auth_anon.c

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#include "config.h"
#include "private.h"
#include "mutt/lib.h"
#include "conn/lib.h"
#include "adata.h"
#include "auth.h"

enum ImapAuthRes imap_auth_anon(struct ImapAccountData *adata, const char *method)
{
  int rc;
 
  if (!(adata->capabilities & IMAP_CAP_AUTH_ANONYMOUS))
    return IMAP_AUTH_UNAVAIL;
 
  if (mutt_account_getuser(&adata->conn->account) < 0)
    return IMAP_AUTH_FAILURE;
 
  if (adata->conn->account.user[0] != '\0')
    return IMAP_AUTH_UNAVAIL;
 
  // L10N: (%s) is the method name, e.g. Anonymous, CRAM-MD5, GSSAPI, SASL
  mutt_message(_("Authenticating (%s)..."), "anonymous");
 
  imap_cmd_start(adata, "AUTHENTICATE ANONYMOUS");
 
  do
  {
    rc = imap_cmd_step(adata);
  } while (rc == IMAP_RES_CONTINUE);
 
  if (rc != IMAP_RES_RESPOND)
  {
    mutt_debug(LL_DEBUG1, "Invalid response from server\n");
    goto bail;
  }
 
  mutt_socket_send(adata->conn, "ZHVtbXkK\r\n"); /* base64 ("dummy") */
 
  do
  {
    rc = imap_cmd_step(adata);
  } while (rc == IMAP_RES_CONTINUE);
 
  if (rc != IMAP_RES_OK)
  {
    mutt_debug(LL_DEBUG1, "Error receiving server response\n");
    goto bail;
  }
 
  if (imap_code(adata->buf))
    return IMAP_AUTH_SUCCESS;
 
bail:
  // L10N: %s is the method name, e.g. Anonymous, CRAM-MD5, GSSAPI, SASL
  mutt_error(_("%s authentication failed"), "anonymous");
  return IMAP_AUTH_FAILURE;
}