1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2009 Stanislav Sedov <stas@FreeBSD.org> 5 * Copyright (c) 2017 Dell EMC 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * $FreeBSD$ 30 */ 31 32 #ifndef _LIBPROCSTAT_H_ 33 #define _LIBPROCSTAT_H_ 34 35 /* 36 * XXX: sys/elf.h conflicts with zfs_context.h. Workaround this by not 37 * including conflicting parts when building zfs code. 38 */ 39 #ifndef ZFS 40 #include <sys/elf.h> 41 #endif 42 #include <sys/caprights.h> 43 44 /* 45 * Vnode types. 46 */ 47 #define PS_FST_VTYPE_VNON 1 48 #define PS_FST_VTYPE_VREG 2 49 #define PS_FST_VTYPE_VDIR 3 50 #define PS_FST_VTYPE_VBLK 4 51 #define PS_FST_VTYPE_VCHR 5 52 #define PS_FST_VTYPE_VLNK 6 53 #define PS_FST_VTYPE_VSOCK 7 54 #define PS_FST_VTYPE_VFIFO 8 55 #define PS_FST_VTYPE_VBAD 9 56 #define PS_FST_VTYPE_UNKNOWN 255 57 58 /* 59 * Descriptor types. 60 */ 61 #define PS_FST_TYPE_VNODE 1 62 #define PS_FST_TYPE_FIFO 2 63 #define PS_FST_TYPE_SOCKET 3 64 #define PS_FST_TYPE_PIPE 4 65 #define PS_FST_TYPE_PTS 5 66 #define PS_FST_TYPE_KQUEUE 6 67 /* was PS_FST_TYPE_CRYPTO 7 */ 68 #define PS_FST_TYPE_MQUEUE 8 69 #define PS_FST_TYPE_SHM 9 70 #define PS_FST_TYPE_SEM 10 71 #define PS_FST_TYPE_UNKNOWN 11 72 #define PS_FST_TYPE_NONE 12 73 #define PS_FST_TYPE_PROCDESC 13 74 #define PS_FST_TYPE_DEV 14 75 #define PS_FST_TYPE_EVENTFD 15 76 77 /* 78 * Special descriptor numbers. 79 */ 80 #define PS_FST_UFLAG_RDIR 0x0001 81 #define PS_FST_UFLAG_CDIR 0x0002 82 #define PS_FST_UFLAG_JAIL 0x0004 83 #define PS_FST_UFLAG_TRACE 0x0008 84 #define PS_FST_UFLAG_TEXT 0x0010 85 #define PS_FST_UFLAG_MMAP 0x0020 86 #define PS_FST_UFLAG_CTTY 0x0040 87 88 /* 89 * Descriptor flags. 90 */ 91 #define PS_FST_FFLAG_READ 0x0001 92 #define PS_FST_FFLAG_WRITE 0x0002 93 #define PS_FST_FFLAG_NONBLOCK 0x0004 94 #define PS_FST_FFLAG_APPEND 0x0008 95 #define PS_FST_FFLAG_SHLOCK 0x0010 96 #define PS_FST_FFLAG_EXLOCK 0x0020 97 #define PS_FST_FFLAG_ASYNC 0x0040 98 #define PS_FST_FFLAG_SYNC 0x0080 99 #define PS_FST_FFLAG_NOFOLLOW 0x0100 100 #define PS_FST_FFLAG_CREAT 0x0200 101 #define PS_FST_FFLAG_TRUNC 0x0400 102 #define PS_FST_FFLAG_EXCL 0x0800 103 #define PS_FST_FFLAG_DIRECT 0x1000 104 #define PS_FST_FFLAG_EXEC 0x2000 105 #define PS_FST_FFLAG_HASLOCK 0x4000 106 107 struct kinfo_kstack; 108 struct kinfo_vmentry; 109 struct procstat; 110 struct ptrace_lwpinfo; 111 struct rlimit; 112 struct filestat { 113 int fs_type; /* Descriptor type. */ 114 int fs_flags; /* filestat specific flags. */ 115 int fs_fflags; /* Descriptor access flags. */ 116 int fs_uflags; /* How this file is used. */ 117 int fs_fd; /* File descriptor number. */ 118 int fs_ref_count; /* Reference count. */ 119 off_t fs_offset; /* Seek location. */ 120 void *fs_typedep; /* Type dependent data. */ 121 char *fs_path; 122 STAILQ_ENTRY(filestat) next; 123 cap_rights_t fs_cap_rights; /* Capability rights, if flag set. */ 124 }; 125 struct vnstat { 126 uint64_t vn_fileid; 127 uint64_t vn_size; 128 uint64_t vn_dev; 129 uint64_t vn_fsid; 130 char *vn_mntdir; 131 int vn_type; 132 uint16_t vn_mode; 133 char vn_devname[SPECNAMELEN + 1]; 134 }; 135 struct ptsstat { 136 uint64_t dev; 137 char devname[SPECNAMELEN + 1]; 138 }; 139 struct pipestat { 140 size_t buffer_cnt; 141 uint64_t addr; 142 uint64_t peer; 143 }; 144 struct semstat { 145 uint32_t value; 146 uint16_t mode; 147 }; 148 struct shmstat { 149 uint64_t size; 150 uint16_t mode; 151 }; 152 struct sockstat { 153 uint64_t inp_ppcb; 154 uint64_t so_addr; 155 uint64_t so_pcb; 156 uint64_t unp_conn; 157 int dom_family; 158 int proto; 159 int so_rcv_sb_state; 160 int so_snd_sb_state; 161 struct sockaddr_storage sa_local; /* Socket address. */ 162 struct sockaddr_storage sa_peer; /* Peer address. */ 163 int type; 164 char dname[32]; 165 unsigned int sendq; 166 unsigned int recvq; 167 }; 168 169 STAILQ_HEAD(filestat_list, filestat); 170 171 struct advlock { 172 int rw; /* PS_ADVLOCK_RO/RW */ 173 int type; /* PS_ADVLOCK_TYPE_ */ 174 int pid; 175 int sysid; 176 uint64_t file_fsid; 177 uint64_t file_rdev; 178 uint64_t file_fileid; 179 off_t start; 180 off_t len; /* len == 0 till the EOF */ 181 const char *path; 182 STAILQ_ENTRY(advlock) next; 183 }; 184 185 #define PS_ADVLOCK_RO 0x01 186 #define PS_ADVLOCK_RW 0x02 187 188 #define PS_ADVLOCK_TYPE_FLOCK 0x01 189 #define PS_ADVLOCK_TYPE_PID 0x02 190 #define PS_ADVLOCK_TYPE_REMOTE 0x03 191 192 STAILQ_HEAD(advlock_list, advlock); 193 194 __BEGIN_DECLS 195 void procstat_close(struct procstat *procstat); 196 void procstat_freeadvlock(struct procstat *procstat, 197 struct advlock_list *advlocks); 198 void procstat_freeargv(struct procstat *procstat); 199 #ifndef ZFS 200 void procstat_freeauxv(struct procstat *procstat, Elf_Auxinfo *auxv); 201 #endif 202 void procstat_freeenvv(struct procstat *procstat); 203 void procstat_freegroups(struct procstat *procstat, gid_t *groups); 204 void procstat_freekstack(struct procstat *procstat, 205 struct kinfo_kstack *kkstp); 206 void procstat_freeprocs(struct procstat *procstat, struct kinfo_proc *p); 207 void procstat_freefiles(struct procstat *procstat, 208 struct filestat_list *head); 209 void procstat_freeptlwpinfo(struct procstat *procstat, 210 struct ptrace_lwpinfo *pl); 211 void procstat_freevmmap(struct procstat *procstat, 212 struct kinfo_vmentry *vmmap); 213 struct advlock_list *procstat_getadvlock(struct procstat *procstat); 214 struct filestat_list *procstat_getfiles(struct procstat *procstat, 215 struct kinfo_proc *kp, int mmapped); 216 struct kinfo_proc *procstat_getprocs(struct procstat *procstat, 217 int what, int arg, unsigned int *count); 218 int procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst, 219 struct pipestat *pipe, char *errbuf); 220 int procstat_get_pts_info(struct procstat *procstat, struct filestat *fst, 221 struct ptsstat *pts, char *errbuf); 222 int procstat_get_sem_info(struct procstat *procstat, struct filestat *fst, 223 struct semstat *sem, char *errbuf); 224 int procstat_get_shm_info(struct procstat *procstat, struct filestat *fst, 225 struct shmstat *shm, char *errbuf); 226 int procstat_get_socket_info(struct procstat *procstat, struct filestat *fst, 227 struct sockstat *sock, char *errbuf); 228 int procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst, 229 struct vnstat *vn, char *errbuf); 230 char **procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, 231 size_t nchr); 232 #ifndef ZFS 233 Elf_Auxinfo *procstat_getauxv(struct procstat *procstat, 234 struct kinfo_proc *kp, unsigned int *cntp); 235 #endif 236 struct ptrace_lwpinfo *procstat_getptlwpinfo(struct procstat *procstat, 237 unsigned int *cntp); 238 char **procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, 239 size_t nchr); 240 gid_t *procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp, 241 unsigned int *count); 242 struct kinfo_kstack *procstat_getkstack(struct procstat *procstat, 243 struct kinfo_proc *kp, unsigned int *count); 244 int procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, 245 int *osrelp); 246 int procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp, 247 char *pathname, size_t maxlen); 248 int procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, 249 int which, struct rlimit* rlimit); 250 int procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp, 251 unsigned short* umask); 252 struct kinfo_vmentry *procstat_getvmmap(struct procstat *procstat, 253 struct kinfo_proc *kp, unsigned int *count); 254 struct procstat *procstat_open_core(const char *filename); 255 struct procstat *procstat_open_sysctl(void); 256 struct procstat *procstat_open_kvm(const char *nlistf, const char *memf); 257 __END_DECLS 258 259 #endif /* !_LIBPROCSTAT_H_ */ 260