/*
* Copyright notice from original mutt:
* Copyright (C) 1996-2000 Michael R. Elkins <me@mutt.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.
*/
/* Close approximation of the mailx(1) builtin editor for sending mail. */
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mutt.h"
#include "ascii.h"
#include "enter.h"
#include "mutt_curses.h"
#include "mutt_idna.h"
#include "lib/mem.h"
#include "lib/intl.h"
#include "lib/str.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
/*
* SLcurses_waddnstr() can't take a "const char *", so this is only
* declared "static" (sigh)
*/
static char *EditorHelp = N_("\
~~ insert a line begining with a single ~\n\
~b users add users to the Bcc: field\n\
~c users add users to the Cc: field\n\
~f messages include messages\n\
~F messages same as ~f, except also include headers\n\
~h edit the message header\n\
~m messages include and quote messages\n\
~M messages same as ~m, except include headers\n\
~p print the message\n\
~q write file and quit editor\n\
~r file read a file into the editor\n\
~t users add users to the To: field\n\
~u recall the previous line\n\
~v edit message with the $visual editor\n\
~w file write message to file\n\
~x abort changes and quit editor\n\
~? this message\n\
. on a line by itself ends input\n");
static char **be_snarf_data (FILE * f, char **buf, int *bufmax, int *buflen,
LOFF_T offset, int bytes, int prefix)
{
char tmp[HUGE_STRING];
char *p = tmp;
int tmplen = sizeof (tmp);
tmp[sizeof (tmp) - 1] = 0;
if (prefix) {
strfcpy (tmp, NONULL (Prefix), sizeof (tmp));
tmplen = str_len (tmp);
p = tmp + tmplen;
tmplen = sizeof (tmp) - tmplen;
}
fseeko (f, offset, 0);
while (bytes > 0) {
if (fgets (p, tmplen - 1, f) == NULL)
break;
bytes -= str_len (p);
if (*bufmax == *buflen)
mem_realloc (&buf, sizeof (char *) * (*bufmax += 25));
buf[(*buflen)++] = str_dup (tmp);
}
if (buf && *bufmax == *buflen) { /* Do not smash memory past buf */
mem_realloc (&buf, sizeof (char *) * (++*bufmax));
}
if (buf)
buf[*buflen] = NULL;
return (buf);
}
static char **be_snarf_file (const char *path, char **buf, int *max, int *len,
int verbose)
{
FILE *f;
char tmp[LONG_STRING];
struct stat sb;
if ((f = fopen (path, "r"))) {
fstat (fileno (f), &sb);
buf = be_snarf_data (f, buf, max, len, 0, sb.st_size, 0);
if (verbose) {
snprintf (tmp, sizeof (tmp), "\"%s\" %lu bytes\n", path,
(unsigned long) sb.st_size);
addstr (tmp);
}
fclose (f);
}
else {
snprintf (tmp, sizeof (tmp), "%s: %s\n", path, strerror (errno));
addstr (tmp);
}
return (buf);
}
static int be_barf_file (const char *path, char **buf, int buflen)
{
FILE *f;
int i;
if ((f = safe_fopen (path, "w")) == NULL) { /* __FOPEN_CHECKED__ */
addstr (strerror (errno));
addch ('\n');
return (-1);
}
for (i = 0; i < buflen; i++)
fputs (buf[i], f);
if (fclose (f) == 0)
return 0;
printw ("fclose: %s\n", strerror (errno));
return (-1);
}
static void be_free_memory (char **buf, int buflen)
{
while (buflen-- > 0)
mem_free (&buf[buflen]);
if (buf)
mem_free (&buf);
}
static char **be_include_messages (char *msg, char **buf, int *bufmax,
int *buflen, int pfx, int inc_hdrs)
{
int offset, bytes, n;
char tmp[LONG_STRING];
while ((msg = strtok (msg, " ,")) != NULL) {
n = atoi (msg);
if (n > 0 && n <= Context->msgcount) {
n--;
/* add the attribution */
if (Attribution) {
mutt_make_string (tmp, sizeof (tmp) - 1, Attribution, Context,
Context->hdrs[n]);
strcat (tmp, "\n"); /* __STRCAT_CHECKED__ */
}
if (*bufmax == *buflen)
mem_realloc (&buf, sizeof (char *) * (*bufmax += 25));
buf[(*buflen)++] = str_dup (tmp);
bytes = Context->hdrs[n]->content->length;
if (inc_hdrs) {
offset = Context->hdrs[n]->offset;
bytes += Context->hdrs[n]->content->offset - offset;
}
else
offset = Context->hdrs[n]->content->offset;
buf = be_snarf_data (Context->fp, buf, bufmax, buflen, offset, bytes,
pfx);
if (*bufmax == *buflen)
mem_realloc (&buf, sizeof (char *) * (*bufmax += 25));
buf[(*buflen)++] = str_dup ("\n");
}
else
printw (_("%d: invalid message number.\n"), n);
msg = NULL;
}
return (buf);
}
static void be_print_header (ENVELOPE * env)
{
char tmp[HUGE_STRING];
if (env->to) {
addstr ("To: ");
tmp[0] = 0;
rfc822_write_address (tmp, sizeof (tmp), env->to, 1);
addstr (tmp);
addch ('\n');
}
if (env->cc) {
addstr ("Cc: ");
tmp[0] = 0;
rfc822_write_address (tmp, sizeof (tmp), env->cc, 1);
addstr (tmp);
addch ('\n');
}
if (env->bcc) {
addstr ("Bcc: ");
tmp[0] = 0;
rfc822_write_address (tmp, sizeof (tmp), env->bcc, 1);
addstr (tmp);
addch ('\n');
}
if (env->subject) {
addstr ("Subject: ");
addstr (env->subject);
addch ('\n');
}
addch ('\n');
}
/* args:
* force override the $ask* vars (used for the ~h command)
*/
static void be_edit_header (ENVELOPE * e, int force)
{
char tmp[HUGE_STRING];
move (LINES - 1, 0);
addstr ("To: ");
tmp[0] = 0;
mutt_addrlist_to_local (e->to);
rfc822_write_address (tmp, sizeof (tmp), e->to, 0);
if (!e->to || force) {
if (mutt_enter_string (tmp, sizeof (tmp), LINES - 1, 4, 0) == 0) {
rfc822_free_address (&e->to);
e->to = mutt_parse_adrlist (e->to, tmp);
e->to = mutt_expand_aliases (e->to);
mutt_addrlist_to_idna (e->to, NULL); /* XXX - IDNA error reporting? */
tmp[0] = 0;
rfc822_write_address (tmp, sizeof (tmp), e->to, 1);
mvaddstr (LINES - 1, 4, tmp);
}
}
else {
mutt_addrlist_to_idna (e->to, NULL); /* XXX - IDNA error reporting? */
addstr (tmp);
}
addch ('\n');
if (!e->subject || force) {
addstr ("Subject: ");
strfcpy (tmp, e->subject ? e->subject : "", sizeof (tmp));
if (mutt_enter_string (tmp, sizeof (tmp), LINES - 1, 9, 0) == 0)
str_replace (&e->subject, tmp);
addch ('\n');
}
if ((!e->cc && option (OPTASKCC)) || force) {
addstr ("Cc: ");
tmp[0] = 0;
mutt_addrlist_to_local (e->cc);
rfc822_write_address (tmp, sizeof (tmp), e->cc, 0);
if (mutt_enter_string (tmp, sizeof (tmp), LINES - 1, 4, 0) == 0) {
rfc822_free_address (&e->cc);
e->cc = mutt_parse_adrlist (e->cc, tmp);
e->cc = mutt_expand_aliases (e->cc);
tmp[0] = 0;
mutt_addrlist_to_idna (e->cc, NULL);
rfc822_write_address (tmp, sizeof (tmp), e->cc, 1);
mvaddstr (LINES - 1, 4, tmp);
}
else
mutt_addrlist_to_idna (e->cc, NULL);
addch ('\n');
}
if (option (OPTASKBCC) || force) {
addstr ("Bcc: ");
tmp[0] = 0;
mutt_addrlist_to_local (e->bcc);
rfc822_write_address (tmp, sizeof (tmp), e->bcc, 0);
if (mutt_enter_string (tmp, sizeof (tmp), LINES - 1, 5, 0) == 0) {
rfc822_free_address (&e->bcc);
e->bcc = mutt_parse_adrlist (e->bcc, tmp);
e->bcc = mutt_expand_aliases (e->bcc);
mutt_addrlist_to_idna (e->bcc, NULL);
tmp[0] = 0;
rfc822_write_address (tmp, sizeof (tmp), e->bcc, 1);
mvaddstr (LINES - 1, 5, tmp);
}
else
mutt_addrlist_to_idna (e->bcc, NULL);
addch ('\n');
}
}
int mutt_builtin_editor (const char *path, HEADER * msg, HEADER * cur)
{
char **buf = NULL;
int bufmax = 0, buflen = 0;
char tmp[LONG_STRING];
int abort = 0;
int done = 0;
int i;
char *p;
scrollok (stdscr, TRUE);
be_edit_header (msg->env, 0);
addstr (_("(End message with a . on a line by itself)\n"));
buf = be_snarf_file (path, buf, &bufmax, &buflen, 0);
tmp[0] = 0;
while (!done) {
if (mutt_enter_string (tmp, sizeof (tmp), LINES - 1, 0, 0) == -1) {
tmp[0] = 0;
continue;
}
addch ('\n');
if (EscChar && tmp[0] == EscChar[0] && tmp[1] != EscChar[0]) {
/* remove trailing whitespace from the line */
p = tmp + str_len (tmp) - 1;
while (p >= tmp && ISSPACE (*p))
*p-- = 0;
p = tmp + 2;
SKIPWS (p);
switch (tmp[1]) {
case '?':
addstr (_(EditorHelp));
break;
case 'b':
msg->env->bcc = mutt_parse_adrlist (msg->env->bcc, p);
msg->env->bcc = mutt_expand_aliases (msg->env->bcc);
break;
case 'c':
msg->env->cc = mutt_parse_adrlist (msg->env->cc, p);
msg->env->cc = mutt_expand_aliases (msg->env->cc);
break;
case 'h':
be_edit_header (msg->env, 1);
break;
case 'F':
case 'f':
case 'm':
case 'M':
if (Context) {
if (!*p && cur) {
/* include the current message */
p = tmp + str_len (tmp) + 1;
snprintf (tmp + str_len (tmp),
sizeof (tmp) - str_len (tmp), " %d",
cur->msgno + 1);
}
buf = be_include_messages (p, buf, &bufmax, &buflen,
(ascii_tolower (tmp[1]) == 'm'),
(ascii_isupper
((unsigned char) tmp[1])));
}
else
addstr (_("No mailbox.\n"));
break;
case 'p':
addstr ("-----\n");
addstr (_("Message contains:\n"));
be_print_header (msg->env);
for (i = 0; i < buflen; i++)
addstr (buf[i]);
addstr (_("(continue)\n"));
break;
case 'q':
done = 1;
break;
case 'r':
if (*p) {
strncpy (tmp, p, sizeof (tmp));
mutt_expand_path (tmp, sizeof (tmp));
buf = be_snarf_file (tmp, buf, &bufmax, &buflen, 1);
}
else
addstr (_("missing filename.\n"));
break;
case 's':
str_replace (&msg->env->subject, p);
break;
case 't':
msg->env->to = rfc822_parse_adrlist (msg->env->to, p);
msg->env->to = mutt_expand_aliases (msg->env->to);
break;
case 'u':
if (buflen) {
buflen--;
strfcpy (tmp, buf[buflen], sizeof (tmp));
tmp[str_len (tmp) - 1] = 0;
mem_free (&buf[buflen]);
buf[buflen] = NULL;
continue;
}
else
addstr (_("No lines in message.\n"));
break;
case 'e':
case 'v':
if (be_barf_file (path, buf, buflen) == 0) {
char *tag, *err;
be_free_memory (buf, buflen);
buf = NULL;
bufmax = buflen = 0;
if (option (OPTEDITHDRS)) {
mutt_env_to_local (msg->env);
mutt_edit_headers (NONULL (Visual), path, msg, NULL, 0);
if (mutt_env_to_idna (msg->env, &tag, &err))
printw (_("Bad IDN in %s: '%s'\n"), tag, err);
}
else
mutt_edit_file (NONULL (Visual), path);
buf = be_snarf_file (path, buf, &bufmax, &buflen, 0);
addstr (_("(continue)\n"));
}
break;
case 'w':
be_barf_file (*p ? p : path, buf, buflen);
break;
case 'x':
abort = 1;
done = 1;
break;
default:
printw (_("%s: unknown editor command (~? for help)\n"), tmp);
break;
}
}
else if (str_cmp (".", tmp) == 0)
done = 1;
else {
str_cat (tmp, sizeof (tmp), "\n");
if (buflen == bufmax)
mem_realloc (&buf, sizeof (char *) * (bufmax += 25));
buf[buflen++] = str_dup (tmp[1] == '~' ? tmp + 1 : tmp);
}
tmp[0] = 0;
}
if (!abort)
be_barf_file (path, buf, buflen);
be_free_memory (buf, buflen);
return (abort ? -1 : 0);
}
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