1 /* $NetBSD: h_tools.c,v 1.7 2006/11/09 16:20:06 jmmv Exp $ */ 2 3 /*- 4 * Copyright (c) 2005, 2006 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Julio M. Merino Vidal, developed as part of Google's Summer of Code 9 * 2005 program. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 * 39 * $FreeBSD$ 40 */ 41 42 /* 43 * Helper tools for several tests. These are kept in a single file due 44 * to the limitations of bsd.prog.mk to build a single program in a 45 * given directory. 46 */ 47 48 #include <sys/param.h> 49 #include <sys/types.h> 50 #include <sys/event.h> 51 #include <sys/mount.h> 52 #include <sys/statvfs.h> 53 #include <sys/socket.h> 54 #include <sys/time.h> 55 #include <sys/un.h> 56 57 #include <assert.h> 58 #include <err.h> 59 #include <errno.h> 60 #include <fcntl.h> 61 #include <stdio.h> 62 #include <stdlib.h> 63 #include <string.h> 64 #include <unistd.h> 65 66 /* --------------------------------------------------------------------- */ 67 68 static int getfh_main(int, char **); 69 static int kqueue_main(int, char **); 70 static int rename_main(int, char **); 71 static int sockets_main(int, char **); 72 static int statvfs_main(int, char **); 73 74 /* --------------------------------------------------------------------- */ 75 76 int 77 getfh_main(int argc, char **argv) 78 { 79 int error; 80 fhandle_t fh; 81 82 if (argc < 2) 83 return EXIT_FAILURE; 84 85 error = getfh(argv[1], &fh); 86 if (error == 0) 87 err(EXIT_FAILURE, "can not getfh"); 88 89 error = write(STDOUT_FILENO, &fh, sizeof(fh)); 90 if (error == -1) { 91 perror("write"); 92 return EXIT_FAILURE; 93 } 94 95 return 0; 96 } 97 98 /* --------------------------------------------------------------------- */ 99 100 int 101 kqueue_main(int argc, char **argv) 102 { 103 char *line; 104 int i, kq; 105 size_t len; 106 struct kevent *changes, event; 107 108 if (argc < 2) 109 return EXIT_FAILURE; 110 111 argc--; 112 argv++; 113 114 changes = malloc(sizeof(struct kevent) * (argc - 1)); 115 if (changes == NULL) 116 errx(EXIT_FAILURE, "not enough memory"); 117 118 for (i = 0; i < argc; i++) { 119 int fd; 120 121 fd = open(argv[i], O_RDONLY); 122 if (fd == -1) 123 err(EXIT_FAILURE, "cannot open %s", argv[i]); 124 125 EV_SET(&changes[i], fd, EVFILT_VNODE, 126 EV_ADD | EV_ENABLE | EV_ONESHOT, 127 NOTE_ATTRIB | NOTE_DELETE | NOTE_EXTEND | NOTE_LINK | 128 NOTE_RENAME | NOTE_REVOKE | NOTE_WRITE, 129 0, 0); 130 } 131 132 kq = kqueue(); 133 if (kq == -1) 134 err(EXIT_FAILURE, "kqueue"); 135 136 while ((line = fgetln(stdin, &len)) != NULL) { 137 int ec, nev; 138 struct timespec to; 139 140 to.tv_sec = 0; 141 to.tv_nsec = 100000; 142 143 (void)kevent(kq, changes, argc, &event, 1, &to); 144 145 assert(len > 0); 146 assert(line[len - 1] == '\n'); 147 line[len - 1] = '\0'; 148 ec = system(line); 149 if (ec != EXIT_SUCCESS) 150 errx(ec, "%s returned %d", line, ec); 151 152 do { 153 nev = kevent(kq, changes, argc, &event, 1, &to); 154 if (nev == -1) 155 err(EXIT_FAILURE, "kevent"); 156 else if (nev > 0) { 157 for (i = 0; i < argc; i++) 158 if (event.ident == changes[i].ident) 159 break; 160 161 if (event.fflags & NOTE_ATTRIB) 162 printf("%s - NOTE_ATTRIB\n", argv[i]); 163 if (event.fflags & NOTE_DELETE) 164 printf("%s - NOTE_DELETE\n", argv[i]); 165 if (event.fflags & NOTE_EXTEND) 166 printf("%s - NOTE_EXTEND\n", argv[i]); 167 if (event.fflags & NOTE_LINK) 168 printf("%s - NOTE_LINK\n", argv[i]); 169 if (event.fflags & NOTE_RENAME) 170 printf("%s - NOTE_RENAME\n", argv[i]); 171 if (event.fflags & NOTE_REVOKE) 172 printf("%s - NOTE_REVOKE\n", argv[i]); 173 if (event.fflags & NOTE_WRITE) 174 printf("%s - NOTE_WRITE\n", argv[i]); 175 } 176 } while (nev > 0); 177 } 178 179 for (i = 0; i < argc; i++) 180 close(changes[i].ident); 181 free(changes); 182 183 return EXIT_SUCCESS; 184 } 185 186 /* --------------------------------------------------------------------- */ 187 188 int 189 rename_main(int argc, char **argv) 190 { 191 192 if (argc < 3) 193 return EXIT_FAILURE; 194 195 return rename(argv[1], argv[2]); 196 } 197 198 /* --------------------------------------------------------------------- */ 199 200 int 201 sockets_main(int argc, char **argv) 202 { 203 int error, fd; 204 struct sockaddr_un addr; 205 206 if (argc < 2) 207 return EXIT_FAILURE; 208 209 fd = socket(PF_LOCAL, SOCK_STREAM, 0); 210 if (fd == -1) { 211 perror("socket"); 212 return EXIT_FAILURE; 213 } 214 215 (void)strlcpy(addr.sun_path, argv[1], sizeof(addr.sun_path)); 216 addr.sun_family = PF_UNIX; 217 218 error = bind(fd, (struct sockaddr *)&addr, sizeof(addr)); 219 if (error == -1) { 220 perror("connect"); 221 return EXIT_FAILURE; 222 } 223 224 close(fd); 225 226 return EXIT_SUCCESS; 227 } 228 229 /* --------------------------------------------------------------------- */ 230 231 int 232 statvfs_main(int argc, char **argv) 233 { 234 int error; 235 struct statfs buf; 236 237 if (argc < 2) 238 return EXIT_FAILURE; 239 240 memset(&buf, 0, sizeof(buf)); 241 buf.f_version = STATFS_VERSION; 242 error = statfs(argv[1], &buf); 243 if (error != 0) { 244 perror("statvfs"); 245 return EXIT_FAILURE; 246 } 247 248 (void)printf("f_bsize=%llu\n", buf.f_bsize); 249 (void)printf("f_blocks=%llu\n", buf.f_blocks); 250 (void)printf("f_bfree=%llu\n", buf.f_bfree); 251 (void)printf("f_files=%llu\n", buf.f_files); 252 253 return EXIT_SUCCESS; 254 } 255 256 /* --------------------------------------------------------------------- */ 257 258 int 259 main(int argc, char **argv) 260 { 261 int error; 262 263 if (argc < 2) 264 return EXIT_FAILURE; 265 266 argc -= 1; 267 argv += 1; 268 269 if (strcmp(argv[0], "getfh") == 0) 270 error = getfh_main(argc, argv); 271 else if (strcmp(argv[0], "kqueue") == 0) 272 error = kqueue_main(argc, argv); 273 else if (strcmp(argv[0], "rename") == 0) 274 error = rename_main(argc, argv); 275 else if (strcmp(argv[0], "sockets") == 0) 276 error = sockets_main(argc, argv); 277 else if (strcmp(argv[0], "statvfs") == 0) 278 error = statvfs_main(argc, argv); 279 else 280 error = EXIT_FAILURE; 281 282 return error; 283 } 284