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telnet: new addon

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This commit is contained in:
Daniel Weismueller
2012-08-09 16:59:31 +02:00
parent 19b630e4ca
commit b52f6eb2bd
18 changed files with 2967 additions and 0 deletions
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43
src/patches/netkit-telnet-0.17-nodns.patch Normal file
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@@ -0,0 +1,43 @@
--- netkit-telnet-0.17.orig/telnetd/telnetd.c 2007-03-13 16:31:20.000000000 +0000
+++ netkit-telnet-0.17.orig/telnetd/telnetd.c 2007-03-13 16:31:26.000000000 +0000
@@ -653,6 +653,11 @@ doit(struct sockaddr *who, socklen_t who
error = getnameinfo(who, wholen, namebuf, sizeof(namebuf), NULL, 0, 0);
+ /* if we can't get a hostname now, settle for an address */
+ if(error == EAI_AGAIN)
+ error = getnameinfo(who, wholen, namebuf, sizeof(namebuf),
+ NULL, 0, NI_NUMERICHOST);
+
if (error) {
perror("getnameinfo: localhost");
perror(gai_strerror(error));
@@ -681,7 +686,7 @@ doit(struct sockaddr *who, socklen_t who
/* Get local host name */
{
struct addrinfo hints;
- struct addrinfo *res;
+ struct addrinfo *res = 0;
int e;
memset(&hints, '\0', sizeof(hints));
@@ -690,11 +695,14 @@ doit(struct sockaddr *who, socklen_t who
gethostname(host_name, sizeof(host_name));
if ((e = getaddrinfo(host_name, NULL, &hints, &res)) != 0) {
- perror("getaddrinfo: localhost");
- perror(gai_strerror(e));
- exit(1);
+ if(e != EAI_AGAIN) {
+ fprintf(stderr, "getaddrinfo: localhost %s\n",
+ gai_strerror(e));
+ exit(1);
+ }
}
- freeaddrinfo(res);
+ if(res)
+ freeaddrinfo(res);
}
#if defined(AUTHENTICATE) || defined(ENCRYPT)