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| author | piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2009-09-23 00:04:54 +0800 |
|---|---|---|
| committer | piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2009-09-23 00:04:54 +0800 |
| commit | 59382a53ad9a87fcff1911be65d68e97099bbd90 (patch) | |
| tree | 5c14e8a909885e50a01a821b4eb1e5eadd5a3fa0 | |
| parent | 6a96546a014efc705aebcc1fc6ca23448df23d26 (diff) | |
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* fix DBCS detection: DEL is 0x7f not 0x1f
git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@4880 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
| -rw-r--r-- | mbbsd/telnet.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/mbbsd/telnet.c b/mbbsd/telnet.c index 933f9f3c..22ad6234 100644 --- a/mbbsd/telnet.c +++ b/mbbsd/telnet.c @@ -53,11 +53,18 @@ dbcs_detect_evil_repeats(unsigned char *buf, ssize_t l) // XXX l=2 is dangerous. hope we are not in telnet IAC state... // BS: \b // BS2: \x7f + // DEL2: Ctrl('D') (KKMan3 also treats Ctrl('D') as DBCS DEL) if (buf[0] != buf[1]) return l; + // Note: BS/DEL behavior on different clients: + // screen/telnet:BS=0x7F, DEL=^[3~ + // PCMan2004: BS=0x7F, DEL=^[3~ + // KKMan3: BS=0x1b, DEL=0x7F + // WinXP telnet: BS=0x1b, DEL=0x7F if (buf[0] == '\b' || - buf[0] == '\x1f') + buf[0] == '\x7f' || + buf[0] == Ctrl('D')) return l-1; } else if (l == 6) |