static logline *readline(FILE *inf, adns_state adns, int opts) { static char buf[MAXLINE]; char *str; logline *line; if (fgets(buf, MAXLINE, inf)) { str= malloc(sizeof(*line) + strlen(buf) + 1); if (!str) aargh("malloc"); line= (logline*)str; line->next= NULL; line->start= str+sizeof(logline); line->is_v6 = 0; *line->fullip = 0; strcpy(line->start, buf); str= ipaddr2domain(line->start, &line->addr, &line->rest, line->fullip, &line->is_v6, opts); if (opts & OPT_DEBUG) msg("submitting %.*s -> %s", (int)(line->rest-line->addr), guard_null(line->addr), str); /* Note: ADNS does not yet support "ptr" for IPv6. */ if (adns_submit(adns, str, line->is_v6? adns_r_ptr_raw : adns_r_ptr, adns_qf_quoteok_cname|adns_qf_cname_loose, NULL, &line->query)) aargh("adns_submit"); return line; } if (!feof(inf)) aargh("fgets"); return NULL; }
int main(int argc, char *argv[]) { adns_state adns; adns_query query; adns_answer *answer; progname= strrchr(*argv, '/'); if (progname) progname++; else progname= *argv; if (argc != 2) { fprintf(stderr, "usage: %s <domain>\n", progname); exit(1); } errno= adns_init(&adns, adns_if_debug, 0); if (errno) aargh("adns_init"); errno= adns_submit(adns, argv[1], adns_r_ptr, adns_qf_quoteok_cname|adns_qf_cname_loose, NULL, &query); if (errno) aargh("adns_submit"); errno= adns_wait(adns, &query, &answer, NULL); if (errno) aargh("adns_init"); printf("%s\n", answer->status == adns_s_ok ? *answer->rrs.str : "dunno"); adns_finish(adns); return 0; }
static logline *readline(FILE *inf, adns_state adns, int opts) { static char buf[MAXLINE]; char *str; logline *line; if (fgets(buf, MAXLINE, inf)) { str= malloc(sizeof(*line) + strlen(buf) + 1); if (!str) aargh("malloc"); line= (logline*)str; line->next= NULL; line->start= str+sizeof(logline); strcpy(line->start, buf); str= ipaddr2domain(line->start, &line->addr, &line->rest); if (opts & OPT_DEBUG) msg("submitting %.*s -> %s", line->rest-line->addr, guard_null(line->addr), str); if (adns_submit(adns, str, adns_r_ptr, adns_qf_quoteok_cname|adns_qf_cname_loose, NULL, &line->query)) aargh("adns_submit"); return line; } if (!feof(inf)) aargh("fgets"); return NULL; }
static logline *readline(FILE *inf, adns_state adns, int opts) { static char buf[MAXLINE]; char *str, *p, *q, *r; logline *line; if (fgets(buf, MAXLINE, inf)) { str= malloc(sizeof(*line) + strlen(buf) + 1); if (!str) aargh("malloc"); line= (logline*)str; line->next= NULL; line->start= str+sizeof(logline); strcpy(line->start, buf); line->name= line->rest= line->addr= NULL; /* look for unverifiable HELO information matching the regex H=[a-z0-9.- ]*[(][a-z0-9.-]*[)] [[][0-9.]*[]] */ for (p= strchr(line->start, ' '); p; p= strchr(p+1, ' ')) { if (!strncmp(p, " H=", 3)) { r= strchr(p, '['); if (!r) break; q= strchr(p, ')'); if (!q || q>r) break; p= strchr(p, '('); if (!p || p>q) break; line->name= p+1; line->rest= q; line->addr= r+1; break; } } if (line->name) { *line->rest= '\0'; if (opts & OPT_DEBUG) msg("submitting %s", line->name); if (adns_submit(adns, line->name, adns_r_a, adns_qf_quoteok_query|adns_qf_quoteok_cname|adns_qf_cname_loose, NULL, &line->query)) aargh("adns_submit"); *line->rest= ')'; } else { if (opts & OPT_DEBUG) msg("no query"); line->query= NULL; } return line; } if (!feof(inf)) aargh("fgets"); return NULL; }
static void printline(FILE *outf, char *start, char *addr, char *rest, char *domain) { if (domain) fprintf(outf, "%.*s%s%s", (int)(addr - start), start, domain, rest); else fputs(start, outf); if (ferror(outf)) aargh("write output"); }
static void proclog(FILE *inf, FILE *outf, int maxpending, int opts) { int eof, err, len; adns_state adns; adns_answer *answer; logline *head, *tail, *line; adns_initflags initflags; initflags= (opts & OPT_DEBUG) ? adns_if_debug : 0; if (config_text) { errno= adns_init_strcfg(&adns, initflags, stderr, config_text); } else { errno= adns_init(&adns, initflags, 0); } if (errno) aargh("adns_init"); head= tail= readline(inf, adns, opts); len= 1; eof= 0; while (head) { while (head) { if (opts & OPT_DEBUG) msg("%d in queue; checking %.*s", len, (int)(head->rest-head->addr), guard_null(head->addr)); if (eof || len >= maxpending) { if (opts & OPT_POLL) err= adns_wait_poll(adns, &head->query, &answer, NULL); else err= adns_wait(adns, &head->query, &answer, NULL); } else { err= adns_check(adns, &head->query, &answer, NULL); } if (err == EAGAIN) break; if (err) { fprintf(stderr, "%s: adns_wait/check: %s", progname, strerror(err)); exit(1); } printline(outf, head->start, head->addr, head->rest, answer->status == adns_s_ok ? *answer->rrs.str : NULL, head->fullip, head->is_v6, opts); line= head; head= head->next; free(line); free(answer); len--; } if (!eof) { line= readline(inf, adns, opts); if (line) { if (!head) head= line; else tail->next= line; tail= line; len++; } else { eof= 1; } } } adns_finish(adns); }
static void printline(FILE *outf, char *start, char *addr, char *rest, const char *domain, const char *fullip, int is_v6, int opts) { int append_null = 0; if ((opts & OPT_PRIVACY) && !domain && *fullip) { domain = fullip; append_null = 1; } if (domain) { const char *p; p = append_null? ".null" : strrchr (domain, '.'); if ((opts & OPT_PRIVACY) && p && p[1]) { unsigned char hash[20]; int i; rmd160_hash_buffer (hash, domain, strlen (domain)); fprintf (outf, "%.*sp", (int)(addr - start), start); for (i=0; i < 4; i++) fprintf (outf, "%02x", hash[i]); fprintf(outf, "%c%s%s", is_v6? '6':'4', p, rest); } else fprintf(outf, "%.*s%s%s", (int)(addr - start), start, domain, rest); } else fputs(start, outf); if (ferror(outf)) aargh("write output"); }
int main(int argc, char *argv[]) { int c, opts, maxpending; extern char *optarg; FILE *inf; if (argv[1] && !strncmp(argv[1],"--",2)) { if (!strcmp(argv[1],"--help")) { printhelp(stdout); } else if (!strcmp(argv[1],"--version")) { fputs(VERSION_MESSAGE("adnslogres"),stdout); } else { usage(); } if (ferror(stdout) || fclose(stdout)) { perror("stdout"); exit(1); } exit(0); } maxpending= DEFMAXPENDING; opts= 0; while ((c= getopt(argc, argv, "c:C:dxfpPS:")) != -1) switch (c) { case 'c': maxpending= atoi(optarg); if (maxpending < 1 || maxpending > MAXMAXPENDING) { fprintf(stderr, "%s: unfeasible concurrency %d\n", progname, maxpending); exit(1); } break; case 'C': config_text= optarg; break; case 'd': opts|= OPT_DEBUG; break; case 'x': opts|= OPT_VHOST; break; case 'f': opts|= OPT_FTP; break; case 'P': opts|= OPT_PRIVACY; break; case 'S': salt = optarg; break; default: usage(); } argc-= optind; argv+= optind; inf= NULL; if (argc == 0) inf= stdin; else if (argc == 1) inf= fopen(*argv, "r"); else usage(); if (!inf) aargh("couldn't open input"); proclog(inf, stdout, maxpending, opts); if (fclose(inf)) aargh("fclose input"); if (fclose(stdout)) aargh("fclose output"); return 0; }
static void proclog(FILE *inf, FILE *outf, int maxpending, int opts) { int eof, err, len; adns_state adns; adns_answer *answer; logline *head, *tail, *line; adns_initflags initflags; initflags= (opts & OPT_DEBUG) ? adns_if_debug : 0; if (config_text) { errno= adns_init_strcfg(&adns, initflags, stderr, config_text); } else { errno= adns_init(&adns, initflags, 0); } if (errno) aargh("adns_init"); head= tail= readline(inf, adns, opts); len= 1; eof= 0; while (head) { while (head) { if (head->query) { if (opts & OPT_DEBUG) msg("%d in queue; checking %.*s", len, (int)(head->rest-head->name), guard_null(head->name)); if (eof || len >= maxpending) { if (opts & OPT_POLL) err= adns_wait_poll(adns, &head->query, &answer, NULL); else err= adns_wait(adns, &head->query, &answer, NULL); } else { err= adns_check(adns, &head->query, &answer, NULL); } if (err == EAGAIN) break; if (err) { fprintf(stderr, "%s: adns_wait/check: %s", progname, strerror(err)); exit(1); } if (answer->status == adns_s_ok) { const char *addr; int ok = 0; fprintf(outf, "%.*s", (int)(head->rest-head->start), head->start); while(answer->nrrs--) { addr= inet_ntoa(answer->rrs.inaddr[answer->nrrs]); ok |= !strncmp(addr, head->addr, strlen(addr)); fprintf(outf, " [%s]", addr); } fprintf(outf, "%s%s", ok ? " OK" : "", head->rest); } else { if (opts & OPT_DEBUG) msg("query failed"); fputs(head->start, outf); } free(answer); len--; } else { if (opts & OPT_DEBUG) msg("%d in queue; no query on this line", len); fputs(head->start, outf); } line= head; head= head->next; free(line); } if (!eof) { line= readline(inf, adns, opts); if (line) { if (!head) head= line; else tail->next= line; tail= line; if (line->query) len++; } else { eof= 1; } } } adns_finish(adns); }