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Implement recursive IP address searches based on the results of a

Browse source 
query to ARIN.

PR:		28426
Submitted by:	Mike Barcroft <mike@q9media.com>
This commit is contained in:
Dima Dorfman 2001-06-27 23:06:47 +00:00
parent 54b442b0fa
commit 40682bea9a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=78900
2 changed files with 29 additions and 8 deletions
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9
usr.bin/whois/whois.1
View file

@ -91,6 +91,15 @@ In the event that an IP
address is specified, the whois server will default to the American
Registry for Internet Numbers
.Pq Tn ARIN .
If a query to
.Tn ARIN
references
.Tn APNIC
or
.Tn RIPE ,
that server will be queried also, provided that the
.Fl Q
option is not specified.
.Pp
If no required
.Pa whois-servers.net

28
usr.bin/whois/whois.c
View file

@ -77,6 +77,8 @@ static const char rcsid[] =
#define WHOIS_INIC_FALLBACK 0x02
#define WHOIS_QUICK 0x04
const char *ip_whois[] = { RNICHOST, PNICHOST, NULL };
static void usage(void);
static void whois(char *, struct addrinfo *, int);
@ -208,7 +210,7 @@ whois(char *name, struct addrinfo *res, int flags)
FILE *sfi, *sfo;
struct addrinfo hints, *res2;
char *buf, *nhost, *p;
int nomatch, error, s;
int i, nomatch, error, s;
size_t len;
for (; res; res = res->ai_next) {
@ -234,13 +236,23 @@ whois(char *name, struct addrinfo *res, int flags)
while (len && isspace(buf[len - 1]))
buf[--len] = '\0';
if ((flags & WHOIS_RECURSE) && nhost == NULL &&
(p = strstr(buf, WHOIS_SERVER_ID)) != NULL) {
p += sizeof(WHOIS_SERVER_ID) - 1;
if ((len = strcspn(p, " \t\n\r")) != 0) {
asprintf(&nhost, "%s", p);
if (nhost == NULL)
err(1, "asprintf()");
if ((flags & WHOIS_RECURSE) && nhost == NULL) {
p = strstr(buf, WHOIS_SERVER_ID);
if (p != NULL) {
p += sizeof(WHOIS_SERVER_ID) - 1;
if ((len = strcspn(p, " \t\n\r")) != 0) {
asprintf(&nhost, "%s", p);
if (nhost == NULL)
err(1, "asprintf()");
}
} else {
for (i = 0; ip_whois[i] != NULL; i++) {
if (strstr(buf, ip_whois[i]) == NULL)
continue;
nhost = strdup(ip_whois[i]);
if (nhost == NULL)
err(1, "strdup()");
}
}
}