
+ }
+
+ if (e->display_string) {
+ _make_remark(ctx, PAM_ERROR_MSG, e->display_string);
+ *pam_error = e->pam_error;
+ return true;
+ }
+
+ _make_remark(ctx, PAM_ERROR_MSG, nt_status_string);
+ *pam_error = e->pam_error;
+
+ return true;
+ }
+
+ return false;
+};
+
/**
* Compose Password Restriction String for a PAM_ERROR_MSG conversation.
*
- * @param response The struct winbindd_response.
+ * @param i The wbcUserPasswordPolicyInfo struct.
*
- * @return string (caller needs to free).
+ * @return string (caller needs to talloc_free).
*/
-static char *_pam_compose_pwd_restriction_string(struct winbindd_response *response)
+static char *_pam_compose_pwd_restriction_string(struct pwb_context *ctx,
+ struct wbcUserPasswordPolicyInfo *i)
{
char *str = NULL;
- size_t offset = 0, ret = 0, str_size = 1024;
- str = (char *)malloc(str_size);
- if (!str) {
- return NULL;
+ if (!i) {
+ goto failed;
}
- memset(str, '\0', str_size);
-
- offset = snprintf(str, str_size, "Your password ");
- if (offset == -1) {
+ str = talloc_asprintf(ctx, "Your password ");
+ if (!str) {
goto failed;
}
- if (response->data.auth.policy.min_length_password > 0) {
- ret = snprintf(str+offset, str_size-offset,
+ if (i->min_length_password > 0) {
+ str = talloc_asprintf_append(str,
"must be at least %d characters; ",
- response->data.auth.policy.min_length_password);
- if (ret == -1) {
+ i->min_length_password);
+ if (!str) {
goto failed;
}
- offset += ret;
}
- if (response->data.auth.policy.password_history > 0) {
- ret = snprintf(str+offset, str_size-offset,
+ if (i->password_history > 0) {
+ str = talloc_asprintf_append(str,
"cannot repeat any of your previous %d "
"passwords; ",
- response->data.auth.policy.password_history);
- if (ret == -1) {
+ i->password_history);
+ if (!str) {
goto failed;
}
- offset += ret;
}
- if (response->data.auth.policy.password_properties &
- DOMAIN_PASSWORD_COMPLEX) {
- ret = snprintf(str+offset, str_size-offset,
+ if (i->password_properties & WBC_DOMAIN_PASSWORD_COMPLEX) {
+ str = talloc_asprintf_append(str,
"must contain capitals, numerals "
"or punctuation; "
"and cannot contain your account "
"or full name; ");
- if (ret == -1) {
+ if (!str) {
goto failed;
}
- offset += ret;
}
- ret = snprintf(str+offset, str_size-offset,
+ str = talloc_asprintf_append(str,
"Please type a different password. "
"Type a password which meets these requirements in "
"both text boxes.");
- if (ret == -1) {
+ if (!str) {
goto failed;
}
return str;
failed:
- SAFE_FREE(str);
+ TALLOC_FREE(str);
return NULL;
}
+static int _pam_create_homedir(struct pwb_context *ctx,
+ const char *dirname,
+ mode_t mode)
+{
+ struct stat sbuf;
+
+ if (stat(dirname, &sbuf) == 0) {
+ return PAM_SUCCESS;
+ }
+
+ if (mkdir(dirname, mode) != 0) {
+
+ _make_remark_format(ctx, PAM_TEXT_INFO,
+ "Creating directory: %s failed: %s",
+ dirname, strerror(errno));
+ _pam_log(ctx, LOG_ERR, "could not create dir: %s (%s)",
+ dirname, strerror(errno));
+ return PAM_PERM_DENIED;
+ }
+
+ return PAM_SUCCESS;
+}
+
+static int _pam_chown_homedir(struct pwb_context *ctx,
+ const char *dirname,
+ uid_t uid,
+ gid_t gid)
+{
+ if (chown(dirname, uid, gid) != 0) {
+ _pam_log(ctx, LOG_ERR, "failed to chown user homedir: %s (%s)",
+ dirname, strerror(errno));
+ return PAM_PERM_DENIED;
+ }
+
+ return PAM_SUCCESS;
+}
+
+static int _pam_mkhomedir(struct pwb_context *ctx)
+{
+ struct passwd *pwd = NULL;
+ char *token = NULL;
+ char *create_dir = NULL;
+ char *user_dir = NULL;
+ int ret;
+ const char *username;
+ mode_t mode = 0700;
+ char *safe_ptr = NULL;
+ char *p = NULL;
+
+ /* Get the username */
+ ret = pam_get_user(ctx->pamh, &username, NULL);
+ if ((ret != PAM_SUCCESS) || (!username)) {
+ _pam_log_debug(ctx, LOG_DEBUG, "can not get the username");
+ return PAM_SERVICE_ERR;
+ }
+
+ pwd = getpwnam(username);
+ if (pwd == NULL) {
+ _pam_log_debug(ctx, LOG_DEBUG, "can not get the username");
+ return PAM_USER_UNKNOWN;
+ }
+ _pam_log_debug(ctx, LOG_DEBUG, "homedir is: %s", pwd->pw_dir);
+
+ ret = _pam_create_homedir(ctx, pwd->pw_dir, 0700);
+ if (ret == PAM_SUCCESS) {
+ ret = _pam_chown_homedir(ctx, pwd->pw_dir,
+ pwd->pw_uid,
+ pwd->pw_gid);
+ }
+
+ if (ret == PAM_SUCCESS) {
+ return ret;
+ }
+
+ /* maybe we need to create parent dirs */
+ create_dir = talloc_strdup(ctx, "/");
+ if (!create_dir) {
+ return PAM_BUF_ERR;
+ }
+
+ /* find final directory */
+ user_dir = strrchr(pwd->pw_dir, '/');
+ if (!user_dir) {
+ return PAM_BUF_ERR;
+ }
+ user_dir++;
+
+ _pam_log(ctx, LOG_DEBUG, "final directory: %s", user_dir);
+
+ p = pwd->pw_dir;
+
+ while ((token = strtok_r(p, "/", &safe_ptr)) != NULL) {
+
+ mode = 0755;
+
+ p = NULL;
+
+ _pam_log_debug(ctx, LOG_DEBUG, "token is %s", token);
+
+ create_dir = talloc_asprintf_append(create_dir, "%s/", token);
+ if (!create_dir) {
+ return PAM_BUF_ERR;
+ }
+ _pam_log_debug(ctx, LOG_DEBUG, "current_dir is %s", create_dir);
+
+ if (strcmp(token, user_dir) == 0) {
+ _pam_log_debug(ctx, LOG_DEBUG, "assuming last directory: %s", token);
+ mode = 0700;
+ }
+
+ ret = _pam_create_homedir(ctx, create_dir, mode);
+ if (ret) {
+ return ret;
+ }
+ }
+
+ return _pam_chown_homedir(ctx, create_dir,
+ pwd->pw_uid,
+ pwd->pw_gid);
+}
+
/* talk to winbindd */
-static int winbind_auth_request(pam_handle_t * pamh,
- int ctrl,
+static int winbind_auth_request(struct pwb_context *ctx,
const char *user,
const char *pass,
const char *member,
const char *cctype,
const int warn_pwd_expire,
- struct winbindd_response *p_response,
+ struct wbcAuthErrorInfo **p_error,
+ struct wbcLogonUserInfo **p_info,
+ struct wbcUserPasswordPolicyInfo **p_policy,
time_t *pwd_last_set,
char **user_ret)
{
- struct winbindd_request request;
- struct winbindd_response response;
- int ret;
- bool already_expired = false;
+ wbcErr wbc_status;
+
+ struct wbcLogonUserParams logon;
+ char membership_of[1024];
+ uid_t user_uid = -1;
+ uint32_t flags = WBFLAG_PAM_INFO3_TEXT |
+ WBFLAG_PAM_GET_PWD_POLICY;
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
+ struct wbcLogonUserInfo *info = NULL;
+ struct wbcAuthUserInfo *user_info = NULL;
+ struct wbcAuthErrorInfo *error = NULL;
+ struct wbcUserPasswordPolicyInfo *policy = NULL;
+
+ int ret = PAM_AUTH_ERR;
+ int i;
+ const char *codes[] = {
+ "NT_STATUS_PASSWORD_EXPIRED",
+ "NT_STATUS_PASSWORD_MUST_CHANGE",
+ "NT_STATUS_INVALID_WORKSTATION",
+ "NT_STATUS_INVALID_LOGON_HOURS",
+ "NT_STATUS_ACCOUNT_EXPIRED",
+ "NT_STATUS_ACCOUNT_DISABLED",
+ "NT_STATUS_ACCOUNT_LOCKED_OUT",
+ "NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT",
+ "NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT",
+ "NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT",
+ "NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND",
+ "NT_STATUS_NO_LOGON_SERVERS",
+ "NT_STATUS_WRONG_PASSWORD",
+ "NT_STATUS_ACCESS_DENIED"
+ };
if (pwd_last_set) {
*pwd_last_set = 0;
}
- strncpy(request.data.auth.user, user,
- sizeof(request.data.auth.user)-1);
-
- strncpy(request.data.auth.pass, pass,
- sizeof(request.data.auth.pass)-1);
+ /* Krb5 auth always has to go against the KDC of the user's realm */
- request.data.auth.krb5_cc_type[0] = '\0';
- request.data.auth.uid = -1;
-
- request.flags = WBFLAG_PAM_INFO3_TEXT |
- WBFLAG_PAM_GET_PWD_POLICY |
- WBFLAG_PAM_CONTACT_TRUSTDOM;
+ if (ctx->ctrl & WINBIND_KRB5_AUTH) {
+ flags |= WBFLAG_PAM_CONTACT_TRUSTDOM;
+ }
- if (ctrl & (WINBIND_KRB5_AUTH|WINBIND_CACHED_LOGIN)) {
+ if (ctx->ctrl & (WINBIND_KRB5_AUTH|WINBIND_CACHED_LOGIN)) {
struct passwd *pwd = NULL;
pwd = getpwnam(user);
if (pwd == NULL) {
return PAM_USER_UNKNOWN;
}
- request.data.auth.uid = pwd->pw_uid;
+ user_uid = pwd->pw_uid;
}
- if (ctrl & WINBIND_KRB5_AUTH) {
+ if (ctx->ctrl & WINBIND_KRB5_AUTH) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"enabling krb5 login flag\n");
- request.flags |= WBFLAG_PAM_KRB5 |
- WBFLAG_PAM_FALLBACK_AFTER_KRB5;
+ flags |= WBFLAG_PAM_KRB5 |
+ WBFLAG_PAM_FALLBACK_AFTER_KRB5;
}
- if (ctrl & WINBIND_CACHED_LOGIN) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ if (ctx->ctrl & WINBIND_CACHED_LOGIN) {
+ _pam_log_debug(ctx, LOG_DEBUG,
"enabling cached login flag\n");
- request.flags |= WBFLAG_PAM_CACHED_LOGIN;
+ flags |= WBFLAG_PAM_CACHED_LOGIN;
}
if (user_ret) {
*user_ret = NULL;
- request.flags |= WBFLAG_PAM_UNIX_NAME;
+ flags |= WBFLAG_PAM_UNIX_NAME;
}
if (cctype != NULL) {
- strncpy(request.data.auth.krb5_cc_type, cctype,
- sizeof(request.data.auth.krb5_cc_type) - 1);
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"enabling request for a %s krb5 ccache\n",
cctype);
}
- request.data.auth.require_membership_of_sid[0] = '\0';
-
if (member != NULL) {
- if (!winbind_name_list_to_sid_string_list(pamh, ctrl, user,
- member,
- request.data.auth.require_membership_of_sid,
- sizeof(request.data.auth.require_membership_of_sid))) {
+ ZERO_STRUCT(membership_of);
- _pam_log_debug(pamh, ctrl, LOG_ERR,
+ if (!winbind_name_list_to_sid_string_list(ctx, user, member,
+ membership_of,
+ sizeof(membership_of))) {
+ _pam_log_debug(ctx, LOG_ERR,
"failed to serialize membership of sid "
"\"%s\"\n", member);
return PAM_AUTH_ERR;
}
}
- ret = pam_winbind_request_log(pamh, ctrl, WINBINDD_PAM_AUTH,
- &request, &response, user);
+ ZERO_STRUCT(logon);
- if (pwd_last_set) {
- *pwd_last_set = response.data.auth.info3.pass_last_set_time;
+ logon.username = user;
+ logon.password = pass;
+
+ wbc_status = wbcAddNamedBlob(&logon.num_blobs,
+ &logon.blobs,
+ "krb5_cc_type",
+ 0,
+ (uint8_t *)cctype,
+ strlen(cctype)+1);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto done;
+ }
+
+ wbc_status = wbcAddNamedBlob(&logon.num_blobs,
+ &logon.blobs,
+ "flags",
+ 0,
+ (uint8_t *)&flags,
+ sizeof(flags));
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto done;
+ }
+
+ wbc_status = wbcAddNamedBlob(&logon.num_blobs,
+ &logon.blobs,
+ "user_uid",
+ 0,
+ (uint8_t *)&user_uid,
+ sizeof(user_uid));
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto done;
}
- if (p_response) {
- /* We want to process the response in the caller. */
- *p_response = response;
+ wbc_status = wbcAddNamedBlob(&logon.num_blobs,
+ &logon.blobs,
+ "membership_of",
+ 0,
+ (uint8_t *)membership_of,
+ sizeof(membership_of));
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto done;
+ }
+
+ wbc_status = wbcLogonUser(&logon, &info, &error, &policy);
+ ret = wbc_auth_error_to_pam_error(ctx, error, wbc_status,
+ user, "wbcLogonUser");
+ wbcFreeMemory(logon.blobs);
+ logon.blobs = NULL;
+
+ if (info && info->info) {
+ user_info = info->info;
+ }
+
+ if (pwd_last_set && user_info) {
+ *pwd_last_set = user_info->pass_last_set_time;
+ }
+
+ if (p_info && info) {
+ *p_info = info;
+ }
+
+ if (p_policy && policy) {
+ *p_policy = policy;
+ }
+
+ if (p_error && error) {
+ /* We want to process the error in the caller. */
+ *p_error = error;
return ret;
}
- if (ret) {
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_PASSWORD_EXPIRED");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_PASSWORD_MUST_CHANGE");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_INVALID_WORKSTATION");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_INVALID_LOGON_HOURS");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_ACCOUNT_EXPIRED");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_ACCOUNT_DISABLED");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_ACCOUNT_LOCKED_OUT");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_NO_LOGON_SERVERS");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_WRONG_PASSWORD");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_ACCESS_DENIED");
+ for (i=0; i<ARRAY_SIZE(codes); i++) {
+ int _ret = ret;
+ if (_pam_check_remark_auth_err(ctx, error, codes[i], &_ret)) {
+ ret = _ret;
+ goto done;
+ }
}
- if (ret == PAM_SUCCESS) {
+ if ((ret == PAM_SUCCESS) && user_info && policy && info) {
+
+ bool already_expired = false;
/* warn a user if the password is about to expire soon */
- _pam_warn_password_expiry(pamh, ctrl, &response,
+ _pam_warn_password_expiry(ctx, user_info, policy,
warn_pwd_expire,
&already_expired);
if (already_expired == true) {
- SMB_TIME_T last_set;
- last_set = response.data.auth.info3.pass_last_set_time;
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+
+ SMB_TIME_T last_set = user_info->pass_last_set_time;
+
+ _pam_log_debug(ctx, LOG_DEBUG,
"Password has expired "
"(Password was last set: %lld, "
"the policy says it should expire here "
"%lld (now it's: %lu))\n",
(long long int)last_set,
(long long int)last_set +
- response.data.auth.policy.expire,
+ policy->expire,
time(NULL));
return PAM_AUTHTOK_EXPIRED;
}
/* inform about logon type */
- _pam_warn_logon_type(pamh, ctrl, user,
- response.data.auth.info3.user_flgs);
+ _pam_warn_logon_type(ctx, user, user_info->user_flags);
/* inform about krb5 failures */
- _pam_warn_krb5_failure(pamh, ctrl, user,
- response.data.auth.info3.user_flgs);
+ _pam_warn_krb5_failure(ctx, user, user_info->user_flags);
/* set some info3 info for other modules in the stack */
- _pam_set_data_info3(pamh, ctrl, &response);
+ _pam_set_data_info3(ctx, user_info);
/* put krb5ccname into env */
- _pam_setup_krb5_env(pamh, ctrl, response.data.auth.krb5ccname);
+ _pam_setup_krb5_env(ctx, info);
/* If winbindd returned a username, return the pointer to it
* here. */
- if (user_ret && response.data.auth.unix_username[0]) {
- /* We have to trust it's a null terminated string. */
- *user_ret = strndup(response.data.auth.unix_username,
- sizeof(response.data.auth.unix_username) - 1);
- }
+ _pam_setup_unix_username(ctx, user_ret, info);
+ }
+
+ done:
+ if (logon.blobs) {
+ wbcFreeMemory(logon.blobs);
+ }
+ if (info && info->blobs) {
+ wbcFreeMemory(info->blobs);
+ }
+ if (error && !p_error) {
+ wbcFreeMemory(error);
+ }
+ if (info && !p_info) {
+ wbcFreeMemory(info);
+ }
+ if (policy && !p_policy) {
+ wbcFreeMemory(policy);
}
return ret;
}
/* talk to winbindd */
-static int winbind_chauthtok_request(pam_handle_t * pamh,
- int ctrl,
+static int winbind_chauthtok_request(struct pwb_context *ctx,
const char *user,
const char *oldpass,
const char *newpass,
time_t pwd_last_set)
{
- struct winbindd_request request;
- struct winbindd_response response;
- int ret;
+ wbcErr wbc_status;
+ struct wbcChangePasswordParams params;
+ struct wbcAuthErrorInfo *error = NULL;
+ struct wbcUserPasswordPolicyInfo *policy = NULL;
+ enum wbcPasswordChangeRejectReason reject_reason = -1;
+ uint32_t flags = 0;
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
-
- if (request.data.chauthtok.user == NULL) {
- return -2;
- }
+ int i;
+ const char *codes[] = {
+ "NT_STATUS_BACKUP_CONTROLLER",
+ "NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND",
+ "NT_STATUS_NO_LOGON_SERVERS",
+ "NT_STATUS_ACCESS_DENIED",
+ "NT_STATUS_PWD_TOO_SHORT", /* TODO: tell the min pwd length ? */
+ "NT_STATUS_PWD_TOO_RECENT", /* TODO: tell the minage ? */
+ "NT_STATUS_PWD_HISTORY_CONFLICT" /* TODO: tell the history length ? */
+ };
+ int ret = PAM_AUTH_ERR;
- strncpy(request.data.chauthtok.user, user,
- sizeof(request.data.chauthtok.user) - 1);
+ ZERO_STRUCT(params);
- if (oldpass != NULL) {
- strncpy(request.data.chauthtok.oldpass, oldpass,
- sizeof(request.data.chauthtok.oldpass) - 1);
- } else {
- request.data.chauthtok.oldpass[0] = '\0';
+ if (ctx->ctrl & WINBIND_KRB5_AUTH) {
+ flags |= WBFLAG_PAM_KRB5 |
+ WBFLAG_PAM_CONTACT_TRUSTDOM;
}
- if (newpass != NULL) {
- strncpy(request.data.chauthtok.newpass, newpass,
- sizeof(request.data.chauthtok.newpass) - 1);
- } else {
- request.data.chauthtok.newpass[0] = '\0';
+ if (ctx->ctrl & WINBIND_CACHED_LOGIN) {
+ flags |= WBFLAG_PAM_CACHED_LOGIN;
}
- if (ctrl & WINBIND_KRB5_AUTH) {
- request.flags = WBFLAG_PAM_KRB5 |
- WBFLAG_PAM_CONTACT_TRUSTDOM;
- }
+ params.account_name = user;
+ params.level = WBC_AUTH_USER_LEVEL_PLAIN;
+ params.old_password.plaintext = oldpass;
+ params.new_password.plaintext = newpass;
+ params.flags = flags;
- ret = pam_winbind_request_log(pamh, ctrl, WINBINDD_PAM_CHAUTHTOK,
- &request, &response, user);
+ wbc_status = wbcChangeUserPasswordEx(¶ms, &error, &reject_reason, &policy);
+ ret = wbc_auth_error_to_pam_error(ctx, error, wbc_status,
+ user, "wbcChangeUserPasswordEx");
- if (ret == PAM_SUCCESS) {
- return ret;
+ if (WBC_ERROR_IS_OK(wbc_status)) {
+ _pam_log(ctx, LOG_NOTICE,
+ "user '%s' password changed", user);
+ return PAM_SUCCESS;
}
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_BACKUP_CONTROLLER");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_NO_LOGON_SERVERS");
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_ACCESS_DENIED");
-
- /* TODO: tell the min pwd length ? */
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_PWD_TOO_SHORT");
-
- /* TODO: tell the minage ? */
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_PWD_TOO_RECENT");
+ if (!error) {
+ wbcFreeMemory(policy);
+ return ret;
+ }
- /* TODO: tell the history length ? */
- PAM_WB_REMARK_CHECK_RESPONSE_RET(pamh, ctrl, response,
- "NT_STATUS_PWD_HISTORY_CONFLICT");
+ for (i=0; i<ARRAY_SIZE(codes); i++) {
+ int _ret = ret;
+ if (_pam_check_remark_auth_err(ctx, error, codes[i], &_ret)) {
+ ret = _ret;
+ goto done;
+ }
+ }
- if (!strcasecmp(response.data.auth.nt_status_string,
+ if (!strcasecmp(error->nt_string,
"NT_STATUS_PASSWORD_RESTRICTION")) {
char *pwd_restriction_string = NULL;
- SMB_TIME_T min_pwd_age;
- uint32_t reject_reason = response.data.auth.reject_reason;
- min_pwd_age = response.data.auth.policy.min_passwordage;
+ SMB_TIME_T min_pwd_age = 0;
+
+ if (policy) {
+ min_pwd_age = policy->min_passwordage;
+ }
/* FIXME: avoid to send multiple PAM messages after another */
switch (reject_reason) {
case -1:
break;
- case SAMR_REJECT_OTHER:
+ case WBC_PWD_CHANGE_REJECT_OTHER:
if ((min_pwd_age > 0) &&
(pwd_last_set + min_pwd_age > time(NULL))) {
- PAM_WB_REMARK_DIRECT(pamh, ctrl,
+ PAM_WB_REMARK_DIRECT(ctx,
"NT_STATUS_PWD_TOO_RECENT");
}
break;
- case SAMR_REJECT_TOO_SHORT:
- PAM_WB_REMARK_DIRECT(pamh, ctrl,
+ case WBC_PWD_CHANGE_REJECT_TOO_SHORT:
+ PAM_WB_REMARK_DIRECT(ctx,
"NT_STATUS_PWD_TOO_SHORT");
break;
- case SAMR_REJECT_IN_HISTORY:
- PAM_WB_REMARK_DIRECT(pamh, ctrl,
+ case WBC_PWD_CHANGE_REJECT_IN_HISTORY:
+ PAM_WB_REMARK_DIRECT(ctx,
"NT_STATUS_PWD_HISTORY_CONFLICT");
break;
- case SAMR_REJECT_COMPLEXITY:
- _make_remark(pamh, ctrl, PAM_ERROR_MSG,
+ case WBC_PWD_CHANGE_REJECT_COMPLEXITY:
+ _make_remark(ctx, PAM_ERROR_MSG,
"Password does not meet "
"complexity requirements");
break;
default:
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"unknown password change "
"reject reason: %d",
reject_reason);
}
pwd_restriction_string =
- _pam_compose_pwd_restriction_string(&response);
+ _pam_compose_pwd_restriction_string(ctx, policy);
if (pwd_restriction_string) {
- _make_remark(pamh, ctrl, PAM_ERROR_MSG,
+ _make_remark(ctx, PAM_ERROR_MSG,
pwd_restriction_string);
- SAFE_FREE(pwd_restriction_string);
+ TALLOC_FREE(pwd_restriction_string);
}
}
+ done:
+ wbcFreeMemory(error);
+ wbcFreeMemory(policy);
return ret;
}
* 0 = OK
* -1 = System error
*/
-static int valid_user(pam_handle_t *pamh,
- int ctrl,
+static int valid_user(struct pwb_context *ctx,
const char *user)
{
/* check not only if the user is available over NSS calls, also make
* sure it's really a winbind user, this is important when stacking PAM
* modules in the 'account' or 'password' facility. */
+ wbcErr wbc_status;
struct passwd *pwd = NULL;
- struct winbindd_request request;
- struct winbindd_response response;
- int ret;
-
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
+ struct passwd *wb_pwd = NULL;
pwd = getpwnam(user);
if (pwd == NULL) {
return 1;
}
- strncpy(request.data.username, user,
- sizeof(request.data.username) - 1);
-
- ret = pam_winbind_request_log(pamh, ctrl, WINBINDD_GETPWNAM,
- &request, &response, user);
+ wbc_status = wbcGetpwnam(user, &wb_pwd);
+ wbcFreeMemory(wb_pwd);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ _pam_log(ctx, LOG_DEBUG, "valid_user: wbcGetpwnam gave %s\n",
+ wbcErrorString(wbc_status));
+ }
- switch (ret) {
- case PAM_USER_UNKNOWN:
+ switch (wbc_status) {
+ case WBC_ERR_UNKNOWN_USER:
return 1;
- case PAM_SUCCESS:
+ case WBC_ERR_SUCCESS:
return 0;
default:
break;
* obtain a password from the user
*/
-static int _winbind_read_password(pam_handle_t * pamh,
+static int _winbind_read_password(struct pwb_context *ctx,
unsigned int ctrl,
const char *comment,
const char *prompt1,
const char *item;
char *token;
- _pam_log(pamh, ctrl, LOG_DEBUG, "getting password (0x%08x)", ctrl);
+ _pam_log(ctx, LOG_DEBUG, "getting password (0x%08x)", ctrl);
/*
* make sure nothing inappropriate gets returned
if (on(WINBIND_TRY_FIRST_PASS_ARG, ctrl) ||
on(WINBIND_USE_FIRST_PASS_ARG, ctrl)) {
- retval = _pam_get_item(pamh, authtok_flag, &item);
+ retval = _pam_get_item(ctx->pamh, authtok_flag, &item);
if (retval != PAM_SUCCESS) {
/* very strange. */
- _pam_log(pamh, ctrl, LOG_ALERT,
+ _pam_log(ctx, LOG_ALERT,
"pam_get_item returned error "
"to unix-read-password");
return retval;
} else if (item != NULL) { /* we have a password! */
*pass = item;
item = NULL;
- _pam_log(pamh, ctrl, LOG_DEBUG,
+ _pam_log(ctx, LOG_DEBUG,
"pam_get_item returned a password");
return PAM_SUCCESS;
} else if (on(WINBIND_USE_FIRST_PASS_ARG, ctrl)) {
}
/* so call the conversation expecting i responses */
resp = NULL;
- retval = converse(pamh, i, pmsg, &resp);
+ retval = converse(ctx->pamh, i, pmsg, &resp);
if (resp == NULL) {
if (retval == PAM_SUCCESS) {
retval = PAM_AUTHTOK_RECOVER_ERR;
token = x_strdup(resp[i - replies].resp);
if (!token) {
- _pam_log(pamh, ctrl, LOG_NOTICE,
+ _pam_log(ctx, LOG_NOTICE,
"could not recover "
"authentication token");
retval = PAM_AUTHTOK_RECOVER_ERR;
strcmp(token, resp[i - 1].resp)) {
_pam_delete(token); /* mistyped */
retval = PAM_AUTHTOK_RECOVER_ERR;
- _make_remark(pamh, ctrl, PAM_ERROR_MSG,
+ _make_remark(ctx, PAM_ERROR_MSG,
MISTYPED_PASS);
}
}
done:
if (retval != PAM_SUCCESS) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"unable to obtain a password");
return retval;
}
/* we store this password as an item */
- retval = pam_set_item(pamh, authtok_flag, token);
+ retval = pam_set_item(ctx->pamh, authtok_flag, token);
_pam_delete(token); /* clean it up */
if (retval != PAM_SUCCESS ||
- (retval = _pam_get_item(pamh, authtok_flag, &item)) != PAM_SUCCESS) {
+ (retval = _pam_get_item(ctx->pamh, authtok_flag, &item)) != PAM_SUCCESS) {
- _pam_log(pamh, ctrl, LOG_CRIT, "error manipulating password");
+ _pam_log(ctx, LOG_CRIT, "error manipulating password");
return retval;
}
return PAM_SUCCESS;
}
-const char *get_conf_item_string(const pam_handle_t *pamh,
- int argc,
- const char **argv,
- int ctrl,
- dictionary *d,
- const char *item,
- int config_flag)
+static const char *get_conf_item_string(struct pwb_context *ctx,
+ const char *item,
+ int config_flag)
{
int i = 0;
const char *parm_opt = NULL;
- if (!(ctrl & config_flag)) {
+ if (!(ctx->ctrl & config_flag)) {
goto out;
}
/* let the pam opt take precedence over the pam_winbind.conf option */
- for (i=0; i<argc; i++) {
+ for (i=0; i<ctx->argc; i++) {
- if ((strncmp(argv[i], item, strlen(item)) == 0)) {
+ if ((strncmp(ctx->argv[i], item, strlen(item)) == 0)) {
char *p;
- if ((p = strchr(argv[i], '=')) == NULL) {
- _pam_log(pamh, ctrl, LOG_INFO,
+ if ((p = strchr(ctx->argv[i], '=')) == NULL) {
+ _pam_log(ctx, LOG_INFO,
"no \"=\" delimiter for \"%s\" found\n",
item);
goto out;
}
- _pam_log_debug(pamh, ctrl, LOG_INFO,
+ _pam_log_debug(ctx, LOG_INFO,
"PAM config: %s '%s'\n", item, p+1);
return p + 1;
}
}
- if (d != NULL) {
+ if (ctx->dict) {
char *key = NULL;
- if (!asprintf(&key, "global:%s", item)) {
+ key = talloc_asprintf(ctx, "global:%s", item);
+ if (!key) {
goto out;
}
- parm_opt = iniparser_getstr(d, key);
- SAFE_FREE(key);
+ parm_opt = iniparser_getstr(ctx->dict, key);
+ TALLOC_FREE(key);
- _pam_log_debug(pamh, ctrl, LOG_INFO, "CONFIG file: %s '%s'\n",
+ _pam_log_debug(ctx, LOG_INFO, "CONFIG file: %s '%s'\n",
item, parm_opt);
}
out:
return parm_opt;
}
-int get_config_item_int(const pam_handle_t *pamh,
- int argc,
- const char **argv,
- int ctrl,
- dictionary *d,
- const char *item,
- int config_flag)
+static int get_config_item_int(struct pwb_context *ctx,
+ const char *item,
+ int config_flag)
{
int i, parm_opt = -1;
- if (!(ctrl & config_flag)) {
+ if (!(ctx->ctrl & config_flag)) {
goto out;
}
/* let the pam opt take precedence over the pam_winbind.conf option */
- for (i = 0; i < argc; i++) {
+ for (i = 0; i < ctx->argc; i++) {
- if ((strncmp(argv[i], item, strlen(item)) == 0)) {
+ if ((strncmp(ctx->argv[i], item, strlen(item)) == 0)) {
char *p;
- if ((p = strchr(argv[i], '=')) == NULL) {
- _pam_log(pamh, ctrl, LOG_INFO,
+ if ((p = strchr(ctx->argv[i], '=')) == NULL) {
+ _pam_log(ctx, LOG_INFO,
"no \"=\" delimiter for \"%s\" found\n",
item);
goto out;
}
parm_opt = atoi(p + 1);
- _pam_log_debug(pamh, ctrl, LOG_INFO,
+ _pam_log_debug(ctx, LOG_INFO,
"PAM config: %s '%d'\n",
item, parm_opt);
return parm_opt;
}
}
- if (d != NULL) {
+ if (ctx->dict) {
char *key = NULL;
- if (!asprintf(&key, "global:%s", item)) {
+ key = talloc_asprintf(ctx, "global:%s", item);
+ if (!key) {
goto out;
}
- parm_opt = iniparser_getint(d, key, -1);
- SAFE_FREE(key);
+ parm_opt = iniparser_getint(ctx->dict, key, -1);
+ TALLOC_FREE(key);
- _pam_log_debug(pamh, ctrl, LOG_INFO,
+ _pam_log_debug(ctx, LOG_INFO,
"CONFIG file: %s '%d'\n",
item, parm_opt);
}
return parm_opt;
}
-const char *get_krb5_cc_type_from_config(const pam_handle_t *pamh,
- int argc,
- const char **argv,
- int ctrl,
- dictionary *d)
+static const char *get_krb5_cc_type_from_config(struct pwb_context *ctx)
{
- return get_conf_item_string(pamh, argc, argv, ctrl, d,
- "krb5_ccache_type",
+ return get_conf_item_string(ctx, "krb5_ccache_type",
WINBIND_KRB5_CCACHE_TYPE);
}
-const char *get_member_from_config(const pam_handle_t *pamh,
- int argc,
- const char **argv,
- int ctrl,
- dictionary *d)
+static const char *get_member_from_config(struct pwb_context *ctx)
{
const char *ret = NULL;
- ret = get_conf_item_string(pamh, argc, argv, ctrl, d,
- "require_membership_of",
+ ret = get_conf_item_string(ctx, "require_membership_of",
WINBIND_REQUIRED_MEMBERSHIP);
if (ret) {
return ret;
}
- return get_conf_item_string(pamh, argc, argv, ctrl, d,
- "require-membership-of",
+ return get_conf_item_string(ctx, "require-membership-of",
WINBIND_REQUIRED_MEMBERSHIP);
}
-int get_warn_pwd_expire_from_config(const pam_handle_t *pamh,
- int argc,
- const char **argv,
- int ctrl,
- dictionary *d)
+static int get_warn_pwd_expire_from_config(struct pwb_context *ctx)
{
int ret;
- ret = get_config_item_int(pamh, argc, argv, ctrl, d,
- "warn_pwd_expire",
+ ret = get_config_item_int(ctx, "warn_pwd_expire",
WINBIND_WARN_PWD_EXPIRE);
/* no or broken setting */
if (ret <= 0) {
/**
* Retrieve the winbind separator.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
*
* @return string separator character. NULL on failure.
*/
-static char winbind_get_separator(pam_handle_t *pamh,
- int ctrl)
+static char winbind_get_separator(struct pwb_context *ctx)
{
- struct winbindd_request request;
- struct winbindd_response response;
-
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
+ wbcErr wbc_status;
+ static struct wbcInterfaceDetails *details = NULL;
+
+ wbc_status = wbcInterfaceDetails(&details);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ _pam_log(ctx, LOG_ERR,
+ "Could not retrieve winbind interface details: %s",
+ wbcErrorString(wbc_status));
+ return '\0';
+ }
- if (pam_winbind_request_log(pamh, ctrl, WINBINDD_INFO,
- &request, &response, NULL)) {
+ if (!details) {
return '\0';
}
- return response.data.info.winbind_separator;
+ return details->winbind_separator;
}
+
/**
* Convert a upn to a name.
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param upn USer UPN to be trabslated.
*
* @return converted name. NULL pointer on failure. Caller needs to free.
*/
-static char* winbind_upn_to_username(pam_handle_t *pamh,
- int ctrl,
+static char* winbind_upn_to_username(struct pwb_context *ctx,
const char *upn)
{
- struct winbindd_request req;
- struct winbindd_response resp;
- int retval;
- char *account_name;
- int account_name_len;
char sep;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ struct wbcDomainSid sid;
+ enum wbcSidType type;
+ char *domain;
+ char *name;
/* This cannot work when the winbind separator = @ */
- sep = winbind_get_separator(pamh, ctrl);
+ sep = winbind_get_separator(ctx);
if (!sep || sep == '@') {
return NULL;
}
/* Convert the UPN to a SID */
- ZERO_STRUCT(req);
- ZERO_STRUCT(resp);
-
- strncpy(req.data.name.dom_name, "",
- sizeof(req.data.name.dom_name) - 1);
- strncpy(req.data.name.name, upn,
- sizeof(req.data.name.name) - 1);
- retval = pam_winbind_request_log(pamh, ctrl, WINBINDD_LOOKUPNAME,
- &req, &resp, upn);
- if (retval != PAM_SUCCESS) {
+ wbc_status = wbcLookupName("", upn, &sid, &type);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
return NULL;
}
/* Convert the the SID back to the sAMAccountName */
- ZERO_STRUCT(req);
- strncpy(req.data.sid, resp.data.sid.sid, sizeof(req.data.sid)-1);
- ZERO_STRUCT(resp);
- retval = pam_winbind_request_log(pamh, ctrl, WINBINDD_LOOKUPSID,
- &req, &resp, upn);
- if (retval != PAM_SUCCESS) {
+ wbc_status = wbcLookupSid(&sid, &domain, &name, &type);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
return NULL;
}
- account_name_len = asprintf(&account_name, "%s\\%s",
- resp.data.name.dom_name,
- resp.data.name.name);
-
- return account_name;
+ return talloc_asprintf(ctx, "%s\\%s", domain, name);
}
PAM_EXTERN
const char *cctype = NULL;
int warn_pwd_expire;
int retval = PAM_AUTH_ERR;
- dictionary *d = NULL;
char *username_ret = NULL;
char *new_authtok_required = NULL;
char *real_username = NULL;
+ struct pwb_context *ctx = NULL;
- /* parse arguments */
- int ctrl = _pam_parse(pamh, flags, argc, argv, &d);
- if (ctrl == -1) {
- retval = PAM_SYSTEM_ERR;
+ retval = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ if (retval) {
goto out;
}
- _PAM_LOG_FUNCTION_ENTER("pam_sm_authenticate", pamh, ctrl, flags);
+ _PAM_LOG_FUNCTION_ENTER("pam_sm_authenticate", ctx);
/* Get the username */
retval = pam_get_user(pamh, &username, NULL);
if ((retval != PAM_SUCCESS) || (!username)) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"can not get the username");
retval = PAM_SERVICE_ERR;
goto out;
if (!real_username) {
/* Just making a copy of the username we got from PAM */
if ((real_username = strdup(username)) == NULL) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"memory allocation failure when copying "
"username");
retval = PAM_SERVICE_ERR;
if (strchr(real_username, '@') != NULL) {
char *samaccountname = NULL;
- samaccountname = winbind_upn_to_username(pamh, ctrl,
+ samaccountname = winbind_upn_to_username(ctx,
real_username);
if (samaccountname) {
free(real_username);
- real_username = samaccountname;
+ real_username = strdup(samaccountname);
}
}
- retval = _winbind_read_password(pamh, ctrl, NULL,
+ retval = _winbind_read_password(ctx, ctx->ctrl, NULL,
"Password: ", NULL,
&password);
if (retval != PAM_SUCCESS) {
- _pam_log(pamh, ctrl, LOG_ERR,
+ _pam_log(ctx, LOG_ERR,
"Could not retrieve user's password");
retval = PAM_AUTHTOK_ERR;
goto out;
/* Let's not give too much away in the log file */
#ifdef DEBUG_PASSWORD
- _pam_log_debug(pamh, ctrl, LOG_INFO,
+ _pam_log_debug(ctx, LOG_INFO,
"Verify user '%s' with password '%s'",
real_username, password);
#else
- _pam_log_debug(pamh, ctrl, LOG_INFO,
+ _pam_log_debug(ctx, LOG_INFO,
"Verify user '%s'", real_username);
#endif
- member = get_member_from_config(pamh, argc, argv, ctrl, d);
-
- cctype = get_krb5_cc_type_from_config(pamh, argc, argv, ctrl, d);
-
- warn_pwd_expire = get_warn_pwd_expire_from_config(pamh, argc, argv,
- ctrl, d);
+ member = get_member_from_config(ctx);
+ cctype = get_krb5_cc_type_from_config(ctx);
+ warn_pwd_expire = get_warn_pwd_expire_from_config(ctx);
/* Now use the username to look up password */
- retval = winbind_auth_request(pamh, ctrl, real_username, password,
- member, cctype, warn_pwd_expire, NULL,
+ retval = winbind_auth_request(ctx, real_username, password,
+ member, cctype, warn_pwd_expire,
+ NULL, NULL, NULL,
NULL, &username_ret);
if (retval == PAM_NEW_AUTHTOK_REQD ||
char *new_authtok_required_during_auth = NULL;
- if (!asprintf(&new_authtok_required, "%d", retval)) {
+ new_authtok_required = talloc_asprintf(NULL, "%d", retval);
+ if (!new_authtok_required) {
retval = PAM_BUF_ERR;
goto out;
}
retval = PAM_SUCCESS;
- if (!asprintf(&new_authtok_required_during_auth, "%d", true)) {
+ new_authtok_required_during_auth = talloc_asprintf(NULL, "%d", true);
+ if (!new_authtok_required_during_auth) {
retval = PAM_BUF_ERR;
goto out;
}
out:
if (username_ret) {
pam_set_item (pamh, PAM_USER, username_ret);
- _pam_log_debug(pamh, ctrl, LOG_INFO,
+ _pam_log_debug(ctx, LOG_INFO,
"Returned user was '%s'", username_ret);
free(username_ret);
}
free(real_username);
}
- if (d) {
- iniparser_freedict(d);
- }
-
if (!new_authtok_required) {
pam_set_data(pamh, PAM_WINBIND_NEW_AUTHTOK_REQD, NULL, NULL);
}
_pam_free_data_info3(pamh);
}
- _PAM_LOG_FUNCTION_LEAVE("pam_sm_authenticate", pamh, ctrl, retval);
+ _PAM_LOG_FUNCTION_LEAVE("pam_sm_authenticate", ctx, retval);
+
+ TALLOC_FREE(ctx);
return retval;
}
int argc, const char **argv)
{
int ret = PAM_SYSTEM_ERR;
- dictionary *d = NULL;
+ struct pwb_context *ctx = NULL;
- /* parse arguments */
- int ctrl = _pam_parse(pamh, flags, argc, argv, &d);
- if (ctrl == -1) {
- ret = PAM_SYSTEM_ERR;
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ if (ret) {
goto out;
}
- _PAM_LOG_FUNCTION_ENTER("pam_sm_setcred", pamh, ctrl, flags);
+ _PAM_LOG_FUNCTION_ENTER("pam_sm_setcred", ctx);
switch (flags & ~PAM_SILENT) {
ret = pam_sm_close_session(pamh, flags, argc, argv);
break;
case PAM_REFRESH_CRED:
- _pam_log_debug(pamh, ctrl, LOG_WARNING,
+ _pam_log_debug(ctx, LOG_WARNING,
"PAM_REFRESH_CRED not implemented");
ret = PAM_SUCCESS;
break;
case PAM_REINITIALIZE_CRED:
- _pam_log_debug(pamh, ctrl, LOG_WARNING,
+ _pam_log_debug(ctx, LOG_WARNING,
"PAM_REINITIALIZE_CRED not implemented");
ret = PAM_SUCCESS;
break;
case PAM_ESTABLISH_CRED:
- _pam_log_debug(pamh, ctrl, LOG_WARNING,
+ _pam_log_debug(ctx, LOG_WARNING,
"PAM_ESTABLISH_CRED not implemented");
ret = PAM_SUCCESS;
break;
}
out:
- if (d) {
- iniparser_freedict(d);
- }
- _PAM_LOG_FUNCTION_LEAVE("pam_sm_setcred", pamh, ctrl, ret);
+ _PAM_LOG_FUNCTION_LEAVE("pam_sm_setcred", ctx, ret);
+
+ TALLOC_FREE(ctx);
return ret;
}
const char *username;
int ret = PAM_USER_UNKNOWN;
void *tmp = NULL;
- dictionary *d = NULL;
+ struct pwb_context *ctx = NULL;
- /* parse arguments */
- int ctrl = _pam_parse(pamh, flags, argc, argv, &d);
- if (ctrl == -1) {
- return PAM_SYSTEM_ERR;
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ if (ret) {
+ goto out;
}
- _PAM_LOG_FUNCTION_ENTER("pam_sm_acct_mgmt", pamh, ctrl, flags);
+ _PAM_LOG_FUNCTION_ENTER("pam_sm_acct_mgmt", ctx);
/* Get the username */
ret = pam_get_user(pamh, &username, NULL);
if ((ret != PAM_SUCCESS) || (!username)) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"can not get the username");
ret = PAM_SERVICE_ERR;
goto out;
}
/* Verify the username */
- ret = valid_user(pamh, ctrl, username);
+ ret = valid_user(ctx, username);
switch (ret) {
case -1:
/* some sort of system error. The log was already printed */
goto out;
case 1:
/* the user does not exist */
- _pam_log_debug(pamh, ctrl, LOG_NOTICE, "user '%s' not found",
+ _pam_log_debug(ctx, LOG_NOTICE, "user '%s' not found",
username);
- if (ctrl & WINBIND_UNKNOWN_OK_ARG) {
+ if (ctx->ctrl & WINBIND_UNKNOWN_OK_ARG) {
ret = PAM_IGNORE;
goto out;
}
case PAM_AUTHTOK_EXPIRED:
/* fall through, since new token is required in this case */
case PAM_NEW_AUTHTOK_REQD:
- _pam_log(pamh, ctrl, LOG_WARNING,
+ _pam_log(ctx, LOG_WARNING,
"pam_sm_acct_mgmt success but %s is set",
PAM_WINBIND_NEW_AUTHTOK_REQD);
- _pam_log(pamh, ctrl, LOG_NOTICE,
+ _pam_log(ctx, LOG_NOTICE,
"user '%s' needs new password",
username);
/* PAM_AUTHTOKEN_REQD does not exist, but is documented in the manpage */
ret = PAM_NEW_AUTHTOK_REQD;
goto out;
default:
- _pam_log(pamh, ctrl, LOG_WARNING,
+ _pam_log(ctx, LOG_WARNING,
"pam_sm_acct_mgmt success");
- _pam_log(pamh, ctrl, LOG_NOTICE,
+ _pam_log(ctx, LOG_NOTICE,
"user '%s' granted access", username);
ret = PAM_SUCCESS;
goto out;
}
/* Otherwise, the authentication looked good */
- _pam_log(pamh, ctrl, LOG_NOTICE,
+ _pam_log(ctx, LOG_NOTICE,
"user '%s' granted access", username);
ret = PAM_SUCCESS;
goto out;
default:
/* we don't know anything about this return value */
- _pam_log(pamh, ctrl, LOG_ERR,
+ _pam_log(ctx, LOG_ERR,
"internal module error (ret = %d, user = '%s')",
ret, username);
ret = PAM_SERVICE_ERR;
out:
- if (d) {
- iniparser_freedict(d);
- }
+ _PAM_LOG_FUNCTION_LEAVE("pam_sm_acct_mgmt", ctx, ret);
- _PAM_LOG_FUNCTION_LEAVE("pam_sm_acct_mgmt", pamh, ctrl, ret);
+ TALLOC_FREE(ctx);
return ret;
}
int pam_sm_open_session(pam_handle_t *pamh, int flags,
int argc, const char **argv)
{
- int ret = PAM_SYSTEM_ERR;
- dictionary *d = NULL;
+ int ret = PAM_SUCCESS;
+ struct pwb_context *ctx = NULL;
- /* parse arguments */
- int ctrl = _pam_parse(pamh, flags, argc, argv, &d);
- if (ctrl == -1) {
- ret = PAM_SYSTEM_ERR;
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ if (ret) {
goto out;
}
- _PAM_LOG_FUNCTION_ENTER("pam_sm_open_session", pamh, ctrl, flags);
-
- ret = PAM_SUCCESS;
+ _PAM_LOG_FUNCTION_ENTER("pam_sm_open_session", ctx);
- out:
- if (d) {
- iniparser_freedict(d);
+ if (ctx->ctrl & WINBIND_MKHOMEDIR) {
+ /* check and create homedir */
+ ret = _pam_mkhomedir(ctx);
}
+ out:
+ _PAM_LOG_FUNCTION_LEAVE("pam_sm_open_session", ctx, ret);
- _PAM_LOG_FUNCTION_LEAVE("pam_sm_open_session", pamh, ctrl, ret);
+ TALLOC_FREE(ctx);
return ret;
}
int pam_sm_close_session(pam_handle_t *pamh, int flags,
int argc, const char **argv)
{
- dictionary *d = NULL;
int retval = PAM_SUCCESS;
+ struct pwb_context *ctx = NULL;
+ struct wbcLogoffUserParams logoff;
- /* parse arguments */
- int ctrl = _pam_parse(pamh, flags, argc, argv, &d);
- if (ctrl == -1) {
- retval = PAM_SYSTEM_ERR;
+ retval = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ if (retval) {
goto out;
}
- _PAM_LOG_FUNCTION_ENTER("pam_sm_close_session", pamh, ctrl, flags);
+ _PAM_LOG_FUNCTION_ENTER("pam_sm_close_session", ctx);
if (!(flags & PAM_DELETE_CRED)) {
retval = PAM_SUCCESS;
goto out;
}
- if (ctrl & WINBIND_KRB5_AUTH) {
+ if (ctx->ctrl & WINBIND_KRB5_AUTH) {
/* destroy the ccache here */
- struct winbindd_request request;
- struct winbindd_response response;
+
+ wbcErr wbc_status;
+ struct wbcAuthErrorInfo *error = NULL;
+
+ uint32_t flags = 0;
const char *user;
const char *ccname = NULL;
struct passwd *pwd = NULL;
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
-
retval = pam_get_user(pamh, &user, "Username: ");
if (retval) {
- _pam_log(pamh, ctrl, LOG_ERR,
+ _pam_log(ctx, LOG_ERR,
"could not identify user");
goto out;
}
if (user == NULL) {
- _pam_log(pamh, ctrl, LOG_ERR,
+ _pam_log(ctx, LOG_ERR,
"username was NULL!");
retval = PAM_USER_UNKNOWN;
goto out;
}
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"username [%s] obtained", user);
ccname = pam_getenv(pamh, "KRB5CCNAME");
if (ccname == NULL) {
- _pam_log_debug(pamh, ctrl, LOG_DEBUG,
+ _pam_log_debug(ctx, LOG_DEBUG,
"user has no KRB5CCNAME environment");
}
- strncpy(request.data.logoff.user, user,
- sizeof(request.data.logoff.user) - 1);
-
- if (ccname) {
- strncpy(request.data.logoff.krb5ccname, ccname,
- sizeof(request.data.logoff.krb5ccname) - 1);
- }
-
pwd = getpwnam(user);
if (pwd == NULL) {
retval = PAM_USER_UNKNOWN;
goto out;
}
- request.data.logoff.uid = pwd->pw_uid;
- request.flags = WBFLAG_PAM_KRB5 |
- WBFLAG_PAM_CONTACT_TRUSTDOM;
+ flags = WBFLAG_PAM_KRB5 |
+ WBFLAG_PAM_CONTACT_TRUSTDOM;
- retval = pam_winbind_request_log(pamh, ctrl,
- WINBINDD_PAM_LOGOFF,
- &request, &response, user);
+ ZERO_STRUCT(logoff);
+
+ logoff.username = user;
+
+ wbc_status = wbcAddNamedBlob(&logoff.num_blobs,
+ &logoff.blobs,
+ "ccfilename",
+ 0,
+ (uint8_t *)ccname,
+ strlen(ccname)+1);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto out;
+ }
+
+ wbc_status = wbcAddNamedBlob(&logoff.num_blobs,
+ &logoff.blobs,
+ "flags",
+ 0,
+ (uint8_t *)&flags,
+ sizeof(flags));
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto out;
+ }
+
+ wbc_status = wbcAddNamedBlob(&logoff.num_blobs,
+ &logoff.blobs,
+ "user_uid",
+ 0,
+ (uint8_t *)&pwd->pw_uid,
+ sizeof(pwd->pw_uid));
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto out;
+ }
+
+ wbc_status = wbcLogoffUserEx(&logoff, &error);
+ retval = wbc_auth_error_to_pam_error(ctx, error, wbc_status,
+ user, "wbcLogoffUser");
+ wbcFreeMemory(error);
+ wbcFreeMemory(logoff.blobs);
+
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ _pam_log(ctx, LOG_INFO,
+ "failed to logoff user %s: %s\n",
+ user, wbcErrorString(wbc_status));
+ }
}
out:
- if (d) {
- iniparser_freedict(d);
+ if (logoff.blobs) {
+ wbcFreeMemory(logoff.blobs);
+ }
+
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ retval = wbc_auth_error_to_pam_error(ctx, error, wbc_status,
+ user, "wbcLogoffUser");
}
- _PAM_LOG_FUNCTION_LEAVE("pam_sm_close_session", pamh, ctrl, retval);
+ _PAM_LOG_FUNCTION_LEAVE("pam_sm_close_session", ctx, retval);
+
+ TALLOC_FREE(ctx);
return retval;
}
* evaluate whether we need to re-authenticate with kerberos after a
* password change
*
- * @param pamh PAM handle
- * @param ctrl PAM winbind options.
+ * @param ctx PAM winbind context.
* @param user The username
*
* @return boolean Returns true if required, false if not.
*/
-static bool _pam_require_krb5_auth_after_chauthtok(pam_handle_t *pamh,
- int ctrl,
+static bool _pam_require_krb5_auth_after_chauthtok(struct pwb_context *ctx,
const char *user)
{
/* Make sure that we only do this if a) the chauthtok got initiated
* during a logon attempt (authenticate->acct_mgmt->chauthtok) b) any
* later password change via the "passwd" command if done by the user
- * itself */
+ * itself
+ * NB. If we login from gdm or xdm and the password expires,
+ * we change the password, but there is no memory cache.
+ * Thus, even for passthrough login, we should do the
+ * authentication again to update memory cache.
+ * --- BoYang
+ * */
char *new_authtok_reqd_during_auth = NULL;
struct passwd *pwd = NULL;
- if (!(ctrl & WINBIND_KRB5_AUTH)) {
- return false;
- }
-
- _pam_get_data(pamh, PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH,
+ _pam_get_data(ctx->pamh, PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH,
&new_authtok_reqd_during_auth);
- pam_set_data(pamh, PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH,
+ pam_set_data(ctx->pamh, PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH,
NULL, NULL);
if (new_authtok_reqd_during_auth) {
{
unsigned int lctrl;
int ret;
- unsigned int ctrl;
+ bool cached_login = false;
/* <DO NOT free() THESE> */
const char *user;
char *Announce;
int retry = 0;
- dictionary *d = NULL;
char *username_ret = NULL;
- struct winbindd_response response;
+ struct wbcAuthErrorInfo *error = NULL;
+ struct pwb_context *ctx = NULL;
- ZERO_STRUCT(response);
-
- ctrl = _pam_parse(pamh, flags, argc, argv, &d);
- if (ctrl == -1) {
- ret = PAM_SYSTEM_ERR;
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ if (ret) {
goto out;
}
- _PAM_LOG_FUNCTION_ENTER("pam_sm_chauthtok", pamh, ctrl, flags);
+ _PAM_LOG_FUNCTION_ENTER("pam_sm_chauthtok", ctx);
- /* clearing offline bit for the auth in the password change */
- ctrl &= ~WINBIND_CACHED_LOGIN;
+ cached_login = (ctx->ctrl & WINBIND_CACHED_LOGIN);
+
+ /* clearing offline bit for auth */
+ ctx->ctrl &= ~WINBIND_CACHED_LOGIN;
/*
* First get the name of a user
*/
ret = pam_get_user(pamh, &user, "Username: ");
if (ret) {
- _pam_log(pamh, ctrl, LOG_ERR,
+ _pam_log(ctx, LOG_ERR,
"password - could not identify user");
goto out;
}
if (user == NULL) {
- _pam_log(pamh, ctrl, LOG_ERR, "username was NULL!");
+ _pam_log(ctx, LOG_ERR, "username was NULL!");
ret = PAM_USER_UNKNOWN;
goto out;
}
- _pam_log_debug(pamh, ctrl, LOG_DEBUG, "username [%s] obtained", user);
+ _pam_log_debug(ctx, LOG_DEBUG, "username [%s] obtained", user);
/* check if this is really a user in winbindd, not only in NSS */
- ret = valid_user(pamh, ctrl, user);
+ ret = valid_user(ctx, user);
switch (ret) {
case 1:
ret = PAM_USER_UNKNOWN;
time_t pwdlastset_prelim = 0;
/* instruct user what is happening */
-#define greeting "Changing password for "
- Announce = (char *) malloc(sizeof(greeting) + strlen(user));
- if (Announce == NULL) {
- _pam_log(pamh, ctrl, LOG_CRIT,
+
+#define greeting "Changing password for"
+ Announce = talloc_asprintf(ctx, "%s %s", greeting, user);
+ if (!Announce) {
+ _pam_log(ctx, LOG_CRIT,
"password - out of memory");
ret = PAM_BUF_ERR;
goto out;
}
- (void) strcpy(Announce, greeting);
- (void) strcpy(Announce + sizeof(greeting) - 1, user);
#undef greeting
- lctrl = ctrl | WINBIND__OLD_PASSWORD;
- ret = _winbind_read_password(pamh, lctrl,
+ lctrl = ctx->ctrl | WINBIND__OLD_PASSWORD;
+ ret = _winbind_read_password(ctx, lctrl,
Announce,
"(current) NT password: ",
NULL,
(const char **) &pass_old);
+ TALLOC_FREE(Announce);
if (ret != PAM_SUCCESS) {
- _pam_log(pamh, ctrl, LOG_NOTICE,
+ _pam_log(ctx, LOG_NOTICE,
"password - (old) token not obtained");
goto out;
}
/* verify that this is the password for this user */
- ret = winbind_auth_request(pamh, ctrl, user, pass_old,
- NULL, NULL, 0, &response,
+ ret = winbind_auth_request(ctx, user, pass_old,
+ NULL, NULL, 0,
+ &error, NULL, NULL,
&pwdlastset_prelim, NULL);
if (ret != PAM_ACCT_EXPIRED &&
(const void *) pass_old);
pass_old = NULL;
if (ret != PAM_SUCCESS) {
- _pam_log(pamh, ctrl, LOG_CRIT,
+ _pam_log(ctx, LOG_CRIT,
"failed to set PAM_OLDAUTHTOK");
}
} else if (flags & PAM_UPDATE_AUTHTOK) {
ret = _pam_get_item(pamh, PAM_OLDAUTHTOK, &pass_old);
if (ret != PAM_SUCCESS) {
- _pam_log(pamh, ctrl, LOG_NOTICE,
+ _pam_log(ctx, LOG_NOTICE,
"user not authenticated");
goto out;
}
- lctrl = ctrl & ~WINBIND_TRY_FIRST_PASS_ARG;
+ lctrl = ctx->ctrl & ~WINBIND_TRY_FIRST_PASS_ARG;
if (on(WINBIND_USE_AUTHTOK_ARG, lctrl)) {
lctrl |= WINBIND_USE_FIRST_PASS_ARG;
* password -- needed for pluggable password strength checking
*/
- ret = _winbind_read_password(pamh, lctrl,
+ ret = _winbind_read_password(ctx, lctrl,
NULL,
"Enter new NT password: ",
"Retype new NT password: ",
(const char **)&pass_new);
if (ret != PAM_SUCCESS) {
- _pam_log_debug(pamh, ctrl, LOG_ALERT,
+ _pam_log_debug(ctx, LOG_ALERT,
"password - "
"new password not obtained");
pass_old = NULL;/* tidy up */
_pam_get_data(pamh, PAM_WINBIND_PWD_LAST_SET,
&pwdlastset_update);
- ret = winbind_chauthtok_request(pamh, ctrl, user, pass_old,
+ /*
+ * if cached creds were enabled, make sure to set the
+ * WINBIND_CACHED_LOGIN bit here in order to have winbindd
+ * update the cached creds storage - gd
+ */
+ if (cached_login) {
+ ctx->ctrl |= WINBIND_CACHED_LOGIN;
+ }
+
+ ret = winbind_chauthtok_request(ctx, user, pass_old,
pass_new, pwdlastset_update);
if (ret) {
_pam_overwrite(pass_new);
goto out;
}
- if (_pam_require_krb5_auth_after_chauthtok(pamh, ctrl, user)) {
+ if (_pam_require_krb5_auth_after_chauthtok(ctx, user)) {
const char *member = NULL;
const char *cctype = NULL;
int warn_pwd_expire;
-
- member = get_member_from_config(pamh, argc, argv,
- ctrl, d);
- cctype = get_krb5_cc_type_from_config(pamh, argc, argv,
- ctrl, d);
- warn_pwd_expire = get_warn_pwd_expire_from_config(pamh,
- argc,
- argv,
- ctrl,
- d);
-
-
- ret = winbind_auth_request(pamh, ctrl, user, pass_new,
- member, cctype, 0, &response,
+ struct wbcLogonUserInfo *info = NULL;
+ struct wbcUserPasswordPolicyInfo *policy = NULL;
+
+ member = get_member_from_config(ctx);
+ cctype = get_krb5_cc_type_from_config(ctx);
+ warn_pwd_expire = get_warn_pwd_expire_from_config(ctx);
+
+ /* Keep WINBIND_CACHED_LOGIN bit for
+ * authentication after changing the password.
+ * This will update the cached credentials in case
+ * that winbindd_dual_pam_chauthtok() fails
+ * to update them.
+ * --- BoYang
+ * */
+
+ ret = winbind_auth_request(ctx, user, pass_new,
+ member, cctype, 0,
+ &error, &info, &policy,
NULL, &username_ret);
_pam_overwrite(pass_new);
_pam_overwrite(pass_old);
if (ret == PAM_SUCCESS) {
+ struct wbcAuthUserInfo *user_info = NULL;
+
+ if (info && info->info) {
+ user_info = info->info;
+ }
+
/* warn a user if the password is about to
* expire soon */
- _pam_warn_password_expiry(pamh, ctrl, &response,
+ _pam_warn_password_expiry(ctx, user_info, policy,
warn_pwd_expire,
NULL);
/* set some info3 info for other modules in the
* stack */
- _pam_set_data_info3(pamh, ctrl, &response);
+ _pam_set_data_info3(ctx, user_info);
/* put krb5ccname into env */
- _pam_setup_krb5_env(pamh, ctrl,
- response.data.auth.krb5ccname);
+ _pam_setup_krb5_env(ctx, info);
if (username_ret) {
pam_set_item(pamh, PAM_USER,
username_ret);
- _pam_log_debug(pamh, ctrl, LOG_INFO,
+ _pam_log_debug(ctx, LOG_INFO,
"Returned user was '%s'",
username_ret);
free(username_ret);
}
+
+ wbcFreeMemory(info);
+ wbcFreeMemory(policy);
}
goto out;
}
out:
- if (d) {
- iniparser_freedict(d);
+ {
+ /* Deal with offline errors. */
+ int i;
+ const char *codes[] = {
+ "NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND",
+ "NT_STATUS_NO_LOGON_SERVERS",
+ "NT_STATUS_ACCESS_DENIED"
+ };
+
+ for (i=0; i<ARRAY_SIZE(codes); i++) {
+ int _ret;
+ if (_pam_check_remark_auth_err(ctx, error, codes[i], &_ret)) {
+ break;
+ }
+ }
}
- /* Deal with offline errors. */
- PAM_WB_REMARK_CHECK_RESPONSE(pamh, ctrl, response,
- "NT_STATUS_NO_LOGON_SERVERS");
- PAM_WB_REMARK_CHECK_RESPONSE(pamh, ctrl, response,
- "NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND");
- PAM_WB_REMARK_CHECK_RESPONSE(pamh, ctrl, response,
- "NT_STATUS_ACCESS_DENIED");
+ wbcFreeMemory(error);
+
+ _PAM_LOG_FUNCTION_LEAVE("pam_sm_chauthtok", ctx, ret);
- _PAM_LOG_FUNCTION_LEAVE("pam_sm_chauthtok", pamh, ctrl, ret);
+ TALLOC_FREE(ctx);
return ret;
}
* Copyright (c) Andrew Tridgell <tridge@samba.org> 2000
* Copyright (c) Tim Potter <tpot@samba.org> 2000
* Copyright (c) Andrew Bartlettt <abartlet@samba.org> 2002
- * Copyright (c) Guenther Deschner <gd@samba.org> 2005-2007
+ * Copyright (c) Guenther Deschner <gd@samba.org> 2005-2008
* Copyright (c) Jan Rêkorajski 1999.
* Copyright (c) Andrew G. Morgan 1996-8.
* Copyright (c) Alex O. Yuriev, 1996.
git.samba.org / ira / wip.git / blobdiff