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61 lines
2.3 KiB
61 lines
2.3 KiB
6 years ago
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diff -up netkit-rsh-0.17/rshd/rshd.c.dns netkit-rsh-0.17/rshd/rshd.c
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--- netkit-rsh-0.17/rshd/rshd.c.dns 2007-09-27 11:05:26.000000000 +0200
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+++ netkit-rsh-0.17/rshd/rshd.c 2007-09-27 11:16:54.000000000 +0200
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@@ -294,6 +294,7 @@ static const char *findhostname(struct s
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char remote_hostname[NI_MAXHOST];
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struct addrinfo hints;
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struct addrinfo *res0, *res;
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+ int err;
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if (! inet_ntop(fromp->sa_family,
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(( fromp->sa_family == AF_INET6 )
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@@ -305,12 +306,16 @@ static const char *findhostname(struct s
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exit(1);
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}
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- if (getnameinfo(fromp, fromlen, remote_hostname, NI_MAXHOST,
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- NULL, 0, 0)) {
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- syslog(LOG_NOTICE|LOG_AUTH,
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- "Failed to retrieve the hostname information for %s",
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- remote_address);
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- exit(1);
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+ err = getnameinfo(fromp, fromlen, remote_hostname, NI_MAXHOST,
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+ NULL, 0, 0);
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+ if (err && (err == EAI_AGAIN) && !check_all)
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+ err = getnameinfo (fromp, fromlen, remote_hostname, NI_MAXHOST,
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+ NULL, 0, NI_NUMERICHOST);
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+ if (err) {
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+ syslog(LOG_NOTICE|LOG_AUTH,
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+ "Failed to retrieve the hostname information for %s",
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+ remote_address);
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+ exit(1);
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}
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errno = ENOMEM; /* malloc (thus strdup) may not set it */
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@@ -586,6 +591,11 @@ static void network_init(int fd,
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error = getnameinfo((struct sockaddr *)fromp, *fromlenp,
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hostname, sizeof(hostname), portname, sizeof(portname),
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NI_NUMERICSERV);
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+ if (error && (error == EAI_AGAIN) && !check_all)
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+ error = getnameinfo ((struct sockaddr *)fromp, *fromlenp,
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+ hostname, sizeof(hostname), portname,
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+ sizeof(portname),
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+ NI_NUMERICSERV|NI_NUMERICHOST);
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if (error) {
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syslog(LOG_NOTICE|LOG_AUTH,
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"Failed to retrieve address and port of the connection: %s",
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diff -up netkit-rsh-0.17/rlogind/network.c.dns netkit-rsh-0.17/rlogind/network.c
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--- netkit-rsh-0.17/rlogind/network.c.dns 2007-09-27 11:17:07.000000000 +0200
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+++ netkit-rsh-0.17/rlogind/network.c 2007-09-27 11:20:29.000000000 +0200
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@@ -127,6 +127,10 @@ find_hostname(struct sockaddr *fromp, so
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error = getnameinfo(fromp, fromlen,
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hname_buf, sizeof(hname_buf), portname, NI_MAXSERV,
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NI_NUMERICSERV);
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+ if ((error == EAI_AGAIN) && !check_all)
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+ error = getnameinfo(fromp, fromlen,
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+ hname_buf, sizeof(hname_buf), portname, NI_MAXSERV,
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+ NI_NUMERICSERV|NI_NUMERICHOST);
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assert(error == 0);
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if (check_all || local_domain(hname_buf)) {
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