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hsv3: Abstract parts of hs_config_client_authorization() into func.

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Now we have a function that reads a file and returns a credential. We need that
for the REMOVE control port command.
This commit is contained in:
George Kadianakis 2019-11-25 18:03:53 +02:00 committed by David Goulet
parent 763f337290
commit 8ed8707f0a
1 changed files with 46 additions and 32 deletions
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78
src/feature/hs/hs_client.c
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@ -1569,6 +1569,50 @@ hs_client_register_auth_credentials(hs_client_service_authorization_t *creds)
return retval;
}
/** Load a client authorization file with <b>filename</b> that is stored under
* the global client auth directory, and return a newly-allocated credentials
* object if it parsed well. Otherwise, return NULL.
*/
static hs_client_service_authorization_t *
get_creds_from_client_auth_filename(const char *filename,
const or_options_t *options)
{
hs_client_service_authorization_t *auth = NULL;
char *client_key_file_path = NULL;
char *client_key_str = NULL;
log_info(LD_REND, "Loading a client authorization key file %s...",
filename);
if (!auth_key_filename_is_valid(filename)) {
log_notice(LD_REND, "Client authorization unrecognized filename %s. "
"File must end in .auth_private. Ignoring.",
filename);
goto err;
}
/* Create a full path for a file. */
client_key_file_path = hs_path_from_filename(options->ClientOnionAuthDir,
filename);
client_key_str = read_file_to_str(client_key_file_path, 0, NULL);
if (!client_key_str) {
log_warn(LD_REND, "The file %s cannot be read.", filename);
goto err;
}
auth = parse_auth_file_content(client_key_str);
if (!auth) {
goto err;
}
err:
tor_free(client_key_str);
tor_free(client_key_file_path);
return auth;
}
/** Remove client auth credentials for the service <b>hs_address</b>. */
hs_client_removal_auth_status_t
hs_client_remove_auth_credentials(const char *hsaddress)
@ -1958,8 +2002,6 @@ hs_config_client_authorization(const or_options_t *options,
int ret = -1;
digest256map_t *auths = digest256map_new();
smartlist_t *file_list = NULL;
char *client_key_str = NULL;
char *client_key_file_path = NULL;
tor_assert(options);
@ -1982,37 +2024,11 @@ hs_config_client_authorization(const or_options_t *options,
goto end;
}
SMARTLIST_FOREACH_BEGIN(file_list, char *, filename) {
SMARTLIST_FOREACH_BEGIN(file_list, const char *, filename) {
hs_client_service_authorization_t *auth = NULL;
ed25519_public_key_t identity_pk;
log_info(LD_REND, "Loading a client authorization key file %s...",
filename);
if (!auth_key_filename_is_valid(filename)) {
log_notice(LD_REND, "Client authorization unrecognized filename %s. "
"File must end in .auth_private. Ignoring.",
filename);
continue;
}
/* Create a full path for a file. */
client_key_file_path = hs_path_from_filename(options->ClientOnionAuthDir,
filename);
client_key_str = read_file_to_str(client_key_file_path, 0, NULL);
/* Free the file path immediately after using it. */
tor_free(client_key_file_path);
/* If we cannot read the file, continue with the next file. */
if (!client_key_str) {
log_warn(LD_REND, "The file %s cannot be read.", filename);
continue;
}
auth = parse_auth_file_content(client_key_str);
/* Free immediately after using it. */
tor_free(client_key_str);
auth = get_creds_from_client_auth_filename(filename, options);
if (!auth) {
continue;
}
@ -2044,8 +2060,6 @@ hs_config_client_authorization(const or_options_t *options,
ret = 0;
end:
tor_free(client_key_str);
tor_free(client_key_file_path);
if (file_list) {
SMARTLIST_FOREACH(file_list, char *, s, tor_free(s));
smartlist_free(file_list);