| 1 | /*$Id: ezmlm-warn.c,v 1.27 1999/08/07 20:47:26 lindberg Exp $*/ |
| 2 | /*$Name: ezmlm-idx-040 $*/ |
| 3 | #include <sys/types.h> |
| 4 | #include <sys/stat.h> |
| 5 | #include "direntry.h" |
| 6 | #include "readwrite.h" |
| 7 | #include "getln.h" |
| 8 | #include "substdio.h" |
| 9 | #include "stralloc.h" |
| 10 | #include "slurp.h" |
| 11 | #include "sgetopt.h" |
| 12 | #include "getconf.h" |
| 13 | #include "byte.h" |
| 14 | #include "error.h" |
| 15 | #include "str.h" |
| 16 | #include "strerr.h" |
| 17 | #include "sig.h" |
| 18 | #include "now.h" |
| 19 | #include "datetime.h" |
| 20 | #include "date822fmt.h" |
| 21 | #include "fmt.h" |
| 22 | #include "cookie.h" |
| 23 | #include "qmail.h" |
| 24 | #include "errtxt.h" |
| 25 | #include "mime.h" |
| 26 | #include "idx.h" |
| 27 | #include "subscribe.h" |
| 28 | |
| 29 | #define FATAL "ezmlm-warn: fatal: " |
| 30 | void die_usage() |
| 31 | { |
| 32 | strerr_die1x(100,"ezmlm-warn: usage: ezmlm-warn -dD -l secs -t days dir"); |
| 33 | } |
| 34 | |
| 35 | void die_nomem() { strerr_die2x(111,FATAL,ERR_NOMEM); } |
| 36 | |
| 37 | stralloc key = {0}; |
| 38 | stralloc outhost = {0}; |
| 39 | stralloc outlocal = {0}; |
| 40 | stralloc mailinglist = {0}; |
| 41 | stralloc digdir = {0}; |
| 42 | stralloc charset = {0}; |
| 43 | char boundary[COOKIE]; |
| 44 | |
| 45 | substdio ssout; |
| 46 | char outbuf[16]; |
| 47 | |
| 48 | unsigned long when; |
| 49 | char *dir; |
| 50 | char *workdir; |
| 51 | int flagdig = 0; |
| 52 | char flagcd = '\0'; /* default: don't use transfer encoding */ |
| 53 | stralloc fn = {0}; |
| 54 | stralloc bdname = {0}; |
| 55 | stralloc fnlasth = {0}; |
| 56 | stralloc fnlastd = {0}; |
| 57 | stralloc lasth = {0}; |
| 58 | stralloc lastd = {0}; |
| 59 | struct stat st; |
| 60 | void *psql = (void *) 0; |
| 61 | |
| 62 | void die_read() { strerr_die4sys(111,FATAL,ERR_READ,fn.s,": "); } |
| 63 | |
| 64 | void makedir(s) |
| 65 | char *s; |
| 66 | { |
| 67 | if (mkdir(s,0755) == -1) |
| 68 | if (errno != error_exist) |
| 69 | strerr_die4x(111,FATAL,ERR_CREATE,s,": "); |
| 70 | } |
| 71 | |
| 72 | char inbuf[1024]; |
| 73 | substdio ssin; |
| 74 | char textbuf[1024]; |
| 75 | substdio sstext; |
| 76 | |
| 77 | stralloc addr = {0}; |
| 78 | char strnum[FMT_ULONG]; |
| 79 | char hash[COOKIE]; |
| 80 | stralloc fnhash = {0}; |
| 81 | stralloc quoted = {0}; |
| 82 | stralloc line = {0}; |
| 83 | stralloc qline = {0}; |
| 84 | |
| 85 | struct qmail qq; |
| 86 | int qqwrite(fd,buf,len) int fd; char *buf; unsigned int len; |
| 87 | { |
| 88 | qmail_put(&qq,buf,len); |
| 89 | return len; |
| 90 | } |
| 91 | char qqbuf[1]; |
| 92 | substdio ssqq = SUBSTDIO_FDBUF(qqwrite,-1,qqbuf,sizeof(qqbuf)); |
| 93 | struct datetime dt; |
| 94 | char date[DATE822FMT]; |
| 95 | |
| 96 | void code_qput(s,n) |
| 97 | char *s; |
| 98 | unsigned int n; |
| 99 | { |
| 100 | if (!flagcd) |
| 101 | qmail_put(&qq,s,n); |
| 102 | else { |
| 103 | if (flagcd == 'B') |
| 104 | encodeB(s,n,&qline,0,FATAL); |
| 105 | else |
| 106 | encodeQ(s,n,&qline,FATAL); |
| 107 | qmail_put(&qq,qline.s,qline.len); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | void doit(flagw) |
| 112 | int flagw; |
| 113 | { |
| 114 | unsigned int i; |
| 115 | int fd; |
| 116 | int match; |
| 117 | int fdhash; |
| 118 | char *err; |
| 119 | datetime_sec msgwhen; |
| 120 | |
| 121 | fd = open_read(fn.s); |
| 122 | if (fd == -1) die_read(); |
| 123 | substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf)); |
| 124 | |
| 125 | if (getln(&ssin,&addr,&match,'\0') == -1) die_read(); |
| 126 | if (!match) { close(fd); return; } |
| 127 | if (!issub(workdir,addr.s,(char *) 0,FATAL)) { close(fd); |
| 128 | /*XXX*/unlink(fn.s); return; } |
| 129 | cookie(hash,"",0,"",addr.s,""); |
| 130 | if (!stralloc_copys(&fnhash,workdir)) die_nomem(); |
| 131 | if (!stralloc_cats(&fnhash,"/bounce/h/")) die_nomem(); |
| 132 | if (!stralloc_catb(&fnhash,hash,1)) die_nomem(); |
| 133 | if (!stralloc_cats(&fnhash,"/h")) die_nomem(); |
| 134 | if (!stralloc_catb(&fnhash,hash+1,COOKIE-1)) die_nomem(); |
| 135 | if (!stralloc_0(&fnhash)) die_nomem(); |
| 136 | |
| 137 | if (qmail_open(&qq, (stralloc *) 0) == -1) |
| 138 | strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE); |
| 139 | |
| 140 | msgwhen = now(); |
| 141 | qmail_puts(&qq,"Mailing-List: "); |
| 142 | qmail_put(&qq,mailinglist.s,mailinglist.len); |
| 143 | if (getconf_line(&line,"listid",0,FATAL,dir)) { |
| 144 | qmail_puts(&qq,"\nList-ID: "); |
| 145 | qmail_put(&qq,line.s,line.len); |
| 146 | } |
| 147 | qmail_puts(&qq,"\nDate: "); |
| 148 | datetime_tai(&dt,msgwhen); |
| 149 | qmail_put(&qq,date,date822fmt(date,&dt)); |
| 150 | if (!stralloc_copys(&line,"Message-ID: <")) die_nomem(); |
| 151 | if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,(unsigned long) msgwhen))) |
| 152 | die_nomem(); |
| 153 | if (!stralloc_cats(&line,".")) die_nomem(); |
| 154 | if (!stralloc_catb(&line,strnum,fmt_ulong(strnum,(unsigned long) getpid()))) |
| 155 | die_nomem(); |
| 156 | if (!stralloc_cats(&line,".ezmlm-warn@")) die_nomem(); |
| 157 | if (!stralloc_catb(&line,outhost.s,outhost.len)) die_nomem(); |
| 158 | qmail_put(&qq,line.s,line.len); |
| 159 | if (flagcd) { |
| 160 | if (!stralloc_0(&line)) die_nomem(); |
| 161 | cookie(boundary,"",0,"",line.s,""); /* universal MIME boundary */ |
| 162 | } |
| 163 | qmail_puts(&qq,">\nFrom: "); |
| 164 | if (!quote("ed,&outlocal)) die_nomem(); |
| 165 | qmail_put(&qq,quoted.s,quoted.len); |
| 166 | qmail_puts(&qq,"-help@"); |
| 167 | qmail_put(&qq,outhost.s,outhost.len); |
| 168 | qmail_puts(&qq,"\nTo: "); |
| 169 | if (!quote2("ed,addr.s)) die_nomem(); |
| 170 | qmail_put(&qq,quoted.s,quoted.len); |
| 171 | if (flagcd) { /* to accomodate transfer-encoding */ |
| 172 | qmail_puts(&qq,"\nMIME-Version: 1.0\n"); |
| 173 | qmail_puts(&qq,"Content-Type: multipart/mixed; boundary="); |
| 174 | qmail_put(&qq,boundary,COOKIE); |
| 175 | } else { |
| 176 | qmail_puts(&qq,"\nContent-type: text/plain; charset="); |
| 177 | qmail_puts(&qq,charset.s); |
| 178 | } |
| 179 | qmail_puts(&qq,flagw ? "\nSubject: ezmlm probe\n" : "\nSubject: ezmlm warning\n"); |
| 180 | |
| 181 | if (flagcd) { /* first part for QP/base64 multipart msg */ |
| 182 | qmail_puts(&qq,"\n\n--"); |
| 183 | qmail_put(&qq,boundary,COOKIE); |
| 184 | qmail_puts(&qq,"\nContent-Type: text/plain; charset="); |
| 185 | qmail_puts(&qq,charset.s); |
| 186 | qmail_puts(&qq,"\nContent-Transfer-Encoding: "); |
| 187 | if (flagcd == 'Q') |
| 188 | qmail_puts(&qq,"Quoted-printable\n\n"); |
| 189 | else |
| 190 | qmail_puts(&qq,"base64\n\n"); |
| 191 | } else |
| 192 | qmail_puts(&qq,"\n"); |
| 193 | |
| 194 | copy(&qq,"text/top",flagcd,FATAL); |
| 195 | copy(&qq,flagw ? "text/bounce-probe" : "text/bounce-warn",flagcd,FATAL); |
| 196 | |
| 197 | if (!flagw) { |
| 198 | if (flagdig) |
| 199 | copy(&qq,"text/dig-bounce-num",flagcd,FATAL); |
| 200 | else |
| 201 | copy(&qq,"text/bounce-num",flagcd,FATAL); |
| 202 | if (!flagcd) { |
| 203 | fdhash = open_read(fnhash.s); |
| 204 | if (fdhash == -1) { |
| 205 | if (errno != error_noent) |
| 206 | strerr_die4sys(111,FATAL,ERR_OPEN,fnhash.s,": "); |
| 207 | } else { |
| 208 | substdio_fdbuf(&sstext,read,fdhash,textbuf,sizeof(textbuf)); |
| 209 | for(;;) { |
| 210 | if (getln(&sstext,&line,&match,'\n') == -1) |
| 211 | strerr_die4sys(111,FATAL,ERR_READ,fnhash.s,": "); |
| 212 | if (!match) break; |
| 213 | code_qput(line.s,line.len); |
| 214 | } |
| 215 | } |
| 216 | close(fdhash); |
| 217 | } else { |
| 218 | if (!stralloc_copys(&line,"")) die_nomem(); /* slurp adds! */ |
| 219 | if (slurp(fnhash.s,&line,256) < 0) |
| 220 | strerr_die4sys(111,FATAL,ERR_OPEN,fnhash.s,": "); |
| 221 | code_qput(line.s,line.len); |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | copy(&qq,"text/bounce-bottom",flagcd,FATAL); |
| 226 | if (flagcd) { |
| 227 | if (flagcd == 'B') { |
| 228 | encodeB("",0,&line,2,FATAL); |
| 229 | qmail_put(&qq,line.s,line.len); /* flush */ |
| 230 | } |
| 231 | qmail_puts(&qq,"\n\n--"); |
| 232 | qmail_put(&qq,boundary,COOKIE); |
| 233 | qmail_puts(&qq,"\nContent-Type: message/rfc822\n\n"); |
| 234 | } |
| 235 | if (substdio_copy(&ssqq,&ssin) < 0) die_read(); |
| 236 | close(fd); |
| 237 | |
| 238 | if (flagcd) { /* end multipart/mixed */ |
| 239 | qmail_puts(&qq,"\n--"); |
| 240 | qmail_put(&qq,boundary,COOKIE); |
| 241 | qmail_puts(&qq,"--\n"); |
| 242 | } |
| 243 | |
| 244 | strnum[fmt_ulong(strnum,when)] = 0; |
| 245 | cookie(hash,key.s,key.len,strnum,addr.s,flagw ? "P" : "W"); |
| 246 | if (!stralloc_copy(&line,&outlocal)) die_nomem(); |
| 247 | if (!stralloc_cats(&line,flagw ? "-return-probe-" : "-return-warn-")) |
| 248 | die_nomem(); |
| 249 | if (!stralloc_cats(&line,strnum)) die_nomem(); |
| 250 | if (!stralloc_cats(&line,".")) die_nomem(); |
| 251 | if (!stralloc_catb(&line,hash,COOKIE)) die_nomem(); |
| 252 | if (!stralloc_cats(&line,"-")) die_nomem(); |
| 253 | i = str_chr(addr.s,'@'); |
| 254 | if (!stralloc_catb(&line,addr.s,i)) die_nomem(); |
| 255 | if (addr.s[i]) { |
| 256 | if (!stralloc_cats(&line,"=")) die_nomem(); |
| 257 | if (!stralloc_cats(&line,addr.s + i + 1)) die_nomem(); |
| 258 | } |
| 259 | if (!stralloc_cats(&line,"@")) die_nomem(); |
| 260 | if (!stralloc_cat(&line,&outhost)) die_nomem(); |
| 261 | if (!stralloc_0(&line)) die_nomem(); |
| 262 | qmail_from(&qq,line.s); |
| 263 | |
| 264 | qmail_to(&qq,addr.s); |
| 265 | if (*(err = qmail_close(&qq)) != '\0') |
| 266 | strerr_die3x(111,FATAL,ERR_TMP_QMAIL_QUEUE, err + 1); |
| 267 | |
| 268 | strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0; |
| 269 | strerr_warn2("ezmlm-warn: info: qp ",strnum,0); |
| 270 | |
| 271 | if (!flagw) { |
| 272 | if (unlink(fnhash.s) == -1) |
| 273 | if (errno != error_noent) |
| 274 | strerr_die4sys(111,FATAL,ERR_DELETE,fnhash.s,": "); |
| 275 | } |
| 276 | if (unlink(fn.s) == -1) |
| 277 | strerr_die4sys(111,FATAL,ERR_DELETE,fn.s,": "); |
| 278 | } |
| 279 | |
| 280 | void main(argc,argv) |
| 281 | int argc; |
| 282 | char **argv; |
| 283 | { |
| 284 | DIR *bouncedir, *bsdir, *hdir; |
| 285 | direntry *d, *ds; |
| 286 | unsigned long bouncedate; |
| 287 | unsigned long bouncetimeout = BOUNCE_TIMEOUT; |
| 288 | unsigned long lockout = 0L; |
| 289 | unsigned long ld; |
| 290 | unsigned long ddir,dfile; |
| 291 | int fdlock,fd; |
| 292 | char *err; |
| 293 | int opt; |
| 294 | char ch; |
| 295 | |
| 296 | (void) umask(022); |
| 297 | sig_pipeignore(); |
| 298 | when = (unsigned long) now(); |
| 299 | while ((opt = getopt(argc,argv,"dDl:t:vV")) != opteof) |
| 300 | switch(opt) { |
| 301 | case 'd': flagdig = 1; break; |
| 302 | case 'D': flagdig = 0; break; |
| 303 | case 'l': |
| 304 | if (optarg) { /* lockout in seconds */ |
| 305 | (void) scan_ulong(optarg,&lockout); |
| 306 | } |
| 307 | break; |
| 308 | case 't': |
| 309 | if (optarg) { /* bouncetimeout in days */ |
| 310 | (void) scan_ulong(optarg,&bouncetimeout); |
| 311 | bouncetimeout *= 3600L * 24L; |
| 312 | } |
| 313 | break; |
| 314 | case 'v': |
| 315 | case 'V': strerr_die2x(0, |
| 316 | "ezmlm-warn version: ezmlm-0.53+",EZIDX_VERSION); |
| 317 | default: |
| 318 | die_usage(); |
| 319 | } |
| 320 | dir = argv[optind]; |
| 321 | if (!dir) die_usage(); |
| 322 | if (chdir(dir) == -1) |
| 323 | strerr_die4sys(111,FATAL,ERR_SWITCH,dir,": "); |
| 324 | if (flagdig) { |
| 325 | if (!stralloc_copys(&digdir,dir)) die_nomem(); |
| 326 | if (!stralloc_cats(&digdir,"/digest")) die_nomem(); |
| 327 | if (!stralloc_0(&digdir)) die_nomem(); |
| 328 | workdir = digdir.s; |
| 329 | } else |
| 330 | workdir = dir; |
| 331 | |
| 332 | if (!stralloc_copys(&fnlastd,workdir)) die_nomem(); |
| 333 | if (!stralloc_cats(&fnlastd,"/bounce/lastd")) die_nomem(); |
| 334 | if (!stralloc_0(&fnlastd)) die_nomem(); |
| 335 | if (slurp(fnlastd.s,&lastd,16) == -1) /* last time d was scanned */ |
| 336 | strerr_die4sys(111,FATAL,ERR_READ,fnlastd.s,": "); |
| 337 | if (!stralloc_0(&lastd)) die_nomem(); |
| 338 | (void) scan_ulong(lastd.s,&ld); |
| 339 | if (!lockout) |
| 340 | lockout = bouncetimeout / 50; /* 5.6 h for default timeout */ |
| 341 | if (ld + lockout > when && ld < when) |
| 342 | _exit(0); /* exit silently. Second check is to prevent lockup */ |
| 343 | /* if lastd gets corrupted */ |
| 344 | |
| 345 | if (!stralloc_copy(&fnlasth,&fnlastd)) die_nomem(); |
| 346 | fnlasth.s[fnlasth.len - 2] = 'h'; /* bad, but feels good ... */ |
| 347 | |
| 348 | switch(slurp("key",&key,32)) { |
| 349 | case -1: |
| 350 | strerr_die4sys(111,FATAL,ERR_READ,dir,"/key: "); |
| 351 | case 0: |
| 352 | strerr_die4x(100,FATAL,dir,"/key",ERR_NOEXIST); |
| 353 | } |
| 354 | getconf_line(&outhost,"outhost",1,FATAL,dir); |
| 355 | getconf_line(&outlocal,"outlocal",1,FATAL,dir); |
| 356 | if (flagdig) |
| 357 | if (!stralloc_cats(&outlocal,"-digest")) die_nomem(); |
| 358 | getconf_line(&mailinglist,"mailinglist",1,FATAL,dir); |
| 359 | if (getconf_line(&charset,"charset",0,FATAL,dir)) { |
| 360 | if (charset.len >= 2 && charset.s[charset.len - 2] == ':') { |
| 361 | if (charset.s[charset.len - 1] == 'B' || |
| 362 | charset.s[charset.len - 1] == 'Q') { |
| 363 | flagcd = charset.s[charset.len - 1]; |
| 364 | charset.s[charset.len - 2] = '\0'; |
| 365 | } |
| 366 | } |
| 367 | } else |
| 368 | if (!stralloc_copys(&charset,TXT_DEF_CHARSET)) die_nomem(); |
| 369 | if (!stralloc_0(&charset)) die_nomem(); |
| 370 | |
| 371 | set_cpoutlocal(&outlocal); /* for copy */ |
| 372 | set_cpouthost(&outhost); /* for copy */ |
| 373 | ddir = when / 10000; |
| 374 | dfile = when - 10000 * ddir; |
| 375 | |
| 376 | if (!stralloc_copys(&line,workdir)) die_nomem(); |
| 377 | if (!stralloc_cats(&line,"/lockbounce")) die_nomem(); |
| 378 | if (!stralloc_0(&line)) die_nomem(); |
| 379 | fdlock = open_append(line.s); |
| 380 | if (fdlock == -1) |
| 381 | strerr_die4sys(111,FATAL,ERR_OPEN,line.s,": "); |
| 382 | if (lock_ex(fdlock) == -1) |
| 383 | strerr_die4sys(111,FATAL,ERR_OBTAIN,line.s,": "); |
| 384 | |
| 385 | if (!stralloc_copys(&line,workdir)) die_nomem(); |
| 386 | if (!stralloc_cats(&line,"/bounce/d")) die_nomem(); |
| 387 | if (!stralloc_0(&line)) die_nomem(); |
| 388 | bouncedir = opendir(line.s); |
| 389 | if (!bouncedir) |
| 390 | if (errno != error_noent) |
| 391 | strerr_die4sys(111,FATAL,ERR_OPEN,line.s,": "); |
| 392 | else |
| 393 | _exit(0); /* no bouncedir - no bounces! */ |
| 394 | |
| 395 | while ((d = readdir(bouncedir))) { /* dxxx/ */ |
| 396 | if (str_equal(d->d_name,".")) continue; |
| 397 | if (str_equal(d->d_name,"..")) continue; |
| 398 | |
| 399 | scan_ulong(d->d_name,&bouncedate); |
| 400 | /* since we do entire dir, we do files that are not old enough. */ |
| 401 | /* to not do this and accept a delay of 10000s (2.8h) of the oldest */ |
| 402 | /* bounce we add to bouncedate. We don't if bouncetimeout=0 so that */ |
| 403 | /* that setting still processes _all_ bounces. */ |
| 404 | if (bouncetimeout) ++bouncedate; |
| 405 | if (when >= bouncedate * 10000 + bouncetimeout) { |
| 406 | if (!stralloc_copys(&bdname,workdir)) die_nomem(); |
| 407 | if (!stralloc_cats(&bdname,"/bounce/d/")) die_nomem(); |
| 408 | if (!stralloc_cats(&bdname,d->d_name)) die_nomem(); |
| 409 | if (!stralloc_0(&bdname)) die_nomem(); |
| 410 | bsdir = opendir(bdname.s); |
| 411 | if (!bsdir) { |
| 412 | if (errno != error_notdir) |
| 413 | strerr_die4sys(111,FATAL,ERR_OPEN,bdname.s,":y "); |
| 414 | else { /* leftover nnnnn_dmmmmm file */ |
| 415 | if (unlink(bdname.s) == -1) |
| 416 | strerr_die4sys(111,FATAL,ERR_DELETE,bdname.s,": "); |
| 417 | continue; |
| 418 | } |
| 419 | } |
| 420 | while ((ds = readdir(bsdir))) { /* dxxxx/yyyy */ |
| 421 | if (str_equal(ds->d_name,".")) continue; |
| 422 | if (str_equal(ds->d_name,"..")) continue; |
| 423 | if (!stralloc_copy(&fn,&bdname)) die_nomem(); /* '\0' at end */ |
| 424 | fn.s[fn.len - 1] = '/'; |
| 425 | if (!stralloc_cats(&fn,ds->d_name)) die_nomem(); |
| 426 | if (!stralloc_0(&fn)) die_nomem(); |
| 427 | if ((ds->d_name[0] == 'd') || (ds->d_name[0] == 'w')) |
| 428 | doit(ds->d_name[0] == 'w'); |
| 429 | else /* other stuff is junk */ |
| 430 | if (unlink(fn.s) == -1) |
| 431 | strerr_die4sys(111,FATAL,ERR_DELETE,fn.s,": "); |
| 432 | } |
| 433 | closedir(bsdir); |
| 434 | if (rmdir(bdname.s) == -1) /* the directory itself */ |
| 435 | if (errno != error_noent) |
| 436 | strerr_die4sys(111,FATAL,ERR_DELETE,bdname.s,": "); |
| 437 | } |
| 438 | } |
| 439 | closedir(bouncedir); |
| 440 | |
| 441 | if (!stralloc_copy(&line,&fnlastd)) die_nomem(); |
| 442 | line.s[line.len - 2] = 'D'; |
| 443 | fd = open_trunc(line.s); /* write lastd. Do safe */ |
| 444 | /* since we read before lock*/ |
| 445 | if (fd == -1) strerr_die4sys(111,FATAL,ERR_OPEN,line.s,": "); |
| 446 | substdio_fdbuf(&ssout,write,fd,outbuf,sizeof(outbuf)); |
| 447 | if (substdio_put(&ssout,strnum,fmt_ulong(strnum,when)) == -1) |
| 448 | strerr_die4sys(111,FATAL,ERR_WRITE,line.s,": "); |
| 449 | if (substdio_put(&ssout,"\n",1) == -1) /* prettier */ |
| 450 | strerr_die4sys(111,FATAL,ERR_WRITE,line.s,": "); |
| 451 | if (substdio_flush(&ssout) == -1) |
| 452 | strerr_die4sys(111,FATAL,ERR_FLUSH,line.s,": "); |
| 453 | if (fsync(fd) == -1) |
| 454 | strerr_die4sys(111,FATAL,ERR_SYNC,line.s,": "); |
| 455 | if (close(fd) == -1) |
| 456 | strerr_die4sys(111,FATAL,ERR_CLOSE,line.s,": "); |
| 457 | |
| 458 | if (rename(line.s,fnlastd.s) == -1) |
| 459 | strerr_die4sys(111,FATAL,ERR_MOVE,fnlastd.s,": "); |
| 460 | |
| 461 | /* no need to do h dir cleaning more than */ |
| 462 | /* once per 1-2 days (17-30 days for all) */ |
| 463 | if (stat(fnlasth.s,&st) == -1) { |
| 464 | if (errno != error_noent) |
| 465 | strerr_die4sys(111,FATAL,ERR_STAT,fnlasth.s,": "); |
| 466 | } else if (when < st.st_mtime + 100000 && when > st.st_mtime) |
| 467 | _exit(0); /* 2nd comp to guard against corruption */ |
| 468 | |
| 469 | if (slurp(fnlasth.s,&lasth,16) == -1) /* last h cleaned */ |
| 470 | strerr_die4sys(111,FATAL,ERR_READ,fnlasth.s,": "); |
| 471 | if (!stralloc_0(&lasth)) die_nomem(); |
| 472 | ch = lasth.s[0]; /* clean h */ |
| 473 | if (ch >= 'a' && ch <= 'o') |
| 474 | ++ch; |
| 475 | else |
| 476 | ch = 'a'; |
| 477 | lasth.s[0] = ch; |
| 478 | if (!stralloc_copys(&line,workdir)) die_nomem(); |
| 479 | if (!stralloc_cats(&line,"/bounce/h/")) die_nomem(); |
| 480 | if (!stralloc_catb(&line,lasth.s,1)) die_nomem(); |
| 481 | if (!stralloc_0(&line)) die_nomem(); |
| 482 | hdir = opendir(line.s); /* clean ./h/xxxxxx */ |
| 483 | |
| 484 | if (!hdir) { |
| 485 | if (errno != error_noent) |
| 486 | strerr_die4sys(111,FATAL,ERR_OPEN,line.s,": "); |
| 487 | } else { |
| 488 | |
| 489 | while ((d = readdir(hdir))) { |
| 490 | if (str_equal(d->d_name,".")) continue; |
| 491 | if (str_equal(d->d_name,"..")) continue; |
| 492 | if (!stralloc_copys(&fn,line.s)) die_nomem(); |
| 493 | if (!stralloc_append(&fn,"/")) die_nomem(); |
| 494 | if (!stralloc_cats(&fn,d->d_name)) die_nomem(); |
| 495 | if (!stralloc_0(&fn)) die_nomem(); |
| 496 | if (stat(fn.s,&st) == -1) { |
| 497 | if (errno == error_noent) continue; |
| 498 | strerr_die4sys(111,FATAL,ERR_STAT,fn.s,": "); |
| 499 | } |
| 500 | if (when > st.st_mtime + 3 * bouncetimeout) |
| 501 | if (unlink(fn.s) == -1) |
| 502 | strerr_die4sys(111,FATAL,ERR_DELETE,fn.s,": "); |
| 503 | } |
| 504 | closedir(hdir); |
| 505 | } |
| 506 | |
| 507 | fd = open_trunc(fnlasth.s); /* write lasth */ |
| 508 | if (fd == -1) strerr_die4sys(111,FATAL,ERR_OPEN,fnlasth.s,": "); |
| 509 | substdio_fdbuf(&ssout,write,fd,outbuf,sizeof(outbuf)); |
| 510 | if (substdio_put(&ssout,lasth.s,1) == -1) |
| 511 | strerr_die4sys(111,FATAL,ERR_OPEN,fnlasth.s,": "); |
| 512 | if (substdio_put(&ssout,"\n",1) == -1) /* prettier */ |
| 513 | strerr_die4sys(111,FATAL,ERR_OPEN,fnlasth.s,": "); |
| 514 | if (substdio_flush(&ssout) == -1) |
| 515 | strerr_die4sys(111,FATAL,ERR_OPEN,fnlasth.s,": "); |
| 516 | (void) close(fd); /* no big loss. No reason to flush/sync */ |
| 517 | /* See check of ld above to guard against */ |
| 518 | /* it being corrupted and > when */ |
| 519 | |
| 520 | closesql(); |
| 521 | _exit(0); |
| 522 | } |