Mix/Src/menusend.c

/* Mixmaster version 3  --  (C) 1999 Anonymizer Inc.

   Mixmaster may be redistributed and modified under certain conditions.
   This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
   ANY KIND, either express or implied. See the file COPYRIGHT for
   details.

   Menu-based user interface -- send message
   $Id: menusend.c,v 1.4 2002/09/17 19:55:21 rabbi Exp $ */


#include "menu.h"
#include "mix3.h"
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#ifdef POSIX
#include <unistd.h>
#else
#include <io.h>
#endif

/* Command line option +nn to position the cursor? */
#define cursorpos (strfind(editor, "emacs") || streq(editor, "vi") || \
                   streq(editor, "joe"))

void send_message(int type, char *nym, BUFFER *in)
{
  char dest[LINELEN] = "", subject[LINELEN] = "";
  char chain[CHAINMAX], thisnym[LINELEN], path[PATHMAX];
  BUFFER *chainlist, *msg, *txt, *tmp, *field, *content, *cc, *cite;
  int numcopies;
  int hdr = 0;                  /* txt buffer contains header lines */
  FILE *f;
  int n, err;

#ifdef USE_PGP
  int sign = 0, encrypt = 0, key = 0;

#endif
#ifdef USE_NCURSES
  char reliability[9];
  int c;
  char line[LINELEN];

#endif
  msg = buf_new();
  tmp = buf_new();
  txt = buf_new();
  field = buf_new();
  content = buf_new();
  chainlist = buf_new();
  cc = buf_new();
  cite = buf_new();
  strncpy(chain, CHAIN, CHAINMAX);
  numcopies = NUMCOPIES;

  mix_status("");
  strncpy(thisnym, nym, sizeof(thisnym));

  if (in != NULL)
    buf_set(txt, in);

  if (bufileft(txt, "From "))
    buf_getline(txt, field);    /* ignore envelope From */

  if (type == 'p' || type == 'm') {
#ifndef USE_NCURSES
    mix_status("Invalid option to -f");
    mix_exit();
    exit(1);
#else
    clear();
    echo();
    if (in != NULL)
      mvprintw(1, 0, "%s forwarding message...", thisnym);
    if (type == 'p')
      mvprintw(3, 0, "Newsgroups: ");
    else
      mvprintw(3, 0, "Send message to: ");
    refresh();
    wgetnstr(stdscr, dest, LINELEN);
    if (dest[0] == '\0') {
      noecho();
      cl(3, 0);
      goto quit;
    }
    if (txt->length == 0) {
      mvprintw(4, 0, "Subject: ");
      refresh();
      wgetnstr(stdscr, subject, LINELEN);
    } else {
      strcpy(subject, "Forwarded message");
      while (buf_getheader(txt, field, content) == 0) {
        if (bufieq(field, "subject")) {
          strncpy(subject, content->data, sizeof(subject));
          strcatn(subject, " (fwd)", sizeof(subject));
        }
        if (bufieq(field, "from") || bufieq(field, "subject") ||
            bufieq(field, "date"))
          buf_appendheader(tmp, field, content);
      }
      buf_nl(tmp);
      buf_rest(tmp, txt);
      buf_move(txt, tmp);
    }
    noecho();
#endif
  } else {
    strcpy(subject, "Re: your mail");
    while (buf_getheader(txt, field, content) == 0) {
      if (bufieq(field, "subject")) {
        if (bufileft(content, "Re:"))
          subject[0] = '\0';
        else
          strcpy(subject, "Re: ");
        strcatn(subject, content->data, sizeof(subject));
      }
      if (bufieq(field, "from"))
        buf_set(cite, content);
      if (type == 'p' || type == 'f') {
        if (dest[0] == '\0' && bufieq(field, "newsgroups"))
          strncpy(dest, content->data, sizeof(dest));
        if (bufieq(field, "followup-to") && !bufieq(content, "poster"))
          strncpy(dest, content->data, sizeof(dest));
        if (bufieq(field, "message-id"))
          buf_appendf(tmp, "References: %b\n", content);
      } else {
        if (dest[0] == '\0' && bufieq(field, "from"))
          strncpy(dest, content->data, sizeof(dest));
        if (bufieq(field, "reply-to"))
          strncpy(dest, content->data, sizeof(dest));
        if (type == 'g' && (bufieq(field, "to") || bufieq(field, "cc"))) {
          if (cc->length)
            buf_appends(cc, ", ");
          buf_cat(cc, content);
        }
        if (bufieq(field, "message-id"))
          buf_appendf(tmp, "In-Reply-To: %b\n", content);
      }
    }
    if (cc->length)
      buf_appendf(tmp, "Cc: %b\n", cc);
    if (tmp->length > 0)
      hdr = 1;
    if (hdr)
      buf_nl(tmp);

    if ((type == 'f' || type == 'g') && cite->length) {
      buf_appendf(tmp, "%b wrote:\n\n", cite);
    }
    if (type == 'r')
      buf_appends(tmp, "You wrote:\n\n");

    while (buf_getline(txt, content) != -1)
      buf_appendf(tmp, "> %b\n", content);
    buf_set(txt, tmp);
    if (dest[0] == '\0') {
#ifdef USE_NCURSES
      beep();
      mix_status("No recipient address found.");
#endif
      goto quit;
    }
    goto edit;
  }

#ifdef USE_NCURSES
redraw:
  clear();

  for (;;) {
    standout();
    mvprintw(0, 0, "Mixmaster %s - ", VERSION);
    printw(type == 'p' || type == 'f' ? "posting to Usenet" : "sending mail");
    standend();
    mix_status(NULL);
    cl(2, 0);
    printw("n)ym: %s", thisnym);
    if (!strleft(thisnym, NONANON)) {
      cl(4, 0);
      chain_reliability(chain, 0, reliability);   /* chaintype 0=mix */
      printw("c)hain: %-35s (reliability: %s)", chain, reliability);
      cl(5, 0);
      printw("r)edundancy: %3d copies ", numcopies);
    }
    cl(7, 0);
    printw("d)estination: %s", dest);
    cl(8, 0);
    printw("s)ubject: %s", subject);
#ifdef USE_PGP
    if (type != 'p' && type != 'f') {
      cl(10, 0);
      printw("pgp encry)ption: ");
      if (encrypt)
        printw("yes");
      else
        printw("no");
    }
    if (!streq(thisnym, ANON)) {
      cl(11, 0);
      printw("p)gp signature: ");
      if (sign)
        printw("yes");
      else
        printw("no");
      cl(12, 0);
      if (key == 0)
        printw("attach pgp k)ey: no");
    }
#endif

    if (txt->length == 0)
      mvprintw(LINES - 3, 18,
               "e)dit message           f)ile                  q)uit");
    else
      mvprintw(LINES - 3, 0,
               "m)ail message           e)dit message          f)ile                q)uit");
    move(LINES - 1, COLS - 1);
    refresh();
    c = getch();
    if (c != ERR) {
      mix_status("");
      if (c == '\r' || c == '\n') {     /* default action is edit or mail */
        if (txt->length == 0)
          c = 'e';
        else
          c = 'm';
      }
      switch (c) {
      case 'n':
        menu_nym(thisnym);
        goto redraw;
      case '\014':
        goto redraw;
      case 'd':
        echo();
        cl(LINES - 3, 20);
        cl(7, 14);
        wgetnstr(stdscr, dest, LINELEN);
        noecho();
        break;
      case 's':
        echo();
        cl(LINES - 3, 20);
        cl(8, 10);
        wgetnstr(stdscr, subject, LINELEN);
        noecho();
        break;
      case 'c':
        menu_chain(chain, 0, (type == 'p' || type == 'f')
                   && streq(thisnym, ANON));
        goto redraw;
      case 'r':
        echo();
        cl(LINES - 5, 20);
        cl(5, 13);
        wgetnstr(stdscr, line, LINELEN);
        numcopies = strtol(line, NULL, 10);
        if (numcopies < 1 || numcopies > 10)
          numcopies = 1;
        noecho();
        break;
      case 'f':
        cl(LINES - 3, 0);
        askfilename(path);
        cl(LINES - 3, 0);
        if (txt->length) {
          buf_sets(tmp, path);
          buf_clear(msg);
          if (!hdr)
            buf_nl(msg);
          buf_cat(msg, txt);
          if (attachfile(msg, tmp) == -1)
            beep();
          else {
            buf_move(txt, msg);
            hdr = 1;
          }
        } else {
          if ((f = fopen(path, "r")) != NULL) {
            buf_clear(txt);
            buf_read(txt, f);
            fclose(f);
          } else
            beep();
        }
        break;
      case 'e':
#endif
        {
          char s[PATHMAX];
          char *editor;
          int showhdr;              /* show header in the editor? */
          int linecount;

        edit:
          editor = getenv("EDITOR");
          if (editor == NULL)
            editor = "vi";
          showhdr = 1;
          linecount = 1;
          sprintf(path, "%s%cx%02x%02x%02x%02x.txt", POOLDIR, DIRSEP,
                  rnd_byte(), rnd_byte(), rnd_byte(), rnd_byte());
          f = fopen(path, "w");
          if (f == NULL) {
#ifdef USE_NCURSES
            beep();
#endif
          } else {
            
            if (!cursorpos && txt->length == 0 && (type == 'm' || type == 'p'))
              showhdr = 0;

            if (showhdr)
            {
              if (type == 'f' || type == 'p')
                fprintf(f, "Newsgroups: %s\n", dest);
              if (type == 'r' || type == 'g' || type == 'm')
                fprintf(f, "To: %s\n", dest);
              fprintf(f, "Subject: %s\n", subject);
              linecount += 2;
              if (hdr)
                while (buf_getline(txt, NULL) == 0) linecount++;
              else
                fprintf(f, "\n");
              linecount++;
              if (txt->length == 0)
                fprintf(f, "\n");
            }
            buf_write(txt, f);
            fclose(f);
          }
          if (linecount > 1 && cursorpos)
            snprintf(s, PATHMAX, "%s +%d %s", editor, linecount, path);
          else
            snprintf(s, PATHMAX, "%s %s", editor, path);

#ifdef USE_NCURSES
          clear();
          refresh();
          endwin();
#endif
          system(s);
#ifdef USE_NCURSES
          refresh();
#endif

          f = fopen(path, "r");
          if (f == NULL) {
#ifdef USE_NCURSES
            clear();
            beep();
            continue;
#else
            goto quit;
#endif
          }
          buf_reset(txt);
          hdr = 0;
          if (showhdr) {
            buf_reset(tmp);
            buf_read(tmp, f);
            while (buf_getheader(tmp, field, content) == 0) {
              if (bufieq(field, "subject"))
                strncpy(subject, content->data,
                        sizeof(subject));
              else if ((type == 'p' || type == 'f') &&
                       bufieq(field, "newsgroups"))
                strncpy(dest, content->data, sizeof(dest));
              else if (bufieq(field, "to"))
                strncpy(dest, content->data, sizeof(dest));
              else {
                buf_appendheader(txt, field, content);
                hdr = 1;
              }
            }
            if (hdr)
              buf_nl(txt);
            buf_rest(txt, tmp);
          } else
            buf_read(txt, f);
          fclose(f);
          unlink(path);
          strcatn(path, "~", PATHMAX);
          unlink(path);
#ifndef USE_NCURSES
          {
            char line[4];

            fprintf(stderr, "Send message [y/n]? ");
            scanf("%3s", line);
            if (!strleft(line, "y"))
              goto quit;
          }
#else
          goto redraw;
        }
        break;
      case 'm':
        if (txt->length == 0)
          beep();
        else if (dest[0] == '\0') {
          mix_status("No destination given.");
          goto redraw;
        } else {
          mix_status("Creating message...");
#endif
          buf_reset(msg);

          if (type == 'p' || type == 'f')
            buf_appends(msg, "Newsgroups: ");
          else
            buf_appends(msg, "To: ");
          buf_appends(msg, dest);
          buf_nl(msg);
          buf_appends(msg, "Subject: ");
          if (subject[0] == '\0')
            buf_appends(msg, "(no subject)");
          else
            buf_appends(msg, subject);
          buf_nl(msg);
          if (!hdr)
            buf_nl(msg);
          buf_cat(msg, txt);
#ifdef USE_PGP
          {
            BUFFER *p;

            p = buf_new();
            if (streq(thisnym, ANON))
              sign = 0;
            if (sign || (key && !strileft(thisnym, NONANON)))
              user_pass(p);

            if (encrypt || sign) {
              if (pgp_mailenc((encrypt ? PGP_ENCRYPT : 0)
                              | (sign ? PGP_SIGN : 0) | PGP_TEXT
                              | (strleft(thisnym, NONANON) ? 0 : PGP_REMAIL),
                              msg, strleft(thisnym, NONANON) ?
                              ADDRESS : thisnym, p, PGPPUBRING,
                              strleft(thisnym, NONANON) ?
                              PGPSECRING : NYMSECRING) == -1) {
                mix_genericerror();
#ifdef USE_NCURSES
                beep();
                goto redraw;
#endif
              }
            }
            buf_free(p);
          }
#endif

          if (strleft(thisnym, NONANON)) {
            FILE *f = NULL;

            if (type == 'p' || type == 'f') {
              if (strchr(NEWS, '@')) {
                /*  NOT_IMPLEMENTED; */
              } else
                f = openpipe(NEWS);
            } else {
              if (NAME[0]) {
                buf_sets(tmp, NAME);
                buf_appends(tmp, " <");
                buf_appends(tmp, ADDRESS);
                buf_appends(tmp, ">");
              } else
                buf_sets(tmp, ADDRESS);
              mail_encode(msg, 0);
              if (sendmail(msg, tmp->data, NULL) != 0) {
#ifdef USE_NCURSES
                clear();
#endif
                mix_status("Error sending message.");
#ifdef USE_NCURSES
                goto redraw;
#else
                goto quit;
#endif
              }
            }
#ifdef USE_NCURSES
            clear();
#endif
            mix_status("Message sent non-anonymously.");
            goto quit;
          } else {
#ifdef USE_PGP
            if (!streq(thisnym, ANON)) {
              if (nym_encrypt(msg, thisnym, (type == 'p' || type == 'f') ?
                              MSG_POST : MSG_MAIL) == 0)
                type = 'm';
            }
#endif
            err = mix_encrypt((type == 'p' || type == 'f') ?
                              MSG_POST : MSG_MAIL,
                              msg, chain, numcopies, chainlist);
            if (err == 0) {
#ifdef USE_NCURSES
              clear();
#endif
              for (n = 0; buf_getline(chainlist, tmp) == 0; n++) ;
              if (n > 1)
                mix_status("Done. (%d packets)", n);
              else
                mix_status("Chain: %s", chainlist->data);
              goto quit;
            } else {
#ifdef USE_NCURSES
              beep();
#endif
              if (chainlist->length)
                mix_status("%s", chainlist->data);
              else
                mix_genericerror();
            }
          }
        }
#ifdef USE_NCURSES
        break;
      case 'q':
      case 'Q':
        clear();
        goto quit;
#ifdef USE_PGP
      case 'p':
        if (!streq(thisnym, ANON))
          sign = !sign;
        break;
      case 'y':
        encrypt = !encrypt;
        break;
      case 'k':
        if (!streq(thisnym, ANON)) {
          BUFFER *p, *keytxt, *uid;
            
          key = 1;
          p = buf_new();
          keytxt = buf_new();
          uid = buf_new();

          buf_appendf(uid, "<%s>", strleft(thisnym, NONANON) ? ADDRESS :
                      thisnym);
          user_pass(p);
          pgp_pubkeycert(uid, strleft(thisnym, NONANON) ?
                         PGPSECRING : NYMSECRING, p, keytxt, PGP_ARMOR_NYMKEY);

          buf_clear(msg);
          if (!hdr)
            buf_nl(msg);
          buf_cat(msg, txt);
          buf_sets(p, "application/pgp-keys");
          mime_attach(msg, keytxt, p);
          hdr = 1;
          buf_move(txt, msg);

          buf_free(p);
          buf_free(keytxt);
          buf_free(uid);
        }
        break;
#endif
      default:
        beep();
      }
    }
  }
#endif
quit:
  buf_free(cc);
  buf_free(cite);
  buf_free(msg);
  buf_free(txt);
  buf_free(field);
  buf_free(content);
  buf_free(chainlist);
  buf_free(tmp);
}
1	rabbi	1	/* Mixmaster version 3 -- (C) 1999 Anonymizer Inc.
2
3			Mixmaster may be redistributed and modified under certain conditions.
4			This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
5			ANY KIND, either express or implied. See the file COPYRIGHT for
6			details.
7
8			Menu-based user interface -- send message
9	rabbi	256	$Id: menusend.c,v 1.4 2002/09/17 19:55:21 rabbi Exp $ */
10	rabbi	1
11
12			#include "menu.h"
13			#include "mix3.h"
14			#include <string.h>
15			#include <ctype.h>
16			#include <stdlib.h>
17			#ifdef POSIX
18			#include <unistd.h>
19			#else
20			#include <io.h>
21			#endif
22
23			/* Command line option +nn to position the cursor? */
24			#define cursorpos (strfind(editor, "emacs") \|\| streq(editor, "vi") \|\| \
25			streq(editor, "joe"))
26
27			void send_message(int type, char nym, BUFFER in)
28			{
29			char dest[LINELEN] = "", subject[LINELEN] = "";
30			char chain[CHAINMAX], thisnym[LINELEN], path[PATHMAX];
31			BUFFER chainlist, msg, txt, tmp, field, content, cc, cite;
32			int numcopies;
33			int hdr = 0; /* txt buffer contains header lines */
34			FILE *f;
35			int n, err;
36
37			#ifdef USE_PGP
38			int sign = 0, encrypt = 0, key = 0;
39
40			#endif
41			#ifdef USE_NCURSES
42	rabbi	256	char reliability[9];
43	rabbi	1	int c;
44			char line[LINELEN];
45
46			#endif
47			msg = buf_new();
48			tmp = buf_new();
49			txt = buf_new();
50			field = buf_new();
51			content = buf_new();
52			chainlist = buf_new();
53			cc = buf_new();
54			cite = buf_new();
55			strncpy(chain, CHAIN, CHAINMAX);
56			numcopies = NUMCOPIES;
57
58			mix_status("");
59			strncpy(thisnym, nym, sizeof(thisnym));
60
61			if (in != NULL)
62			buf_set(txt, in);
63
64			if (bufileft(txt, "From "))
65			buf_getline(txt, field); /* ignore envelope From */
66
67			if (type == 'p' \|\| type == 'm') {
68			#ifndef USE_NCURSES
69			mix_status("Invalid option to -f");
70			mix_exit();
71			exit(1);
72			#else
73			clear();
74			echo();
75			if (in != NULL)
76			mvprintw(1, 0, "%s forwarding message...", thisnym);
77			if (type == 'p')
78			mvprintw(3, 0, "Newsgroups: ");
79			else
80			mvprintw(3, 0, "Send message to: ");
81			refresh();
82			wgetnstr(stdscr, dest, LINELEN);
83			if (dest[0] == '\0') {
84			noecho();
85			cl(3, 0);
86			goto quit;
87			}
88			if (txt->length == 0) {
89			mvprintw(4, 0, "Subject: ");
90			refresh();
91			wgetnstr(stdscr, subject, LINELEN);
92			} else {
93			strcpy(subject, "Forwarded message");
94			while (buf_getheader(txt, field, content) == 0) {
95			if (bufieq(field, "subject")) {
96			strncpy(subject, content->data, sizeof(subject));
97			strcatn(subject, " (fwd)", sizeof(subject));
98			}
99			if (bufieq(field, "from") \|\| bufieq(field, "subject") \|\|
100			bufieq(field, "date"))
101			buf_appendheader(tmp, field, content);
102			}
103			buf_nl(tmp);
104			buf_rest(tmp, txt);
105			buf_move(txt, tmp);
106			}
107			noecho();
108			#endif
109			} else {
110			strcpy(subject, "Re: your mail");
111			while (buf_getheader(txt, field, content) == 0) {
112			if (bufieq(field, "subject")) {
113			if (bufileft(content, "Re:"))
114			subject[0] = '\0';
115			else
116			strcpy(subject, "Re: ");
117			strcatn(subject, content->data, sizeof(subject));
118			}
119			if (bufieq(field, "from"))
120			buf_set(cite, content);
121			if (type == 'p' \|\| type == 'f') {
122			if (dest[0] == '\0' && bufieq(field, "newsgroups"))
123			strncpy(dest, content->data, sizeof(dest));
124			if (bufieq(field, "followup-to") && !bufieq(content, "poster"))
125			strncpy(dest, content->data, sizeof(dest));
126			if (bufieq(field, "message-id"))
127			buf_appendf(tmp, "References: %b\n", content);
128			} else {
129			if (dest[0] == '\0' && bufieq(field, "from"))
130			strncpy(dest, content->data, sizeof(dest));
131			if (bufieq(field, "reply-to"))
132			strncpy(dest, content->data, sizeof(dest));
133			if (type == 'g' && (bufieq(field, "to") \|\| bufieq(field, "cc"))) {
134			if (cc->length)
135			buf_appends(cc, ", ");
136			buf_cat(cc, content);
137			}
138			if (bufieq(field, "message-id"))
139			buf_appendf(tmp, "In-Reply-To: %b\n", content);
140			}
141			}
142			if (cc->length)
143			buf_appendf(tmp, "Cc: %b\n", cc);
144			if (tmp->length > 0)
145			hdr = 1;
146			if (hdr)
147			buf_nl(tmp);
148
149			if ((type == 'f' \|\| type == 'g') && cite->length) {
150			buf_appendf(tmp, "%b wrote:\n\n", cite);
151			}
152			if (type == 'r')
153			buf_appends(tmp, "You wrote:\n\n");
154
155			while (buf_getline(txt, content) != -1)
156			buf_appendf(tmp, "> %b\n", content);
157			buf_set(txt, tmp);
158			if (dest[0] == '\0') {
159			#ifdef USE_NCURSES
160			beep();
161			mix_status("No recipient address found.");
162			#endif
163			goto quit;
164			}
165			goto edit;
166			}
167
168			#ifdef USE_NCURSES
169			redraw:
170			clear();
171
172			for (;;) {
173			standout();
174			mvprintw(0, 0, "Mixmaster %s - ", VERSION);
175			printw(type == 'p' \|\| type == 'f' ? "posting to Usenet" : "sending mail");
176			standend();
177			mix_status(NULL);
178			cl(2, 0);
179			printw("n)ym: %s", thisnym);
180			if (!strleft(thisnym, NONANON)) {
181			cl(4, 0);
182			chain_reliability(chain, 0, reliability); /* chaintype 0=mix */
183			printw("c)hain: %-35s (reliability: %s)", chain, reliability);
184			cl(5, 0);
185			printw("r)edundancy: %3d copies ", numcopies);
186			}
187			cl(7, 0);
188			printw("d)estination: %s", dest);
189			cl(8, 0);
190			printw("s)ubject: %s", subject);
191			#ifdef USE_PGP
192			if (type != 'p' && type != 'f') {
193			cl(10, 0);
194			printw("pgp encry)ption: ");
195			if (encrypt)
196			printw("yes");
197			else
198			printw("no");
199			}
200			if (!streq(thisnym, ANON)) {
201			cl(11, 0);
202			printw("p)gp signature: ");
203			if (sign)
204			printw("yes");
205			else
206			printw("no");
207			cl(12, 0);
208			if (key == 0)
209			printw("attach pgp k)ey: no");
210			}
211			#endif
212
213			if (txt->length == 0)
214			mvprintw(LINES - 3, 18,
215			"e)dit message f)ile q)uit");
216			else
217			mvprintw(LINES - 3, 0,
218			"m)ail message e)dit message f)ile q)uit");
219			move(LINES - 1, COLS - 1);
220			refresh();
221			c = getch();
222			if (c != ERR) {
223			mix_status("");
224			if (c == '\r' \|\| c == '\n') { /* default action is edit or mail */
225			if (txt->length == 0)
226			c = 'e';
227			else
228			c = 'm';
229			}
230			switch (c) {
231			case 'n':
232			menu_nym(thisnym);
233			goto redraw;
234			case '\014':
235			goto redraw;
236			case 'd':
237			echo();
238			cl(LINES - 3, 20);
239			cl(7, 14);
240			wgetnstr(stdscr, dest, LINELEN);
241			noecho();
242			break;
243			case 's':
244			echo();
245			cl(LINES - 3, 20);
246			cl(8, 10);
247			wgetnstr(stdscr, subject, LINELEN);
248			noecho();
249			break;
250			case 'c':
251			menu_chain(chain, 0, (type == 'p' \|\| type == 'f')
252			&& streq(thisnym, ANON));
253			goto redraw;
254			case 'r':
255			echo();
256			cl(LINES - 5, 20);
257			cl(5, 13);
258			wgetnstr(stdscr, line, LINELEN);
259			numcopies = strtol(line, NULL, 10);
260			if (numcopies < 1 \|\| numcopies > 10)
261			numcopies = 1;
262			noecho();
263			break;
264			case 'f':
265			cl(LINES - 3, 0);
266			askfilename(path);
267			cl(LINES - 3, 0);
268			if (txt->length) {
269			buf_sets(tmp, path);
270			buf_clear(msg);
271			if (!hdr)
272			buf_nl(msg);
273			buf_cat(msg, txt);
274			if (attachfile(msg, tmp) == -1)
275			beep();
276			else {
277			buf_move(txt, msg);
278			hdr = 1;
279			}
280			} else {
281			if ((f = fopen(path, "r")) != NULL) {
282			buf_clear(txt);
283			buf_read(txt, f);
284			fclose(f);
285			} else
286			beep();
287			}
288			break;
289			case 'e':
290			#endif
291			{
292			char s[PATHMAX];
293			char *editor;
294			int showhdr; /* show header in the editor? */
295			int linecount;
296
297			edit:
298			editor = getenv("EDITOR");
299			if (editor == NULL)
300			editor = "vi";
301			showhdr = 1;
302			linecount = 1;
303	rabbi	11	sprintf(path, "%s%cx%02x%02x%02x%02x.txt", POOLDIR, DIRSEP,
304	rabbi	1	rnd_byte(), rnd_byte(), rnd_byte(), rnd_byte());
305			f = fopen(path, "w");
306			if (f == NULL) {
307			#ifdef USE_NCURSES
308			beep();
309			#endif
310			} else {
311
312			if (!cursorpos && txt->length == 0 && (type == 'm' \|\| type == 'p'))
313			showhdr = 0;
314
315			if (showhdr)
316			{
317			if (type == 'f' \|\| type == 'p')
318			fprintf(f, "Newsgroups: %s\n", dest);
319			if (type == 'r' \|\| type == 'g' \|\| type == 'm')
320			fprintf(f, "To: %s\n", dest);
321			fprintf(f, "Subject: %s\n", subject);
322			linecount += 2;
323			if (hdr)
324			while (buf_getline(txt, NULL) == 0) linecount++;
325			else
326			fprintf(f, "\n");
327			linecount++;
328			if (txt->length == 0)
329			fprintf(f, "\n");
330			}
331			buf_write(txt, f);
332			fclose(f);
333			}
334			if (linecount > 1 && cursorpos)
335			snprintf(s, PATHMAX, "%s +%d %s", editor, linecount, path);
336			else
337			snprintf(s, PATHMAX, "%s %s", editor, path);
338
339			#ifdef USE_NCURSES
340			clear();
341			refresh();
342			endwin();
343			#endif
344			system(s);
345			#ifdef USE_NCURSES
346			refresh();
347			#endif
348
349			f = fopen(path, "r");
350			if (f == NULL) {
351			#ifdef USE_NCURSES
352			clear();
353			beep();
354			continue;
355			#else
356			goto quit;
357			#endif
358			}
359			buf_reset(txt);
360			hdr = 0;
361			if (showhdr) {
362			buf_reset(tmp);
363			buf_read(tmp, f);
364			while (buf_getheader(tmp, field, content) == 0) {
365			if (bufieq(field, "subject"))
366			strncpy(subject, content->data,
367			sizeof(subject));
368			else if ((type == 'p' \|\| type == 'f') &&
369			bufieq(field, "newsgroups"))
370			strncpy(dest, content->data, sizeof(dest));
371			else if (bufieq(field, "to"))
372			strncpy(dest, content->data, sizeof(dest));
373			else {
374			buf_appendheader(txt, field, content);
375			hdr = 1;
376			}
377			}
378			if (hdr)
379			buf_nl(txt);
380			buf_rest(txt, tmp);
381			} else
382			buf_read(txt, f);
383			fclose(f);
384			unlink(path);
385			strcatn(path, "~", PATHMAX);
386			unlink(path);
387			#ifndef USE_NCURSES
388			{
389			char line[4];
390
391			fprintf(stderr, "Send message [y/n]? ");
392			scanf("%3s", line);
393			if (!strleft(line, "y"))
394			goto quit;
395			}
396			#else
397			goto redraw;
398			}
399			break;
400			case 'm':
401			if (txt->length == 0)
402			beep();
403			else if (dest[0] == '\0') {
404			mix_status("No destination given.");
405			goto redraw;
406			} else {
407			mix_status("Creating message...");
408			#endif
409			buf_reset(msg);
410
411			if (type == 'p' \|\| type == 'f')
412			buf_appends(msg, "Newsgroups: ");
413			else
414			buf_appends(msg, "To: ");
415			buf_appends(msg, dest);
416			buf_nl(msg);
417			buf_appends(msg, "Subject: ");
418			if (subject[0] == '\0')
419			buf_appends(msg, "(no subject)");
420			else
421			buf_appends(msg, subject);
422			buf_nl(msg);
423			if (!hdr)
424			buf_nl(msg);
425			buf_cat(msg, txt);
426			#ifdef USE_PGP
427			{
428			BUFFER *p;
429
430			p = buf_new();
431			if (streq(thisnym, ANON))
432			sign = 0;
433			if (sign \|\| (key && !strileft(thisnym, NONANON)))
434			user_pass(p);
435
436			if (encrypt \|\| sign) {
437			if (pgp_mailenc((encrypt ? PGP_ENCRYPT : 0)
438			\| (sign ? PGP_SIGN : 0) \| PGP_TEXT
439			\| (strleft(thisnym, NONANON) ? 0 : PGP_REMAIL),
440			msg, strleft(thisnym, NONANON) ?
441			ADDRESS : thisnym, p, PGPPUBRING,
442			strleft(thisnym, NONANON) ?
443			PGPSECRING : NYMSECRING) == -1) {
444			mix_genericerror();
445			#ifdef USE_NCURSES
446			beep();
447			goto redraw;
448			#endif
449			}
450			}
451			buf_free(p);
452			}
453			#endif
454
455			if (strleft(thisnym, NONANON)) {
456			FILE *f = NULL;
457
458			if (type == 'p' \|\| type == 'f') {
459			if (strchr(NEWS, '@')) {
460			/* NOT_IMPLEMENTED; */
461			} else
462			f = openpipe(NEWS);
463			} else {
464			if (NAME[0]) {
465			buf_sets(tmp, NAME);
466			buf_appends(tmp, " <");
467			buf_appends(tmp, ADDRESS);
468			buf_appends(tmp, ">");
469			} else
470			buf_sets(tmp, ADDRESS);
471			mail_encode(msg, 0);
472			if (sendmail(msg, tmp->data, NULL) != 0) {
473			#ifdef USE_NCURSES
474			clear();
475			#endif
476			mix_status("Error sending message.");
477			#ifdef USE_NCURSES
478			goto redraw;
479			#else
480			goto quit;
481			#endif
482			}
483			}
484			#ifdef USE_NCURSES
485			clear();
486			#endif
487			mix_status("Message sent non-anonymously.");
488			goto quit;
489			} else {
490			#ifdef USE_PGP
491			if (!streq(thisnym, ANON)) {
492			if (nym_encrypt(msg, thisnym, (type == 'p' \|\| type == 'f') ?
493			MSG_POST : MSG_MAIL) == 0)
494			type = 'm';
495			}
496			#endif
497			err = mix_encrypt((type == 'p' \|\| type == 'f') ?
498			MSG_POST : MSG_MAIL,
499			msg, chain, numcopies, chainlist);
500			if (err == 0) {
501			#ifdef USE_NCURSES
502			clear();
503			#endif
504			for (n = 0; buf_getline(chainlist, tmp) == 0; n++) ;
505			if (n > 1)
506			mix_status("Done. (%d packets)", n);
507			else
508			mix_status("Chain: %s", chainlist->data);
509			goto quit;
510			} else {
511			#ifdef USE_NCURSES
512			beep();
513			#endif
514			if (chainlist->length)
515			mix_status("%s", chainlist->data);
516			else
517			mix_genericerror();
518			}
519			}
520			}
521			#ifdef USE_NCURSES
522			break;
523			case 'q':
524			case 'Q':
525			clear();
526			goto quit;
527			#ifdef USE_PGP
528			case 'p':
529			if (!streq(thisnym, ANON))
530			sign = !sign;
531			break;
532			case 'y':
533			encrypt = !encrypt;
534			break;
535			case 'k':
536			if (!streq(thisnym, ANON)) {
537			BUFFER p, keytxt, *uid;
538
539			key = 1;
540			p = buf_new();
541			keytxt = buf_new();
542			uid = buf_new();
543
544			buf_appendf(uid, "<%s>", strleft(thisnym, NONANON) ? ADDRESS :
545			thisnym);
546			user_pass(p);
547			pgp_pubkeycert(uid, strleft(thisnym, NONANON) ?
548	weaselp	182	PGPSECRING : NYMSECRING, p, keytxt, PGP_ARMOR_NYMKEY);
549	rabbi	1
550			buf_clear(msg);
551			if (!hdr)
552			buf_nl(msg);
553			buf_cat(msg, txt);
554			buf_sets(p, "application/pgp-keys");
555			mime_attach(msg, keytxt, p);
556			hdr = 1;
557			buf_move(txt, msg);
558
559			buf_free(p);
560			buf_free(keytxt);
561			buf_free(uid);
562			}
563			break;
564			#endif
565			default:
566			beep();
567			}
568			}
569			}
570			#endif
571			quit:
572			buf_free(cc);
573			buf_free(cite);
574			buf_free(msg);
575			buf_free(txt);
576			buf_free(field);
577			buf_free(content);
578			buf_free(chainlist);
579			buf_free(tmp);
580			}