#include "pam_winbind.h"
+enum pam_winbind_request_type
+{
+ PAM_WINBIND_AUTHENTICATE,
+ PAM_WINBIND_SETCRED,
+ PAM_WINBIND_ACCT_MGMT,
+ PAM_WINBIND_OPEN_SESSION,
+ PAM_WINBIND_CLOSE_SESSION,
+ PAM_WINBIND_CHAUTHTOK,
+ PAM_WINBIND_CLEANUP
+};
+
static int wbc_error_to_pam_error(wbcErr status)
{
switch (status) {
#define _PAM_LOG_FUNCTION_LEAVE(function, ctx, retval) \
do { \
_pam_log_debug(ctx, LOG_DEBUG, "[pamh: %p] LEAVE: " \
- function " returning %d (%s)", ctx->pamh, retval, \
+ function " returning %d (%s)", ctx ? ctx->pamh : NULL, retval, \
_pam_error_code_str(retval)); \
_pam_log_state(ctx); \
} while (0)
#endif
-/*
- * Work around the pam API that has functions with void ** as parameters
- * These lead to strict aliasing warnings with gcc.
- */
-static int _pam_get_item(const pam_handle_t *pamh,
- int item_type,
- const void *_item)
-{
- const void **item = (const void **)_item;
- return pam_get_item(pamh, item_type, item);
-}
-static int _pam_get_data(const pam_handle_t *pamh,
- const char *module_data_name,
- const void *_data)
-{
- const void **data = (const void **)_data;
- return pam_get_data(pamh, module_data_name, data);
-}
-
/* some syslogging */
#ifdef HAVE_PAM_VSYSLOG
char *format2 = NULL;
const char *service;
- _pam_get_item(pamh, PAM_SERVICE, &service);
+ pam_get_item(pamh, PAM_SERVICE, (const void **) &service);
format2 = (char *)malloc(strlen(MODULE_NAME)+strlen(format)+strlen(service)+5);
if (format2 == NULL) {
{
va_list args;
- if (!_pam_log_is_debug_enabled(r->ctrl)) {
+ if (!r || !_pam_log_is_debug_enabled(r->ctrl)) {
return;
}
#define _PAM_LOG_STATE_ITEM_PASSWORD(ctx, item_type) \
_pam_log_state_datum(ctx, item_type, #item_type, \
_LOG_PASSWORD_AS_STRING)
+/*
+ * wrapper to preserve old behaviour of iniparser which ignored
+ * key values that had no value assigned like
+ * key =
+ * for a key like above newer iniparser will return a zero-length
+ * string, previously iniparser would return NULL
+ *
+ * JRA: For compatibility, tiniparser behaves like iniparser.
+ */
+static const char *tiniparser_getstring_nonempty(struct tiniparser_dictionary *d,
+ const char *key,
+ const char *def)
+{
+ const char *ret = tiniparser_getstring(d, key, def);
+ if (ret && strlen(ret) == 0) {
+ ret = NULL;
+ }
+ return ret;
+}
static void _pam_log_state(struct pwb_context *ctx)
{
- if (!_pam_log_is_debug_state_enabled(ctx->ctrl)) {
+ if (!ctx || !_pam_log_is_debug_state_enabled(ctx->ctrl)) {
return;
}
int flags,
int argc,
const char **argv,
- dictionary **result_d)
+ enum pam_winbind_request_type type,
+ struct tiniparser_dictionary **result_d)
{
int ctrl = 0;
const char *config_file = NULL;
int i;
const char **v;
- dictionary *d = NULL;
+ struct tiniparser_dictionary *d = NULL;
if (flags & PAM_SILENT) {
ctrl |= WINBIND_SILENT;
config_file = PAM_WINBIND_CONFIG_FILE;
}
- d = iniparser_load(discard_const_p(char, config_file));
+ d = tiniparser_load(config_file);
if (d == NULL) {
goto config_from_pam;
}
- if (iniparser_getboolean(d, discard_const_p(char, "global:debug"), false)) {
+ if (tiniparser_getboolean(d, "global:debug", false)) {
ctrl |= WINBIND_DEBUG_ARG;
}
- if (iniparser_getboolean(d, discard_const_p(char, "global:debug_state"), false)) {
+ if (tiniparser_getboolean(d, "global:debug_state", false)) {
ctrl |= WINBIND_DEBUG_STATE;
}
- if (iniparser_getboolean(d, discard_const_p(char, "global:cached_login"), false)) {
+ if (tiniparser_getboolean(d, "global:cached_login", false)) {
ctrl |= WINBIND_CACHED_LOGIN;
}
- if (iniparser_getboolean(d, discard_const_p(char, "global:krb5_auth"), false)) {
+ if (tiniparser_getboolean(d, "global:krb5_auth", false)) {
ctrl |= WINBIND_KRB5_AUTH;
}
- if (iniparser_getboolean(d, discard_const_p(char, "global:silent"), false)) {
+ if (tiniparser_getboolean(d, "global:silent", false)) {
ctrl |= WINBIND_SILENT;
}
- if (iniparser_getstr(d, discard_const_p(char, "global:krb5_ccache_type")) != NULL) {
+ if (tiniparser_getstring_nonempty(d, "global:krb5_ccache_type", NULL) != NULL) {
ctrl |= WINBIND_KRB5_CCACHE_TYPE;
}
- if ((iniparser_getstr(d, discard_const_p(char, "global:require-membership-of"))
+ if ((tiniparser_getstring_nonempty(d, "global:require-membership-of", NULL)
!= NULL) ||
- (iniparser_getstr(d, discard_const_p(char, "global:require_membership_of"))
+ (tiniparser_getstring_nonempty(d, "global:require_membership_of", NULL)
!= NULL)) {
ctrl |= WINBIND_REQUIRED_MEMBERSHIP;
}
- if (iniparser_getboolean(d, discard_const_p(char, "global:try_first_pass"), false)) {
+ if (tiniparser_getboolean(d, "global:try_first_pass", false)) {
ctrl |= WINBIND_TRY_FIRST_PASS_ARG;
}
- if (iniparser_getint(d, discard_const_p(char, "global:warn_pwd_expire"), 0)) {
+ if (tiniparser_getint(d, "global:warn_pwd_expire", 0)) {
ctrl |= WINBIND_WARN_PWD_EXPIRE;
}
- if (iniparser_getboolean(d, discard_const_p(char, "global:mkhomedir"), false)) {
+ if (tiniparser_getboolean(d, "global:mkhomedir", false)) {
ctrl |= WINBIND_MKHOMEDIR;
}
ctrl |= WINBIND_TRY_FIRST_PASS_ARG;
else if (!strcasecmp(*v, "unknown_ok"))
ctrl |= WINBIND_UNKNOWN_OK_ARG;
- else if (!strncasecmp(*v, "require_membership_of",
- strlen("require_membership_of")))
+ else if ((type == PAM_WINBIND_AUTHENTICATE
+ || type == PAM_WINBIND_SETCRED)
+ && !strncasecmp(*v, "require_membership_of",
+ strlen("require_membership_of")))
ctrl |= WINBIND_REQUIRED_MEMBERSHIP;
- else if (!strncasecmp(*v, "require-membership-of",
- strlen("require-membership-of")))
+ else if ((type == PAM_WINBIND_AUTHENTICATE
+ || type == PAM_WINBIND_SETCRED)
+ && !strncasecmp(*v, "require-membership-of",
+ strlen("require-membership-of")))
ctrl |= WINBIND_REQUIRED_MEMBERSHIP;
else if (!strcasecmp(*v, "krb5_auth"))
ctrl |= WINBIND_KRB5_AUTH;
ctrl |= WINBIND_CACHED_LOGIN;
else if (!strcasecmp(*v, "mkhomedir"))
ctrl |= WINBIND_MKHOMEDIR;
- else {
+ else if (!strncasecmp(*v, "warn_pwd_expire",
+ strlen("warn_pwd_expire")))
+ ctrl |= WINBIND_WARN_PWD_EXPIRE;
+ else if (type != PAM_WINBIND_CLEANUP) {
__pam_log(pamh, ctrl, LOG_ERR,
"pam_parse: unknown option: %s", *v);
return -1;
*result_d = d;
} else {
if (d) {
- iniparser_freedict(d);
+ tiniparser_freedict(d);
}
}
}
if (ctx->dict) {
- iniparser_freedict(ctx->dict);
+ tiniparser_freedict(ctx->dict);
}
return 0;
int flags,
int argc,
const char **argv,
+ enum pam_winbind_request_type type,
struct pwb_context **ctx_p)
{
struct pwb_context *r = NULL;
textdomain_init();
#endif
- r = TALLOC_ZERO_P(NULL, struct pwb_context);
+ r = talloc_zero(NULL, struct pwb_context);
if (!r) {
return PAM_BUF_ERR;
}
r->flags = flags;
r->argc = argc;
r->argv = argv;
- r->ctrl = _pam_parse(pamh, flags, argc, argv, &r->dict);
+ r->ctrl = _pam_parse(pamh, flags, argc, argv, type, &r->dict);
if (r->ctrl == -1) {
TALLOC_FREE(r);
return PAM_SYSTEM_ERR;
void *data,
int error_status)
{
- int ctrl = _pam_parse(pamh, 0, 0, NULL, NULL);
+ int ctrl = _pam_parse(pamh, 0, 0, NULL, PAM_WINBIND_CLEANUP, NULL);
if (_pam_log_is_debug_state_enabled(ctrl)) {
__pam_log_debug(pamh, ctrl, LOG_DEBUG,
"[pamh: %p] CLEAN: cleaning up PAM data %p "
int retval;
struct pam_conv *conv;
- retval = _pam_get_item(pamh, PAM_CONV, &conv);
+ retval = pam_get_item(pamh, PAM_CONV, (const void **) &conv);
if (retval == PAM_SUCCESS) {
retval = conv->conv(nargs,
- (const struct pam_message **)message,
+ discard_const_p(const struct pam_message *, message),
response, conv->appdata_ptr);
}
{
struct pam_message msg, *pmsg;
struct pam_response *resp = NULL;
- const char *prompt;
int ret;
bool retval = false;
- prompt = _("Do you want to change your password now?");
pmsg = &msg;
msg.msg_style = PAM_RADIO_TYPE;
- msg.msg = prompt;
+ msg.msg = _("Do you want to change your password now?");
ret = converse(ctx->pamh, 1, &pmsg, &resp);
if (resp == NULL) {
if (ret == PAM_SUCCESS) {
}
_pam_log(ctx, LOG_CRIT, "Received [%s] reply from application.\n", resp->resp);
- if (strcasecmp(resp->resp, "yes") == 0) {
+ if ((resp->resp != NULL) && (strcasecmp(resp->resp, "yes") == 0)) {
retval = true;
}
const char *src,
int dest_buffer_size)
{
- int dest_length = strlen(dest);
- int src_length = strlen(src);
-
- if (dest_length + src_length + 1 > dest_buffer_size) {
- return false;
- }
-
- memcpy(dest + dest_length, src, src_length + 1);
- return true;
+ size_t len;
+ len = strlcat(dest, src, dest_buffer_size);
+ return (len < dest_buffer_size);
}
/**
_make_remark_format(ctx, PAM_TEXT_INFO, _("Cannot convert group %s "
"to sid, please contact your administrator to see "
"if group %s is valid."), search_location, search_location);
+
+ /* If no valid groups were converted we should fail outright */
+ if (name_list != NULL && strlen(sid_list_buffer) == 0) {
+ result = false;
+ goto out;
+ }
/*
* The lookup of the last name failed..
* It results in require_member_of_sid ends with ','
static void _pam_setup_krb5_env(struct pwb_context *ctx,
struct wbcLogonUserInfo *info)
{
- char var[PATH_MAX];
+ char *var = NULL;
int ret;
uint32_t i;
const char *krb5ccname = NULL;
_pam_log_debug(ctx, LOG_DEBUG,
"request returned KRB5CCNAME: %s", krb5ccname);
- if (snprintf(var, sizeof(var), "KRB5CCNAME=%s", krb5ccname) == -1) {
+ if (asprintf(&var, "KRB5CCNAME=%s", krb5ccname) == -1) {
return;
}
"failed to set KRB5CCNAME to %s: %s",
var, pam_strerror(ctx->pamh, ret));
}
+ free(var);
}
/**
}
params.account_name = user;
- params.level = WBC_AUTH_USER_LEVEL_PLAIN;
+ params.level = WBC_CHANGE_PASSWORD_LEVEL_PLAIN;
params.old_password.plaintext = oldpass;
params.new_password.plaintext = newpass;
params.flags = flags;
}
/* FIXME: avoid to send multiple PAM messages after another */
- switch (reject_reason) {
+ switch ((int)reject_reason) {
case -1:
break;
case WBC_PWD_CHANGE_NO_ERROR:
switch (wbc_status) {
case WBC_ERR_UNKNOWN_USER:
+ /* match other insane libwbclient return codes */
+ case WBC_ERR_WINBIND_NOT_AVAILABLE:
+ case WBC_ERR_DOMAIN_NOT_FOUND:
return 1;
case WBC_ERR_SUCCESS:
return 0;
if (on(WINBIND_TRY_FIRST_PASS_ARG, ctrl) ||
on(WINBIND_USE_FIRST_PASS_ARG, ctrl)) {
- retval = _pam_get_item(ctx->pamh, authtok_flag, &item);
+ retval = pam_get_item(ctx->pamh,
+ authtok_flag,
+ (const void **) &item);
if (retval != PAM_SUCCESS) {
/* very strange. */
_pam_log(ctx, LOG_ALERT,
retval = pam_set_item(ctx->pamh, authtok_flag, token);
_pam_delete(token); /* clean it up */
if (retval != PAM_SUCCESS ||
- (retval = _pam_get_item(ctx->pamh, authtok_flag, &item)) != PAM_SUCCESS) {
+ (retval = pam_get_item(ctx->pamh, authtok_flag, (const void **) &item)) != PAM_SUCCESS) {
_pam_log(ctx, LOG_CRIT, "error manipulating password");
return retval;
goto out;
}
- parm_opt = iniparser_getstr(ctx->dict, key);
+ parm_opt = tiniparser_getstring_nonempty(ctx->dict, key, NULL);
TALLOC_FREE(key);
_pam_log_debug(ctx, LOG_INFO, "CONFIG file: %s '%s'\n",
goto out;
}
- parm_opt = iniparser_getint(ctx->dict, key, -1);
+ parm_opt = tiniparser_getint(ctx->dict, key, -1);
TALLOC_FREE(key);
_pam_log_debug(ctx, LOG_INFO,
ret = get_config_item_int(ctx, "warn_pwd_expire",
WINBIND_WARN_PWD_EXPIRE);
/* no or broken setting */
- if (ret <= 0) {
+ if (ret < 0) {
return DEFAULT_DAYS_TO_WARN_BEFORE_PWD_EXPIRES;
}
return ret;
* Convert a upn to a name.
*
* @param ctx PAM winbind context.
- * @param upn USer UPN to be trabslated.
+ * @param upn User UPN to be translated.
*
* @return converted name. NULL pointer on failure. Caller needs to free.
*/
char *domain = NULL;
char *name;
char *p;
+ char *result;
/* This cannot work when the winbind separator = @ */
return NULL;
}
- return talloc_asprintf(ctx, "%s\\%s", domain, name);
+ result = talloc_asprintf(ctx, "%s%c%s", domain, sep, name);
+ wbcFreeMemory(domain);
+ wbcFreeMemory(name);
+ return result;
}
static int _pam_delete_cred(pam_handle_t *pamh, int flags,
- int argc, const char **argv)
+ int argc, enum pam_winbind_request_type type,
+ const char **argv)
{
int retval = PAM_SUCCESS;
struct pwb_context *ctx = NULL;
ZERO_STRUCT(logoff);
- retval = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ retval = _pam_winbind_init_context(pamh, flags, argc, argv, type, &ctx);
if (retval) {
- goto out;
+ return retval;
}
_PAM_LOG_FUNCTION_ENTER("_pam_delete_cred", ctx);
char *real_username = NULL;
struct pwb_context *ctx = NULL;
- retval = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ retval = _pam_winbind_init_context(pamh, flags, argc, argv,
+ PAM_WINBIND_AUTHENTICATE, &ctx);
if (retval) {
- goto out;
+ return retval;
}
_PAM_LOG_FUNCTION_ENTER("pam_sm_authenticate", ctx);
int ret = PAM_SYSTEM_ERR;
struct pwb_context *ctx = NULL;
- ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv,
+ PAM_WINBIND_SETCRED, &ctx);
if (ret) {
- goto out;
+ return ret;
}
_PAM_LOG_FUNCTION_ENTER("pam_sm_setcred", ctx);
switch (flags & ~PAM_SILENT) {
case PAM_DELETE_CRED:
- ret = _pam_delete_cred(pamh, flags, argc, argv);
+ ret = _pam_delete_cred(pamh, flags, argc,
+ PAM_WINBIND_SETCRED, argv);
break;
case PAM_REFRESH_CRED:
_pam_log_debug(ctx, LOG_WARNING,
break;
}
- out:
-
_PAM_LOG_FUNCTION_LEAVE("pam_sm_setcred", ctx, ret);
TALLOC_FREE(ctx);
{
const char *username;
int ret = PAM_USER_UNKNOWN;
- void *tmp = NULL;
+ const char *tmp = NULL;
struct pwb_context *ctx = NULL;
- ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv,
+ PAM_WINBIND_ACCT_MGMT, &ctx);
if (ret) {
- goto out;
+ return ret;
}
_PAM_LOG_FUNCTION_ENTER("pam_sm_acct_mgmt", ctx);
pam_get_data(pamh, PAM_WINBIND_NEW_AUTHTOK_REQD,
(const void **)&tmp);
if (tmp != NULL) {
- ret = atoi((const char *)tmp);
+ ret = atoi(tmp);
switch (ret) {
case PAM_AUTHTOK_EXPIRED:
/* fall through, since new token is required in this case */
int ret = PAM_SUCCESS;
struct pwb_context *ctx = NULL;
- ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv,
+ PAM_WINBIND_OPEN_SESSION, &ctx);
if (ret) {
- goto out;
+ return ret;
}
_PAM_LOG_FUNCTION_ENTER("pam_sm_open_session", ctx);
/* check and create homedir */
ret = _pam_mkhomedir(ctx);
}
- out:
+
_PAM_LOG_FUNCTION_LEAVE("pam_sm_open_session", ctx, ret);
TALLOC_FREE(ctx);
int ret = PAM_SUCCESS;
struct pwb_context *ctx = NULL;
- ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv,
+ PAM_WINBIND_CLOSE_SESSION, &ctx);
if (ret) {
- goto out;
+ return ret;
}
_PAM_LOG_FUNCTION_ENTER("pam_sm_close_session", ctx);
-out:
_PAM_LOG_FUNCTION_LEAVE("pam_sm_close_session", ctx, ret);
TALLOC_FREE(ctx);
char *new_authtok_reqd_during_auth = NULL;
struct passwd *pwd = NULL;
- _pam_get_data(ctx->pamh, PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH,
- &new_authtok_reqd_during_auth);
+ pam_get_data(ctx->pamh, PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH,
+ (const void **) &new_authtok_reqd_during_auth);
pam_set_data(ctx->pamh, PAM_WINBIND_NEW_AUTHTOK_REQD_DURING_AUTH,
NULL, NULL);
/* <DO NOT free() THESE> */
const char *user;
- char *pass_old, *pass_new;
+ const char *pass_old;
+ const char *pass_new;
/* </DO NOT free() THESE> */
char *Announce;
struct wbcAuthErrorInfo *error = NULL;
struct pwb_context *ctx = NULL;
- ret = _pam_winbind_init_context(pamh, flags, argc, argv, &ctx);
+ ret = _pam_winbind_init_context(pamh, flags, argc, argv,
+ PAM_WINBIND_CHAUTHTOK, &ctx);
if (ret) {
- goto out;
+ return ret;
}
_PAM_LOG_FUNCTION_ENTER("pam_sm_chauthtok", ctx);
* get the old token back.
*/
- ret = _pam_get_item(pamh, PAM_OLDAUTHTOK, &pass_old);
+ ret = pam_get_item(pamh, PAM_OLDAUTHTOK, (const void **) &pass_old);
if (ret != PAM_SUCCESS) {
_pam_log(ctx, LOG_NOTICE,
* 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,
- &pwdlastset_update);
+ pam_get_data(pamh, PAM_WINBIND_PWD_LAST_SET,
+ (const void **) &pwdlastset_update);
/*
* if cached creds were enabled, make sure to set the
git.samba.org / sfrench / samba-autobuild / .git / blobdiff