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_proc; 109 struct kinfo_vmentry; 110 struct procstat; 111 struct ptrace_lwpinfo; 112 struct rlimit; 113 struct filestat { 114 int fs_type; /* Descriptor type. */ 115 int fs_flags; /* filestat specific flags. */ 116 int fs_fflags; /* Descriptor access flags. */ 117 int fs_uflags; /* How this file is used. */ 118 int fs_fd; /* File descriptor number. */ 119 int fs_ref_count; /* Reference count. */ 120 off_t fs_offset; /* Seek location. */ 121 void *fs_typedep; /* Type dependent data. */ 122 char *fs_path; 123 STAILQ_ENTRY(filestat) next; 124 cap_rights_t fs_cap_rights; /* Capability rights, if flag set. */ 125 }; 126 struct vnstat { 127 uint64_t vn_fileid; 128 uint64_t vn_size; 129 uint64_t vn_dev; 130 uint64_t vn_fsid; 131 char *vn_mntdir; 132 int vn_type; 133 uint16_t vn_mode; 134 char vn_devname[SPECNAMELEN + 1]; 135 }; 136 struct ptsstat { 137 uint64_t dev; 138 char devname[SPECNAMELEN + 1]; 139 }; 140 struct pipestat { 141 size_t buffer_cnt; 142 uint64_t addr; 143 uint64_t peer; 144 }; 145 struct semstat { 146 uint32_t value; 147 uint16_t mode; 148 }; 149 struct shmstat { 150 uint64_t size; 151 uint16_t mode; 152 }; 153 struct sockstat { 154 uint64_t inp_ppcb; 155 uint64_t so_addr; 156 uint64_t so_pcb; 157 uint64_t unp_conn; 158 int dom_family; 159 int proto; 160 int so_rcv_sb_state; 161 int so_snd_sb_state; 162 struct sockaddr_storage sa_local; /* Socket address. */ 163 struct sockaddr_storage sa_peer; /* Peer address. */ 164 int type; 165 char dname[32]; 166 unsigned int sendq; 167 unsigned int recvq; 168 }; 169 170 STAILQ_HEAD(filestat_list, filestat); 171 172 struct advlock { 173 int rw; /* PS_ADVLOCK_RO/RW */ 174 int type; /* PS_ADVLOCK_TYPE_ */ 175 int pid; 176 int sysid; 177 uint64_t file_fsid; 178 uint64_t file_rdev; 179 uint64_t file_fileid; 180 off_t start; 181 off_t len; /* len == 0 till the EOF */ 182 const char *path; 183 STAILQ_ENTRY(advlock) next; 184 }; 185 186 #define PS_ADVLOCK_RO 0x01 187 #define PS_ADVLOCK_RW 0x02 188 189 #define PS_ADVLOCK_TYPE_FLOCK 0x01 190 #define PS_ADVLOCK_TYPE_PID 0x02 191 #define PS_ADVLOCK_TYPE_REMOTE 0x03 192 193 STAILQ_HEAD(advlock_list, advlock); 194 195 __BEGIN_DECLS 196 void procstat_close(struct procstat *procstat); 197 void procstat_freeadvlock(struct procstat *procstat, 198 struct advlock_list *advlocks); 199 void procstat_freeargv(struct procstat *procstat); 200 #ifndef ZFS 201 void procstat_freeauxv(struct procstat *procstat, Elf_Auxinfo *auxv); 202 #endif 203 void procstat_freeenvv(struct procstat *procstat); 204 void procstat_freegroups(struct procstat *procstat, gid_t *groups); 205 void procstat_freekstack(struct procstat *procstat, 206 struct kinfo_kstack *kkstp); 207 void procstat_freeprocs(struct procstat *procstat, struct kinfo_proc *p); 208 void procstat_freefiles(struct procstat *procstat, 209 struct filestat_list *head); 210 void procstat_freeptlwpinfo(struct procstat *procstat, 211 struct ptrace_lwpinfo *pl); 212 void procstat_freevmmap(struct procstat *procstat, 213 struct kinfo_vmentry *vmmap); 214 struct advlock_list *procstat_getadvlock(struct procstat *procstat); 215 struct filestat_list *procstat_getfiles(struct procstat *procstat, 216 struct kinfo_proc *kp, int mmapped); 217 struct kinfo_proc *procstat_getprocs(struct procstat *procstat, 218 int what, int arg, unsigned int *count); 219 int procstat_get_pipe_info(struct procstat *procstat, struct filestat *fst, 220 struct pipestat *pipe, char *errbuf); 221 int procstat_get_pts_info(struct procstat *procstat, struct filestat *fst, 222 struct ptsstat *pts, char *errbuf); 223 int procstat_get_sem_info(struct procstat *procstat, struct filestat *fst, 224 struct semstat *sem, char *errbuf); 225 int procstat_get_shm_info(struct procstat *procstat, struct filestat *fst, 226 struct shmstat *shm, char *errbuf); 227 int procstat_get_socket_info(struct procstat *procstat, struct filestat *fst, 228 struct sockstat *sock, char *errbuf); 229 int procstat_get_vnode_info(struct procstat *procstat, struct filestat *fst, 230 struct vnstat *vn, char *errbuf); 231 char **procstat_getargv(struct procstat *procstat, struct kinfo_proc *p, 232 size_t nchr); 233 #ifndef ZFS 234 Elf_Auxinfo *procstat_getauxv(struct procstat *procstat, 235 struct kinfo_proc *kp, unsigned int *cntp); 236 #endif 237 struct ptrace_lwpinfo *procstat_getptlwpinfo(struct procstat *procstat, 238 unsigned int *cntp); 239 char **procstat_getenvv(struct procstat *procstat, struct kinfo_proc *p, 240 size_t nchr); 241 gid_t *procstat_getgroups(struct procstat *procstat, struct kinfo_proc *kp, 242 unsigned int *count); 243 struct kinfo_kstack *procstat_getkstack(struct procstat *procstat, 244 struct kinfo_proc *kp, unsigned int *count); 245 int procstat_getosrel(struct procstat *procstat, struct kinfo_proc *kp, 246 int *osrelp); 247 int procstat_getpathname(struct procstat *procstat, struct kinfo_proc *kp, 248 char *pathname, size_t maxlen); 249 int procstat_getrlimit(struct procstat *procstat, struct kinfo_proc *kp, 250 int which, struct rlimit* rlimit); 251 int procstat_getumask(struct procstat *procstat, struct kinfo_proc *kp, 252 unsigned short* umask); 253 struct kinfo_vmentry *procstat_getvmmap(struct procstat *procstat, 254 struct kinfo_proc *kp, unsigned int *count); 255 struct procstat *procstat_open_core(const char *filename); 256 struct procstat *procstat_open_sysctl(void); 257 struct procstat *procstat_open_kvm(const char *nlistf, const char *memf); 258 __END_DECLS 259 260 #endif /* !_LIBPROCSTAT_H_ */ 261