If the SHA1 in a reference file is not terminated by a space or
end-of-file, consider it malformed and emit a warning.
Signed-off-by: Michael Haggerty <mhagger@xxxxxxxxxxxx>
---
refs.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/refs.c b/refs.c
index 2387f4e..0baa500 100644
--- a/refs.c
+++ b/refs.c
@@ -593,7 +593,8 @@ const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *
if (flag)
*flag |= REF_ISSYMREF;
}
- if (get_sha1_hex(buffer, sha1)) {
+ /* Please note that FETCH_HEAD has a second line containing other data. */
+ if (get_sha1_hex(buffer, sha1) || (buffer[40] != '\0' && !isspace(buffer[40]))) {
warning("reference in %s is formatted incorrectly", path);
return NULL;
}
--
1.7.6.8.gd2879
--
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