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 char const n_0[2] = "0";
  71 VL char const n_1[2] = "1";
  72 VL char const n_m1[3] = "-1";
  73 VL ui16_t const n_class_char[1 + 0x7F] = {
  74 #define a_BC C_BLANK | C_CNTRL
  75 #define a_SC C_SPACE | C_CNTRL
  76 #define a_WC C_WHITE | C_CNTRL
  77 /* 000 nul  001 soh  002 stx  003 etx  004 eot  005 enq  006 ack  007 bel */
  78    C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL,
  79 /* 010 bs   011 ht   012 nl   013 vt   014 np   015 cr   016 so   017 si */
  80    C_CNTRL, a_BC,    a_WC,    a_SC,    a_SC,    a_SC,    C_CNTRL, C_CNTRL,
  81 /* 020 dle  021 dc1  022 dc2  023 dc3  024 dc4  025 nak  026 syn  027 etb */
  82    C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL,
  83 /* 030 can  031 em   032 sub  033 esc  034 fs   035 gs   036 rs   037 us */
  84    C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL, C_CNTRL,
  85 #undef a_WC
  86 #undef a_SC
  87 #undef a_BC
  88 /* 040 sp   041  !   042  "   043  #   044  $   045  %   046  &   047  ' */
  89    C_BLANK, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
  90 /* 050  (   051  )   052  *   053  +   054  ,    055  -   056  .   057  / */
  91    C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
  92 /* 060  0   061  1   062  2   063  3   064  4   065  5   066  6   067  7 */
  93    C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL, C_OCTAL,
  94 /* 070  8   071  9   072  :   073  ;   074  <   075  =   076  >   077  ? */
  95    C_DIGIT, C_DIGIT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
  96 /* 100  @   101  A   102  B   103  C   104  D   105  E   106  F   107  G */
  97    C_PUNCT, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER,
  98 /* 110  H   111  I   112  J   113  K   114  L   115  M   116  N   117  O */
  99    C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER,
 100 /* 120  P   121  Q   122  R   123  S   124  T   125  U   126  V   127  W */
 101    C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER, C_UPPER,
 102 /* 130  X   131  Y   132  Z   133  [   134  \   135  ]   136  ^   137  _ */
 103    C_UPPER, C_UPPER, C_UPPER, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT,
 104 /* 140  `   141  a   142  b   143  c   144  d   145  e   146  f   147  g */
 105    C_PUNCT, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER,
 106 /* 150  h   151  i   152  j   153  k   154  l   155  m   156  n   157  o */
 107    C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER,
 108 /* 160  p   161  q   162  r   163  s   164  t   165  u   166  v   167  w */
 109    C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER, C_LOWER,
 110 /* 170  x   171  y   172  z   173  {   174  |   175  }   176  ~   177 del */
 111    C_LOWER, C_LOWER, C_LOWER, C_PUNCT, C_PUNCT, C_PUNCT, C_PUNCT, C_CNTRL
 112 };
 113
 114 /* Our own little getopt(3) */
 115 static char const *a_main_oarg;
 116 static int a_main_oind, /*_oerr,*/ a_main_oopt;
 117
 118 /* Our own little getopt(3); note --help is special-treated as 'h' */
 119 static int a_main_getopt(int argc, char * const argv[], char const *optstring);
 120
 121 /* Perform basic startup initialization */
 122 static void a_main_startup(void);
 123
 124 /* Grow a char** */
 125 static size_t a_main_grow_cpp(char const ***cpp, size_t newsize, size_t oldcnt);
 126
 127 /* Setup some variables which we require to be valid / verified */
 128 static void a_main_setup_vars(void);
 129
 130 /* We're in an interactive session - compute what the screen size for printing
 131  * headers etc. should be; notify tty upon resize if *is_sighdl* is not 0.
 132  * We use the following algorithm for the height:
 133  * If baud rate < 1200, use  9
 134  * If baud rate = 1200, use 14
 135  * If baud rate > 1200, use 24 or ws_row
 136  * Width is either 80 or ws_col */
 137 static void a_main_setscreensize(int is_sighdl);
 138
 139 /* Ok, we are reading mail.  Decide whether we are editing a mailbox or reading
 140  * the system mailbox, and open up the right stuff */
 141 static int a_main_rcv_mode(char const *folder, char const *Larg);
 142
 143 /* Interrupt printing of the headers */
 144 static void a_main_hdrstop(int signo);
 145
 146 static int
 147 a_main_getopt(int argc, char * const argv[], char const *optstring){
 148    static char const *lastp;
 149
 150    char const *curp;
 151    int rv/*, colon*/;
 152    NYD_ENTER;
 153
 154    a_main_oarg = NULL;
 155    rv = -1;
 156
 157    /*if((colon = (optstring[0] == ':')))
 158       ++optstring;*/
 159
 160    if(lastp != NULL){
 161       curp = lastp;
 162       lastp = NULL;
 163    }else{
 164       if(a_main_oind >= argc || argv[a_main_oind] == NULL ||
 165             argv[a_main_oind][0] != '-' || argv[a_main_oind][1] == '\0')
 166          goto jleave;
 167       if(argv[a_main_oind][1] == '-' && argv[a_main_oind][2] == '\0'){
 168          /* We need this in for MTA arg detection (easier) ++a_main_oind;*/
 169          goto jleave;
 170       }
 171       curp = &argv[a_main_oind][1];
 172    }
 173
 174    for(a_main_oopt = curp[0]; optstring[0] != '\0';){
 175       if(optstring[0] != a_main_oopt){
 176          optstring += 1 + (optstring[1] == ':');
 177          continue;
 178       }
 179
 180       if(optstring[1] == ':'){
 181          if(curp[1] != '\0'){
 182             a_main_oarg = n_UNCONST(curp + 1);
 183             ++a_main_oind;
 184          }else{
 185             if((a_main_oind += 2) > argc){
 186                /*if(!colon *//*&& _oerr*//*)*/{
 187                   n_err(_("%s: option requires an argument -- %c\n"),
 188                      argv[0], (char)a_main_oopt);
 189                }
 190                rv = (/*colon ? ':' :*/ '?');
 191                goto jleave;
 192             }
 193             a_main_oarg = argv[a_main_oind - 1];
 194          }
 195       }else{
 196          if(curp[1] != '\0')
 197             lastp = curp + 1;
 198          else
 199             ++a_main_oind;
 200       }
 201       rv = a_main_oopt;
 202       goto jleave;
 203    }
 204
 205    /* Special support for --help, which is quite common */
 206    if(a_main_oopt == '-' && !strcmp(curp, "-help") &&
 207          &curp[-1] == argv[a_main_oind]){
 208       ++a_main_oind;
 209       rv = 'h';
 210       goto jleave;
 211    }
 212
 213    /* Definitive error */
 214    /*if(!colon *//*&& opterr*//*)*/
 215       n_err(_("%s: invalid option -- %c\n"), argv[0], a_main_oopt);
 216    if(curp[1] != '\0')
 217       lastp = curp + 1;
 218    else
 219       ++a_main_oind;
 220    a_main_oarg = NULL;
 221    rv = '?';
 222 jleave:
 223    NYD_LEAVE;
 224    return rv;
 225 }
 226
 227 static void
 228 a_main_startup(void){
 229    char *cp;
 230    NYD_ENTER;
 231
 232    n_stdin = stdin;
 233    n_stdout = stdout;
 234    n_stderr = stderr;
 235    dflpipe = SIG_DFL;
 236    a_main_oind = /*_oerr =*/ 1;
 237
 238    if((cp = strrchr(n_progname, '/')) != NULL)
 239       n_progname = ++cp;
 240
 241    /* Set up a reasonable environment */
 242
 243 #ifdef HAVE_NYD
 244    safe_signal(SIGABRT, &_nyd_oncrash);
 245 # ifdef SIGBUS
 246    safe_signal(SIGBUS, &_nyd_oncrash);
 247 # endif
 248    safe_signal(SIGFPE, &_nyd_oncrash);
 249    safe_signal(SIGILL, &_nyd_oncrash);
 250    safe_signal(SIGSEGV, &_nyd_oncrash);
 251 #endif
 252    command_manager_start();
 253
 254    /* TODO This is wrong: interactive is STDIN/STDERR for a POSIX sh(1).
 255     * TODO For now we get this wrong, all over the place, as this software
 256     * TODO has always been developed with stdout as an output channel.
 257     * TODO Start doing it right for at least explicit terminal-related things,
 258     * TODO but v15 should use ONLY this, also for terminal input! */
 259    if(isatty(STDIN_FILENO)){
 260       n_psonce |= n_PSO_TTYIN;
 261 #if defined HAVE_MLE || defined HAVE_TERMCAP
 262       n_tty_fp = fdopen(fileno(n_stdin), "w");
 263       setvbuf(n_tty_fp, NULL, _IOLBF, 0);
 264 #endif
 265    }
 266    if(isatty(STDOUT_FILENO))
 267       n_psonce |= n_PSO_TTYOUT;
 268    if((n_psonce & (n_PSO_TTYIN | n_PSO_TTYOUT)) ==
 269          (n_PSO_TTYIN | n_PSO_TTYOUT)){
 270       n_psonce |= n_PSO_INTERACTIVE;
 271       safe_signal(SIGPIPE, dflpipe = SIG_IGN);
 272    }
 273
 274    /* STDOUT is always line buffered from our point of view */
 275    setvbuf(n_stdout, NULL, _IOLBF, 0);
 276    if(n_tty_fp == NULL)
 277       n_tty_fp = n_stdout;
 278
 279    /*  --  >8  --  8<  --  */
 280
 281 #ifndef HAVE_SETLOCALE
 282    n_mb_cur_max = 1;
 283 #else
 284    setlocale(LC_ALL, n_empty);
 285    n_mb_cur_max = MB_CUR_MAX;
 286 # ifdef HAVE_NL_LANGINFO
 287    if((cp = nl_langinfo(CODESET)) != NULL)
 288       ok_vset(ttycharset, cp);
 289 # endif
 290
 291 # ifdef HAVE_C90AMEND1
 292    if(n_mb_cur_max > 1){
 293 #  ifdef HAVE_ALWAYS_UNICODE_LOCALE
 294       n_psonce |= n_PSO_UNICODE;
 295 #  else
 296       wchar_t wc;
 297       if(mbtowc(&wc, "\303\266", 2) == 2 && wc == 0xF6 &&
 298             mbtowc(&wc, "\342\202\254", 3) == 3 && wc == 0x20AC)
 299          n_psonce |= n_PSO_UNICODE;
 300       /* Reset possibly messed up state; luckily this also gives us an
 301        * indication whether the encoding has locking shift state sequences */
 302       if(mbtowc(&wc, NULL, n_mb_cur_max))
 303          n_psonce |= n_PSO_ENC_MBSTATE;
 304 #  endif
 305    }
 306 # endif
 307 #endif
 308
 309 #ifdef HAVE_ICONV
 310    iconvd = (iconv_t)-1;
 311 #endif
 312    NYD_LEAVE;
 313 }
 314
 315 static size_t
 316 a_main_grow_cpp(char const ***cpp, size_t newsize, size_t oldcnt){
 317    /* Just use auto-reclaimed storage, it will be preserved */
 318    char const **newcpp;
 319    NYD_ENTER;
 320
 321    newcpp = salloc(sizeof(char*) * newsize);
 322
 323    if(oldcnt > 0)
 324       memcpy(newcpp, *cpp, oldcnt * sizeof(char*));
 325    *cpp = newcpp;
 326    NYD_LEAVE;
 327    return newsize;
 328 }
 329
 330 static void
 331 a_main_setup_vars(void){
 332    struct passwd *pwuid;
 333    char const *cp;
 334    NYD_ENTER;
 335
 336    n_group_id = getgid();
 337    if((pwuid = getpwuid(n_user_id = getuid())) == NULL)
 338       n_panic(_("Cannot associate a name with uid %lu"), (ul_i)n_user_id);
 339
 340    /* C99 */{
 341       char const *ep;
 342       bool_t doenv;
 343
 344       if(!(doenv = (ep = ok_vlook(LOGNAME)) == NULL) &&
 345             (doenv = strcmp(pwuid->pw_name, ep)))
 346          n_err(_("Warning: $LOGNAME (%s) not identical to user (%s)!\n"),
 347             ep, pwuid->pw_name);
 348       if(doenv){
 349          n_pstate |= n_PS_ROOT;
 350          ok_vset(LOGNAME, pwuid->pw_name);
 351          n_pstate &= ~n_PS_ROOT;
 352       }
 353
 354       if((ep = ok_vlook(USER)) != NULL && strcmp(pwuid->pw_name, ep)){
 355          n_err(_("Warning: $USER (%s) not identical to user (%s)!\n"),
 356             ep, pwuid->pw_name);
 357          n_pstate |= n_PS_ROOT;
 358          ok_vset(USER, pwuid->pw_name);
 359          n_pstate &= ~n_PS_ROOT;
 360       }
 361    }
 362
 363    /* XXX myfullname = pw->pw_gecos[OPTIONAL!] -> GUT THAT; TODO pw_shell */
 364
 365    /* Ensure some variables get loaded and/or verified */
 366
 367    /* This is not automatized just as $TMPDIR is for the initial setting, since
 368     * we have the pwuid at hand and can simply use it!  See accmacvar.c! */
 369    if((cp = ok_vlook(HOME)) == NULL){
 370       cp = pwuid->pw_dir;
 371       n_pstate |= n_PS_ROOT;
 372       ok_vset(HOME, cp);
 373       n_pstate &= ~n_PS_ROOT;
 374    }
 375
 376    (void)ok_vlook(TMPDIR);
 377    (void)ok_blook(POSIXLY_CORRECT);
 378    NYD_LEAVE;
 379 }
 380
 381 static void
 382 a_main_setscreensize(int is_sighdl){/* TODO globl policy; int wraps; minvals! */
 383    struct termios tbuf;
 384 #ifdef TIOCGWINSZ
 385    struct winsize ws;
 386 #elif defined TIOCGSIZE
 387    struct ttysize ts;
 388 #endif
 389    NYD_ENTER;
 390
 391    n_scrnheight = n_realscreenheight = n_scrnwidth = 0;
 392
 393    /* (Also) POSIX: LINES and COLUMNS always override.  Adjust this
 394     * a little bit to be able to honour resizes during our lifetime and
 395     * only honour it upon first run; abuse *is_sighdl* as an indicator */
 396    if(!is_sighdl){
 397       char const *cp;
 398
 399       /* We manage those variables for our child processes, so ensure they
 400        * are up to date, always */
 401       assert(n_psonce & n_PSO_INTERACTIVE);
 402       n_pstate |= n_PS_SIGWINCH_PEND;
 403
 404       if((cp = ok_vlook(LINES)) != NULL){
 405          n_idec_ui32_cp(&n_scrnheight, cp, 0, NULL);
 406          n_realscreenheight = n_scrnheight;
 407       }
 408       if((cp = ok_vlook(COLUMNS)) != NULL)
 409          n_idec_ui32_cp(&n_scrnwidth, cp, 0, NULL);
 410
 411       if(n_scrnwidth != 0 && n_scrnheight != 0)
 412          goto jleave;
 413    }
 414
 415 #ifdef TIOCGWINSZ
 416    if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1)
 417       ws.ws_col = ws.ws_row = 0;
 418 #elif defined TIOCGSIZE
 419    if(ioctl(STDOUT_FILENO, TIOCGSIZE, &ws) == -1)
 420       ts.ts_lines = ts.ts_cols = 0;
 421 #endif
 422
 423    if(n_scrnheight == 0){
 424       speed_t ospeed;
 425
 426       ospeed = ((tcgetattr(fileno(n_tty_fp), &tbuf) == -1)
 427             ? B9600 : cfgetospeed(&tbuf));
 428
 429       if(ospeed < B1200)
 430          n_scrnheight = 9;
 431       else if(ospeed == B1200)
 432          n_scrnheight = 14;
 433 #ifdef TIOCGWINSZ
 434       else if(ws.ws_row != 0)
 435          n_scrnheight = ws.ws_row;
 436 #elif defined TIOCGSIZE
 437       else if(ts.ts_lines != 0)
 438          n_scrnheight = ts.ts_lines;
 439 #endif
 440       else
 441          n_scrnheight = 24;
 442
 443 #if defined TIOCGWINSZ || defined TIOCGSIZE
 444       if(0 ==
 445 # ifdef TIOCGWINSZ
 446             (n_realscreenheight = ws.ws_row)
 447 # else
 448             (n_realscreenheight = ts.ts_lines)
 449 # endif
 450       )
 451          n_realscreenheight = 24;
 452 #endif
 453    }
 454
 455    if(n_scrnwidth == 0 && 0 ==
 456 #ifdef TIOCGWINSZ
 457          (n_scrnwidth = ws.ws_col)
 458 #elif defined TIOCGSIZE
 459          (n_scrnwidth = ts.ts_cols)
 460 #endif
 461    )
 462       n_scrnwidth = 80;
 463
 464 jleave:
 465 #ifdef SIGWINCH
 466    if(is_sighdl){
 467       assert(n_psonce & n_PSO_INTERACTIVE);
 468       n_pstate |= n_PS_SIGWINCH_PEND; /* XXX Not atomic */
 469       n_tty_signal(SIGWINCH);
 470    }
 471 #endif
 472    NYD_LEAVE;
 473 }
 474
 475 static sigjmp_buf a_main__hdrjmp; /* XXX */
 476
 477 static int
 478 a_main_rcv_mode(char const *folder, char const *Larg){
 479    int i;
 480    sighandler_type prevint;
 481    NYD_ENTER;
 482
 483    if(folder == NULL)
 484       folder = "%";
 485
 486    i = (n_poption & n_PO_QUICKRUN_MASK) ? FEDIT_RDONLY : FEDIT_NONE;
 487    i = setfile(folder, i);
 488    if(i < 0){
 489       n_exit_status = n_EXIT_ERR; /* error already reported */
 490       goto jquit;
 491    }
 492    if(n_poption & n_PO_QUICKRUN_MASK){
 493       n_exit_status = i;
 494       if(i == n_EXIT_OK && (!(n_poption & n_PO_EXISTONLY) ||
 495             (n_poption & n_PO_HEADERLIST)))
 496          print_header_summary(Larg);
 497       goto jquit;
 498    }
 499    temporary_folder_hook_check(FAL0);
 500
 501    if(i > 0 && !ok_blook(emptystart)){
 502       n_exit_status = n_EXIT_ERR;
 503       goto jleave;
 504    }
 505
 506    if(sigsetjmp(a_main__hdrjmp, 1) == 0){
 507       if((prevint = safe_signal(SIGINT, SIG_IGN)) != SIG_IGN)
 508          safe_signal(SIGINT, &a_main_hdrstop);
 509       if(ok_blook(header)){
 510          if(!ok_blook(quiet))
 511             fprintf(n_stdout, _("%s version %s.  Type `?' for help\n"),
 512                (ok_blook(bsdcompat) ? "Mail" : n_uagent), ok_vlook(version));
 513          announce(1);
 514          fflush(n_stdout);
 515       }
 516       safe_signal(SIGINT, prevint);
 517    }
 518
 519    /* Enter the command loop */
 520    if(n_psonce & n_PSO_INTERACTIVE)
 521       n_tty_init();
 522    n_commands();
 523    if(n_psonce & n_PSO_INTERACTIVE)
 524       n_tty_destroy();
 525
 526    if(mb.mb_type == MB_FILE || mb.mb_type == MB_MAILDIR){
 527       safe_signal(SIGHUP, SIG_IGN);
 528       safe_signal(SIGINT, SIG_IGN);
 529       safe_signal(SIGQUIT, SIG_IGN);
 530    }
 531 jquit:
 532    save_mbox_for_possible_quitstuff();
 533    quit(FAL0);
 534 jleave:
 535    NYD_LEAVE;
 536    return n_exit_status;
 537 }
 538
 539 static void
 540 a_main_hdrstop(int signo){
 541    NYD_X; /* Signal handler */
 542    n_UNUSED(signo);
 543
 544    fflush(n_stdout);
 545    n_err_sighdl(_("\nInterrupt\n"));
 546    siglongjmp(a_main__hdrjmp, 1);
 547 }
 548
 549 int
 550 main(int argc, char *argv[]){
 551    /* Keep in SYNC: ./nail.1:"SYNOPSIS, main() */
 552    static char const
 553       optstr[] = "A:a:Bb:c:dEeFfHhiL:M:m:NnO:q:Rr:S:s:tu:VvX:::~#.",
 554       usagestr[] = N_(
 555          "Synopsis:\n"
 556          "  %s -h\n"
 557
 558          "  %s [-BdEFintv~] [-: spec] [-A account]\n"
 559          "\t [-a attachment] [-b bcc-addr] [-c cc-addr]\n"
 560          "\t [-M type | -m file | -q file | -t]\n"
 561          "\t [-r from-addr] [-S var[=value]..]\n"
 562          "\t [-s subject] [-X cmd] [-.] to-addr.. [-- mta-option..]\n"
 563
 564          "  %s [-BdEeHiNnRv~] [-: spec] [-A account]\n"
 565          "\t [-L spec-list] [-r from-addr] [-S var[=value]..]\n"
 566          "\t [-u user] [-X cmd] [-- mta-option..]\n"
 567
 568          "  %s [-BdEeHiNnRv~#] [-: spec] [-A account] -f\n"
 569          "\t [-L spec-list] [-r from-addr] [-S var[=value]..]\n"
 570          "\t [-X cmd] [file] [-- mta-option..]\n"
 571       );
 572 #define _USAGE_ARGS , n_progname, n_progname, n_progname, n_progname
 573
 574    int i;
 575    char *cp;
 576    enum{
 577       a_RF_NONE = 0,
 578       a_RF_SET = 1<<0,
 579       a_RF_SYSTEM = 1<<1,
 580       a_RF_USER = 1<<2,
 581       a_RF_ALL = a_RF_SYSTEM | a_RF_USER
 582    } resfiles;
 583    size_t oargs_size, oargs_cnt, Xargs_size, Xargs_cnt, smopts_size;
 584    char const *Aarg, *emsg, *folder, *Larg, *okey, **oargs, *qf,
 585       *subject, *uarg, **Xargs;
 586    struct attachment *attach;
 587    struct name *to, *cc, *bcc;
 588    struct a_arg *a_head, *a_curr;
 589    NYD_ENTER;
 590
 591    a_head = NULL;
 592    n_UNINIT(a_curr, NULL);
 593    to = cc = bcc = NULL;
 594    attach = NULL;
 595    Aarg = emsg = folder = Larg = okey = qf = subject = uarg = NULL;
 596    oargs = Xargs = NULL;
 597    oargs_size = oargs_cnt = Xargs_size = Xargs_cnt = smopts_size = 0;
 598    resfiles = a_RF_ALL;
 599
 600    /*
 601     * Start our lengthy setup, finalize by setting n_PSO_STARTED
 602     */
 603
 604    n_progname = argv[0];
 605    a_main_startup();
 606
 607    /* Command line parsing
 608     * Variable settings need to be done twice, since the user surely wants the
 609     * setting to take effect immediately, but also doesn't want it to be
 610     * overwritten from within resource files */
 611    while((i = a_main_getopt(argc, argv, optstr)) >= 0){
 612       switch(i){
 613       case 'A':
 614          /* Execute an account command later on */
 615          Aarg = a_main_oarg;
 616          break;
 617       case 'a':{
 618          struct a_arg *nap;
 619
 620          n_psonce |= n_PSO_SENDMODE;
 621          nap = salloc(sizeof(struct a_arg));
 622          if(a_head == NULL)
 623             a_head = nap;
 624          else
 625             a_curr->aa_next = nap;
 626          nap->aa_next = NULL;
 627          nap->aa_file = a_main_oarg;
 628          a_curr = nap;
 629       }  break;
 630       case 'B':
 631          n_OBSOLETE(_("-B is obsolete, please use -# as necessary"));
 632          break;
 633       case 'b':
 634          /* Get Blind Carbon Copy Recipient list */
 635          n_psonce |= n_PSO_SENDMODE;
 636          bcc = cat(bcc, lextract(a_main_oarg, GBCC | GFULL));
 637          break;
 638       case 'c':
 639          /* Get Carbon Copy Recipient list */
 640          n_psonce |= n_PSO_SENDMODE;
 641          cc = cat(cc, lextract(a_main_oarg, GCC | GFULL));
 642          break;
 643       case 'd':
 644          ok_bset(debug);
 645          okey = "debug";
 646          goto joarg;
 647       case 'E':
 648          n_OBSOLETE(_("-E will be removed, please use \"-Sskipemptybody\""));
 649          ok_bset(skipemptybody);
 650          okey = "skipemptybody";
 651          goto joarg;
 652       case 'e':
 653          n_poption |= n_PO_EXISTONLY;
 654          break;
 655       case 'F':
 656          n_poption |= n_PO_F_FLAG;
 657          n_psonce |= n_PSO_SENDMODE;
 658          break;
 659       case 'f':
 660          /* User is specifying file to "edit" with Mail, as opposed to reading
 661           * system mailbox.  If no argument is given, we read his mbox file.
 662           * Check for remaining arguments later */
 663          folder = "&";
 664          break;
 665       case 'H':
 666          n_poption |= n_PO_HEADERSONLY;
 667          break;
 668       case 'h':
 669          n_err(V_(usagestr) _USAGE_ARGS);
 670          goto j_leave;
 671       case 'i':
 672          /* Ignore interrupts */
 673          ok_bset(ignore);
 674          okey = "ignore";
 675          goto joarg;
 676       case 'L':
 677          Larg = a_main_oarg;
 678          n_poption |= n_PO_HEADERLIST;
 679          if(*Larg == '"' || *Larg == '\''){ /* TODO list.c:listspec_check() */
 680             size_t j;
 681
 682             j = strlen(++Larg);
 683             if(j > 0){
 684                cp = savestrbuf(Larg, --j);
 685                Larg = cp;
 686             }
 687          }
 688          break;
 689       case 'M':
 690          if(qf != NULL && (!(n_poption & n_PO_Mm_FLAG) || qf != (char*)-1))
 691             goto jeMmq;
 692          n_poption_arg_Mm = a_main_oarg;
 693          qf = (char*)-1;
 694          if(0){
 695             /* FALLTHRU*/
 696       case 'm':
 697             if(qf != NULL && (!(n_poption & n_PO_Mm_FLAG) || qf == (char*)-1))
 698                goto jeMmq;
 699             qf = a_main_oarg;
 700          }
 701          n_poption |= n_PO_Mm_FLAG;
 702          n_psonce |= n_PSO_SENDMODE;
 703          break;
 704       case 'N':
 705          /* Avoid initial header printing */
 706          ok_bclear(header);
 707          okey = "noheader";
 708          goto joarg;
 709       case 'n':
 710          /* Don't source "unspecified system start-up file" */
 711          if(resfiles & a_RF_SET){
 712             emsg = N_("-n cannot be used in conjunction with -:");
 713             goto jusage;
 714          }
 715          resfiles = a_RF_USER;
 716          break;
 717       case 'O':
 718          /* Additional options to pass-through to MTA TODO v15-compat legacy */
 719          if(n_smopts_cnt == smopts_size)
 720             smopts_size = a_main_grow_cpp(&n_smopts, smopts_size + 8,
 721                   n_smopts_cnt);
 722          n_smopts[n_smopts_cnt++] = a_main_oarg;
 723          break;
 724       case 'q':
 725          if(qf != NULL && (n_poption & n_PO_Mm_FLAG)){
 726 jeMmq:
 727             emsg = N_("Only one of -M, -m or -q may be given");
 728             goto jusage;
 729          }
 730          /* Quote file TODO drop? -Q with real quote?? what ? */
 731          n_psonce |= n_PSO_SENDMODE;
 732          /* Allow for now, we have to special check validity of -q- later on! */
 733          qf = (a_main_oarg[0] == '-' && a_main_oarg[1] == '\0')
 734                ? (char*)-1 : a_main_oarg;
 735          break;
 736       case 'R':
 737          /* Open folders read-only */
 738          n_poption |= n_PO_R_FLAG;
 739          break;
 740       case 'r':
 741          /* Set From address. */
 742          n_poption |= n_PO_r_FLAG;
 743          if(a_main_oarg[0] != '\0'){
 744             struct name *fa;
 745
 746             fa = nalloc(a_main_oarg, GSKIN | GFULL | GFULLEXTRA);
 747             if(is_addr_invalid(fa, EACM_STRICT | EACM_NOLOG)){
 748                emsg = N_("Invalid address argument with -r");
 749                goto jusage;
 750             }
 751             n_poption_arg_r = fa;
 752             /* TODO -r options is set in n_smopts, but may
 753              * TODO be overwritten by setting from= in
 754              * TODO an interactive session!
 755              * TODO Maybe disable setting of from?
 756              * TODO Warn user?  Update manual!! */
 757             okey = savecat("from=", fa->n_fullname);
 758             goto joarg;
 759          }
 760          break;
 761       case 'S':
 762          /* Set variable (TODO twice [only if successful]) */
 763          {  char const *a[2];
 764             bool_t b;
 765
 766             okey = a[0] = a_main_oarg;
 767             a[1] = NULL;
 768             n_pstate |= n_PS_ROBOT;
 769             b = (c_set(a) == 0);
 770             n_pstate &= ~n_PS_ROBOT;
 771             if(!b)
 772                break;
 773          }
 774 joarg:
 775          if(oargs_cnt == oargs_size)
 776             oargs_size = a_main_grow_cpp(&oargs, oargs_size + 8, oargs_cnt);
 777          oargs[oargs_cnt++] = okey;
 778          break;
 779       case 's':
 780          /* Subject:; take care for Debian #419840 and strip any \r and \n */
 781          if(n_anyof_cp("\n\r", subject = a_main_oarg)){
 782             n_err(_("-s: normalizing away invalid ASCII NL / CR bytes\n"));
 783             for(subject = cp = savestr(a_main_oarg); *cp != '\0'; ++cp)
 784                if(*cp == '\n' || *cp == '\r')
 785                   *cp = ' ';
 786          }
 787          n_psonce |= n_PSO_SENDMODE;
 788          break;
 789       case 't':
 790          /* Read defined set of headers from mail to be sent */
 791          n_poption |= n_PO_t_FLAG;
 792          n_psonce |= n_PSO_SENDMODE;
 793          break;
 794       case 'u':
 795          uarg = savecat("%", a_main_oarg);
 796          break;
 797       case 'V':
 798          fprintf(n_stdout, _("%s version %s\n"), n_uagent, ok_vlook(version));
 799          n_exit_status = n_EXIT_OK;
 800          goto j_leave;
 801       case 'v':
 802          /* Be verbose */
 803          ok_bset(verbose);
 804          okey = "verbose";
 805          goto joarg;
 806       case 'X':
 807          /* Add to list of commands to exec before entering normal operation */
 808          if(Xargs_cnt == Xargs_size)
 809             Xargs_size = a_main_grow_cpp(&Xargs, Xargs_size + 8, Xargs_cnt);
 810          Xargs[Xargs_cnt++] = a_main_oarg;
 811          break;
 812       case ':':
 813          /* Control which resource files shall be loaded */
 814          if(!(resfiles & (a_RF_SET | a_RF_SYSTEM))){
 815             emsg = N_("-n cannot be used in conjunction with -:");
 816             goto jusage;
 817          }
 818          resfiles = a_RF_SET;
 819          while((i = *a_main_oarg++) != '\0')
 820             switch(i){
 821             case 'S': case 's': resfiles |= a_RF_SYSTEM; break;
 822             case 'U': case 'u': resfiles |= a_RF_USER; break;
 823             case ':': case '/': resfiles &= ~a_RF_ALL; break;
 824             default:
 825                emsg = N_("Invalid argument of -:");
 826                goto jusage;
 827             }
 828          break;
 829       case '~':
 830          /* Enable command escapes even in non-interactive mode */
 831          n_poption |= n_PO_TILDE_FLAG;
 832          break;
 833       case '#':
 834          /* Work in batch mode, even if non-interactive */
 835          if(!(n_psonce & n_PSO_INTERACTIVE))
 836             setvbuf(n_stdin, NULL, _IOLBF, 0);
 837          n_poption |= n_PO_TILDE_FLAG | n_PO_BATCH_FLAG;
 838          if (oargs_cnt + 8 >= oargs_size)
 839             oargs_size = a_main_grow_cpp(&oargs, oargs_size + 9, oargs_cnt);
 840          folder = "/dev/null";
 841          ok_vset(MAIL, folder);
 842          ok_vset(MBOX, folder);
 843          ok_bset(emptystart);
 844          ok_bclear(header);
 845          ok_vset(inbox, folder);
 846          ok_bset(quiet);
 847          ok_bset(sendwait);
 848          ok_bset(typescript_mode);
 849          oargs[oargs_cnt + 0] = "MAIL=/dev/null";
 850          oargs[oargs_cnt + 1] = "MBOX=/dev/null";
 851          oargs[oargs_cnt + 2] = "emptystart";
 852          oargs[oargs_cnt + 3] = "noheader";
 853          oargs[oargs_cnt + 4] = "inbox=/dev/null";
 854          oargs[oargs_cnt + 5] = "quiet";
 855          oargs[oargs_cnt + 6] = "sendwait";
 856          oargs[oargs_cnt + 7] = "typescript-mode";
 857          oargs_cnt += 8;
 858          break;
 859       case '.':
 860          n_psonce |= n_PSO_SENDMODE;
 861          goto jgetopt_done;
 862       case '?':
 863 jusage:
 864          if(emsg != NULL)
 865             n_err("%s\n", V_(emsg));
 866          n_err(V_(usagestr) _USAGE_ARGS);
 867 #undef _USAGE_ARGS
 868          n_exit_status = n_EXIT_USE;
 869          goto j_leave;
 870       }
 871    }
 872 jgetopt_done:
 873    ;
 874
 875    /* The normal arguments may be followed by MTA arguments after a "--";
 876     * however, -f may take off an argument, too, and before that.
 877     * Since MTA arguments after "--" require *expandargv*, delay parsing off
 878     * those options until after the resource files are loaded... */
 879    if((cp = argv[i = a_main_oind]) == NULL)
 880       ;
 881    else if(cp[0] == '-' && cp[1] == '-' && cp[2] == '\0')
 882       ++i;
 883    /* n_PO_BATCH_FLAG sets to /dev/null, but -f can still be used and sets & */
 884    else if(folder != NULL && /*folder[0] == '&' &&*/ folder[1] == '\0'){
 885       folder = cp;
 886       if((cp = argv[++i]) != NULL){
 887          if(cp[0] != '-' || cp[1] != '-' || cp[2] != '\0'){
 888             emsg = N_("More than one file given with -f");
 889             goto jusage;
 890          }
 891          ++i;
 892       }
 893    }else{
 894       n_psonce |= n_PSO_SENDMODE;
 895       for(;;){
 896          to = cat(to, lextract(cp, GTO | GFULL));
 897          if((cp = argv[++i]) == NULL)
 898             break;
 899          if(cp[0] == '-' && cp[1] == '-' && cp[2] == '\0'){
 900             ++i;
 901             break;
 902          }
 903       }
 904    }
 905    a_main_oind = i;
 906
 907    /* ...BUT, since we use salloc() for the MTA n_smopts storage we need to
 908     * allocate the necessary space for them before we fixate that storage! */
 909    while(argv[i] != NULL)
 910       ++i;
 911    if(n_smopts_cnt + i > smopts_size)
 912       DBG(smopts_size =)
 913       a_main_grow_cpp(&n_smopts, n_smopts_cnt + i + 1, n_smopts_cnt);
 914
 915    /* Check for inconsistent arguments, fix some temporaries */
 916    if(n_psonce & n_PSO_SENDMODE){
 917       /* XXX This is only because BATCH_FLAG sets *folder*=/dev/null
 918        * XXX in order to function.  Ideally that would not be needed */
 919       if(folder != NULL && !(n_poption & n_PO_BATCH_FLAG)){
 920          emsg = N_("Cannot give -f and people to send to.");
 921          goto jusage;
 922       }
 923       if(uarg != NULL){
 924          emsg = N_("The -u option cannot be used in send mode");
 925          goto jusage;
 926       }
 927       if(!(n_poption & n_PO_t_FLAG) && to == NULL){
 928          emsg = N_("Send options without primary recipient specified.");
 929          goto jusage;
 930       }
 931       if((n_poption & n_PO_t_FLAG) && qf != NULL){
 932          emsg = N_("The -M, -m, -q and -t options are mutual exclusive.");
 933          goto jusage;
 934       }
 935       if(n_poption & (n_PO_EXISTONLY | n_PO_HEADERSONLY | n_PO_HEADERLIST)){
 936          emsg = N_("The -e, -H and -L options cannot be used in send mode.");
 937          goto jusage;
 938       }
 939       if(n_poption & n_PO_R_FLAG){
 940          emsg = N_("The -R option is meaningless in send mode.");
 941          goto jusage;
 942       }
 943
 944       if(n_psonce & n_PSO_INTERACTIVE){
 945          if(qf == (char*)-1){
 946             if(!(n_poption & n_PO_Mm_FLAG))
 947                emsg = N_("-q can't use standard input when interactive.\n");
 948             goto jusage;
 949          }
 950       }
 951    }else{
 952       if(uarg != NULL && folder != NULL){
 953          emsg = N_("The options -u and -f (and -#) are mutually exclusive");
 954          goto jusage;
 955       }
 956       if((n_poption & (n_PO_EXISTONLY | n_PO_HEADERSONLY)) ==
 957             (n_PO_EXISTONLY | n_PO_HEADERSONLY)){
 958          emsg = N_("The options -e and -H are mutual exclusive");
 959          goto jusage;
 960       }
 961       if((n_poption & (n_PO_HEADERSONLY | n_PO_HEADERLIST) /* TODO OBSOLETE */
 962             ) == (n_PO_HEADERSONLY | n_PO_HEADERLIST))
 963          n_OBSOLETE(_("please use \"-e -L xy\" instead of \"-H -L xy\""));
 964
 965       if(uarg != NULL)
 966          folder = uarg;
 967    }
 968
 969    /*
 970     * Likely to go, perform more setup
 971     */
 972
 973    a_main_setup_vars();
 974
 975    if(n_psonce & n_PSO_INTERACTIVE){
 976       a_main_setscreensize(0);
 977 #ifdef SIGWINCH
 978 # ifndef TTY_WANTS_SIGWINCH
 979       if(safe_signal(SIGWINCH, SIG_IGN) != SIG_IGN)
 980 # endif
 981          safe_signal(SIGWINCH, &a_main_setscreensize);
 982 #endif
 983    }else
 984       n_scrnheight = n_realscreenheight = 24, n_scrnwidth = 80;
 985
 986    /* Fixate the current snapshot of our global auto-reclaimed storage instance.
 987     * Memory is auto-reclaimed from now on */
 988    n_memory_autorec_fixate();
 989
 990    /* load() any resource files */
 991    if(resfiles & a_RF_ALL){
 992       /* *expand() returns a savestr(), but load only uses the file name for
 993        * fopen(), so it's safe to do this */
 994       if(resfiles & a_RF_SYSTEM){
 995          bool_t nload;
 996
 997          if((nload = ok_blook(NAIL_NO_SYSTEM_RC)))
 998             n_OBSOLETE(_("Please use $MAILX_NO_SYSTEM_RC instead of "
 999                "$NAIL_NO_SYSTEM_RC"));
1000          if(!nload && !ok_blook(MAILX_NO_SYSTEM_RC))
1001             n_load(VAL_SYSCONFDIR "/" VAL_SYSCONFRC);
1002       }
1003
1004       if(resfiles & a_RF_USER)
1005          n_load(fexpand(ok_vlook(MAILRC), FEXP_LOCAL | FEXP_NOPROTO));
1006
1007       if((cp = ok_vlook(NAIL_EXTRA_RC)) != NULL)
1008          n_OBSOLETE(_("Please use *mailx-extra-rc*, not *NAIL_EXTRA_RC*"));
1009       if(cp != NULL || (cp = ok_vlook(mailx_extra_rc)) != NULL)
1010          n_load(fexpand(cp, FEXP_LOCAL | FEXP_NOPROTO));
1011    }
1012
1013    /* Ensure the -S and other command line options take precedence over
1014     * anything that may have been placed in resource files.
1015     * Our "ternary binary" option *verbose* needs special treament */
1016    if((n_poption & (n_PO_VERB | n_PO_VERBVERB)) == n_PO_VERB)
1017       n_poption &= ~n_PO_VERB;
1018    /* ..and be silent when unsetting an undefined variable */
1019    n_pstate |= n_PS_ROBOT;
1020    for(i = 0; UICMP(z, i, <, oargs_cnt); ++i){
1021       char const *a[2];
1022
1023       a[0] = oargs[i];
1024       a[1] = NULL;
1025       c_set(a);
1026    }
1027    n_pstate &= ~n_PS_ROBOT;
1028
1029    /* Cause possible umask(2), now that any setting is established, and before
1030     * we change accounts, evaluate commands etc. */
1031    (void)ok_vlook(umask);
1032
1033    /* Additional options to pass-through to MTA, and allowed to do so? */
1034    if((cp = ok_vlook(expandargv)) != NULL){
1035       bool_t isfail, isrestrict;
1036
1037       isfail = !asccasecmp(cp, "fail");
1038       isrestrict = (!isfail && !asccasecmp(cp, "restrict"));
1039
1040       if((n_poption & n_PO_D_V) && !isfail && !isrestrict && *cp != '\0')
1041          n_err(_("Unknown *expandargv* value: %s\n"), cp);
1042
1043       if((cp = argv[i = a_main_oind]) != NULL){
1044          if(isfail || (isrestrict && (!(n_poption & n_PO_TILDE_FLAG) ||
1045                   !(n_psonce & n_PSO_INTERACTIVE)))){
1046             n_err(_("*expandargv* doesn't allow MTA arguments; consider "
1047                "using *sendmail-arguments*\n"));
1048             n_exit_status = n_EXIT_USE | n_EXIT_SEND_ERROR;
1049             goto jleave;
1050          }
1051          do{
1052             assert(n_smopts_cnt + 1 <= smopts_size);
1053             n_smopts[n_smopts_cnt++] = cp;
1054          }while((cp = argv[++i]) != NULL);
1055       }
1056    }
1057
1058    /* We had to wait until the resource files are loaded and any command line
1059     * setting has been restored, but get the termcap up and going before we
1060     * switch account or running commands */
1061 #ifdef n_HAVE_TCAP
1062    if((n_psonce & n_PSO_INTERACTIVE) && !(n_poption & n_PO_QUICKRUN_MASK))
1063       n_termcap_init();
1064 #endif
1065
1066    /* Now we can set the account */
1067    if(Aarg != NULL){
1068       char const *a[2];
1069
1070       a[0] = Aarg;
1071       a[1] = NULL;
1072       c_account(a);
1073    }
1074
1075    /* "load()" commands given on command line */
1076    if(Xargs_cnt > 0)
1077       n_load_Xargs(Xargs, Xargs_cnt);
1078
1079    /* Final tests */
1080    if(n_poption & n_PO_Mm_FLAG){
1081       if(qf == (char*)-1){
1082          if(!mime_type_check_mtname(n_poption_arg_Mm)){
1083             n_err(_("Could not find `mimetype' for -M argument: %s\n"),
1084                n_poption_arg_Mm);
1085             n_exit_status = n_EXIT_ERR;
1086             goto jleave;
1087          }
1088       }else if((n_poption_arg_Mm = mime_type_classify_filename(qf)) == NULL){
1089          n_err(_("Could not `mimetype'-classify -m argument: %s\n"),
1090             n_shexp_quote_cp(qf, FAL0));
1091          n_exit_status = n_EXIT_ERR;
1092          goto jleave;
1093       }else if(!asccasecmp(n_poption_arg_Mm, "text/plain")) /* TODO no: magic */
1094          n_poption_arg_Mm = NULL;
1095    }
1096
1097    /*
1098     * We're finally completely setup and ready to go
1099     */
1100    n_psonce |= n_PSO_STARTED;
1101
1102    if(!(n_psonce & n_PSO_SENDMODE)){
1103       n_exit_status = a_main_rcv_mode(folder, Larg);
1104       goto jleave;
1105    }
1106
1107    /* Now that full mailx(1)-style file expansion is possible handle the
1108     * attachments which we had delayed due to this.
1109     * This may use savestr(), but since we won't enter the command loop we
1110     * don't need to care about that */
1111    for(; a_head != NULL; a_head = a_head->aa_next){
1112       enum n_attach_error aerr;
1113
1114       attach = n_attachment_append(attach, a_head->aa_file, &aerr, NULL);
1115       if(aerr != n_ATTACH_ERR_NONE){
1116          n_exit_status = n_EXIT_ERR;
1117          goto jleave;
1118       }
1119    }
1120
1121    if(n_psonce & n_PSO_INTERACTIVE)
1122       n_tty_init();
1123    mail(to, cc, bcc, subject, attach, qf, ((n_poption & n_PO_F_FLAG) != 0));
1124    if(n_psonce & n_PSO_INTERACTIVE)
1125       n_tty_destroy();
1126
1127 jleave:
1128   /* Be aware of identical code for `exit' command! */
1129 #ifdef n_HAVE_TCAP
1130    if((n_psonce & n_PSO_INTERACTIVE) && !(n_poption & n_PO_QUICKRUN_MASK))
1131       n_termcap_destroy();
1132 #endif
1133
1134 j_leave:
1135 #ifdef HAVE_MEMORY_DEBUG
1136    n_memory_autorec_pop(NULL);
1137 #endif
1138 #if (defined HAVE_DEBUG || defined HAVE_DEVEL)
1139    n_memory_reset();
1140 #endif
1141    NYD_LEAVE;
1142    return n_exit_status;
1143 }
1144
1145 /* Source the others in that case! */
1146 #ifdef HAVE_AMALGAMATION
1147 # include "config.h"
1148 #endif
1149
1150 /* s-it-mode */