2 * Copyright (c) 2007-2011 Robert N. M. Watson
3 * Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/param.h>
31 #include <sys/capsicum.h>
32 #include <sys/socket.h>
33 #include <sys/sysctl.h>
37 #include <netinet/in.h>
39 #include <arpa/inet.h>
42 #include <libprocstat.h>
51 protocol_to_string(int domain, int type, int protocol)
89 addr_to_string(struct sockaddr_storage *ss, char *buffer, int buflen)
91 char buffer2[INET6_ADDRSTRLEN];
92 struct sockaddr_in6 *sin6;
93 struct sockaddr_in *sin;
94 struct sockaddr_un *sun;
96 switch (ss->ss_family) {
98 sun = (struct sockaddr_un *)ss;
99 if (strlen(sun->sun_path) == 0)
100 strlcpy(buffer, "-", buflen);
102 strlcpy(buffer, sun->sun_path, buflen);
106 sin = (struct sockaddr_in *)ss;
107 snprintf(buffer, buflen, "%s:%d", inet_ntoa(sin->sin_addr),
108 ntohs(sin->sin_port));
112 sin6 = (struct sockaddr_in6 *)ss;
113 if (inet_ntop(AF_INET6, &sin6->sin6_addr, buffer2,
114 sizeof(buffer2)) != NULL)
115 snprintf(buffer, buflen, "%s.%d", buffer2,
116 ntohs(sin6->sin6_port));
118 strlcpy(buffer, "-", buflen);
122 strlcpy(buffer, "", buflen);
127 static struct cap_desc {
131 /* General file I/O. */
136 { CAP_CREATE, "cr" },
137 { CAP_FEXECVE, "fe" },
139 { CAP_FTRUNCATE, "ft" },
142 { CAP_FCHDIR, "cd" },
143 { CAP_FCHFLAGS, "cf" },
144 { CAP_FCHMOD, "cm" },
145 { CAP_FCHOWN, "cn" },
148 { CAP_FPATHCONF, "fp" },
151 { CAP_FSTATFS, "sf" },
152 { CAP_FUTIMES, "fu" },
153 { CAP_LINKAT_SOURCE, "ls" },
154 { CAP_LINKAT_TARGET, "lt" },
155 { CAP_MKDIRAT, "md" },
156 { CAP_MKFIFOAT, "mf" },
157 { CAP_MKNODAT, "mn" },
158 { CAP_RENAMEAT_SOURCE, "rs" },
159 { CAP_RENAMEAT_TARGET, "rt" },
160 { CAP_SYMLINKAT, "sl" },
161 { CAP_UNLINKAT, "un" },
163 /* Lookups - used to constrain *at() calls. */
164 { CAP_LOOKUP, "lo" },
166 /* Extended attributes. */
167 { CAP_EXTATTR_GET, "eg" },
168 { CAP_EXTATTR_SET, "es" },
169 { CAP_EXTATTR_DELETE, "ed" },
170 { CAP_EXTATTR_LIST, "el" },
172 /* Access Control Lists. */
173 { CAP_ACL_GET, "ag" },
174 { CAP_ACL_SET, "as" },
175 { CAP_ACL_DELETE, "ad" },
176 { CAP_ACL_CHECK, "ac" },
178 /* Socket operations. */
179 { CAP_ACCEPT, "at" },
181 { CAP_CONNECT, "co" },
182 { CAP_GETPEERNAME, "pn" },
183 { CAP_GETSOCKNAME, "sn" },
184 { CAP_GETSOCKOPT, "gs" },
185 { CAP_LISTEN, "ln" },
186 { CAP_PEELOFF, "pf" },
187 { CAP_SETSOCKOPT, "ss" },
188 { CAP_SHUTDOWN, "sh" },
190 /* Mandatory Access Control. */
191 { CAP_MAC_GET, "mg" },
192 { CAP_MAC_SET, "ms" },
194 /* Methods on semaphores. */
195 { CAP_SEM_GETVALUE, "sg" },
196 { CAP_SEM_POST, "sp" },
197 { CAP_SEM_WAIT, "sw" },
199 /* Event monitoring and posting. */
201 { CAP_KQUEUE_EVENT, "ke" },
202 { CAP_KQUEUE_CHANGE, "kc" },
204 /* Strange and powerful rights that should not be given lightly. */
206 { CAP_TTYHOOK, "ty" },
208 /* Process management via process descriptors. */
209 { CAP_PDGETPID, "pg" },
210 { CAP_PDWAIT, "pw" },
211 { CAP_PDKILL, "pk" },
214 * Rights that allow to use bindat(2) and connectat(2) syscalls on a
215 * directory descriptor.
217 { CAP_BINDAT, "ba" },
218 { CAP_CONNECTAT, "ca" },
220 /* Aliases and defines that combine multiple rights. */
221 { CAP_PREAD, "prd" },
222 { CAP_PWRITE, "pwr" },
224 { CAP_MMAP_R, "mmr" },
225 { CAP_MMAP_W, "mmw" },
226 { CAP_MMAP_X, "mmx" },
227 { CAP_MMAP_RW, "mrw" },
228 { CAP_MMAP_RX, "mrx" },
229 { CAP_MMAP_WX, "mwx" },
230 { CAP_MMAP_RWX, "mma" },
235 { CAP_SOCK_CLIENT, "scl" },
236 { CAP_SOCK_SERVER, "ssr" },
238 static const u_int cap_desc_count = nitems(cap_desc);
241 width_capability(cap_rights_t *rightsp)
243 u_int count, i, width;
247 for (i = 0; i < cap_desc_count; i++) {
248 if (cap_rights_is_set(rightsp, cap_desc[i].cd_right)) {
249 width += strlen(cap_desc[i].cd_desc);
259 print_capability(cap_rights_t *rightsp, u_int capwidth)
261 u_int count, i, width;
265 for (i = width_capability(rightsp); i < capwidth; i++) {
271 xo_open_list("capabilities");
272 for (i = 0; i < cap_desc_count; i++) {
273 if (cap_rights_is_set(rightsp, cap_desc[i].cd_right)) {
274 xo_emit("{D:/%s}{l:capabilities/%s}", count ? "," : "",
275 cap_desc[i].cd_desc);
276 width += strlen(cap_desc[i].cd_desc);
282 xo_close_list("capabilities");
286 procstat_files(struct procstat *procstat, struct kinfo_proc *kipp)
288 struct sockstat sock;
289 struct filestat_list *head;
290 struct filestat *fst;
293 u_int capwidth, width;
295 char src_addr[PATH_MAX];
296 char dst_addr[PATH_MAX];
299 * To print the header in capability mode, we need to know the width
300 * of the widest capability string. Even if we get no processes
301 * back, we will print the header, so we defer aborting due to a lack
302 * of processes until after the header logic.
305 head = procstat_getfiles(procstat, kipp, 0);
307 (procstat_opts & PS_OPT_CAPABILITIES) != 0) {
308 STAILQ_FOREACH(fst, head, next) {
309 width = width_capability(&fst->fs_cap_rights);
310 if (width > capwidth)
313 if (capwidth < strlen("CAPABILITIES"))
314 capwidth = strlen("CAPABILITIES");
317 if ((procstat_opts & PS_OPT_NOHEADER) == 0) {
318 if ((procstat_opts & PS_OPT_CAPABILITIES) != 0)
319 xo_emit("{T:/%5s %-16s %5s %1s %-8s %-*s "
320 "%-3s %-12s}\n", "PID", "COMM", "FD", "T",
321 "FLAGS", capwidth, "CAPABILITIES", "PRO",
324 xo_emit("{T:/%5s %-16s %5s %1s %1s %-8s "
325 "%3s %7s %-3s %-12s}\n", "PID", "COMM", "FD", "T",
326 "V", "FLAGS", "REF", "OFFSET", "PRO", "NAME");
331 xo_emit("{ek:process_id/%5d/%d}", kipp->ki_pid);
332 xo_emit("{e:command/%-16s/%s}", kipp->ki_comm);
333 xo_open_list("files");
334 STAILQ_FOREACH(fst, head, next) {
335 xo_open_instance("files");
336 xo_emit("{dk:process_id/%5d/%d} ", kipp->ki_pid);
337 xo_emit("{d:command/%-16s/%s} ", kipp->ki_comm);
338 if (fst->fs_uflags & PS_FST_UFLAG_CTTY)
339 xo_emit("{P: }{:fd/%s} ", "ctty");
340 else if (fst->fs_uflags & PS_FST_UFLAG_CDIR)
341 xo_emit("{P: }{:fd/%s} ", "cwd");
342 else if (fst->fs_uflags & PS_FST_UFLAG_JAIL)
343 xo_emit("{P: }{:fd/%s} ", "jail");
344 else if (fst->fs_uflags & PS_FST_UFLAG_RDIR)
345 xo_emit("{P: }{:fd/%s} ", "root");
346 else if (fst->fs_uflags & PS_FST_UFLAG_TEXT)
347 xo_emit("{P: }{:fd/%s} ", "text");
348 else if (fst->fs_uflags & PS_FST_UFLAG_TRACE)
349 xo_emit("{:fd/%s} ", "trace");
351 xo_emit("{:fd/%5d} ", fst->fs_fd);
353 switch (fst->fs_type) {
354 case PS_FST_TYPE_VNODE:
356 xo_emit("{eq:fd_type/vnode}");
359 case PS_FST_TYPE_SOCKET:
361 xo_emit("{eq:fd_type/socket}");
364 case PS_FST_TYPE_PIPE:
366 xo_emit("{eq:fd_type/pipe}");
369 case PS_FST_TYPE_FIFO:
371 xo_emit("{eq:fd_type/fifo}");
374 case PS_FST_TYPE_KQUEUE:
376 xo_emit("{eq:fd_type/kqueue}");
379 case PS_FST_TYPE_CRYPTO:
381 xo_emit("{eq:fd_type/crypto}");
384 case PS_FST_TYPE_MQUEUE:
386 xo_emit("{eq:fd_type/mqueue}");
389 case PS_FST_TYPE_SHM:
391 xo_emit("{eq:fd_type/shm}");
394 case PS_FST_TYPE_PTS:
396 xo_emit("{eq:fd_type/pts}");
399 case PS_FST_TYPE_SEM:
401 xo_emit("{eq:fd_type/sem}");
404 case PS_FST_TYPE_PROCDESC:
406 xo_emit("{eq:fd_type/procdesc}");
409 case PS_FST_TYPE_NONE:
411 xo_emit("{eq:fd_type/none}");
414 case PS_FST_TYPE_UNKNOWN:
417 xo_emit("{eq:fd_type/unknown}");
420 xo_emit("{d:fd_type/%1s/%s} ", str);
421 if ((procstat_opts & PS_OPT_CAPABILITIES) == 0) {
423 if (fst->fs_type == PS_FST_TYPE_VNODE) {
424 error = procstat_get_vnode_info(procstat, fst,
426 switch (vn.vn_type) {
427 case PS_FST_VTYPE_VREG:
429 xo_emit("{eq:vode_type/regular}");
432 case PS_FST_VTYPE_VDIR:
434 xo_emit("{eq:vode_type/directory}");
437 case PS_FST_VTYPE_VBLK:
439 xo_emit("{eq:vode_type/block}");
442 case PS_FST_VTYPE_VCHR:
444 xo_emit("{eq:vode_type/character}");
447 case PS_FST_VTYPE_VLNK:
449 xo_emit("{eq:vode_type/link}");
452 case PS_FST_VTYPE_VSOCK:
454 xo_emit("{eq:vode_type/socket}");
457 case PS_FST_VTYPE_VFIFO:
459 xo_emit("{eq:vode_type/fifo}");
462 case PS_FST_VTYPE_VBAD:
464 xo_emit("{eq:vode_type/revoked_device}");
467 case PS_FST_VTYPE_VNON:
469 xo_emit("{eq:vode_type/non}");
472 case PS_FST_VTYPE_UNKNOWN:
475 xo_emit("{eq:vode_type/unknown}");
479 xo_emit("{d:vnode_type/%1s/%s} ", str);
482 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_READ ?
484 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_WRITE ?
486 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_APPEND ?
488 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_ASYNC ?
490 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_SYNC ?
492 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_NONBLOCK ?
494 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_DIRECT ?
496 xo_emit("{d:/%s}", fst->fs_fflags & PS_FST_FFLAG_HASLOCK ?
499 xo_open_list("fd_flags");
500 if (fst->fs_fflags & PS_FST_FFLAG_READ)
501 xo_emit("{elq:fd_flags/read}");
502 if (fst->fs_fflags & PS_FST_FFLAG_WRITE)
503 xo_emit("{elq:fd_flags/write}");
504 if (fst->fs_fflags & PS_FST_FFLAG_APPEND)
505 xo_emit("{elq:fd_flags/append}");
506 if (fst->fs_fflags & PS_FST_FFLAG_ASYNC)
507 xo_emit("{elq:fd_flags/async}");
508 if (fst->fs_fflags & PS_FST_FFLAG_SYNC)
509 xo_emit("{elq:fd_flags/fsync}");
510 if (fst->fs_fflags & PS_FST_FFLAG_NONBLOCK)
511 xo_emit("{elq:fd_flags/nonblocking}");
512 if (fst->fs_fflags & PS_FST_FFLAG_DIRECT)
513 xo_emit("{elq:fd_flags/direct_io}");
514 if (fst->fs_fflags & PS_FST_FFLAG_HASLOCK)
515 xo_emit("{elq:fd_flags/lock_held}");
516 xo_close_list("fd_flags");
518 if ((procstat_opts & PS_OPT_CAPABILITIES) == 0) {
519 if (fst->fs_ref_count > -1)
520 xo_emit("{:ref_count/%3d/%d} ",
523 xo_emit("{q:ref_count/%3c/%c} ", '-');
524 if (fst->fs_offset > -1)
525 xo_emit("{:offset/%7jd/%jd} ",
526 (intmax_t)fst->fs_offset);
528 xo_emit("{q:offset/%7c/%c} ", '-');
530 if ((procstat_opts & PS_OPT_CAPABILITIES) != 0) {
531 print_capability(&fst->fs_cap_rights, capwidth);
534 switch (fst->fs_type) {
535 case PS_FST_TYPE_SOCKET:
536 error = procstat_get_socket_info(procstat, fst, &sock,
540 xo_emit("{:protocol/%-3s/%s} ",
541 protocol_to_string(sock.dom_family,
542 sock.type, sock.proto));
543 if (sock.proto == IPPROTO_TCP ||
544 sock.proto == IPPROTO_SCTP ||
545 sock.type == SOCK_STREAM) {
546 xo_emit("{:sendq/%u} ", sock.sendq);
547 xo_emit("{:recvq/%u} ", sock.recvq);
550 * While generally we like to print two addresses,
551 * local and peer, for sockets, it turns out to be
552 * more useful to print the first non-nul address for
553 * local sockets, as typically they aren't bound and
554 * connected, and the path strings can get long.
556 if (sock.dom_family == AF_LOCAL) {
557 struct sockaddr_un *sun =
558 (struct sockaddr_un *)&sock.sa_local;
560 if (sun->sun_path[0] != 0)
561 addr_to_string(&sock.sa_local,
562 src_addr, sizeof(src_addr));
564 addr_to_string(&sock.sa_peer,
565 src_addr, sizeof(src_addr));
566 xo_emit("{:path/%s}", src_addr);
568 addr_to_string(&sock.sa_local, src_addr,
570 addr_to_string(&sock.sa_peer, dst_addr,
572 xo_emit("{:path/%s %s}", src_addr, dst_addr);
577 xo_emit("{:protocol/%-3s/%s} ", "-");
578 xo_emit("{:path/%-18s/%s}", fst->fs_path != NULL ?
583 xo_close_instance("files");
585 xo_close_list("files");
586 procstat_freefiles(procstat, head);