/*
 * Copyright notice from original mutt:
 * Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.org>
 * Copyright (C) 2000 Thomas Roessler <roessler@does-not-exist.org>
 *
 * This file is part of mutt-ng, see http://www.muttng.org/.
 * It's licensed under the GNU General Public License,
 * please see the file GPL in the top level source directory.
 */

#if HAVE_CONFIG_H
# include "config.h"
#endif

#include "mutt.h"
#include "enter.h"
#include "recvattach.h"
#include "ascii.h"
#include "mutt_curses.h"
#include "mutt_menu.h"
#include "mime.h"
#include "sort.h"
#include "copy.h"
#include "mx.h"
#include "pager.h"
#include "mutt_crypt.h"
#include "mutt_idna.h"
#include "rfc1524.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#ifdef USE_IMAP
#include "imap.h"
#endif

#ifdef BUFFY_SIZE
#include "buffy.h"
#endif

#include "lib/mem.h"
#include "lib/intl.h"
#include "lib/str.h"
#include "lib/debug.h"

#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <utime.h>

extern char *ReleaseDate;

/* The folder the user last saved to.  Used by ci_save_message() */
static char LastSaveFolder[_POSIX_PATH_MAX] = "";

int mutt_display_message (HEADER * cur)
{
  char tempfile[_POSIX_PATH_MAX], buf[LONG_STRING];
  int rc = 0, builtin = 0;
  int cmflags = M_CM_DECODE | M_CM_DISPLAY | M_CM_CHARCONV;
  FILE *fpout = NULL;
  FILE *fpfilterout = NULL;
  MESSAGE *msg = NULL;
  pid_t filterpid = -1;
  int res = 0;

  snprintf (buf, sizeof (buf), "%s/%s", TYPE (cur->content),
            cur->content->subtype);

  mutt_parse_mime_message (Context, cur);
  mutt_message_hook (Context, cur, M_MESSAGEHOOK);

  mutt_mktemp (tempfile);
  if ((fpout = safe_fopen (tempfile, "w")) == NULL) {
    mutt_error _("Could not create temporary file!");

    return (0);
  }

  if (DisplayFilter && *DisplayFilter) {
    fpfilterout = fpout;
    fpout = NULL;
    /* mutt_endwin (NULL); */
    filterpid = mutt_create_filter_fd (DisplayFilter, &fpout, NULL, NULL,
                                       -1, fileno (fpfilterout), -1);
    if (filterpid < 0) {
      mutt_error (_("Cannot create display filter"));
      safe_fclose (&fpfilterout);
      unlink (tempfile);
      return 0;
    }
  }

  if (!Pager || str_cmp (Pager, "builtin") == 0)
    builtin = 1;
  else {
    mutt_make_string (buf, sizeof (buf), NONULL (PagerFmt), Context, cur);
    fputs (buf, fpout);
    fputs ("\n\n", fpout);
  }

  msg = mx_open_message (Context, cur->msgno);
  if (msg == NULL) res = -1;

  if (res != -1) {
    /* see if crytpo is needed for this message.  if so, we should exit curses */
    if (WithCrypto && cur->security) {
      if (cur->security & ENCRYPT) {
        if (cur->security & APPLICATION_SMIME)
          crypt_smime_getkeys (cur->env);
        if (!crypt_valid_passphrase (cur->security))
          return 0;

        cmflags |= M_CM_VERIFY;
      }
      else if (cur->security & SIGN) {
        /* find out whether or not the verify signature */
        if (query_quadoption (OPT_VERIFYSIG, _("Verify PGP signature?")) ==
            M_YES) {
          cmflags |= M_CM_VERIFY;
        }
      }
    }

    if (cmflags & M_CM_VERIFY || cur->security & ENCRYPT) {
      if (cur->security & APPLICATION_PGP) {
        if (cur->env->from)
          crypt_pgp_invoke_getkeys (cur->env->from);

        crypt_invoke_message (APPLICATION_PGP);
      }

      if (cur->security & APPLICATION_SMIME)
        crypt_invoke_message (APPLICATION_SMIME);
    }

    res = _mutt_copy_message (fpout, msg->fp, cur, cur->content, cmflags,
                             (option (OPTWEED) ? (CH_WEED | CH_REORDER) : 0) |
                             CH_DECODE | CH_FROM);
    if (res == 0 && (ferror(fpout) || feof(fpout))) {
      debug_print (1, ("_mutt_copy_message failed to detect EOF!\n"));
      res = -1;
    }

    mx_close_message (&msg);
  }

  if ((safe_fclose (&fpout) != 0 && errno != EPIPE) || res == -1) {
    mutt_error (_("Could not copy message"));
    if (fpfilterout != NULL) {
      mutt_wait_filter (filterpid);
      safe_fclose (&fpfilterout);
    }
#if 0
    /* this is maybe just plain wrong but it makes the pager display
     * what we have; i.e. for the crypto stuff we only get
     * 'Could not copy message' for invalid passphrases, no PGP output
     * not nothing; so just display what we have...
     * - pdmef
     */
    mutt_unlink (tempfile);
    return 0;
#endif
  }

  if (fpfilterout != NULL && mutt_wait_filter (filterpid) != 0)
    mutt_any_key_to_continue (NULL);

  safe_fclose (&fpfilterout);   /* XXX - check result? */


  if (WithCrypto) {
    /* update crypto information for this message */
    cur->security &= ~(GOODSIGN|BADSIGN);
    cur->security |= crypt_query (cur->content);

    /* Remove color cache for this message, in case there
       are color patterns for both ~g and ~V */
    cur->pair = 0;
  }

  if (builtin) {
    pager_t info;

    if (WithCrypto
        && (cur->security & APPLICATION_SMIME) && (cmflags & M_CM_VERIFY)) {
      if (cur->security & GOODSIGN) {
        if (!crypt_smime_verify_sender (cur))
          mutt_message (_("S/MIME signature successfully verified."));
        else
          mutt_error (_("S/MIME certificate owner does not match sender."));
      }
      else if (cur->security & PARTSIGN)
        mutt_message (_
                      ("Warning: Part of this message has not been signed."));
      else if (cur->security & SIGN || cur->security & BADSIGN)
        mutt_error (_("S/MIME signature could NOT be verified."));
    }

    if (WithCrypto
        && (cur->security & APPLICATION_PGP) && (cmflags & M_CM_VERIFY)) {
      if (cur->security & GOODSIGN)
        mutt_message (_("PGP signature successfully verified."));
      else if (cur->security & PARTSIGN)
        mutt_message (_
                      ("Warning: Part of this message has not been signed."));
      else if (cur->security & SIGN)
        mutt_message (_("PGP signature could NOT be verified."));
    }

    /* Invoke the builtin pager */
    memset (&info, 0, sizeof (pager_t));
    info.hdr = cur;
    info.ctx = Context;
    rc = mutt_pager (NULL, tempfile, M_PAGER_MESSAGE, &info);
  }
  else {
    int r;

    mutt_endwin (NULL);
    snprintf (buf, sizeof (buf), "%s %s", NONULL (Pager), tempfile);
    if ((r = mutt_system (buf)) == -1)
      mutt_error (_("Error running \"%s\"!"), buf);
    unlink (tempfile);
    keypad (stdscr, TRUE);
    if (r != -1)
      mutt_set_flag (Context, cur, M_READ, 1);
    if (r != -1 && option (OPTPROMPTAFTER)) {
      mutt_ungetch (mutt_any_key_to_continue _("Command: "), 0);
      rc = km_dokey (MENU_PAGER);
    }
    else
      rc = 0;
  }

  return rc;
}

void ci_bounce_message (HEADER * h, int *redraw)
{
  char prompt[SHORT_STRING];
  char buf[HUGE_STRING] = { 0 };
  ADDRESS *adr = NULL;
  char *err = NULL;
  int rc;

  if (h)
    strfcpy (prompt, _("Bounce message to: "), sizeof (prompt));
  else
    strfcpy (prompt, _("Bounce tagged messages to: "), sizeof (prompt));

  rc = mutt_get_field (prompt, buf, sizeof (buf), M_ALIAS);

  if (option (OPTNEEDREDRAW)) {
    unset_option (OPTNEEDREDRAW);
    *redraw = REDRAW_FULL;
  }

  if (rc || !buf[0])
    return;

  if (!(adr = rfc822_parse_adrlist (adr, buf))) {
    mutt_error _("Error parsing address!");

    return;
  }

  adr = mutt_expand_aliases (adr);

  if (mutt_addrlist_to_idna (adr, &err) < 0) {
    mutt_error (_("Bad IDN: '%s'"), err);
    mem_free (&err);
    rfc822_free_address (&adr);
    return;
  }

  buf[0] = 0;
  rfc822_write_address (buf, sizeof (buf), adr, 1);

#define extra_space (15 + 7 + 2)
  snprintf (prompt, sizeof (prompt),
            (h ? _("Bounce message to %s") : _("Bounce messages to %s")),
            buf);

  if (mutt_strwidth (prompt) > COLS - extra_space) {
    mutt_format_string (prompt, sizeof (prompt),
                        0, COLS - extra_space, 0, 0,
                        prompt, sizeof (prompt), 0);
    str_cat (prompt, sizeof (prompt), "...?");
  }
  else
    str_cat (prompt, sizeof (prompt), "?");

  if (query_quadoption (OPT_BOUNCE, prompt) != M_YES) {
    rfc822_free_address (&adr);
    CLEARLINE (LINES - 1);
    mutt_message (h ? _("Message not bounced.") : _("Messages not bounced."));
    return;
  }

  CLEARLINE (LINES - 1);

  rc = mutt_bounce_message (NULL, h, adr);
  rfc822_free_address (&adr);
  /* If no error, or background, display message. */
  if ((rc == 0) || (rc == S_BKG))
    mutt_message (h ? _("Message bounced.") : _("Messages bounced."));
}

static void pipe_set_flags (int decode, int print, int *cmflags, int *chflags)
{
  if (decode) {
    *cmflags |= M_CM_DECODE | M_CM_CHARCONV;
    *chflags |= CH_DECODE | CH_REORDER;

    if (option (OPTWEED)) {
      *chflags |= CH_WEED;
      *cmflags |= M_CM_WEED;
    }
  }

  if (print)
    *cmflags |= M_CM_PRINTING;

}

static void pipe_msg (HEADER * h, FILE * fp, int decode, int print)
{
  int cmflags = 0;
  int chflags = CH_FROM;

  pipe_set_flags (decode, print, &cmflags, &chflags);

  if (WithCrypto && decode && h->security & ENCRYPT) {
    if (!crypt_valid_passphrase (h->security))
      return;
    endwin ();
  }

  if (decode)
    mutt_parse_mime_message (Context, h);

  mutt_copy_message (fp, Context, h, cmflags, chflags);
}


/* the following code is shared between printing and piping */

static int _mutt_pipe_message (HEADER * h, char *cmd,
                               int decode, int print, int split, char *sep)
{

  int i, rc = 0;
  pid_t thepid;
  FILE *fpout;

/*   mutt_endwin (NULL); 

     is this really needed here ? 
     it makes the screen flicker on pgp and s/mime messages,
     before asking for a passphrase...
                                     Oliver Ehli */
  if (h) {

    mutt_message_hook (Context, h, M_MESSAGEHOOK);

    if (WithCrypto && decode) {
      mutt_parse_mime_message (Context, h);
      if (h->security & ENCRYPT && !crypt_valid_passphrase (h->security))
        return 1;
    }
    mutt_endwin (NULL);

    if ((thepid = mutt_create_filter (cmd, &fpout, NULL, NULL)) < 0) {
      mutt_perror (_("Can't create filter process"));

      return 1;
    }

    pipe_msg (h, fpout, decode, print);
    fclose (fpout);
    rc = mutt_wait_filter (thepid);
  }
  else {                        /* handle tagged messages */

    if (WithCrypto && decode) {
      for (i = 0; i < Context->vcount; i++)
        if (Context->hdrs[Context->v2r[i]]->tagged) {
          mutt_message_hook (Context, Context->hdrs[Context->v2r[i]],
                             M_MESSAGEHOOK);
          mutt_parse_mime_message (Context, Context->hdrs[Context->v2r[i]]);
          if (Context->hdrs[Context->v2r[i]]->security & ENCRYPT &&
              !crypt_valid_passphrase (Context->hdrs[Context->v2r[i]]->
                                       security))
            return 1;
        }
    }

    if (split) {
      for (i = 0; i < Context->vcount; i++) {
        if (Context->hdrs[Context->v2r[i]]->tagged) {
          mutt_message_hook (Context, Context->hdrs[Context->v2r[i]],
                             M_MESSAGEHOOK);
          mutt_endwin (NULL);
          if ((thepid = mutt_create_filter (cmd, &fpout, NULL, NULL)) < 0) {
            mutt_perror (_("Can't create filter process"));

            return 1;
          }
          pipe_msg (Context->hdrs[Context->v2r[i]], fpout, decode, print);
          /* add the message separator */
          if (sep)
            fputs (sep, fpout);
          safe_fclose (&fpout);
          if (mutt_wait_filter (thepid) != 0)
            rc = 1;
        }
      }
    }
    else {
      mutt_endwin (NULL);
      if ((thepid = mutt_create_filter (cmd, &fpout, NULL, NULL)) < 0) {
        mutt_perror (_("Can't create filter process"));

        return 1;
      }
      for (i = 0; i < Context->vcount; i++) {
        if (Context->hdrs[Context->v2r[i]]->tagged) {
          mutt_message_hook (Context, Context->hdrs[Context->v2r[i]],
                             M_MESSAGEHOOK);
          pipe_msg (Context->hdrs[Context->v2r[i]], fpout, decode, print);
          /* add the message separator */
          if (sep)
            fputs (sep, fpout);
        }
      }
      safe_fclose (&fpout);
      if (mutt_wait_filter (thepid) != 0)
        rc = 1;
    }
  }

  if (rc || option (OPTWAITKEY))
    mutt_any_key_to_continue (NULL);
  return rc;
}

void mutt_pipe_message (HEADER * h)
{
  char buffer[LONG_STRING];

  buffer[0] = 0;
  if (mutt_get_field (_("Pipe to command: "), buffer, sizeof (buffer), M_CMD)
      != 0 || !buffer[0])
    return;

  mutt_expand_path (buffer, sizeof (buffer));
  _mutt_pipe_message (h, buffer,
                      option (OPTPIPEDECODE),
                      0, option (OPTPIPESPLIT), PipeSep);
}

void mutt_print_message (HEADER * h)
{

  if (quadoption (OPT_PRINT) && (!PrintCmd || !*PrintCmd)) {
    mutt_message (_("No printing command has been defined."));
    return;
  }

  if (query_quadoption (OPT_PRINT,
                        h ? _("Print message?") : _("Print tagged messages?"))
      != M_YES)
    return;

  if (_mutt_pipe_message (h, PrintCmd,
                          option (OPTPRINTDECODE),
                          1, option (OPTPRINTSPLIT), "\f") == 0)
    mutt_message (h ? _("Message printed") : _("Messages printed"));
  else
    mutt_message (h ? _("Message could not be printed") :
                  _("Messages could not be printed"));
}


int mutt_select_sort (int reverse)
{
  int method = Sort;            /* save the current method in case of abort */

  switch (mutt_multi_choice (reverse ?
                             _
                             ("Rev-Sort (d)ate/(f)rm/(r)ecv/(s)ubj/t(o)/(t)hread/(u)nsort/si(z)e/s(c)ore/s(p)am?: ")
                             :
                             _
                             ("Sort (d)ate/(f)rm/(r)ecv/(s)ubj/t(o)/(t)hread/(u)nsort/si(z)e/s(c)ore/s(p)am?: "),
                             _("dfrsotuzcp"))) {
  case -1:                     /* abort - don't resort */
    return -1;

  case 1:                      /* (d)ate */
    Sort = SORT_DATE;
    break;

  case 2:                      /* (f)rm */
    Sort = SORT_FROM;
    break;

  case 3:                      /* (r)ecv */
    Sort = SORT_RECEIVED;
    break;

  case 4:                      /* (s)ubj */
    Sort = SORT_SUBJECT;
    break;

  case 5:                      /* t(o) */
    Sort = SORT_TO;
    break;

  case 6:                      /* (t)hread */
    Sort = SORT_THREADS;
    break;

  case 7:                      /* (u)nsort */
    Sort = SORT_ORDER;
    break;

  case 8:                      /* si(z)e */
    Sort = SORT_SIZE;
    break;

  case 9:                      /* s(c)ore */
    Sort = SORT_SCORE;
    break;

  case 10:                     /* s(p)am */
    Sort = SORT_SPAM;
    break;
  }
  if (reverse)
    Sort |= SORT_REVERSE;

  return (Sort != method ? 0 : -1);     /* no need to resort if it's the same */
}

/* invoke a command in a subshell */
void mutt_shell_escape (void)
{
  char buf[LONG_STRING];

  buf[0] = 0;
  if (mutt_get_field (_("Shell command: "), buf, sizeof (buf), M_CMD) == 0) {
    if (!buf[0] && Shell)
      strfcpy (buf, Shell, sizeof (buf));
    if (buf[0]) {
      CLEARLINE (LINES - 1);
      mutt_endwin (NULL);
      fflush (stdout);
      if (mutt_system (buf) != 0 || option (OPTWAITKEY))
        mutt_any_key_to_continue (NULL);
    }
  }
}

/* enter a mutt command */
void mutt_enter_command (void)
{
  BUFFER err, token;
  char buffer[LONG_STRING], errbuf[SHORT_STRING];
  int r;

  buffer[0] = 0;
  if (mutt_get_field (":", buffer, sizeof (buffer), M_COMMAND) != 0
      || !buffer[0])
    return;
  err.data = errbuf;
  err.dsize = sizeof (errbuf);
  memset (&token, 0, sizeof (token));
  r = mutt_parse_rc_line (buffer, &token, &err);
  mem_free (&token.data);
  if (errbuf[0]) {
    /* since errbuf could potentially contain printf() sequences in it,
       we must call mutt_error() in this fashion so that vsprintf()
       doesn't expect more arguments that we passed */
    if (r == 0)
      mutt_message ("%s", errbuf);
    else
      mutt_error ("%s", errbuf);
  }
}

void mutt_display_address (ENVELOPE * env)
{
  char *pfx = NULL;
  char buf[SHORT_STRING];
  ADDRESS *adr = NULL;

  adr = mutt_get_address (env, &pfx);

  if (!adr)
    return;

  /* 
   * Note: We don't convert IDNA to local representation this time.
   * That is intentional, so the user has an opportunity to copy &
   * paste the on-the-wire form of the address to other, IDN-unable
   * software. 
   */

  buf[0] = 0;
  rfc822_write_address (buf, sizeof (buf), adr, 0);
  mutt_message ("%s: %s", pfx, buf);
}

static void set_copy_flags (HEADER * hdr, int decode, int decrypt,
                            int *cmflags, int *chflags)
{
  *cmflags = 0;
  *chflags = CH_UPDATE_LEN;

  if (WithCrypto && !decode && decrypt && (hdr->security & ENCRYPT)) {
    if ((WithCrypto & APPLICATION_PGP)
        && mutt_is_multipart_encrypted (hdr->content)) {
      *chflags = CH_NONEWLINE | CH_XMIT | CH_MIME;
      *cmflags = M_CM_DECODE_PGP;
    }
    else if ((WithCrypto & APPLICATION_PGP)
             && mutt_is_application_pgp (hdr->content) & ENCRYPT)
      decode = 1;
    else if ((WithCrypto & APPLICATION_SMIME)
             && mutt_is_application_smime (hdr->content) & ENCRYPT) {
      *chflags = CH_NONEWLINE | CH_XMIT | CH_MIME;
      *cmflags = M_CM_DECODE_SMIME;
    }
  }

  if (decode) {
    *chflags = CH_XMIT | CH_MIME | CH_TXTPLAIN;
    *cmflags = M_CM_DECODE | M_CM_CHARCONV;

    if (!decrypt) {             /* If decode doesn't kick in for decrypt, */
      *chflags |= CH_DECODE;    /* then decode RFC 2047 headers, */

      if (option (OPTWEED)) {
        *chflags |= CH_WEED;    /* and respect $weed. */
        *cmflags |= M_CM_WEED;
      }
    }
  }
}

int _mutt_save_message (HEADER * h, CONTEXT * ctx, int delete, int decode,
                         int decrypt) {
  int cmflags, chflags;
  int rc;

  set_copy_flags (h, decode, decrypt, &cmflags, &chflags);

  if (decode || decrypt)
    mutt_parse_mime_message (Context, h);

  if ((rc = mutt_append_message (ctx, Context, h, cmflags, chflags)) != 0)
    return rc;

  if (delete) {
    mutt_set_flag (Context, h, M_DELETE, 1);
    if (option (OPTDELETEUNTAG))
      mutt_set_flag (Context, h, M_TAG, 0);
    mutt_set_flag (Context, h, M_APPENDED, 1);
  }
  return (0);
}

/* returns 0 if the copy/save was successful, or -1 on error/abort */
int mutt_save_message (HEADER * h, int delete,
                       int decode, int decrypt, int *redraw) {
  int i, need_buffy_cleanup;
  int need_passphrase = 0, app = 0;
  char prompt[SHORT_STRING], buf[_POSIX_PATH_MAX];
  CONTEXT ctx;
  struct stat st;

#ifdef BUFFY_SIZE
  BUFFY *tmp = NULL;
#else
  struct utimbuf ut;
#endif

  *redraw = 0;


  snprintf (prompt, sizeof (prompt),
            decode ? (delete ? _("Decode-save%s to mailbox") :
                      _("Decode-copy%s to mailbox")) :
            (decrypt ? (delete ? _("Decrypt-save%s to mailbox") :
                        _("Decrypt-copy%s to mailbox")) :
             (delete ? _("Save%s to mailbox") : _("Copy%s to mailbox"))),
            h ? "" : _(" tagged"));


  if (h) {
    if (WithCrypto) {
      need_passphrase = h->security & ENCRYPT;
      app = h->security;
    }
    mutt_message_hook (Context, h, M_MESSAGEHOOK);
    mutt_default_save (buf, sizeof (buf), h);
  }
  else {
    /* look for the first tagged message */

    for (i = 0; i < Context->vcount; i++) {
      if (Context->hdrs[Context->v2r[i]]->tagged) {
        h = Context->hdrs[Context->v2r[i]];
        break;
      }
    }


    if (h) {
      mutt_message_hook (Context, h, M_MESSAGEHOOK);
      mutt_default_save (buf, sizeof (buf), h);
      if (WithCrypto) {
        need_passphrase = h->security & ENCRYPT;
        app = h->security;
      }
      h = NULL;
    }
  }

  mutt_pretty_mailbox (buf);
  if (mutt_enter_fname (prompt, buf, sizeof (buf), redraw, 0) == -1)
    return (-1);

  if (*redraw != REDRAW_FULL) {
    if (!h)
      *redraw = REDRAW_INDEX | REDRAW_STATUS;
    else
      *redraw = REDRAW_STATUS;
  }

  if (!buf[0])
    return (-1);

  /* This is an undocumented feature of ELM pointed out to me by Felix von
   * Leitner <leitner@prz.fu-berlin.de>
   */
  if (str_cmp (buf, ".") == 0)
    strfcpy (buf, LastSaveFolder, sizeof (buf));
  else
    strfcpy (LastSaveFolder, buf, sizeof (LastSaveFolder));

  mutt_expand_path (buf, sizeof (buf));

  /* check to make sure that this file is really the one the user wants */
  if (mutt_save_confirm (buf, &st) != 0)
    return -1;

  if (WithCrypto && need_passphrase && (decode || decrypt)
      && !crypt_valid_passphrase (app))
    return -1;

  mutt_message (_("Copying to %s..."), buf);

#ifdef USE_IMAP
  if (Context->magic == M_IMAP && !(decode || decrypt) && mx_get_magic (buf) == M_IMAP) {
    switch (imap_copy_messages (Context, h, buf, delete)) {
      /* success */
    case 0:
      mutt_clear_error ();
      return 0;
      /* non-fatal error: fall through to fetch/append */
    case 1:
      break;
      /* fatal error, abort */
    case -1:
      return -1;
    }
  }
#endif

  if (mx_open_mailbox (buf, M_APPEND, &ctx) != NULL) {
    if (h) {
      if (_mutt_save_message (h, &ctx, delete, decode, decrypt) != 0) {
        mx_close_mailbox (&ctx, NULL);
        return (-1);
      }
    } else {
      for (i = 0; i < Context->vcount; i++) {
        if (Context->hdrs[Context->v2r[i]]->tagged) {
          mutt_message_hook (Context, Context->hdrs[Context->v2r[i]],
                             M_MESSAGEHOOK);
          if (_mutt_save_message (Context->hdrs[Context->v2r[i]], &ctx, delete,
                                  decode, decrypt) != 0) {
            mx_close_mailbox (&ctx, NULL);
            return (-1);
          }
        }
      }
    }

    need_buffy_cleanup = (ctx.magic == M_MBOX || ctx.magic == M_MMDF);

    mx_close_mailbox (&ctx, NULL);

    if (need_buffy_cleanup) {
#ifdef BUFFY_SIZE
      tmp = buffy_find_mailbox (buf);
      if (tmp && tmp->new <= 0)
        buffy_update_mailbox (tmp);
#else
      /* fix up the times so buffy won't get confused */
      if (st.st_mtime > st.st_atime) {
        ut.actime = st.st_atime;
        ut.modtime = time (NULL);
        utime (buf, &ut);
      }
      else
        utime (buf, NULL);
#endif
    }

    mutt_clear_error ();
    return (0);
  }

  return -1;
}

void mutt_version (void)
{
  mutt_message (mutt_make_version (1));
}

void mutt_edit_content_type (HEADER * h, BODY * b, FILE * fp)
{
  char buf[LONG_STRING];
  char obuf[LONG_STRING];
  char tmp[STRING];
  PARAMETER *p;

  char charset[STRING];
  char *cp;

  short charset_changed = 0;
  short type_changed = 0;

  cp = mutt_get_parameter ("charset", b->parameter);
  strfcpy (charset, NONULL (cp), sizeof (charset));

  snprintf (buf, sizeof (buf), "%s/%s", TYPE (b), b->subtype);
  strfcpy (obuf, buf, sizeof (obuf));
  if (b->parameter) {
    size_t l;

    for (p = b->parameter; p; p = p->next) {
      l = str_len (buf);

      rfc822_cat (tmp, sizeof (tmp), p->value, MimeSpecials);
      snprintf (buf + l, sizeof (buf) - l, "; %s=%s", p->attribute, tmp);
    }
  }

  if (mutt_get_field ("Content-Type: ", buf, sizeof (buf), 0) != 0 ||
      buf[0] == 0)
    return;

  /* clean up previous junk */
  mutt_free_parameter (&b->parameter);
  mem_free (&b->subtype);

  mutt_parse_content_type (buf, b);


  snprintf (tmp, sizeof (tmp), "%s/%s", TYPE (b), NONULL (b->subtype));
  type_changed = ascii_strcasecmp (tmp, obuf);
  charset_changed =
    ascii_strcasecmp (charset, mutt_get_parameter ("charset", b->parameter));

  /* if in send mode, check for conversion - current setting is default. */

  if (!h && b->type == TYPETEXT && charset_changed) {
    int r;

    snprintf (tmp, sizeof (tmp), _("Convert to %s upon sending?"),
              mutt_get_parameter ("charset", b->parameter));
    if ((r = mutt_yesorno (tmp, !b->noconv)) != -1)
      b->noconv = (r == M_NO);
  }

  /* inform the user */

  snprintf (tmp, sizeof (tmp), "%s/%s", TYPE (b), NONULL (b->subtype));
  if (type_changed)
    mutt_message (_("Content-Type changed to %s."), tmp);
  if (b->type == TYPETEXT && charset_changed) {
    if (type_changed)
      mutt_sleep (1);
    mutt_message (_("Character set changed to %s; %s."),
                  mutt_get_parameter ("charset", b->parameter),
                  b->noconv ? _("not converting") : _("converting"));
  }

  b->force_charset |= charset_changed ? 1 : 0;

  if (!is_multipart (b) && b->parts)
    mutt_free_body (&b->parts);
  if (!mutt_is_message_type (b->type, b->subtype) && b->hdr) {
    b->hdr->content = NULL;
    mutt_free_header (&b->hdr);
  }

  if (fp && (is_multipart (b) || mutt_is_message_type (b->type, b->subtype)))
    mutt_parse_part (fp, b);

  if (WithCrypto && h) {
    if (h->content == b)
      h->security = 0;

    h->security |= crypt_query (b);
  }
}


static int _mutt_check_traditional_pgp (HEADER * h, int *redraw)
{
  MESSAGE *msg;
  int rv = 0;

  h->security |= PGP_TRADITIONAL_CHECKED;

  mutt_parse_mime_message (Context, h);
  if ((msg = mx_open_message (Context, h->msgno)) == NULL)
    return 0;
  if (crypt_pgp_check_traditional (msg->fp, h->content, 0)) {
    h->security = crypt_query (h->content);
    *redraw |= REDRAW_FULL;
    rv = 1;
  }

  h->security |= PGP_TRADITIONAL_CHECKED;
  mx_close_message (&msg);
  return rv;
}

int mutt_check_traditional_pgp (HEADER * h, int *redraw)
{
  int i;
  int rv = 0;

  if (h && !(h->security & PGP_TRADITIONAL_CHECKED))
    rv = _mutt_check_traditional_pgp (h, redraw);
  else {
    for (i = 0; i < Context->vcount; i++)
      if (Context->hdrs[Context->v2r[i]]->tagged &&
          !(Context->hdrs[Context->v2r[i]]->
            security & PGP_TRADITIONAL_CHECKED))
        rv =
          _mutt_check_traditional_pgp (Context->hdrs[Context->v2r[i]], redraw)
          || rv;
  }
  return rv;
}


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