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-rw-r--r--credential.c42
1 files changed, 36 insertions, 6 deletions
diff --git a/credential.c b/credential.c
index 108d9e183a..b8f693fa28 100644
--- a/credential.c
+++ b/credential.c
@@ -377,8 +377,31 @@ static int check_url_component(const char *url, int quiet,
return -1;
}
-int credential_from_url_gently(struct credential *c, const char *url,
- int quiet)
+/*
+ * Potentially-partial URLs can, but do not have to, contain
+ *
+ * - a protocol (or scheme) of the form "<protocol>://"
+ *
+ * - a host name (the part after the protocol and before the first slash after
+ * that, if any)
+ *
+ * - a user name and potentially a password (as "<user>[:<password>]@" part of
+ * the host name)
+ *
+ * - a path (the part after the host name, if any, starting with the slash)
+ *
+ * Missing parts will be left unset in `struct credential`. Thus, `https://`
+ * will have only the `protocol` set, `example.com` only the host name, and
+ * `/git` only the path.
+ *
+ * Note that an empty host name in an otherwise fully-qualified URL (e.g.
+ * `cert:///path/to/cert.pem`) will be treated as unset if we expect the URL to
+ * be potentially partial, and only then (otherwise, the empty string is used).
+ *
+ * The credential_from_url() function does not allow partial URLs.
+ */
+static int credential_from_url_1(struct credential *c, const char *url,
+ int allow_partial_url, int quiet)
{
const char *at, *colon, *cp, *slash, *host, *proto_end;
@@ -391,12 +414,12 @@ int credential_from_url_gently(struct credential *c, const char *url,
* (3) proto://<user>:<pass>@<host>/...
*/
proto_end = strstr(url, "://");
- if (!proto_end || proto_end == url) {
+ if (!allow_partial_url && (!proto_end || proto_end == url)) {
if (!quiet)
warning(_("url has no scheme: %s"), url);
return -1;
}
- cp = proto_end + 3;
+ cp = proto_end ? proto_end + 3 : url;
at = strchr(cp, '@');
colon = strchr(cp, ':');
slash = strchrnul(cp, '/');
@@ -420,8 +443,10 @@ int credential_from_url_gently(struct credential *c, const char *url,
host = at + 1;
}
- c->protocol = xmemdupz(url, proto_end - url);
- c->host = url_decode_mem(host, slash - host);
+ if (proto_end && proto_end - url > 0)
+ c->protocol = xmemdupz(url, proto_end - url);
+ if (!allow_partial_url || slash - host > 0)
+ c->host = url_decode_mem(host, slash - host);
/* Trim leading and trailing slashes from path */
while (*slash == '/')
slash++;
@@ -443,6 +468,11 @@ int credential_from_url_gently(struct credential *c, const char *url,
return 0;
}
+int credential_from_url_gently(struct credential *c, const char *url, int quiet)
+{
+ return credential_from_url_1(c, url, 0, quiet);
+}
+
void credential_from_url(struct credential *c, const char *url)
{
if (credential_from_url_gently(c, url, 0) < 0)