diff options
Diffstat (limited to 'transport.c')
| -rw-r--r-- | transport.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/transport.c b/transport.c index 88bde1d85e..94fe8658f2 100644 --- a/transport.c +++ b/transport.c @@ -909,6 +909,20 @@ static int external_specification_len(const char *url) return strchr(url, ':') - url; } +void transport_check_allowed(const char *type) +{ + struct string_list allowed = STRING_LIST_INIT_DUP; + const char *v = getenv("GIT_ALLOW_PROTOCOL"); + + if (!v) + return; + + string_list_split(&allowed, v, ':', -1); + if (!unsorted_string_list_has_string(&allowed, type)) + die("transport '%s' not allowed", type); + string_list_clear(&allowed, 0); +} + struct transport *transport_get(struct remote *remote, const char *url) { const char *helper; @@ -940,12 +954,14 @@ struct transport *transport_get(struct remote *remote, const char *url) if (helper) { transport_helper_init(ret, helper); } else if (starts_with(url, "rsync:")) { + transport_check_allowed("rsync"); ret->get_refs_list = get_refs_via_rsync; ret->fetch = fetch_objs_via_rsync; ret->push = rsync_transport_push; ret->smart_options = NULL; } else if (url_is_local_not_ssh(url) && is_file(url) && is_bundle(url, 1)) { struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); + transport_check_allowed("file"); ret->data = data; ret->get_refs_list = get_refs_from_bundle; ret->fetch = fetch_refs_from_bundle; @@ -957,7 +973,10 @@ struct transport *transport_get(struct remote *remote, const char *url) || starts_with(url, "ssh://") || starts_with(url, "git+ssh://") || starts_with(url, "ssh+git://")) { - /* These are builtin smart transports. */ + /* + * These are builtin smart transports; "allowed" transports + * will be checked individually in git_connect. + */ struct git_transport_data *data = xcalloc(1, sizeof(*data)); ret->data = data; ret->set_option = NULL; |