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Hack for buffer overflow, should be fixed properly.

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This commit is contained in:
Philip Homburg 2005-06-08 11:05:27 +00:00
parent c2cd510adf
commit d9b609c70f
1 changed files with 4 additions and 1 deletions
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5
commands/ash/expand.c
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@ -672,7 +672,10 @@ expandmeta(str)
savelastp = exparg.lastp; savelastp = exparg.lastp;
INTOFF; INTOFF;
if (expdir == NULL) if (expdir == NULL)
expdir = ckmalloc(1024); /* I hope this is big enough */ {
int i = strlen(str->text);
expdir = ckmalloc(i < 2048 ? 2048 : i); /* XXX */
}
expmeta(expdir, str->text); expmeta(expdir, str->text);
ckfree(expdir); ckfree(expdir);
expdir = NULL; expdir = NULL;