mdw@git.distorted.org.uk Git - ezmlm/blob - ezmlm-send.c

   1 /* $Id: ezmlm-send.c,v 1.77 1999/10/29 02:49:14 lindberg Exp $*/
   2 /* $Name: ezmlm-idx-040 $*/
   3 #include "stralloc.h"
   4 #include "subfd.h"
   5 #include "strerr.h"
   6 #include "error.h"
   7 #include "qmail.h"
   8 #include "env.h"
   9 #include "lock.h"
  10 #include "sig.h"
  11 #include "open.h"
  12 #include "getln.h"
  13 #include "case.h"
  14 #include "scan.h"
  15 #include "str.h"
  16 #include "fmt.h"
  17 #include "readwrite.h"
  18 #include "exit.h"
  19 #include "substdio.h"
  20 #include "getconf.h"
  21 #include "constmap.h"
  22 #include "byte.h"
  23 #include "sgetopt.h"
  24 #include "quote.h"
  25 #include "subscribe.h"
  26 #include "mime.h"
  27 #include "errtxt.h"
  28 #include "makehash.h"
  29 #include "cookie.h"
  30 #include "idx.h"
  31 #include "copy.h"
  32
  33 int flagnoreceived = 1;         /* suppress received headers by default. They*/
  34                                 /* are still archived. =0 => archived and */
  35                                 /* copied. */
  36 int flaglog = 1;                /* for lists with mysql support, use tags */
  37                                 /* and log traffic to the database */
  38 #define FATAL "ezmlm-send: fatal: "
  39
  40 void die_usage()
  41 {
  42   strerr_die1x(100,"ezmlm-send: usage: ezmlm-send [-cClLqQrR] [-h header] dir");
  43 }
  44 void die_nomem()
  45 {
  46   strerr_die2x(111,FATAL,ERR_NOMEM);
  47 }
  48
  49         /* for writing new index file indexn later moved to index. */
  50 substdio ssindexn;
  51 char indexnbuf[1024];
  52
  53 char strnum[FMT_ULONG];
  54 char szmsgnum[FMT_ULONG];
  55 char hash[HASHLEN];
  56
  57 stralloc fnadir = {0};
  58 stralloc fnaf = {0};
  59 stralloc fnif = {0};
  60 stralloc fnifn = {0};
  61 stralloc fnsub = {0};
  62 stralloc line = {0};
  63 stralloc qline = {0};
  64 stralloc lines = {0};
  65 stralloc subject = {0};
  66 stralloc from = {0};
  67 stralloc received = {0};
  68 stralloc prefix = {0};
  69 stralloc content = {0};
  70 stralloc boundary = {0};
  71 stralloc charset = {0};
  72 stralloc dcprefix = {0};
  73 stralloc dummy = {0};
  74 stralloc qmqpservers = {0};
  75
  76 void die_indexn()
  77 {
  78   strerr_die4x(111,FATAL,ERR_WRITE,fnifn.s,": ");
  79 }
  80
  81 void *psql = (void *) 0;
  82
  83 unsigned long innum;
  84 unsigned long outnum;
  85 unsigned long msgnum;
  86 unsigned long hash_lo = 0L;
  87 unsigned long hash_hi = 52L;
  88 unsigned long msgsize = 0L;
  89 unsigned long cumsize = 0L;     /* cumulative archive size bytes / 256 */
  90 char flagcd = '\0';             /* no transfer-encoding for trailer */
  91 char encin = '\0';
  92 int flagindexed;
  93 int flagfoundokpart;            /* Found something to pass on. If multipart */
  94                                 /* we set to 0 and then set to 1 for any */
  95                                 /* acceptable mime part. If 0 -> reject */
  96 int flagreceived;
  97 int flagprefixed;
  98 unsigned int serial = 0;
  99 int flagarchived;
 100 int fdarchive;
 101 int fdindex;
 102 int fdindexn;
 103 char hashout[COOKIE+1];
 104
 105 substdio ssarchive;
 106 char archivebuf[1024];
 107
 108 int flagsublist;
 109 stralloc sublist = {0};
 110 stralloc mailinglist = {0};
 111 stralloc outlocal = {0};
 112 stralloc outhost = {0};
 113 stralloc headerremove = {0};
 114 struct constmap headerremovemap;
 115 stralloc mimeremove = {0};
 116 struct constmap mimeremovemap;
 117 char *dir;
 118
 119 struct qmail qq;
 120 substdio ssin;
 121 char inbuf[1024];
 122 substdio ssout;
 123 char outbuf[1];
 124
 125 char textbuf[512];
 126 substdio sstext;
 127
 128 unsigned int mywrite(fd,buf,len)
 129 int fd;
 130 char *buf;
 131 unsigned int len;
 132 {
 133   qmail_put(&qq,buf,len);
 134   return len;
 135 }
 136
 137 int subto(s,l)
 138 char *s;
 139 unsigned int l;
 140 {
 141   qmail_put(&qq,"T",1);
 142   qmail_put(&qq,s,l);
 143   qmail_put(&qq,"",1);
 144   return (int) l;
 145 }
 146
 147 void die_archive()
 148 {
 149   strerr_die4sys(111,FATAL,ERR_WRITE,fnaf.s,": ");
 150 }
 151 void die_numnew()
 152 {
 153   strerr_die3sys(111,FATAL,ERR_CREATE,"numnew: ");
 154 }
 155
 156 void qa_put(buf,len) char *buf; unsigned int len;
 157 {
 158   qmail_put(&qq,buf,len);
 159   if (flagarchived)
 160     if (substdio_put(&ssarchive,buf,len) == -1) die_archive();
 161 }
 162
 163 void qa_puts(buf) char *buf;
 164 {
 165   qmail_puts(&qq,buf);
 166   if (flagarchived)
 167     if (substdio_puts(&ssarchive,buf) == -1) die_archive();
 168 }
 169
 170 int sublistmatch(sender)
 171 char *sender;
 172 {
 173   unsigned int i;
 174   unsigned int j;
 175
 176   j = str_len(sender);
 177   if (j < sublist.len) return 0;
 178
 179   i = byte_rchr(sublist.s,sublist.len,'@');
 180   if (i == sublist.len) return 1;
 181
 182   if (byte_diff(sublist.s,i,sender)) return 0;
 183   if (case_diffb(sublist.s + i,sublist.len - i,sender + j - (sublist.len - i)))
 184     return 0;
 185
 186   return 1;
 187 }
 188
 189 substdio ssnumnew;
 190 char numnewbuf[16];
 191
 192 char buf0[256];
 193 substdio ss0 = SUBSTDIO_FDBUF(read,0,buf0,sizeof(buf0));
 194
 195 void numwrite()
 196 {               /* this one deals with msgnum, not outnum! */
 197   int fd;
 198
 199   fd = open_trunc("numnew");
 200   if (fd == -1) die_numnew();
 201   substdio_fdbuf(&ssnumnew,write,fd,numnewbuf,sizeof(numnewbuf));
 202   if (substdio_put(&ssnumnew,strnum,fmt_ulong(strnum,msgnum)) == -1)
 203     die_numnew();
 204   if (substdio_puts(&ssnumnew,":") == -1) die_numnew();
 205   if (substdio_put(&ssnumnew,strnum,fmt_ulong(strnum,cumsize)) == -1)
 206     die_numnew();
 207
 208   if (substdio_puts(&ssnumnew,"\n") == -1) die_numnew();
 209   if (substdio_flush(&ssnumnew) == -1) die_numnew();
 210   if (fsync(fd) == -1) die_numnew();
 211   if (close(fd) == -1) die_numnew(); /* NFS stupidity */
 212   if (rename("numnew","num") == -1)
 213     strerr_die3sys(111,FATAL,ERR_MOVE,"numnew: ");
 214 }
 215
 216 stralloc mydtline = {0};
 217
 218 int idx_copy_insertsubject()
 219 /* copies old index file up to but not including msg, then adds a line with */
 220 /* 'sub' trimmed of reply indicators, then closes the new index and moves it*/
 221 /* to the name 'index'. Errors are dealt with directly, and if the routine  */
 222 /* returns, it was successful. 'fatal' points to a program-specific error   */
 223 /* string. Sub is not destroyed, but from is!!!                             */
 224 /* returns 1 if reply-indicators were found, 0 otherwise.                   */
 225 /* no terminal \n or \0 in any of the strallocs! */
 226 {
 227   char *cp;
 228   unsigned long idx;
 229   int match;
 230   int r;
 231   unsigned int pos;
 232
 233   if (!stralloc_copys(&fnadir,"archive/")) die_nomem();
 234   if (!stralloc_catb(&fnadir,strnum,fmt_ulong(strnum,outnum / 100)))
 235         die_nomem();
 236   if (!stralloc_copy(&fnif,&fnadir)) die_nomem();
 237   if (!stralloc_copy(&fnifn,&fnif)) die_nomem();
 238   if (!stralloc_cats(&fnif,"/index")) die_nomem();
 239   if (!stralloc_cats(&fnifn,"/indexn")) die_nomem();
 240   if (!stralloc_0(&fnif)) die_nomem();
 241   if (!stralloc_0(&fnifn)) die_nomem();
 242   if (!stralloc_0(&fnadir)) die_nomem();
 243
 244                         /* may not exists since we run before ezmlm-send */
 245   if (mkdir(fnadir.s,0755) == -1)
 246     if (errno != error_exist)
 247       strerr_die4x(111,FATAL,ERR_CREATE,fnadir.s,": ");
 248
 249                         /* Open indexn */
 250   fdindexn = open_trunc(fnifn.s);
 251   if (fdindexn == -1)
 252     strerr_die4x(111,FATAL,ERR_WRITE,fnifn.s,": ");
 253
 254                         /* set up buffers for indexn */
 255   substdio_fdbuf(&ssindexn,write,fdindexn,indexnbuf,sizeof(indexnbuf));
 256
 257   concatHDR(subject.s,subject.len,&lines,FATAL);        /* make 1 line */
 258   decodeHDR(lines.s,lines.len,&qline,charset.s,FATAL);  /* decode mime */
 259   r = unfoldHDR(qline.s,qline.len,&lines,charset.s,&dcprefix,1,FATAL);
 260                                                  /* trim mime */
 261
 262   fdindex = open_read(fnif.s);
 263   if (fdindex == -1) {
 264     if (errno != error_noent)
 265       strerr_die4x(111,FATAL,ERR_OPEN, fnif.s, ": ");
 266   } else {
 267     substdio_fdbuf(&ssin,read,fdindex,inbuf,sizeof(inbuf));
 268     for(;;) {
 269       if (getln(&ssin,&qline,&match,'\n') == -1)
 270         strerr_die4sys(111,FATAL,ERR_READ, fnif.s, ": ");
 271       if (!match)
 272         break;
 273       pos = scan_ulong(qline.s,&idx);
 274       if (!idx)                         /* "impossible!" */
 275         strerr_die2x(111,FATAL,ERR_BAD_INDEX);
 276       if (idx >= outnum)
 277         break;                          /* messages always come in order */
 278       if (substdio_put(&ssindexn,qline.s,qline.len) == -1)
 279         die_indexn();
 280       if (qline.s[pos] == ':') {        /* has author line */
 281         if (getln(&ssin,&qline,&match,'\n') == -1)
 282           strerr_die4x(111,FATAL,ERR_READ, fnif.s, ": ");
 283         if (!match && qline.s[0] != '\t')       /* "impossible! */
 284           strerr_die2x(111,FATAL,ERR_BAD_INDEX);
 285         if (substdio_put(&ssindexn,qline.s,qline.len) == -1)
 286           die_indexn();
 287       }
 288     }
 289     close(fdindex);
 290   }
 291   if (!stralloc_copyb(&qline,strnum,fmt_ulong(strnum,outnum))) die_nomem();
 292   if (!stralloc_cats(&qline,": ")) die_nomem(); /* ':' for new ver */
 293   makehash(lines.s,lines.len,hash);
 294   if (!stralloc_catb(&qline,hash,HASHLEN)) die_nomem();
 295   if (!stralloc_cats(&qline," ")) die_nomem();
 296   if (r & 1)            /* reply */
 297     if (!stralloc_cats(&qline,"Re: ")) die_nomem();
 298   if (!stralloc_cat(&qline,&lines)) die_nomem();
 299   if (!stralloc_cats(&qline,"\n\t")) die_nomem();
 300   if (!stralloc_cat(&qline,&received)) die_nomem();
 301   if (!stralloc_cats(&qline,";")) die_nomem();
 302
 303   concatHDR(from.s,from.len,&lines,FATAL);
 304   mkauthhash(lines.s,lines.len,hash);
 305
 306   if (!stralloc_catb(&qline,hash,HASHLEN)) die_nomem();
 307   if (!stralloc_cats(&qline," ")) die_nomem();
 308
 309   decodeHDR(cp,author_name(&cp,lines.s,lines.len),&from,charset.s,FATAL);
 310   (void) unfoldHDR(from.s,from.len,&lines,charset.s,&dcprefix,0,FATAL);
 311   if (!stralloc_cat(&qline,&lines)) die_nomem();
 312
 313   if (!stralloc_cats(&qline,"\n")) die_nomem();
 314   if (substdio_put(&ssindexn,qline.s,qline.len) == -1) die_indexn();
 315   if (substdio_flush(&ssindexn) == -1) die_indexn();
 316   if (fsync(fdindexn) == -1) die_indexn();
 317   if (fchmod(fdindexn,MODE_ARCHIVE | 0700) == -1) die_indexn();
 318   if (close(fdindexn) == -1) die_indexn(); /* NFS stupidity */
 319   if (rename(fnifn.s,fnif.s) == -1)
 320     strerr_die4x(111,FATAL,ERR_MOVE,fnifn.s,": ");
 321   return r;
 322 }
 323
 324 void transferenc()
 325 {
 326         if (flagcd) {
 327           qmail_puts(&qq,"\nContent-Transfer-Encoding: ");
 328           if (flagcd == 'Q')
 329             qmail_puts(&qq,"Quoted-printable\n\n");
 330           else
 331             qmail_puts(&qq,"base64\n\n");
 332         } else
 333           qmail_puts(&qq,"\n\n");
 334 }
 335
 336 void getcharset()
 337 {
 338     if (getconf_line(&charset,"charset",0,FATAL,dir)) {
 339       if (charset.len >= 2 && charset.s[charset.len - 2] == ':') {
 340         if (charset.s[charset.len - 1] == 'B' ||
 341                         charset.s[charset.len - 1] == 'Q') {
 342           flagcd = charset.s[charset.len - 1];
 343           charset.s[charset.len - 2] = '\0';
 344         }
 345       }
 346     } else
 347       if (!stralloc_copys(&charset,TXT_DEF_CHARSET)) die_nomem();
 348
 349     if (!stralloc_0(&charset)) die_nomem();
 350 }
 351
 352 void main(argc,argv)
 353 int argc;
 354 char **argv;
 355 {
 356   unsigned long subs;
 357   int fdlock;
 358   char *sender;
 359   char *mlheader = (char *) 0;
 360   char *ret;
 361   char *err;
 362   int flagmlwasthere;
 363   int flagqmqp = 0;     /* don't use qmqp by default */
 364   int flaglistid = 0;   /* no listid header added */
 365   int match;
 366   unsigned int i;
 367   int r,fd;
 368   int flaginheader;
 369   int flagbadfield;
 370   int flagbadpart;
 371   int flagseenext;
 372   int flagsubline;
 373   int flagfromline;
 374   int flagcontline;
 375   int flagarchiveonly;
 376   int flagtrailer;
 377   unsigned int pos;
 378   int opt;
 379   char *cp, *cpstart, *cpafter;
 380
 381   umask(022);
 382   sig_pipeignore();
 383
 384   while ((opt = getopt(argc,argv,"cCh:H:lLrRqQs:S:vV")) != opteof)
 385     switch(opt) {
 386       case 'c': case 'C': break;        /* ignore for backwards compat */
 387       case 'h':
 388       case 'H': mlheader = optarg;      /* Alternative sublist check header */
 389                 mlheader[str_chr(mlheader,':')] = '\0';
 390                 break;
 391       case 'l': flaglog = 1; break;
 392       case 'L': flaglog = 0; break;
 393       case 'r': flagnoreceived = 0; break;
 394       case 'R': flagnoreceived = 1; break;
 395       case 's':
 396       case 'S': pos = scan_ulong(optarg,&hash_lo);
 397                 if (!optarg[pos++]) break;
 398                 (void) scan_ulong(optarg+pos,&hash_hi);
 399                 if (hash_hi > 52L) hash_hi = 52L;
 400                 if (hash_lo > hash_hi) hash_lo = hash_hi;
 401
 402  break;
 403       case 'q': flagqmqp = 0; break;
 404       case 'Q': flagqmqp = 1; break;
 405       case 'v':
 406       case 'V': strerr_die2x(0,
 407                 "ezmlm-send version: ezmlm-0.53+",EZIDX_VERSION);
 408       default:
 409         die_usage();
 410     }
 411
 412
 413   dir = argv[optind++];
 414   if (!dir) die_usage();
 415
 416   sender = env_get("SENDER");
 417
 418   if (chdir(dir) == -1)
 419     strerr_die4sys(111,FATAL,ERR_SWITCH,dir,": ");
 420
 421   fdlock = open_append("lock");
 422   if (fdlock == -1)
 423     strerr_die4sys(111,FATAL,ERR_OPEN,dir,"/lock: ");
 424   if (lock_ex(fdlock) == -1)
 425     strerr_die4sys(111,FATAL,ERR_OBTAIN,dir,"/lock: ");
 426
 427   flagarchived = getconf_line(&line,"archived",0,FATAL,dir);
 428   flagindexed = getconf_line(&line,"indexed",0,FATAL,dir);
 429   getcharset();
 430   flagprefixed = getconf_line(&prefix,"prefix",0,FATAL,dir);
 431   if (prefix.len) {             /* encoding and serial # support */
 432                                 /* no sanity checks - you put '\n' or '\0' */
 433                                 /* into the coded string, you pay */
 434
 435     decodeHDR(prefix.s,prefix.len,&line,charset.s,FATAL);
 436     (void) unfoldHDR(line.s,line.len,&dcprefix,charset.s,&dummy,0,FATAL);
 437     if (!stralloc_copy(&dcprefix,&line)) die_nomem();
 438     serial = byte_rchr(prefix.s,prefix.len,'#');
 439   }
 440   if ((fd = open_read("text/trailer")) == -1) { /* see if there is a trailer */
 441     if (errno == error_noent) flagtrailer = 0;
 442     else strerr_die2sys(111,ERR_OPEN,"text/trailer: ");
 443   } else {
 444     close(fd);
 445     flagtrailer = 1;
 446   }
 447
 448   getconf(&mimeremove,"mimeremove",0,FATAL,dir);
 449
 450   if (getconf_line(&line,"num",0,FATAL,dir)) {  /* Now non-FATAL, def=0 */
 451     if (!stralloc_0(&line)) die_nomem();
 452     cp = line.s + scan_ulong(line.s,&msgnum);
 453     ++msgnum;
 454     if (*cp++ == ':')
 455       scan_ulong(cp,&cumsize);
 456   } else
 457     msgnum = 1L;                        /* if num not there */
 458
 459   getconf_line(&outhost,"outhost",1,FATAL,dir);
 460   getconf_line(&outlocal,"outlocal",1,FATAL,dir);
 461   set_cpoutlocal(&outlocal);
 462   set_cpouthost(&outhost);
 463   flagsublist = getconf_line(&sublist,"sublist",0,FATAL,dir);
 464
 465   if (flagqmqp) {                       /* forward compatibility ;-) */
 466     if (!stralloc_copys(&line,QMQPSERVERS)) die_nomem();
 467     if (!stralloc_cats(&line,"/0")) die_nomem();
 468     if (!stralloc_0(&line)) die_nomem();
 469     (void) getconf_line(&qmqpservers,line.s,0,FATAL,dir);
 470   }
 471
 472   getconf(&headerremove,"headerremove",1,FATAL,dir);
 473   if (!constmap_init(&headerremovemap,headerremove.s,headerremove.len,0))
 474         die_nomem();
 475
 476   if (!stralloc_copys(&mydtline,"Delivered-To: mailing list ")) die_nomem();
 477   if (!stralloc_catb(&mydtline,outlocal.s,outlocal.len)) die_nomem();
 478   if (!stralloc_cats(&mydtline,"@")) die_nomem();
 479   if (!stralloc_catb(&mydtline,outhost.s,outhost.len)) die_nomem();
 480   if (!stralloc_cats(&mydtline,"\n")) die_nomem();
 481
 482   if (sender) {
 483     if (!*sender)
 484       strerr_die2x(100,FATAL,ERR_BOUNCE);
 485     if (str_equal(sender,"#@[]"))
 486       strerr_die2x(100,FATAL,ERR_BOUNCE);
 487     if (flagsublist)
 488       if (!sublistmatch(sender))
 489         strerr_die2x(100,FATAL,ERR_NOT_PARENT);
 490   }
 491   innum = msgnum;                               /* innum = incoming */
 492   outnum = msgnum;                              /* outnum = outgoing */
 493   if (flagsublist && !flagarchived) {           /* msgnum = archive */
 494     pos = byte_rchr(sublist.s,sublist.len,'@'); /* checked in sublistmatch */
 495     if (str_start(sender+pos,"-return-"))
 496       pos += 8;
 497       pos += scan_ulong(sender+pos,&innum);
 498       if (!flagarchived && innum && sender[pos] == '-')
 499         outnum = innum;
 500   }
 501   szmsgnum[fmt_ulong(szmsgnum,outnum)] = '\0';
 502   set_cpnum(szmsgnum);                          /* for copy */
 503
 504   if (flagarchived) {
 505     if (!stralloc_copys(&fnadir,"archive/")) die_nomem();
 506     if (!stralloc_catb(&fnadir,strnum,
 507                 fmt_ulong(strnum,outnum / 100))) die_nomem();
 508     if (!stralloc_copy(&fnaf,&fnadir)) die_nomem();
 509     if (!stralloc_cats(&fnaf,"/")) die_nomem();
 510     if (!stralloc_catb(&fnaf,strnum,fmt_uint0(strnum,
 511                 (unsigned int) (outnum % 100),2))) die_nomem();
 512     if (!stralloc_0(&fnadir)) die_nomem();
 513     if (!stralloc_0(&fnaf)) die_nomem();
 514
 515     if (mkdir(fnadir.s,0755) == -1)
 516       if (errno != error_exist)
 517         strerr_die4sys(111,FATAL,ERR_CREATE,fnadir.s,": ");
 518     fdarchive = open_trunc(fnaf.s);
 519     if (fdarchive == -1)
 520       strerr_die4sys(111,FATAL,ERR_WRITE,fnaf.s,": ");
 521
 522     substdio_fdbuf(&ssarchive,write,fdarchive,archivebuf,sizeof(archivebuf));
 523                                                 /* return-path to archive */
 524     if (!stralloc_copys(&line,"Return-Path: <")) die_nomem();
 525     if (sender) {                               /* same as qmail-local */
 526       if (!quote2(&qline,sender)) die_nomem();
 527       for (i = 0;i < qline.len;++i) if (qline.s[i] == '\n') qline.s[i] = '_';
 528       if (!stralloc_cat(&line,&qline)) die_nomem();
 529     }
 530     if (!stralloc_cats(&line,">\n")) die_nomem();
 531     if (substdio_put(&ssarchive,line.s,line.len) == -1) die_archive();
 532   }
 533
 534   if (flagqmqp) {
 535     if (qmail_open(&qq,&qmqpservers) == -1)             /* open qmqp */
 536       strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE);
 537   } else if (qmail_open(&qq,(stralloc *) 0) == -1)      /* open queue */
 538       strerr_die2sys(111,FATAL,ERR_QMAIL_QUEUE);
 539
 540   if (!flagsublist) {
 541     getconf_line(&mailinglist,"mailinglist",1,FATAL,dir);
 542     qa_puts("Mailing-List: ");
 543     qa_put(mailinglist.s,mailinglist.len);
 544     if (getconf_line(&line,"listid",0,FATAL,dir)) {
 545       flaglistid = 1;
 546       qmail_puts(&qq,"\nList-ID: ");
 547       qmail_put(&qq,line.s,line.len);
 548     }
 549     qa_puts("\n");
 550   }
 551   copy(&qq,"headeradd",'H',FATAL);
 552   qa_put(mydtline.s,mydtline.len);
 553
 554   flagmlwasthere = 0;
 555   flaginheader = 1;
 556   flagfoundokpart = 1;
 557   flagbadfield = 0;
 558   flagbadpart = 0;
 559   flagseenext = 0;
 560   flagsubline = 0;
 561   flagfromline = 0;
 562   flagreceived = 0;
 563   for (;;) {
 564     if (getln(&ss0,&line,&match,'\n') == -1)
 565       strerr_die2sys(111,FATAL,ERR_READ_INPUT);
 566     if (flaginheader && match) {
 567       if (line.len == 1) {              /* end of header */
 568         flaginheader = 0;
 569         if (flagindexed)                /* std entry */
 570           r = idx_copy_insertsubject(); /* all indexed lists */
 571         if (flagprefixed && !flagsublist) {
 572           qa_puts("Subject:");
 573           if (!flagindexed) {           /* non-indexed prefixed lists */
 574             concatHDR(subject.s,subject.len,&lines,FATAL);
 575             decodeHDR(lines.s,lines.len,&qline,charset.s,FATAL);
 576             r = unfoldHDR(qline.s,qline.len,&lines,
 577                         charset.s,&dcprefix,1,FATAL);
 578           }
 579           if (!(r & 2)) {
 580             qmail_puts(&qq," ");
 581             if (serial == prefix.len)
 582               qmail_put(&qq,prefix.s,prefix.len);
 583             else {
 584               qmail_put(&qq,prefix.s,serial);
 585               qmail_puts(&qq,szmsgnum);
 586               qmail_put(&qq,prefix.s+serial+1,prefix.len-serial-1);
 587             }
 588           }
 589           qa_put(subject.s,subject.len);
 590         }
 591                 /* do other stuff to do with post header processing here */
 592         if (content.len) {              /* get MIME boundary, if exists */
 593           concatHDR(content.s,content.len,&qline,FATAL);
 594           if (!stralloc_copy(&content,&qline)) die_nomem();
 595
 596           if (flagtrailer &&            /* trailer only for some multipart */
 597                 case_startb(content.s,content.len,"multipart/"))
 598             if (!case_startb(content.s+10,content.len-10,"mixed") &&
 599                 !case_startb(content.s+10,content.len-10,"digest") &&
 600                 !case_startb(content.s+10,content.len-10,"parallel"))
 601               flagtrailer = 0;
 602
 603            cp = content.s;
 604            cpafter = cp + content.len;  /* check after each ';' */
 605            while ((cp += byte_chr(cp,cpafter-cp,';')) != cpafter) {
 606              ++cp;
 607              while (cp < cpafter &&
 608                         (*cp == ' ' || *cp == '\t' || *cp == '\n')) ++cp;
 609              if (case_startb(cp,cpafter-cp,"boundary=")) {
 610                cp += 9;                 /* after boundary= */
 611                if (*cp == '"') {        /* quoted boundary */
 612                  ++cp;
 613                  cpstart = cp;
 614                  while (cp < cpafter && *cp != '"') ++cp;
 615                  if (cp == cpafter)
 616                         strerr_die1x(100,ERR_MIME_QUOTE);
 617                } else {                 /* non-quoted boundary */
 618                  cpstart = cp;          /* find terminator of boundary */
 619                  while (cp < cpafter && *cp != ';' &&
 620                         *cp != ' ' && *cp != '\t' && *cp != '\n') ++cp;
 621                }
 622                if (!stralloc_copys(&boundary,"--")) die_nomem();
 623                if (!stralloc_catb(&boundary,cpstart,cp-cpstart))
 624                         die_nomem();
 625                  flagfoundokpart = 0;
 626                if (!constmap_init(&mimeremovemap,mimeremove.s,mimeremove.len,0))
 627                         die_nomem();
 628                flagbadpart = 1;         /* skip before first boundary */
 629                qa_puts("\n");           /* to make up for the lost '\n' */
 630             }
 631           }
 632         }
 633       } else if ((*line.s != ' ') && (*line.s != '\t')) {
 634         flagsubline = 0;
 635         flagfromline = 0;
 636         flagbadfield = 0;
 637         flagarchiveonly = 0;
 638         flagcontline = 0;
 639         if (constmap(&headerremovemap,line.s,byte_chr(line.s,line.len,':')))
 640           flagbadfield = 1;
 641         if ((flagnoreceived || !flagreceived) &&
 642                 case_startb(line.s,line.len,"Received:")) {
 643             if (!flagreceived) {                /* get date from first rec'd */
 644               flagreceived = 1;                 /* line (done by qmail) */
 645               pos = byte_chr(line.s,line.len,';');
 646               if (pos != line.len)              /* has '\n' */
 647                 if (!stralloc_copyb(&received,line.s+pos+2,line.len - pos - 3))
 648                   die_nomem();
 649             } else {                            /* suppress, but archive */
 650               flagarchiveonly = 1;              /* but do not suppress the */
 651               flagbadfield = 1;                 /* top one added by qmail */
 652             }
 653         } else if (case_startb(line.s,line.len,"Mailing-List:"))
 654           flagmlwasthere = 1;           /* sublists always ok ezmlm masters */
 655         else if (mlheader && case_startb(line.s,line.len,mlheader))
 656           flagmlwasthere = 1;           /* mlheader treated as ML */
 657         else if ((mimeremove.len || flagtrailer) &&     /* else no MIME need*/
 658                 case_startb(line.s,line.len,"Content-Type:")) {
 659           if (!stralloc_copyb(&content,line.s+13,line.len-13)) die_nomem();
 660           flagcontline = 1;
 661         } else if (case_startb(line.s,line.len,"Subject:")) {
 662           if (!stralloc_copyb(&subject,line.s+8,line.len-8)) die_nomem();
 663           flagsubline = 1;
 664           if (flagprefixed && !flagsublist)     /* don't prefix for sublists */
 665             flagbadfield = 1;                   /* we'll print our own */
 666         } else if (flagtrailer &&
 667                  case_startb(line.s,line.len,"Content-Transfer-Encoding:")) {
 668           cp = line.s + 26;
 669           cpafter = cp + line.len;
 670           while (cp < cpafter && (*cp == ' ' || *cp == '\t')) ++cp;
 671           if (case_startb(cp,cpafter-cp,"base64")) encin = 'B';
 672           else if (case_startb(cp,cpafter-cp,"Quoted-Printable")) encin = 'Q';
 673         } else if (flaglistid && case_startb(line.s,line.len,"list-id:"))
 674           flagbadfield = 1;             /* suppress if we added our own */
 675         else if (flagindexed) {
 676
 677           if (case_startb(line.s,line.len,"From:")) {
 678             flagfromline = 1;
 679             if (!stralloc_copyb(&from,line.s+5,line.len-5)) die_nomem();
 680           }
 681         } else if (line.len == mydtline.len)
 682           if (!byte_diff(line.s,line.len,mydtline.s))
 683             strerr_die2x(100,FATAL,ERR_LOOPING);
 684       } else {                  /* continuation lines */
 685         if (flagsubline) {
 686           if (!stralloc_cat(&subject,&line)) die_nomem();
 687         } else if (flagfromline) {
 688           if (!stralloc_cat(&from,&line)) die_nomem();
 689         } else if (flagcontline) {
 690           if (!stralloc_cat(&content,&line)) die_nomem();
 691         }
 692       }
 693     } else                              /* body */
 694       msgsize += line.len;              /* always for tstdig support */
 695
 696     if (!(flaginheader && flagbadfield)) {
 697       if (boundary.len && line.len > boundary.len &&
 698                 !str_diffn(line.s,boundary.s,boundary.len)) {
 699         if (line.s[boundary.len] == '-' && line.s[boundary.len+1] == '-') {
 700           flagbadpart = 0;              /* end boundary should be output */
 701           if (flagtrailer) {
 702             qmail_puts(&qq,"\n");
 703             qmail_put(&qq,boundary.s,boundary.len);
 704             qmail_puts(&qq,"\nContent-Type: text/plain; charset=");
 705             qmail_puts(&qq,charset.s);
 706             transferenc();              /* trailer for multipart message */
 707             copy(&qq,"text/trailer",flagcd,FATAL);
 708             if (flagcd == 'B')  {       /* need to do our own flushing */
 709               encodeB("",0,&qline,2,FATAL);
 710               qmail_put(&qq,qline.s,qline.len);
 711             }
 712           }
 713         } else {                        /* new part */
 714             flagbadpart = 1;            /* skip lines */
 715             if (!stralloc_copy(&lines,&line)) die_nomem();      /* but save */
 716             flagseenext = 1;            /* need to check Cont-type */
 717         }
 718       } else if (flagseenext) {         /* last was boundary, now stored */
 719         if (case_startb(line.s,line.len,"content-type:")) {
 720           flagseenext = 0;              /* done thinking about it */
 721           cp = line.s + 13;                     /* start of type */
 722           while (*cp == ' ' || *cp == '\t') ++cp;
 723           cpstart = cp;                 /* end of type */
 724           while (*cp != '\n' && *cp != '\t' && *cp != ' ' && *cp != ';') ++cp;
 725           if (constmap(&mimeremovemap,cpstart,cp-cpstart)) {
 726             flagbadpart = 1;
 727           } else {
 728             flagfoundokpart = 1;
 729             qa_put(lines.s,lines.len);  /* saved lines */
 730             flagbadpart = 0;            /* do this part */
 731           }
 732         } else if (line.len == 1) {     /* end of content desc */
 733           flagbadpart = 0;              /* default type, so ok */
 734           flagseenext = 0;              /* done thinking about it */
 735         } else                          /* save line in cont desc */
 736           if (!stralloc_cat(&lines,&line)) die_nomem();
 737       }
 738       if (!flagbadpart)
 739         qa_put(line.s,line.len);
 740
 741     } else if (flagarchiveonly && flagarchived) /* received headers */
 742       if (substdio_put(&ssarchive,line.s,line.len) == -1) die_archive();
 743     if (!match)
 744       break;
 745   }
 746   if (!boundary.len && flagtrailer) {
 747     qmail_puts(&qq,"\n");               /* trailer for non-multipart message */
 748     if (!encin || encin == 'Q') {       /* can add for QP, but not for base64 */
 749       copy(&qq,"text/trailer",encin,FATAL);
 750       qmail_puts(&qq,"\n");             /* no need to flush for plain/QP */
 751     }
 752   }
 753
 754   cumsize += (msgsize + 128L) >> 8;     /* round to 256 byte 'records' */
 755                                         /* check message tag */
 756   if (flagsublist) {                    /* sublists need tag if selected/suppt*/
 757     if (flaglog)
 758       if ((ret = checktag(dir,innum,hash_lo+1L,"m",(char *) 0,hashout))) {
 759         if (*ret) strerr_die2x(111,FATAL,ret);
 760         else strerr_die2x(100,FATAL,ERR_NOT_PARENT);
 761       }
 762     if (!flagmlwasthere)                /* sublists need ML header */
 763       strerr_die2x(100,FATAL,ERR_SUBLIST);
 764   } else                                /* others are not allowed to have one */
 765     if (flagmlwasthere)
 766       strerr_die2x(100,FATAL,ERR_MAILING_LIST);
 767   if (!flagfoundokpart)                 /* all parts were on the strip list */
 768       strerr_die2x(100,FATAL,ERR_BAD_ALL);
 769
 770   if (flagarchived) {
 771     if (substdio_flush(&ssarchive) == -1) die_archive();
 772     if (fsync(fdarchive) == -1) die_archive();
 773     if (fchmod(fdarchive,MODE_ARCHIVE | 0700) == -1) die_archive();
 774     if (close(fdarchive) == -1) die_archive(); /* NFS stupidity */
 775   }
 776
 777   if (flaglog) {
 778     tagmsg(dir,innum,sender,"m",hashout,qq.msgbytes,53L,FATAL);
 779     hashout[COOKIE] = '\0';
 780   }
 781
 782   numwrite();
 783   if (!stralloc_copy(&line,&outlocal)) die_nomem();
 784   if (!stralloc_cats(&line,"-return-")) die_nomem();
 785   if (!stralloc_cats(&line,szmsgnum)) die_nomem();
 786   if (!stralloc_cats(&line,"-@")) die_nomem();
 787   if (!stralloc_cat(&line,&outhost)) die_nomem();
 788   if (!stralloc_cats(&line,"-@[]")) die_nomem();
 789   if (!stralloc_0(&line)) die_nomem();
 790   qmail_from(&qq,line.s);                       /* envelope sender */
 791   subs = putsubs(dir,hash_lo,hash_hi,subto,1,FATAL);    /* subscribers */
 792   if (flagsublist) hash_lo++;
 793
 794   if (*(err = qmail_close(&qq)) == '\0') {
 795       if (flaglog)                              /* mysql logging */
 796         (void) logmsg(dir,outnum,hash_lo,subs,flagsublist ? 3 : 4);
 797       closesql();
 798       strnum[fmt_ulong(strnum,qmail_qp(&qq))] = 0;
 799       strerr_die2x(0,"ezmlm-send: info: qp ",strnum);
 800   } else {
 801       --msgnum;
 802       cumsize -= (msgsize + 128L) >> 8;
 803       numwrite();
 804       strerr_die3x(111,FATAL,ERR_TMP_QMAIL_QUEUE,err + 1);
 805   }
 806 }