the table will be in the next alpha it will be al lot easier to extend when some vendor adds another O_* flag next month thanks
On Wed, 18 Sep 2013 02:47:28 +0200 Roland Mainz wrote: > --20cf3077615321e25104e69dc870 > Content-Type: text/plain; charset=ISO-8859-1 > Hi! > ---- > Attached (as "astksh20130913_pathcanon_more_flags_sizereduction001.diff.txt") > is a small patch which adds a few more flags to /dev/file/flags@ and > reduces the size somewhat... > * Notes: > - |O_@(NOLINKS|NOFOLLOW)| were added per CERN's request to have a way > to avoid link stunts (for example for permission escalation) in system > scripts. Just doing it with [[ ]] flags doesn't work because there is > still a timing gap between test and |open()| which can be exploited by > an user... and the students seem to have a lot of free time to > try&&try&&try... forever... grrr... > - I added |O_SEARCH| to have a way to open a directory fd without > having the read permission (usefull for cd(1)) > - |O_EXEC| was added mostly for completeness and as counterpart for > |O_SEARCH|. No real usage yet (but it's usefull at least for kernel > debugging) ... > - |O_*SYNC| variants for syncronous read/write/etc. should be complete > now (|O_DSYNC|, |O_RSYNC|, |OSYNC|) > - Code size has been reduced from 43616 to 40584 bytes for pathcanon.o > -- snip -- > 1116829 41 -rw-r--r-- 1 test001 users 40584 Sep 18 02:25 > ./build_pathcanon_moreflags/arch/sol11.i386-64/src/lib/libast/pathcanon.o > 1093235 44 -rw-r--r-- 1 test001 users 43616 Sep 14 00:33 > ./build_i386_64bit_debug_normal/arch/sol11.i386-64/src/lib/libast/pathcanon.o > -- snip -- > Glenn: Is the patch OK for you ? > ---- > Bye, > Roland > -- > __ . . __ > (o.\ \/ /.o) [email protected] > \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer > /O /==\ O\ TEL +49 641 3992797 > (;O/ \/ \O;) > --20cf3077615321e25104e69dc870 > Content-Type: text/plain; charset=US-ASCII; > name="astksh20130913_pathcanon_more_flags_sizereduction001.diff.txt" > Content-Disposition: attachment; > 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