summaryrefslogtreecommitdiff
path: root/lib/common/filename_sane.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/common/filename_sane.c')
-rw-r--r--lib/common/filename_sane.c77
1 files changed, 0 insertions, 77 deletions
diff --git a/lib/common/filename_sane.c b/lib/common/filename_sane.c
deleted file mode 100644
index 56f1127..0000000
--- a/lib/common/filename_sane.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* SPDX-License-Identifier: GPL-3.0-or-later */
-/*
- * filename_sane.c
- *
- * Copyright (C) 2019 David Oberhollenzer <goliath@infraroot.at>
- */
-#include "common.h"
-
-#include <string.h>
-
-#ifdef _WIN32
-#ifdef _MSC_VER
-#define strncasecmp _strnicmp
-#define strcasecmp _stricmp
-#endif
-
-static const char *bad_names[] = {
- "CON", "PRN", "AUX", "NUL",
- "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9",
- "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9",
-};
-
-static bool is_allowed_by_os(const char *name)
-{
- size_t len, i;
-
- for (i = 0; i < sizeof(bad_names) / sizeof(bad_names[0]); ++i) {
- len = strlen(bad_names[i]);
-
- if (strncasecmp(name, bad_names[i], len) != 0)
- continue;
-
- if (name[len] == '\0')
- return false;
-
- if (name[len] == '.' && strchr(name + len + 1, '.') == NULL)
- return false;
- }
-
- return true;
-}
-#else
-static bool is_allowed_by_os(const char *name)
-{
- (void)name;
- return true;
-}
-#endif
-
-bool is_filename_sane(const char *name, bool check_os_specific)
-{
- if (strcmp(name, ".") == 0 || strcmp(name, "..") == 0)
- return false;
-
- if (check_os_specific && !is_allowed_by_os(name))
- return false;
-
- while (*name != '\0') {
- if (*name == '/' || *name == '\\')
- return false;
-
-#ifdef _WIN32
- if (check_os_specific) {
- if (*name == '<' || *name == '>' || *name == ':')
- return false;
- if (*name == '"' || *name == '|' || *name == '?')
- return false;
- if (*name == '*' || *name <= 31)
- return false;
- }
-#endif
-
- ++name;
- }
-
- return true;
-}