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| Commit | Line | Data |
|---|---|---|
| 1d70186a KM |
1 | .\" Copyright (c) 1983 Regents of the University of California. |
| 2 | .\" All rights reserved. The Berkeley software License Agreement | |
| 3 | .\" specifies the terms and conditions for redistribution. | |
| 4 | .\" | |
| 80d6e3f5 | 5 | .\" @(#)setuid.2 6.3 (Berkeley) %G% |
| 1d70186a | 6 | .\" |
| 2b413789 | 7 | .TH SETUID 3 "" |
| 1d70186a KM |
8 | .UC 5 |
| 9 | .SH NAME | |
| 10 | setuid, seteuid, setruid, setgid, setegid, setrgid \- set user and group ID | |
| 11 | .SH SYNOPSIS | |
| 12 | .nf | |
| f8eedcbc KM |
13 | .ft B |
| 14 | #include <sys/types.h> | |
| 1d70186a | 15 | .PP |
| f8eedcbc KM |
16 | .ft B |
| 17 | .nf | |
| 18 | setuid(uid) | |
| 19 | seteuid(euid) | |
| 20 | setruid(ruid) | |
| 21 | uid_t uid, euid, ruid; | |
| 22 | .PP | |
| 23 | .ft B | |
| 24 | .nf | |
| 25 | setgid(gid) | |
| 26 | setegid(egid) | |
| 27 | setrgid(rgid) | |
| 28 | gid_t gid, egid, rgid; | |
| 1d70186a KM |
29 | .fi |
| 30 | .SH DESCRIPTION | |
| 31 | .I Setuid | |
| 32 | .RI ( setgid ) | |
| 33 | sets both the real and effective | |
| 34 | user ID (group ID) of the current process to | |
| 35 | as specified. | |
| 36 | .PP | |
| 37 | .I Seteuid | |
| 38 | .RI ( setegid ) | |
| 39 | sets the effective user ID (group ID) of the | |
| 40 | current process. | |
| 41 | .PP | |
| 42 | .I Setruid | |
| 80d6e3f5 | 43 | .RI ( setrgid ) |
| 1d70186a KM |
44 | sets the real user ID (group ID) of the |
| 45 | current process. | |
| 46 | .PP | |
| 47 | These calls are only permitted to the super-user | |
| 48 | or if the argument is the real or effective ID. | |
| 49 | .SH "SEE ALSO" | |
| 50 | setreuid(2), setregid(2), getuid(2), getgid(2) | |
| 51 | .SH DIAGNOSTICS | |
| 52 | Zero is returned if the user (group) ID is set; | |
| 53 | \-1 is returned otherwise. |