diff options
Diffstat (limited to 'mysys/my_access.c')
| -rw-r--r-- | mysys/my_access.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mysys/my_access.c b/mysys/my_access.c index 68cd01d33e6..91a536d214e 100644 --- a/mysys/my_access.c +++ b/mysys/my_access.c @@ -173,6 +173,11 @@ static my_bool does_drive_exists(char drive_letter) file names with a colon (:) are not allowed because such file names store data in Alternate Data Streams which can be used to hide the data. + Apart from colon, other characters that are not allowed in filenames + on Windows are greater/less sign, double quotes, forward slash, backslash, + pipe and star characters. + + See MSDN documentation on filename restrictions. @param name contains the file name with or without path @param length contains the length of file name @@ -181,6 +186,8 @@ static my_bool does_drive_exists(char drive_letter) @return TRUE if the file name is allowed, FALSE otherwise. */ +#define ILLEGAL_FILENAME_CHARS "<>:\"/\\|?*" + my_bool is_filename_allowed(const char *name __attribute__((unused)), size_t length __attribute__((unused)), my_bool allow_current_dir __attribute__((unused))) @@ -205,6 +212,8 @@ my_bool is_filename_allowed(const char *name __attribute__((unused)), return (allow_current_dir && (ch - name == 1) && does_drive_exists(*name)); } + else if (strchr(ILLEGAL_FILENAME_CHARS, *ch)) + return FALSE; } return TRUE; } /* is_filename_allowed */ |