49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
--- netkit-telnet-0.17/telnet/commands.c.old 2006-04-30 10:24:49.000000000 -0700
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+++ netkit-telnet-0.17/telnet/commands.c 2006-04-30 10:37:10.000000000 -0700
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@@ -1669,9 +1669,15 @@
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/* If this is not the full name, try to get it via DNS */
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if (strchr(hbuf, '.') == 0) {
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- struct hostent *he = gethostbyname(hbuf);
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- if (he != 0)
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- strncpy(hbuf, he->h_name, sizeof hbuf-1);
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+ struct addrinfo hints;
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+ struct addrinfo *res;
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+ memset (&hints, '\0', sizeof (hints));
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+ hints.ai_flags = AI_V4MAPPED | AI_ADDRCONFIG | AI_CANONNAME;
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+ if (getaddrinfo (hbuf, NULL, &hints, &res) == 0) {
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+ if (res->ai_canonname != NULL)
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+ strncpy(hbuf, res->ai_canonname, sizeof hbuf-1);
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+ freeaddrinfo (res);
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+ }
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hbuf[sizeof hbuf-1] = '\0';
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}
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@@ -2832,17 +2838,15 @@
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if (!c)
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cp2 = 0;
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- if ((tmp = inet_addr(cp)) != -1) {
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- sin_addr.s_addr = tmp;
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- } else if ((host = gethostbyname(cp))) {
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-#if defined(h_addr)
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- memmove((caddr_t)&sin_addr,
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- host->h_addr_list[0],
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- sizeof(sin_addr));
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-#else
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- memmove((caddr_t)&sin_addr, host->h_addr,
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- sizeof(sin_addr));
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-#endif
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+ struct addrinfo hints;
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+ memset (&hints, '\0', sizeof (hints));
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+ // XXX The code here seems to allow only IPv4 addresses.
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+ hints.ai_family = AF_INET;
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+ hints.ai_flags = AI_ADDRCONFIG;
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+ struct addrinfo *aires;
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+ if (getaddrinfo (cp, NULL, &hints, &aires) == 0) {
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+ sin_addr = ((struct sockaddr_in *) aires->ai_addr)->sin_addr;
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+ freeaddrinfo (aires);
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} else {
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*cpp = cp;
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return(0);
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