65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
#include <dnswire/reader.h>
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include "print_dnstap.c"
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int main(int argc, const char* argv[])
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{
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if (argc < 2) {
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fprintf(stderr, "usage: reader <file>\n");
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return 1;
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}
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/*
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* First we open the given file and read all of the content.
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*/
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FILE* fp = fopen(argv[1], "r");
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if (!fp) {
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fprintf(stderr, "Unable to open %s: %s\n", argv[1], strerror(errno));
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return 1;
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}
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/*
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* We now initialize the reader and check that it can allocate the
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* buffers it needs.
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*/
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struct dnswire_reader reader;
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int done = 0;
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if (dnswire_reader_init(&reader) != dnswire_ok) {
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fprintf(stderr, "Unable to initialize dnswire reader\n");
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return 1;
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}
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/*
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* We now loop until we have a DNSTAP message, the stream was stopped
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* or we got an error.
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*/
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while (!done) {
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switch (dnswire_reader_fread(&reader, fp)) {
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case dnswire_have_dnstap:
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print_dnstap(dnswire_reader_dnstap(reader));
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break;
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case dnswire_again:
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case dnswire_need_more:
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break;
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case dnswire_endofdata:
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done = 1;
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break;
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default:
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fprintf(stderr, "dnswire_reader_fread() error\n");
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done = 1;
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}
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}
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dnswire_reader_destroy(reader);
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fclose(fp);
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return 0;
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}
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