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-rw-r--r--transport.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/transport.c b/transport.c
index 3dfb03c06..8ad317bf3 100644
--- a/transport.c
+++ b/transport.c
@@ -1083,3 +1083,51 @@ int transport_disconnect(struct transport *transport)
free(transport);
return ret;
}
+
+/*
+ * Strip username (and password) from an url and return
+ * it in a newly allocated string.
+ */
+char *transport_anonymize_url(const char *url)
+{
+ char *anon_url, *scheme_prefix, *anon_part;
+ size_t anon_len, prefix_len = 0;
+
+ anon_part = strchr(url, '@');
+ if (is_local(url) || !anon_part)
+ goto literal_copy;
+
+ anon_len = strlen(++anon_part);
+ scheme_prefix = strstr(url, "://");
+ if (!scheme_prefix) {
+ if (!strchr(anon_part, ':'))
+ /* cannot be "me@there:/path/name" */
+ goto literal_copy;
+ } else {
+ const char *cp;
+ /* make sure scheme is reasonable */
+ for (cp = url; cp < scheme_prefix; cp++) {
+ switch (*cp) {
+ /* RFC 1738 2.1 */
+ case '+': case '.': case '-':
+ break; /* ok */
+ default:
+ if (isalnum(*cp))
+ break;
+ /* it isn't */
+ goto literal_copy;
+ }
+ }
+ /* @ past the first slash does not count */
+ cp = strchr(scheme_prefix + 3, '/');
+ if (cp && cp < anon_part)
+ goto literal_copy;
+ prefix_len = scheme_prefix - url + 3;
+ }
+ anon_url = xcalloc(1, 1 + prefix_len + anon_len);
+ memcpy(anon_url, url, prefix_len);
+ memcpy(anon_url + prefix_len, anon_part, anon_len);
+ return anon_url;
+literal_copy:
+ return xstrdup(url);
+}