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Diffstat (limited to 'http-walker.c')
-rw-r--r--http-walker.c52
1 files changed, 41 insertions, 11 deletions
diff --git a/http-walker.c b/http-walker.c
index c2f81cd6af..b34b6ace7c 100644
--- a/http-walker.c
+++ b/http-walker.c
@@ -3,6 +3,7 @@
#include "walker.h"
#include "http.h"
#include "list.h"
+#include "transport.h"
struct alt_base {
char *base;
@@ -160,6 +161,32 @@ static void prefetch(struct walker *walker, unsigned char *sha1)
#endif
}
+static int is_alternate_allowed(const char *url)
+{
+ const char *protocols[] = {
+ "http", "https", "ftp", "ftps"
+ };
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(protocols); i++) {
+ const char *end;
+ if (skip_prefix(url, protocols[i], &end) &&
+ starts_with(end, "://"))
+ break;
+ }
+
+ if (i >= ARRAY_SIZE(protocols)) {
+ warning("ignoring alternate with unknown protocol: %s", url);
+ return 0;
+ }
+ if (!is_transport_allowed(protocols[i], 0)) {
+ warning("ignoring alternate with restricted protocol: %s", url);
+ return 0;
+ }
+
+ return 1;
+}
+
static void process_alternates_response(void *callback_data)
{
struct alternates_request *alt_req =
@@ -274,17 +301,20 @@ static void process_alternates_response(void *callback_data)
struct strbuf target = STRBUF_INIT;
strbuf_add(&target, base, serverlen);
strbuf_add(&target, data + i, posn - i - 7);
- warning("adding alternate object store: %s",
- target.buf);
- newalt = xmalloc(sizeof(*newalt));
- newalt->next = NULL;
- newalt->base = strbuf_detach(&target, NULL);
- newalt->got_indices = 0;
- newalt->packs = NULL;
-
- while (tail->next != NULL)
- tail = tail->next;
- tail->next = newalt;
+
+ if (is_alternate_allowed(target.buf)) {
+ warning("adding alternate object store: %s",
+ target.buf);
+ newalt = xmalloc(sizeof(*newalt));
+ newalt->next = NULL;
+ newalt->base = strbuf_detach(&target, NULL);
+ newalt->got_indices = 0;
+ newalt->packs = NULL;
+
+ while (tail->next != NULL)
+ tail = tail->next;
+ tail->next = newalt;
+ }
}
}
i = posn + 1;