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turn on strict object validation by default

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This commit is contained in:
Edward Thomson 2016-02-28 15:51:38 -05:00
parent 4afe536ba1
commit f2dddf52c0
5 changed files with 39 additions and 34 deletions
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5
CHANGELOG.md
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@ -29,6 +29,11 @@ v0.23 + 1
* Rebases can now be performed purely in-memory, without touching the
repository's workdir.
* When adding objects to the index, or when creating new tree or commit
objects, the inputs are validated to ensure that the dependent objects
exist and are of the correct type. This object validation can be
disabled with the GIT_OPT_ENABLE_STRICT_OBJECT_CREATION option.
### API additions
* `git_config_lock()` has been added, which allow for

2
src/object.c
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@ -14,7 +14,7 @@
#include "blob.h"
#include "tag.h"
bool git_object__strict_input_validation = false;
bool git_object__strict_input_validation = true;
typedef struct {
const char *str; /* type name string */

8
tests/commit/write.c
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@ -38,7 +38,7 @@ void test_commit_write__cleanup(void)
cl_git_sandbox_cleanup();
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
}
@ -196,10 +196,12 @@ static int create_commit_from_ids(
return ret;
}
void test_commit_write__doesnt_validate_objects_by_default(void)
void test_commit_write__can_write_invalid_objects(void)
{
git_oid expected_id, tree_id, parent_id, commit_id;
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
/* this is a valid tree and parent */
git_oid_fromstr(&tree_id, tree_id_str);
git_oid_fromstr(&parent_id, parent_id_str);
@ -237,8 +239,6 @@ void test_commit_write__can_validate_objects(void)
{
git_oid tree_id, parent_id, commit_id;
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
/* this is a valid tree and parent */
git_oid_fromstr(&tree_id, tree_id_str);
git_oid_fromstr(&parent_id, parent_id_str);

46
tests/index/add.c
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@ -20,7 +20,7 @@ void test_index_add__cleanup(void)
cl_git_sandbox_cleanup();
g_repo = NULL;
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
}
static void test_add_entry(
@ -42,7 +42,7 @@ static void test_add_entry(
void test_index_add__invalid_entries_succeeds_by_default(void)
{
/*
* Ensure that there is no validation on ids by default
* Ensure that there is validation on object ids by default
*/
/* ensure that we can add some actually good entries */
@ -50,27 +50,6 @@ void test_index_add__invalid_entries_succeeds_by_default(void)
test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(true, valid_blob_id, GIT_FILEMODE_LINK);
/* test that we fail to add some invalid (missing) blobs and trees */
test_add_entry(true, invalid_id, GIT_FILEMODE_BLOB);
test_add_entry(true, invalid_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(true, invalid_id, GIT_FILEMODE_LINK);
/* test that we validate the types of objects */
test_add_entry(true, valid_commit_id, GIT_FILEMODE_BLOB);
test_add_entry(true, valid_tree_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(true, valid_commit_id, GIT_FILEMODE_LINK);
/*
* Ensure that strict object references will fail the `index_add`
*/
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
/* ensure that we can add some actually good entries */
test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB);
test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(true, valid_blob_id, GIT_FILEMODE_LINK);
/* test that we fail to add some invalid (missing) blobs and trees */
test_add_entry(false, invalid_id, GIT_FILEMODE_BLOB);
test_add_entry(false, invalid_id, GIT_FILEMODE_BLOB_EXECUTABLE);
@ -80,5 +59,26 @@ void test_index_add__invalid_entries_succeeds_by_default(void)
test_add_entry(false, valid_commit_id, GIT_FILEMODE_BLOB);
test_add_entry(false, valid_tree_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(false, valid_commit_id, GIT_FILEMODE_LINK);
/*
* Ensure that there we can disable validation
*/
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
/* ensure that we can add some actually good entries */
test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB);
test_add_entry(true, valid_blob_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(true, valid_blob_id, GIT_FILEMODE_LINK);
/* test that we can now add some invalid (missing) blobs and trees */
test_add_entry(true, invalid_id, GIT_FILEMODE_BLOB);
test_add_entry(true, invalid_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(true, invalid_id, GIT_FILEMODE_LINK);
/* test that we do not validate the types of objects */
test_add_entry(true, valid_commit_id, GIT_FILEMODE_BLOB);
test_add_entry(true, valid_tree_id, GIT_FILEMODE_BLOB_EXECUTABLE);
test_add_entry(true, valid_commit_id, GIT_FILEMODE_LINK);
}

12
tests/object/tree/write.c
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@ -19,7 +19,7 @@ void test_object_tree_write__cleanup(void)
{
cl_git_sandbox_cleanup();
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
}
void test_object_tree_write__from_memory(void)
@ -492,11 +492,11 @@ static void test_invalid_objects(bool should_allow_invalid)
void test_object_tree_write__object_validity(void)
{
/* Ensure that we can add invalid objects by default */
test_invalid_objects(true);
/* Ensure that we can turn on validation */
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 1));
/* Ensure that we cannot add invalid objects by default */
test_invalid_objects(false);
/* Ensure that we can turn off validation */
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_STRICT_OBJECT_CREATION, 0));
test_invalid_objects(true);
}