Re: Dir creation from installer tool is always locked
Re: Dir creation from installer tool is always locked
- Subject: Re: Dir creation from installer tool is always locked
- From: Mike <email@hidden>
- Date: Fri, 18 Apr 2008 15:46:12 -0700
Stéphane Sudre wrote:
On Apr 19, 2008, at 12:09 AM, Mike wrote:
No matter what I do, and no matter what permissions I give to
subpackages in my metapackage, when I have my postinstall script run a
CoreFoundation tool that I bundle in my installer, any directories
created by my tool at postinstall time are created with 'system' as
being the owner, and hence such directories are locked. How do I
create a directory from within a postinstall tool that is unlocked?
I had assumed that since the package was running with root permissions
and since the installer has authorization, the directory would be
created with unlocked permissions. Attempting to set the owner or
group or permissions on any created dirs after they are created also
fails.
Stupid questions of the day:
- Which API and methods do you use to create your directory?
- Which API and methods do you use to to change the owner, group or
permissions?
I tried both the NSFileManager methods and Carbon methods such as
FSCreateDirectoryUnicode and -fileAttributesAtPath:traverseLink: and
-changeFileAttributes:atPath. Those all fail apparently because the tool
I launch is running with the wrong owner or permissions.
I was finally able to get it to work from the postinstall script itself:
USER="$HOME"
LIBRARY_RECEIPTS_DIR="/Library/Receipts/"
USER_LIBRARY_RECEIPTS_DIR="${USER}${LIBRARY_RECEIPTS_DIR}"
mkdir -m 777 "${USER_LIBRARY_RECEIPTS_DIR}"
I was unaware of the -m option for mkdir. For some reason postinstall
runs with adequate permissions, but any sub-binaries it launches don't.
Argh.
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