mdw@git.distorted.org.uk Git - qmail/blob - qmail-inject.c

   1 #include "sig.h"
   2 #include "substdio.h"
   3 #include "stralloc.h"
   4 #include "subfd.h"
   5 #include "sgetopt.h"
   6 #include "getln.h"
   7 #include "alloc.h"
   8 #include "str.h"
   9 #include "fmt.h"
  10 #include "hfield.h"
  11 #include "token822.h"
  12 #include "control.h"
  13 #include "env.h"
  14 #include "gen_alloc.h"
  15 #include "gen_allocdefs.h"
  16 #include "error.h"
  17 #include "qmail.h"
  18 #include "now.h"
  19 #include "exit.h"
  20 #include "quote.h"
  21 #include "headerbody.h"
  22 #include "auto_qmail.h"
  23 #include "newfield.h"
  24 #include "constmap.h"
  25
  26 #define LINELEN 80
  27
  28 datetime_sec starttime;
  29
  30 char *qmopts;
  31 int flagdeletesender = 0;
  32 int flagdeletefrom = 0;
  33 int flagdeletemessid = 0;
  34 int flagnamecomment = 0;
  35 int flaghackmess = 0;
  36 int flaghackrecip = 0;
  37 char *mailhost;
  38 char *mailuser;
  39 int mailusertokentype;
  40 char *mailrhost;
  41 char *mailruser;
  42
  43 stralloc control_idhost = {0};
  44 stralloc control_defaultdomain = {0};
  45 stralloc control_defaulthost = {0};
  46 stralloc control_plusdomain = {0};
  47
  48 stralloc sender = {0};
  49 stralloc envsbuf = {0};
  50 token822_alloc envs = {0};
  51 int flagrh;
  52
  53 int flagqueue;
  54 struct qmail qqt;
  55
  56 void put(s,len) char *s; int len;
  57 { if (flagqueue) qmail_put(&qqt,s,len); else substdio_put(subfdout,s,len); }
  58 void puts(s) char *s; { put(s,str_len(s)); }
  59
  60 void perm() { _exit(100); }
  61 void temp() { _exit(111); }
  62 void die_nomem() {
  63  substdio_putsflush(subfderr,"qmail-inject: fatal: out of memory\n"); temp(); }
  64 void die_invalid(sa) stralloc *sa; {
  65  substdio_putsflush(subfderr,"qmail-inject: fatal: invalid header field: ");
  66  substdio_putflush(subfderr,sa->s,sa->len); perm(); }
  67 void die_qqt() {
  68  substdio_putsflush(subfderr,"qmail-inject: fatal: unable to run qmail-queue\n"); temp(); }
  69 void die_chdir() {
  70  substdio_putsflush(subfderr,"qmail-inject: fatal: internal bug\n"); temp(); }
  71 void die_read() {
  72  if (errno == error_nomem) die_nomem();
  73  substdio_putsflush(subfderr,"qmail-inject: fatal: read error\n"); temp(); }
  74 void doordie(sa,r) stralloc *sa; int r; {
  75  if (r == 1) return; if (r == -1) die_nomem();
  76  substdio_putsflush(subfderr,"qmail-inject: fatal: unable to parse this line:\n");
  77  substdio_putflush(subfderr,sa->s,sa->len); perm(); }
  78
  79 GEN_ALLOC_typedef(saa,stralloc,sa,len,a)
  80 GEN_ALLOC_readyplus(saa,stralloc,sa,len,a,i,n,x,10,saa_readyplus)
  81
  82 static stralloc sauninit = {0};
  83
  84 saa savedh = {0};
  85 saa hrlist = {0};
  86 saa tocclist = {0};
  87 saa hrrlist = {0};
  88 saa reciplist = {0};
  89 int flagresent;
  90
  91 void exitnicely()
  92 {
  93  char *qqx;
  94
  95  if (!flagqueue) substdio_flush(subfdout);
  96
  97  if (flagqueue)
  98   {
  99    int i;
 100
 101    if (!stralloc_0(&sender)) die_nomem();
 102    qmail_from(&qqt,sender.s);
 103
 104    for (i = 0;i < reciplist.len;++i)
 105     {
 106      if (!stralloc_0(&reciplist.sa[i])) die_nomem();
 107      qmail_to(&qqt,reciplist.sa[i].s);
 108     }
 109    if (flagrh)
 110      if (flagresent)
 111        for (i = 0;i < hrrlist.len;++i)
 112         {
 113          if (!stralloc_0(&hrrlist.sa[i])) die_nomem();
 114          qmail_to(&qqt,hrrlist.sa[i].s);
 115         }
 116      else
 117        for (i = 0;i < hrlist.len;++i)
 118         {
 119          if (!stralloc_0(&hrlist.sa[i])) die_nomem();
 120          qmail_to(&qqt,hrlist.sa[i].s);
 121         }
 122
 123    qqx = qmail_close(&qqt);
 124    if (*qqx)
 125      if (*qqx == 'D') {
 126        substdio_puts(subfderr,"qmail-inject: fatal: ");
 127        substdio_puts(subfderr,qqx + 1);
 128        substdio_puts(subfderr,"\n");
 129        substdio_flush(subfderr);
 130        perm();
 131      }
 132      else {
 133        substdio_puts(subfderr,"qmail-inject: fatal: ");
 134        substdio_puts(subfderr,qqx + 1);
 135        substdio_puts(subfderr,"\n");
 136        substdio_flush(subfderr);
 137        temp();
 138      }
 139   }
 140
 141  _exit(0);
 142 }
 143
 144 void savedh_append(h)
 145 stralloc *h;
 146 {
 147  if (!saa_readyplus(&savedh,1)) die_nomem();
 148  savedh.sa[savedh.len] = sauninit;
 149  if (!stralloc_copy(savedh.sa + savedh.len,h)) die_nomem();
 150  ++savedh.len;
 151 }
 152
 153 void savedh_print()
 154 {
 155  int i;
 156
 157  for (i = 0;i < savedh.len;++i)
 158    put(savedh.sa[i].s,savedh.sa[i].len);
 159 }
 160
 161 stralloc defaultdomainbuf = {0};
 162 token822_alloc defaultdomain = {0};
 163 stralloc defaulthostbuf = {0};
 164 token822_alloc defaulthost = {0};
 165 stralloc plusdomainbuf = {0};
 166 token822_alloc plusdomain = {0};
 167
 168 void rwroute(addr)
 169 token822_alloc *addr;
 170 {
 171  if (addr->t[addr->len - 1].type == TOKEN822_AT)
 172    while (addr->len)
 173      if (addr->t[--addr->len].type == TOKEN822_COLON)
 174        return;
 175 }
 176
 177 void rwextraat(addr)
 178 token822_alloc *addr;
 179 {
 180  int i;
 181  if (addr->t[0].type == TOKEN822_AT)
 182   {
 183    --addr->len;
 184    for (i = 0;i < addr->len;++i)
 185      addr->t[i] = addr->t[i + 1];
 186   }
 187 }
 188
 189 void rwextradot(addr)
 190 token822_alloc *addr;
 191 {
 192  int i;
 193  if (addr->t[0].type == TOKEN822_DOT)
 194   {
 195    --addr->len;
 196    for (i = 0;i < addr->len;++i)
 197      addr->t[i] = addr->t[i + 1];
 198   }
 199 }
 200
 201 void rwnoat(addr)
 202 token822_alloc *addr;
 203 {
 204  int i;
 205  int shift;
 206
 207  for (i = 0;i < addr->len;++i)
 208    if (addr->t[i].type == TOKEN822_AT)
 209      return;
 210  shift = defaulthost.len;
 211  if (!token822_readyplus(addr,shift)) die_nomem();
 212  for (i = addr->len - 1;i >= 0;--i)
 213    addr->t[i + shift] = addr->t[i];
 214  addr->len += shift;
 215  for (i = 0;i < shift;++i)
 216    addr->t[i] = defaulthost.t[shift - 1 - i];
 217 }
 218
 219 void rwnodot(addr)
 220 token822_alloc *addr;
 221 {
 222  int i;
 223  int shift;
 224  for (i = 0;i < addr->len;++i)
 225   {
 226    if (addr->t[i].type == TOKEN822_DOT)
 227      return;
 228    if (addr->t[i].type == TOKEN822_AT)
 229      break;
 230   }
 231  for (i = 0;i < addr->len;++i)
 232   {
 233    if (addr->t[i].type == TOKEN822_LITERAL)
 234      return;
 235    if (addr->t[i].type == TOKEN822_AT)
 236      break;
 237   }
 238  shift = defaultdomain.len;
 239  if (!token822_readyplus(addr,shift)) die_nomem();
 240  for (i = addr->len - 1;i >= 0;--i)
 241    addr->t[i + shift] = addr->t[i];
 242  addr->len += shift;
 243  for (i = 0;i < shift;++i)
 244    addr->t[i] = defaultdomain.t[shift - 1 - i];
 245 }
 246
 247 void rwplus(addr)
 248 token822_alloc *addr;
 249 {
 250  int i;
 251  int shift;
 252
 253  if (addr->t[0].type != TOKEN822_ATOM) return;
 254  if (!addr->t[0].slen) return;
 255  if (addr->t[0].s[addr->t[0].slen - 1] != '+') return;
 256
 257  --addr->t[0].slen; /* remove + */
 258
 259  shift = plusdomain.len;
 260  if (!token822_readyplus(addr,shift)) die_nomem();
 261  for (i = addr->len - 1;i >= 0;--i)
 262    addr->t[i + shift] = addr->t[i];
 263  addr->len += shift;
 264  for (i = 0;i < shift;++i)
 265    addr->t[i] = plusdomain.t[shift - 1 - i];
 266 }
 267
 268 void rwgeneric(addr)
 269 token822_alloc *addr;
 270 {
 271  if (!addr->len) return; /* don't rewrite <> */
 272  if (addr->len >= 2)
 273    if (addr->t[1].type == TOKEN822_AT)
 274      if (addr->t[0].type == TOKEN822_LITERAL)
 275        if (!addr->t[0].slen) /* don't rewrite <foo@[]> */
 276          return;
 277  rwroute(addr);
 278  if (!addr->len) return; /* <@foo:> -> <> */
 279  rwextradot(addr);
 280  if (!addr->len) return; /* <.> -> <> */
 281  rwextraat(addr);
 282  if (!addr->len) return; /* <@> -> <> */
 283  rwnoat(addr);
 284  rwplus(addr);
 285  rwnodot(addr);
 286 }
 287
 288 int setreturn(addr)
 289 token822_alloc *addr;
 290 {
 291  if (!sender.s)
 292   {
 293    token822_reverse(addr);
 294    if (token822_unquote(&sender,addr) != 1) die_nomem();
 295    if (flaghackrecip)
 296      if (!stralloc_cats(&sender,"-@[]")) die_nomem();
 297    token822_reverse(addr);
 298   }
 299  return 1;
 300 }
 301
 302 int rwreturn(addr)
 303 token822_alloc *addr;
 304 {
 305  rwgeneric(addr);
 306  setreturn(addr);
 307  return 1;
 308 }
 309
 310 int rwsender(addr)
 311 token822_alloc *addr;
 312 {
 313  rwgeneric(addr);
 314  return 1;
 315 }
 316
 317 void rwappend(addr,xl)
 318 token822_alloc *addr;
 319 saa *xl;
 320 {
 321  token822_reverse(addr);
 322  if (!saa_readyplus(xl,1)) die_nomem();
 323  xl->sa[xl->len] = sauninit;
 324  if (token822_unquote(&xl->sa[xl->len],addr) != 1) die_nomem();
 325  ++xl->len;
 326  token822_reverse(addr);
 327 }
 328
 329 int rwhrr(addr) token822_alloc *addr;
 330 { rwgeneric(addr); rwappend(addr,&hrrlist); return 1; }
 331 int rwhr(addr) token822_alloc *addr;
 332 { rwgeneric(addr); rwappend(addr,&hrlist); return 1; }
 333 int rwtocc(addr) token822_alloc *addr;
 334 { rwgeneric(addr); rwappend(addr,&hrlist); rwappend(addr,&tocclist); return 1; }
 335
 336 int htypeseen[H_NUM];
 337 stralloc hfbuf = {0};
 338 token822_alloc hfin = {0};
 339 token822_alloc hfrewrite = {0};
 340 token822_alloc hfaddr = {0};
 341
 342 void doheaderfield(h)
 343 stralloc *h;
 344 {
 345   int htype;
 346   int (*rw)() = 0;
 347
 348   htype = hfield_known(h->s,h->len);
 349   if (flagdeletefrom) if (htype == H_FROM) return;
 350   if (flagdeletemessid) if (htype == H_MESSAGEID) return;
 351   if (flagdeletesender) if (htype == H_RETURNPATH) return;
 352
 353   if (htype)
 354     htypeseen[htype] = 1;
 355   else
 356     if (!hfield_valid(h->s,h->len))
 357       die_invalid(h);
 358
 359   switch(htype) {
 360     case H_TO: case H_CC:
 361       rw = rwtocc; break;
 362     case H_BCC: case H_APPARENTLYTO:
 363       rw = rwhr; break;
 364     case H_R_TO: case H_R_CC: case H_R_BCC:
 365       rw = rwhrr; break;
 366     case H_RETURNPATH:
 367       rw = rwreturn; break;
 368     case H_SENDER: case H_FROM: case H_REPLYTO:
 369     case H_RETURNRECEIPTTO: case H_ERRORSTO:
 370     case H_R_SENDER: case H_R_FROM: case H_R_REPLYTO:
 371       rw = rwsender; break;
 372   }
 373
 374   if (rw) {
 375     doordie(h,token822_parse(&hfin,h,&hfbuf));
 376     doordie(h,token822_addrlist(&hfrewrite,&hfaddr,&hfin,rw));
 377     if (token822_unparse(h,&hfrewrite,LINELEN) != 1)
 378       die_nomem();
 379   }
 380
 381   if (htype == H_BCC) return;
 382   if (htype == H_R_BCC) return;
 383   if (htype == H_RETURNPATH) return;
 384   if (htype == H_CONTENTLENGTH) return; /* some things are just too stupid */
 385   savedh_append(h);
 386 }
 387
 388 void dobody(h)
 389 stralloc *h;
 390 {
 391  put(h->s,h->len);
 392 }
 393
 394 stralloc torecip = {0};
 395 token822_alloc tr = {0};
 396
 397 void dorecip(s)
 398 char *s;
 399 {
 400  if (!quote2(&torecip,s)) die_nomem();
 401  switch(token822_parse(&tr,&torecip,&hfbuf))
 402   {
 403    case -1: die_nomem();
 404    case 0:
 405      substdio_puts(subfderr,"qmail-inject: fatal: unable to parse address: ");
 406      substdio_puts(subfderr,s);
 407      substdio_putsflush(subfderr,"\n");
 408      perm();
 409   }
 410  token822_reverse(&tr);
 411  rwgeneric(&tr);
 412  rwappend(&tr,&reciplist);
 413 }
 414
 415 stralloc defaultfrom = {0};
 416 token822_alloc df = {0};
 417
 418 void defaultfrommake()
 419 {
 420  char *fullname;
 421  fullname = env_get("QMAILNAME");
 422  if (!fullname) fullname = env_get("MAILNAME");
 423  if (!fullname) fullname = env_get("NAME");
 424  if (!token822_ready(&df,20)) die_nomem();
 425  df.len = 0;
 426  df.t[df.len].type = TOKEN822_ATOM;
 427  df.t[df.len].s = "From";
 428  df.t[df.len].slen = 4;
 429  ++df.len;
 430  df.t[df.len].type = TOKEN822_COLON;
 431  ++df.len;
 432  if (fullname && !flagnamecomment)
 433   {
 434    df.t[df.len].type = TOKEN822_QUOTE;
 435    df.t[df.len].s = fullname;
 436    df.t[df.len].slen = str_len(fullname);
 437    ++df.len;
 438    df.t[df.len].type = TOKEN822_LEFT;
 439    ++df.len;
 440   }
 441  df.t[df.len].type = mailusertokentype;
 442  df.t[df.len].s = mailuser;
 443  df.t[df.len].slen = str_len(mailuser);
 444  ++df.len;
 445  if (mailhost)
 446   {
 447    df.t[df.len].type = TOKEN822_AT;
 448    ++df.len;
 449    df.t[df.len].type = TOKEN822_ATOM;
 450    df.t[df.len].s = mailhost;
 451    df.t[df.len].slen = str_len(mailhost);
 452    ++df.len;
 453   }
 454  if (fullname && !flagnamecomment)
 455   {
 456    df.t[df.len].type = TOKEN822_RIGHT;
 457    ++df.len;
 458   }
 459  if (fullname && flagnamecomment)
 460   {
 461    df.t[df.len].type = TOKEN822_COMMENT;
 462    df.t[df.len].s = fullname;
 463    df.t[df.len].slen = str_len(fullname);
 464    ++df.len;
 465   }
 466  if (token822_unparse(&defaultfrom,&df,LINELEN) != 1) die_nomem();
 467  doordie(&defaultfrom,token822_parse(&df,&defaultfrom,&hfbuf));
 468  doordie(&defaultfrom,token822_addrlist(&hfrewrite,&hfaddr,&df,rwsender));
 469  if (token822_unparse(&defaultfrom,&hfrewrite,LINELEN) != 1) die_nomem();
 470 }
 471
 472 stralloc defaultreturnpath = {0};
 473 token822_alloc drp = {0};
 474 stralloc hackedruser = {0};
 475 char strnum[FMT_ULONG];
 476
 477 void dodefaultreturnpath()
 478 {
 479  if (!stralloc_copys(&hackedruser,mailruser)) die_nomem();
 480  if (flaghackmess)
 481   {
 482    if (!stralloc_cats(&hackedruser,"-")) die_nomem();
 483    if (!stralloc_catb(&hackedruser,strnum,fmt_ulong(strnum,(unsigned long) starttime))) die_nomem();
 484    if (!stralloc_cats(&hackedruser,".")) die_nomem();
 485    if (!stralloc_catb(&hackedruser,strnum,fmt_ulong(strnum,(unsigned long) getpid()))) die_nomem();
 486   }
 487  if (flaghackrecip)
 488    if (!stralloc_cats(&hackedruser,"-")) die_nomem();
 489  if (!token822_ready(&drp,10)) die_nomem();
 490  drp.len = 0;
 491  drp.t[drp.len].type = TOKEN822_ATOM;
 492  drp.t[drp.len].s = "Return-Path";
 493  drp.t[drp.len].slen = 11;
 494  ++drp.len;
 495  drp.t[drp.len].type = TOKEN822_COLON;
 496  ++drp.len;
 497  drp.t[drp.len].type = TOKEN822_QUOTE;
 498  drp.t[drp.len].s = hackedruser.s;
 499  drp.t[drp.len].slen = hackedruser.len;
 500  ++drp.len;
 501  if (mailrhost)
 502   {
 503    drp.t[drp.len].type = TOKEN822_AT;
 504    ++drp.len;
 505    drp.t[drp.len].type = TOKEN822_ATOM;
 506    drp.t[drp.len].s = mailrhost;
 507    drp.t[drp.len].slen = str_len(mailrhost);
 508    ++drp.len;
 509   }
 510  if (token822_unparse(&defaultreturnpath,&drp,LINELEN) != 1) die_nomem();
 511  doordie(&defaultreturnpath,token822_parse(&drp,&defaultreturnpath,&hfbuf));
 512  doordie(&defaultreturnpath
 513    ,token822_addrlist(&hfrewrite,&hfaddr,&drp,rwreturn));
 514  if (token822_unparse(&defaultreturnpath,&hfrewrite,LINELEN) != 1) die_nomem();
 515 }
 516
 517 int flagmft = 0;
 518 stralloc mft = {0};
 519 struct constmap mapmft;
 520
 521 void mft_init()
 522 {
 523   char *x;
 524   int r;
 525
 526   x = env_get("QMAILMFTFILE");
 527   if (!x) return;
 528
 529   r = control_readfile(&mft,x,0);
 530   if (r == -1) die_read(); /*XXX*/
 531   if (!r) return;
 532
 533   if (!constmap_init(&mapmft,mft.s,mft.len,0)) die_nomem();
 534   flagmft = 1;
 535 }
 536
 537 void finishmft()
 538 {
 539   int i;
 540   static stralloc sa = {0};
 541   static stralloc sa2 = {0};
 542
 543   if (!flagmft) return;
 544   if (htypeseen[H_MAILFOLLOWUPTO]) return;
 545
 546   for (i = 0;i < tocclist.len;++i)
 547     if (constmap(&mapmft,tocclist.sa[i].s,tocclist.sa[i].len))
 548       break;
 549
 550   if (i == tocclist.len) return;
 551
 552   puts("Mail-Followup-To: ");
 553   i = tocclist.len;
 554   while (i--) {
 555     if (!stralloc_copy(&sa,&tocclist.sa[i])) die_nomem();
 556     if (!stralloc_0(&sa)) die_nomem();
 557     if (!quote2(&sa2,sa.s)) die_nomem();
 558     put(sa2.s,sa2.len);
 559     if (i) puts(",\n  ");
 560   }
 561   puts("\n");
 562 }
 563
 564 void finishheader()
 565 {
 566  flagresent =
 567    htypeseen[H_R_SENDER] || htypeseen[H_R_FROM] || htypeseen[H_R_REPLYTO]
 568    || htypeseen[H_R_TO] || htypeseen[H_R_CC] || htypeseen[H_R_BCC]
 569    || htypeseen[H_R_DATE] || htypeseen[H_R_MESSAGEID];
 570
 571  if (!sender.s)
 572    dodefaultreturnpath();
 573
 574  if (!flagqueue)
 575   {
 576    static stralloc sa = {0};
 577    static stralloc sa2 = {0};
 578
 579    if (!stralloc_copy(&sa,&sender)) die_nomem();
 580    if (!stralloc_0(&sa)) die_nomem();
 581    if (!quote2(&sa2,sa.s)) die_nomem();
 582
 583    puts("Return-Path: <");
 584    put(sa2.s,sa2.len);
 585    puts(">\n");
 586   }
 587
 588  /* could check at this point whether there are any recipients */
 589  if (flagqueue)
 590    if (qmail_open(&qqt) == -1) die_qqt();
 591
 592  if (flagresent)
 593   {
 594    if (!htypeseen[H_R_DATE])
 595     {
 596      if (!newfield_datemake(starttime)) die_nomem();
 597      puts("Resent-");
 598      put(newfield_date.s,newfield_date.len);
 599     }
 600    if (!htypeseen[H_R_MESSAGEID])
 601     {
 602      if (!newfield_msgidmake(control_idhost.s,control_idhost.len,starttime)) die_nomem();
 603      puts("Resent-");
 604      put(newfield_msgid.s,newfield_msgid.len);
 605     }
 606    if (!htypeseen[H_R_FROM])
 607     {
 608      defaultfrommake();
 609      puts("Resent-");
 610      put(defaultfrom.s,defaultfrom.len);
 611     }
 612    if (!htypeseen[H_R_TO] && !htypeseen[H_R_CC])
 613      puts("Resent-Cc: recipient list not shown: ;\n");
 614   }
 615  else
 616   {
 617    if (!htypeseen[H_DATE])
 618     {
 619      if (!newfield_datemake(starttime)) die_nomem();
 620      put(newfield_date.s,newfield_date.len);
 621     }
 622    if (!htypeseen[H_MESSAGEID])
 623     {
 624      if (!newfield_msgidmake(control_idhost.s,control_idhost.len,starttime)) die_nomem();
 625      put(newfield_msgid.s,newfield_msgid.len);
 626     }
 627    if (!htypeseen[H_FROM])
 628     {
 629      defaultfrommake();
 630      put(defaultfrom.s,defaultfrom.len);
 631     }
 632    if (!htypeseen[H_TO] && !htypeseen[H_CC])
 633      puts("Cc: recipient list not shown: ;\n");
 634    finishmft();
 635   }
 636
 637  savedh_print();
 638 }
 639
 640 void getcontrols()
 641 {
 642  static stralloc sa = {0};
 643  char *x;
 644
 645  mft_init();
 646
 647  if (chdir(auto_qmail) == -1) die_chdir();
 648  if (control_init() == -1) die_read();
 649
 650  if (control_rldef(&control_defaultdomain,"control/defaultdomain",1,"defaultdomain") != 1)
 651    die_read();
 652  x = env_get("QMAILDEFAULTDOMAIN");
 653  if (x) if (!stralloc_copys(&control_defaultdomain,x)) die_nomem();
 654  if (!stralloc_copys(&sa,".")) die_nomem();
 655  if (!stralloc_cat(&sa,&control_defaultdomain)) die_nomem();
 656  doordie(&sa,token822_parse(&defaultdomain,&sa,&defaultdomainbuf));
 657
 658  if (control_rldef(&control_defaulthost,"control/defaulthost",1,"defaulthost") != 1)
 659    die_read();
 660  x = env_get("QMAILDEFAULTHOST");
 661  if (x) if (!stralloc_copys(&control_defaulthost,x)) die_nomem();
 662  if (!stralloc_copys(&sa,"@")) die_nomem();
 663  if (!stralloc_cat(&sa,&control_defaulthost)) die_nomem();
 664  doordie(&sa,token822_parse(&defaulthost,&sa,&defaulthostbuf));
 665
 666  if (control_rldef(&control_plusdomain,"control/plusdomain",1,"plusdomain") != 1)
 667    die_read();
 668  x = env_get("QMAILPLUSDOMAIN");
 669  if (x) if (!stralloc_copys(&control_plusdomain,x)) die_nomem();
 670  if (!stralloc_copys(&sa,".")) die_nomem();
 671  if (!stralloc_cat(&sa,&control_plusdomain)) die_nomem();
 672  doordie(&sa,token822_parse(&plusdomain,&sa,&plusdomainbuf));
 673
 674  if (control_rldef(&control_idhost,"control/idhost",1,"idhost") != 1)
 675    die_read();
 676  x = env_get("QMAILIDHOST");
 677  if (x) if (!stralloc_copys(&control_idhost,x)) die_nomem();
 678 }
 679
 680 #define RECIP_DEFAULT 1
 681 #define RECIP_ARGS 2
 682 #define RECIP_HEADER 3
 683 #define RECIP_AH 4
 684
 685 void main(argc,argv)
 686 int argc;
 687 char **argv;
 688 {
 689  int i;
 690  int opt;
 691  int recipstrategy;
 692
 693  sig_pipeignore();
 694
 695  starttime = now();
 696
 697  qmopts = env_get("QMAILINJECT");
 698  if (qmopts)
 699    while (*qmopts)
 700      switch(*qmopts++)
 701       {
 702        case 'c': flagnamecomment = 1; break;
 703        case 's': flagdeletesender = 1; break;
 704        case 'f': flagdeletefrom = 1; break;
 705        case 'i': flagdeletemessid = 1; break;
 706        case 'r': flaghackrecip = 1; break;
 707        case 'm': flaghackmess = 1; break;
 708       }
 709
 710  mailhost = env_get("QMAILHOST");
 711  if (!mailhost) mailhost = env_get("MAILHOST");
 712  mailrhost = env_get("QMAILSHOST");
 713  if (!mailrhost) mailrhost = mailhost;
 714
 715  mailuser = env_get("QMAILUSER");
 716  if (!mailuser) mailuser = env_get("MAILUSER");
 717  if (!mailuser) mailuser = env_get("USER");
 718  if (!mailuser) mailuser = env_get("LOGNAME");
 719  if (!mailuser) mailuser = "anonymous";
 720  mailusertokentype = TOKEN822_ATOM;
 721  if (quote_need(mailuser,str_len(mailuser))) mailusertokentype = TOKEN822_QUOTE;
 722  mailruser = env_get("QMAILSUSER");
 723  if (!mailruser) mailruser = mailuser;
 724
 725  for (i = 0;i < H_NUM;++i) htypeseen[i] = 0;
 726
 727  recipstrategy = RECIP_DEFAULT;
 728  flagqueue = 1;
 729
 730  getcontrols();
 731
 732  if (!saa_readyplus(&hrlist,1)) die_nomem();
 733  if (!saa_readyplus(&tocclist,1)) die_nomem();
 734  if (!saa_readyplus(&hrrlist,1)) die_nomem();
 735  if (!saa_readyplus(&reciplist,1)) die_nomem();
 736
 737  while ((opt = getopt(argc,argv,"aAhHnNf:")) != opteof)
 738    switch(opt)
 739     {
 740      case 'a': recipstrategy = RECIP_ARGS; break;
 741      case 'A': recipstrategy = RECIP_DEFAULT; break;
 742      case 'h': recipstrategy = RECIP_HEADER; break;
 743      case 'H': recipstrategy = RECIP_AH; break;
 744      case 'n': flagqueue = 0; break;
 745      case 'N': flagqueue = 1; break;
 746      case 'f':
 747        if (!quote2(&sender,optarg)) die_nomem();
 748        doordie(&sender,token822_parse(&envs,&sender,&envsbuf));
 749        token822_reverse(&envs);
 750        rwgeneric(&envs);
 751        token822_reverse(&envs);
 752        if (token822_unquote(&sender,&envs) != 1) die_nomem();
 753        break;
 754      case '?':
 755      default:
 756        perm();
 757     }
 758  argc -= optind;
 759  argv += optind;
 760
 761  if (recipstrategy == RECIP_DEFAULT)
 762    recipstrategy = (*argv ? RECIP_ARGS : RECIP_HEADER);
 763
 764  if (recipstrategy != RECIP_HEADER)
 765    while (*argv)
 766      dorecip(*argv++);
 767
 768  flagrh = (recipstrategy != RECIP_ARGS);
 769
 770  if (headerbody(subfdin,doheaderfield,finishheader,dobody) == -1)
 771    die_read();
 772  exitnicely();
 773 }