Sidebar to the getent group: LD_PRELOAD

[Steve Langasek]

On Fri, Feb 15, 2002 at 08:50:42AM -0500, David Collier-Brown wrote:
> > #strace getent group
> > execve("/usr/bin/getent", ["getent", "group"], [/* 24 vars */]) = 0
> > uname({sys="Linux", node="rht-as", ...}) = 0
> > brk(0)                                  = 0x804c728
> > old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
> > open("/etc/ld.so.preload", O_RDONLY)    = -1 ENOENT (No such file or directory)

> 	Interesting!  glibc2 really does have a preload
> 	mechanism, it's just not run from an LD_PRELOAD=
> 	environment variable...  This isn't usefull to
> 	us, but it might be to Andrew...

> 	Previously, smbsh ran on Linux too, but the
> 	glibc2 team removed the (required!) LD_PRELOAD
> 	functionality. 

LD_PRELOAD is still available in glibc2; it's only the shadowed symbols 
needed by smbsh that have been removed.

Steve Langasek
postmodern programmer
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 232 bytes
Desc: not available
Url : http://lists.samba.org/archive/samba-technical/attachments/20020215/4f46ca75/attachment.bin