89 lines
1.7 KiB
C
89 lines
1.7 KiB
C
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#define _GNU_SOURCE
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#include "config.h"
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#include <ldns/ldns.h>
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#define SEQUENCE 1
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#define QUERY 2
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#define ANSWER1 3
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#define ANSWER2 0
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#define LINES 4
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#ifndef HAVE_GETDELIM
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ssize_t getdelim(char **lineptr, size_t *n, int delim, FILE *stream);
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#endif
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void
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printf_bar(void)
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{
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fprintf(stdout, "===================================================================\n");
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}
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int
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main(int argc, char **argv)
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{
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ssize_t read;
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char *line;
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size_t i, j, k, len;
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u_char pkt_buf[LDNS_MAX_PACKETLEN];
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ldns_pkt *p;
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ldns_status s;
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FILE *diff = stdin;
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i = 1;
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len = 0;
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line = NULL;
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if (argc > 1) {
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if (!(diff = fopen(argv[1], "r"))) {
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fprintf(stderr, "Cannot open pcat diff file `%s\'\n", argv[1]);
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exit(EXIT_FAILURE);
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}
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}
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while((read = getdelim(&line, &len, '\n', diff)) != -1) {
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if (read < 2 || read > LDNS_MAX_PACKETLEN) {
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if(read == 1)
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fprintf(stdout, "NO ANSWER (line %d)\n", (int)i);
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else
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fprintf(stdout, "Under- or overflow (%d) - "
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"skipping line %d\n", (int)read, (int)i);
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i++;
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printf_bar();
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continue;
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}
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line[read - 1] = '\0';
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switch(i % LINES) {
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case SEQUENCE:
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printf_bar();
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fprintf(stdout, "Index: %s\n", line);
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printf_bar();
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break;
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case QUERY:
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case ANSWER1:
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case ANSWER2:
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k = 0;
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for(j = 0; j < read - 1; j += 2) {
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pkt_buf[k] =
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ldns_hexdigit_to_int(line[j]) * 16 +
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ldns_hexdigit_to_int(line[j + 1]);
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k++;
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}
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s = ldns_wire2pkt(&p, pkt_buf, k);
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fprintf(stdout, "=* %s\n", line);
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if (s != LDNS_STATUS_OK) {
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fprintf(stdout, "%s\n", ldns_get_errorstr_by_id(s));
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} else {
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ldns_pkt_print(stdout, p);
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}
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printf_bar();
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break;
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}
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i++;
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len = 0;
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}
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return 0;
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}
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