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/*
* Copyright (C) 1996-2000,2002,2007 Michael R. Elkins <me@mutt.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "mutt.h"
#include "mutt_curses.h"
#include "sort.h"
#include "charset.h"
#include "mutt_crypt.h"
#include "mutt_idna.h"
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#ifdef HAVE_ALLOCA_H
#include <alloca.h>
#endif
int mutt_is_mail_list (ADDRESS *addr)
{
if (!mutt_match_rx_list (addr->mailbox, UnMailLists))
return mutt_match_rx_list (addr->mailbox, MailLists);
return 0;
}
int mutt_is_subscribed_list (ADDRESS *addr)
{
if (!mutt_match_rx_list (addr->mailbox, UnMailLists)
&& !mutt_match_rx_list (addr->mailbox, UnSubscribedLists))
return mutt_match_rx_list (addr->mailbox, SubscribedLists);
return 0;
}
/* Search for a mailing list in the list of addresses pointed to by adr.
* If one is found, print pfx and the name of the list into buf, then
* return 1. Otherwise, simply return 0.
*/
static int
check_for_mailing_list (ADDRESS *adr, char *pfx, char *buf, int buflen)
{
for (; adr; adr = adr->next)
{
if (mutt_is_subscribed_list (adr))
{
if (pfx && buf && buflen)
snprintf (buf, buflen, "%s%s", pfx, mutt_get_name (adr));
return 1;
}
}
return 0;
}
/* Search for a mailing list in the list of addresses pointed to by adr.
* If one is found, print the address of the list into buf, then return 1.
* Otherwise, simply return 0.
*/
static int
check_for_mailing_list_addr (ADDRESS *adr, char *buf, int buflen)
{
for (; adr; adr = adr->next)
{
if (mutt_is_subscribed_list (adr))
{
if (buf && buflen)
snprintf (buf, buflen, "%s", adr->mailbox);
return 1;
}
}
return 0;
}
static int first_mailing_list (char *buf, size_t buflen, ADDRESS *a)
{
for (; a; a = a->next)
{
if (mutt_is_subscribed_list (a))
{
mutt_save_path (buf, buflen, a);
return 1;
}
}
return 0;
}
static void make_from (ENVELOPE *hdr, char *buf, size_t len, int do_lists)
{
int me;
me = mutt_addr_is_user (hdr->from);
if (do_lists || me)
{
if (check_for_mailing_list (hdr->to, "To ", buf, len))
return;
if (check_for_mailing_list (hdr->cc, "Cc ", buf, len))
return;
}
if (me && hdr->to)
snprintf (buf, len, "To %s", mutt_get_name (hdr->to));
else if (me && hdr->cc)
snprintf (buf, len, "Cc %s", mutt_get_name (hdr->cc));
else if (me && hdr->bcc)
snprintf (buf, len, "Bcc %s", mutt_get_name (hdr->bcc));
else if (hdr->from)
strfcpy (buf, mutt_get_name (hdr->from), len);
else
*buf = 0;
}
static void make_from_addr (ENVELOPE *hdr, char *buf, size_t len, int do_lists)
{
int me;
me = mutt_addr_is_user (hdr->from);
if (do_lists || me)
{
if (check_for_mailing_list_addr (hdr->to, buf, len))
return;
if (check_for_mailing_list_addr (hdr->cc, buf, len))
return;
}
if (me && hdr->to)
snprintf (buf, len, "%s", hdr->to->mailbox);
else if (me && hdr->cc)
snprintf (buf, len, "%s", hdr->cc->mailbox);
else if (hdr->from)
strfcpy (buf, hdr->from->mailbox, len);
else
*buf = 0;
}
static int user_in_addr (ADDRESS *a)
{
for (; a; a = a->next)
if (mutt_addr_is_user (a))
return 1;
return 0;
}
/* Return values:
* 0: user is not in list
* 1: user is unique recipient
* 2: user is in the TO list
* 3: user is in the CC list
* 4: user is originator
* 5: sent to a subscribed mailinglist
*/
int mutt_user_is_recipient (HEADER *h)
{
ENVELOPE *env = h->env;
if(!h->recip_valid)
{
h->recip_valid = 1;
if (mutt_addr_is_user (env->from))
h->recipient = 4;
else if (user_in_addr (env->to))
{
if (env->to->next || env->cc)
h->recipient = 2; /* non-unique recipient */
else
h->recipient = 1; /* unique recipient */
}
else if (user_in_addr (env->cc))
h->recipient = 3;
else if (check_for_mailing_list (env->to, NULL, NULL, 0))
h->recipient = 5;
else if (check_for_mailing_list (env->cc, NULL, NULL, 0))
h->recipient = 5;
else
h->recipient = 0;
}
return h->recipient;
}
/* %a = address of author
* %A = reply-to address (if present; otherwise: address of author
* %b = filename of the originating folder
* %B = the list to which the letter was sent
* %c = size of message in bytes
* %C = current message number
* %d = date and time of message using $date_format and sender's timezone
* %D = date and time of message using $date_format and local timezone
* %e = current message number in thread
* %E = number of messages in current thread
* %f = entire from line
* %F = like %n, unless from self
* %i = message-id
* %l = number of lines in the message
* %L = like %F, except `lists' are displayed first
* %m = number of messages in the mailbox
* %n = name of author
* %N = score
* %O = like %L, except using address instead of name
* %P = progress indicator for builtin pager
* %s = subject
* %S = short message status (e.g., N/O/D/!/r/-)
* %t = `to:' field (recipients)
* %T = $to_chars
* %u = user (login) name of author
* %v = first name of author, unless from self
* %X = number of MIME attachments
* %y = `x-label:' field (if present)
* %Y = `x-label:' field (if present, tree unfolded, and != parent's x-label)
* %Z = status flags */
static const char *
hdr_format_str (char *dest,
size_t destlen,
size_t col,
char op,
const char *src,
const char *prefix,
const char *ifstring,
const char *elsestring,
unsigned long data,
format_flag flags)
{
struct hdr_format_info *hfi = (struct hdr_format_info *) data;
HEADER *hdr, *htmp;
CONTEXT *ctx;
char fmt[SHORT_STRING], buf2[LONG_STRING], ch, *p;
int do_locales, i;
int optional = (flags & M_FORMAT_OPTIONAL);
int threads = ((Sort & SORT_MASK) == SORT_THREADS);
int is_index = (flags & M_FORMAT_INDEX);
#define THREAD_NEW (threads && hdr->collapsed && hdr->num_hidden > 1 && mutt_thread_contains_unread (ctx, hdr) == 1)
#define THREAD_OLD (threads && hdr->collapsed && hdr->num_hidden > 1 && mutt_thread_contains_unread (ctx, hdr) == 2)
size_t len;
hdr = hfi->hdr;
ctx = hfi->ctx;
dest[0] = 0;
switch (op)
{
case 'A':
if(hdr->env->reply_to && hdr->env->reply_to->mailbox)
{
mutt_format_s (dest, destlen, prefix, mutt_addr_for_display (hdr->env->reply_to));
break;
}
/* fall through if 'A' returns nothing */
case 'a':
if(hdr->env->from && hdr->env->from->mailbox)
{
mutt_format_s (dest, destlen, prefix, mutt_addr_for_display (hdr->env->from));
}
else
dest[0] = '\0';
break;
case 'B':
if (!first_mailing_list (dest, destlen, hdr->env->to) &&
!first_mailing_list (dest, destlen, hdr->env->cc))
dest[0] = 0;
if (dest[0])
{
strfcpy (buf2, dest, sizeof(buf2));
mutt_format_s (dest, destlen, prefix, buf2);
break;
}
/* fall through if 'B' returns nothing */
case 'b':
if(ctx)
{
if ((p = strrchr (ctx->path, '/')))
strfcpy (dest, p + 1, destlen);
else
strfcpy (dest, ctx->path, destlen);
}
else
strfcpy(dest, "(null)", destlen);
strfcpy (buf2, dest, sizeof(buf2));
mutt_format_s (dest, destlen, prefix, buf2);
break;
case 'c':
mutt_pretty_size (buf2, sizeof (buf2), (long) hdr->content->length);
mutt_format_s (dest, destlen, prefix, buf2);
break;
case 'C':
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, hdr->msgno + 1);
break;
case 'd':
case 'D':
case '{':
case '[':
case '(':
case '<':
/* preprocess $date_format to handle %Z */
{
const char *cp;
struct tm *tm;
time_t T;
p = dest;
cp = (op == 'd' || op == 'D') ? (NONULL (DateFmt)) : src;
if (*cp == '!')
{
do_locales = 0;
cp++;
}
else
do_locales = 1;
len = destlen - 1;
while (len > 0 && (((op == 'd' || op == 'D') && *cp) ||
(op == '{' && *cp != '}') ||
(op == '[' && *cp != ']') ||
(op == '(' && *cp != ')') ||
(op == '<' && *cp != '>')))
{
if (*cp == '%')
{
cp++;
if ((*cp == 'Z' || *cp == 'z') && (op == 'd' || op == '{'))
{
if (len >= 5)
{
sprintf (p, "%c%02u%02u", hdr->zoccident ? '-' : '+',
hdr->zhours, hdr->zminutes);
p += 5;
len -= 5;
}
else
break; /* not enough space left */
}
else
{
if (len >= 2)
{
*p++ = '%';
*p++ = *cp;
len -= 2;
}
else
break; /* not enough space */
}
cp++;
}
else
{
*p++ = *cp++;
len--;
}
}
*p = 0;
if (do_locales && Locale)
setlocale (LC_TIME, Locale);
if (op == '[' || op == 'D')
tm = localtime (&hdr->date_sent);
else if (op == '(')
tm = localtime (&hdr->received);
else if (op == '<')
{
T = time (NULL);
tm = localtime (&T);
}
else
{
/* restore sender's time zone */
T = hdr->date_sent;
if (hdr->zoccident)
T -= (hdr->zhours * 3600 + hdr->zminutes * 60);
else
T += (hdr->zhours * 3600 + hdr->zminutes * 60);
tm = gmtime (&T);
}
strftime (buf2, sizeof (buf2), dest, tm);
if (do_locales)
setlocale (LC_TIME, "C");
mutt_format_s (dest, destlen, prefix, buf2);
if (len > 0 && op != 'd' && op != 'D') /* Skip ending op */
src = cp + 1;
}
break;
case 'e':
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, mutt_messages_in_thread(ctx, hdr, 1));
break;
case 'E':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, mutt_messages_in_thread(ctx, hdr, 0));
}
else if (mutt_messages_in_thread(ctx, hdr, 0) <= 1)
optional = 0;
break;
case 'f':
buf2[0] = 0;
rfc822_write_address (buf2, sizeof (buf2), hdr->env->from, 1);
mutt_format_s (dest, destlen, prefix, buf2);
break;
case 'F':
if (!optional)
{
make_from (hdr->env, buf2, sizeof (buf2), 0);
mutt_format_s (dest, destlen, prefix, buf2);
}
else if (mutt_addr_is_user (hdr->env->from))
optional = 0;
break;
case 'H':
/* (Hormel) spam score */
if (optional)
optional = hdr->env->spam ? 1 : 0;
if (hdr->env->spam)
mutt_format_s (dest, destlen, prefix, NONULL (hdr->env->spam->data));
else
mutt_format_s (dest, destlen, prefix, "");
break;
case 'i':
mutt_format_s (dest, destlen, prefix, hdr->env->message_id ? hdr->env->message_id : "<no.id>");
break;
case 'l':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, (int) hdr->lines);
}
else if (hdr->lines <= 0)
optional = 0;
break;
case 'L':
if (!optional)
{
make_from (hdr->env, buf2, sizeof (buf2), 1);
mutt_format_s (dest, destlen, prefix, buf2);
}
else if (!check_for_mailing_list (hdr->env->to, NULL, NULL, 0) &&
!check_for_mailing_list (hdr->env->cc, NULL, NULL, 0))
{
optional = 0;
}
break;
case 'm':
if(ctx)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, ctx->msgcount);
}
else
strfcpy(dest, "(null)", destlen);
break;
case 'n':
mutt_format_s (dest, destlen, prefix, mutt_get_name (hdr->env->from));
break;
case 'N':
if (!optional)
{
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, hdr->score);
}
else
{
if (hdr->score == 0)
optional = 0;
}
break;
case 'O':
if (!optional)
{
make_from_addr (hdr->env, buf2, sizeof (buf2), 1);
if (!option (OPTSAVEADDRESS) && (p = strpbrk (buf2, "%@")))
*p = 0;
mutt_format_s (dest, destlen, prefix, buf2);
}
else if (!check_for_mailing_list_addr (hdr->env->to, NULL, 0) &&
!check_for_mailing_list_addr (hdr->env->cc, NULL, 0))
{
optional = 0;
}
break;
case 'M':
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
if (!optional)
{
if (threads && is_index && hdr->collapsed && hdr->num_hidden > 1)
snprintf (dest, destlen, fmt, hdr->num_hidden);
else if (is_index && threads)
mutt_format_s (dest, destlen, prefix, " ");
else
*dest = '\0';
}
else
{
if (!(threads && is_index && hdr->collapsed && hdr->num_hidden > 1))
optional = 0;
}
break;
case 'P':
strfcpy(dest, NONULL(hfi->pager_progress), destlen);
break;
case 's':
if (flags & M_FORMAT_TREE && !hdr->collapsed)
{
if (flags & M_FORMAT_FORCESUBJ)
{
mutt_format_s (dest, destlen, "", NONULL (hdr->env->subject));
snprintf (buf2, sizeof (buf2), "%s%s", hdr->tree, dest);
mutt_format_s_tree (dest, destlen, prefix, buf2);
}
else
mutt_format_s_tree (dest, destlen, prefix, hdr->tree);
}
else
mutt_format_s (dest, destlen, prefix, NONULL (hdr->env->subject));
break;
case 'S':
if (hdr->deleted)
ch = 'D';
else if (hdr->attach_del)
ch = 'd';
else if (hdr->tagged)
ch = '*';
else if (hdr->flagged)
ch = '!';
else if (hdr->replied)
ch = 'r';
else if (hdr->read && (ctx && ctx->msgnotreadyet != hdr->msgno))
ch = '-';
else if (hdr->old)
ch = 'O';
else
ch = 'N';
/* FOO - this is probably unsafe, but we are not likely to have such
a short string passed into this routine */
*dest = ch;
*(dest + 1) = 0;
break;
case 't':
buf2[0] = 0;
if (!check_for_mailing_list (hdr->env->to, "To ", buf2, sizeof (buf2)) &&
!check_for_mailing_list (hdr->env->cc, "Cc ", buf2, sizeof (buf2)))
{
if (hdr->env->to)
snprintf (buf2, sizeof (buf2), "To %s", mutt_get_name (hdr->env->to));
else if (hdr->env->cc)
snprintf (buf2, sizeof (buf2), "Cc %s", mutt_get_name (hdr->env->cc));
}
mutt_format_s (dest, destlen, prefix, buf2);
break;
case 'T':
snprintf (fmt, sizeof (fmt), "%%%sc", prefix);
snprintf (dest, destlen, fmt,
(Tochars && ((i = mutt_user_is_recipient (hdr))) < mutt_strlen (Tochars)) ? Tochars[i] : ' ');
break;
case 'u':
if (hdr->env->from && hdr->env->from->mailbox)
{
strfcpy (buf2, mutt_addr_for_display (hdr->env->from), sizeof (buf2));
if ((p = strpbrk (buf2, "%@")))
*p = 0;
}
else
buf2[0] = 0;
mutt_format_s (dest, destlen, prefix, buf2);
break;
case 'v':
if (mutt_addr_is_user (hdr->env->from))
{
if (hdr->env->to)
mutt_format_s (buf2, sizeof (buf2), prefix, mutt_get_name (hdr->env->to));
else if (hdr->env->cc)
mutt_format_s (buf2, sizeof (buf2), prefix, mutt_get_name (hdr->env->cc));
else
*buf2 = 0;
}
else
mutt_format_s (buf2, sizeof (buf2), prefix, mutt_get_name (hdr->env->from));
if ((p = strpbrk (buf2, " %@")))
*p = 0;
mutt_format_s (dest, destlen, prefix, buf2);
break;
case 'Z':
ch = ' ';
if (WithCrypto && hdr->security & GOODSIGN)
ch = 'S';
else if (WithCrypto && hdr->security & ENCRYPT)
ch = 'P';
else if (WithCrypto && hdr->security & SIGN)
ch = 's';
else if ((WithCrypto & APPLICATION_PGP) && hdr->security & PGPKEY)
ch = 'K';
snprintf (buf2, sizeof (buf2),
"%c%c%c", (THREAD_NEW ? 'n' : (THREAD_OLD ? 'o' :
((hdr->read && (ctx && ctx->msgnotreadyet != hdr->msgno))
? (hdr->replied ? 'r' : ' ') : (hdr->old ? 'O' : 'N')))),
hdr->deleted ? 'D' : (hdr->attach_del ? 'd' : ch),
hdr->tagged ? '*' :
(hdr->flagged ? '!' :
(Tochars && ((i = mutt_user_is_recipient (hdr)) < mutt_strlen (Tochars)) ? Tochars[i] : ' ')));
mutt_format_s (dest, destlen, prefix, buf2);
break;
case 'X':
{
int count = mutt_count_body_parts (ctx, hdr);
/* The recursion allows messages without depth to return 0. */
if (optional)
optional = count != 0;
snprintf (fmt, sizeof (fmt), "%%%sd", prefix);
snprintf (dest, destlen, fmt, count);
}
break;
case 'y':
if (optional)
optional = hdr->env->x_label ? 1 : 0;
mutt_format_s (dest, destlen, prefix, NONULL (hdr->env->x_label));
break;
case 'Y':
if (hdr->env->x_label)
{
i = 1; /* reduce reuse recycle */
htmp = NULL;
if (flags & M_FORMAT_TREE
&& (hdr->thread->prev && hdr->thread->prev->message
&& hdr->thread->prev->message->env->x_label))
htmp = hdr->thread->prev->message;
else if (flags & M_FORMAT_TREE
&& (hdr->thread->parent && hdr->thread->parent->message
&& hdr->thread->parent->message->env->x_label))
htmp = hdr->thread->parent->message;
if (htmp && mutt_strcasecmp (hdr->env->x_label,
htmp->env->x_label) == 0)
i = 0;
}
else
i = 0;
if (optional)
optional = i;
if (i)
mutt_format_s (dest, destlen, prefix, NONULL (hdr->env->x_label));
else
mutt_format_s (dest, destlen, prefix, "");
break;
default:
snprintf (dest, destlen, "%%%s%c", prefix, op);
break;
}
if (optional)
mutt_FormatString (dest, destlen, col, ifstring, hdr_format_str, (unsigned long) hfi, flags);
else if (flags & M_FORMAT_OPTIONAL)
mutt_FormatString (dest, destlen, col, elsestring, hdr_format_str, (unsigned long) hfi, flags);
return (src);
#undef THREAD_NEW
#undef THREAD_OLD
}
void
_mutt_make_string (char *dest, size_t destlen, const char *s, CONTEXT *ctx, HEADER *hdr, format_flag flags)
{
struct hdr_format_info hfi;
hfi.hdr = hdr;
hfi.ctx = ctx;
hfi.pager_progress = 0;
mutt_FormatString (dest, destlen, 0, s, hdr_format_str, (unsigned long) &hfi, flags);
}
void
mutt_make_string_info (char *dst, size_t dstlen, const char *s, struct hdr_format_info *hfi, format_flag flags)
{
mutt_FormatString (dst, dstlen, 0, s, hdr_format_str, (unsigned long) hfi, flags);
}