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merge

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cinap_lenrek 2013-10-03 17:31:55 +02:00
commit 60e3d2782b
1 changed files with 3 additions and 1 deletions
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4
sys/src/cmd/tapefs/tarfs.c
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@ -144,10 +144,12 @@ populate(char *name)
} }
f.mode &= DMDIR | 0777; f.mode &= DMDIR | 0777;
/* make file name safe and canonical */ /* make file name safe, canonical and free of . and .. */
while (fname[0] == '/') /* don't allow absolute paths */ while (fname[0] == '/') /* don't allow absolute paths */
++fname; ++fname;
cleanname(fname); cleanname(fname);
while (strncmp(fname, "../", 3) == 0)
fname += 3;
/* reject links */ /* reject links */
linkflg = hp->linkflag == LF_SYMLINK1 || linkflg = hp->linkflag == LF_SYMLINK1 ||