int iface_conf_update(struct db_set_param *param,
struct iface_rec *iface)
{
struct iface_rec *def_iface;
recinfo_t *info;
int rc = 0;
def_iface = iface_match_default(iface);
if (def_iface) {
log_error("iface %s is a special interface and "
"cannot be modified.\n", iface->name);
return ISCSI_ERR_INVAL;
}
info = idbm_recinfo_alloc(MAX_KEYS);
if (!info)
return ISCSI_ERR_NOMEM;
idbm_recinfo_iface(iface, info);
rc = idbm_verify_param(info, param->name);
if (rc)
goto free_info;
rc = idbm_rec_update_param(info, param->name, param->value, 0);
if (rc)
goto free_info;
rc = iface_conf_write(iface);
free_info:
free(info);
return rc;
}
int iface_conf_delete(struct iface_rec *iface)
{
struct iface_rec *def_iface;
char *iface_conf;
int rc = 0;
def_iface = iface_match_default(iface);
if (def_iface) {
log_error("iface %s is a special interface and "
"cannot be deleted.\n", iface->name);
return ISCSI_ERR_INVAL;
}
iface_conf = calloc(1, PATH_MAX);
if (!iface_conf)
return ISCSI_ERR_NOMEM;
sprintf(iface_conf, "%s/%s", IFACE_CONFIG_DIR, iface->name);
rc = idbm_lock();
if (rc)
goto free_conf;
if (unlink(iface_conf))
rc = ISCSI_ERR_IDBM;
idbm_unlock();
free_conf:
free(iface_conf);
return rc;
}
int iface_conf_update(struct list_head *params, struct iface_rec *iface)
{
struct iface_rec *def_iface;
recinfo_t *info;
struct user_param *param;
int rc = 0;
def_iface = iface_match_default(iface);
if (def_iface) {
log_error("iface %s is a special interface and "
"cannot be modified.\n", iface->name);
return ISCSI_ERR_INVAL;
}
info = idbm_recinfo_alloc(MAX_KEYS);
if (!info)
return ISCSI_ERR_NOMEM;
idbm_recinfo_iface(iface, info);
list_for_each_entry(param, params, list) {
rc = idbm_verify_param(info, param->name);
if (rc)
goto free_info;
}
int iface_conf_read(struct iface_rec *iface)
{
struct iface_rec *def_iface;
int rc, retry = 0;
def_iface = iface_match_default(iface);
if (def_iface) {
/*
* older tools allowed default to have different
* transport_names so we do not want to overwrite
* it.
*/
if (!strcmp(def_iface->name, DEFAULT_IFACENAME)) {
if (!strlen(iface->name))
strcpy(iface->name, def_iface->name);
if (!strlen(iface->netdev))
strcpy(iface->netdev, def_iface->netdev);
if (!strlen(iface->hwaddress))
strcpy(iface->hwaddress, def_iface->hwaddress);
if (!strlen(iface->transport_name))
strcpy(iface->transport_name,
def_iface->transport_name);
if (!strlen(iface->iname))
strcpy(iface->iname, def_iface->iname);
} else {
iface_init(iface);
iface_copy(iface, def_iface);
}
return 0;
}
retry_read:
rc = idbm_lock();
if (rc)
return rc;
rc = __iface_conf_read(iface);
idbm_unlock();
/*
* cmd was run before running -m iface, so force def bindings
* creation to see if that was the one requested
*/
if (retry < 1 && rc == ISCSI_ERR_IDBM) {
iface_setup_host_bindings();
retry++;
goto retry_read;
}
return rc;
}
int iface_conf_write(struct iface_rec *iface)
{
struct iface_rec *def_iface;
char *iface_conf;
FILE *f;
int rc = 0;
def_iface = iface_match_default(iface);
if (def_iface) {
log_error("iface %s is a special interface and "
"is not stored in %s.\n", iface->name,
IFACE_CONFIG_DIR);
return ISCSI_ERR_INVAL;
}
iface_conf = calloc(1, PATH_MAX);
if (!iface_conf)
return ISCSI_ERR_NOMEM;
sprintf(iface_conf, "%s/%s", IFACE_CONFIG_DIR, iface->name);
f = fopen(iface_conf, "w");
if (!f) {
rc = ISCSI_ERR_IDBM;
goto free_conf;
}
rc = idbm_lock();
if (rc)
goto close_f;
idbm_print(IDBM_PRINT_TYPE_IFACE, iface, 1, f);
idbm_unlock();
close_f:
fclose(f);
free_conf:
free(iface_conf);
return rc;
}
int iface_conf_read(struct iface_rec *iface)
{
struct iface_rec *def_iface;
int rc;
def_iface = iface_match_default(iface);
if (def_iface) {
/*
* older tools allowed default to have different
* transport_names so we do not want to overwrite
* it.
*/
if (!strcmp(def_iface->name, DEFAULT_IFACENAME)) {
if (!strlen(iface->name))
strcpy(iface->name, def_iface->name);
if (!strlen(iface->netdev))
strcpy(iface->netdev, def_iface->netdev);
if (!strlen(iface->hwaddress))
strcpy(iface->hwaddress, def_iface->hwaddress);
if (!strlen(iface->transport_name))
strcpy(iface->transport_name,
def_iface->transport_name);
if (!strlen(iface->iname))
strcpy(iface->iname, def_iface->iname);
} else {
iface_init(iface);
iface_copy(iface, def_iface);
}
return 0;
}
rc = idbm_lock();
if (rc)
return rc;
rc = __iface_conf_read(iface);
idbm_unlock();
return rc;
}
