| 1 | #ifndef lint |
| 2 | static char *sccsid = "@(#)docmd.c 4.5 (Berkeley) 83/10/20"; |
| 3 | #endif |
| 4 | |
| 5 | #include "defs.h" |
| 6 | |
| 7 | FILE *lfp; /* log file for recording files updated */ |
| 8 | |
| 9 | /* |
| 10 | * Process commands for sending files to other machines. |
| 11 | */ |
| 12 | dohcmds(files, hosts, cmds) |
| 13 | struct block *files, *hosts, *cmds; |
| 14 | { |
| 15 | register struct block *h, *f, *c; |
| 16 | register char **cpp; |
| 17 | int n, ddir; |
| 18 | |
| 19 | if (debug) |
| 20 | printf("dohcmds(%x, %x, %x)\n", files, hosts, cmds); |
| 21 | |
| 22 | files = expand(files, 0); |
| 23 | hosts = expand(hosts, 1); |
| 24 | if (files == NULL) |
| 25 | fatal("no files to be updated\n"); |
| 26 | if (hosts == NULL) |
| 27 | fatal("empty list of hosts to be updated\n"); |
| 28 | except = cmds; |
| 29 | ddir = files->b_next != NULL; |
| 30 | |
| 31 | for (h = hosts; h != NULL; h = h->b_next) { |
| 32 | if (!qflag) |
| 33 | printf("updating host %s\n", h->b_name); |
| 34 | if (!nflag) { |
| 35 | if (!makeconn(h->b_name)) |
| 36 | continue; |
| 37 | if ((lfp = fopen(tmpfile, "w")) == NULL) { |
| 38 | fatal("cannot open %s\n", tmpfile); |
| 39 | exit(1); |
| 40 | } |
| 41 | } |
| 42 | for (f = files; f != NULL; f = f->b_next) { |
| 43 | if (filec) { |
| 44 | for (cpp = filev; *cpp; cpp++) |
| 45 | if (!strcmp(f->b_name, *cpp)) |
| 46 | goto found; |
| 47 | if (!nflag) { |
| 48 | (void) fclose(lfp); |
| 49 | } |
| 50 | continue; |
| 51 | } |
| 52 | found: |
| 53 | n = 0; |
| 54 | for (c = cmds; c != NULL; c = c->b_next) { |
| 55 | if (c->b_type != INSTALL) |
| 56 | continue; |
| 57 | n++; |
| 58 | if (c->b_name == NULL) |
| 59 | install(f->b_name, f->b_name, 0, c->b_options); |
| 60 | else |
| 61 | install(f->b_name, c->b_name, ddir, c->b_options); |
| 62 | } |
| 63 | if (n == 0) |
| 64 | install(f->b_name, f->b_name, 0, options); |
| 65 | } |
| 66 | if (!nflag) { |
| 67 | /* signal end of connection */ |
| 68 | (void) write(rem, "\2\n", 2); |
| 69 | (void) close(rem); |
| 70 | (void) fclose(lfp); |
| 71 | } |
| 72 | for (c = cmds; c != NULL; c = c->b_next) |
| 73 | if (c->b_type == NOTIFY) |
| 74 | notify(tmpfile, h->b_name, c->b_args, 0); |
| 75 | } |
| 76 | if (!nflag) |
| 77 | (void) unlink(tmpfile); |
| 78 | } |
| 79 | |
| 80 | /* |
| 81 | * Create a connection to the rdist server on the machine rhost. |
| 82 | */ |
| 83 | makeconn(rhost) |
| 84 | char *rhost; |
| 85 | { |
| 86 | register char *ruser; |
| 87 | extern char user[]; |
| 88 | |
| 89 | (void) sprintf(buf, "/usr/local/rdist -Server%s%s", |
| 90 | nflag ? " -n" : "", qflag ? " -q" : ""); |
| 91 | |
| 92 | ruser = rindex(rhost, '.'); |
| 93 | if (ruser != NULL) { |
| 94 | *ruser++ = '\0'; |
| 95 | if (!okname(ruser)) |
| 96 | return(0); |
| 97 | } else |
| 98 | ruser = user; |
| 99 | |
| 100 | if (debug) { |
| 101 | printf("makeconn(%s)\n", rhost); |
| 102 | printf("luser = %s, ruser = %s\n", user, ruser); |
| 103 | printf("buf = %s\n", buf); |
| 104 | } |
| 105 | |
| 106 | fflush(stdout); |
| 107 | rem = rcmd(&rhost, IPPORT_CMDSERVER, user, ruser, buf, 0); |
| 108 | if (rem < 0) |
| 109 | return(0); |
| 110 | if (response() < 0) |
| 111 | return(0); |
| 112 | return(1); |
| 113 | } |
| 114 | |
| 115 | /* |
| 116 | * Update the file(s) if they are different. |
| 117 | * destdir = 1 if destination should be a directory |
| 118 | * (i.e., more than one source is being copied to the same destination). |
| 119 | */ |
| 120 | install(src, dest, destdir, opts) |
| 121 | char *src, *dest; |
| 122 | int destdir, opts; |
| 123 | { |
| 124 | register char *cp; |
| 125 | |
| 126 | if (exclude(src)) |
| 127 | return; |
| 128 | |
| 129 | if (nflag || debug) { |
| 130 | printf("%s%s%s%s %s %s\n", opts & VERIFY ? "verify":"install", |
| 131 | opts & WHOLE ? " -w" : "", |
| 132 | opts & YOUNGER ? " -y" : "", |
| 133 | opts & REMOVE ? " -r" : "", src, dest); |
| 134 | if (nflag) |
| 135 | return; |
| 136 | } |
| 137 | /* |
| 138 | * Pass the destination file/directory name to remote. |
| 139 | */ |
| 140 | (void) sprintf(buf, "%c%s\n", destdir ? 'T' : 't', dest); |
| 141 | if (debug) |
| 142 | printf("buf = %s", buf); |
| 143 | (void) write(rem, buf, strlen(buf)); |
| 144 | |
| 145 | if (!destdir && (opts & WHOLE)) |
| 146 | opts |= STRIP; |
| 147 | if (opts & REMOVE) { |
| 148 | opts &= ~REMOVE; |
| 149 | rmchk(src, NULL, opts); |
| 150 | } |
| 151 | sendf(src, NULL, opts); |
| 152 | } |
| 153 | |
| 154 | struct tstamp { |
| 155 | time_t lastmod; |
| 156 | FILE *tfp; |
| 157 | } ts[NSTAMPS]; |
| 158 | |
| 159 | int nstamps; |
| 160 | |
| 161 | extern char target[], *tp; |
| 162 | |
| 163 | /* |
| 164 | * Process commands for comparing files to time stamp files. |
| 165 | */ |
| 166 | dofcmds(files, stamps, cmds) |
| 167 | struct block *files, *stamps, *cmds; |
| 168 | { |
| 169 | register struct block *b; |
| 170 | register struct tstamp *t; |
| 171 | register char **cpp; |
| 172 | struct timeval tv[2]; |
| 173 | struct timezone tz; |
| 174 | struct stat stb; |
| 175 | extern char *tmpinc; |
| 176 | |
| 177 | if (debug) |
| 178 | printf("dofcmds()\n"); |
| 179 | |
| 180 | files = expand(files, 0); |
| 181 | stamps = expand(stamps, 0); |
| 182 | if (files == NULL) |
| 183 | fatal("no files to be updated\n"); |
| 184 | if (stamps == NULL) |
| 185 | fatal("empty time stamp file list\n"); |
| 186 | except = cmds; |
| 187 | |
| 188 | t = ts; |
| 189 | nstamps = 0; |
| 190 | for (b = stamps; b != NULL; b = b->b_next) { |
| 191 | if (stat(b->b_name, &stb) < 0) { |
| 192 | error("%s: %s\n", b->b_name, sys_errlist[errno]); |
| 193 | continue; |
| 194 | } |
| 195 | if (++nstamps > NSTAMPS) |
| 196 | fatal("too many time stamp files in one command\n"); |
| 197 | if (debug) |
| 198 | printf("%s: %d\n", b->b_name, stb.st_mtime); |
| 199 | t->lastmod = stb.st_mtime; |
| 200 | (void) gettimeofday(&tv[0], &tz); |
| 201 | tv[1] = tv[0]; |
| 202 | (void) utimes(b->b_name, tv); |
| 203 | if (!nflag && !(options & VERIFY)) { |
| 204 | if ((t->tfp = fopen(tmpfile, "w")) == NULL) |
| 205 | error("%s: %s\n", b->b_name, sys_errlist[errno]); |
| 206 | (*tmpinc)++; |
| 207 | } else |
| 208 | t->tfp = NULL; |
| 209 | t++; |
| 210 | } |
| 211 | |
| 212 | for (b = files; b != NULL; b = b->b_next) { |
| 213 | if (filec) { |
| 214 | for (cpp = filev; *cpp; cpp++) |
| 215 | if (!strcmp(b->b_name, *cpp)) |
| 216 | goto found; |
| 217 | continue; |
| 218 | } |
| 219 | found: |
| 220 | tp = NULL; |
| 221 | cmptime(b->b_name); |
| 222 | } |
| 223 | |
| 224 | *tmpinc = 'A'; |
| 225 | for (t = ts; t < &ts[nstamps]; t++) { |
| 226 | if (t->tfp != NULL) |
| 227 | (void) fclose(t->tfp); |
| 228 | for (b = cmds; b != NULL; b = b->b_next) |
| 229 | if (b->b_type == NOTIFY) |
| 230 | notify(tmpfile, NULL, b->b_args, t->lastmod); |
| 231 | if (!nflag && !(options & VERIFY)) |
| 232 | (void) unlink(tmpfile); |
| 233 | (*tmpinc)++; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | /* |
| 238 | * Compare the mtime of file to the list of time stamps. |
| 239 | */ |
| 240 | cmptime(name) |
| 241 | char *name; |
| 242 | { |
| 243 | register struct tstamp *t; |
| 244 | struct stat stb; |
| 245 | |
| 246 | if (debug) |
| 247 | printf("cmptime(%s)\n", name); |
| 248 | |
| 249 | if (exclude(name)) |
| 250 | return; |
| 251 | |
| 252 | /* |
| 253 | * first time cmptime() is called? |
| 254 | */ |
| 255 | if (tp == NULL) { |
| 256 | exptilde(target, name); |
| 257 | tp = name = target; |
| 258 | while (*tp) |
| 259 | tp++; |
| 260 | } |
| 261 | if (access(name, 4) < 0 || stat(name, &stb) < 0) { |
| 262 | error("%s: %s\n", name, sys_errlist[errno]); |
| 263 | return; |
| 264 | } |
| 265 | |
| 266 | switch (stb.st_mode & S_IFMT) { |
| 267 | case S_IFREG: |
| 268 | break; |
| 269 | |
| 270 | case S_IFDIR: |
| 271 | rcmptime(&stb); |
| 272 | return; |
| 273 | |
| 274 | default: |
| 275 | error("%s: not a plain file\n", name); |
| 276 | return; |
| 277 | } |
| 278 | |
| 279 | for (t = ts; t < &ts[nstamps]; t++) { |
| 280 | if (stb.st_mtime > t->lastmod) |
| 281 | log(t->tfp, "new: %s\n", name); |
| 282 | } |
| 283 | } |
| 284 | |
| 285 | rcmptime(st) |
| 286 | struct stat *st; |
| 287 | { |
| 288 | register DIR *d; |
| 289 | register struct direct *dp; |
| 290 | register char *cp; |
| 291 | char *otp; |
| 292 | int len; |
| 293 | |
| 294 | if (debug) |
| 295 | printf("rcmptime(%x)\n", st); |
| 296 | |
| 297 | if ((d = opendir(target)) == NULL) { |
| 298 | error("%s: %s\n", target, sys_errlist[errno]); |
| 299 | return; |
| 300 | } |
| 301 | otp = tp; |
| 302 | len = tp - target; |
| 303 | while (dp = readdir(d)) { |
| 304 | if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, "..")) |
| 305 | continue; |
| 306 | if (len + 1 + strlen(dp->d_name) >= BUFSIZ - 1) { |
| 307 | error("%s/%s: Name too long\n", target, dp->d_name); |
| 308 | continue; |
| 309 | } |
| 310 | tp = otp; |
| 311 | *tp++ = '/'; |
| 312 | cp = dp->d_name; |
| 313 | while (*tp++ = *cp++) |
| 314 | ; |
| 315 | tp--; |
| 316 | cmptime(target); |
| 317 | } |
| 318 | closedir(d); |
| 319 | tp = otp; |
| 320 | *tp = '\0'; |
| 321 | } |
| 322 | |
| 323 | /* |
| 324 | * Notify the list of people the changes that were made. |
| 325 | * rhost == NULL if we are mailing a list of changes compared to at time |
| 326 | * stamp file. |
| 327 | */ |
| 328 | notify(file, rhost, to, lmod) |
| 329 | char *file, *rhost; |
| 330 | register struct block *to; |
| 331 | time_t lmod; |
| 332 | { |
| 333 | register int fd, len; |
| 334 | FILE *pf, *popen(); |
| 335 | struct stat stb; |
| 336 | |
| 337 | if (options & VERIFY) |
| 338 | return; |
| 339 | if (!qflag) { |
| 340 | printf("notify "); |
| 341 | if (rhost) |
| 342 | printf("@%s ", rhost); |
| 343 | prnames(to); |
| 344 | } |
| 345 | if (nflag) |
| 346 | return; |
| 347 | |
| 348 | if ((fd = open(file, 0)) < 0) { |
| 349 | error("%s: %s\n", file, sys_errlist[errno]); |
| 350 | return; |
| 351 | } |
| 352 | if (fstat(fd, &stb) < 0) { |
| 353 | error("%s: %s\n", file, sys_errlist[errno]); |
| 354 | (void) close(fd); |
| 355 | return; |
| 356 | } |
| 357 | if (stb.st_size == 0) { |
| 358 | (void) close(fd); |
| 359 | return; |
| 360 | } |
| 361 | /* |
| 362 | * Create a pipe to mailling program. |
| 363 | */ |
| 364 | pf = popen(MAILCMD, "w"); |
| 365 | if (pf == NULL) { |
| 366 | error("notify: \"%s\" failed\n", MAILCMD); |
| 367 | (void) close(fd); |
| 368 | return; |
| 369 | } |
| 370 | /* |
| 371 | * Output the proper header information. |
| 372 | */ |
| 373 | fprintf(pf, "From: rdist (Remote distribution program)\n"); |
| 374 | fprintf(pf, "To:"); |
| 375 | if (!any('@', to->b_name) && host != NULL) |
| 376 | fprintf(pf, " %s@%s", to->b_name, rhost); |
| 377 | else |
| 378 | fprintf(pf, " %s", to->b_name); |
| 379 | to = to->b_next; |
| 380 | while (to != NULL) { |
| 381 | if (!any('@', to->b_name) && host != NULL) |
| 382 | fprintf(pf, ", %s@%s", to->b_name, rhost); |
| 383 | else |
| 384 | fprintf(pf, ", %s", to->b_name); |
| 385 | to = to->b_next; |
| 386 | } |
| 387 | putc('\n', pf); |
| 388 | if (rhost != NULL) |
| 389 | fprintf(pf, "Subject: files updated by rdist from %s to %s\n", |
| 390 | host, rhost); |
| 391 | else |
| 392 | fprintf(pf, "Subject: files updated after %s\n", ctime(&lmod)); |
| 393 | putc('\n', pf); |
| 394 | |
| 395 | while ((len = read(fd, buf, BUFSIZ)) > 0) |
| 396 | (void) fwrite(buf, 1, len, pf); |
| 397 | (void) close(fd); |
| 398 | (void) pclose(pf); |
| 399 | } |
| 400 | |
| 401 | struct block *except; /* list of files to exclude */ |
| 402 | |
| 403 | /* |
| 404 | * Return true if name is in list. |
| 405 | */ |
| 406 | exclude(file) |
| 407 | char *file; |
| 408 | { |
| 409 | register struct block *b, *c; |
| 410 | |
| 411 | for (c = except; c != NULL; c = c->b_next) { |
| 412 | if (c->b_type != EXCEPT) |
| 413 | continue; |
| 414 | for (b = c->b_args; b != NULL; b = b->b_next) |
| 415 | if (!strcmp(file, b->b_name)) |
| 416 | return(1); |
| 417 | } |
| 418 | return(0); |
| 419 | } |
| 420 | |
| 421 | okname(name) |
| 422 | register char *name; |
| 423 | { |
| 424 | register char *cp = name; |
| 425 | register int c; |
| 426 | |
| 427 | do { |
| 428 | c = *cp; |
| 429 | if (c & 0200) |
| 430 | goto bad; |
| 431 | if (!isalpha(c) && !isdigit(c) && c != '_' && c != '-') |
| 432 | goto bad; |
| 433 | cp++; |
| 434 | } while (*cp); |
| 435 | return(1); |
| 436 | bad: |
| 437 | error("invalid user name %s\n", name); |
| 438 | return(0); |
| 439 | } |
| 440 | |
| 441 | char * |
| 442 | colon(cp) |
| 443 | register char *cp; |
| 444 | { |
| 445 | |
| 446 | while (*cp) { |
| 447 | if (*cp == ':') |
| 448 | return(cp); |
| 449 | if (*cp == '/') |
| 450 | return(0); |
| 451 | cp++; |
| 452 | } |
| 453 | return(0); |
| 454 | } |