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commands.c
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commands.c
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/**
* @file
* Manage where the email is piped to external commands
*
* @authors
* Copyright (C) 1996-2000 Michael R. Elkins <[email protected]>
* Copyright (C) 2000-2004,2006 Thomas Roessler <[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 commands Manage where the email is piped to external commands
*
* Manage where the email is piped to external commands
*/
#include "config.h"
#include <errno.h>
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "mutt/lib.h"
#include "address/lib.h"
#include "config/lib.h"
#include "email/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "mutt.h"
#include "commands.h"
#include "alias.h"
#include "context.h"
#include "copy.h"
#include "format_flags.h"
#include "globals.h"
#include "hdrline.h"
#include "hook.h"
#include "icommands.h"
#include "init.h"
#include "keymap.h"
#include "mutt_commands.h"
#include "mutt_logging.h"
#include "mutt_mailbox.h"
#include "mutt_menu.h"
#include "mutt_parse.h"
#include "muttlib.h"
#include "mx.h"
#include "options.h"
#include "pager.h"
#include "protos.h"
#include "sendlib.h"
#include "sort.h"
#include "ncrypt/lib.h"
#ifdef USE_IMAP
#include "imap/lib.h"
#endif
#ifdef USE_NOTMUCH
#include "notmuch/lib.h"
#endif
#ifdef ENABLE_NLS
#include <libintl.h>
#endif
#ifdef USE_AUTOCRYPT
#include "autocrypt/lib.h"
#endif
/* These Config Variables are only used in commands.c */
unsigned char C_CryptVerifySig; ///< Config: Verify PGP or SMIME signatures
char *C_DisplayFilter; ///< Config: External command to pre-process an email before display
bool C_PipeDecode; ///< Config: Decode the message when piping it
char *C_PipeSep; ///< Config: Separator to add between multiple piped messages
bool C_PipeSplit; ///< Config: Run the pipe command on each message separately
bool C_PrintDecode; ///< Config: Decode message before printing it
bool C_PrintSplit; ///< Config: Print multiple messages separately
bool C_PromptAfter; ///< Config: Pause after running an external pager
static const char *ExtPagerProgress = "all";
/** The folder the user last saved to. Used by ci_save_message() */
static struct Buffer LastSaveFolder = { 0 };
/**
* mutt_commands_cleanup - Clean up commands globals
*/
void mutt_commands_cleanup(void)
{
mutt_buffer_dealloc(&LastSaveFolder);
}
/**
* process_protected_headers - Get the protected header and update the index
* @param e Email to update
*/
static void process_protected_headers(struct Email *e)
{
struct Envelope *prot_headers = NULL;
regmatch_t pmatch[1];
#ifdef USE_AUTOCRYPT
if (!C_CryptProtectedHeadersRead && !C_Autocrypt)
return;
#else
if (!C_CryptProtectedHeadersRead)
return;
#endif
/* Grab protected headers to update in the index */
if (e->security & SEC_SIGN)
{
/* Don't update on a bad signature.
*
* This is a simplification. It's possible the headers are in the
* encrypted part of a nested encrypt/signed. But properly handling that
* case would require more complexity in the decryption handlers, which
* I'm not sure is worth it. */
if (!(e->security & SEC_GOODSIGN))
return;
if (mutt_is_multipart_signed(e->content) && e->content->parts)
{
prot_headers = e->content->parts->mime_headers;
}
else if (((WithCrypto & APPLICATION_SMIME) != 0) && mutt_is_application_smime(e->content))
{
prot_headers = e->content->mime_headers;
}
}
if (!prot_headers && (e->security & SEC_ENCRYPT))
{
if (((WithCrypto & APPLICATION_PGP) != 0) &&
(mutt_is_valid_multipart_pgp_encrypted(e->content) ||
mutt_is_malformed_multipart_pgp_encrypted(e->content)))
{
prot_headers = e->content->mime_headers;
}
else if (((WithCrypto & APPLICATION_SMIME) != 0) && mutt_is_application_smime(e->content))
{
prot_headers = e->content->mime_headers;
}
}
/* Update protected headers in the index and header cache. */
if (C_CryptProtectedHeadersRead && prot_headers && prot_headers->subject &&
mutt_str_strcmp(e->env->subject, prot_headers->subject))
{
if (Context->mailbox->subj_hash && e->env->real_subj)
mutt_hash_delete(Context->mailbox->subj_hash, e->env->real_subj, e);
mutt_str_replace(&e->env->subject, prot_headers->subject);
FREE(&e->env->disp_subj);
if (mutt_regex_capture(C_ReplyRegex, e->env->subject, 1, pmatch))
e->env->real_subj = e->env->subject + pmatch[0].rm_eo;
else
e->env->real_subj = e->env->subject;
if (Context->mailbox->subj_hash)
mutt_hash_insert(Context->mailbox->subj_hash, e->env->real_subj, e);
mx_save_hcache(Context->mailbox, e);
/* Also persist back to the message headers if this is set */
if (C_CryptProtectedHeadersSave)
{
e->env->changed |= MUTT_ENV_CHANGED_SUBJECT;
e->changed = true;
Context->mailbox->changed = true;
}
}
#ifdef USE_AUTOCRYPT
if (C_Autocrypt && (e->security & SEC_ENCRYPT) && prot_headers && prot_headers->autocrypt_gossip)
{
mutt_autocrypt_process_gossip_header(e, prot_headers);
}
#endif
}
/**
* mutt_display_message - Display a message in the pager
* @param win_index Index Window
* @param win_ibar Index Bar Window
* @param win_pager Pager Window
* @param win_pbar Pager Bar Window
* @param m Mailbox
* @param e Email to display
* @retval 0 Success
* @retval -1 Error
*/
int mutt_display_message(struct MuttWindow *win_index, struct MuttWindow *win_ibar,
struct MuttWindow *win_pager, struct MuttWindow *win_pbar,
struct Mailbox *m, struct Email *e)
{
int rc = 0;
bool builtin = false;
CopyMessageFlags cmflags = MUTT_CM_DECODE | MUTT_CM_DISPLAY | MUTT_CM_CHARCONV;
CopyHeaderFlags chflags;
pid_t filterpid = -1;
struct Buffer *tempfile = NULL;
int res;
mutt_parse_mime_message(m, e);
mutt_message_hook(m, e, MUTT_MESSAGE_HOOK);
char columns[16];
// win_pager might not be visible and have a size yet, so use win_index
snprintf(columns, sizeof(columns), "%d", win_index->state.cols);
mutt_envlist_set("COLUMNS", columns, true);
/* see if crypto is needed for this message. if so, we should exit curses */
if ((WithCrypto != 0) && e->security)
{
if (e->security & SEC_ENCRYPT)
{
if (e->security & APPLICATION_SMIME)
crypt_smime_getkeys(e->env);
if (!crypt_valid_passphrase(e->security))
goto cleanup;
cmflags |= MUTT_CM_VERIFY;
}
else if (e->security & SEC_SIGN)
{
/* find out whether or not the verify signature */
/* L10N: Used for the $crypt_verify_sig prompt */
if (query_quadoption(C_CryptVerifySig, _("Verify signature?")) == MUTT_YES)
{
cmflags |= MUTT_CM_VERIFY;
}
}
}
if (cmflags & MUTT_CM_VERIFY || e->security & SEC_ENCRYPT)
{
if (e->security & APPLICATION_PGP)
{
if (!TAILQ_EMPTY(&e->env->from))
crypt_pgp_invoke_getkeys(TAILQ_FIRST(&e->env->from));
crypt_invoke_message(APPLICATION_PGP);
}
if (e->security & APPLICATION_SMIME)
crypt_invoke_message(APPLICATION_SMIME);
}
FILE *fp_filter_out = NULL;
tempfile = mutt_buffer_pool_get();
mutt_buffer_mktemp(tempfile);
FILE *fp_out = mutt_file_fopen(mutt_b2s(tempfile), "w");
if (!fp_out)
{
mutt_error(_("Could not create temporary file"));
goto cleanup;
}
if (C_DisplayFilter)
{
fp_filter_out = fp_out;
fp_out = NULL;
filterpid = filter_create_fd(C_DisplayFilter, &fp_out, NULL, NULL, -1,
fileno(fp_filter_out), -1);
if (filterpid < 0)
{
mutt_error(_("Can't create display filter"));
mutt_file_fclose(&fp_filter_out);
unlink(mutt_b2s(tempfile));
goto cleanup;
}
}
if (!C_Pager || (mutt_str_strcmp(C_Pager, "builtin") == 0))
builtin = true;
else
{
char buf[1024];
struct HdrFormatInfo hfi;
hfi.ctx = Context;
hfi.mailbox = m;
hfi.pager_progress = ExtPagerProgress;
hfi.email = e;
mutt_make_string_info(buf, sizeof(buf), win_index->state.cols,
NONULL(C_PagerFormat), &hfi, MUTT_FORMAT_NO_FLAGS);
fputs(buf, fp_out);
fputs("\n\n", fp_out);
}
chflags = (C_Weed ? (CH_WEED | CH_REORDER) : CH_NO_FLAGS) | CH_DECODE | CH_FROM | CH_DISPLAY;
#ifdef USE_NOTMUCH
if (m->type == MUTT_NOTMUCH)
chflags |= CH_VIRTUAL;
#endif
res = mutt_copy_message(fp_out, m, e, cmflags, chflags, win_index->state.cols);
if (((mutt_file_fclose(&fp_out) != 0) && (errno != EPIPE)) || (res < 0))
{
mutt_error(_("Could not copy message"));
if (fp_filter_out)
{
filter_wait(filterpid);
mutt_file_fclose(&fp_filter_out);
}
mutt_file_unlink(mutt_b2s(tempfile));
goto cleanup;
}
if (fp_filter_out && (filter_wait(filterpid) != 0))
mutt_any_key_to_continue(NULL);
mutt_file_fclose(&fp_filter_out); /* XXX - check result? */
if (WithCrypto)
{
/* update crypto information for this message */
e->security &= ~(SEC_GOODSIGN | SEC_BADSIGN);
e->security |= crypt_query(e->content);
/* Remove color cache for this message, in case there
* are color patterns for both ~g and ~V */
e->pair = 0;
/* Process protected headers and autocrypt gossip headers */
process_protected_headers(e);
}
if (builtin)
{
if ((WithCrypto != 0) && (e->security & APPLICATION_SMIME) && (cmflags & MUTT_CM_VERIFY))
{
if (e->security & SEC_GOODSIGN)
{
if (crypt_smime_verify_sender(m, e) == 0)
mutt_message(_("S/MIME signature successfully verified"));
else
mutt_error(_("S/MIME certificate owner does not match sender"));
}
else if (e->security & SEC_PARTSIGN)
mutt_message(_("Warning: Part of this message has not been signed"));
else if (e->security & SEC_SIGN || e->security & SEC_BADSIGN)
mutt_error(_("S/MIME signature could NOT be verified"));
}
if ((WithCrypto != 0) && (e->security & APPLICATION_PGP) && (cmflags & MUTT_CM_VERIFY))
{
if (e->security & SEC_GOODSIGN)
mutt_message(_("PGP signature successfully verified"));
else if (e->security & SEC_PARTSIGN)
mutt_message(_("Warning: Part of this message has not been signed"));
else if (e->security & SEC_SIGN)
mutt_message(_("PGP signature could NOT be verified"));
}
struct Pager info = { 0 };
/* Invoke the builtin pager */
info.email = e;
info.ctx = Context;
info.win_ibar = win_ibar;
info.win_index = win_index;
info.win_pbar = win_pbar;
info.win_pager = win_pager;
rc = mutt_pager(NULL, mutt_b2s(tempfile), MUTT_PAGER_MESSAGE, &info);
}
else
{
mutt_endwin();
struct Buffer *cmd = mutt_buffer_pool_get();
mutt_buffer_printf(cmd, "%s %s", NONULL(C_Pager), mutt_b2s(tempfile));
int r = mutt_system(mutt_b2s(cmd));
if (r == -1)
mutt_error(_("Error running \"%s\""), mutt_b2s(cmd));
unlink(mutt_b2s(tempfile));
mutt_buffer_pool_release(&cmd);
if (!OptNoCurses)
keypad(stdscr, true);
if (r != -1)
mutt_set_flag(m, e, MUTT_READ, true);
if ((r != -1) && C_PromptAfter)
{
mutt_unget_event(mutt_any_key_to_continue(_("Command: ")), 0);
rc = km_dokey(MENU_PAGER);
}
else
rc = 0;
}
cleanup:
mutt_envlist_unset("COLUMNS");
mutt_buffer_pool_release(&tempfile);
return rc;
}
/**
* ci_bounce_message - Bounce an email
* @param m Mailbox
* @param el List of Emails to bounce
*/
void ci_bounce_message(struct Mailbox *m, struct EmailList *el)
{
if (!m || !el || STAILQ_EMPTY(el))
return;
char prompt[8193];
char scratch[8192];
char buf[8192] = { 0 };
struct AddressList al = TAILQ_HEAD_INITIALIZER(al);
char *err = NULL;
int rc;
int msg_count = 0;
struct EmailNode *en = NULL;
STAILQ_FOREACH(en, el, entries)
{
/* RFC5322 mandates a From: header,
* so warn before bouncing messages without one */
if (!TAILQ_EMPTY(&en->email->env->from))
mutt_error(_("Warning: message contains no From: header"));
msg_count++;
}
if (msg_count == 1)
mutt_str_strfcpy(prompt, _("Bounce message to: "), sizeof(prompt));
else
mutt_str_strfcpy(prompt, _("Bounce tagged messages to: "), sizeof(prompt));
rc = mutt_get_field(prompt, buf, sizeof(buf), MUTT_ALIAS);
if (rc || !buf[0])
return;
mutt_addrlist_parse2(&al, buf);
if (TAILQ_EMPTY(&al))
{
mutt_error(_("Error parsing address"));
return;
}
mutt_expand_aliases(&al);
if (mutt_addrlist_to_intl(&al, &err) < 0)
{
mutt_error(_("Bad IDN: '%s'"), err);
FREE(&err);
mutt_addrlist_clear(&al);
return;
}
buf[0] = '\0';
mutt_addrlist_write(&al, buf, sizeof(buf), true);
#define EXTRA_SPACE (15 + 7 + 2)
snprintf(scratch, sizeof(scratch),
ngettext("Bounce message to %s?", "Bounce messages to %s?", msg_count), buf);
if (mutt_strwidth(scratch) > MuttMessageWindow->state.cols - EXTRA_SPACE)
{
mutt_simple_format(prompt, sizeof(prompt), 0, MuttMessageWindow->state.cols - EXTRA_SPACE,
JUSTIFY_LEFT, 0, scratch, sizeof(scratch), false);
mutt_str_strcat(prompt, sizeof(prompt), "...?");
}
else
snprintf(prompt, sizeof(prompt), "%s", scratch);
if (query_quadoption(C_Bounce, prompt) != MUTT_YES)
{
mutt_addrlist_clear(&al);
mutt_window_clearline(MuttMessageWindow, 0);
mutt_message(ngettext("Message not bounced", "Messages not bounced", msg_count));
return;
}
mutt_window_clearline(MuttMessageWindow, 0);
struct Message *msg = NULL;
STAILQ_FOREACH(en, el, entries)
{
msg = mx_msg_open(m, en->email->msgno);
if (!msg)
{
rc = -1;
break;
}
rc = mutt_bounce_message(msg->fp, en->email, &al);
mx_msg_close(m, &msg);
if (rc < 0)
break;
}
mutt_addrlist_clear(&al);
/* If no error, or background, display message. */
if ((rc == 0) || (rc == S_BKG))
mutt_message(ngettext("Message bounced", "Messages bounced", msg_count));
}
/**
* pipe_set_flags - Generate flags for copy header/message
* @param[in] decode If true decode the message
* @param[in] print If true, mark the message for printing
* @param[out] cmflags Flags, see #CopyMessageFlags
* @param[out] chflags Flags, see #CopyHeaderFlags
*/
static void pipe_set_flags(bool decode, bool print, CopyMessageFlags *cmflags,
CopyHeaderFlags *chflags)
{
if (decode)
{
*chflags |= CH_DECODE | CH_REORDER;
*cmflags |= MUTT_CM_DECODE | MUTT_CM_CHARCONV;
if (C_Weed)
{
*chflags |= CH_WEED;
*cmflags |= MUTT_CM_WEED;
}
/* Just as with copy-decode, we need to update the mime fields to avoid
* confusing programs that may process the email. However, we don't want
* to force those fields to appear in printouts. */
if (!print)
*chflags |= CH_MIME | CH_TXTPLAIN;
}
if (print)
*cmflags |= MUTT_CM_PRINTING;
}
/**
* pipe_msg - Pipe a message
* @param m Mailbox
* @param e Email to pipe
* @param fp File to write to
* @param decode If true, decode the message
* @param print If true, message is for printing
*/
static void pipe_msg(struct Mailbox *m, struct Email *e, FILE *fp, bool decode, bool print)
{
CopyMessageFlags cmflags = MUTT_CM_NO_FLAGS;
CopyHeaderFlags chflags = CH_FROM;
pipe_set_flags(decode, print, &cmflags, &chflags);
if ((WithCrypto != 0) && decode && e->security & SEC_ENCRYPT)
{
if (!crypt_valid_passphrase(e->security))
return;
endwin();
}
if (decode)
mutt_parse_mime_message(m, e);
mutt_copy_message(fp, m, e, cmflags, chflags, 0);
}
/**
* pipe_message - Pipe message to a command
* @param m Mailbox
* @param el List of Emails to pipe
* @param cmd Command to pipe to
* @param decode Should the message be decrypted
* @param print True if this is a print job
* @param split Should a separator be sent between messages?
* @param sep Separator string
* @retval 0 Success
* @retval 1 Error
*
* The following code is shared between printing and piping.
*/
static int pipe_message(struct Mailbox *m, struct EmailList *el, const char *cmd,
bool decode, bool print, bool split, const char *sep)
{
if (!m || !el)
return 1;
struct EmailNode *en = STAILQ_FIRST(el);
if (!en)
return 1;
int rc = 0;
pid_t pid;
FILE *fp_out = NULL;
if (!STAILQ_NEXT(en, entries))
{
/* handle a single message */
mutt_message_hook(m, en->email, MUTT_MESSAGE_HOOK);
if ((WithCrypto != 0) && decode)
{
mutt_parse_mime_message(m, en->email);
if ((en->email->security & SEC_ENCRYPT) &&
!crypt_valid_passphrase(en->email->security))
{
return 1;
}
}
mutt_endwin();
pid = filter_create(cmd, &fp_out, NULL, NULL);
if (pid < 0)
{
mutt_perror(_("Can't create filter process"));
return 1;
}
OptKeepQuiet = true;
pipe_msg(m, en->email, fp_out, decode, print);
mutt_file_fclose(&fp_out);
rc = filter_wait(pid);
OptKeepQuiet = false;
}
else
{
/* handle tagged messages */
if ((WithCrypto != 0) && decode)
{
STAILQ_FOREACH(en, el, entries)
{
mutt_message_hook(m, en->email, MUTT_MESSAGE_HOOK);
mutt_parse_mime_message(m, en->email);
if ((en->email->security & SEC_ENCRYPT) &&
!crypt_valid_passphrase(en->email->security))
{
return 1;
}
}
}
if (split)
{
STAILQ_FOREACH(en, el, entries)
{
mutt_message_hook(m, en->email, MUTT_MESSAGE_HOOK);
mutt_endwin();
pid = filter_create(cmd, &fp_out, NULL, NULL);
if (pid < 0)
{
mutt_perror(_("Can't create filter process"));
return 1;
}
OptKeepQuiet = true;
pipe_msg(m, en->email, fp_out, decode, print);
/* add the message separator */
if (sep)
fputs(sep, fp_out);
mutt_file_fclose(&fp_out);
if (filter_wait(pid) != 0)
rc = 1;
OptKeepQuiet = false;
}
}
else
{
mutt_endwin();
pid = filter_create(cmd, &fp_out, NULL, NULL);
if (pid < 0)
{
mutt_perror(_("Can't create filter process"));
return 1;
}
OptKeepQuiet = true;
STAILQ_FOREACH(en, el, entries)
{
mutt_message_hook(m, en->email, MUTT_MESSAGE_HOOK);
pipe_msg(m, en->email, fp_out, decode, print);
/* add the message separator */
if (sep)
fputs(sep, fp_out);
}
mutt_file_fclose(&fp_out);
if (filter_wait(pid) != 0)
rc = 1;
OptKeepQuiet = false;
}
}
if ((rc != 0) || C_WaitKey)
mutt_any_key_to_continue(NULL);
return rc;
}
/**
* mutt_pipe_message - Pipe a message
* @param m Mailbox
* @param el List of Emails to pipe
*/
void mutt_pipe_message(struct Mailbox *m, struct EmailList *el)
{
if (!m || !el)
return;
struct Buffer *buf = mutt_buffer_pool_get();
if (mutt_buffer_get_field(_("Pipe to command: "), buf, MUTT_CMD) != 0)
goto cleanup;
if (mutt_buffer_len(buf) == 0)
goto cleanup;
mutt_buffer_expand_path(buf);
pipe_message(m, el, mutt_b2s(buf), C_PipeDecode, false, C_PipeSplit, C_PipeSep);
cleanup:
mutt_buffer_pool_release(&buf);
}
/**
* mutt_print_message - Print a message
* @param m Mailbox
* @param el List of Emails to print
*/
void mutt_print_message(struct Mailbox *m, struct EmailList *el)
{
if (!m || !el)
return;
if (C_Print && !C_PrintCommand)
{
mutt_message(_("No printing command has been defined"));
return;
}
int msg_count = 0;
struct EmailNode *en = NULL;
STAILQ_FOREACH(en, el, entries)
{
msg_count++;
}
if (query_quadoption(C_Print, (msg_count == 1) ?
_("Print message?") :
_("Print tagged messages?")) != MUTT_YES)
{
return;
}
if (pipe_message(m, el, C_PrintCommand, C_PrintDecode, true, C_PrintSplit, "\f") == 0)
mutt_message(ngettext("Message printed", "Messages printed", msg_count));
else
{
mutt_message(ngettext("Message could not be printed",
"Messages could not be printed", msg_count));
}
}
/**
* mutt_select_sort - Ask the user for a sort method
* @param reverse If true make it a reverse sort
* @retval num Sort type, see #SortType
*/
int mutt_select_sort(bool reverse)
{
enum SortType method = C_Sort; /* save the current method in case of abort */
enum SortType new_sort = C_Sort;
switch (mutt_multi_choice(reverse ?
/* L10N: The highlighted letters must match the "Sort" options */
_("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/(l)abel?") :
/* L10N: The highlighted letters must match the "Rev-Sort" options */
_("Sort "
"(d)ate/(f)rm/(r)ecv/(s)ubj/t(o)/(t)hread/"
"(u)nsort/si(z)e/s(c)ore/s(p)am/(l)abel?"),
/* L10N: These must match the highlighted letters from "Sort" and "Rev-Sort" */
_("dfrsotuzcpl")))
{
case -1: /* abort - don't resort */
return -1;
case 1: /* (d)ate */
new_sort = SORT_DATE;
break;
case 2: /* (f)rm */
new_sort = SORT_FROM;
break;
case 3: /* (r)ecv */
new_sort = SORT_RECEIVED;
break;
case 4: /* (s)ubj */
new_sort = SORT_SUBJECT;
break;
case 5: /* t(o) */
new_sort = SORT_TO;
break;
case 6: /* (t)hread */
new_sort = SORT_THREADS;
break;
case 7: /* (u)nsort */
new_sort = SORT_ORDER;
break;
case 8: /* si(z)e */
new_sort = SORT_SIZE;
break;
case 9: /* s(c)ore */
new_sort = SORT_SCORE;
break;
case 10: /* s(p)am */
new_sort = SORT_SPAM;
break;
case 11: /* (l)abel */
new_sort = SORT_LABEL;
break;
}
if (reverse)
new_sort |= SORT_REVERSE;
cs_subset_str_native_set(NeoMutt->sub, "sort", new_sort, NULL);
return (C_Sort != method) ? 0 : -1; /* no need to resort if it's the same */
}
/**
* mutt_shell_escape - invoke a command in a subshell
*/
void mutt_shell_escape(void)
{
char buf[1024];
buf[0] = '\0';
if (mutt_get_field(_("Shell command: "), buf, sizeof(buf), MUTT_CMD) != 0)
return;
if ((buf[0] == '\0') && C_Shell)
mutt_str_strfcpy(buf, C_Shell, sizeof(buf));
if (buf[0] == '\0')
return;
mutt_window_clearline(MuttMessageWindow, 0);
mutt_endwin();
fflush(stdout);
int rc = mutt_system(buf);
if (rc == -1)
mutt_debug(LL_DEBUG1, "Error running \"%s\"", buf);
if ((rc != 0) || C_WaitKey)
mutt_any_key_to_continue(NULL);
mutt_mailbox_check(Context->mailbox, MUTT_MAILBOX_CHECK_FORCE);
}
/**
* mutt_enter_command - enter a neomutt command
*/
void mutt_enter_command(void)
{
char buf[1024] = { 0 };
/* if enter is pressed after : with no command, just return */
if ((mutt_get_field(":", buf, sizeof(buf), MUTT_COMMAND) != 0) || !buf[0])
return;
struct Buffer err = mutt_buffer_make(256);
/* check if buf is a valid icommand, else fall back quietly to parse_rc_lines */
enum CommandResult rc = mutt_parse_icommand(buf, &err);
if (!mutt_buffer_is_empty(&err))
{
/* 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 (rc == MUTT_CMD_ERROR)
mutt_error("%s", err.data);
else
mutt_warning("%s", err.data);
}
else if (rc != MUTT_CMD_SUCCESS)
{
rc = mutt_parse_rc_line(buf, &err);
if (!mutt_buffer_is_empty(&err))
{
if (rc == MUTT_CMD_SUCCESS) /* command succeeded with message */
mutt_message("%s", err.data);
else if (rc == MUTT_CMD_ERROR)
mutt_error("%s", err.data);
else if (rc == MUTT_CMD_WARNING)
mutt_warning("%s", err.data);
}
}
/* else successful command */
mutt_buffer_dealloc(&err);
}
/**
* mutt_display_address - Display the address of a message
* @param env Envelope containing address
*/
void mutt_display_address(struct Envelope *env)
{
const char *pfx = NULL;
char buf[128];
struct AddressList *al = mutt_get_address(env, &pfx);
if (!al)
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';
mutt_addrlist_write(al, buf, sizeof(buf), false);
mutt_message("%s: %s", pfx, buf);
}
/**
* set_copy_flags - Set the flags for a message copy
* @param[in] e Email
* @param[in] decode If true, decode the message
* @param[in] decrypt If true, decrypt the message
* @param[out] cmflags Flags, see #CopyMessageFlags
* @param[out] chflags Flags, see #CopyHeaderFlags
*/
static void set_copy_flags(struct Email *e, bool decode, bool decrypt,
CopyMessageFlags *cmflags, CopyHeaderFlags *chflags)
{
*cmflags = MUTT_CM_NO_FLAGS;
*chflags = CH_UPDATE_LEN;
if ((WithCrypto != 0) && !decode && decrypt && (e->security & SEC_ENCRYPT))
{
if (((WithCrypto & APPLICATION_PGP) != 0) && mutt_is_multipart_encrypted(e->content))
{
*chflags = CH_NONEWLINE | CH_XMIT | CH_MIME;
*cmflags = MUTT_CM_DECODE_PGP;
}
else if (((WithCrypto & APPLICATION_PGP) != 0) &&
mutt_is_application_pgp(e->content) & SEC_ENCRYPT)
{
decode = 1;
}
else if (((WithCrypto & APPLICATION_SMIME) != 0) &&
mutt_is_application_smime(e->content) & SEC_ENCRYPT)
{
*chflags = CH_NONEWLINE | CH_XMIT | CH_MIME;
*cmflags = MUTT_CM_DECODE_SMIME;
}
}
if (decode)
{
*chflags = CH_XMIT | CH_MIME | CH_TXTPLAIN;
*cmflags = MUTT_CM_DECODE | MUTT_CM_CHARCONV;
if (!decrypt) /* If decode doesn't kick in for decrypt, */
{
*chflags |= CH_DECODE; /* then decode RFC2047 headers, */
if (C_Weed)
{
*chflags |= CH_WEED; /* and respect $weed. */
*cmflags |= MUTT_CM_WEED;
}
}
}
}
/**
* mutt_save_message_ctx - Save a message to a given mailbox
* @param e Email
* @param delete_original If true, delete the original
* @param decode If true, decode the message
* @param decrypt If true, decrypt the message
* @param m Mailbox to save to
* @retval 0 Success
* @retval -1 Error
*/
int mutt_save_message_ctx(struct Email *e, bool delete_original, bool decode,
bool decrypt, struct Mailbox *m)
{
CopyMessageFlags cmflags = MUTT_CM_NO_FLAGS;
CopyHeaderFlags chflags = CH_NO_FLAGS;