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sr_driver_scan: Enforce options passed in by client.

This commit is contained in:
Bert Vermeulen 2014-11-14 12:22:54 +01:00
parent 4b664cd6ce
commit 071151b578
1 changed files with 29 additions and 2 deletions
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31
src/hwdriver.c
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@ -304,8 +304,13 @@ SR_API int sr_driver_init(struct sr_context *ctx, struct sr_dev_driver *driver)
*/
SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options)
{
GSList *l;
struct sr_config *src;
const struct sr_config_info *srci;
GSList *l;
GVariant *gvar_opts;
const uint32_t *opts;
gsize num_opts, i;
int ret;
if (!driver) {
sr_err("Invalid driver, can't scan for devices.");
@ -317,11 +322,33 @@ SR_API GSList *sr_driver_scan(struct sr_dev_driver *driver, GSList *options)
return NULL;
}
ret = sr_config_list(driver, NULL, NULL, SR_CONF_SCAN_OPTIONS, &gvar_opts);
if (ret != SR_OK && options) {
/* Driver publishes no scan options but some were given. */
sr_err("Driver does not support scan options.");
return NULL;
}
opts = g_variant_get_fixed_array(gvar_opts, &num_opts, sizeof(uint32_t));
for (l = options; l; l = l->next) {
src = l->data;
if (sr_variant_type_check(src->key, src->data) != SR_OK)
for (i = 0; i < num_opts; i++) {
if (opts[i] == src->key)
break;
}
if (i == num_opts) {
if (!(srci = sr_config_info_get(src->key)))
sr_err("Driver does not support scan option %d.", src->key);
else
sr_err("Driver does not support scan option '%s'.", srci->id);
g_variant_unref(gvar_opts);
return NULL;
}
if (sr_variant_type_check(src->key, src->data) != SR_OK) {
g_variant_unref(gvar_opts);
return NULL;
}
}
g_variant_unref(gvar_opts);
l = driver->scan(options);