Hi,
When run "chmod 0444 <file>" under pseudo, it would always adds
write permission for real file (and w + x for dir), which means that
it runs as "chmod 0644 <file>". It does this on real file, not record
this on pseudo's database. Here are the code from pseudo:
/* Root can read and write files, and enter directories which have no
* read, write, or execute permissions. (But can't execute files without
* execute permissions!)
*
* A non-root user can't.
*
* When doing anything which actually writes to the filesystem, we add in
* the user read/write/execute bits. When storing to the database, though,
* we mask out any such bits which weren't in the original mode.
*/
#define PSEUDO_FS_MODE(mode, isdir) (((mode) | S_IRUSR | S_IWUSR | ((isdir) ?
S_IXUSR : 0)) & ~(S_IWGRP | S_IWOTH))
#define PSEUDO_DB_MODE(fs_mode, user_mode) (((fs_mode) & ~0722) | ((user_mode &
0722)))
It has a side effect for -dbg pkgs if the source files foo.c's mode is 0444:
1) bitbake foo
2) Edit rpm-native
3) bitbake foo
After the first bitake foo, we will see that foo.c in foo-dbg is 0444, but
after the second bitbake foo, foo.c in foo-dbg will be 0644, because the first
build has changed src file foo.c's mode to 0644, this is incorrect.
I have two suggestions on it:
1) Don't add more permissions when chmod(e.g., don't change 0444 -> 0644),
The user can add it clearly if a file/dir really needs that.
2) This mainly affects do_package task AFAIK, the code is:
if not cpath.islink(file):
os.link(file, fpath)
fstat = cpath.stat(file)
os.chmod(fpath, fstat.st_mode)
os.chown(fpath, fstat.st_uid, fstat.st_gid)
Another solution is checking mode before run chmod, if we really need
run chmod, then copy the file rather than link.
Any suggestion is appreciated.
The following recipes in oe-core have this issue:
blktool
coreutils
e2fsprogs
gnutls
guile
gzip
less
lsof
mtools
opensp
parted
screen
tcp-wrappers
--
Thanks
Robert
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