diff options
| -rw-r--r-- | builtin-update-index.c | 5 | ||||
| -rwxr-xr-x | t/t0055-beyond-symlinks.sh | 20 |
2 files changed, 24 insertions, 1 deletions
diff --git a/builtin-update-index.c b/builtin-update-index.c index 38eb53ccba..434cb8e4a0 100644 --- a/builtin-update-index.c +++ b/builtin-update-index.c @@ -194,6 +194,10 @@ static int process_path(const char *path) int len; struct stat st; + len = strlen(path); + if (has_symlink_leading_path(len, path)) + return error("'%s' is beyond a symbolic link", path); + /* * First things first: get the stat information, to decide * what to do about the pathname! @@ -201,7 +205,6 @@ static int process_path(const char *path) if (lstat(path, &st) < 0) return process_lstat_error(path, errno); - len = strlen(path); if (S_ISDIR(st.st_mode)) return process_directory(path, len, &st); diff --git a/t/t0055-beyond-symlinks.sh b/t/t0055-beyond-symlinks.sh new file mode 100755 index 0000000000..eb11dd7821 --- /dev/null +++ b/t/t0055-beyond-symlinks.sh @@ -0,0 +1,20 @@ +#!/bin/sh + +test_description='update-index refuses to add beyond symlinks' + +. ./test-lib.sh + +test_expect_success setup ' + >a && + mkdir b && + ln -s b c && + >c/d && + git update-index --add a b/d +' + +test_expect_success 'update-index --add beyond symlinks' ' + test_must_fail git update-index --add c/d && + ! ( git ls-files | grep c/d ) +' + +test_done |