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Diffstat (limited to 'src/Common/libzip/zip_name_locate.c')
-rw-r--r--src/Common/libzip/zip_name_locate.c82
1 files changed, 53 insertions, 29 deletions
diff --git a/src/Common/libzip/zip_name_locate.c b/src/Common/libzip/zip_name_locate.c
index 37b1ffeb..4248dc2d 100644
--- a/src/Common/libzip/zip_name_locate.c
+++ b/src/Common/libzip/zip_name_locate.c
@@ -1,9 +1,9 @@
/*
zip_name_locate.c -- get index by name
- Copyright (C) 1999-2018 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2022 Dieter Baron and Thomas Klausner
This file is part of libzip, a library to manipulate ZIP archives.
- The authors can be contacted at <libzip@nih.at>
+ The authors can be contacted at <info@libzip.org>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -49,44 +49,68 @@ zip_name_locate(zip_t *za, const char *fname, zip_flags_t flags) {
zip_int64_t
_zip_name_locate(zip_t *za, const char *fname, zip_flags_t flags, zip_error_t *error) {
int (*cmp)(const char *, const char *);
+ size_t fname_length;
+ zip_string_t *str = NULL;
const char *fn, *p;
zip_uint64_t i;
- if (za == NULL)
- return -1;
+ if (za == NULL) {
+ return -1;
+ }
if (fname == NULL) {
- zip_error_set(error, ZIP_ER_INVAL, 0);
- return -1;
+ zip_error_set(error, ZIP_ER_INVAL, 0);
+ return -1;
}
- if (flags & (ZIP_FL_NOCASE | ZIP_FL_NODIR | ZIP_FL_ENC_CP437)) {
- /* can't use hash table */
- cmp = (flags & ZIP_FL_NOCASE) ? strcasecmp : strcmp;
-
- for (i = 0; i < za->nentry; i++) {
- fn = _zip_get_name(za, i, flags, error);
-
- /* newly added (partially filled) entry or error */
- if (fn == NULL)
- continue;
+ fname_length = strlen(fname);
- if (flags & ZIP_FL_NODIR) {
- p = strrchr(fn, '/');
- if (p)
- fn = p + 1;
- }
+ if (fname_length > ZIP_UINT16_MAX) {
+ zip_error_set(error, ZIP_ER_INVAL, 0);
+ return -1;
+ }
- if (cmp(fname, fn) == 0) {
- _zip_error_clear(error);
- return (zip_int64_t)i;
- }
- }
+ if ((flags & (ZIP_FL_ENC_UTF_8 | ZIP_FL_ENC_RAW)) == 0 && fname[0] != '\0') {
+ if ((str = _zip_string_new((const zip_uint8_t *)fname, (zip_uint16_t)strlen(fname), flags, error)) == NULL) {
+ return -1;
+ }
+ if ((fname = (const char *)_zip_string_get(str, NULL, 0, error)) == NULL) {
+ _zip_string_free(str);
+ return -1;
+ }
+ }
- zip_error_set(error, ZIP_ER_NOENT, 0);
- return -1;
+ if (flags & (ZIP_FL_NOCASE | ZIP_FL_NODIR | ZIP_FL_ENC_RAW | ZIP_FL_ENC_STRICT)) {
+ /* can't use hash table */
+ cmp = (flags & ZIP_FL_NOCASE) ? strcasecmp : strcmp;
+
+ for (i = 0; i < za->nentry; i++) {
+ fn = _zip_get_name(za, i, flags, error);
+
+ /* newly added (partially filled) entry or error */
+ if (fn == NULL)
+ continue;
+
+ if (flags & ZIP_FL_NODIR) {
+ p = strrchr(fn, '/');
+ if (p)
+ fn = p + 1;
+ }
+
+ if (cmp(fname, fn) == 0) {
+ _zip_error_clear(error);
+ _zip_string_free(str);
+ return (zip_int64_t)i;
+ }
+ }
+
+ zip_error_set(error, ZIP_ER_NOENT, 0);
+ _zip_string_free(str);
+ return -1;
}
else {
- return _zip_hash_lookup(za->names, (const zip_uint8_t *)fname, flags, error);
+ zip_int64_t ret = _zip_hash_lookup(za->names, (const zip_uint8_t *)fname, flags, error);
+ _zip_string_free(str);
+ return ret;
}
}