Annotation of src/sys/miscfs/procfs/procfs_status.c, Revision 1.25.2.1
1.25.2.1! yamt 1: /* $NetBSD: procfs_status.c,v 1.25 2005/05/29 21:55:34 christos Exp $ */
1.9 cgd 2:
1.1 cgd 3: /*
1.6 mycroft 4: * Copyright (c) 1993
5: * The Regents of the University of California. All rights reserved.
1.1 cgd 6: *
7: * This code is derived from software contributed to Berkeley by
8: * Jan-Simon Pendry.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
1.22 agc 18: * 3. Neither the name of the University nor the names of its contributors
19: * may be used to endorse or promote products derived from this software
20: * without specific prior written permission.
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32: * SUCH DAMAGE.
33: *
34: * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
35: */
36:
37: /*
38: * Copyright (c) 1993 Jan-Simon Pendry
39: *
40: * This code is derived from software contributed to Berkeley by
41: * Jan-Simon Pendry.
42: *
43: * Redistribution and use in source and binary forms, with or without
44: * modification, are permitted provided that the following conditions
45: * are met:
46: * 1. Redistributions of source code must retain the above copyright
47: * notice, this list of conditions and the following disclaimer.
48: * 2. Redistributions in binary form must reproduce the above copyright
49: * notice, this list of conditions and the following disclaimer in the
50: * documentation and/or other materials provided with the distribution.
1.1 cgd 51: * 3. All advertising materials mentioning features or use of this software
52: * must display the following acknowledgement:
53: * This product includes software developed by the University of
54: * California, Berkeley and its contributors.
55: * 4. Neither the name of the University nor the names of its contributors
56: * may be used to endorse or promote products derived from this software
57: * without specific prior written permission.
58: *
59: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
60: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
61: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
62: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
63: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
64: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
65: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
66: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
67: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
68: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
69: * SUCH DAMAGE.
70: *
1.9 cgd 71: * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94
1.1 cgd 72: */
1.17 lukem 73:
74: #include <sys/cdefs.h>
1.25.2.1! yamt 75: __KERNEL_RCSID(0, "$NetBSD: procfs_status.c,v 1.25 2005/05/29 21:55:34 christos Exp $");
1.1 cgd 76:
77: #include <sys/param.h>
78: #include <sys/systm.h>
79: #include <sys/time.h>
80: #include <sys/kernel.h>
81: #include <sys/proc.h>
82: #include <sys/vnode.h>
83: #include <sys/ioctl.h>
84: #include <sys/tty.h>
85: #include <sys/resource.h>
86: #include <sys/resourcevar.h>
1.25.2.1! yamt 87: #include <sys/kauth.h>
! 88:
1.1 cgd 89: #include <miscfs/procfs/procfs.h>
90:
1.6 mycroft 91: int
1.25.2.1! yamt 92: procfs_dostatus(curl, l, pfs, uio)
! 93: struct lwp *curl;
1.19 thorpej 94: struct lwp *l;
1.1 cgd 95: struct pfsnode *pfs;
96: struct uio *uio;
97: {
98: struct session *sess;
99: struct tty *tp;
1.25.2.1! yamt 100: kauth_cred_t cr;
1.19 thorpej 101: struct proc *p = l->l_proc;
1.1 cgd 102: char *ps;
1.25 christos 103: const char *sep;
1.1 cgd 104: int pid, ppid, pgid, sid;
1.18 thorpej 105: u_int i;
1.16 david 106: char psbuf[256+MAXHOSTNAMELEN]; /* XXX - conservative */
1.25.2.1! yamt 107: uint16_t ngroups;
1.1 cgd 108:
109: if (uio->uio_rw != UIO_READ)
110: return (EOPNOTSUPP);
111:
112: pid = p->p_pid;
113: ppid = p->p_pptr ? p->p_pptr->p_pid : 0,
114: pgid = p->p_pgrp->pg_id;
115: sess = p->p_pgrp->pg_session;
1.14 thorpej 116: sid = sess->s_sid;
1.1 cgd 117:
1.10 jtc 118: /* comm pid ppid pgid sid maj,min ctty,sldr start ut st wmsg uid gid groups ... */
1.1 cgd 119:
120: ps = psbuf;
1.15 perry 121: memcpy(ps, p->p_comm, MAXCOMLEN);
1.1 cgd 122: ps[MAXCOMLEN] = '\0';
123: ps += strlen(ps);
1.23 itojun 124: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %d %d %d %d ",
125: pid, ppid, pgid, sid);
1.1 cgd 126:
1.4 cgd 127: if ((p->p_flag&P_CONTROLT) && (tp = sess->s_ttyp))
1.23 itojun 128: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%d,%d ",
129: major(tp->t_dev), minor(tp->t_dev));
1.1 cgd 130: else
1.23 itojun 131: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%d,%d ",
132: -1, -1);
1.1 cgd 133:
134: sep = "";
135: if (sess->s_ttyvp) {
1.23 itojun 136: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%sctty", sep);
1.1 cgd 137: sep = ",";
138: }
139: if (SESS_LEADER(p)) {
1.23 itojun 140: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "%ssldr", sep);
1.1 cgd 141: sep = ",";
142: }
143: if (*sep != ',')
1.23 itojun 144: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "noflags");
1.1 cgd 145:
1.19 thorpej 146: if (l->l_flag & L_INMEM)
1.23 itojun 147: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %ld,%ld",
148: p->p_stats->p_start.tv_sec, p->p_stats->p_start.tv_usec);
1.1 cgd 149: else
1.23 itojun 150: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " -1,-1");
1.24 perry 151:
1.5 cgd 152: {
153: struct timeval ut, st;
154:
155: calcru(p, &ut, &st, (void *) 0);
1.23 itojun 156: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf),
157: " %ld,%ld %ld,%ld", ut.tv_sec, ut.tv_usec, st.tv_sec,
158: st.tv_usec);
1.5 cgd 159: }
1.1 cgd 160:
1.23 itojun 161: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %s",
1.19 thorpej 162: (l->l_wchan && l->l_wmesg) ? l->l_wmesg : "nochan");
1.1 cgd 163:
1.25.2.1! yamt 164: cr = p->p_cred;
1.1 cgd 165:
1.25.2.1! yamt 166: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %d",
! 167: kauth_cred_geteuid(cr));
! 168: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), " %d",
! 169: kauth_cred_getegid(cr));
! 170: ngroups = kauth_cred_ngroups(cr);
! 171: for (i = 0; i < ngroups; i++)
1.23 itojun 172: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), ",%d",
1.25.2.1! yamt 173: kauth_cred_group(cr, i));
1.23 itojun 174: ps += snprintf(ps, sizeof(psbuf) - (ps - psbuf), "\n");
1.1 cgd 175:
1.23 itojun 176: return (uiomove_frombuf(psbuf, ps - psbuf, uio));
1.1 cgd 177: }
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