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authorLars Hjemli <hjemli@gmail.com>2006-12-12 10:16:41 +0100
committerLars Hjemli <hjemli@gmail.com>2006-12-12 10:16:41 +0100
commit58d04f6523b0029281d65f841859fa42d0c744ff (patch)
treeed52e95047ccbb99152f7d3f009e57687e6452f1 /ui-shared.c
parentDon't truncate valid cachefiles (diff)
downloadcgit-pink-58d04f6523b0029281d65f841859fa42d0c744ff.tar.gz
cgit-pink-58d04f6523b0029281d65f841859fa42d0c744ff.zip
cache_lock: do xstrdup/free on lockfile
Since fmt() uses 8 alternating static buffers, and cache_lock might call
cache_create_dirs() multiple times, which in turn might call fmt() twice,
after four iterations lockfile would be overwritten by a cachedirectory
path.

In worst case, this could cause the cachedirectory to be unlinked and replaced
by a cachefile.

Fix: use xstrdup() on the result from fmt() before assigning to lockfile, and
call free(lockfile) before exit.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
Diffstat (limited to 'ui-shared.c')
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