diff options
| -rw-r--r-- | source3/lib/charcnv.c | 20 | ||||
| -rw-r--r-- | source3/smbd/reply.c | 4 |
2 files changed, 23 insertions, 1 deletions
diff --git a/source3/lib/charcnv.c b/source3/lib/charcnv.c index 20af806d90..b06d869bcc 100644 --- a/source3/lib/charcnv.c +++ b/source3/lib/charcnv.c @@ -41,6 +41,15 @@ static smb_iconv_t conv_handles[NUM_CHARSETS][NUM_CHARSETS]; static BOOL conv_silent; /* Should we do a debug if the conversion fails ? */ +/* Unsafe unix charsets which could contain '\\' as second byte of mb character */ +static const char *conv_unsafe_charsets[] = { + "CP932", + "EUC-JP", + NULL}; +/* Global variable which is set to True in init_iconv() if unix charset is unsafe + w.r.t. '\\' in second byte of mb character. Otherwise it is set to False. +*/ +BOOL is_unix_charset_unsafe; /** * Return the name of a charset to give to iconv(). @@ -105,6 +114,7 @@ void init_iconv(void) { int c1, c2; BOOL did_reload = False; + const char **unsafe_charset = conv_unsafe_charsets; /* so that charset_name() works we need to get the UNIX<->UCS2 going first */ @@ -146,6 +156,16 @@ void init_iconv(void) init_valid_table(); conv_silent = False; } + + while(*unsafe_charset && strcmp(*unsafe_charset, conv_handles[CH_UCS2][CH_UNIX]->to_name)) { + unsafe_charset++; + } + + if (*unsafe_charset) { + is_unix_charset_unsafe = True; + } else { + is_unix_charset_unsafe = False; + } } /** diff --git a/source3/smbd/reply.c b/source3/smbd/reply.c index bca7a75fbb..48894308d1 100644 --- a/source3/smbd/reply.c +++ b/source3/smbd/reply.c @@ -33,6 +33,7 @@ extern char magic_char; extern BOOL case_sensitive; extern BOOL case_preserve; extern BOOL short_case_preserve; +extern BOOL is_unix_charset_unsafe; extern int global_oplock_break; unsigned int smb_echo_count = 0; @@ -110,7 +111,8 @@ NTSTATUS check_path_syntax(pstring destname, const pstring srcname) } s++; } else { - if ((*s & 0x80) && IS_DIRECTORY_SEP(s[1])) { + /* Activate this codepath only if we know that Unix charset may contain unsafe '\\' */ + if ((is_unix_charset_unsafe == True) && ((*s & 0x80) && IS_DIRECTORY_SEP(s[1]))) { /* * Potential mb char with second char a directory separator. * All the encodings we care about are 2 byte only, so do a |