mirror of https://github.com/getdnsapi/getdns.git
Copied examples from spec and fixed everything ;)
Well.. fixed the examples so they work and free memory and fixed our code to return correct dict format with "just_address_answers" Now tests are probably broken, and also the example-reverse needs some attention
This commit is contained in:
Willem Toorop
parent
1e9f716b6f
commit
8a8accea42
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@ -969,6 +969,7 @@ getdns_return_t
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getdns_cancel_callback(struct getdns_context *context,
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getdns_transaction_t transaction_id)
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{
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RETURN_IF_NULL(context, GETDNS_RETURN_BAD_CONTEXT);
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return getdns_context_cancel_request(context, transaction_id, 1);
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} /* getdns_cancel_callback */
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@ -716,4 +716,10 @@ getdns_pretty_print_dict(struct getdns_dict *dict)
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return ret;
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} /* getdns_pretty_print_dict */
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getdns_return_t
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getdns_dict_remove_name(struct getdns_dict *this_dict, char *name)
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{
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return GETDNS_RETURN_GENERIC_ERROR;
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}
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/* dict.c */
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@ -19,7 +19,7 @@ CC=gcc
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CFLAGS=@CFLAGS@ -Wall -I$(srcdir)/ -I$(srcdir)/../ -I/usr/local/include -std=c99
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LDFLAGS=@LDFLAGS@ -L. -L.. -L/usr/local/lib
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LDLIBS=-lgetdns @LIBS@
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PROGRAMS=example_simple_answers example_tree example_all_functions example_synchronous
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PROGRAMS=example-all-functions example-simple-answers example-tree example-synchronous example-reverse
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.SUFFIXES: .c .o .a .lo .h
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@ -30,17 +30,20 @@ default: all
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all: $(PROGRAMS)
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example_simple_answers: example_simple_answers.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example_simple_answers.o
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example-all-functions: example-all-functions.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example-all-functions.o
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example_tree: example_tree.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example_tree.o
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example-simple-answers: example-simple-answers.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example-simple-answers.o
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example_all_functions: example_all_functions.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example_all_functions.o
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example-tree: example-tree.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example-tree.o
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example_synchronous: example_synchronous.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example_synchronous.o
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example-synchronous: example-synchronous.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example-synchronous.o
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example-reverse: example-reverse.o
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$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ example-reverse.o
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clean:
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rm -f *.o $(PROGRAMS)
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@ -0,0 +1,339 @@
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#include <stdio.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getdns_libevent.h>
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#define UNUSED_PARAM(x) ((void)(x))
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/* The return values */
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getdns_return_t retregular;
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char * retcharstar;
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/* The args */
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int boolarg;
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char * charstararg;
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getdns_callback_t callbackarg;
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uint16_t regulararg;
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uint16_t *regularptrarg;
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getdns_transaction_t txidarg;
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getdns_transaction_t * txidptrarg;
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getdns_data_type * datatypeptrarg;
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struct getdns_bindata ** bindataptrarg;
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struct getdns_dict * dictarg;
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struct getdns_bindata * bindataarg;
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struct getdns_list * listarg;
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struct getdns_dict ** dictptrarg;
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struct getdns_list ** listptrarg;
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size_t sizetarg;
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size_t * sizetptrarg;
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struct getdns_context *contextarg = NULL;
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uint8_t uint8arg;
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uint16_t uint16arg;
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uint32_t uint32arg;
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uint8_t * uint8ptrarg;
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uint16_t * uint16ptrarg;
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uint32_t * uint32ptrarg;
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void * arrayarg;
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void * userarg;
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void * allocfunctionarg(size_t foo) {UNUSED_PARAM(foo); return NULL; }
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void * reallocfunctionarg(void* foo, size_t bar)
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{UNUSED_PARAM(foo); UNUSED_PARAM(bar); return NULL; }
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void deallocfunctionarg(void* foo) {UNUSED_PARAM(foo);}
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void * extendedallocfunctionarg(void* userarg, size_t foo)
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{UNUSED_PARAM(userarg); UNUSED_PARAM(foo); return NULL; }
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void * extendedreallocfunctionarg(void* userarg, void* foo, size_t bar)
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{UNUSED_PARAM(userarg); UNUSED_PARAM(foo); UNUSED_PARAM(bar); return NULL; }
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void extendeddeallocfunctionarg(void* userarg, void* foo)
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{UNUSED_PARAM(userarg); UNUSED_PARAM(foo);}
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void setcallbackfunctionarg(struct getdns_context *foo1, uint16_t foo2)
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{UNUSED_PARAM(foo1);UNUSED_PARAM(foo2);}
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int main()
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{
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retregular = getdns_general(
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contextarg,
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charstararg,
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uint16arg,
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dictarg,
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arrayarg,
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txidptrarg,
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callbackarg
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);
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retregular = getdns_address(
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contextarg,
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charstararg,
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dictarg,
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arrayarg,
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txidptrarg,
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callbackarg
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);
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retregular = getdns_hostname(
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contextarg,
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dictarg,
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dictarg,
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arrayarg,
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txidptrarg,
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callbackarg
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);
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retregular = getdns_service(
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contextarg,
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charstararg,
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dictarg,
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arrayarg,
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txidptrarg,
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callbackarg
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);
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retregular = getdns_context_create(
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&contextarg,
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boolarg
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);
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retregular = getdns_context_create_with_memory_functions(
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&contextarg,
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boolarg,
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allocfunctionarg,
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reallocfunctionarg,
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deallocfunctionarg
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);
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retregular = getdns_context_create_with_extended_memory_functions(
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&contextarg,
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boolarg,
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userarg,
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extendedallocfunctionarg,
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extendedreallocfunctionarg,
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extendeddeallocfunctionarg
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);
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getdns_context_destroy(
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contextarg
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);
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retregular = getdns_cancel_callback(
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contextarg,
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txidarg
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);
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retregular = getdns_general_sync(
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contextarg,
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charstararg,
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uint16arg,
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dictarg,
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&dictarg
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);
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retregular = getdns_address_sync(
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contextarg,
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charstararg,
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dictarg,
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&dictarg
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);
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retregular = getdns_hostname_sync(
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contextarg,
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dictarg,
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dictarg,
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&dictarg
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);
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retregular = getdns_service_sync(
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contextarg,
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charstararg,
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dictarg,
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&dictarg
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);
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retregular = getdns_list_get_length(listarg, sizetptrarg);
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retregular = getdns_list_get_data_type(listarg, sizetarg, datatypeptrarg);
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retregular = getdns_list_get_dict(listarg, sizetarg, dictptrarg);
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retregular = getdns_list_get_list(listarg, sizetarg, listptrarg);
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retregular = getdns_list_get_bindata(listarg, sizetarg, bindataptrarg);
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retregular = getdns_list_get_int(listarg, sizetarg, uint32ptrarg);
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retregular = getdns_dict_get_names(dictarg, listptrarg);
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retregular = getdns_dict_get_data_type(dictarg, charstararg, datatypeptrarg);
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retregular = getdns_dict_get_dict(dictarg, charstararg, dictptrarg);
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retregular = getdns_dict_get_list(dictarg, charstararg, listptrarg);
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retregular = getdns_dict_get_bindata(dictarg, charstararg, bindataptrarg);
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retregular = getdns_dict_get_int(dictarg, charstararg, uint32ptrarg);
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listarg = getdns_list_create();
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listarg = getdns_list_create_with_context(contextarg);
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listarg = getdns_list_create_with_memory_functions(
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allocfunctionarg,
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reallocfunctionarg,
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deallocfunctionarg
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);
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listarg = getdns_list_create_with_extended_memory_functions(
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userarg,
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extendedallocfunctionarg,
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extendedreallocfunctionarg,
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extendeddeallocfunctionarg
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);
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getdns_list_destroy(listarg);
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retregular = getdns_list_set_dict(listarg, sizetarg, dictarg);
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retregular = getdns_list_set_list(listarg, sizetarg, listarg);
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retregular = getdns_list_set_bindata(listarg, sizetarg, bindataarg);
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retregular = getdns_list_set_int(listarg, sizetarg, uint32arg);
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dictarg = getdns_dict_create();
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dictarg = getdns_dict_create_with_context(contextarg);
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dictarg = getdns_dict_create_with_memory_functions(
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allocfunctionarg,
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reallocfunctionarg,
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deallocfunctionarg
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);
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dictarg = getdns_dict_create_with_extended_memory_functions(
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userarg,
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extendedallocfunctionarg,
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extendedreallocfunctionarg,
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extendeddeallocfunctionarg
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);
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getdns_dict_destroy(dictarg);
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retregular = getdns_dict_set_dict(dictarg, charstararg, dictarg);
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retregular = getdns_dict_set_list(dictarg, charstararg, listarg);
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retregular = getdns_dict_set_bindata(dictarg, charstararg, bindataarg);
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retregular = getdns_dict_set_int(dictarg, charstararg, uint32arg);
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retregular = getdns_dict_remove_name(dictarg, charstararg);
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retcharstar = getdns_convert_fqdn_to_dns_name(
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charstararg
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);
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retcharstar = getdns_convert_dns_name_to_fqdn(
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charstararg
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);
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retcharstar = getdns_convert_ulabel_to_alabel(
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charstararg
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);
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retcharstar = getdns_convert_alabel_to_ulabel(
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charstararg
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);
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retregular = getdns_validate_dnssec(
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bindataarg,
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listarg,
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listarg
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);
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retcharstar = getdns_pretty_print_dict(
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dictarg
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);
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retcharstar = getdns_display_ip_address(
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bindataarg
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);
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retregular = getdns_context_set_context_update_callback(
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contextarg,
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setcallbackfunctionarg
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);
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retregular = getdns_context_set_resolution_type(
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contextarg,
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regulararg
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);
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retregular = getdns_context_set_namespaces(
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contextarg,
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sizetarg,
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regularptrarg
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);
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retregular = getdns_context_set_dns_transport(
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contextarg,
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regulararg
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);
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retregular = getdns_context_set_limit_outstanding_queries(
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contextarg,
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uint16arg
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);
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retregular = getdns_context_set_timeout(
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contextarg,
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uint16arg
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);
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retregular = getdns_context_set_follow_redirects(
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contextarg,
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regulararg
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);
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retregular = getdns_context_set_dns_root_servers(
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contextarg,
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listarg
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);
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retregular = getdns_context_set_append_name(
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contextarg,
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regulararg
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);
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retregular = getdns_context_set_suffix(
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contextarg,
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listarg
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);
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retregular = getdns_context_set_dnssec_trust_anchors(
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contextarg,
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listarg
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);
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retregular = getdns_context_set_dnssec_allowed_skew(
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contextarg,
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uint16arg
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);
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retregular = getdns_context_set_stub_resolution(
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contextarg,
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listarg
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);
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retregular = getdns_context_set_edns_maximum_udp_payload_size(
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contextarg,
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uint16arg
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);
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retregular = getdns_context_set_edns_extended_rcode(
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contextarg,
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uint8arg
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);
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retregular = getdns_context_set_edns_version(
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contextarg,
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uint8arg
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);
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retregular = getdns_context_set_edns_do_bit(
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contextarg,
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uint8arg
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);
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retregular = getdns_context_set_memory_functions(
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contextarg,
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allocfunctionarg,
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reallocfunctionarg,
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deallocfunctionarg
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);
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retregular = getdns_context_set_extended_memory_functions(
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contextarg,
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userarg,
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extendedallocfunctionarg,
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extendedreallocfunctionarg,
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extendeddeallocfunctionarg
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);
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return(0); } /* End of main() */
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@ -0,0 +1,109 @@
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#include <stdio.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <getdns_libevent.h>
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#define UNUSED_PARAM(x) ((void)(x))
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/* Set up the callback function, which will also do the processing of the results */
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void this_callbackfn(struct getdns_context *this_context,
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uint16_t this_callback_type,
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struct getdns_dict *this_response,
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void *this_userarg,
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getdns_transaction_t this_transaction_id)
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{
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UNUSED_PARAM(this_userarg); /* Not looking at the userarg for this example */
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UNUSED_PARAM(this_context); /* Not looking at the context for this example */
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getdns_return_t this_ret; /* Holder for all function returns */
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if (this_callback_type == GETDNS_CALLBACK_COMPLETE) /* This is a callback with data */
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{
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/* Be sure the search returned something */
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uint32_t * this_error = NULL;
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this_ret = getdns_dict_get_int(this_response, "status", this_error); // Ignore any error
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if (*this_error != GETDNS_RESPSTATUS_GOOD) // If the search didn't return "good"
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{
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fprintf(stderr, "The search had no results, and a return value of %d. Exiting.", *this_error);
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return;
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}
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struct getdns_list * just_the_addresses_ptr;
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this_ret = getdns_dict_get_list(this_response, "just_address_answers", &just_the_addresses_ptr);
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if (this_ret != GETDNS_RETURN_GOOD) // This check is really not needed, but prevents a compiler error under "pedantic"
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{
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fprintf(stderr, "Trying to get the answers failed: %d", this_ret);
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return;
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}
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size_t * num_addresses_ptr = NULL;
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this_ret = getdns_list_get_length(just_the_addresses_ptr, num_addresses_ptr); // Ignore any error
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/* Go through each record */
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for ( size_t rec_count = 0; rec_count <= *num_addresses_ptr; ++rec_count )
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{
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struct getdns_dict * this_address;
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this_ret = getdns_list_get_dict(just_the_addresses_ptr, rec_count, &this_address); // Ignore any error
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/* Just print the address */
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struct getdns_bindata * this_address_data;
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this_ret = getdns_dict_get_bindata(this_address, "address_data", &this_address_data); // Ignore any error
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printf("The address is %s", getdns_display_ip_address(this_address_data));
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}
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}
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else if (this_callback_type == GETDNS_CALLBACK_CANCEL)
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fprintf(stderr, "The callback with ID %"PRIu64" was cancelled. Exiting.", this_transaction_id);
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else
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fprintf(stderr, "The callback got a callback_type of %d. Exiting.", this_callback_type);
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}
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int main()
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{
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/* Create the DNS context for this call */
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struct getdns_context *this_context = NULL;
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getdns_return_t context_create_return = getdns_context_create(&this_context, 1);
|
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if (context_create_return != GETDNS_RETURN_GOOD)
|
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{
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fprintf(stderr, "Trying to create the context failed: %d", context_create_return);
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return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
/* Create an event base and put it in the context using the unknown function name */
|
||||
struct event_base *this_event_base;
|
||||
this_event_base = event_base_new();
|
||||
if (this_event_base == NULL)
|
||||
{
|
||||
fprintf(stderr, "Trying to create the event base failed.");
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
(void)getdns_extension_set_libevent_base(this_context, this_event_base);
|
||||
/* Set up the getdns call */
|
||||
struct getdns_dict * this_addr_to_look_up = getdns_dict_create();
|
||||
// TODO: check the return value above
|
||||
struct getdns_bindata this_type = { 5, (void *)"IPv4" };
|
||||
getdns_return_t this_ret = getdns_dict_set_bindata(this_addr_to_look_up, "address_type", &this_type);
|
||||
UNUSED_PARAM(this_ret);
|
||||
struct getdns_bindata this_ipv4_addr = { 4, (void *)"\x08\x08\x08\x08" };
|
||||
this_ret = getdns_dict_set_bindata(this_addr_to_look_up, "address_data", &this_ipv4_addr);
|
||||
char* this_userarg = "somestring"; // Could add things here to help identify this call
|
||||
getdns_transaction_t this_transaction_id = 0;
|
||||
|
||||
/* Make the call */
|
||||
getdns_return_t dns_request_return = getdns_hostname(this_context, this_addr_to_look_up,
|
||||
NULL, this_userarg, &this_transaction_id, this_callbackfn);
|
||||
if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME)
|
||||
{
|
||||
char *ip_address_str = getdns_display_ip_address(&this_ipv4_addr);
|
||||
|
||||
fprintf(stderr, "A bad IP address was used: %s. Exiting.\n", ip_address_str);
|
||||
free(ip_address_str);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Call the event loop */
|
||||
int dispatch_return = event_base_dispatch(this_event_base);
|
||||
UNUSED_PARAM(dispatch_return);
|
||||
// TODO: check the return value above
|
||||
}
|
||||
/* Clean up */
|
||||
getdns_dict_destroy(this_addr_to_look_up);
|
||||
getdns_context_destroy(this_context);
|
||||
/* Assuming we get here, leave gracefully */
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
|
@ -0,0 +1,108 @@
|
|||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include <getdns_libevent.h>
|
||||
|
||||
#define UNUSED_PARAM(x) ((void)(x))
|
||||
|
||||
/* Set up the callback function, which will also do the processing of the results */
|
||||
void this_callbackfn(struct getdns_context *this_context,
|
||||
uint16_t this_callback_type,
|
||||
struct getdns_dict *this_response,
|
||||
void *this_userarg,
|
||||
getdns_transaction_t this_transaction_id)
|
||||
{
|
||||
UNUSED_PARAM(this_userarg); /* Not looking at the userarg for this example */
|
||||
UNUSED_PARAM(this_context); /* Not looking at the context for this example */
|
||||
getdns_return_t this_ret; /* Holder for all function returns */
|
||||
if (this_callback_type == GETDNS_CALLBACK_COMPLETE) /* This is a callback with data */
|
||||
{
|
||||
/* Be sure the search returned something */
|
||||
uint32_t this_error;
|
||||
this_ret = getdns_dict_get_int(this_response, "status", &this_error); // Ignore any error
|
||||
if (this_error != GETDNS_RESPSTATUS_GOOD) // If the search didn't return "good"
|
||||
{
|
||||
fprintf(stderr, "The search had no results, and a return value of %d. Exiting.\n", this_error);
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
struct getdns_list * just_the_addresses_ptr;
|
||||
this_ret = getdns_dict_get_list(this_response, "just_address_answers", &just_the_addresses_ptr);
|
||||
if (this_ret != GETDNS_RETURN_GOOD) // This check is really not needed, but prevents a compiler error under "pedantic"
|
||||
{
|
||||
fprintf(stderr, "Trying to get the answers failed: %d\n", this_ret);
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
size_t num_addresses;
|
||||
this_ret = getdns_list_get_length(just_the_addresses_ptr, &num_addresses); // Ignore any error
|
||||
/* Go through each record */
|
||||
for ( size_t rec_count = 0; rec_count < num_addresses; ++rec_count )
|
||||
{
|
||||
struct getdns_dict * this_address;
|
||||
this_ret = getdns_list_get_dict(just_the_addresses_ptr, rec_count, &this_address); // Ignore any error
|
||||
/* Just print the address */
|
||||
struct getdns_bindata * this_address_data;
|
||||
this_ret = getdns_dict_get_bindata(this_address, "address_data", &this_address_data); // Ignore any error
|
||||
char *this_address_str = getdns_display_ip_address(this_address_data);
|
||||
printf("The address is %s\n", this_address_str);
|
||||
free(this_address_str);
|
||||
}
|
||||
}
|
||||
else if (this_callback_type == GETDNS_CALLBACK_CANCEL)
|
||||
fprintf(stderr, "The callback with ID %"PRIu64" was cancelled. Exiting.\n", this_transaction_id);
|
||||
else
|
||||
fprintf(stderr, "The callback got a callback_type of %d. Exiting.\n", this_callback_type);
|
||||
getdns_dict_destroy(this_response);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
/* Create the DNS context for this call */
|
||||
struct getdns_context *this_context = NULL;
|
||||
getdns_return_t context_create_return = getdns_context_create(&this_context, 1);
|
||||
if (context_create_return != GETDNS_RETURN_GOOD)
|
||||
{
|
||||
fprintf(stderr, "Trying to create the context failed: %d", context_create_return);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
/* Create an event base and put it in the context using the unknown function name */
|
||||
struct event_base *this_event_base;
|
||||
this_event_base = event_base_new();
|
||||
if (this_event_base == NULL)
|
||||
{
|
||||
fprintf(stderr, "Trying to create the event base failed.\n");
|
||||
getdns_context_destroy(this_context);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
(void)getdns_extension_set_libevent_base(this_context, this_event_base);
|
||||
/* Set up the getdns call */
|
||||
const char * this_name = "www.example.com";
|
||||
char* this_userarg = "somestring"; // Could add things here to help identify this call
|
||||
getdns_transaction_t this_transaction_id = 0;
|
||||
|
||||
/* Make the call */
|
||||
getdns_return_t dns_request_return = getdns_address(this_context, this_name,
|
||||
NULL, this_userarg, &this_transaction_id, this_callbackfn);
|
||||
if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME)
|
||||
{
|
||||
fprintf(stderr, "A bad domain name was used: %s. Exiting.\n", this_name);
|
||||
event_base_free(this_event_base);
|
||||
getdns_context_destroy(this_context);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Call the event loop */
|
||||
int dispatch_return = event_base_dispatch(this_event_base);
|
||||
UNUSED_PARAM(dispatch_return);
|
||||
// TODO: check the return value above
|
||||
}
|
||||
/* Clean up */
|
||||
event_base_free(this_event_base);
|
||||
getdns_context_destroy(this_context);
|
||||
/* Assuming we get here, leave gracefully */
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include <getdns_core_only.h>
|
||||
|
||||
int main()
|
||||
{
|
||||
getdns_return_t this_ret; /* Holder for all function returns */
|
||||
/* Create the DNS context for this call */
|
||||
struct getdns_context *this_context = NULL;
|
||||
getdns_return_t context_create_return = getdns_context_create(&this_context, 1);
|
||||
if (context_create_return != GETDNS_RETURN_GOOD)
|
||||
{
|
||||
fprintf(stderr, "Trying to create the context failed: %d\n", context_create_return);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
/* Set up the getdns_sync_request call */
|
||||
const char * this_name = "www.example.com";
|
||||
uint8_t this_request_type = GETDNS_RRTYPE_A;
|
||||
/* Get the A and AAAA records */
|
||||
struct getdns_dict * this_extensions = getdns_dict_create();
|
||||
this_ret = getdns_dict_set_int(this_extensions, "return_both_v4_and_v6", GETDNS_EXTENSION_TRUE);
|
||||
if (this_ret != GETDNS_RETURN_GOOD)
|
||||
{
|
||||
fprintf(stderr, "Trying to set an extension do both IPv4 and IPv6 failed: %d\n", this_ret);
|
||||
getdns_dict_destroy(this_extensions);
|
||||
getdns_context_destroy(this_context);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
struct getdns_dict * this_response = NULL;
|
||||
|
||||
/* Make the call */
|
||||
getdns_return_t dns_request_return = getdns_general_sync(this_context, this_name, this_request_type,
|
||||
this_extensions, &this_response);
|
||||
if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME)
|
||||
{
|
||||
fprintf(stderr, "A bad domain name was used: %s. Exiting.\n", this_name);
|
||||
getdns_dict_destroy(this_response);
|
||||
getdns_dict_destroy(this_extensions);
|
||||
getdns_context_destroy(this_context);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Be sure the search returned something */
|
||||
uint32_t this_error;
|
||||
this_ret = getdns_dict_get_int(this_response, "status", &this_error); // Ignore any error
|
||||
if (this_error != GETDNS_RESPSTATUS_GOOD) // If the search didn't return "good"
|
||||
{
|
||||
fprintf(stderr, "The search had no results, and a return value of %d. Exiting.\n", this_error);
|
||||
getdns_dict_destroy(this_response);
|
||||
getdns_dict_destroy(this_extensions);
|
||||
getdns_context_destroy(this_context);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
struct getdns_list * just_the_addresses_ptr;
|
||||
this_ret = getdns_dict_get_list(this_response, "just_address_answers", &just_the_addresses_ptr); // Ignore any error
|
||||
size_t num_addresses;
|
||||
this_ret = getdns_list_get_length(just_the_addresses_ptr, &num_addresses); // Ignore any error
|
||||
/* Go through each record */
|
||||
for ( size_t rec_count = 0; rec_count < num_addresses; ++rec_count )
|
||||
{
|
||||
struct getdns_dict * this_address;
|
||||
this_ret = getdns_list_get_dict(just_the_addresses_ptr, rec_count, &this_address); // Ignore any error
|
||||
/* Just print the address */
|
||||
struct getdns_bindata * this_address_data;
|
||||
this_ret = getdns_dict_get_bindata(this_address, "address_data", &this_address_data); // Ignore any error
|
||||
char *this_address_str = getdns_display_ip_address(this_address_data);
|
||||
printf("The address is %s\n", this_address_str);
|
||||
free(this_address_str);
|
||||
}
|
||||
}
|
||||
/* Clean up */
|
||||
getdns_dict_destroy(this_response);
|
||||
getdns_dict_destroy(this_extensions);
|
||||
getdns_context_destroy(this_context);
|
||||
/* Assuming we get here, leave gracefully */
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
|
@ -0,0 +1,151 @@
|
|||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include <getdns_libevent.h>
|
||||
|
||||
#define UNUSED_PARAM(x) ((void)(x))
|
||||
|
||||
/* Set up the callback function, which will also do the processing of the results */
|
||||
void this_callbackfn(struct getdns_context *this_context,
|
||||
getdns_return_t this_callback_type,
|
||||
struct getdns_dict *this_response,
|
||||
void *this_userarg,
|
||||
getdns_transaction_t this_transaction_id)
|
||||
{
|
||||
UNUSED_PARAM(this_userarg); /* Not looking at the userarg for this example */
|
||||
UNUSED_PARAM(this_context); /* Not looking at the context for this example */
|
||||
getdns_return_t this_ret; /* Holder for all function returns */
|
||||
if (this_callback_type == GETDNS_CALLBACK_COMPLETE) /* This is a callback with data */
|
||||
{
|
||||
/* Be sure the search returned something */
|
||||
uint32_t this_error;
|
||||
this_ret = getdns_dict_get_int(this_response, "status", &this_error); // Ignore any error
|
||||
if (this_error != GETDNS_RESPSTATUS_GOOD) // If the search didn't return "good"
|
||||
{
|
||||
fprintf(stderr, "The search had no results, and a return value of %d. Exiting.\n", this_error);
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
/* Find all the answers returned */
|
||||
struct getdns_list * these_answers;
|
||||
this_ret = getdns_dict_get_list(this_response, "replies_tree", &these_answers);
|
||||
if (this_ret == GETDNS_RETURN_NO_SUCH_DICT_NAME)
|
||||
{
|
||||
fprintf(stderr, "Weird: the response had no error, but also no replies_tree. Exiting.\n");
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
size_t num_answers;
|
||||
this_ret = getdns_list_get_length(these_answers, &num_answers);
|
||||
/* Go through each answer */
|
||||
for ( size_t rec_count = 0; rec_count < num_answers; ++rec_count )
|
||||
{
|
||||
struct getdns_dict * this_record;
|
||||
this_ret = getdns_list_get_dict(these_answers, rec_count, &this_record); // Ignore any error
|
||||
/* Get the answer section */
|
||||
struct getdns_list * this_answer;
|
||||
this_ret = getdns_dict_get_list(this_record, "answer", &this_answer); // Ignore any error
|
||||
/* Get each RR in the answer section */
|
||||
size_t num_rrs;
|
||||
this_ret = getdns_list_get_length(this_answer, &num_rrs);
|
||||
for ( size_t rr_count = 0; rr_count < num_rrs; ++rr_count )
|
||||
{
|
||||
struct getdns_dict *this_rr = NULL;
|
||||
this_ret = getdns_list_get_dict(this_answer, rr_count, &this_rr); // Ignore any error
|
||||
/* Get the RDATA */
|
||||
struct getdns_dict * this_rdata = NULL;
|
||||
this_ret = getdns_dict_get_dict(this_rr, "rdata", &this_rdata); // Ignore any error
|
||||
/* Get the RDATA type */
|
||||
uint32_t this_type;
|
||||
this_ret = getdns_dict_get_int(this_rr, "type", &this_type); // Ignore any error
|
||||
/* If it is type A or AAAA, print the value */
|
||||
if (this_type == GETDNS_RRTYPE_A)
|
||||
{
|
||||
struct getdns_bindata * this_a_record = NULL;
|
||||
this_ret = getdns_dict_get_bindata(this_rdata, "ipv4_address", &this_a_record);
|
||||
if (this_ret == GETDNS_RETURN_NO_SUCH_DICT_NAME)
|
||||
{
|
||||
fprintf(stderr, "Weird: the A record at %d in record at %d had no address. Exiting.\n",
|
||||
(int) rr_count, (int) rec_count);
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
char *this_address_str = getdns_display_ip_address(this_a_record);
|
||||
printf("The IPv4 address is %s\n", this_address_str);
|
||||
free(this_address_str);
|
||||
}
|
||||
else if (this_type == GETDNS_RRTYPE_AAAA)
|
||||
{
|
||||
struct getdns_bindata * this_aaaa_record = NULL;
|
||||
this_ret = getdns_dict_get_bindata(this_rdata, "ipv6_address", &this_aaaa_record);
|
||||
if (this_ret == GETDNS_RETURN_NO_SUCH_DICT_NAME)
|
||||
{
|
||||
fprintf(stderr, "Weird: the AAAA record at %d in record at %d had no address. Exiting.\n",
|
||||
(int) rr_count, (int) rec_count);
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
char *this_address_str = getdns_display_ip_address(this_aaaa_record);
|
||||
printf("The IPv6 address is %s\n", this_address_str);
|
||||
free(this_address_str);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (this_callback_type == GETDNS_CALLBACK_CANCEL)
|
||||
fprintf(stderr, "The callback with ID %"PRIu64" was cancelled. Exiting.\n", this_transaction_id);
|
||||
else
|
||||
fprintf(stderr, "The callback got a callback_type of %d. Exiting.\n", this_callback_type);
|
||||
getdns_dict_destroy(this_response);
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
/* Create the DNS context for this call */
|
||||
struct getdns_context *this_context = NULL;
|
||||
getdns_return_t context_create_return = getdns_context_create(&this_context, 1);
|
||||
if (context_create_return != GETDNS_RETURN_GOOD)
|
||||
{
|
||||
fprintf(stderr, "Trying to create the context failed: %d\n", context_create_return);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
/* Create an event base and put it in the context using the unknown function name */
|
||||
struct event_base *this_event_base;
|
||||
this_event_base = event_base_new();
|
||||
if (this_event_base == NULL)
|
||||
{
|
||||
fprintf(stderr, "Trying to create the event base failed.\n");
|
||||
getdns_context_destroy(this_context);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
(void)getdns_extension_set_libevent_base(this_context, this_event_base);
|
||||
/* Set up the getdns call */
|
||||
const char * this_name = "www.example.com";
|
||||
char* this_userarg = "somestring"; // Could add things here to help identify this call
|
||||
getdns_transaction_t this_transaction_id = 0;
|
||||
|
||||
/* Make the call */
|
||||
getdns_return_t dns_request_return = getdns_address(this_context, this_name,
|
||||
NULL, this_userarg, &this_transaction_id, this_callbackfn);
|
||||
if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME)
|
||||
{
|
||||
fprintf(stderr, "A bad domain name was used: %s. Exiting.\n", this_name);
|
||||
event_base_free(this_event_base);
|
||||
getdns_context_destroy(this_context);
|
||||
return(GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Call the event loop */
|
||||
int dispatch_return = event_base_dispatch(this_event_base);
|
||||
UNUSED_PARAM(dispatch_return);
|
||||
// TODO: check the return value above
|
||||
}
|
||||
/* Clean up */
|
||||
event_base_free(this_event_base);
|
||||
getdns_context_destroy(this_context);
|
||||
/* Assuming we get here, leave gracefully */
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
|
@ -1,197 +0,0 @@
|
|||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <inttypes.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <stdbool.h>
|
||||
#include <getdns/getdns.h>
|
||||
|
||||
#define UNUSED_PARAM(x) ((void)(x))
|
||||
|
||||
/* The return values */
|
||||
getdns_return_t retregular;
|
||||
char *retcharstar;
|
||||
|
||||
/* The args */
|
||||
bool boolarg;
|
||||
char *charstararg;
|
||||
getdns_callback_t callbackarg;
|
||||
uint16_t regulararg;
|
||||
uint16_t *regularptrarg;
|
||||
getdns_transaction_t txidarg;
|
||||
getdns_transaction_t *txidptrarg;
|
||||
|
||||
getdns_data_type *datatypeptrarg;
|
||||
struct getdns_bindata **bindataptrarg;
|
||||
struct getdns_dict *dictarg;
|
||||
struct getdns_bindata *bindataarg;
|
||||
struct getdns_list *listarg;
|
||||
struct getdns_dict **dictptrarg;
|
||||
struct getdns_list **listptrarg;
|
||||
|
||||
size_t sizetarg;
|
||||
size_t *sizetptrarg;
|
||||
struct getdns_context *contextarg = NULL;
|
||||
uint8_t uint8arg;
|
||||
uint16_t uint16arg;
|
||||
uint32_t uint32arg;
|
||||
uint8_t *uint8ptrarg;
|
||||
uint16_t *uint16ptrarg;
|
||||
uint32_t *uint32ptrarg;
|
||||
void *arrayarg;
|
||||
void *
|
||||
allocfunctionarg(size_t foo)
|
||||
{
|
||||
UNUSED_PARAM(foo);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void *
|
||||
reallocfunctionarg(void *foo, size_t bar)
|
||||
{
|
||||
UNUSED_PARAM(foo);
|
||||
UNUSED_PARAM(bar);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
void
|
||||
deallocfunctionarg(void *foo)
|
||||
{
|
||||
UNUSED_PARAM(foo);
|
||||
}
|
||||
|
||||
void
|
||||
setcallbackfunctionarg(struct getdns_context *foo1, uint16_t foo2)
|
||||
{
|
||||
UNUSED_PARAM(foo1);
|
||||
UNUSED_PARAM(foo2);
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
|
||||
retregular = getdns_general(contextarg,
|
||||
charstararg,
|
||||
uint16arg, dictarg, arrayarg, txidptrarg, callbackarg);
|
||||
|
||||
retregular = getdns_address(contextarg,
|
||||
charstararg, dictarg, arrayarg, txidptrarg, callbackarg);
|
||||
|
||||
retregular = getdns_hostname(contextarg,
|
||||
dictarg, dictarg, arrayarg, txidptrarg, callbackarg);
|
||||
|
||||
retregular = getdns_service(contextarg,
|
||||
charstararg, dictarg, arrayarg, txidptrarg, callbackarg);
|
||||
|
||||
retregular = getdns_context_create(&contextarg, boolarg);
|
||||
|
||||
retregular = getdns_cancel_callback(contextarg, txidarg);
|
||||
|
||||
retregular = getdns_general_sync(contextarg,
|
||||
charstararg, uint16arg, dictarg, &dictarg);
|
||||
|
||||
retregular = getdns_address_sync(contextarg,
|
||||
charstararg, dictarg, &dictarg);
|
||||
|
||||
retregular = getdns_hostname_sync(contextarg,
|
||||
dictarg, dictarg, &dictarg);
|
||||
|
||||
retregular = getdns_service_sync(contextarg,
|
||||
charstararg, dictarg, &dictarg);
|
||||
|
||||
retregular = getdns_list_get_length(listarg, sizetptrarg);
|
||||
retregular =
|
||||
getdns_list_get_data_type(listarg, sizetarg, datatypeptrarg);
|
||||
retregular = getdns_list_get_dict(listarg, sizetarg, dictptrarg);
|
||||
retregular = getdns_list_get_list(listarg, sizetarg, listptrarg);
|
||||
retregular = getdns_list_get_bindata(listarg, sizetarg, bindataptrarg);
|
||||
retregular = getdns_list_get_int(listarg, sizetarg, uint32ptrarg);
|
||||
|
||||
retregular = getdns_dict_get_names(dictarg, listptrarg);
|
||||
retregular =
|
||||
getdns_dict_get_data_type(dictarg, charstararg, datatypeptrarg);
|
||||
retregular = getdns_dict_get_dict(dictarg, charstararg, dictptrarg);
|
||||
retregular = getdns_dict_get_list(dictarg, charstararg, listptrarg);
|
||||
retregular =
|
||||
getdns_dict_get_bindata(dictarg, charstararg, bindataptrarg);
|
||||
retregular = getdns_dict_get_int(dictarg, charstararg, uint32ptrarg);
|
||||
|
||||
listarg = getdns_list_create();
|
||||
retregular = getdns_list_set_dict(listarg, sizetarg, dictarg);
|
||||
retregular = getdns_list_set_list(listarg, sizetarg, listarg);
|
||||
retregular = getdns_list_set_bindata(listarg, sizetarg, bindataarg);
|
||||
retregular = getdns_list_set_int(listarg, sizetarg, uint32arg);
|
||||
|
||||
dictarg = getdns_dict_create();
|
||||
retregular = getdns_dict_set_dict(dictarg, charstararg, dictarg);
|
||||
retregular = getdns_dict_set_list(dictarg, charstararg, listarg);
|
||||
retregular = getdns_dict_set_bindata(dictarg, charstararg, bindataarg);
|
||||
retregular = getdns_dict_set_int(dictarg, charstararg, uint32arg);
|
||||
retcharstar = getdns_pretty_print_dict(dictarg);
|
||||
|
||||
retcharstar = getdns_convert_fqdn_to_dns_name(charstararg);
|
||||
|
||||
retcharstar = getdns_convert_dns_name_to_fqdn(charstararg);
|
||||
|
||||
retcharstar = getdns_convert_ulabel_to_alabel(charstararg);
|
||||
|
||||
retcharstar = getdns_convert_alabel_to_ulabel(charstararg);
|
||||
|
||||
retregular = getdns_validate_dnssec(bindataarg, listarg, listarg);
|
||||
|
||||
retcharstar = getdns_display_ip_address(bindataarg);
|
||||
|
||||
retregular = getdns_context_set_context_update_callback(contextarg,
|
||||
setcallbackfunctionarg);
|
||||
|
||||
retregular = getdns_context_set_resolution_type(contextarg,
|
||||
regulararg);
|
||||
|
||||
retregular = getdns_context_set_namespaces(contextarg,
|
||||
sizetarg, regularptrarg);
|
||||
|
||||
retregular = getdns_context_set_dns_transport(contextarg, regulararg);
|
||||
|
||||
retregular = getdns_context_set_limit_outstanding_queries(contextarg,
|
||||
uint16arg);
|
||||
|
||||
retregular = getdns_context_set_timeout(contextarg, uint16arg);
|
||||
|
||||
retregular = getdns_context_set_follow_redirects(contextarg,
|
||||
regulararg);
|
||||
|
||||
retregular = getdns_context_set_dns_root_servers(contextarg, listarg);
|
||||
|
||||
retregular = getdns_context_set_append_name(contextarg, regulararg);
|
||||
|
||||
retregular = getdns_context_set_suffix(contextarg, listarg);
|
||||
|
||||
retregular = getdns_context_set_dnssec_trust_anchors(contextarg,
|
||||
listarg);
|
||||
|
||||
retregular = getdns_context_set_dnssec_allowed_skew(contextarg,
|
||||
uint16arg);
|
||||
|
||||
retregular = getdns_context_set_stub_resolution(contextarg, listarg);
|
||||
|
||||
retregular =
|
||||
getdns_context_set_edns_maximum_udp_payload_size(contextarg,
|
||||
uint16arg);
|
||||
|
||||
retregular = getdns_context_set_edns_extended_rcode(contextarg,
|
||||
uint8arg);
|
||||
|
||||
retregular = getdns_context_set_edns_version(contextarg, uint8arg);
|
||||
|
||||
retregular = getdns_context_set_edns_do_bit(contextarg, uint8arg);
|
||||
|
||||
retregular = getdns_context_set_memory_functions(contextarg,
|
||||
allocfunctionarg, reallocfunctionarg, deallocfunctionarg);
|
||||
|
||||
getdns_list_destroy(listarg);
|
||||
getdns_dict_destroy(dictarg);
|
||||
getdns_context_destroy(contextarg);
|
||||
|
||||
return (0);
|
||||
} /* End of main() */
|
||||
|
|
@ -1,160 +0,0 @@
|
|||
/**
|
||||
* /brief demonstrate asynchronous use of the API for fetching DNS data
|
||||
*
|
||||
* Originally taken from the getdns API description pseudo implementation.
|
||||
*/
|
||||
|
||||
/* The MIT License (MIT)
|
||||
* Copyright (c) 2013 Verisign, Inc.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include "../config.h"
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include <getdns/getdns.h>
|
||||
#ifdef HAVE_EVENT2_EVENT_H
|
||||
# include <event2/event.h>
|
||||
#else
|
||||
# include <event.h>
|
||||
#endif
|
||||
|
||||
#define UNUSED_PARAM(x) ((void)(x))
|
||||
|
||||
/* Set up the callback function, which will also do the processing of the results */
|
||||
void
|
||||
this_callbackfn(struct getdns_context *this_context,
|
||||
uint16_t this_callback_type,
|
||||
struct getdns_dict *this_response,
|
||||
void *this_userarg, getdns_transaction_t this_transaction_id)
|
||||
{
|
||||
UNUSED_PARAM(this_userarg); /* Not looking at the userarg for this example */
|
||||
UNUSED_PARAM(this_context); /* Not looking at the context for this example */
|
||||
getdns_return_t this_ret; /* Holder for all function returns */
|
||||
if (this_callback_type == GETDNS_CALLBACK_COMPLETE) { /* This is a callback with data */
|
||||
/* Be sure the search returned something */
|
||||
uint32_t this_error;
|
||||
this_ret = getdns_dict_get_int(this_response, "status", &this_error); // Ignore any error
|
||||
if (this_error != GETDNS_RESPSTATUS_GOOD) // If the search didn't return "good"
|
||||
{
|
||||
fprintf(stderr,
|
||||
"The search had no results, and a return value of %d. Exiting.\n",
|
||||
this_error);
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
struct getdns_list *just_the_addresses_ptr;
|
||||
this_ret =
|
||||
getdns_dict_get_list(this_response, "just_address_answers",
|
||||
&just_the_addresses_ptr);
|
||||
if (this_ret != GETDNS_RETURN_GOOD) // This check is really not needed, but prevents a compiler error under "pedantic"
|
||||
{
|
||||
fprintf(stderr,
|
||||
"Trying to get the answers failed: %d\n",
|
||||
this_ret);
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
size_t num_addresses = 0;
|
||||
this_ret = getdns_list_get_length(just_the_addresses_ptr, &num_addresses); // Ignore any error
|
||||
/* Go through each record */
|
||||
if (num_addresses == 0) {
|
||||
fprintf(stderr, "There are no addresses.\n");
|
||||
getdns_dict_destroy(this_response);
|
||||
return;
|
||||
}
|
||||
for (size_t rec_count = 0; rec_count < num_addresses;
|
||||
++rec_count) {
|
||||
struct getdns_bindata *this_address_data;
|
||||
char *ipAddr = NULL;
|
||||
this_ret = getdns_list_get_bindata(just_the_addresses_ptr, rec_count, &this_address_data); // Ignore any error
|
||||
ipAddr = getdns_display_ip_address(this_address_data);
|
||||
printf("The address is %s\n", ipAddr);
|
||||
free(ipAddr);
|
||||
}
|
||||
} else if (this_callback_type == GETDNS_CALLBACK_CANCEL)
|
||||
fprintf(stderr,
|
||||
"The callback with ID %" PRIu64
|
||||
" was cancelled. Exiting.\n", this_transaction_id);
|
||||
else
|
||||
fprintf(stderr,
|
||||
"The callback got a callback_type of %d. Exiting.\n",
|
||||
this_callback_type);
|
||||
|
||||
/* clean up */
|
||||
getdns_dict_destroy(this_response);
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
/* Create the DNS context for this call */
|
||||
struct getdns_context *this_context = NULL;
|
||||
getdns_return_t context_create_return =
|
||||
getdns_context_create(&this_context, 1);
|
||||
if (context_create_return != GETDNS_RETURN_GOOD) {
|
||||
fprintf(stderr, "Trying to create the context failed: %d",
|
||||
context_create_return);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
/* Create an event base and put it in the context using the unknown function name */
|
||||
struct event_base *this_event_base;
|
||||
this_event_base = event_base_new();
|
||||
if (this_event_base == NULL) {
|
||||
fprintf(stderr, "Trying to create the event base failed.\n");
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
(void) getdns_extension_set_libevent_base(this_context,
|
||||
this_event_base);
|
||||
/* Set up the getdns call */
|
||||
const char *this_name = "www.example.com";
|
||||
char *this_userarg = "somestring"; // Could add things here to help identify this call
|
||||
getdns_transaction_t this_transaction_id = 0;
|
||||
|
||||
// getdns_context_set_resolution_type(this_context, GETDNS_CONTEXT_STUB);
|
||||
|
||||
/* Make the call */
|
||||
getdns_return_t dns_request_return =
|
||||
getdns_address(this_context, this_name,
|
||||
NULL, this_userarg, &this_transaction_id, this_callbackfn);
|
||||
if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME) {
|
||||
fprintf(stderr, "A bad domain name was used: %s. Exiting.\n",
|
||||
this_name);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
} else if (dns_request_return != GETDNS_RETURN_GOOD) {
|
||||
fprintf(stderr, "The context is not setup properly.\n");
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
} else {
|
||||
/* Call the event loop */
|
||||
int dispatch_return = event_base_dispatch(this_event_base);
|
||||
UNUSED_PARAM(dispatch_return);
|
||||
// TODO: check the return value above
|
||||
}
|
||||
/* Clean up */
|
||||
getdns_context_destroy(this_context);
|
||||
event_base_free(this_event_base);
|
||||
/* Assuming we get here, leave gracefully */
|
||||
exit(EXIT_SUCCESS);
|
||||
} /* main */
|
||||
|
||||
/* example-simple-answers.c */
|
||||
|
|
@ -1,118 +0,0 @@
|
|||
/* example-synchronous.c
|
||||
*
|
||||
* Originally taken from the getdns API description pseudo implementation.
|
||||
*
|
||||
* The MIT License (MIT)
|
||||
* Copyright (c) 2013 Verisign, Inc.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include <getdns/getdns.h>
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
getdns_return_t context_create_return;
|
||||
struct getdns_list *just_the_addresses_ptr;
|
||||
size_t num_addresses = 0;
|
||||
size_t rec_count;
|
||||
struct getdns_bindata *this_address_data;
|
||||
struct getdns_context *this_context = NULL;
|
||||
uint32_t this_error = 0;
|
||||
struct getdns_dict *this_extensions = NULL;
|
||||
const char *this_name = "www.example.com";
|
||||
uint8_t this_request_type = GETDNS_RRTYPE_A;
|
||||
struct getdns_dict *this_response = NULL;
|
||||
getdns_return_t this_ret;
|
||||
|
||||
/* Create the DNS context for this call */
|
||||
context_create_return = getdns_context_create(&this_context, 1);
|
||||
if (context_create_return != GETDNS_RETURN_GOOD) {
|
||||
fprintf(stderr, "Trying to create the context failed: %d",
|
||||
context_create_return);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
|
||||
/* Set up the getdns_sync_request call */
|
||||
/* Get the A and AAAA records */
|
||||
this_extensions = getdns_dict_create();
|
||||
this_ret =
|
||||
getdns_dict_set_int(this_extensions, "return_both_v4_and_v6",
|
||||
GETDNS_EXTENSION_TRUE);
|
||||
if (this_ret != GETDNS_RETURN_GOOD) {
|
||||
fprintf(stderr,
|
||||
"Trying to set an extension do both IPv4 and IPv6 failed: %d",
|
||||
this_ret);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
|
||||
/* Make the call */
|
||||
getdns_return_t dns_request_return =
|
||||
getdns_general_sync(this_context, this_name, this_request_type,
|
||||
this_extensions, &this_response);
|
||||
/* free the extensions */
|
||||
getdns_dict_destroy(this_extensions);
|
||||
if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME) {
|
||||
fprintf(stderr, "A bad domain name was used: %s. Exiting.",
|
||||
this_name);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
} else {
|
||||
/* Be sure the search returned something */
|
||||
this_ret = getdns_dict_get_int(this_response, "status", &this_error); // Ignore any error
|
||||
if (this_error != GETDNS_RESPSTATUS_GOOD) // If the search didn't return "good"
|
||||
{
|
||||
fprintf(stderr,
|
||||
"The search had no results, and a return value of %d. Exiting.",
|
||||
this_error);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
this_ret = getdns_dict_get_list(this_response, "just_address_answers", &just_the_addresses_ptr); // Ignore any error
|
||||
this_ret = getdns_list_get_length(just_the_addresses_ptr, &num_addresses); // Ignore any error
|
||||
/* Go through each record */
|
||||
if (num_addresses > 0) {
|
||||
for (rec_count = 0; rec_count < num_addresses;
|
||||
++rec_count) {
|
||||
char *display;
|
||||
this_ret = getdns_list_get_bindata(just_the_addresses_ptr, rec_count, &this_address_data); // Ignore any error
|
||||
display =
|
||||
getdns_display_ip_address
|
||||
(this_address_data);
|
||||
/* Just print the address */
|
||||
printf("The address is %s\n", display);
|
||||
if (display) {
|
||||
free(display);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Clean up */
|
||||
getdns_context_destroy(this_context);
|
||||
|
||||
exit(EXIT_SUCCESS);
|
||||
} /* main */
|
||||
|
||||
/* example-synchronous.c */
|
||||
|
|
@ -1,163 +0,0 @@
|
|||
#include "../config.h"
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <inttypes.h>
|
||||
#include <getdns/getdns.h>
|
||||
#ifdef HAVE_EVENT2_EVENT_H
|
||||
# include <event2/event.h>
|
||||
#else
|
||||
# include <event.h>
|
||||
#endif
|
||||
|
||||
#define UNUSED_PARAM(x) ((void)(x))
|
||||
|
||||
/* Set up the callback function, which will also do the processing of the results */
|
||||
void
|
||||
this_callbackfn(struct getdns_context *this_context,
|
||||
getdns_return_t this_callback_type,
|
||||
struct getdns_dict *this_response,
|
||||
void *this_userarg, getdns_transaction_t this_transaction_id)
|
||||
{
|
||||
UNUSED_PARAM(this_userarg); /* Not looking at the userarg for this example */
|
||||
UNUSED_PARAM(this_context); /* Not looking at the context for this example */
|
||||
getdns_return_t this_ret; /* Holder for all function returns */
|
||||
if (this_callback_type == GETDNS_CALLBACK_COMPLETE) { /* This is a callback with data */
|
||||
/* Be sure the search returned something */
|
||||
uint32_t this_error;
|
||||
this_ret = getdns_dict_get_int(this_response, "status", &this_error); // Ignore any error
|
||||
if (this_error != GETDNS_RESPSTATUS_GOOD) // If the search didn't return "good"
|
||||
{
|
||||
fprintf(stderr,
|
||||
"The search had no results, and a return value of %d. Exiting.",
|
||||
this_error);
|
||||
return;
|
||||
}
|
||||
/* Find all the answers returned */
|
||||
struct getdns_list *these_answers;
|
||||
this_ret =
|
||||
getdns_dict_get_list(this_response, "replies_tree",
|
||||
&these_answers);
|
||||
if (this_ret == GETDNS_RETURN_NO_SUCH_DICT_NAME) {
|
||||
fprintf(stderr,
|
||||
"Weird: the response had no error, but also no replies_tree. Exiting.");
|
||||
return;
|
||||
}
|
||||
size_t num_answers;
|
||||
this_ret = getdns_list_get_length(these_answers, &num_answers);
|
||||
/* Go through each answer */
|
||||
for (size_t rec_count = 0; rec_count < num_answers;
|
||||
++rec_count) {
|
||||
struct getdns_dict *this_record;
|
||||
this_ret = getdns_list_get_dict(these_answers, rec_count, &this_record); // Ignore any error
|
||||
/* Get the answer section */
|
||||
struct getdns_list *this_answer;
|
||||
this_ret = getdns_dict_get_list(this_record, "answer", &this_answer); // Ignore any error
|
||||
/* Get each RR in the answer section */
|
||||
size_t num_rrs_ptr;
|
||||
this_ret =
|
||||
getdns_list_get_length(this_answer, &num_rrs_ptr);
|
||||
for (size_t rr_count = 0; rr_count < num_rrs_ptr;
|
||||
++rr_count) {
|
||||
struct getdns_dict *this_rr = NULL;
|
||||
this_ret = getdns_list_get_dict(this_answer, rr_count, &this_rr); // Ignore any error
|
||||
/* Get the RDATA */
|
||||
struct getdns_dict *this_rdata = NULL;
|
||||
this_ret = getdns_dict_get_dict(this_rr, "rdata", &this_rdata); // Ignore any error
|
||||
/* Get the RDATA type */
|
||||
uint32_t this_type;
|
||||
this_ret = getdns_dict_get_int(this_rr, "type", &this_type); // Ignore any error
|
||||
/* If it is type A or AAAA, print the value */
|
||||
if (this_type == GETDNS_RRTYPE_A) {
|
||||
struct getdns_bindata *this_a_record =
|
||||
NULL;
|
||||
this_ret =
|
||||
getdns_dict_get_bindata(this_rdata,
|
||||
"ipv4_address", &this_a_record);
|
||||
if (this_ret ==
|
||||
GETDNS_RETURN_NO_SUCH_DICT_NAME) {
|
||||
fprintf(stderr,
|
||||
"Weird: the A record at %d in record at %d had no address. Exiting.",
|
||||
(int) rr_count,
|
||||
(int) rec_count);
|
||||
return;
|
||||
}
|
||||
printf("The IPv4 address is %s\n",
|
||||
getdns_display_ip_address
|
||||
(this_a_record));
|
||||
} else if (this_type == GETDNS_RRTYPE_AAAA) {
|
||||
struct getdns_bindata *this_aaaa_record
|
||||
= NULL;
|
||||
this_ret =
|
||||
getdns_dict_get_bindata(this_rdata,
|
||||
"ipv6_address", &this_aaaa_record);
|
||||
if (this_ret ==
|
||||
GETDNS_RETURN_NO_SUCH_DICT_NAME) {
|
||||
fprintf(stderr,
|
||||
"Weird: the AAAA record at %d in record at %d had no address. Exiting.",
|
||||
(int) rr_count,
|
||||
(int) rec_count);
|
||||
return;
|
||||
}
|
||||
printf("The IPv6 address is %s\n",
|
||||
getdns_display_ip_address
|
||||
(this_aaaa_record));
|
||||
}
|
||||
}
|
||||
}
|
||||
} else if (this_callback_type == GETDNS_CALLBACK_CANCEL)
|
||||
fprintf(stderr,
|
||||
"The callback with ID %" PRIu64 " was cancelled. Exiting.",
|
||||
this_transaction_id);
|
||||
else
|
||||
fprintf(stderr,
|
||||
"The callback got a callback_type of %d. Exiting.",
|
||||
this_callback_type);
|
||||
}
|
||||
|
||||
int
|
||||
main()
|
||||
{
|
||||
/* Create the DNS context for this call */
|
||||
struct getdns_context *this_context = NULL;
|
||||
getdns_return_t context_create_return =
|
||||
getdns_context_create(&this_context, 1);
|
||||
if (context_create_return != GETDNS_RETURN_GOOD) {
|
||||
fprintf(stderr, "Trying to create the context failed: %d",
|
||||
context_create_return);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
/* Create an event base and put it in the context using the unknown function name */
|
||||
struct event_base *this_event_base;
|
||||
this_event_base = event_base_new();
|
||||
if (this_event_base == NULL) {
|
||||
fprintf(stderr, "Trying to create the event base failed.");
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
}
|
||||
(void) getdns_extension_set_libevent_base(this_context,
|
||||
this_event_base);
|
||||
/* Set up the getdns call */
|
||||
const char *this_name = "www.example.com";
|
||||
char *this_userarg = "somestring"; // Could add things here to help identify this call
|
||||
getdns_transaction_t this_transaction_id = 0;
|
||||
|
||||
/* Make the call */
|
||||
getdns_return_t dns_request_return =
|
||||
getdns_address(this_context, this_name,
|
||||
NULL, this_userarg, &this_transaction_id, this_callbackfn);
|
||||
if (dns_request_return == GETDNS_RETURN_BAD_DOMAIN_NAME) {
|
||||
fprintf(stderr, "A bad domain name was used: %s. Exiting.",
|
||||
this_name);
|
||||
return (GETDNS_RETURN_GENERIC_ERROR);
|
||||
} else {
|
||||
/* Call the event loop */
|
||||
int dispatch_return = event_base_dispatch(this_event_base);
|
||||
UNUSED_PARAM(dispatch_return);
|
||||
// TODO: check the return value above
|
||||
}
|
||||
/* Clean up */
|
||||
getdns_context_destroy(this_context);
|
||||
/* Assuming we get here, leave gracefully */
|
||||
exit(EXIT_SUCCESS);
|
||||
}
|
||||
|
|
@ -0,0 +1 @@
|
|||
#include <getdns/getdns.h>
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
#include <getdns/getdns.h>
|
||||
#ifdef HAVE_EVENT2_EVENT_H
|
||||
#include <event2/event.h>
|
||||
#else
|
||||
#include <event.h>
|
||||
#endif
|
||||
|
|
@ -19,7 +19,7 @@ CC=gcc
|
|||
CFLAGS=@CFLAGS@ -Wall -I$(srcdir)/ -I$(srcdir)/../ -I/usr/local/include -std=c99 $(cflags)
|
||||
LDFLAGS=@LDFLAGS@ -L. -L.. -L/usr/local/lib
|
||||
LDLIBS=-lgetdns @LIBS@
|
||||
PROGRAMS=tests_dict tests_list tests_stub_async tests_stub_sync tests_list_mu
|
||||
PROGRAMS=tests_dict tests_list tests_stub_async tests_stub_sync
|
||||
|
||||
.SUFFIXES: .c .o .a .lo .h
|
||||
|
||||
|
|
@ -37,8 +37,7 @@ tests_list: tests_list.o testmessages.o
|
|||
$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ tests_list.o testmessages.o
|
||||
|
||||
tests_list_mu: tests_list_mu.o
|
||||
$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -lcunit -o $@
|
||||
tests_list_mu.o
|
||||
$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -lcunit -o $@ tests_list_mu.o
|
||||
|
||||
tests_stub_async: tests_stub_async.o testmessages.o
|
||||
$(LIBTOOL) --tag=CC --mode=link $(CC) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -o $@ tests_stub_async.o testmessages.o
|
||||
|
|
|
|||
|
|
@ -38,6 +38,7 @@
|
|||
#include "getdns/getdns.h"
|
||||
#include <ldns/rbtree.h>
|
||||
#include "dict.h"
|
||||
#include "list.h"
|
||||
#include "util-internal.h"
|
||||
#include "types-internal.h"
|
||||
|
||||
|
|
@ -47,7 +48,7 @@
|
|||
* The list has to be in sorted order for bsearch lookup in function
|
||||
* validate_extensions.
|
||||
*/
|
||||
getdns_extension_format extformats[] = {
|
||||
static getdns_extension_format extformats[] = {
|
||||
{"add_opt_parameters", t_dict},
|
||||
{"add_warning_for_bad_dns", t_int},
|
||||
{"dnssec_return_only_secure", t_int},
|
||||
|
|
@ -59,6 +60,9 @@ getdns_extension_format extformats[] = {
|
|||
{"specify_class", t_int},
|
||||
};
|
||||
|
||||
static struct getdns_bindata IPv4_str_bindata = { 5, (void *)"IPv4" };
|
||||
static struct getdns_bindata IPv6_str_bindata = { 5, (void *)"IPv6" };
|
||||
|
||||
getdns_return_t
|
||||
getdns_dict_util_set_string(struct getdns_dict * dict, char *name, const char *value)
|
||||
{
|
||||
|
|
@ -336,23 +340,43 @@ create_list_from_rr_list(struct getdns_context *context, ldns_rr_list * rr_list)
|
|||
static getdns_return_t
|
||||
add_only_addresses(struct getdns_list * addrs, ldns_rr_list * rr_list)
|
||||
{
|
||||
int r = 0;
|
||||
int r = GETDNS_RETURN_GOOD;
|
||||
size_t i = 0;
|
||||
for (i = 0; i < ldns_rr_list_rr_count(rr_list); ++i) {
|
||||
size_t item_idx = 0;
|
||||
|
||||
r = getdns_list_get_length(addrs, &item_idx);
|
||||
for (i = 0; r == GETDNS_RETURN_GOOD &&
|
||||
i < ldns_rr_list_rr_count(rr_list); ++i) {
|
||||
ldns_rr *rr = ldns_rr_list_rr(rr_list, i);
|
||||
size_t j = 0;
|
||||
size_t rd_count = ldns_rr_rd_count(rr);
|
||||
for (j = 0; j < rd_count; ++j) {
|
||||
size_t item_idx = 0;
|
||||
for (j = 0; r == GETDNS_RETURN_GOOD && j < rd_count; ++j) {
|
||||
ldns_rdf *rdf = ldns_rr_rdf(rr, j);
|
||||
if (ldns_rdf_get_type(rdf) == LDNS_RDF_TYPE_A ||
|
||||
ldns_rdf_get_type(rdf) == LDNS_RDF_TYPE_AAAA) {
|
||||
if (ldns_rdf_get_type(rdf) != LDNS_RDF_TYPE_A &&
|
||||
ldns_rdf_get_type(rdf) != LDNS_RDF_TYPE_AAAA) {
|
||||
continue;
|
||||
}
|
||||
struct getdns_dict *this_address =
|
||||
getdns_dict_create_with_extended_memory_functions(
|
||||
addrs->mf.mf_arg,
|
||||
addrs->mf.mf.ext.malloc,
|
||||
addrs->mf.mf.ext.realloc,
|
||||
addrs->mf.mf.ext.free);
|
||||
if (this_address == NULL) {
|
||||
r |= GETDNS_RETURN_MEMORY_ERROR;
|
||||
break;
|
||||
}
|
||||
struct getdns_bindata rbin =
|
||||
{ ldns_rdf_size(rdf), ldns_rdf_data(rdf) };
|
||||
r |= getdns_list_add_item(addrs, &item_idx);
|
||||
r |= getdns_list_set_bindata(addrs, item_idx,
|
||||
&rbin);
|
||||
}
|
||||
r |= getdns_dict_set_bindata(this_address,
|
||||
GETDNS_STR_ADDRESS_TYPE,
|
||||
( ldns_rdf_get_type(rdf) == LDNS_RDF_TYPE_A
|
||||
? &IPv4_str_bindata : &IPv6_str_bindata));
|
||||
r |= getdns_dict_set_bindata(this_address,
|
||||
GETDNS_STR_ADDRESS_DATA, &rbin);
|
||||
r |= getdns_list_set_dict(addrs, item_idx++,
|
||||
this_address);
|
||||
getdns_dict_destroy(this_address);
|
||||
}
|
||||
}
|
||||
return r;
|
||||
|
|
|
|||
Loading…
Reference in New Issue