diff options
| -rw-r--r-- | transport-helper.c | 12 | ||||
| -rw-r--r-- | transport.c | 76 |
2 files changed, 72 insertions, 16 deletions
diff --git a/transport-helper.c b/transport-helper.c index 4b17aaa237..271af345e4 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -63,6 +63,16 @@ static void write_constant(int fd, const char *str) die_errno("Full write to remote helper failed"); } +const char *remove_ext_force(const char *url) +{ + if (url) { + const char *colon = strchr(url, ':'); + if (colon && colon[1] == ':') + return colon + 2; + } + return url; +} + static struct child_process *get_helper(struct transport *transport) { struct helper_data *data = transport->data; @@ -83,7 +93,7 @@ static struct child_process *get_helper(struct transport *transport) strbuf_addf(&buf, "remote-%s", data->name); helper->argv[0] = strbuf_detach(&buf, NULL); helper->argv[1] = transport->remote->name; - helper->argv[2] = transport->url; + helper->argv[2] = remove_ext_force(transport->url); helper->git_cmd = 1; if (start_command(helper)) die("Unable to run helper: git %s", helper->argv[0]); diff --git a/transport.c b/transport.c index 3eea836a33..dea37d09b2 100644 --- a/transport.c +++ b/transport.c @@ -780,6 +780,44 @@ static int is_file(const char *url) return S_ISREG(buf.st_mode); } +static int is_url(const char *url) +{ + const char *url2, *first_slash; + + if (!url) + return 0; + url2 = url; + first_slash = strchr(url, '/'); + + /* Input with no slash at all or slash first can't be URL. */ + if (!first_slash || first_slash == url) + return 0; + /* Character before must be : and next must be /. */ + if (first_slash[-1] != ':' || first_slash[1] != '/') + return 0; + /* There must be something before the :// */ + if (first_slash == url + 1) + return 0; + /* + * Check all characters up to first slash - 1. Only alphanum + * is allowed. + */ + url2 = url; + while (url2 < first_slash - 1) { + if (!isalnum((unsigned char)*url2)) + return 0; + url2++; + } + + /* Valid enough. */ + return 1; +} + +static int external_specification_len(const char *url) +{ + return strchr(url, ':') - url; +} + struct transport *transport_get(struct remote *remote, const char *url) { struct transport *ret = xcalloc(1, sizeof(*ret)); @@ -805,30 +843,23 @@ struct transport *transport_get(struct remote *remote, const char *url) if (remote && remote->foreign_vcs) { transport_helper_init(ret, remote->foreign_vcs); - return ret; - } - - if (!prefixcmp(url, "rsync:")) { + } else if (!prefixcmp(url, "rsync:")) { ret->get_refs_list = get_refs_via_rsync; ret->fetch = fetch_objs_via_rsync; ret->push = rsync_transport_push; - - } else if (!prefixcmp(url, "http://") - || !prefixcmp(url, "https://") - || !prefixcmp(url, "ftp://")) { - transport_helper_init(ret, "curl"); -#ifdef NO_CURL - error("git was compiled without libcurl support."); -#endif - } else if (is_local(url) && is_file(url)) { struct bundle_transport_data *data = xcalloc(1, sizeof(*data)); ret->data = data; ret->get_refs_list = get_refs_from_bundle; ret->fetch = fetch_refs_from_bundle; ret->disconnect = close_bundle; - - } else { + } else if (!is_url(url) + || !prefixcmp(url, "file://") + || !prefixcmp(url, "git://") + || !prefixcmp(url, "ssh://") + || !prefixcmp(url, "git+ssh://") + || !prefixcmp(url, "ssh+git://")) { + /* These are builtin smart transports. */ struct git_transport_data *data = xcalloc(1, sizeof(*data)); ret->data = data; ret->set_option = set_git_option; @@ -845,6 +876,21 @@ struct transport *transport_get(struct remote *remote, const char *url) data->receivepack = "git-receive-pack"; if (remote->receivepack) data->receivepack = remote->receivepack; + } else if (!prefixcmp(url, "http://") + || !prefixcmp(url, "https://") + || !prefixcmp(url, "ftp://")) { + /* These three are just plain special. */ + transport_helper_init(ret, "curl"); +#ifdef NO_CURL + error("git was compiled without libcurl support."); +#endif + } else { + /* Unknown protocol in URL. Pass to external handler. */ + int len = external_specification_len(url); + char *handler = xmalloc(len + 1); + handler[len] = 0; + strncpy(handler, url, len); + transport_helper_init(ret, handler); } return ret; |