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    image = -1;
 230    dflpipe = SIG_DFL;
 231    a_main_oind = /*_oerr =*/ 1;
 232
 233    if((cp = strrchr(n_progname, '/')) != NULL)
 234       n_progname = ++cp;
 235
 236    /* Set up a reasonable environment */
 237
 238 #ifdef HAVE_NYD
 239    safe_signal(SIGABRT, &_nyd_oncrash);
 240 # ifdef SIGBUS
 241    safe_signal(SIGBUS, &_nyd_oncrash);
 242 # endif
 243    safe_signal(SIGFPE, &_nyd_oncrash);
 244    safe_signal(SIGILL, &_nyd_oncrash);
 245    safe_signal(SIGSEGV, &_nyd_oncrash);
 246 #endif
 247    command_manager_start();
 248
 249    /* TODO This is wrong: interactive is STDIN/STDERR for a POSIX sh(1).
 250     * TODO For now we get this wrong, all over the place, as this software
 251     * TODO has always been developed with stdout as an output channel.
 252     * TODO Start doing it right for at least explicit terminal-related things,
 253     * TODO but v15 should use ONLY this, also for terminal input! */
 254    if(isatty(STDIN_FILENO)){
 255       n_psonce |= n_PSO_TTYIN;
 256 #if defined HAVE_MLE || defined HAVE_TERMCAP
 257       n_tty_fp = fdopen(fileno(stdin), "w");
 258       setvbuf(n_tty_fp, NULL, _IOLBF, 0);
 259 #endif
 260    }
 261    if(isatty(STDOUT_FILENO))
 262       n_psonce |= n_PSO_TTYOUT;
 263    if((n_psonce & (n_PSO_TTYIN | n_PSO_TTYOUT)) ==
 264          (n_PSO_TTYIN | n_PSO_TTYOUT)){
 265       n_psonce |= n_PSO_INTERACTIVE;
 266       safe_signal(SIGPIPE, dflpipe = SIG_IGN);
 267    }
 268
 269    /* STDOUT is always line buffered from our point of view */
 270    setvbuf(stdout, NULL, _IOLBF, 0);
 271    if(n_tty_fp == NULL)
 272       n_tty_fp = stdout;
 273
 274    /*  --  >8  --  8<  --  */
 275
 276 #ifndef HAVE_SETLOCALE
 277    n_mb_cur_max = 1;
 278 #else
 279    setlocale(LC_ALL, n_empty);
 280    n_mb_cur_max = MB_CUR_MAX;
 281 # ifdef HAVE_NL_LANGINFO
 282    if((cp = nl_langinfo(CODESET)) != NULL)
 283       ok_vset(ttycharset, cp);
 284 # endif
 285
 286 # ifdef HAVE_C90AMEND1
 287    if(n_mb_cur_max > 1){
 288 #  ifdef HAVE_ALWAYS_UNICODE_LOCALE
 289       n_psonce |= n_PSO_UNICODE;
 290 #  else
 291       wchar_t wc;
 292       if(mbtowc(&wc, "\303\266", 2) == 2 && wc == 0xF6 &&
 293             mbtowc(&wc, "\342\202\254", 3) == 3 && wc == 0x20AC)
 294          n_psonce |= n_PSO_UNICODE;
 295       /* Reset possibly messed up state; luckily this also gives us an
 296        * indication whether the encoding has locking shift state sequences */
 297       if(mbtowc(&wc, NULL, n_mb_cur_max))
 298          n_psonce |= n_PSO_ENC_MBSTATE;
 299 #  endif
 300    }
 301 # endif
 302 #endif
 303
 304 #ifdef HAVE_ICONV
 305    iconvd = (iconv_t)-1;
 306 #endif
 307    NYD_LEAVE;
 308 }
 309
 310 static size_t
 311 a_main_grow_cpp(char const ***cpp, size_t newsize, size_t oldcnt){
 312    /* Just use auto-reclaimed storage, it will be preserved */
 313    char const **newcpp;
 314    NYD_ENTER;
 315
 316    newcpp = salloc(sizeof(char*) * newsize);
 317
 318    if(oldcnt > 0)
 319       memcpy(newcpp, *cpp, oldcnt * sizeof(char*));
 320    *cpp = newcpp;
 321    NYD_LEAVE;
 322    return newsize;
 323 }
 324
 325 static void
 326 a_main_setup_vars(void){
 327    struct passwd *pwuid;
 328    char const *cp;
 329    NYD_ENTER;
 330
 331    n_group_id = getgid();
 332    if((pwuid = getpwuid(n_user_id = getuid())) == NULL)
 333       n_panic(_("Cannot associate a name with uid %lu"), (ul_i)n_user_id);
 334
 335    /* C99 */{
 336       char const *ep;
 337       bool_t doenv;
 338
 339       if(!(doenv = (ep = ok_vlook(LOGNAME)) == NULL) &&
 340             (doenv = strcmp(pwuid->pw_name, ep)))
 341          n_err(_("Warning: $LOGNAME (%s) not identical to user (%s)!\n"),
 342             ep, pwuid->pw_name);
 343       if(doenv){
 344          n_pstate |= n_PS_ROOT;
 345          ok_vset(LOGNAME, pwuid->pw_name);
 346          n_pstate &= ~n_PS_ROOT;
 347       }
 348
 349       if((ep = ok_vlook(USER)) != NULL && strcmp(pwuid->pw_name, ep)){
 350          n_err(_("Warning: $USER (%s) not identical to user (%s)!\n"),
 351             ep, pwuid->pw_name);
 352          n_pstate |= n_PS_ROOT;
 353          ok_vset(USER, pwuid->pw_name);
 354          n_pstate &= ~n_PS_ROOT;
 355       }
 356    }
 357
 358    /* XXX myfullname = pw->pw_gecos[OPTIONAL!] -> GUT THAT; TODO pw_shell */
 359
 360    /* */
 361    if((cp = ok_vlook(HOME)) == NULL ||
 362          !is_dir(cp) || access(cp, R_OK | W_OK | X_OK)){
 363       cp = pwuid->pw_dir;
 364       n_pstate |= n_PS_ROOT;
 365       ok_vset(HOME, cp);
 366       n_pstate &= ~n_PS_ROOT;
 367    }
 368
 369    cp = ok_vlook(TMPDIR);
 370    assert(cp != NULL);
 371    if(!is_dir(cp) || access(cp, R_OK | W_OK | X_OK))
 372       ok_vclear(TMPDIR);
 373
 374    /* Ensure some variables get loaded */
 375    (void)ok_blook(POSIXLY_CORRECT);
 376    NYD_LEAVE;
 377 }
 378
 379 static void
 380 a_main_setscreensize(int is_sighdl){/* TODO globl policy; int wraps; minvals! */
 381    struct termios tbuf;
 382 #ifdef TIOCGWINSZ
 383    struct winsize ws;
 384 #elif defined TIOCGSIZE
 385    struct ttysize ts;
 386 #endif
 387    NYD_ENTER;
 388
 389    n_scrnheight = n_realscreenheight = n_scrnwidth = 0;
 390
 391    /* (Also) POSIX: LINES and COLUMNS always override.  Adjust this
 392     * a little bit to be able to honour resizes during our lifetime and
 393     * only honour it upon first run; abuse *is_sighdl* as an indicator */
 394    if(!is_sighdl){
 395       char const *cp;
 396
 397       /* We manage those variables for our child processes, so ensure they
 398        * are up to date, always */
 399       if(n_psonce & n_PSO_INTERACTIVE)
 400          n_pstate |= n_PS_SIGWINCH_PEND;
 401
 402       if((cp = ok_vlook(LINES)) != NULL)
 403          n_scrnheight = n_realscreenheight = (int)strtoul(cp, NULL, 0); /*TODO*/
 404       if((cp = ok_vlook(COLUMNS)) != NULL)
 405          n_scrnwidth = (int)strtoul(cp, NULL, 0); /* TODO posui32= not posnum */
 406
 407       if(n_scrnwidth != 0 && n_scrnheight != 0)
 408          goto jleave;
 409    }
 410
 411 #ifdef TIOCGWINSZ
 412    if(ioctl(STDOUT_FILENO, TIOCGWINSZ, &ws) == -1)
 413       ws.ws_col = ws.ws_row = 0;
 414 #elif defined TIOCGSIZE
 415    if(ioctl(STDOUT_FILENO, TIOCGSIZE, &ws) == -1)
 416       ts.ts_lines = ts.ts_cols = 0;
 417 #endif
 418
 419    if(n_scrnheight == 0){
 420       speed_t ospeed;
 421
 422       ospeed = ((tcgetattr(fileno(n_tty_fp), &tbuf) == -1)
 423             ? B9600 : cfgetospeed(&tbuf));
 424
 425       if(ospeed < B1200)
 426          n_scrnheight = 9;
 427       else if(ospeed == B1200)
 428          n_scrnheight = 14;
 429 #ifdef TIOCGWINSZ
 430       else if(ws.ws_row != 0)
 431          n_scrnheight = ws.ws_row;
 432 #elif defined TIOCGSIZE
 433       else if(ts.ts_lines != 0)
 434          n_scrnheight = ts.ts_lines;
 435 #endif
 436       else
 437          n_scrnheight = 24;
 438
 439 #if defined TIOCGWINSZ || defined TIOCGSIZE
 440       if(0 ==
 441 # ifdef TIOCGWINSZ
 442             (n_realscreenheight = ws.ws_row)
 443 # else
 444             (n_realscreenheight = ts.ts_lines)
 445 # endif
 446       )
 447          n_realscreenheight = 24;
 448 #endif
 449    }
 450
 451    if(n_scrnwidth == 0 && 0 ==
 452 #ifdef TIOCGWINSZ
 453          (n_scrnwidth = ws.ws_col)
 454 #elif defined TIOCGSIZE
 455          (n_scrnwidth = ts.ts_cols)
 456 #endif
 457    )
 458       n_scrnwidth = 80;
 459
 460 jleave:
 461 #ifdef SIGWINCH
 462    if(is_sighdl){
 463       n_pstate |= n_PS_SIGWINCH_PEND; /* XXX Not atomic */
 464       if(n_psonce & n_PSO_INTERACTIVE)
 465          n_tty_signal(SIGWINCH);
 466    }
 467 #endif
 468    NYD_LEAVE;
 469 }
 470
 471 static sigjmp_buf a_main__hdrjmp; /* XXX */
 472
 473 static int
 474 a_main_rcv_mode(char const *folder, char const *Larg){
 475    int i;
 476    sighandler_type prevint;
 477    NYD_ENTER;
 478
 479    if(folder == NULL)
 480       folder = "%";
 481
 482    i = (n_poption & n_PO_QUICKRUN_MASK) ? FEDIT_RDONLY : FEDIT_NONE;
 483    i = setfile(folder, i);
 484    if(i < 0){
 485       n_exit_status = n_EXIT_ERR; /* error already reported */
 486       goto jquit;
 487    }
 488    if(n_poption & n_PO_QUICKRUN_MASK){
 489       n_exit_status = i;
 490       if(i == n_EXIT_OK && (!(n_poption & n_PO_EXISTONLY) ||
 491             (n_poption & n_PO_HEADERLIST)))
 492          print_header_summary(Larg);
 493       goto jquit;
 494    }
 495    check_folder_hook(FAL0);
 496
 497    if(i > 0 && !ok_blook(emptystart)){
 498       n_exit_status = n_EXIT_ERR;
 499       goto jleave;
 500    }
 501
 502    if(sigsetjmp(a_main__hdrjmp, 1) == 0){
 503       if((prevint = safe_signal(SIGINT, SIG_IGN)) != SIG_IGN)
 504          safe_signal(SIGINT, &a_main_hdrstop);
 505       if(!(n_poption & n_PO_N_FLAG)){
 506          if(!ok_blook(quiet))
 507             printf(_("%s version %s.  Type `?' for help\n"),
 508                (ok_blook(bsdcompat) ? "Mail" : n_uagent), ok_vlook(version));
 509          announce(1);
 510          fflush(stdout);
 511       }
 512       safe_signal(SIGINT, prevint);
 513    }
 514
 515    /* Enter the command loop */
 516    if(n_psonce & n_PSO_INTERACTIVE)
 517       n_tty_init();
 518    n_commands();
 519    if(n_psonce & n_PSO_INTERACTIVE)
 520       n_tty_destroy();
 521
 522    if(mb.mb_type == MB_FILE || mb.mb_type == MB_MAILDIR){
 523       safe_signal(SIGHUP, SIG_IGN);
 524       safe_signal(SIGINT, SIG_IGN);
 525       safe_signal(SIGQUIT, SIG_IGN);
 526    }
 527 jquit:
 528    save_mbox_for_possible_quitstuff();
 529    quit(FAL0);
 530 jleave:
 531    NYD_LEAVE;
 532    return n_exit_status;
 533 }
 534
 535 static void
 536 a_main_hdrstop(int signo){
 537    NYD_X; /* Signal handler */
 538    n_UNUSED(signo);
 539
 540    fflush(stdout);
 541    n_err_sighdl(_("\nInterrupt\n"));
 542    siglongjmp(a_main__hdrjmp, 1);
 543 }
 544
 545 int
 546 main(int argc, char *argv[]){
 547    /* Keep in SYNC: ./nail.1:"SYNOPSIS, main() */
 548    static char const
 549       optstr[] = "A:a:Bb:c:dEeFfHhiL:M:m:NnO:q:Rr:S:s:tu:VvX:::~#.",
 550       usagestr[] = N_(
 551          "Synopsis:\n"
 552          "  %s -h\n"
 553
 554          "  %s [-BdEFintv~] [-: spec] [-A account]\n"
 555          "\t [-a attachment] [-b bcc-addr] [-c cc-addr]\n"
 556          "\t [-M type | -m file | -q file | -t]\n"
 557          "\t [-r from-addr] [-S var[=value]..]\n"
 558          "\t [-s subject] [-X cmd] [-.] to-addr.. [-- mta-option..]\n"
 559
 560          "  %s [-BdEeHiNnRv~] [-: spec] [-A account]\n"
 561          "\t [-L spec-list] [-r from-addr] [-S var[=value]..]\n"
 562          "\t [-u user] [-X cmd] [-- mta-option..]\n"
 563
 564          "  %s [-BdEeHiNnRv~#] [-: spec] [-A account] -f\n"
 565          "\t [-L spec-list] [-r from-addr] [-S var[=value]..]\n"
 566          "\t [-X cmd] [file] [-- mta-option..]\n"
 567       );
 568 #define _USAGE_ARGS , n_progname, n_progname, n_progname, n_progname
 569
 570    int i;
 571    char *cp;
 572    enum{
 573       a_RF_NONE = 0,
 574       a_RF_SET = 1<<0,
 575       a_RF_SYSTEM = 1<<1,
 576       a_RF_USER = 1<<2,
 577       a_RF_ALL = a_RF_SYSTEM | a_RF_USER
 578    } resfiles;
 579    size_t oargs_size, oargs_cnt, Xargs_size, Xargs_cnt, smopts_size;
 580    char const *Aarg, *emsg, *folder, *Larg, *okey, **oargs, *qf,
 581       *subject, *uarg, **Xargs;
 582    struct attachment *attach;
 583    struct name *to, *cc, *bcc;
 584    struct a_arg *a_head, *a_curr;
 585    NYD_ENTER;
 586
 587    a_head = NULL;
 588    n_UNINIT(a_curr, NULL);
 589    to = cc = bcc = NULL;
 590    attach = NULL;
 591    Aarg = emsg = folder = Larg = okey = qf = subject = uarg = NULL;
 592    oargs = Xargs = NULL;
 593    oargs_size = oargs_cnt = Xargs_size = Xargs_cnt = smopts_size = 0;
 594    resfiles = a_RF_ALL;
 595
 596    /*
 597     * Start our lengthy setup, finalize by setting n_PSO_STARTED
 598     */
 599
 600    n_progname = argv[0];
 601    a_main_startup();
 602
 603    /* Command line parsing
 604     * Variable settings need to be done twice, since the user surely wants the
 605     * setting to take effect immediately, but also doesn't want it to be
 606     * overwritten from within resource files */
 607    while((i = a_main_getopt(argc, argv, optstr)) >= 0){
 608       switch(i){
 609       case 'A':
 610          /* Execute an account command later on */
 611          Aarg = a_main_oarg;
 612          break;
 613       case 'a':{
 614          struct a_arg *nap;
 615
 616          n_psonce |= n_PSO_SENDMODE;
 617          nap = salloc(sizeof(struct a_arg));
 618          if(a_head == NULL)
 619             a_head = nap;
 620          else
 621             a_curr->aa_next = nap;
 622          nap->aa_next = NULL;
 623          nap->aa_file = a_main_oarg;
 624          a_curr = nap;
 625       }  break;
 626       case 'B':
 627          n_OBSOLETE(_("-B is obsolete, please use -# as necessary"));
 628          break;
 629       case 'b':
 630          /* Get Blind Carbon Copy Recipient list */
 631          n_psonce |= n_PSO_SENDMODE;
 632          bcc = cat(bcc, lextract(a_main_oarg, GBCC | GFULL));
 633          break;
 634       case 'c':
 635          /* Get Carbon Copy Recipient list */
 636          n_psonce |= n_PSO_SENDMODE;
 637          cc = cat(cc, lextract(a_main_oarg, GCC | GFULL));
 638          break;
 639       case 'd':
 640          ok_bset(debug);
 641          okey = "debug";
 642          goto joarg;
 643       case 'E':
 644          n_OBSOLETE(_("-E will be removed, please use \"-Sskipemptybody\""));
 645          ok_bset(skipemptybody);
 646          okey = "skipemptybody";
 647          goto joarg;
 648       case 'e':
 649          n_poption |= n_PO_EXISTONLY;
 650          break;
 651       case 'F':
 652          n_poption |= n_PO_F_FLAG;
 653          n_psonce |= n_PSO_SENDMODE;
 654          break;
 655       case 'f':
 656          /* User is specifying file to "edit" with Mail, as opposed to reading
 657           * system mailbox.  If no argument is given, we read his mbox file.
 658           * Check for remaining arguments later */
 659          folder = "&";
 660          break;
 661       case 'H':
 662          n_poption |= n_PO_HEADERSONLY;
 663          break;
 664       case 'h':
 665          n_err(V_(usagestr) _USAGE_ARGS);
 666          goto j_leave;
 667       case 'i':
 668          /* Ignore interrupts */
 669          ok_bset(ignore);
 670          okey = "ignore";
 671          goto joarg;
 672       case 'L':
 673          Larg = a_main_oarg;
 674          n_poption |= n_PO_HEADERLIST;
 675          if(*Larg == '"' || *Larg == '\''){ /* TODO list.c:listspec_check() */
 676             size_t j;
 677
 678             j = strlen(++Larg);
 679             if(j > 0){
 680                cp = savestrbuf(Larg, --j);
 681                Larg = cp;
 682             }
 683          }
 684          break;
 685       case 'M':
 686          if(qf != NULL && (!(n_poption & n_PO_Mm_FLAG) || qf != (char*)-1))
 687             goto jeMmq;
 688          n_poption_arg_Mm = a_main_oarg;
 689          qf = (char*)-1;
 690          if(0){
 691             /* FALLTHRU*/
 692       case 'm':
 693             if(qf != NULL && (!(n_poption & n_PO_Mm_FLAG) || qf == (char*)-1))
 694                goto jeMmq;
 695             qf = a_main_oarg;
 696          }
 697          n_poption |= n_PO_Mm_FLAG;
 698          n_psonce |= n_PSO_SENDMODE;
 699          break;
 700       case 'N':
 701          /* Avoid initial header printing */
 702          ok_bclear(header);
 703          okey = "noheader";
 704          goto joarg;
 705       case 'n':
 706          /* Don't source "unspecified system start-up file" */
 707          if(resfiles & a_RF_SET){
 708             emsg = N_("-n cannot be used in conjunction with -:");
 709             goto jusage;
 710          }
 711          resfiles = a_RF_USER;
 712          break;
 713       case 'O':
 714          /* Additional options to pass-through to MTA TODO v15-compat legacy */
 715          if(n_smopts_cnt == smopts_size)
 716             smopts_size = a_main_grow_cpp(&n_smopts, smopts_size + 8,
 717                   n_smopts_cnt);
 718          n_smopts[n_smopts_cnt++] = a_main_oarg;
 719          break;
 720       case 'q':
 721          if(qf != NULL && (n_poption & n_PO_Mm_FLAG)){
 722 jeMmq:
 723             emsg = N_("Only one of -M, -m or -q may be given");
 724             goto jusage;
 725          }
 726          /* Quote file TODO drop? -Q with real quote?? what ? */
 727          n_psonce |= n_PSO_SENDMODE;
 728          /* Allow for now, we have to special check validity of -q- later on! */
 729          qf = (a_main_oarg[0] == '-' && a_main_oarg[1] == '\0')
 730                ? (char*)-1 : a_main_oarg;
 731          break;
 732       case 'R':
 733          /* Open folders read-only */
 734          n_poption |= n_PO_R_FLAG;
 735          break;
 736       case 'r':
 737          /* Set From address. */
 738          n_poption |= n_PO_r_FLAG;
 739          if(a_main_oarg[0] != '\0'){
 740             struct name *fa;
 741
 742             fa = nalloc(a_main_oarg, GSKIN | GFULL | GFULLEXTRA);
 743             if(is_addr_invalid(fa, EACM_STRICT | EACM_NOLOG)){
 744                emsg = N_("Invalid address argument with -r");
 745                goto jusage;
 746             }
 747             n_poption_arg_r = fa;
 748             /* TODO -r options is set in n_smopts, but may
 749              * TODO be overwritten by setting from= in
 750              * TODO an interactive session!
 751              * TODO Maybe disable setting of from?
 752              * TODO Warn user?  Update manual!! */
 753             okey = savecat("from=", fa->n_fullname);
 754             goto joarg;
 755          }
 756          break;
 757       case 'S':
 758          /* Set variable (TODO twice [only if successful]) */
 759          {  char const *a[2];
 760             bool_t b;
 761
 762             okey = a[0] = a_main_oarg;
 763             a[1] = NULL;
 764             n_pstate |= n_PS_ROBOT;
 765             b = (c_set(a) == 0);
 766             n_pstate &= ~n_PS_ROBOT;
 767             if(!b)
 768                break;
 769          }
 770 joarg:
 771          if(oargs_cnt == oargs_size)
 772             oargs_size = a_main_grow_cpp(&oargs, oargs_size + 8, oargs_cnt);
 773          oargs[oargs_cnt++] = okey;
 774          break;
 775       case 's':
 776          /* Subject:; take care for Debian #419840 and strip any \r and \n */
 777          if(n_anyof_cp("\n\r", subject = a_main_oarg)){
 778             n_err(_("-s: normalizing away invalid ASCII NL / CR bytes\n"));
 779             for(subject = cp = savestr(a_main_oarg); *cp != '\0'; ++cp)
 780                if(*cp == '\n' || *cp == '\r')
 781                   *cp = ' ';
 782          }
 783          n_psonce |= n_PSO_SENDMODE;
 784          break;
 785       case 't':
 786          /* Read defined set of headers from mail to be sent */
 787          n_poption |= n_PO_t_FLAG;
 788          n_psonce |= n_PSO_SENDMODE;
 789          break;
 790       case 'u':
 791          uarg = savecat("%", a_main_oarg);
 792          break;
 793       case 'V':
 794          printf(_("%s version %s\n"), n_uagent, ok_vlook(version));
 795          n_exit_status = n_EXIT_OK;
 796          goto j_leave;
 797       case 'v':
 798          /* Be verbose */
 799          ok_bset(verbose);
 800          okey = "verbose";
 801          goto joarg;
 802       case 'X':
 803          /* Add to list of commands to exec before entering normal operation */
 804          if(Xargs_cnt == Xargs_size)
 805             Xargs_size = a_main_grow_cpp(&Xargs, Xargs_size + 8, Xargs_cnt);
 806          Xargs[Xargs_cnt++] = a_main_oarg;
 807          break;
 808       case ':':
 809          /* Control which resource files shall be loaded */
 810          if(!(resfiles & (a_RF_SET | a_RF_SYSTEM))){
 811             emsg = N_("-n cannot be used in conjunction with -:");
 812             goto jusage;
 813          }
 814          resfiles = a_RF_SET;
 815          while((i = *a_main_oarg++) != '\0')
 816             switch(i){
 817             case 'S': case 's': resfiles |= a_RF_SYSTEM; break;
 818             case 'U': case 'u': resfiles |= a_RF_USER; break;
 819             case ':': case '/': resfiles &= ~a_RF_ALL; break;
 820             default:
 821                emsg = N_("Invalid argument of -:");
 822                goto jusage;
 823             }
 824          break;
 825       case '~':
 826          /* Enable command escapes even in non-interactive mode */
 827          n_poption |= n_PO_TILDE_FLAG;
 828          break;
 829       case '#':
 830          /* Work in batch mode, even if non-interactive */
 831          if(!(n_psonce & n_PSO_INTERACTIVE))
 832             setvbuf(stdin, NULL, _IOLBF, 0);
 833          n_poption |= n_PO_TILDE_FLAG | n_PO_BATCH_FLAG;
 834          if (oargs_cnt + 8 >= oargs_size)
 835             oargs_size = a_main_grow_cpp(&oargs, oargs_size + 9, oargs_cnt);
 836          folder = "/dev/null";
 837          ok_vset(MAIL, folder);
 838          ok_vset(MBOX, folder);
 839          ok_bset(emptystart);
 840          ok_bclear(header);
 841          ok_vset(inbox, folder);
 842          ok_bset(quiet);
 843          ok_bset(sendwait);
 844          ok_bset(typescript_mode);
 845          oargs[oargs_cnt + 0] = "MAIL=/dev/null";
 846          oargs[oargs_cnt + 1] = "MBOX=/dev/null";
 847          oargs[oargs_cnt + 2] = "emptystart";
 848          oargs[oargs_cnt + 3] = "noheader";
 849          oargs[oargs_cnt + 4] = "inbox=/dev/null";
 850          oargs[oargs_cnt + 5] = "quiet";
 851          oargs[oargs_cnt + 6] = "sendwait";
 852          oargs[oargs_cnt + 7] = "typescript-mode";
 853          oargs_cnt += 8;
 854          break;
 855       case '.':
 856          n_psonce |= n_PSO_SENDMODE;
 857          goto jgetopt_done;
 858       case '?':
 859 jusage:
 860          if(emsg != NULL)
 861             n_err("%s\n", V_(emsg));
 862          n_err(V_(usagestr) _USAGE_ARGS);
 863 #undef _USAGE_ARGS
 864          n_exit_status = n_EXIT_USE;
 865          goto j_leave;
 866       }
 867    }
 868 jgetopt_done:
 869    ;
 870
 871    /* The normal arguments may be followed by MTA arguments after a "--";
 872     * however, -f may take off an argument, too, and before that.
 873     * Since MTA arguments after "--" require *expandargv*, delay parsing off
 874     * those options until after the resource files are loaded... */
 875    if((cp = argv[i = a_main_oind]) == NULL)
 876       ;
 877    else if(cp[0] == '-' && cp[1] == '-' && cp[2] == '\0')
 878       ++i;
 879    /* n_PO_BATCH_FLAG sets to /dev/null, but -f can still be used and sets & */
 880    else if(folder != NULL && /*folder[0] == '&' &&*/ folder[1] == '\0'){
 881       folder = cp;
 882       if((cp = argv[++i]) != NULL){
 883          if(cp[0] != '-' || cp[1] != '-' || cp[2] != '\0'){
 884             emsg = N_("More than one file given with -f");
 885             goto jusage;
 886          }
 887          ++i;
 888       }
 889    }else{
 890       n_psonce |= n_PSO_SENDMODE;
 891       for(;;){
 892          to = cat(to, lextract(cp, GTO | GFULL));
 893          if((cp = argv[++i]) == NULL)
 894             break;
 895          if(cp[0] == '-' && cp[1] == '-' && cp[2] == '\0'){
 896             ++i;
 897             break;
 898          }
 899       }
 900    }
 901    a_main_oind = i;
 902
 903    /* ...BUT, since we use salloc() for the MTA n_smopts storage we need to
 904     * allocate the necessary space for them before we fixate that storage! */
 905    while(argv[i] != NULL)
 906       ++i;
 907    if(n_smopts_cnt + i > smopts_size)
 908       DBG(smopts_size =)
 909       a_main_grow_cpp(&n_smopts, n_smopts_cnt + i + 1, n_smopts_cnt);
 910
 911    /* Check for inconsistent arguments, fix some temporaries */
 912    if(n_psonce & n_PSO_SENDMODE){
 913       /* XXX This is only because BATCH_FLAG sets *folder*=/dev/null
 914        * XXX in order to function.  Ideally that would not be needed */
 915       if(folder != NULL && !(n_poption & n_PO_BATCH_FLAG)){
 916          emsg = N_("Cannot give -f and people to send to.");
 917          goto jusage;
 918       }
 919       if(uarg != NULL){
 920          emsg = N_("The -u option cannot be used in send mode");
 921          goto jusage;
 922       }
 923       if(!(n_poption & n_PO_t_FLAG) && to == NULL){
 924          emsg = N_("Send options without primary recipient specified.");
 925          goto jusage;
 926       }
 927       if((n_poption & n_PO_t_FLAG) && qf != NULL){
 928          emsg = N_("The -M, -m, -q and -t options are mutual exclusive.");
 929          goto jusage;
 930       }
 931       if(n_poption & (n_PO_EXISTONLY | n_PO_HEADERSONLY | n_PO_HEADERLIST)){
 932          emsg = N_("The -e, -H and -L options cannot be used in send mode.");
 933          goto jusage;
 934       }
 935       if(n_poption & n_PO_R_FLAG){
 936          emsg = N_("The -R option is meaningless in send mode.");
 937          goto jusage;
 938       }
 939
 940       if(n_psonce & n_PSO_INTERACTIVE){
 941          if(qf == (char*)-1){
 942             if(!(n_poption & n_PO_Mm_FLAG))
 943                emsg = N_("-q can't use standard input when interactive.\n");
 944             goto jusage;
 945          }
 946       }
 947    }else{
 948       if(uarg != NULL && folder != NULL){
 949          emsg = N_("The options -u and -f (and -#) are mutually exclusive");
 950          goto jusage;
 951       }
 952       if((n_poption & (n_PO_EXISTONLY | n_PO_HEADERSONLY)) ==
 953             (n_PO_EXISTONLY | n_PO_HEADERSONLY)){
 954          emsg = N_("The options -e and -H are mutual exclusive");
 955          goto jusage;
 956       }
 957       if((n_poption & (n_PO_HEADERSONLY | n_PO_HEADERLIST) /* TODO OBSOLETE */
 958             ) == (n_PO_HEADERSONLY | n_PO_HEADERLIST))
 959          n_OBSOLETE(_("please use \"-e -L xy\" instead of \"-H -L xy\""));
 960
 961       if(uarg != NULL)
 962          folder = uarg;
 963    }
 964
 965    /*
 966     * Likely to go, perform more setup
 967     */
 968
 969    a_main_setup_vars();
 970
 971    if(n_psonce & n_PSO_INTERACTIVE){
 972       a_main_setscreensize(0);
 973 #ifdef SIGWINCH
 974 # ifndef TTY_WANTS_SIGWINCH
 975       if(safe_signal(SIGWINCH, SIG_IGN) != SIG_IGN)
 976 # endif
 977          safe_signal(SIGWINCH, &a_main_setscreensize);
 978 #endif
 979    }else
 980       n_scrnheight = n_realscreenheight = 24, n_scrnwidth = 80;
 981
 982    /* Fixate the current snapshot of our global auto-reclaimed storage instance.
 983     * Memory is auto-reclaimed from now on */
 984    n_memory_autorec_fixate();
 985
 986    /* load() any resource files */
 987    if(resfiles & a_RF_ALL){
 988       /* *expand() returns a savestr(), but load only uses the file name for
 989        * fopen(), so it's safe to do this */
 990       if(resfiles & a_RF_SYSTEM){
 991          bool_t nload;
 992
 993          if((nload = ok_blook(NAIL_NO_SYSTEM_RC)))
 994             n_OBSOLETE(_("Please use $MAILX_NO_SYSTEM_RC instead of "
 995                "$NAIL_NO_SYSTEM_RC"));
 996          if(!nload && !ok_blook(MAILX_NO_SYSTEM_RC))
 997             n_load(VAL_SYSCONFDIR "/" VAL_SYSCONFRC);
 998       }
 999
1000       if(resfiles & a_RF_USER)
1001          n_load(fexpand(ok_vlook(MAILRC), FEXP_LOCAL | FEXP_NOPROTO));
1002
1003       if((cp = ok_vlook(NAIL_EXTRA_RC)) != NULL)
1004          n_OBSOLETE(_("Please use *mailx-extra-rc*, not *NAIL_EXTRA_RC*"));
1005       if(cp != NULL || (cp = ok_vlook(mailx_extra_rc)) != NULL)
1006          n_load(fexpand(cp, FEXP_LOCAL | FEXP_NOPROTO));
1007    }
1008
1009    /* Ensure the -S and other command line options take precedence over
1010     * anything that may have been placed in resource files.
1011     * Our "ternary binary" option *verbose* needs special treament */
1012    if((n_poption & (n_PO_VERB | n_PO_VERBVERB)) == n_PO_VERB)
1013       n_poption &= ~n_PO_VERB;
1014    /* ..and be silent when unsetting an undefined variable */
1015    n_pstate |= n_PS_ROBOT;
1016    for(i = 0; UICMP(z, i, <, oargs_cnt); ++i){
1017       char const *a[2];
1018
1019       a[0] = oargs[i];
1020       a[1] = NULL;
1021       c_set(a);
1022    }
1023    n_pstate &= ~n_PS_ROBOT;
1024
1025    /* Cause possible umask(2), now that any setting is established, and before
1026     * we change accounts, evaluate commands etc. */
1027    (void)ok_vlook(umask);
1028
1029    /* Additional options to pass-through to MTA, and allowed to do so? */
1030    if((cp = ok_vlook(expandargv)) != NULL){
1031       bool_t isfail, isrestrict;
1032
1033       isfail = !asccasecmp(cp, "fail");
1034       isrestrict = (!isfail && !asccasecmp(cp, "restrict"));
1035
1036       if((n_poption & n_PO_D_V) && !isfail && !isrestrict && *cp != '\0')
1037          n_err(_("Unknown *expandargv* value: %s\n"), cp);
1038
1039       if((cp = argv[i = a_main_oind]) != NULL){
1040          if(isfail || (isrestrict && (!(n_poption & n_PO_TILDE_FLAG) ||
1041                   !(n_psonce & n_PSO_INTERACTIVE)))){
1042             n_err(_("*expandargv* doesn't allow MTA arguments; consider "
1043                "using *sendmail-arguments*\n"));
1044             n_exit_status = n_EXIT_USE | n_EXIT_SEND_ERROR;
1045             goto jleave;
1046          }
1047          do{
1048             assert(n_smopts_cnt + 1 <= smopts_size);
1049             n_smopts[n_smopts_cnt++] = cp;
1050          }while((cp = argv[++i]) != NULL);
1051       }
1052    }
1053
1054    /* We had to wait until the resource files are loaded and any command line
1055     * setting has been restored, but get the termcap up and going before we
1056     * switch account or running commands */
1057 #ifdef n_HAVE_TCAP
1058    if((n_psonce & n_PSO_INTERACTIVE) && !(n_poption & n_PO_QUICKRUN_MASK))
1059       n_termcap_init();
1060 #endif
1061
1062    /* Now we can set the account */
1063    if(Aarg != NULL){
1064       char const *a[2];
1065
1066       a[0] = Aarg;
1067       a[1] = NULL;
1068       c_account(a);
1069    }
1070
1071    /* "load()" commands given on command line */
1072    if(Xargs_cnt > 0)
1073       n_load_Xargs(Xargs, Xargs_cnt);
1074
1075    /* Final tests */
1076    if(n_poption & n_PO_Mm_FLAG){
1077       if(qf == (char*)-1){
1078          if(!mime_type_check_mtname(n_poption_arg_Mm)){
1079             n_err(_("Could not find `mimetype' for -M argument: %s\n"),
1080                n_poption_arg_Mm);
1081             n_exit_status = n_EXIT_ERR;
1082             goto jleave;
1083          }
1084       }else if((n_poption_arg_Mm = mime_type_classify_filename(qf)) == NULL){
1085          n_err(_("Could not `mimetype'-classify -m argument: %s\n"),
1086             n_shexp_quote_cp(qf, FAL0));
1087          n_exit_status = n_EXIT_ERR;
1088          goto jleave;
1089       }else if(!asccasecmp(n_poption_arg_Mm, "text/plain")) /* TODO no: magic */
1090          n_poption_arg_Mm = NULL;
1091    }
1092
1093    /*
1094     * We're finally completely setup and ready to go
1095     */
1096    n_psonce |= n_PSO_STARTED;
1097
1098    if(!(n_psonce & n_PSO_SENDMODE)){
1099       n_exit_status = a_main_rcv_mode(folder, Larg);
1100       goto jleave;
1101    }
1102
1103    /* Now that full mailx(1)-style file expansion is possible handle the
1104     * attachments which we had delayed due to this.
1105     * This may use savestr(), but since we won't enter the command loop we
1106     * don't need to care about that */
1107    for(; a_head != NULL; a_head = a_head->aa_next){
1108       enum n_attach_error aerr;
1109
1110       attach = n_attachment_append(attach, a_head->aa_file, &aerr, NULL);
1111       if(aerr != n_ATTACH_ERR_NONE){
1112          n_exit_status = n_EXIT_ERR;
1113          goto jleave;
1114       }
1115    }
1116
1117    if(n_psonce & n_PSO_INTERACTIVE)
1118       n_tty_init();
1119    mail(to, cc, bcc, subject, attach, qf, ((n_poption & n_PO_F_FLAG) != 0));
1120    if(n_psonce & n_PSO_INTERACTIVE)
1121       n_tty_destroy();
1122
1123 jleave:
1124   /* Be aware of identical code for `exit' command! */
1125 #ifdef n_HAVE_TCAP
1126    if((n_psonce & n_PSO_INTERACTIVE) && !(n_poption & n_PO_QUICKRUN_MASK))
1127       n_termcap_destroy();
1128 #endif
1129
1130 j_leave:
1131 #ifdef HAVE_MEMORY_DEBUG
1132    n_memory_autorec_pop(NULL);
1133 #endif
1134 #if (defined HAVE_DEBUG || defined HAVE_DEVEL)
1135    n_memory_reset();
1136 #endif
1137    NYD_LEAVE;
1138    return n_exit_status;
1139 }
1140
1141 /* Source the others in that case! */
1142 #ifdef HAVE_AMALGAMATION
1143 # include "config.h"
1144 #endif
1145
1146 /* s-it-mode */