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Diffstat (limited to 'src/pluto/adns.h')
| -rw-r--r-- | src/pluto/adns.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/pluto/adns.h b/src/pluto/adns.h new file mode 100644 index 000000000..00fc4ad07 --- /dev/null +++ b/src/pluto/adns.h @@ -0,0 +1,75 @@ +/* Pluto Asynchronous DNS Helper Program's Header + * Copyright (C) 2002 D. Hugh Redelmeier. + * + * 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. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * 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. + * + * RCSID $Id: adns.h,v 1.1 2004/03/15 20:35:28 as Exp $ + */ + +#ifndef USE_LWRES /* whole file! */ + +/* The interface in RHL6.x and BIND distribution 8.2.2 are different, + * so we build some of our own :-( + */ + +# ifndef NS_MAXDNAME +# define NS_MAXDNAME MAXDNAME /* I hope this is long enough for IPv6 */ +# endif + +# ifndef NS_PACKETSZ +# define NS_PACKETSZ PACKETSZ +# endif + +/* protocol version */ + +#define ADNS_Q_MAGIC (((((('d' << 8) + 'n') << 8) + 's') << 8) + 4) +#define ADNS_A_MAGIC (((((('d' << 8) + 'n') << 8) + 's') << 8) + 128 + 4) + +/* note: both struct adns_query and struct adns_answer must start with + * size_t len; + */ + +struct adns_query { + size_t len; + unsigned int qmagic; + unsigned long serial; + lset_t debugging; /* only used #ifdef DEBUG, but don't want layout to change */ + u_char name_buf[NS_MAXDNAME + 2]; + int type; /* T_KEY or T_TXT */ +}; + +struct adns_answer { + size_t len; + unsigned int amagic; + unsigned long serial; + struct adns_continuation *continuation; + int result; + int h_errno_val; + u_char ans[NS_PACKETSZ * 10]; /* very probably bigger than necessary */ +}; + +enum helper_exit_status { + HES_CONTINUE = -1, /* not an exit */ + HES_OK = 0, /* all's well that ends well (perhaps EOF) */ + HES_INVOCATION, /* improper invocation */ + HES_IO_ERROR_SELECT, /* IO error in select() */ + HES_MALLOC, /* malloc failed */ + HES_IO_ERROR_IN, /* error reading pipe */ + HES_IO_ERROR_OUT, /* error reading pipe */ + HES_PIPE, /* pipe(2) failed */ + HES_SYNC, /* answer from worker doesn't match query */ + HES_FORK, /* fork(2) failed */ + HES_RES_INIT, /* resolver initialization failed */ + HES_BAD_LEN, /* implausible .len field */ + HES_BAD_MAGIC, /* .magic field wrong */ +}; + +#endif /* !USE_LWRES */ |