functions_smime.c

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#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#include "mutt/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "question/lib.h"
#include "mutt_logging.h"
#include "smime.h"
#include "smime_functions.h"

static int op_quit(struct SmimeData *sd, const struct KeyEvent *event)
{
  sd->done = true;
  return FR_SUCCESS;
}

static int op_generic_select_entry(struct SmimeData *sd, const struct KeyEvent *event)
{
  const int index = menu_get_index(sd->menu);
  struct SmimeKey **pkey = ARRAY_GET(sd->ska, index);
  if (!pkey)
    return FR_NO_ACTION;
 
  if ((*pkey)->trust != 't')
  {
    const char *s = "";
    switch ((*pkey)->trust)
    {
      case 'e':
      case 'i':
      case 'r':
        s = _("ID is expired/disabled/revoked. Do you really want to use the key?");
        break;
      case 'u':
        s = _("ID has undefined validity. Do you really want to use the key?");
        break;
      case 'v':
        s = _("ID is not trusted. Do you really want to use the key?");
        break;
    }
 
    char buf[1024] = { 0 };
    snprintf(buf, sizeof(buf), "%s", s);
 
    if (query_yesorno(buf, MUTT_NO) != MUTT_YES)
    {
      mutt_clear_error();
      return FR_NO_ACTION;
    }
  }
 
  sd->key = *pkey;
  sd->done = true;
  return FR_SUCCESS;
}
 
// -----------------------------------------------------------------------------

static const struct SmimeFunction SmimeFunctions[] = {
  // clang-format off
  { OP_EXIT,                   op_quit },
  { OP_GENERIC_SELECT_ENTRY,   op_generic_select_entry },
  { OP_QUIT,                   op_quit },
  { 0, NULL },
  // clang-format on
};

int smime_function_dispatcher(struct MuttWindow *win, const struct KeyEvent *event)
{
  // The Dispatcher may be called on any Window in the Dialog
  struct MuttWindow *dlg = dialog_find(win);
  if (!event || !dlg || !dlg->wdata)
  {
    dispatcher_flush_on_error(FR_ERROR);
    return FR_ERROR;
  }
 
  const int op = event->op;
  struct Menu *menu = dlg->wdata;
  struct SmimeData *sd = menu->mdata;
  if (!sd)
  {
    dispatcher_flush_on_error(FR_ERROR);
    return FR_ERROR;
  }
 
  int rc = FR_UNKNOWN;
  for (size_t i = 0; SmimeFunctions[i].op != OP_NULL; i++)
  {
    const struct SmimeFunction *fn = &SmimeFunctions[i];
    if (fn->op == op)
    {
      rc = fn->function(sd, event);
      break;
    }
  }
 
  if (rc == FR_UNKNOWN) // Not our function
    return rc;
 
  const char *result = dispatcher_get_retval_name(rc);
  mutt_debug(LL_DEBUG1, "Handled %s (%d) -> %s\n", opcodes_get_name(op), op, NONULL(result));
 
  dispatcher_flush_on_error(rc);
  return rc;
}