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89 lines
2.9 KiB
89 lines
2.9 KiB
3 years ago
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diff -up tcp_wrappers_7.6/hosts_ctl.c.patch17 tcp_wrappers_7.6/hosts_ctl.c
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--- tcp_wrappers_7.6/hosts_ctl.c.patch17 1994-12-28 17:42:28.000000000 +0100
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+++ tcp_wrappers_7.6/hosts_ctl.c 2008-08-29 09:45:12.000000000 +0200
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@@ -29,10 +29,12 @@ char *user;
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{
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struct request_info request;
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- return (hosts_access(request_init(&request,
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- RQ_DAEMON, daemon,
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- RQ_CLIENT_NAME, name,
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- RQ_CLIENT_ADDR, addr,
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- RQ_USER, user,
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- 0)));
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+ request_init(&request, RQ_DAEMON, daemon,
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+ RQ_CLIENT_NAME, name,
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+ RQ_CLIENT_ADDR, addr,
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+ RQ_USER, user,
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+ 0);
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+ sock_hostnofd(&request);
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+
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+ return (hosts_access(&request));
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}
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diff -up tcp_wrappers_7.6/socket.c.patch17 tcp_wrappers_7.6/socket.c
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--- tcp_wrappers_7.6/socket.c.patch17 2008-08-29 09:45:12.000000000 +0200
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+++ tcp_wrappers_7.6/socket.c 2008-08-29 09:45:12.000000000 +0200
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@@ -130,6 +130,51 @@ struct request_info *request;
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request->server->sin = &server;
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}
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+/* sock_hostnofd - look up endpoint addresses and install conversion methods */
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+
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+void sock_hostnofd(request)
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+struct request_info *request;
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+{
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+ static struct sockaddr_storage client;
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+ struct addrinfo hints, *res;
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+ int ret;
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+ char *host;
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+
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+ /* If the address field is non-empty and non-unknown and if the hostname
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+ * field is empty or unknown, use the address field to get the sockaddr
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+ * and hostname. */
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+ if (strlen(request->client->addr) &&
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+ HOSTNAME_KNOWN(request->client->addr) &&
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+ (!strlen(request->client->name) ||
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+ !HOSTNAME_KNOWN(request->client->name)))
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+ host = request->client->addr;
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+ else
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+ return;
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+
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+ memset(&hints, 0, sizeof(hints));
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+ hints.ai_family = AF_INET6;
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+ hints.ai_socktype = SOCK_STREAM;
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+ hints.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
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+
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+ ret = getaddrinfo(host, NULL, &hints, &res);
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+ if (ret != 0) {
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+ hints.ai_family = AF_INET;
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+ ret = getaddrinfo(host, NULL, &hints, &res);
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+ }
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+
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+ if (ret != 0) {
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+ tcpd_warn("can't resolve hostname (%s): %s", host, gai_strerror(ret));
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+ } else {
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+ sock_methods(request);
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+
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+ memcpy(&client, res->ai_addr, res->ai_addrlen);
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+ request->client->sin = (struct sockaddr *)&client;
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+ freeaddrinfo(res);
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+
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+ request->client->name[0] = 0;
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+ }
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+}
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+
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/* sock_hostaddr - map endpoint address to printable form */
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void sock_hostaddr(host)
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diff -up tcp_wrappers_7.6/tcpd.h.patch17 tcp_wrappers_7.6/tcpd.h
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--- tcp_wrappers_7.6/tcpd.h.patch17 2008-08-29 09:45:12.000000000 +0200
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+++ tcp_wrappers_7.6/tcpd.h 2008-08-29 09:45:12.000000000 +0200
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@@ -167,6 +167,7 @@ extern char *eval_server __P((struct req
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/* look up endpoint addresses */
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extern void sock_host __P((struct request_info *));
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+extern void sock_hostnofd __P((struct request_info *));
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/* translate address to hostname */
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extern void sock_hostname __P((struct host_info *));
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/* address to printable address */
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