diff options
Diffstat (limited to 'contrib/bind/bin/dnsquery/dnsquery.c')
| -rw-r--r-- | contrib/bind/bin/dnsquery/dnsquery.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/contrib/bind/bin/dnsquery/dnsquery.c b/contrib/bind/bin/dnsquery/dnsquery.c index 218c8a8..31d5d62 100644 --- a/contrib/bind/bin/dnsquery/dnsquery.c +++ b/contrib/bind/bin/dnsquery/dnsquery.c @@ -80,7 +80,12 @@ main(int argc, char *argv[]) { case 'p' : res.retrans = atoi(optarg); break; - case 'h' : strcpy(name, optarg); + case 'h' : if (strlen(optarg) >= sizeof(name)) { + fprintf(stderr, + "Domain name too long (%s)\n", optarg); + exit(-1); + } else + strcpy(name, optarg); break; case 'c' : { @@ -158,7 +163,12 @@ main(int argc, char *argv[]) { } } if (optind < argc) - strcpy(name, argv[optind]); + if (strlen(argv[optind]) >= sizeof(name)) { + fprintf(stderr, + "Domain name too long (%s)\n", argv[optind]); + exit(-1); + } else + strcpy(name, argv[optind]); len = sizeof(answer); |
