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Diffstat (limited to 'bin/tests/printmsg.c')
| -rw-r--r-- | bin/tests/printmsg.c | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/bin/tests/printmsg.c b/bin/tests/printmsg.c new file mode 100644 index 0000000..c500e85 --- /dev/null +++ b/bin/tests/printmsg.c @@ -0,0 +1,251 @@ +/* + * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1998-2001 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: printmsg.c,v 1.29 2007/06/19 23:46:59 tbox Exp $ */ + +#include <config.h> + +#include <isc/buffer.h> +#include <isc/util.h> + +#include <dns/name.h> +#include <dns/rdataset.h> + +#include "printmsg.h" + +static const char *opcodetext[] = { + "QUERY", + "IQUERY", + "STATUS", + "RESERVED3", + "NOTIFY", + "UPDATE", + "RESERVED6", + "RESERVED7", + "RESERVED8", + "RESERVED9", + "RESERVED10", + "RESERVED11", + "RESERVED12", + "RESERVED13", + "RESERVED14", + "RESERVED15" +}; + +static const char *rcodetext[] = { + "NOERROR", + "FORMERR", + "SERVFAIL", + "NXDOMAIN", + "NOTIMP", + "REFUSED", + "YXDOMAIN", + "YXRRSET", + "NXRRSET", + "NOTAUTH", + "NOTZONE", + "RESERVED11", + "RESERVED12", + "RESERVED13", + "RESERVED14", + "RESERVED15", + "BADVERS" +}; + +static isc_result_t +printsection(dns_message_t *msg, dns_section_t sectionid, + const char *section_name) +{ + dns_name_t *name, *print_name; + dns_rdataset_t *rdataset; + isc_buffer_t target; + isc_result_t result; + isc_region_t r; + dns_name_t empty_name; + char t[65536]; + isc_boolean_t first; + isc_boolean_t no_rdata; + + if (sectionid == DNS_SECTION_QUESTION) + no_rdata = ISC_TRUE; + else + no_rdata = ISC_FALSE; + + printf(";; %s SECTION:\n", section_name); + + dns_name_init(&empty_name, NULL); + + result = dns_message_firstname(msg, sectionid); + if (result == ISC_R_NOMORE) + return (ISC_R_SUCCESS); + else if (result != ISC_R_SUCCESS) + return (result); + + for (;;) { + name = NULL; + dns_message_currentname(msg, sectionid, &name); + + isc_buffer_init(&target, t, sizeof(t)); + first = ISC_TRUE; + print_name = name; + + for (rdataset = ISC_LIST_HEAD(name->list); + rdataset != NULL; + rdataset = ISC_LIST_NEXT(rdataset, link)) { + result = dns_rdataset_totext(rdataset, + print_name, + ISC_FALSE, + no_rdata, + &target); + if (result != ISC_R_SUCCESS) + return (result); +#ifdef USEINITALWS + if (first) { + print_name = &empty_name; + first = ISC_FALSE; + } +#endif + } + isc_buffer_usedregion(&target, &r); + printf("%.*s", (int)r.length, (char *)r.base); + + result = dns_message_nextname(msg, sectionid); + if (result == ISC_R_NOMORE) + break; + else if (result != ISC_R_SUCCESS) + return (result); + } + + return (ISC_R_SUCCESS); +} + +static isc_result_t +printrdata(dns_message_t *msg, dns_rdataset_t *rdataset, dns_name_t *owner, + const char *set_name) +{ + isc_buffer_t target; + isc_result_t result; + isc_region_t r; + char t[65536]; + + UNUSED(msg); + printf(";; %s SECTION:\n", set_name); + + isc_buffer_init(&target, t, sizeof(t)); + + result = dns_rdataset_totext(rdataset, owner, ISC_FALSE, ISC_FALSE, + &target); + if (result != ISC_R_SUCCESS) + return (result); + isc_buffer_usedregion(&target, &r); + printf("%.*s", (int)r.length, (char *)r.base); + + return (ISC_R_SUCCESS); +} + +isc_result_t +printmessage(dns_message_t *msg) { + isc_boolean_t did_flag = ISC_FALSE; + isc_result_t result; + dns_rdataset_t *opt, *tsig; + dns_name_t *tsigname; + + result = ISC_R_SUCCESS; + + printf(";; ->>HEADER<<- opcode: %s, status: %s, id: %u\n", + opcodetext[msg->opcode], rcodetext[msg->rcode], msg->id); + + printf(";; flags: "); + if ((msg->flags & DNS_MESSAGEFLAG_QR) != 0) { + printf("qr"); + did_flag = ISC_TRUE; + } + if ((msg->flags & DNS_MESSAGEFLAG_AA) != 0) { + printf("%saa", did_flag ? " " : ""); + did_flag = ISC_TRUE; + } + if ((msg->flags & DNS_MESSAGEFLAG_TC) != 0) { + printf("%stc", did_flag ? " " : ""); + did_flag = ISC_TRUE; + } + if ((msg->flags & DNS_MESSAGEFLAG_RD) != 0) { + printf("%srd", did_flag ? " " : ""); + did_flag = ISC_TRUE; + } + if ((msg->flags & DNS_MESSAGEFLAG_RA) != 0) { + printf("%sra", did_flag ? " " : ""); + did_flag = ISC_TRUE; + } + if ((msg->flags & DNS_MESSAGEFLAG_AD) != 0) { + printf("%sad", did_flag ? " " : ""); + did_flag = ISC_TRUE; + } + if ((msg->flags & DNS_MESSAGEFLAG_CD) != 0) { + printf("%scd", did_flag ? " " : ""); + did_flag = ISC_TRUE; + } + printf("; QUERY: %u, ANSWER: %u, AUTHORITY: %u, ADDITIONAL: %u\n", + msg->counts[DNS_SECTION_QUESTION], + msg->counts[DNS_SECTION_ANSWER], + msg->counts[DNS_SECTION_AUTHORITY], + msg->counts[DNS_SECTION_ADDITIONAL]); + opt = dns_message_getopt(msg); + if (opt != NULL) + printf(";; EDNS: version: %u, udp=%u\n", + (unsigned int)((opt->ttl & 0x00ff0000) >> 16), + (unsigned int)opt->rdclass); + + tsigname = NULL; + tsig = dns_message_gettsig(msg, &tsigname); + if (tsig != NULL) + printf(";; PSEUDOSECTIONS: TSIG\n"); + if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_QUESTION])) { + printf("\n"); + result = printsection(msg, DNS_SECTION_QUESTION, "QUESTION"); + if (result != ISC_R_SUCCESS) + return (result); + } + if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_ANSWER])) { + printf("\n"); + result = printsection(msg, DNS_SECTION_ANSWER, "ANSWER"); + if (result != ISC_R_SUCCESS) + return (result); + } + if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_AUTHORITY])) { + printf("\n"); + result = printsection(msg, DNS_SECTION_AUTHORITY, "AUTHORITY"); + if (result != ISC_R_SUCCESS) + return (result); + } + if (! ISC_LIST_EMPTY(msg->sections[DNS_SECTION_ADDITIONAL])) { + printf("\n"); + result = printsection(msg, DNS_SECTION_ADDITIONAL, + "ADDITIONAL"); + if (result != ISC_R_SUCCESS) + return (result); + } + if (tsig != NULL) { + printf("\n"); + result = printrdata(msg, tsig, tsigname, + "PSEUDOSECTION TSIG"); + if (result != ISC_R_SUCCESS) + return (result); + } + printf("\n"); + + return (result); +} |