xref: /freebsd/usr.bin/procstat/procstat_penv.c (revision fe6060f10f634930ff71b7c50291ddc610da2475)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2020 Juraj Lutter <juraj@lutter.sk>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31 
32 #include <sys/param.h>
33 #include <sys/sysctl.h>
34 #include <sys/user.h>
35 
36 #include <err.h>
37 #include <errno.h>
38 #include <libprocstat.h>
39 #include <limits.h>
40 #include <stdio.h>
41 #include <stdlib.h>
42 #include <string.h>
43 
44 #include "procstat.h"
45 
46 void
47 procstat_pargs(struct procstat *procstat, struct kinfo_proc *kipp)
48 {
49 	int i;
50 	char **args;
51 
52 	args = procstat_getargv(procstat, kipp, 0);
53 
54 	xo_emit("{k:process_id/%d}:  {:command/%s/%s}\n", kipp->ki_pid,
55 	    kipp->ki_comm);
56 
57 	if (args == NULL) {
58 		xo_emit("{d:args/-}\n");
59 	} else {
60 		for (i = 0; args[i] != NULL; i++) {
61 			xo_emit("{Ld:argv[}{Ld:/%d}{Ldwc:]}{l:argv/%s}\n",
62 			    i, args[i]);
63 		}
64 	}
65 }
66 
67 void
68 procstat_penv(struct procstat *procstat, struct kinfo_proc *kipp)
69 {
70 	int i;
71 	char **envs;
72 
73 	envs = procstat_getenvv(procstat, kipp, 0);
74 
75 	xo_emit("{k:process_id/%d}:  {:command/%s/%s}\n", kipp->ki_pid,
76 	    kipp->ki_comm);
77 
78 	if (envs == NULL) {
79 		xo_emit("{d:env/-}\n");
80 	} else {
81 		for (i = 0; envs[i] != NULL; i++) {
82 			xo_emit("{Ld:envp[}{Ld:/%d}{Ldwc:]}{l:envp/%s}\n",
83 			    i, envs[i]);
84 		}
85 	}
86 }
87