dlg_verifycert.c

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#include "config.h"
#include <stdbool.h>
#include <string.h>
#include "mutt/lib.h"
#include "gui/lib.h"
#include "color/lib.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "ssl.h"

static const struct Mapping VerifyHelp[] = {
  // clang-format off
  { N_("Exit"), OP_EXIT },
  { N_("Help"), OP_HELP },
  { NULL, 0 },
  // clang-format on
};

static int menu_dialog_dokey(struct Menu *menu, int *id)
{
  struct KeyEvent event = mutt_getch(GETCH_IGNORE_MACRO);
 
  if ((event.op == OP_TIMEOUT) || (event.op == OP_ABORT))
  {
    *id = event.op;
    return 0;
  }
 
  struct CertMenuData *mdata = menu->mdata;
  char *p = NULL;
  if ((event.ch != 0) && (p = strchr(mdata->keys, event.ch)))
  {
    *id = OP_MAX + (p - mdata->keys + 1);
    return 0;
  }
 
  if (event.op == OP_NULL)
    mutt_unget_ch(event.ch);
  else
    mutt_unget_op(event.op);
  return -1;
}

static int menu_dialog_translate_op(int op)
{
  switch (op)
  {
    case OP_NEXT_ENTRY:
      return OP_NEXT_LINE;
    case OP_PREV_ENTRY:
      return OP_PREV_LINE;
    case OP_CURRENT_TOP:
      return OP_TOP_PAGE;
    case OP_CURRENT_BOTTOM:
      return OP_BOTTOM_PAGE;
    case OP_CURRENT_MIDDLE:
      return OP_MIDDLE_PAGE;
  }
 
  return op;
}

static int cert_make_entry(struct Menu *menu, int line, int max_cols, struct Buffer *buf)
{
  struct CertMenuData *mdata = menu->mdata;
 
  menu->current = -1; /* hide menubar */
 
  int total_cols = 0;
 
  const char **line_ptr = ARRAY_GET(mdata->carr, line);
  if (line_ptr)
  {
    const int bytes = buf_addstr(buf, *line_ptr);
    total_cols = mutt_strnwidth(buf_string(buf), bytes);
  }
 
  return total_cols;
}

int dlg_certificate(const char *title, struct StringArray *carr, bool allow_always, bool allow_skip)
{
  struct SimpleDialogWindows sdw = simple_dialog_new(MENU_GENERIC, WT_DLG_CERTIFICATE, VerifyHelp);
 
  struct CertMenuData mdata = { carr };
 
  struct Menu *menu = sdw.menu;
  menu->mdata = &mdata;
  menu->mdata_free = NULL; // Menu doesn't own the data
  menu->make_entry = cert_make_entry;
  menu->max = ARRAY_SIZE(carr);
 
  sbar_set_title(sdw.sbar, title);
 
  if (allow_always)
  {
    if (allow_skip)
    {
      mdata.prompt = _("(r)eject, accept (o)nce, (a)ccept always, (s)kip");
      /* L10N: The letters correspond to the choices in the string:
         "(r)eject, accept (o)nce, (a)ccept always, (s)kip"
         This is an interactive certificate confirmation prompt for an SSL connection. */
      mdata.keys = _("roas");
    }
    else
    {
      mdata.prompt = _("(r)eject, accept (o)nce, (a)ccept always");
      /* L10N: The letters correspond to the choices in the string:
         "(r)eject, accept (o)nce, (a)ccept always"
         This is an interactive certificate confirmation prompt for an SSL connection. */
      mdata.keys = _("roa");
    }
  }
  else
  {
    if (allow_skip)
    {
      mdata.prompt = _("(r)eject, accept (o)nce, (s)kip");
      /* L10N: The letters correspond to the choices in the string:
         "(r)eject, accept (o)nce, (s)kip"
         This is an interactive certificate confirmation prompt for an SSL connection. */
      mdata.keys = _("ros");
    }
    else
    {
      mdata.prompt = _("(r)eject, accept (o)nce");
      /* L10N: The letters correspond to the choices in the string:
         "(r)eject, accept (o)nce"
         This is an interactive certificate confirmation prompt for an SSL connection. */
      mdata.keys = _("ro");
    }
  }
  msgwin_set_text(NULL, mdata.prompt, MT_COLOR_PROMPT);
 
  struct MuttWindow *old_focus = window_set_focus(menu->win);
  // ---------------------------------------------------------------------------
  // Event Loop
  int choice = 0;
  int op = OP_NULL;
  do
  {
    window_redraw(NULL);
    msgwin_set_text(NULL, mdata.prompt, MT_COLOR_PROMPT);
 
    // Try to catch dialog keys before ops
    if (menu_dialog_dokey(menu, &op) != 0)
    {
      op = km_dokey(MENU_DIALOG, GETCH_IGNORE_MACRO);
    }
 
    if (op == OP_TIMEOUT)
      continue;
 
    // Convert menubar movement to scrolling
    op = menu_dialog_translate_op(op);
 
    if (op <= OP_MAX)
      mutt_debug(LL_DEBUG1, "Got op %s (%d)\n", opcodes_get_name(op), op);
    else
      mutt_debug(LL_DEBUG1, "Got choice %d\n", op - OP_MAX);
 
    switch (op)
    {
      case OP_ABORT:   // Abort: Ctrl-G
      case OP_QUIT:    // Q)uit
      case OP_MAX + 1: // R)eject
        choice = 1;
        break;
      case OP_MAX + 2: // O)nce
        choice = 2;
        break;
      case OP_MAX + 3: // A)lways / S)kip
        choice = 3;
        break;
      case OP_MAX + 4: // S)kip
        choice = 4;
        break;
 
      case OP_JUMP:
      case OP_JUMP_1:
      case OP_JUMP_2:
      case OP_JUMP_3:
      case OP_JUMP_4:
      case OP_JUMP_5:
      case OP_JUMP_6:
      case OP_JUMP_7:
      case OP_JUMP_8:
      case OP_JUMP_9:
        mutt_error(_("Jumping is not implemented for dialogs"));
        continue;
 
      case OP_SEARCH:
      case OP_SEARCH_NEXT:
      case OP_SEARCH_OPPOSITE:
      case OP_SEARCH_REVERSE:
        mutt_error(_("Search is not implemented for this menu"));
        continue;
    }
 
    (void) menu_function_dispatcher(menu->win, op);
  } while (choice == 0);
  // ---------------------------------------------------------------------------
 
  window_set_focus(old_focus);
  simple_dialog_free(&sdw.dlg);
 
  return choice;
}