Date: Mon, 18 Dec 2000 17:40:02 -0800 (PST) From: Phil Homewood <pdh@bit.net.au> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/23635: [PATCH] whois enhancement - smarter whois-servers.net lookups Message-ID: <200012190140.eBJ1e2997955@freefall.freebsd.org>
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The following reply was made to PR bin/23635; it has been noted by GNATS.
From: Phil Homewood <pdh@bit.net.au>
To: gnats-admin@FreeBSD.org, freebsd-bugs@FreeBSD.org
Cc:
Subject: Re: bin/23635: [PATCH] whois enhancement - smarter whois-servers.net lookups
Date: Tue, 19 Dec 2000 11:17:59 +1000
I said:
> It also fixes a minor annoyance in that "whois example.com." fails.
Oops, that version doesn't. This one does.
Please supersede my previous patch with this one.
--- usr.bin/whois/whois.c.orig Sat Jul 15 17:29:31 2000
+++ usr.bin/whois/whois.c Tue Dec 19 11:14:33 2000
@@ -84,6 +84,7 @@
{
int ch, i, j, error;
int use_qnichost, flags;
+ int found = 0;
char *host;
char *qnichost;
struct addrinfo hints, *res;
@@ -160,29 +161,43 @@
free(qnichost);
qnichost = NULL;
}
- for (i = j = 0; (*argv)[i]; i++) {
- if ((*argv)[i] == '.') {
- j = i;
- }
+ for (i = 0; (*argv)[i]; i++);
+ if (i <= 1) {
+ errx(EX_NOHOST,
+ "Can't search for the null string.");
}
- if (j != 0) {
- qnichost = (char *) calloc(i - j + 1 +
- strlen(QNICHOST_TAIL), sizeof(char));
- if (!qnichost) {
- err(1, "calloc");
+ if ((*argv)[i - 1] == '.') i--;
+ for (j = 0; (*argv)[j]; j++) {
+ if (((*argv)[j] == '.') && !found) {
+ qnichost = (char *) calloc(i - j + 1 +
+ strlen(QNICHOST_TAIL),
+ sizeof(char));
+ if (!qnichost) {
+ err(1, "calloc");
+ }
+ strncpy(qnichost, *argv + j + 1,
+ i - j - 1);
+ strcat(qnichost, QNICHOST_TAIL);
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_flags = 0;
+ hints.ai_family = AF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ error = getaddrinfo(qnichost, "whois",
+ &hints, &res);
+ if (error == 0) {
+ found = 1;
+ } else {
+ free(qnichost);
+ qnichost = NULL;
+ }
}
- strcpy(qnichost, *argv + j + 1);
- strcat(qnichost, QNICHOST_TAIL);
- memset(&hints, 0, sizeof(hints));
- hints.ai_flags = 0;
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = SOCK_STREAM;
- error = getaddrinfo(qnichost, "whois",
- &hints, &res);
- if (error != 0)
- errx(EX_NOHOST, "%s: %s", qnichost,
- gai_strerror(error));
+ }
+ if (!found) {
+ errx(EX_NOHOST,
+ "Cannot locate whois server for %s",
+ *argv);
}
}
if (!qnichost) {
--
Phil Homewood pdh@asiaonline.net
Senior Technician +61 7 3620 1930
Asia Online (Queensland) http://www.asiaonline.net/
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