diff options
Diffstat (limited to '')
| -rw-r--r-- | man2/setfsuid.2 | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/man2/setfsuid.2 b/man2/setfsuid.2 index 56964b0..cd55bc3 100644 --- a/man2/setfsuid.2 +++ b/man2/setfsuid.2 @@ -9,7 +9,7 @@ .\" Modified, 27 May 2004, Michael Kerrisk <mtk.manpages@gmail.com> .\" Added notes on capability requirements .\" -.TH setfsuid 2 2023-03-30 "Linux man-pages 6.05.01" +.TH setfsuid 2 2023-10-31 "Linux man-pages 6.7" .SH NAME setfsuid \- set user identity used for filesystem checks .SH LIBRARY @@ -18,7 +18,7 @@ Standard C library .SH SYNOPSIS .nf .B #include <sys/fsuid.h> -.PP +.P .BI "[[deprecated]] int setfsuid(uid_t " fsuid ); .fi .SH DESCRIPTION @@ -28,7 +28,7 @@ for permissions checking when accessing filesystem objects, while the effective user ID is used for various other kinds of permissions checks (see .BR credentials (7)). -.PP +.P Normally, the value of the process's filesystem user ID is the same as the value of its effective user ID. This is so, because whenever a process's effective user ID is changed, @@ -39,7 +39,7 @@ from its effective user ID by using .BR setfsuid () to change its filesystem user ID to the value given in .IR fsuid . -.PP +.P Explicit calls to .BR setfsuid () and @@ -50,7 +50,7 @@ corresponding change in the real and effective user and group IDs. A change in the normal user IDs for a program such as the NFS server is (was) a security hole that can expose it to unwanted signals. (However, this issue is historical; see below.) -.PP +.P .BR setfsuid () will succeed only if the caller is the superuser or if .I fsuid @@ -65,7 +65,7 @@ Linux. Linux 1.2. .\" Linux 1.1.44 .\" and in libc since libc 4.7.6. -.PP +.P At the time when this system call was introduced, one process could send a signal to another process with the same effective user ID. This meant that if a privileged process changed its effective user ID @@ -84,7 +84,7 @@ Thus, is nowadays unneeded and should be avoided in new applications (likewise for .BR setfsgid (2)). -.PP +.P The original Linux .BR setfsuid () system call supported only 16-bit user IDs. |