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Fixed bug#12403662 (formerly known as bug#60987): LOAD DATA LOCAL INFILE

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can't parse relative paths "higher" than 3 levels up

When trying to LOAD DATA LOCAL INFILE using a relative path with 3 or
more levels up in the directory hierarchy, mysqld wrongly parses 
the path and as a consequence, can't find the file.

This bug was introduced by patch for bug#58205.
The reason for bug is that implementaiton of function cleanup_dirname()
doesn't take into account the begin of buffer being processed during
handling of path to file.


mysys/mf_pack.c:
  function cleanup_dirname() was modified: fixed wrong comparison
  condition when handling substring "../" at the begining of the buffer.
This commit is contained in:
Dmitry Shulga 2011-06-15 16:18:08 +07:00
parent d5d2c4fa74
commit 44ed935b21
1 changed files with 1 additions and 1 deletions
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mysys/mf_pack.c
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@ -193,7 +193,7 @@ size_t cleanup_dirname(register char *to, const char *from)
while (pos >= start && *pos != FN_LIBCHAR) /* remove prev dir */
pos--;
if (pos[1] == FN_HOMELIB ||
(pos > start && memcmp(pos, parent, length) == 0))
(pos >= start && memcmp(pos, parent, length) == 0))
{ /* Don't remove ~user/ */
pos=strmov(end_parentdir+1,parent);
*pos=FN_LIBCHAR;