diff options
Diffstat (limited to 'sys/miscfs/procfs/procfs_status.c')
| -rw-r--r-- | sys/miscfs/procfs/procfs_status.c | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/sys/miscfs/procfs/procfs_status.c b/sys/miscfs/procfs/procfs_status.c deleted file mode 100644 index b29b4a9..0000000 --- a/sys/miscfs/procfs/procfs_status.c +++ /dev/null @@ -1,265 +0,0 @@ -/* - * Copyright (c) 1993 Jan-Simon Pendry - * Copyright (c) 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Jan-Simon Pendry. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)procfs_status.c 8.4 (Berkeley) 6/15/94 - * - * From: - * $FreeBSD$ - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/exec.h> -#include <sys/jail.h> -#include <sys/lock.h> -#include <sys/malloc.h> -#include <sys/mutex.h> -#include <sys/proc.h> -#include <sys/resourcevar.h> -#include <sys/tty.h> -#include <sys/vnode.h> - -#include <vm/vm.h> -#include <vm/pmap.h> -#include <vm/vm_param.h> - -#include <miscfs/procfs/procfs.h> - -#define DOCHECK() do { if (ps >= psbuf+sizeof(psbuf)) goto bailout; } while (0) -int -procfs_dostatus(curp, p, pfs, uio) - struct proc *curp; - struct proc *p; - struct pfsnode *pfs; - struct uio *uio; -{ - struct session *sess; - struct tty *tp; - struct ucred *cr; - char *ps; - char *sep; - int pid, ppid, pgid, sid; - int i; - int xlen; - int error; - char psbuf[256]; /* XXX - conservative */ - - if (uio->uio_rw != UIO_READ) - return (EOPNOTSUPP); - - pid = p->p_pid; - PROC_LOCK(p); - ppid = p->p_pptr ? p->p_pptr->p_pid : 0; - PROC_UNLOCK(p); - pgid = p->p_pgrp->pg_id; - sess = p->p_pgrp->pg_session; - sid = sess->s_leader ? sess->s_leader->p_pid : 0; - -/* comm pid ppid pgid sid maj,min ctty,sldr start ut st wmsg - euid ruid rgid,egid,groups[1 .. NGROUPS] -*/ - KASSERT(sizeof(psbuf) > MAXCOMLEN, - ("Too short buffer for new MAXCOMLEN")); - - ps = psbuf; - bcopy(p->p_comm, ps, MAXCOMLEN); - ps[MAXCOMLEN] = '\0'; - ps += strlen(ps); - DOCHECK(); - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, - " %d %d %d %d ", pid, ppid, pgid, sid); - DOCHECK(); - if ((p->p_flag&P_CONTROLT) && (tp = sess->s_ttyp)) - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, - "%d,%d ", major(tp->t_dev), minor(tp->t_dev)); - else - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, - "%d,%d ", -1, -1); - DOCHECK(); - - sep = ""; - if (sess->s_ttyvp) { - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, "%sctty", sep); - sep = ","; - DOCHECK(); - } - if (SESS_LEADER(p)) { - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, "%ssldr", sep); - sep = ","; - DOCHECK(); - } - if (*sep != ',') { - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, "noflags"); - DOCHECK(); - } - - mtx_lock_spin(&sched_lock); - if (p->p_sflag & PS_INMEM) { - struct timeval ut, st; - - calcru(p, &ut, &st, (struct timeval *) NULL); - mtx_unlock_spin(&sched_lock); - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, - " %ld,%ld %ld,%ld %ld,%ld", - p->p_stats->p_start.tv_sec, - p->p_stats->p_start.tv_usec, - ut.tv_sec, ut.tv_usec, - st.tv_sec, st.tv_usec); - } else { - mtx_unlock_spin(&sched_lock); - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, - " -1,-1 -1,-1 -1,-1"); - } - DOCHECK(); - - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, " %s", - (p->p_wchan && p->p_wmesg) ? p->p_wmesg : "nochan"); - DOCHECK(); - - cr = p->p_ucred; - - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, " %lu %lu %lu", - (u_long)cr->cr_uid, - (u_long)p->p_cred->p_ruid, - (u_long)p->p_cred->p_rgid); - DOCHECK(); - - /* egid (p->p_cred->p_svgid) is equal to cr_ngroups[0] - see also getegid(2) in /sys/kern/kern_prot.c */ - - for (i = 0; i < cr->cr_ngroups; i++) { - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, - ",%lu", (u_long)cr->cr_groups[i]); - DOCHECK(); - } - - if (jailed(p->p_ucred)) - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, - " %s", p->p_ucred->cr_prison->pr_host); - else - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, " -"); - DOCHECK(); - ps += snprintf(ps, psbuf + sizeof(psbuf) - ps, "\n"); - DOCHECK(); - - xlen = ps - psbuf; - xlen -= uio->uio_offset; - ps = psbuf + uio->uio_offset; - xlen = imin(xlen, uio->uio_resid); - if (xlen <= 0) - error = 0; - else - error = uiomove(ps, xlen, uio); - - return (error); - -bailout: - return (ENOMEM); -} - -int -procfs_docmdline(curp, p, pfs, uio) - struct proc *curp; - struct proc *p; - struct pfsnode *pfs; - struct uio *uio; -{ - char *ps; - int xlen; - int error; - char *buf, *bp; - int buflen; - struct ps_strings pstr; - int i; - size_t bytes_left, done; - - if (uio->uio_rw != UIO_READ) - return (EOPNOTSUPP); - - /* - * If we are using the ps/cmdline caching, use that. Otherwise - * revert back to the old way which only implements full cmdline - * for the currept process and just p->p_comm for all other - * processes. - * Note that if the argv is no longer available, we deliberately - * don't fall back on p->p_comm or return an error: the authentic - * Linux behaviour is to return zero-length in this case. - */ - - if (p->p_args && (ps_argsopen || !p_can(curp, p, P_CAN_SEE, NULL))) { - bp = p->p_args->ar_args; - buflen = p->p_args->ar_length; - buf = 0; - } else if (p != curp) { - bp = p->p_comm; - buflen = MAXCOMLEN; - buf = 0; - } else { - buflen = 256; - MALLOC(buf, char *, buflen + 1, M_TEMP, M_WAITOK); - bp = buf; - ps = buf; - error = copyin((void*)PS_STRINGS, &pstr, sizeof(pstr)); - if (error) { - FREE(buf, M_TEMP); - return (error); - } - bytes_left = buflen; - for (i = 0; bytes_left && (i < pstr.ps_nargvstr); i++) { - error = copyinstr(pstr.ps_argvstr[i], ps, - bytes_left, &done); - /* If too long or malformed, just truncate */ - if (error) { - error = 0; - break; - } - ps += done; - bytes_left -= done; - } - buflen = ps - buf; - } - - buflen -= uio->uio_offset; - ps = bp + uio->uio_offset; - xlen = min(buflen, uio->uio_resid); - if (xlen <= 0) - error = 0; - else - error = uiomove(ps, xlen, uio); - if (buf) - FREE(buf, M_TEMP); - return (error); -} |
