>Sumanth Naropanth wrote: >[CC:'ing shell-discuss at opensolaris.org (please make sure to keep this >list in the CC:)] >> Jeffrey Hutzelman wrote on 10/31/08 14:29: >[snip] >> Because it's not implemented in the system(3C) function itself. >> >> It doesn't happen as a rule, but happens in most use cases of system(3C) >> inside setuid programs because Bourne shell resets the uid to the real >> uid of the process when the effective uid is less than 100. > >Is this a standard behaviour (e.g. defined by the POSIX standard) or a >plain Bourne shell feature ?
"It came from New Jersey". It's not from POSIX. When you build in, e.g., the XPG4 environment, you get ksh and it doesn't reset the uid. Casper
