1 /*- 2 * Copyright (c) 2007 Robert N. M. Watson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #include <sys/param.h> 30 #include <sys/socket.h> 31 #include <sys/sysctl.h> 32 #include <sys/un.h> 33 #include <sys/user.h> 34 35 #include <netinet/in.h> 36 37 #include <arpa/inet.h> 38 39 #include <err.h> 40 #include <inttypes.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <libutil.h> 45 46 #include "procstat.h" 47 48 static const char * 49 protocol_to_string(int domain, int type, int protocol) 50 { 51 52 switch (domain) { 53 case AF_INET: 54 case AF_INET6: 55 switch (protocol) { 56 case IPPROTO_TCP: 57 return ("TCP"); 58 case IPPROTO_UDP: 59 return ("UDP"); 60 case IPPROTO_ICMP: 61 return ("ICM"); 62 case IPPROTO_RAW: 63 return ("RAW"); 64 case IPPROTO_SCTP: 65 return ("SCT"); 66 case IPPROTO_DIVERT: 67 return ("IPD"); 68 default: 69 return ("IP?"); 70 } 71 72 case AF_LOCAL: 73 switch (type) { 74 case SOCK_STREAM: 75 return ("UDS"); 76 case SOCK_DGRAM: 77 return ("UDD"); 78 default: 79 return ("UD?"); 80 } 81 default: 82 return ("?"); 83 } 84 } 85 86 static void 87 addr_to_string(struct sockaddr_storage *ss, char *buffer, int buflen) 88 { 89 char buffer2[INET6_ADDRSTRLEN]; 90 struct sockaddr_in6 *sin6; 91 struct sockaddr_in *sin; 92 struct sockaddr_un *sun; 93 94 switch (ss->ss_family) { 95 case AF_LOCAL: 96 sun = (struct sockaddr_un *)ss; 97 if (strlen(sun->sun_path) == 0) 98 strlcpy(buffer, "-", buflen); 99 else 100 strlcpy(buffer, sun->sun_path, buflen); 101 break; 102 103 case AF_INET: 104 sin = (struct sockaddr_in *)ss; 105 snprintf(buffer, buflen, "%s:%d", inet_ntoa(sin->sin_addr), 106 ntohs(sin->sin_port)); 107 break; 108 109 case AF_INET6: 110 sin6 = (struct sockaddr_in6 *)ss; 111 if (inet_ntop(AF_INET6, &sin6->sin6_addr, buffer2, 112 sizeof(buffer2)) != NULL) 113 snprintf(buffer, buflen, "%s.%d", buffer2, 114 ntohs(sin6->sin6_port)); 115 else 116 strlcpy(buffer, "-", sizeof(buffer)); 117 break; 118 119 default: 120 strlcpy(buffer, "", buflen); 121 break; 122 } 123 } 124 125 static void 126 print_address(struct sockaddr_storage *ss) 127 { 128 char addr[PATH_MAX]; 129 130 addr_to_string(ss, addr, sizeof(addr)); 131 printf("%s", addr); 132 } 133 134 void 135 procstat_files(pid_t pid, struct kinfo_proc *kipp) 136 { 137 struct kinfo_file *freep, *kif; 138 int i, cnt; 139 const char *str; 140 141 if (!hflag) 142 printf("%5s %-16s %4s %1s %1s %-8s %3s %7s %-3s %-12s\n", 143 "PID", "COMM", "FD", "T", "V", "FLAGS", "REF", "OFFSET", 144 "PRO", "NAME"); 145 146 freep = kinfo_getfile(pid, &cnt); 147 if (freep == NULL) 148 return; 149 for (i = 0; i < cnt; i++) { 150 kif = &freep[i]; 151 152 printf("%5d ", pid); 153 printf("%-16s ", kipp->ki_comm); 154 switch (kif->kf_fd) { 155 case KF_FD_TYPE_CWD: 156 printf(" cwd "); 157 break; 158 159 case KF_FD_TYPE_ROOT: 160 printf("root "); 161 break; 162 163 case KF_FD_TYPE_JAIL: 164 printf("jail "); 165 break; 166 167 default: 168 printf("%4d ", kif->kf_fd); 169 break; 170 } 171 switch (kif->kf_type) { 172 case KF_TYPE_VNODE: 173 str = "v"; 174 break; 175 176 case KF_TYPE_SOCKET: 177 str = "s"; 178 break; 179 180 case KF_TYPE_PIPE: 181 str = "p"; 182 break; 183 184 case KF_TYPE_FIFO: 185 str = "f"; 186 break; 187 188 case KF_TYPE_KQUEUE: 189 str = "k"; 190 break; 191 192 case KF_TYPE_CRYPTO: 193 str = "c"; 194 break; 195 196 case KF_TYPE_MQUEUE: 197 str = "m"; 198 break; 199 200 case KF_TYPE_SHM: 201 str = "h"; 202 break; 203 204 case KF_TYPE_PTS: 205 str = "t"; 206 break; 207 208 case KF_TYPE_SEM: 209 str = "e"; 210 break; 211 212 case KF_TYPE_NONE: 213 case KF_TYPE_UNKNOWN: 214 default: 215 str = "?"; 216 break; 217 } 218 printf("%1s ", str); 219 str = "-"; 220 if (kif->kf_type == KF_TYPE_VNODE) { 221 switch (kif->kf_vnode_type) { 222 case KF_VTYPE_VREG: 223 str = "r"; 224 break; 225 226 case KF_VTYPE_VDIR: 227 str = "d"; 228 break; 229 230 case KF_VTYPE_VBLK: 231 str = "b"; 232 break; 233 234 case KF_VTYPE_VCHR: 235 str = "c"; 236 break; 237 238 case KF_VTYPE_VLNK: 239 str = "l"; 240 break; 241 242 case KF_VTYPE_VSOCK: 243 str = "s"; 244 break; 245 246 case KF_VTYPE_VFIFO: 247 str = "f"; 248 break; 249 250 case KF_VTYPE_VBAD: 251 str = "x"; 252 break; 253 254 case KF_VTYPE_VNON: 255 case KF_VTYPE_UNKNOWN: 256 default: 257 str = "?"; 258 break; 259 } 260 } 261 printf("%1s ", str); 262 printf("%s", kif->kf_flags & KF_FLAG_READ ? "r" : "-"); 263 printf("%s", kif->kf_flags & KF_FLAG_WRITE ? "w" : "-"); 264 printf("%s", kif->kf_flags & KF_FLAG_APPEND ? "a" : "-"); 265 printf("%s", kif->kf_flags & KF_FLAG_ASYNC ? "s" : "-"); 266 printf("%s", kif->kf_flags & KF_FLAG_FSYNC ? "f" : "-"); 267 printf("%s", kif->kf_flags & KF_FLAG_NONBLOCK ? "n" : "-"); 268 printf("%s", kif->kf_flags & KF_FLAG_DIRECT ? "d" : "-"); 269 printf("%s ", kif->kf_flags & KF_FLAG_HASLOCK ? "l" : "-"); 270 if (kif->kf_ref_count > -1) 271 printf("%3d ", kif->kf_ref_count); 272 else 273 printf("%3c ", '-'); 274 if (kif->kf_offset > -1) 275 printf("%7jd ", (intmax_t)kif->kf_offset); 276 else 277 printf("%7c ", '-'); 278 279 switch (kif->kf_type) { 280 case KF_TYPE_VNODE: 281 case KF_TYPE_FIFO: 282 case KF_TYPE_PTS: 283 printf("%-3s ", "-"); 284 printf("%-18s", kif->kf_path); 285 break; 286 287 case KF_TYPE_SOCKET: 288 printf("%-3s ", 289 protocol_to_string(kif->kf_sock_domain, 290 kif->kf_sock_type, kif->kf_sock_protocol)); 291 /* 292 * While generally we like to print two addresses, 293 * local and peer, for sockets, it turns out to be 294 * more useful to print the first non-nul address for 295 * local sockets, as typically they aren't bound and 296 * connected, and the path strings can get long. 297 */ 298 if (kif->kf_sock_domain == AF_LOCAL) { 299 struct sockaddr_un *sun = 300 (struct sockaddr_un *)&kif->kf_sa_local; 301 302 if (sun->sun_path[0] != 0) 303 print_address(&kif->kf_sa_local); 304 else 305 print_address(&kif->kf_sa_peer); 306 } else { 307 print_address(&kif->kf_sa_local); 308 printf(" "); 309 print_address(&kif->kf_sa_peer); 310 } 311 break; 312 313 default: 314 printf("%-3s ", "-"); 315 printf("%-18s", "-"); 316 } 317 318 printf("\n"); 319 } 320 free(freep); 321 } 322