main.c

   1 /*@ S-nail - a mail user agent derived from Berkeley Mail.
   2  *@ Startup and initialization.
   3  *@ This file is also used to materialize externals.
   4  *
   5  * Copyright (c) 2000-2004 Gunnar Ritter, Freiburg i. Br., Germany.
   6  * Copyright (c) 2012 - 2017 Steffen (Daode) Nurpmeso <steffen@sdaoden.eu>.
   7  */
   8 /*
   9  * Copyright (c) 1980, 1993
  10  *      The Regents of the University of California.  All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  * 3. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36 #undef n_FILE
  37 #define n_FILE main
  38 #define n_MAIN_SOURCE
  39
  40 #include "nail.h"
  41
  42 #include <sys/ioctl.h>
  43
  44 #include <pwd.h>
  45
  46 #ifdef HAVE_NL_LANGINFO
  47 # include <langinfo.h>
  48 #endif
  49 #ifdef HAVE_SETLOCALE
  50 # include <locale.h>
  51 #endif
  52
  53 struct a_arg{
  54    struct a_arg *aa_next;
  55    char const *aa_file;
  56 };
  57
  58 /* (extern, but not with amalgamation, so define here) */
  59 VL char const n_weekday_names[7 + 1][4] = {
  60    "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", ""
  61 };
  62 VL char const n_month_names[12 + 1][4] = {
  63    "Jan", "Feb", "Mar", "Apr", "May", "Jun",
  64    "Jul", "Aug", "Sep", "Oct", "Nov", "Dec", ""
  65 };
  66 VL char const n_uagent[sizeof VAL_UAGENT] = VAL_UAGENT;
  67 VL char const n_error[sizeof n_ERROR] = N_(n_ERROR);
  68 VL char const n_unirepl[sizeof n_UNIREPL] = n_UNIREPL;
  69 VL char const n_empty[1] = "";
  70 VL ui16_t const n_class_char[1 + 0x7F] = {
  71 #define a_BC C_BLANK | C_CNTRL
  72 #define a_SC C_SPACE | C_CNTRL
  73 #define a_WC C_WHITE | C_CNTRL
  74 /* 000 nul  001 soh  002 stx  003 etx  004 eot  005 enq  006 ack  007 bel */
  75    C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL,
  76 /* 010 bs   011 ht   012 nl   013 vt   014 np   015 cr   016 so   017 si */
  77    C_CNTRL, a_BC,    a_WC,    a_SC,    a_SC,    a_SC,    C_CNTRL, C_CNTRL,
  78 /* 020 dle  021 dc1  022 dc2  023 dc3  024 dc4  025 nak  026 syn  027 etb */
  79    C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL,
  80 /* 030 can  031 em   032 sub  033 esc  034 fs   035 gs   036 rs   037 us */
  81    C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL,
  82 #undef a_WC
  83 #undef a_SC
  84 #undef a_BC
  85 /* 040 sp   041  !   042  "   043  #   044  $   045  %   046  &   047  ' */
  86    C_BLANK, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
  87 /* 050  (   051  )   052  *   053  +   054  ,    055  -   056  .   057  / */
  88    C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
  89 /* 060  0   061  1   062  2   063  3   064  4   065  5   066  6   067  7 */
  90    C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL,
  91 /* 070  8   071  9   072  :   073  ;   074  <   075  =   076  >   077  ? */
  92    C_DIGIT, C_DIGIT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
  93 /* 100  @   101  A   102  B   103  C   104  D   105  E   106  F   107  G */
  94    C_PUNCT, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER,
  95 /* 110  H   111  I   112  J   113  K   114  L   115  M   116  N   117  O */
  96    C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER,
  97 /* 120  P   121  Q   122  R   123  S   124  T   125  U   126  V   127  W */
  98    C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER,
  99 /* 130  X   131  Y   132  Z   133  [   134  \   135  ]   136  ^   137  _ */
 100    C_UPPER, C_UPPER, C_UPPER, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
 101 /* 140  `   141  a   142  b   143  c   144  d   145  e   146  f   147  g */
 102    C_PUNCT, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER,
 103 /* 150  h   151  i   152  j   153  k   154  l   155  m   156  n   157  o */
 104    C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER,
 105 /* 160  p   161  q   162  r   163  s   164  t   165  u   166  v   167  w */
 106    C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER,
 107 /* 170  x   171  y   172  z   173  {   174  |   175  }   176  ~   177 del */
 108    C_LOWER, C_LOWER, C_LOWER, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_CNTRL
 109 };
 110
 111 /* Our own little getopt(3) */
 112 static char const *a_main_oarg;
 113 static int a_main_oind, /*_oerr,*/ a_main_oopt;
 114
 115 /* Our own little getopt(3); note --help is special-treated as 'h' */
 116 static int a_main_getopt(int argc, char * const argv[], char const *optstring);
 117
 118 /* Perform basic startup initialization */
 119 static void a_main_startup(void);
 120
 121 /* Grow a char** */
 122 static size_t a_main_grow_cpp(char const ***cpp, size_t newsize, size_t oldcnt);
 123
 124 /* Setup some variables which we require to be valid / verified */
 125 static void a_main_setup_vars(void);
 126
 127 /* We're in an interactive session - compute what the screen size for printing
 128  * headers etc. should be; notify tty upon resize if *is_sighdl* is not 0.
 129  * We use the following algorithm for the height:
 130  * If baud rate < 1200, use  9
 131  * If baud rate = 1200, use 14
 132  * If baud rate > 1200, use 24 or ws_row
 133  * Width is either 80 or ws_col */
 134 static void a_main_setscreensize(int is_sighdl);
 135
 136 /* Ok, we are reading mail.  Decide whether we are editing a mailbox or reading
 137  * the system mailbox, and open up the right stuff */
 138 static int a_main_rcv_mode(char const *folder, char const *Larg);
 139
 140 /* Interrupt printing of the headers */
 141 static void a_main_hdrstop(int signo);
 142
 143 static int
 144 a_main_getopt(int argc, char * const argv[], char const *optstring){
 145    static char const *lastp;
 146
 147    char const *curp;
 148    int rv/*, colon*/;
 149    NYD_ENTER;
 150
 151    a_main_oarg = NULL;
 152    rv = -1;
 153
 154    /*if((colon = (optstring[0] == ':')))
 155       ++optstring;*/
 156
 157    if(lastp != NULL){
 158       curp = lastp;
 159       lastp = NULL;
 160    }else{
 161       if(a_main_oind >= argc || argv[a_main_oind] == NULL ||
 162             argv[a_main_oind][0] != '-' || argv[a_main_oind][1] == '\0')
 163          goto jleave;
 164       if(argv[a_main_oind][1] == '-' && argv[a_main_oind][2] == '\0'){
 165          /* We need this in for MTA arg detection (easier) ++a_main_oind;*/
 166          goto jleave;
 167       }
 168       curp = &argv[a_main_oind][1];
 169    }
 170
 171    for(a_main_oopt = curp[0]; optstring[0] != '\0';){
 172       if(optstring[0] != a_main_oopt){
 173          optstring += 1 + (optstring[1] == ':');
 174          continue;
 175       }
 176
 177       if(optstring[1] == ':'){
 178          if(curp[1] != '\0'){
 179             a_main_oarg = n_UNCONST(curp + 1);
 180             ++a_main_oind;
 181          }else{
 182             if((a_main_oind += 2) > argc){
 183                /*if(!colon *//*&& _oerr*//*)*/{
 184                   n_err(_("%s: option requires an argument -- %c\n"),
 185                      argv[0], (char)a_main_oopt);
 186                }
 187                rv = (/*colon ? ':' :*/ '?');
 188                goto jleave;
 189             }
 190             a_main_oarg = argv[a_main_oind - 1];
 191          }
 192       }else{
 193          if(curp[1] != '\0')
 194             lastp = curp + 1;
 195          else
 196             ++a_main_oind;
 197       }
 198       rv = a_main_oopt;
 199       goto jleave;
 200    }
 201
 202    /* Special support for --help, which is quite common */
 203    if(a_main_oopt == '-' && !strcmp(curp, "-help") &&
 204          &curp[-1] == argv[a_main_oind]){
 205       ++a_main_oind;
 206       rv = 'h';
 207       goto jleave;
 208    }
 209
 210    /* Definitive error */
 211    /*if(!colon *//*&& opterr*//*)*/
 212       n_err(_("%s: invalid option -- %c\n"), argv[0], a_main_oopt);
 213    if(curp[1] != '\0')
 214       lastp = curp + 1;
 215    else
 216       ++a_main_oind;
 217    a_main_oarg = NULL;
 218    rv = '?';
 219 jleave:
 220    NYD_LEAVE;
 221    return rv;
 222 }
 223
 224 static void
 225 a_main_startup(void){
 226    char *cp;
 227    NYD_ENTER;
 228
 229    n_stdin = stdin;
 230    n_stdout = stdout;
 231    n_stderr = stderr;
 232    image = -1;
 233    dflpipe = SIG_DFL;
 234    a_main_oind = /*_oerr =*/ 1;
 235
 236    if((cp = strrchr(n_progname, '/')) != NULL)
 237       n_progname = ++cp;
 238
 239    /* Set up a reasonable environment */
 240
 241 #ifdef HAVE_NYD
 242    safe_signal(SIGABRT, &_nyd_oncrash);
 243 # ifdef SIGBUS
 244    safe_signal(SIGBUS, &_nyd_oncrash);
 245 # endif
 246    safe_signal(SIGFPE, &_nyd_oncrash);
 247    safe_signal(SIGILL, &_nyd_oncrash);
 248    safe_signal(SIGSEGV, &_nyd_oncrash);
 249 #endif
 250    command_manager_start();
 251
 252    /* TODO This is wrong: interactive is STDIN/STDERR for a POSIX sh(1).
 253     * TODO For now we get this wrong, all over the place, as this software
 254     * TODO has always been developed with stdout as an output channel.
 255     * TODO Start doing it right for at least explicit terminal-related things,
 256     * TODO but v15 should use ONLY this, also for terminal input! */
 257    if(isatty(STDIN_FILENO)){
 258       n_psonce |= n_PSO_TTYIN;
 259 #if defined HAVE_MLE || defined HAVE_TERMCAP
 260       n_tty_fp = fdopen(fileno(n_stdin), "w");
 261       setvbuf(n_tty_fp, NULL, _IOLBF, 0);
 262 #endif
 263    }
 264    if(isatty(STDOUT_FILENO))
 265       n_psonce |= n_PSO_TTYOUT;
 266    if((n_psonce & (n_PSO_TTYIN | n_PSO_TTYOUT)) ==
 267          (n_PSO_TTYIN | n_PSO_TTYOUT)){
 268       n_psonce |= n_PSO_INTERACTIVE;
 269       safe_signal(SIGPIPE, dflpipe = SIG_IGN);
 270    }
 271
 272    /* STDOUT is always line buffered from our point of view */
 273    setvbuf(n_stdout, NULL, _IOLBF, 0);
 274    if(n_tty_fp == NULL)
 275       n_tty_fp = n_stdout;
 276
 277    /*  --  >8  --  8<  --  */
 278
 279 #ifndef HAVE_SETLOCALE
 280    n_mb_cur_max = 1;
 281 #else
 282    setlocale(LC_ALL, n_empty);
 283    n_mb_cur_max = MB_CUR_MAX;
 284 # ifdef HAVE_NL_LANGINFO
 285    if((cp = nl_langinfo(CODESET)) != NULL)
 286       ok_vset(ttycharset, cp);
 287 # endif
 288
 289 # ifdef HAVE_C90AMEND1
 290    if(n_mb_cur_max > 1){
 291 #  ifdef HAVE_ALWAYS_UNICODE_LOCALE
 292       n_psonce |= n_PSO_UNICODE;
 293 #  else
 294       wchar_t wc;
 295       if(mbtowc(&wc, "\303\266", 2) == 2 && wc == 0xF6 &&
 296             mbtowc(&wc, "\342\202\254", 3) == 3 && wc == 0x20AC)
 297          n_psonce |= n_PSO_UNICODE;
 298       /* Reset possibly messed up state; luckily this also gives us an
 299        * indication whether the encoding has locking shift state sequences */
 300       if(mbtowc(&wc, NULL, n_mb_cur_max))
 301          n_psonce |= n_PSO_ENC_MBSTATE;
 302 #  endif
 303    }
 304 # endif
 305 #endif
 306
 307 #ifdef HAVE_ICONV
 308    iconvd = (iconv_t)-1;
 309 #endif
 310    NYD_LEAVE;
 311 }
 312
 313 static size_t
 314 a_main_grow_cpp(char const ***cpp, size_t newsize, size_t oldcnt){
 315    /* Just use auto-reclaimed storage, it will be preserved */
 316    char const **newcpp;
 317    NYD_ENTER;
 318
 319    newcpp = salloc(sizeof(char*) * newsize);
 320
 321    if(oldcnt > 0)
 322       memcpy(newcpp, *cpp, oldcnt * sizeof(char*));
 323    *cpp = newcpp;
 324    NYD_LEAVE;
 325    return newsize;
 326 }
 327
 328 static void
 329 a_main_setup_vars(void){
 330    struct passwd *pwuid;
 331    char const *cp;
 332    NYD_ENTER;
 333
 334    n_group_id = getgid();
 335    if((pwuid = getpwuid(n_user_id = getuid())) == NULL)
 336       n_panic(_("Cannot associate a name with uid %lu"), (ul_i)n_user_id);
 337
 338    /* C99 */{
 339       char const *ep;
 340       bool_t doenv;
 341
 342       if(!(doenv = (ep = ok_vlook(LOGNAME)) == NULL) &&
 343             (doenv = strcmp(pwuid->pw_name, ep)))
 344          n_err(_("Warning: $LOGNAME (%s) not identical to user (%s)!\n"),
 345             ep, pwuid->pw_name);
 346       if(doenv){
 347          n_pstate |= n_PS_ROOT;
 348          ok_vset(LOGNAME, pwuid->pw_name);
 349          n_pstate &= ~n_PS_ROOT;
 350       }
 351
 352       if((ep = ok_vlook(USER)) != NULL && strcmp(pwuid->pw_name, ep)){
 353          n_err(_("Warning: $USER (%s) not identical to user (%s)!\n"),
 354             ep, pwuid->pw_name);
 355          n_pstate |= n_PS_ROOT;
 356          ok_vset(USER, pwuid->pw_name);
 357          n_pstate &= ~n_PS_ROOT;
 358       }
 359    }
 360
 361    /* XXX myfullname = pw->pw_gecos[OPTIONAL!] -> GUT THAT; TODO pw_shell */
 362
 363    /* */
 364    if((cp = ok_vlook(HOME)) == NULL ||
 365          !is_dir(cp) || access(cp, R_OK | W_OK | X_OK)){
 366       cp = pwuid->pw_dir;
 367       n_pstate |= n_PS_ROOT;
 368       ok_vset(HOME, cp);
 369       n_pstate &= ~n_PS_ROOT;
 370    }
 371
 372    cp = ok_vlook(TMPDIR);
 373    assert(cp != NULL);
 374    if(!is_dir(cp) || access(cp, R_OK | W_OK | X_OK))
 375       ok_vclear(TMPDIR);
 376
 377    /* Ensure some variables get loaded */
 378    (void)ok_blook(POSIXLY_CORRECT);
 379    NYD_LEAVE;
 380 }
 381
 382 static void
 383 a_main_setscreensize(int is_sighdl){/* TODO globl policy; int wraps; minvals! */
 384    struct termios tbuf;
 385 #ifdef TIOCGWINSZ
 386    struct winsize ws;
 387 #elif defined TIOCGSIZE
 388    struct ttysize ts;
 389 #endif
 390    NYD_ENTER;
 391
 392    n_scrnheight = n_realscreenheight = n_scrnwidth = 0;
 393
 394    /* (Also) POSIX: LINES and COLUMNS always override.  Adjust this
 395     * a little bit to be able to honour resizes during our lifetime and
 396     * only honour it upon first run; abuse *is_sighdl* as an indicator */
 397    if(!is_sighdl){
 398       char const *cp;
 399
 400       /* We manage those variables for our child processes, so ensure they
 401        * are up to date, always */
 402       if(n_psonce & n_PSO_INTERACTIVE)
 403          n_pstate |= n_PS_SIGWINCH_PEND;
 404
 405       if((cp = ok_vlook(LINES)) != NULL)
 406          n_scrnheight = n_realscreenheight = (int)strtoul(cp, NULL, 0); /*TODO*/
 407       if((cp = ok_vlook(COLUMNS)) != NULL)
 408          n_scrnwidth = (int)strtoul(cp, NULL, 0); /* TODO posui32= not posnum */
 409
 410       if(n_scrnwidth != 0 && n_scrnheight != 0)
 411          goto jleave;
 412    }
 413
 414 #ifdef TIOCGWINSZ
 415    if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1)
 416       ws.ws_col = ws.ws_row = 0;
 417 #elif defined TIOCGSIZE
 418    if(ioctl(STDOUT_FILENO, TIOCGSIZE, &ws) == -1)
 419       ts.ts_lines = ts.ts_cols = 0;
 420 #endif
 421
 422    if(n_scrnheight == 0){
 423       speed_t ospeed;
 424
 425       ospeed = ((tcgetattr(fileno(n_tty_fp), &tbuf) == -1)
 426             ? B9600 : cfgetospeed(&tbuf));
 427
 428       if(ospeed < B1200)
 429          n_scrnheight = 9;
 430       else if(ospeed == B1200)
 431          n_scrnheight = 14;
 432 #ifdef TIOCGWINSZ
 433       else if(ws.ws_row != 0)
 434          n_scrnheight = ws.ws_row;
 435 #elif defined TIOCGSIZE
 436       else if(ts.ts_lines != 0)
 437          n_scrnheight = ts.ts_lines;
 438 #endif
 439       else
 440          n_scrnheight = 24;
 441
 442 #if defined TIOCGWINSZ || defined TIOCGSIZE
 443       if(0 ==
 444 # ifdef TIOCGWINSZ
 445             (n_realscreenheight = ws.ws_row)
 446 # else
 447             (n_realscreenheight = ts.ts_lines)
 448 # endif
 449       )
 450          n_realscreenheight = 24;
 451 #endif
 452    }
 453
 454    if(n_scrnwidth == 0 && 0 ==
 455 #ifdef TIOCGWINSZ
 456          (n_scrnwidth = ws.ws_col)
 457 #elif defined TIOCGSIZE
 458          (n_scrnwidth = ts.ts_cols)
 459 #endif
 460    )
 461       n_scrnwidth = 80;
 462
 463 jleave:
 464 #ifdef SIGWINCH
 465    if(is_sighdl){
 466       n_pstate |= n_PS_SIGWINCH_PEND; /* XXX Not atomic */
 467       if(n_psonce & n_PSO_INTERACTIVE)
 468          n_tty_signal(SIGWINCH);
 469    }
 470 #endif
 471    NYD_LEAVE;
 472 }
 473
 474 static sigjmp_buf a_main__hdrjmp; /* XXX */
 475
 476 static int
 477 a_main_rcv_mode(char const *folder, char const *Larg){
 478    int i;
 479    sighandler_type prevint;
 480    NYD_ENTER;
 481
 482    if(folder == NULL)
 483       folder = "%";
 484
 485    i = (n_poption & n_PO_QUICKRUN_MASK) ? FEDIT_RDONLY : FEDIT_NONE;
 486    i = setfile(folder, i);
 487    if(i < 0){
 488       n_exit_status = n_EXIT_ERR; /* error already reported */
 489       goto jquit;
 490    }
 491    if(n_poption & n_PO_QUICKRUN_MASK){
 492       n_exit_status = i;
 493       if(i == n_EXIT_OK && (!(n_poption & n_PO_EXISTONLY) ||
 494             (n_poption & n_PO_HEADERLIST)))
 495          print_header_summary(Larg);
 496       goto jquit;
 497    }
 498    temporary_folder_hook_check(FAL0);
 499
 500    if(i > 0 && !ok_blook(emptystart)){
 501       n_exit_status = n_EXIT_ERR;
 502       goto jleave;
 503    }
 504
 505    if(sigsetjmp(a_main__hdrjmp, 1) == 0){
 506       if((prevint = safe_signal(SIGINT, SIG_IGN)) != SIG_IGN)
 507          safe_signal(SIGINT, &a_main_hdrstop);
 508       if(!(n_poption & n_PO_N_FLAG)){
 509          if(!ok_blook(quiet))
 510             fprintf(n_stdout, _("%s version %s.  Type `?' for help\n"),
 511                (ok_blook(bsdcompat) ? "Mail" : n_uagent), ok_vlook(version));
 512          announce(1);
 513          fflush(n_stdout);
 514       }
 515       safe_signal(SIGINT, prevint);
 516    }
 517
 518    /* Enter the command loop */
 519    if(n_psonce & n_PSO_INTERACTIVE)
 520       n_tty_init();
 521    n_commands();
 522    if(n_psonce & n_PSO_INTERACTIVE)
 523       n_tty_destroy();
 524
 525    if(mb.mb_type == MB_FILE || mb.mb_type == MB_MAILDIR){
 526       safe_signal(SIGHUP, SIG_IGN);
 527       safe_signal(SIGINT, SIG_IGN);
 528       safe_signal(SIGQUIT, SIG_IGN);
 529    }
 530 jquit:
 531    save_mbox_for_possible_quitstuff();
 532    quit(FAL0);
 533 jleave:
 534    NYD_LEAVE;
 535    return n_exit_status;
 536 }
 537
 538 static void
 539 a_main_hdrstop(int signo){
 540    NYD_X; /* Signal handler */
 541    n_UNUSED(signo);
 542
 543    fflush(n_stdout);
 544    n_err_sighdl(_("\nInterrupt\n"));
 545    siglongjmp(a_main__hdrjmp, 1);
 546 }
 547
 548 int
 549 main(int argc, char *argv[]){
 550    /* Keep in SYNC: ./nail.1:"SYNOPSIS, main() */
 551    static char const
 552       optstr[] = "A:a:Bb:c:dEeFfHhiL:M:m:NnO:q:Rr:S:s:tu:VvX:::~#.",
 553       usagestr[] = N_(
 554          "Synopsis:\n"
 555          "  %s -h\n"
 556
 557          "  %s [-BdEFintv~] [-: spec] [-A account]\n"
 558          "\t [-a attachment] [-b bcc-addr] [-c cc-addr]\n"
 559          "\t [-M type | -m file | -q file | -t]\n"
 560          "\t [-r from-addr] [-S var[=value]..]\n"
 561          "\t [-s subject] [-X cmd] [-.] to-addr.. [-- mta-option..]\n"
 562
 563          "  %s [-BdEeHiNnRv~] [-: spec] [-A account]\n"
 564          "\t [-L spec-list] [-r from-addr] [-S var[=value]..]\n"
 565          "\t [-u user] [-X cmd] [-- mta-option..]\n"
 566
 567          "  %s [-BdEeHiNnRv~#] [-: spec] [-A account] -f\n"
 568          "\t [-L spec-list] [-r from-addr] [-S var[=value]..]\n"
 569          "\t [-X cmd] [file] [-- mta-option..]\n"
 570       );
 571 #define _USAGE_ARGS , n_progname, n_progname, n_progname, n_progname
 572
 573    int i;
 574    char *cp;
 575    enum{
 576       a_RF_NONE = 0,
 577       a_RF_SET = 1<<0,
 578       a_RF_SYSTEM = 1<<1,
 579       a_RF_USER = 1<<2,
 580       a_RF_ALL = a_RF_SYSTEM | a_RF_USER
 581    } resfiles;
 582    size_t oargs_size, oargs_cnt, Xargs_size, Xargs_cnt, smopts_size;
 583    char const *Aarg, *emsg, *folder, *Larg, *okey, **oargs, *qf,
 584       *subject, *uarg, **Xargs;
 585    struct attachment *attach;
 586    struct name *to, *cc, *bcc;
 587    struct a_arg *a_head, *a_curr;
 588    NYD_ENTER;
 589
 590    a_head = NULL;
 591    n_UNINIT(a_curr, NULL);
 592    to = cc = bcc = NULL;
 593    attach = NULL;
 594    Aarg = emsg = folder = Larg = okey = qf = subject = uarg = NULL;
 595    oargs = Xargs = NULL;
 596    oargs_size = oargs_cnt = Xargs_size = Xargs_cnt = smopts_size = 0;
 597    resfiles = a_RF_ALL;
 598
 599    /*
 600     * Start our lengthy setup, finalize by setting n_PSO_STARTED
 601     */
 602
 603    n_progname = argv[0];
 604    a_main_startup();
 605
 606    /* Command line parsing
 607     * Variable settings need to be done twice, since the user surely wants the
 608     * setting to take effect immediately, but also doesn't want it to be
 609     * overwritten from within resource files */
 610    while((i = a_main_getopt(argc, argv, optstr)) >= 0){
 611       switch(i){
 612       case 'A':
 613          /* Execute an account command later on */
 614          Aarg = a_main_oarg;
 615          break;
 616       case 'a':{
 617          struct a_arg *nap;
 618
 619          n_psonce |= n_PSO_SENDMODE;
 620          nap = salloc(sizeof(struct a_arg));
 621          if(a_head == NULL)
 622             a_head = nap;
 623          else
 624             a_curr->aa_next = nap;
 625          nap->aa_next = NULL;
 626          nap->aa_file = a_main_oarg;
 627          a_curr = nap;
 628       }  break;
 629       case 'B':
 630          n_OBSOLETE(_("-B is obsolete, please use -# as necessary"));
 631          break;
 632       case 'b':
 633          /* Get Blind Carbon Copy Recipient list */
 634          n_psonce |= n_PSO_SENDMODE;
 635          bcc = cat(bcc, lextract(a_main_oarg, GBCC | GFULL));
 636          break;
 637       case 'c':
 638          /* Get Carbon Copy Recipient list */
 639          n_psonce |= n_PSO_SENDMODE;
 640          cc = cat(cc, lextract(a_main_oarg, GCC | GFULL));
 641          break;
 642       case 'd':
 643          ok_bset(debug);
 644          okey = "debug";
 645          goto joarg;
 646       case 'E':
 647          n_OBSOLETE(_("-E will be removed, please use \"-Sskipemptybody\""));
 648          ok_bset(skipemptybody);
 649          okey = "skipemptybody";
 650          goto joarg;
 651       case 'e':
 652          n_poption |= n_PO_EXISTONLY;
 653          break;
 654       case 'F':
 655          n_poption |= n_PO_F_FLAG;
 656          n_psonce |= n_PSO_SENDMODE;
 657          break;
 658       case 'f':
 659          /* User is specifying file to "edit" with Mail, as opposed to reading
 660           * system mailbox.  If no argument is given, we read his mbox file.
 661           * Check for remaining arguments later */
 662          folder = "&";
 663          break;
 664       case 'H':
 665          n_poption |= n_PO_HEADERSONLY;
 666          break;
 667       case 'h':
 668          n_err(V_(usagestr) _USAGE_ARGS);
 669          goto j_leave;
 670       case 'i':
 671          /* Ignore interrupts */
 672          ok_bset(ignore);
 673          okey = "ignore";
 674          goto joarg;
 675       case 'L':
 676          Larg = a_main_oarg;
 677          n_poption |= n_PO_HEADERLIST;
 678          if(*Larg == '"' || *Larg == '\''){ /* TODO list.c:listspec_check() */
 679             size_t j;
 680
 681             j = strlen(++Larg);
 682             if(j > 0){
 683                cp = savestrbuf(Larg, --j);
 684                Larg = cp;
 685             }
 686          }
 687          break;
 688       case 'M':
 689          if(qf != NULL && (!(n_poption & n_PO_Mm_FLAG) || qf != (char*)-1))
 690             goto jeMmq;
 691          n_poption_arg_Mm = a_main_oarg;
 692          qf = (char*)-1;
 693          if(0){
 694             /* FALLTHRU*/
 695       case 'm':
 696             if(qf != NULL && (!(n_poption & n_PO_Mm_FLAG) || qf == (char*)-1))
 697                goto jeMmq;
 698             qf = a_main_oarg;
 699          }
 700          n_poption |= n_PO_Mm_FLAG;
 701          n_psonce |= n_PSO_SENDMODE;
 702          break;
 703       case 'N':
 704          /* Avoid initial header printing */
 705          ok_bclear(header);
 706          okey = "noheader";
 707          goto joarg;
 708       case 'n':
 709          /* Don't source "unspecified system start-up file" */
 710          if(resfiles & a_RF_SET){
 711             emsg = N_("-n cannot be used in conjunction with -:");
 712             goto jusage;
 713          }
 714          resfiles = a_RF_USER;
 715          break;
 716       case 'O':
 717          /* Additional options to pass-through to MTA TODO v15-compat legacy */
 718          if(n_smopts_cnt == smopts_size)
 719             smopts_size = a_main_grow_cpp(&n_smopts, smopts_size + 8,
 720                   n_smopts_cnt);
 721          n_smopts[n_smopts_cnt++] = a_main_oarg;
 722          break;
 723       case 'q':
 724          if(qf != NULL && (n_poption & n_PO_Mm_FLAG)){
 725 jeMmq:
 726             emsg = N_("Only one of -M, -m or -q may be given");
 727             goto jusage;
 728          }
 729          /* Quote file TODO drop? -Q with real quote?? what ? */
 730          n_psonce |= n_PSO_SENDMODE;
 731          /* Allow for now, we have to special check validity of -q- later on! */
 732          qf = (a_main_oarg[0] == '-' && a_main_oarg[1] == '\0')
 733                ? (char*)-1 : a_main_oarg;
 734          break;
 735       case 'R':
 736          /* Open folders read-only */
 737          n_poption |= n_PO_R_FLAG;
 738          break;
 739       case 'r':
 740          /* Set From address. */
 741          n_poption |= n_PO_r_FLAG;
 742          if(a_main_oarg[0] != '\0'){
 743             struct name *fa;
 744
 745             fa = nalloc(a_main_oarg, GSKIN | GFULL | GFULLEXTRA);
 746             if(is_addr_invalid(fa, EACM_STRICT | EACM_NOLOG)){
 747                emsg = N_("Invalid address argument with -r");
 748                goto jusage;
 749             }
 750             n_poption_arg_r = fa;
 751             /* TODO -r options is set in n_smopts, but may
 752              * TODO be overwritten by setting from= in
 753              * TODO an interactive session!
 754              * TODO Maybe disable setting of from?
 755              * TODO Warn user?  Update manual!! */
 756             okey = savecat("from=", fa->n_fullname);
 757             goto joarg;
 758          }
 759          break;
 760       case 'S':
 761          /* Set variable (TODO twice [only if successful]) */
 762          {  char const *a[2];
 763             bool_t b;
 764
 765             okey = a[0] = a_main_oarg;
 766             a[1] = NULL;
 767             n_pstate |= n_PS_ROBOT;
 768             b = (c_set(a) == 0);
 769             n_pstate &= ~n_PS_ROBOT;
 770             if(!b)
 771                break;
 772          }
 773 joarg:
 774          if(oargs_cnt == oargs_size)
 775             oargs_size = a_main_grow_cpp(&oargs, oargs_size + 8, oargs_cnt);
 776          oargs[oargs_cnt++] = okey;
 777          break;
 778       case 's':
 779          /* Subject:; take care for Debian #419840 and strip any \r and \n */
 780          if(n_anyof_cp("\n\r", subject = a_main_oarg)){
 781             n_err(_("-s: normalizing away invalid ASCII NL / CR bytes\n"));
 782             for(subject = cp = savestr(a_main_oarg); *cp != '\0'; ++cp)
 783                if(*cp == '\n' || *cp == '\r')
 784                   *cp = ' ';
 785          }
 786          n_psonce |= n_PSO_SENDMODE;
 787          break;
 788       case 't':
 789          /* Read defined set of headers from mail to be sent */
 790          n_poption |= n_PO_t_FLAG;
 791          n_psonce |= n_PSO_SENDMODE;
 792          break;
 793       case 'u':
 794          uarg = savecat("%", a_main_oarg);
 795          break;
 796       case 'V':
 797          fprintf(n_stdout, _("%s version %s\n"), n_uagent, ok_vlook(version));
 798          n_exit_status = n_EXIT_OK;
 799          goto j_leave;
 800       case 'v':
 801          /* Be verbose */
 802          ok_bset(verbose);
 803          okey = "verbose";
 804          goto joarg;
 805       case 'X':
 806          /* Add to list of commands to exec before entering normal operation */
 807          if(Xargs_cnt == Xargs_size)
 808             Xargs_size = a_main_grow_cpp(&Xargs, Xargs_size + 8, Xargs_cnt);
 809          Xargs[Xargs_cnt++] = a_main_oarg;
 810          break;
 811       case ':':
 812          /* Control which resource files shall be loaded */
 813          if(!(resfiles & (a_RF_SET | a_RF_SYSTEM))){
 814             emsg = N_("-n cannot be used in conjunction with -:");
 815             goto jusage;
 816          }
 817          resfiles = a_RF_SET;
 818          while((i = *a_main_oarg++) != '\0')
 819             switch(i){
 820             case 'S': case 's': resfiles |= a_RF_SYSTEM; break;
 821             case 'U': case 'u': resfiles |= a_RF_USER; break;
 822             case ':': case '/': resfiles &= ~a_RF_ALL; break;
 823             default:
 824                emsg = N_("Invalid argument of -:");
 825                goto jusage;
 826             }
 827          break;
 828       case '~':
 829          /* Enable command escapes even in non-interactive mode */
 830          n_poption |= n_PO_TILDE_FLAG;
 831          break;
 832       case '#':
 833          /* Work in batch mode, even if non-interactive */
 834          if(!(n_psonce & n_PSO_INTERACTIVE))
 835             setvbuf(n_stdin, NULL, _IOLBF, 0);
 836          n_poption |= n_PO_TILDE_FLAG | n_PO_BATCH_FLAG;
 837          if (oargs_cnt + 8 >= oargs_size)
 838             oargs_size = a_main_grow_cpp(&oargs, oargs_size + 9, oargs_cnt);
 839          folder = "/dev/null";
 840          ok_vset(MAIL, folder);
 841          ok_vset(MBOX, folder);
 842          ok_bset(emptystart);
 843          ok_bclear(header);
 844          ok_vset(inbox, folder);
 845          ok_bset(quiet);
 846          ok_bset(sendwait);
 847          ok_bset(typescript_mode);
 848          oargs[oargs_cnt + 0] = "MAIL=/dev/null";
 849          oargs[oargs_cnt + 1] = "MBOX=/dev/null";
 850          oargs[oargs_cnt + 2] = "emptystart";
 851          oargs[oargs_cnt + 3] = "noheader";
 852          oargs[oargs_cnt + 4] = "inbox=/dev/null";
 853          oargs[oargs_cnt + 5] = "quiet";
 854          oargs[oargs_cnt + 6] = "sendwait";
 855          oargs[oargs_cnt + 7] = "typescript-mode";
 856          oargs_cnt += 8;
 857          break;
 858       case '.':
 859          n_psonce |= n_PSO_SENDMODE;
 860          goto jgetopt_done;
 861       case '?':
 862 jusage:
 863          if(emsg != NULL)
 864             n_err("%s\n", V_(emsg));
 865          n_err(V_(usagestr) _USAGE_ARGS);
 866 #undef _USAGE_ARGS
 867          n_exit_status = n_EXIT_USE;
 868          goto j_leave;
 869       }
 870    }
 871 jgetopt_done:
 872    ;
 873
 874    /* The normal arguments may be followed by MTA arguments after a "--";
 875     * however, -f may take off an argument, too, and before that.
 876     * Since MTA arguments after "--" require *expandargv*, delay parsing off
 877     * those options until after the resource files are loaded... */
 878    if((cp = argv[i = a_main_oind]) == NULL)
 879       ;
 880    else if(cp[0] == '-' && cp[1] == '-' && cp[2] == '\0')
 881       ++i;
 882    /* n_PO_BATCH_FLAG sets to /dev/null, but -f can still be used and sets & */
 883    else if(folder != NULL && /*folder[0] == '&' &&*/ folder[1] == '\0'){
 884       folder = cp;
 885       if((cp = argv[++i]) != NULL){
 886          if(cp[0] != '-' || cp[1] != '-' || cp[2] != '\0'){
 887             emsg = N_("More than one file given with -f");
 888             goto jusage;
 889          }
 890          ++i;
 891       }
 892    }else{
 893       n_psonce |= n_PSO_SENDMODE;
 894       for(;;){
 895          to = cat(to, lextract(cp, GTO | GFULL));
 896          if((cp = argv[++i]) == NULL)
 897             break;
 898          if(cp[0] == '-' && cp[1] == '-' && cp[2] == '\0'){
 899             ++i;
 900             break;
 901          }
 902       }
 903    }
 904    a_main_oind = i;
 905
 906    /* ...BUT, since we use salloc() for the MTA n_smopts storage we need to
 907     * allocate the necessary space for them before we fixate that storage! */
 908    while(argv[i] != NULL)
 909       ++i;
 910    if(n_smopts_cnt + i > smopts_size)
 911       DBG(smopts_size =)
 912       a_main_grow_cpp(&n_smopts, n_smopts_cnt + i + 1, n_smopts_cnt);
 913
 914    /* Check for inconsistent arguments, fix some temporaries */
 915    if(n_psonce & n_PSO_SENDMODE){
 916       /* XXX This is only because BATCH_FLAG sets *folder*=/dev/null
 917        * XXX in order to function.  Ideally that would not be needed */
 918       if(folder != NULL && !(n_poption & n_PO_BATCH_FLAG)){
 919          emsg = N_("Cannot give -f and people to send to.");
 920          goto jusage;
 921       }
 922       if(uarg != NULL){
 923          emsg = N_("The -u option cannot be used in send mode");
 924          goto jusage;
 925       }
 926       if(!(n_poption & n_PO_t_FLAG) && to == NULL){
 927          emsg = N_("Send options without primary recipient specified.");
 928          goto jusage;
 929       }
 930       if((n_poption & n_PO_t_FLAG) && qf != NULL){
 931          emsg = N_("The -M, -m, -q and -t options are mutual exclusive.");
 932          goto jusage;
 933       }
 934       if(n_poption & (n_PO_EXISTONLY | n_PO_HEADERSONLY | n_PO_HEADERLIST)){
 935          emsg = N_("The -e, -H and -L options cannot be used in send mode.");
 936          goto jusage;
 937       }
 938       if(n_poption & n_PO_R_FLAG){
 939          emsg = N_("The -R option is meaningless in send mode.");
 940          goto jusage;
 941       }
 942
 943       if(n_psonce & n_PSO_INTERACTIVE){
 944          if(qf == (char*)-1){
 945             if(!(n_poption & n_PO_Mm_FLAG))
 946                emsg = N_("-q can't use standard input when interactive.\n");
 947             goto jusage;
 948          }
 949       }
 950    }else{
 951       if(uarg != NULL && folder != NULL){
 952          emsg = N_("The options -u and -f (and -#) are mutually exclusive");
 953          goto jusage;
 954       }
 955       if((n_poption & (n_PO_EXISTONLY | n_PO_HEADERSONLY)) ==
 956             (n_PO_EXISTONLY | n_PO_HEADERSONLY)){
 957          emsg = N_("The options -e and -H are mutual exclusive");
 958          goto jusage;
 959       }
 960       if((n_poption & (n_PO_HEADERSONLY | n_PO_HEADERLIST) /* TODO OBSOLETE */
 961             ) == (n_PO_HEADERSONLY | n_PO_HEADERLIST))
 962          n_OBSOLETE(_("please use \"-e -L xy\" instead of \"-H -L xy\""));
 963
 964       if(uarg != NULL)
 965          folder = uarg;
 966    }
 967
 968    /*
 969     * Likely to go, perform more setup
 970     */
 971
 972    a_main_setup_vars();
 973
 974    if(n_psonce & n_PSO_INTERACTIVE){
 975       a_main_setscreensize(0);
 976 #ifdef SIGWINCH
 977 # ifndef TTY_WANTS_SIGWINCH
 978       if(safe_signal(SIGWINCH, SIG_IGN) != SIG_IGN)
 979 # endif
 980          safe_signal(SIGWINCH, &a_main_setscreensize);
 981 #endif
 982    }else
 983       n_scrnheight = n_realscreenheight = 24, n_scrnwidth = 80;
 984
 985    /* Fixate the current snapshot of our global auto-reclaimed storage instance.
 986     * Memory is auto-reclaimed from now on */
 987    n_memory_autorec_fixate();
 988
 989    /* load() any resource files */
 990    if(resfiles & a_RF_ALL){
 991       /* *expand() returns a savestr(), but load only uses the file name for
 992        * fopen(), so it's safe to do this */
 993       if(resfiles & a_RF_SYSTEM){
 994          bool_t nload;
 995
 996          if((nload = ok_blook(NAIL_NO_SYSTEM_RC)))
 997             n_OBSOLETE(_("Please use $MAILX_NO_SYSTEM_RC instead of "
 998                "$NAIL_NO_SYSTEM_RC"));
 999          if(!nload && !ok_blook(MAILX_NO_SYSTEM_RC))
1000             n_load(VAL_SYSCONFDIR "/" VAL_SYSCONFRC);
1001       }
1002
1003       if(resfiles & a_RF_USER)
1004          n_load(fexpand(ok_vlook(MAILRC), FEXP_LOCAL | FEXP_NOPROTO));
1005
1006       if((cp = ok_vlook(NAIL_EXTRA_RC)) != NULL)
1007          n_OBSOLETE(_("Please use *mailx-extra-rc*, not *NAIL_EXTRA_RC*"));
1008       if(cp != NULL || (cp = ok_vlook(mailx_extra_rc)) != NULL)
1009          n_load(fexpand(cp, FEXP_LOCAL | FEXP_NOPROTO));
1010    }
1011
1012    /* Ensure the -S and other command line options take precedence over
1013     * anything that may have been placed in resource files.
1014     * Our "ternary binary" option *verbose* needs special treament */
1015    if((n_poption & (n_PO_VERB | n_PO_VERBVERB)) == n_PO_VERB)
1016       n_poption &= ~n_PO_VERB;
1017    /* ..and be silent when unsetting an undefined variable */
1018    n_pstate |= n_PS_ROBOT;
1019    for(i = 0; UICMP(z, i, <, oargs_cnt); ++i){
1020       char const *a[2];
1021
1022       a[0] = oargs[i];
1023       a[1] = NULL;
1024       c_set(a);
1025    }
1026    n_pstate &= ~n_PS_ROBOT;
1027
1028    /* Cause possible umask(2), now that any setting is established, and before
1029     * we change accounts, evaluate commands etc. */
1030    (void)ok_vlook(umask);
1031
1032    /* Additional options to pass-through to MTA, and allowed to do so? */
1033    if((cp = ok_vlook(expandargv)) != NULL){
1034       bool_t isfail, isrestrict;
1035
1036       isfail = !asccasecmp(cp, "fail");
1037       isrestrict = (!isfail && !asccasecmp(cp, "restrict"));
1038
1039       if((n_poption & n_PO_D_V) && !isfail && !isrestrict && *cp != '\0')
1040          n_err(_("Unknown *expandargv* value: %s\n"), cp);
1041
1042       if((cp = argv[i = a_main_oind]) != NULL){
1043          if(isfail || (isrestrict && (!(n_poption & n_PO_TILDE_FLAG) ||
1044                   !(n_psonce & n_PSO_INTERACTIVE)))){
1045             n_err(_("*expandargv* doesn't allow MTA arguments; consider "
1046                "using *sendmail-arguments*\n"));
1047             n_exit_status = n_EXIT_USE | n_EXIT_SEND_ERROR;
1048             goto jleave;
1049          }
1050          do{
1051             assert(n_smopts_cnt + 1 <= smopts_size);
1052             n_smopts[n_smopts_cnt++] = cp;
1053          }while((cp = argv[++i]) != NULL);
1054       }
1055    }
1056
1057    /* We had to wait until the resource files are loaded and any command line
1058     * setting has been restored, but get the termcap up and going before we
1059     * switch account or running commands */
1060 #ifdef n_HAVE_TCAP
1061    if((n_psonce & n_PSO_INTERACTIVE) && !(n_poption & n_PO_QUICKRUN_MASK))
1062       n_termcap_init();
1063 #endif
1064
1065    /* Now we can set the account */
1066    if(Aarg != NULL){
1067       char const *a[2];
1068
1069       a[0] = Aarg;
1070       a[1] = NULL;
1071       c_account(a);
1072    }
1073
1074    /* "load()" commands given on command line */
1075    if(Xargs_cnt > 0)
1076       n_load_Xargs(Xargs, Xargs_cnt);
1077
1078    /* Final tests */
1079    if(n_poption & n_PO_Mm_FLAG){
1080       if(qf == (char*)-1){
1081          if(!mime_type_check_mtname(n_poption_arg_Mm)){
1082             n_err(_("Could not find `mimetype' for -M argument: %s\n"),
1083                n_poption_arg_Mm);
1084             n_exit_status = n_EXIT_ERR;
1085             goto jleave;
1086          }
1087       }else if((n_poption_arg_Mm = mime_type_classify_filename(qf)) == NULL){
1088          n_err(_("Could not `mimetype'-classify -m argument: %s\n"),
1089             n_shexp_quote_cp(qf, FAL0));
1090          n_exit_status = n_EXIT_ERR;
1091          goto jleave;
1092       }else if(!asccasecmp(n_poption_arg_Mm, "text/plain")) /* TODO no: magic */
1093          n_poption_arg_Mm = NULL;
1094    }
1095
1096    /*
1097     * We're finally completely setup and ready to go
1098     */
1099    n_psonce |= n_PSO_STARTED;
1100
1101    if(!(n_psonce & n_PSO_SENDMODE)){
1102       n_exit_status = a_main_rcv_mode(folder, Larg);
1103       goto jleave;
1104    }
1105
1106    /* Now that full mailx(1)-style file expansion is possible handle the
1107     * attachments which we had delayed due to this.
1108     * This may use savestr(), but since we won't enter the command loop we
1109     * don't need to care about that */
1110    for(; a_head != NULL; a_head = a_head->aa_next){
1111       enum n_attach_error aerr;
1112
1113       attach = n_attachment_append(attach, a_head->aa_file, &aerr, NULL);
1114       if(aerr != n_ATTACH_ERR_NONE){
1115          n_exit_status = n_EXIT_ERR;
1116          goto jleave;
1117       }
1118    }
1119
1120    if(n_psonce & n_PSO_INTERACTIVE)
1121       n_tty_init();
1122    mail(to, cc, bcc, subject, attach, qf, ((n_poption & n_PO_F_FLAG) != 0));
1123    if(n_psonce & n_PSO_INTERACTIVE)
1124       n_tty_destroy();
1125
1126 jleave:
1127   /* Be aware of identical code for `exit' command! */
1128 #ifdef n_HAVE_TCAP
1129    if((n_psonce & n_PSO_INTERACTIVE) && !(n_poption & n_PO_QUICKRUN_MASK))
1130       n_termcap_destroy();
1131 #endif
1132
1133 j_leave:
1134 #ifdef HAVE_MEMORY_DEBUG
1135    n_memory_autorec_pop(NULL);
1136 #endif
1137 #if (defined HAVE_DEBUG || defined HAVE_DEVEL)
1138    n_memory_reset();
1139 #endif
1140    NYD_LEAVE;
1141    return n_exit_status;
1142 }
1143
1144 /* Source the others in that case! */
1145 #ifdef HAVE_AMALGAMATION
1146 # include "config.h"
1147 #endif
1148
1149 /* s-it-mode */