08afefa814
owned by the current user. If kinfo_getfile() or kinfo_getvmmap() return NULL, simply exit, and do not try and derefernce the memory. Reviewed by: peter Approved by: peter
322 lines
6.8 KiB
C
322 lines
6.8 KiB
C
/*-
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* Copyright (c) 2007 Robert N. M. Watson
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/un.h>
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#include <sys/user.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <err.h>
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libutil.h>
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#include "procstat.h"
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static const char *
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protocol_to_string(int domain, int type, int protocol)
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{
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switch (domain) {
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case AF_INET:
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case AF_INET6:
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switch (protocol) {
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case IPPROTO_TCP:
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return ("TCP");
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case IPPROTO_UDP:
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return ("UDP");
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case IPPROTO_ICMP:
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return ("ICM");
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case IPPROTO_RAW:
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return ("RAW");
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case IPPROTO_SCTP:
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return ("SCT");
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case IPPROTO_DIVERT:
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return ("IPD");
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default:
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return ("IP?");
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}
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case AF_LOCAL:
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switch (type) {
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case SOCK_STREAM:
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return ("UDS");
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case SOCK_DGRAM:
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return ("UDD");
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default:
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return ("UD?");
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}
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default:
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return ("?");
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}
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}
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static void
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addr_to_string(struct sockaddr_storage *ss, char *buffer, int buflen)
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{
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char buffer2[INET6_ADDRSTRLEN];
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struct sockaddr_in6 *sin6;
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struct sockaddr_in *sin;
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struct sockaddr_un *sun;
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switch (ss->ss_family) {
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case AF_LOCAL:
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sun = (struct sockaddr_un *)ss;
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if (strlen(sun->sun_path) == 0)
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strlcpy(buffer, "-", buflen);
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else
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strlcpy(buffer, sun->sun_path, buflen);
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break;
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case AF_INET:
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sin = (struct sockaddr_in *)ss;
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snprintf(buffer, buflen, "%s:%d", inet_ntoa(sin->sin_addr),
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ntohs(sin->sin_port));
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break;
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case AF_INET6:
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sin6 = (struct sockaddr_in6 *)ss;
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if (inet_ntop(AF_INET6, &sin6->sin6_addr, buffer2,
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sizeof(buffer2)) != NULL)
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snprintf(buffer, buflen, "%s.%d", buffer2,
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ntohs(sin6->sin6_port));
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else
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strlcpy(buffer, "-", sizeof(buffer));
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break;
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default:
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strlcpy(buffer, "", buflen);
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break;
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}
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}
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static void
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print_address(struct sockaddr_storage *ss)
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{
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char addr[PATH_MAX];
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addr_to_string(ss, addr, sizeof(addr));
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printf("%s", addr);
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}
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void
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procstat_files(pid_t pid, struct kinfo_proc *kipp)
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{
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struct kinfo_file *freep, *kif;
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int i, cnt;
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const char *str;
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if (!hflag)
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printf("%5s %-16s %4s %1s %1s %-8s %3s %7s %-3s %-12s\n",
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"PID", "COMM", "FD", "T", "V", "FLAGS", "REF", "OFFSET",
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"PRO", "NAME");
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freep = kinfo_getfile(pid, &cnt);
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if (freep == NULL)
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return;
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for (i = 0; i < cnt; i++) {
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kif = &freep[i];
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printf("%5d ", pid);
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printf("%-16s ", kipp->ki_comm);
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switch (kif->kf_fd) {
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case KF_FD_TYPE_CWD:
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printf(" cwd ");
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break;
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case KF_FD_TYPE_ROOT:
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printf("root ");
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break;
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case KF_FD_TYPE_JAIL:
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printf("jail ");
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break;
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default:
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printf("%4d ", kif->kf_fd);
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break;
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}
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switch (kif->kf_type) {
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case KF_TYPE_VNODE:
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str = "v";
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break;
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case KF_TYPE_SOCKET:
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str = "s";
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break;
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case KF_TYPE_PIPE:
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str = "p";
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break;
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case KF_TYPE_FIFO:
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str = "f";
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break;
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case KF_TYPE_KQUEUE:
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str = "k";
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break;
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case KF_TYPE_CRYPTO:
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str = "c";
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break;
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case KF_TYPE_MQUEUE:
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str = "m";
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break;
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case KF_TYPE_SHM:
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str = "h";
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break;
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case KF_TYPE_PTS:
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str = "t";
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break;
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case KF_TYPE_SEM:
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str = "e";
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break;
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case KF_TYPE_NONE:
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case KF_TYPE_UNKNOWN:
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default:
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str = "?";
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break;
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}
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printf("%1s ", str);
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str = "-";
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if (kif->kf_type == KF_TYPE_VNODE) {
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switch (kif->kf_vnode_type) {
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case KF_VTYPE_VREG:
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str = "r";
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break;
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case KF_VTYPE_VDIR:
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str = "d";
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break;
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case KF_VTYPE_VBLK:
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str = "b";
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break;
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case KF_VTYPE_VCHR:
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str = "c";
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break;
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case KF_VTYPE_VLNK:
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str = "l";
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break;
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case KF_VTYPE_VSOCK:
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str = "s";
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break;
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case KF_VTYPE_VFIFO:
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str = "f";
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break;
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case KF_VTYPE_VBAD:
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str = "x";
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break;
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case KF_VTYPE_VNON:
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case KF_VTYPE_UNKNOWN:
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default:
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str = "?";
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break;
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}
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}
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printf("%1s ", str);
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printf("%s", kif->kf_flags & KF_FLAG_READ ? "r" : "-");
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printf("%s", kif->kf_flags & KF_FLAG_WRITE ? "w" : "-");
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printf("%s", kif->kf_flags & KF_FLAG_APPEND ? "a" : "-");
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printf("%s", kif->kf_flags & KF_FLAG_ASYNC ? "s" : "-");
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printf("%s", kif->kf_flags & KF_FLAG_FSYNC ? "f" : "-");
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printf("%s", kif->kf_flags & KF_FLAG_NONBLOCK ? "n" : "-");
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printf("%s", kif->kf_flags & KF_FLAG_DIRECT ? "d" : "-");
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printf("%s ", kif->kf_flags & KF_FLAG_HASLOCK ? "l" : "-");
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if (kif->kf_ref_count > -1)
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printf("%3d ", kif->kf_ref_count);
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else
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printf("%3c ", '-');
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if (kif->kf_offset > -1)
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printf("%7jd ", (intmax_t)kif->kf_offset);
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else
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printf("%7c ", '-');
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switch (kif->kf_type) {
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case KF_TYPE_VNODE:
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case KF_TYPE_FIFO:
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case KF_TYPE_PTS:
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printf("%-3s ", "-");
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printf("%-18s", kif->kf_path);
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break;
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case KF_TYPE_SOCKET:
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printf("%-3s ",
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protocol_to_string(kif->kf_sock_domain,
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kif->kf_sock_type, kif->kf_sock_protocol));
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/*
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* While generally we like to print two addresses,
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* local and peer, for sockets, it turns out to be
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* more useful to print the first non-nul address for
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* local sockets, as typically they aren't bound and
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* connected, and the path strings can get long.
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*/
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if (kif->kf_sock_domain == AF_LOCAL) {
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struct sockaddr_un *sun =
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(struct sockaddr_un *)&kif->kf_sa_local;
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if (sun->sun_path[0] != 0)
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print_address(&kif->kf_sa_local);
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else
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print_address(&kif->kf_sa_peer);
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} else {
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print_address(&kif->kf_sa_local);
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printf(" ");
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print_address(&kif->kf_sa_peer);
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}
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break;
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default:
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printf("%-3s ", "-");
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printf("%-18s", "-");
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}
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printf("\n");
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}
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free(freep);
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}
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