bin/146331: [PATCH] Grow ps(1) with "gid" and "group" keywords
Jeremie Le Hen
jeremie at le-hen.org
Wed May 5 14:40:05 UTC 2010
>Number: 146331
>Category: bin
>Synopsis: [PATCH] Grow ps(1) with "gid" and "group" keywords
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: change-request
>Submitter-Id: current-users
>Arrival-Date: Wed May 05 14:40:04 UTC 2010
>Closed-Date:
>Last-Modified:
>Originator: Jeremie Le Hen
>Release: FreeBSD 9.0-CURRENT
>Organization:
None
>Environment:
System: FreeBSD felucia.tataz.chchile.org 9.0-CURRENT
>Description:
ps(1) lacks "gid" and "group" keywords to inspect the effective
group ID of processes. This small patch implements this.
I've also added three aliases:
egid -> gid
egroup -> group
euid -> uid
>How-To-Repeat:
>Fix:
--- ps.egid.diff begins here ---
Index: extern.h
===================================================================
RCS file: /mnt/repos/freebsd-cvsroot/src/bin/ps/extern.h,v
retrieving revision 1.40
diff -u -p -u -p -r1.40 extern.h
--- extern.h 17 Mar 2010 22:57:58 -0000 1.40
+++ extern.h 5 May 2010 13:51:43 -0000
@@ -69,11 +69,13 @@ void pmem(KINFO *, VARENT *);
void pri(KINFO *, VARENT *);
void printheader(void);
void priorityr(KINFO *, VARENT *);
+void egroupname(KINFO *, VARENT *);
void rgroupname(KINFO *, VARENT *);
void runame(KINFO *, VARENT *);
void rvar(KINFO *, VARENT *);
int s_comm(KINFO *);
int s_label(KINFO *);
+int s_egroupname(KINFO *);
int s_rgroupname(KINFO *);
int s_runame(KINFO *);
int s_uname(KINFO *);
Index: keyword.c
===================================================================
RCS file: /mnt/repos/freebsd-cvsroot/src/bin/ps/keyword.c,v
retrieving revision 1.82
diff -u -p -u -p -r1.82 keyword.c
--- keyword.c 17 Mar 2010 22:57:58 -0000 1.82
+++ keyword.c 5 May 2010 14:04:21 -0000
@@ -86,12 +86,19 @@ static VAR var[] = {
{"cpu", "CPU", NULL, 0, kvar, NULL, 3, KOFF(ki_estcpu), UINT, "d",
0},
{"cputime", "", "time", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+ {"egid", "", "gid", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+ {"egroup", "", "group", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+ {"euid", "", "uid", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"emul", "EMUL", NULL, LJUST, emulname, NULL, EMULLEN, 0, CHAR,
NULL, 0},
{"etime", "ELAPSED", NULL, USER, elapsed, NULL, 12, 0, CHAR, NULL, 0},
{"etimes", "ELAPSED", NULL, USER, elapseds, NULL, 12, 0, CHAR, NULL, 0},
{"f", "F", NULL, 0, kvar, NULL, 7, KOFF(ki_flag), INT, "x", 0},
{"flags", "", "f", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
+ {"gid", "GID", NULL, 0, kvar, NULL, UIDLEN, KOFF(ki_groups),
+ UINT, UIDFMT, 0},
+ {"group", "GROUP", NULL, LJUST|DSIZ, egroupname, s_egroupname,
+ USERLEN, 0, CHAR, NULL, 0},
{"ignored", "", "sigignore", 0, NULL, NULL, 0, 0, CHAR, NULL, 0},
{"inblk", "INBLK", NULL, USER, rvar, NULL, 4, ROFF(ru_inblock), LONG,
"ld", 0},
Index: print.c
===================================================================
RCS file: /mnt/repos/freebsd-cvsroot/src/bin/ps/print.c,v
retrieving revision 1.101
diff -u -p -u -p -r1.101 print.c
--- print.c 17 Mar 2010 22:57:58 -0000 1.101
+++ print.c 5 May 2010 13:53:24 -0000
@@ -340,6 +340,22 @@ s_uname(KINFO *k)
}
void
+egroupname(KINFO *k, VARENT *ve)
+{
+ VAR *v;
+
+ v = ve->var;
+ (void)printf("%-*s", v->width,
+ group_from_gid(k->ki_p->ki_groups[0], 0));
+}
+
+int
+s_egroupname(KINFO *k)
+{
+ return (strlen(group_from_gid(k->ki_p->ki_groups[0], 0)));
+}
+
+void
rgroupname(KINFO *k, VARENT *ve)
{
VAR *v;
Index: ps.1
===================================================================
RCS file: /mnt/repos/freebsd-cvsroot/src/bin/ps/ps.1,v
retrieving revision 1.95
diff -u -p -u -p -r1.95 ps.1
--- ps.1 13 Apr 2010 08:54:53 -0000 1.95
+++ ps.1 5 May 2010 14:27:17 -0000
@@ -489,6 +489,12 @@ elapsed running time, in decimal integer
.It Cm flags
the process flags, in hexadecimal (alias
.Cm f )
+.It Cm gid
+effective group ID (alias
+.Cm egid )
+.It Cm group
+group name (from egid) (alias
+.Cm egroup )
.It Cm inblk
total blocks read (alias
.Cm inblock )
@@ -612,7 +618,8 @@ process pointer
.It Cm ucomm
name to be used for accounting
.It Cm uid
-effective user ID
+effective user ID (alias
+.Cm euid )
.It Cm upr
scheduling priority on return from system call (alias
.Cm usrpri )
--- ps.egid.diff ends here ---
>Release-Note:
>Audit-Trail:
>Unformatted:
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