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Detect the onion service version and then check for invalid options unless we have set HiddenServiceVersion

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This commit is contained in:
Neel Chauhan 2018-10-24 12:19:42 -04:00 committed by David Goulet
parent 3a05b5acdc
commit 82b3a02302
2 changed files with 22 additions and 11 deletions
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28
src/feature/hs/hs_config.c
View File

@ -419,7 +419,7 @@ config_generic_service(const config_line_t *line_,
dup_opt_seen = line->key;
goto err;
}
have_version = 1;
have_version = service->config.hs_version_explicitly_set = 1;
continue;
}
/* Virtual port. */
@ -534,18 +534,15 @@ config_service(const config_line_t *line, const or_options_t *options,
/* We have a new hidden service. */
service = hs_service_new(options);
/* We'll configure that service as a generic one and then pass it to a
* specific function according to the configured version number. */
if (config_generic_service(line, options, service) < 0) {
goto err;
}
tor_assert(service->config.version <= HS_VERSION_MAX);
/* Before we configure the service on a per-version basis, we'll make
* sure that this set of options for a service are valid that is for
* instance an option only for v2 is not used for v3. */
if (config_has_invalid_options(line->next, service)) {
goto err;
}
/* Check permission on service directory that was just parsed. And this must
* be done regardless of the service version. Do not ask for the directory
* to be created, this is done when the keys are loaded because we could be
@ -556,11 +553,19 @@ config_service(const config_line_t *line, const or_options_t *options,
0) < 0) {
goto err;
}
/* We'll try to learn the service version here by loading the key(s) if
* present. Depending on the key format, we can figure out the service
* version. If we can't find a key, the configuration version will be used
* which has been set previously. */
* present and we did not set HiddenServiceVersion. Depending on the key
* format, we can figure out the service version. */
if (!service->config.hs_version_explicitly_set) {
service->config.version = config_learn_service_version(service);
}
/* We make sure that this set of options for a service are valid that is for
* instance an option only for v2 is not used for v3. */
if (config_has_invalid_options(line->next, service)) {
goto err;
}
/* Different functions are in charge of specific options for a version. We
* start just after the service directory line so once we hit another
@ -580,13 +585,16 @@ config_service(const config_line_t *line, const or_options_t *options,
if (ret < 0) {
goto err;
}
/* We'll check if this service can be kept depending on the others
* configured previously. */
if (service_is_duplicate_in_list(service_list, service)) {
goto err;
}
/* Passes, add it to the given list. */
smartlist_add(service_list, service);
return 0;
err:

3
src/feature/hs/hs_service.h
View File

@ -178,6 +178,9 @@ typedef struct hs_service_config_t {
* option. */
uint32_t version;
/* Have we explicitly set HiddenServiceVersion? */
unsigned int hs_version_explicitly_set : 1;
/* List of rend_service_port_config_t */
smartlist_t *ports;