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| author | piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2008-01-05 22:24:15 +0800 |
|---|---|---|
| committer | piaip <piaip@63ad8ddf-47c3-0310-b6dd-a9e9d9715204> | 2008-01-05 22:24:15 +0800 |
| commit | 312ac55f526f388f6154c9861f232659d348aae2 (patch) | |
| tree | cc79a20059db4b61567b2232853efaba11eb9b85 /mbbsd/pfterm.c | |
| parent | 0e2068d6d86ca7a398a99737736aa4456f9f531c (diff) | |
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- fix potential exploits (reported by kcwu)
git-svn-id: http://opensvn.csie.org/pttbbs/trunk/pttbbs@3795 63ad8ddf-47c3-0310-b6dd-a9e9d9715204
Diffstat (limited to 'mbbsd/pfterm.c')
| -rw-r--r-- | mbbsd/pfterm.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mbbsd/pfterm.c b/mbbsd/pfterm.c index 9c988ea2..11a4d66c 100644 --- a/mbbsd/pfterm.c +++ b/mbbsd/pfterm.c @@ -1068,6 +1068,10 @@ outstr(const char *str) void outc(unsigned char c) { + // 0xFF is invalid for most cases (even DBCS), + if (c == 0xFF || c == 0x00) + return; + fterm_markdirty(); if (ft.szcmd) { @@ -1392,6 +1396,8 @@ fterm_exec(void) case 'G': // CHA: CSI n G // Moves the cursor to column n. + if (n < 1) + n = 1; getyx(&y, &x); move(y, n-1); break; |