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author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-12-18 16:35:19 +0100 |
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committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-12-18 16:48:03 +0100 |
commit | 6f96c4d2651ed59975354433267319d527490537 (patch) | |
tree | 8ba1e1d90146ab943725c42d1e24c708a1f93328 /lib/common/filename_sane.c | |
parent | 2262af9f82d8a07751acea042844906649053a9f (diff) |
Move is_filename_sane to libfstree, add test cases
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Diffstat (limited to 'lib/common/filename_sane.c')
-rw-r--r-- | lib/common/filename_sane.c | 77 |
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; -} |