dlg_smime.c

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#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#include "private.h"
#include "mutt/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "lib.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "mutt_logging.h"
#include "smime.h"
#include "smime_functions.h"
 
static const struct Mapping SmimeHelp[] = {
  // clang-format off
  { N_("Exit"),   OP_EXIT },
  { N_("Select"), OP_GENERIC_SELECT_ENTRY },
  { N_("Help"),   OP_HELP },
  { NULL, 0 },
  // clang-format on
};
 
static char *smime_key_flags(KeyFlags flags)
{
  static char buf[3];
 
  if (!(flags & KEYFLAG_CANENCRYPT))
    buf[0] = '-';
  else
    buf[0] = 'e';
 
  if (!(flags & KEYFLAG_CANSIGN))
    buf[1] = '-';
  else
    buf[1] = 's';
 
  buf[2] = '\0';
 
  return buf;
}
 
static int smime_make_entry(struct Menu *menu, int line, int max_cols, struct Buffer *buf)
{
  struct SmimeKey **table = menu->mdata;
  struct SmimeKey *key = table[line];
  char *truststate = NULL;
  switch (key->trust)
  {
    case 'e':
      /* L10N: Describes the trust state of a S/MIME key.
         This translation must be padded with spaces to the right such that it
         has the same length as the other translations.
         The translation strings which need to be padded are:
         Expired, Invalid, Revoked, Trusted, Unverified, Verified, and Unknown.  */
      truststate = _("Expired   ");
      break;
    case 'i':
      /* L10N: Describes the trust state of a S/MIME key.
         This translation must be padded with spaces to the right such that it
         has the same length as the other translations.
         The translation strings which need to be padded are:
         Expired, Invalid, Revoked, Trusted, Unverified, Verified, and Unknown.  */
      truststate = _("Invalid   ");
      break;
    case 'r':
      /* L10N: Describes the trust state of a S/MIME key.
         This translation must be padded with spaces to the right such that it
         has the same length as the other translations.
         The translation strings which need to be padded are:
         Expired, Invalid, Revoked, Trusted, Unverified, Verified, and Unknown.  */
      truststate = _("Revoked   ");
      break;
    case 't':
      /* L10N: Describes the trust state of a S/MIME key.
         This translation must be padded with spaces to the right such that it
         has the same length as the other translations.
         The translation strings which need to be padded are:
         Expired, Invalid, Revoked, Trusted, Unverified, Verified, and Unknown.  */
      truststate = _("Trusted   ");
      break;
    case 'u':
      /* L10N: Describes the trust state of a S/MIME key.
         This translation must be padded with spaces to the right such that it
         has the same length as the other translations.
         The translation strings which need to be padded are:
         Expired, Invalid, Revoked, Trusted, Unverified, Verified, and Unknown.  */
      truststate = _("Unverified");
      break;
    case 'v':
      /* L10N: Describes the trust state of a S/MIME key.
         This translation must be padded with spaces to the right such that it
         has the same length as the other translations.
         The translation strings which need to be padded are:
         Expired, Invalid, Revoked, Trusted, Unverified, Verified, and Unknown.  */
      truststate = _("Verified  ");
      break;
    default:
      /* L10N: Describes the trust state of a S/MIME key.
         This translation must be padded with spaces to the right such that it
         has the same length as the other translations.
         The translation strings which need to be padded are:
         Expired, Invalid, Revoked, Trusted, Unverified, Verified, and Unknown.  */
      truststate = _("Unknown   ");
  }
 
  int bytes = buf_printf(buf, " 0x%s %s %s %-35.35s %s", key->hash,
                         smime_key_flags(key->flags), truststate, key->email, key->label);
  if (bytes < 0)
    bytes = 0;
 
  return mutt_strnwidth(buf_string(buf), bytes);
}
 
static void smime_key_table_free(struct Menu *menu, void **ptr)
{
  FREE(ptr);
}
 
struct SmimeKey *dlg_smime(struct SmimeKey *keys, const char *query)
{
  struct SmimeKey **table = NULL;
  int table_size = 0;
  int table_index = 0;
  struct SmimeKey *key = NULL;
 
  for (table_index = 0, key = keys; key; key = key->next)
  {
    if (table_index == table_size)
    {
      table_size += 5;
      mutt_mem_realloc(&table, sizeof(struct SmimeKey *) * table_size);
    }
 
    table[table_index++] = key;
  }
 
  struct MuttWindow *dlg = simple_dialog_new(MENU_SMIME, WT_DLG_SMIME, SmimeHelp);
 
  struct Menu *menu = dlg->wdata;
  menu->max = table_index;
  menu->make_entry = smime_make_entry;
  menu->mdata = table;
  menu->mdata_free = smime_key_table_free;
  /* sorting keys might be done later - TODO */
 
  struct SmimeData sd = { false, menu, table, NULL };
  dlg->wdata = &sd;
 
  char title[256] = { 0 };
  struct MuttWindow *sbar = window_find_child(dlg, WT_STATUS_BAR);
  snprintf(title, sizeof(title), _("S/MIME certificates matching \"%s\""), query);
  sbar_set_title(sbar, title);
 
  mutt_clear_error();
 
  struct MuttWindow *old_focus = window_set_focus(menu->win);
  // ---------------------------------------------------------------------------
  // Event Loop
  int op = OP_NULL;
  do
  {
    menu_tagging_dispatcher(menu->win, op);
    window_redraw(NULL);
 
    op = km_dokey(MENU_SMIME, GETCH_NO_FLAGS);
    mutt_debug(LL_DEBUG1, "Got op %s (%d)\n", opcodes_get_name(op), op);
    if (op < 0)
      continue;
    if (op == OP_NULL)
    {
      km_error_key(MENU_SMIME);
      continue;
    }
    mutt_clear_error();
 
    int rc = smime_function_dispatcher(dlg, op);
 
    if (rc == FR_UNKNOWN)
      rc = menu_function_dispatcher(menu->win, op);
    if (rc == FR_UNKNOWN)
      rc = global_function_dispatcher(NULL, op);
  } while (!sd.done);
 
  window_set_focus(old_focus);
  simple_dialog_free(&dlg);
  return sd.key;
}