mir/sudo
2
0
Fork 0
mirror of https://github.com/sudo-project/sudo.git synced 2025-09-01 14:55:12 +00:00
Code Issues Releases Wiki Activity

took out SAVED_UID garbage

Browse Source
This commit is contained in:
Todd C. Miller
1994-02-09 04:06:13 +00:00
parent abf158a3ec
commit c06006ed3e
1 changed files with 4 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
PORTING
View File

@@ -1,22 +1,14 @@
sudo porting hints: sudo porting hints:
Sudo should be fairly easy to port. The most problematic part is how Sudo should be fairly easy to port. The most problematic part is how
set*uid() functions. For systems that support saved uids you should set*uid() functions. If you have no seteuid() but do have setreuid()
define HAS_SAVED_UID if an only if you can do a setuid(0) when only your you can emulate seteuid() with a macro like the following:
saved uid is 0. This way most of sudo is running with the effective #define seteuid(__EUID) (setreuid((uid_t)-1, __EUID))
and real uids set to the uid of the caller. The saved uid of 0 is used
to do a setuid(0) before exec'ing the command.
If saved uids are not supported, only the effective uid is set the the uid
of the caller. If you have saved uids, sudo needs a setreuid() function,
otherwise it uses seteuid(). If you have no setreuid() or seteuid() but do have
setresuid() you can emulate setreuid() with a macro like the one in
sudo.h used for HP-UX.
Another possible pitfall is getdtablesize() which is used to get the maximum Another possible pitfall is getdtablesize() which is used to get the maximum
number of open files the process can have. For systems that have the number of open files the process can have. For systems that have the
Posix(?) sysconf() but no getdtablesize(), use the following macro: Posix(?) sysconf() but no getdtablesize(), use the following macro:
:#define getdtablesize() (sysconf(_SC_OPEN_MAX)) #define getdtablesize() (sysconf(_SC_OPEN_MAX))
If all else fails you can use the value of NOFILE in <sys/param.h>. If all else fails you can use the value of NOFILE in <sys/param.h>.
If you port sudo to a new architecture, please send your changes to If you port sudo to a new architecture, please send your changes to