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parse.c
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/**
* @file
* Miscellaneous email parsing routines
*
* @authors
* Copyright (C) 2018 Richard Russon <[email protected]>
* Copyright (C) 2019 Pietro Cerutti <[email protected]>
*
* @copyright
* 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, see <http://www.gnu.org/licenses/>.
*/
/**
* @page email_parse Miscellaneous email parsing routines
*
* Miscellaneous email parsing routines
*/
#include "config.h"
#include <ctype.h>
#include <string.h>
#include <time.h>
#include "mutt/lib.h"
#include "address/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "mutt.h"
#include "parse.h"
#include "body.h"
#include "context.h"
#include "email.h"
#include "envelope.h"
#include "from.h"
#include "globals.h"
#include "mime.h"
#include "parameter.h"
#include "rfc2047.h"
#include "rfc2231.h"
#include "url.h"
#ifdef USE_AUTOCRYPT
#include "autocrypt/lib.h"
#include "mutt_globals.h"
#endif
/* If the 'Content-Length' is bigger than 1GiB, then it's clearly wrong.
* Cap the value to prevent overflow of Body.length */
#define CONTENT_TOO_BIG (1 << 30)
static void parse_part(FILE *fp, struct Body *b, int *counter);
static struct Body *rfc822_parse_message(FILE *fp, struct Body *parent, int *counter);
static struct Body *parse_multipart(FILE *fp, const char *boundary,
LOFF_T end_off, bool digest, int *counter);
/**
* mutt_auto_subscribe - Check if user is subscribed to mailing list
* @param mailto URL of mailing list subscribe
*/
void mutt_auto_subscribe(const char *mailto)
{
if (!mailto)
return;
if (!AutoSubscribeCache)
AutoSubscribeCache = mutt_hash_new(200, MUTT_HASH_STRCASECMP | MUTT_HASH_STRDUP_KEYS);
if (mutt_hash_find(AutoSubscribeCache, mailto))
return;
mutt_hash_insert(AutoSubscribeCache, mailto, AutoSubscribeCache);
struct Envelope *lpenv = mutt_env_new(); /* parsed envelope from the List-Post mailto: URL */
if (mutt_parse_mailto(lpenv, NULL, mailto) && !TAILQ_EMPTY(&lpenv->to))
{
const char *mailbox = TAILQ_FIRST(&lpenv->to)->mailbox;
if (mailbox && !mutt_regexlist_match(&SubscribedLists, mailbox) &&
!mutt_regexlist_match(&UnMailLists, mailbox) &&
!mutt_regexlist_match(&UnSubscribedLists, mailbox))
{
/* mutt_regexlist_add() detects duplicates, so it is safe to
* try to add here without any checks. */
mutt_regexlist_add(&MailLists, mailbox, REG_ICASE, NULL);
mutt_regexlist_add(&SubscribedLists, mailbox, REG_ICASE, NULL);
}
}
mutt_env_free(&lpenv);
}
/**
* parse_parameters - Parse a list of Parameters
* @param pl Parameter list for the results
* @param s String to parse
* @param allow_value_spaces Allow values with spaces
*
* Autocrypt defines an irregular parameter format that doesn't follow the
* rfc. It splits keydata across multiple lines without parameter continuations.
* The allow_value_spaces parameter allows parsing those values which
* are split by spaces when unfolded.
*/
static void parse_parameters(struct ParameterList *pl, const char *s, bool allow_value_spaces)
{
struct Parameter *pnew = NULL;
const char *p = NULL;
size_t i;
struct Buffer *buf = mutt_buffer_pool_get();
/* allow_value_spaces, especially with autocrypt keydata, can result
* in quite large parameter values. avoid frequent reallocs by
* pre-sizing */
if (allow_value_spaces)
mutt_buffer_alloc(buf, mutt_str_len(s));
mutt_debug(LL_DEBUG2, "'%s'\n", s);
while (*s)
{
mutt_buffer_reset(buf);
p = strpbrk(s, "=;");
if (!p)
{
mutt_debug(LL_DEBUG1, "malformed parameter: %s\n", s);
goto bail;
}
/* if we hit a ; now the parameter has no value, just skip it */
if (*p != ';')
{
i = p - s;
/* remove whitespace from the end of the attribute name */
while ((i > 0) && mutt_str_is_email_wsp(s[i - 1]))
i--;
/* the check for the missing parameter token is here so that we can skip
* over any quoted value that may be present. */
if (i == 0)
{
mutt_debug(LL_DEBUG1, "missing attribute: %s\n", s);
pnew = NULL;
}
else
{
pnew = mutt_param_new();
pnew->attribute = mutt_strn_dup(s, i);
}
do
{
s = mutt_str_skip_email_wsp(p + 1); /* skip over the =, or space if we loop */
if (*s == '"')
{
bool state_ascii = true;
s++;
for (; *s; s++)
{
const char *const c_assumed_charset =
cs_subset_string(NeoMutt->sub, "assumed_charset");
if (c_assumed_charset)
{
// As iso-2022-* has a character of '"' with non-ascii state, ignore it
if (*s == 0x1b)
{
if ((s[1] == '(') && ((s[2] == 'B') || (s[2] == 'J')))
state_ascii = true;
else
state_ascii = false;
}
}
if (state_ascii && (*s == '"'))
break;
if (*s == '\\')
{
if (s[1])
{
s++;
/* Quote the next character */
mutt_buffer_addch(buf, *s);
}
}
else
mutt_buffer_addch(buf, *s);
}
if (*s)
s++; /* skip over the " */
}
else
{
for (; *s && *s != ' ' && *s != ';'; s++)
mutt_buffer_addch(buf, *s);
}
p = s;
} while (allow_value_spaces && (*s == ' '));
/* if the attribute token was missing, 'new' will be NULL */
if (pnew)
{
pnew->value = mutt_buffer_strdup(buf);
mutt_debug(LL_DEBUG2, "parse_parameter: '%s' = '%s'\n",
pnew->attribute ? pnew->attribute : "", pnew->value ? pnew->value : "");
/* Add this parameter to the list */
TAILQ_INSERT_HEAD(pl, pnew, entries);
}
}
else
{
mutt_debug(LL_DEBUG1, "parameter with no value: %s\n", s);
s = p;
}
/* Find the next parameter */
if ((*s != ';') && !(s = strchr(s, ';')))
break; /* no more parameters */
do
{
/* Move past any leading whitespace. the +1 skips over the semicolon */
s = mutt_str_skip_email_wsp(s + 1);
} while (*s == ';'); /* skip empty parameters */
}
bail:
rfc2231_decode_parameters(pl);
mutt_buffer_pool_release(&buf);
}
/**
* parse_content_disposition - Parse a content disposition
* @param s String to parse
* @param ct Body to save the result
*
* e.g. parse a string "inline" and set #DISP_INLINE.
*/
static void parse_content_disposition(const char *s, struct Body *ct)
{
struct ParameterList pl;
TAILQ_INIT(&pl);
if (mutt_istr_startswith(s, "inline"))
ct->disposition = DISP_INLINE;
else if (mutt_istr_startswith(s, "form-data"))
ct->disposition = DISP_FORM_DATA;
else
ct->disposition = DISP_ATTACH;
/* Check to see if a default filename was given */
s = strchr(s, ';');
if (s)
{
s = mutt_str_skip_email_wsp(s + 1);
parse_parameters(&pl, s, false);
s = mutt_param_get(&pl, "filename");
if (s)
mutt_str_replace(&ct->filename, s);
s = mutt_param_get(&pl, "name");
if (s)
ct->form_name = mutt_str_dup(s);
mutt_param_free(&pl);
}
}
/**
* parse_references - Parse references from an email header
* @param head List to receive the references
* @param s String to parse
*/
static void parse_references(struct ListHead *head, const char *s)
{
if (!head)
return;
char *m = NULL;
for (size_t off = 0; (m = mutt_extract_message_id(s, &off)); s += off)
{
mutt_list_insert_head(head, m);
}
}
/**
* parse_content_language - Read the content's language
* @param s Language string
* @param ct Body of the email
*/
static void parse_content_language(const char *s, struct Body *ct)
{
if (!s || !ct)
return;
mutt_debug(LL_DEBUG2, "RFC8255 >> Content-Language set to %s\n", s);
ct->language = mutt_str_dup(s);
}
/**
* mutt_matches_ignore - Does the string match the ignore list
* @param s String to check
* @retval true String matches
*
* Checks Ignore and UnIgnore using mutt_list_match
*/
bool mutt_matches_ignore(const char *s)
{
return mutt_list_match(s, &Ignore) && !mutt_list_match(s, &UnIgnore);
}
/**
* mutt_check_mime_type - Check a MIME type string
* @param s String to check
* @retval num MIME type, e.g. #TYPE_TEXT
*/
enum ContentType mutt_check_mime_type(const char *s)
{
if (mutt_istr_equal("text", s))
return TYPE_TEXT;
if (mutt_istr_equal("multipart", s))
return TYPE_MULTIPART;
#ifdef SUN_ATTACHMENT
if (mutt_istr_equal("x-sun-attachment", s))
return TYPE_MULTIPART;
#endif
if (mutt_istr_equal("application", s))
return TYPE_APPLICATION;
if (mutt_istr_equal("message", s))
return TYPE_MESSAGE;
if (mutt_istr_equal("image", s))
return TYPE_IMAGE;
if (mutt_istr_equal("audio", s))
return TYPE_AUDIO;
if (mutt_istr_equal("video", s))
return TYPE_VIDEO;
if (mutt_istr_equal("model", s))
return TYPE_MODEL;
if (mutt_istr_equal("*", s))
return TYPE_ANY;
if (mutt_istr_equal(".*", s))
return TYPE_ANY;
return TYPE_OTHER;
}
/**
* mutt_extract_message_id - Find a message-id
* @param[in] s String to parse
* @param[out] len Number of bytes of s parsed
* @retval ptr Message id found
* @retval NULL No more message ids
*/
char *mutt_extract_message_id(const char *s, size_t *len)
{
if (!s || (*s == '\0'))
return NULL;
char *decoded = mutt_str_dup(s);
rfc2047_decode(&decoded);
char *res = NULL;
for (const char *p = decoded, *beg = NULL; *p; p++)
{
if (*p == '<')
{
beg = p;
continue;
}
if (beg && (*p == '>'))
{
if (len)
*len = p - decoded + 1;
res = mutt_strn_dup(beg, (p + 1) - beg);
break;
}
}
FREE(&decoded);
return res;
}
/**
* mutt_check_encoding - Check the encoding type
* @param c String to check
* @retval num Encoding type, e.g. #ENC_QUOTED_PRINTABLE
*/
int mutt_check_encoding(const char *c)
{
if (mutt_istr_startswith(c, "7bit"))
return ENC_7BIT;
if (mutt_istr_startswith(c, "8bit"))
return ENC_8BIT;
if (mutt_istr_startswith(c, "binary"))
return ENC_BINARY;
if (mutt_istr_startswith(c, "quoted-printable"))
return ENC_QUOTED_PRINTABLE;
if (mutt_istr_startswith(c, "base64"))
return ENC_BASE64;
if (mutt_istr_startswith(c, "x-uuencode"))
return ENC_UUENCODED;
#ifdef SUN_ATTACHMENT
if (mutt_istr_startswith(c, "uuencode"))
return ENC_UUENCODED;
#endif
return ENC_OTHER;
}
/**
* mutt_parse_content_type - Parse a content type
* @param s String to parse
* @param ct Body to save the result
*
* e.g. parse a string "inline" and set #DISP_INLINE.
*/
void mutt_parse_content_type(const char *s, struct Body *ct)
{
if (!s || !ct)
return;
FREE(&ct->subtype);
mutt_param_free(&ct->parameter);
/* First extract any existing parameters */
char *pc = strchr(s, ';');
if (pc)
{
*pc++ = 0;
while (*pc && IS_SPACE(*pc))
pc++;
parse_parameters(&ct->parameter, pc, false);
/* Some pre-RFC1521 gateways still use the "name=filename" convention,
* but if a filename has already been set in the content-disposition,
* let that take precedence, and don't set it here */
pc = mutt_param_get(&ct->parameter, "name");
if (pc && !ct->filename)
ct->filename = mutt_str_dup(pc);
#ifdef SUN_ATTACHMENT
/* this is deep and utter perversion */
pc = mutt_param_get(&ct->parameter, "conversions");
if (pc)
ct->encoding = mutt_check_encoding(pc);
#endif
}
/* Now get the subtype */
char *subtype = strchr(s, '/');
if (subtype)
{
*subtype++ = '\0';
for (pc = subtype; *pc && !IS_SPACE(*pc) && (*pc != ';'); pc++)
; // do nothing
*pc = '\0';
ct->subtype = mutt_str_dup(subtype);
}
/* Finally, get the major type */
ct->type = mutt_check_mime_type(s);
#ifdef SUN_ATTACHMENT
if (mutt_istr_equal("x-sun-attachment", s))
ct->subtype = mutt_str_dup("x-sun-attachment");
#endif
if (ct->type == TYPE_OTHER)
{
mutt_str_replace(&ct->xtype, s);
}
if (!ct->subtype)
{
/* Some older non-MIME mailers (i.e., mailtool, elm) have a content-type
* field, so we can attempt to convert the type to Body here. */
if (ct->type == TYPE_TEXT)
ct->subtype = mutt_str_dup("plain");
else if (ct->type == TYPE_AUDIO)
ct->subtype = mutt_str_dup("basic");
else if (ct->type == TYPE_MESSAGE)
ct->subtype = mutt_str_dup("rfc822");
else if (ct->type == TYPE_OTHER)
{
char buf[128];
ct->type = TYPE_APPLICATION;
snprintf(buf, sizeof(buf), "x-%s", s);
ct->subtype = mutt_str_dup(buf);
}
else
ct->subtype = mutt_str_dup("x-unknown");
}
/* Default character set for text types. */
if (ct->type == TYPE_TEXT)
{
pc = mutt_param_get(&ct->parameter, "charset");
if (pc)
{
/* Microsoft Outlook seems to think it is necessary to repeat
* charset=, strip it off not to confuse ourselves */
if (mutt_istrn_equal(pc, "charset=", sizeof("charset=") - 1))
mutt_param_set(&ct->parameter, "charset", pc + (sizeof("charset=") - 1));
}
else
{
const char *const c_assumed_charset =
cs_subset_string(NeoMutt->sub, "assumed_charset");
mutt_param_set(&ct->parameter, "charset",
(c_assumed_charset) ? (const char *) mutt_ch_get_default_charset() :
"us-ascii");
}
}
}
#ifdef USE_AUTOCRYPT
/**
* parse_autocrypt - Parse an Autocrypt header line
* @param head Autocrypt header to insert before
* @param s Header string to parse
* @retval ptr New AutocryptHeader inserted before head
*/
static struct AutocryptHeader *parse_autocrypt(struct AutocryptHeader *head, const char *s)
{
struct AutocryptHeader *autocrypt = mutt_autocrypthdr_new();
autocrypt->next = head;
struct ParameterList pl = TAILQ_HEAD_INITIALIZER(pl);
parse_parameters(&pl, s, true);
if (TAILQ_EMPTY(&pl))
{
autocrypt->invalid = true;
goto cleanup;
}
struct Parameter *p = NULL;
TAILQ_FOREACH(p, &pl, entries)
{
if (mutt_istr_equal(p->attribute, "addr"))
{
if (autocrypt->addr)
{
autocrypt->invalid = true;
goto cleanup;
}
autocrypt->addr = p->value;
p->value = NULL;
}
else if (mutt_istr_equal(p->attribute, "prefer-encrypt"))
{
if (mutt_istr_equal(p->value, "mutual"))
autocrypt->prefer_encrypt = true;
}
else if (mutt_istr_equal(p->attribute, "keydata"))
{
if (autocrypt->keydata)
{
autocrypt->invalid = true;
goto cleanup;
}
autocrypt->keydata = p->value;
p->value = NULL;
}
else if (p->attribute && (p->attribute[0] != '_'))
{
autocrypt->invalid = true;
goto cleanup;
}
}
/* Checking the addr against From, and for multiple valid headers
* occurs later, after all the headers are parsed. */
if (!autocrypt->addr || !autocrypt->keydata)
autocrypt->invalid = true;
cleanup:
mutt_param_free(&pl);
return autocrypt;
}
#endif
/**
* mutt_rfc822_parse_line - Parse an email header
* @param env Envelope of the email
* @param e Email
* @param line Header field, e.g. 'to'
* @param p Header value, e.g. '[email protected]'
* @param user_hdrs If true, save into the Envelope's userhdrs
* @param weed If true, perform header weeding (filtering)
* @param do_2047 If true, perform RFC2047 decoding of the field
* @retval 1 The field is recognised
* @retval 0 The field is not recognised
*
* Process a line from an email header. Each line that is recognised is parsed
* and the information put in the Envelope or Header.
*/
int mutt_rfc822_parse_line(struct Envelope *env, struct Email *e, char *line,
char *p, bool user_hdrs, bool weed, bool do_2047)
{
if (!env || !line)
return 0;
bool matched = false;
switch (tolower(line[0]))
{
case 'a':
if (mutt_istr_equal(line + 1, "pparently-to"))
{
mutt_addrlist_parse(&env->to, p);
matched = true;
}
else if (mutt_istr_equal(line + 1, "pparently-from"))
{
mutt_addrlist_parse(&env->from, p);
matched = true;
}
break;
case 'b':
if (mutt_istr_equal(line + 1, "cc"))
{
mutt_addrlist_parse(&env->bcc, p);
matched = true;
}
break;
case 'c':
if (mutt_istr_equal(line + 1, "c"))
{
mutt_addrlist_parse(&env->cc, p);
matched = true;
}
else
{
size_t plen = mutt_istr_startswith(line + 1, "ontent-");
if (plen != 0)
{
if (mutt_istr_equal(line + 1 + plen, "type"))
{
if (e)
mutt_parse_content_type(p, e->body);
matched = true;
}
else if (mutt_istr_equal(line + 1 + plen, "language"))
{
if (e)
parse_content_language(p, e->body);
matched = true;
}
else if (mutt_istr_equal(line + 1 + plen, "transfer-encoding"))
{
if (e)
e->body->encoding = mutt_check_encoding(p);
matched = true;
}
else if (mutt_istr_equal(line + 1 + plen, "length"))
{
if (e)
{
int rc = mutt_str_atol(p, (long *) &e->body->length);
if ((rc < 0) || (e->body->length < 0))
e->body->length = -1;
if (e->body->length > CONTENT_TOO_BIG)
e->body->length = CONTENT_TOO_BIG;
}
matched = true;
}
else if (mutt_istr_equal(line + 1 + plen, "description"))
{
if (e)
{
mutt_str_replace(&e->body->description, p);
rfc2047_decode(&e->body->description);
}
matched = true;
}
else if (mutt_istr_equal(line + 1 + plen, "disposition"))
{
if (e)
parse_content_disposition(p, e->body);
matched = true;
}
}
}
break;
case 'd':
if (!mutt_istr_equal("ate", line + 1))
break;
mutt_str_replace(&env->date, p);
if (e)
{
struct Tz tz;
e->date_sent = mutt_date_parse_date(p, &tz);
if (e->date_sent > 0)
{
e->zhours = tz.zhours;
e->zminutes = tz.zminutes;
e->zoccident = tz.zoccident;
}
}
matched = true;
break;
case 'e':
if (mutt_istr_equal("xpires", line + 1) && e &&
(mutt_date_parse_date(p, NULL) < mutt_date_epoch()))
{
e->expired = true;
}
break;
case 'f':
if (mutt_istr_equal("rom", line + 1))
{
mutt_addrlist_parse(&env->from, p);
matched = true;
}
#ifdef USE_NNTP
else if (mutt_istr_equal(line + 1, "ollowup-to"))
{
if (!env->followup_to)
{
mutt_str_remove_trailing_ws(p);
env->followup_to = mutt_str_dup(mutt_str_skip_whitespace(p));
}
matched = true;
}
#endif
break;
case 'i':
if (!mutt_istr_equal(line + 1, "n-reply-to"))
break;
mutt_list_free(&env->in_reply_to);
parse_references(&env->in_reply_to, p);
matched = true;
break;
case 'l':
if (mutt_istr_equal(line + 1, "ines"))
{
if (e)
{
/* HACK - neomutt has, for a very short time, produced negative
* Lines header values. Ignore them. */
if ((mutt_str_atoi(p, &e->lines) < 0) || (e->lines < 0))
e->lines = 0;
}
matched = true;
}
else if (mutt_istr_equal(line + 1, "ist-Post"))
{
/* RFC2369. FIXME: We should ignore whitespace, but don't. */
if (!mutt_strn_equal(p, "NO", 2))
{
char *beg = NULL, *end = NULL;
for (beg = strchr(p, '<'); beg; beg = strchr(end, ','))
{
beg++;
end = strchr(beg, '>');
if (!end)
break;
char *mlist = mutt_strn_dup(beg, end - beg);
/* Take the first mailto URL */
if (url_check_scheme(mlist) == U_MAILTO)
{
FREE(&env->list_post);
env->list_post = mlist;
const bool c_auto_subscribe =
cs_subset_bool(NeoMutt->sub, "auto_subscribe");
if (c_auto_subscribe)
mutt_auto_subscribe(env->list_post);
break;
}
FREE(&mlist);
}
}
matched = true;
}
break;
case 'm':
if (mutt_istr_equal(line + 1, "ime-version"))
{
if (e)
e->mime = true;
matched = true;
}
else if (mutt_istr_equal(line + 1, "essage-id"))
{
/* We add a new "Message-ID:" when building a message */
FREE(&env->message_id);
env->message_id = mutt_extract_message_id(p, NULL);
matched = true;
}
else
{
size_t plen = mutt_istr_startswith(line + 1, "ail-");
if (plen != 0)
{
if (mutt_istr_equal(line + 1 + plen, "reply-to"))
{
/* override the Reply-To: field */
mutt_addrlist_clear(&env->reply_to);
mutt_addrlist_parse(&env->reply_to, p);
matched = true;
}
else if (mutt_istr_equal(line + 1 + plen, "followup-to"))
{
mutt_addrlist_parse(&env->mail_followup_to, p);
matched = true;
}
}
}
break;
#ifdef USE_NNTP
case 'n':
if (mutt_istr_equal(line + 1, "ewsgroups"))
{
FREE(&env->newsgroups);
mutt_str_remove_trailing_ws(p);
env->newsgroups = mutt_str_dup(mutt_str_skip_whitespace(p));
matched = true;
}
break;
#endif
case 'o':
/* field 'Organization:' saves only for pager! */
if (mutt_istr_equal(line + 1, "rganization"))
{
if (!env->organization && !mutt_istr_equal(p, "unknown"))
env->organization = mutt_str_dup(p);
}
break;
case 'r':
if (mutt_istr_equal(line + 1, "eferences"))
{
mutt_list_free(&env->references);
parse_references(&env->references, p);
matched = true;
}
else if (mutt_istr_equal(line + 1, "eply-to"))
{
mutt_addrlist_parse(&env->reply_to, p);
matched = true;
}
else if (mutt_istr_equal(line + 1, "eturn-path"))
{
mutt_addrlist_parse(&env->return_path, p);
matched = true;
}
else if (mutt_istr_equal(line + 1, "eceived"))
{
if (e && !e->received)
{
char *d = strrchr(p, ';');
if (d)
{
d = mutt_str_skip_email_wsp(d + 1);
e->received = mutt_date_parse_date(d, NULL);
}
}
}
break;
case 's':
if (mutt_istr_equal(line + 1, "ubject"))
{
if (!env->subject)
env->subject = mutt_str_dup(p);
matched = true;
}
else if (mutt_istr_equal(line + 1, "ender"))
{
mutt_addrlist_parse(&env->sender, p);
matched = true;
}
else if (mutt_istr_equal(line + 1, "tatus"))
{
if (e)
{
while (*p)
{
switch (*p)
{
case 'O':
{
const bool c_mark_old =
cs_subset_bool(NeoMutt->sub, "mark_old");
e->old = c_mark_old;
break;
}
case 'R':
e->read = true;
break;
case 'r':
e->replied = true;
break;
}
p++;
}
}
matched = true;
}
else if (e && (mutt_istr_equal("upersedes", line + 1) ||
mutt_istr_equal("upercedes", line + 1)))
{
FREE(&env->supersedes);
env->supersedes = mutt_str_dup(p);
}
break;
case 't':
if (mutt_istr_equal(line + 1, "o"))
{
mutt_addrlist_parse(&env->to, p);
matched = true;
}
#ifdef USE_AUTOCRYPT
else if (mutt_istr_equal(line + 1, "utocrypt"))
{
const bool c_autocrypt = cs_subset_bool(NeoMutt->sub, "autocrypt");
if (c_autocrypt)
{
env->autocrypt = parse_autocrypt(env->autocrypt, p);
matched = true;
}
}
else if (mutt_istr_equal(line + 1, "utocrypt-gossip"))
{
const bool c_autocrypt = cs_subset_bool(NeoMutt->sub, "autocrypt");
if (c_autocrypt)
{
env->autocrypt_gossip = parse_autocrypt(env->autocrypt_gossip, p);
matched = true;
}
}
#endif
break;
case 'x':
if (mutt_istr_equal(line + 1, "-status"))
{
if (e)
{
while (*p)
{
switch (*p)
{
case 'A':
e->replied = true;
break;
case 'D':
e->deleted = true;
break;
case 'F':
e->flagged = true;
break;
default:
break;
}
p++;
}
}
matched = true;
}
else if (mutt_istr_equal(line + 1, "-label"))
{
FREE(&env->x_label);
env->x_label = mutt_str_dup(p);
matched = true;
}
#ifdef USE_NNTP
else if (mutt_istr_equal(line + 1, "-comment-to"))
{
if (!env->x_comment_to)
env->x_comment_to = mutt_str_dup(p);
matched = true;