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author | Marko Kreen <markokr@gmail.com> | 2012-06-15 13:29:03 +0200 |
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committer | Daniel Stenberg <daniel@haxx.se> | 2012-06-15 13:32:48 +0200 |
commit | 979bf951d3436bf7e86e690de26a174b39a081f8 (patch) | |
tree | 1c621aed06a24acef46f3d9eb7151bfd34384254 /ares_parse_soa_reply.3 | |
parent | 38b69b7269d4abbc75f34b8ab38d7bdab4ad91ab (diff) | |
download | c-ares-979bf951d3436bf7e86e690de26a174b39a081f8.tar.gz c-ares-979bf951d3436bf7e86e690de26a174b39a081f8.tar.bz2 c-ares-979bf951d3436bf7e86e690de26a174b39a081f8.zip |
SOA parser added
I need to do SOA queries, so here is a parser for them.
- ares_soa_reply: new struct
- ares_malloc_data/ares_free_soa: ARES_DATATYPE_SOA_REPLY
- ares_parse_soa_reply: actual function
Diffstat (limited to 'ares_parse_soa_reply.3')
-rw-r--r-- | ares_parse_soa_reply.3 | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/ares_parse_soa_reply.3 b/ares_parse_soa_reply.3 new file mode 100644 index 0000000..1c4456f --- /dev/null +++ b/ares_parse_soa_reply.3 @@ -0,0 +1,80 @@ +.\" +.\" Copyright 1998 by the Massachusetts Institute of Technology. +.\" +.\" Permission to use, copy, modify, and distribute this +.\" software and its documentation for any purpose and without +.\" fee is hereby granted, provided that the above copyright +.\" notice appear in all copies and that both that copyright +.\" notice and this permission notice appear in supporting +.\" documentation, and that the name of M.I.T. not be used in +.\" advertising or publicity pertaining to distribution of the +.\" software without specific, written prior permission. +.\" M.I.T. makes no representations about the suitability of +.\" this software for any purpose. It is provided "as is" +.\" without express or implied warranty. +.\" +.TH ARES_PARSE_SOA_REPLY 3 "29 May 2012" +.SH NAME +ares_parse_soa_reply \- Parse a reply to a DNS query of type SOA +.SH SYNOPSIS +.nf +.B #include <ares.h> +.PP +.B int ares_parse_soa_reply(const unsigned char* \fIabuf\fP, int \fIalen\fP, +.B struct ares_soa_reply** \fIsoa_out\fP); +.fi +.SH DESCRIPTION +The +.B ares_parse_soa_reply +function parses the response to a query of type SOA into a +.IR struct\ ares_soa_reply . +The parameters +.I abuf +and +.I alen +give the contents of the response. The result is stored in allocated +memory and a pointer to it stored into the variable pointed to by +.IR soa_out . +It is the caller's responsibility to free the resulting +.IR soa_out +structure when it is no longer needed using the function +.B ares_free_data +.PP +The structure +.I ares_soa_reply +contains the following fields: +.sp +.in +4n +.nf +struct ares_soa_reply { + char *nsname; + char *hostmaster; + unsigned int serial; + unsigned int refresh; + unsigned int retry; + unsigned int expire; + unsigned int minttl; +}; +.fi +.in +.PP +.SH RETURN VALUES +.B ares_parse_soa_reply +can return any of the following values: +.TP 15 +.B ARES_SUCCESS +The response was successfully parsed. +.TP 15 +.B ARES_EBADRESP +The response was malformatted. +.TP 15 +.B ARES_ENODATA +The response did not contain an answer to the query. +.TP 15 +.B ARES_ENOMEM +Memory was exhausted. +.SH AVAILABILITY +This function was first introduced in c-ares version 1.9.0. +.SH SEE ALSO +.BR ares_query (3) +.BR ares_free_data (3) |