From dc06dc880013d48f2b09c6b4295419382f3b8230 Mon Sep 17 00:00:00 2001 From: Jeff King Date: Thu, 11 Feb 2016 17:26:44 -0500 Subject: [PATCH] list-objects: drop name_path entirely In the previous commit, we left name_path as a thin wrapper around a strbuf. This patch drops it entirely. As a result, every show_object_fn callback needs to be adjusted. However, none of their code needs to be changed at all, because the only use was to pass it to path_name(), which now handles the bare strbuf. Signed-off-by: Jeff King Signed-off-by: Junio C Hamano Upstream-Status: Backport CVE: CVE-2016-2315 patch4 Signed-off-by: Armin Kuster --- builtin/pack-objects.c | 4 ++-- builtin/rev-list.c | 4 ++-- list-objects.c | 12 +++++------- list-objects.h | 2 +- pack-bitmap-write.c | 2 +- pack-bitmap.c | 4 ++-- reachable.c | 2 +- revision.c | 6 +++--- revision.h | 8 ++------ 9 files changed, 19 insertions(+), 25 deletions(-) Index: git-2.5.0/builtin/pack-objects.c =================================================================== --- git-2.5.0.orig/builtin/pack-objects.c +++ git-2.5.0/builtin/pack-objects.c @@ -2285,7 +2285,7 @@ static void show_commit(struct commit *c } static void show_object(struct object *obj, - const struct name_path *path, const char *last, + struct strbuf *path, const char *last, void *data) { char *name = path_name(path, last); @@ -2480,7 +2480,7 @@ static int get_object_list_from_bitmap(s } static void record_recent_object(struct object *obj, - const struct name_path *path, + struct strbuf *path, const char *last, void *data) { Index: git-2.5.0/builtin/rev-list.c =================================================================== --- git-2.5.0.orig/builtin/rev-list.c +++ git-2.5.0/builtin/rev-list.c @@ -178,7 +178,7 @@ static void finish_commit(struct commit } static void finish_object(struct object *obj, - const struct name_path *path, const char *name, + struct strbuf *path, const char *name, void *cb_data) { struct rev_list_info *info = cb_data; @@ -189,7 +189,7 @@ static void finish_object(struct object } static void show_object(struct object *obj, - const struct name_path *path, const char *component, + struct strbuf *path, const char *component, void *cb_data) { struct rev_list_info *info = cb_data; Index: git-2.5.0/list-objects.c =================================================================== --- git-2.5.0.orig/list-objects.c +++ git-2.5.0/list-objects.c @@ -11,7 +11,7 @@ static void process_blob(struct rev_info *revs, struct blob *blob, show_object_fn show, - struct name_path *path, + struct strbuf *path, const char *name, void *cb_data) { @@ -52,7 +52,7 @@ static void process_blob(struct rev_info static void process_gitlink(struct rev_info *revs, const unsigned char *sha1, show_object_fn show, - struct name_path *path, + struct strbuf *path, const char *name, void *cb_data) { @@ -69,7 +69,6 @@ static void process_tree(struct rev_info struct object *obj = &tree->object; struct tree_desc desc; struct name_entry entry; - struct name_path me; enum interesting match = revs->diffopt.pathspec.nr == 0 ? all_entries_interesting: entry_not_interesting; int baselen = base->len; @@ -87,8 +86,7 @@ static void process_tree(struct rev_info } obj->flags |= SEEN; - me.base = base; - show(obj, &me, name, cb_data); + show(obj, base, name, cb_data); strbuf_addstr(base, name); if (base->len) @@ -113,12 +111,12 @@ static void process_tree(struct rev_info cb_data); else if (S_ISGITLINK(entry.mode)) process_gitlink(revs, entry.sha1, - show, &me, entry.path, + show, base, entry.path, cb_data); else process_blob(revs, lookup_blob(entry.sha1), - show, &me, entry.path, + show, base, entry.path, cb_data); } strbuf_setlen(base, baselen); Index: git-2.5.0/list-objects.h =================================================================== --- git-2.5.0.orig/list-objects.h +++ git-2.5.0/list-objects.h @@ -2,7 +2,7 @@ #define LIST_OBJECTS_H typedef void (*show_commit_fn)(struct commit *, void *); -typedef void (*show_object_fn)(struct object *, const struct name_path *, const char *, void *); +typedef void (*show_object_fn)(struct object *, struct strbuf *, const char *, void *); void traverse_commit_list(struct rev_info *, show_commit_fn, show_object_fn, void *); typedef void (*show_edge_fn)(struct commit *); Index: git-2.5.0/pack-bitmap-write.c =================================================================== --- git-2.5.0.orig/pack-bitmap-write.c +++ git-2.5.0/pack-bitmap-write.c @@ -148,7 +148,7 @@ static uint32_t find_object_pos(const un return entry->in_pack_pos; } -static void show_object(struct object *object, const struct name_path *path, +static void show_object(struct object *object, struct strbuf *path, const char *last, void *data) { struct bitmap *base = data; Index: git-2.5.0/pack-bitmap.c =================================================================== --- git-2.5.0.orig/pack-bitmap.c +++ git-2.5.0/pack-bitmap.c @@ -422,7 +422,7 @@ static int ext_index_add_object(struct o return bitmap_pos + bitmap_git.pack->num_objects; } -static void show_object(struct object *object, const struct name_path *path, +static void show_object(struct object *object, struct strbuf *path, const char *last, void *data) { struct bitmap *base = data; @@ -903,7 +903,7 @@ struct bitmap_test_data { }; static void test_show_object(struct object *object, - const struct name_path *path, + struct strbuf *path, const char *last, void *data) { struct bitmap_test_data *tdata = data; Index: git-2.5.0/reachable.c =================================================================== --- git-2.5.0.orig/reachable.c +++ git-2.5.0/reachable.c @@ -37,7 +37,7 @@ static int add_one_ref(const char *path, * The traversal will have already marked us as SEEN, so we * only need to handle any progress reporting here. */ -static void mark_object(struct object *obj, const struct name_path *path, +static void mark_object(struct object *obj, struct strbuf *path, const char *name, void *data) { update_progress(data); Index: git-2.5.0/revision.c =================================================================== --- git-2.5.0.orig/revision.c +++ git-2.5.0/revision.c @@ -21,17 +21,17 @@ volatile show_early_output_fn_t show_early_output; -char *path_name(const struct name_path *path, const char *name) +char *path_name(struct strbuf *path, const char *name) { struct strbuf ret = STRBUF_INIT; if (path) - strbuf_addbuf(&ret, path->base); + strbuf_addbuf(&ret, path); strbuf_addstr(&ret, name); return strbuf_detach(&ret, NULL); } void show_object_with_name(FILE *out, struct object *obj, - const struct name_path *path, const char *component) + struct strbuf *path, const char *component) { char *name = path_name(path, component); char *p; Index: git-2.5.0/revision.h =================================================================== --- git-2.5.0.orig/revision.h +++ git-2.5.0/revision.h @@ -256,14 +256,10 @@ extern void put_revision_mark(const stru extern void mark_parents_uninteresting(struct commit *commit); extern void mark_tree_uninteresting(struct tree *tree); -struct name_path { - struct strbuf *base; -}; - -char *path_name(const struct name_path *path, const char *name); +char *path_name(struct strbuf *path, const char *name); extern void show_object_with_name(FILE *, struct object *, - const struct name_path *, const char *); + struct strbuf *, const char *); extern void add_pending_object(struct rev_info *revs, struct object *obj, const char *name);