thodg/libgit2/tests/checkout/nasty.c
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Hash : ecf4f33a
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Date : 2018-02-08T11:14:48
Convert usage of `git_buf_free` to new `git_buf_dispose`
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tests/checkout/nasty.c
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#include "clar_libgit2.h" #include "checkout_helpers.h" #include "git2/checkout.h" #include "repository.h" #include "buffer.h" #include "fileops.h" static const char *repo_name = "nasty"; static git_repository *repo; static git_checkout_options checkout_opts; void test_checkout_nasty__initialize(void) { repo = cl_git_sandbox_init(repo_name); GIT_INIT_STRUCTURE(&checkout_opts, GIT_CHECKOUT_OPTIONS_VERSION); checkout_opts.checkout_strategy = GIT_CHECKOUT_FORCE; } void test_checkout_nasty__cleanup(void) { cl_git_sandbox_cleanup(); } static void test_checkout_passes(const char *refname, const char *filename) { git_oid commit_id; git_commit *commit; git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_buf path = GIT_BUF_INIT; cl_git_pass(git_buf_joinpath(&path, repo_name, filename)); cl_git_pass(git_reference_name_to_id(&commit_id, repo, refname)); cl_git_pass(git_commit_lookup(&commit, repo, &commit_id)); opts.checkout_strategy = GIT_CHECKOUT_FORCE | GIT_CHECKOUT_DONT_UPDATE_INDEX; cl_git_pass(git_checkout_tree(repo, (const git_object *)commit, &opts)); cl_assert(!git_path_exists(path.ptr)); git_commit_free(commit); git_buf_dispose(&path); } static void test_checkout_fails(const char *refname, const char *filename) { git_oid commit_id; git_commit *commit; git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; git_buf path = GIT_BUF_INIT; cl_git_pass(git_buf_joinpath(&path, repo_name, filename)); cl_git_pass(git_reference_name_to_id(&commit_id, repo, refname)); cl_git_pass(git_commit_lookup(&commit, repo, &commit_id)); opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_fail(git_checkout_tree(repo, (const git_object *)commit, &opts)); cl_assert(!git_path_exists(path.ptr)); git_commit_free(commit); git_buf_dispose(&path); } /* A tree that contains ".git" as a tree, with a blob inside * (".git/foobar"). */ void test_checkout_nasty__dotgit_tree(void) { test_checkout_fails("refs/heads/dotgit_tree", ".git/foobar"); } /* A tree that contains ".GIT" as a tree, with a blob inside * (".GIT/foobar"). */ void test_checkout_nasty__dotcapitalgit_tree(void) { test_checkout_fails("refs/heads/dotcapitalgit_tree", ".GIT/foobar"); } /* A tree that contains a tree ".", with a blob inside ("./foobar"). */ void test_checkout_nasty__dot_tree(void) { test_checkout_fails("refs/heads/dot_tree", "foobar"); } /* A tree that contains a tree ".", with a tree ".git", with a blob * inside ("./.git/foobar"). */ void test_checkout_nasty__dot_dotgit_tree(void) { test_checkout_fails("refs/heads/dot_dotgit_tree", ".git/foobar"); } /* A tree that contains a tree, with a tree "..", with a tree ".git", with a * blob inside ("foo/../.git/foobar"). */ void test_checkout_nasty__dotdot_dotgit_tree(void) { test_checkout_fails("refs/heads/dotdot_dotgit_tree", ".git/foobar"); } /* A tree that contains a tree, with a tree "..", with a blob inside * ("foo/../foobar"). */ void test_checkout_nasty__dotdot_tree(void) { test_checkout_fails("refs/heads/dotdot_tree", "foobar"); } /* A tree that contains a blob with the rogue name ".git/foobar" */ void test_checkout_nasty__dotgit_path(void) { test_checkout_fails("refs/heads/dotgit_path", ".git/foobar"); } /* A tree that contains a blob with the rogue name ".GIT/foobar" */ void test_checkout_nasty__dotcapitalgit_path(void) { test_checkout_fails("refs/heads/dotcapitalgit_path", ".GIT/foobar"); } /* A tree that contains a blob with the rogue name "./.git/foobar" */ void test_checkout_nasty__dot_dotgit_path(void) { test_checkout_fails("refs/heads/dot_dotgit_path", ".git/foobar"); } /* A tree that contains a blob with the rogue name "./.GIT/foobar" */ void test_checkout_nasty__dot_dotcapitalgit_path(void) { test_checkout_fails("refs/heads/dot_dotcapitalgit_path", ".GIT/foobar"); } /* A tree that contains a blob with the rogue name "foo/../.git/foobar" */ void test_checkout_nasty__dotdot_dotgit_path(void) { test_checkout_fails("refs/heads/dotdot_dotgit_path", ".git/foobar"); } /* A tree that contains a blob with the rogue name "foo/../.GIT/foobar" */ void test_checkout_nasty__dotdot_dotcapitalgit_path(void) { test_checkout_fails("refs/heads/dotdot_dotcapitalgit_path", ".GIT/foobar"); } /* A tree that contains a blob with the rogue name "foo/." */ void test_checkout_nasty__dot_path(void) { test_checkout_fails("refs/heads/dot_path", "./foobar"); } /* A tree that contains a blob with the rogue name "foo/." */ void test_checkout_nasty__dot_path_two(void) { test_checkout_fails("refs/heads/dot_path_two", "foo/."); } /* A tree that contains a blob with the rogue name "foo/../foobar" */ void test_checkout_nasty__dotdot_path(void) { test_checkout_fails("refs/heads/dotdot_path", "foobar"); } /* A tree that contains an entry with a backslash ".git\foobar" */ void test_checkout_nasty__dotgit_backslash_path(void) { #ifdef GIT_WIN32 test_checkout_fails("refs/heads/dotgit_backslash_path", ".git/foobar"); #endif } /* A tree that contains an entry with a backslash ".GIT\foobar" */ void test_checkout_nasty__dotcapitalgit_backslash_path(void) { #ifdef GIT_WIN32 test_checkout_fails("refs/heads/dotcapitalgit_backslash_path", ".GIT/foobar"); #endif } /* A tree that contains an entry with a backslash ".\.GIT\foobar" */ void test_checkout_nasty__dot_backslash_dotcapitalgit_path(void) { #ifdef GIT_WIN32 test_checkout_fails("refs/heads/dot_backslash_dotcapitalgit_path", ".GIT/foobar"); #endif } /* A tree that contains an entry ".git.", because Win32 APIs will drop the * trailing slash. */ void test_checkout_nasty__dot_git_dot(void) { #ifdef GIT_WIN32 test_checkout_fails("refs/heads/dot_git_dot", ".git/foobar"); #endif } /* A tree that contains an entry "git~1", because that is typically the * short name for ".git". */ void test_checkout_nasty__git_tilde1(void) { #ifdef GIT_WIN32 test_checkout_fails("refs/heads/git_tilde1", ".git/foobar"); #endif } /* A tree that contains an entry "git~2", when we have forced the short * name for ".git" into "GIT~2". */ void test_checkout_nasty__git_custom_shortname(void) { #ifdef GIT_WIN32 if (!cl_sandbox_supports_8dot3()) clar__skip(); cl_must_pass(p_rename("nasty/.git", "nasty/_temp")); cl_git_write2file("nasty/git~1", "", 0, O_RDWR|O_CREAT, 0666); cl_must_pass(p_rename("nasty/_temp", "nasty/.git")); test_checkout_fails("refs/heads/git_tilde2", ".git/foobar"); #endif } /* A tree that contains an entry "git~3", which should be allowed, since * it is not the typical short name ("GIT~1") or the actual short name * ("GIT~2") for ".git". */ void test_checkout_nasty__only_looks_like_a_git_shortname(void) { #ifdef GIT_WIN32 git_oid commit_id; git_commit *commit; git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT; cl_must_pass(p_rename("nasty/.git", "nasty/_temp")); cl_git_write2file("nasty/git~1", "", 0, O_RDWR|O_CREAT, 0666); cl_must_pass(p_rename("nasty/_temp", "nasty/.git")); cl_git_pass(git_reference_name_to_id(&commit_id, repo, "refs/heads/git_tilde3")); cl_git_pass(git_commit_lookup(&commit, repo, &commit_id)); opts.checkout_strategy = GIT_CHECKOUT_FORCE; cl_git_pass(git_checkout_tree(repo, (const git_object *)commit, &opts)); cl_assert(git_path_exists("nasty/git~3/foobar")); git_commit_free(commit); #endif } /* A tree that contains an entry "git:", because Win32 APIs will reject * that as looking too similar to a drive letter. */ void test_checkout_nasty__dot_git_colon(void) { #ifdef GIT_WIN32 test_checkout_fails("refs/heads/dot_git_colon", ".git/foobar"); #endif } /* A tree that contains an entry "git:foo", because Win32 APIs will turn * that into ".git". */ void test_checkout_nasty__dot_git_colon_stuff(void) { #ifdef GIT_WIN32 test_checkout_fails("refs/heads/dot_git_colon_stuff", ".git/foobar"); #endif } /* Trees that contains entries with a tree ".git" that contain * byte sequences: * { 0xe2, 0x80, 0x8c } * { 0xe2, 0x80, 0x8d } * { 0xe2, 0x80, 0x8e } * { 0xe2, 0x80, 0x8f } * { 0xe2, 0x80, 0xaa } * { 0xe2, 0x80, 0xab } * { 0xe2, 0x80, 0xac } * { 0xe2, 0x80, 0xad } * { 0xe2, 0x81, 0xae } * { 0xe2, 0x81, 0xaa } * { 0xe2, 0x81, 0xab } * { 0xe2, 0x81, 0xac } * { 0xe2, 0x81, 0xad } * { 0xe2, 0x81, 0xae } * { 0xe2, 0x81, 0xaf } * { 0xef, 0xbb, 0xbf } * Because these map to characters that HFS filesystems "ignore". Thus * ".git<U+200C>" will map to ".git". */ void test_checkout_nasty__dot_git_hfs_ignorable(void) { #ifdef __APPLE__ test_checkout_fails("refs/heads/dotgit_hfs_ignorable_1", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_2", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_3", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_4", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_5", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_6", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_7", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_8", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_9", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_10", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_11", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_12", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_13", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_14", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_15", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_16", ".git/foobar"); #endif } void test_checkout_nasty__honors_core_protecthfs(void) { cl_repo_set_bool(repo, "core.protectHFS", true); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_1", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_2", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_3", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_4", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_5", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_6", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_7", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_8", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_9", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_10", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_11", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_12", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_13", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_14", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_15", ".git/foobar"); test_checkout_fails("refs/heads/dotgit_hfs_ignorable_16", ".git/foobar"); } void test_checkout_nasty__honors_core_protectntfs(void) { cl_repo_set_bool(repo, "core.protectNTFS", true); test_checkout_fails("refs/heads/dotgit_backslash_path", ".git/foobar"); test_checkout_fails("refs/heads/dotcapitalgit_backslash_path", ".GIT/foobar"); test_checkout_fails("refs/heads/dot_git_dot", ".git/foobar"); test_checkout_fails("refs/heads/git_tilde1", ".git/foobar"); } void test_checkout_nasty__symlink1(void) { test_checkout_passes("refs/heads/symlink1", ".git/foobar"); } void test_checkout_nasty__symlink2(void) { test_checkout_passes("refs/heads/symlink2", ".git/foobar"); } void test_checkout_nasty__symlink3(void) { test_checkout_passes("refs/heads/symlink3", ".git/foobar"); } void test_checkout_nasty__gitmodules_symlink(void) { cl_repo_set_bool(repo, "core.protectHFS", true); test_checkout_fails("refs/heads/gitmodules-symlink", ".gitmodules"); cl_repo_set_bool(repo, "core.protectHFS", false); cl_repo_set_bool(repo, "core.protectNTFS", true); test_checkout_fails("refs/heads/gitmodules-symlink", ".gitmodules"); cl_repo_set_bool(repo, "core.protectNTFS", false); test_checkout_fails("refs/heads/gitmodules-symlink", ".gitmodules"); }